/* Purificadora Agua Clara — sistema visual "Ruta del agua" */
@font-face{font-family:"Bricolage";src:url(../fonts/bricolage-grotesque-v9-latin-700.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Bricolage";src:url(../fonts/bricolage-grotesque-v9-latin-800.woff2) format("woff2");font-weight:800;font-display:swap}
@font-face{font-family:"Figtree";src:url(../fonts/figtree-v9-latin-regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Figtree";src:url(../fonts/figtree-v9-latin-600.woff2) format("woff2");font-weight:600;font-display:swap}
:root{
  --azul:#0288D1;--azul-hondo:#01416B;--noche:#022a45;--celeste:#4FC3F7;--bruma:#E6F6FD;--blanco:#fff;
  --tinta:#0b2233;--gris:#4d6475;--linea:#cfe6f3;--acento:#FFB74D;--ok:#1b7f4b;--error:#b3261e;
  --r:14px;--r-lg:28px;--sombra:0 18px 40px -18px rgba(1,65,107,.35);
  --display:"Bricolage",system-ui,sans-serif;--texto:"Figtree",system-ui,sans-serif;
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--texto);color:var(--tinta);background:var(--blanco);line-height:1.6;font-size:1.0625rem}
img{max-width:100%;height:auto;display:block}
a{color:var(--azul)}
a:hover{color:var(--azul-hondo)}
:focus-visible{outline:3px solid var(--acento);outline-offset:3px;border-radius:6px}
h1,h2,h3,h4{font-family:var(--display);line-height:1.08;color:var(--azul-hondo);margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(2.3rem,7vw,4.6rem);font-weight:800}
h2{font-size:clamp(1.8rem,4.5vw,2.9rem);font-weight:800}
h3{font-size:1.3rem;font-weight:700}
p{margin:0 0 1em}
.wrap{width:min(100% - 2.5rem,var(--max));margin-inline:auto}
.skip{position:absolute;left:-999px;top:0;background:var(--acento);color:var(--tinta);padding:.6rem 1rem;z-index:100}
.skip:focus{left:1rem}
.eyebrow{font-weight:600;text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;color:var(--azul);display:inline-flex;gap:.5rem;align-items:center}
.eyebrow::before{content:"";width:28px;height:2px;background:currentColor}
.lead{font-size:1.2rem;color:var(--gris);max-width:60ch}
.muted{color:var(--gris)}
.small{font-size:.88rem}
section{padding:clamp(3.5rem,8vw,6.5rem) 0}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;min-height:48px;padding:.75rem 1.4rem;border-radius:999px;font-weight:600;text-decoration:none;border:2px solid transparent;cursor:pointer;font:600 1rem var(--texto);transition:transform .2s,background .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primario{background:var(--azul);color:var(--blanco);box-shadow:var(--sombra)}
.btn-primario:hover{background:var(--azul-hondo);color:var(--blanco)}
.btn-wa{background:#128C4A;color:var(--blanco)}
.btn-wa:hover{background:#0d6b38;color:var(--blanco)}
.btn-borde{border-color:currentColor;color:var(--azul-hondo);background:transparent}
.btn-claro{background:var(--blanco);color:var(--azul-hondo)}
.btn-claro:hover{color:var(--azul)}
.btn-row{display:flex;flex-wrap:wrap;gap:.75rem}
.btn svg{width:20px;height:20px}

/* Encabezado */
.header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--linea)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:72px}
.brand img{height:46px;width:auto}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:.2rem}
.nav a{display:block;padding:.6rem .8rem;border-radius:10px;text-decoration:none;color:var(--tinta);font-weight:600}
.nav a:hover,.nav a[aria-current=page]{background:var(--bruma);color:var(--azul-hondo)}
.header-cta{display:flex;gap:.5rem;align-items:center}
.menu-btn{display:none;background:var(--bruma);border:0;border-radius:12px;width:48px;height:48px;cursor:pointer;color:var(--azul-hondo)}
@media (max-width:1020px){
  .menu-btn{display:inline-grid;place-items:center}
  .header-cta .btn{display:none}
  .nav{position:fixed;inset:72px 0 auto 0;background:var(--blanco);border-bottom:1px solid var(--linea);padding:1rem 1.25rem 1.5rem;display:none;max-height:calc(100vh - 72px);overflow:auto}
  .nav.abierto{display:block}
  .nav ul{flex-direction:column}
  .nav a{padding:.9rem 1rem;font-size:1.1rem}
  .no-js .nav{display:block;position:static}
}

/* Portada */
.hero{position:relative;padding:0;background:var(--noche);color:var(--blanco);overflow:hidden}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.45}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,var(--noche) 15%,rgba(2,42,69,.55) 60%,rgba(2,136,209,.25))}
.hero .wrap{position:relative;z-index:1;padding:clamp(4rem,12vw,8.5rem) 0 clamp(6rem,12vw,9rem)}
.hero h1{color:var(--blanco);max-width:13ch}
.hero h1 em{font-style:normal;color:var(--celeste)}
.hero .lead{color:#d7eefa}
.hero .eyebrow{color:var(--celeste)}
.hero-datos{display:flex;flex-wrap:wrap;gap:1.25rem 2rem;margin-top:2rem;font-size:.95rem;color:#d7eefa}
.hero-datos strong{display:block;color:var(--blanco);font-family:var(--display);font-size:1.4rem}
.ola{position:absolute;bottom:-1px;left:0;width:100%;height:70px;z-index:2;color:var(--blanco)}

/* Precio estrella */
.precios-flash{margin-top:-3.5rem;position:relative;z-index:3;padding:0}
.flash{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));background:var(--blanco);border-radius:var(--r-lg);box-shadow:var(--sombra);overflow:hidden;border:1px solid var(--linea)}
.flash>div{padding:1.4rem 1.6rem;border-right:1px solid var(--linea)}
.flash>div:last-child{border:0}
.flash .p{font-family:var(--display);font-size:2.2rem;font-weight:800;color:var(--azul)}
.flash .n{font-weight:600}

/* Bloques */
.split{display:grid;gap:clamp(2rem,5vw,4rem);align-items:center}
@media(min-width:880px){.split{grid-template-columns:1.05fr 1fr}.split.inv>:first-child{order:2}}
.foto{border-radius:var(--r-lg);overflow:hidden;position:relative;box-shadow:var(--sombra)}
.foto img{width:100%;aspect-ratio:4/3;object-fit:cover}
.foto figcaption,.etq{position:absolute;left:12px;bottom:12px;background:rgba(2,42,69,.78);color:var(--blanco);font-size:.75rem;padding:.25rem .6rem;border-radius:999px}
.fondo-bruma{background:var(--bruma)}
.fondo-noche{background:var(--noche);color:#d7eefa}
.fondo-noche h2,.fondo-noche h3{color:var(--blanco)}

/* Pasos (ruta del agua) */
.ruta{counter-reset:paso;display:grid;gap:1rem;list-style:none;padding:0;margin:2rem 0 0}
@media(min-width:760px){.ruta{grid-template-columns:repeat(4,1fr)}}
.ruta li{position:relative;padding:1.4rem;border-radius:var(--r);background:rgba(255,255,255,.06);border:1px solid rgba(79,195,247,.3)}
.ruta li::before{counter-increment:paso;content:"0" counter(paso);font-family:var(--display);font-weight:800;font-size:2.4rem;color:var(--celeste);display:block}

/* Catálogo */
.filtros{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;margin:1.5rem 0}
.filtros input{flex:1 1 240px;min-height:48px;border:2px solid var(--linea);border-radius:999px;padding:.6rem 1.2rem;font:inherit}
.chip{min-height:44px;border:2px solid var(--linea);background:var(--blanco);border-radius:999px;padding:.4rem 1rem;font:600 .95rem var(--texto);cursor:pointer;color:var(--tinta)}
.chip[aria-pressed=true]{background:var(--azul-hondo);border-color:var(--azul-hondo);color:var(--blanco)}
.tabla-precios{width:100%;border-collapse:collapse;background:var(--blanco);border-radius:var(--r);overflow:hidden}
.tabla-precios th,.tabla-precios td{text-align:left;padding:.95rem 1rem;border-bottom:1px solid var(--linea);vertical-align:top}
.tabla-precios thead th{background:var(--azul-hondo);color:var(--blanco);font-size:.85rem;text-transform:uppercase;letter-spacing:.08em}
.tabla-precios td.precio{font-family:var(--display);font-weight:800;color:var(--azul);white-space:nowrap;font-size:1.15rem}
.tabla-precios .cat{font-size:.78rem;background:var(--bruma);color:var(--azul-hondo);padding:.15rem .55rem;border-radius:999px;white-space:nowrap}
.vacio{padding:2rem;text-align:center;border:2px dashed var(--linea);border-radius:var(--r);display:none}
.fichas{display:grid;gap:1.25rem}
@media(min-width:700px){.fichas{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1050px){.fichas{grid-template-columns:repeat(3,1fr)}}
.ficha{display:flex;flex-direction:column;border:1px solid var(--linea);border-radius:var(--r-lg);overflow:hidden;background:var(--blanco);transition:box-shadow .25s,transform .25s;text-decoration:none;color:inherit}
.ficha:hover{box-shadow:var(--sombra);transform:translateY(-4px);color:inherit}
.ficha img{aspect-ratio:16/10;object-fit:cover;width:100%}
.ficha .cuerpo{padding:1.3rem 1.4rem 1.5rem;display:flex;flex-direction:column;gap:.4rem;flex:1}
.ficha .desde{font-family:var(--display);font-weight:800;color:var(--azul);font-size:1.3rem;margin-top:auto}
.lista-check{list-style:none;padding:0;margin:0 0 1rem}
.lista-check li{padding-left:1.8rem;position:relative;margin-bottom:.45rem}
.lista-check li::before{content:"";position:absolute;left:0;top:.42em;width:1rem;height:1rem;border-radius:50% 50% 50% 0;transform:rotate(-45deg);background:var(--celeste)}
.aviso{background:var(--bruma);border-left:4px solid var(--azul);padding:1rem 1.2rem;border-radius:0 var(--r) var(--r) 0;font-size:.95rem}

/* Formularios */
.form{display:grid;gap:1rem}
.form .doble{display:grid;gap:1rem}
@media(min-width:620px){.form .doble{grid-template-columns:1fr 1fr}}
label{font-weight:600;display:block;margin-bottom:.3rem}
input,select,textarea{width:100%;min-height:48px;border:2px solid var(--linea);border-radius:12px;padding:.7rem .9rem;font:inherit;background:var(--blanco);color:var(--tinta)}
textarea{min-height:120px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--azul);outline:none;box-shadow:0 0 0 4px rgba(79,195,247,.35)}
[aria-invalid=true]{border-color:var(--error)}
.err{color:var(--error);font-size:.88rem;min-height:1.1em;margin-top:.25rem}
.check{display:flex;gap:.6rem;align-items:flex-start;font-weight:400}
.check input{width:22px;min-height:22px;height:22px;margin-top:.2rem;flex:none}
.estado{padding:1rem 1.2rem;border-radius:var(--r);display:none}
.estado.ok{display:block;background:#e6f5ec;color:var(--ok)}
.estado.mal{display:block;background:#fdeceb;color:var(--error)}
.tarjeta{background:var(--blanco);border:1px solid var(--linea);border-radius:var(--r-lg);padding:clamp(1.3rem,4vw,2.2rem);box-shadow:var(--sombra)}
.hp{position:absolute;left:-9999px}

/* Cotizador */
.cotizador .fila{display:flex;justify-content:space-between;gap:1rem;padding:.6rem 0;border-bottom:1px dashed var(--linea)}
.cotizador .total{font-family:var(--display);font-weight:800;font-size:2rem;color:var(--azul)}

/* Galería */
.galeria{display:grid;gap:.8rem;grid-template-columns:repeat(2,1fr)}
@media(min-width:900px){.galeria{grid-template-columns:repeat(4,1fr)}.galeria button:nth-child(1){grid-column:span 2;grid-row:span 2}}
.galeria button{padding:0;border:0;border-radius:var(--r);overflow:hidden;cursor:zoom-in;position:relative;background:var(--bruma)}
.galeria img{width:100%;height:100%;aspect-ratio:1;object-fit:cover;transition:transform .4s}
.galeria button:hover img{transform:scale(1.05)}
.lightbox{position:fixed;inset:0;background:rgba(2,20,35,.92);z-index:90;display:none;align-items:center;justify-content:center;padding:1rem}
.lightbox.abierto{display:flex}
.lightbox figure{margin:0;max-width:1100px;width:100%;color:var(--blanco);text-align:center}
.lightbox img{max-height:78vh;margin:0 auto;border-radius:var(--r)}
.lb-btn{position:absolute;background:var(--blanco);border:0;border-radius:50%;width:52px;height:52px;font-size:1.5rem;cursor:pointer;color:var(--azul-hondo)}
.lb-cerrar{top:1rem;right:1rem}.lb-prev{left:1rem;top:50%}.lb-next{right:1rem;top:50%}

/* FAQ */
details{border-bottom:1px solid var(--linea);padding:1rem 0}
summary{cursor:pointer;font-weight:600;font-size:1.1rem;color:var(--azul-hondo);list-style:none;display:flex;justify-content:space-between;gap:1rem}
summary::after{content:"+";font-family:var(--display);font-size:1.5rem;line-height:1;color:var(--azul)}
details[open] summary::after{content:"–"}
details p{margin-top:.8rem}

/* Blog */
.articulos{display:grid;gap:1.5rem}
@media(min-width:800px){.articulos{grid-template-columns:1.4fr 1fr 1fr}}
.prosa{max-width:72ch}
.prosa h2{font-size:1.7rem;margin-top:2rem}
.migas{font-size:.9rem;margin-bottom:1rem}
.migas ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.4rem}
.migas li+li::before{content:"/";margin-right:.4rem;color:var(--gris)}
.cabecera-pagina{background:linear-gradient(160deg,var(--bruma),var(--blanco));padding:clamp(2.5rem,6vw,4.5rem) 0 2rem}

/* Pie */
.footer{background:var(--noche);color:#b9dcef;padding:4rem 0 7rem;font-size:.97rem}
.footer a{color:var(--blanco)}
.footer h3{color:var(--blanco);font-size:1rem;text-transform:uppercase;letter-spacing:.1em}
.footer-grid{display:grid;gap:2rem}
@media(min-width:800px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin-bottom:.45rem}
.footer .legal{border-top:1px solid rgba(255,255,255,.12);margin-top:2.5rem;padding-top:1.5rem;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between}
.linkbtn{background:none;border:0;color:var(--blanco);text-decoration:underline;cursor:pointer;font:inherit;padding:0}

/* Flotantes: llamada + WhatsApp (izq), chat (der) */
.flotantes{position:fixed;left:1rem;bottom:var(--off,1rem);z-index:50;display:flex;flex-direction:column;gap:.6rem;transition:bottom .25s}
.flot{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;box-shadow:var(--sombra);color:var(--blanco)}
.flot svg{width:26px;height:26px}
.flot.tel{background:var(--azul-hondo)}.flot.wa{background:#128C4A}
.chat-lanzador{position:fixed;right:1rem;bottom:var(--off,1rem);z-index:55;display:flex;align-items:center;gap:.5rem;background:var(--azul);color:var(--blanco);border:0;border-radius:999px;padding:.85rem 1.2rem;font:600 1rem var(--texto);box-shadow:var(--sombra);cursor:pointer;transition:bottom .25s}
.chat-lanzador svg{width:22px;height:22px}
.chat{padding:0;position:fixed;right:1rem;bottom:calc(var(--off,1rem) + 70px);z-index:60;width:min(390px,calc(100vw - 2rem));height:min(600px,calc(100vh - 140px));background:var(--blanco);border-radius:22px;box-shadow:0 30px 60px -20px rgba(1,30,50,.5);display:none;flex-direction:column;overflow:hidden;border:1px solid var(--linea)}
.chat.abierto{display:flex}
.chat-cab{background:var(--azul-hondo);color:var(--blanco);padding:.9rem 1rem;display:flex;align-items:center;gap:.7rem}
.chat-cab img{width:38px;height:38px;border-radius:10px}
.chat-cab strong{display:block;font-family:var(--display)}
.chat-cab small{color:#b9dcef}
.chat-cab .acc{margin-left:auto;display:flex;gap:.3rem}
.chat-cab button{background:rgba(255,255,255,.12);border:0;color:var(--blanco);border-radius:10px;width:40px;height:40px;cursor:pointer;font-size:1rem}
.chat-log{flex:1;overflow:auto;padding:1rem;display:flex;flex-direction:column;gap:.6rem;background:var(--bruma)}
.msg{max-width:85%;padding:.65rem .9rem;border-radius:16px;font-size:.96rem;line-height:1.45}
.msg.bot{background:var(--blanco);border-bottom-left-radius:4px;align-self:flex-start}
.msg.yo{background:var(--azul);color:var(--blanco);border-bottom-right-radius:4px;align-self:flex-end}
.msg a{font-weight:600}
.rapidas{display:flex;gap:.4rem;flex-wrap:wrap;padding:.6rem .8rem;border-top:1px solid var(--linea)}
.rapidas button{border:1.5px solid var(--azul);background:var(--blanco);color:var(--azul-hondo);border-radius:999px;padding:.35rem .75rem;font:600 .85rem var(--texto);cursor:pointer;min-height:36px}
.chat-form{display:flex;gap:.4rem;padding:.7rem;border-top:1px solid var(--linea)}
.chat-form input{min-height:44px;border-radius:999px}
.chat-form button{border:0;background:var(--azul);color:var(--blanco);border-radius:999px;padding:0 1rem;font:600 .95rem var(--texto);cursor:pointer}
@media(max-width:560px){.chat{right:.5rem;left:.5rem;width:auto;height:calc(100vh - 120px)}.chat-lanzador span{display:none}}

/* Cookies */
.cookies{position:fixed;left:0;right:0;bottom:0;z-index:70;background:var(--blanco);border-top:3px solid var(--azul);box-shadow:0 -10px 30px rgba(1,30,50,.15);padding:1rem 0;display:none}
.cookies.visible{display:block}
.cookies .wrap{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between}
.cookies p{margin:0;max-width:70ch;font-size:.93rem}

/* Animación */
.revela{opacity:0;transform:translateY(24px);transition:opacity .7s,transform .7s}
.revela.visto{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.revela{opacity:1;transform:none}}
.no-js .revela{opacity:1;transform:none}
.grid-2{display:grid;gap:1.5rem}
@media(min-width:800px){.grid-2{grid-template-columns:1fr 1fr}}
.datos dt{font-weight:600;color:var(--azul-hondo)}
.datos dd{margin:0 0 1rem}
.mapa{border:0;width:100%;height:340px;border-radius:var(--r-lg)}
.mapa-ph{display:grid;place-items:center;text-align:center;gap:.8rem;background:var(--bruma);border-radius:var(--r-lg);min-height:300px;padding:1.5rem}