/* ===========================================================
   ECISHOP — estilos del home (Fase 1)
   Paleta: azul industrial + acento ámbar (eléctrico)
   =========================================================== */
:root{
  --azul:#0b2a4a;        /* azul profundo corporativo */
  --azul2:#11447a;       /* azul medio */
  --azul-claro:#1b6ec2;  /* azul de enlaces/acciones */
  --ambar:#f5a623;       /* acento eléctrico */
  --ambar-d:#d98a00;
  --gris:#f4f6f9;
  --gris2:#e6eaef;
  --texto:#1d2733;
  --muted:#6b7785;
  --blanco:#fff;
  --radio:10px;
  --sombra:0 4px 18px rgba(11,42,74,.08);
  --max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--texto);background:var(--blanco);line-height:1.5}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.contenedor{max-width:var(--max);margin:0 auto;padding:0 18px}
.btn{display:inline-block;border:0;border-radius:8px;padding:10px 18px;font-weight:600;cursor:pointer;font-size:.95rem;transition:.18s}
.btn-ambar{background:var(--ambar);color:#3a2a00}
.btn-ambar:hover{background:var(--ambar-d);color:#fff}
.btn-azul{background:var(--azul-claro);color:#fff}
.btn-azul:hover{background:var(--azul2)}
.btn-line{background:transparent;border:1.5px solid #fff;color:#fff}
.btn-line:hover{background:#fff;color:var(--azul)}

/* ---------- TOP BAR ---------- */
.topbar{background:var(--azul);color:#cfe0f2;font-size:.83rem}
.topbar .contenedor{display:flex;justify-content:space-between;align-items:center;height:38px;flex-wrap:wrap}
.topbar a{color:#cfe0f2}
.topbar .tb-info span{margin-right:18px}
.topbar .tb-info i{color:var(--ambar)}
.topbar .tb-links a{margin-left:16px}
.topbar .tb-links a:hover{color:#fff}

/* ---------- HEADER ---------- */
.cabecera{background:#fff;border-bottom:1px solid var(--gris2);position:sticky;top:0;z-index:40}
.cab-row{display:flex;align-items:center;gap:22px;height:84px}
.logo{display:flex;align-items:center;gap:12px}
.logo img{height:54px;width:auto}
.logo .marca{font-weight:800;color:var(--azul);font-size:1.35rem;letter-spacing:.5px}
.logo .marca small{display:block;font-size:.62rem;font-weight:600;color:var(--muted);letter-spacing:1px}
.buscador{flex:1;display:flex;max-width:560px}
.buscador input{flex:1;border:1.5px solid var(--gris2);border-right:0;border-radius:8px 0 0 8px;padding:11px 14px;font-size:.95rem;outline:none}
.buscador input:focus{border-color:var(--azul-claro)}
.buscador button{border-radius:0 8px 8px 0;background:var(--azul);color:#fff;border:0;padding:0 18px;cursor:pointer}
.cab-acc{display:flex;align-items:center;gap:18px;margin-left:auto}
.cab-acc a{display:flex;align-items:center;gap:7px;font-size:.9rem;font-weight:600;color:var(--azul)}
.cab-acc .ico{font-size:1.3rem}
.cab-acc .carrito{position:relative}
.cab-acc .carrito .num{position:absolute;top:-8px;right:-10px;background:var(--ambar);color:#3a2a00;font-size:.7rem;font-weight:800;border-radius:50%;width:18px;height:18px;display:grid;place-items:center}

/* ---------- NAV ---------- */
.nav{background:var(--azul2)}
.nav .contenedor{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav a{color:#eaf1fa;font-weight:600;font-size:.92rem;padding:13px 16px;display:block}
.nav a:hover,.nav a.act{background:var(--azul-claro)}
.nav .destacar{color:var(--ambar)}

/* ---------- HERO / SLIDER ---------- */
.slider{position:relative;overflow:hidden;background:var(--azul)}
.slides{display:flex;transition:transform .55s ease}
.slide{min-width:100%;position:relative}
.slide img{width:100%;height:420px;object-fit:cover;opacity:.55}
.slide .cap{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;max-width:var(--max);margin:0 auto;padding:0 60px}
.slide .cap h2{color:#fff;font-size:2.4rem;max-width:560px;line-height:1.15;text-shadow:0 2px 12px rgba(0,0,0,.4)}
.slide .cap p{color:#dbe7f5;margin:14px 0 22px;font-size:1.1rem;max-width:480px}
.slide .cap .badge{background:var(--ambar);color:#3a2a00;font-weight:800;font-size:.8rem;padding:6px 12px;border-radius:6px;width:max-content;margin-bottom:14px;letter-spacing:.5px}
.sl-dots{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);display:flex;gap:9px}
.sl-dots button{width:11px;height:11px;border-radius:50%;border:0;background:rgba(255,255,255,.5);cursor:pointer}
.sl-dots button.on{background:var(--ambar)}
.sl-arrow{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.15);color:#fff;border:0;width:46px;height:46px;font-size:1.5rem;cursor:pointer;border-radius:50%}
.sl-arrow:hover{background:var(--ambar);color:#3a2a00}
.sl-arrow.prev{left:18px}.sl-arrow.next{right:18px}

/* ---------- TIRA DE VENTAJAS ---------- */
.ventajas{background:var(--gris);border-bottom:1px solid var(--gris2)}
.ventajas .contenedor{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:22px 18px}
.ventaja{display:flex;align-items:center;gap:12px}
.ventaja .vi{font-size:1.8rem}
.ventaja b{display:block;color:var(--azul);font-size:.95rem}
.ventaja span{font-size:.82rem;color:var(--muted)}

/* ---------- SECCIONES ---------- */
.seccion{padding:48px 0}
.seccion.alt{background:var(--gris)}
.sec-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.sec-head h3{font-size:1.6rem;color:var(--azul);position:relative;padding-left:14px}
.sec-head h3::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:5px;background:var(--ambar);border-radius:3px}
.sec-head a{color:var(--azul-claro);font-weight:600;font-size:.9rem}

/* ---------- GRID PRODUCTOS ---------- */
.grid-prod{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--gris2);border-radius:var(--radio);overflow:hidden;transition:.18s;display:flex;flex-direction:column}
.card:hover{box-shadow:var(--sombra);transform:translateY(-3px)}
.card .ph{height:185px;background:linear-gradient(135deg,#eef2f7,#dde6f0);display:grid;place-items:center;position:relative}
.card .ph .ico{font-size:3rem;opacity:.35}
.card .tag{position:absolute;top:10px;left:10px;background:var(--ambar);color:#3a2a00;font-size:.68rem;font-weight:800;padding:3px 9px;border-radius:5px}
.card .cuerpo{padding:14px;display:flex;flex-direction:column;flex:1}
.card .marca-lbl{font-size:.72rem;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.5px}
.card h4{font-size:.97rem;margin:5px 0 4px;color:var(--texto);line-height:1.3}
.card .sku{font-size:.74rem;color:var(--muted);margin-bottom:10px}
.card .precio{margin-top:auto;font-size:1.25rem;font-weight:800;color:var(--azul)}
.card .precio small{font-size:.7rem;color:var(--muted);font-weight:600;display:block}
.card .precio .antes{font-size:.85rem;color:var(--muted);font-weight:600;text-decoration:line-through;margin-right:6px}
.card .add{margin-top:10px;width:100%;text-align:center;padding:7px 12px;font-size:.85rem;border-radius:6px}

/* ---------- MARCAS ---------- */
.marcas-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.marca-box{background:#fff;border:1px solid var(--gris2);border-radius:var(--radio);height:90px;display:grid;place-items:center;font-weight:800;color:var(--azul2);font-size:1.05rem;transition:.18s;padding:14px}
.marca-box img{max-height:54px;max-width:88%;width:auto;object-fit:contain;filter:grayscale(15%);transition:.18s}
.marca-box:hover{border-color:var(--ambar);color:var(--azul);box-shadow:var(--sombra)}
.marca-box:hover img{filter:grayscale(0)}

/* ---------- CATEGORIAS ---------- */
.cats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cat-card{position:relative;border-radius:var(--radio);overflow:hidden;height:160px;background:var(--azul2) center/cover no-repeat;display:flex;align-items:flex-end;padding:18px;transition:.18s}
.cat-card::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,42,74,.15) 0%,rgba(11,42,74,.85) 100%)}
.cat-card span{position:relative;z-index:1;color:#fff;font-weight:700;font-size:1.18rem;text-shadow:0 1px 8px rgba(0,0,0,.5)}
.cat-card::after{content:"›";position:absolute;top:12px;right:18px;font-size:1.7rem;color:var(--ambar);z-index:1;text-shadow:0 1px 6px rgba(0,0,0,.4)}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--sombra)}
.cat-card:hover::before{background:linear-gradient(180deg,rgba(11,42,74,.1) 0%,rgba(11,42,74,.75) 100%)}

/* ---------- CTA REGISTRO ---------- */
.cta{background:linear-gradient(100deg,var(--azul),var(--azul2));color:#fff;border-radius:14px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta h3{font-size:1.7rem;margin-bottom:6px}
.cta p{color:#cfe0f2;max-width:560px}

/* ---------- FOOTER ---------- */
.pie{background:var(--azul);color:#bcd0e6;margin-top:10px;font-size:.9rem}
.pie .contenedor{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;padding:46px 18px}
.pie h5{color:#fff;font-size:1rem;margin-bottom:14px}
.pie ul{list-style:none}
.pie ul li{margin-bottom:9px}
.pie a:hover{color:var(--ambar)}
.pie .logo-pie img{height:48px;margin-bottom:12px;filter:brightness(0) invert(1)}
.pie .ctc li{display:flex;gap:9px;align-items:flex-start}
.pie .ctc i{color:var(--ambar)}
.pie-bottom{background:#071d33;color:#7e98b3;font-size:.8rem}
.pie-bottom .contenedor{display:flex;justify-content:space-between;align-items:center;height:50px;flex-wrap:wrap}

/* ---------- DETALLE DE PRODUCTO ---------- */
.det-wrap{padding:26px 18px 50px}
.bc{font-size:.85rem;color:var(--muted);margin-bottom:20px}
.bc a{color:var(--azul-claro)}
.det-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:38px;align-items:start}
.det-img{background:#fff;border:1px solid var(--gris2);border-radius:var(--radio);padding:24px;display:grid;place-items:center;min-height:380px}
.det-img img{max-height:420px;width:auto;object-fit:contain}
.det-noimg{font-size:5rem;color:var(--gris2)}
.det-info h1{font-size:1.7rem;color:var(--texto);margin:6px 0 12px;line-height:1.25}
.det-marca{display:inline-block;background:var(--gris);color:var(--azul2);font-weight:800;font-size:.72rem;text-transform:uppercase;letter-spacing:.6px;padding:4px 10px;border-radius:5px}
.det-sku{font-size:.9rem;color:var(--muted);margin-bottom:14px}
.det-sku strong{color:var(--texto)}
.det-desc{color:#48535f;margin-bottom:18px;line-height:1.6}
.det-precio-box{background:var(--gris);border-radius:10px;padding:18px 20px;margin-bottom:20px}
.det-antes{color:var(--muted);text-decoration:line-through;font-weight:600;margin-right:8px}
.det-off{background:#e23b3b;color:#fff;font-size:.78rem;font-weight:800;padding:2px 8px;border-radius:5px}
.det-precio{font-size:2.1rem;font-weight:800;color:var(--azul);margin-top:6px}
.det-precio span{font-size:1rem;color:var(--muted);font-weight:700}
.det-iva{font-size:.8rem;color:var(--muted);margin-top:2px}
.det-cotiza{font-size:1.15rem;font-weight:700;color:var(--azul2)}
.det-buy{display:flex;gap:14px;align-items:stretch;margin-bottom:8px;flex-wrap:wrap}
.qty{display:flex;border:1.5px solid var(--gris2);border-radius:8px;overflow:hidden}
.qty button{width:42px;border:0;background:var(--gris);font-size:1.3rem;cursor:pointer;color:var(--azul)}
.qty button:hover{background:var(--gris2)}
.qty input{width:64px;text-align:center;border:0;border-left:1.5px solid var(--gris2);border-right:1.5px solid var(--gris2);font-size:1.05rem;font-weight:700;outline:none}
#btnAdd{font-size:1rem;padding:12px 26px;flex:1;min-width:200px}
.add-msg{min-height:22px;font-size:.9rem;margin:6px 0 12px}
.add-msg.ok{color:#1c8a45;font-weight:600}
.add-msg.ok a{color:var(--azul-claro)}
.add-msg.err{color:#c0392b;font-weight:600}
.det-wa{display:inline-flex;align-items:center;gap:8px;color:#1c8a45;font-weight:700;border:1.5px solid #1c8a45;border-radius:8px;padding:10px 18px;margin-bottom:20px}
.det-wa:hover{background:#1c8a45;color:#fff}
.det-ventajas{list-style:none;border-top:1px solid var(--gris2);padding-top:16px}
.det-ventajas li{display:flex;gap:10px;align-items:center;color:#48535f;font-size:.9rem;margin-bottom:9px}
.det-ventajas i{color:var(--ambar)}
.det-rel{margin-top:46px}

/* ---------- CARRITO ---------- */
.cart-wrap{padding:26px 18px 56px}
.cart-empty{text-align:center;padding:60px 0;color:var(--muted)}
.cart-empty i{font-size:3.5rem;color:var(--gris2);margin-bottom:14px}
.cart-empty p{margin-bottom:18px;font-size:1.05rem}
.cart-grid{display:grid;grid-template-columns:1fr 330px;gap:26px;align-items:start}
.cart-items{display:flex;flex-direction:column;gap:12px}
.cart-row{display:grid;grid-template-columns:84px 1fr auto auto 38px;gap:16px;align-items:center;background:#fff;border:1px solid var(--gris2);border-radius:10px;padding:12px 14px}
.ci-img{width:84px;height:84px;background:var(--gris);border-radius:8px;display:grid;place-items:center;overflow:hidden}
.ci-img img{max-width:100%;max-height:100%;object-fit:contain}
.ci-img i{font-size:1.8rem;color:var(--gris2)}
.ci-name{font-weight:700;color:var(--texto);display:block;line-height:1.3}
.ci-name:hover{color:var(--azul-claro)}
.ci-sku{font-size:.78rem;color:var(--muted);margin:3px 0}
.ci-unit{font-size:.85rem;color:var(--azul2);font-weight:600}
.ci-unit small{color:var(--muted);font-weight:500}
.ci-sub{font-weight:800;color:var(--azul);font-size:1.05rem;min-width:90px;text-align:right}
.ci-del{border:0;background:none;color:#b9c2cc;cursor:pointer;font-size:1rem}
.ci-del:hover{color:#c0392b}
.cart-sum{background:#fff;border:1px solid var(--gris2);border-radius:12px;padding:20px;position:sticky;top:96px}
.cart-sum h4{color:var(--azul);margin-bottom:14px;font-size:1.15rem}
.sum-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;font-size:.95rem;border-bottom:1px dashed var(--gris2)}
.sum-row.muted{color:var(--muted);font-size:.85rem}
.sum-row.total{border-bottom:0;border-top:2px solid var(--gris2);margin-top:6px;padding-top:12px;font-size:1.15rem;color:var(--azul);font-weight:800}
.sum-cta{display:block;text-align:center;width:100%;margin-top:16px;padding:13px;font-size:1rem}
.sum-nota{font-size:.78rem;color:var(--muted);margin-top:12px;line-height:1.5}
.sum-nota i{color:var(--ambar)}

/* ---------- RESPONSIVE ---------- */
@media(max-width:980px){
  .det-grid{grid-template-columns:1fr;gap:22px}
  .cart-grid{grid-template-columns:1fr}
  .grid-prod,.ventajas .contenedor{grid-template-columns:repeat(2,1fr)}
  .marcas-strip{grid-template-columns:repeat(3,1fr)}
  .cats-grid{grid-template-columns:repeat(2,1fr)}
  .pie .contenedor{grid-template-columns:repeat(2,1fr)}
  .buscador{display:none}
  .slide img{height:340px}
  .slide .cap h2{font-size:1.7rem}
}
@media(max-width:560px){
  .grid-prod,.marcas-strip,.cats-grid,.ventajas .contenedor,.pie .contenedor{grid-template-columns:1fr}
  .cab-acc a span{display:none}
  .topbar .tb-info span:not(:first-child){display:none}
}