:root{
  --navy:#0b2a5b; --navy-2:#123a7a; --azul:#1565d8; --azul-claro:#e8f0fc;
  --rojo:#d7261e; --naranjo:#f36f21; --verde:#22a94a; --verde-osc:#178a3a;
  --texto:#1a2233; --gris:#5b6474; --linea:#dfe5ef; --fondo:#f4f7fb; --blanco:#fff;
  --r:10px; --sombra:0 8px 28px rgba(11,42,91,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI",system-ui,Roboto,Arial,sans-serif;color:var(--texto);background:var(--blanco);line-height:1.55}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 24px;border-radius:8px;font-weight:800;border:0;cursor:pointer;font:inherit;font-weight:800;letter-spacing:.02em;text-transform:uppercase;font-size:.92rem;transition:.15s}
.btn-naranjo{background:var(--naranjo);color:#fff}
.btn-naranjo:hover{filter:brightness(.92)}
.btn-verde{background:var(--verde);color:#fff}
.btn-verde:hover{background:var(--verde-osc)}
.btn-azul{background:var(--azul);color:#fff}
.btn-azul:hover{background:var(--navy-2)}
.btn-sm{padding:9px 16px;font-size:.8rem;border-radius:6px}
.btn-blanco{background:#fff;color:var(--navy)}
.link{color:var(--azul);font-weight:700}
.link:hover{text-decoration:underline}

/* barra superior */
.topbar{background:var(--navy);color:#fff;font-size:.86rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:36px;gap:16px}
.topbar ul{display:flex;gap:34px;list-style:none}
.topbar li{display:flex;align-items:center;gap:8px}
.topbar .ico{width:18px;height:18px;fill:#fff}
.topbar .cot{font-weight:800;display:flex;align-items:center;gap:8px}

/* cabecera */
.header{background:#fff;border-bottom:1px solid var(--linea)}
.header .wrap{display:flex;align-items:center;gap:28px;height:78px}
.logo{display:flex;align-items:center;gap:8px;flex-shrink:0}
.logo svg{width:44px;height:44px}
.logo b{font-size:1.5rem;font-weight:900;letter-spacing:-.02em;line-height:1;color:var(--navy);font-style:italic}
.logo b em{color:var(--azul);font-style:italic}
.logo small{display:block;font-size:.6rem;letter-spacing:.12em;color:var(--gris);font-weight:700;margin-top:3px}
.buscar{flex:1;display:flex;max-width:520px}
.buscar input{flex:1;border:1px solid var(--linea);border-right:0;border-radius:8px 0 0 8px;padding:11px 14px;font:inherit;background:var(--fondo)}
.buscar button{border:0;background:var(--azul);color:#fff;font-weight:800;padding:0 22px;border-radius:0 8px 8px 0;cursor:pointer;font:inherit;font-weight:800}
.hacciones{margin-left:auto;display:flex;gap:22px;align-items:center}
.hacciones a{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--navy);position:relative}
.hacciones svg{width:24px;height:24px;stroke:var(--navy);fill:none;stroke-width:1.8}
.badge{position:absolute;top:-8px;left:14px;background:var(--azul);color:#fff;font-size:.68rem;font-weight:800;min-width:18px;height:18px;border-radius:9px;display:grid;place-items:center;padding:0 4px}

/* menú */
.menu{background:#fff;border-bottom:1px solid var(--linea);box-shadow:0 2px 8px rgba(0,0,0,.04)}
.menu ul{display:flex;justify-content:center;gap:44px;list-style:none;height:46px;align-items:center}
.menu a{font-weight:700;color:var(--navy);font-size:.98rem}
.menu a:hover{color:var(--azul)}

/* portada */
.hero{background:linear-gradient(90deg,#071c40 0%,rgba(7,28,64,.96) 30%,rgba(7,28,64,.55) 55%,rgba(7,28,64,0) 80%),url(../img/hero.jpg) right center/auto 100% no-repeat #071c40;color:#fff;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;align-items:center;min-height:520px;gap:30px;padding-top:36px;padding-bottom:36px}
.hero h1{font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.05;font-weight:900;letter-spacing:-.02em;margin-bottom:14px}
.hero h1 span{color:#3d8dff}
.hero p{font-size:1.15rem;max-width:520px;color:#dce6f7;margin-bottom:24px}
.hero .ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero .mini{display:flex;gap:26px;flex-wrap:wrap;font-size:.8rem;color:#cfdaf0}
.hero .mini span{display:flex;align-items:center;gap:7px}
.hero .mini svg{width:20px;height:20px;fill:#3d8dff}
.hero-art{min-height:300px}
.hero-art .ext{width:230px;filter:drop-shadow(0 18px 30px rgba(0,0,0,.45))}
.hero-art .lema{position:absolute;right:0;top:50%;transform:translateY(-50%);text-align:left;font-size:.95rem;line-height:1.3;letter-spacing:.06em;text-transform:uppercase;color:#dce6f7}
.hero-art .lema b{display:block;font-size:1.25rem;color:#fff}
.hero-art .lema i{display:block;width:44px;height:3px;background:#3d8dff;margin:10px 0}

section{padding:46px 0}
.sec-h{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:18px}
h2{font-size:1.65rem;font-weight:900;color:var(--navy);letter-spacing:-.01em}
.sub{color:var(--gris);max-width:640px}

/* categorías */
.cats{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.cat{background:var(--fondo);border:1px solid var(--linea);border-radius:var(--r);padding:18px 12px 16px;text-align:center;transition:.15s}
.cat:hover{transform:translateY(-3px);box-shadow:var(--sombra);border-color:#c7d6f0}
.cat img{width:110px;height:110px;object-fit:contain;margin:0 auto 10px;mix-blend-mode:multiply}
.cat b{display:block;font-size:1.05rem;color:var(--navy)}
.cat small{color:var(--gris);font-size:.86rem}

/* productos */
.prods{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.prod{background:#fff;border:1px solid var(--linea);border-radius:var(--r);padding:16px 12px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px}
.prod img{width:140px;height:140px;object-fit:contain}
.prod h3{font-size:1rem;color:var(--navy);line-height:1.25;min-height:2.5em;display:flex;align-items:center}
.prod .uso{font-size:.8rem;color:var(--gris);margin-top:-6px}
.prod .btn{width:100%;justify-content:center}
.prod .btn.ok{background:var(--verde)}

/* bloques dobles */
.dobles{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.bloque{border-radius:var(--r);padding:30px;position:relative;overflow:hidden;min-height:250px}
.bloque.oscuro{background:linear-gradient(90deg,rgba(11,42,91,.97) 0%,rgba(11,42,91,.85) 55%,rgba(11,42,91,.25) 100%),url(../img/recarga.jpg) center right/cover no-repeat;color:#fff}
.bloque.claro{background:linear-gradient(90deg,rgba(232,240,252,.98) 0%,rgba(232,240,252,.9) 55%,rgba(232,240,252,.2) 100%),url(../img/empresas.jpg) center right/cover no-repeat;color:var(--navy)}
.bloque h3{font-size:1.5rem;font-weight:900;margin-bottom:6px}
.bloque p{margin-bottom:14px;opacity:.9}
.bloque ul{list-style:none;display:grid;gap:8px;margin-bottom:20px;font-size:.95rem}
.bloque li{display:flex;gap:9px;align-items:center}
.bloque li::before{content:"";width:18px;height:18px;border-radius:50%;background:var(--azul);flex-shrink:0;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z' fill='%23000'/%3E%3C/svg%3E") center/70% no-repeat #fff;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z' fill='%23000'/%3E%3C/svg%3E") center/70% no-repeat}
.bloque.oscuro li::before{background:#fff}
.bloque.claro li::before{background:var(--azul)}
.bloque .arte{position:absolute;right:-10px;bottom:-20px;width:190px;opacity:.95}
.bloque .cuerpo{position:relative;max-width:62%}

/* normativa */
.norma{background:var(--fondo)}
.normas{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.n-card{background:#fff;border:1px solid var(--linea);border-radius:var(--r);padding:22px}
.n-card b{color:var(--azul);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase}
.n-card h3{margin:6px 0 8px;color:var(--navy);font-size:1.12rem}
.n-card p{color:var(--gris);font-size:.94rem}

/* cotizador / contacto */
.cotizar .wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:34px;align-items:start}
.pasos{list-style:none;display:grid;gap:14px;margin:18px 0 22px}
.pasos li{display:flex;gap:14px;align-items:flex-start}
.pasos .n{width:34px;height:34px;border-radius:50%;background:var(--azul);color:#fff;font-weight:900;display:grid;place-items:center;flex-shrink:0}
.pasos b{display:block;color:var(--navy)}
.pasos span{color:var(--gris);font-size:.94rem}
form.cot{background:#fff;border:1px solid var(--linea);border-radius:var(--r);padding:24px;display:grid;gap:12px;box-shadow:var(--sombra)}
form.cot label{display:grid;gap:5px;font-weight:700;font-size:.86rem;color:var(--navy)}
form.cot input,form.cot select,form.cot textarea{border:1px solid var(--linea);border-radius:7px;padding:11px;font:inherit;background:var(--fondo)}
form.cot textarea{min-height:90px;resize:vertical}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.resumen{background:var(--azul-claro);border-radius:7px;padding:12px 14px;font-size:.9rem;color:var(--navy)}
.resumen ul{list-style:none;display:grid;gap:4px;margin-top:6px}
.aviso{display:none;padding:12px;border-radius:7px;font-weight:700}
.aviso.ok{display:block;background:#e6f7ec;color:#166534}
.aviso.err{display:block;background:#fdecec;color:#991b1b}

/* franja */
.franja{border-top:1px solid var(--linea);border-bottom:1px solid var(--linea);padding:26px 0}
.franja .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.franja div{display:flex;gap:12px;align-items:center;font-size:.92rem;color:var(--gris)}
.franja b{display:block;color:var(--navy);font-size:1rem}
.franja svg{width:36px;height:36px;fill:var(--azul);flex-shrink:0}

/* pie */
footer{background:var(--navy);color:#c9d6ee;font-size:.9rem}
footer .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr 1fr;gap:26px;padding:44px 0 30px}
footer h4{color:#fff;margin-bottom:10px;font-size:.98rem}
footer ul{list-style:none;display:grid;gap:6px}
footer a:hover{color:#fff}
footer .logo b{color:#fff}
footer .logo small{color:#9fb3d9}
footer .fin{border-top:1px solid rgba(255,255,255,.12);padding:14px 0;font-size:.8rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.redes{display:flex;gap:12px}
.redes a{width:34px;height:34px;border-radius:8px;background:rgba(255,255,255,.1);display:grid;place-items:center;font-weight:900;color:#fff;font-size:.8rem}

/* panel de cotización flotante */
.cot-flotante{position:fixed;right:20px;bottom:20px;z-index:40;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.cot-flotante .wa{width:56px;height:56px;border-radius:50%;background:var(--verde);display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.cot-flotante .wa svg{width:30px;height:30px;fill:#fff}
.cot-btn{background:var(--naranjo);color:#fff;border:0;border-radius:999px;padding:12px 18px;font:inherit;font-weight:800;cursor:pointer;box-shadow:0 8px 24px rgba(0,0,0,.25);display:flex;gap:8px;align-items:center}
.panel{position:fixed;right:0;top:0;height:100%;width:min(420px,100%);background:#fff;z-index:50;box-shadow:-10px 0 40px rgba(0,0,0,.25);transform:translateX(105%);transition:.25s;display:flex;flex-direction:column}
.panel.abierto{transform:none}
.panel header{background:var(--navy);color:#fff;padding:16px 20px;display:flex;justify-content:space-between;align-items:center}
.panel header b{font-size:1.1rem}
.panel header button{background:none;border:0;color:#fff;font-size:1.6rem;cursor:pointer;line-height:1}
.panel .items{flex:1;overflow:auto;padding:14px 20px;display:grid;gap:10px;align-content:start}
.item{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:center;border:1px solid var(--linea);border-radius:8px;padding:10px 12px}
.item b{font-size:.92rem;color:var(--navy)}
.item small{display:block;color:var(--gris)}
.qty{display:flex;align-items:center;border:1px solid var(--linea);border-radius:6px}
.qty button{width:28px;height:28px;border:0;background:var(--fondo);cursor:pointer;font-weight:900;font-size:1rem}
.qty span{min-width:30px;text-align:center;font-weight:700}
.item .x{background:none;border:0;color:var(--rojo);cursor:pointer;font-weight:900;font-size:1.1rem}
.panel .vacio{color:var(--gris);text-align:center;padding:30px 10px}
.panel footer{background:var(--fondo);padding:14px 20px;display:grid;gap:8px}
.panel footer .btn{justify-content:center}
.velo{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:45;display:none}
.velo.on{display:block}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:var(--navy);color:#fff;padding:10px 18px;border-radius:999px;font-weight:700;z-index:60;opacity:0;transition:.2s;pointer-events:none}
.toast.on{opacity:1}

/* catálogo */
.catalogo{display:grid;grid-template-columns:250px 1fr;gap:26px;align-items:start}
.filtros{background:var(--fondo);border:1px solid var(--linea);border-radius:var(--r);padding:18px;position:sticky;top:16px}
.filtros h3{font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;color:var(--azul);margin:8px 0 8px}
.filtros label{display:flex;gap:8px;align-items:center;font-size:.93rem;padding:4px 0;cursor:pointer}
.filtros .limpiar{margin-top:14px;width:100%}
.prods.cat4{grid-template-columns:repeat(4,1fr)}
.prod .cap{font-size:.78rem;background:var(--azul-claro);color:var(--navy);padding:2px 9px;border-radius:999px;font-weight:700}
.migas{font-size:.85rem;color:var(--gris);padding:14px 0 0}
.sin{padding:40px;text-align:center;color:var(--gris);grid-column:1/-1}

@media(max-width:1000px){
  .cats,.prods,.prods.cat4{grid-template-columns:repeat(3,1fr)}
  .hero .wrap{grid-template-columns:1fr}
  .hero-art{display:none}
  .hero{background-size:cover;background-position:70% center}
  .dobles,.cotizar .wrap,.normas{grid-template-columns:1fr}
  footer .cols{grid-template-columns:1fr 1fr}
  .catalogo{grid-template-columns:1fr}.filtros{position:static}
  .topbar ul li:nth-child(n+3){display:none}
}
@media(max-width:640px){
  .cats,.prods,.prods.cat4{grid-template-columns:repeat(2,1fr)}
  .header .wrap{flex-wrap:wrap;height:auto;padding:12px 20px;gap:12px}
  .buscar{order:3;max-width:none;width:100%}
  .menu ul{gap:16px;overflow:auto;justify-content:flex-start;padding:0 20px}
  .menu a{white-space:nowrap;font-size:.9rem}
  .topbar ul{display:none}
  .bloque .cuerpo{max-width:100%}.bloque .arte{display:none}
  .f2{grid-template-columns:1fr}
  footer .cols{grid-template-columns:1fr}
}