/* CartoMaps - Content & Institutional Pages Stylesheet */

:root {
  --page-bg: #f8fafc;
  --page-card-bg: #ffffff;
  --page-text-primary: #0f172a;
  --page-text-secondary: #475569;
  --page-text-muted: #64748b;
  --page-border: #e2e8f0;
  --page-primary: #0070ba;
  --page-primary-hover: #005a96;
  --page-accent: #00aa86;
  --page-line: #cbd5e1;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--page-bg);
  color: var(--page-text-primary);
  line-height: 1.65;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

/* Header */
.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--page-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}

.header-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--page-text-primary);
}

.brand-title {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #0f172a;
}

.brand-badge {
  font-size: 10px;
  font-weight: 700;
  background: #e0f2fe;
  color: var(--page-primary);
  padding: 2px 7px;
  border-radius: 12px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--page-text-secondary);
  font-size: 13.5px;
  font-weight: 600;
  transition: color 0.15s;
}

.nav-link:hover, .nav-link.active {
  color: var(--page-primary);
}

.btn-open-app {
  background: var(--page-primary);
  color: #ffffff !important;
  padding: 6px 14px;
  border-radius: 6px;
  font-weight: 700 !important;
  font-size: 13px !important;
  transition: background 0.15s;
}

.btn-open-app:hover {
  background: var(--page-primary-hover);
}

/* Main Container */
.main-wrapper {
  max-width: 860px;
  margin: 32px auto 60px;
  padding: 0 20px;
}

.content-card {
  background: var(--page-card-bg);
  border: 1px solid var(--page-border);
  border-radius: 12px;
  padding: 36px 40px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.04);
}

@media (max-width: 640px) {
  .content-card {
    padding: 24px 20px;
  }
}

/* Typography */
.page-title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.6px;
  color: var(--page-text-primary);
  margin-bottom: 12px;
  line-height: 1.25;
}

.page-subtitle {
  font-size: 15px;
  color: var(--page-text-muted);
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--page-border);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12.5px;
  color: var(--page-text-muted);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--page-border);
}

h2 {
  font-size: 20px;
  font-weight: 700;
  color: #0f172a;
  margin: 32px 0 14px;
  letter-spacing: -0.3px;
}

h3 {
  font-size: 16px;
  font-weight: 700;
  color: #1e293b;
  margin: 22px 0 10px;
}

p {
  margin-bottom: 16px;
  color: var(--page-text-secondary);
}

ul, ol {
  margin: 0 0 18px 22px;
  color: var(--page-text-secondary);
}

li {
  margin-bottom: 8px;
}

strong {
  color: var(--page-text-primary);
}

/* Callout Box */
.callout-box {
  background: #f0fdf4;
  border-left: 4px solid var(--page-accent);
  padding: 14px 18px;
  border-radius: 0 8px 8px 0;
  margin: 20px 0;
  font-size: 14px;
  color: #166534;
}

.callout-info {
  background: #f0f9ff;
  border-left: 4px solid var(--page-primary);
  color: #075985;
}

/* Timeline Cards in Articles */
.history-timeline {
  position: relative;
  border-left: 2px solid var(--page-border);
  margin: 24px 0 32px 14px;
  padding-left: 20px;
}

.timeline-item {
  position: relative;
  margin-bottom: 24px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -27px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--page-primary);
  border: 2px solid #ffffff;
  box-shadow: 0 0 0 2px var(--page-primary);
}

.timeline-year {
  font-size: 13px;
  font-weight: 800;
  color: var(--page-primary);
  margin-bottom: 2px;
}

.timeline-item-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--page-text-primary);
  margin-bottom: 4px;
}

.timeline-item-desc {
  font-size: 13.5px;
  color: var(--page-text-secondary);
  line-height: 1.5;
}

/* Footer */
.site-footer {
  background: #ffffff;
  border-top: 1px solid var(--page-border);
  padding: 40px 20px 24px;
  color: var(--page-text-secondary);
  font-size: 13px;
}

.footer-container {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

@media (max-width: 768px) {
  .footer-container {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--page-text-primary);
  margin-bottom: 12px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: var(--page-text-secondary);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-links a:hover {
  color: var(--page-primary);
}

.footer-bottom {
  max-width: 1080px;
  margin: 0 auto;
  padding-top: 20px;
  border-top: 1px solid var(--page-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--page-text-muted);
}