:root {
  color-scheme: light;
  --background: #f8fafd;
  --surface: #ffffff;
  --surface-soft: #f2f6fc;
  --border: #dadce0;
  --text: #202124;
  --muted: #5f6368;
  --primary: #0b57d0;
  --primary-soft: #eaf1fb;
  --success: #137333;
  --success-soft: #e6f4ea;
  font-family: "Google Sans", Roboto, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background: var(--background);
  font-size: 16px;
  line-height: 1.7;
}

a {
  color: var(--primary);
}

a:hover {
  text-decoration-thickness: 2px;
}

a:focus-visible {
  outline: 3px solid rgba(11, 87, 208, 0.25);
  outline-offset: 3px;
  border-radius: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
}

.nav-shell,
.page-shell {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}

.nav-shell {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--primary);
  border: 1px solid #d2e3fc;
  border-radius: 50%;
  background: var(--primary-soft);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-links a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--primary);
}

.page-shell {
  padding: 72px 0 80px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  align-items: center;
  gap: 48px;
  padding: 44px 0 68px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.04em;
}

.document h1 {
  font-size: clamp(34px, 5vw, 52px);
}

h2 {
  margin: 38px 0 12px;
  font-size: 24px;
  line-height: 1.35;
}

h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.lede {
  max-width: 680px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 19px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid var(--primary);
  border-radius: 999px;
  color: #ffffff;
  background: var(--primary);
  font-weight: 700;
  text-decoration: none;
  transition: background-color 180ms ease, box-shadow 180ms ease;
}

.button:hover {
  background: #0842a0;
  box-shadow: 0 3px 8px rgba(60, 64, 67, 0.2);
}

.button.secondary {
  color: var(--primary);
  background: var(--surface);
}

.hero-card,
.card,
.document {
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: 0 2px 7px rgba(60, 64, 67, 0.08);
}

.hero-card {
  padding: 26px;
}

.status-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--success);
  font-weight: 700;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #34a853;
  box-shadow: 0 0 0 5px var(--success-soft);
}

.check-list {
  display: grid;
  gap: 13px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.check-list svg {
  flex: 0 0 auto;
  margin-top: 4px;
  color: var(--primary);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  padding: 24px;
}

.card p,
.meta,
.document p,
.document li {
  color: var(--muted);
}

.document {
  max-width: 850px;
  margin: 0 auto;
  padding: clamp(28px, 6vw, 58px);
}

.document .meta {
  margin-bottom: 30px;
}

.notice {
  margin: 26px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--primary);
  border-radius: 0 12px 12px 0;
  background: var(--primary-soft);
}

.notice strong {
  display: block;
  margin-bottom: 4px;
}

.table-wrap {
  overflow-x: auto;
  margin: 18px 0 26px;
  border: 1px solid var(--border);
  border-radius: 14px;
}

table {
  width: 100%;
  min-width: 650px;
  border-collapse: collapse;
}

th,
td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--surface-soft);
  font-size: 14px;
}

tr:last-child td {
  border-bottom: 0;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.footer-shell {
  display: flex;
  width: min(1080px, calc(100% - 40px));
  min-height: 92px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
}

.footer-shell p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 760px) {
  .nav-shell {
    min-height: auto;
    padding: 14px 0;
    align-items: flex-start;
  }

  .nav-links {
    gap: 12px;
  }

  .nav-links a {
    font-size: 13px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 20px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .footer-shell {
    padding: 20px 0;
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .nav-shell,
  .page-shell,
  .footer-shell {
    width: min(100% - 28px, 1080px);
  }

  .brand span:last-child {
    display: none;
  }

  .page-shell {
    padding-top: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}
