:root {
  --bg: #080b12;
  --bg-2: #10141e;
  --card: #161b28;
  --line: #262c3c;
  --text: #e8ecf4;
  --muted: #8b93a7;
  --accent: #4d7cff;
  --accent-2: #ff7a1a;
  --ok: #3dcf8e;
  --warn: #e0a106;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --r: 16px;
  --max: 1120px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 16px/1.55 "Segoe UI", Inter, system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 480px at 90% -10%, rgba(77, 124, 255, 0.18), transparent 55%),
    radial-gradient(700px 420px at -10% 10%, rgba(255, 122, 26, 0.12), transparent 50%),
    var(--bg);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
.wrap { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav-in {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.brand:hover { text-decoration: none; }
.brand img { width: 34px; height: 34px; border-radius: 8px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  flex-wrap: wrap;
}
.nav-links a {
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
}
.nav-links a:hover, .nav-links a.on { color: var(--text); background: var(--card); text-decoration: none; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 42px;
  padding: 0 16px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text) !important;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn:hover { text-decoration: none; filter: brightness(1.08); color: var(--text) !important; }
.btn.primary {
  background: linear-gradient(180deg, #6b93ff, #3d5ee8);
  border-color: transparent;
  color: #ffffff !important;
}
.btn.primary:hover {
  background: linear-gradient(180deg, #81a4ff, #5171f5);
  color: #ffffff !important;
}
.btn.orange {
  background: linear-gradient(180deg, #ff9440, #e56a10);
  border-color: transparent;
  color: #ffffff !important;
}
.btn.orange:hover {
  background: linear-gradient(180deg, #ffa860, #f77c25);
  color: #ffffff !important;
}
.nav-links a.btn.primary {
  color: #ffffff !important;
  height: 36px;
  font-size: 13.5px;
  border-radius: 8px;
  margin-left: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.nav-links a.btn.primary:hover {
  color: #ffffff !important;
  background: linear-gradient(180deg, #81a4ff, #5171f5);
}
.menu-btn {
  display: none;
  margin-left: auto;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  border-radius: 8px;
}

.hero { padding: 72px 0 48px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ok);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hero h1 {
  margin: 10px 0 14px;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.hero p.lead { color: var(--muted); font-size: 18px; margin: 0 0 22px; max-width: 52ch; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; }
.tiny { color: var(--muted); font-size: 13px; margin-top: 12px; }
.hero-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.hero-card ul { margin: 10px 0 0; padding-left: 18px; color: var(--muted); }
.hero-card li { margin: 6px 0; }

.section { padding: 28px 0 56px; }
.section h2 { font-size: 28px; letter-spacing: -0.03em; margin: 0 0 8px; }
.sub { color: var(--muted); margin: 0 0 22px; max-width: 70ch; }
.grid-3, .grid-2 {
  display: grid;
  gap: 16px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: 1fr 1fr; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 18px;
}
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); }
.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--warn);
  border: 1px solid color-mix(in srgb, var(--warn) 40%, transparent);
  background: color-mix(in srgb, var(--warn) 12%, transparent);
  border-radius: 999px;
  padding: 2px 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-size: 13px; }
tr:last-child td { border-bottom: 0; }
code, .mono { font-family: ui-monospace, Consolas, monospace; font-size: 0.92em; }

.legal h2 { margin-top: 28px; }
.legal h3 { margin: 18px 0 8px; }
.legal p, .legal li { color: var(--muted); }
.legal ul { padding-left: 18px; }

.foot {
  border-top: 1px solid var(--line);
  padding: 28px 0 36px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 13px;
}
.foot-in {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 20px;
}
.foot a { color: var(--muted); }
.foot strong { color: var(--text); display: block; margin-bottom: 8px; }
.foot .copy { margin-top: 22px; }

.prob {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.prob .card h3 { color: var(--text); }
.prob .bad { border-color: color-mix(in srgb, #e85d5d 35%, var(--line)); }
.prob .good { border-color: color-mix(in srgb, var(--ok) 35%, var(--line)); }
.note-box {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--muted);
}
.note-box strong { color: var(--text); }

@media (max-width: 860px) {
  .prob { grid-template-columns: 1fr; }
  .hero-grid, .grid-3, .grid-2, .foot-in { grid-template-columns: 1fr; }
  .menu-btn { display: grid; place-items: center; }
  .nav-links {
    display: none;
    position: absolute;
    left: 16px;
    right: 16px;
    top: 64px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 8px;
    flex-direction: column;
    align-items: stretch;
  }
  .nav-links.open { display: flex; }
  .nav-links a.btn.primary {
    margin-left: 0;
    margin-top: 8px;
    width: 100%;
    text-align: center;
  }
}