:root {
  --bg: #fbfaf7; --ink: #1d2126; --muted: #5f6771; --line: #e3e0d8; --card: #fff; --band: #f1eee6;
  --accent: #0b6e6e; --accent-ink: #fff; --accent-soft: #d9ecea; --err: #a3271f;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #15181c; --ink: #eceef0; --muted: #a3abb4; --line: #2e333a; --card: #1e2227; --band: #1a1e23; --accent: #4fc0b8; --accent-ink: #082423; --accent-soft: #1d3a39; --err: #ff8f85; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 "Segoe UI", "Microsoft YaHei", "Nirmala UI", system-ui, Arial, sans-serif; }
a { color: var(--accent); }
h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.15; margin: 0 0 16px; letter-spacing: -0.01em; }
h2 { font-size: clamp(24px, 3.4vw, 32px); margin: 0 0 18px; }
h3 { font-size: 18px; margin: 0 0 6px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 640px; }
section { padding: 56px 0; }
section.wrap { padding: 56px 16px; }
.top { border-bottom: 1px solid var(--line); background: var(--card); }
.top-in { display: flex; align-items: center; gap: 18px; min-height: 58px; flex-wrap: wrap; }
.logo { font-weight: 700; font-size: 20px; text-decoration: none; color: var(--ink); }
.nav { display: flex; gap: 16px; margin-left: auto; flex-wrap: wrap; }
.nav a { text-decoration: none; color: var(--ink); }
select, input, textarea { font: inherit; color: inherit; background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 9px 10px; width: 100%; }
#lang { width: auto; padding: 5px 8px; }
.hero { padding-top: 44px; }
.hero-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 40px; align-items: center; }
.lead { font-size: 18px; color: var(--muted); margin: 0 0 22px; }
.shot { width: 100%; height: auto; border: 1px solid var(--line); border-radius: 8px; display: block; background: var(--band); }
.cta { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.btn { display: inline-block; font: inherit; font-weight: 600; padding: 11px 18px; border-radius: 7px; border: 1px solid var(--line); background: var(--card); color: var(--ink); text-decoration: none; cursor: pointer; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.off { opacity: .6; cursor: default; }
.small { font-size: 14px; color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px 32px; }
.grid p { margin: 0; color: var(--muted); }
.band { background: var(--band); border-block: 1px solid var(--line); }
.buy { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 420px); gap: 40px; align-items: start; }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.ticks li { padding-left: 26px; position: relative; }
.ticks li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 22px; display: grid; gap: 14px; }
.card label { display: grid; gap: 5px; font-size: 14px; }
.card label.check { display: flex; gap: 9px; align-items: flex-start; }
.card label.check input { width: auto; margin-top: 3px; }
.price { font-size: 38px; font-weight: 700; line-height: 1.1; }
#charge { margin: -8px 0 0; }
#charge:empty { display: none; }
.msg { margin: 0; color: var(--err); font-size: 14px; }
.msg:empty { display: none; }
.hp { position: absolute; left: -9999px; height: 1px; overflow: hidden; }
.foot { border-top: 1px solid var(--line); padding: 26px 0; }
.legal table { border-collapse: collapse; }
.legal th, .legal td { text-align: left; padding: 6px 14px 6px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.legal .wrap { max-width: 780px; padding-block: 28px; }
.legal h2 { font-size: 20px; margin: 24px 0 8px; }
.keybox { font: 600 clamp(17px, 4.2vw, 24px)/1.3 Consolas, monospace; padding: 14px; background: var(--accent-soft); border-radius: 8px; word-break: break-all; }
@media (max-width: 860px) {
  .hero-in, .buy { grid-template-columns: minmax(0, 1fr); }
  .grid { grid-template-columns: minmax(0, 1fr); }
  .nav { margin-left: 0; }
  section, section.wrap { padding-block: 38px; }
}
/* кабинет */
.adm { max-width: 1200px; margin: 0 auto; padding: 16px; }
.adm-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.adm-tabs button.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.adm table { border-collapse: collapse; width: 100%; font-size: 14px; }
.adm th, .adm td { border-bottom: 1px solid var(--line); padding: 7px 8px; text-align: left; vertical-align: top; }
.adm .scroll { overflow-x: auto; }
.adm tr.row { cursor: pointer; }
.adm tr.row:hover { background: var(--band); }
.adm .msgbox { white-space: pre-wrap; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin: 8px 0; }
.adm .msgbox.admin { background: var(--accent-soft); }
.adm .bar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 10px 0; }
.adm .btn { padding: 6px 12px; font-weight: 500; }
.adm input, .adm textarea { max-width: 520px; }
.adm .stats { display: flex; gap: 22px; flex-wrap: wrap; margin-bottom: 18px; }
.adm .stats b { display: block; font-size: 24px; }

#speed p { margin-top: 0; }
[hidden] { display: none !important; }
.btn:disabled { opacity: .55; cursor: default; }