:root {
  --bg: #111318; --panel: #1a1d24; --panel-2: #21252e; --border: #2c313c;
  --text: #e6e8ee; --muted: #8b93a5; --accent: #6ea8fe;
  --q1: #e5534b; --q2: #3fb950; --q3: #d29922; --q4: #6e7681; --radius: 10px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
nav { position: sticky; top: 0; z-index: 10; background: rgba(17,19,24,.85); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
nav .wrap { display: flex; align-items: center; gap: 12px; height: 60px; }
nav .brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 18px; }
nav .brand img { width: 28px; height: 28px; border-radius: 6px; }
nav .links { margin-left: auto; display: flex; gap: 6px; align-items: center; }
nav .links a { color: var(--muted); text-decoration: none; padding: 8px 12px; border-radius: 8px; font-size: 14px; }
nav .links a:hover { color: var(--text); background: var(--panel); }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--panel-2); color: var(--text); text-decoration: none; font-weight: 600; font-size: 15px; cursor: pointer; }
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #0b1424; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.small { padding: 8px 14px; font-size: 14px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; }
h1 { font-size: clamp(34px, 6vw, 56px); letter-spacing: -.02em; }
h2 { font-size: clamp(26px, 4vw, 34px); letter-spacing: -.01em; }
h3 { font-size: 18px; }
p { margin: 0 0 14px; }
.muted { color: var(--muted); }
section { padding: 72px 0; border-top: 1px solid var(--border); }
section.hero { border-top: none; padding: 80px 0 40px; }
.lead { font-size: 19px; color: var(--muted); max-width: 640px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0 10px; }
.fine { font-size: 13px; color: var(--muted); }
.shot { margin: 40px auto 0; max-width: 910px; border: 1px solid var(--border); border-radius: 14px; overflow: hidden; box-shadow: 0 30px 80px rgba(0,0,0,.5); background: var(--panel); }
.shot img { display: block; width: 100%; height: auto; }
.grid { display: grid; gap: 18px; }
.grid.two { grid-template-columns: 1fr 1fr; }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.grid.four { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.card.q { border-top: 3px solid var(--qc); }
.card.q h3 { color: var(--qc); }
.q1 { --qc: var(--q1); } .q2 { --qc: var(--q2); } .q3 { --qc: var(--q3); } .q4 { --qc: var(--q4); }
.card p:last-child { margin: 0; }
code { background: var(--panel-2); border: 1px solid var(--border); padding: 1px 7px; border-radius: 6px; color: var(--accent); font-size: .92em; }
.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.phone { width: 300px; max-width: 100%; margin: 0 auto; border: 1px solid var(--border); border-radius: 28px; overflow: hidden; box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.phone img { display: block; width: 100%; height: auto; }
.faq details { border-bottom: 1px solid var(--border); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "+"; display: inline-block; width: 22px; color: var(--accent); }
.faq details[open] summary::before { content: "–"; }
.faq details p { margin: 8px 0 0 22px; color: var(--muted); }
footer { border-top: 1px solid var(--border); padding: 30px 0 50px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--text); }
footer .spacer { flex: 1; }
.doc { max-width: 760px; margin: 0 auto; padding: 50px 20px 80px; }
.doc h1 { font-size: 36px; }
.doc h2 { font-size: 22px; margin-top: 34px; }
.doc ul, .doc ol { padding-left: 22px; }
.doc li { margin: 6px 0; }
.steps { counter-reset: s; }
.steps .card { position: relative; padding-left: 58px; }
.steps .card::before { counter-increment: s; content: counter(s); position: absolute; left: 18px; top: 18px; width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: #0b1424; font-weight: 700; display: grid; place-items: center; font-size: 14px; }
.kbd { font: 12px ui-monospace, monospace; background: var(--panel-2); border: 1px solid var(--border); border-radius: 5px; padding: 1px 6px; }
@media (max-width: 820px) {
  .grid.two, .grid.three, .grid.four, .split { grid-template-columns: 1fr; }
  section { padding: 52px 0; }
  nav .links a.text { display: none; }
}