/* ============================================================
   ChronoDino — TOURS.CSS
   ============================================================ */

/* ─── TOURS HERO ──────────────────────────────────────────── */
.tours-hero {
  padding-top: calc(var(--header-h) + var(--sp-16));
  padding-bottom: var(--sp-16);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.tours-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(232,160,32,0.12) 0%, transparent 60%);
}

.tours-hero-label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--clr-amber);
  margin-bottom: var(--sp-4);
}

.tours-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: var(--clr-bone);
  margin-bottom: var(--sp-4);
  line-height: 1.1;
}

.tours-hero p {
  font-size: 1.1rem;
  color: var(--clr-fossil);
  max-width: 540px;
  margin-inline: auto;
  line-height: 1.7;
}

/* ─── TABS ────────────────────────────────────────────────── */
.tours-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-2);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(232,160,32,0.1);
  border-radius: var(--r-pill);
  width: fit-content;
  margin-inline: auto;
  margin-bottom: var(--sp-16);
}

.tours-tab {
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--sp-3) var(--sp-8);
  border-radius: var(--r-pill);
  color: var(--clr-fossil);
  transition: all var(--t-med);
  position: relative;
}

.tours-tab.active {
  background: var(--clr-amber);
  color: var(--clr-void);
  box-shadow: var(--shadow-amber);
}

.tours-tab:not(.active):hover {
  color: var(--clr-bone);
  background: rgba(255,255,255,0.06);
}

/* ─── SECTION VISIBILITY ──────────────────────────────────── */
.tours-section {
  display: none;
  padding-bottom: var(--sp-24);
}

.tours-section.active {
  display: block;
}

/* ─── ERA TOUR CARDS ──────────────────────────────────────── */
.era-tour-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-8);
}

.era-tour-card {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  cursor: pointer;
  border: 1px solid rgba(232,160,32,0.1);
  transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-med);
}

.era-tour-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(232,160,32,0.3);
}

.era-tour-card-img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
  display: block;
  transition: transform var(--t-slow);
}

.era-tour-card:hover .era-tour-card-img {
  transform: scale(1.05);
}

.era-tour-card-body {
  padding: var(--sp-6);
  background: var(--clr-earth);
}

.era-tour-card-tag {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  margin-bottom: var(--sp-3);
  display: inline-block;
}

.era-tour-card-name {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--clr-bone);
  margin-bottom: var(--sp-2);
}

.era-tour-card-period {
  font-size: 0.8rem;
  color: var(--clr-fossil);
  font-weight: 600;
  margin-bottom: var(--sp-4);
}

.era-tour-card-preview {
  font-size: 0.9rem;
  color: rgba(245,234,208,0.65);
  line-height: 1.6;
  margin-bottom: var(--sp-5);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.era-tour-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-4);
  border-top: 1px solid rgba(232,160,32,0.1);
}

.era-tour-dino-count {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--clr-fossil);
}

.era-tour-dino-count span {
  color: var(--clr-amber);
  font-family: var(--font-display);
  font-size: 1.1rem;
}

/* ─── DINO FILTER ─────────────────────────────────────────── */
.dino-filter-bar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-bottom: var(--sp-8);
}

.filter-label {
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-fossil);
}

.filter-btn {
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(232,160,32,0.2);
  color: var(--clr-fossil);
  background: rgba(232,160,32,0.05);
  transition: all var(--t-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: rgba(232,160,32,0.15);
  border-color: rgba(232,160,32,0.5);
  color: var(--clr-amber);
}

.filter-btn.active {
  background: var(--clr-amber);
  border-color: var(--clr-amber);
  color: var(--clr-void);
}

/* ─── DINO TOUR GRID ──────────────────────────────────────── */
.dino-tour-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--sp-4);
}

.dino-tour-card {
  background: var(--clr-earth);
  border: 1px solid rgba(232,160,32,0.1);
  border-radius: var(--r-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-med);
  position: relative;
}

.dino-tour-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(232,160,32,0.3);
}

.dino-tour-card-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform var(--t-slow);
}

.dino-tour-card:hover .dino-tour-card-img {
  transform: scale(1.06);
}

.dino-tour-card-body {
  padding: var(--sp-3) var(--sp-4) var(--sp-4);
}

.dino-tour-card-era {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-amber);
  margin-bottom: var(--sp-1);
}

.dino-tour-card-name {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--clr-bone);
  margin-bottom: var(--sp-2);
  line-height: 1.2;
}

.dino-tour-card-size {
  font-size: 0.75rem;
  color: var(--clr-fossil);
  font-weight: 600;
}

/* Era accent bar on left */
.dino-tour-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--clr-amber);
  opacity: 0;
  transition: opacity var(--t-fast);
}

.dino-tour-card:hover::before {
  opacity: 1;
}

.dino-tour-card[data-era="triassic"]::before { background: var(--era-triassic); }
.dino-tour-card[data-era="jurassic"]::before { background: var(--era-jurassic); }
.dino-tour-card[data-era="cretaceous"]::before { background: var(--era-cretaceous); }

/* ─── TOURS RESPONSIVE ────────────────────────────────────── */
@media (max-width: 1024px) {
  .dino-tour-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
  .era-tour-grid { grid-template-columns: 1fr; gap: var(--sp-6); }
  .dino-tour-grid { grid-template-columns: repeat(2, 1fr); }
  .tours-tabs { flex-wrap: wrap; border-radius: var(--r-xl); }
}

@media (max-width: 480px) {
  .dino-tour-grid { grid-template-columns: repeat(2, 1fr); gap: var(--sp-3); }
}