/* ==========================================
   shop.css — UMBRÆ storefront styles
   Extends theme.css. Does NOT override base vars.
   ========================================== */

/* --- Hero CTA (landing page) --- */
.hero-cta-row {
  margin: 2rem 0 2.5rem;
}

.hero-cta {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  color: var(--fg);
  text-decoration: none;
  padding: 0.9rem 2.5rem;
  border: 1px solid var(--border-hover);
  background: transparent;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.hero-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateX(-100%);
  transition: transform 0.25s ease;
  z-index: -1;
}

.hero-cta:hover {
  color: #fff;
  border-color: var(--accent);
}

.hero-cta:hover::before {
  transform: translateX(0);
}

/* --- Closing shop button --- */
.closing-shop-btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--fg);
  text-decoration: none;
  padding: 0.9rem 2.5rem;
  border: 1px solid var(--fg-muted);
  margin-bottom: 3rem;
  transition: all 0.25s ease;
}

.closing-shop-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Make piece-card links work */
.piece-card {
  text-decoration: none;
  display: block;
  cursor: pointer;
}

/* --- Shop Header --- */
.shop-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.shop-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.shop-logo {
  font-family: var(--sans);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: 0.05em;
}

.shop-nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: var(--fg-muted);
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent);
}

/* --- Catalog Hero --- */
.catalog-hero {
  padding: 5rem 2rem 3rem;
  border-bottom: 1px solid var(--border);
  background: radial-gradient(ellipse at 30% 50%, rgba(204, 34, 34, 0.04) 0%, transparent 60%);
}

.catalog-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.catalog-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  color: var(--accent);
  text-transform: uppercase;
  display: block;
  margin-bottom: 1.5rem;
}

.catalog-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 0.75rem;
  line-height: 1;
}

.catalog-sub {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--fg-dim);
  letter-spacing: 0.1em;
}

/* --- Product Grid --- */
.catalog-grid-section {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
}

.product-card {
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  transition: background 0.25s ease;
  text-decoration: none;
  color: inherit;
}

.product-card:hover {
  background: var(--bg-elevated);
}

.product-card-image {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--bg-elevated);
  position: relative;
}

.product-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Atmospheric gradient bg for placeholder */
.product-image-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(204,34,34,0.08) 0%, transparent 70%);
}

.product-image-id {
  font-family: var(--mono);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--fg-muted);
  letter-spacing: 0.1em;
  opacity: 0.4;
  position: relative;
  z-index: 1;
  user-select: none;
}

.product-image-noise {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 128 128' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-repeat: repeat;
  opacity: 0.06;
  pointer-events: none;
}

.product-card-body {
  padding: 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.product-code {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--fg-muted);
  letter-spacing: 0.2em;
}

.product-type {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--fg-muted);
  letter-spacing: 0.15em;
}

.product-name {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--fg);
  margin-bottom: 0.6rem;
}

.product-desc {
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--fg-dim);
  flex: 1;
  margin-bottom: 1.5rem;
}

.product-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-price {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--fg);
}

.product-cta {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.product-cta:hover {
  opacity: 0.7;
}

/* --- Catalog Notes --- */
.catalog-transmission {
  padding: 4rem 2rem 6rem;
  border-top: 1px solid var(--border);
}

.catalog-transmission-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.catalog-transmission-label {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.4em;
  color: var(--accent);
  text-transform: uppercase;
  display: block;
  margin-bottom: 3rem;
}

.catalog-transmission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.catalog-note {
  border-left: 1px solid var(--border);
  padding-left: 1.5rem;
}

.note-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--fg-muted);
  display: block;
  margin-bottom: 0.75rem;
}

.note-text {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--fg-dim);
}

/* --- Product Detail --- */
.product-detail {
  min-height: calc(100vh - 70px);
  padding: 3rem 2rem 6rem;
}

.product-detail-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.product-back {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--fg-muted);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 3rem;
  transition: color 0.2s ease;
}

.product-back:hover {
  color: var(--fg);
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.product-detail-image-box {
  aspect-ratio: 1;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-detail-image-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(204,34,34,0.1) 0%, transparent 65%);
}

.product-detail-image-id {
  font-family: var(--mono);
  font-size: clamp(1.5rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--fg-muted);
  opacity: 0.35;
  letter-spacing: 0.08em;
  position: relative;
  z-index: 1;
}

.product-detail-noise {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 128 128' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-repeat: repeat;
  opacity: 0.07;
  pointer-events: none;
}

.product-detail-scanlines-inner {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 3px,
    rgba(0,0,0,0.04) 3px,
    rgba(0,0,0,0.04) 6px
  );
  pointer-events: none;
}

.product-detail-image-meta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--fg-muted);
  letter-spacing: 0.15em;
}

/* Info panel */
.product-detail-code {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: var(--fg-muted);
  margin-bottom: 1rem;
}

.product-detail-name {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--fg);
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.product-detail-long {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--fg-dim);
  margin-bottom: 2rem;
}

.product-detail-price {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 2.5rem;
}

/* --- Size Selector --- */
.size-form {
  margin-bottom: 2rem;
}

.size-selector {
  margin-bottom: 1.5rem;
}

.size-label {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: var(--fg-muted);
  display: block;
  margin-bottom: 1rem;
}

.size-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.size-option {
  cursor: pointer;
}

.size-option input {
  display: none;
}

.size-btn {
  display: block;
  padding: 0.6rem 1.1rem;
  border: 1px solid var(--border-hover);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
  transition: all 0.2s ease;
  cursor: pointer;
  user-select: none;
}

.size-btn:hover {
  border-color: var(--fg-muted);
  color: var(--fg);
}

.size-btn.selected {
  border-color: var(--accent);
  color: var(--fg);
  background: var(--accent-dim);
}

.size-error {
  margin-top: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--accent);
}

/* --- Checkout Button --- */
.checkout-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1.1rem 1.5rem;
  background: var(--accent);
  border: none;
  color: #fff;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  cursor: pointer;
  transition: all 0.25s ease;
  text-transform: uppercase;
}

.checkout-btn:hover {
  background: #e62828;
}

.checkout-btn-text {
  font-weight: 500;
}

.checkout-btn-arrow {
  font-size: 1rem;
  transition: transform 0.2s ease;
}

.checkout-btn:hover .checkout-btn-arrow {
  transform: translateX(4px);
}

/* --- Product Detail Notes --- */
.product-detail-notes {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}

.product-note-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}

.note-key {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--fg-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.note-val {
  font-size: 0.8rem;
  color: var(--fg-dim);
  text-align: right;
}

/* --- Order Success --- */
.success-section {
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  background: radial-gradient(ellipse at 50% 40%, rgba(204, 34, 34, 0.05) 0%, transparent 60%);
}

.success-inner {
  max-width: 600px;
  text-align: center;
}

.success-status-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
  margin-bottom: 1.5rem;
  animation: pulse-dot 2s ease-in-out infinite;
}

.success-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  color: var(--accent);
  text-transform: uppercase;
  display: block;
  margin-bottom: 1.5rem;
}

.success-label.error {
  color: var(--fg-muted);
}

.success-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 1.5rem;
}

.error-title {
  color: var(--fg-dim);
}

.success-body {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--fg-dim);
  margin-bottom: 2rem;
}

.success-body strong {
  color: var(--fg);
}

.success-body em {
  font-style: italic;
  color: var(--fg);
}

.success-link {
  color: var(--accent);
  text-decoration: none;
}

.success-coords {
  display: flex;
  justify-content: center;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--fg-muted);
  letter-spacing: 0.2em;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.success-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.success-btn {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: #fff;
  background: var(--accent);
  text-decoration: none;
  padding: 0.9rem 2rem;
  transition: background 0.2s ease;
}

.success-btn:hover {
  background: #e62828;
}

.success-btn-ghost {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--fg-dim);
  border: 1px solid var(--border-hover);
  text-decoration: none;
  padding: 0.9rem 2rem;
  transition: all 0.2s ease;
}

.success-btn-ghost:hover {
  border-color: var(--fg-muted);
  color: var(--fg);
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .catalog-transmission-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .catalog-grid {
    grid-template-columns: 1fr;
  }

  .shop-header-inner {
    padding: 1rem 1.5rem;
  }

  .product-detail {
    padding: 2rem 1.5rem 4rem;
  }

  .product-back {
    margin-bottom: 2rem;
  }
}

@media (max-width: 480px) {
  .catalog-grid-section {
    padding: 3rem 1.5rem;
  }

  .success-coords {
    flex-direction: column;
    gap: 0.5rem;
  }
}