/* ── Shop / Product page styles ──────────────────────────────────── */

/* ── Page hero ────────────────────────────────────────────────────── */
.page-hero {
  position: relative;
  padding: calc(var(--nav-h) + 3rem) 0 3rem;
  overflow: hidden;
  text-align: center;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(220,20,60,0.1) 0%, transparent 70%),
    linear-gradient(180deg, rgba(8,8,8,0) 0%, var(--clr-bg) 100%);
}
.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-crimson), transparent);
}
.page-hero-title {
  font-size: var(--fs-4xl);
  margin-bottom: 0.75rem;
}
.page-hero-sub {
  color: var(--clr-white-muted);
  font-size: var(--fs-lg);
  max-width: 560px;
  margin: 0 auto;
}

/* ── Shop layout ──────────────────────────────────────────────────── */
.shop-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 2.5rem;
  align-items: start;
}

.shop-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 1.5rem);
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.sidebar-section + .sidebar-section { margin-top: 1.5rem; }

.sidebar-title {
  font-family: var(--ff-title);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-crimson);
  margin-bottom: 0.75rem;
}

.filter-radio {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--fs-sm);
  color: var(--clr-white-dim);
  cursor: pointer;
  padding: 0.3rem 0;
  transition: color var(--transition);
}
.filter-radio:hover { color: var(--clr-white); }
.filter-radio input[type=radio] {
  accent-color: var(--clr-crimson);
  width: 14px; height: 14px;
  cursor: pointer;
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--fs-sm);
  color: var(--clr-white-dim);
  cursor: pointer;
  padding: 0.25rem 0;
}
.filter-checkbox input[type=checkbox] {
  accent-color: var(--clr-crimson);
  cursor: pointer;
}

/* ── Shop main ────────────────────────────────────────────────────── */
.shop-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.shop-count {
  font-family: var(--ff-title);
  font-size: var(--fs-sm);
  color: var(--clr-white-muted);
}
#filterToggle { display: none; }

.shop-search {
  margin-bottom: 1.5rem;
  position: relative;
}
.shop-search .form-input {
  padding-left: 2.5rem;
  width: 100%;
}
.shop-search::before {
  content: '⌕';
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--clr-white-muted);
  font-size: 1.2rem;
  pointer-events: none;
}

.shop-empty {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--clr-white-muted);
  grid-column: 1 / -1;
}

/* ── Product card ─────────────────────────────────────────────────── */
.products-grid .card.product-card {
  animation: fadeInUp 0.4s ease both;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Product detail page ──────────────────────────────────────────── */
.product-detail {
  padding: 3rem 0 5rem;
}
.product-detail-inner {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 3rem;
  align-items: start;
}
.product-gallery {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  background: var(--clr-bg-card);
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-gallery img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.gallery-placeholder {
  font-family: var(--ff-heading);
  font-size: 4rem;
  color: var(--clr-crimson);
  opacity: 0.3;
}

.product-detail-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 1.5rem);
}
.purchase-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.purchase-card h2 {
  font-size: var(--fs-2xl);
  margin-bottom: 0.5rem;
}
.purchase-tagline {
  font-size: var(--fs-sm);
  color: var(--clr-white-muted);
  margin-bottom: 1.5rem;
}
.purchase-price-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.purchase-price {
  font-family: var(--ff-heading);
  font-size: var(--fs-3xl);
  color: var(--clr-crimson);
}
.feature-list {
  list-style: none;
  margin-bottom: 1.5rem;
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--fs-sm);
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--clr-white-dim);
}
.feature-list li::before {
  content: '✓';
  color: var(--clr-crimson);
  font-weight: 700;
  flex-shrink: 0;
}
.purchase-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.purchase-note {
  font-size: var(--fs-xs);
  color: var(--clr-white-muted);
  text-align: center;
  margin-top: 0.5rem;
}

.product-info { margin-top: 2rem; }
.product-info h3 {
  font-family: var(--ff-title);
  font-size: var(--fs-xl);
  margin-bottom: 1rem;
  color: var(--clr-white);
}
.product-description {
  color: var(--clr-white-dim);
  line-height: 1.8;
}
.product-version-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--ff-title);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  color: var(--clr-white-muted);
  margin-top: 1.5rem;
}

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .product-detail-inner { grid-template-columns: 1fr; }
  .product-detail-sidebar { position: static; }
}
@media (max-width: 900px) {
  .shop-layout { grid-template-columns: 1fr; }
  .shop-sidebar {
    position: fixed;
    bottom: -100%;
    left: 0; right: 0;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    z-index: 200;
    transition: bottom 0.3s ease;
    max-height: 70vh;
    overflow-y: auto;
  }
  .shop-sidebar.open { bottom: 0; }
  #filterToggle { display: flex; }
}