:root {
  --bg: #121212;
  --surface: #1d1d1d;
  --surface-2: #262626;
  --surface-3: #2f2f2f;
  --border: #3a3a3a;
  --text: #f5f5f4;
  --muted: #a1a1aa;
  --accent: #f97316;
  --accent-soft: rgba(249, 115, 22, 0.14);
  --accent-border: rgba(249, 115, 22, 0.34);
  --green: #34d399;
  --blue: #60a5fa;
  --yellow: #fbbf24;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Manrope', system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(249, 115, 22, 0.08), transparent 30%),
    radial-gradient(circle at 80% 20%, rgba(96, 165, 250, 0.08), transparent 24%),
    linear-gradient(180deg, #141414 0%, #101010 100%);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.site-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 16px;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  background: rgba(20, 20, 20, 0.86);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--accent);
  color: #111;
}

.brand-text { font-size: 1.05rem; }

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.github-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
}

.github-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 28px;
  align-items: center;
  padding: 52px 0 30px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 800;
}

.hero h1,
.section-head h2,
.privacy-card h2 {
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.02;
}

.hero h1 {
  font-size: clamp(2.8rem, 5vw, 5rem);
  max-width: 12ch;
}

.lede {
  max-width: 62ch;
  margin: 18px 0 0;
  color: #d4d4d8;
  font-size: 1.05rem;
  line-height: 1.75;
}

.hero-actions,
.hero-points,
.report-chip-row,
.quick-prompts,
.demo-metrics,
.path-grid,
.feature-grid,
.demo-columns,
.trust-band {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions { margin-top: 24px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 700;
}

.btn-primary {
  background: var(--accent);
  color: #111;
}

.btn-secondary {
  background: var(--surface-2);
  border-color: var(--border);
}

.btn:hover,
.mini-btn:hover,
.persona:hover,
.github-link:hover {
  transform: translateY(-1px);
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
}

.hero-points {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-points li {
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 999px;
  background: rgba(255,255,255,0.02);
}

.browser-frame,
.feature-card,
.demo-card,
.demo-chat-card,
.path-card,
.privacy-card {
  background: linear-gradient(180deg, rgba(38,38,38,0.98), rgba(26,26,26,0.98));
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow);
}

.browser-frame {
  overflow: hidden;
  border-radius: 24px;
}

.browser-chrome {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #1a1a1a;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.browser-chrome span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #52525b;
}

.browser-chrome span:first-child { background: #f87171; }
.browser-chrome span:nth-child(2) { background: #fbbf24; }
.browser-chrome span:nth-child(3) { background: #34d399; }

.browser-title {
  margin-left: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 16px;
}

.preview-card,
.feature-card,
.demo-card,
.demo-chat-card,
.path-card {
  border-radius: 18px;
}

.preview-card {
  padding: 14px;
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.06);
}

.metric-card .label,
.section-title,
.demo-card h4,
.path-tag {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  font-weight: 800;
}

.metric-card .value {
  margin-top: 10px;
  font-size: 2rem;
  font-weight: 800;
}

.metric-card .sub {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

.accent-card {
  border-color: var(--accent-border);
  background: linear-gradient(180deg, rgba(249,115,22,0.12), rgba(34,34,34,1));
}

.report-preview,
.chat-preview {
  grid-column: span 2;
}

.report-chip-row span,
.demo-badge,
.demo-metric,
.report-chip {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.06);
  background: var(--surface-2);
  color: var(--muted);
  font-size: 0.82rem;
}

.report-box,
.demo-card,
.demo-chat-card,
.path-card,
.feature-card {
  padding: 18px;
}

.report-box {
  margin-top: 10px;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  background: var(--surface-2);
}

.report-box p,
.feature-card p,
.path-card p,
.provider-box li,
.provider-box p,
.privacy-card p,
.plan-block,
.demo-card li {
  color: #d4d4d8;
  line-height: 1.65;
}

.bubble {
  display: inline-block;
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  font-size: 0.95rem;
}

.bubble-user {
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
}

.bubble-ai {
  display: block;
  background: var(--surface-2);
  border: 1px solid rgba(255,255,255,0.06);
}

.trust-band {
  justify-content: space-between;
  margin: 14px 0 8px;
  padding: 18px;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  background: rgba(255,255,255,0.02);
  color: var(--muted);
  font-size: 0.92rem;
}

.section-block {
  padding: 72px 0 10px;
}

.section-head {
  max-width: 860px;
  margin-bottom: 28px;
}

.section-head h2,
.privacy-card h2 {
  font-size: clamp(2rem, 3vw, 3rem);
}

.section-head-split {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
}

.section-note {
  max-width: 42ch;
  color: var(--muted);
  line-height: 1.7;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card h3,
.path-card h3,
.provider-box h3,
.demo-header h3,
.demo-chat-head h4,
.demo-card h4 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.demo-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 18px;
}

.demo-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.persona-list,
.provider-box,
.demo-panel,
.privacy-card {
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.02);
}

.persona-list {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.persona {
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.persona.is-active {
  background: var(--accent-soft);
  border-color: var(--accent-border);
  color: var(--text);
}

.provider-box {
  padding: 16px;
}

.demo-sidebar-btn {
  width: 100%;
}

.provider-box ul {
  margin: 10px 0 0;
  padding-left: 18px;
}

.demo-panel {
  padding: 18px;
}

.demo-header,
.demo-chat-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
}

.demo-label { margin-bottom: 4px; }

.demo-metrics { margin-top: 18px; }

.demo-metric {
  min-width: 150px;
  border-radius: 14px;
  background: var(--surface-2);
}

.demo-metric strong {
  display: block;
  margin-top: 6px;
  color: var(--text);
  font-size: 1.3rem;
}

.demo-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
}

.demo-chat-card { margin-top: 18px; }

.quick-prompts,
.code-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mini-btn {
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
}

.demo-chat-thread {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.demo-msg {
  max-width: 90%;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.06);
  line-height: 1.55;
}

.demo-msg.user {
  align-self: flex-end;
  background: var(--accent-soft);
  border-color: var(--accent-border);
}

.demo-msg.ai {
  align-self: flex-start;
  background: var(--surface-2);
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.path-tag {
  display: inline-block;
  margin-bottom: 10px;
}

.path-card ol {
  margin: 12px 0 0;
  padding-left: 20px;
  color: #d4d4d8;
}

.path-card li { margin: 8px 0; }

.code-stack code {
  display: block;
  padding: 10px 12px;
  border-radius: 12px;
  background: #161616;
  border: 1px solid rgba(255,255,255,0.06);
  color: #ffd4b3;
  overflow-x: auto;
}

.privacy-card {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 22px;
  padding: 24px;
}

.privacy-points {
  display: grid;
  gap: 12px;
}

.privacy-points > div {
  padding: 14px;
  border-radius: 14px;
  background: var(--surface-2);
  border: 1px solid rgba(255,255,255,0.06);
  color: #d4d4d8;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 36px 0 14px;
  color: var(--muted);
  font-size: 0.94rem;
}

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

.demo-page {
  min-height: 100vh;
}

.demo-app-shell {
  max-width: 1480px;
  margin: 0 auto;
  padding: 18px;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 18px;
}

.demo-app-sidebar,
.demo-app-main {
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 22px;
  background: rgba(20,20,20,0.94);
  box-shadow: var(--shadow);
}

.demo-app-sidebar {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: sticky;
  top: 16px;
  height: fit-content;
}

.sidebar-copy,
.panel-copy {
  color: #d4d4d8;
  line-height: 1.7;
}

.sidebar-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.demo-app-main {
  padding: 22px;
}

.demo-app-header,
.demo-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
}

.demo-app-header h1 {
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 3.2vw, 3.4rem);
  line-height: 1.03;
}

.demo-app-badge {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  color: var(--text);
  white-space: nowrap;
}

.demo-app-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.demo-app-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 18px;
  margin-top: 18px;
}

.demo-panel-card {
  padding: 18px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.06);
}

.report-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 6px;
}

.demo-panel-head .report-chip,
.report-metrics .report-chip {
  white-space: nowrap;
}

.demo-panel-head .report-chip {
  flex-shrink: 0;
}

.compact-head {
  margin-top: 14px;
}

.fake-composer {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 180px 180px 1fr 100px;
  gap: 10px;
}

.fake-composer select,
.fake-composer input {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
}

.fake-send {
  width: 100%;
}

.demo-app-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 18px;
}

.slim-card {
  min-height: 220px;
}

.stat-list {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.stat-list div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--surface-2);
  color: var(--muted);
}

.stat-list strong {
  color: var(--text);
}

@media (max-width: 1440px) {
  .demo-app-shell {
    grid-template-columns: 300px 1fr;
    padding: 16px;
  }

  .demo-app-main {
    padding: 20px;
  }

  .demo-app-header h1 {
    font-size: clamp(1.9rem, 3vw, 3rem);
  }
}

@media (max-width: 1320px) {
  .demo-app-grid {
    grid-template-columns: 1fr;
  }

  .demo-panel-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .demo-app-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .demo-panel-card {
    padding: 16px;
  }

  .fake-composer {
    grid-template-columns: 1fr 1fr;
  }

  .fake-composer input {
    grid-column: 1 / -1;
  }

  .fake-send {
    grid-column: 1 / -1;
  }
}

@media (max-width: 1100px) {
  .hero,
  .demo-layout,
  .privacy-card {
    grid-template-columns: 1fr;
  }

  .path-grid,
  .feature-grid,
  .demo-columns {
    grid-template-columns: 1fr;
  }

  .demo-app-shell,
  .demo-app-grid,
  .demo-app-bottom {
    grid-template-columns: 1fr;
  }

  .demo-app-sidebar {
    position: static;
  }

  .demo-app-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .site-shell { padding: 16px; }
  .topbar,
  .nav,
  .section-head-split,
  .trust-band,
  .footer {
    flex-direction: column;
    align-items: start;
  }
  .preview-grid { grid-template-columns: 1fr; }
  .report-preview,
  .chat-preview { grid-column: auto; }
  .demo-app-shell { padding: 12px; }
  .fake-composer,
  .demo-app-metrics {
    grid-template-columns: 1fr;
  }
}