:root {
  --bg: #f7f8fb;
  --ink: #151821;
  --muted: #737b8c;
  --line: rgba(21, 24, 33, .11);
  --line-strong: rgba(21, 24, 33, .22);
  --card: #ffffff;
  --blue: #3478f6;
  --coral: #ff5c7a;
  --mint: #21c78a;
  --lilac: #edebff;
  --yellow: #ffd966;
  --shadow: 0 16px 38px rgba(26, 33, 48, .10);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { min-height: 100%; color: var(--ink); background: var(--bg); font-family: var(--font); }
body { min-height: 100vh; letter-spacing: 0; }
a { color: var(--blue); text-decoration: none; font-weight: 850; }
a:hover { text-decoration: underline; }
body.doc-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 20px 72px;
  line-height: 1.72;
  font-size: 15px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,0) 220px),
    var(--bg);
}
body.doc-page h1 {
  font-size: clamp(32px, 8vw, 48px);
  line-height: 1.04;
  font-weight: 950;
  color: var(--ink);
  margin-bottom: 10px;
}
body.doc-page h2 {
  font-size: 22px;
  line-height: 1.15;
  font-weight: 950;
  margin: 34px 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}
body.doc-page h3 {
  font-size: 17px;
  line-height: 1.25;
  font-weight: 950;
  margin: 24px 0 8px;
  color: var(--ink);
}
body.doc-page h4 { font-size: 15px; font-weight: 950; margin: 18px 0 6px; color: var(--ink); }
body.doc-page p { margin: 10px 0; color: var(--ink); }
body.doc-page .meta {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  margin-bottom: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: rgba(255,255,255,.9);
  font-size: 12px;
  font-weight: 850;
}
body.doc-page section {
  padding: 18px;
  margin: 14px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.94);
  box-shadow: var(--shadow);
}
body.doc-page section h2:first-child { margin-top: 0; }
body.doc-page ul, body.doc-page ol { padding-left: 1.35em; margin: 10px 0; }
body.doc-page li { margin: 7px 0; color: var(--ink); }
body.doc-page strong { color: var(--ink); font-weight: 950; }
body.doc-page address { margin: 10px 0; font-style: normal; color: var(--ink); }
body.doc-page table { width: 100%; border-collapse: collapse; margin: 14px 0; overflow: hidden; border-radius: 8px; }
body.doc-page th, body.doc-page td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
body.doc-page th { background: var(--lilac); font-weight: 950; }
body.landing-page {
  display: grid;
  place-items: center;
  padding: 24px;
  line-height: 1.6;
  background:
    radial-gradient(circle at 14% 12%, rgba(255, 217, 102, .24), transparent 31%),
    radial-gradient(circle at 86% 14%, rgba(255, 92, 122, .18), transparent 30%),
    linear-gradient(180deg, #171d2a, #0e121c);
}
body.landing-page .container {
  width: min(100%, 420px);
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--bg);
  box-shadow: 0 34px 100px rgba(0, 0, 0, .42);
  text-align: center;
}
.logo {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
  border-radius: 16px;
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--coral));
  font-weight: 950;
  font-size: 26px;
}
body.landing-page h1 { font-size: 34px; line-height: 1.04; font-weight: 950; color: var(--ink); }
body.landing-page .subtitle { color: var(--muted); margin: 8px 0 24px; font-size: 13px; font-weight: 850; }
body.landing-page .links { list-style: none; padding: 0; display: grid; gap: 10px; }
body.landing-page .links a {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  color: white;
  background: var(--blue);
  font-size: 15px;
  font-weight: 850;
  transition: transform .18s ease, filter .18s ease;
}
body.landing-page .links li:nth-child(2) a { background: var(--coral); }
body.landing-page .links li:nth-child(3) a { background: var(--mint); }
body.landing-page .links a:hover { text-decoration: none; filter: brightness(.96); }
body.landing-page .links a:active { transform: scale(.98); }
body.support-page {
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,0) 260px),
    radial-gradient(circle at 16% 12%, rgba(52, 120, 246, .16), transparent 32%),
    radial-gradient(circle at 84% 8%, rgba(255, 92, 122, .14), transparent 30%),
    var(--bg);
}
.support-shell {
  width: min(100%, 920px);
  margin: 0 auto;
  padding: 56px 20px 72px;
}
.support-hero {
  display: grid;
  gap: 12px;
  max-width: 720px;
  margin-bottom: 28px;
}
.support-hero .logo {
  margin: 0 0 4px;
}
.eyebrow {
  color: var(--blue);
  font-size: 13px;
  font-weight: 950;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.support-hero h1 {
  font-size: clamp(34px, 8vw, 58px);
  line-height: 1.02;
  font-weight: 950;
  max-width: 760px;
}
.intro {
  max-width: 640px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}
.support-section {
  padding: 22px;
  margin: 16px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.94);
  box-shadow: var(--shadow);
}
.support-section h2 {
  font-size: 22px;
  line-height: 1.2;
  font-weight: 950;
  margin-bottom: 14px;
}
.support-section h3 {
  font-size: 16px;
  line-height: 1.25;
  font-weight: 950;
  margin-bottom: 8px;
}
.support-section p,
.support-section li {
  color: var(--ink);
  font-size: 15px;
  line-height: 1.72;
}
.support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.support-grid article {
  min-height: 168px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.support-list {
  padding-left: 1.35em;
}
.support-list li {
  margin: 8px 0;
}
.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
  font-weight: 850;
}
@media (max-width: 520px) {
  body.doc-page { padding: 36px 14px 52px; font-size: 14px; }
  body.doc-page section { padding: 14px; }
  body.doc-page th, body.doc-page td { padding: 8px; }
  .support-shell { padding: 36px 14px 52px; }
  .support-section { padding: 16px; }
  .support-grid { grid-template-columns: 1fr; }
  .support-grid article { min-height: auto; }
}
@media (prefers-color-scheme: dark) {
  html { color: #e9edf6; background: #111722; }
  body.doc-page {
    background:
      linear-gradient(180deg, rgba(23,29,42,.78), rgba(23,29,42,0) 220px),
      #111722;
  }
  body.doc-page h1, body.doc-page h2, body.doc-page h3, body.doc-page h4, body.doc-page p, body.doc-page li, body.doc-page strong, body.doc-page address { color: #edf1f8; }
  body.doc-page .meta { color: #aeb6c8; background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.12); }
  body.doc-page section { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.12); box-shadow: none; }
  body.doc-page h2 { border-bottom-color: rgba(255,255,255,.12); }
  body.doc-page th, body.doc-page td { border-color: rgba(255,255,255,.14); }
  body.doc-page th { background: rgba(237,235,255,.14); }
  body.support-page {
    background:
      linear-gradient(180deg, rgba(23,29,42,.78), rgba(23,29,42,0) 260px),
      radial-gradient(circle at 16% 12%, rgba(52, 120, 246, .18), transparent 32%),
      radial-gradient(circle at 84% 8%, rgba(255, 92, 122, .14), transparent 30%),
      #111722;
  }
  .support-hero h1, .support-section h2, .support-section h3, .support-section p, .support-section li { color: #edf1f8; }
  .intro { color: #aeb6c8; }
  .support-section, .support-grid article { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.12); box-shadow: none; }
  a { color: #8fb7ff; }
}