/* ============================================
   GOSIGHT P1 Landing Page - Design System
   Reference: Flow Studio dark immersive style
   ============================================ */

:root {
  --bg-deep: #0A0E14;
  --bg-panel: #0F1419;
  --bg-elevated: #141B23;
  --accent: #D9AE6E;
  --accent-dim: rgba(217, 174, 110, 0.14);
  --accent-glow: rgba(217, 174, 110, 0.35);
  --text-primary: #F0F2F5;
  --text-secondary: #8B95A5;
  --text-muted: #4A5568;
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(217, 174, 110, 0.32);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--accent-dim);
  color: var(--accent);
}

/* Starfield Canvas */
#starfield {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* Embers Canvas (Fire Thief) */
#embers {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 2;
  pointer-events: none;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.5s var(--transition);
}

.nav.scrolled {
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text-primary);
  text-decoration: none;
  position: relative;
}

.nav-logo::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.4s var(--transition);
}

.nav-logo:hover::after { width: 100%; }

.nav-links {
  display: flex;
  gap: 36px;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-decoration: none;
  position: relative;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 50%;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent);
  transform: translateX(-50%) scale(0);
  transition: transform 0.3s var(--transition);
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link:hover::after {
  transform: translateX(-50%) scale(1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(10, 14, 20, 0.97);
  backdrop-filter: blur(30px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-link {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.3s ease;
}

.mobile-link:hover { color: var(--accent); }

/* ============================================
   Buttons
   ============================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  background: var(--accent);
  color: var(--bg-deep);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-decoration: none;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.4s var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.6s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(217, 174, 110, 0.22);
}

.btn-primary:hover::before { left: 100%; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.4s var(--transition);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.btn-full { width: 100%; }
.btn-large { padding: 18px 48px; font-size: 1rem; }

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 120px 48px 80px;
  max-width: 1400px;
  margin: 0 auto;
  z-index: 1;
  gap: 60px;
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

/* Fire Thief Eyebrow */
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.9s var(--transition) 0.15s, transform 0.9s var(--transition) 0.15s;
}

body.lines-in .hero-eyebrow {
  opacity: 1;
  transform: translateY(0);
}

.fire-spark {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow), 0 0 24px var(--accent-glow);
  animation: sparkPulse 2.4s ease-in-out infinite;
}

@keyframes sparkPulse {
  0%, 100% { transform: scale(1); opacity: 1; box-shadow: 0 0 12px var(--accent-glow); }
  50% { transform: scale(1.35); opacity: 0.7; box-shadow: 0 0 20px var(--accent-glow), 0 0 40px var(--accent-glow); }
}

.eyebrow-text {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* Line Mask Reveal (silky entrance, transition-based with no-js fallback) */
.line-mask {
  display: block;
  overflow: hidden;
}

.line-inner {
  display: block;
  transform: translateY(115%);
  transition: transform 1.1s var(--transition);
}

body.lines-in .line-inner { transform: translateY(0); }
body.lines-in .line-inner-accent { transition-delay: 0.2s; }

/* no-js / static fallback: content always visible */
.no-js .line-inner,
.no-js .hero-eyebrow,
.no-js .reveal-up,
.no-js .reveal-scale {
  transform: none;
  opacity: 1;
  animation: none;
}

/* static acceptance mode (?static=1) */
.no-anim *,
.no-anim *::before,
.no-anim *::after {
  animation: none !important;
  transition: none !important;
}
.no-anim .line-inner { transform: none; }
.no-anim .hero-eyebrow { opacity: 1; }
.no-anim .reveal-up, .no-anim .reveal-scale { opacity: 1; transform: none; }
html.shot .hero { min-height: 900px; }
html.shot .story-screen { min-height: 680px; }

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 44px;
}

.tag-line {
  display: block;
  width: 40px; height: 1px;
  background: var(--accent);
}

.tag-text {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-title .line-inner {
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle .line-inner-accent {
  color: var(--accent);
  -webkit-text-fill-color: var(--accent);
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 300;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 480px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  flex: 1;
  max-width: 480px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Hero model photo card */
.hero-photo-wrap {
  position: relative;
  width: 100%;
  max-width: 400px;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 40px 100px rgba(0,0,0,0.6), 0 0 80px rgba(217,174,110,0.10);
  border: 1px solid rgba(255,255,255,0.08);
  transform: translateY(0);
  transition: transform 0.6s var(--transition);
}

.hero-photo-wrap:hover { transform: translateY(-6px); }

.hero-photo {
  width: 100%;
  height: auto;
  display: block;
}

.hero-photo-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(200deg, rgba(217,174,110,0.10) 0%, transparent 30%),
    linear-gradient(to top, rgba(10,14,20,0.85) 0%, transparent 35%);
  pointer-events: none;
}

.hero-photo-caption {
  position: absolute;
  bottom: 22px;
  left: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.caption-line {
  display: block;
  width: 28px; height: 1px;
  background: var(--accent);
}

.hero-glow {
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  filter: blur(60px);
  opacity: 0.6;
  z-index: -1;
  animation: pulse 4s ease-in-out infinite;
}

/* Fire Core — the stolen flame beneath the product */
.hero-fire-core {
  position: absolute;
  bottom: 12%;
  left: 50%;
  transform: translateX(-50%);
  width: 140px; height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 60%, rgba(217,174,110,0.45) 0%, rgba(217,174,110,0.16) 40%, transparent 70%);
  filter: blur(28px);
  z-index: -1;
  animation: fireBreath 3.2s ease-in-out infinite;
}

.hero-fire-core::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 46px; height: 46px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,244,214,0.9) 0%, rgba(217,174,110,0.45) 55%, transparent 75%);
  filter: blur(10px);
}

@keyframes fireBreath {
  0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.75; }
  50% { transform: translateX(-50%) scale(1.18); opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.1); }
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================
   Marquee
   ============================================ */
.marquee {
  position: relative;
  z-index: 1;
  padding: 20px 0;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 40px;
  white-space: nowrap;
  animation: marquee 30s linear infinite;
}

.marquee-track span {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.marquee-dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
  margin-bottom: 64px;
}

.section-num {
  display: block;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.045em;
  transition: letter-spacing 1.4s var(--transition);
}

.section-header.visible .section-title,
.no-anim .section-title {
  letter-spacing: -0.02em;
}

/* ============================================
   Concept Section
   ============================================ */
.concept {
  position: relative;
  z-index: 1;
  padding: 140px 0;
}

.concept-story-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 80px;
}

.concept-story {
  max-width: 720px;
}

.story-lead {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 500;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.story-lead em {
  color: var(--accent);
  font-style: normal;
}

.story-body {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

/* Totem visual */
.concept-story-visual {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 40px 100px rgba(0,0,0,0.55);
}

.story-totem {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 1.2s var(--transition);
}

.concept-story-visual:hover .story-totem {
  transform: scale(1.04);
}

.totem-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 40px 24px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: linear-gradient(to top, rgba(10,14,20,0.9), transparent);
}

.totem-caption .caption-num {
  color: var(--accent);
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

.phil-card {
  height: 340px;
  perspective: 1400px;
  cursor: pointer;
}

.phil-card-inner {
  position: relative;
  width: 100%; height: 100%;
  transition: transform 0.8s var(--transition);
  transform-style: preserve-3d;
}

.phil-card:hover .phil-card-inner {
  transform: rotateY(180deg);
}

.phil-card-front,
.phil-card-back {
  position: absolute;
  width: 100%; height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 16px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.phil-card-front {
  background:
    radial-gradient(120% 90% at 80% 0%, rgba(217,174,110,0.07) 0%, transparent 55%),
    linear-gradient(180deg, #12181F 0%, #0D1218 100%);
  border: 1px solid var(--border);
}

.phil-hint {
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.phil-card-back {
  background: var(--bg-panel);
  border: 1px solid var(--border-hover);
  transform: rotateY(180deg);
  justify-content: center;
}

.phil-num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  position: relative;
}

.phil-card-front h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: auto;
  position: relative;
  text-shadow: 0 2px 24px rgba(0,0,0,0.6);
}

.phil-card-back p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.phil-card-back p strong {
  color: var(--accent);
  font-weight: 600;
}

.concept-trust {
  text-align: center;
  padding: 48px;
  border-top: 1px solid var(--border);
}

.trust-label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.trust-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.trust-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ============================================
   Coming Soon Section
   ============================================ */
.coming-soon {
  position: relative;
  z-index: 1;
  padding: 160px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(90deg, rgba(10,14,20,0.94) 0%, rgba(10,14,20,0.78) 46%, rgba(10,14,20,0.42) 100%),
    url('../images/cs-hero.png') center right / cover no-repeat;
}

.coming-soon::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(10,14,20,0.6), transparent 22%, transparent 78%, rgba(10,14,20,0.8));
  pointer-events: none;
}

.coming-soon .container { position: relative; z-index: 2; }

.cs-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}

.cs-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 24px 0 40px;
}

.countdown {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.count-item {
  text-align: center;
}

.count-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
  min-width: 80px;
}

/* Flip animation on value change */
.count-num.flip {
  animation: numFlip 0.5s var(--transition);
}

@keyframes numFlip {
  0% { opacity: 0.15; transform: translateY(-14px); filter: blur(3px); }
  100% { opacity: 1; transform: translateY(0); filter: blur(0); }
}

.count-label {
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 8px;
}

.count-sep {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  color: var(--accent);
  margin-top: 8px;
}

.form-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px;
}

.form-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.form-card > p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 32px;
}

.subscribe-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-input {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  outline: none;
  transition: border-color 0.3s ease;
}

.form-input:focus {
  border-color: var(--accent);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 16px;
  text-align: center;
}

/* ============================================
   Product Features Section
   ============================================ */
.product {
  position: relative;
  z-index: 1;
  padding: 140px 0;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 120px;
}

.feature-row:last-child { margin-bottom: 0; }

.feature-row-reverse .feature-media { order: 2; }
.feature-row-reverse .feature-text { order: 1; }

.feature-media {
  position: relative;
}

.feature-img-wrap {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-elevated);
  clip-path: inset(9% 7% 9% 7% round 16px);
  opacity: 0;
  transform: translateY(34px) scale(0.985);
  transition: clip-path 1.1s var(--transition), opacity 1.1s var(--transition), transform 1.1s var(--transition);
}

.feature-row.visible .feature-img-wrap,
.no-anim .feature-img-wrap {
  clip-path: inset(0 0 0 0 round 16px);
  opacity: 1;
  transform: translateY(0) scale(1);
}

.feature-img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.8s var(--transition);
}

.feature-img-wrap:hover .feature-img {
  transform: scale(1.03);
}

.feature-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10,14,20,0.6) 100%);
  pointer-events: none;
}

.feature-num {
  position: absolute;
  top: -24px;
  left: -16px;
  font-family: var(--font-display);
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 700;
  color: rgba(217, 174, 110, 0.09);
  line-height: 1;
  z-index: 2;
  pointer-events: none;
}

.feature-row-reverse .feature-num {
  left: auto;
  right: -16px;
}

.feature-tag {
  display: inline-block;
  padding: 6px 14px;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 4px;
  margin-bottom: 16px;
}

.feature-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.feature-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  line-height: 1.5;
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ============================================
   Scenes Matrix
   ============================================ */
.scenes {
  position: relative;
  z-index: 1;
  padding: 140px 0;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: 320px 280px;
  gap: 20px;
}

.scene-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.5s var(--transition), box-shadow 0.5s var(--transition);
  will-change: transform;
}

.scene-card:hover {
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.scene-card-large {
  grid-column: span 2;
  grid-row: span 2;
}

.scene-card-wide {
  grid-column: span 2;
}

.scene-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--transition);
}

.scene-card:hover .scene-img {
  transform: scale(1.05);
}

.scene-info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 32px 24px 24px;
  background: linear-gradient(to top, rgba(10,14,20,0.9) 0%, transparent 100%);
}

.scene-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

.scene-info h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
}

/* ============================================
   Specs Section
   ============================================ */
.specs {
  position: relative;
  z-index: 1;
  padding: 140px 0;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}













.spec-table {
  padding: 0 24px 24px;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}

.spec-row:last-child { border-bottom: none; }

.spec-row span:first-child {
  color: var(--text-secondary);
}

.spec-row span:last-child {
  color: var(--text-primary);
  text-align: right;
  max-width: 55%;
}

/* ============================================
   FAQ Section
   ============================================ */
.faq {
  position: relative;
  z-index: 1;
  padding: 140px 0;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
}

.faq-list {
  max-width: 800px;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: color 0.3s ease;
}

.faq-question:hover { color: var(--accent); }

.faq-icon {
  width: 20px; height: 20px;
  position: relative;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--text-secondary);
  transition: all 0.3s ease;
}

.faq-icon::before {
  width: 12px; height: 2px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  width: 2px; height: 12px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

.faq-item.open .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--transition), padding 0.5s var(--transition);
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding-bottom: 28px;
}

.faq-answer p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.9375rem;
}

/* ============================================
   Footer CTA
   ============================================ */
.footer-cta {
  position: relative;
  z-index: 1;
  padding: 160px 0 100px;
  overflow: hidden;
}

.footer-cta .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.fcta-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 20px;
}

.fcta-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.fcta-product {
  display: flex;
  justify-content: center;
  align-items: center;
}

.fcta-img {
  max-width: 400px;
  width: 100%;
  filter: drop-shadow(0 30px 60px rgba(0,0,0,0.4));
}

/* ============================================
   Footer
   ============================================ */
.footer {
  position: relative;
  z-index: 1;
  padding: 60px 0 32px;
  border-top: 1px solid var(--border);
  background: var(--bg-deep);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  margin-bottom: 48px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  margin-bottom: 12px;
  transition: color 0.3s ease;
}

.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-powered {
  color: var(--accent);
  opacity: 0.7;
}

/* ============================================
   Reveal Animations
   ============================================ */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--transition), transform 0.8s var(--transition);
}

.reveal-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 1s var(--transition), transform 1s var(--transition);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delays via data-delay */
.reveal-up[data-delay="0.1"] { transition-delay: 0.1s; }
.reveal-up[data-delay="0.15"] { transition-delay: 0.15s; }
.reveal-up[data-delay="0.2"] { transition-delay: 0.2s; }
.reveal-up[data-delay="0.25"] { transition-delay: 0.25s; }
.reveal-up[data-delay="0.3"] { transition-delay: 0.3s; }
.reveal-up[data-delay="0.4"] { transition-delay: 0.4s; }
.reveal-scale[data-delay="0.2"] { transition-delay: 0.2s; }
.reveal-scale[data-delay="0.3"] { transition-delay: 0.3s; }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .hero { flex-direction: column; text-align: center; padding: 120px 24px 80px; }
  .hero-content { max-width: 100%; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .hero-visual { max-width: 400px; }
  .hero-scroll { display: none; }

  .cs-grid { grid-template-columns: 1fr; gap: 48px; }
  .concept-story-grid { grid-template-columns: 1fr; gap: 40px; }
  .feature-row { grid-template-columns: 1fr; gap: 40px; }
  .feature-row-reverse .feature-media { order: 1; }
  .feature-row-reverse .feature-text { order: 2; }
  .feature-num { left: -8px !important; right: auto !important; }

  .philosophy-grid { grid-template-columns: 1fr; }
  .specs-grid { grid-template-columns: 1fr; }
  .scene-grid { grid-template-columns: repeat(2, 1fr); grid-template-rows: auto; }
  .scene-card-large { grid-column: span 2; grid-row: span 1; height: 300px; }
  .scene-card-wide { grid-column: span 2; height: 260px; }
  .scene-card { height: 240px; }

  .footer-cta .container { grid-template-columns: 1fr; text-align: center; }
  .fcta-product { order: -1; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: repeat(3, 1fr); }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .section-header { margin-bottom: 40px; }
  .concept, .coming-soon, .product, .scenes, .specs, .faq { padding: 80px 0; }

  .feature-row { margin-bottom: 80px; }
  .countdown { gap: 12px; }
  .count-num { font-size: 2rem; min-width: 60px; }
  .count-sep { font-size: 1.5rem; }

  .scene-grid { grid-template-columns: 1fr; }
  .scene-card-large, .scene-card-wide { grid-column: span 1; height: 240px; }

  .form-card { padding: 32px 24px; }
  .footer-links { grid-template-columns: 1fr; text-align: center; }
  .footer-bottom { padding-top: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .marquee-track { animation: none; }
}


/* ============================================
   V2.0: Philosophy cards (image-text vertical)
   ============================================ */
.phil-card {
  height: auto; perspective: none; cursor: default;
  display: flex; flex-direction: column;
  border-radius: 16px; overflow: hidden;
  background: var(--bg-elevated); border: 1px solid var(--border);
  transition: border-color .4s ease, transform .5s var(--transition), box-shadow .5s var(--transition);
}
.phil-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.45);
}
.phil-media { height: 190px; overflow: hidden; }
.phil-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 1s var(--transition); }
.phil-card:hover .phil-media img { transform: scale(1.05); }
.phil-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.phil-body .phil-num { margin-bottom: 12px; }
.phil-body h3 { font-family: var(--font-display); font-size: 1.35rem; font-weight: 600; line-height: 1.2; margin-bottom: 12px; }
.phil-reveal {
  font-size: .9rem; color: var(--text-secondary); line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  transition: color .3s ease;
}
.phil-card:hover .phil-reveal { -webkit-line-clamp: unset; }
.phil-reveal strong { color: var(--accent); font-weight: 600; }

/* ============================================
   V2.0: Trust strip (Goolton Intelligence)
   ============================================ */
.trust-strip-inner {
  display: grid; grid-template-columns: 1.1fr 1fr;
  border-radius: 20px; overflow: hidden;
  border: 1px solid var(--border); background: var(--bg-elevated);
}
.trust-media { min-height: 280px; }
.trust-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.trust-body { padding: 48px; display: flex; flex-direction: column; justify-content: center; }
.trust-label { font-size: .7rem; letter-spacing: .22em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 10px; }
.trust-name { font-family: var(--font-display); font-size: 1.6rem; font-weight: 600; margin-bottom: 6px; }
.trust-desc { color: var(--text-secondary); margin-bottom: 18px; font-size: .95rem; }
.trust-data { font-size: .85rem; color: var(--accent); letter-spacing: .02em; line-height: 1.7; }

/* ============================================
   V2.0: Story screens (8 immersive features)
   ============================================ */
.story-screen { position: relative; min-height: 90vh; display: flex; align-items: flex-end; overflow: hidden; }
.screen-bg { position: absolute; inset: 0; }
.screen-bg img {
  width: 100%; height: 118%; object-fit: cover; display: block;
  transform: scale(1.06); transition: transform 1.6s var(--transition);
  will-change: transform;
}
.story-screen.visible .screen-bg img { transform: scale(1); }
.story-screen::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10,14,20,0.93) 0%, rgba(10,14,20,0.6) 45%, rgba(10,14,20,0.15) 100%);
}
.story-screen.flip::after {
  background: linear-gradient(270deg, rgba(10,14,20,0.93) 0%, rgba(10,14,20,0.6) 45%, rgba(10,14,20,0.15) 100%);
}
.screen-content { position: relative; z-index: 2; padding: 96px 48px; max-width: 560px; margin-right: auto; }
.story-screen.flip .screen-content { margin-left: auto; margin-right: 64px; text-align: right; }
.screen-eyebrow { font-size: .75rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--accent); display: block; margin-bottom: 16px; }
.screen-title { font-family: var(--font-display); font-size: clamp(2.5rem, 5vw, 4.25rem); font-weight: 700; line-height: 1.05; margin-bottom: 14px; text-shadow: 0 2px 30px rgba(0,0,0,0.5); }
.screen-sub { font-size: 1.125rem; color: #C6CCD6; margin-bottom: 24px; }
.screen-specs { list-style: none; }
.screen-specs li { position: relative; display: inline-block; padding: 0 18px 0 16px; font-size: .85rem; color: #A8B0BC; margin: 0 6px 10px 0; border: 1px solid var(--border); border-radius: 999px; background: rgba(10,14,20,0.45); backdrop-filter: blur(6px); }

/* ============================================
   V2.0: Number wall
   ============================================ */
.numberwall { position: relative; z-index: 1; padding: 120px 0; text-align: center; border-top: 1px solid var(--border); }
.wall-title { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 700; margin-bottom: 72px; letter-spacing: 0.02em; }
.wall-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.wall-item { border-top: 2px solid var(--accent); padding-top: 24px; }
.wall-num { font-family: var(--font-display); font-size: clamp(3rem, 6.5vw, 5.25rem); font-weight: 700; line-height: 1; display: block; }
.wall-label { font-size: .8rem; color: var(--text-secondary); letter-spacing: .05em; display: block; margin-top: 12px; }

/* ============================================
   V2.0: Cinematic scene strip (21:9)
   ============================================ */
.scene-strip { display: flex; flex-direction: column; gap: 24px; }
.scene-frame { position: relative; aspect-ratio: 21 / 9; border-radius: 20px; overflow: hidden; }
.scene-frame img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  filter: saturate(.88) contrast(1.04);
  transition: transform 1.2s var(--transition);
}
.scene-frame:hover img { transform: scale(1.04); }
.scene-frame::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(120% 100% at 50% 45%, transparent 55%, rgba(10,14,20,0.55) 100%);
}
.scene-frame figcaption { position: absolute; z-index: 2; left: 30px; bottom: 26px; }
.scene-frame figcaption span { font-size: .68rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--accent); display: block; margin-bottom: 4px; }
.scene-frame figcaption h3 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; text-shadow: 0 2px 20px rgba(0,0,0,.6); }
.scene-desk { object-position: 22% center; }

/* ============================================
   V2.0: Scroll progress bar
   ============================================ */
#progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 100%;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  z-index: 2000; pointer-events: none;
}

/* ============================================
   V2.0 Responsive additions
   ============================================ */
@media (max-width: 1024px) {
  .trust-strip-inner { grid-template-columns: 1fr; }
  .trust-media { min-height: 220px; }
  .wall-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-frame { aspect-ratio: 16 / 9; }
  .story-screen.flip .screen-content { margin-right: 24px; }
}
@media (max-width: 768px) {
  .screen-content { padding: 72px 24px; max-width: 100%; }
  .story-screen.flip .screen-content { text-align: left; margin-left: 0; margin-right: 0; }
  .story-screen::after, .story-screen.flip::after {
    background: linear-gradient(0deg, rgba(10,14,20,0.94) 0%, rgba(10,14,20,0.55) 55%, rgba(10,14,20,0.2) 100%);
  }
  .wall-grid { grid-template-columns: 1fr; gap: 40px; }
  .numberwall { padding: 80px 0; }
}


/* ============================================
   V6.1: Spec cards (always-open, replace accordion)
   ============================================ */
.spec-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 28px 20px;
  transition: border-color .4s ease;
}
.spec-card:hover { border-color: var(--border-hover); }
.spec-card-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 14px; }
.spec-card-num { font-family: var(--font-display); font-size: .875rem; font-weight: 600; color: var(--accent); }
.spec-card-head h3 { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; }