:root {
  --bg: #fbfbfd; --surface: #ffffff; --text: #1d1d1f; --muted: #5f6368; --line: #e3e4ea;
  --brand-a: #2973ff; --brand-b: #6b38eb; --accent: #3a5bf0; --note-bg: #fff8e6; --note-line: #f0d48a;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0d0e14; --surface: #171923; --text: #f2f3f7; --muted: #a3a8b8; --line: #2a2d3c;
          --accent: #8fa4ff; --note-bg: #2a2412; --note-line: #6b5a1f; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.6;
       font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
a { color: var(--accent); }
.wrap { max-width: 1060px; margin: 0 auto; padding: 0 22px; }

header.nav { position: sticky; top: 0; z-index: 5; backdrop-filter: saturate(180%) blur(14px);
             background: color-mix(in srgb, var(--bg) 82%, transparent); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; gap: 18px; height: 58px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; color: var(--text); text-decoration: none; margin-right: auto; }
.brand img { width: 30px; height: 30px; }
.nav a.link { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav a.link:hover { color: var(--text); }

.hero { text-align: center; padding: 72px 0 40px; }
.hero img.icon { width: 112px; height: 112px; filter: drop-shadow(0 14px 28px rgba(60, 70, 200, .28)); }
h1 { font-size: clamp(36px, 6vw, 60px); line-height: 1.06; letter-spacing: -0.025em; margin: 22px 0 14px; }
.grad { background: linear-gradient(100deg, var(--brand-a), var(--brand-b)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(18px, 2.3vw, 22px); color: var(--muted); max-width: 720px; margin: 0 auto 28px; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-block; padding: 13px 24px; border-radius: 999px; font-weight: 600; text-decoration: none; font-size: 16px; }
.btn.primary { color: #fff; background: linear-gradient(100deg, var(--brand-a), var(--brand-b)); box-shadow: 0 8px 22px rgba(70, 80, 220, .3); }
.btn.soon { cursor: default; }
.btn.ghost { color: var(--text); border: 1px solid var(--line); background: var(--surface); }
.fine { color: var(--muted); font-size: 14px; margin-top: 14px; }

/* Illustration of the subtitle panel over a video. Pure CSS, not a screenshot. */
.stage { margin: 46px auto 0; max-width: 880px; aspect-ratio: 16 / 9; border-radius: 18px; position: relative; overflow: hidden;
         background: radial-gradient(120% 90% at 20% 10%, #33406b 0%, #171b2e 55%, #0b0d17 100%);
         box-shadow: 0 30px 70px rgba(20, 24, 60, .35); border: 1px solid rgba(255,255,255,.08); }
.stage .chrome { position: absolute; inset: 0 0 auto 0; height: 34px; background: rgba(255,255,255,.06); display: flex; gap: 7px; align-items: center; padding-left: 14px; }
.stage .chrome i { width: 11px; height: 11px; border-radius: 50%; background: rgba(255,255,255,.25); display: block; }
.stage .live { position: absolute; top: 50px; left: 18px; font-size: 12px; font-weight: 700; letter-spacing: .08em; color: #fff; background: #e5484d; padding: 3px 9px; border-radius: 6px; }
.stage .bars { position: absolute; left: 50%; top: 42%; transform: translate(-50%, -50%); display: flex; gap: 9px; align-items: center; height: 120px; opacity: .55; }
.stage .bars b { width: 12px; border-radius: 6px; background: linear-gradient(var(--brand-a), var(--brand-b)); display: block; animation: wave 1.6s ease-in-out infinite; }
.stage .bars b:nth-child(1) { height: 36%; animation-delay: -.2s } .stage .bars b:nth-child(2) { height: 74%; animation-delay: -.5s }
.stage .bars b:nth-child(3) { height: 100%; animation-delay: -.9s } .stage .bars b:nth-child(4) { height: 60%; animation-delay: -.3s }
.stage .bars b:nth-child(5) { height: 42%; animation-delay: -.7s }
@keyframes wave { 0%, 100% { transform: scaleY(.55) } 50% { transform: scaleY(1) } }
@media (prefers-reduced-motion: reduce) { .stage .bars b { animation: none } html { scroll-behavior: auto } }
.subs { position: absolute; left: 50%; bottom: 7%; transform: translateX(-50%); width: min(86%, 700px); text-align: center;
        background: rgba(0,0,0,.62); border-radius: 14px; padding: 12px 20px; color: #fff; }
.subs .orig { font-size: clamp(12px, 1.7vw, 17px); color: #d6d8e2; }
.subs .tran { font-size: clamp(16px, 2.6vw, 26px); font-weight: 650; line-height: 1.3; }
.caption { text-align: center; color: var(--muted); font-size: 13px; margin-top: 12px; }

section { padding: 64px 0; }
section.alt { background: var(--surface); border-block: 1px solid var(--line); }
h2 { font-size: clamp(27px, 3.6vw, 38px); letter-spacing: -0.02em; line-height: 1.15; margin: 0 0 10px; text-align: center; }
.sub { text-align: center; color: var(--muted); max-width: 700px; margin: 0 auto 36px; }
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 24px; }
section.alt .card { background: var(--bg); }
.card h3 { margin: 10px 0 6px; font-size: 19px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.emoji { font-size: 28px; line-height: 1; }
.note { background: var(--note-bg); border: 1px solid var(--note-line); border-radius: 16px; padding: 20px 24px; max-width: 820px; margin: 28px auto 0; font-size: 16px; }
.note strong { display: block; margin-bottom: 4px; }
ul.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px 28px; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }
ul.ticks li { padding-left: 30px; position: relative; }
ul.ticks li::before { content: "✓"; position: absolute; left: 0; top: 0; font-weight: 800; color: var(--accent); }
.steps { counter-reset: step; }
.steps .card::before { counter-increment: step; content: counter(step); display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
                       color: #fff; font-weight: 700; background: linear-gradient(100deg, var(--brand-a), var(--brand-b)); }
.price { max-width: 560px; margin: 0 auto; text-align: center; }
.price .big { font-size: 54px; font-weight: 750; letter-spacing: -0.03em; line-height: 1.1; }
.price .big small { font-size: 18px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
details { border-bottom: 1px solid var(--line); padding: 16px 0; max-width: 820px; margin: 0 auto; }
details summary { cursor: pointer; font-weight: 600; font-size: 18px; }
details p { color: var(--muted); margin: 10px 0 0; }

footer { padding: 38px 0 54px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }
footer .links { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-bottom: 14px; }
footer a { color: var(--muted); }

/* Policy and terms pages */
.doc { max-width: 780px; margin: 0 auto; padding: 56px 22px 72px; }
.doc h1 { font-size: clamp(30px, 4.4vw, 42px); margin: 0 0 6px; }
.doc .updated { color: var(--muted); margin: 0 0 30px; }
.doc h2 { text-align: left; font-size: 23px; margin: 34px 0 8px; }
.doc li { margin: 6px 0; }
.doc .summary { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 18px 22px; }