:root {
  --bg: #011437;
  --bg-card: rgba(2, 16, 43, 0.92);
  --border: #14294c;
  --accent: #f9a825;
  --accent-soft: #ffd259;
  --text: #f4f7fc;
  --text-muted: rgba(244, 247, 252, 0.72);
  --link: #ffd259;
  --max-width: 720px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 120% 80% at 50% -20%, rgba(249, 168, 37, 0.12), transparent),
    linear-gradient(180deg, #011437 0%, #02102b 100%);
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent-soft);
}

.wrap {
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--accent) 0%, #e65100 100%);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  color: var(--bg);
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

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

.hero {
  margin-bottom: 2rem;
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  line-height: 1.2;
  font-weight: 800;
}

.hero p {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 52ch;
}

.card-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 540px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem 1.35rem;
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover {
  border-color: rgba(249, 168, 37, 0.45);
  transform: translateY(-2px);
}

.card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.card p {
  margin: 0 0 1rem;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.card a.btn {
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--bg);
  background: var(--accent);
  padding: 0.45rem 0.9rem;
  border-radius: 8px;
}

.card a.btn:hover {
  background: var(--accent-soft);
  color: var(--bg);
}

.prose {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.75rem 1.5rem;
}

.prose h1 {
  margin: 0 0 0.35rem;
  font-size: 1.65rem;
  font-weight: 800;
}

.prose .meta {
  margin: 0 0 1.75rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.prose h2 {
  margin: 2rem 0 0.65rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-soft);
}

.prose h3 {
  margin: 1.25rem 0 0.5rem;
  font-size: 1rem;
  font-weight: 700;
}

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

.prose ul,
.prose ol {
  padding-left: 1.35rem;
}

.prose li {
  margin-bottom: 0.4rem;
}

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

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 1rem 0;
}

.prose th,
.prose td {
  border: 1px solid var(--border);
  padding: 0.55rem 0.75rem;
  text-align: left;
}

.prose th {
  color: var(--text);
  background: rgba(20, 41, 76, 0.5);
}

.contact-box {
  margin-top: 1.5rem;
  padding: 1rem 1.15rem;
  border-radius: 10px;
  background: rgba(249, 168, 37, 0.08);
  border: 1px solid rgba(249, 168, 37, 0.25);
}

.contact-box p {
  margin: 0;
}

.license-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.license-list li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
}

.license-list li:last-child {
  border-bottom: none;
}

.license-list strong {
  display: block;
  color: var(--text);
  margin-bottom: 0.2rem;
}

.site-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}