/* ============================================================
   PRODUK.CSS — Halaman Produk AROMAKU
   Styling khusus halaman produk (self-contained)
   ============================================================ */

/* ============================================================
   PAGE HEADER
   ============================================================ */
.page-header {
  position: relative;
  padding: 140px 0 48px;
  text-align: center;
}

.page-header .container {
  max-width: 900px;
}

.page-header__title {
  font-family: var(--font-primary, 'Poppins', sans-serif);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.05;
  color: var(--navy, #07182D);
  margin-bottom: 18px;
}

.page-header__desc {
  font-family: var(--font-primary, 'Poppins', sans-serif);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: -0.005em;
  color: var(--text-muted, #5A6270);
  max-width: 640px;
  margin: 0 auto;
}

/* ============================================================
   PRODUCTS SECTION — Beri jarak dengan header
   ============================================================ */
.products-section {
  padding-top: 8px;
  padding-bottom: 96px;
}

/* ============================================================
   FILTER BAR
   ============================================================ */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 56px;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  font-family: var(--font-primary, 'Poppins', sans-serif);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--text-muted, #5A6270);
  background: var(--white, #FFFFFF);
  border: 1.5px solid var(--border, #E8EBF0);
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  outline: none;
}

.filter-btn:hover {
  border-color: var(--navy, #07182D);
  color: var(--navy, #07182D);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(7, 24, 45, 0.06);
}

.filter-btn:focus-visible {
  outline: 2px solid var(--gold, #D4A72C);
  outline-offset: 3px;
}

.filter-btn.active {
  background: var(--navy, #07182D);
  border-color: var(--navy, #07182D);
  color: var(--white, #FFFFFF);
  box-shadow: 0 8px 20px rgba(7, 24, 45, 0.18);
}

/* ============================================================
   PRODUCTS GRID — FULL VERSION
   4 kolom di desktop, 3 di tablet, 2 di mobile, 1 di small
   ============================================================ */
.products-grid--full {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* Animasi masuk untuk kartu produk */
.products-grid--full .product-card {
  animation: productFadeIn 0.5s ease backwards;
}

.products-grid--full .product-card:nth-child(1)  { animation-delay: 0.03s; }
.products-grid--full .product-card:nth-child(2)  { animation-delay: 0.06s; }
.products-grid--full .product-card:nth-child(3)  { animation-delay: 0.09s; }
.products-grid--full .product-card:nth-child(4)  { animation-delay: 0.12s; }
.products-grid--full .product-card:nth-child(5)  { animation-delay: 0.15s; }
.products-grid--full .product-card:nth-child(6)  { animation-delay: 0.18s; }
.products-grid--full .product-card:nth-child(7)  { animation-delay: 0.21s; }
.products-grid--full .product-card:nth-child(8)  { animation-delay: 0.24s; }
.products-grid--full .product-card:nth-child(9)  { animation-delay: 0.27s; }
.products-grid--full .product-card:nth-child(10) { animation-delay: 0.30s; }
.products-grid--full .product-card:nth-child(11) { animation-delay: 0.33s; }
.products-grid--full .product-card:nth-child(12) { animation-delay: 0.36s; }
.products-grid--full .product-card:nth-child(13) { animation-delay: 0.39s; }
.products-grid--full .product-card:nth-child(14) { animation-delay: 0.42s; }

@keyframes productFadeIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.products-empty {
  text-align: center;
  padding: 72px 24px;
  background: var(--white, #FFFFFF);
  border: 1px dashed var(--border, #E8EBF0);
  border-radius: 24px;
  margin-top: 16px;
}

.products-empty p {
  font-family: var(--font-primary, 'Poppins', sans-serif);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-muted, #5A6270);
  line-height: 1.65;
}

.products-empty::before {
  content: '🔍';
  display: block;
  font-size: 2.5rem;
  margin-bottom: 12px;
  opacity: 0.6;
}

/* ============================================================
   RESPONSIVE — TABLET (<= 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .page-header {
    padding: 120px 0 40px;
  }

  .products-grid--full {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .filter-bar {
    margin-bottom: 40px;
  }
}

/* ============================================================
   RESPONSIVE — MOBILE (<= 768px)
   ============================================================ */
@media (max-width: 768px) {
  .page-header {
    padding: 100px 0 32px;
  }

  .page-header__title {
    font-size: clamp(1.75rem, 7vw, 2.5rem);
    margin-bottom: 14px;
  }

  .page-header__desc {
    font-size: 0.9rem;
  }

  /* Filter — scroll horizontal di mobile */
  .filter-bar {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 8px;
    margin-bottom: 32px;
    padding: 4px 4px 12px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .filter-bar::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    padding: 9px 18px;
    font-size: 0.75rem;
    flex-shrink: 0;
  }

  .products-grid--full {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .products-empty {
    padding: 48px 16px;
  }

  .products-section {
    padding-top: 8px;
    padding-bottom: 64px;
  }
}

/* ============================================================
   RESPONSIVE — SMALL MOBILE (<= 480px)
   ============================================================ */
@media (max-width: 480px) {
  .page-header {
    padding: 96px 0 28px;
  }

  .page-header__title {
    font-size: clamp(1.6rem, 8vw, 2.1rem);
  }

  .page-header__desc {
    font-size: 0.85rem;
    line-height: 1.65;
  }

  .products-grid--full {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .filter-btn {
    padding: 8px 16px;
    font-size: 0.72rem;
  }
}

/* ============================================================
   AKSESIBILITAS — REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .products-grid--full .product-card {
    animation: none;
  }

  .filter-btn {
    transition: none;
  }
}