:root {
  --bg-primary: #09090b;
  --bg-secondary: #0f0f12;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --fg-primary: #fafafa;
  --fg-secondary: #a1a1aa;
  --fg-muted: #71717a;
  --accent: #a855f7;
  --accent-bright: #c084fc;
  --accent-glow: rgba(168, 85, 247, 0.15);
  --accent-secondary: #06b6d4;
  --border: rgba(255, 255, 255, 0.06);
  --border-strong: rgba(255, 255, 255, 0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  backdrop-filter: blur(20px);
  background: rgba(9, 9, 11, 0.8);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  color: var(--accent);
  font-size: 20px;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 120px 40px 80px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, black 30%, transparent 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 760px;
  margin-bottom: 60px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid var(--border-strong);
  background: var(--bg-card);
  color: var(--accent-bright);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-bright), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.7;
  color: var(--fg-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== HERO VISUAL ===== */
.hero-visual {
  position: relative;
  width: 100%;
  max-width: 700px;
}

.visual-card {
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: var(--bg-secondary);
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 120px var(--accent-glow);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}

.card-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.card-dot.red { background: #ff5f57; }
.card-dot.yellow { background: #febc2e; }
.card-dot.green { background: #28c840; }

.card-title {
  margin-left: 12px;
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--fg-muted);
}

.card-body {
  padding: 24px;
}

.timeline {
  margin-bottom: 20px;
}

.timeline-bar {
  display: flex;
  gap: 3px;
  height: 32px;
  border-radius: 6px;
  overflow: hidden;
  background: rgba(255,255,255,0.04);
}

.timeline-segment {
  border-radius: 4px;
}
.seg-1 { flex: 2; background: rgba(168,85,247,0.15); }
.seg-2 { flex: 1; background: rgba(168,85,247,0.6); }
.seg-3 { flex: 3; background: rgba(168,85,247,0.1); }
.seg-4 { flex: 1; background: rgba(6,182,212,0.5); }
.seg-5 { flex: 2; background: rgba(168,85,247,0.35); }

.timeline-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 11px;
  color: var(--fg-muted);
  font-family: var(--font-display);
}

.clip-previews {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.clip-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: background 0.2s;
}

.clip-card:hover {
  background: var(--bg-card-hover);
}

.clip-score {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  color: white;
  flex-shrink: 0;
}

.clip-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.clip-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
}

.clip-time {
  font-size: 12px;
  color: var(--fg-muted);
}

/* ===== SECTION COMMON ===== */
.section-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 40px;
}

.section-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 48px;
}

/* ===== PROCESS ===== */
.process {
  padding: 120px 0;
  border-top: 1px solid var(--border);
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.step-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: rgba(168, 85, 247, 0.2);
  line-height: 1;
  flex-shrink: 0;
  width: 80px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.step-content p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--fg-secondary);
  max-width: 500px;
}

.step-connector {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent-glow), transparent);
  margin-left: 40px;
}

/* ===== FEATURES ===== */
.features {
  padding: 120px 0;
  border-top: 1px solid var(--border);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.feature-card {
  padding: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: all 0.3s ease;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
}

.feature-large {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(168,85,247,0.06) 0%, rgba(6,182,212,0.04) 100%);
  border-color: rgba(168,85,247,0.15);
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 16px;
  color: var(--accent-bright);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.feature-card p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--fg-secondary);
}

/* ===== NUMBERS ===== */
.numbers {
  padding: 100px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.number-value {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--fg-primary), var(--accent-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.number-label {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.4;
}

/* ===== CLOSING ===== */
.closing {
  position: relative;
  padding: 140px 0;
  text-align: center;
  overflow: hidden;
}

.closing-glow {
  position: absolute;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.closing-title {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: 640px;
  margin: 0 auto 20px;
}

.closing-text {
  position: relative;
  font-size: 17px;
  line-height: 1.7;
  color: var(--fg-secondary);
  max-width: 520px;
  margin: 0 auto;
}

/* ===== FOOTER ===== */
.footer {
  padding: 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--fg-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    padding: 100px 20px 60px;
  }

  .nav {
    padding: 16px 20px;
  }

  .section-inner {
    padding: 0 20px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .feature-large {
    grid-column: 1;
  }

  .numbers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .number-value {
    font-size: 36px;
  }

  .step {
    gap: 20px;
  }

  .step-number {
    font-size: 36px;
    width: 56px;
  }

  .step-connector {
    margin-left: 28px;
  }

  .process {
    padding: 80px 0;
  }

  .features {
    padding: 80px 0;
  }

  .numbers {
    padding: 60px 0;
  }

  .closing {
    padding: 80px 0;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .card-body {
    padding: 16px;
  }

  .clip-card {
    padding: 10px 12px;
  }
}
/* ===== NAV CTA ===== */
.nav-cta {
  display: flex;
  align-items: center;
}

.btn-nav-cta {
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  color: white;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(168,85,247,0.4);
}

/* ===== HERO ACTIONS ===== */
.hero-actions {
  margin-top: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-hero-primary {
  padding: 18px 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  color: white;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all 0.2s;
  box-shadow: 0 0 40px rgba(168,85,247,0.3);
}

.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(168,85,247,0.5);
}

.hero-action-hint {
  font-size: 14px;
  color: var(--fg-muted);
}

@media (max-width: 768px) {
  .nav-cta {
    display: none;
  }
  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }
}