:root{--navy:#313c50;--navy2:#1e2a3b;--navy3:#26303f;--ink:#1f2633;--muted:#5d6676;--silver:#b5b5bf;--line:#dfe2e8;--bg:#f4f5f7;--card:#ffffff;--wa:#1f9d55}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font-family:'Mulish',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:16.5px}
h1,h2,h3,.brand b,.btn,.tag,.price,nav.main a{font-family:'Jost','Mulish',sans-serif}
a{color:var(--navy)}
img{max-width:100%;display:block}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}

/* Header */
header.top{background:var(--navy2);color:#fff;position:sticky;top:0;z-index:10;border-bottom:1px solid rgba(255,255,255,.08)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{color:#fff;text-decoration:none;display:flex;align-items:center;gap:12px}
.brand img{width:38px;height:38px}
.brand span{display:flex;flex-direction:column;line-height:1.05}
.brand b{font-size:21px;font-weight:500;letter-spacing:3px}
.brand small{font-size:11px;color:var(--silver);letter-spacing:1.6px;text-transform:uppercase;margin-top:3px}
nav.main{display:flex;gap:22px;flex-wrap:wrap;align-items:center}
nav.main a{color:#e8eaf0;text-decoration:none;font-size:15px;letter-spacing:.3px}
nav.main a:hover{color:#fff;text-decoration:underline;text-underline-offset:6px;text-decoration-color:var(--silver)}
nav.main a.cta-nav{border:1px solid rgba(255,255,255,.45);padding:6px 14px;border-radius:6px}
nav.main a.cta-nav:hover{background:#fff;color:var(--navy2);text-decoration:none}
.menu-btn{display:none;background:none;border:1px solid rgba(255,255,255,.4);color:#fff;border-radius:6px;padding:7px 12px;font:inherit;font-size:14px;cursor:pointer}

/* Hero */
.hero{background:var(--navy);color:#fff;padding:84px 0 76px;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;right:-90px;top:50%;transform:translateY(-50%);width:520px;height:520px;background:url(img/isotipo-blanco-grande.png) center/contain no-repeat;opacity:.07;pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.eyebrow{font-family:'Jost',sans-serif;font-size:13px;letter-spacing:2.5px;text-transform:uppercase;color:var(--silver)}
.hero h1{font-size:clamp(30px,4.6vw,48px);line-height:1.12;max-width:760px;font-weight:500;margin-top:14px}
.hero p.lead{font-size:clamp(16px,2vw,19px);max-width:660px;margin-top:20px;color:#dfe3ea}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-block;padding:13px 24px;border-radius:7px;font-weight:500;text-decoration:none;font-size:16px;letter-spacing:.2px;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn.light{background:#fff;color:var(--navy2)}
.btn.line{border:1px solid rgba(255,255,255,.6);color:#fff}
.btn.line:hover{background:rgba(255,255,255,.08)}
.btn.navy{background:var(--navy);color:#fff}
.btn.navy:hover{background:var(--navy2)}
.creds{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.creds span{font-size:13px;color:#e8eaf0;border:1px solid rgba(255,255,255,.22);padding:6px 13px;border-radius:999px}

/* Sections */
section{padding:72px 0}
section.alt{background:#fff}
h2{font-size:clamp(26px,3.2vw,34px);color:var(--navy2);line-height:1.2;font-weight:500}
h2+p.sub,.sec-head+p.sub{color:var(--muted);margin-top:10px;max-width:720px}
.bar{width:44px;height:2px;background:var(--navy);margin-bottom:16px}
.grid{display:grid;gap:18px;margin-top:34px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px}
section.alt .card{background:var(--bg)}
.card h3{font-size:19px;color:var(--navy2);margin-bottom:8px;line-height:1.3;font-weight:500}
.card p,.card li{font-size:15.5px;color:#3b4452}
.card ul{padding-left:18px;margin-top:8px}
.card li{margin-top:3px}
.card .tag{display:inline-block;font-size:12px;font-weight:500;color:var(--muted);text-transform:uppercase;letter-spacing:1.2px;margin-bottom:8px}
.price{font-size:28px;font-weight:500;color:var(--navy2);margin:6px 0 4px}
.price small{font-size:13px;font-weight:400;color:var(--muted);font-family:'Mulish',sans-serif}
.note{font-size:13.5px;color:var(--muted);margin-top:18px}

/* Doors */
.doors{margin-top:-40px;position:relative;z-index:2;padding:0}
.doors .grid{margin-top:0}
.door{display:block;text-decoration:none;color:inherit;background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px 28px 26px;box-shadow:0 10px 30px rgba(30,42,59,.08);transition:border-color .15s,transform .15s}
.door:hover{border-color:var(--navy);transform:translateY(-2px)}
.door .tag{font-family:'Jost',sans-serif;font-size:12px;letter-spacing:1.4px;text-transform:uppercase;color:var(--muted)}
.door h3{font-size:24px;color:var(--navy2);font-weight:500;margin:6px 0 8px}
.door p{color:#3b4452;font-size:15.5px}
.door .go{display:inline-block;margin-top:14px;font-family:'Jost',sans-serif;font-weight:500;color:var(--navy)}

.door-ico{width:64px;height:64px;margin-bottom:14px}
.sec-head{display:flex;align-items:flex-end;gap:18px}
.sec-head+p.sub{margin-top:14px}
.sec-head img{width:58px;height:58px;flex:none}
.sec-head .bar{margin-bottom:12px}

/* Steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px}
.steps div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;position:relative;font-size:15.5px;color:#3b4452}
.steps div:before{counter-increment:s;content:counter(s);display:flex;width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;align-items:center;justify-content:center;font-family:'Jost',sans-serif;font-weight:500;margin-bottom:12px}
.steps b{color:var(--navy2);display:block;margin-bottom:4px}

/* Cases */
.case a{text-decoration:none;color:inherit;display:block;height:100%}
.case .card{height:100%;transition:border-color .15s,transform .15s}
.case .card:hover{border-color:var(--navy);transform:translateY(-2px)}
.case .more{color:var(--navy);font-family:'Jost',sans-serif;font-weight:500;font-size:15px;margin-top:12px;display:inline-block}

/* About */
.about{display:grid;grid-template-columns:1fr 1.4fr;gap:34px;align-items:start;margin-top:30px}
.about .box{background:var(--navy);color:#fff;border-radius:14px;padding:28px;position:relative;overflow:hidden}
.about .box:after{content:"";position:absolute;right:-40px;bottom:-40px;width:180px;height:180px;background:url(img/isotipo-blanco.png) center/contain no-repeat;opacity:.08}
.about .box h3{color:#fff;font-size:18px;font-weight:500;margin-bottom:12px}
.about .box li{font-size:15.5px;margin:7px 0 7px 18px;color:#e2e6ec}

/* Contact */
.contact{background:var(--navy2);color:#fff}
.contact h2{color:#fff}
.contact .bar{background:var(--silver)}
.contact .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.14);color:#fff}
.contact .card h3{color:#fff}
.contact .card p{color:#d6dbe3}
.contact a{color:#fff}

footer{background:#151e2b;color:#9aa3b2;font-size:13.5px;padding:28px 0}
footer .wrap{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:center}
footer a{color:#c9ced8}
footer .fbrand{display:flex;align-items:center;gap:10px}
footer .fbrand img{width:24px;height:24px;opacity:.85}
.wa{position:fixed;right:18px;bottom:18px;background:var(--wa);color:#fff;text-decoration:none;font-weight:600;padding:12px 18px;border-radius:999px;box-shadow:0 6px 18px rgba(0,0,0,.22);font-size:14.5px;z-index:20}

/* Inner pages */
.prose{max-width:780px}
.prose h2{margin-top:38px;font-size:26px}
.prose h2:first-child{margin-top:0}
.prose h3{color:var(--navy2);margin-top:24px;font-size:19px;font-weight:500}
.prose p,.prose li{margin-top:10px;color:#3b4452}
.prose ul{padding-left:20px}
.page-hero{background:var(--navy);color:#fff;padding:56px 0;position:relative;overflow:hidden}
.page-hero:after{content:"";position:absolute;right:-60px;top:50%;transform:translateY(-50%);width:340px;height:340px;background:url(img/isotipo-blanco-grande.png) center/contain no-repeat;opacity:.07}
.page-hero .wrap{position:relative;z-index:1}
.page-hero h1{font-size:clamp(28px,4vw,40px);line-height:1.18;font-weight:500}
.page-hero p{color:#dfe3ea;margin-top:12px;max-width:680px}

@media (max-width:900px){.g3,.g4,.steps{grid-template-columns:1fr 1fr}.about{grid-template-columns:1fr}}
@media (max-width:860px){
 nav.main{display:none;position:absolute;top:68px;left:0;right:0;background:var(--navy2);flex-direction:column;align-items:flex-start;padding:14px 20px 20px;gap:14px;border-bottom:1px solid rgba(255,255,255,.1)}
 nav.main.open{display:flex}
 .menu-btn{display:block}
}
@media (max-width:640px){
 .g2,.g3,.g4,.steps{grid-template-columns:1fr}
 section{padding:52px 0}
 .hero{padding:60px 0 72px}
 .hero:after{width:320px;height:320px;right:-120px}
 .doors{margin-top:-36px}
}