:root {
  --bg: #0b0b0c;
  --bg-2: #121214;
  --panel: #17181b;
  --line: rgba(255, 255, 255, 0.09);
  --text: #f2f2f0;
  --muted: #b3b3ae;
  --gold: #d4a843;
  --gold-2: #e2b955;
  --max: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; border-radius: 4px; }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--gold); color: #0b0b0c; padding: 8px 14px; border-radius: 8px; z-index: 100; font-weight: 600; }
.skip:focus { left: 12px; }
.muted { color: var(--muted); }

/* header */
.top { position: sticky; top: 0; z-index: 10; background: rgba(11, 11, 12, 0.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.mark { display: flex; align-items: baseline; gap: 8px; color: var(--text); font-weight: 700; letter-spacing: 0.08em; white-space: nowrap; }
.mark:hover { text-decoration: none; }
.mark .l { color: var(--gold); font-size: 20px; }
.mark .s { color: var(--muted); font-size: 12px; letter-spacing: 0.18em; }
.mark sup { font-size: 9px; color: var(--muted); }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { color: var(--muted); font-size: 14px; }
.nav a:hover { color: var(--text); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--text); border-bottom: 2px solid var(--gold); padding-bottom: 2px; }
.nav a.btn, .nav a.btn[aria-current="page"] { color: #0b0b0c; border-bottom: 0; padding: 10px 16px; }
.menu { display: none; position: relative; }
.menu summary { list-style: none; cursor: pointer; color: var(--text); font-size: 14px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; }
.menu summary::-webkit-details-marker { display: none; }
.menu[open] summary { border-color: var(--gold); }
.menu .panel { position: absolute; right: 0; top: 48px; min-width: 220px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 10px; display: flex; flex-direction: column; gap: 4px; box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6); }
.menu .panel a { color: var(--text); padding: 10px 12px; border-radius: 8px; font-size: 15px; }
.menu .panel a:hover { background: rgba(255, 255, 255, 0.05); text-decoration: none; }
.menu .panel a[aria-current="page"] { color: var(--gold); }
.menu .panel a.btn { color: #0b0b0c; margin-top: 6px; text-align: center; }

.btn { display: inline-block; background: var(--gold); color: #0b0b0c; font-weight: 600; padding: 12px 20px; border-radius: 10px; border: 0; }
.btn:hover { background: var(--gold-2); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--gold); background: transparent; }

/* hero */
.hero { padding: 80px 0 48px; border-bottom: 1px solid var(--line); background: radial-gradient(1200px 500px at 70% -10%, rgba(212, 168, 67, 0.12), transparent 60%); }
.eyebrow { color: var(--gold); font-size: 13px; letter-spacing: 0.2em; text-transform: uppercase; margin: 0 0 16px; }
h1 { font-size: clamp(34px, 5vw, 58px); line-height: 1.08; margin: 0 0 20px; letter-spacing: -0.015em; max-width: 16ch; }
.lead { font-size: 19px; color: var(--muted); max-width: 62ch; margin: 0 0 28px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 44px; }
.cta small { color: var(--muted); font-size: 13px; }
.shot { border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--panel); box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55); margin: 0; }
.shot img { width: 100%; }
.caption { color: var(--muted); font-size: 13px; margin-top: 10px; }

/* sections */
section { padding: 72px 0; border-bottom: 1px solid var(--line); }
section.tight { padding: 48px 0; }
h2 { font-size: clamp(26px, 3.2vw, 36px); margin: 0 0 12px; letter-spacing: -0.01em; }
h3 { font-size: 20px; margin: 0 0 8px; }
.sub { color: var(--muted); max-width: 66ch; margin: 0 0 36px; font-size: 17px; }
.page-head { padding: 64px 0 40px; border-bottom: 1px solid var(--line); background: radial-gradient(900px 400px at 80% -10%, rgba(212, 168, 67, 0.1), transparent 60%); }
.page-head h1 { margin-bottom: 14px; }
.page-head .lead { margin-bottom: 0; }

.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.card h3 { margin: 0 0 8px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card .k { color: var(--gold); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 10px; }
.card ul { padding-left: 18px; margin: 10px 0 0; color: var(--muted); font-size: 15px; }
.card li { margin-bottom: 6px; }
a.card { display: block; color: var(--text); }
a.card:hover { text-decoration: none; border-color: var(--gold); }
a.card .more { color: var(--gold); font-size: 14px; margin-top: 10px; display: block; }

.feature { display: grid; grid-template-columns: 1fr 1.4fr; gap: 36px; align-items: center; padding: 36px 0; }
.feature.flip { grid-template-columns: 1.4fr 1fr; }
.feature.flip .text { order: 2; }
.feature h3 { font-size: 24px; margin: 0 0 10px; }
.feature p { color: var(--muted); margin: 0 0 14px; }
.feature ul { margin: 0; padding-left: 18px; color: var(--muted); }
.feature li { margin-bottom: 6px; }
.feature .text a:not(.btn) { color: var(--gold); }

/* feature groups on /features/ */
.toc { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.toc a { display: inline-block; padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 14px; }
.toc a:hover { border-color: var(--gold); color: var(--text); text-decoration: none; }
.group { padding: 56px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 80px; }
.group .k { color: var(--gold); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; margin: 0 0 8px; }
.group h2 { font-size: clamp(24px, 2.8vw, 32px); }
.group .cols { display: grid; grid-template-columns: 1fr 1.3fr; gap: 36px; align-items: start; }
.group .cols.one { grid-template-columns: 1fr; max-width: 70ch; }
.group ul { margin: 0; padding-left: 18px; color: var(--muted); }
.group li { margin-bottom: 8px; }
.group li strong { color: var(--text); font-weight: 600; }
.tag { display: inline-block; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); border: 1px solid rgba(212, 168, 67, 0.5); border-radius: 999px; padding: 2px 8px; margin-left: 6px; vertical-align: middle; }
.stack { display: grid; gap: 18px; }

/* steps */
.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; display: grid; gap: 14px; }
.steps li { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 22px 22px 22px 76px; position: relative; }
.steps li::before { counter-increment: step; content: counter(step); position: absolute; left: 22px; top: 20px; width: 36px; height: 36px; border-radius: 50%; background: var(--gold); color: #0b0b0c; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.steps h3 { margin: 0 0 6px; font-size: 18px; }
.steps p { margin: 0; color: var(--muted); }
.steps ul { margin: 8px 0 0; padding-left: 18px; color: var(--muted); }

/* faq */
.faq details { border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; margin-bottom: 10px; background: var(--panel); }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { color: var(--muted); margin: 10px 0 0; }
.faq details p + p { margin-top: 8px; }

/* prose (privacy, terms, about) */
.prose { max-width: 72ch; }
.prose h2 { font-size: 22px; margin: 36px 0 10px; }
.prose h3 { font-size: 17px; margin: 22px 0 6px; }
.prose p, .prose li { color: var(--muted); }
.prose ul { padding-left: 20px; }
.prose li { margin-bottom: 6px; }
.prose strong { color: var(--text); }
.prose .meta { font-size: 14px; }

/* contact */
.contact .card { padding: 26px; }
.contact .card .addr { font-size: 20px; font-weight: 600; word-break: break-all; }
.contact .card p { margin-top: 10px; }

.final { text-align: center; padding: 96px 0; border-bottom: 0; }
.final h2 { margin-bottom: 10px; }
.final .sub { margin: 0 auto 28px; }

footer { padding: 40px 0 48px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }
footer .cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 28px; margin-bottom: 28px; }
footer h4 { margin: 0 0 10px; color: var(--text); font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; }
footer ul { list-style: none; margin: 0; padding: 0; }
footer li { margin-bottom: 6px; }
footer a { color: var(--muted); }
footer a:hover { color: var(--text); }
footer .legal { display: flex; flex-wrap: wrap; gap: 10px 28px; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 18px; font-size: 13px; }
footer .mark { margin-bottom: 10px; }

.cta.center { justify-content: center; }
.err { text-align: center; padding: 120px 0; }
.err h1 { margin: 0 auto 14px; }
.err p { color: var(--muted); }

@media (max-width: 900px) {
  .nav { display: none; }
  .menu { display: block; }
  .grid3, .grid2, .grid4 { grid-template-columns: 1fr; }
  .feature, .feature.flip { grid-template-columns: 1fr; }
  .feature.flip .text { order: 0; }
  .group .cols { grid-template-columns: 1fr; }
  .hero { padding-top: 52px; }
  footer .cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  footer .cols { grid-template-columns: 1fr; }
  .wrap { padding: 0 18px; }
  section { padding: 56px 0; }
}
@media print {
  .top, .final, footer .cols { display: none; }
  body { background: #fff; color: #000; }
  .prose p, .prose li, .muted, .sub { color: #222; }
}