:root{--navy:#12344a;--deep:#071a2a;--blue:#00aeef;--gold:#c9a227;--white:#fff;--soft:#f4f7f9;--line:#dce4e9;--text:#222831;--muted:#667680;--green:#35b76f}
    *{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}body{margin:0;color:var(--text);background:var(--white);font-family:"Source Sans 3",sans-serif}h1,h2,h3{font-family:Sora,sans-serif;letter-spacing:0}a{color:inherit}.inner{width:min(1380px,calc(100% - 60px));margin:auto}.section{padding:82px 0}.soft{background:var(--soft)}.skip-link{position:fixed;z-index:100;top:10px;left:10px;padding:10px 14px;transform:translateY(-160%);border-radius:5px;color:#fff;background:var(--navy)}.skip-link:focus{transform:none}
    .topbar{position:sticky;z-index:20;top:0;border-bottom:1px solid rgba(18,52,74,.12);background:rgba(255,255,255,.96);backdrop-filter:blur(12px)}.nav{position:relative;min-height:72px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;margin-right:auto;text-decoration:none}.brand img{display:block;width:150px;height:auto}.links{display:flex;gap:22px}.links a{text-decoration:none;color:var(--navy);font-weight:600}.langs{display:flex;padding:3px;border:1px solid var(--line);border-radius:6px}.langs button{border:0;padding:6px 8px;color:var(--muted);background:transparent;font:700 12px "Source Sans 3",sans-serif;cursor:pointer}.langs .active{color:#fff;border-radius:4px;background:var(--navy)}.menu-toggle{display:none;width:42px;height:42px;padding:9px;border:1px solid var(--line);border-radius:6px;background:#fff}.menu-toggle span{display:block;height:2px;margin:4px 0;background:var(--navy)}
    .hero{position:relative;min-height:680px;display:grid;align-items:end;overflow:hidden;color:#fff;background:var(--deep)}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,26,42,.94) 0%,rgba(7,26,42,.68) 44%,rgba(7,26,42,.12) 78%),url("../assets/hero-residencial.webp") center/cover no-repeat}.hero-content{position:relative;z-index:1;max-width:760px;padding:110px 0 78px}.eyebrow{display:flex;align-items:center;gap:10px;color:var(--gold);font-size:13px;font-weight:700;text-transform:uppercase}.eyebrow:before{content:"";width:38px;height:3px;background:var(--gold)}h1{max-width:720px;margin:16px 0 18px;font-size:clamp(46px,6vw,78px);line-height:1.03}.hero p{max-width:620px;margin:0 0 28px;color:#d5e0e6;font-size:21px;line-height:1.45}.actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:6px;text-decoration:none;font-weight:700}.btn-primary{color:#fff;background:var(--blue)}.btn-secondary{border:1px solid rgba(255,255,255,.45);color:#fff;background:rgba(7,26,42,.35)}
    .heading{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:end;margin-bottom:32px}.heading h2{margin:12px 0 0;color:var(--navy);font-size:clamp(34px,4vw,54px);line-height:1.08}.heading>p{margin:0;color:var(--muted);font-size:19px;line-height:1.5}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.problem{overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#fff}.problem img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;background:#eaf0f3}.problem div{padding:21px}.problem h3{margin:0 0 8px;color:var(--navy);font-size:18px}.problem p{margin:0;color:var(--muted);line-height:1.42}
    .solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.solution{overflow:hidden;border-top:4px solid var(--blue);border-radius:6px;background:#fff;box-shadow:0 12px 34px rgba(18,52,74,.08)}.solution:nth-child(2){border-top-color:var(--gold)}.solution-image{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}.solution-content{padding:22px 28px 28px}.solution h3{margin:16px 0 8px;color:var(--navy)}.solution p{margin:0;color:var(--muted);line-height:1.5}.icon{display:grid;place-items:center;width:46px;height:46px;border-radius:6px;color:var(--blue);background:#e8f7fe;font-size:21px;font-weight:700}.systems-note{padding:20px 22px;border-left:4px solid var(--gold);border-radius:6px;color:#fff;background:var(--navy);box-shadow:0 12px 28px rgba(18,52,74,.15)}.systems-note p{position:relative;margin:0;padding-left:20px;color:#d8e4ea;font-size:16px;line-height:1.4}.systems-note p+ p{margin-top:10px}.systems-note p:before{content:"";position:absolute;left:0;top:.55em;width:8px;height:8px;border-radius:50%;background:var(--gold)}.systems-note p:first-child{padding-left:0;color:#fff;font-size:18px;font-weight:700}.systems-note p:first-child:before{display:none}
.systems{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.system{position:relative;min-height:510px;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;border-radius:8px;color:#fff;background:var(--deep);box-shadow:0 20px 44px rgba(18,52,74,.20)}.system-photo{position:absolute;inset:0;z-index:0;width:100%;height:100%;object-fit:cover;display:block;transform:scale(1.01)}.system:before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(3,15,24,.72) 0%,rgba(7,26,42,.18) 28%,rgba(7,26,42,.40) 56%,rgba(7,26,42,.98) 82%);pointer-events:none}.system-body{position:relative;z-index:2;padding:22px}.system-head{position:absolute;z-index:2;top:20px;left:20px;right:20px;display:flex;justify-content:space-between;align-items:center}.system-name{font:700 17px Sora,sans-serif;text-shadow:0 2px 4px rgba(0,0,0,.95),0 0 2px #000}.level{color:var(--gold);letter-spacing:3px;text-shadow:0 1px 3px rgba(0,0,0,.95),0 0 2px #000}.system h3{margin:0 0 10px;font-size:23px;text-shadow:0 2px 4px rgba(0,0,0,.8)}.spec{display:flex;gap:9px;margin:14px 0}.spec span,.tag{padding:6px 9px;border:1px solid rgba(255,255,255,.34);border-radius:5px;background:rgba(3,15,24,.64);font-weight:700}.tags{display:flex;gap:6px;flex-wrap:wrap}.tag{font-size:12px;font-weight:600}
    .flow{display:grid;grid-template-columns:1fr 48px 1.15fr 48px 1fr;align-items:center;gap:8px;padding:24px;border:1px solid var(--line);border-radius:8px;background:#fff}.flow-node{min-height:295px;display:flex;flex-direction:column;justify-content:flex-start;overflow:hidden;padding:12px;text-align:center;border-radius:7px;color:var(--navy);background:var(--soft)}.flow-node img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:5px}.flow-node>div{padding:16px 8px 10px}.flow-node.central{color:#fff;background:var(--navy)}.flow-node strong{display:block;margin-bottom:7px;font-family:Sora,sans-serif;font-size:20px}.arrow{height:2px;background:var(--blue);position:relative}.arrow:after{content:"";position:absolute;right:-1px;top:-4px;border-width:5px 0 5px 8px;border-style:solid;border-color:transparent transparent transparent var(--blue)}.flow-note{margin:20px 0 0;color:var(--muted);text-align:center}
    .benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.benefit{min-height:390px;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#fff}.benefit-image{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}.benefit-content{padding:20px 24px 24px}.benefit h3{margin:16px 0 8px;color:var(--navy);font-size:18px}.benefit p{margin:0;color:var(--muted);line-height:1.45}
    .about{overflow:hidden;color:#fff;background:var(--navy)}.about-grid{display:grid;grid-template-columns:minmax(360px,.86fr) 1.14fr;gap:82px;align-items:center}.about-visual{position:relative;min-height:650px}.about-main{display:block;width:100%;height:650px;object-fit:cover;object-position:center 28%;border-radius:10px;box-shadow:0 28px 55px rgba(3,15,24,.35)}.about-copy{max-width:680px}.about-copy h2{margin:14px 0 24px;font-size:clamp(38px,4.5vw,62px);line-height:1.06}.about-copy>p{margin:0 0 18px;color:#d5e0e6;font-size:20px;line-height:1.55}.about-points{display:flex;gap:9px;flex-wrap:wrap;margin:28px 0}.about-points span{padding:8px 12px;border:1px solid rgba(255,255,255,.22);border-radius:99px;color:#fff;background:rgba(7,26,42,.28);font-weight:600}.about-cta{margin-top:2px}
    .whatsapp-float{position:fixed;z-index:40;right:24px;bottom:24px;display:grid;place-items:center;width:58px;height:58px;border-radius:50%;color:#fff;background:#25d366;box-shadow:0 10px 28px rgba(0,0,0,.28);transition:transform .18s ease,box-shadow .18s ease}.whatsapp-float:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(0,0,0,.32)}.whatsapp-float:focus-visible{outline:3px solid #fff;outline-offset:3px}.whatsapp-float svg{width:35px;height:35px;fill:currentColor}
    .support{color:#fff;background:var(--deep)}.support .heading h2{color:#fff}.support .heading>p{color:#bfd0da}.faq-contact{display:grid;grid-template-columns:1fr .88fr;gap:22px;align-items:start}.faq{display:grid;gap:9px}details{overflow:hidden;border:1px solid #315366;border-radius:7px;background:#0c2638}summary{position:relative;padding:18px 52px 18px 19px;cursor:pointer;list-style:none;font:600 15px Sora,sans-serif}summary:after{content:"+";position:absolute;right:19px;top:50%;transform:translateY(-50%);color:var(--blue);font:25px "Source Sans 3",sans-serif}details[open] summary:after{content:"−"}details p{margin:0;padding:0 19px 18px;color:#bfd0da;line-height:1.45}.contact{padding:25px;border-radius:8px;color:var(--text);background:#fff}.contact h3{margin:0;color:var(--navy);font-size:23px}.contact>p{color:var(--muted)}.contact-data{display:grid;gap:6px;padding:15px 0;border-block:1px solid var(--line)}.contact-data a,.contact-data span{color:var(--navy);text-decoration:none;font-weight:600}.contact-data a:hover{text-decoration:underline}form{display:grid;grid-template-columns:1fr 1fr;gap:11px;margin-top:18px}label{display:grid;gap:5px;color:var(--navy);font-size:13px;font-weight:700}.full,.submit{grid-column:1/-1}input,select,textarea{width:100%;padding:11px;border:1px solid #cbd7de;border-radius:5px;font:inherit}textarea{min-height:84px;resize:vertical}.submit{min-height:46px;border:0;border-radius:6px;color:#fff;background:var(--blue);font-weight:700;cursor:pointer}.footer{padding:28px 0;color:#b7c8d2;background:#04131f}.footer .inner{display:flex;align-items:center;justify-content:space-between;gap:20px}.instagram-link{display:inline-flex;align-items:center;gap:8px;color:#fff;text-decoration:none}.instagram-link svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7}.instagram-link:hover span{text-decoration:underline}
    @media(max-width:1080px){.menu-toggle{display:block}.links{position:absolute;top:calc(100% + 1px);left:0;right:0;display:none;flex-direction:column;gap:0;padding:10px;border:1px solid var(--line);border-top:0;border-radius:0 0 8px 8px;background:#fff;box-shadow:0 16px 30px rgba(18,52,74,.13)}.links.open{display:flex}.links a{padding:12px}.cards,.systems{grid-template-columns:1fr 1fr}.benefits{grid-template-columns:1fr 1fr}.flow{grid-template-columns:1fr}.arrow{width:2px;height:34px;margin:auto}.arrow:after{right:-4px;top:auto;bottom:-1px;border-width:8px 5px 0;border-color:var(--blue) transparent transparent}.heading,.faq-contact{grid-template-columns:1fr}.solution-grid{grid-template-columns:1fr}.about-grid{grid-template-columns:.9fr 1.1fr;gap:45px}.about-visual{min-height:570px}.about-main{height:570px}}
    @media(max-width:640px){.inner{width:min(100% - 36px,1380px)}.section{padding:58px 0}.nav{min-height:64px;gap:10px}.brand img{width:120px}.hero{min-height:610px}.hero:before{background:linear-gradient(90deg,rgba(7,26,42,.94),rgba(7,26,42,.58)),url("../assets/hero-residencial.webp") center/cover no-repeat}h1{font-size:43px}.hero p{font-size:18px}.cards,.systems,.benefits,form{grid-template-columns:1fr}.full,.submit{grid-column:auto}.flow{padding:18px}.about-grid{grid-template-columns:1fr;gap:42px}.about-visual{min-height:510px}.about-main{width:100%;height:510px}.about-copy>p{font-size:18px}.footer .inner{display:grid}.whatsapp-float{right:16px;bottom:16px;width:54px;height:54px}}
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}