/* Cubiertas Mediterráneas — estilos */
:root{
  --mar:#0e2a3b;
  --mar-2:#16405a;
  --terracota:#c4552f;
  --terracota-2:#a8441f;
  --arena:#f5eee3;
  --arena-2:#ebe0cf;
  --blanco:#ffffff;
  --texto:#1b2328;
  --suave:#5b6870;
  --linea:#ddd3c3;
  --radio:14px;
  --sombra:0 10px 30px rgba(14,42,59,.10);
  --max:1200px;
  --f-tit:'Bricolage Grotesque',system-ui,sans-serif;
  --f-txt:'Inter',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:clip}
body{font-family:var(--f-txt);color:var(--texto);background:var(--arena);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--f-tit);line-height:1.1;letter-spacing:-.02em;color:var(--mar)}
h1{font-size:clamp(2.3rem,5.5vw,4.2rem);font-weight:700}
h2{font-size:clamp(1.8rem,3.6vw,2.8rem);font-weight:700}
h3{font-size:1.25rem;font-weight:600}
p{color:var(--suave)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--terracota);margin-bottom:14px}
.section{padding:96px 0}
.section--white{background:var(--blanco)}
.section--mar{background:var(--mar);color:var(--arena)}
.section--mar h2,.section--mar h3{color:var(--blanco)}
.section--mar p{color:#b9c8d1}
.section__head{max-width:720px;margin-bottom:48px}
.section__head p{margin-top:14px;font-size:1.08rem}
.center{text-align:center;margin-left:auto;margin-right:auto}

/* Botones */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 26px;border-radius:999px;font-weight:600;font-size:1rem;border:2px solid transparent;cursor:pointer;transition:transform .2s,background .2s,color .2s;font-family:inherit}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--terracota);color:var(--blanco)}
.btn--primary:hover{background:var(--terracota-2)}
.btn--ghost{border-color:currentColor;color:var(--blanco)}
.btn--ghost:hover{background:var(--blanco);color:var(--mar)}
.btn--dark{background:var(--mar);color:var(--blanco)}
.btn--line{border-color:var(--mar);color:var(--mar)}
.btn--line:hover{background:var(--mar);color:var(--blanco)}

/* Cabecera */
.topbar{background:var(--mar);color:#cfdbe2;font-size:.85rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap}
.topbar a:hover{color:var(--blanco)}
.header{position:sticky;top:0;z-index:50;background:rgba(245,238,227,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--linea)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--f-tit);font-weight:700;font-size:1.15rem;color:var(--mar);line-height:1}
.logo small{display:block;font-size:.68rem;letter-spacing:.2em;font-weight:500;color:var(--terracota);margin-top:3px}
.logo svg{width:40px;height:40px}
.nav{display:flex;gap:28px;align-items:center}
.nav a{font-weight:500;font-size:.95rem}
.nav a:not(.btn):hover{color:var(--terracota)}
.nav .btn{padding:11px 20px}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer}
.burger span{display:block;width:24px;height:2px;background:var(--mar);margin:5px auto;transition:.3s}

/* Hero */
.hero{position:relative;background:linear-gradient(180deg,#0e2a3b 0%,#16405a 62%,#2b5a73 100%);color:var(--blanco);overflow:hidden}
.hero .wrap{position:relative;z-index:2;padding-top:96px;padding-bottom:0;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:end}
.hero__text{padding-bottom:110px}
.hero h1{color:var(--blanco)}
.hero h1 em{font-style:normal;color:#f0a27f}
.hero p{color:#c9d7df;font-size:1.15rem;margin:22px 0 34px;max-width:540px}
.hero__ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero__art{align-self:end}
.hero__sun{position:absolute;right:12%;top:70px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,#f0a27f 0%,#c4552f 70%);opacity:.85;z-index:1;filter:blur(1px)}
.hero__tabs{display:flex;gap:8px;flex-wrap:wrap;margin-top:34px}
.hero__tab{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#dbe6ec;padding:8px 16px;border-radius:999px;font-size:.88rem;cursor:pointer;font-family:inherit;transition:.2s}
.hero__tab.is-active,.hero__tab:hover{background:var(--blanco);color:var(--mar)}
.hero-sm{padding:80px 0 70px}
.hero-sm .wrap{display:block;padding-top:0}
.hero-sm p{margin-bottom:0}
.crumbs{font-size:.85rem;color:#9fb3bf;margin-bottom:18px}
.crumbs a:hover{color:var(--blanco)}

/* Ventajas */
.usps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.usp{background:var(--blanco);border-radius:var(--radio);padding:28px;border:1px solid var(--linea)}
.usp__icon{width:48px;height:48px;border-radius:12px;background:var(--arena);display:grid;place-items:center;margin-bottom:18px;color:var(--terracota)}
.usp__icon svg{width:26px;height:26px}
.usp p{font-size:.95rem;margin-top:8px}

/* Proceso */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:paso}
.step{position:relative;padding-top:64px}
.step::before{counter-increment:paso;content:"0" counter(paso);position:absolute;top:0;left:0;font-family:var(--f-tit);font-size:2.6rem;font-weight:700;color:var(--terracota)}
.step::after{content:"";position:absolute;top:26px;left:72px;right:0;height:1px;background:rgba(255,255,255,.2)}
.step:last-child::after{display:none}
.step p{font-size:.95rem;margin-top:8px}

/* Tarjetas categoría */
.cats{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.cat{position:relative;border-radius:20px;overflow:hidden;background:var(--mar-2);color:var(--blanco);min-height:360px;display:flex;flex-direction:column;justify-content:flex-end;padding:32px;transition:transform .3s}
.cat:hover{transform:translateY(-4px)}
.cat__art{position:absolute;inset:0;display:flex;align-items:flex-start;justify-content:center;padding-top:30px;opacity:.95}
.cat__art svg{width:78%;height:auto}
.cat__body{position:relative;z-index:2}
.cat h3{color:var(--blanco);font-size:1.6rem}
.cat p{color:#cbd8df;margin:8px 0 16px;max-width:420px}
.cat__link{font-weight:600;color:#f0a27f}
.cat::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(14,42,59,.92) 78%);z-index:1}
.cat--a{background:#2b5a73}.cat--b{background:#3b4a52}.cat--c{background:#1f6b6a}.cat--d{background:#7a4a2e}
.group-title{font-family:var(--f-txt);font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;color:var(--suave);margin:8px 0 18px;font-weight:600}
.group-title + .cats{margin-bottom:40px}

/* Proyectos */
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.project{background:var(--blanco);border-radius:var(--radio);overflow:hidden;border:1px solid var(--linea)}
.ph{aspect-ratio:4/3;background:repeating-linear-gradient(45deg,var(--arena-2) 0 12px,var(--arena) 12px 24px);display:grid;place-items:center;color:var(--suave);font-size:.85rem;text-align:center;padding:16px}
.project__body{padding:22px}
.project__meta{font-size:.82rem;color:var(--terracota);font-weight:600;margin-bottom:6px}
.project p{font-size:.95rem;margin-top:6px}

/* Antes / después */
.ba{position:relative;border-radius:20px;overflow:hidden;aspect-ratio:16/8;background:var(--arena-2);user-select:none}
.ba__layer{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--f-tit);font-size:1.4rem;color:var(--mar)}
.ba__before{justify-items:start;padding-left:6%;background:repeating-linear-gradient(-45deg,#e4d8c4 0 14px,#efe6d8 14px 28px)}
.ba__after{justify-items:end;padding-right:6%;background:repeating-linear-gradient(-45deg,#c9dbe4 0 14px,#dce8ee 14px 28px);clip-path:inset(0 0 0 50%)}
.ba__handle{position:absolute;top:0;bottom:0;left:50%;width:3px;background:var(--blanco);transform:translateX(-50%);pointer-events:none}
.ba__handle::after{content:"⟷";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:46px;height:46px;border-radius:50%;background:var(--blanco);display:grid;place-items:center;color:var(--mar);font-size:1.2rem;box-shadow:var(--sombra)}
.ba input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize}

/* Calculadora */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--blanco);border-radius:20px;overflow:hidden;box-shadow:var(--sombra)}
.calc__form{padding:40px}
.calc__tabs{display:flex;gap:6px;background:var(--arena);padding:5px;border-radius:999px;margin-bottom:28px;width:max-content;max-width:100%}
.calc__tab{border:0;background:none;padding:9px 18px;border-radius:999px;font-weight:600;font-family:inherit;cursor:pointer;color:var(--suave);font-size:.92rem}
.calc__tab.is-active{background:var(--blanco);color:var(--mar);box-shadow:0 2px 8px rgba(0,0,0,.06)}
.field{margin-bottom:20px}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:8px;color:var(--mar)}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border:1px solid var(--linea);border-radius:10px;font:inherit;background:var(--blanco);color:var(--texto)}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--terracota);outline-offset:1px;border-color:transparent}
.field--range output{float:right;font-weight:700;color:var(--terracota)}
.field input[type=range]{padding:0;border:0;accent-color:var(--terracota)}
.calc__result{background:var(--mar);color:var(--blanco);padding:40px;display:flex;flex-direction:column;justify-content:center}
.calc__result small{color:#9fb3bf;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem}
.calc__big{font-family:var(--f-tit);font-size:2.6rem;font-weight:700;margin:6px 0 4px;line-height:1.1}
.calc__result p{color:#c9d7df}
.calc__result .btn{margin-top:26px;align-self:flex-start}
.calc__pane[hidden]{display:none}

/* Confianza */
.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.trust__item{padding:32px;border-radius:var(--radio);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12)}
.trust__item p{margin-top:8px;font-size:.95rem}
.specs{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.12);border-radius:var(--radio);overflow:hidden;margin-top:40px}
.spec{background:var(--mar);padding:26px}
.spec b{display:block;font-family:var(--f-tit);font-size:1.6rem;color:#f0a27f}
.spec span{font-size:.9rem;color:#b9c8d1}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq details{border-bottom:1px solid var(--linea);padding:22px 0}
.faq summary{cursor:pointer;font-family:var(--f-tit);font-size:1.15rem;font-weight:600;color:var(--mar);list-style:none;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--terracota);transition:.2s;line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin-top:12px}

/* Contacto */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.contact__info li{list-style:none;display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--linea)}
.contact__info b{display:block;color:var(--mar)}
.form{background:var(--blanco);padding:36px;border-radius:20px;box-shadow:var(--sombra)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form .btn{width:100%;justify-content:center}
.form__legal{font-size:.82rem;margin-top:14px}
.form__legal a{text-decoration:underline}
.hidden{display:none}

/* Página de categoría */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature{background:var(--blanco);border-radius:var(--radio);padding:24px;border:1px solid var(--linea)}
.feature h3{font-size:1.05rem}
.feature p{font-size:.93rem;margin-top:6px}
.models{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.model{background:var(--blanco);border-radius:var(--radio);border:1px solid var(--linea);overflow:hidden;display:flex;flex-direction:column}
.model__art{background:var(--arena);padding:22px 18px 10px}
.model__body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.model__dims{display:flex;gap:8px;flex-wrap:wrap}
.model__dims span{background:var(--arena);border-radius:8px;padding:5px 10px;font-size:.82rem;font-weight:600;color:var(--mar)}
.model__area{font-family:var(--f-tit);font-weight:700;color:var(--terracota);font-size:1.4rem}
.model .btn{margin-top:auto;justify-content:center}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.filter{border:1px solid var(--linea);background:var(--blanco);padding:9px 18px;border-radius:999px;cursor:pointer;font:inherit;font-size:.9rem;font-weight:500}
.filter.is-active{background:var(--mar);color:var(--blanco);border-color:var(--mar)}
.custom{display:flex;justify-content:space-between;align-items:center;gap:30px;background:var(--terracota);color:var(--blanco);border-radius:20px;padding:44px}
.custom h2{color:var(--blanco)}
.custom p{color:#ffe3d6;margin-top:8px}
.custom .btn{background:var(--blanco);color:var(--terracota);flex-shrink:0}

/* CTA final */
.cta{text-align:center}
.cta p{max-width:560px;margin:16px auto 30px}

/* Pie */
.footer{background:#0a1f2c;color:#9fb3bf;padding:70px 0 30px;font-size:.93rem}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer h4{color:var(--blanco);font-family:var(--f-txt);font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:16px}
.footer li{list-style:none;margin-bottom:9px}
.footer a:hover{color:var(--blanco)}
.footer .logo{color:var(--blanco);margin-bottom:16px}
.footer__bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:50px;padding-top:24px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.84rem}

/* WhatsApp flotante */
.wa{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.2);transition:transform .2s}
.wa:hover{transform:scale(1.07)}
.wa svg{width:30px;height:30px;fill:#fff}

/* Animación de entrada */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* Responsive */
@media (max-width:980px){
  .hero .wrap{grid-template-columns:1fr;padding-top:64px}
  .hero__text{padding-bottom:10px}
  .hero__sun{width:120px;height:120px;right:6%;top:30px}
  .usps,.steps,.specs{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .projects,.trust,.models,.features{grid-template-columns:1fr 1fr}
  .calc,.contact{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
  .nav{position:fixed;top:0;right:0;bottom:0;width:min(320px,85vw);background:var(--arena);flex-direction:column;align-items:flex-start;padding:100px 30px;gap:22px;transform:translateX(100%);transition:transform .35s;box-shadow:-10px 0 30px rgba(0,0,0,.1)}
  .nav.is-open{transform:none}
  .nav a{font-size:1.15rem}
  .burger{display:block;position:relative;z-index:70}
  .burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .burger.is-open span:nth-child(2){opacity:0}
  .burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .custom{flex-direction:column;align-items:flex-start}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .section{padding:68px 0}
  .usps,.steps,.specs,.projects,.trust,.models,.features,.cats,.footer__grid,.form__row{grid-template-columns:1fr}
  .cat{min-height:320px;padding:26px}
  .calc__form,.calc__result,.form{padding:26px}
  .custom{padding:30px}
  .topbar .hide-sm{display:none}
  .hero__sun{top:auto;bottom:230px;right:8%;width:80px;height:80px}
  .ba{aspect-ratio:4/3}
}