:root{
  --navy:#0A2342;--navy-2:#0F2F57;--navy-3:#06172C;--gold:#C9962B;--gold-2:#E0B354;
  --ink:#16202E;--muted:#5B6676;--line:#E3E7ED;--bg:#FFFFFF;--soft:#F4F6F9;
  --radius:14px;--shadow:0 10px 30px rgba(10,35,66,.10);
  --font-h:'Montserrat',system-ui,sans-serif;--font-b:'Inter',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-b);color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--font-h);line-height:1.15;margin:0 0 .5em;color:var(--navy)}
h1{font-size:clamp(2rem,4.6vw,3.4rem);font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;letter-spacing:-.01em}
h3{font-size:1.15rem;font-weight:700}
p{margin:0 0 1em}
.wrap{width:min(1180px,100% - 32px);margin-inline:auto}
.section{padding:clamp(56px,8vw,96px) 0}
.section.soft{background:var(--soft)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-h);font-weight:700;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--gold)}
.lead{font-size:1.12rem;color:var(--muted);max-width:720px}
.center{text-align:center}.center .lead{margin-inline:auto}.center .eyebrow{justify-content:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 24px;border-radius:999px;font-family:var(--font-h);font-weight:700;font-size:.95rem;text-decoration:none;border:2px solid transparent;transition:.2s;cursor:pointer}
.btn-gold{background:var(--gold);color:#fff}.btn-gold:hover{background:#b5841f}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-navy{background:var(--navy);color:#fff}.btn-navy:hover{background:var(--navy-2)}
.btn svg{width:18px;height:18px}

/* topbar + header */
.topbar{background:var(--navy-3);color:#C8D3E3;font-size:.82rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding:8px 0;flex-wrap:wrap}
.topbar a{text-decoration:none;color:#fff;font-weight:600}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-mark{width:44px;height:44px;border-radius:10px;background:var(--navy);display:grid;place-items:center;flex:none}
.brand-mark svg{width:28px;height:28px}
.brand-text b{display:block;font-family:var(--font-h);font-weight:800;font-size:1.25rem;letter-spacing:.04em;color:var(--navy);line-height:1}
.brand-text span{display:block;font-family:var(--font-h);font-size:.66rem;letter-spacing:.32em;color:var(--gold);font-weight:700;margin-top:4px}
.nav{display:flex;align-items:center;gap:4px}
.nav>a,.nav .dd>button{font-family:var(--font-h);font-weight:600;font-size:.9rem;color:var(--navy);text-decoration:none;padding:10px 12px;border-radius:8px;background:none;border:0;cursor:pointer;display:flex;align-items:center;gap:6px}
.nav>a:hover,.nav .dd>button:hover,.nav a.active{color:var(--gold)}
.nav .dd{position:relative}
.nav .dd-menu{position:absolute;top:100%;left:0;min-width:240px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;display:none}
.nav .dd:hover .dd-menu,.nav .dd:focus-within .dd-menu{display:block}
.nav .dd-menu a{display:block;padding:10px 12px;border-radius:8px;text-decoration:none;font-weight:600;font-size:.9rem;color:var(--navy)}
.nav .dd-menu a:hover{background:var(--soft);color:var(--gold)}
.nav .btn{margin-left:8px;padding:11px 18px}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer}
.burger span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0;transition:.2s}
@media (max-width:1020px){
  .burger{display:block}
  .nav{position:fixed;inset:76px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 16px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none;max-height:calc(100vh - 76px);overflow:auto}
  .nav.open{display:flex}
  .nav .dd-menu{position:static;display:block;box-shadow:none;border:0;padding:0 0 0 12px}
  .nav .dd>button{display:none}
  .nav .btn{margin:10px 0 0}
}

/* hero */
.hero{position:relative;background:radial-gradient(1200px 600px at 85% 20%,#163E6E 0%,transparent 60%),linear-gradient(160deg,var(--navy) 0%,var(--navy-3) 100%);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(180deg,#000 30%,transparent)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding:clamp(56px,9vw,110px) 0 clamp(48px,7vw,80px)}
.hero h1{color:#fff}
.hero h1 em{font-style:normal;color:var(--gold-2)}
.hero .lead{color:#C8D3E3}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero-art{position:relative;aspect-ratio:1/1.05}
.hero-art svg{width:100%;height:100%}
.blade{transform-origin:200px 150px;animation:spin 9s linear infinite}
.blade.b2{transform-origin:330px 220px;animation-duration:12s}
.blade.b3{transform-origin:95px 250px;animation-duration:14s}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.blade{animation:none}}
.stats{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.12);border-top:1px solid rgba(255,255,255,.12)}
.stat{background:var(--navy-3);padding:26px 22px}
.stat b{display:block;font-family:var(--font-h);font-size:clamp(1.8rem,3.4vw,2.6rem);color:var(--gold-2);font-weight:800;line-height:1}
.stat span{display:block;color:#AFC0D6;font-size:.88rem;margin-top:8px}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr}.hero-art{max-width:420px;margin:0 auto;aspect-ratio:1/.8}.stats{grid-template-columns:repeat(2,1fr)}}

/* normas */
.normas{background:#fff;border-bottom:1px solid var(--line)}
.normas .wrap{display:flex;align-items:center;gap:22px;padding:20px 0;overflow-x:auto;scrollbar-width:none}
.normas small{font-family:var(--font-h);font-weight:700;font-size:.72rem;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;white-space:nowrap}
.normas span{font-family:var(--font-h);font-weight:800;color:var(--navy);white-space:nowrap;font-size:.95rem;padding:6px 14px;border:1px solid var(--line);border-radius:999px}

/* page hero */
.page-hero{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-3) 100%);color:#fff;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border:60px solid rgba(201,150,43,.12);border-radius:50%}
.page-hero .wrap{position:relative;padding:clamp(48px,7vw,84px) 0}
.page-hero h1{color:#fff;max-width:820px}
.page-hero .lead{color:#C8D3E3}
.crumbs{font-size:.82rem;color:#9FB2CB;margin-bottom:16px}
.crumbs a{color:#fff;text-decoration:none}

/* grids & cards */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:960px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.25s}
.card:hover{border-color:transparent;box-shadow:var(--shadow);transform:translateY(-3px)}
.card p{color:var(--muted);margin:0;font-size:.95rem}
.card .ico{width:48px;height:48px;border-radius:12px;background:rgba(201,150,43,.12);display:grid;place-items:center;margin-bottom:16px;color:var(--gold)}
.card .ico svg{width:24px;height:24px}
.card .more{display:inline-block;margin-top:16px;font-family:var(--font-h);font-weight:700;font-size:.88rem;color:var(--navy);text-decoration:none}
.card .more:hover{color:var(--gold)}
.svc-card{display:flex;flex-direction:column}
.svc-card ul{margin:10px 0 0;padding:0;list-style:none;color:var(--muted);font-size:.92rem}
.svc-card li{padding:4px 0 4px 18px;position:relative}
.svc-card li::before{content:"";position:absolute;left:0;top:13px;width:8px;height:2px;background:var(--gold)}

.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:32px}}

/* tabela de ensaios */
.tests{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.test{display:grid;grid-template-columns:56px 1fr 1.3fr;gap:16px;padding:18px 22px;border-top:1px solid var(--line);align-items:start}
.test:first-child{border-top:0}
.test .n{font-family:var(--font-h);font-weight:800;color:var(--gold);font-size:1.05rem}
.test b{font-family:var(--font-h);color:var(--navy);font-size:.98rem}
.test span{color:var(--muted);font-size:.94rem}
@media (max-width:700px){.test{grid-template-columns:40px 1fr}.test span{grid-column:2}}

/* eólica premium */
.dark{background:linear-gradient(170deg,var(--navy) 0%,var(--navy-3) 100%);color:#fff;position:relative;overflow:hidden}
.dark h2,.dark h3{color:#fff}
.dark .lead{color:#C8D3E3}
.glass{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:26px;backdrop-filter:blur(6px);transition:.25s}
.glass:hover{background:rgba(255,255,255,.08);border-color:rgba(224,179,84,.5)}
.glass .step{font-family:var(--font-h);font-weight:800;font-size:.8rem;letter-spacing:.14em;color:var(--gold-2)}
.glass p{color:#AFC0D6;font-size:.94rem;margin:.4em 0 .8em}
.glass ul{margin:0;padding:0;list-style:none;font-size:.92rem;color:#E4EAF3}
.glass li{padding:5px 0 5px 22px;position:relative}
.glass li::before{content:"";position:absolute;left:0;top:11px;width:10px;height:10px;border:2px solid var(--gold-2);border-radius:50%}
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.why div{border-left:3px solid var(--gold);padding:4px 0 4px 18px}
.why b{display:block;font-family:var(--font-h);color:#fff;font-size:1rem;margin-bottom:6px}
.why span{color:#AFC0D6;font-size:.9rem}
@media (max-width:900px){.why{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.why{grid-template-columns:1fr}}

/* obras */
.obra{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.obra .thumb{aspect-ratio:16/10;background:linear-gradient(135deg,#0F2F57,#0A2342);position:relative;display:grid;place-items:center;color:rgba(255,255,255,.35)}
.obra .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.obra .thumb svg{width:56px;height:56px}
.obra .tag{position:absolute;top:12px;left:12px;background:var(--gold);color:#fff;font-family:var(--font-h);font-weight:700;font-size:.72rem;padding:5px 10px;border-radius:999px;z-index:1}
.obra .tag.on{background:#1F9D6B}
.obra .body{padding:20px 22px 22px}
.obra .loc{font-size:.85rem;color:var(--gold);font-weight:600;margin-bottom:6px}
.obra p{color:var(--muted);font-size:.92rem;margin:0}

/* galeria */
.filters{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin:0 0 36px}
.filters button{font-family:var(--font-h);font-weight:700;font-size:.85rem;padding:10px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--navy);cursor:pointer}
.filters button.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.gal-block{margin-bottom:48px}
.gal-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;border-bottom:2px solid var(--line);padding-bottom:10px;margin-bottom:16px;flex-wrap:wrap}
.gal-head h3{margin:0;font-size:1.3rem}
.gal-head span{color:var(--gold);font-weight:600;font-size:.9rem}
.gal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.gal-grid.big>*:first-child{grid-column:span 2;grid-row:span 2}
@media (max-width:800px){.gal-grid{grid-template-columns:repeat(2,1fr)}}
.ph{aspect-ratio:4/3;border-radius:10px;overflow:hidden;background:var(--soft);border:1px dashed #C9D2DE;display:grid;place-items:center;color:#9AA7B8;position:relative;cursor:default}
.ph svg{width:30px;height:30px}
.ph.img{border:0;cursor:zoom-in;background:#000}
.ph.img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.ph.img:hover img{transform:scale(1.05);opacity:.9}
.gal-grid.big .ph{aspect-ratio:auto;min-height:150px}
.video{aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:var(--navy);display:grid;place-items:center;color:#AFC0D6;text-align:center;padding:20px}
.video iframe,.video video{width:100%;height:100%;border:0}
.lb{position:fixed;inset:0;background:rgba(3,10,20,.94);z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.lb.open{display:flex}
.lb img{max-width:min(1200px,100%);max-height:84vh;border-radius:8px}
.lb .cap{position:absolute;bottom:20px;left:0;right:0;text-align:center;color:#C8D3E3;font-size:.9rem}
.lb button{position:absolute;background:rgba(255,255,255,.1);border:0;color:#fff;width:48px;height:48px;border-radius:50%;font-size:1.5rem;cursor:pointer}
.lb .x{top:16px;right:16px}.lb .pv{left:16px;top:50%}.lb .nx{right:16px;top:50%}

/* timeline */
.timeline{border-left:2px solid var(--line);margin-left:8px}
.tl{position:relative;padding:0 0 22px 26px}
.tl::before{content:"";position:absolute;left:-8px;top:4px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--gold)}
.tl b{font-family:var(--font-h);color:var(--navy)}
.tl span{display:block;color:var(--muted);font-size:.9rem}

/* parceiros */
.partners{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.partners span{font-family:var(--font-h);font-weight:800;color:var(--navy);padding:16px 26px;border:1px solid var(--line);border-radius:12px;background:#fff;letter-spacing:.02em}

/* faq */
.faq{max-width:860px;margin:0 auto}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{font-family:var(--font-h);font-weight:700;color:var(--navy);cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";color:var(--gold);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq p{color:var(--muted);margin:12px 0 0}

/* cta band */
.cta{background:var(--gold);color:#fff}
.cta .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:44px 0;flex-wrap:wrap}
.cta h2{color:#fff;margin:0;font-size:clamp(1.4rem,2.6vw,2rem)}
.cta p{margin:6px 0 0;color:#FFF6E3}
.cta .btn-navy{background:var(--navy-3)}

/* form */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.form label{display:block;font-family:var(--font-h);font-weight:700;font-size:.82rem;color:var(--navy);margin:0 0 6px}
.form input,.form select,.form textarea{width:100%;padding:13px 14px;border:1px solid #CFD6E0;border-radius:10px;font:inherit;margin-bottom:16px;background:#fff;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--gold);border-color:transparent}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:560px){.form .row{grid-template-columns:1fr}}
.form .btn{width:100%}
.contact-list{list-style:none;padding:0;margin:24px 0 0}
.contact-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.contact-list .ico{width:42px;height:42px;border-radius:10px;background:rgba(201,150,43,.12);color:var(--gold);display:grid;place-items:center;flex:none}
.contact-list .ico svg{width:20px;height:20px}
.contact-list b{display:block;font-family:var(--font-h);color:var(--navy);font-size:.88rem}
.contact-list a{color:var(--ink);text-decoration:none}

/* footer */
.footer{background:var(--navy-3);color:#AFC0D6;font-size:.92rem}
.footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding:60px 0 40px}
.footer h4{color:#fff;font-size:.9rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.footer a{color:#AFC0D6;text-decoration:none;display:block;padding:4px 0}
.footer a:hover{color:var(--gold-2)}
.footer .brand-text b{color:#fff}
.footer .bottom{border-top:1px solid rgba(255,255,255,.08)}
.footer .bottom .wrap{display:flex;justify-content:space-between;padding:20px 0;grid-template-columns:none;font-size:.82rem;flex-wrap:wrap;gap:10px}
@media (max-width:860px){.footer .wrap{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.footer .wrap{grid-template-columns:1fr}}

.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:60px;height:60px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.25);transition:.2s}
.wa-float:hover{transform:scale(1.06)}
.wa-float svg{width:32px;height:32px;fill:#fff}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}
.checks{list-style:none;padding:0;margin:20px 0 0}
.checks li{padding:8px 0 8px 32px;position:relative}
.checks li::before{content:"";position:absolute;left:0;top:11px;width:18px;height:18px;border-radius:50%;background:var(--gold) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat}
.panel{background:var(--navy);color:#fff;border-radius:20px;padding:36px;position:relative;overflow:hidden}
.panel h3{color:#fff}
.panel p{color:#C8D3E3}
.panel .big{font-family:var(--font-h);font-size:4rem;font-weight:800;color:var(--gold-2);line-height:1}

.hero .wrap.stats-wrap{display:block;padding:0}
.nav .btn-gold{background:var(--gold);color:#fff;padding:11px 18px}.nav .btn-gold:hover{background:#b5841f;color:#fff}
.stat b{white-space:nowrap}