/* ═══════════════════════════════════════════════════════════════
   DESIGN SYSTEM — Architectural Blueprint Aesthetic
   Dark Mode (default) · Light Mode (parchment blueprint)
═══════════════════════════════════════════════════════════════ */

/* ── Palette constants ── */
:root {
  --gold-500: #c9962a;
  --gold-400: #d9aa3f;
  --gold-300: #e8c060;
  --gold-200: #f0d080;
  --ff-display: 'DM Serif Display', Georgia, serif;
  --ff-ui: 'Syne', sans-serif;
  --ff-mono: 'JetBrains Mono', monospace;
  --theme-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ════════════════════════════════════════
   DARK MODE (default)
════════════════════════════════════════ */
:root, [data-theme="dark"] {
  --cyan-400: #38bdf8;
  --cyan-300: #7dd3fc;
  --bg-base:        #020b18;
  --bg-surface:     #040f1f;
  --bg-elevated:    #071529;
  --bg-overlay:     rgba(4,15,31,0.72);
  --bg-overlay-lt:  rgba(7,21,41,0.60);
  --bg-input:       rgba(2,11,24,0.80);
  --bg-input-focus: rgba(4,15,31,0.90);
  --bg-card:        rgba(2,11,24,0.60);
  --bg-header:      rgba(2,11,24,0.90);
  --bg-loading:     rgba(2,11,24,0.92);
  --bg-toast:       rgba(4,15,31,0.95);
  --bg-footer:      rgba(2,11,24,0.50);
  --bg-grid-major:  rgba(56,189,248,0.03);
  --bg-grid-minor:  rgba(56,189,248,0.015);
  --text-primary:   #ffffff;
  --text-secondary: #e2e8f0;
  --text-body:      #cbd5e1;
  --text-muted:     #94a3b8;
  --text-faint:     #64748b;
  --text-veryfaint: #475569;
  --border-subtle:  rgba(56,189,248,0.10);
  --border-mid:     rgba(56,189,248,0.22);
  --border-gold:    rgba(201,150,42,0.20);
  --border-focus:   rgba(56,189,248,0.40);
  --shadow-card:    0 4px 24px rgba(0,0,0,0.40);
  --shadow-hover:   0 8px 40px rgba(0,0,0,0.55);
  --shadow-gold:    0 0 40px rgba(201,150,42,0.35);
  --shadow-btn:     0 4px 20px rgba(0,0,0,0.40);
  --ring-track:     rgba(7,21,41,0.80);
  --glow-cyan-1:    rgba(56,189,248,0.05);
  --glow-cyan-2:    rgba(56,189,248,0.04);
  --glow-gold:      rgba(201,150,42,0.06);
  --scrollbar-track:#040f1f;
  --scrollbar-thumb:#1a3a6b;
  --noise-opacity:  0.025;
  --corner-opacity: 0.40;
  --toggle-bg:      rgba(7,21,41,0.80);
  --toggle-border:  rgba(56,189,248,0.20);
  --toggle-hover:   rgba(56,189,248,0.10);
}

/* ════════════════════════════════════════
   LIGHT MODE — Parchment Blueprint
════════════════════════════════════════ */
[data-theme="light"] {
  --cyan-400: #1a7cc5;
  --cyan-300: #2d8fd8;
  --bg-base:        #f5f0e8;
  --bg-surface:     #ece7da;
  --bg-elevated:    #e0dace;
  --bg-overlay:     rgba(248,244,236,0.90);
  --bg-overlay-lt:  rgba(236,231,218,0.75);
  --bg-input:       rgba(255,252,245,0.92);
  --bg-input-focus: rgba(255,255,255,0.98);
  --bg-card:        rgba(255,252,245,0.70);
  --bg-header:      rgba(246,241,232,0.94);
  --bg-loading:     rgba(245,240,232,0.95);
  --bg-toast:       rgba(255,252,245,0.97);
  --bg-footer:      rgba(236,231,218,0.80);
  --bg-grid-major:  rgba(10,40,80,0.06);
  --bg-grid-minor:  rgba(10,40,80,0.025);
  --text-primary:   #0a1628;
  --text-secondary: #12243e;
  --text-body:      #1c3050;
  --text-muted:     #3a5070;
  --text-faint:     #587090;
  --text-veryfaint: #7890a8;
  --border-subtle:  rgba(10,40,80,0.12);
  --border-mid:     rgba(10,40,80,0.25);
  --border-gold:    rgba(180,120,20,0.28);
  --border-focus:   rgba(10,40,80,0.42);
  --shadow-card:    0 2px 16px rgba(10,40,80,0.09);
  --shadow-hover:   0 6px 28px rgba(10,40,80,0.16);
  --shadow-gold:    0 0 30px rgba(201,150,42,0.22);
  --shadow-btn:     0 4px 14px rgba(10,40,80,0.18);
  --ring-track:     rgba(10,40,80,0.10);
  --glow-cyan-1:    rgba(10,40,80,0.04);
  --glow-cyan-2:    rgba(10,40,80,0.025);
  --glow-gold:      rgba(201,150,42,0.07);
  --scrollbar-track:#ece7da;
  --scrollbar-thumb:#a0b4c8;
  --noise-opacity:  0.018;
  --corner-opacity: 0.32;
  --toggle-bg:      rgba(10,40,80,0.06);
  --toggle-border:  rgba(10,40,80,0.18);
  --toggle-hover:   rgba(10,40,80,0.12);
}

/* ════════════════════════════════════════
   GLOBAL RESET & BASE
════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--ff-ui);
  background: var(--bg-base);
  color: var(--text-body);
  min-height: 100vh;
  overflow-x: hidden;
  cursor: crosshair;
  transition: background var(--theme-transition), color var(--theme-transition);
}

body::after {
  content: '';
  position: fixed;
  width: 6px; height: 6px;
  background: var(--gold-300);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%,-50%);
  top: var(--cy, -20px); left: var(--cx, -20px);
  transition: top 0.05s, left 0.05s;
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 2px; }

/* ════════════════════════════════════════
   THEME TOGGLE BUTTON
════════════════════════════════════════ */
.theme-toggle {
  position: relative;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--toggle-bg);
  border: 1px solid var(--toggle-border);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  margin-left: 0.75rem;
  flex-shrink: 0;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  overflow: hidden;
}
.theme-toggle:hover {
  background: var(--toggle-hover);
  box-shadow: 0 0 18px rgba(201,150,42,0.28);
  transform: scale(1.08);
}
.theme-toggle:active { transform: scale(0.94); }

.theme-toggle svg {
  position: absolute;
  width: 17px; height: 17px;
  transition: opacity 0.3s, transform 0.4s cubic-bezier(0.34,1.56,0.64,1);
}
.icon-sun  { color: var(--gold-300); }
.icon-moon { color: var(--cyan-400); }

[data-theme="dark"] .icon-sun  { opacity: 0; transform: rotate(-90deg) scale(0.5); }
[data-theme="dark"] .icon-moon { opacity: 1; transform: rotate(0deg) scale(1); }
[data-theme="light"] .icon-sun  { opacity: 1; transform: rotate(0deg) scale(1); }
[data-theme="light"] .icon-moon { opacity: 0; transform: rotate(90deg) scale(0.5); }

.theme-toggle::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--ff-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  padding: 4px 8px;
  border-radius: 2px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 10;
}
.theme-toggle:hover::after { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ════════════════════════════════════════
   BLUEPRINT BACKGROUND
════════════════════════════════════════ */
.blueprint-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    linear-gradient(var(--bg-grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid-major) 1px, transparent 1px);
  background-size: 40px 40px;
  transition: background var(--theme-transition);
}
.blueprint-bg::after {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(var(--bg-grid-minor) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid-minor) 1px, transparent 1px);
  background-size: 8px 8px;
}

/* ════════════════════════════════════════
   NOISE OVERLAY
════════════════════════════════════════ */
.noise {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  opacity: var(--noise-opacity);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  transition: opacity var(--theme-transition);
}

/* ════════════════════════════════════════
   PAGE SYSTEM
════════════════════════════════════════ */
.page { display: none; position: relative; z-index: 2; }
.page.active { display: block; }

/* ════════════════════════════════════════
   HEADER
════════════════════════════════════════ */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 64px;
  display: flex; align-items: center;
  padding: 0 2.5rem;
  gap: 0;
  background: var(--bg-header);
  backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--theme-transition), border-color var(--theme-transition);
}
header::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-500), transparent);
  opacity: 0.4;
}

.logo-wrap {
  display: flex; align-items: center; gap: 12px;
  cursor: pointer; text-decoration: none; flex-shrink: 0;
  margin-right: auto;
  padding-right: 2rem;
}
.logo-mark { width: 34px; height: 34px; position: relative; display: flex; align-items: center; justify-content: center; }
.logo-mark svg { width: 34px; height: 34px; }
.logo-name {
  font-family: var(--ff-display);
  font-size: 1.15rem; letter-spacing: 0.02em;
  color: var(--text-primary); line-height: 1;
  transition: color var(--theme-transition);
}
.logo-name span { color: var(--gold-400); }
.logo-tag {
  font-family: var(--ff-mono);
  font-size: 0.6rem; color: var(--cyan-400);
  letter-spacing: 0.12em; text-transform: uppercase;
  margin-top: 2px;
  transition: color var(--theme-transition);
}

nav {
  display: flex; align-items: center; gap: 4px;
  padding-left: 1.5rem;
  border-left: 1px solid var(--border-subtle);
  margin-left: 0;
}
.nav-btn {
  position: relative;
  padding: 7px 16px;
  font-family: var(--ff-mono); font-size: 0.72rem;
  font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  background: transparent; border: none;
  cursor: pointer; transition: color 0.2s;
}
.nav-btn:hover { color: var(--text-secondary); }
.nav-btn.active { color: var(--gold-300); }
[data-theme="light"] .nav-btn.active { color: var(--gold-500); }
.nav-btn.active::after {
  content: '';
  position: absolute; bottom: -1px; left: 16px; right: 16px;
  height: 2px; background: var(--gold-400); border-radius: 1px;
}

.status-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #22c55e; box-shadow: 0 0 8px #22c55e;
  animation: blink 2.5s ease-in-out infinite;
  margin-left: 1.25rem;
  flex-shrink: 0;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* ════════════════════════════════════════
   HERO SECTION (Studio page)
════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 80px 0 60px;
  position: relative; overflow: hidden;
}
.hero-glow {
  position: absolute; border-radius: 50%;
  pointer-events: none; filter: blur(100px);
  transition: background var(--theme-transition);
}
.glow-1 { width: 600px; height: 600px; background: var(--glow-cyan-1); top: -200px; left: -150px; }
.glow-2 { width: 500px; height: 500px; background: var(--glow-gold); bottom: -100px; right: -100px; }
.glow-3 { width: 300px; height: 300px; background: var(--glow-cyan-2); top: 40%; left: 40%; }

.corner {
  position: absolute; width: 40px; height: 40px;
  pointer-events: none; opacity: var(--corner-opacity);
  transition: opacity var(--theme-transition);
}
.corner--tl { top: 80px; left: 0; border-top: 1px solid var(--gold-500); border-left: 1px solid var(--gold-500); }
.corner--tr { top: 80px; right: 0; border-top: 1px solid var(--gold-500); border-right: 1px solid var(--gold-500); }
.corner--bl { bottom: 0; left: 0; border-bottom: 1px solid var(--gold-500); border-left: 1px solid var(--gold-500); }
.corner--br { bottom: 0; right: 0; border-bottom: 1px solid var(--gold-500); border-right: 1px solid var(--gold-500); }

.hero-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 3rem;
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--ff-mono); font-size: 0.7rem;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--cyan-400); margin-bottom: 1.5rem;
  opacity: 0; animation: fadeUp 0.7s ease 0.1s forwards;
}
.eyebrow-line { width: 32px; height: 1px; background: var(--cyan-400); transition: background var(--theme-transition); }
.hero-h1 {
  font-family: var(--ff-display);
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  line-height: 1.08; letter-spacing: -0.01em;
  color: var(--text-primary); margin-bottom: 1.5rem;
  opacity: 0; animation: fadeUp 0.7s ease 0.2s forwards;
  transition: color var(--theme-transition);
}
.hero-h1 em { font-style: italic; color: var(--gold-300); }
[data-theme="light"] .hero-h1 em { color: var(--gold-500); }
.hero-h1 .line-2 { display: block; color: var(--text-body); font-size: 80%; }
.hero-sub {
  font-size: 1rem; line-height: 1.75; color: var(--text-muted); max-width: 460px;
  margin-bottom: 2.5rem;
  opacity: 0; animation: fadeUp 0.7s ease 0.3s forwards;
  transition: color var(--theme-transition);
}
.hero-stats {
  display: flex; gap: 2rem; margin-bottom: 2.5rem;
  opacity: 0; animation: fadeUp 0.7s ease 0.4s forwards;
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-num { font-family: var(--ff-display); font-size: 1.8rem; color: var(--text-primary); line-height: 1; transition: color var(--theme-transition); }
.stat-num span { color: var(--gold-400); }
.stat-label { font-family: var(--ff-mono); font-size: 0.65rem; color: var(--text-faint); letter-spacing: 0.1em; text-transform: uppercase; transition: color var(--theme-transition); }
.stat-divider { width: 1px; background: var(--border-subtle); transition: background var(--theme-transition); }
.hero-pills {
  display: flex; flex-wrap: wrap; gap: 8px;
  opacity: 0; animation: fadeUp 0.7s ease 0.5s forwards;
}
.pill-item {
  display: flex; align-items: center; gap: 6px; padding: 5px 12px;
  border: 1px solid var(--border-subtle); border-radius: 2px;
  font-family: var(--ff-mono); font-size: 0.68rem; letter-spacing: 0.06em;
  color: var(--text-muted); background: var(--bg-overlay-lt); transition: all 0.2s;
}
.pill-item:hover { border-color: var(--border-gold); color: var(--gold-400); }
[data-theme="light"] .pill-item:hover { color: var(--gold-500); }
.pill-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--cyan-400); transition: background var(--theme-transition); }
.hero-right { opacity: 0; animation: fadeUp 0.8s ease 0.35s forwards; }

/* ════════════════════════════════════════
   CONFIG PANEL
════════════════════════════════════════ */
.config-panel {
  background: var(--bg-overlay);
  backdrop-filter: blur(30px) saturate(180%);
  border: 1px solid var(--border-subtle);
  border-radius: 4px; position: relative; overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: background var(--theme-transition), border-color var(--theme-transition), box-shadow var(--theme-transition);
}
.config-panel::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--cyan-400), var(--gold-400), var(--cyan-400));
  opacity: 0.8;
}
.panel-header {
  padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border-subtle);
  display: flex; align-items: center; justify-content: space-between;
  transition: border-color var(--theme-transition);
}
.panel-title { font-family: var(--ff-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--cyan-400); transition: color var(--theme-transition); }
.panel-badge { font-family: var(--ff-mono); font-size: 0.6rem; padding: 3px 8px; background: rgba(201,150,42,0.12); border: 1px solid var(--border-gold); color: var(--gold-300); border-radius: 2px; letter-spacing: 0.08em; text-transform: uppercase; transition: all var(--theme-transition); }
[data-theme="light"] .panel-badge { color: var(--gold-500); }
.panel-body { padding: 1.5rem; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.field-full { margin-bottom: 1rem; }
.field-group { display: flex; flex-direction: column; gap: 6px; }
.field-label { font-family: var(--ff-mono); font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); display: flex; align-items: center; gap: 6px; transition: color var(--theme-transition); }
.field-label::before { content: '▸'; color: var(--cyan-400); opacity: 0.6; }
.field-select, .field-input {
  width: 100%; padding: 0.6rem 0.85rem;
  background: var(--bg-input); border: 1px solid var(--border-subtle); border-radius: 2px;
  color: var(--text-secondary); font-family: var(--ff-mono); font-size: 0.8rem;
  outline: none; cursor: pointer; transition: all 0.2s;
  -webkit-appearance: none; background-repeat: no-repeat;
  background-position: right 0.75rem center; padding-right: 2rem;
}
[data-theme="dark"] .field-select,
[data-theme="dark"] .field-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2338bdf8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
}
:root:not([data-theme="light"]) .field-select,
:root:not([data-theme="light"]) .field-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2338bdf8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
}
[data-theme="light"] .field-select,
[data-theme="light"] .field-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%231a7cc5' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
}
.field-select option { background: var(--bg-elevated); color: var(--text-secondary); }
.field-select:focus, .field-input:focus { border-color: var(--border-focus); box-shadow: 0 0 0 3px rgba(56,189,248,0.06); background-color: var(--bg-input-focus); }
[data-theme="light"] .field-select:focus, [data-theme="light"] .field-input:focus { box-shadow: 0 0 0 3px rgba(10,40,80,0.06); }
.field-select:hover { border-color: var(--border-mid); }

.facing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.facing-btn {
  padding: 0.55rem 0.25rem; background: var(--bg-input); border: 1px solid var(--border-subtle); border-radius: 2px;
  color: var(--text-muted); font-family: var(--ff-mono); font-size: 0.72rem;
  cursor: pointer; transition: all 0.2s; display: flex; flex-direction: column; align-items: center; gap: 3px; letter-spacing: 0.05em;
}
.facing-btn .dir-icon { font-size: 1rem; }
.facing-btn:hover { border-color: var(--border-focus); color: var(--cyan-400); }
.facing-btn.selected { background: rgba(56,189,248,0.08); border-color: rgba(56,189,248,0.50); color: var(--cyan-400); box-shadow: inset 0 0 20px rgba(56,189,248,0.05); }
[data-theme="light"] .facing-btn.selected { background: rgba(10,40,80,0.08); border-color: rgba(10,40,80,0.35); box-shadow: none; }

.btn-generate {
  width: 100%; padding: 0.9rem;
  background: linear-gradient(135deg, var(--gold-500) 0%, var(--gold-400) 50%, var(--gold-500) 100%);
  background-size: 200% 100%; border: none; border-radius: 2px; color: #0a0e16;
  font-family: var(--ff-mono); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  cursor: pointer; transition: all 0.4s; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center; gap: 10px;
}
.btn-generate::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent 60%); opacity: 0; transition: opacity 0.2s; }
.btn-generate:hover { background-position: 100% 0; box-shadow: var(--shadow-gold), var(--shadow-btn); transform: translateY(-1px); }
.btn-generate:hover::before { opacity: 1; }
.btn-generate:active { transform: translateY(0); }
.btn-generate.loading { opacity: 0.7; pointer-events: none; }
.btn-generate .btn-icon { font-size: 1rem; }

.panel-footer {
  padding: 0.75rem 1.5rem; border-top: 1px solid var(--border-subtle);
  display: flex; align-items: center; justify-content: space-between;
  transition: border-color var(--theme-transition);
}
.panel-footer-text { font-family: var(--ff-mono); font-size: 0.62rem; color: var(--text-veryfaint); letter-spacing: 0.06em; }
.api-status { display: flex; align-items: center; gap: 6px; font-family: var(--ff-mono); font-size: 0.62rem; color: var(--text-veryfaint); }
.api-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--text-veryfaint); transition: all 0.3s; }
.api-dot.connected { background: #22c55e; box-shadow: 0 0 6px #22c55e; }
.api-dot.error { background: #ef4444; box-shadow: 0 0 6px #ef4444; }
.api-dot.loading { background: var(--gold-400); animation: blink 0.8s infinite; }

/* ════════════════════════════════════════
   RESULTS SECTION
════════════════════════════════════════ */
.results-section { max-width: 1280px; margin: 0 auto; padding: 0 3rem 5rem; display: none; }
.results-section.visible { display: block; }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border-subtle); transition: border-color var(--theme-transition); }
.section-title { font-family: var(--ff-display); font-size: 1.6rem; color: var(--text-primary); transition: color var(--theme-transition); }
.section-meta { font-family: var(--ff-mono); font-size: 0.68rem; color: var(--text-faint); letter-spacing: 0.08em; }
.layout-tabs { display: flex; gap: 4px; margin-bottom: 1.5rem; border-bottom: 1px solid var(--border-subtle); transition: border-color var(--theme-transition); }
.layout-tab { padding: 0.6rem 1.2rem; font-family: var(--ff-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-faint); background: transparent; border: none; cursor: pointer; transition: color 0.2s; border-bottom: 2px solid transparent; margin-bottom: -1px; display: flex; align-items: center; gap: 8px; }
.layout-tab:hover { color: var(--text-body); }
.layout-tab.active { color: var(--gold-300); border-bottom-color: var(--gold-400); }
[data-theme="light"] .layout-tab.active { color: var(--gold-500); }
.tab-score { padding: 1px 6px; border-radius: 2px; background: rgba(201,150,42,0.12); color: var(--gold-400); font-size: 0.65rem; }
[data-theme="light"] .tab-score { color: var(--gold-500); }
.viz-grid { display: grid; grid-template-columns: 1fr 340px; gap: 1.5rem; }
.view-card { background: var(--bg-overlay); border: 1px solid var(--border-subtle); border-radius: 4px; overflow: hidden; backdrop-filter: blur(20px); box-shadow: var(--shadow-card); transition: background var(--theme-transition), border-color var(--theme-transition), box-shadow var(--theme-transition); }
.view-card-header { padding: 0 1rem; border-bottom: 1px solid var(--border-subtle); display: flex; align-items: center; gap: 2px; transition: border-color var(--theme-transition); }
.view-tab { padding: 0.75rem 1rem; font-family: var(--ff-mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-faint); background: transparent; border: none; cursor: pointer; transition: color 0.2s; border-bottom: 2px solid transparent; margin-bottom: -1px; display: flex; align-items: center; gap: 6px; }
.view-tab:hover { color: var(--text-body); }
.view-tab.active { color: var(--cyan-300); border-bottom-color: var(--cyan-400); }
[data-theme="light"] .view-tab.active { color: var(--cyan-400); }
.view-body { padding: 1rem; }
#canvas-2d, #canvas-3d { width: 100%; border-radius: 2px; display: block; background: var(--bg-base); }
.canvas-wrap { position: relative; border: 1px solid var(--border-subtle); border-radius: 2px; overflow: hidden; transition: border-color var(--theme-transition); }
.canvas-overlay { position: absolute; top: 8px; left: 8px; font-family: var(--ff-mono); font-size: 0.6rem; color: var(--cyan-400); opacity: 0.6; letter-spacing: 0.06em; pointer-events: none; }
.canvas-corner { position: absolute; width: 12px; height: 12px; pointer-events: none; }
.cc-tl { top: 0; left: 0; border-top: 1px solid var(--cyan-400); border-left: 1px solid var(--cyan-400); opacity: 0.5; }
.cc-tr { top: 0; right: 0; border-top: 1px solid var(--cyan-400); border-right: 1px solid var(--cyan-400); opacity: 0.5; }
.cc-bl { bottom: 0; left: 0; border-bottom: 1px solid var(--cyan-400); border-left: 1px solid var(--cyan-400); opacity: 0.5; }
.cc-br { bottom: 0; right: 0; border-bottom: 1px solid var(--cyan-400); border-right: 1px solid var(--cyan-400); opacity: 0.5; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.controls-hint { display: flex; gap: 12px; margin-top: 8px; flex-wrap: wrap; }
.ctrl { font-family: var(--ff-mono); font-size: 0.62rem; color: var(--text-veryfaint); display: flex; align-items: center; gap: 4px; }
.ctrl kbd { padding: 1px 5px; border: 1px solid var(--border-subtle); border-radius: 2px; background: var(--bg-elevated); color: var(--text-muted); font-size: 0.58rem; transition: all var(--theme-transition); }
.right-col { display: flex; flex-direction: column; gap: 1rem; }
.vastu-card { background: var(--bg-overlay); border: 1px solid var(--border-subtle); border-radius: 4px; backdrop-filter: blur(20px); overflow: hidden; box-shadow: var(--shadow-card); transition: background var(--theme-transition), border-color var(--theme-transition), box-shadow var(--theme-transition); }
.vastu-card-header { padding: 1rem 1.25rem; border-bottom: 1px solid var(--border-subtle); display: flex; align-items: center; justify-content: space-between; transition: border-color var(--theme-transition); }
.vastu-card-title { font-family: var(--ff-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--cyan-400); transition: color var(--theme-transition); }
.vastu-card-body { padding: 1.25rem; }
.score-ring-wrap { display: flex; justify-content: center; margin-bottom: 1.25rem; }
.score-ring-wrap svg { overflow: visible; }
.score-main { font-family: var(--ff-display); font-size: 2.2rem; fill: var(--text-primary); }
.score-pct { font-family: var(--ff-mono); font-size: 0.7rem; fill: var(--cyan-400); }
.score-tag { font-family: var(--ff-mono); font-size: 0.6rem; fill: var(--text-faint); letter-spacing: 0.08em; }
.vastu-rules { display: flex; flex-direction: column; gap: 6px; }
.vastu-rule { display: flex; align-items: center; padding: 0.5rem 0.75rem; background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 2px; gap: 8px; transition: border-color 0.2s, background var(--theme-transition); }
.vastu-rule:hover { border-color: var(--border-mid); }
.vr-icon { font-size: 0.9rem; flex-shrink: 0; }
.vr-info { flex: 1; min-width: 0; }
.vr-name { font-family: var(--ff-mono); font-size: 0.7rem; color: var(--text-body); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color var(--theme-transition); }
.vr-dir { font-family: var(--ff-mono); font-size: 0.58rem; color: var(--text-veryfaint); margin-top: 1px; transition: color var(--theme-transition); }
.vr-badge { font-family: var(--ff-mono); font-size: 0.6rem; padding: 2px 6px; border-radius: 1px; flex-shrink: 0; letter-spacing: 0.06em; font-weight: 600; }
.vr-ok   { background: rgba(34,197,94,0.12);  color: #4ade80; border: 1px solid rgba(34,197,94,0.2); }
.vr-warn { background: rgba(251,191,36,0.12); color: #f59e0b; border: 1px solid rgba(251,191,36,0.2); }
.vr-bad  { background: rgba(239,68,68,0.12);  color: #f87171; border: 1px solid rgba(239,68,68,0.2); }
.vr-miss { background: rgba(100,116,139,0.12); color: var(--text-faint); border: 1px solid rgba(100,116,139,0.2); }
[data-theme="light"] .vr-ok   { background: rgba(22,163,74,0.10);  color: #15803d; border-color: rgba(22,163,74,0.25); }
[data-theme="light"] .vr-warn { background: rgba(202,138,4,0.10);  color: #92400e; border-color: rgba(202,138,4,0.25); }
[data-theme="light"] .vr-bad  { background: rgba(220,38,38,0.10);  color: #991b1b; border-color: rgba(220,38,38,0.25); }
.mini-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 1rem; }
.mini-stat { padding: 0.75rem; background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 2px; transition: background var(--theme-transition), border-color var(--theme-transition); }
.mini-stat-val { font-family: var(--ff-display); font-size: 1.3rem; color: var(--text-primary); line-height: 1; transition: color var(--theme-transition); }
.mini-stat-val .unit { font-family: var(--ff-mono); font-size: 0.65rem; color: var(--text-faint); margin-left: 2px; }
.mini-stat-key { font-family: var(--ff-mono); font-size: 0.6rem; color: var(--text-veryfaint); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 4px; transition: color var(--theme-transition); }
.actions-card { background: var(--bg-overlay); border: 1px solid var(--border-subtle); border-radius: 4px; padding: 1rem; backdrop-filter: blur(20px); box-shadow: var(--shadow-card); transition: background var(--theme-transition), border-color var(--theme-transition); }
.actions-title { font-family: var(--ff-mono); font-size: 0.65rem; color: var(--text-veryfaint); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.75rem; transition: color var(--theme-transition); }
.action-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.action-btn { padding: 0.55rem 0.5rem; background: var(--bg-input); border: 1px solid var(--border-subtle); border-radius: 2px; color: var(--text-muted); font-family: var(--ff-mono); font-size: 0.68rem; letter-spacing: 0.05em; cursor: pointer; transition: all 0.2s; display: flex; align-items: center; justify-content: center; gap: 5px; }
.action-btn:hover { border-color: var(--border-gold); color: var(--gold-400); background: rgba(201,150,42,0.05); }
[data-theme="light"] .action-btn:hover { color: var(--gold-500); }
.action-btn.ar-btn:hover { border-color: var(--border-focus); color: var(--cyan-400); background: rgba(56,189,248,0.05); }
[data-theme="light"] .action-btn.ar-btn:hover { background: rgba(10,40,80,0.06); }
.action-btn-full { grid-column: span 2; padding: 0.65rem; background: rgba(56,189,248,0.08); border: 1px solid rgba(56,189,248,0.25); color: var(--cyan-400); font-family: var(--ff-mono); font-size: 0.72rem; letter-spacing: 0.08em; cursor: pointer; transition: all 0.2s; border-radius: 2px; display: flex; align-items: center; justify-content: center; gap: 8px; }
[data-theme="light"] .action-btn-full { background: rgba(10,40,80,0.06); border-color: rgba(10,40,80,0.18); }
.action-btn-full:hover { background: rgba(56,189,248,0.14); box-shadow: 0 0 20px rgba(56,189,248,0.1); }
[data-theme="light"] .action-btn-full:hover { background: rgba(10,40,80,0.12); box-shadow: 0 0 18px rgba(10,40,80,0.08); }
.legend-card { background: var(--bg-overlay); border: 1px solid var(--border-subtle); border-radius: 4px; padding: 1rem 1.25rem; backdrop-filter: blur(20px); margin-top: 1rem; box-shadow: var(--shadow-card); transition: background var(--theme-transition), border-color var(--theme-transition); }
.legend-title { font-family: var(--ff-mono); font-size: 0.65rem; color: var(--text-veryfaint); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.75rem; transition: color var(--theme-transition); }
.legend-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.legend-item { display: flex; align-items: center; gap: 6px; font-family: var(--ff-mono); font-size: 0.68rem; color: var(--text-muted); transition: color var(--theme-transition); }
.legend-swatch { width: 10px; height: 10px; border-radius: 1px; flex-shrink: 0; }

/* ════════════════════════════════════════
   RESULTS PAGE
════════════════════════════════════════ */
.results-page-inner { max-width: 1280px; margin: 0 auto; padding: 80px 3rem 5rem; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-family: var(--ff-mono); font-size: 0.68rem; color: var(--text-veryfaint); margin-bottom: 2rem; letter-spacing: 0.06em; }
.breadcrumb a { color: var(--cyan-400); cursor: pointer; transition: color 0.2s; text-decoration: none; }
.breadcrumb a:hover { color: var(--cyan-300); }
.breadcrumb-sep { color: var(--border-subtle); }
.results-h1 { font-family: var(--ff-display); font-size: 2.5rem; color: var(--text-primary); margin-bottom: 0.5rem; transition: color var(--theme-transition); }
.results-sub { font-family: var(--ff-mono); font-size: 0.75rem; color: var(--text-faint); letter-spacing: 0.06em; margin-bottom: 2.5rem; transition: color var(--theme-transition); }
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.kpi-card { padding: 1.25rem 1rem; background: var(--bg-overlay); border: 1px solid var(--border-subtle); border-radius: 4px; position: relative; overflow: hidden; box-shadow: var(--shadow-card); transition: border-color 0.2s, background var(--theme-transition), box-shadow var(--theme-transition); }
.kpi-card:hover { border-color: var(--border-mid); box-shadow: var(--shadow-hover); }
.kpi-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--cyan-400), transparent); opacity: 0; transition: opacity 0.2s; }
.kpi-card:hover::before { opacity: 0.6; }
.kpi-label { font-family: var(--ff-mono); font-size: 0.62rem; color: var(--text-veryfaint); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.5rem; transition: color var(--theme-transition); }
.kpi-value { font-family: var(--ff-display); font-size: 1.6rem; color: var(--text-primary); line-height: 1; transition: color var(--theme-transition); }
.kpi-value .kpi-unit { font-family: var(--ff-mono); font-size: 0.72rem; color: var(--text-faint); margin-left: 2px; }
.kpi-badge { position: absolute; top: 0.75rem; right: 0.75rem; font-family: var(--ff-mono); font-size: 0.6rem; padding: 2px 6px; border-radius: 1px; background: rgba(56,189,248,0.10); color: var(--cyan-400); border: 1px solid rgba(56,189,248,0.20); transition: all var(--theme-transition); }
[data-theme="light"] .kpi-badge { background: rgba(10,40,80,0.07); border-color: rgba(10,40,80,0.15); }
.breakdown-section { background: var(--bg-overlay); border: 1px solid var(--border-subtle); border-radius: 4px; padding: 1.5rem; margin-bottom: 2rem; box-shadow: var(--shadow-card); transition: background var(--theme-transition), border-color var(--theme-transition); }
.breakdown-title { font-family: var(--ff-mono); font-size: 0.72rem; color: var(--cyan-400); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 1.25rem; transition: color var(--theme-transition); }
.bar-row { display: flex; align-items: center; gap: 1rem; margin-bottom: 0.75rem; }
.bar-label { font-family: var(--ff-mono); font-size: 0.72rem; color: var(--text-muted); width: 150px; flex-shrink: 0; transition: color var(--theme-transition); }
.bar-track { flex: 1; height: 4px; background: var(--bg-elevated); border-radius: 2px; overflow: hidden; transition: background var(--theme-transition); }
.bar-fill { height: 100%; border-radius: 2px; transition: width 1.2s cubic-bezier(0.16,1,0.3,1); }
.bar-pct { font-family: var(--ff-mono); font-size: 0.7rem; color: var(--text-muted); width: 36px; text-align: right; transition: color var(--theme-transition); }
.room-table-wrap { background: var(--bg-overlay); border: 1px solid var(--border-subtle); border-radius: 4px; overflow: hidden; margin-bottom: 2rem; box-shadow: var(--shadow-card); transition: background var(--theme-transition), border-color var(--theme-transition); }
.room-table-header { padding: 1rem 1.5rem; border-bottom: 1px solid var(--border-subtle); font-family: var(--ff-mono); font-size: 0.72rem; color: var(--cyan-400); letter-spacing: 0.1em; text-transform: uppercase; transition: border-color var(--theme-transition), color var(--theme-transition); }
table { width: 100%; border-collapse: collapse; }
th { padding: 0.6rem 1.25rem; text-align: left; font-family: var(--ff-mono); font-size: 0.62rem; color: var(--text-veryfaint); letter-spacing: 0.1em; text-transform: uppercase; border-bottom: 1px solid var(--border-subtle); transition: color var(--theme-transition), border-color var(--theme-transition); }
td { padding: 0.65rem 1.25rem; font-family: var(--ff-mono); font-size: 0.75rem; color: var(--text-body); border-bottom: 1px solid var(--bg-elevated); transition: color var(--theme-transition), border-color var(--theme-transition), background var(--theme-transition); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(56,189,248,0.02); }
[data-theme="light"] tr:hover td { background: rgba(10,40,80,0.03); }
.td-type { color: var(--text-faint); }
.td-area { color: var(--gold-400); }
[data-theme="light"] .td-area { color: var(--gold-500); }
.result-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.ra-btn { padding: 0.7rem 1.5rem; border-radius: 2px; border: 1px solid var(--border-subtle); background: var(--bg-overlay); color: var(--text-body); font-family: var(--ff-mono); font-size: 0.75rem; letter-spacing: 0.08em; cursor: pointer; transition: all 0.2s; display: flex; align-items: center; gap: 8px; }
.ra-btn:hover { border-color: var(--border-gold); color: var(--gold-400); }
[data-theme="light"] .ra-btn:hover { color: var(--gold-500); }
.ra-btn.primary { background: linear-gradient(135deg, var(--gold-500), var(--gold-400)); border-color: transparent; color: #0a0e16; font-weight: 700; }
.ra-btn.primary:hover { box-shadow: var(--shadow-gold); transform: translateY(-1px); }

/* ════════════════════════════════════════
   AR PAGE
════════════════════════════════════════ */
.ar-page-inner { max-width: 1280px; margin: 0 auto; padding: 80px 3rem 3rem; }
.ar-viewer { background: var(--bg-overlay); border: 1px solid var(--border-subtle); border-radius: 4px; overflow: hidden; box-shadow: var(--shadow-card); transition: background var(--theme-transition), border-color var(--theme-transition); }
.ar-viewer-header { padding: 1rem 1.5rem; border-bottom: 1px solid var(--border-subtle); display: flex; align-items: center; justify-content: space-between; transition: border-color var(--theme-transition); }
.ar-title { font-family: var(--ff-mono); font-size: 0.72rem; color: var(--cyan-400); letter-spacing: 0.1em; text-transform: uppercase; }
.ar-controls-bar { display: flex; gap: 6px; }
.ar-ctrl-btn { padding: 4px 12px; border: 1px solid var(--border-subtle); border-radius: 2px; background: var(--bg-input); color: var(--text-muted); font-family: var(--ff-mono); font-size: 0.65rem; letter-spacing: 0.06em; cursor: pointer; transition: all 0.2s; }
.ar-ctrl-btn:hover { border-color: var(--border-mid); color: var(--cyan-400); }
#ar-canvas { width: 100%; height: 560px; display: block; }
.ar-footer { padding: 0.75rem 1.5rem; border-top: 1px solid var(--border-subtle); font-family: var(--ff-mono); font-size: 0.65rem; color: var(--text-veryfaint); letter-spacing: 0.06em; display: flex; gap: 2rem; transition: border-color var(--theme-transition), color var(--theme-transition); }
.ar-hint { display: flex; align-items: center; gap: 6px; }
.ar-hint::before { content: '›'; color: var(--cyan-400); }

/* ════════════════════════════════════════
   TOAST
════════════════════════════════════════ */
.toast { position: fixed; bottom: 2rem; right: 2rem; z-index: 500; background: var(--bg-toast); border: 1px solid var(--border-subtle); border-radius: 4px; padding: 0.85rem 1.25rem; font-family: var(--ff-mono); font-size: 0.75rem; color: var(--text-secondary); letter-spacing: 0.04em; backdrop-filter: blur(24px); display: flex; align-items: center; gap: 10px; transform: translateY(20px); opacity: 0; transition: transform 0.35s cubic-bezier(0.16,1,0.3,1), opacity 0.35s, background var(--theme-transition), border-color var(--theme-transition); max-width: 340px; box-shadow: var(--shadow-card); }
.toast.show { transform: translateY(0); opacity: 1; }
.toast-icon { font-size: 1rem; flex-shrink: 0; }
.toast::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--gold-400), transparent); opacity: 0.6; }

/* ════════════════════════════════════════
   SPINNER
════════════════════════════════════════ */
.spin { width: 14px; height: 14px; border: 1.5px solid rgba(0,0,0,0.2); border-top-color: rgba(0,0,0,0.8); border-radius: 50%; animation: rotate 0.6s linear infinite; }
@keyframes rotate { to { transform: rotate(360deg); } }

/* ════════════════════════════════════════
   EMPTY STATE
════════════════════════════════════════ */
.empty-state { text-align: center; padding: 4rem 2rem; color: var(--text-veryfaint); }
.empty-icon { font-size: 3rem; margin-bottom: 1rem; opacity: 0.4; }
.empty-text { font-family: var(--ff-mono); font-size: 0.8rem; letter-spacing: 0.06em; }

/* ════════════════════════════════════════
   FOOTER
════════════════════════════════════════ */
footer { border-top: 1px solid var(--border-subtle); padding: 1.5rem 3rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; position: relative; z-index: 2; background: var(--bg-footer); transition: background var(--theme-transition), border-color var(--theme-transition); }
.footer-copy { font-family: var(--ff-mono); font-size: 0.65rem; color: var(--text-veryfaint); letter-spacing: 0.06em; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-link { font-family: var(--ff-mono); font-size: 0.65rem; color: var(--text-veryfaint); cursor: pointer; transition: color 0.2s; text-decoration: none; }
.footer-link:hover { color: var(--cyan-400); }

/* ════════════════════════════════════════
   ANIMATIONS
════════════════════════════════════════ */
@keyframes fadeUp { from{opacity:0;transform:translateY(18px)} to{opacity:1;transform:translateY(0)} }
@keyframes scaleIn { from{opacity:0;transform:scale(0.97)} to{opacity:1;transform:scale(1)} }

/* ════════════════════════════════════════
   NO PLAN STATE
════════════════════════════════════════ */
.no-plan-hero { text-align: center; padding: 5rem 2rem; color: var(--text-faint); }
.no-plan-icon { font-size: 4rem; opacity: 0.2; margin-bottom: 1rem; }
.no-plan-text { font-family: var(--ff-mono); font-size: 0.82rem; letter-spacing: 0.06em; }
.no-plan-btn { margin-top: 1.5rem; padding: 0.6rem 1.5rem; background: transparent; border: 1px solid var(--border-gold); color: var(--gold-400); border-radius: 2px; font-family: var(--ff-mono); font-size: 0.72rem; letter-spacing: 0.08em; cursor: pointer; transition: all 0.2s; }
[data-theme="light"] .no-plan-btn { color: var(--gold-500); }
.no-plan-btn:hover { background: rgba(201,150,42,0.08); }

/* ════════════════════════════════════════
   LOADING OVERLAY
════════════════════════════════════════ */
.loading-overlay { position: fixed; inset: 0; z-index: 200; background: var(--bg-loading); backdrop-filter: blur(8px); flex-direction: column; align-items: center; justify-content: center; gap: 1.5rem; display: none; transition: background var(--theme-transition); }
.loading-overlay.active { display: flex; }
.loading-spinner { width: 48px; height: 48px; border: 1px solid var(--border-subtle); border-top-color: var(--gold-400); border-right-color: var(--cyan-400); border-radius: 50%; animation: rotate 1s linear infinite; }
.loading-text { font-family: var(--ff-mono); font-size: 0.8rem; color: var(--text-muted); letter-spacing: 0.1em; text-transform: uppercase; }
.loading-sub { font-family: var(--ff-mono); font-size: 0.65rem; color: var(--text-veryfaint); letter-spacing: 0.06em; }
.loading-progress { width: 200px; height: 1px; background: var(--bg-elevated); border-radius: 1px; overflow: hidden; transition: background var(--theme-transition); }
.loading-bar { height: 100%; background: linear-gradient(90deg, var(--cyan-400), var(--gold-400)); animation: loadBar 2s ease-in-out infinite; }
@keyframes loadBar { 0%{width:0;margin-left:0} 50%{width:100%;margin-left:0} 100%{width:0;margin-left:100%} }

/* ════════════════════════════════════════
   CUSTOM PLOT SIZE INPUT
════════════════════════════════════════ */
.custom-plot-row { display: none; animation: fadeUp 0.22s ease forwards; margin-bottom: 1rem; }
.custom-plot-row.visible { display: block; }
.custom-plot-inputs { display: flex; align-items: center; gap: 8px; }
.custom-plot-field { position: relative; display: flex; align-items: center; flex: 1; min-width: 0; }
.custom-plot-axis { position: absolute; left: 10px; font-family: var(--ff-mono); font-size: 0.6rem; color: var(--cyan-400); letter-spacing: 0.1em; font-weight: 600; pointer-events: none; z-index: 1; }
.custom-dim-input { padding-left: 26px !important; padding-right: 28px !important; width: 100%; -moz-appearance: textfield; }
.custom-dim-input::-webkit-outer-spin-button, .custom-dim-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.custom-plot-unit { position: absolute; right: 8px; font-family: var(--ff-mono); font-size: 0.6rem; color: var(--text-veryfaint); letter-spacing: 0.06em; pointer-events: none; }
.custom-plot-times { font-family: var(--ff-display); font-size: 1.1rem; color: var(--gold-400); flex-shrink: 0; line-height: 1; user-select: none; padding: 0 2px; }
.custom-plot-preview { display: flex; flex-direction: column; align-items: center; justify-content: center; min-width: 56px; padding: 6px 8px; background: rgba(201,150,42,0.08); border: 1px solid var(--border-gold); border-radius: 2px; flex-shrink: 0; transition: all 0.25s; }
.custom-plot-preview.valid { background: rgba(56,189,248,0.07); border-color: rgba(56,189,248,0.30); }
.custom-plot-preview.invalid { background: rgba(239,68,68,0.08); border-color: rgba(239,68,68,0.25); }
.cpp-area { font-family: var(--ff-display); font-size: 1rem; color: var(--gold-300); line-height: 1; transition: color 0.2s; }
.custom-plot-preview.valid .cpp-area { color: var(--cyan-300); }
.custom-plot-preview.invalid .cpp-area { color: #f87171; }
[data-theme="light"] .cpp-area { color: var(--gold-500); }
[data-theme="light"] .custom-plot-preview.valid .cpp-area { color: var(--cyan-400); }
.cpp-label { font-family: var(--ff-mono); font-size: 0.55rem; color: var(--text-veryfaint); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 1px; }
.custom-plot-hint { font-family: var(--ff-mono); font-size: 0.62rem; color: var(--text-veryfaint); letter-spacing: 0.04em; margin-top: 6px; transition: color 0.2s; }
.custom-plot-hint.error { color: #f87171; }
.custom-plot-hint.success { color: #4ade80; }
[data-theme="light"] .custom-plot-hint.success { color: #15803d; }
[data-theme="light"] .custom-plot-hint.error   { color: #991b1b; }

/* ════════════════════════════════════════════════════════════════
   AR MODULE STYLES
════════════════════════════════════════════════════════════════ */
.ar-page-title-row { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 1.5rem; gap: 1rem; }
.ar-ctrl-sep { width: 1px; height: 20px; align-self: center; background: var(--border-subtle); flex-shrink: 0; }
.ar-ctrl-btn.ar-ctrl-active { background: rgba(56,189,248,0.12); border-color: rgba(56,189,248,0.45); color: var(--cyan-300); }
[data-theme="light"] .ar-ctrl-btn.ar-ctrl-active { background: rgba(10,40,80,0.10); border-color: rgba(10,40,80,0.35); color: var(--cyan-400); }
.ar2-label { position: absolute; pointer-events: none; opacity: 0; transition: opacity 0.18s; display: flex; flex-direction: column; align-items: center; gap: 2px; transform: translateX(-50%); z-index: 20; }
.ar2-label .arl-name { background: rgba(2,11,24,0.9); border: 1px solid var(--cyan-400); border-radius: 2px; padding: 4px 10px; font-family: var(--ff-mono); font-size: 0.72rem; color: var(--text-secondary); letter-spacing: 0.06em; white-space: nowrap; backdrop-filter: blur(12px); }
.ar2-label .arl-area { font-family: var(--ff-mono); font-size: 0.6rem; color: var(--gold-300); letter-spacing: 0.08em; }
[data-theme="light"] .ar2-label .arl-name { background: rgba(248,244,236,0.95); color: var(--text-primary); }
.ar2-panel { position: absolute; top: 60px; right: 14px; width: 200px; background: rgba(2,11,24,0.92); border: 1px solid var(--border-subtle); border-radius: 4px; backdrop-filter: blur(20px); z-index: 30; opacity: 0; pointer-events: none; transform: translateX(12px); transition: opacity 0.25s, transform 0.25s cubic-bezier(0.16,1,0.3,1); box-shadow: 0 8px 32px rgba(0,0,0,0.5); overflow: hidden; }
.ar2-panel::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--cyan-400), var(--gold-400)); opacity: 0.8; }
.ar2-panel.ar2-panel-visible { opacity: 1; pointer-events: auto; transform: translateX(0); }
[data-theme="light"] .ar2-panel { background: rgba(248,244,236,0.96); box-shadow: 0 8px 32px rgba(10,40,80,0.18); }
.arp-header { display: flex; align-items: center; gap: 8px; padding: 0.75rem 1rem; border-bottom: 1px solid var(--border-subtle); }
.arp-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.arp-name { font-family: var(--ff-mono); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.05em; flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.arp-close { background: none; border: none; cursor: pointer; color: var(--text-veryfaint); font-size: 0.8rem; padding: 2px 4px; line-height: 1; transition: color 0.15s; }
.arp-close:hover { color: var(--text-muted); }
.arp-body { padding: 0.75rem 1rem; }
.arp-row { display: flex; justify-content: space-between; align-items: baseline; padding: 4px 0; border-bottom: 1px solid var(--border-subtle); }
.arp-row:last-child { border-bottom: none; }
.arp-key { font-family: var(--ff-mono); font-size: 0.6rem; color: var(--text-veryfaint); letter-spacing: 0.08em; text-transform: uppercase; }
.arp-val { font-family: var(--ff-mono); font-size: 0.72rem; color: var(--text-secondary); text-align: right; }
.ar2-minimap { position: absolute; bottom: 50px; left: 14px; border: 1px solid var(--border-subtle); border-radius: 3px; z-index: 20; opacity: 0.88; transition: opacity 0.2s; cursor: default; }
.ar2-minimap:hover { opacity: 1; }
.ar2-compass { position: absolute; top: 60px; left: 14px; width: 56px; height: 56px; z-index: 20; opacity: 0.85; transition: opacity 0.2s; }
.ar2-compass:hover { opacity: 1; }
.ar2-compass svg { width: 100%; height: 100%; display: block; }
.ar2-help { position: absolute; inset: 0; background: rgba(2,11,24,0.92); backdrop-filter: blur(16px); z-index: 50; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1.5rem; opacity: 0; pointer-events: none; transition: opacity 0.25s; }
.ar2-help.ar2-help-visible { opacity: 1; pointer-events: auto; }
[data-theme="light"] .ar2-help { background: rgba(248,244,236,0.94); }
.arh-title { font-family: var(--ff-display); font-size: 1.25rem; color: var(--text-primary); }
.arh-grid { display: grid; grid-template-columns: auto 1fr; gap: 0.5rem 1.25rem; max-width: 320px; width: 100%; padding: 0 1rem; }
.arh-grid kbd { font-family: var(--ff-mono); font-size: 0.68rem; padding: 3px 8px; background: var(--bg-elevated); border: 1px solid var(--border-mid); border-radius: 2px; color: var(--cyan-300); white-space: nowrap; justify-self: start; align-self: center; }
[data-theme="light"] .arh-grid kbd { color: var(--cyan-400); }
.arh-grid span { font-family: var(--ff-mono); font-size: 0.68rem; color: var(--text-muted); align-self: center; }
.arh-close { padding: 0.5rem 1.5rem; background: transparent; border: 1px solid var(--border-gold); color: var(--gold-300); border-radius: 2px; font-family: var(--ff-mono); font-size: 0.72rem; letter-spacing: 0.06em; cursor: pointer; transition: all 0.2s; }
.arh-close:hover { background: rgba(201,150,42,0.1); }

/* ════════════════════════════════════════════════════════════════
   LANDING PAGE STYLES
════════════════════════════════════════════════════════════════ */

/* ── HERO ── */
.lp-hero { min-height: 100vh; display: flex; align-items: center; padding: 80px 0 60px; position: relative; overflow: hidden; }
.lp-hero-glow { position: absolute; border-radius: 50%; pointer-events: none; filter: blur(120px); }
.lp-glow-1 { width: 700px; height: 700px; background: var(--glow-cyan-1); top: -200px; left: -200px; }
.lp-glow-2 { width: 600px; height: 600px; background: var(--glow-gold); bottom: -150px; right: -150px; }
.lp-glow-3 { width: 350px; height: 350px; background: var(--glow-cyan-2); top: 35%; left: 45%; }
.lp-hero-inner { max-width: 1280px; margin: 0 auto; padding: 0 3rem; display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.lp-hero-left { display: flex; flex-direction: column; gap: 0; animation: fadeUp 0.8s ease 0.1s both; }
.lp-eyebrow { display: inline-flex; align-items: center; gap: 10px; font-family: var(--ff-mono); font-size: 0.72rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--cyan-400); margin-bottom: 1.5rem; }
.lp-eyebrow-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--gold-400); flex-shrink: 0; }
.lp-h1 { font-family: var(--ff-display); font-size: clamp(2.8rem, 4.5vw, 4.4rem); line-height: 1.06; letter-spacing: -0.015em; color: var(--text-primary); margin-bottom: 1.5rem; transition: color var(--theme-transition); }
.lp-h1 em { font-style: italic; color: var(--gold-300); }
[data-theme="light"] .lp-h1 em { color: var(--gold-500); }
.lp-h1-sub { display: block; color: var(--text-body); font-size: 80%; }
.lp-sub { font-size: 1.05rem; line-height: 1.78; color: var(--text-muted); max-width: 520px; margin-bottom: 2rem; transition: color var(--theme-transition); }
.lp-hero-badges { display: flex; align-items: center; gap: 1.5rem; margin-bottom: 2.5rem; }
.lp-badge { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.lp-badge-num { font-family: var(--ff-display); font-size: 2rem; color: var(--text-primary); line-height: 1; transition: color var(--theme-transition); }
.lp-badge-label { font-family: var(--ff-mono); font-size: 0.63rem; color: var(--text-faint); letter-spacing: 0.1em; text-transform: uppercase; transition: color var(--theme-transition); }
.lp-badge-sep { width: 1px; height: 36px; background: var(--border-subtle); }
.lp-cta-btn { display: inline-flex; align-items: center; gap: 10px; padding: 0.95rem 2rem; background: linear-gradient(135deg, var(--gold-500) 0%, var(--gold-400) 50%, var(--gold-500) 100%); background-size: 200% 100%; border: none; border-radius: 3px; color: #0a0e16; font-family: var(--ff-mono); font-size: 0.85rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; cursor: pointer; transition: all 0.4s; position: relative; overflow: hidden; width: fit-content; margin-bottom: 1.25rem; }
.lp-cta-btn::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent 60%); opacity: 0; transition: opacity 0.2s; }
.lp-cta-btn:hover { background-position: 100% 0; box-shadow: var(--shadow-gold), 0 8px 30px rgba(0,0,0,0.3); transform: translateY(-2px); }
.lp-cta-btn:hover::before { opacity: 1; }
.lp-cta-btn:active { transform: translateY(0); }
.lp-cta-icon { font-size: 1.1rem; }
.lp-cta-arrow { width: 18px; height: 18px; flex-shrink: 0; }
.lp-trust { display: flex; align-items: center; gap: 8px; font-family: var(--ff-mono); font-size: 0.65rem; color: var(--text-veryfaint); letter-spacing: 0.06em; }
.lp-trust-sep { color: var(--border-subtle); }
.lp-hero-right { animation: fadeUp 0.9s ease 0.3s both; }
.lp-floorplan-wrap { position: relative; background: var(--bg-overlay); border: 1px solid var(--border-subtle); border-radius: 6px; overflow: hidden; padding: 1rem; box-shadow: var(--shadow-card), 0 0 80px rgba(56,189,248,0.06); transition: background var(--theme-transition), border-color var(--theme-transition); }
.lp-floorplan-wrap::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--cyan-400), var(--gold-400), var(--cyan-400)); opacity: 0.7; }
.lp-fp-badge { position: absolute; top: 12px; right: 12px; font-family: var(--ff-mono); font-size: 0.58rem; letter-spacing: 0.1em; padding: 3px 8px; background: rgba(56,189,248,0.1); border: 1px solid rgba(56,189,248,0.25); color: var(--cyan-400); border-radius: 2px; }
.lp-fp-svg { width: 100%; height: auto; display: block; }
[data-theme="light"] .lp-floorplan-wrap { background: rgba(255,252,245,0.8); }

/* ── SECTION COMMONS ── */
.lp-section-eyebrow { font-family: var(--ff-mono); font-size: 0.72rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--cyan-400); margin-bottom: 1rem; text-align: center; transition: color var(--theme-transition); }
.lp-section-title { font-family: var(--ff-display); font-size: clamp(2rem, 3.5vw, 3rem); line-height: 1.12; letter-spacing: -0.01em; color: var(--text-primary); margin-bottom: 1rem; text-align: center; transition: color var(--theme-transition); }
.lp-section-title em { font-style: italic; color: var(--gold-300); }
[data-theme="light"] .lp-section-title em { color: var(--gold-500); }
.lp-section-sub { font-size: 1rem; line-height: 1.75; color: var(--text-muted); max-width: 600px; margin: 0 auto; text-align: center; transition: color var(--theme-transition); }

/* ── KEY FEATURES INTRO ── */
.lp-kf-intro { max-width: 900px; margin: 0 auto; padding: 6rem 3rem 4rem; display: flex; flex-direction: column; align-items: center; text-align: center; }
.lp-kf-pills { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 2rem; }
.lp-kf-pill { padding: 6px 16px; border: 1px solid var(--border-subtle); border-radius: 20px; font-family: var(--ff-mono); font-size: 0.72rem; letter-spacing: 0.06em; color: var(--text-muted); background: var(--bg-overlay-lt); transition: all 0.2s; }
.lp-kf-pill:hover { border-color: var(--border-gold); color: var(--gold-400); }
[data-theme="light"] .lp-kf-pill:hover { color: var(--gold-500); }

/* ── ZIGZAG FEATURES ── */
.lp-zigzag { max-width: 1280px; margin: 0 auto; padding: 0 3rem 6rem; display: flex; flex-direction: column; gap: 0; }
.lp-zig-row { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; padding: 5rem 0; border-bottom: 1px solid var(--border-subtle); transition: border-color var(--theme-transition); }
.lp-zig-row:last-child { border-bottom: none; }
.lp-zig-reverse .lp-zig-visual { order: 2; }
.lp-zig-reverse .lp-zig-text   { order: 1; }
.lp-feat-card { position: relative; background: var(--bg-overlay); border: 1px solid var(--border-subtle); border-radius: 8px; overflow: hidden; padding: 1.25rem; box-shadow: var(--shadow-card); transition: background var(--theme-transition), border-color var(--theme-transition), box-shadow var(--theme-transition); }
.lp-feat-card:hover { box-shadow: var(--shadow-hover); }
.lp-feat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; opacity: 0.8; }
.lp-feat-card--plot::before  { background: linear-gradient(90deg, #38bdf8, #d9aa3f); }
.lp-feat-card--vastu::before { background: linear-gradient(90deg, #38bdf8, #c9962a); }
.lp-feat-card--ar::before    { background: linear-gradient(90deg, #8b5cf6, #38bdf8); }
.lp-feat-card--3d::before    { background: linear-gradient(90deg, #8b5cf6, #6366f1); }
.lp-feat-card svg { width: 100%; height: auto; display: block; }
.lp-feat-card-label { font-family: var(--ff-mono); font-size: 0.6rem; letter-spacing: 0.14em; color: var(--text-veryfaint); margin-bottom: 0.75rem; text-transform: uppercase; transition: color var(--theme-transition); }
.lp-feat-num { font-family: var(--ff-display); font-size: 4rem; color: var(--border-subtle); line-height: 1; margin-bottom: 0.5rem; letter-spacing: -0.02em; transition: color var(--theme-transition); }
.lp-feat-title { font-family: var(--ff-display); font-size: 1.9rem; color: var(--text-primary); margin-bottom: 1rem; line-height: 1.2; letter-spacing: -0.01em; transition: color var(--theme-transition); }
.lp-feat-desc { font-size: 0.97rem; line-height: 1.78; color: var(--text-muted); margin-bottom: 1.25rem; transition: color var(--theme-transition); }
.lp-feat-points { list-style: none; padding: 0; margin: 0 0 1.75rem; display: flex; flex-direction: column; gap: 6px; }
.lp-feat-points li { font-family: var(--ff-mono); font-size: 0.75rem; color: var(--text-body); letter-spacing: 0.04em; padding-left: 1.2rem; position: relative; transition: color var(--theme-transition); }
.lp-feat-points li::before { content: '▸'; position: absolute; left: 0; color: var(--cyan-400); font-size: 0.65rem; }
.lp-feat-btn { display: inline-flex; align-items: center; padding: 0.6rem 1.25rem; background: transparent; border: 1px solid var(--border-gold); color: var(--gold-400); border-radius: 2px; font-family: var(--ff-mono); font-size: 0.75rem; letter-spacing: 0.08em; cursor: pointer; transition: all 0.2s; }
.lp-feat-btn:hover { background: rgba(201,150,42,0.10); box-shadow: 0 0 20px rgba(201,150,42,0.15); }
[data-theme="light"] .lp-feat-btn { color: var(--gold-500); }
[data-theme="light"] .lp-feat-btn:hover { background: rgba(201,150,42,0.08); }

/* ── WHY USE SECTION ── */
.lp-why { background: var(--bg-overlay-lt); border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); transition: background var(--theme-transition), border-color var(--theme-transition); }
.lp-why-inner { max-width: 1280px; margin: 0 auto; padding: 6rem 3rem 5rem; }
.lp-why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 3.5rem; }
.lp-why-card { display: flex; gap: 1rem; align-items: flex-start; padding: 1.5rem; background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 4px; box-shadow: var(--shadow-card); transition: all 0.2s; }
.lp-why-card:hover { border-color: var(--border-mid); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.lp-why-icon { width: 40px; height: 40px; flex-shrink: 0; }
.lp-why-icon svg { width: 40px; height: 40px; }
.lp-why-content { flex: 1; min-width: 0; }
.lp-why-title { font-family: var(--ff-ui); font-size: 0.92rem; font-weight: 600; color: var(--text-primary); margin-bottom: 0.5rem; line-height: 1.3; transition: color var(--theme-transition); }
.lp-why-desc { font-size: 0.82rem; line-height: 1.65; color: var(--text-muted); transition: color var(--theme-transition); }
.lp-why-cta { text-align: center; margin-top: 4rem; display: flex; flex-direction: column; align-items: center; gap: 1.25rem; }
.lp-why-cta-text { font-family: var(--ff-display); font-size: 1.4rem; color: var(--text-primary); transition: color var(--theme-transition); }

/* ════════════════════════════════════════════════════════════════
   RESPONSIVE — Full breakpoint system
════════════════════════════════════════════════════════════════ */
@media (max-width: 1200px) {
  .viz-grid { grid-template-columns: 1fr 300px; }
  .hero-inner { gap: 3.5rem; }
  .results-section { padding: 0 2rem 5rem; }
  .results-page-inner { padding: 80px 2rem 4rem; }
  .ar-page-inner { padding: 80px 2rem 3rem; }
  .lp-hero-inner { gap: 3rem; }
  .lp-zig-row { gap: 3rem; }
  .lp-zigzag { padding: 0 2rem 5rem; }
  .lp-kf-intro { padding: 5rem 2rem 3rem; }
  .lp-why-inner { padding: 5rem 2rem 4rem; }
}
@media (max-width: 1024px) {
  .viz-grid { grid-template-columns: 1fr; }
  .right-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
  .vastu-card { grid-column: span 2; }
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-inner { gap: 3rem; padding: 0 2rem; }
  .results-section { padding: 0 2rem 4rem; }
}
@media (max-width: 900px) {
  header { padding: 0 1.25rem; }
  nav { padding-left: 1rem; }
  .nav-btn { padding: 7px 10px; font-size: 0.68rem; }
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; padding: 0 1.5rem; }
  .hero-left  { order: 1; }
  .hero-right { order: 2; }  .hero-h1 { font-size: clamp(2.2rem, 6vw, 3.2rem); }
  .hero-sub { max-width: 100%; }
  .hero-stats { gap: 1.5rem; }
  .field-grid { grid-template-columns: 1fr 1fr; }
  .results-section { padding: 0 1.5rem 3rem; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .right-col { display: flex; flex-direction: column; }
  .vastu-card { grid-column: unset; }
  .results-page-inner { padding: 80px 1.5rem 3rem; }
  .results-h1 { font-size: 2rem; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .ar-page-inner { padding: 80px 1.5rem 2rem; }
  #ar-canvas { height: 420px !important; }
  footer { padding: 1.25rem 1.5rem; flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .footer-links { gap: 1rem; }
  /* Landing responsive */
  .lp-hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .lp-hero-right { order: -1; max-width: 500px; margin: 0 auto; width: 100%; }
  .lp-zig-row { grid-template-columns: 1fr; gap: 2rem; padding: 3.5rem 0; }
/* Feature 1 & 3 — normal rows: force text before image on mobile */
  .lp-zig-row:not(.lp-zig-reverse) .lp-zig-text   { order: 1; }
  .lp-zig-row:not(.lp-zig-reverse) .lp-zig-visual  { order: 2; }

  /* Feature 2 & 4 — reverse rows: DOM already has text first, reset order */
  .lp-zig-reverse .lp-zig-visual { order: 2; }
  .lp-zig-reverse .lp-zig-text   { order: 1; }
  .lp-why-grid { grid-template-columns: 1fr 1fr; }
  .lp-h1 { font-size: clamp(2.2rem, 7vw, 3.2rem); }
  .lp-section-title { font-size: clamp(1.6rem, 5vw, 2.4rem); }
  .lp-feat-title { font-size: 1.6rem; }
}
@media (max-width: 768px) {
  header { padding: 0 1rem; }
  .logo-wrap { padding-right: 0; margin-right: auto; }
  .logo-tag { display: none; }
  nav { padding-left: 0.75rem; border-left-color: transparent; gap: 0; }
  .nav-btn { padding: 6px 8px; font-size: 0.65rem; letter-spacing: 0.04em; }
  .nav-btn.active::after { left: 8px; right: 8px; }
  .status-dot { margin-left: 0.5rem; }
  .theme-toggle { width: 32px; height: 32px; margin-left: 6px; }
  .theme-toggle svg { width: 15px; height: 15px; }
  .hero { padding: 70px 0 40px; }
  .hero-inner { padding: 0 1.25rem; gap: 2rem; }
  .hero-h1 { font-size: clamp(2rem, 7vw, 2.8rem); margin-bottom: 1rem; }
  .hero-sub { font-size: 0.92rem; margin-bottom: 1.75rem; }
  .hero-stats { gap: 1.25rem; margin-bottom: 1.75rem; }
  .stat-num { font-size: 1.5rem; }
  .hero-pills { gap: 6px; }
  .pill-item { font-size: 0.62rem; padding: 4px 10px; }
  .field-grid { grid-template-columns: 1fr; gap: 0.85rem; }
  .facing-grid { grid-template-columns: repeat(4, 1fr); }
  .panel-body { padding: 1.25rem; }
  .layout-tabs { overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; padding-bottom: 2px; }
  .layout-tab { flex-shrink: 0; }
  .view-card-header { padding: 0 0.75rem; }
  .view-tab { padding: 0.65rem 0.75rem; font-size: 0.65rem; }
  .view-body { padding: 0.75rem; }
  .vastu-card-body { padding: 1rem; }
  .score-ring-wrap svg { width: 120px; height: 120px; }
  .mini-stats { grid-template-columns: 1fr 1fr; }
  .mini-stat-val { font-size: 1.1rem; }
  .action-btns { grid-template-columns: 1fr 1fr; }
  .results-section { padding: 0 1.25rem 3rem; }
  .results-page-inner { padding: 76px 1.25rem 2.5rem; }
  .results-h1 { font-size: 1.75rem; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
  .kpi-value { font-size: 1.35rem; }
  .bar-row { gap: 0.5rem; }
  .bar-label { width: 110px; font-size: 0.66rem; }
  .room-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table { min-width: 480px; }
  th, td { padding: 0.55rem 0.85rem; font-size: 0.68rem; }
  .result-actions { gap: 6px; }
  .ra-btn { padding: 0.6rem 1rem; font-size: 0.68rem; }
  .ar-page-inner { padding: 76px 1.25rem 2rem; }
  .ar-viewer-header { flex-direction: column; align-items: flex-start; gap: 0.75rem; padding: 0.85rem 1rem; }
  .ar-controls-bar { flex-wrap: wrap; gap: 4px; }
  .ar-ctrl-btn { font-size: 0.6rem; padding: 4px 10px; }
  #ar-canvas { height: 340px !important; }
  .ar-footer { flex-wrap: wrap; gap: 0.5rem 1rem; padding: 0.65rem 1rem; }
  .toast { bottom: 1rem; right: 1rem; left: 1rem; max-width: unset; }
  footer { padding: 1rem 1.25rem; }
  .footer-links { flex-wrap: wrap; gap: 0.75rem; }
  .breadcrumb { font-size: 0.62rem; }
  /* AR overlays */
  .ar2-panel { width: 170px; right: 8px; top: 50px; }
  .ar2-compass { width: 46px; height: 46px; left: 8px; top: 50px; }
  .ar2-minimap { width: 110px; height: 110px; left: 8px; bottom: 44px; }
  .arh-grid { grid-template-columns: auto 1fr; gap: 0.4rem 1rem; font-size: 0.62rem; }
}
@media (max-width: 640px) {
  .lp-hero-inner { padding: 0 1.25rem; }
  .lp-zigzag { padding: 0 1.25rem 4rem; }
  .lp-kf-intro { padding: 4rem 1.25rem 2.5rem; }
  .lp-why-inner { padding: 4rem 1.25rem 3rem; }
  .lp-why-grid { grid-template-columns: 1fr; }
  .lp-hero-badges { gap: 1rem; }
  .lp-badge-num { font-size: 1.5rem; }
  .lp-kf-pills { gap: 6px; }
  .lp-kf-pill { font-size: 0.65rem; padding: 5px 12px; }
  .lp-feat-num { font-size: 3rem; }
  .lp-feat-title { font-size: 1.4rem; }
}
@media (max-width: 600px) {
  .logo-name { font-size: 1rem; }
  nav { padding-left: 0.5rem; }
  .nav-btn { padding: 5px 6px; font-size: 0.62rem; }
  .hero-inner { padding: 0 1rem; }
  .hero-h1 { font-size: clamp(1.8rem, 8vw, 2.4rem); }
  .hero-stats { flex-wrap: wrap; gap: 1rem; }
  .stat-divider { display: none; }
  .facing-grid { grid-template-columns: repeat(2, 1fr); }
  .facing-btn { padding: 0.6rem 0.5rem; }
  .panel-header { padding: 1rem; }
  .panel-footer { padding: 0.6rem 1rem; flex-direction: column; align-items: flex-start; gap: 4px; }
  .score-ring-wrap svg { width: 110px; height: 110px; }
  .kpi-grid { grid-template-columns: 1fr 1fr; gap: 0.6rem; }
  .kpi-card { padding: 1rem 0.75rem; }
  .kpi-value { font-size: 1.2rem; }
  .breakdown-section { padding: 1.25rem 1rem; }
  .bar-label { width: 90px; font-size: 0.62rem; }
  .bar-pct { font-size: 0.62rem; width: 28px; }
  th, td { padding: 0.5rem 0.65rem; font-size: 0.64rem; }
  #ar-canvas { height: 280px !important; }
  .action-btn { font-size: 0.62rem; padding: 0.5rem 0.35rem; }
  .action-btn-full { font-size: 0.65rem; }
  .result-actions { flex-direction: column; }
  .ra-btn { width: 100%; justify-content: center; }
  .controls-hint { gap: 8px; }
  .ctrl { font-size: 0.58rem; }
}
@media (max-width: 500px) {
  .ar2-minimap { display: none; }
  .ar2-panel { width: 155px; }
}
@media (max-width: 400px) {
  header { padding: 0 0.75rem; }
  .logo-mark { width: 28px; height: 28px; }
  .logo-name { font-size: 0.9rem; }
  nav { padding-left: 0.35rem; }
  .nav-btn { padding: 5px 5px; font-size: 0.6rem; }
  .theme-toggle { width: 28px; height: 28px; margin-left: 4px; }
  .hero-inner { padding: 0 0.75rem; }
  .hero-h1 { font-size: 1.7rem; }
  .hero-sub { font-size: 0.85rem; }
  .pill-item { font-size: 0.58rem; padding: 3px 8px; }
  .panel-body { padding: 1rem 0.85rem; }
  .btn-generate { font-size: 0.74rem; padding: 0.8rem; }
  .kpi-grid { grid-template-columns: 1fr; }
  .mini-stats { grid-template-columns: 1fr; }
  .results-page-inner { padding: 72px 0.75rem 2rem; }
  .ar-page-inner { padding: 72px 0.75rem 1.5rem; }
  footer { padding: 0.85rem 0.75rem; }
}

/* ════════════════════════════════════════════════════════════════
   AR PAGE — Two-column layout with keyboard shortcuts sidebar
════════════════════════════════════════════════════════════════ */

/* Grid: canvas takes remaining space, sidebar is fixed width */
.ar-layout-grid {
  display: grid;
  grid-template-columns: 1fr 240px; 
  gap: 1.25rem;
  align-items: start;
}

/* Viewer fills its column naturally */
.ar-layout-grid .ar-viewer {
  min-width: 0; /* prevent overflow */
}

/* ── Shortcuts Sidebar ── */
.ar-shortcuts-sidebar {
  background: var(--bg-overlay);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: sticky;
  top: 80px; /* stick below fixed header */
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  transition: background var(--theme-transition), border-color var(--theme-transition);
  scrollbar-width: thin;
}
.ar-shortcuts-sidebar::-webkit-scrollbar { width: 3px; }
.ar-shortcuts-sidebar::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 2px; }

/* Header */
.ar-sc-header {
  padding: 1rem 1.1rem 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-elevated);
  position: sticky; top: 0; z-index: 1;
  transition: background var(--theme-transition), border-color var(--theme-transition);
}
.ar-sc-icon {
  font-size: 1rem;
  opacity: 0.8;
}
.ar-sc-title {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan-400);
  transition: color var(--theme-transition);
}

/* Section */
.ar-sc-section {
  padding: 0.75rem 1.1rem 0.65rem;
}
.ar-sc-section-label {
  font-family: var(--ff-mono);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-veryfaint);
  margin-bottom: 0.55rem;
  transition: color var(--theme-transition);
}

/* Shortcut row */
.ar-sc-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 4px 0;
}
.ar-sc-row kbd {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  padding: 2px 7px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-bottom-width: 2px;
  border-radius: 3px;
  color: var(--cyan-300);
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 28px;
  text-align: center;
  letter-spacing: 0.04em;
  transition: all var(--theme-transition);
}
[data-theme="light"] .ar-sc-row kbd {
  color: var(--cyan-400);
  background: var(--bg-input);
  border-color: var(--border-mid);
}
.ar-sc-row span {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  text-align: right;
  flex: 1;
  letter-spacing: 0.03em;
  transition: color var(--theme-transition);
}

/* Mouse/touch rows (icon left, desc right) */
.ar-sc-mouse { justify-content: space-between; }
.ar-sc-mouse-icon {
  font-family: var(--ff-mono);
  font-size: 0.64rem;
  color: var(--text-faint);
  white-space: nowrap;
  flex-shrink: 0;
  transition: color var(--theme-transition);
}

/* Divider */
.ar-sc-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 0 1.1rem;
  transition: background var(--theme-transition);
}

/* Tip at bottom */
.ar-sc-tip {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  padding: 0.75rem 1.1rem 1rem;
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  line-height: 1.55;
  color: var(--text-veryfaint);
  background: var(--bg-overlay-lt);
  border-top: 1px solid var(--border-subtle);
  transition: all var(--theme-transition);
}
.ar-sc-tip-icon { font-size: 0.85rem; flex-shrink: 0; opacity: 0.7; }

/* ── Responsive: collapse sidebar on small screens ── */
@media (max-width: 900px) {
  .ar-layout-grid {
    grid-template-columns: 1fr;
  }
  .ar-shortcuts-sidebar {
    position: static;
    max-height: none;
  }
  /* On mobile: show shortcuts as a horizontal scrollable row */
  .ar-sc-section { padding: 0.6rem 1rem; }
  .ar-sc-tip { padding: 0.6rem 1rem; }
}

@media (max-width: 1100px) {
  .ar-layout-grid {
    grid-template-columns: 1fr 200px;
  }
}

@media (max-width: 1300px) {
  .ar-layout-grid {
    grid-template-columns: 1fr 220px;
  }
}

/* ════════════════════════════════════════════════════════════════
   AR PAGE — Two-column layout with keyboard shortcuts sidebar
════════════════════════════════════════════════════════════════ */

.ar-layout-grid {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 1.25rem;
  align-items: start;
}

.ar-layout-grid .ar-viewer {
  min-width: 0;
}

/* ── Shortcuts Sidebar ── */
.ar-shortcuts-sidebar {
  background: var(--bg-overlay);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  transition: background var(--theme-transition), border-color var(--theme-transition);
  scrollbar-width: thin;
}
.ar-shortcuts-sidebar::-webkit-scrollbar { width: 3px; }
.ar-shortcuts-sidebar::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 2px; }

/* Header — clickable on mobile */
.ar-sc-header {
  padding: 1rem 1.1rem 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elevated);
  position: sticky;
  top: 0;
  z-index: 1;
  transition: background var(--theme-transition), border-color var(--theme-transition);
}

.ar-sc-icon  { font-size: 1rem; opacity: 0.8; }
.ar-sc-title {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan-400);
  flex: 1;
  transition: color var(--theme-transition);
}

/* Chevron — hidden on desktop, shown on mobile */
.ar-sc-chevron {
  display: none;
  font-size: 0.65rem;
  color: var(--text-faint);
  transition: transform 0.25s ease, color var(--theme-transition);
  flex-shrink: 0;
}

/* Collapsible body */
.ar-sc-body {
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4,0,0.2,1),
              opacity 0.25s ease;
  max-height: 2000px; /* open by default */
  opacity: 1;
}
.ar-sc-body.ar-sc-collapsed {
  max-height: 0;
  opacity: 0;
}

/* Section */
.ar-sc-section         { padding: 0.75rem 1.1rem 0.65rem; }
.ar-sc-section-label   {
  font-family: var(--ff-mono);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-veryfaint);
  margin-bottom: 0.55rem;
  transition: color var(--theme-transition);
}

/* Shortcut row */
.ar-sc-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 4px 0;
}
.ar-sc-row kbd {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  padding: 2px 7px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-bottom-width: 2px;
  border-radius: 3px;
  color: var(--cyan-300);
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 28px;
  text-align: center;
  letter-spacing: 0.04em;
  transition: all var(--theme-transition);
}
[data-theme="light"] .ar-sc-row kbd {
  color: var(--cyan-400);
  background: var(--bg-input);
  border-color: var(--border-mid);
}
.ar-sc-row span {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  text-align: right;
  flex: 1;
  letter-spacing: 0.03em;
  transition: color var(--theme-transition);
}

.ar-sc-mouse           { justify-content: space-between; }
.ar-sc-mouse-icon {
  font-family: var(--ff-mono);
  font-size: 0.64rem;
  color: var(--text-faint);
  white-space: nowrap;
  flex-shrink: 0;
  transition: color var(--theme-transition);
}

.ar-sc-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 0 1.1rem;
  transition: background var(--theme-transition);
}

.ar-sc-tip {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  padding: 0.75rem 1.1rem 1rem;
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  line-height: 1.55;
  color: var(--text-veryfaint);
  background: var(--bg-overlay-lt);
  border-top: 1px solid var(--border-subtle);
  transition: all var(--theme-transition);
}
.ar-sc-tip-icon { font-size: 0.85rem; flex-shrink: 0; opacity: 0.7; }

/* ── Tablet: 1024px ── */
@media (max-width: 1300px) {
  .ar-layout-grid { grid-template-columns: 1fr 220px; }
}
@media (max-width: 1100px) {
  .ar-layout-grid { grid-template-columns: 1fr 200px; }
}

/* ── Tablet / Mobile: collapse into stacked layout ── */
@media (max-width: 900px) {
  .ar-layout-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  /* Sidebar loses sticky, becomes full-width card below viewer */
  .ar-shortcuts-sidebar {
    position: static;
    max-height: none;
    overflow: visible;
  }

  /* Show chevron toggle indicator */
  .ar-sc-chevron { display: block; }

  /* Header becomes a tappable toggle button */
  .ar-sc-header {
    cursor: pointer;
    user-select: none;
    border-bottom: none; /* no border when collapsed */
  }
  .ar-sc-header:hover { background: var(--bg-overlay-lt); }

  /* On mobile: collapsed by default — JS toggles open */
  .ar-sc-body { max-height: 0; opacity: 0; }
  .ar-sc-body.ar-sc-open {
    max-height: 1200px;
    opacity: 1;
    border-top: 1px solid var(--border-subtle);
  }

  /* Chevron rotates when open */
  .ar-sc-body.ar-sc-open ~ * { display: none; } /* safety */
  .ar-shortcuts-sidebar.ar-sc-expanded .ar-sc-chevron {
    transform: rotate(180deg);
  }
  .ar-shortcuts-sidebar.ar-sc-expanded .ar-sc-header {
    border-bottom: 1px solid var(--border-subtle);
  }

  /* Tighter section padding on mobile */
  .ar-sc-section { padding: 0.6rem 1rem 0.5rem; }
  .ar-sc-tip     { padding: 0.6rem 1rem 0.75rem; }
  .ar-sc-divider { margin: 0 1rem; }
}

/* ── Small mobile ── */
@media (max-width: 600px) {
  .ar-layout-grid { gap: 0.5rem; }
  .ar-sc-header   { padding: 0.85rem 1rem; }
  .ar-sc-section  { padding: 0.5rem 0.85rem; }
  .ar-sc-tip      { padding: 0.5rem 0.85rem 0.65rem; font-size: 0.58rem; }
  .ar-sc-row kbd  { font-size: 0.6rem; min-width: 24px; }
  .ar-sc-row span { font-size: 0.62rem; }
}

/* ════════════════════════════════════════════════════════════════
   STUDIO INLINE 3D HOUSE PLANS  (.s3d-*)
   Revealed below results section when "Launch Immersive 3D" clicked
════════════════════════════════════════════════════════════════ */

/* Outer wrapper — full width within results-section max-width */
.s3d-section {
  margin-top: 2rem;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-overlay);
  box-shadow: var(--shadow-card);
  transition: background var(--theme-transition), border-color var(--theme-transition);
}

/* ── Header row ── */
.s3d-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding: 1.75rem 2rem 1.5rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
  transition: background var(--theme-transition), border-color var(--theme-transition);
}
.s3d-header::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--cyan-400), var(--gold-400), var(--cyan-400));
  opacity: 0.8;
}

.s3d-header-left { flex: 1; min-width: 0; }
.s3d-eyebrow {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-400);
  margin-bottom: 0.5rem;
  transition: color var(--theme-transition);
}
.s3d-title {
  font-family: var(--ff-display);
  font-size: 1.75rem;
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: 0.4rem;
  transition: color var(--theme-transition);
}
.s3d-title em { font-style: italic; color: var(--gold-300); }
[data-theme="light"] .s3d-title em { color: var(--gold-500); }
.s3d-sub {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  color: var(--text-faint);
  letter-spacing: 0.04em;
  transition: color var(--theme-transition);
}

.s3d-header-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* Meta pills strip */
.s3d-meta-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}
.s3d-pill {
  font-family: var(--ff-mono);
  font-size: 0.63rem;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 2px;
  padding: 3px 9px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: all var(--theme-transition);
}

.s3d-header-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* ── 3-column canvases ── */
.s3d-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-bottom: 1px solid var(--border-subtle);
}

/* Individual canvas card */
.s3d-card {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-subtle);
  transition: border-color var(--theme-transition);
}
.s3d-card:last-child { border-right: none; }

/* Card header strip */
.s3d-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0.65rem 0.9rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--theme-transition), border-color var(--theme-transition);
}
.s3d-card-badge {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gold-300);
  flex-shrink: 0;
  transition: color var(--theme-transition);
}
[data-theme="light"] .s3d-card-badge { color: var(--gold-500); }
.s3d-card-label {
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  color: var(--text-veryfaint);
  letter-spacing: 0.05em;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--theme-transition);
}
.s3d-ar-btn {
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  padding: 2px 8px;
  background: rgba(56,189,248,0.08);
  border: 1px solid rgba(56,189,248,0.25);
  border-radius: 2px;
  color: var(--cyan-400);
  cursor: pointer;
  flex-shrink: 0;
  letter-spacing: 0.04em;
  transition: all 0.2s;
  white-space: nowrap;
}
.s3d-ar-btn:hover {
  background: rgba(56,189,248,0.18);
  box-shadow: 0 0 12px rgba(56,189,248,0.15);
}
[data-theme="light"] .s3d-ar-btn { background: rgba(10,40,80,0.06); border-color: rgba(10,40,80,0.2); }
[data-theme="light"] .s3d-ar-btn:hover { background: rgba(10,40,80,0.12); }

/* Canvas area */
.s3d-canvas-wrap {
  position: relative;
  background: #c2ddf0;
  overflow: hidden;
  cursor: grab;
  flex: 1;
}
.s3d-canvas-wrap:active { cursor: grabbing; }
.s3d-canvas-wrap canvas {
  display: block;
  width: 100%;
  height: 320px;
}

/* Card footer */
.s3d-card-footer {
  padding: 0.6rem 0.9rem;
  background: var(--bg-card);
  border-top: 1px solid var(--border-subtle);
  transition: background var(--theme-transition), border-color var(--theme-transition);
}
.s3d-style-desc {
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  color: var(--text-faint);
  letter-spacing: 0.04em;
  line-height: 1.55;
  transition: color var(--theme-transition);
}

/* Footer note */
.s3d-footer-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 1rem 2rem;
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  color: var(--text-veryfaint);
  line-height: 1.6;
  letter-spacing: 0.03em;
  transition: color var(--theme-transition);
}
.s3d-footer-note strong { color: var(--text-muted); }
.s3d-note-icon { font-size: 0.9rem; flex-shrink: 0; opacity: 0.75; margin-top: 1px; }

/* ── Responsive ── */
@media (max-width: 1000px) {
  .s3d-grid { grid-template-columns: 1fr 1fr; }
  .s3d-card:nth-child(2) { border-right: none; }
  .s3d-card:nth-child(3) {
    grid-column: 1 / -1;
    border-right: none;
    border-top: 1px solid var(--border-subtle);
  }
  .s3d-card:nth-child(3) .s3d-canvas-wrap canvas { height: 260px; }
}
@media (max-width: 700px) {
  .s3d-header { padding: 1.25rem 1.25rem 1rem; }
  .s3d-header-right { align-items: flex-start; width: 100%; }
  .s3d-meta-pills { justify-content: flex-start; }
  .s3d-grid { grid-template-columns: 1fr; }
  .s3d-card { border-right: none; border-top: 1px solid var(--border-subtle); }
  .s3d-card:first-child { border-top: none; }
  .s3d-card:nth-child(2) { border-right: none; }
  .s3d-card:nth-child(3) { grid-column: auto; }
  .s3d-canvas-wrap canvas { height: 260px; }
  .s3d-footer-note { padding: 0.85rem 1.25rem; font-size: 0.6rem; }
  .s3d-title { font-size: 1.4rem; }
}

/* ════════════════════════════════════════════════════════════════
   PDF EXPORT MODAL
════════════════════════════════════════════════════════════════ */

/* ── Backdrop + dialog wrapper ── */
.pdf-modal {
  position: fixed;
  inset: 0;
  z-index: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  pointer-events: none;
}
.pdf-modal.pdf-modal-visible { pointer-events: auto; }

.pdf-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 0;
}
.pdf-modal-visible .pdf-modal-backdrop { opacity: 1; }

/* ── Dialog card ── */
.pdf-modal-dialog {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 760px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(56, 189, 248, 0.08);
  opacity: 0;
  transform: translateY(20px) scale(0.97);
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.pdf-modal-visible .pdf-modal-dialog {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Top accent line */
.pdf-modal-dialog::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan-400), var(--gold-400), var(--cyan-400));
  opacity: 0.85;
  z-index: 1;
}

/* ════════════════════════════════════════════════════════════════
   HAMBURGER NAV  — mobile / tablet
   Uses #main-nav ID (high specificity) → overrides existing
   .nav-btn responsive rules without deleting them.
════════════════════════════════════════════════════════════════ */

/* ── Hamburger button ── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  padding: 0;
  margin-left: 0.5rem;
  flex-shrink: 0;
  background: var(--toggle-bg);
  border: 1px solid var(--toggle-border);
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
  position: relative;
  z-index: 102;
}
.hamburger:hover {
  background: var(--toggle-hover);
  box-shadow: 0 0 14px rgba(201,150,42,0.20);
}

/* 3 lines */
.ham-line {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: transform 0.32s cubic-bezier(0.4,0,0.2,1),
              opacity   0.22s ease,
              background 0.2s;
}
.hamburger:hover .ham-line { background: var(--gold-300); }

/* Lines → X when open */
.hamburger.ham-open .ham-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.hamburger.ham-open .ham-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.ham-open .ham-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ── Backdrop ── */
.mob-nav-backdrop {
  position: fixed;
  inset: 0;
  top: 64px;
  background: rgba(0, 0, 0, 0.52);
  backdrop-filter: blur(3px);
  z-index: 98;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.mob-nav-backdrop.mob-open {
  opacity: 1;
  pointer-events: auto;
}

/* ── Mobile nav dropdown ── */
@media (max-width: 900px) {

  /* Show hamburger */
  .hamburger { display: flex; }

  /* Override: hide the border-left separator look */
  #main-nav {
    /* detach from header flow → full-width dropdown */
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    z-index: 99;

    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0;
    border-left: none;

    background: var(--bg-header);
    backdrop-filter: blur(28px) saturate(200%);
    border-bottom: 2px solid rgba(201,150,42,0.35);
    box-shadow: 0 12px 40px rgba(0,0,0,0.35);

    /* hidden state */
    transform: translateY(-6px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.32s cubic-bezier(0.4,0,0.2,1),
                opacity   0.26s ease;

    /* gold top accent line */
    border-top: 1px solid rgba(201,150,42,0.25);
  }

  /* open state (toggled by JS) */
  #main-nav.mob-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  /* Nav buttons — touch-friendly, full width */
  #main-nav .nav-btn {
    width: 100%;
    padding: 1rem 1.75rem;
    font-size: 0.82rem;
    letter-spacing: 0.1em;
    text-align: left;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-subtle);
    border-radius: 0;
    transition: background 0.18s, color 0.18s, padding-left 0.18s;
  }
  #main-nav .nav-btn:last-child {
    border-bottom: none;
  }
  #main-nav .nav-btn:hover {
    background: var(--bg-overlay-lt);
    color: var(--text-body);
    padding-left: 2rem; /* nudge on hover */
  }
  #main-nav .nav-btn.active {
    color: var(--gold-300);
    background: rgba(201,150,42,0.07);
    padding-left: 2rem;
  }
  [data-theme="light"] #main-nav .nav-btn.active {
    color: var(--gold-500);
    background: rgba(201,150,42,0.06);
  }
  /* remove underline indicator — not needed in dropdown */
  #main-nav .nav-btn.active::after { display: none; }

  /* stagger slide-in animation per item */
  #main-nav.mob-open .nav-btn:nth-child(1) { animation: mobNavSlide 0.22s ease 0.04s both; }
  #main-nav.mob-open .nav-btn:nth-child(2) { animation: mobNavSlide 0.22s ease 0.09s both; }
  #main-nav.mob-open .nav-btn:nth-child(3) { animation: mobNavSlide 0.22s ease 0.14s both; }
  #main-nav.mob-open .nav-btn:nth-child(4) { animation: mobNavSlide 0.22s ease 0.19s both; }

  @keyframes mobNavSlide {
    from { opacity: 0; transform: translateX(-14px); }
    to   { opacity: 1; transform: translateX(0); }
  }

  /* keep header tidy — logo still far left, controls far right */
  header {
    padding: 0 1.25rem;
  }
}

/* ── Very small mobile ── */
@media (max-width: 480px) {
  #main-nav .nav-btn {
    padding: 0.95rem 1.25rem;
    font-size: 0.78rem;
  }
  #main-nav .nav-btn:hover,
  #main-nav .nav-btn.active {
    padding-left: 1.6rem;
  }
}

/* ── Desktop: hamburger stays hidden, backdrop never shows ── */
@media (min-width: 901px) {
  .hamburger        { display: none !important; }
  .mob-nav-backdrop { display: none !important; }
  /* ensure nav is never stuck in fixed position on desktop */
  #main-nav {
    position: static !important;
    flex-direction: row !important;
    transform: none !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    padding-left: 1.5rem !important;
    border-left: 1px solid var(--border-subtle) !important;
    gap: 4px !important;
  }
}

/* ── Header ── */
.pdf-modal-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.1rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  flex-shrink: 0;
  transition: background var(--theme-transition), border-color var(--theme-transition);
}
.pdf-modal-title {
  font-family: var(--ff-display);
  font-size: 1.1rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  transition: color var(--theme-transition);
}
.pdf-modal-icon { font-size: 1.1rem; }
.pdf-modal-meta {
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  color: var(--text-veryfaint);
  letter-spacing: 0.05em;
  white-space: nowrap;
  transition: color var(--theme-transition);
}
.pdf-modal-close {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-faint);
  font-size: 0.8rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s;
}
.pdf-modal-close:hover {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.35);
  color: #f87171;
}

/* ── Preview area ── */
.pdf-preview-wrap {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem 1.5rem;
  background: var(--bg-base);
  min-height: 0;
  transition: background var(--theme-transition);
}
.pdf-preview-pages {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
}
.pdf-preview-loading {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 2.5rem;
  font-family: var(--ff-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
  letter-spacing: 0.06em;
}
.pdf-spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--border-subtle);
  border-top-color: var(--cyan-400);
  border-right-color: var(--gold-400);
  border-radius: 50%;
  animation: rotate 0.9s linear infinite;
  flex-shrink: 0;
}
.pdf-page-thumb {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.pdf-page-thumb canvas {
  display: block;
  border-radius: 3px;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  max-width: 100%;
}
.pdf-page-label {
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  color: var(--text-veryfaint);
  letter-spacing: 0.08em;
  transition: color var(--theme-transition);
}

/* ── Options row ── */
.pdf-options-row {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  padding: 0.85rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  flex-shrink: 0;
  transition: background var(--theme-transition), border-color var(--theme-transition);
}
.pdf-option-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}
.pdf-opt-label {
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-veryfaint);
  transition: color var(--theme-transition);
}
.pdf-check-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  user-select: none;
  transition: color 0.2s;
}
.pdf-check-wrap:hover { color: var(--text-body); }
.pdf-check-wrap input[type="checkbox"] {
  width: 14px; height: 14px;
  accent-color: var(--cyan-400);
  cursor: pointer;
}
.pdf-checkmark { display: none; } /* native checkbox used */

.pdf-select {
  padding: 4px 28px 4px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: 2px;
  color: var(--text-secondary);
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
  background-repeat: no-repeat;
  background-position: right 8px center;
  transition: all 0.2s;
}
[data-theme="dark"] .pdf-select,
:root:not([data-theme="light"]) .pdf-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2338bdf8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
}
[data-theme="light"] .pdf-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%231a7cc5' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
}
.pdf-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.06);
}
.pdf-select option { background: var(--bg-elevated); }

/* ── Footer buttons ── */
.pdf-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 0.9rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  flex-shrink: 0;
  transition: background var(--theme-transition), border-color var(--theme-transition);
}
.pdf-btn-secondary {
  padding: 0.6rem 1.25rem;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: 2px;
  color: var(--text-muted);
  font-family: var(--ff-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all 0.2s;
}
.pdf-btn-secondary:hover {
  border-color: var(--border-mid);
  color: var(--text-body);
  background: var(--bg-overlay-lt);
}
.pdf-btn-primary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0.65rem 1.5rem;
  background: linear-gradient(135deg, var(--gold-500) 0%, var(--gold-400) 50%, var(--gold-500) 100%);
  background-size: 200% 100%;
  border: none;
  border-radius: 2px;
  color: #0a0e16;
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.35s;
  position: relative;
  overflow: hidden;
}
.pdf-btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.18), transparent 60%);
  opacity: 0;
  transition: opacity 0.2s;
}
.pdf-btn-primary:hover {
  background-position: 100% 0;
  box-shadow: var(--shadow-gold), var(--shadow-btn);
  transform: translateY(-1px);
}
.pdf-btn-primary:hover::before { opacity: 1; }
.pdf-btn-primary:active { transform: translateY(0); }
.pdf-btn-primary:disabled {
  opacity: 0.6;
  pointer-events: none;
}
.pdf-btn-icon { font-size: 0.9rem; }

/* ── Light mode adjustments ── */
[data-theme="light"] .pdf-modal-dialog {
  box-shadow: 0 16px 48px rgba(10, 40, 80, 0.22);
}
[data-theme="light"] .pdf-preview-wrap {
  background: var(--bg-surface);
}
[data-theme="light"] .pdf-page-thumb canvas {
  border-color: var(--border-mid);
  box-shadow: 0 4px 16px rgba(10, 40, 80, 0.12);
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .pdf-modal { padding: 0.5rem; align-items: flex-end; }
  .pdf-modal-dialog {
    max-width: 100%;
    max-height: 92vh;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    transform: translateY(30px);
    -webkit-transform: translateY(30px);
    -moz-transform: translateY(30px);
    -ms-transform: translateY(30px);
    -o-transform: translateY(30px);
}
  .pdf-modal-visible .pdf-modal-dialog { transform: translateY(0); }
  .pdf-modal-header { padding: 0.85rem 1rem; }
  .pdf-modal-meta { display: none; }
  .pdf-options-row { padding: 0.75rem 1rem; gap: 1rem; }
  .pdf-modal-footer { padding: 0.75rem 1rem; }
  .pdf-preview-wrap { padding: 0.85rem 1rem; }
  .pdf-preview-pages { gap: 0.75rem; }
}

/* ════════════════════════════════════════════════════════════════
   HERO REDESIGN — stats row + eyebrow pulse + floor plan card
   Overrides original lp-hero-badges / lp-badge with higher
   specificity or new class names. No other sections affected.
════════════════════════════════════════════════════════════════ */

/* ── Eyebrow pulse dot (replaces lp-eyebrow-dot) ── */
.lp-eyebrow-pulse {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold-400);
  flex-shrink: 0;
  position: relative;
}
.lp-eyebrow-pulse::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: var(--gold-400);
  opacity: 0.35;
  animation: eyebrowPulse 2s ease-in-out infinite;
}
@keyframes eyebrowPulse {
  0%, 100% { transform: scale(1);   opacity: 0.35; }
  50%       { transform: scale(1.9); opacity: 0;    }
}

/* Eyebrow no longer needs inner dots — override gap */
.lp-eyebrow {
  gap: 10px;
  align-items: center;
}

/* ── Stats row ── */
.lp-stats-row {
  display: flex;
  align-items: stretch;
  margin-bottom: 2.25rem;
  background: var(--bg-overlay);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  overflow: hidden;
  backdrop-filter: blur(16px) saturate(160%);
  box-shadow: 0 2px 20px rgba(0,0,0,0.18);
  transition: background var(--theme-transition), border-color var(--theme-transition);
  position: relative;
}
/* Top accent line */
.lp-stats-row::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-400), var(--gold-400), transparent);
  opacity: 0.6;
}

.lp-stat-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 1.1rem 0.75rem;
  transition: background 0.2s;
}
.lp-stat-item:hover {
  background: var(--bg-overlay-lt);
}

.lp-stat-num {
  font-family: var(--ff-display);
  font-size: 2rem;
  line-height: 1;
  color: var(--text-primary);
  transition: color var(--theme-transition);
}
.lp-stat-accent {
  color: var(--gold-400);
  font-size: 1.3rem;
  vertical-align: top;
  line-height: 1.4;
}
.lp-stat-label {
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  white-space: nowrap;
  transition: color var(--theme-transition);
}

.lp-stat-divider {
  width: 1px;
  background: var(--border-subtle);
  align-self: stretch;
  margin: 0.6rem 0;
  transition: background var(--theme-transition);
}

/* ── Floor plan card — improved ── */

/* Override existing lp-floorplan-wrap */
.lp-hero-right .lp-floorplan-wrap {
  padding: 0;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--bg-overlay);
  box-shadow:
    var(--shadow-card),
    0 0 60px rgba(56,189,248,0.07),
    0 0 120px rgba(201,150,42,0.05);
  position: relative;
  transition: background var(--theme-transition),
              border-color var(--theme-transition),
              box-shadow var(--theme-transition);
}
.lp-hero-right .lp-floorplan-wrap:hover {
  box-shadow:
    var(--shadow-hover),
    0 0 80px rgba(56,189,248,0.10),
    0 0 140px rgba(201,150,42,0.07);
}

/* Top accent line on card */
.lp-hero-right .lp-floorplan-wrap::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan-400), var(--gold-400), var(--cyan-400));
  opacity: 0.75;
  z-index: 2;
}

/* Corner marks */
.lp-fp-corner {
  position: absolute;
  width: 14px;
  height: 14px;
  z-index: 2;
  pointer-events: none;
}
.lp-fp-corner--tl { top: 8px;  left: 8px;  border-top:  1px solid var(--cyan-400); border-left:  1px solid var(--cyan-400); opacity: 0.6; }
.lp-fp-corner--tr { top: 8px;  right: 8px; border-top:  1px solid var(--cyan-400); border-right: 1px solid var(--cyan-400); opacity: 0.6; }
.lp-fp-corner--bl { bottom: 8px; left: 8px;  border-bottom: 1px solid var(--cyan-400); border-left:  1px solid var(--cyan-400); opacity: 0.6; }
.lp-fp-corner--br { bottom: 8px; right: 8px; border-bottom: 1px solid var(--cyan-400); border-right: 1px solid var(--cyan-400); opacity: 0.6; }

/* Card header strip */
.lp-fp-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0.65rem 1rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--theme-transition), border-color var(--theme-transition);
}
.lp-fp-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 6px #22c55e;
  animation: blink 2.5s ease-in-out infinite;
  flex-shrink: 0;
}
.lp-fp-badge-text {
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-400);
  transition: color var(--theme-transition);
}
.lp-fp-meta {
  margin-left: auto;
  font-family: var(--ff-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  color: var(--text-veryfaint);
  transition: color var(--theme-transition);
}

/* SVG fills card */
.lp-fp-svg {
  display: block;
  width: 100%;
  height: auto;
  padding: 0.75rem;
}

/* Floating rooms badge */
.lp-fp-rooms-badge {
  position: absolute;
  bottom: 14px;
  right: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  padding: 6px 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-gold);
  border-radius: 6px;
  backdrop-filter: blur(12px);
  z-index: 3;
  transition: all var(--theme-transition);
}
.lp-fp-rooms-num {
  font-family: var(--ff-display);
  font-size: 1.1rem;
  color: var(--gold-300);
  line-height: 1;
  transition: color var(--theme-transition);
}
[data-theme="light"] .lp-fp-rooms-num { color: var(--gold-500); }
.lp-fp-rooms-label {
  font-family: var(--ff-mono);
  font-size: 0.52rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-veryfaint);
  transition: color var(--theme-transition);
}

/* ── Responsive overrides (hero only) ── */

/* Tablet */
@media (max-width: 900px) {
  .lp-hero-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  /* Content centered on mobile/tablet */
  .lp-hero-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .lp-h1       { text-align: center; }
  .lp-sub       { text-align: center; max-width: 560px; }
  .lp-trust     { justify-content: center; }
  .lp-eyebrow   { justify-content: center; }
  .lp-cta-btn   { align-self: center; }

  /* Stats row: equal columns, wrap if tiny */
  .lp-stats-row { max-width: 420px; width: 100%; align-self: center; }

  /* Floor plan below content — NO order:-1 */
  .lp-hero-right {
    order: 1;      /* explicitly after left content */
    max-width: 520px;
    margin: 0 auto;
    width: 100%;
  }
}

/* Small mobile */
@media (max-width: 560px) {
  .lp-stat-num   { font-size: 1.6rem; }
  .lp-stat-label { font-size: 0.55rem; }
  .lp-stat-item  { padding: 0.9rem 0.5rem; }
  .lp-stats-row  { max-width: 100%; }
  .lp-fp-meta    { display: none; } /* too cramped */
  .lp-fp-rooms-badge { bottom: 10px; right: 10px; padding: 5px 8px; }
  .lp-fp-rooms-num { font-size: 0.95rem; }
}

/* Very small */
@media (max-width: 380px) {
  .lp-stat-item  { padding: 0.8rem 0.35rem; }
  .lp-stat-num   { font-size: 1.4rem; }
  .lp-stat-label { font-size: 0.5rem; letter-spacing: 0.07em; }
}

/* ════════════════════════════════════════════════════════════════
   STUDIO PAGE — MOBILE UI IMPROVEMENTS
   All rules scoped to ≤900px. Desktop untouched.
════════════════════════════════════════════════════════════════ */
@media (max-width: 900px) {

  /* ── Hero wrapper ── */
  .hero {
    padding: 76px 0 36px;
  }
  .hero-inner {
    padding: 0 1.25rem;
    gap: 2rem;
  }

  /* ── LEFT: content block ── */
  .hero-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0;
  }

  .hero-eyebrow {
    justify-content: center;
    margin-bottom: 1rem;
  }
  .eyebrow-line { width: 20px; }

  .hero-h1 {
    font-size: clamp(2rem, 6.5vw, 3rem);
    margin-bottom: 1rem;
    text-align: center;
  }
  .hero-h1 .line-2 {
    font-size: 72%;
  }

  .hero-sub {
    font-size: 0.9rem;
    line-height: 1.72;
    text-align: center;
    max-width: 100%;
    margin-bottom: 1.75rem;
  }

  /* ── Stats row — evenly spaced single row ── */
  .hero-stats {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    width: 100%;
    max-width: 400px;
    margin-bottom: 1.75rem;
    background: var(--bg-overlay);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
  }
  /* top accent */
  .hero-stats::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan-400), var(--gold-400), transparent);
    opacity: 0.6;
  }

  .stat {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 0.5rem;
    gap: 3px;
  }
  .stat-num {
    font-size: 1.55rem;
    text-align: center;
  }
  .stat-label {
    font-size: 0.55rem;
    letter-spacing: 0.08em;
    text-align: center;
    white-space: nowrap;
  }
  /* replace flex gap with border dividers */
  .stat-divider {
    width: 1px;
    background: var(--border-subtle);
    align-self: stretch;
    margin: 0.5rem 0;
    flex-shrink: 0;
  }

  /* ── Feature pills — clean wrapping ── */
  .hero-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    width: 100%;
    margin-bottom: 0;
  }
  .pill-item {
    font-size: 0.65rem;
    padding: 5px 11px;
    flex-shrink: 0;
  }

  /* ── RIGHT: config panel ── */
  .hero-right {
    width: 100%;
    max-width: 100%;
  }

  .config-panel {
    width: 100%;
    border-radius: 6px;
  }

  .panel-header {
    padding: 1rem 1.25rem;
  }

  .panel-body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  /* inputs — full width, touch-friendly */
  .field-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
    margin-bottom: 0;
  }

  .field-select,
  .field-input {
    height: 44px;
    font-size: 0.82rem;
    padding: 0 2rem 0 0.85rem;
    width: 100%;
  }

  .field-label {
    font-size: 0.62rem;
    margin-bottom: 2px;
  }

  /* Facing buttons — 2×2 grid on tiny, 4 cols on comfortable mobile */
  .facing-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }
  .facing-btn {
    padding: 0.7rem 0.25rem;
    font-size: 0.68rem;
    min-height: 56px;
  }
  .facing-btn .dir-icon {
    font-size: 1.1rem;
  }

  /* custom plot inputs */
  .custom-plot-inputs {
    flex-wrap: wrap;
    gap: 8px;
  }
  .custom-plot-field {
    flex: 1;
    min-width: 80px;
  }
  .custom-dim-input {
    height: 42px;
    font-size: 0.82rem;
  }
  .custom-plot-preview {
    min-width: 64px;
  }

  /* Generate button — large touch target */
  .btn-generate {
    height: 52px;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    border-radius: 4px;
  }

  .panel-footer {
    padding: 0.65rem 1.25rem;
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
  }

  /* ── Results section ── */
  .results-section {
    padding: 0 1.25rem 3rem;
  }

  /* Layout tabs — scroll horizontal, no wrap */
  .layout-tabs {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 2px;
    padding-bottom: 2px;
    scrollbar-width: none;
  }
  .layout-tabs::-webkit-scrollbar { display: none; }

  .layout-tab {
    flex-shrink: 0;
    padding: 0.6rem 1rem;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
  }
  .tab-score {
    font-size: 0.62rem;
    padding: 1px 5px;
  }

  /* Layout tab text — fully visible "Layout 1 · 98%" */
  .layout-tab span { display: inline; }

  /* viz grid — single column */
  .viz-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  /* right col — back to flex column */
  .right-col {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
  }
  .vastu-card { grid-column: unset; }

  /* Vastu ring — smaller */
  .score-ring-wrap svg {
    width: 120px;
    height: 120px;
  }
  .score-main { font-size: 1.9rem; }

  /* mini stats — 2 col */
  .mini-stats {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    margin-top: 0.85rem;
  }
  .mini-stat {
    padding: 0.65rem 0.75rem;
  }
  .mini-stat-val { font-size: 1.1rem; }
  .mini-stat-key { font-size: 0.56rem; }

  /* action buttons grid */
  .action-btns {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }
  .action-btn {
    height: 40px;
    font-size: 0.65rem;
    padding: 0.5rem 0.35rem;
  }
  .action-btn-full {
    height: 44px;
    font-size: 0.7rem;
  }

  /* legend */
  .legend-card {
    padding: 0.85rem 1rem;
  }
  .legend-grid {
    gap: 6px;
  }
  .legend-item {
    font-size: 0.65rem;
  }

  /* section header */
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    margin-bottom: 1.25rem;
  }
  .section-title { font-size: 1.35rem; }
  .section-meta  { font-size: 0.62rem; }
}

/* ── Extra small ≤480px ── */
@media (max-width: 480px) {
  .hero-inner    { padding: 0 1rem; }
  .panel-body    { padding: 1rem; }
  .hero-h1       { font-size: clamp(1.75rem, 7vw, 2.2rem); }
  .stat-num      { font-size: 1.35rem; }
  .stat-label    { font-size: 0.5rem; }
  .facing-grid   { grid-template-columns: repeat(2, 1fr); }
  .facing-btn    { min-height: 50px; }
  .btn-generate  { height: 50px; font-size: 0.8rem; }
  .layout-tab    { padding: 0.55rem 0.75rem; font-size: 0.66rem; }
  .action-btns   { grid-template-columns: 1fr 1fr; }
  .results-section { padding: 0 1rem 2.5rem; }
}

/* ── ≤360px ── */
@media (max-width: 360px) {
  .hero-inner    { padding: 0 0.75rem; }
  .panel-body    { padding: 0.85rem; }
  .field-select,
  .field-input   { font-size: 0.76rem; }
  .action-btn    { font-size: 0.6rem; }
}

/* ════════════════════════════════════════════════════════════════
   RESULTS PAGE — MOBILE UI IMPROVEMENTS  ≤768px
════════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {

  /* ── Page wrapper ── */
  .results-page-inner {
    padding: 76px 1rem 3rem;
  }

  .results-h1 {
    font-size: clamp(1.6rem, 6vw, 2rem);
    margin-bottom: 0.35rem;
    line-height: 1.2;
  }
  .results-sub {
    font-size: 0.68rem;
    line-height: 1.55;
    margin-bottom: 1.75rem;
    word-break: break-word;
  }

  /* ── KPI grid — 2 col, full width cards ── */
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
    margin-bottom: 1.5rem;
  }

  .kpi-card {
    padding: 1rem 0.85rem 0.9rem;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: relative;
    overflow: hidden;
  }
  /* accent top line per card */
  .kpi-card::before {
    opacity: 0.5;
  }

  .kpi-label {
    font-size: 0.56rem;
    letter-spacing: 0.1em;
    margin-bottom: 2px;
  }

  /* Large readable values */
  .kpi-value {
    font-size: 1.6rem;
    line-height: 1.1;
    word-break: break-word;
  }
  .kpi-value .kpi-unit {
    font-size: 0.68rem;
    vertical-align: baseline;
  }

  /* Vastu score card — emphasized */
  .kpi-card:has(#r-vscore) {
    background: linear-gradient(
      135deg,
      rgba(56,189,248,0.06) 0%,
      rgba(201,150,42,0.06) 100%
    );
    border-color: rgba(201,150,42,0.30);
  }
  .kpi-card:has(#r-vscore) .kpi-value {
    font-size: 2rem;
    color: var(--gold-300);
  }
  [data-theme="light"] .kpi-card:has(#r-vscore) .kpi-value {
    color: var(--gold-500);
  }
  .kpi-card:has(#r-vscore) .kpi-label {
    color: var(--text-muted);
  }

  /* Fitness + Space util — smaller accent */
  .kpi-card:has(#r-fit) .kpi-value,
  .kpi-card:has(#r-util) .kpi-value {
    font-size: 1.35rem;
    color: var(--cyan-400);
  }
  [data-theme="light"] .kpi-card:has(#r-fit) .kpi-value,
  [data-theme="light"] .kpi-card:has(#r-util) .kpi-value {
    color: var(--cyan-400);
  }

  /* badge top-right */
  .kpi-badge {
    position: absolute;
    top: 0.6rem;
    right: 0.6rem;
    font-size: 0.5rem;
    padding: 1px 5px;
  }

  /* ── Vastu breakdown ── */
  .breakdown-section {
    padding: 1.1rem 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
  }
  .breakdown-title {
    font-size: 0.65rem;
    margin-bottom: 1rem;
  }

  .bar-row {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    gap: 3px 8px;
    align-items: center;
    margin-bottom: 0.9rem;
  }
  .bar-label {
    font-size: 0.67rem;
    width: auto;
    grid-column: 1;
    grid-row: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .bar-pct {
    font-size: 0.67rem;
    width: auto;
    text-align: right;
    grid-column: 2;
    grid-row: 1;
    color: var(--text-muted);
    flex-shrink: 0;
  }
  .bar-track {
    height: 5px;
    border-radius: 3px;
    grid-column: 1 / -1;
    grid-row: 2;
  }

  /* ── Room table ── */
  .room-table-wrap {
    border-radius: 8px;
    margin-bottom: 1.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .room-table-header {
    font-size: 0.65rem;
    padding: 0.85rem 1rem;
  }
  table {
    min-width: 380px;
    width: 100%;
  }
  th {
    font-size: 0.56rem;
    padding: 0.5rem 0.75rem;
    letter-spacing: 0.08em;
  }
  td {
    font-size: 0.68rem;
    padding: 0.55rem 0.75rem;
  }

  /* ── Result action buttons ── */
  .result-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .ra-btn {
    padding: 0.75rem 0.75rem;
    font-size: 0.7rem;
    justify-content: center;
    text-align: center;
    border-radius: 4px;
    min-height: 46px;
    display: flex;
    align-items: center;
  }
  .ra-btn.primary {
    grid-column: 1 / -1; /* full width for primary */
    min-height: 50px;
    font-size: 0.78rem;
  }

  /* ── No plan hero ── */
  .no-plan-hero {
    padding: 3.5rem 1.5rem;
  }
  .no-plan-icon { font-size: 3rem; }
  .no-plan-text { font-size: 0.78rem; }
  .no-plan-btn  {
    margin-top: 1.25rem;
    padding: 0.65rem 1.5rem;
    font-size: 0.72rem;
    min-height: 44px;
  }
}

/* ── ≤480px ── */
@media (max-width: 480px) {
  .results-page-inner {
    padding: 72px 0.85rem 2.5rem;
  }
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.55rem;
  }
  .kpi-card {
    padding: 0.85rem 0.75rem;
  }
  .kpi-value           { font-size: 1.4rem; }
  .kpi-card:has(#r-vscore) .kpi-value { font-size: 1.75rem; }
  .kpi-card:has(#r-fit) .kpi-value,
  .kpi-card:has(#r-util) .kpi-value   { font-size: 1.2rem; }
  .result-actions { grid-template-columns: 1fr 1fr; gap: 6px; }
  .ra-btn         { font-size: 0.65rem; min-height: 44px; padding: 0.65rem 0.5rem; }
  .ra-btn.primary { font-size: 0.72rem; }
  .bar-label      { font-size: 0.62rem; }
  td              { font-size: 0.63rem; padding: 0.5rem 0.6rem; }
  th              { font-size: 0.52rem; padding: 0.45rem 0.6rem; }
}

/* ── ≤360px ── */
@media (max-width: 360px) {
  .results-page-inner { padding: 70px 0.75rem 2rem; }
  .kpi-value          { font-size: 1.25rem; }
  .kpi-card:has(#r-vscore) .kpi-value { font-size: 1.55rem; }
  .result-actions     { grid-template-columns: 1fr; }
  .ra-btn.primary     { grid-column: auto; }
  .kpi-grid           { gap: 0.45rem; }
}

/* ════════════════════════════════════════════════════════════════
   KEYBOARD SHORTCUTS — always open, left-aligned key+label rows
════════════════════════════════════════════════════════════════ */

/* ── Never collapse on any screen size ── */
.ar-sc-body {
  max-height: none !important;
  opacity: 1 !important;
  overflow: visible !important;
  transition: none !important;
}

/* ── Hide chevron + disable toggle tap everywhere ── */
.ar-sc-chevron   { display: none !important; }
.ar-sc-header    { cursor: default !important; pointer-events: none !important; }

/* ── Show header border always ── */
.ar-sc-header {
  border-bottom: 1px solid var(--border-subtle) !important;
}

/* ── Shortcut row: key LEFT · label RIGHT-of-key, both left of row ── */
.ar-sc-row {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: flex-start !important;   /* both anchored left */
  gap: 10px !important;
  padding: 5px 0 !important;
  min-height: 32px !important;
}

.ar-sc-row kbd {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
  min-width: 30px !important;
  height: 26px !important;
  padding: 0 7px !important;
  font-size: 0.65rem !important;
  border-radius: 4px !important;
  border-bottom-width: 2px !important;
  line-height: 1 !important;
}

.ar-sc-row span {
  flex: unset !important;          /* no longer stretches to fill */
  text-align: left !important;     /* label sits left, next to key */
  font-size: 0.68rem !important;
  color: var(--text-muted) !important;
  letter-spacing: 0.03em !important;
  line-height: 1.4 !important;
  white-space: nowrap !important;
}

/* ── Mouse rows: same left-anchored structure ── */
.ar-sc-mouse {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: flex-start !important;
  gap: 10px !important;
  padding: 5px 0 !important;
  min-height: 32px !important;
}

.ar-sc-mouse-icon {
  flex-shrink: 0 !important;
  min-width: 30px !important;
  font-size: 0.63rem !important;
  color: var(--text-faint) !important;
  display: flex !important;
  align-items: center !important;
}

/* label after mouse icon also left-aligned */
.ar-sc-mouse span {
  text-align: left !important;
  font-size: 0.68rem !important;
  color: var(--text-muted) !important;
}

/* ── Section padding ── */
.ar-sc-section        { padding: 0.7rem 1rem 0.6rem; }
.ar-sc-section-label  { font-size: 0.57rem; letter-spacing: 0.13em; margin-bottom: 0.45rem; }

/* ── Tip ── */
.ar-sc-tip {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  padding: 0.65rem 1rem 0.85rem;
  font-size: 0.61rem;
  line-height: 1.58;
}

/* ── Responsive tweaks ── */
@media (max-width: 480px) {
  .ar-sc-row kbd        { min-width: 26px; height: 24px; font-size: 0.61rem; }
  .ar-sc-row span       { font-size: 0.64rem; }
  .ar-sc-mouse-icon     { min-width: 26px; font-size: 0.6rem; }
  .ar-sc-mouse span     { font-size: 0.64rem; }
  .ar-sc-section        { padding: 0.6rem 0.85rem 0.5rem; }
  .ar-sc-tip            { padding: 0.55rem 0.85rem 0.7rem; }
}

@media (max-width: 360px) {
  .ar-sc-row kbd        { min-width: 24px; font-size: 0.58rem; padding: 0 5px; }
  .ar-sc-row span       { font-size: 0.6rem; }
  .ar-sc-section        { padding: 0.5rem 0.75rem; }
}