:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --shadow: 0 10px 30px rgba(17, 24, 39, 0.08);
  --radius: 18px;
  --max-width: 920px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #f8fafc 0%, #f6f7fb 100%);
  color: var(--text);
  line-height: 1.65;
}

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

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(248, 250, 252, 0.88);
  border-bottom: 1px solid rgba(229, 231, 235, 0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
}

.brand {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.brand:hover {
  text-decoration: none;
  color: var(--text);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.nav a {
  color: var(--muted);
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 10px;
}

.nav a:hover,
.nav a.active {
  color: var(--text);
  background: #eef2ff;
  text-decoration: none;
}

.main {
  padding: 56px 0 32px;
}

.hero {
  padding: 28px 0 16px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #eef2ff;
  color: #3730a3;
  font-size: 0.9rem;
  font-weight: 700;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.1;
}

h2 {
  margin: 0 0 14px;
  font-size: 1.5rem;
  line-height: 1.25;
}

p {
  margin: 0 0 16px;
}

.lead {
  max-width: 720px;
  font-size: 1.1rem;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 20px;
  margin-top: 28px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.card + .card {
  margin-top: 20px;
}

.list {
  margin: 0;
  padding-left: 20px;
}

.list li + li {
  margin-top: 10px;
}

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

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

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

.button.primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

.site-footer {
  margin-top: 48px;
  border-top: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.75);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px 0 40px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
}

.footer-links a {
  font-weight: 600;
}

.small {
  font-size: 0.95rem;
}

.codeish {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: #f3f4f6;
  color: #374151;
  font-size: 0.9rem;
}

.legal-meta {
  margin-top: 8px;
}

@media (max-width: 720px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 0;
  }

  .grid.two {
    grid-template-columns: 1fr;
  }

  .main {
    padding-top: 36px;
  }
}