/* ===== Reset & Variables ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0a0d12;
  --bg-alt: #0f1218;
  --surface: #151921;
  --surface-hover: #1d222d;
  --border: #1e2330;
  --border-light: #2a3142;
  --text: #f0f2f7;
  --text-sub: #98a1b4;
  --text-muted: #5e6678;
  --primary: #14b8a6;          /* teal — recording/video accent */
  --primary-light: #2dd4bf;
  --primary-glow: rgba(20, 184, 166, 0.3);
  --accent: #6366f1;            /* indigo for AI features */
  --accent-light: #818cf8;
  --record: #ef4444;            /* red dot */
  --gradient: linear-gradient(135deg, #14b8a6, #6366f1, #a78bfa);
  --speaker-1: #60a5fa;         /* blue */
  --speaker-2: #f472b6;         /* pink */
  --radius: 12px;
  --radius-lg: 20px;
  --radius-sm: 8px;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; }

kbd {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.8em;
  font-family: 'Inter', monospace;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  color: var(--primary-light);
}

/* ===== Container ===== */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Nav ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: all 0.3s;
}

.nav.scrolled {
  background: rgba(10, 13, 18, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.logo-icon {
  display: block;
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-sub);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }

.lang-picker { position: relative; font-size: 0.8rem; }

.lang-current {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px 4px 6px;
  font-size: inherit;
  font-family: inherit;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}

.lang-current:hover,
.lang-picker.open .lang-current {
  border-color: var(--primary-light);
  background: var(--surface-hover);
}

.lang-flag {
  width: 18px;
  height: 13px;
  object-fit: cover;
  border-radius: 2px;
  flex-shrink: 0;
  display: block;
}

.lang-chevron {
  opacity: 0.7;
  transition: transform 0.2s;
}

.lang-picker.open .lang-chevron { transform: rotate(180deg); }

.lang-list {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 160px;
  max-height: 320px;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 4px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
  list-style: none;
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity 0.15s, transform 0.15s;
  z-index: 200;
}

.lang-picker.open .lang-list {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.lang-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  color: var(--text-sub);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.lang-list li:hover,
.lang-list li[aria-selected="true"] {
  background: var(--surface-hover);
  color: var(--text);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: var(--radius); }

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-light);
  box-shadow: 0 6px 30px var(--primary-glow);
  transform: translateY(-1px);
}

.btn-soon {
  cursor: default;
  opacity: 0.95;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

.btn-soon:hover {
  transform: none;
  box-shadow: 0 4px 20px var(--primary-glow);
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

/* ===== Badge ===== */
.badge {
  display: inline-block;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-light);
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.25);
  border-radius: 999px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 160px 0 80px;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse, var(--primary-glow) 0%, transparent 70%);
  opacity: 0.5;
  pointer-events: none;
}

.hero-content { position: relative; z-index: 1; }

.hero-logo {
  display: block;
  width: clamp(96px, 14vw, 160px);
  height: auto;
  margin: 0 auto 28px;
  filter: drop-shadow(0 12px 40px var(--primary-glow));
  animation: hero-logo-float 4s ease-in-out infinite;
}

@keyframes hero-logo-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 20px 0;
}

.hero-sub {
  max-width: 660px;
  margin: 0 auto 40px;
  font-size: 1.15rem;
  color: var(--text-sub);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-top: 48px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-sep {
  width: 1px;
  height: 40px;
  background: var(--border-light);
}

/* ===== App Mockup ===== */
.app-mockup {
  margin-top: 60px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #1a1d24;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.mockup-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  height: 40px;
  background: #1a1d24;
  border-bottom: 1px solid #262b35;
}

.mockup-titlebar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mockup-app-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-light);
}

.mockup-title-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #fca5a5;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.mockup-title-pill .rec-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--record);
  animation: pulse 1.5s infinite;
}

.mockup-window-controls {
  display: flex;
  align-items: center;
  gap: 2px;
}

.mockup-ctrl {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  font-size: 0.75rem;
  color: #9ca3af;
}

.mockup-ctrl-close:hover { background: #ef4444; color: white; }

.mockup-body {
  display: grid;
  grid-template-columns: 240px 1fr 320px;
  min-height: 460px;
}

/* Sidebar */
.mockup-sidebar {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
  background: #1a1d24;
  border-right: 1px solid #262b35;
  flex-shrink: 0;
  min-width: 0;
}

.mockup-record-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px;
  border-radius: 10px;
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3);
  cursor: default;
}

.mockup-record-btn .rec-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: white;
  animation: pulse 1.5s infinite;
}

.mockup-search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: #11141a;
  border: 1px solid #262b35;
  border-radius: 8px;
  color: #6b7280;
  font-size: 0.8rem;
}

.mockup-recordings {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  overflow: hidden;
}

.mockup-rec-item {
  display: flex;
  gap: 10px;
  padding: 8px;
  border-radius: 8px;
  cursor: default;
  transition: background 0.2s;
}

.mockup-rec-item.active {
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.3);
}

.mockup-rec-item:not(.active):hover {
  background: var(--surface-hover);
}

.mockup-rec-thumb {
  width: 56px;
  height: 36px;
  border-radius: 6px;
  background: linear-gradient(135deg, #1f2937, #374151);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.mockup-rec-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 40%, rgba(99, 102, 241, 0.4), transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(20, 184, 166, 0.3), transparent 50%);
}

.mockup-rec-thumb-2::after {
  background:
    radial-gradient(circle at 60% 30%, rgba(244, 114, 182, 0.4), transparent 50%),
    radial-gradient(circle at 30% 70%, rgba(96, 165, 250, 0.35), transparent 50%);
}

.mockup-rec-thumb-3::after {
  background:
    radial-gradient(circle at 40% 50%, rgba(167, 139, 250, 0.4), transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(20, 184, 166, 0.3), transparent 50%);
}

.mockup-rec-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

.mockup-rec-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: #e5e7eb;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mockup-rec-meta {
  font-size: 0.7rem;
  color: #6b7280;
}

/* Center: video player */
.mockup-player {
  background: #0d1015;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.mockup-player-frame {
  flex: 1;
  background:
    radial-gradient(circle at 25% 35%, rgba(20, 184, 166, 0.18), transparent 55%),
    radial-gradient(circle at 75% 65%, rgba(99, 102, 241, 0.18), transparent 55%),
    #000;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.mockup-player-overlay {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  font-size: 0.7rem;
  color: white;
  font-weight: 600;
}

.mockup-player-overlay .rec-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--record);
  animation: pulse 1.5s infinite;
}

.mockup-play {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  color: #0d1015;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.mockup-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: #14181f;
  border-top: 1px solid #262b35;
  font-size: 0.7rem;
  color: #9ca3af;
  font-variant-numeric: tabular-nums;
}

.mockup-timeline {
  flex: 1;
  height: 4px;
  background: #262b35;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.mockup-timeline-fill {
  position: absolute;
  inset: 0 60% 0 0;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
}

.mockup-timeline-marker {
  position: absolute;
  left: 22%;
  top: -3px;
  width: 2px;
  height: 10px;
  background: var(--primary-light);
  border-radius: 1px;
}

.mockup-timeline-marker::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -3px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-light);
  box-shadow: 0 0 8px var(--primary-glow);
}

.mockup-timeline-marker.m2 { left: 55%; background: var(--speaker-2); }
.mockup-timeline-marker.m2::before { background: var(--speaker-2); box-shadow: 0 0 8px rgba(244, 114, 182, 0.5); }

/* Right panel */
.mockup-right {
  background: #14181f;
  border-left: 1px solid #262b35;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.mockup-tabs {
  display: flex;
  gap: 4px;
  padding: 10px 12px 0;
  border-bottom: 1px solid #262b35;
}

.mockup-tab {
  padding: 8px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #6b7280;
  border-bottom: 2px solid transparent;
  cursor: default;
}

.mockup-tab.active {
  color: var(--primary-light);
  border-bottom-color: var(--primary-light);
}

.mockup-right-body {
  flex: 1;
  padding: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mockup-transcript-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.mockup-transcript-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: #e5e7eb;
}

.mockup-tags {
  display: flex;
  gap: 6px;
}

.mockup-tag {
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 600;
}

.mockup-tag.tag-1 { background: rgba(20, 184, 166, 0.15); color: var(--primary-light); }
.mockup-tag.tag-2 { background: rgba(167, 139, 250, 0.15); color: #c4b5fd; }

.mockup-segments {
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
}

.mockup-segment {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 10px;
  background: #1a1d24;
  border-radius: 8px;
  border-left: 3px solid transparent;
}

.mockup-segment.s1 { border-left-color: var(--speaker-1); }
.mockup-segment.s2 { border-left-color: var(--speaker-2); }

.mockup-segment-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
}

.mockup-speaker {
  font-weight: 700;
}

.mockup-segment.s1 .mockup-speaker { color: var(--speaker-1); }
.mockup-segment.s2 .mockup-speaker { color: var(--speaker-2); }

.mockup-time {
  color: #6b7280;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-variant-numeric: tabular-nums;
}

.mockup-segment-text {
  font-size: 0.78rem;
  color: #d1d5db;
  line-height: 1.5;
}

.mockup-statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 28px;
  padding: 0 16px;
  background: #1a1d24;
  border-top: 1px solid #262b35;
  font-size: 0.7rem;
  color: #6b7280;
}

.mockup-status-left {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
}

/* ===== Sections ===== */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-alt); }

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 12px 0;
  line-height: 1.2;
}

.section-header p {
  color: var(--text-sub);
  font-size: 1.05rem;
}

/* ===== Features Grid ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s;
}

.feature-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.feature-card-lg {
  grid-column: span 3;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto 1fr;
  gap: 4px 20px;
  padding: 32px;
  background: linear-gradient(135deg, var(--surface) 0%, rgba(20, 184, 166, 0.06) 100%);
}

.feature-card-lg .feature-icon {
  grid-row: span 2;
  width: 60px;
  height: 60px;
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(20, 184, 166, 0.12);
  color: var(--primary-light);
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.6;
}

/* ===== Steps ===== */
.steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  max-width: 580px;
  margin: 0 auto 60px;
}

.step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.step-number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  font-weight: 800;
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.step-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.step-content p {
  color: var(--text-sub);
  font-size: 0.92rem;
  line-height: 1.6;
}

.step-connector {
  width: 2px;
  height: 40px;
  background: var(--border-light);
  margin-left: 23px;
}

/* ===== Demo Overlay (live transcription) ===== */
.demo-overlay {
  display: flex;
  justify-content: center;
}

.overlay-window {
  background: #14181f;
  border: 1px solid #262b35;
  border-radius: 16px;
  padding: 16px;
  width: 340px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.overlay-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.overlay-left {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  color: #f5f5f5;
}

.overlay-red-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--record);
  flex-shrink: 0;
  animation: pulse 1.5s infinite;
}

.overlay-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.overlay-timer {
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  color: #9ca3af;
  font-variant-numeric: tabular-nums;
}

.overlay-text {
  font-size: 0.85rem;
  color: #f5f5f5;
  line-height: 1.6;
  margin-bottom: 12px;
}

.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 14px;
  margin-left: 2px;
  background: var(--primary-light);
  vertical-align: middle;
  animation: blink 1s infinite;
}

.audio-bars {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 2px;
  height: 24px;
}

.audio-bars span {
  width: 4px;
  border-radius: 4px;
  background: var(--primary-light);
  animation: bar 0.8s infinite ease-in-out alternate;
}

.audio-bars span:nth-child(1)  { height: 4px; animation-delay: 0s; }
.audio-bars span:nth-child(2)  { height: 10px; animation-delay: 0.03s; }
.audio-bars span:nth-child(3)  { height: 16px; animation-delay: 0.06s; }
.audio-bars span:nth-child(4)  { height: 8px; animation-delay: 0.09s; }
.audio-bars span:nth-child(5)  { height: 20px; animation-delay: 0.12s; }
.audio-bars span:nth-child(6)  { height: 12px; animation-delay: 0.15s; }
.audio-bars span:nth-child(7)  { height: 6px; animation-delay: 0.18s; }
.audio-bars span:nth-child(8)  { height: 18px; animation-delay: 0.21s; }
.audio-bars span:nth-child(9)  { height: 10px; animation-delay: 0.24s; }
.audio-bars span:nth-child(10) { height: 22px; animation-delay: 0.27s; }
.audio-bars span:nth-child(11) { height: 14px; animation-delay: 0.3s; }
.audio-bars span:nth-child(12) { height: 8px; animation-delay: 0.33s; }
.audio-bars span:nth-child(13) { height: 18px; animation-delay: 0.36s; }
.audio-bars span:nth-child(14) { height: 6px; animation-delay: 0.39s; }
.audio-bars span:nth-child(15) { height: 16px; animation-delay: 0.42s; }
.audio-bars span:nth-child(16) { height: 10px; animation-delay: 0.45s; }
.audio-bars span:nth-child(17) { height: 20px; animation-delay: 0.48s; }
.audio-bars span:nth-child(18) { height: 8px; animation-delay: 0.51s; }
.audio-bars span:nth-child(19) { height: 14px; animation-delay: 0.54s; }
.audio-bars span:nth-child(20) { height: 4px; animation-delay: 0.57s; }
.audio-bars span:nth-child(21) { height: 12px; animation-delay: 0.6s; }
.audio-bars span:nth-child(22) { height: 18px; animation-delay: 0.63s; }
.audio-bars span:nth-child(23) { height: 6px; animation-delay: 0.66s; }
.audio-bars span:nth-child(24) { height: 10px; animation-delay: 0.69s; }

/* ===== Tech Grid ===== */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}

.tech-card {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s;
}

.tech-card:hover { border-color: var(--border-light); }

.tech-logo { margin-bottom: 16px; }

.tech-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.tech-card p {
  font-size: 0.85rem;
  color: var(--text-sub);
  line-height: 1.5;
}

/* ===== Perf Grid ===== */
.perf-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.perf-card {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.perf-value {
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.perf-label {
  font-size: 0.85rem;
  color: var(--text-sub);
  margin-top: 6px;
}

/* ===== CTA ===== */
.cta-card {
  position: relative;
  text-align: center;
  padding: 80px 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 400px;
  background: radial-gradient(ellipse, var(--primary-glow) 0%, transparent 70%);
  opacity: 0.4;
  pointer-events: none;
}

.cta-card h2 {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 12px;
  position: relative;
}

.cta-card > p {
  color: var(--text-sub);
  font-size: 1.1rem;
  margin-bottom: 32px;
  position: relative;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ===== Requirements ===== */
.req-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 700px;
  margin: 0 auto;
}

.req-card {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.req-card h4 {
  font-weight: 700;
  margin-bottom: 16px;
  font-size: 1rem;
}

.req-card li {
  padding: 6px 0;
  color: var(--text-sub);
  font-size: 0.9rem;
  padding-left: 20px;
  position: relative;
}

.req-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

/* ===== Footer ===== */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 8px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-sub);
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--text); }

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== Animations ===== */
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

@keyframes bar {
  0% { height: 4px; }
  100% { height: 20px; }
}

.animate-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s, transform 0.5s;
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.features-grid .animate-in:nth-child(2) { transition-delay: 0.05s; }
.features-grid .animate-in:nth-child(3) { transition-delay: 0.1s; }
.features-grid .animate-in:nth-child(4) { transition-delay: 0.15s; }
.features-grid .animate-in:nth-child(5) { transition-delay: 0.2s; }
.features-grid .animate-in:nth-child(6) { transition-delay: 0.25s; }
.features-grid .animate-in:nth-child(7) { transition-delay: 0.3s; }
.features-grid .animate-in:nth-child(8) { transition-delay: 0.35s; }
.features-grid .animate-in:nth-child(9) { transition-delay: 0.4s; }
.features-grid .animate-in:nth-child(10) { transition-delay: 0.45s; }

.tech-grid .animate-in:nth-child(2) { transition-delay: 0.05s; }
.tech-grid .animate-in:nth-child(3) { transition-delay: 0.1s; }
.tech-grid .animate-in:nth-child(4) { transition-delay: 0.15s; }
.tech-grid .animate-in:nth-child(5) { transition-delay: 0.2s; }
.tech-grid .animate-in:nth-child(6) { transition-delay: 0.25s; }

.perf-grid .animate-in:nth-child(2) { transition-delay: 0.05s; }
.perf-grid .animate-in:nth-child(3) { transition-delay: 0.1s; }
.perf-grid .animate-in:nth-child(4) { transition-delay: 0.15s; }
.perf-grid .animate-in:nth-child(5) { transition-delay: 0.2s; }
.perf-grid .animate-in:nth-child(6) { transition-delay: 0.25s; }

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .mockup-body {
    grid-template-columns: 200px 1fr 280px;
  }
}

@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card-lg { grid-column: span 2; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .perf-grid { grid-template-columns: repeat(2, 1fr); }

  .mockup-body {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }
  .mockup-sidebar {
    border-right: none;
    border-bottom: 1px solid #262b35;
    flex-direction: row;
    overflow-x: auto;
  }
  .mockup-recordings { flex-direction: row; }
  .mockup-rec-item { min-width: 200px; }
  .mockup-right {
    border-left: none;
    border-top: 1px solid #262b35;
  }
}

@media (max-width: 700px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 260px;
    height: 100vh;
    background: var(--surface);
    border-left: 1px solid var(--border);
    flex-direction: column;
    padding: 80px 24px 24px;
    gap: 20px;
    transition: right 0.3s;
    z-index: 101;
  }

  .nav-links.open { right: 0; }
  .nav-toggle { display: block; }

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

  .feature-card-lg {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }

  .feature-card-lg .feature-icon { grid-row: auto; }

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

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .stat-sep {
    width: 40px;
    height: 1px;
  }

  .overlay-window {
    width: 100%;
    max-width: 360px;
  }

  .cta-card { padding: 48px 24px; }

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