:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #566173;
  --line: #d9e1ea;
  --paper: #f7f8f6;
  --white: #ffffff;
  --green: #1f8f55;
  --teal: #007c89;
  --gold: #b8842f;
  --coral: #d45d4c;
  --blue: #335c9c;
  --shadow: 0 18px 50px rgba(26, 38, 57, .14);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.6; }
body.no-scroll { overflow: hidden; }
a { color: inherit; }
img, svg { max-width: 100%; }
.skip-link { position: absolute; left: -999px; top: 12px; background: var(--ink); color: var(--white); padding: 10px 14px; z-index: 20; }
.skip-link:focus { left: 12px; }
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(247,248,246,.92); border-bottom: 1px solid rgba(217,225,234,.85); backdrop-filter: blur(14px); }
.nav { max-width: 1180px; margin: 0 auto; padding: 14px 20px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; letter-spacing: 0; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 8px; background: var(--ink); color: var(--white); font-weight: 900; }
.brand small { display: block; font-weight: 700; color: var(--muted); font-size: 12px; }
.nav-links { display: flex; align-items: center; gap: 18px; font-size: 14px; font-weight: 700; color: #253044; }
.nav-links a { text-decoration: none; }
.nav-links a:hover, .nav-links a:focus { color: var(--green); }
.menu-button { display: none; border: 1px solid var(--line); background: var(--white); border-radius: 8px; padding: 9px 11px; font-weight: 800; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 11px 18px; border: 1px solid var(--ink); border-radius: 8px; background: var(--ink); color: var(--white); text-decoration: none; font-weight: 800; cursor: pointer; }
.button.secondary { background: transparent; color: var(--ink); }
.button.light { background: var(--white); color: var(--ink); border-color: var(--white); }
.button:hover, .button:focus { transform: translateY(-1px); box-shadow: var(--shadow); }
.section { padding: 76px 20px; }
.section.tight { padding-top: 44px; }
.wrap { max-width: 1180px; margin: 0 auto; }
.hero { min-height: calc(100vh - 68px); display: grid; align-items: center; padding: 58px 20px 40px; background: radial-gradient(circle at 20% 20%, rgba(31,143,85,.16), transparent 34%), linear-gradient(135deg, #f7f8f6 0%, #e9f0ee 100%); }
.hero-grid { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(360px, .98fr); gap: 42px; align-items: center; }
.eyebrow { color: var(--green); text-transform: uppercase; letter-spacing: .14em; font-size: 12px; font-weight: 900; }
h1, h2, h3 { line-height: 1.05; margin: 0; letter-spacing: 0; }
h1 { font-size: clamp(44px, 7vw, 82px); }
h2 { font-size: clamp(32px, 4.6vw, 56px); }
h3 { font-size: 24px; }
.lead { font-size: clamp(18px, 2vw, 23px); color: #3d4858; max-width: 760px; }
.hero-actions, .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.note { color: var(--muted); font-size: 14px; }
.mockup { background: #172033; color: var(--white); border: 1px solid rgba(255,255,255,.16); border-radius: 8px; box-shadow: var(--shadow); overflow: hidden; }
.mockup-top { height: 38px; display: flex; align-items: center; gap: 7px; padding: 0 14px; background: #0e1525; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: #d45d4c; }
.dot:nth-child(2) { background: #d7a84f; }
.dot:nth-child(3) { background: #1f8f55; }
.mockup-body { padding: 18px; display: grid; gap: 14px; }
.video-panel { min-height: 210px; border-radius: 8px; background: linear-gradient(135deg, #243556, #152033); padding: 18px; display: grid; align-content: end; position: relative; overflow: hidden; }
.video-panel::before { content: ""; position: absolute; inset: 20px auto auto 20px; width: 86px; height: 86px; border: 2px solid rgba(255,255,255,.18); border-radius: 50%; }
.choice-row, .chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 1px solid rgba(255,255,255,.22); border-radius: 999px; padding: 7px 10px; font-size: 13px; color: rgba(255,255,255,.86); }
.voice-bar { display: flex; align-items: center; gap: 10px; padding: 12px; border-radius: 8px; background: rgba(255,255,255,.08); }
.wave { flex: 1; height: 28px; background: repeating-linear-gradient(90deg, rgba(95,189,159,.85) 0 4px, transparent 4px 11px); opacity: .8; clip-path: polygon(0 54%,5% 38%,10% 65%,15% 30%,20% 70%,25% 42%,30% 60%,35% 28%,40% 72%,45% 44%,50% 62%,55% 34%,60% 68%,65% 40%,70% 58%,75% 32%,80% 70%,85% 46%,90% 60%,95% 40%,100% 55%,100% 100%,0 100%); }
.grid-3, .grid-2, .grid-4 { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { background: var(--white); border: 1px solid var(--line); border-radius: 8px; padding: 24px; box-shadow: 0 8px 22px rgba(26,38,57,.06); }
.card.accent { border-top: 5px solid var(--green); }
.card.teal { border-top: 5px solid var(--teal); }
.card.gold { border-top: 5px solid var(--gold); }
.card.coral { border-top: 5px solid var(--coral); }
.section-title { display: grid; gap: 14px; margin-bottom: 30px; max-width: 860px; }
.band { background: var(--ink); color: var(--white); }
.band .lead, .band .note { color: rgba(255,255,255,.72); }
.process { counter-reset: step; }
.process .card { position: relative; padding-top: 42px; }
.process .card::before { counter-increment: step; content: counter(step); position: absolute; top: 18px; right: 18px; color: var(--green); font-weight: 900; font-size: 30px; line-height: 1; }
.mini-ui { border: 1px solid var(--line); background: #f8fafc; border-radius: 8px; padding: 16px; display: grid; gap: 10px; }
.mini-line { height: 10px; border-radius: 999px; background: #dfe7ef; }
.mini-line.short { width: 62%; }
.mini-line.green { background: rgba(31,143,85,.35); }
.demo-shell { display: grid; grid-template-columns: .8fr 1.2fr; gap: 18px; align-items: stretch; }
.demo-controls { display: grid; gap: 10px; }
.demo-controls button { min-height: 42px; border: 1px solid var(--line); background: var(--white); border-radius: 8px; padding: 10px; text-align: left; font-weight: 800; cursor: pointer; }
.demo-controls button.active { border-color: var(--green); background: rgba(31,143,85,.1); }
.demo-stage { background: #101827; color: var(--white); border-radius: 8px; padding: 22px; min-height: 360px; display: grid; align-content: start; gap: 16px; }
.transcript { background: rgba(255,255,255,.08); border-radius: 8px; padding: 14px; }
.footer { padding: 42px 20px; border-top: 1px solid var(--line); background: var(--white); }
.footer-grid { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 24px; }
.footer a { color: var(--muted); text-decoration: none; display: inline-block; margin: 4px 0; }
.page-hero { padding: 72px 20px 46px; background: linear-gradient(135deg, #f7f8f6, #e8efed); }
.page-hero .wrap { display: grid; gap: 16px; }
.legal { max-width: 850px; }
.legal h2 { font-size: 30px; margin-top: 32px; }
.form { display: grid; gap: 14px; max-width: 720px; }
label { font-weight: 800; }
input, textarea, select { width: 100%; min-height: 46px; border: 1px solid var(--line); border-radius: 8px; padding: 12px; font: inherit; }
textarea { min-height: 140px; }
:focus-visible { outline: 3px solid rgba(0,124,137,.35); outline-offset: 2px; }
@media (max-width: 900px) {
  .hero-grid, .grid-3, .grid-2, .grid-4, .demo-shell, .footer-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; position: absolute; left: 20px; right: 20px; top: 66px; padding: 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); box-shadow: var(--shadow); }
  .nav-links.open { display: grid; }
  .menu-button { display: inline-flex; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}
