/**
 * Shared base CSS for all spec-aggregator sites.
 * Each site overrides --primary, --secondary, --accent in its own root :root scope.
 */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
  line-height: 1.6;
  color: var(--charcoal, #2F2F2F);
  background: var(--cream, #FFF8E7);
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(1.75rem, 5vw, 2.5rem); margin-bottom: 1rem; }
h2 { font-size: clamp(1.4rem, 4vw, 1.75rem); margin: 1.75rem 0 0.75rem; }
h3 { font-size: 1.25rem; margin: 1.25rem 0 0.5rem; }
p { margin-bottom: 1rem; }
ul, ol { margin: 0 0 1rem 1.5rem; }
li { margin-bottom: 0.4rem; }
a { color: var(--primary, #CC7722); }

/* Layout */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem;
}

.container-narrow {
  max-width: 760px;
  margin: 0 auto;
  padding: 1rem;
}

/* Header / nav */
.site-header {
  background: white;
  border-bottom: 3px solid var(--primary, #CC7722);
  padding: 1rem 0;
}

.site-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-brand {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary, #CC7722);
  letter-spacing: -0.02em;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
}

.nav-links a {
  text-decoration: none;
  font-weight: 600;
  color: var(--charcoal, #2F2F2F);
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--primary, #CC7722);
}

/* Hero */
.hero {
  padding: 3rem 1rem;
  text-align: center;
  background: linear-gradient(180deg, var(--cream, #FFF8E7) 0%, white 100%);
}

.hero h1 { margin-bottom: 1rem; }
.hero p.lead { font-size: 1.2rem; max-width: 720px; margin: 0 auto 1.5rem; opacity: 0.85; }

/* Buttons */
.btn-primary {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  background: var(--primary, #CC7722);
  color: white;
  text-decoration: none;
  border: none;
  border-radius: 6px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s ease;
}

.btn-primary:hover {
  filter: brightness(0.9);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: white;
  color: var(--charcoal, #2F2F2F);
  text-decoration: none;
  border: 2px solid var(--light-gray, #E8E5DD);
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  font-family: inherit;
}

.btn-secondary:hover {
  border-color: var(--primary, #CC7722);
  color: var(--primary, #CC7722);
}

/* Cards */
.card {
  background: white;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  margin-bottom: 1.25rem;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  background: white;
  font-size: 0.95rem;
}

th, td {
  text-align: left;
  padding: 0.75rem;
  border-bottom: 1px solid var(--light-gray, #E8E5DD);
}

th {
  background: var(--cream, #FFF8E7);
  font-weight: 700;
  color: var(--charcoal, #2F2F2F);
}

tr:hover td {
  background: rgba(204, 119, 34, 0.04);
}

/* Affiliate disclosure */
.affiliate-disclosure {
  background: var(--light-gray, #E8E5DD);
  padding: 0.85rem 1rem;
  border-radius: 6px;
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
  opacity: 0.85;
}

/* Footer */
.site-footer {
  background: var(--charcoal, #2F2F2F);
  color: white;
  padding: 2rem 1rem;
  text-align: center;
  margin-top: 3rem;
}

.site-footer p {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-bottom: 0.5rem;
}

.site-footer a {
  color: white;
}

/* Tier list / comparison styling */
.tier-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: white;
  border-radius: 8px;
  border-left: 4px solid var(--primary, #CC7722);
}

.tier-badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 4px;
  background: var(--primary, #CC7722);
  color: white;
}

.tier-badge.s { background: #d4af37; }
.tier-badge.a { background: #5a9c5a; }
.tier-badge.b { background: #4a8aaf; }
.tier-badge.c { background: #999; }

/* FAQ */
.faq-item {
  background: white;
  margin-bottom: 0.75rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--light-gray, #E8E5DD);
}

.faq-item summary {
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.faq-item summary::after {
  content: '+';
  float: right;
  font-size: 1.2rem;
  color: var(--primary, #CC7722);
}

.faq-item[open] summary::after { content: '−'; }

.faq-item p {
  padding: 0 1.25rem 1rem;
  margin: 0;
}

/* Responsive */
@media (max-width: 640px) {
  .nav-links { gap: 0.75rem; font-size: 0.85rem; }
  .container { padding: 0.75rem; }
  .hero { padding: 2rem 1rem; }
  table { font-size: 0.85rem; }
  th, td { padding: 0.5rem; }
}