*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', sans-serif;
}

:root {
  --bg: #050505;
  --bg-soft: #0c0c0f;
  --card: #101018;
  --text-main: #f3f3f3;
  --muted: #a7a7a7;
  --champagne: #C5B358;
  --border-soft: rgba(255,255,255,0.06);
}

/* Loader */
.loader {
  position: fixed;
  inset: 0;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.loader-logo {
  color: var(--champagne);
  letter-spacing: 0.6em;
  text-transform: uppercase;
  font-size: clamp(1.1rem, 3vw, 1.8rem);
  opacity: 0;
}

/* Header */
body {
  background: radial-gradient(circle at top, #141418 0, #050505 40%, #000 100%);
  color: var(--text-main);
  min-height: 100vh;
}

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: rgba(5,5,5,0.9);
  border-bottom: 1px solid var(--border-soft);
  backdrop-filter: blur(8px);
}

.logo {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.55em;
  color: var(--champagne);
}

.menu-btn {
  background: none;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  color: var(--text-main);
  padding: 6px 12px;
  font-size: 1.1rem;
  cursor: pointer;
}

/* Layout */
.layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 24px;
  padding: 24px;
}

/* Filters */
.filters {
  background: #f9f9fc;
  color: #111;
  border-radius: 18px;
  padding: 18px 18px 20px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.3);
}

.filters h2 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.filter-group {
  margin-bottom: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filter-group label {
  font-size: 0.85rem;
  color: #333;
}

.filter-group select,
.filter-group input[type="range"] {
  width: 100%;
}

.filter-group select {
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid #ddd;
  font-size: 0.9rem;
  background: white;
}

.filter-note {
  font-size: 0.8rem;
  color: #555;
}

.btn-outline {
  margin-top: 10px;
  width: 100%;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid #ddd;
  background: #fff;
  font-size: 0.85rem;
  cursor: pointer;
}

/* Products */
.products {
  background: radial-gradient(circle at top, #171720 0, #050509 55%, #020203 100%);
  border-radius: 18px;
  padding: 18px 18px 24px;
  border: 1px solid var(--border-soft);
  box-shadow: 0 18px 40px rgba(0,0,0,0.6);
}

.page-title h1 {
  font-size: 1.6rem;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--champagne);
  text-align: center;
}

.page-title .subtitle {
  margin-top: 6px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

/* Results bar */
.results-bar {
  margin-top: 18px;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
}

.results-left {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
}

#perPage {
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: rgba(0,0,0,0.6);
  color: var(--text-main);
}

.results-right {
  color: var(--muted);
}

/* Grid */
.grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.card {
  background: var(--card);
  border-radius: 16px;
  padding: 10px;
  border: 1px solid rgba(255,255,255,0.04);
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  opacity: 0;
  transform: translateY(10px);
}

.card-title {
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.card-meta {
  font-size: 0.8rem;
  color: var(--muted);
}

.card-footer {
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.price {
  color: var(--champagne);
  font-weight: 600;
}

.btn {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--champagne);
  color: #111;
}

/* Responsive */
@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .filters {
    order: 2;
  }
  .products {
    order: 1;
  }
}

@media (max-width: 640px) {
  .results-bar {
    flex-direction: column;
    align-items: flex-start;
  }
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}