:root {
  --bg: #0f1419;
  --surface: #1a232e;
  --border: #2d3a4a;
  --text: #e8eef4;
  --muted: #9fb0c3;
  --accent: #3d9cf0;
  --accent-soft: rgba(61, 156, 240, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}

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

a:hover {
  text-decoration: underline;
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 999;
}

.skip-link:focus {
  left: 0.75rem;
  top: 0.75rem;
  padding: 0.35rem 0.65rem;
  background: var(--accent);
  color: #081018;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(15, 20, 25, 0.92);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.wrap {
  width: min(900px, 92vw);
  margin-inline: auto;
  padding-inline: 1rem;
}

.site-title {
  margin: 0;
  padding: 1rem 0;
  font-size: 1.125rem;
  font-weight: 600;
}

.site-title a {
  color: inherit;
  text-decoration: none;
}

.site-title a:hover {
  color: var(--accent);
}

main {
  padding: 2rem 0 4rem;
}

.intro h1 {
  font-size: clamp(1.6rem, 4vw, 2rem);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 0.75rem;
}

.intro p.lead {
  color: var(--muted);
  font-size: 1.0625rem;
  margin: 0 0 2rem;
  max-width: 52ch;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.35rem 1.5rem;
  margin-bottom: 1rem;
}

.project-card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.25rem;
}

.project-card .meta {
  color: var(--muted);
  font-size: 0.9375rem;
  margin: 0 0 1rem;
}

.doc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.btn:hover {
  background: rgba(61, 156, 240, 0.22);
  text-decoration: none;
}

.btn-secondary {
  border-color: var(--border);
  background: transparent;
  color: var(--text);
}

.btn-secondary:hover {
  border-color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
}

.article-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.article-header h1 {
  font-size: clamp(1.55rem, 3.8vw, 2rem);
  margin: 0 0 0.5rem;
}

.article-meta {
  color: var(--muted);
  font-size: 0.9375rem;
  margin: 0;
}

.legal-note {
  background: var(--accent-soft);
  border: 1px solid rgba(61, 156, 240, 0.35);
  border-radius: 10px;
  padding: 1rem 1.15rem;
  margin-bottom: 2rem;
  font-size: 0.965rem;
}

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

.legal-doc h2 {
  font-size: 1.2rem;
  margin: 2rem 0 0.65rem;
  color: var(--text);
}

.legal-doc h3 {
  font-size: 1.05rem;
  margin: 1.35rem 0 0.5rem;
}

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

.legal-doc ul {
  padding-left: 1.35rem;
}

.legal-doc li + li {
  margin-top: 0.35rem;
}

.footer-nav {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0;
  color: var(--muted);
  font-size: 0.875rem;
  text-align: center;
}