/* River Clinical — Base theme
   Fonts: Cormorant Garamond (headings), Jost (body)
   Colours: monochrome for now — brand palette TBD */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500&family=Jost:wght@200;300;400;500&display=swap');

:root {
  --color-text: #0d0d0d;
  --color-bg: #faf8f5;
  --color-muted: #777;
  --color-border: #e8e5e0;
  --color-accent: #2A7F7F;
  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Jost', -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* Layout */
.site-wrapper {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  padding: 40px 0 32px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 48px;
}

.site-title {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 2.4rem;
  letter-spacing: 0.01em;
}

.site-title a {
  color: var(--color-text);
  text-decoration: none;
}

.site-tagline {
  font-size: 0.85rem;
  font-weight: 200;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-top: 4px;
}

/* Navigation */
.site-nav {
  margin-top: 20px;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
}

.site-nav a {
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.site-nav a:hover,
.site-nav a.active {
  border-bottom-color: var(--color-text);
}

/* Main content */
main {
  min-height: 60vh;
}

h1 {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 2rem;
  margin-bottom: 16px;
}

h2 {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 1.5rem;
  margin: 32px 0 12px;
}

p {
  margin-bottom: 16px;
  max-width: 640px;
}

/* Section cards (hub page) */
.section-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 40px 0;
}

.section-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 32px 28px;
  text-decoration: none;
  color: var(--color-text);
  transition: border-color 0.2s;
}

.section-card:hover {
  border-color: var(--color-text);
}

.section-card h2 {
  margin: 0 0 8px;
  font-size: 1.3rem;
}

.section-card p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin: 0;
}

/* Footer */
.site-footer {
  margin-top: 64px;
  padding: 24px 0;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-muted);
  letter-spacing: 0.04em;
}

/* Responsive */
@media (max-width: 600px) {
  .section-cards {
    grid-template-columns: 1fr;
  }
  .site-title {
    font-size: 1.8rem;
  }
  .site-nav ul {
    gap: 16px;
  }
}