:root{--y:#ffd000;--ink:#11120f;--dark:#272825;--muted:#676962;--paper:#f4f4f0}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:Arial,sans-serif}
.container{width:min(1320px,calc(100% - 40px));margin:auto}
a{text-decoration:none;color:inherit}
.nav{position:fixed;inset:0 0 auto;z-index:50;background:#fffffff0;border-bottom:1px solid #ddd}
.nav-inner{height:74px;display:flex;align-items:center;justify-content:space-between}
.brand{font-size:22px;font-weight:900}
.nav nav{display:flex;align-items:center;gap:28px;font-weight:700}
.pill,.button{display:inline-flex;padding:17px 24px;border-radius:14px;background:var(--ink);color:#fff!important;font-weight:800}
.hero{position:relative;height:850px;margin-top:74px;background:var(--y);overflow:hidden}
.hero-bg{position:absolute;inset:0;background:var(--ink) url("assets/images/hero/engenheiro-v4-wide.webp") center/cover no-repeat}
.hero-content{position:relative;z-index:2;padding-top:80px}
.kicker{display:inline-block;margin-bottom:18px;text-transform:uppercase;font-size:12px;font-weight:900;letter-spacing:2px}
.hero h1{max-width:760px;margin:0;font-size:clamp(46px,4.8vw,78px);line-height:.96;letter-spacing:-4px;text-transform:uppercase;font-weight:900}
.hero h1 em{font-style:normal;color:#fff;text-shadow:2px 2px var(--ink)}
.hero p{max-width:690px;font-size:20px;line-height:1.65}
.hero-actions{display:flex;align-items:center;gap:22px;margin-top:25px;font-weight:800}
.proof{display:flex;gap:50px;margin-top:45px;padding-top:20px;border-top:1px solid #0004}
.proof span{display:flex;flex-direction:column}
.section{padding:110px 0}
.section h2{font-size:clamp(38px,4vw,66px);line-height:1.02;letter-spacing:-3px;font-weight:900}
.lead{color:var(--muted)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px}
.problem-list{margin-top:45px}
.problem{position:sticky;top:95px;display:grid;grid-template-columns:145px 1fr;gap:22px;min-height:220px;margin-bottom:16px;padding:12px;background:var(--paper);border-radius:24px;box-shadow:0 15px 35px #0001}
.problem img{width:100%;height:195px;object-fit:cover;border-radius:18px}
.problem h3{font-size:23px;font-weight:900}
.problem b{color:#aa8700}
.video{position:sticky;top:110px;height:max-content;padding-top:160px}
.video iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:24px;box-shadow:0 25px 60px #0003}
.video p{color:var(--muted)}
.method{background:var(--y)}
.method h2{font-size:clamp(34px,3.2vw,52px);line-height:1.05;letter-spacing:-2px}
.method-layout{display:grid;grid-template-columns:.9fr 1.2fr;gap:70px;align-items:center}
.method-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.method-cards article{height:270px;padding:20px;border-radius:18px;background:#2e2f2c;color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;transition:.25s}
.method-cards article:hover{transform:translateY(-10px) rotate(-2deg);box-shadow:0 20px 38px #0005}
.method-cards article:nth-child(even):hover{transform:translateY(-10px) rotate(2deg)}
.center{text-align:center}
.protocol{background:#20211f;color:#fff}
.protocol-grid{display:grid;grid-template-columns:1.05fr .75fr .4fr;min-height:650px;background:#333432;border-radius:30px;overflow:hidden}
.protocol-grid>div:first-child{padding:50px}
.protocol h2{font-size:48px}
.protocol p{color:#fffc;line-height:1.6}
.benefits{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.benefits li{position:relative;padding:13px 13px 13px 38px;border:1px dashed #fff4;border-radius:9px}
.benefits li::before{content:"";position:absolute;left:15px;top:50%;width:8px;height:8px;border-radius:50%;background:var(--y);transform:translateY(-50%)}
.portrait{overflow:hidden}
.portrait img{width:100%;height:100%;object-fit:cover;object-position:76% center;filter:brightness(.7);transform:scale(1.1)}
.stats{display:flex;flex-direction:column;justify-content:center;gap:15px;padding:20px}
.stats article{height:145px;border-radius:18px;background:linear-gradient(135deg,var(--y),#9d8428);color:var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.stats b{min-width:150px;font-size:50px;font-variant-numeric:tabular-nums}
.stats span{text-transform:uppercase;font-size:11px;font-weight:800}
.section-head{max-width:770px;margin:0 auto 50px;text-align:center}
.section-head p{color:var(--muted);font-size:18px}
.case-row{display:flex;height:560px;border-radius:28px;overflow:hidden;background:#142235;box-shadow:0 25px 60px #0003}
.case{position:relative;flex:1;min-width:0;overflow:hidden;transition:flex .55s;cursor:pointer}
.case.active,.case:hover,.case:focus{flex:4.2;outline:0}
.case-row:has(.case:hover) .case.active:not(:hover){flex:1}
.case img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.8)}
.case:after{content:"";position:absolute;inset:0;background:linear-gradient(#07132022,#071320dd)}
.case-info{position:absolute;z-index:2;bottom:18px;left:18px;color:var(--y);display:flex;flex-direction:column}
.case-info b{font-size:58px;line-height:.9}
.detail{position:absolute;z-index:3;inset:30px 25px 90px 35%;display:flex;flex-direction:column;justify-content:space-between;align-items:flex-end;text-align:right;color:#fff;opacity:0;transition:.3s}
.case.active .detail,.case:hover .detail,.case:focus .detail{opacity:1}
.case-row:has(.case:hover) .case.active:not(:hover) .detail{opacity:0}
.detail strong{color:var(--y)}
.case-caption{text-align:center;margin-top:28px;color:var(--muted)}
.process{background:#f8f8f5}
footer{padding:60px 0;background:var(--ink);color:#fff}
footer p{color:#fff8}
.whatsapp{position:fixed;right:22px;bottom:22px;width:58px;height:58px;border:4px solid #fff;border-radius:50%;display:grid;place-items:center;background:#20c76c;color:#fff;font-size:26px;z-index:60}

@media(max-width:990px){.nav nav a:not(.pill){display:none}
.hero{height:760px}
.hero h1{max-width:650px;font-size:clamp(44px,7vw,62px);letter-spacing:-3px}
.method h2{font-size:clamp(34px,5.8vw,48px)}
.hero-bg{opacity:.3;background-position:78% bottom;background-size:auto 90%}
.split,.method-layout{grid-template-columns:1fr}
.video{position:relative;top:auto;padding-top:0}
.protocol-grid{grid-template-columns:1fr 1fr}
.stats{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr)}
.case-row{height:500px}
}

@media(max-width:700px){.container{width:min(100% - 24px,1320px)}
.nav nav .pill{padding:12px;font-size:12px}
.hero{height:800px}
.hero h1{font-size:48px;letter-spacing:-3px}
.hero p{font-size:16px}
.hero-actions,.proof{flex-direction:column;align-items:flex-start;gap:15px}
.section{padding:70px 0}
.problem{grid-template-columns:95px 1fr}
.problem img{height:180px}
.problem h3{font-size:18px}
.problem p{font-size:13px}
.method-cards{grid-template-columns:1fr 1fr}
.protocol-grid{display:block}
.protocol-grid>div:first-child{padding:25px}
.portrait{height:420px}
.stats{display:grid;grid-template-columns:1fr}
.case-row{display:grid;height:auto;gap:15px;background:none;box-shadow:none;overflow:visible}
.case,.case.active,.case:hover,.case:focus{min-height:430px;border-radius:22px}
.detail{opacity:1}
}