:root {
  --bg: #020914;
  --bg-2: #071222;
  --card: rgba(8, 15, 28, 0.86);
  --border: rgba(80, 126, 194, 0.22);
  --text: #eef4ff;
  --muted: #b8c5de;
  --accent: #89b4ff;
  --accent-2: #10233f;
  --link: #9ec0ff;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(26, 69, 130, 0.3), transparent 30%),
    linear-gradient(180deg, #020914 0%, #040d18 55%, #020914 100%);
  min-height: 100vh;
}

.page-shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 20px 36px;
}

.site-header, .site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-header {
  padding: 8px 0 20px;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.01em;
}

.top-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.ghost-link, .primary-btn, .secondary-btn {
  text-decoration: none;
  border-radius: 14px;
  transition: 160ms ease;
}

.ghost-link {
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
}

.ghost-link:hover, .secondary-btn:hover {
  background: rgba(255, 255, 255, 0.06);
}

.hero-wrap {
  display: grid;
  gap: 24px;
}

.hero-card, .content-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 36px;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  margin-bottom: 12px;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.02;
}

.subhead {
  margin: 18px 0 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.primary-btn, .secondary-btn {
  padding: 12px 18px;
  font-weight: 700;
  border: 1px solid var(--border);
}

.primary-btn {
  color: #06111f;
  background: linear-gradient(180deg, #b5d0ff 0%, #8fb7ff 100%);
}

.secondary-btn {
  color: var(--text);
  background: var(--accent-2);
}

.content-card {
  padding: 36px;
}

.markdown-body {
  color: var(--text);
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5 {
  line-height: 1.15;
  margin-top: 1.8em;
  margin-bottom: 0.7em;
}

.markdown-body h1:first-child,
.markdown-body h2:first-child {
  margin-top: 0;
}

.markdown-body p,
.markdown-body li {
  color: var(--muted);
  line-height: 1.7;
  font-size: 1rem;
}

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

.markdown-body ul,
.markdown-body ol {
  padding-left: 1.4rem;
}

.markdown-body code {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 0.15rem 0.35rem;
}

.markdown-body img {
  display: block;
  width: 100%;
  max-width: 980px;
  margin: 22px auto;
  background: #fff;
  border-radius: 18px;
}

.markdown-body hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

.site-footer {
  padding: 28px 4px 0;
  color: var(--muted);
  flex-wrap: wrap;
}

.footer-name {
  color: var(--text);
  font-weight: 700;
}

.footer-title {
  opacity: 0.95;
}

.footer-emails {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.footer-emails a {
  color: var(--link);
  text-decoration: none;
}

.separator {
  color: var(--muted);
}

@media (max-width: 720px) {
  .hero-card, .content-card {
    padding: 24px;
  }

  .site-header, .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}