:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #6b6b6b;
  --border: #e4e4e4;
  --card-bg: #ffffff;
  --badge-bg: #f2f2f2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Hero */
.hero {
  text-align: center;
  padding: 72px 24px 32px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
}

.hero .subtitle {
  color: var(--muted);
  font-size: 1.05rem;
  margin-top: 12px;
}

/* Filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  padding: 0 24px 40px;
}

.filter-btn {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.filter-btn:hover {
  background: #f5f5f5;
}

.filter-btn.active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

/* Catalogue */
.catalogue {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 40px 80px;
}

.catalogue h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.catalogue-sub {
  color: var(--muted);
  max-width: 60ch;
  margin-bottom: 40px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 32px 24px;
}

@media (max-width: 1200px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 780px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .grid { grid-template-columns: 1fr; }
}

.card {
  display: flex;
  flex-direction: column;
}

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

.card-image {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 16px;
}

.card-image img {
  max-width: 78%;
  max-height: 78%;
  object-fit: contain;
}

.badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--badge-bg);
  color: var(--text);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 999px;
}

.card-body {
  padding: 0 2px;
}

.price {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 4px;
}

.card-body h3 {
  font-size: 1.02rem;
  font-weight: 700;
  margin: 0 0 6px;
  line-height: 1.3;
}

.desc {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
  margin: 0 0 6px;
}

.desc-full {
  display: none;
}

.card.expanded .desc-short {
  display: none;
}

.card.expanded .desc-full {
  display: inline;
}

.read-more {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: underline;
  cursor: pointer;
}

/* Footer */
.footer {
  text-align: center;
  padding: 32px 24px 48px;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}