:root{
  --navy:#14357f; --blue:#0a6fc2; --teal:#00a39a; --red:#e2342f; --gold:#f2b705;
  --wa:#25d366; --ink:#1b2440; --dim:#5b6577; --bg:#f4f6fb; --line:#e4e8f2;
}
*{box-sizing:border-box}
body{margin:0;font-family:Montserrat,system-ui,sans-serif;background:var(--bg);color:var(--ink)}
button{font-family:inherit;cursor:pointer}
.flag{height:4px;background:linear-gradient(90deg,var(--teal) 0 20%,var(--blue) 20% 40%,var(--navy) 40% 60%,var(--red) 60% 80%,var(--gold) 80% 100%)}
/* topbar */
.top{position:sticky;top:0;z-index:40;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.06)}
.bar{display:flex;align-items:center;gap:14px;max-width:1180px;margin:0 auto;padding:10px 16px}
.logo{height:44px}
.buscador{flex:1}
.buscador input{width:100%;border:1.5px solid var(--line);border-radius:999px;padding:11px 16px;font-size:15px;outline:none}
.buscador input:focus{border-color:var(--blue)}
.cart-btn{background:var(--navy);color:#fff;border:none;border-radius:999px;padding:10px 16px;font-weight:700;font-size:15px}
#cart-count{background:#fff;color:var(--navy);border-radius:999px;padding:0 7px;margin-left:2px;font-size:13px}
/* layout */
.layout{max-width:1180px;margin:0 auto;padding:18px 16px;display:grid;grid-template-columns:230px 1fr;gap:22px}
.side-h{font-weight:800;color:var(--navy);font-size:14px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
.side .cat{display:block;width:100%;text-align:left;background:none;border:none;padding:8px 10px;border-radius:9px;font-size:14px;color:var(--ink)}
.side .cat:hover{background:#eef3fc}
.side .cat.on{background:var(--navy);color:#fff;font-weight:700}
.side .cat .n{float:right;color:#9aa5b1;font-size:12px}
.side .cat.on .n{color:#cdd9f3}
#marca{width:100%;border:1.5px solid var(--line);border-radius:9px;padding:9px;font-size:14px}
.info{color:var(--dim);font-size:14px;margin-bottom:12px}
/* grid productos */
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}
.prod{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .15s,transform .15s}
.prod:hover{box-shadow:0 12px 28px -16px rgba(20,53,127,.45);transform:translateY(-3px)}
.prod .ph{height:130px;background:#f0f3fa;display:flex;align-items:center;justify-content:center;font-size:40px;color:#c3cee0}
.prod .ph img{width:100%;height:100%;object-fit:contain}
.prod .b{padding:11px 12px;display:flex;flex-direction:column;gap:6px;flex:1}
.prod .marca{font-size:11px;color:var(--teal);font-weight:700;text-transform:uppercase}
.prod .nom{font-size:13.5px;font-weight:600;line-height:1.3;min-height:35px}
.prod .sku{font-size:11px;color:#9aa5b1}
.prod .pre{font-size:18px;font-weight:800;color:var(--navy);margin-top:auto}
.prod .add{background:var(--navy);color:#fff;border:none;border-radius:9px;padding:9px;font-weight:700;font-size:13px}
.prod .add.in{background:var(--teal)}
.btn-mas{background:#fff;border:1.5px solid var(--navy);color:var(--navy);border-radius:999px;padding:11px 26px;font-weight:700}
/* drawers */
.drawer-bg{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:50;display:none}
.drawer-bg.on{display:block}
.drawer{position:fixed;top:0;right:-460px;width:min(420px,92vw);height:100%;background:#fff;z-index:60;
  display:flex;flex-direction:column;transition:right .25s;box-shadow:-8px 0 30px rgba(0,0,0,.2)}
.drawer.on{right:0}
.drawer-h{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--line);font-size:17px}
.drawer-h button{background:none;border:none;font-size:20px;color:var(--dim)}
.cart-items{flex:1;overflow-y:auto;padding:12px 16px}
.ci{display:flex;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.ci .cn{flex:1;font-size:13px}
.ci .cn .cp{color:var(--navy);font-weight:700}
.ci .qty{display:flex;align-items:center;gap:6px}
.ci .qty button{width:28px;height:28px;border:1px solid var(--line);background:#fff;border-radius:7px;font-size:16px;font-weight:700}
.ci .qty span{min-width:22px;text-align:center;font-weight:700}
.ci .del{background:none;border:none;color:#c0392b;font-size:16px}
.cart-empty{color:var(--dim);text-align:center;padding:40px 20px}
.cart-foot{border-top:1px solid var(--line);padding:16px}
.cart-total{display:flex;justify-content:space-between;font-size:17px;margin-bottom:12px}
.cart-total b{color:var(--navy);font-size:22px}
.btn-wa{width:100%;background:var(--wa);color:#fff;border:none;border-radius:12px;padding:14px;font-weight:800;font-size:16px}
.btn-wa:disabled{opacity:.5}
/* modal checkout */
.modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(.96);width:min(440px,94vw);
  max-height:92vh;overflow-y:auto;background:#fff;border-radius:16px;z-index:70;display:none;opacity:0;transition:opacity .2s,transform .2s}
.modal.on{display:block;opacity:1;transform:translate(-50%,-50%) scale(1)}
.co-body{padding:16px}
.co-body label{display:block;font-size:13px;color:var(--dim);margin:10px 0 4px;font-weight:600}
.co-body input,.co-body textarea{width:100%;border:1.5px solid var(--line);border-radius:9px;padding:11px;font-size:15px;font-family:inherit}
.co-body input:focus,.co-body textarea:focus{border-color:var(--blue);outline:none}
.co-total{margin:16px 0;font-size:16px}.co-total b{color:var(--navy);font-size:20px}
.hint{color:var(--dim);font-size:13px;line-height:1.5}
/* responsive */
@media(max-width:820px){
  .layout{grid-template-columns:1fr;gap:12px}
  .side{position:sticky;top:62px;z-index:30;background:var(--bg);display:flex;gap:8px;overflow-x:auto;padding:8px 0}
  .side .side-h{display:none}
  .side #cats{display:flex;gap:8px}
  .side .cat{white-space:nowrap;width:auto;border:1px solid var(--line);background:#fff}
  .side .cat .n{display:none}
  #marca{min-width:150px;width:auto}
}

/* Ofertas relámpago */
.ofertas{background:linear-gradient(135deg,#fff5e6,#ffe9e6);border:1.5px solid #ffd0a8;border-radius:16px;padding:16px;margin-bottom:18px}
.of-h{font-size:20px;font-weight:800;color:#e2342f;margin-bottom:12px}
.of-h .of-sub{font-size:13px;font-weight:600;color:#a0560f;margin-left:6px}
.of-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
.of-card{position:relative;background:#fff;border:1px solid #ffd0a8;border-radius:12px;padding:10px;display:flex;flex-direction:column;gap:6px;text-align:center}
.of-dto{position:absolute;top:6px;left:6px;background:#e2342f;color:#fff;font-size:12px;font-weight:800;padding:2px 7px;border-radius:999px}
.of-ph{height:96px;display:flex;align-items:center;justify-content:center;font-size:34px;color:#f0a060}
.of-ph img{max-width:100%;max-height:100%;object-fit:contain}
.of-nom{font-size:12.5px;font-weight:600;line-height:1.25;min-height:32px}
.of-precios s{color:#9aa5b1;font-size:13px;margin-right:5px}
.of-precios b{color:#e2342f;font-size:18px;font-weight:800}
.of-timer{font-variant-numeric:tabular-nums;font-weight:800;color:#14357f;background:#eef3fc;border-radius:8px;padding:5px;font-size:14px;letter-spacing:.5px}
.of-timer.urgente{color:#fff;background:#e2342f;animation:pulse 1s infinite}
.of-timer.fin{color:#9aa5b1;background:#f0f1f5}
@keyframes pulse{50%{opacity:.6}}
.of-add{background:#e2342f;color:#fff;border:none;border-radius:9px;padding:9px;font-weight:700;font-size:13px;cursor:pointer}
/* badge oferta en cards normales */
.prod-of{border-color:#ffc59a;box-shadow:0 0 0 2px #ffe0c4 inset}
.prod-badge{position:absolute;top:8px;left:8px;background:#e2342f;color:#fff;font-size:11px;font-weight:800;padding:2px 8px;border-radius:999px;z-index:2}
.prod{position:relative}
.pre .pre-base{color:#9aa5b1;font-size:13px;font-weight:500}
.pre-of{color:#e2342f}