/* =============================================
   VELOCITY — Brand Store Styles
   Dark streetwear aesthetic
   ============================================= */

:root {
  --black: #0D0D0D;
  --dark: #141414;
  --card: #1A1A1A;
  --border: #2A2A2A;
  --muted: #666;
  --text: #E8E8E8;
  --lime: #CCFF00;
  --lime-dark: #A3CC00;
  --orange: #FF6B35;
  --white: #FFFFFF;
  --radius: 6px;
  --font: 'DM Sans', system-ui, sans-serif;
  --font-serif: 'Fraunces', Georgia, serif;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--black);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- Navbar ---- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(12px);
  z-index: 100;
}
.nav-logo {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: 0.12em;
  color: var(--lime);
  text-decoration: none;
}
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.15s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-cart { color: var(--lime); font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }

/* ---- Hero ---- */
.hero {
  text-align: center;
  padding: 80px 20px 60px;
  border-bottom: 1px solid var(--border);
}
.hero-tag {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 16px;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 20px;
  color: var(--white);
}
.hero h1 em { font-style: normal; color: var(--lime); }
.hero p {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 520px;
  margin: 0 auto 32px;
}
.btn-primary {
  display: inline-block;
  background: var(--lime);
  color: var(--black);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 36px;
  border: none;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
  cursor: pointer;
}
.btn-primary:hover { background: var(--lime-dark); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  display: inline-block;
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  padding: 13px 28px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 0.15s, color 0.15s;
}
.btn-outline:hover { border-color: var(--text); }

/* ---- Marquee banner ---- */
.marquee-wrap {
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  background: var(--dark);
}
.marquee-track {
  display: flex;
  gap: 40px;
  white-space: nowrap;
  animation: marquee 28s linear infinite;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.marquee-track span { color: var(--lime); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---- Section headings ---- */
.section-head {
  text-align: center;
  padding: 64px 20px 40px;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.section-head p { color: var(--muted); font-size: 0.95rem; }

/* ---- Product grid ---- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
  padding: 0 40px 80px;
}
.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.18s, border-color 0.18s;
  text-decoration: none;
  display: block;
}
.product-card:hover { transform: translateY(-4px); border-color: #444; }
.product-image {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--dark);
}
.product-image-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 900;
  color: var(--lime);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  opacity: 0.12;
}
.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 4px;
  color: var(--black);
}
.product-info { padding: 20px; }
.product-category {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 6px;
}
.product-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
}
.product-tagline { font-size: 0.82rem; color: var(--muted); margin-bottom: 14px; }
.product-price {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
}
.product-price-old { font-size: 0.85rem; color: var(--muted); text-decoration: line-through; margin-left: 6px; }

/* ---- Collection filters ---- */
.filters {
  display: flex;
  gap: 12px;
  padding: 0 40px 32px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 8px 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 100px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: all 0.15s;
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--lime);
  color: var(--lime);
}
.filter-btn.active { background: var(--lime); color: var(--black); }

/* ---- Product detail ---- */
.product-detail {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 40px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.product-gallery {
  aspect-ratio: 3/4;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 5rem;
  font-weight: 900;
  color: var(--lime);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  opacity: 0.08;
  position: sticky;
  top: 100px;
}
.product-details h1 {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 8px;
}
.product-details .tagline {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 24px;
}
.price-tag {
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 28px;
}
.price-tag span { font-size: 0.9rem; color: var(--muted); font-weight: 400; }
.product-desc {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.product-features {
  list-style: none;
  margin-bottom: 32px;
}
.product-features li {
  padding: 8px 0;
  font-size: 0.88rem;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.product-features li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--lime);
  flex-shrink: 0;
}
.size-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.size-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.size-pill {
  padding: 8px 16px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  display: inline-block;
}
.size-pill:hover { border-color: var(--lime); color: var(--lime); }
.size-pill.selected { border-color: var(--lime); color: var(--black); background: var(--lime); }
.buy-btn {
  display: block;
  width: 100%;
  background: var(--lime);
  color: var(--black);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  padding: 18px;
  border: none;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s;
}
.buy-btn:hover { background: var(--lime-dark); }
.buy-btn.out-of-stock {
  background: var(--border);
  color: var(--muted);
  cursor: not-allowed;
}
.guarantee {
  text-align: center;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 14px;
}

/* ---- Categories ---- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  padding: 0 40px 80px;
}
.category-card {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  display: block;
}
.category-card-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--lime);
  opacity: 0.06;
  text-transform: uppercase;
}
.category-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%);
}
.category-card h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}
.category-card p { font-size: 0.82rem; color: var(--muted); }

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 40px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 40px;
  align-items: start;
}
.footer-brand {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--lime);
  margin-bottom: 10px;
}
.footer-desc { font-size: 0.82rem; color: var(--muted); max-width: 300px; line-height: 1.6; }
.footer-col h4 {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
  font-size: 0.85rem;
  color: var(--text);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-col ul li a:hover { color: var(--lime); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 40px;
  font-size: 0.78rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
}

/* ---- Cart ---- */
.cart-page {
  max-width: 960px;
  margin: 0 auto;
  padding: 60px 40px 80px;
}
.cart-page h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 40px;
}
.cart-empty {
  text-align: center;
  padding: 80px 20px;
}
.cart-empty h2 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--white);
  margin-bottom: 12px;
}
.cart-empty p { color: var(--muted); margin-bottom: 28px; }
.cart-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.cart-item-image {
  width: 80px;
  height: 100px;
  background: var(--card);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 900;
  color: var(--lime);
  opacity: 0.1;
  text-transform: uppercase;
}
.cart-item-name { font-weight: 600; color: var(--white); }
.cart-item-meta { font-size: 0.8rem; color: var(--muted); margin-top: 4px; }
.cart-item-price { font-weight: 600; color: var(--white); font-size: 1rem; }
.cart-summary {
  margin-top: 32px;
  text-align: right;
}
.cart-summary p { font-size: 1.1rem; color: var(--muted); margin-bottom: 16px; }
.cart-summary p span { font-weight: 700; color: var(--white); font-size: 1.4rem; }

/* ---- Not found ---- */
.not-found {
  text-align: center;
  padding: 120px 20px;
}
.not-found h1 {
  font-family: var(--font-serif);
  font-size: 4rem;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 16px;
}
.not-found p { color: var(--muted); margin-bottom: 28px; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .nav { padding: 16px 20px; }
  .nav-links { display: none; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; padding: 0 20px 60px; }
  .product-detail { grid-template-columns: 1fr; gap: 40px; padding: 40px 20px 60px; }
  .product-gallery { position: static; aspect-ratio: 4/5; }
  .categories-grid { grid-template-columns: 1fr; padding: 0 20px 60px; }
  .footer { grid-template-columns: 1fr; padding: 40px 20px; gap: 28px; }
  .footer-bottom { padding: 20px; flex-direction: column; gap: 8px; }
  .hero h1 { font-size: 2.4rem; }
  .filters { padding: 0 20px 24px; }
}

/* ---- Animations ---- */
.fade-in {
  animation: fadeIn 0.4s ease-out forwards;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.product-card:nth-child(1) { animation: fadeIn 0.4s ease-out 0.05s both; }
.product-card:nth-child(2) { animation: fadeIn 0.4s ease-out 0.12s both; }
.product-card:nth-child(3) { animation: fadeIn 0.4s ease-out 0.19s both; }
.product-card:nth-child(4) { animation: fadeIn 0.4s ease-out 0.26s both; }
.product-card:nth-child(5) { animation: fadeIn 0.4s ease-out 0.33s both; }