/* Turnbull Biomedical — shared site styles */

:root {
  --ink: #1c2430;
  --ink-soft: #4a5568;
  --paper: #ffffff;
  --paper-soft: #f5f7fa;
  --line: #e2e6ec;
  --accent: #1f5f8b;
  --accent-soft: #eaf2f8;
  --max-width: 880px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

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

.site-header {
  border-bottom: 1px solid var(--line);
  padding: 1.25rem 1.5rem;
}

.site-header .wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
  letter-spacing: 0.01em;
}

nav a {
  margin-left: 1.5rem;
  color: var(--ink-soft);
  font-weight: 500;
}

nav a:first-child { margin-left: 0; }
nav a:hover { color: var(--accent); text-decoration: none; }

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.hero {
  padding: 2rem 0 3rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2.5rem;
}

.hero h1 {
  font-size: 2.1rem;
  margin: 0 0 0.75rem;
}

.hero p {
  color: var(--ink-soft);
  font-size: 1.1rem;
  max-width: 640px;
}

h2 { font-size: 1.4rem; margin-top: 2.5rem; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.card {
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.25rem 1.4rem;
}

.card h3 { margin: 0 0 0.4rem; font-size: 1.1rem; }
.card p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

.placeholder-note {
  background: var(--accent-soft);
  border: 1px dashed var(--accent);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin: 1.5rem 0;
}

.trip-meta {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin-top: -0.5rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.9rem;
}