/* OxigenoMed — tienda propia */
:root{
  --primary:#0f62d6; --primary-dark:#0a49a8; --primary-bright:#315EFF;
  --ink:#132132; --muted:#5b6b7b; --faint:#8395a5;
  --line:#e4eaf1; --bg:#f4f7fb; --surface:#fff; --soft:#f2f6fb;
  --green:#0f9d6a; --amber:#f0a83c;
  --radius:14px; --shadow:0 6px 22px rgba(19,33,50,.08); --shadow-lg:0 16px 40px rgba(13,73,168,.14);
  --disp:'Fraunces',Georgia,serif; --body:'Inter',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:var(--disp);font-weight:600;letter-spacing:-.01em;margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--body);font-weight:700;font-size:15px;padding:12px 22px;border-radius:11px;border:1.5px solid transparent;cursor:pointer;transition:.15s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-wa{background:#25D366;color:#08331c}
.btn-block{width:100%}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--primary)}

/* Header */
header.top{background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.topbar{display:flex;align-items:center;gap:18px;height:66px}
.logo{display:flex;align-items:center;gap:9px;font-family:var(--disp);font-weight:700;font-size:21px}
.logo b{color:var(--primary)}
.logo svg{width:32px;height:32px;color:var(--primary)}
.top-search{flex:1;display:flex;align-items:center;gap:8px;background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:9px 16px;color:var(--faint);font-size:14px;min-width:0}
.cartlink{position:relative;display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:14px;color:var(--ink)}
.cartlink .badge{background:var(--primary);color:#fff;font-size:11px;font-weight:700;border-radius:999px;min-width:19px;height:19px;display:inline-flex;align-items:center;justify-content:center;padding:0 5px}
nav.cats{border-top:1px solid var(--line)}
nav.cats ul{display:flex;flex-wrap:wrap;gap:6px 22px;list-style:none;margin:0;padding:11px 0;font-size:14px;font-weight:600;color:var(--muted)}
nav.cats a:hover{color:var(--primary)}
@media(max-width:640px){.top-search{display:none}}

/* Hero */
.hero{background:linear-gradient(160deg,var(--soft),#e7f0ff);border-bottom:1px solid var(--line)}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;padding:52px 0}
.hero h1{font-size:clamp(30px,5vw,46px);line-height:1.05}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero p.lead{color:var(--muted);font-size:17px;margin:16px 0 24px;max-width:48ch}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;color:var(--muted);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 12px}
.hero-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-lg);padding:22px}
.hero-card .pv{aspect-ratio:4/3;border-radius:var(--radius);background:linear-gradient(160deg,var(--soft),var(--primary));display:flex;align-items:center;justify-content:center;color:var(--primary)}
.hero-card .pv .ph svg{width:46%;color:#fff;opacity:.9}
@media(max-width:800px){.hero-in{grid-template-columns:1fr;gap:24px}.hero-card{max-width:380px}}

/* Sections */
section.blk{padding:44px 0}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(23px,3.4vw,30px)}
.link-more{font-weight:700;color:var(--primary);font-size:14px}

/* Category cards */
.cats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:.16s;display:flex;flex-direction:column;gap:10px}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.cat-card .ic{width:48px;height:48px;border-radius:12px;background:var(--soft);color:var(--primary);display:flex;align-items:center;justify-content:center}
.cat-card h3{font-size:16px}
.cat-card p{color:var(--muted);font-size:13px;margin:0}
@media(max-width:820px){.cats-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:440px){.cats-grid{grid-template-columns:1fr}}

/* Product grid */
.prods{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.16s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card .media{aspect-ratio:1/1;background:var(--soft);display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line);position:relative;color:var(--primary)}
.card .media img{width:100%;height:100%;object-fit:contain;padding:10px}
.card .media .ph svg{width:52%}
.badge{position:absolute;top:11px;left:11px;background:var(--green);color:#fff;font-size:11px;font-weight:700;padding:5px 9px;border-radius:999px}
.badge.stock{left:auto;right:11px;background:var(--surface);color:var(--green);border:1px solid var(--line)}
.card .info{padding:15px 15px 17px;display:flex;flex-direction:column;gap:7px;flex:1}
.brandtag{font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--primary-bright)}
.pname{font-family:var(--disp);font-weight:600;font-size:15px;line-height:1.25;min-height:2.5em}
.price{font-family:var(--disp);font-weight:700;font-size:20px;color:var(--ink)}
.cuota{font-size:12px;color:var(--muted)}
.cuota b{color:var(--green)}
.card .info .btn{margin-top:auto}
@media(max-width:900px){.prods{grid-template-columns:repeat(2,1fr)}}
@media(max-width:440px){.prods{grid-template-columns:1fr}}

/* Trust strip */
.trust{background:var(--ink);color:#eaf2f9;border-radius:20px;padding:26px 30px;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.trust .t{display:flex;gap:11px;align-items:flex-start}
.trust .t .ic{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.09);display:flex;align-items:center;justify-content:center;color:#54d0e0;flex:none}
.trust h3{font-size:14px;color:#fff;font-family:var(--body);font-weight:700}
.trust p{font-size:12px;color:#9fb6c6;margin:2px 0 0}
@media(max-width:820px){.trust{grid-template-columns:repeat(2,1fr)}}
@media(max-width:440px){.trust{grid-template-columns:1fr}}

/* Product detail */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:36px 0}
.pd .gallery{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;color:var(--primary);box-shadow:var(--shadow)}
.pd .gallery img{width:100%;height:100%;object-fit:contain;padding:22px}
.pd .gallery .ph svg{width:45%}
.pd h1{font-size:clamp(24px,3.6vw,34px);line-height:1.1;margin-bottom:10px}
.pd .price-lg{font-family:var(--disp);font-weight:700;font-size:32px;color:var(--primary);margin:14px 0 4px}
.pd .buybox{display:flex;gap:10px;margin:22px 0;flex-wrap:wrap}
.pd .desc{border-top:1px solid var(--line);margin-top:22px;padding-top:22px;color:var(--muted)}
.pd .desc h1,.pd .desc h2,.pd .desc h3{font-family:var(--body);font-size:16px;color:var(--ink);margin:16px 0 6px}
.pd .desc ul{padding-left:20px}
.pd .desc strong{color:var(--ink)}
.crumbs{font-size:13px;color:var(--faint);padding:16px 0 0}
.crumbs a:hover{color:var(--primary)}
@media(max-width:760px){.pd{grid-template-columns:1fr;gap:24px}}

/* Cart / tables */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.page-title{padding:28px 0 4px}
.cart-row{display:grid;grid-template-columns:80px 1fr auto auto;gap:14px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}
.cart-row .thumb{width:80px;height:80px;border-radius:10px;background:var(--soft);display:flex;align-items:center;justify-content:center;color:var(--primary);overflow:hidden}
.cart-row .thumb img{width:100%;height:100%;object-fit:contain;padding:6px}
.cart-row .thumb .ph svg{width:50%}
.cart-row input[type=number]{width:64px;padding:8px;border:1px solid var(--line);border-radius:8px;font:inherit;text-align:center}
.cart-total{display:flex;justify-content:space-between;align-items:center;font-size:18px;font-weight:800;padding-top:16px}
.linkbtn{background:none;border:none;color:var(--faint);cursor:pointer;font:inherit;text-decoration:underline}
.empty{text-align:center;padding:48px 0;color:var(--muted)}
.notice{background:#fdeceb;border:1px solid #f5c4bf;color:#b3261e;border-radius:10px;padding:12px 14px;margin-bottom:16px;font-size:14px}
.pay-opt{display:flex;gap:14px;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:12px;background:var(--surface)}
.pay-opt .t h3{font-family:var(--body);font-size:16px;font-weight:700}
.pay-opt .t p{margin:2px 0 0;color:var(--muted);font-size:13px}
.result{text-align:center;padding:56px 20px;max-width:520px;margin:0 auto}
.result .icon{width:72px;height:72px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;color:#fff}
.result.ok .icon{background:var(--green)} .result.err .icon{background:#d92d20} .result.pend .icon{background:var(--amber)}

/* Footer */
footer.foot{background:var(--surface);border-top:1px solid var(--line);margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding:40px 0 26px}
.foot h4{font-family:var(--body);font-weight:700;font-size:14px;margin:0 0 12px}
.foot a,.foot p{display:block;color:var(--muted);font-size:13.5px;margin-bottom:8px}
.foot .legal{border-top:1px solid var(--line);padding:16px 0 28px;font-size:12px;color:var(--faint)}
@media(max-width:720px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:440px){.foot-grid{grid-template-columns:1fr}}

/* WhatsApp float */
.wafloat{position:fixed;right:18px;bottom:18px;z-index:40;width:56px;height:56px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg)}
.wafloat svg{width:28px;height:28px;fill:#fff}