:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #14181c;
  --muted: #5c6570;
  --accent: #0f6cbf;
  --accent-dark: #0a4f8f;
  --border: #dde3ea;
  --hero: #0b1220;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 24px;
}

.brand {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.site-nav a {
  margin-left: 20px;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.hero {
  background: linear-gradient(160deg, var(--hero) 0%, #162033 100%);
  color: #f5f7fa;
  padding: 72px 24px 80px;
}

.hero-inner {
  max-width: 760px;
  margin: 0 auto;
}

.hero .eyebrow {
  margin: 0 0 12px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #7eb8ff;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.hero .lead {
  margin: 0 0 28px;
  font-size: 1.125rem;
  color: #c5d0de;
  max-width: 36em;
}

.hero-actions a {
  display: inline-block;
  margin-right: 12px;
  margin-bottom: 8px;
  padding: 12px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--accent);
  color: #fff !important;
}

.btn-primary:hover {
  background: var(--accent-dark);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #fff !important;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.content {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

.content-wide {
  max-width: 960px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

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

.page header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 0 0 8px;
  font-size: 2rem;
  line-height: 1.2;
}

.meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

section {
  margin-bottom: 28px;
}

h2 {
  margin: 0 0 12px;
  font-size: 1.25rem;
}

h3 {
  margin: 16px 0 8px;
  font-size: 1.05rem;
}

p,
ul {
  margin: 0 0 12px;
}

ul {
  padding-left: 1.25rem;
}

.site-footer {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer p {
  margin: 0;
}