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

:root {
  --bg: #0a0a0b;
  --bg-elevated: #111113;
  --text: #e8e8e8;
  --text-secondary: #888;
  --accent: #4f8ff7;
  --border: #1a1a1f;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

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

.logo {
  font-size: 1.1em;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

a.logo {
  text-decoration: none;
  color: inherit;
}

.nav-back {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9em;
}

.nav-github {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9em;
}

.btn-sm {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-size: 0.85em;
  font-weight: 600;
  border-radius: 4px;
}

/* Hero */

.hero {
  padding: 140px 0 80px;
}

.hero-grid {
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-text {
  flex: 1;
}

.ascii-container {
  flex-shrink: 0;
  width: 370px;
}

.ascii-container pre {
  font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
  font-size: 11px;
  line-height: 1.1;
  color: var(--accent);
  margin: 0;
  user-select: none;
}

.hero h1 {
  font-size: clamp(2.4em, 5vw, 3.4em);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero .subtitle {
  color: var(--text-secondary);
  font-size: 1.1em;
  line-height: 1.6;
  max-width: 600px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 16px;
}

.btn-primary {
  display: inline-block;
  padding: 10px 24px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-size: 1em;
  font-weight: 600;
  border-radius: 4px;
}

.text-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.95em;
}

.note {
  color: var(--text-secondary);
  font-size: 0.85em;
}

/* Section headings */

h2 {
  font-size: 1.8em;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 40px;
}

/* Demo */

.demo-section {
  padding: 80px 0;
}

.demo-section .container {
  max-width: 1060px;
}

.demo-tabs {
  display: flex;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.demo-tab {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9em;
  padding: 8px 16px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-family: inherit;
}

.demo-tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.demo-content {
  display: flex;
  gap: 24px;
  align-items: stretch;
}

.demo-meeting {
  flex: 3;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #0d0d0f;
  overflow: hidden;
}

.demo-browser-bar {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  background: #161618;
  border-bottom: 1px solid var(--border);
}

.demo-browser-bar .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.demo-browser-bar .dot.red { background: #ff5f57; }
.demo-browser-bar .dot.yellow { background: #febc2e; }
.demo-browser-bar .dot.green { background: #28c840; }

.meeting-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  padding: 2px;
}

.participant {
  background: #161618;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 12px;
  aspect-ratio: 16 / 10;
}

.participant.empty {
  opacity: 0.3;
}

.participant-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 600;
  font-size: 1.1em;
  transition: box-shadow 0.2s;
}

.participant.is-speaking .participant-avatar {
  box-shadow: 0 0 0 3px var(--accent);
}

.participant-name {
  font-size: 0.75em;
  color: var(--text-secondary);
  margin-top: 8px;
}

.demo-popover {
  flex: 2;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-elevated);
  overflow: hidden;
}

.popover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.popover-title {
  font-weight: 600;
  font-size: 0.9em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.rec-dot {
  width: 8px;
  height: 8px;
  background: #ef4444;
  border-radius: 50%;
  animation: blink 1.5s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.popover-time {
  font-size: 0.8em;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  font-family: 'SF Mono', 'Menlo', monospace;
}

.popover-transcript {
  padding: 16px;
  min-height: 200px;
  max-height: 300px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.transcript-entry .speaker {
  font-size: 0.75em;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 2px;
}

.transcript-entry .text {
  font-size: 0.85em;
  color: var(--text-secondary);
  line-height: 1.5;
}

.popover-ask {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
}

.ask-btn {
  font-size: 0.85em;
  color: var(--accent);
  font-weight: 500;
  min-height: 1.2em;
}

.ai-response {
  margin-top: 12px;
  display: none;
}

.ai-response.visible {
  display: block;
}

.ai-label {
  font-size: 0.7em;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.ai-answer {
  font-size: 0.85em;
  color: var(--text);
  line-height: 1.6;
}

.demo-replay {
  display: none;
  margin-top: 16px;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 20px;
  border-radius: 4px;
  font-size: 0.85em;
  cursor: pointer;
  font-family: inherit;
}

.demo-replay.visible {
  display: inline-block;
}

/* How it works */

.how-section {
  padding: 80px 0;
}

.how-list {
  list-style: none;
  counter-reset: how;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.how-list li {
  counter-increment: how;
  padding-left: 40px;
  position: relative;
}

.how-list li::before {
  content: counter(how);
  position: absolute;
  left: 0;
  top: 0;
  font-size: 0.85em;
  font-weight: 700;
  color: var(--text-secondary);
  font-family: 'SF Mono', 'Menlo', monospace;
}

.how-list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1.05em;
}

.how-list p {
  color: var(--text-secondary);
  font-size: 0.95em;
}

/* Features */

.features-section {
  padding: 80px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px 48px;
}

.feature strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1em;
}

.feature p {
  color: var(--text-secondary);
  font-size: 0.9em;
}

/* Use cases */

.usecases-section {
  padding: 80px 0;
}

.usecases-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.usecases-list li {
  display: flex;
  gap: 16px;
  align-items: baseline;
}

.usecases-list strong {
  flex-shrink: 0;
  width: 120px;
}

.usecases-list span {
  color: var(--text-secondary);
  font-size: 0.95em;
}

/* Open source */

.opensource-section {
  padding: 80px 0;
}

.opensource-section p {
  color: var(--text-secondary);
  font-size: 1em;
  max-width: 540px;
  margin-bottom: 24px;
}

.opensource-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.9em;
  font-weight: 500;
}

.license-badge {
  font-size: 0.85em;
  color: var(--text-secondary);
}

/* Footer */

footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-left,
.footer-right {
  display: flex;
  gap: 20px;
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85em;
}

.footer-right span {
  color: var(--text-secondary);
  font-size: 0.85em;
}

/* Prose (for privacy.html, terms.html) */

.prose {
  max-width: 660px;
  margin: 0 auto;
  padding: 140px 24px 80px;
}

.prose h1 {
  font-size: 1.8em;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 8px;
}

.prose h2 {
  font-size: 1.2em;
  margin-top: 40px;
  margin-bottom: 12px;
}

.prose h3 {
  font-size: 1em;
  margin-top: 24px;
  margin-bottom: 8px;
}

.prose p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.prose ul, .prose ol {
  color: var(--text-secondary);
  margin-bottom: 16px;
  padding-left: 24px;
}

.prose li {
  margin-bottom: 8px;
}

.prose a {
  color: var(--accent);
  text-decoration: none;
}

.prose .date {
  color: var(--text-secondary);
  font-size: 0.9em;
  margin-bottom: 40px;
}

.prose .caps {
  font-size: 0.85em;
  letter-spacing: 0.02em;
  line-height: 1.7;
}

/* Responsive */

@media (max-width: 700px) {
  .hero {
    padding: 120px 0 60px;
  }

  .hero-grid {
    display: block;
  }

  .ascii-container {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .demo-content {
    flex-direction: column;
  }

  .demo-meeting {
    max-height: 250px;
  }

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

  .usecases-list li {
    flex-direction: column;
    gap: 4px;
  }

  .usecases-list strong {
    width: auto;
  }

  footer .container {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }

  .demo-tabs {
    overflow-x: auto;
  }
}