:root {
  --bg: #0a0a0f;
  --surface: #111119;
  --surface-2: #18181f;
  --fg: #f0f0f8;
  --fg-muted: #8888a0;
  --accent-cyan: #00e5ff;
  --accent-magenta: #ff2d78;
  --accent-violet: #8b5cf6;
  --border: rgba(255,255,255,0.07);
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  align-items: center;
  padding: 80px 80px 60px;
  gap: 40px;
}

.hero-eyebrow {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--accent-cyan);
}

.hero-headline {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(56px, 7vw, 96px);
  line-height: 0.95;
  letter-spacing: 0.02em;
  color: var(--fg);
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 17px;
  color: var(--fg-muted);
  max-width: 420px;
  line-height: 1.65;
  margin-bottom: 32px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 14px;
}

.tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

/* Light stage */
.light-stage {
  position: relative;
  width: 100%;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 50% 60%, rgba(0,229,255,0.06) 0%, transparent 70%);
  border-radius: 24px;
  overflow: hidden;
}

.light-bar {
  position: absolute;
  height: 4px;
  border-radius: 4px;
  filter: blur(1px);
  opacity: 0.6;
}

.light-bar--cyan { width: 85%; top: 35%; background: var(--accent-cyan); box-shadow: 0 0 20px var(--accent-cyan), 0 0 40px var(--accent-cyan); }
.light-bar--magenta { width: 70%; top: 50%; background: var(--accent-magenta); box-shadow: 0 0 20px var(--accent-magenta); }
.light-bar--violet { width: 55%; top: 65%; background: var(--accent-violet); box-shadow: 0 0 16px var(--accent-violet); }

.glow-layer {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(0,229,255,0.04) 0%, transparent 80%);
}

.car-silhouette {
  position: relative;
  z-index: 2;
  width: 260px;
  opacity: 0.7;
}

.car-silhouette svg { width: 100%; }

.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
  z-index: 1;
}

.ambient-glow--cyan { width: 180px; height: 100px; background: var(--accent-cyan); top: 25%; left: 10%; }
.ambient-glow--magenta { width: 140px; height: 80px; background: var(--accent-magenta); bottom: 30%; right: 15%; }
.ambient-glow--violet { width: 120px; height: 70px; background: var(--accent-violet); top: 55%; left: 50%; }

/* SHOWROOM */
.showroom {
  padding: 100px 80px;
  border-top: 1px solid var(--border);
}

.showroom-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 40px;
}

.showroom-headline {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(40px, 5vw, 72px);
  line-height: 0.95;
  letter-spacing: 0.02em;
  margin-bottom: 64px;
  color: var(--fg);
}

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

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.product-card:hover { transform: translateY(-4px); border-color: rgba(0,229,255,0.25); }

.product-visual {
  height: 200px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-visual--a { background: linear-gradient(135deg, #0d1a1a 0%, #0a0a0f 100%); }
.product-visual--b { background: linear-gradient(135deg, #1a0d1a 0%, #0a0a0f 100%); }
.product-visual--c { background: linear-gradient(135deg, #0d0d1a 0%, #0a0a0f 100%); }

.strip { position: absolute; border-radius: 3px; }
.strip-h { width: 85%; height: 5px; top: 45%; background: var(--accent-cyan); box-shadow: 0 0 12px var(--accent-cyan), 0 0 30px rgba(0,229,255,0.4); }
.strip-v { width: 5px; height: 70%; left: 30%; top: 15%; background: var(--accent-magenta); box-shadow: 0 0 12px var(--accent-magenta); }

.dot-lights { display: flex; gap: 12px; align-items: center; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-1, .dot-4 { background: var(--accent-cyan); box-shadow: 0 0 10px var(--accent-cyan); }
.dot-2, .dot-5 { background: var(--accent-magenta); box-shadow: 0 0 10px var(--accent-magenta); }
.dot-3, .dot-6 { background: var(--accent-violet); box-shadow: 0 0 10px var(--accent-violet); }

.neon-line {
  width: 160px;
  height: 8px;
  border-radius: 8px;
  background: linear-gradient(90deg, var(--accent-magenta), var(--accent-violet));
  box-shadow: 0 0 20px var(--accent-magenta), 0 0 60px rgba(255,45,120,0.5);
}
.neon-reflection { position: absolute; bottom: 20%; width: 160px; height: 4px; border-radius: 4px; background: rgba(255,255,255,0.06); }

.tesla-outline {
  width: 100px;
  height: 60px;
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  position: relative;
}
.accent-glow-c {
  position: absolute;
  width: 80px;
  height: 40px;
  background: var(--accent-cyan);
  border-radius: 50%;
  filter: blur(20px);
  opacity: 0.3;
}

.product-info { padding: 24px; }
.product-name { font-weight: 600; font-size: 15px; margin-bottom: 8px; color: var(--fg); }
.product-desc { font-size: 13px; color: var(--fg-muted); line-height: 1.6; }

/* AMBIENT SECTION */
.ambient-section {
  padding: 100px 80px;
  border-top: 1px solid var(--border);
}

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

.section-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-tag::before { content: ''; display: block; width: 16px; height: 1px; background: var(--accent-cyan); }

.ambient-headline {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(36px, 4vw, 60px);
  line-height: 1;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
  color: var(--fg);
}

.ambient-body { font-size: 16px; color: var(--fg-muted); line-height: 1.75; max-width: 480px; }

.color-collector { display: flex; flex-direction: column; gap: 20px; }
.color-swatch { width: 100%; height: 48px; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.4); }
.color-label { font-size: 12px; color: var(--fg-muted); text-align: center; margin-top: 4px; }

/* SYNC SECTION */
.sync-section {
  padding: 100px 80px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.sync-visual {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  min-height: 300px;
}

.waveform { display: flex; align-items: center; gap: 6px; height: 80px; }
.wave-bar { width: 4px; border-radius: 4px; background: var(--accent-cyan); opacity: 0.6; animation: wave 1.2s ease-in-out infinite; }
.wave-bar--tall { height: 60px; opacity: 1; }
.wave-bar--short { height: 20px; }
@keyframes wave { 0%, 100% { transform: scaleY(0.4); } 50% { transform: scaleY(1); } }
.wave-bar:nth-child(1) { animation-delay: 0s; }
.wave-bar:nth-child(2) { animation-delay: 0.1s; }
.wave-bar:nth-child(3) { animation-delay: 0.2s; }
.wave-bar:nth-child(4) { animation-delay: 0.3s; }
.wave-bar:nth-child(5) { animation-delay: 0.15s; }
.wave-bar:nth-child(6) { animation-delay: 0.05s; }
.wave-bar:nth-child(7) { animation-delay: 0.2s; }
.wave-bar:nth-child(8) { animation-delay: 0.35s; }
.wave-bar:nth-child(9) { animation-delay: 0.1s; }
.wave-bar:nth-child(10) { animation-delay: 0.25s; }
.wave-bar:nth-child(11) { animation-delay: 0s; }
.wave-bar:nth-child(12) { animation-delay: 0.1s; }
.wave-bar:nth-child(13) { animation-delay: 0.3s; }
.wave-bar:nth-child(14) { animation-delay: 0.15s; }
.wave-bar:nth-child(15) { animation-delay: 0.05s; }

.beat-indicator { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--fg-muted); }
.beat-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-cyan); }
.beat-dot--active { animation: pulse 0.8s ease-in-out infinite; box-shadow: 0 0 8px var(--accent-cyan); }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.4; transform: scale(0.8); } }

.sync-headline {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(40px, 4.5vw, 64px);
  line-height: 0.95;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
  color: var(--fg);
}

.sync-body { font-size: 16px; color: var(--fg-muted); line-height: 1.75; margin-bottom: 32px; }

.sync-features { display: flex; flex-direction: column; gap: 16px; }
.sync-feat { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--fg-muted); }
.sync-icon { color: var(--accent-cyan); display: flex; align-items: center; }

/* CRAFT SECTION */
.craft-section { padding: 100px 80px; border-top: 1px solid var(--border); }

.craft-header { margin-bottom: 64px; }

.craft-headline {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(40px, 5vw, 72px);
  line-height: 0.95;
  letter-spacing: 0.02em;
  color: var(--fg);
}

.craft-pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }

.pillar { padding: 32px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; }
.pillar-icon { color: var(--accent-cyan); margin-bottom: 20px; }
.pillar h3 { font-size: 18px; font-weight: 600; margin-bottom: 12px; color: var(--fg); }
.pillar p { font-size: 14px; color: var(--fg-muted); line-height: 1.7; }

/* CLOSING */
.closing {
  padding: 120px 80px;
  border-top: 1px solid var(--border);
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,229,255,0.04) 0%, transparent 60%);
}

.closing-inner { max-width: 640px; margin: 0 auto; }

.closing-badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 32px;
  display: inline-block;
}

.closing-headline {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(48px, 6vw, 88px);
  line-height: 0.9;
  letter-spacing: 0.02em;
  color: var(--fg);
  margin-bottom: 28px;
}

.closing-body {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.75;
  margin-bottom: 56px;
}

.closing-strip {
  display: flex;
  justify-content: center;
  gap: 12px;
  align-items: center;
}

.closing-bar { height: 4px; border-radius: 4px; }
.closing-bar--1 { width: 120px; background: var(--accent-cyan); box-shadow: 0 0 16px var(--accent-cyan); }
.closing-bar--2 { width: 60px; background: var(--accent-magenta); box-shadow: 0 0 12px var(--accent-magenta); }
.closing-bar--3 { width: 40px; background: var(--accent-violet); box-shadow: 0 0 10px var(--accent-violet); }

/* FOOTER */
footer { padding: 40px 80px; border-top: 1px solid var(--border); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; }
.footer-logo { font-family: 'Bebas Neue', sans-serif; font-size: 22px; letter-spacing: 0.05em; color: var(--fg); }
.footer-tagline { font-size: 12px; color: var(--fg-muted); margin-top: 2px; display: block; }
.footer-copy { font-size: 12px; color: var(--fg-muted); }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 60px 32px; }
  .hero-right { height: 280px; }
  .light-stage { height: 280px; }
  .product-grid { grid-template-columns: 1fr; }
  .ambient-inner { grid-template-columns: 1fr; gap: 48px; }
  .sync-section { grid-template-columns: 1fr; gap: 48px; }
  .craft-pillars { grid-template-columns: 1fr; }
  .showroom, .ambient-section, .sync-section, .craft-section { padding: 60px 32px; }
  .closing { padding: 80px 32px; }
  footer { padding: 32px; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
}