/* ==========================================================================
   Bombamex — hoja de estilo única
   Sistema visual definido en web-restructura/10-DIRECCION-VISUAL.md
   ========================================================================== */

:root{
  --marino:#0F2A52;
  --profundo:#1B3B6F;
  --cian:#00A8F0;
  --cian-osc:#0089C4;
  --acero:#7B93C4;
  /* Rojo contra incendio: tomado del logotipo Bombamex Contraincendio (#C2192C)
     y oscurecido para dar más peso institucional. */
  --rojo:#8E1020;
  --rojo-osc:#6E0B18;
  --rojo-claro:#FCF2F3;
  --ambar:#E8A317;
  --ambar-claro:#FEF9EE;
  --texto:#1A1A1A;
  --texto2:#5A6472;
  --fondo:#F7F8FA;
  --borde:#E1E5EB;
  --radio:10px;
  --ancho:1120px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
/* Regla global: ninguna imagen se deforma nunca. */
img{height:auto}
body{
  font-family:Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;line-height:1.65;color:var(--texto);background:#fff;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}

.wrap{max-width:var(--ancho);margin:0 auto;padding:0 24px}
.seccion{padding:64px 0}
.seccion.gris{background:var(--fondo)}

/* --- tipografía --- */
h1,h2,h3{letter-spacing:-.015em;line-height:1.15}
h1{font-size:clamp(32px,4.4vw,52px);font-weight:700;color:var(--marino)}
h2{font-size:clamp(26px,3vw,32px);font-weight:700;color:var(--marino);margin-bottom:10px}
h3{font-size:21px;font-weight:600;margin-bottom:6px}
h4{font-size:17px;font-weight:600;margin-bottom:4px}
p{margin-bottom:14px}
p:last-child{margin-bottom:0}
.entrada{font-size:19px;color:var(--texto2);max-width:640px}
.mut{color:var(--texto2);font-size:14px}
.etiqueta{font-size:12px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;
  color:var(--cian-osc);margin-bottom:14px;display:block}

.pill{display:inline-block;background:rgba(0,168,240,.10);border:1px solid rgba(0,168,240,.35);
  color:var(--cian-osc);font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  padding:6px 14px;border-radius:100px;margin-bottom:20px}
.pill.rojo{background:var(--rojo-claro);border-color:rgba(142,16,32,.3);color:var(--rojo)}

/* --- marca de la línea: logotipo de fabricante sobre la imagen del hero --- */
/* Logotipo del fabricante: discreto y alineado a la altura del titular.
   Regla: nunca debe verse más grande que el de Bombamex en la cabecera. */
/* --- marca del fabricante: dentro del hero, arriba de la etiqueta --- */
.marca-hero{display:flex;align-items:center;gap:13px;margin-bottom:18px}
/* !important para que ninguna regla de contenedor la estire al 100 % */
.marca-hero img{width:110px !important;height:auto !important;flex:0 0 auto;
  box-shadow:none !important;border-radius:0 !important}
.marca-hero .sep{width:1px;height:20px;background:var(--borde);flex:0 0 1px}
.marca-hero .rot{font-size:10.5px;font-weight:600;letter-spacing:.09em;
  text-transform:uppercase;color:var(--texto2);white-space:nowrap}
@media(max-width:680px){
  .marca-hero img{width:92px !important}
  .marca-hero .rot{font-size:9.5px}
}
@media(max-width:680px){
}

/* --- botones --- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:inherit;font-size:15px;
  font-weight:600;padding:13px 24px;border-radius:8px;border:1px solid transparent;
  cursor:pointer;text-decoration:none;transition:.15s;white-space:nowrap}
.btn-1{background:var(--cian);color:#fff}
.btn-1:hover{background:var(--cian-osc)}
.btn-2{background:#fff;color:var(--marino);border-color:var(--borde)}
.btn-2:hover{border-color:var(--acero);box-shadow:0 3px 12px rgba(15,42,82,.08)}
.btn-rojo{background:var(--rojo);color:#fff}
.btn-rojo:hover{background:var(--rojo-osc)}

/* botón de WhatsApp: neutro, con miniatura circular del logotipo */
.btn-wa{background:#fff;color:var(--marino);border-color:var(--borde);padding-left:12px}
.btn-wa:hover{border-color:var(--acero);box-shadow:0 3px 12px rgba(15,42,82,.09)}
.btn-wa::before{content:"";width:30px;height:30px;border-radius:50%;flex:0 0 30px;
  background:#fff url("../img/marca/whatsapp.png") center/86% no-repeat;
  box-shadow:0 1px 4px rgba(0,0,0,.16)}
.btn-wa.claro{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-wa.claro:hover{border-color:#fff;background:rgba(255,255,255,.08)}

/* --- encabezado --- */
.cab{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--borde)}
.cab .wrap{display:flex;align-items:center;gap:26px;height:74px}
.cab .logo img{height:34px;width:auto}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{padding:9px 13px;border-radius:7px;font-size:14.5px;font-weight:500;
  color:var(--texto2);text-decoration:none;transition:.15s}
.nav a:hover{color:var(--marino);background:var(--fondo)}
.nav a.on{color:var(--marino);font-weight:600}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--borde);
  border-radius:7px;padding:9px 13px;font-size:15px;cursor:pointer;font-family:inherit}

/* --- hero dividido --- */
.hero{padding:64px 0 56px;background:#fff}
.hero .wrap{display:grid;grid-template-columns:1.12fr .88fr;gap:50px;align-items:center}
.hero h1{margin-bottom:0}
.hero h1 em{font-style:normal;color:var(--cian)}
.hero .entrada{margin:18px 0 28px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.hero figure{margin:0}
/* height:auto es imprescindible: sin él, los atributos width/height del HTML
   fuerzan la altura y la imagen se deforma. */
.hero figure img{width:100%;height:auto;border-radius:14px;box-shadow:0 16px 44px rgba(15,42,82,.18)}
.hero figcaption{font-size:12.5px;color:var(--texto2);margin-top:10px;font-weight:500}

.cifras{display:flex;gap:32px;margin-top:32px;padding-top:26px;
  border-top:1px solid var(--borde);flex-wrap:wrap}
.cifras b{display:block;font-size:24px;font-weight:700;color:var(--marino);letter-spacing:-.02em}
.cifras span{font-size:12.5px;color:var(--texto2);line-height:1.4;display:block;max-width:160px}

/* --- retículas y tarjetas --- */
.rej{display:grid;gap:20px}
.rej-2{grid-template-columns:repeat(2,1fr)}
.rej-3{grid-template-columns:repeat(3,1fr)}
.rej-4{grid-template-columns:repeat(4,1fr)}
.rej-auto{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}

.tarjeta{background:#fff;border:1px solid var(--borde);border-radius:12px;
  padding:24px;transition:.18s;text-decoration:none;color:inherit;display:block}
a.tarjeta:hover{border-color:var(--acero);box-shadow:0 8px 26px rgba(15,42,82,.09);
  transform:translateY(-2px)}
.tarjeta h3{color:var(--marino)}
.tarjeta p{font-size:14.5px;color:var(--texto2);margin:0}
.tarjeta .flecha{color:var(--cian);font-weight:600;font-size:14px;margin-top:12px;display:block}

/* --- avisos --- */
.aviso{border-left:4px solid var(--ambar);background:var(--ambar-claro);
  padding:16px 20px;border-radius:0 8px 8px 0;font-size:15px}
.aviso.rojo{border-color:var(--rojo);background:var(--rojo-claro)}
.aviso.cian{border-color:var(--cian);background:#EFF9FE}
.aviso b{display:block;margin-bottom:3px}

/* --- destacado / cita --- */
.destacado{background:var(--fondo);border-radius:14px;padding:32px;
  border-left:4px solid var(--cian)}
.destacado p{font-size:18px;color:var(--marino);font-weight:500}

/* --- listas de servicio --- */
.lista-serv{list-style:none;display:grid;gap:16px}
.lista-serv li{padding-left:26px;position:relative;font-size:15.5px}
.lista-serv li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;
  border-radius:50%;background:var(--cian)}
.lista-serv b{display:block;color:var(--marino)}

/* --- formulario --- */
.form{display:grid;gap:16px;background:#fff;border:1px solid var(--borde);
  border-radius:12px;padding:26px}
.form label{display:grid;gap:7px;font-size:14px;font-weight:600;color:var(--marino)}
.form input,.form textarea{font-family:inherit;font-size:16px;font-weight:400;color:var(--texto);
  padding:12px 14px;border:1px solid var(--borde);border-radius:8px;background:#fff;
  transition:.15s;width:100%}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--cian);
  box-shadow:0 0 0 3px rgba(0,168,240,.14)}
.form textarea{resize:vertical;min-height:96px}
.form button{justify-self:start}

/* --- tabla --- */
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--borde);
  border-radius:var(--radio);overflow:hidden;font-size:14.5px}
th{background:var(--marino);color:#fff;text-align:left;padding:13px 16px;font-weight:600;font-size:13px}
td{padding:13px 16px;border-top:1px solid var(--borde)}
tbody tr:nth-child(even) td{background:#FAFBFC}

/* --- contra incendio: rojo como acento --- */
.fuego{background:#fff;border:1px solid var(--borde);border-top:5px solid var(--rojo);
  border-radius:14px;padding:34px}
.fuego h2{color:var(--rojo)}
.fuego .datos{display:flex;gap:30px;margin:22px 0;padding-top:18px;
  border-top:1px solid var(--borde);flex-wrap:wrap}
.fuego .datos b{display:block;font-size:22px;font-weight:700;color:var(--rojo)}
.fuego .datos span{font-size:12.5px;color:var(--texto2)}

/* --- barra de marcas --- */
.marcas{padding:32px 0;overflow:hidden;position:relative;--vel:60s;background:var(--fondo);
  border-top:1px solid var(--borde);border-bottom:1px solid var(--borde)}
.marcas::before,.marcas::after{content:"";position:absolute;top:0;bottom:0;width:110px;z-index:2;pointer-events:none}
.marcas::before{left:0;background:linear-gradient(to right,var(--fondo),rgba(247,248,250,0))}
.marcas::after{right:0;background:linear-gradient(to left,var(--fondo),rgba(247,248,250,0))}
.pista{display:flex;width:max-content;animation:corre var(--vel) linear infinite}
.marcas:hover .pista{animation-play-state:paused}
@keyframes corre{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.marcas .m{flex:0 0 auto;width:170px;height:74px;margin:0 20px;display:grid;place-items:center;position:relative}
.marcas .m img{max-width:100%;max-height:100%;grid-area:1/1;transition:opacity .3s}
.marcas .m .color{opacity:0}
.marcas .m:hover .gris{opacity:0}
.marcas .m:hover .color{opacity:1}

/* --- pie: blanco, para que el logotipo de Bombamex y los de marca se vean tal cual --- */
.pie{background:#fff;color:var(--texto2);padding-top:48px;border-top:1px solid var(--borde)}
.pie a{color:var(--texto2);text-decoration:none}
.pie a:hover{color:var(--marino)}
.pie h4{color:var(--marino);font-size:13px;letter-spacing:.07em;text-transform:uppercase;margin-bottom:14px}
.pie-rej{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.pie-rej ul{list-style:none;display:grid;gap:9px;font-size:14.5px}
.pie .logo img{height:36px;margin-bottom:16px}
.pie-legal{border-top:1px solid var(--borde);padding:20px 0;font-size:13px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--texto2)}

/* --- WhatsApp flotante --- */
.wa-flota{position:fixed;right:22px;bottom:22px;z-index:80;width:56px;height:56px;
  border-radius:50%;background:#fff url("../img/marca/whatsapp.png") center/62% no-repeat;
  box-shadow:0 6px 22px rgba(0,0,0,.22);transition:.18s}
.wa-flota:hover{transform:scale(1.07);box-shadow:0 10px 30px rgba(0,0,0,.28)}

/* --- responsivo --- */
@media(max-width:900px){
  .hero .wrap{grid-template-columns:1fr;gap:34px}
  .rej-4{grid-template-columns:repeat(2,1fr)}
  .rej-3{grid-template-columns:repeat(2,1fr)}
  .pie-rej{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:680px){
  .nav{display:none}
  .nav.abierto{display:flex;position:absolute;top:74px;left:0;right:0;background:#fff;
    flex-direction:column;padding:14px;gap:2px;border-bottom:1px solid var(--borde);
    box-shadow:0 12px 30px rgba(15,42,82,.10)}
  .nav.abierto a{padding:12px 14px}
  .menu-btn{display:block}
  .seccion{padding:44px 0}
  .rej-2,.rej-3,.rej-4{grid-template-columns:1fr}
  .pie-rej{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  .pista{animation:none;flex-wrap:wrap;width:100%;justify-content:center}
  .marcas::before,.marcas::after{display:none}
  html{scroll-behavior:auto}
}

/* --- catálogo con filtros --- */
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:12px}
.chips-marca{margin-bottom:26px}
.chip{padding:9px 16px;border-radius:100px;border:1px solid var(--borde);background:#fff;
  font-family:inherit;font-size:14px;font-weight:500;color:var(--texto2);cursor:pointer;
  transition:.15s;text-decoration:none;display:inline-flex;align-items:center;gap:7px}
.chip:hover{border-color:var(--acero);color:var(--marino)}
.chip.on{background:var(--marino);color:#fff;border-color:var(--marino)}
.chip .n{font-size:11.5px;opacity:.65;font-weight:600}
.chip-m{font-size:13px;padding:7px 14px}

.catalogo{display:grid;grid-template-columns:repeat(auto-fill,minmax(238px,1fr));
  gap:18px;align-items:start}
.card{background:#fff;border:1px solid var(--borde);border-radius:12px;overflow:hidden;
  transition:.18s;display:flex;flex-direction:column;min-width:0}
.card:hover{border-color:var(--acero);box-shadow:0 8px 24px rgba(15,42,82,.09);transform:translateY(-2px)}

/* Contenedor de imagen: alto fijo y recorte, para que ninguna foto se salga
   ni se empalme con la de al lado. */
.card-img{position:relative;height:215px;overflow:hidden;
  border-bottom:1px solid var(--borde);background:#fff}
.card-foto{position:absolute;inset:6px;width:calc(100% - 12px);height:calc(100% - 12px);
  object-fit:contain;object-position:center}
/* Logotipo de marca sobrepuesto en la esquina superior izquierda.
   Los PNG ya vienen con fondo transparente. */
.card-logo{position:absolute;top:9px;left:11px;width:118px;height:46px;
  object-fit:contain;object-position:left top;z-index:2}

.card-body{padding:14px 15px 15px;display:flex;flex-direction:column;gap:10px;flex:1;min-width:0}
.card-mod{font-size:16px;font-weight:700;color:var(--marino);margin:0;line-height:1.25;
  overflow-wrap:anywhere}
.card-acts{display:flex;gap:7px;flex-wrap:wrap;margin-top:auto}
.mini{font-size:12px;font-weight:600;padding:7px 11px;border-radius:6px;border:1px solid var(--borde);
  background:#fff;color:var(--marino);text-decoration:none;transition:.15s}
.mini:hover{border-color:var(--acero)}
.mini.pdf{border-color:var(--cian);color:var(--cian-osc)}
.sin-result{padding:30px 0;text-align:center}
@media(max-width:680px){.catalogo{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
  .card-img{height:165px}
  .card-logo{width:88px;height:34px}}

/* --- celda de marca con logotipo dentro de una tabla --- */
.td-marca{width:150px;padding:16px}
.td-marca img{width:110px;height:38px;object-fit:contain;object-position:left center}
@media(max-width:680px){
  .td-marca{width:110px;padding:12px}
  .td-marca img{width:84px;height:30px}
}

/* --- calculadoras --- */
.calc{background:#fff;border:1px solid var(--borde);border-radius:14px;padding:28px}
.calc-form{display:grid;gap:18px}
.calc-fila{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.calc-form label{display:grid;gap:7px;font-size:14px;font-weight:600;color:var(--marino)}
.calc-form input,.calc-form select{font-family:inherit;font-size:16px;font-weight:400;
  color:var(--texto);padding:11px 13px;border:1px solid var(--borde);border-radius:8px;
  background:#fff;width:100%;transition:.15s}
.calc-form input:focus,.calc-form select:focus{outline:none;border-color:var(--cian);
  box-shadow:0 0 0 3px rgba(0,168,240,.14)}
.con-unidad{display:grid;grid-template-columns:1fr 96px;gap:8px}
.calc-form label.check{display:flex;align-items:center;gap:10px;font-weight:600;cursor:pointer;
  padding:13px 15px;background:var(--fondo);border-radius:9px;border:1px solid var(--borde)}
.calc-form label.check input{width:18px;height:18px;accent-color:var(--cian);padding:0}
.acc-rej{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px;
  padding:18px;background:var(--fondo);border-radius:10px}
.acc-rej label{font-size:13px;font-weight:500;color:var(--texto2);gap:5px}
.acc-rej input{padding:8px 10px;font-size:15px}

.calc-res{margin-top:26px;padding-top:24px;border-top:1px solid var(--borde)}
.res-rej{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}
.res-rej > div{background:var(--fondo);border-radius:10px;padding:16px}
.res-rej .k{font-size:12.5px;color:var(--texto2);display:block;margin-bottom:4px}
.res-rej .v{font-size:23px;font-weight:700;color:var(--marino);letter-spacing:-.02em;display:block}
.res-rej .v.destaca{color:var(--cian-osc)}
@media(max-width:680px){
  .calc{padding:20px}
  .calc-fila{grid-template-columns:1fr}
  .acc-rej{grid-template-columns:1fr 1fr;padding:14px}
}

/* --- deslizador de la calculadora de retorno --- */
.slider{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:3px;
  background:linear-gradient(90deg,var(--cian) 0%,var(--cian) 50%,var(--borde) 50%);outline:none;margin:4px 0 0}
.slider::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;border-radius:50%;
  background:#fff;border:3px solid var(--cian);cursor:pointer;box-shadow:0 2px 7px rgba(0,0,0,.18)}
.slider::-moz-range-thumb{width:24px;height:24px;border-radius:50%;background:#fff;
  border:3px solid var(--cian);cursor:pointer;box-shadow:0 2px 7px rgba(0,0,0,.18)}
.ticks{display:flex;justify-content:space-between;margin-top:8px;font-size:11px;color:var(--texto2)}
.unidad-fija{display:grid;place-items:center;background:var(--fondo);border:1px solid var(--borde);
  border-radius:8px;font-size:14px;font-weight:600;color:var(--texto2)}
.res-rej .k + .v + .k{margin-top:4px;font-weight:600;color:var(--cian-osc)}

/* El atributo hidden debe ganar siempre. Sin esto, reglas como
   .card{display:flex} lo anulan y los filtros no ocultan nada. */
[hidden]{display:none !important}

/* --- tarjeta con descripción y enlace --- */
.card-img{display:block;text-decoration:none}
.card-mod a{text-decoration:none;color:inherit}
.card-mod a:hover{color:var(--cian-osc)}
.card-desc{font-size:13px;color:var(--texto2);line-height:1.45;margin:0 0 4px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.mini.ver{border-color:var(--marino);background:var(--marino);color:#fff}
.mini.ver:hover{background:var(--profundo);border-color:var(--profundo)}

/* --- página de modelo: galería --- */
.miga{font-size:13px;color:var(--texto2);margin-bottom:12px}
.miga a{color:var(--cian-osc);text-decoration:none;font-weight:600}
.galeria{margin:0}
.galeria > img{width:100%;height:auto;border-radius:14px;border:1px solid var(--borde);
  background:#fff;aspect-ratio:4/3;object-fit:contain;padding:18px}
.gal-minis{display:flex;gap:9px;margin-top:12px;flex-wrap:wrap}
.mini-img{width:74px;height:60px;padding:5px;border:1px solid var(--borde);border-radius:8px;
  background:#fff;cursor:pointer;transition:.15s;display:grid;place-items:center}
.mini-img:hover{border-color:var(--acero)}
.mini-img.on{border-color:var(--cian);box-shadow:0 0 0 2px rgba(0,168,240,.18)}
.mini-img img{max-width:100%;max-height:100%;width:auto;object-fit:contain}