/* RETRO_ELECTRIC - synthwave storefront */

:root {
  --neon-cyan: #00fff9;
  --neon-pink: #ff006e;
  --neon-purple: #8b5cf6;
  --neon-blue: #3b82f6;
  --dark-bg: #0a0a0f;
  --dark-card: #1a1a2e;
  --dark-secondary: #16213e;
  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --grid-color: rgba(0, 255, 249, 0.15);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Courier New', monospace;
  background: var(--dark-bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body.no-scroll { overflow: hidden; }

main { flex: 1; }

a { color: inherit; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Glow text */
.glow {
  color: var(--neon-cyan);
  text-shadow: 0 0 12px var(--neon-cyan), 0 0 30px var(--neon-cyan);
}

.glow-pink {
  color: var(--neon-pink);
  text-shadow: 0 0 12px var(--neon-pink), 0 0 30px var(--neon-pink);
}

/* Buttons */
.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 14px 28px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  color: var(--text-primary);
  box-shadow: 0 6px 25px rgba(255, 0, 110, 0.45);
}

.btn-primary:hover { box-shadow: 0 10px 35px rgba(255, 0, 110, 0.7); }

.btn-secondary {
  background: transparent;
  color: var(--neon-cyan);
  border: 2px solid var(--neon-cyan);
  box-shadow: 0 0 15px rgba(0, 255, 249, 0.3), inset 0 0 15px rgba(0, 255, 249, 0.15);
}

.btn-secondary:hover { background: rgba(0, 255, 249, 0.1); }

.btn-block { display: block; width: 100%; }

.btn[disabled], .btn.is-disabled {
  opacity: 0.4;
  pointer-events: none;
  box-shadow: none;
}

/* Header */
.site-header {
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--neon-cyan);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0, 255, 249, 0.25);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 18px;
  padding-bottom: 18px;
}

.logo {
  font-size: 1.8rem;
  font-weight: bold;
  letter-spacing: 3px;
  text-decoration: none;
  text-shadow: 0 0 10px rgba(0, 255, 249, 0.6);
}

.cart-button {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(255, 0, 110, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cart-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(255, 0, 110, 0.6);
}

.cart-count {
  position: absolute;
  top: -10px;
  right: -10px;
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  border-radius: 12px;
  background: var(--neon-cyan);
  color: var(--dark-bg);
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 10px var(--neon-cyan);
  transition: transform 0.2s ease;
}

.cart-count.bump { transform: scale(1.4); }

.back-link {
  color: var(--neon-cyan);
  text-decoration: none;
}

.back-link:hover { text-decoration: underline; }

/* Hero */
.hero {
  position: relative;
  padding: 110px 0 120px;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(180deg, #1a0033 0%, var(--dark-bg) 100%);
}

.hero::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 38%;
  width: 320px;
  height: 320px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: linear-gradient(180deg, var(--neon-pink), #ffb800);
  opacity: 0.18;
  filter: blur(8px);
  pointer-events: none;
}

.grid-background {
  position: absolute;
  left: -50%;
  bottom: 0;
  width: 200%;
  height: 60%;
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 60px 60px;
  transform: perspective(400px) rotateX(65deg);
  transform-origin: bottom;
  animation: grid-scroll 3s linear infinite;
  pointer-events: none;
}

@keyframes grid-scroll {
  from { background-position: 0 0; }
  to { background-position: 0 60px; }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 3.2rem;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 36px;
}

/* Products */
.products { padding: 80px 0; }

.section-title {
  text-align: center;
  font-size: 2.3rem;
  margin-bottom: 50px;
  text-transform: uppercase;
  letter-spacing: 4px;
}

/* Flex-wrap keeps every card the same width and centres a partial last row */
.product-grid {
  --columns: 3;
  --gap: 32px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--gap);
}

.product-card {
  width: calc((100% - (var(--columns) - 1) * var(--gap)) / var(--columns));
  display: flex;
  flex-direction: column;
  background: var(--dark-card);
  border: 2px solid rgba(0, 255, 249, 0.15);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: var(--neon-pink);
  box-shadow: 0 15px 40px rgba(255, 0, 110, 0.25), 0 0 20px rgba(0, 255, 249, 0.2);
}

.product-image {
  aspect-ratio: 1 / 1;
  background: #f4f4f6;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 16px;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s ease;
}

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

.product-image.no-image {
  background: linear-gradient(135deg, var(--dark-secondary), #2a0a4a);
  color: var(--neon-cyan);
  font-size: 1.1rem;
  letter-spacing: 2px;
  text-align: center;
  text-transform: uppercase;
  text-shadow: 0 0 10px var(--neon-cyan);
}

.product-image.no-image::after { content: attr(data-placeholder); }

.product-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 22px;
}

.product-year {
  font-size: 0.8rem;
  color: var(--neon-pink);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.product-name {
  font-size: 1.2rem;
  color: var(--neon-cyan);
  margin-bottom: 10px;
  letter-spacing: 1px;
}

.product-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
  flex: 1;
  margin-bottom: 20px;
}

.product-price {
  font-size: 1.6rem;
  font-weight: bold;
  color: var(--neon-pink);
  text-shadow: 0 0 10px rgba(255, 0, 110, 0.7);
  margin-bottom: 14px;
}

.btn-add {
  width: 100%;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
  color: var(--dark-bg);
  box-shadow: 0 4px 15px rgba(0, 255, 249, 0.35);
}

.btn-add:hover { box-shadow: 0 6px 25px rgba(0, 255, 249, 0.6); }

.btn-add.added {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: var(--text-primary);
}

/* Cart drawer */
.cart-drawer {
  position: fixed;
  inset: 0;
  z-index: 1000;
  visibility: hidden;
  transition: visibility 0s linear 0.35s;
}

.cart-drawer.open {
  visibility: visible;
  transition: visibility 0s;
}

.cart-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.cart-drawer.open .cart-overlay { opacity: 1; }

.cart-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(440px, 100%);
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--dark-card);
  border-left: 3px solid var(--neon-cyan);
  box-shadow: -10px 0 50px rgba(0, 255, 249, 0.25);
  transform: translateX(100%);
  transition: transform 0.35s ease;
}

.cart-drawer.open .cart-panel { transform: translateX(0); }

.cart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 24px;
  border-bottom: 2px solid var(--neon-pink);
  background: var(--dark-secondary);
}

.cart-header h2 {
  color: var(--neon-cyan);
  letter-spacing: 2px;
}

.cart-close {
  background: none;
  border: none;
  color: var(--neon-pink);
  font-size: 2.4rem;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.2s ease, color 0.2s ease;
}

.cart-close:hover { color: var(--text-primary); transform: rotate(90deg); }

.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
}

.empty-cart-message {
  text-align: center;
  color: var(--text-secondary);
  padding: 60px 0;
}

.cart-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 14px;
  padding: 14px;
  margin-bottom: 14px;
  background: var(--dark-secondary);
  border: 1px solid rgba(0, 255, 249, 0.15);
  border-radius: 10px;
}

.cart-item img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  background: #f4f4f6;
  border-radius: 6px;
  padding: 4px;
}

.cart-item-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.cart-item-name {
  color: var(--neon-cyan);
  font-weight: bold;
  font-size: 0.95rem;
}

.cart-item-remove {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.8rem;
  text-decoration: underline;
  cursor: pointer;
}

.cart-item-remove:hover { color: var(--neon-pink); }

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

.qty-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--neon-purple);
  border-radius: 6px;
  overflow: hidden;
}

.qty-btn {
  width: 30px;
  height: 30px;
  background: var(--neon-purple);
  border: none;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
}

.qty-btn:hover { background: var(--neon-cyan); color: var(--dark-bg); }

.qty-value {
  min-width: 36px;
  text-align: center;
  font-weight: bold;
}

.cart-item-price {
  color: var(--neon-pink);
  font-weight: bold;
}

.cart-footer {
  padding: 22px 24px;
  border-top: 2px solid var(--neon-cyan);
  background: var(--dark-secondary);
}

.cart-total-row {
  display: flex;
  justify-content: space-between;
  font-size: 1.3rem;
  font-weight: bold;
  margin-bottom: 16px;
}

.total-amount {
  color: var(--neon-pink);
  text-shadow: 0 0 10px rgba(255, 0, 110, 0.7);
}

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 30px;
  transform: translate(-50%, 150%);
  background: var(--dark-card);
  border: 2px solid var(--neon-cyan);
  border-radius: 8px;
  padding: 12px 22px;
  box-shadow: 0 0 25px rgba(0, 255, 249, 0.4);
  transition: transform 0.3s ease;
  z-index: 1100;
  pointer-events: none;
}

.toast.show { transform: translate(-50%, 0); }

/* Checkout */
.checkout-page { padding-top: 60px; padding-bottom: 60px; }

.panel {
  background: var(--dark-card);
  border: 1px solid rgba(0, 255, 249, 0.2);
  border-radius: 12px;
  padding: 28px;
}

.checkout-layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 30px;
  align-items: start;
}

.checkout-layout[hidden], [hidden] { display: none !important; }

.checkout-empty, .order-confirmation {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.checkout-empty p, .order-confirmation p { margin-bottom: 16px; }
.order-confirmation h2 { font-size: 2rem; margin-bottom: 16px; }

fieldset {
  border: none;
  margin-bottom: 26px;
}

legend {
  color: var(--neon-cyan);
  font-size: 1.1rem;
  font-weight: bold;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.checkout-form label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.checkout-form input[type="text"],
.checkout-form input[type="email"] {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 12px 14px;
  background: var(--dark-bg);
  border: 1px solid rgba(160, 160, 176, 0.35);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.checkout-form input:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 0 3px rgba(0, 255, 249, 0.2);
}

.checkout-form input.invalid { border-color: var(--neon-pink); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.checkout-form .radio-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border: 1px solid rgba(160, 160, 176, 0.35);
  border-radius: 8px;
  color: var(--text-primary);
  cursor: pointer;
}

.radio-option span { flex: 1; }
.radio-option:has(input:checked) { border-color: var(--neon-cyan); background: rgba(0, 255, 249, 0.06); }
.radio-option input { accent-color: var(--neon-pink); }

.payment-placeholder {
  padding: 20px;
  border: 1px dashed var(--neon-purple);
  border-radius: 8px;
  color: var(--text-secondary);
  text-align: center;
}

.form-error {
  color: var(--neon-pink);
  min-height: 1.4em;
  margin-bottom: 12px;
}

.order-summary {
  position: sticky;
  top: 100px;
}

.order-summary h2 {
  color: var(--neon-cyan);
  margin-bottom: 18px;
  letter-spacing: 1.5px;
}

.summary-item {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(160, 160, 176, 0.2);
}

.summary-item img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  background: #f4f4f6;
  border-radius: 6px;
  padding: 3px;
}

.summary-item small { color: var(--text-secondary); }

.summary-totals { margin-top: 16px; }

.summary-totals div {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
}

.summary-totals .grand-total {
  border-top: 2px solid var(--neon-cyan);
  margin-top: 8px;
  padding-top: 14px;
  font-size: 1.3rem;
  font-weight: bold;
}

.grand-total dd { color: var(--neon-pink); }

/* Footer */
.site-footer {
  background: var(--dark-card);
  border-top: 2px solid var(--neon-pink);
  padding: 30px 0;
  text-align: center;
  color: var(--text-secondary);
}

.credits {
  font-size: 0.75rem;
  margin-top: 8px;
  opacity: 0.7;
}

/* Responsive */
@media (max-width: 1000px) {
  .product-grid { --columns: 2; }
}

@media (max-width: 860px) {
  .checkout-layout { grid-template-columns: 1fr; }
  .order-summary { position: static; order: -1; }
}

@media (max-width: 600px) {
  .product-grid { --columns: 1; }
  .hero { padding: 70px 0 90px; }
  .hero-title { font-size: 2rem; }
  .hero-subtitle { font-size: 0.95rem; }
  .section-title { font-size: 1.7rem; }
  .logo { font-size: 1.2rem; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
}