/* ============================================================
   STRAVEN — Catálogo Mayorista — Premium Dark Theme
   ============================================================ */

:root{
  --bg: #0a0a0b;
  --bg-soft: #111113;
  --card: #16161850;
  --card-solid: #161618;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.16);
  --text: #f4f4f5;
  --text-dim: #98989e;
  --text-faint: #6a6a70;
  --accent: #85ff22;
  --accent-dim: #85ff221a;
  --accent-glow: #85ff2255;
  --danger: #ff4d4d;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 9px;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
button{ font-family: inherit; cursor:pointer; }

/* subtle noise / glow backdrop */
body::before{
  content:"";
  position: fixed;
  top:-20%; left:50%;
  width:1200px; height:900px;
  transform: translateX(-50%);
  background: radial-gradient(circle, var(--accent-dim) 0%, transparent 65%);
  pointer-events:none;
  z-index:0;
}

/* ===================== HEADER ===================== */
.site-header{
  position: sticky; top:0; z-index: 60;
  background: rgba(10,10,11,0.82);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border);
}
.header-inner{
  max-width: 1320px; margin:0 auto;
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 28px;
  gap: 20px;
}
.brand{ display:flex; align-items:center; }
.brand-logo{ height: 34px; width:auto; }
.header-tagline{
  font-family: var(--font-display);
  font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-faint);
  display:none;
}
@media(min-width:720px){ .header-tagline{ display:block; } }

.header-actions{ display:flex; align-items:center; gap:14px; }
.cart-toggle{
  position:relative;
  background: var(--card-solid);
  border:1px solid var(--border-strong);
  border-radius: 999px;
  width:46px; height:46px;
  display:flex; align-items:center; justify-content:center;
  color: var(--text);
  transition: border-color .2s, transform .15s;
}
.cart-toggle:hover{ border-color: var(--accent); transform: translateY(-1px); }
.cart-icon{ width:21px; height:21px; }
.cart-count{
  position:absolute; top:-6px; right:-6px;
  background: var(--accent); color:#0a0a0b;
  font-size:11px; font-weight:700;
  width:20px; height:20px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 0 0 2px var(--bg);
}

.cat-nav{
  border-top: 1px solid var(--border);
  overflow-x:auto;
  scrollbar-width:none;
}
.cat-nav::-webkit-scrollbar{ display:none; }
.cat-nav-inner{
  max-width:1320px; margin:0 auto;
  display:flex; gap:10px;
  padding: 12px 28px;
  white-space:nowrap;
}
.cat-pill{
  font-family: var(--font-display);
  font-size: 13px; font-weight:500;
  letter-spacing:.03em;
  padding: 8px 18px;
  border-radius:999px;
  border:1px solid var(--border-strong);
  color: var(--text-dim);
  background: transparent;
  transition: all .18s;
  flex-shrink:0;
}
.cat-pill:hover{ color: var(--text); border-color: var(--text-dim); }
.cat-pill.active{
  background: var(--accent);
  color: #0a0a0b;
  border-color: var(--accent);
}

/* ===================== CATALOG / SECTIONS ===================== */
#catalog{ position:relative; z-index:1; max-width:1320px; margin:0 auto; padding: 40px 28px 60px; }
.cat-section{ padding-top: 52px; scroll-margin-top: 130px; }
.cat-section-head{
  display:flex; align-items:baseline; gap:14px;
  margin-bottom: 22px;
}
.cat-section-title{
  font-family: var(--font-display);
  font-size: 26px; font-weight:700; text-transform:uppercase; letter-spacing:.02em;
  margin:0;
}
.cat-section-count{ color: var(--text-faint); font-size:13px; }
.cat-section-rule{ flex:1; height:1px; background: linear-gradient(90deg, var(--border-strong), transparent); }

.product-grid{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(252px, 1fr));
  gap: 22px;
}

/* ===================== PRODUCT CARD ===================== */
.product-card{
  background: var(--card-solid);
  border:1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow:hidden;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
  display:flex; flex-direction:column;
}
.product-card:hover{
  transform: translateY(-5px);
  border-color: var(--accent-glow);
  box-shadow: 0 18px 40px -12px rgba(0,0,0,0.6), 0 0 0 1px var(--accent-glow);
}
.card-media{
  position:relative;
  background: #ffffff;
  aspect-ratio: 1/1;
  cursor:pointer;
  overflow:hidden;
}
.card-media img{
  width:100%; height:100%; object-fit:contain;
  transition: transform .35s ease;
}
.product-card:hover .card-media img{ transform: scale(1.045); }

.badge-brand{
  position:absolute; top:10px; left:10px; z-index:2;
  background: rgba(255,255,255,0.92);
  border-radius: 999px;
  width:46px; height:46px;
  display:flex; align-items:center; justify-content:center;
  padding:7px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}
.badge-brand img{ width:100%; height:100%; object-fit:contain; }

.badge-promo{
  position:absolute; top:10px; right:10px; z-index:2;
  background: var(--danger);
  color:#fff;
  font-family: var(--font-display);
  font-weight:700; font-size:11px; letter-spacing:.04em;
  padding: 5px 10px;
  border-radius: 999px;
  text-transform:uppercase;
  box-shadow: 0 2px 10px -2px rgba(255,77,77,0.55);
}

.card-body{ padding: 16px 18px 18px; display:flex; flex-direction:column; gap:10px; flex:1; }
.card-category{ font-size:11px; text-transform:uppercase; letter-spacing:.1em; color: var(--text-faint); }
.card-title{
  font-family: var(--font-display); font-weight:600; font-size:16px;
  margin:0; cursor:pointer; line-height:1.3;
}
.card-title:hover{ color: var(--accent); }

.card-price-row{ display:flex; align-items:baseline; gap:8px; margin-top:2px; }
.card-price{ font-family: var(--font-display); font-size:22px; font-weight:700; color: var(--accent); }
.card-price-unit{ font-size:12px; color: var(--text-faint); }
.card-price-tier{ font-size:11.5px; color: var(--text-dim); margin:0; }
.card-upsell{ font-size:11.5px; color: var(--text-faint); margin:0; min-height:14px; }

.card-actions{ margin-top:auto; display:flex; flex-direction:column; gap:10px; padding-top:6px; }
.stepper{
  display:flex; align-items:center;
  border:1px solid var(--border-strong);
  border-radius: 999px;
  overflow:hidden;
  width: fit-content;
}
.step-btn{
  background:transparent; border:none; color: var(--text);
  width:34px; height:34px; font-size:16px;
  display:flex; align-items:center; justify-content:center;
  transition: background .15s;
}
.step-btn:hover{ background: var(--border); }
.stepper input{
  width:42px; text-align:center; background:transparent; border:none; color:var(--text);
  font-family: var(--font-body); font-size:14px; font-weight:600;
  -moz-appearance: textfield;
}
.stepper input::-webkit-outer-spin-button,
.stepper input::-webkit-inner-spin-button{ -webkit-appearance:none; margin:0; }

.card-buttons{ display:flex; gap:8px; }

.btn{
  font-family: var(--font-display);
  font-weight:600; font-size:13.5px; letter-spacing:.02em;
  border-radius:999px; border:none;
  padding: 11px 18px;
  transition: transform .15s, box-shadow .15s, background .15s;
}
.btn-primary{ background: var(--accent); color:#0a0a0b; flex:1; }
.btn-primary:hover{ box-shadow: 0 6px 18px -4px var(--accent-glow); transform: translateY(-1px); }
.btn-mixed{
  background: transparent; color: var(--text);
  border:1px solid var(--border-strong);
  width:100%; text-align:center;
  font-size:12.5px;
}
.btn-mixed:hover{ border-color: var(--accent); color: var(--accent); }
.btn-block{ width:100%; }
.btn-text{
  background:none; border:none; color: var(--text-faint);
  font-size:12.5px; text-decoration:underline;
  width:100%; text-align:center; padding: 8px;
}
.btn-text:hover{ color: var(--text-dim); }

/* ===================== FOOTER ===================== */
.site-footer{
  position:relative; z-index:1;
  border-top:1px solid var(--border);
  padding: 40px 28px 60px;
  text-align:center;
  color: var(--text-faint);
  font-size:12.5px;
}
.footer-logo{ height:26px; margin:0 auto 14px; opacity:.7; }

/* ===================== MODAL ===================== */
.modal-overlay{
  position:fixed; inset:0; z-index:100;
  background: rgba(5,5,6,0.78);
  backdrop-filter: blur(6px);
  display:flex; align-items:center; justify-content:center;
  padding: 24px;
  opacity:0; visibility:hidden;
  transition: opacity .25s ease;
}
.modal-overlay.open{ opacity:1; visibility:visible; }
.modal{
  background: var(--bg-soft);
  border:1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  max-width: 980px; width:100%;
  max-height: 88vh;
  overflow:auto;
  position:relative;
  transform: translateY(18px) scale(.98);
  transition: transform .25s ease;
}
.modal-overlay.open .modal{ transform: translateY(0) scale(1); }
.modal-close{
  position:absolute; top:16px; right:16px; z-index:5;
  background: rgba(0,0,0,0.5); color:#fff;
  border:1px solid var(--border-strong);
  width:38px; height:38px; border-radius:50%;
  font-size:22px; line-height:1;
  display:flex; align-items:center; justify-content:center;
}
.modal-close:hover{ border-color: var(--accent); color: var(--accent); }

.modal-grid{ display:grid; grid-template-columns: 1.1fr 1fr; }
@media(max-width:760px){ .modal-grid{ grid-template-columns: 1fr; } }

.modal-gallery{ background:#fff; display:flex; flex-direction:column; }
.gallery-main{ position:relative; aspect-ratio:1/1; }
.gallery-main img{ width:100%; height:100%; object-fit:contain; }
.gallery-arrow{
  position:absolute; top:50%; transform:translateY(-50%);
  background: rgba(10,10,11,0.55); color:#fff;
  border:none; width:40px; height:40px; border-radius:50%;
  font-size:22px; display:flex; align-items:center; justify-content:center;
}
.gallery-arrow:hover{ background: var(--accent); color:#0a0a0b; }
.gallery-arrow-left{ left:12px; }
.gallery-arrow-right{ right:12px; }
.gallery-thumbs{
  display:flex; gap:8px; padding:12px; overflow-x:auto;
  background:#f4f4f4;
}
.gallery-thumbs img{
  width:58px; height:58px; object-fit:contain; background:#fff;
  border-radius:8px; border:2px solid transparent; cursor:pointer; flex-shrink:0;
}
.gallery-thumbs img.active{ border-color: var(--accent); }

.modal-info{ padding: 30px 32px 36px; display:flex; flex-direction:column; }
.modal-brand-row{ display:flex; align-items:center; gap:10px; margin-bottom:14px; }
.modal-brand-logo{ width:30px; height:30px; object-fit:contain; background:#fff; border-radius:50%; padding:5px; }
.modal-category{ font-size:11.5px; text-transform:uppercase; letter-spacing:.12em; color: var(--text-faint); }
.modal-title{ font-family: var(--font-display); font-size:26px; margin:0 0 6px; line-height:1.2; }
.modal-promo{
  display:inline-block; background: var(--danger); color:#fff;
  font-family: var(--font-display); font-weight:700; font-size:11px;
  padding:4px 10px; border-radius:999px; text-transform:uppercase;
  margin-bottom:16px;
}
.modal-promo:empty{ display:none; }

.price-tiers{ width:100%; border-collapse:collapse; margin: 6px 0 18px; font-size:13px; }
.price-tiers td{ padding:8px 4px; border-bottom:1px solid var(--border); color: var(--text-dim); }
.price-tiers td:last-child{ text-align:right; font-weight:600; color: var(--text); font-family: var(--font-display); }
.price-tiers tr.tier-active td{ color: var(--accent); }
.price-tiers tr.tier-active td:last-child{ color: var(--accent); }

.modal-current-price{
  display:flex; align-items:center; justify-content:space-between;
  background: var(--accent-dim);
  border:1px solid var(--accent-glow);
  border-radius: var(--radius-md);
  padding: 14px 18px; margin-bottom:8px;
}
.modal-price-label{ font-size:12.5px; color: var(--text-dim); }
.modal-price-value{ font-family: var(--font-display); font-size:24px; font-weight:700; color: var(--accent); }
.modal-price-value small{ font-size:12px; color: var(--text-faint); font-weight:400; }
.modal-upsell{ font-size:12px; color: var(--text-faint); margin: 0 0 20px; min-height:14px; }

.modal-qty-row{ display:flex; gap:12px; margin-bottom:12px; }
.modal-qty-row .stepper{ flex-shrink:0; }
.modal-qty-row input{ width:50px; }

/* ===================== CART DRAWER ===================== */
.cart-overlay{
  position:fixed; inset:0; z-index:90;
  background: rgba(5,5,6,0.6);
  opacity:0; visibility:hidden; transition: opacity .25s;
}
.cart-overlay.open{ opacity:1; visibility:visible; }

.cart-drawer{
  position:fixed; top:0; right:0; height:100vh; z-index:95;
  width: min(420px, 100vw);
  background: var(--bg-soft);
  border-left:1px solid var(--border-strong);
  display:flex; flex-direction:column;
  transform: translateX(100%);
  transition: transform .3s ease;
}
.cart-drawer.open{ transform: translateX(0); }

.cart-header{
  display:flex; align-items:center; justify-content:space-between;
  padding: 22px 24px; border-bottom:1px solid var(--border);
}
.cart-header h2{ font-family: var(--font-display); font-size:19px; margin:0; }
.cart-close{
  background:transparent; border:none; color: var(--text-dim); font-size:24px;
}
.cart-close:hover{ color: var(--accent); }

.cart-items{ flex:1; overflow-y:auto; padding: 10px 24px; }
.cart-empty{ text-align:center; padding: 60px 10px; color: var(--text-faint); }
.cart-empty p{ margin:4px 0; }
.cart-empty-sub{ font-size:12.5px; }

.cart-line{
  display:grid; grid-template-columns: 56px 1fr auto; gap:12px;
  padding: 16px 0; border-bottom:1px solid var(--border);
  align-items:flex-start;
}
.cart-line img{ width:56px; height:56px; object-fit:contain; background:#fff; border-radius:8px; }
.cart-line-name{ font-size:13.5px; font-weight:600; margin:0 0 2px; line-height:1.3; }
.cart-line-badge{
  display:inline-block; margin-left:6px; font-family: var(--font-display);
  font-size:9.5px; font-weight:700; text-transform:uppercase; letter-spacing:.05em;
  color:#0a0a0b; background: var(--accent); padding:2px 7px; border-radius:999px;
  vertical-align:1px;
}
.cart-line-tier{ font-size:11px; color: var(--text-faint); margin:0 0 8px; }
.cart-line-controls{ display:flex; align-items:center; gap:10px; }
.cart-line-controls .stepper{ transform: scale(.92); transform-origin:left; }
.cart-line-remove{ background:none; border:none; color: var(--text-faint); font-size:11.5px; text-decoration:underline; }
.cart-line-remove:hover{ color: var(--danger); }
.cart-line-amount{ text-align:right; font-family: var(--font-display); font-weight:700; font-size:14px; white-space:nowrap; }
.cart-line-unit{ display:block; font-family: var(--font-body); font-weight:400; font-size:10.5px; color: var(--text-faint); margin-top:3px; }

.cart-footer{ padding: 20px 24px 26px; border-top:1px solid var(--border); }
.cart-total-row{
  display:flex; justify-content:space-between; align-items:baseline;
  font-family: var(--font-display); font-size:15px; margin-bottom:16px;
}
#cartTotal{ font-size:23px; font-weight:700; color: var(--accent); }

/* ===================== TOAST ===================== */
.toast{
  position:fixed; bottom:28px; left:50%; transform: translateX(-50%) translateY(20px);
  background: var(--accent); color:#0a0a0b;
  font-family: var(--font-display); font-weight:600; font-size:13.5px;
  padding: 13px 22px; border-radius:999px;
  box-shadow: 0 10px 30px -8px rgba(0,0,0,0.5);
  opacity:0; pointer-events:none; transition: opacity .25s, transform .25s;
  z-index: 200;
}
.toast.show{ opacity:1; transform: translateX(-50%) translateY(0); }

/* ===================== WHATSAPP FLOTANTE ===================== */
.whatsapp-float{
  position: fixed;
  bottom: 24px; right: 24px;
  width: 58px; height: 58px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 10px 28px -6px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.06);
  z-index: 80;
  transition: transform .2s ease, box-shadow .2s ease;
}
.whatsapp-float svg{ width: 30px; height: 30px; }
.whatsapp-float:hover{
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 14px 32px -6px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.1);
}

/* ===================== RESPONSIVE ===================== */
@media(max-width:520px){
  .header-inner{ padding: 12px 16px; }
  .cat-nav-inner{ padding: 10px 16px; }
  #catalog{ padding: 0 16px 50px; }
  .modal-info{ padding: 24px 20px 28px; }
  .product-grid{ grid-template-columns: repeat(auto-fill, minmax(150px,1fr)); gap:14px; }
  .card-body{ padding: 12px 14px 14px; }
  .card-price{ font-size:18px; }
  .whatsapp-float{ width:52px; height:52px; bottom:18px; right:18px; }
  .whatsapp-float svg{ width:26px; height:26px; }
}