:root {
  --bg: #050506;
  --bg2: #0d0e10;
  --panel: #121316;
  --panel2: #191b20;
  --text: #f4f4f5;
  --muted: #a7abb2;
  --weak: #757b85;
  --silver: #d7dbe1;
  --line: rgba(255,255,255,.12);
  --line2: rgba(255,255,255,.22);
  --radius: 22px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 0%, rgba(255,255,255,.10), transparent 360px),
    linear-gradient(135deg, #040405 0%, #101114 46%, #050506 100%);
  line-height: 1.58;
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(1080px, calc(100% - 36px)); margin: 0 auto; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(5,5,6,.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: .02em; }
.brand img { width: 44px; height: 44px; object-fit: cover; border-radius: 13px; box-shadow: 0 12px 30px rgba(0,0,0,.55); }
.navlinks { display: flex; align-items: center; gap: 22px; color: var(--muted); font-size: 14px; font-weight: 700; }
.navlinks a:hover { color: var(--text); }
.minimal-hero { padding: 72px 0 34px; }
.hero-card {
  min-height: 640px;
  display: grid;
  justify-items: center;
  align-content: center;
  text-align: center;
  padding: 64px 34px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.065), rgba(255,255,255,.025)),
    radial-gradient(circle at 50% 8%, rgba(255,255,255,.10), transparent 300px),
    #0a0b0d;
  box-shadow: 0 28px 90px rgba(0,0,0,.52), inset 0 1px 0 rgba(255,255,255,.12);
}
.logo-mark {
  width: 156px;
  height: 156px;
  padding: 10px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 34px;
  background: linear-gradient(145deg, rgba(255,255,255,.13), rgba(255,255,255,.02));
  box-shadow: 0 20px 50px rgba(0,0,0,.45);
}
.logo-mark img { width: 100%; height: 100%; object-fit: cover; border-radius: 26px; display: block; }
.eyebrow, .section-kicker {
  margin-top: 28px;
  color: var(--silver);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .22em;
  text-transform: uppercase;
}
h1 { margin: 12px 0 0; font-size: clamp(44px, 8vw, 92px); line-height: .95; letter-spacing: -.055em; }
h2 { margin: 0 0 14px; font-size: clamp(26px, 4vw, 44px); line-height: 1.08; letter-spacing: -.035em; }
.lead { max-width: 760px; margin: 22px auto 0; color: var(--muted); font-size: clamp(17px, 2vw, 22px); }
.lead.compact { max-width: 680px; }
.doc-actions { width: min(820px, 100%); display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 42px; }
.doc-card {
  min-height: 168px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  text-align: left;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.025));
  color: var(--text);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.09);
}
.doc-card:hover { border-color: var(--line2); background: linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.035)); }
.doc-card span { color: var(--weak); font-size: 12px; font-weight: 900; letter-spacing: .14em; }
.doc-card b { margin-top: 18px; font-size: 18px; line-height: 1.2; }
.doc-card small { margin-top: 12px; color: var(--muted); font-size: 13px; line-height: 1.35; }
.primary-doc { border-color: rgba(215,219,225,.36); }
.legal-note { padding: 0 0 56px; }
.note-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.note-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255,255,255,.035);
}
.note-card .section-kicker { display: block; margin: 0 0 12px; }
.note-card p { margin: 0; color: var(--muted); font-size: 16px; }
footer { border-top: 1px solid var(--line); color: var(--muted); }
.footer-row { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 18px; font-size: 14px; }
.footer-row a { color: var(--silver); }
/* document pages */
.section.doc-section { padding: 62px 0; }
.split { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 20px; align-items: start; }
.panel {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255,255,255,.04);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
  padding: 26px;
}
.panel.light { background: rgba(255,255,255,.055); }
.panel h1 { font-size: clamp(34px, 5vw, 54px) !important; line-height: 1 !important; letter-spacing: -.045em; margin: 0 0 18px; }
.panel h2 { margin-top: 34px; font-size: 24px; }
.panel p { color: #d1d4d9; }
.panel .lead { max-width: none; margin: 0 0 28px; font-size: 18px; color: var(--muted); }
.list { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 10px; }
.list a { display: block; padding: 12px 14px; border: 1px solid var(--line); border-radius: 14px; color: var(--silver); }
.list a:hover { border-color: var(--line2); color: var(--text); }
.motion-lines, .metal-orb, .doc-lines, .doc-orb-a, .doc-orb-b { display: none !important; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 16px; border: 1px solid var(--line2); border-radius: 14px; color: var(--text); background: rgba(255,255,255,.05); font-weight: 800; }
.btn.secondary { color: var(--silver); }
@media (max-width: 820px) {
  .nav { min-height: 66px; }
  .navlinks { gap: 13px; font-size: 13px; }
  .brand span { display: none; }
  .minimal-hero { padding: 28px 0 22px; }
  .hero-card { min-height: auto; padding: 42px 20px; border-radius: 28px; }
  .logo-mark { width: 128px; height: 128px; border-radius: 30px; }
  .doc-actions, .note-grid, .split { grid-template-columns: 1fr; }
  .doc-card { min-height: 136px; }
  .footer-row { flex-direction: column; align-items: flex-start; justify-content: center; }
}
@media (max-width: 520px) {
  .wrap { width: min(100% - 24px, 1080px); }
  .navlinks a[href="mailto:support@ультра.online"] { display: none; }
  h1 { font-size: 44px; }
  .lead { font-size: 16px; }
}