/* ============================================================
   GRAVITYLESS — Global Design System
   Bold / Editorial / Athletic Premium
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@300;400;500;600;700;900&display=swap');

:root {
  --black:       #0A0A0A;
  --black-light: #141414;
  --black-mid:   #1E1E1E;
  --gray-dark:   #2A2A2A;
  --gray-mid:    #3D3D3D;
  --gray:        #6B6B6B;
  --gray-light:  #B0B0B0;
  --white:       #FFFFFF;
  --white-off:   #F0F0F0;
  --accent:      #C8FF00;
  --accent-dim:  #A8D600;
  --danger:      #FF4444;
  --success:     #00CC66;

  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'Inter', sans-serif;

  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 16px;

  --transition: all 0.2s ease;
  --transition-slow: all 0.4s ease;

  --container: 1280px;
  --nav-h: 70px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding-top: var(--nav-h);
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: var(--font-body); border: none; background: none; }
input, select, textarea { font-family: var(--font-body); }
ul { list-style: none; }

/* Typography */
.display { font-family: var(--font-display); letter-spacing: 0.02em; line-height: 0.92; }
.display-xl { font-size: clamp(5rem, 12vw, 11rem); }
.display-lg { font-size: clamp(3.5rem, 7vw, 7rem); }
.display-md { font-size: clamp(2.5rem, 5vw, 4.5rem); }
.display-sm { font-size: clamp(1.8rem, 3vw, 2.8rem); }
.label { font-size: .7rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }

/* Layout */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-lg { padding: 120px 0; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 32px;
  font-size: .875rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  border-radius: var(--radius-sm); transition: var(--transition);
  white-space: nowrap; cursor: pointer; border: none;
}
.btn-primary { background: var(--accent); color: var(--black); }
.btn-primary:hover { background: var(--accent-dim); transform: translateY(-2px); }
.btn-dark { background: var(--white); color: var(--black); }
.btn-dark:hover { background: var(--white-off); }
.btn-outline { background: transparent; color: var(--white); border: 1.5px solid rgba(255,255,255,.3); }
.btn-outline:hover { border-color: var(--white); }
.btn-outline-accent { background: transparent; color: var(--accent); border: 1.5px solid var(--accent); }
.btn-outline-accent:hover { background: var(--accent); color: var(--black); }
.btn-ghost { background: transparent; color: var(--gray-light); }
.btn-ghost:hover { color: var(--white); }
.btn-sm { padding: 10px 20px; font-size: .75rem; }
.btn-lg { padding: 18px 40px; font-size: 1rem; }
.btn-full { width: 100%; }
.btn-icon { padding: 0; width: 40px; height: 40px; border-radius: var(--radius-sm); }

/* Nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h); z-index: 1000;
  background: rgba(10,10,10,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { font-family: var(--font-display); font-size: 1.9rem; letter-spacing: 0.06em; }
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-size: .78rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--gray-light); transition: var(--transition); }
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-actions { display: flex; align-items: center; gap: 4px; }
.nav-cart-btn { position: relative; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); transition: var(--transition); color: var(--white); font-size: 1.1rem; cursor: pointer; }
.nav-cart-btn:hover { background: rgba(255,255,255,.08); }
.cart-badge { position: absolute; top: 4px; right: 4px; width: 17px; height: 17px; background: var(--accent); color: var(--black); border-radius: 50%; font-size: .6rem; font-weight: 700; display: none; align-items: center; justify-content: center; }
.cart-badge.visible { display: flex; }
.nav-mobile-toggle { display: none; flex-direction: column; gap: 5px; width: 36px; height: 36px; align-items: center; justify-content: center; cursor: pointer; }
.nav-mobile-toggle span { width: 22px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }
.mobile-menu { display: none; position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0; background: var(--black); z-index: 999; padding: 40px 24px; flex-direction: column; gap: 8px; overflow-y: auto; }
.mobile-menu.open { display: flex; }
.mobile-menu a { font-family: var(--font-display); font-size: 2.8rem; color: var(--white); border-bottom: 1px solid rgba(255,255,255,.07); padding: 12px 0; transition: var(--transition); }
.mobile-menu a:hover { color: var(--accent); padding-left: 12px; }

/* Announcement */
.announcement { background: var(--accent); color: var(--black); text-align: center; padding: 9px; font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }

/* Hero */
.hero { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; }
.hero-content { display: flex; flex-direction: column; justify-content: center; padding: 80px 60px 80px max(24px, calc((100vw - 1280px)/2 + 24px)); }
.hero-eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.hero-eyebrow-line { width: 40px; height: 2px; background: var(--accent); flex-shrink: 0; }
.hero-title { font-family: var(--font-display); font-size: clamp(5rem, 8.5vw, 9.5rem); line-height: .9; margin-bottom: 28px; }
.hero-title em { color: var(--accent); font-style: normal; }
.hero-desc { color: var(--gray-light); font-size: 1rem; line-height: 1.75; max-width: 400px; margin-bottom: 40px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image { position: relative; overflow: hidden; background: var(--black-mid); }
.hero-image img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.hero-image-overlay { position: absolute; inset: 0; background: linear-gradient(to right, var(--black) 0%, transparent 25%); }

/* Product Cards */
.product-card { background: var(--black-light); border-radius: var(--radius); overflow: hidden; transition: var(--transition-slow); cursor: pointer; }
.product-card:hover { transform: translateY(-6px); }
.product-card:hover .product-card-img img { transform: scale(1.07); }
.product-card-img { position: relative; aspect-ratio: 3/4; overflow: hidden; background: var(--black-mid); }
.product-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-badge { position: absolute; top: 12px; left: 12px; padding: 4px 10px; border-radius: 2px; font-size: .62rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.badge-new { background: var(--white); color: var(--black); }
.badge-hot { background: var(--accent); color: var(--black); }
.badge-sale { background: var(--danger); color: var(--white); }
.product-card-wishlist { position: absolute; top: 10px; right: 10px; width: 32px; height: 32px; background: rgba(10,10,10,.75); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: .9rem; transition: var(--transition); opacity: 0; }
.product-card:hover .product-card-wishlist { opacity: 1; }
.product-card-body { padding: 14px 16px 16px; }
.product-card-cat { font-size: .62rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--gray); margin-bottom: 4px; }
.product-card-name { font-size: .95rem; font-weight: 600; line-height: 1.3; margin-bottom: 10px; }
.product-card-footer { display: flex; align-items: center; justify-content: space-between; }
.price { font-size: .95rem; font-weight: 700; }
.price-original { font-size: .82rem; color: var(--gray); text-decoration: line-through; margin-left: 6px; }
.quick-add-btn { width: 32px; height: 32px; border-radius: var(--radius-sm); background: var(--accent); color: var(--black); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; font-weight: 700; transition: var(--transition); opacity: 0; }
.product-card:hover .quick-add-btn { opacity: 1; }
.quick-add-btn:hover { background: var(--accent-dim); }

/* Product Grids */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* Cat Pills */
.cat-pills { display: flex; gap: 8px; flex-wrap: wrap; }
.cat-pill { padding: 8px 22px; border: 1.5px solid rgba(255,255,255,.15); border-radius: 100px; font-size: .76rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; cursor: pointer; transition: var(--transition); color: var(--gray-light); }
.cat-pill:hover { border-color: rgba(255,255,255,.4); color: var(--white); }
.cat-pill.active { background: var(--accent); border-color: var(--accent); color: var(--black); }

/* Shop Layout */
.shop-layout { display: grid; grid-template-columns: 220px 1fr; gap: 40px; align-items: start; }
.filters-panel { position: sticky; top: calc(var(--nav-h) + 20px); background: var(--black-light); border-radius: var(--radius); padding: 24px; }
.filters-title { font-size: .72rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; margin-bottom: 24px; display: flex; justify-content: space-between; align-items: center; }
.filters-clear { font-size: .7rem; color: var(--accent); cursor: pointer; font-weight: 600; background: none; border: none; }
.filter-group { margin-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,.06); padding-bottom: 20px; }
.filter-group:last-child { border-bottom: none; padding-bottom: 0; margin-bottom: 0; }
.filter-group-label { font-size: .68rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--gray-light); margin-bottom: 12px; }
.filter-option { display: flex; align-items: center; gap: 10px; font-size: .83rem; color: var(--gray-light); cursor: pointer; transition: var(--transition); padding: 4px 0; }
.filter-option:hover { color: var(--white); }
.filter-checkbox { width: 16px; height: 16px; border: 1.5px solid var(--gray-mid); border-radius: 3px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: var(--transition); color: var(--black); font-size: .55rem; }
.filter-option.active .filter-checkbox { background: var(--accent); border-color: var(--accent); }
.filter-option.active { color: var(--white); }
.size-grid-filter { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.size-btn { padding: 7px 2px; border: 1.5px solid var(--gray-mid); border-radius: var(--radius-sm); font-size: .72rem; font-weight: 600; text-align: center; cursor: pointer; color: var(--gray-light); transition: var(--transition); background: none; }
.size-btn:hover { border-color: var(--white); color: var(--white); }
.size-btn.active { background: var(--accent); border-color: var(--accent); color: var(--black); }
.price-range input[type=range] { width: 100%; accent-color: var(--accent); cursor: pointer; margin: 8px 0; }
.price-range-labels { display: flex; justify-content: space-between; font-size: .8rem; color: var(--gray-light); }

/* Shop Toolbar */
.shop-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
.result-count { font-size: .875rem; color: var(--gray-light); }
.result-count strong { color: var(--white); }
.sort-select { background: var(--black-mid); border: 1.5px solid var(--gray-dark); border-radius: var(--radius-sm); color: var(--white); padding: 8px 14px; font-size: .8rem; cursor: pointer; outline: none; }
.mobile-filter-toggle { display: none; align-items: center; gap: 8px; padding: 9px 16px; border: 1.5px solid var(--gray-dark); border-radius: var(--radius-sm); font-size: .78rem; font-weight: 600; color: var(--white); cursor: pointer; background: none; }

/* Cart Drawer */
.cart-overlay { position: fixed; inset: 0; z-index: 2000; background: rgba(0,0,0,.65); opacity: 0; pointer-events: none; transition: opacity 0.35s ease; }
.cart-overlay.open { opacity: 1; pointer-events: all; }
.cart-drawer { position: absolute; top: 0; right: 0; bottom: 0; width: min(440px, 100vw); background: var(--black-light); display: flex; flex-direction: column; transform: translateX(100%); transition: transform 0.35s cubic-bezier(0.4,0,0.2,1); border-left: 1px solid rgba(255,255,255,.06); }
.cart-overlay.open .cart-drawer { transform: translateX(0); }
.cart-header { padding: 22px 24px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.06); }
.cart-header h3 { font-size: .9rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.cart-body { flex: 1; overflow-y: auto; padding: 20px 24px; }
.cart-empty { text-align: center; padding: 60px 0; color: var(--gray); }
.cart-empty-icon { font-size: 2.5rem; margin-bottom: 16px; }
.cart-item { display: grid; grid-template-columns: 76px 1fr; gap: 14px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.05); align-items: start; }
.cart-item-img { width: 76px; height: 96px; border-radius: var(--radius-sm); overflow: hidden; background: var(--black-mid); flex-shrink: 0; }
.cart-item-img img { width: 100%; height: 100%; object-fit: cover; }
.cart-item-name { font-size: .875rem; font-weight: 600; margin-bottom: 3px; line-height: 1.3; }
.cart-item-meta { font-size: .75rem; color: var(--gray); margin-bottom: 10px; }
.cart-item-footer { display: flex; align-items: center; justify-content: space-between; }
.cart-item-price { font-size: .875rem; font-weight: 700; color: var(--accent); }
.qty-control { display: flex; align-items: center; gap: 8px; }
.qty-btn { width: 26px; height: 26px; border-radius: 50%; border: 1.5px solid var(--gray-mid); display: flex; align-items: center; justify-content: center; font-size: 1rem; color: var(--white); transition: var(--transition); cursor: pointer; background: none; line-height: 1; }
.qty-btn:hover { border-color: var(--accent); color: var(--accent); }
.qty-num { font-size: .875rem; font-weight: 600; min-width: 22px; text-align: center; }
.cart-remove { color: var(--gray); font-size: .72rem; cursor: pointer; margin-top: 8px; background: none; border: none; transition: var(--transition); display: block; }
.cart-remove:hover { color: var(--danger); }
.cart-footer { padding: 20px 24px; border-top: 1px solid rgba(255,255,255,.06); }
.cart-total-row { display: flex; justify-content: space-between; font-size: .875rem; padding: 5px 0; color: var(--gray-light); }
.cart-total-row.grand { font-size: 1.1rem; font-weight: 700; color: var(--white); margin-top: 10px; border-top: 1px solid rgba(255,255,255,.1); padding-top: 14px; }

/* Toast */
.toast-container { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); z-index: 9999; display: flex; flex-direction: column; gap: 8px; pointer-events: none; min-width: 260px; }
.toast { background: var(--white); color: var(--black); padding: 12px 20px; border-radius: var(--radius-sm); font-size: .85rem; font-weight: 600; box-shadow: 0 8px 30px rgba(0,0,0,.5); animation: toastIn 0.3s ease; pointer-events: all; display: flex; align-items: center; gap: 10px; }
.toast.success { background: #1a1a1a; color: var(--accent); border: 1px solid var(--accent); }
@keyframes toastIn { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }

/* Forms */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--gray-light); }
.form-input { background: var(--black-mid); border: 1.5px solid var(--gray-dark); border-radius: var(--radius-sm); color: var(--white); padding: 12px 16px; font-size: .9rem; outline: none; transition: var(--transition); width: 100%; }
.form-input:focus { border-color: var(--accent); }
.form-input::placeholder { color: var(--gray); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }

/* Steps */
.steps { display: flex; align-items: center; margin-bottom: 48px; }
.step { display: flex; align-items: center; gap: 10px; }
.step-num { width: 34px; height: 34px; border-radius: 50%; border: 2px solid var(--gray-mid); display: flex; align-items: center; justify-content: center; font-size: .78rem; font-weight: 700; flex-shrink: 0; transition: var(--transition); }
.step.active .step-num { border-color: var(--accent); background: var(--accent); color: var(--black); }
.step.done .step-num { border-color: var(--success); background: var(--success); color: var(--white); font-size: .8rem; }
.step-label { font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--gray); }
.step.active .step-label { color: var(--white); }
.step.done .step-label { color: var(--success); }
.step-line { flex: 1; height: 1px; background: var(--gray-dark); margin: 0 12px; max-width: 60px; }

/* Footer */
.footer { background: var(--black-light); border-top: 1px solid rgba(255,255,255,.06); padding: 72px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 56px; }
.footer-logo { font-family: var(--font-display); font-size: 2.2rem; letter-spacing: 0.06em; color: var(--white); margin-bottom: 14px; }
.footer-logo span { color: var(--accent); }
.footer-desc { font-size: .875rem; color: var(--gray); line-height: 1.7; max-width: 280px; margin-bottom: 22px; }
.footer-socials { display: flex; gap: 10px; }
.social-btn { width: 36px; height: 36px; border: 1.5px solid rgba(255,255,255,.12); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: .85rem; transition: var(--transition); }
.social-btn:hover { border-color: var(--accent); color: var(--accent); }
.footer-col-title { font-size: .68rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; color: var(--white); margin-bottom: 18px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: .875rem; color: var(--gray); transition: var(--transition); }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.06); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-copy { font-size: .78rem; color: var(--gray); }

/* Breadcrumb */
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: .78rem; color: var(--gray); padding: 18px 0; }
.breadcrumb a:hover { color: var(--white); }

/* Marquee */
.marquee-strip { background: var(--black-mid); border-top: 1px solid rgba(255,255,255,.05); border-bottom: 1px solid rgba(255,255,255,.05); padding: 14px 0; overflow: hidden; }
.marquee-track { display: flex; gap: 48px; animation: marquee 22s linear infinite; width: max-content; }
.marquee-item { display: flex; align-items: center; gap: 16px; font-size: .68rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; color: var(--gray); white-space: nowrap; }
.marquee-dot { width: 4px; height: 4px; background: var(--accent); border-radius: 50%; flex-shrink: 0; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* Feature strip */
.feature-strip { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.06); border-radius: var(--radius); overflow: hidden; }
.feature-item { background: var(--black-light); padding: 28px 20px; text-align: center; }
.feature-icon { font-size: 1.8rem; margin-bottom: 10px; }
.feature-title { font-size: .88rem; font-weight: 700; margin-bottom: 5px; }
.feature-desc { font-size: .78rem; color: var(--gray); line-height: 1.5; }

/* Misc */
.divider { width: 48px; height: 3px; background: var(--accent); margin: 16px 0; }
.tag { display: inline-block; padding: 4px 12px; border-radius: 100px; font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; background: rgba(255,255,255,.07); color: var(--gray-light); }
.tag-accent { background: rgba(200,255,0,.12); color: var(--accent); }
.hidden { display: none !important; }
.text-accent { color: var(--accent); }
.text-gray { color: var(--gray-light); }
.text-center { text-align: center; }

/* Responsive */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(3,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .feature-strip { grid-template-columns: repeat(2,1fr); }
  .shop-layout { grid-template-columns: 200px 1fr; gap: 24px; }
}
@media (max-width: 768px) {
  :root { --nav-h: 60px; }
  .nav-links { display: none; }
  .nav-mobile-toggle { display: flex; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-image { height: 55vh; order: -1; }
  .hero-image-overlay { background: linear-gradient(to bottom, var(--black) 0%, transparent 40%); }
  .hero-content { padding: 48px 24px 40px; }
  .hero-title { font-size: clamp(4rem, 14vw, 7rem); }
  .grid-4, .grid-3 { grid-template-columns: repeat(2,1fr); }
  .product-grid { grid-template-columns: repeat(2,1fr); gap: 12px; }
  .shop-layout { grid-template-columns: 1fr; }
  .filters-panel { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 1500; border-radius: 0; overflow-y: auto; }
  .filters-panel.mobile-open { display: block; }
  .mobile-filter-toggle { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .form-row { grid-template-columns: 1fr; }
  .steps .step-label { display: none; }
  .step-line { max-width: 32px; margin: 0 6px; }
}
@media (max-width: 480px) {
  .section { padding: 56px 0; }
  .section-lg { padding: 72px 0; }
  .product-grid { gap: 10px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; }
}