/* ===========================================================
   LIVINGSTONES · Hoja de estilos
   Paleta: negro carbón + naranja racing + amarillo
   =========================================================== */
:root{
  --orange:#FF6A00;
  --orange-d:#E55400;
  --yellow:#FFC200;
  --ink:#0E0E10;
  --ink-2:#17171b;
  --panel:#1d1d22;
  --line:#2c2c33;
  --text:#e9e9ee;
  --muted:#a3a3ad;
  --white:#ffffff;
  --green:#25D366;
  --radius:14px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --maxw:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Segoe UI",Roboto,system-ui,-apple-system,Arial,sans-serif;
  background:var(--ink);
  color:var(--text);
  line-height:1.55;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:72px 0}
h1,h2,h3{line-height:1.15;margin:0 0 .4em}
h2.section-title{font-size:clamp(26px,4vw,40px);font-weight:800;letter-spacing:-.5px}
h2.section-title span{color:var(--orange)}
.section-sub{color:var(--muted);max-width:640px;margin:0 0 36px;font-size:17px}
.center{text-align:center;margin-left:auto;margin-right:auto}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  border:none;border-radius:999px;padding:13px 24px;font-weight:700;font-size:15px;
  transition:.18s transform,.18s box-shadow,.18s background;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-d);box-shadow:0 8px 22px rgba(255,106,0,.35)}
.btn-ghost{background:transparent;color:var(--text);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange)}
.btn-wa{background:var(--green);color:#fff}
.btn-wa:hover{filter:brightness(1.07);box-shadow:0 8px 22px rgba(37,211,102,.35)}
.btn-block{width:100%;justify-content:center}

/* ---------- Header ---------- */
header.site{
  position:sticky;top:0;z-index:50;
  background:rgba(14,14,16,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:24px;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-style:italic;
  font-size:24px;letter-spacing:1px;color:#fff;text-transform:uppercase}
.brand b{color:var(--orange)}
.brand .flag{width:22px;height:22px;border-radius:4px;
  background:
    repeating-conic-gradient(#fff 0 25%, #111 0 50%) 0 0/11px 11px;}
.nav-links{display:flex;gap:22px;margin-left:14px}
.nav-links a{color:var(--muted);font-weight:600;font-size:15px;transition:.15s}
.nav-links a:hover{color:var(--white)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.lang-toggle{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lang-toggle button{background:transparent;color:var(--muted);border:none;cursor:pointer;
  padding:7px 12px;font-weight:700;font-size:13px}
.lang-toggle button.active{background:var(--orange);color:#fff}
.cart-btn{position:relative;background:var(--ink-2);border:1px solid var(--line);
  color:#fff;border-radius:999px;padding:9px 16px;cursor:pointer;font-weight:700;display:flex;align-items:center;gap:8px}
.cart-btn:hover{border-color:var(--orange)}
.cart-count{position:absolute;top:-7px;right:-7px;background:var(--orange);color:#fff;
  min-width:20px;height:20px;border-radius:999px;font-size:12px;display:flex;align-items:center;
  justify-content:center;padding:0 5px;font-weight:800}
.hamburger{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;
  background:
    radial-gradient(900px 500px at 75% -10%, rgba(255,106,0,.22), transparent 60%),
    linear-gradient(180deg,#0c0c0e,#141417);
  border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  padding:70px 0 80px}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--yellow);
  font-weight:800;letter-spacing:2px;text-transform:uppercase;font-size:13px;margin-bottom:14px}
.hero h1{font-size:clamp(34px,5.2vw,58px);font-weight:900;letter-spacing:-1px}
.hero h1 span{color:var(--orange)}
.hero p.lead{color:var(--muted);font-size:19px;max-width:520px;margin:18px 0 28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-media{position:relative}
.hero-media img{width:100%;border-radius:18px;box-shadow:var(--shadow);
  border:1px solid var(--line)}
.hero-stats{display:flex;gap:28px;margin-top:34px;flex-wrap:wrap}
.hero-stats .stat b{display:block;font-size:28px;color:#fff;font-weight:900}
.hero-stats .stat span{color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:1px}

/* ---------- Trust bar ---------- */
.trust{background:var(--ink-2);border-bottom:1px solid var(--line)}
.trust .container{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:26px 20px}
.trust .item{display:flex;align-items:center;gap:12px}
.trust .ic{width:42px;height:42px;flex:0 0 42px;border-radius:10px;background:rgba(255,106,0,.12);
  color:var(--orange);display:flex;align-items:center;justify-content:center;font-size:20px}
.trust .item b{display:block;font-size:15px;color:#fff}
.trust .item span{font-size:13px;color:var(--muted)}

/* ---------- Filtros ---------- */
.catalog-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin:8px 0 30px}
.chip{background:var(--ink-2);border:1px solid var(--line);color:var(--muted);
  padding:8px 16px;border-radius:999px;cursor:pointer;font-weight:700;font-size:14px;transition:.15s}
.chip:hover{color:#fff;border-color:var(--orange)}
.chip.active{background:var(--orange);color:#fff;border-color:var(--orange)}
.search{display:flex;align-items:center;gap:8px;background:var(--ink-2);border:1px solid var(--line);
  border-radius:999px;padding:8px 16px;min-width:230px}
.search input{background:none;border:none;color:#fff;outline:none;width:100%;font-size:14px}
.search input::placeholder{color:var(--muted)}

/* ---------- Grid de productos ---------- */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:.18s transform,.18s border-color}
.card:hover{transform:translateY(-4px);border-color:var(--orange)}
.card .ph{position:relative;aspect-ratio:4/3;background:#0c0c0e;overflow:hidden}
.card .ph img{width:100%;height:100%;object-fit:cover}
.card .badge{position:absolute;top:10px;left:10px;background:var(--orange);color:#fff;
  font-size:11px;font-weight:800;letter-spacing:.5px;padding:4px 10px;border-radius:999px;text-transform:uppercase}
.card .body{padding:16px 16px 18px;display:flex;flex-direction:column;flex:1}
.card h3{font-size:16px;font-weight:700;margin:0 0 6px;min-height:42px}
.card .sku{color:var(--muted);font-size:12px;letter-spacing:.5px;margin-bottom:10px}
.card .mini{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.card .mini span{font-size:11px;background:var(--ink-2);border:1px solid var(--line);
  color:var(--muted);padding:3px 8px;border-radius:6px}
.card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px}
.card .price{font-size:22px;font-weight:900;color:#fff}
.card .price small{font-size:12px;color:var(--muted);font-weight:600}
.card .add{background:var(--orange);color:#fff;border:none;border-radius:10px;width:44px;height:44px;
  font-size:22px;cursor:pointer;flex:0 0 44px;transition:.15s}
.card .add:hover{background:var(--orange-d)}
.no-results{grid-column:1/-1;text-align:center;color:var(--muted);padding:40px}

/* ---------- Secciones de info ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split img{border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow)}
.feature-list{list-style:none;padding:0;margin:18px 0 0}
.feature-list li{display:flex;gap:12px;margin-bottom:14px;color:var(--muted)}
.feature-list li::before{content:"✓";color:var(--orange);font-weight:900;flex:0 0 auto}
.feature-list li b{color:#fff;display:block}
.alt{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- Pasos medición ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:14px}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.step .num{width:40px;height:40px;border-radius:10px;background:var(--orange);color:#fff;
  font-weight:900;display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:14px}
.step h3{font-size:17px}
.step p{color:var(--muted);margin:0;font-size:15px}

/* ---------- CTA banda ---------- */
.cta-band{background:linear-gradient(100deg,var(--orange),var(--orange-d));border-radius:20px;
  padding:46px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin:0;font-size:30px;font-weight:900}
.cta-band p{color:rgba(255,255,255,.9);margin:6px 0 0}
.cta-band .btn-wa{background:#fff;color:var(--green)}

/* ---------- Footer ---------- */
footer.site{background:#0a0a0c;border-top:1px solid var(--line);padding:56px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:40px}
footer .brand{margin-bottom:14px}
footer p{color:var(--muted);font-size:15px}
footer h4{color:#fff;font-size:15px;text-transform:uppercase;letter-spacing:1px;margin-bottom:14px}
footer ul{list-style:none;padding:0;margin:0}
footer ul li{margin-bottom:10px}
footer ul a{color:var(--muted)}footer ul a:hover{color:var(--orange)}
.foot-contact a{display:flex;align-items:center;gap:10px;color:var(--muted);margin-bottom:12px}
.foot-contact a:hover{color:#fff}
.foot-bottom{border-top:1px solid var(--line);margin-top:36px;padding-top:22px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:13px}

/* ---------- Carrito (drawer) ---------- */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);opacity:0;visibility:hidden;
  transition:.25s;z-index:80}
.overlay.open{opacity:1;visibility:visible}
.cart{position:fixed;top:0;right:0;height:100%;width:420px;max-width:92vw;background:var(--ink-2);
  border-left:1px solid var(--line);z-index:90;transform:translateX(100%);transition:.28s ease;
  display:flex;flex-direction:column}
.cart.open{transform:translateX(0)}
.cart-h{display:flex;align-items:center;justify-content:space-between;padding:20px;border-bottom:1px solid var(--line)}
.cart-h h3{margin:0;font-size:18px}
.cart-h .x{background:none;border:none;color:var(--muted);font-size:26px;cursor:pointer;line-height:1}
.cart-h .x:hover{color:#fff}
.cart-items{flex:1;overflow-y:auto;padding:10px 20px}
.cart-empty{text-align:center;color:var(--muted);padding:60px 20px}
.ci{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.ci img{width:62px;height:62px;border-radius:8px;object-fit:cover;flex:0 0 62px}
.ci .info{flex:1;min-width:0}
.ci .info h4{margin:0 0 2px;font-size:14px;font-weight:700}
.ci .info .s{color:var(--muted);font-size:12px}
.ci .price{color:var(--orange);font-weight:800;font-size:14px;margin-top:4px}
.qty{display:flex;align-items:center;gap:8px;margin-top:8px}
.qty button{width:26px;height:26px;border-radius:6px;border:1px solid var(--line);background:var(--panel);
  color:#fff;cursor:pointer;font-size:16px;line-height:1}
.qty button:hover{border-color:var(--orange)}
.qty span{min-width:24px;text-align:center;font-weight:700}
.ci .rm{background:none;border:none;color:var(--muted);cursor:pointer;font-size:12px;margin-top:6px;text-decoration:underline}
.ci .rm:hover{color:#ff5252}
.cart-foot{padding:20px;border-top:1px solid var(--line)}
.cart-total{display:flex;justify-content:space-between;font-size:20px;font-weight:900;margin-bottom:6px}
.cart-note{color:var(--muted);font-size:12px;margin:0 0 16px}

/* ---------- Toast ---------- */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--orange);color:#fff;padding:13px 22px;border-radius:999px;font-weight:700;
  box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.25s;z-index:120}
.toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}

/* WhatsApp flotante */
.wa-float{position:fixed;bottom:22px;right:22px;width:58px;height:58px;border-radius:50%;
  background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:30px;box-shadow:0 8px 24px rgba(37,211,102,.45);z-index:70;transition:.15s}
.wa-float:hover{transform:scale(1.08)}

/* ---------- Responsive ---------- */
@media(max-width:1000px){
  .product-grid{grid-template-columns:repeat(3,1fr)}
  .trust .container{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:820px){
  .nav-links{display:none}
  .hamburger{display:block}
  .nav-links.open{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;
    background:var(--ink-2);border-bottom:1px solid var(--line);padding:16px 20px;gap:14px}
  .hero-grid{grid-template-columns:1fr;padding:48px 0 56px}
  .hero-media{order:-1}
  .split{grid-template-columns:1fr;gap:28px}
  .steps{grid-template-columns:1fr}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:32px;text-align:center;justify-content:center}
}
@media(max-width:520px){
  .product-grid{grid-template-columns:1fr 1fr;gap:14px}
  .card h3{min-height:auto}
  .section{padding:52px 0}
}