:root {
  --bg: #0b0f14;
  --card: #111824;
  --text: #e7eef7;
  --muted: #a9b7c6;
  --border: rgba(231, 238, 247, 0.12);
  --link: #8cc7ff;
  --link-hover: #b7ddff;
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --max: 920px;
}

* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  font-family:
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Arial,
    sans-serif;
  background:
    radial-gradient(
      1200px 700px at 20% -10%,
      rgba(140, 199, 255, 0.18),
      transparent 60%
    ),
    radial-gradient(
      900px 600px at 90% 10%,
      rgba(130, 255, 190, 0.1),
      transparent 55%
    ),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: var(--link);
  text-decoration: none;
}
a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px 18px 64px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  background: var(--card);
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  z-index: 1000;
}
.skip-link:focus {
  left: 12px;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: linear-gradient(
    135deg,
    rgba(140, 199, 255, 0.45),
    rgba(130, 255, 190, 0.2)
  );
  box-shadow: var(--shadow);
}
.brand h1,
.brand span {
  margin: 0;
}
.brand-title {
  font-weight: 700;
  letter-spacing: 0.2px;
}
.brand-sub {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.nav a {
  font-size: 14px;
  color: var(--text);
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
}
.nav a:hover {
  border-color: var(--border);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.03);
}

.hero {
  border: 1px solid var(--border);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.03),
    rgba(255, 255, 255, 0.015)
  );
  border-radius: var(--radius);
  padding: 28px 20px;
  box-shadow: var(--shadow);
}

.hero h2 {
  margin: 0 0 10px;
  font-size: 28px;
  line-height: 1.2;
}
.hero p {
  margin: 0 0 18px;
  color: var(--muted);
  max-width: 72ch;
}

.search-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}
.input {
  flex: 1 1 280px;
  min-width: 220px;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(17, 24, 36, 0.65);
  color: var(--text);
  outline: none;
}
.input:focus {
  border-color: rgba(140, 199, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(140, 199, 255, 0.12);
}

.btn {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(140, 199, 255, 0.14);
  color: var(--text);
  cursor: pointer;
  font-weight: 600;
}
.btn:hover {
  background: rgba(140, 199, 255, 0.2);
}

.grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.card {
  grid-column: span 12;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(17, 24, 36, 0.55);
  padding: 16px;
}
@media (min-width: 860px) {
  .card {
    grid-column: span 6;
  }
}

.card h3 {
  margin: 0 0 6px;
  font-size: 18px;
}
.card p {
  margin: 0 0 10px;
  color: var(--muted);
}
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.badge {
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  padding: 5px 8px;
  border-radius: 999px;
}

.footer {
  margin-top: 38px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

.article {
  border: 1px solid var(--border);
  background: rgba(17, 24, 36, 0.55);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.article h1 {
  margin: 0 0 10px;
  font-size: 30px;
  line-height: 1.2;
}

.article h2 {
  margin-top: 22px;
  margin-bottom: 10px;
  font-size: 20px;
}

.article p {
  color: var(--muted);
}
.article .lead {
  color: var(--text);
}

.table-wrap {
  overflow-x: auto;
  border-radius: 14px;
  border: 1px solid var(--border);
  margin-top: 10px;
}
table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(0, 0, 0, 0.15);
}
th,
td {
  padding: 12px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th {
  text-align: left;
  font-size: 13px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}
td {
  color: var(--muted);
}
small {
  color: var(--muted);
}

.callout {
  border: 1px dashed rgba(140, 199, 255, 0.45);
  background: rgba(140, 199, 255, 0.08);
  padding: 12px 14px;
  border-radius: 14px;
  color: var(--text);
}