/* Driving Video Library - minimal, dependency-free stylesheet.
   Brand colors mirrored from the main app's tailwind.config.ts. */

:root {
  --dv-blue: #244891;
  --dv-dark-blue: #192548;
  --dv-yellow: #f5c518;
  --dv-red: #c0392b;
  --dv-light-grey: #f0f4fb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  color: #1f2937;
  background: #ffffff;
  line-height: 1.6;
}

a { color: var(--dv-blue); }
a:hover { color: var(--dv-dark-blue); }

.dv-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #fff;
  padding: 0.75rem 1rem;
  z-index: 100;
}
.dv-skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

/* ---- Header (mirrors app/components/layout/AppHeader.vue) ---- */
.dv-cta-bar { background: var(--dv-yellow); text-align: center; padding: 0.6rem 1rem; }
.dv-cta-btn {
  background: var(--dv-blue);
  color: #fff;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  padding: 0.75rem 2rem;
  border-radius: 4px;
  text-decoration: none;
  display: inline-block;
}
.dv-cta-btn:hover { background: #1a356e; color: #fff; }

.dv-top-header { background: #fff; border-bottom: 1px solid #e5e7eb; }
.dv-top-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.dv-contact { display: flex; align-items: center; gap: 1.25rem; font-size: 0.875rem; font-weight: 600; }
.dv-contact a { color: var(--dv-blue); text-decoration: none; display: inline-flex; align-items: center; gap: 0.4rem; }
.dv-contact a:hover { color: var(--dv-dark-blue); }
.dv-logo-wrap { text-align: center; }
.dv-logo-wrap img { width: 200px; max-width: 100%; height: auto; display: block; }
.dv-social { display: flex; gap: 0.25rem; }
.dv-social a { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; color: var(--dv-dark-blue); font-size: 1.4rem; text-decoration: none; }
.dv-social a:hover { color: var(--dv-blue); }

.dv-main-header { background: #fff; border-bottom: 1px solid #e5e7eb; }
.dv-main-nav { max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; display: flex; align-items: center; }
.dv-nav-toggle {
  display: none;
  background: var(--dv-light-grey);
  border: 0;
  border-radius: 4px;
  padding: 0.6rem 0.9rem;
  margin: 0.5rem 0;
  cursor: pointer;
  color: var(--dv-dark-blue);
  font-size: 1.1rem;
}
.dv-nav-menu { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; width: 100%; }
.dv-nav-menu a {
  display: block;
  color: var(--dv-dark-blue);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  padding: 0.9rem 0.75rem;
  transition: background-color 0.15s, color 0.15s;
}
.dv-nav-menu a:hover { background: var(--dv-light-grey); }
.dv-nav-menu a.dv-nav-active { background: var(--dv-blue); color: #fff; border-radius: 4px; }

.dv-tagline-bar {
  background: var(--dv-dark-blue);
  color: #fff;
  text-align: center;
  padding: 0.75rem 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  font-size: 0.875rem;
}

@media (max-width: 991px) {
  .dv-nav-toggle { display: flex; align-items: center; justify-content: center; }
  .dv-nav-menu { display: none; flex-direction: column; }
  .dv-nav-menu.dv-nav-open { display: flex; }
}

.dv-breadcrumbs { max-width: 1100px; margin: 1rem auto 0; padding: 0 1.25rem; }
.dv-breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem; padding: 0; margin: 0; font-size: 0.9rem; }
.dv-breadcrumbs li:not(:last-child)::after { content: '/'; margin-left: 0.4rem; color: #9ca3af; }

main { max-width: 1100px; margin: 0 auto; padding: 1.25rem 1.25rem 3rem; }

h1 { color: var(--dv-dark-blue); font-size: 2rem; margin-top: 0.5rem; }
h2 { color: var(--dv-dark-blue); font-size: 1.4rem; }

.dv-intro { font-size: 1.05rem; max-width: 70ch; }

.dv-section { margin: 2rem 0; }

.dv-video-embed iframe,
.dv-video-fallback img {
  width: 100%;
  max-width: 720px;
  aspect-ratio: 16 / 9;
  height: auto;
  border: 0;
  border-radius: 8px;
  display: block;
}

.dv-video-fallback { position: relative; max-width: 720px; }
.dv-video-fallback a { display: block; position: relative; text-decoration: none; }
.dv-video-fallback-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  font-size: 3rem; color: #fff; text-shadow: 0 0 8px rgba(0,0,0,0.6);
}
.dv-video-fallback-note { font-size: 0.95rem; }

.dv-creator-credit {
  background: var(--dv-light-grey);
  border-left: 4px solid var(--dv-blue);
  padding: 0.75rem 1rem;
  margin-top: 0.75rem;
  max-width: 720px;
  font-size: 0.95rem;
}
.dv-creator-credit-links { margin-bottom: 0; }

.dv-quiz-item {
  background: var(--dv-light-grey);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
}
.dv-quiz-item summary { cursor: pointer; font-weight: 600; }

.dv-review-disclosure, .dv-sources {
  font-size: 0.9rem;
  color: #4b5563;
  border-top: 1px solid #e5e7eb;
  padding-top: 1rem;
}

.dv-card-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}
.dv-card {
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  overflow: hidden;
}
.dv-card-link { color: inherit; text-decoration: none; display: block; }
.dv-card-link:hover { color: inherit; }
.dv-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.dv-card h3 { margin: 0.75rem 0.9rem 0.25rem; font-size: 1.05rem; color: var(--dv-dark-blue); }
.dv-card p { margin: 0 0.9rem 0.9rem; font-size: 0.9rem; color: #4b5563; }

.dv-footer {
  background: var(--dv-light-grey);
  margin-top: 2rem;
}
.dv-footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem;
  font-size: 0.85rem;
  color: #4b5563;
}
.dv-footer-note { max-width: 70ch; }

/* ---- Footer (mirrors app/components/layout/AppFooter.vue) ---- */
.dv-site-footer {
  background: var(--dv-dark-blue);
  color: #fff;
  font-size: 0.875rem;
  line-height: 1.7;
  padding: 3.5rem 1.25rem 2rem;
  margin-top: 2rem;
}
.dv-site-footer a { color: #d1d5db; text-decoration: none; }
.dv-site-footer a:hover { color: var(--dv-yellow); }
.dv-site-footer-inner { max-width: 1200px; margin: 0 auto; }
.dv-footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}
.dv-footer-grid h3 { font-size: 1.1rem; font-weight: 600; margin: 0 0 1rem; color: #fff; }
.dv-footer-grid p { color: #d1d5db; }
.dv-footer-grid ul { list-style: none; margin: 0; padding: 0; }
.dv-footer-grid li { padding: 0.2rem 0; }
.dv-footer-grid address { font-style: normal; color: #d1d5db; }
.dv-footer-social { display: flex; gap: 1.25rem; padding-top: 0.5rem; }
.dv-footer-social a { color: #fff; font-size: 1.4rem; }
.dv-footer-social a:hover { color: var(--dv-yellow); }
.dv-site-footer .dv-footer-note { max-width: 70ch; color: #d1d5db; font-size: 0.8rem; margin-bottom: 1.5rem; }
.dv-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 1.25rem;
  text-align: center;
  color: #9ca3af;
  font-size: 0.75rem;
}

a:focus-visible, button:focus-visible {
  outline: 3px solid var(--dv-yellow);
  outline-offset: 2px;
}