:root {
  --bg: #fbfbfa;
  --surface: #ffffff;
  --line: #e9e9e7;
  --text: #0b0b0b;
  --soft: #8d8d8a;
  --muted: #6b6b68;
  --inv-bg: #0b0b0b;
  --inv-text: #fbfbfa;
  --sans: "Inter", "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Geist Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #050505; --surface: #0c0c0c; --line: #1f1f1f; --text: #f2f2f0; --soft: #7c7c79; --muted: #9a9a96;
    --inv-bg: #f2f2f0; --inv-text: #050505; color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 17px/1.6 var(--sans); letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
a { color: inherit; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* header */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: saturate(1.4) blur(14px); }
.top-row { display: flex; justify-content: space-between; align-items: center; height: 72px; }
.logo { font: 600 18px/1 var(--sans); letter-spacing: -0.03em; text-decoration: none; }
nav { display: flex; align-items: center; gap: 28px; font-size: 14px; }
nav a { text-decoration: none; color: var(--muted); transition: color .2s; }
nav a:hover { color: var(--text); }
nav .nav-cta { color: var(--inv-text); background: var(--inv-bg); padding: 9px 16px; border-radius: 999px; }
nav .nav-cta:hover { color: var(--inv-text); opacity: .85; }

/* hero */
.hero { text-align: center; padding: 168px 24px 120px; }
.eyebrow { font: 500 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .18em; color: var(--soft); margin: 0 0 32px; }
h1 { font-size: clamp(44px, 8vw, 92px); line-height: 1.02; font-weight: 600; letter-spacing: -0.045em; margin: 0 0 36px; }
.soft { color: var(--soft); }
.lede { max-width: 560px; margin: 0 auto 56px; font-size: 19px; color: var(--muted); }

/* email gate */
.gate { max-width: 460px; margin: 0 auto; }
.gate-form { display: flex; gap: 8px; padding: 6px; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; transition: border-color .2s, box-shadow .2s; }
.gate-form:focus-within { border-color: var(--text); box-shadow: 0 0 0 4px color-mix(in srgb, var(--text) 6%, transparent); }
.gate-form input[type="email"] { flex: 1; min-width: 0; font: inherit; font-size: 16px; padding: 10px 18px; border: 0; background: transparent; color: var(--text); outline: none; }
.btn { font: 500 15px/1 var(--sans); padding: 14px 24px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--text); cursor: pointer; white-space: nowrap; transition: opacity .2s; }
.btn.primary { background: var(--inv-bg); color: var(--inv-text); border-color: var(--inv-bg); }
.btn:hover { opacity: .85; }
.btn:disabled { opacity: .5; cursor: progress; }
.fine { font-size: 13px; color: var(--soft); margin: 18px 0 0; min-height: 1.6em; }
.fine.err { color: var(--text); }
.fine a { color: var(--muted); }
.ready { max-width: 520px; margin: 0 auto; }
.ready-title { font-size: 20px; font-weight: 500; letter-spacing: -0.02em; margin: 0; }

/* product mock */
.showcase { padding-bottom: 200px; }
.window { border: 1px solid var(--line); border-radius: 18px; background: var(--surface); overflow: hidden; box-shadow: 0 40px 80px -40px rgb(0 0 0 / .25); }
.chrome { display: flex; align-items: center; gap: 8px; height: 46px; padding: 0 18px; border-bottom: 1px solid var(--line); }
.chrome span { width: 11px; height: 11px; border-radius: 50%; background: var(--line); }
.chrome p { margin: 0 auto; padding-right: 57px; font: 12px/1 var(--mono); color: var(--soft); }
.window-body { display: grid; grid-template-columns: 1.6fr 1fr; }
.player { position: relative; aspect-ratio: 16 / 10; background: linear-gradient(135deg, color-mix(in srgb, var(--text) 7%, var(--bg)), color-mix(in srgb, var(--text) 2%, var(--bg))); border-right: 1px solid var(--line); }
.screen { position: absolute; inset: 12% 10% 22% 10%; border-radius: 8px; background: var(--surface); border: 1px solid var(--line);
  background-image: linear-gradient(var(--line) 0 0), linear-gradient(var(--line) 0 0), linear-gradient(var(--line) 0 0);
  background-size: 46% 8px, 70% 8px, 58% 8px; background-position: 9% 22%, 9% 42%, 9% 62%; background-repeat: no-repeat; }
.bubble { position: absolute; right: 7%; bottom: 14%; width: 17%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle at 50% 38%, var(--soft) 0 22%, transparent 23%), radial-gradient(circle at 50% 100%, var(--soft) 0 42%, transparent 43%), var(--line); border: 3px solid var(--surface); box-shadow: 0 8px 24px rgb(0 0 0 / .18); }
.scrub { position: absolute; left: 10%; right: 10%; bottom: 8%; height: 3px; border-radius: 3px; background: var(--line); }
.scrub div { width: 38%; height: 100%; border-radius: 3px; background: var(--text); }
.transcript { padding: 32px 30px; font-size: 15px; line-height: 1.75; }
.transcript p { margin: 0 0 18px; }
.transcript .tag { font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .16em; color: var(--soft); margin-bottom: 24px; }
.transcript s { color: var(--soft); text-decoration-thickness: 1.5px; }
.transcript .saved { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); font: 13px/1.4 var(--mono); color: var(--muted); }

/* features */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 64px; padding-bottom: 200px; }
.num { font: 12px/1 var(--mono); color: var(--soft); margin: 0 0 28px; }
.features h2 { font-size: 24px; font-weight: 600; letter-spacing: -0.03em; margin: 0 0 14px; }
.features p:last-child { color: var(--muted); margin: 0; }

/* statement */
.statement { text-align: center; padding-bottom: 200px; }
.statement h2 { font-size: clamp(32px, 5vw, 56px); line-height: 1.08; font-weight: 600; letter-spacing: -0.04em; max-width: 820px; margin: 0 auto 28px; }
.statement p { color: var(--muted); font-size: 19px; margin: 0; }

/* compare */
.compare { max-width: 760px; padding-bottom: 200px; }
table { width: 100%; border-collapse: collapse; font-size: 16px; }
th, td { text-align: left; padding: 22px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 500 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .16em; color: var(--soft); padding-bottom: 18px; }
td:first-child { color: var(--muted); width: 38%; }
td:nth-child(2) { color: var(--soft); width: 34%; }
td:last-child { font-weight: 500; }

/* closing */
.closing { text-align: center; padding-bottom: 180px; }
.closing h2 { font-size: clamp(30px, 4.4vw, 48px); line-height: 1.1; font-weight: 600; letter-spacing: -0.04em; margin: 0 auto 48px; max-width: 680px; }

/* feedback */
.feedback { max-width: 640px; padding-bottom: 96px; }
details summary { cursor: pointer; color: var(--muted); font-size: 14px; list-style: none; text-align: center; }
details summary::-webkit-details-marker { display: none; }
details summary:hover { color: var(--text); }
details[open] summary { margin-bottom: 24px; color: var(--text); }
.fb { display: grid; gap: 12px; }
.kinds { display: flex; gap: 20px; flex-wrap: wrap; font-size: 14px; color: var(--muted); }
.kinds label { cursor: pointer; }
.fb textarea, .fb input[type="email"] { font: inherit; font-size: 15px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--text); outline: none; width: 100%; resize: vertical; }
.fb textarea:focus, .fb input[type="email"]:focus { border-color: var(--text); }
.fb-row { display: flex; gap: 8px; }
.fb-row input { flex: 1; }

.foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--soft); padding-top: 32px; padding-bottom: 48px; border-top: 1px solid var(--line); }

@media (max-width: 760px) {
  body { font-size: 16px; }
  .wrap { padding-left: 16px; padding-right: 16px; }
  .hero { padding-top: 112px; padding-bottom: 88px; }
  .closing { padding-bottom: 120px; }
  .lede { font-size: 17px; margin-bottom: 40px; }
  .window-body { grid-template-columns: 1fr; }
  .player { border-right: 0; border-bottom: 1px solid var(--line); }
  .showcase, .features, .statement, .compare { padding-bottom: 120px; }
  .features { grid-template-columns: 1fr; gap: 56px; }
  nav { gap: 18px; }
  .gate-form { flex-direction: column; border-radius: 20px; }
  .gate-form input[type="email"] { padding: 12px 14px; }
  td:nth-child(2) { color: var(--soft); }
  th, td { padding-right: 12px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
.gate-form.known { justify-content: center; background: transparent; border: 0; padding: 0; box-shadow: none; }
.gate-form.known .btn { padding: 18px 32px; font-size: 16px; }
h1, h2, .lede, .statement p { text-wrap: balance; }
