/* Tombol */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--touch);
  padding: 0.75rem 1.5rem;
  border: 0;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: var(--text-sm);
  text-decoration: none !important;
  transition: transform var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast), background var(--duration-fast), opacity var(--duration-fast);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn svg { width: 1.125em; height: 1.125em; flex: none; }

.btn--primary { background: var(--gradient-brand); color: #fff; box-shadow: var(--shadow-md); position: relative; overflow: hidden; }
.btn--primary:hover { box-shadow: var(--shadow-lg); }
.btn--primary::after {
  content: "";
  position: absolute; top: -50%; left: -100%;
  width: 50%; height: 200%;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.3), transparent);
  transform: rotate(30deg);
  animation: shine 4s infinite;
}
@keyframes shine { 0% { left: -100%; } 20% { left: 150%; } 100% { left: 150%; } }

.btn--ghost { background: var(--color-surface); color: var(--color-navy); border: 1.5px solid var(--color-line); }
.btn--ghost:hover { border-color: var(--color-sky); color: var(--color-sky); }

.btn--wa { background: #25d366; color: #fff; box-shadow: var(--shadow-md); }
.btn--wa:hover { background: #1fb959; box-shadow: var(--shadow-lg); }

.btn--white { background: #fff; color: var(--color-navy); box-shadow: var(--shadow-md); }
.btn--block { width: 100%; }
.btn--sm { min-height: 2.5rem; padding: 0.5rem 1rem; }

/* Badge */
.badge {
  display: inline-flex; align-items: center; gap: 0.35em;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}
.badge--ok { background: var(--color-sky-soft); color: var(--color-navy); }
.badge--booked { background: var(--status-booked-bg); color: #92400e; }
.badge--sold { background: #f1f5f9; color: var(--status-sold); }
.badge--kondisi { background: var(--color-ink); color: #fff; }
.badge::before { content: ""; width: 0.5em; height: 0.5em; border-radius: 50%; background: currentColor; }
.badge--kondisi::before { display: none; }

/* Chip filter */
.chips {
  display: flex; gap: var(--space-2);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding-block: var(--space-1);
  margin-inline: calc(var(--gutter) * -1);
  padding-inline: var(--gutter);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: none;
  scroll-snap-align: start;
  min-height: 2.5rem;
  padding: 0.4rem 1rem;
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-navy);
  transition: background var(--duration-fast), color var(--duration-fast), border-color var(--duration-fast), transform var(--duration-fast);
}
.chip:hover { border-color: var(--color-sky); transform: translateY(-1px); }
.chip[aria-pressed="true"] { background: var(--color-navy); border-color: var(--color-navy); color: #fff; }

.select {
  min-height: 2.5rem;
  padding: 0.4rem 2rem 0.4rem 0.9rem;
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23054763' stroke-width='2'/%3E%3C/svg%3E") no-repeat right 0.85rem center;
  font: inherit; font-size: var(--text-sm); font-weight: 600;
  color: var(--color-navy);
  appearance: none;
}

/* Kartu produk */
.card {
  display: flex; flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-normal) var(--ease-out-expo), box-shadow var(--duration-normal);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--color-surface-2);
  border: 0; padding: 0; width: 100%;
  overflow: hidden;
}
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--duration-slow) var(--ease-out-expo); }
.card:hover .card__media img { transform: scale(1.03); }
.card__media .badge { position: absolute; top: var(--space-3); left: var(--space-3); }
.card__count {
  position: absolute; right: var(--space-3); bottom: var(--space-3);
  padding: 0.2rem 0.5rem; border-radius: var(--radius-pill);
  background: rgba(15, 23, 42, 0.7); color: #fff;
  font-family: var(--font-mono); font-size: var(--text-xs);
}
.card__body { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-4); flex: 1; }
.card__title { font-size: 1.0625rem; font-weight: 800; line-height: 1.3; }
.card__title small { font-weight: 600; color: var(--color-muted); }
.card__spec { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-navy); letter-spacing: 0.01em; }
.card__meta { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; font-size: var(--text-xs); color: var(--color-muted); }
.card__note { font-size: var(--text-sm); color: var(--color-muted); }
.card__price { font-size: var(--text-price); font-weight: 800; letter-spacing: -0.02em; color: var(--color-ink); margin-top: auto; padding-top: var(--space-2); }
.card__id { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-muted); }
.card__foot { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-3); }
.card--sold { opacity: 0.6; }
.card--sold:hover { transform: none; box-shadow: var(--shadow-sm); }
.card--sold .card__price { text-decoration: line-through; color: var(--status-sold); }
.card--sold .card__media img { filter: grayscale(1); }

/* Skeleton */
.card--skeleton { min-height: 22rem; }
.card--skeleton .card__media, .card--skeleton .sk {
  background: linear-gradient(90deg, #eef2f6 25%, #f8fafc 50%, #eef2f6 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius-sm);
}
.sk { height: 0.9rem; }
.sk--w60 { width: 60%; } .sk--w40 { width: 40%; } .sk--w80 { width: 80%; }
@keyframes shimmer { to { background-position: -200% 0; } }

/* Notice / fallback */
.notice {
  display: flex; flex-direction: column; gap: var(--space-4); align-items: flex-start;
  padding: var(--space-6);
  border: 1.5px dashed var(--color-line);
  border-radius: var(--radius-xl);
  background: var(--color-surface-2);
}
.notice h3 { font-size: var(--text-lg); }
.notice p { color: var(--color-muted); }

/* FAQ accordion */
.faq-item { border-bottom: 1px solid var(--color-line); }
.faq-q {
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-4);
  width: 100%; min-height: var(--touch);
  padding: var(--space-4) 0;
  background: none; border: 0; text-align: left;
  font-weight: 700; font-size: var(--text-base);
}
.faq-icon {
  flex: none; width: 1.75rem; height: 1.75rem;
  display: grid; place-items: center;
  border-radius: 50%; background: var(--color-sky-soft); color: var(--color-navy);
  font-weight: 400; font-size: 1.25rem; line-height: 1;
  transition: transform var(--duration-normal) var(--ease-standard);
}
.faq-item.is-open .faq-icon { transform: rotate(45deg); }
.faq-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.35s var(--ease-standard); }
.faq-panel > div { overflow: hidden; }
.faq-panel p { color: var(--color-muted); padding-bottom: var(--space-4); }
.faq-item.is-open .faq-panel { grid-template-rows: 1fr; }

/* Modal galeri */
.modal {
  position: fixed; inset: 0; z-index: 60;
  display: none; align-items: center; justify-content: center;
  padding: var(--gutter);
  background: rgba(5, 71, 99, 0.85);
  backdrop-filter: blur(6px);
}
.modal[open], .modal.is-open { display: flex; }
.modal__stage { position: relative; width: min(100%, 56rem); }
.modal__img {
  width: 100%; max-height: 80vh; object-fit: contain;
  border-radius: var(--radius-xl); background: #000;
  touch-action: pan-y;
}
.modal__btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: var(--touch); height: var(--touch);
  border: 0; border-radius: 50%;
  background: rgba(255,255,255,0.9); color: var(--color-navy);
  display: grid; place-items: center; font-size: 1.25rem;
}
.modal__btn--prev { left: var(--space-2); }
.modal__btn--next { right: var(--space-2); }
.modal__close { position: absolute; top: calc(var(--space-2) * -1); right: 0; transform: translateY(-100%); }
.modal__caption { color: #fff; text-align: center; margin-top: var(--space-3); font-family: var(--font-mono); font-size: var(--text-xs); }