:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --text: #e8edf4;
  --muted: #94a3b8;
  --accent: #3b82f6;
  --accent-soft: rgba(59, 130, 246, 0.12);
  --border: rgba(148, 163, 184, 0.18);
  --gold: #d4a853;
  --max-width: 720px;
  --radius: 12px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: linear-gradient(180deg, #0b0f14 0%, var(--bg) 40%, #121820 100%);
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(15, 20, 25, 0.85);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header-inner,
.page-wrap,
.site-footer-inner {
  max-width: calc(var(--max-width) + 48px);
  margin: 0 auto;
  padding: 0 24px;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}

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

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #1d4ed8);
  display: grid;
  place-items: center;
  font-size: 18px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 14px;
}

.nav-links a {
  color: var(--muted);
}

.nav-links a[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}

.page-wrap {
  padding-top: 40px;
  padding-bottom: 64px;
}

.hero {
  margin-bottom: 32px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  line-height: 1.2;
}

.hero p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.card-grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover {
  border-color: rgba(59, 130, 246, 0.45);
  transform: translateY(-1px);
}

.card h2 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.card p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

.card-link {
  font-size: 0.9rem;
  font-weight: 600;
}

.content-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.content-card h1 {
  margin-top: 0;
  font-size: clamp(1.6rem, 3.5vw, 2rem);
}

.content-card h2 {
  margin-top: 32px;
  margin-bottom: 12px;
  font-size: 1.2rem;
  color: var(--text);
}

.content-card h3 {
  margin-top: 24px;
  margin-bottom: 8px;
  font-size: 1rem;
}

.content-card p,
.content-card li {
  color: #cbd5e1;
}

.content-card ul,
.content-card ol {
  padding-left: 1.25rem;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.notice {
  background: var(--accent-soft);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 24px 0;
  color: #dbeafe;
  font-size: 0.95rem;
}

.contact-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}

.contact-box a.email {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid rgba(59, 130, 246, 0.35);
  color: #dbeafe;
  font-weight: 600;
}

.contact-box a.email:hover {
  text-decoration: none;
  background: rgba(59, 130, 246, 0.22);
}

.feature-columns {
  display: grid;
  gap: 24px;
}

@media (min-width: 560px) {
  .feature-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.feature-columns h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 1rem;
  color: var(--gold);
}

.feature-columns ul {
  margin: 0;
  padding-left: 1.25rem;
  color: #cbd5e1;
  font-size: 0.95rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 0.95rem;
}

th,
td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
}

th {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

td {
  color: #cbd5e1;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 0.875rem;
}

.site-footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
}