:root{
  --azul-900:#062a4d;
  --azul-800:#0b3c6b;
  --azul-700:#12558f;
  --azul-500:#1e7bc4;
  --azul-100:#e6f0f9;
  --azul-050:#f4f9fd;
  --blanco:#ffffff;
  --tinta:#062036;
  --gris:#3c5468;
  --radio:18px;
  --max:1180px;
  --sombra:0 18px 50px rgba(6,42,77,.14);
  --t:cubic-bezier(.22,.8,.28,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Manrope",system-ui,sans-serif;
  color:var(--tinta);
  background:var(--blanco);
  line-height:1.65;
  overflow-x:hidden;
}
img,video{display:block;max-width:100%}
h1,h2,h3{font-family:"Fraunces",Georgia,serif;font-weight:600;line-height:1.08;letter-spacing:-.02em}
h1{font-size:clamp(2.4rem,6.2vw,4.6rem)}
h2{font-size:clamp(1.9rem,3.8vw,3rem);color:var(--azul-900)}
h3{font-size:1.25rem;color:var(--azul-900)}
a{color:inherit;text-decoration:none}
.skip{position:absolute;left:-9999px;top:0;background:var(--azul-900);color:#fff;padding:.8rem 1.2rem;z-index:200}
.skip:focus{left:1rem;top:1rem}
.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:.75rem;font-weight:700;color:var(--azul-700)}

/* NAV — máximo contraste siempre */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;transition:background .35s var(--t),box-shadow .35s var(--t)}
.nav__inner{max-width:var(--max);margin:0 auto;padding:.9rem 1.25rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:flex;align-items:center;gap:.65rem}
.brand__mark{width:34px;height:34px;border-radius:50%;background:linear-gradient(140deg,var(--azul-500),var(--azul-900));box-shadow:0 0 0 3px rgba(255,255,255,.75)}
.brand__text{font-family:"Fraunces",serif;font-size:1.05rem;font-weight:600;line-height:1.1;display:flex;flex-direction:column;color:#fff;text-shadow:0 1px 12px rgba(6,32,54,.75)}
.brand__text small{font-family:"Manrope",sans-serif;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;font-weight:500;opacity:.9}
.nav__links{display:flex;align-items:center;gap:1.6rem}
.nav__links a{font-weight:600;font-size:.95rem;color:#fff;text-shadow:0 1px 10px rgba(6,32,54,.8);position:relative}
.nav__links a:not(.btn)::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;background:currentColor;transition:right .3s var(--t)}
.nav__links a:not(.btn):hover::after{right:0}
.nav.is-solid{background:var(--blanco);box-shadow:0 6px 26px rgba(6,42,77,.12)}
.nav.is-solid .brand__text,.nav.is-solid .nav__links a{color:var(--azul-900);text-shadow:none}
.nav.is-solid .brand__mark{box-shadow:0 0 0 3px var(--azul-100)}
.nav.is-solid .burger span{background:var(--azul-900)}
.nav.is-hidden{transform:translateY(-110%)}
.nav{transform:translateY(0);transition:transform .4s var(--t),background .35s var(--t),box-shadow .35s var(--t)}

.btn{display:inline-flex;align-items:center;justify-content:center;padding:.8rem 1.4rem;border-radius:999px;font-weight:700;font-size:.95rem;border:2px solid transparent;cursor:pointer;transition:transform .25s var(--t),background .25s var(--t),color .25s var(--t)}
.btn:hover{transform:translateY(-2px)}
.btn--solid{background:var(--azul-800);color:#fff}
.btn--solid:hover{background:var(--azul-900)}
.btn--ghost{background:rgba(255,255,255,.96);color:var(--azul-900)}
.btn--nav{background:#fff;color:var(--azul-900)!important;text-shadow:none!important;padding:.6rem 1.15rem}
.nav.is-solid .btn--nav{background:var(--azul-800);color:#fff!important}
.burger{display:none;background:none;border:0;padding:.4rem;flex-direction:column;gap:5px;cursor:pointer}
.burger span{width:26px;height:2px;background:#fff;display:block;transition:.3s var(--t)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* HERO sticky + video */
.hero{height:190vh;position:relative}
.hero__sticky{position:sticky;top:0;height:100vh;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero__video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.06)}
.hero__scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,32,54,.78),rgba(6,42,77,.55) 45%,rgba(6,42,77,.85))}
.hero__content{position:relative;z-index:2;max-width:900px;padding:0 1.5rem;text-align:center;color:#fff;will-change:transform,opacity}
.hero__content h1{color:#fff;text-shadow:0 6px 34px rgba(3,20,36,.65);margin:.7rem 0 1.1rem}
.hero__content .eyebrow{color:#dceafa}
.hero__lead{font-size:clamp(1rem,1.7vw,1.25rem);color:#eef5fc;max-width:620px;margin:0 auto 2rem;text-shadow:0 2px 18px rgba(3,20,36,.6)}
.hero__cta{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap}
.hero__scroll{position:absolute;bottom:1.8rem;left:50%;transform:translateX(-50%);color:#fff;font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:.5rem;z-index:2;text-shadow:0 2px 12px rgba(3,20,36,.8)}
.hero__scroll span{width:1px;height:38px;background:#fff;animation:drop 1.8s infinite}
@keyframes drop{0%{transform:scaleY(.2);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(.2);transform-origin:bottom}}

/* Secciones */
.section{max-width:var(--max);margin:0 auto;padding:clamp(4rem,9vw,7.5rem) 1.25rem}
.section__head{max-width:640px;margin-bottom:2.6rem}
.section__head h2{margin-top:.5rem}

.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.split__media{position:relative}
.split__media img{width:100%;border-radius:var(--radio);box-shadow:var(--sombra);object-fit:cover;aspect-ratio:4/5}
.badge{position:absolute;right:-10px;bottom:24px;background:var(--azul-900);color:#fff;padding:1rem 1.3rem;border-radius:14px;display:flex;flex-direction:column;box-shadow:var(--sombra)}
.badge strong{font-family:"Fraunces",serif;font-size:1.7rem;line-height:1}
.badge span{font-size:.78rem;letter-spacing:.05em;max-width:150px}
.split__text p{color:var(--gris);margin-top:1rem;font-size:1.05rem}
.split__text h2{margin-top:.5rem}
.facts{list-style:none;margin-top:2rem;display:grid;gap:.8rem}
.facts li{display:flex;flex-direction:column;border-left:3px solid var(--azul-500);padding-left:1rem}
.facts strong{color:var(--azul-900);font-size:.95rem}
.facts span{color:var(--gris);font-size:.92rem}

.strip{position:relative;overflow:hidden;isolation:isolate}
.strip__bg,.quote__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.strip::after,.quote::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(6,42,77,.94),rgba(18,85,143,.86));z-index:-1}
.strip__inner{max-width:var(--max);margin:0 auto;padding:3.5rem 1.25rem;display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;text-align:center;color:#fff}
.strip__inner strong{display:block;font-family:"Fraunces",serif;font-size:clamp(1.8rem,3.4vw,2.6rem)}
.strip__inner span{font-size:.9rem;color:#e4eff9}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}
.card{background:var(--blanco);border:1px solid var(--azul-100);border-radius:var(--radio);overflow:hidden;box-shadow:0 10px 30px rgba(6,42,77,.08);transition:transform .4s var(--t),box-shadow .4s var(--t)}
.card:hover{transform:translateY(-8px);box-shadow:var(--sombra)}
.card img{width:100%;height:210px;object-fit:cover;transition:transform .6s var(--t)}
.card:hover img{transform:scale(1.06)}
.card__body{padding:1.3rem 1.3rem 1.6rem}
.card__body p{color:var(--gris);margin:.6rem 0 1rem;font-size:.97rem}
.tag{display:inline-block;background:var(--azul-100);color:var(--azul-800);font-size:.75rem;font-weight:700;letter-spacing:.06em;padding:.35rem .75rem;border-radius:999px}

.proceso{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.steps{list-style:none;counter-reset:s;margin-top:2rem;display:grid;gap:1.3rem}
.steps li{counter-increment:s;display:flex;flex-direction:column;padding-left:3.2rem;position:relative}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:0;font-family:"Fraunces",serif;font-size:1.1rem;color:#fff;background:var(--azul-800);width:2.2rem;height:2.2rem;border-radius:50%;display:grid;place-items:center}
.steps strong{color:var(--azul-900)}
.steps span{color:var(--gris);font-size:.97rem}
.proceso__media img{width:100%;border-radius:var(--radio);box-shadow:var(--sombra);aspect-ratio:4/3;object-fit:cover}

.quote{position:relative;overflow:hidden;isolation:isolate}
.quote__inner{max-width:var(--max);margin:0 auto;padding:clamp(3.5rem,8vw,6rem) 1.25rem;color:#fff}
.quote .eyebrow{color:#cfe3f7}
.quotes{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem;margin-top:2rem}
.quotes blockquote{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(6px);padding:1.6rem;border-radius:var(--radio)}
.quotes p{font-family:"Fraunces",serif;font-size:1.12rem;line-height:1.5;color:#fff}
.quotes cite{display:block;margin-top:1rem;font-style:normal;font-size:.85rem;color:#dcebf9;letter-spacing:.06em}

.contacto{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.contacto p{color:var(--gris);margin-top:1rem}
.datos{list-style:none;margin-top:2rem;display:grid;gap:.9rem}
.datos li{display:flex;flex-direction:column;background:var(--azul-050);border-radius:12px;padding:.85rem 1.1rem}
.datos strong{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:var(--azul-700)}
.datos span{color:var(--tinta)}
.form{background:var(--azul-050);border:1px solid var(--azul-100);border-radius:var(--radio);padding:1.8rem;display:grid;gap:1rem;box-shadow:var(--sombra)}
.form label{display:grid;gap:.4rem;font-size:.85rem;font-weight:700;color:var(--azul-900);text-transform:uppercase;letter-spacing:.08em}
.form input,.form textarea{font:inherit;text-transform:none;letter-spacing:normal;font-weight:400;color:var(--tinta);background:#fff;border:1.5px solid var(--azul-100);border-radius:12px;padding:.8rem .95rem;transition:border-color .25s var(--t),box-shadow .25s var(--t)}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--azul-500);box-shadow:0 0 0 4px rgba(30,123,196,.16)}
.form .check{display:flex;align-items:center;gap:.6rem;text-transform:none;letter-spacing:normal;font-weight:500;font-size:.88rem;color:var(--gris)}
.form .check input{width:18px;height:18px}
.form__msg{font-size:.9rem;font-weight:600;color:var(--azul-800);min-height:1.2em;text-transform:none;letter-spacing:normal}

.footer{background:var(--azul-900);color:#fff}
.footer__inner{max-width:var(--max);margin:0 auto;padding:2.5rem 1.25rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.9rem;color:#dbeafb}

/* Motion */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--t),transform .8s var(--t)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero__scroll span{animation:none}
  html{scroll-behavior:auto}
}

@media (max-width:900px){
  .split,.proceso,.contacto{grid-template-columns:1fr}
  .proceso__media{order:-1}
  .strip__inner{grid-template-columns:repeat(2,1fr)}
  .hero{height:150vh}
  .burger{display:flex}
  .nav__links{position:fixed;inset:0 0 auto 0;top:0;padding:5.5rem 1.5rem 2rem;background:var(--azul-900);flex-direction:column;align-items:flex-start;gap:1.2rem;transform:translateY(-100%);transition:transform .45s var(--t)}
  .nav__links.is-open{transform:translateY(0)}
  .nav__links a{color:#fff!important;text-shadow:none;font-size:1.15rem}
  .nav.is-solid .btn--nav,.btn--nav{background:#fff;color:var(--azul-900)!important}
  .badge{right:12px}
}
@media (max-width:520px){
  .strip__inner{grid-template-columns:1fr;gap:1.4rem}
  .hero__cta{flex-direction:column}
  .btn{width:100%}
}