:root {
  color-scheme: dark;
  --bg: #050505;
  --surface: #111111;
  --line: rgba(255, 255, 255, 0.14);
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.7);
  --accent: #f22727;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 50% 0, rgba(242, 39, 39, 0.12), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
  text-underline-offset: 4px;
}

a:hover {
  color: #ff6666;
}

.container {
  width: min(100% - 40px, 920px);
  margin-inline: auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: var(--text);
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.brand span,
.eyebrow {
  color: var(--accent);
}

.back-link {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

main {
  padding: clamp(56px, 8vw, 96px) 0;
}

article {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(38px, 7vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.updated {
  margin: 18px 0 44px;
  color: var(--muted);
  font-size: 14px;
}

.notice {
  margin: 0 0 36px;
  padding: 18px 20px;
  border: 1px solid rgba(242, 39, 39, 0.4);
  border-radius: 16px;
  background: rgba(242, 39, 39, 0.08);
}

section {
  margin-top: 42px;
}

h2 {
  margin: 0 0 12px;
  font-size: 24px;
  letter-spacing: -0.02em;
}

h3 {
  margin: 24px 0 8px;
  font-size: 17px;
}

p,
li {
  color: var(--muted);
}

ul {
  padding-left: 22px;
}

li + li {
  margin-top: 8px;
}

strong {
  color: var(--text);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 18px;
  font-size: 14px;
}

.data-table th,
.data-table td {
  padding: 14px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--text);
  background: var(--surface);
}

.site-footer {
  padding: 28px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 920px);
  }

  .site-header .container {
    min-height: 64px;
  }

  .data-table,
  .data-table tbody,
  .data-table tr,
  .data-table th,
  .data-table td {
    display: block;
  }

  .data-table th {
    border-bottom: 0;
  }

  .data-table td {
    margin-bottom: 12px;
  }
}