/* ============================================================
   RISEN IN RUIN — STOREFRONT STYLES
   Decaycore aesthetic: dark, fractured, blood/green accents
   ============================================================ */

:root {
  --black: #0a0a0a;
  --deep-black: #050505;
  --blood: #8B0000;
  --blood-bright: #cc1100;
  --sick-green: #3a5a2a;
  --sick-green-glow: #4a7a30;
  --bone: #d4cfc4;
  --ash: #777370;
  --rust: #6b3a2a;
  --card-bg: #0d0d0d;
  --card-border: rgba(139, 0, 0, 0.15);
  --input-bg: #111111;
  --input-border: #222;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--deep-black);
  color: var(--bone);
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 300;
  overflow-x: hidden;
  line-height: 1.7;
  min-height: 100vh;
}

/* Grain overlay */
body::after {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.5;
}

a { color: var(--bone); text-decoration: none; }
a:hover { color: var(--blood-bright); }

/* ============================================================
   HEADER / NAV
   ============================================================ */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(139, 0, 0, 0.1);
}

.site-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  color: var(--bone);
  text-transform: uppercase;
}

.site-logo .logo-in {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.55em;
  font-weight: 300;
  color: var(--ash);
  text-transform: lowercase;
  margin: 0 0.15em;
  letter-spacing: 0.15em;
}

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

.site-nav a {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ash);
  transition: color 0.3s;
  position: relative;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--bone);
}

.site-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0; right: 0;
  height: 1px;
  background: var(--blood);
}

.cart-link {
  position: relative;
}

.cart-count {
  position: absolute;
  top: -8px;
  right: -12px;
  background: var(--blood);
  color: var(--bone);
  font-size: 0.55rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
}

.cart-count:empty,
.cart-count[data-count="0"] {
  display: none;
}

/* ============================================================
   LAYOUT
   ============================================================ */

.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 7rem 2rem 4rem;
  min-height: 100vh;
}

.page-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.5rem, 6vw, 4rem);
  letter-spacing: 0.05em;
  color: var(--bone);
  margin-bottom: 0.5rem;
  line-height: 1;
}

.page-subtitle {
  font-size: 0.8rem;
  color: var(--ash);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 3rem;
}

/* ============================================================
   PRODUCT GRID
   ============================================================ */

.filter-bar {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--ash);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.5rem 1.2rem;
  cursor: pointer;
  transition: all 0.3s;
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--blood);
  color: var(--bone);
  background: rgba(139, 0, 0, 0.08);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  transition: all 0.4s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.product-card:hover {
  border-color: var(--blood);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(139, 0, 0, 0.15);
}

.product-card-image {
  aspect-ratio: 1;
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-card-image .product-visual {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
}

.product-visual .visual-glyph {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 5rem;
  line-height: 1;
  opacity: 0.12;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  white-space: nowrap;
  letter-spacing: 0.05em;
}

.product-visual .visual-icon {
  font-size: 4rem;
  opacity: 0.6;
  position: relative;
  z-index: 1;
  filter: grayscale(0.5);
}

.product-visual .visual-line {
  width: 60px;
  height: 1px;
  margin-top: 1rem;
  position: relative;
  z-index: 1;
}

.product-card-info {
  padding: 1.2rem 1.5rem;
  border-top: 1px solid var(--card-border);
}

.product-card-category {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ash);
  margin-bottom: 0.4rem;
}

.product-card-name {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--bone);
  margin-bottom: 0.5rem;
}

.product-card-price {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.3rem;
  color: var(--blood-bright);
  letter-spacing: 0.03em;
}

.product-card-price .compare-price {
  font-size: 0.85rem;
  color: var(--ash);
  text-decoration: line-through;
  margin-left: 0.5rem;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 300;
}

/* Category badge on card */
.product-card .category-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ash);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 0.25rem 0.6rem;
  background: rgba(5,5,5,0.7);
  backdrop-filter: blur(4px);
}

/* ============================================================
   PRODUCT DETAIL PAGE
   ============================================================ */

.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

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

.product-detail-image .product-visual {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  position: relative;
}

.product-detail-image .visual-glyph {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 8rem;
  line-height: 1;
  opacity: 0.08;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  white-space: nowrap;
  letter-spacing: 0.05em;
}

.product-detail-image .visual-icon {
  font-size: 6rem;
  opacity: 0.6;
  position: relative;
  z-index: 1;
}

.product-detail-info {
  padding-top: 1rem;
}

.product-detail-category {
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--blood);
  margin-bottom: 1rem;
}

.product-detail-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 0.03em;
  color: var(--bone);
  line-height: 1;
  margin-bottom: 1rem;
}

.product-detail-price {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  color: var(--blood-bright);
  letter-spacing: 0.03em;
  margin-bottom: 2rem;
}

.product-detail-desc {
  font-size: 0.9rem;
  color: var(--ash);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  max-width: 480px;
}

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

.size-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ash);
  margin-bottom: 0.8rem;
  display: block;
}

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

.size-btn {
  width: 48px;
  height: 48px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--ash);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.size-btn:hover {
  border-color: var(--ash);
  color: var(--bone);
}

.size-btn.selected {
  border-color: var(--blood);
  color: var(--bone);
  background: rgba(139, 0, 0, 0.1);
}

/* Quantity */
.qty-selector {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.qty-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ash);
}

.qty-controls {
  display: flex;
  align-items: center;
  border: 1px solid var(--input-border);
}

.qty-btn {
  width: 40px;
  height: 40px;
  background: var(--input-bg);
  border: none;
  color: var(--bone);
  font-size: 1.1rem;
  cursor: pointer;
  transition: background 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qty-btn:hover {
  background: rgba(139, 0, 0, 0.15);
}

.qty-value {
  width: 48px;
  text-align: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.9rem;
  color: var(--bone);
  background: var(--input-bg);
  border: none;
  border-left: 1px solid var(--input-border);
  border-right: 1px solid var(--input-border);
  height: 40px;
  line-height: 40px;
}

/* Action buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--blood);
  color: var(--bone);
  border: 1px solid var(--blood);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 1rem 2.5rem;
  cursor: pointer;
  transition: all 0.3s;
  width: 100%;
  max-width: 320px;
}

.btn-primary:hover {
  background: var(--blood-bright);
  border-color: var(--blood-bright);
  box-shadow: 0 4px 20px rgba(139, 0, 0, 0.3);
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--bone);
  border: 1px solid var(--card-border);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.8rem 1.5rem;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-secondary:hover {
  border-color: var(--bone);
}

.product-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.product-meta {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(139, 0, 0, 0.1);
}

.product-meta-item {
  font-size: 0.75rem;
  color: var(--ash);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.product-meta-item .meta-icon {
  color: var(--blood);
  font-size: 0.65rem;
}

/* ============================================================
   CART PAGE
   ============================================================ */

.cart-empty {
  text-align: center;
  padding: 6rem 2rem;
}

.cart-empty-icon {
  font-size: 3rem;
  opacity: 0.15;
  margin-bottom: 1.5rem;
}

.cart-empty h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  color: var(--bone);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.cart-empty p {
  color: var(--ash);
  font-size: 0.85rem;
  margin-bottom: 2rem;
}

.cart-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 3rem;
  align-items: start;
}

.cart-items {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--card-border);
}

.cart-item {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--card-bg);
  align-items: center;
}

.cart-item-image {
  aspect-ratio: 1;
  background: var(--black);
  border: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  opacity: 0.5;
}

.cart-item-details {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.cart-item-name {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--bone);
}

.cart-item-variant {
  font-size: 0.7rem;
  color: var(--ash);
  letter-spacing: 0.1em;
}

.cart-item-qty {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.cart-item-qty button {
  width: 28px;
  height: 28px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--bone);
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-item-qty button:hover {
  border-color: var(--blood);
}

.cart-item-qty span {
  font-size: 0.85rem;
  min-width: 1.5rem;
  text-align: center;
}

.cart-item-right {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.cart-item-price {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.2rem;
  color: var(--blood-bright);
}

.cart-item-remove {
  background: none;
  border: none;
  color: var(--ash);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.3s;
  padding: 0.25rem 0;
}

.cart-item-remove:hover {
  color: var(--blood-bright);
}

/* Cart summary */
.cart-summary {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 2rem;
  position: sticky;
  top: 6rem;
}

.cart-summary h3 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  letter-spacing: 0.05em;
  color: var(--bone);
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--card-border);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
  font-size: 0.85rem;
}

.summary-row .label {
  color: var(--ash);
}

.summary-row .value {
  color: var(--bone);
}

.summary-row.total {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--card-border);
  font-size: 1rem;
}

.summary-row.total .value {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.8rem;
  color: var(--blood-bright);
}

.summary-row.shipping-note {
  font-size: 0.7rem;
  color: var(--sick-green-glow);
  letter-spacing: 0.05em;
}

.checkout-btn {
  width: 100%;
  margin-top: 1.5rem;
}

.cart-summary .continue-shopping {
  display: block;
  text-align: center;
  margin-top: 1rem;
  font-size: 0.7rem;
  color: var(--ash);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.cart-summary .continue-shopping:hover {
  color: var(--bone);
}

/* ============================================================
   CHECKOUT SUCCESS/CANCEL
   ============================================================ */

.checkout-result {
  text-align: center;
  padding: 4rem 2rem;
  max-width: 600px;
  margin: 0 auto;
}

.checkout-result .result-icon {
  font-size: 4rem;
  margin-bottom: 2rem;
}

.checkout-result h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.5rem;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.checkout-result p {
  color: var(--ash);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.checkout-result .order-number {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1.1rem;
  color: var(--blood-bright);
  background: rgba(139, 0, 0, 0.08);
  border: 1px solid var(--card-border);
  padding: 1rem 2rem;
  display: inline-block;
  margin-bottom: 2rem;
  letter-spacing: 0.1em;
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  padding: 4rem 2rem 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  margin-top: 4rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-brand {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.2rem;
  letter-spacing: 0.08em;
  color: var(--bone);
  margin-bottom: 0.5rem;
}

.footer-tagline {
  font-size: 0.7rem;
  color: var(--ash);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  font-size: 0.7rem;
  color: var(--ash);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--bone);
}

.footer-copy {
  width: 100%;
  text-align: center;
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  font-size: 0.65rem;
  color: var(--ash);
  opacity: 0.5;
  letter-spacing: 0.1em;
}

/* ============================================================
   LOADING STATE
   ============================================================ */

.loading-skeleton {
  background: linear-gradient(90deg, var(--card-bg) 25%, #151515 50%, var(--card-bg) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 2px;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-card {
  aspect-ratio: 0.8;
}

/* ============================================================
   NOTIFICATION TOAST
   ============================================================ */

.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--card-bg);
  border: 1px solid var(--blood);
  padding: 1rem 1.5rem;
  font-size: 0.8rem;
  color: var(--bone);
  z-index: 10000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s ease;
  max-width: 320px;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast .toast-msg {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 900px) {
  .product-detail {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .cart-layout {
    grid-template-columns: 1fr;
  }

  .cart-summary {
    position: static;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 0.8rem 1rem;
  }

  .site-nav {
    gap: 1rem;
  }

  .site-nav a {
    font-size: 0.6rem;
    letter-spacing: 0.15em;
  }

  .page-container {
    padding: 6rem 1rem 3rem;
  }

  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
  }

  .cart-item {
    grid-template-columns: 80px 1fr auto;
    gap: 1rem;
    padding: 1rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .product-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .product-card-info {
    padding: 0.8rem 1rem;
  }

  .product-card-name {
    font-size: 0.85rem;
  }

  .cart-item {
    grid-template-columns: 60px 1fr;
  }

  .cart-item-right {
    grid-column: 1 / -1;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* ============================================================
   ANIMATIONS
   ============================================================ */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeInUp 0.5s ease both;
}

.fade-in-delay-1 { animation-delay: 0.1s; }
.fade-in-delay-2 { animation-delay: 0.2s; }
.fade-in-delay-3 { animation-delay: 0.3s; }