:root {
  --color-primary: #1a3a5c;
  --color-secondary: #5c6578;
  --color-accent: #2a9d8f;
  --color-bg: #f7f9fc;
  --color-surface: #ffffff;
  --font-body: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-display: Georgia, 'Times New Roman', serif;
  --radius: 12px;
  --max-width: 720px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-primary);
  background: var(--color-bg);
  line-height: 1.6;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid rgba(26, 58, 92, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.brand-logo {
  border-radius: 50%;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
}

.site-nav a {
  margin-left: 1.25rem;
  color: var(--color-secondary);
  text-decoration: none;
}

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

.hero {
  padding: 3rem 0 2rem;
}

.hero-inner {
  text-align: center;
}

.hero-logo {
  border-radius: 50%;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 32px rgba(26, 58, 92, 0.1);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  line-height: 1.2;
  margin: 0 0 1rem;
}

.lead {
  font-size: 1.125rem;
  color: var(--color-secondary);
  margin: 0 auto 1.5rem;
  max-width: 42ch;
}

.feature-list {
  text-align: left;
  display: inline-block;
  margin: 0 auto 2rem;
  padding-left: 1.25rem;
}

.btn {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
}

.btn:hover {
  filter: brightness(1.05);
}

.section {
  padding: 2rem 0 3rem;
}

.prose h1,
.prose h2 {
  font-family: var(--font-display);
}

.prose h2 {
  margin-top: 2rem;
  font-size: 1.25rem;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose p,
.prose ul {
  color: var(--color-secondary);
}

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

.site-footer {
  padding: 2rem 0;
  border-top: 1px solid rgba(26, 58, 92, 0.08);
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-secondary);
}

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