@import url('https://fonts.googleapis.com/css2?family=Source+Sans+3:ital,wght@0,300;0,400;0,600;0,700;0,900;1,400;1,900&family=IBM+Plex+Mono:wght@400;500&display=swap');
:root{
 --azul:#00357B; --acc:#4E9BD8; --acc2:#7FC0F5; --acc3:#BFDCF8;
 --bg:#050D1B; --bg2:#08152C; --el:#0E1D3C; --ln:rgba(255,255,255,.11);
 --tx:#E8EFFA; --dim:#93A7C6; --max:1240px;
 --g:linear-gradient(118deg,#192E5E,#1A70AF);
}
:root[data-tema="claro"]{
 --bg:#F4F7FB; --bg2:#FFFFFF; --el:#FFFFFF; --ln:rgba(10,30,60,.12);
 --tx:#0B1B33; --dim:#53657F; --acc:#00357B; --acc2:#1A70AF; --acc3:#00357B;
}
*{box-sizing:border-box;margin:0;padding:0;min-width:0}
html{overflow-x:clip;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Source Sans 3',system-ui,sans-serif;background:var(--bg);color:var(--tx);
 overflow-x:clip;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;
 transition:background .5s,color .5s}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{letter-spacing:-.035em;line-height:1.04;font-weight:900}
h1{font-size:clamp(34px,6vw,70px)}
h2{font-size:clamp(27px,4.2vw,47px)}
h3{font-size:clamp(21px,2.6vw,29px)}
em{font-style:italic;color:var(--acc2)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 clamp(18px,4vw,42px)}
.mono{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase}
.olho{color:var(--acc2);display:block;margin-bottom:16px}
.sub{color:var(--dim);font-size:17.5px;font-weight:300;max-width:62ch;margin-top:18px}
section{position:relative}
.sec{padding:clamp(66px,9vw,118px) 0}
.sec.alt{background:var(--bg2)}

/* ---------- cursor (05) ---------- */
#cur{position:fixed;width:8px;height:8px;border-radius:50%;background:var(--acc2);pointer-events:none;
 z-index:9999;transform:translate(-50%,-50%);mix-blend-mode:screen}
#cur2{position:fixed;width:32px;height:32px;pointer-events:none;z-index:9998;transform:translate(-50%,-50%);
 border:1px solid rgba(127,192,245,.45);border-radius:50%;
 transition:width .3s,height .3s,border-radius .3s,background .3s,border-color .3s,opacity .3s}
body.cz #cur2{width:62px;height:62px;background:rgba(78,155,216,.13);border-color:var(--acc2)}
body.cmed #cur2{width:52px;height:52px;border-radius:3px;border-color:var(--acc2);background:transparent}
body.cmed #cur2::before,body.cmed #cur2::after{content:"";position:absolute;background:var(--acc2)}
body.cmed #cur2::before{left:50%;top:-8px;bottom:-8px;width:1px}
body.cmed #cur2::after{top:50%;left:-8px;right:-8px;height:1px}
@media(hover:none),(max-width:860px){#cur,#cur2{display:none!important}}

/* ---------- topo ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:900;transition:background .4s,backdrop-filter .4s,border-color .4s;
 border-bottom:1px solid transparent}
.nav.fix{background:rgba(5,13,27,.86);backdrop-filter:blur(16px);border-bottom-color:var(--ln)}
:root[data-tema="claro"] .nav.fix{background:rgba(244,247,251,.9)}
.navin{display:flex;align-items:center;gap:clamp(10px,1.3vw,20px);height:80px}
.nav img{height:48px!important;width:auto;flex:none;object-fit:contain}
.marca{display:block}
.mclaro{display:none}
:root[data-tema="claro"] .mescuro{display:none}
:root[data-tema="claro"] .mclaro{display:block}
.rod .marca img{height:44px!important;width:auto;flex:none;object-fit:contain;margin-bottom:18px}
.menu{display:flex;gap:clamp(9px,1.25vw,20px);margin-left:auto;align-items:center}
.menu a{font-size:14px;font-weight:600;color:var(--tx);opacity:.82;position:relative;padding:5px 0;white-space:nowrap}
.menu .btn{padding:11px 17px;font-size:13.5px}
.menu a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1.5px;background:var(--acc2);transition:right .35s}
.menu a:hover,.menu a.on{opacity:1}
.menu a:hover::after,.menu a.on::after{right:0}
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--acc);color:#04121F;padding:13px 24px;
 border-radius:11px;font-weight:700;font-size:14.5px;will-change:transform;transition:box-shadow .35s;white-space:nowrap}
.btn:hover{box-shadow:0 16px 36px rgba(78,155,216,.32)}
.btn.g{background:transparent;color:var(--tx);border:1px solid var(--ln)}
:root[data-tema="claro"] .btn{color:#fff}
:root[data-tema="claro"] .btn.g{color:var(--tx)}
.tema{width:36px;height:36px;border:1px solid var(--ln);border-radius:10px;display:grid;place-items:center;
 cursor:pointer;flex:none;font-size:15px;background:transparent;color:var(--tx)}
.burger{display:none;width:40px;height:40px;border:1px solid var(--ln);border-radius:10px;background:transparent;
 cursor:pointer;flex-direction:column;gap:4px;align-items:center;justify-content:center}
.burger i{width:17px;height:1.6px;background:var(--tx);display:block;transition:.3s}
@media(max-width:1060px){
 .burger{display:flex}
 .menu{position:fixed;inset:74px 0 auto;background:var(--bg);flex-direction:column;align-items:stretch;
  padding:16px clamp(18px,4vw,42px) 28px;gap:0;border-bottom:1px solid var(--ln);
  transform:translateY(-130%);transition:transform .45s cubic-bezier(.4,0,.2,1);margin:0}
 .menu.abre{transform:none}
 .menu a{padding:14px 0;border-bottom:1px solid var(--ln);font-size:16px}
 .menu .btn{margin-top:16px;justify-content:center;border-bottom:0}
}

/* ---------- hero ---------- */
.hero{position:relative;min-height:clamp(560px,92vh,880px);display:flex;align-items:flex-end;
 padding-bottom:clamp(54px,8vw,96px);padding-top:120px;overflow:hidden;background:#04101F}
#fibra{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:0}
.hero::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
 background:linear-gradient(180deg,rgba(4,16,31,.74) 0%,rgba(4,16,31,.12) 26%,rgba(4,16,31,.62) 52%,rgba(4,16,31,.9) 100%),
            linear-gradient(90deg,rgba(4,16,31,.6) 0%,rgba(4,16,31,.25) 46%,transparent 72%)}
.hero .wrap{position:relative;z-index:2;width:100%}
.hero h1{max-width:17ch;color:#fff}
.hero .sub{color:#C8D8EE;max-width:52ch}
.linhas span{display:block;overflow:hidden}
.linhas span i{display:block;font-style:normal;transform:translateY(112%)}
.acoes{display:flex;gap:13px;margin-top:34px;flex-wrap:wrap}
.marca-fita{position:absolute;left:0;right:0;bottom:0;z-index:3;border-top:1px solid rgba(255,255,255,.12);
 background:rgba(4,16,31,.55);backdrop-filter:blur(10px)}
.marca-fita .wrap{display:flex;align-items:center;gap:clamp(14px,3vw,38px);height:62px;overflow:hidden}
.marca-fita .mono{color:#8FB4DC;flex:none}
#tecno{font-family:'IBM Plex Mono',monospace;font-size:13.5px;color:var(--acc2);letter-spacing:.05em}

/* ---------- cabo (01) ---------- */
.cabo{position:relative;height:clamp(150px,19vw,240px);overflow:hidden}
.cabo svg{position:absolute;inset:0;width:100%;height:100%}

/* ---------- cartoes 3D (07) ---------- */
.gcards{display:grid;gap:16px;margin-top:46px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--el);border:1px solid var(--ln);border-radius:20px;overflow:hidden;position:relative;
 will-change:transform;transition:transform .3s ease-out,border-color .4s;display:block}
.card .gl{position:absolute;inset:0;opacity:0;transition:opacity .4s;pointer-events:none;z-index:2;
 background:radial-gradient(340px circle at var(--mx,50%) var(--my,50%),rgba(127,192,245,.2),transparent 62%)}
.card:hover{border-color:rgba(127,192,245,.42)}
.card:hover .gl{opacity:1}
.card .im{height:168px;overflow:hidden;position:relative}
.card .im img{width:100%;height:100%;object-fit:cover;transition:transform .9s cubic-bezier(.2,.7,.2,1)}
.card:hover .im img{transform:scale(1.07)}
.card .im::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,13,27,.05),rgba(14,29,60,.86))}
.card .bd{padding:22px 22px 26px;position:relative;z-index:3}
.card h4{font-size:19px;margin-bottom:8px}
.card p{color:var(--dim);font-size:14.5px;font-weight:300;line-height:1.55}
.card .mais{color:var(--acc2);font-size:13.5px;font-weight:700;margin-top:14px;display:inline-block}

/* ---------- rack 3D (09) ---------- */
.dual{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(24px,5vw,66px);align-items:center}
.c3d{width:100%;height:clamp(380px,52vw,560px);display:block}
.lista{margin-top:28px;display:grid;gap:2px}
.lista li{list-style:none;display:flex;gap:14px;align-items:flex-start;padding:13px 0;border-top:1px solid var(--ln);
 color:var(--dim);font-size:15px;font-weight:300;opacity:.42;transition:opacity .45s,color .45s}
.lista li.on{opacity:1;color:var(--tx)}
.lista li b{color:var(--acc2);font-family:'IBM Plex Mono',monospace;font-size:12px;padding-top:3px;flex:none}

/* ---------- predio (10) ---------- */
.pred{position:relative;display:flex;align-items:center;justify-content:center;min-height:clamp(380px,52vw,600px)}
.pred svg{max-height:clamp(380px,52vw,600px);max-width:100%;width:auto;height:auto}
.prosa.duas{max-width:none}
@media(min-width:900px){.prosa.duas ul{grid-template-columns:1fr 1fr;gap:11px 42px}}

/* ---------- antes/depois (08) ---------- */
.cmp{position:relative;height:clamp(320px,46vw,520px);cursor:ew-resize;overflow:hidden;border-radius:22px;border:1px solid var(--ln)}
.cmp img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cmp .top{clip-path:inset(0 50% 0 0)}
.cmp .hd{position:absolute;top:0;bottom:0;left:50%;width:2px;background:#fff;box-shadow:0 0 18px rgba(255,255,255,.55);z-index:3}
.cmp .hd::after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:42px;height:42px;
 border-radius:50%;background:#fff;box-shadow:0 6px 22px rgba(0,0,0,.35)}
.cmp .tg{position:absolute;bottom:18px;z-index:4;background:rgba(5,13,27,.82);border:1px solid rgba(255,255,255,.18);
 padding:8px 14px;border-radius:9px;color:#E8EFFA}
.cmp .tg.l{left:18px}.cmp .tg.r{right:18px}

/* ---------- galeria (14) ---------- */
.filtros{display:flex;gap:9px;flex-wrap:wrap;margin-top:34px}
.fl{padding:10px 18px;border:1px solid var(--ln);border-radius:99px;font-size:14px;cursor:pointer;font-weight:600;
 transition:all .3s;background:transparent;color:var(--tx)}
.fl.on{background:var(--acc);border-color:var(--acc);color:#04121F}
:root[data-tema="claro"] .fl.on{color:#fff}
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-top:22px}
.gi{border-radius:16px;overflow:hidden;position:relative;height:clamp(150px,17vw,210px)}
.gi img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.gi:hover img{transform:scale(1.06)}
.gi::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 44%,rgba(5,13,27,.9))}
.gi .nm{position:absolute;left:14px;bottom:12px;z-index:2;font-weight:700;font-size:14px;color:#fff}
.gi .nm small{display:block;font-weight:400;font-size:11.5px;color:#9FC3E6;letter-spacing:.14em;text-transform:uppercase;margin-bottom:4px}

/* ---------- revelar (13) ---------- */
.rev{position:relative;overflow:hidden;border-radius:22px}
.rev img{width:100%;height:clamp(300px,42vw,500px);object-fit:cover}
.rev .msk{position:absolute;inset:0;background:var(--bg);clip-path:polygon(0 0,100% 0,100% 100%,0 100%)}

/* ---------- numeros (15) ---------- */
.nums{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--ln);border:1px solid var(--ln);
 border-radius:22px;overflow:hidden;margin-top:46px}
.nums div{background:var(--bg2);padding:clamp(26px,4vw,42px) 22px;text-align:center}
.nums b{font-size:clamp(32px,4.8vw,56px);font-weight:900;letter-spacing:-.05em;display:block;color:var(--tx);line-height:1}
.nums span{color:var(--dim);font-size:14px;display:block;margin-top:10px;font-weight:300}

/* ---------- malha (12) ---------- */
.commalha{position:relative;overflow:hidden}
#malha{position:absolute;inset:0;width:100%;height:100%;opacity:.55;z-index:0}
.commalha .wrap{position:relative;z-index:2}

/* ---------- globo (11) ---------- */
#globo{width:100%;height:clamp(340px,44vw,520px);display:block}

/* ---------- formulario ---------- */
.form{display:grid;gap:13px;margin-top:30px}
.form .lin{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.form input,.form textarea,.form select{width:100%;background:var(--bg2);border:1px solid var(--ln);border-radius:12px;
 padding:15px 17px;color:var(--tx);font-family:inherit;font-size:15px;transition:border-color .3s}
.form textarea{min-height:140px;resize:vertical}
.form input:focus,.form textarea:focus{outline:0;border-color:var(--acc2)}
.form input::placeholder,.form textarea::placeholder{color:var(--dim);opacity:.75}

/* ---------- blocos de texto ---------- */
.prosa{max-width:74ch}
.prosa p{color:var(--dim);font-weight:300;margin-top:19px;font-size:17px}
.prosa h3{margin-top:40px;color:var(--tx)}
.prosa ul{margin-top:18px;display:grid;gap:11px}
.prosa li{list-style:none;color:var(--dim);font-weight:300;padding-left:24px;position:relative;font-size:16.5px}
.prosa li::before{content:"";position:absolute;left:0;top:11px;width:9px;height:1.6px;background:var(--acc2)}
.fonte{margin-top:34px;color:var(--dim);font-size:13.5px;font-style:italic}

/* ---------- capa interna ---------- */
.capa{position:relative;padding:clamp(124px,14vw,168px) 0 clamp(46px,6vw,72px);overflow:hidden;background:#04101F}
.capa.img::before{content:"";position:absolute;inset:0;background-size:cover;background-position:center;
 background-image:var(--bgimg);opacity:.85;z-index:0}
.capa::after{content:"";position:absolute;inset:0;z-index:1;
 background:linear-gradient(104deg,rgba(4,16,31,.95) 0%,rgba(4,16,31,.86) 42%,rgba(4,16,31,.42) 100%),
            linear-gradient(180deg,rgba(4,16,31,.7),rgba(4,16,31,.2) 40%,rgba(4,16,31,.75))}
.capa .wrap{position:relative;z-index:3}
.capa h1{color:#fff;max-width:19ch}
.capa .sub{color:#C8D8EE}
.migalha{display:flex;gap:9px;align-items:center;color:#8FB4DC;margin-bottom:20px}
.migalha a{opacity:.8}

/* ---------- trilhas ---------- */
.aula{display:flex;gap:18px;align-items:center;padding:19px 22px;border:1px solid var(--ln);border-radius:16px;
 background:var(--el);margin-top:11px;transition:border-color .35s,transform .35s}
.aula:hover{border-color:rgba(127,192,245,.45);transform:translateX(5px)}
.aula .n{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--acc2);flex:none}
.aula h4{font-size:16.5px;font-weight:700;letter-spacing:-.01em}
.aula .tag{margin-left:auto;color:var(--dim);font-size:12.5px;flex:none}
.selo{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--ln);border-radius:99px;
 padding:7px 14px;color:var(--acc2);background:var(--bg2)}

/* ---------- rodape ---------- */
.rod{border-top:1px solid var(--ln);background:var(--bg2);padding:clamp(54px,7vw,82px) 0 34px}
.rodg{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:clamp(24px,4vw,48px)}
.rod h5{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--acc2);margin-bottom:17px;font-weight:700}
.rod a,.rod p{color:var(--dim);font-size:14.5px;font-weight:300;display:block;margin-bottom:9px;transition:color .3s}
.rod a:hover{color:var(--acc2)}
.rodfim{margin-top:46px;padding-top:24px;border-top:1px solid var(--ln);display:flex;justify-content:space-between;
 gap:18px;flex-wrap:wrap;color:var(--dim);font-size:13px}

/* ---------- responsivo ---------- */
@media(max-width:1000px){
 .dual{grid-template-columns:1fr}
 .g4{grid-template-columns:repeat(2,1fr)}
 .nums{grid-template-columns:repeat(2,1fr)}
 .rodg{grid-template-columns:1fr 1fr}
}
@media(max-width:700px){
 body{font-size:16px}
 .g3,.g4,.g2{grid-template-columns:1fr}
 .gal{grid-template-columns:repeat(2,1fr)}
 .form .lin{grid-template-columns:1fr}
 .rodg{grid-template-columns:1fr}
 .c3d{height:420px}
 .hero{min-height:620px;padding-top:104px;padding-bottom:0;flex-direction:column;justify-content:flex-end}
 .hero::after{background:linear-gradient(180deg,rgba(4,16,31,.8) 0%,rgba(4,16,31,.28) 26%,rgba(4,16,31,.92) 78%)}
 .hero .wrap{margin-top:auto}
 .marca-fita{position:static;width:100%;margin-top:34px}
 .marca-fita .wrap{height:auto;flex-direction:column;align-items:flex-start;gap:5px;padding-top:13px;padding-bottom:15px;margin-top:0}
 #tecno{font-size:12.5px}
 .gal{gap:9px}
 .capa{padding-top:112px}
 .capa::after{background:linear-gradient(180deg,rgba(4,16,31,.72),rgba(4,16,31,.5) 34%,rgba(4,16,31,.93))}
 .nav img{height:42px!important}
 .pred svg{max-width:100%}
}
@media(prefers-reduced-motion:reduce){
 *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}