:root{
  --azul:#157fc0;--azul-osc:#0f6aa3;--navy:#1b2140;--navy-2:#151a33;
  --tinta:#2b2b2b;--texto:#5a5f6d;--gris:#f7f7f7;--borde:#e7e7e7;--claro:#eef1fa;
  --radio:10px;--sombra:0 20px 50px rgba(27,33,64,.12);
  --fuente:"Work Sans",-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:var(--fuente);color:var(--texto);background:#fff;font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3{color:var(--tinta);font-weight:600;line-height:1.15;letter-spacing:-.01em}
h2{font-size:clamp(28px,3.4vw,42px)}
h3{font-size:21px}
.wrap{width:min(1200px,100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px;top:0;background:var(--azul);color:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--azul);outline-offset:3px}

/* botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--azul);color:#fff;font-weight:500;padding:12px 26px;border-radius:4px;transition:background .2s,transform .2s,box-shadow .2s;white-space:nowrap}
.btn:hover{background:var(--azul-osc);transform:translateY(-2px);box-shadow:0 10px 24px rgba(21,127,192,.3)}
.btn--lg{padding:16px 34px;font-size:18px}
.btn--sm{padding:10px 22px;font-size:15px}
.btn--ghost{background:transparent;border:2px solid rgba(255,255,255,.7)}
.btn--ghost:hover{background:#fff;color:var(--navy);box-shadow:none}

/* topbar */
.topbar{background:var(--navy-2);color:#fff;font-size:14.5px;font-weight:500}
.topbar__in{display:flex;justify-content:space-between;align-items:center;min-height:44px;gap:16px}
.topbar__social{display:flex;gap:14px}
.topbar__social svg{width:17px;height:17px;fill:#fff;opacity:.85;transition:opacity .2s}
.topbar__social a:hover svg{opacity:1}
.topbar__info{display:flex;gap:26px;flex-wrap:wrap}
.topbar__info a:hover{color:#8cc9f0}

/* header */
.header{position:sticky;top:0;z-index:50;background:rgba(21,26,51,.0);transition:background .3s,box-shadow .3s;margin-bottom:-88px}
.header__in{display:flex;align-items:center;justify-content:space-between;height:88px}
.header__logo img{height:34px;width:auto}
.header .logo-dark{display:none}
.header.is-solid{background:#fff;box-shadow:0 6px 24px rgba(0,0,0,.07)}
.header.is-solid .logo-light{display:none}
.header.is-solid .logo-dark{display:block}
.nav{display:flex;align-items:center;gap:30px}
.nav a:not(.btn){color:#fff;font-weight:500;transition:color .2s}
.header.is-solid .nav a:not(.btn){color:var(--tinta)}
.nav a:not(.btn):hover{color:var(--azul)!important}
.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;padding:10px}
.nav-toggle span{display:block;height:2px;background:#fff;border-radius:2px;transition:transform .25s,opacity .25s}
.header.is-solid .nav-toggle span{background:var(--tinta)}

/* hero */
.hero{min-height:min(92vh,860px);display:flex;align-items:flex-end;color:#fff;
  background:linear-gradient(90deg,rgba(15,20,40,.88) 0%,rgba(15,20,40,.55) 55%,rgba(15,20,40,.25) 100%),url(../img/hero.webp) center/cover no-repeat;padding:180px 0 110px}
.hero h1{color:#fff;font-size:clamp(36px,5.2vw,62px);max-width:780px;line-height:1.05;margin-bottom:22px}
.hero__lead{font-size:clamp(17px,1.6vw,20px);max-width:620px;opacity:.92;margin-bottom:34px}
.hero__cta{display:flex;gap:16px;flex-wrap:wrap}

/* intro + tarjetas */
.intro{padding:110px 0 120px;background:var(--claro)}
.section-title{text-align:center;max-width:820px;margin:0 auto 60px}
.section-title p{margin-top:20px;font-size:18px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--borde);border-radius:var(--radio);padding:38px 30px;display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-6px);box-shadow:var(--sombra)}
.card img{width:72px;height:72px;margin-bottom:26px}
.card__sub{margin:8px 0 18px;font-size:16px}
.checks{margin-bottom:28px;flex:1}
.checks li{position:relative;padding-left:28px;margin-bottom:8px;font-size:15.5px;color:var(--tinta)}
.checks li::before{content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;background:var(--azul) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/11px no-repeat}
.card .btn{align-self:flex-start}

/* nosotros */
.why{padding:130px 0}
.why__in{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.why__text h2{margin-bottom:40px}
.feature{display:flex;gap:20px;margin-bottom:30px}
.feature__ico{flex:0 0 56px;height:56px;border-radius:50%;background:rgba(21,127,192,.1);display:grid;place-items:center}
.feature__ico svg{width:26px;height:26px;fill:var(--azul)}
.feature h3{font-size:19px;margin-bottom:4px}
.why__photos{position:relative;min-height:520px}
.ph{position:absolute;border-radius:var(--radio);box-shadow:var(--sombra);object-fit:cover}
.ph--a{width:62%;right:0;top:0}
.ph--b{width:55%;left:0;bottom:0;border:8px solid #fff}
.dots{position:absolute;right:-10px;bottom:30px;width:150px;height:150px;background-image:radial-gradient(var(--azul) 2px,transparent 2.5px);background-size:18px 18px;opacity:.35;z-index:-1}

/* banda */
.band{background:linear-gradient(rgba(21,26,51,.82),rgba(21,26,51,.82)),url(../img/banda.webp) center/cover;color:#fff;padding:130px 0;text-align:center}
.band__in{max-width:860px}
.band h2{color:#fff;margin-bottom:22px}
.band p{font-size:18px;opacity:.9;margin-bottom:36px}

/* proceso */
.process{padding:120px 0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;list-style:none;counter-reset:none}
.step{padding:36px 28px;border-radius:var(--radio);background:#fff;box-shadow:0 10px 40px rgba(27,33,64,.07);position:relative}
.step__n{display:block;font-size:56px;font-weight:600;color:#e3e6ee;line-height:1;margin-bottom:18px}
.step h3{margin-bottom:10px}
.step p{font-size:16px}

/* faq */
.faq{padding:40px 0 120px}
.faq__in{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.faq h2{margin-bottom:30px}
details{border-bottom:1px solid var(--borde);padding:18px 0}
summary{cursor:pointer;font-weight:600;color:var(--tinta);font-size:18px;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--azul);font-size:26px;line-height:1;transition:transform .25s}
details[open] summary::after{transform:rotate(45deg)}
details p{margin-top:12px}
.faq__img{border-radius:var(--radio);box-shadow:var(--sombra);width:100%;aspect-ratio:3/2;object-fit:cover}

/* stats */
.stats{background:var(--claro);padding:110px 0;text-align:center}
.stats h2{max-width:760px;margin:0 auto 60px}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat strong{display:block;font-size:56px;font-weight:500;color:var(--azul);line-height:1.1}
.stat>span{font-weight:500;color:var(--tinta)}
.stats__note{margin-top:50px;color:#39374d;font-size:18px}

/* footer */
.footer{background:var(--navy);color:rgba(255,255,255,.75);padding:80px 0 0;font-size:16px}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1.3fr 1fr;gap:40px;padding-bottom:60px}
.footer img{height:36px;width:auto;margin-bottom:20px}
.footer__tag{max-width:320px}
.footer h3{color:#fff;font-size:18px;margin-bottom:18px}
.footer li{margin-bottom:10px}
.footer a:hover{color:#fff}
.footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding:24px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px}

/* whatsapp */
.wa{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;align-items:center;gap:10px}
.wa svg{width:60px;height:60px;padding:13px;border-radius:50%;background:#25d366;fill:#fff;box-shadow:0 8px 24px rgba(0,0,0,.25);transition:transform .2s}
.wa:hover svg{transform:scale(1.07)}
.wa__label{background:#fff;color:#111;font-weight:600;font-size:14px;padding:7px 12px;border-radius:6px;box-shadow:0 4px 16px rgba(0,0,0,.15)}

/* animación */
.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){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}*{transition:none!important}}

/* responsive */
@media (max-width:1100px){
  .cards,.steps{grid-template-columns:repeat(2,1fr)}
  .hide-md{display:none}
  .why__in{gap:50px}
}
@media (max-width:860px){
  .nav-toggle{display:flex}
  .nav{position:fixed;inset:88px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:12px 16px 24px;box-shadow:0 20px 30px rgba(0,0,0,.1);transform:translateY(-130%);transition:transform .3s;z-index:-1}
  .nav a:not(.btn){color:var(--tinta)!important;padding:14px 4px;border-bottom:1px solid var(--borde)}
  .nav .btn{margin-top:16px}
  .nav.is-open{transform:none}
  .header.menu-open{background:#fff}
  .header.menu-open .logo-light{display:none}.header.menu-open .logo-dark{display:block}
  .header.menu-open .nav-toggle span{background:var(--tinta)}
  .menu-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .menu-open .nav-toggle span:nth-child(2){opacity:0}
  .menu-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .why__in,.faq__in{grid-template-columns:1fr}
  .why__photos{min-height:420px;max-width:520px}
  .footer__grid{grid-template-columns:1fr 1fr}
  .stats__grid{grid-template-columns:repeat(2,1fr);row-gap:40px}
}
@media (max-width:600px){
  body{font-size:16px}
  .hide-sm{display:none}
  .topbar__info{gap:14px}
  .hero{padding:150px 0 80px;min-height:auto}
  .intro,.why,.process,.band,.stats{padding:80px 0}
  .cards,.steps{grid-template-columns:1fr}
  .why__photos{min-height:340px}
  .dots{right:0}
  .stat strong{font-size:44px}
  .footer__grid{grid-template-columns:1fr}
  .wa__label{display:none}
}