/* ============================================================
   components.css — Kallisto Portfolio Site
   Reusable UI components: buttons, labels, cards, grid, filter
   ============================================================ */

/* ── Overline / Section Label ── */
.overline {
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: var(--label-spacing);
  text-transform: var(--label-transform);
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.overline--light {
  color: var(--color-accent);
  opacity: 0.9;
}

/* ── Section Header ── */
.section-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto var(--space-3xl);
}

.section-title {
  font-size: var(--text-h2);
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.section-title--light {
  color: var(--color-dark-text);
}

.section-desc {
  font-size: var(--text-body);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 55ch;
  margin: 0 auto;
}

.section-desc--light {
  color: var(--color-dark-muted);
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2.25rem;
  background: var(--color-accent);
  color: var(--color-secondary);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--color-accent);
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  background: color-mix(in srgb, var(--color-accent) 85%, #fff);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2.25rem;
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-base);
}
.btn-secondary:hover {
  border-color: var(--color-text);
  background: var(--color-text);
  color: var(--color-bg);
}

.btn-secondary--light {
  color: var(--color-dark-text);
  border-color: var(--color-dark-border);
}
.btn-secondary--light:hover {
  background: var(--color-dark-text);
  color: var(--color-dark-bg);
  border-color: var(--color-dark-text);
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text);
  position: relative;
}
.btn-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}
.btn-link:hover::after { width: 100%; }

/* ── Filter Bar ── */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--space-2xl);
}

.filter-btn {
  padding: 0.5rem 1.4rem;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-base);
}
.filter-btn:hover  { border-color: var(--color-text); color: var(--color-text); }
.filter-btn.active { background: var(--color-text); color: var(--color-bg); border-color: var(--color-text); }

/* ── Product Card ── */
.product-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 0.5px solid var(--color-border);
  transition: transform var(--transition-luxury), box-shadow var(--transition-luxury);
}

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

.card-link {
  display: block;
}

/* Image container */
.card-image-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-luxury), opacity var(--transition-luxury);
  display: block;
}

.product-card:hover .card-image { transform: scale(1.06); }

/* Badge */
.card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--color-accent);
  color: var(--color-secondary);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.8rem;
  border-radius: var(--radius-pill);
  z-index: 2;
}

.card-badge--sold {
  background: var(--color-primary);
  color: var(--color-secondary);
}

/* Card Body */
.card-body {
  padding: 1.25rem;
}

.card-category {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.4rem;
}

.card-title {
  font-size: var(--text-h4);
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.card-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.card-price {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.card-price-sale {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.card-price-original {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.card-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  transition: gap var(--transition-base), color var(--transition-base);
}
.product-card:hover .card-cta { gap: 0.65rem; color: var(--color-accent); }

/* ── Products Grid ── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.products-grid.featured {
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* ── Trust Badges ── */
.trust-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
  padding: 1.5rem 0;
}

.trust-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  text-align: center;
}

.trust-badge-icon {
  font-size: 1.4rem;
  line-height: 1;
}

.trust-badge-text {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ── Responsive Grid ── */
@media (max-width: 1024px) {
  .products-grid         { grid-template-columns: repeat(3, 1fr); }
  .products-grid.featured { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .products-grid          { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .products-grid.featured { grid-template-columns: repeat(1, 1fr); }
}

@media (max-width: 480px) {
  /* Product grids */
  .products-grid          { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
  .products-grid.featured { grid-template-columns: repeat(1, 1fr); }

  /* Card image — shorter ratio prevents excessive height in 1-col layout */
  .card-image-wrap { aspect-ratio: 4 / 3; }

  /* Filter bar — tighter pills */
  .filter-btn { padding: 0.4rem 0.9rem; font-size: var(--text-xs); }

  /* Trust badges — tighten horizontal gap */
  .trust-badges { gap: var(--space-md); }
}