/* ============================================================
   AC Quiz — ac-layout.css
   Grid, spacing, responsive layout helpers
   ============================================================ */

/* ---- Container overrides ---- */
.container { max-width: 1200px; }
.container-narrow { max-width: 860px; margin: 0 auto; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 1.5rem; }

/* ---- Grid helpers ---- */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; }
.grid-6 { display: grid; grid-template-columns: repeat(6,1fr); gap: 1rem; }

@media (max-width:1100px) {
  .grid-4 { grid-template-columns: repeat(3,1fr); }
  .grid-6 { grid-template-columns: repeat(4,1fr); }
}
@media (max-width:800px) {
  .grid-3 { grid-template-columns: repeat(2,1fr); }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .grid-6 { grid-template-columns: repeat(3,1fr); }
}
@media (max-width:560px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-6 { grid-template-columns: repeat(2,1fr); }
}

/* ---- Flex helpers ---- */
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-start { display: flex; align-items: center; justify-content: flex-start; }
.flex-col { display: flex; flex-direction: column; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

/* ---- Spacing ---- */
.mt-section { margin-top: 80px; }
.mb-section { margin-bottom: 80px; }
.pt-section { padding-top: 80px; }
.pb-section { padding-bottom: 80px; }
.mt-sm { margin-top: 40px; }
.mb-sm { margin-bottom: 40px; }

/* ---- SVG Dividers ---- */
.divider-wave {
  display: block;
  width: 100%; overflow: hidden;
  line-height: 0;
}
.divider-wave svg { display: block; }

/* ---- Image blocks ---- */
.img-cover { width: 100%; height: 100%; object-fit: cover; }
.img-block { display: block; width: 100%; }
.aspect-16-9 { aspect-ratio: 16/9; overflow: hidden; }
.aspect-4-3 { aspect-ratio: 4/3; overflow: hidden; }
.aspect-1-1 { aspect-ratio: 1; overflow: hidden; }
.aspect-3-2 { aspect-ratio: 3/2; overflow: hidden; }

/* ---- Sticky sidebar ---- */
.sidebar-sticky { position: sticky; top: 100px; }

/* ---- Gallery grid ---- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  grid-template-rows: auto;
  gap: 1rem;
}
.gallery-item { overflow: hidden; border-radius: var(--radius-md); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item-tall { grid-row: span 2; }
.gallery-item-wide { grid-column: span 2; }

@media (max-width: 768px) {
  .gallery-grid { grid-template-columns: repeat(2,1fr); }
  .gallery-item-tall, .gallery-item-wide { grid-row: auto; grid-column: auto; }
}
@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
}

/* ---- Two-col text+image ---- */
.split-section { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.split-section.reverse { direction: rtl; }
.split-section.reverse > * { direction: ltr; }
@media (max-width: 860px) {
  .split-section { grid-template-columns: 1fr; gap: 2.5rem; }
  .split-section.reverse { direction: ltr; }
}

/* ---- Timeline ---- */
.timeline { position: relative; padding-left: 2.5rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: .75rem; top: 0; bottom: 0;
  width: 2px;
  background: var(--border);
}
.timeline-item { position: relative; margin-bottom: 2.5rem; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.85rem; top: .35rem;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg-white);
  box-shadow: 0 0 0 2px var(--accent);
}
.timeline-date {
  font-family: var(--font-sub);
  font-size: .8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: .3rem;
}
.timeline-title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--text-dark);
  margin-bottom: .4rem;
}
.timeline-text { font-size: .92rem; color: var(--text-muted); }

/* ---- Contact layout ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-info-item {
  display: flex; gap: 1rem; margin-bottom: 2rem;
}
.contact-icon {
  width: 48px; height: 48px; min-width: 48px;
  background: rgba(244,120,42,.12);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  font-size: 1.1rem;
}
.contact-text .label {
  font-family: var(--font-sub);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: .2rem;
}
.contact-text .value {
  font-size: .97rem;
  color: var(--text-dark);
}
.contact-text .value a { color: var(--text-dark); }
.contact-text .value a:hover { color: var(--accent); }

/* ---- Map embed ---- */
.map-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-top: 2rem;
}
.map-wrapper iframe { display: block; width: 100%; height: 280px; border: none; }

/* ---- Article sidebar ---- */
.article-sidebar-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1px solid var(--border-light);
  margin-bottom: 1.5rem;
}
.article-sidebar-card h6 {
  font-family: var(--font-sub);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--border-light);
}

/* ---- Pagination ---- */
.ac-pagination { display: flex; gap: .4rem; justify-content: center; margin-top: 3rem; }
.ac-pagination a, .ac-pagination span {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  font-family: var(--font-sub); font-size: .875rem; font-weight: 600;
  border: 1.5px solid var(--border);
  color: var(--text-dark);
  transition: all var(--transition);
}
.ac-pagination a:hover { border-color: var(--accent); color: var(--accent); }
.ac-pagination .active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---- Responsive utilities ---- */
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-lg { padding: 80px 0; }
  .hero-stats { gap: 1.5rem; }
  .hero-stat .num { font-size: 1.6rem; }
}
@media (max-width: 576px) {
  .section { padding: 48px 0; }
  .newsletter-form { flex-direction: column; }
  .ac-footer .footer-bottom { flex-direction: column; text-align: center; }
}