/**
 * Trek Packages — front-end styles
 * Premium card grid inspired by adventure tourism UX (RMS-style data, modern layout).
 */

.trek-packages {
  --trek-green: #1b4332;
  --trek-green-light: #2d6a4f;
  --trek-gold: #c9a227;
  --trek-sand: #f5f0e8;
  --trek-white: #ffffff;
  --trek-text: #1a1a1a;
  --trek-muted: #5c6b63;
  --trek-radius: 20px;
  --trek-shadow: 0 12px 40px rgba(27, 67, 50, 0.12);
  --trek-shadow-hover: 0 20px 50px rgba(27, 67, 50, 0.18);
  padding: clamp(3rem, 6vw, 5rem) clamp(1rem, 4vw, 2rem);
  max-width: 1280px;
  margin: 0 auto;
}

.trek-packages__header {
  text-align: center;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.trek-packages__title {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  color: var(--trek-green);
  margin: 0 0 0.75rem;
  line-height: 1.15;
}

.trek-packages__subtitle {
  font-size: 1.0625rem;
  color: var(--trek-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ─── Category filter tabs ──────────────────────────────────── */
.trek-packages__filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.trek-packages__filter-btn {
  appearance: none;
  border: 2px solid rgba(27, 67, 50, 0.15);
  background: var(--trek-white);
  color: var(--trek-green);
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.625rem 1.25rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.trek-packages__filter-btn--sub {
  font-weight: 500;
  font-size: 0.75rem;
  padding: 0.5rem 1rem;
  opacity: 0.9;
}

.trek-packages__filter-btn:hover,
.trek-packages__filter-btn.is-active {
  background: var(--trek-green);
  border-color: var(--trek-green);
  color: var(--trek-white);
}

/* ─── Grid ──────────────────────────────────────────────────── */
.trek-packages__grid {
  display: grid;
  grid-template-columns: repeat(var(--trek-cols, 3), minmax(0, 1fr));
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: stretch;
}

@media (max-width: 1024px) {
  .trek-packages__grid {
    grid-template-columns: repeat(var(--trek-cols-tab, 2), minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .trek-packages__grid {
    grid-template-columns: repeat(var(--trek-cols-mob, 1), minmax(0, 1fr));
  }
}

.trek-packages__empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--trek-muted);
  padding: 3rem;
}

/* ─── Package card ──────────────────────────────────────────── */
.trek-package-card {
  display: flex;
  flex-direction: column;
  background: var(--trek-white);
  border-radius: var(--trek-radius);
  overflow: hidden;
  box-shadow: var(--trek-shadow);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease;
  height: 100%;
}

.trek-package-card.is-hidden {
  display: none;
}

.trek-package-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--trek-shadow-hover);
}

.trek-package-card__media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  text-decoration: none;
}

.trek-package-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.trek-package-card:hover .trek-package-card__img {
  transform: scale(1.06);
}

.trek-package-card__placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #2d6a4f 0%, #1b4332 50%, #0d2818 100%);
}

.trek-package-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 40, 24, 0.75) 0%, transparent 55%);
  pointer-events: none;
}

.trek-package-card__badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(255, 255, 255, 0.95);
  color: var(--trek-green);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.375rem 0.75rem;
  border-radius: 999px;
}

.trek-package-card__duration {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(6px);
  color: var(--trek-white);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.375rem 0.75rem;
  border-radius: 999px;
}

/* ─── Card body ─────────────────────────────────────────────── */
.trek-package-card__body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  padding: 1.5rem;
  gap: 0.625rem;
}

.trek-package-card__difficulty {
  align-self: flex-start;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.25rem 0.625rem;
  border-radius: 6px;
}

.trek-package-card__difficulty--easy { background: #d8f3dc; color: #1b4332; }
.trek-package-card__difficulty--moderate { background: #fff3cd; color: #856404; }
.trek-package-card__difficulty--challenging { background: #ffe5d0; color: #c45c00; }
.trek-package-card__difficulty--strenuous { background: #f8d7da; color: #842029; }

.trek-package-card__title {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1.25;
  margin: 0;
}

.trek-package-card__title a {
  color: var(--trek-text);
  text-decoration: none;
  transition: color 0.2s;
}

.trek-package-card__title a:hover {
  color: var(--trek-green-light);
}

.trek-package-card__tagline {
  font-size: 0.875rem;
  color: var(--trek-muted);
  line-height: 1.55;
  margin: 0;
  flex: 1 1 auto;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.trek-package-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid rgba(27, 67, 50, 0.1);
}

.trek-package-card__price-value {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--trek-green);
  white-space: nowrap;
}

.trek-package-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: var(--trek-green);
  color: var(--trek-white) !important;
  font-size: 0.8125rem;
  font-weight: 600;
  text-decoration: none;
  padding: 0.625rem 1.125rem;
  border-radius: 999px;
  white-space: nowrap;
  transition: background 0.25s ease, transform 0.2s ease;
}

.trek-package-card__cta:hover {
  background: var(--trek-green-light);
  transform: translateX(2px);
}

.trek-package-card__cta svg {
  flex-shrink: 0;
}

/* ─── Single package page ───────────────────────────────────── */
.trek-package-single {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.trek-package-single__hero {
  border-radius: var(--trek-radius);
  overflow: hidden;
  margin-bottom: 2rem;
}

.trek-package-single__hero img {
  width: 100%;
  height: auto;
  display: block;
}

.trek-package-single__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.trek-package-single__price {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--trek-green);
}

.trek-package-single__book {
  display: inline-block;
  margin-top: 2rem;
  background: var(--trek-gold);
  color: var(--trek-text);
  font-weight: 700;
  padding: 0.875rem 2rem;
  border-radius: 999px;
  text-decoration: none;
}

.trek-package-single__highlights {
  background: var(--trek-sand);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 2rem 0;
}

.trek-package-single__highlights ul {
  margin: 0;
  padding-left: 1.25rem;
}

@media (prefers-reduced-motion: reduce) {
  .trek-package-card,
  .trek-package-card__img,
  .trek-package-card__cta {
    transition: none;
  }
}