/* MTH Engenharia — estilos do site */
:root{
  --ink:#1F1F1F;--ink2:#333333;--muted:#5A5A5A;--soft:#8A8A8A;--line:#E4E4E4;--line2:#D9D9D9;
  --dren:#0E5A84;--dren-d:#0A4669;--dren-t:#EAF2F7;--dren-b:#CFDDE7;
  --geo:#A9562A;--geo-d:#8C4522;--geo-t:#F7EEE8;--geo-b:#E8D3C5;
  --lau:#4E9F3D;--lau-d:#3D8230;--lau-t:#EEF6EA;--lau-b:#D3E6CA;
  --wa:#1E7F4F;--wa-d:#17663F;
  --ac:var(--dren);--ac-d:var(--dren-d);--ac-t:var(--dren-t);--ac-b:var(--dren-b);
}
body[data-d="geo"]{--ac:var(--geo);--ac-d:var(--geo-d);--ac-t:var(--geo-t);--ac-b:var(--geo-b)}
body[data-d="lau"]{--ac:var(--lau);--ac-d:var(--lau-d);--ac-t:var(--lau-t);--ac-b:var(--lau-b)}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:#FFFFFF;color:var(--ink);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
main{flex:1;display:flex;flex-direction:column}
a{color:var(--ink2);text-decoration:none}a:hover{color:#000}
h1,h2,h3{font-family:Barlow,system-ui,sans-serif}
img,svg{max-width:100%}
.wrap{max-width:1240px;margin:0 auto;padding:0 40px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:10px 14px;border-radius:6px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--ac);outline-offset:2px}

/* papel milimetrado */
.paper{background-color:#FFFFFF;background-image:linear-gradient(rgba(0,0,0,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.022) 1px,transparent 1px),linear-gradient(rgba(0,0,0,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.045) 1px,transparent 1px);background-size:24px 24px,24px 24px,120px 120px,120px 120px}
.paper-hero{background-color:#F7F7F7;background-image:linear-gradient(rgba(0,0,0,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.028) 1px,transparent 1px),linear-gradient(rgba(0,0,0,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.055) 1px,transparent 1px);background-size:24px 24px,24px 24px,120px 120px,120px 120px}
.tint{background-color:var(--ac-t);background-image:linear-gradient(rgba(0,0,0,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.03) 1px,transparent 1px);background-size:20px 20px}
.tint.dren{--ac-t:var(--dren-t)}.tint.geo{--ac-t:var(--geo-t)}.tint.lau{--ac-t:var(--lau-t)}
.tint svg{width:100%;height:100%;display:block}

/* cabeçalho */
.site-header{background:#FFFFFF;border-bottom:1px solid var(--line);position:relative;z-index:20}
.site-header .wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:12px 24px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.logo{width:38px;height:38px;border-radius:6px;background:var(--dren);color:#fff;display:flex;align-items:center;justify-content:center;font:700 14px Barlow,sans-serif;letter-spacing:.04em;flex:none}
.brand-txt{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font:700 19px Barlow,sans-serif}
.brand-sub{font:600 11px Barlow,sans-serif;color:var(--muted);letter-spacing:.16em}
.navlinks{display:flex;align-items:center;gap:32px;font:600 15px Barlow,sans-serif;letter-spacing:.02em}
.navlinks a{color:var(--ink2);padding:6px 0;white-space:nowrap}
.navlinks a:hover{color:#000}
.navlinks a[aria-current="page"]{color:var(--ink);box-shadow:inset 0 -2px 0 var(--ac)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:6px;color:#fff;font-weight:600;transition:background-color .18s ease,transform .18s ease}
.btn:hover{transform:translateY(-1px);color:#fff}
.wa{background:var(--wa)}.wa:hover{background:var(--wa-d)}
.btn-head{height:44px;padding:0 18px;font-size:14px;white-space:nowrap}

/* hero da home */
.home-hero{border-bottom:1px solid var(--line)}
.home-hero .wrap{padding-top:80px;padding-bottom:84px;display:flex;flex-direction:column;align-items:center;text-align:center}
.pill{display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;border:1.5px solid #A8A8A8;background:#fff;font:700 13px Barlow,sans-serif;color:var(--ink2);letter-spacing:.16em}
.pill-lg{gap:12px;padding:10px 20px;font-size:14px;letter-spacing:.18em}
.dot{width:8px;height:8px;border-radius:50%;background:var(--ac);flex:none}
.home-hero h1{margin:28px 0 0;font:700 56px/1.05 Barlow,sans-serif;letter-spacing:-.005em}
.home-hero .lead{margin:14px 0 0;font:600 26px/1.25 Barlow,sans-serif;color:#444}
.home-hero .sub{margin:18px 0 0;font-size:16px;line-height:1.6;color:var(--muted);max-width:640px}
.tri{display:flex;gap:6px;margin-top:30px}
.tri span{width:28px;height:4px;border-radius:2px}
.home-hero .tag{margin:26px 0 0;font:600 25px/1.3 Barlow,sans-serif}
.check{margin-top:12px;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink2)}
.stripe{display:flex;height:6px}.stripe span{flex:1}
.bg-dren{background:var(--dren)}.bg-geo{background:var(--geo)}.bg-lau{background:var(--lau)}

/* escolha (home) */
.choose{padding:80px 0 104px;flex:1}
.choose .wrap{display:flex;flex-direction:column;gap:44px;align-items:center}
.sec-head{display:flex;flex-direction:column;gap:8px;align-items:center;text-align:center}
.sec-head h2{margin:0;font:700 40px/1 Barlow,sans-serif}
.sec-head p{margin:0;font-size:18px;font-weight:500;color:var(--muted)}
.cards3{width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}

/* cartões */
.card{display:flex;flex-direction:column;background:#fff;border:1.5px solid #D3DCE4;border-radius:10px;overflow:hidden;color:var(--ink);box-shadow:0 1px 2px rgba(20,33,46,.06),0 16px 32px -24px rgba(20,33,46,.35);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.card:hover{color:var(--ink);transform:translateY(-5px);box-shadow:0 28px 48px -28px rgba(20,33,46,.45);border-color:var(--c,var(--ac))}
.card:focus-visible{outline:3px solid var(--c,var(--ac));outline-offset:3px}
.card.dren{--c:var(--dren);--cd:var(--dren-d)}.card.geo{--c:var(--geo);--cd:var(--geo-d)}.card.lau{--c:var(--lau);--cd:var(--lau-d)}
.card-art{height:230px;border-bottom:1px solid #D3DCE4}
.card-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-num{font:700 44px/1 Barlow,sans-serif;color:var(--c,var(--ac))}
.card h3,.card h2{margin:4px 0 0;font:700 27px/1.15 Barlow,sans-serif;color:var(--ink)}
.card p{margin:0;font-size:15px;line-height:1.6;color:var(--muted)}
.card-cta{margin-top:auto;padding-top:18px}
.k{display:flex;align-items:center;justify-content:center;gap:10px;height:50px;border-radius:6px;color:#fff;font:600 16px Barlow,sans-serif;letter-spacing:.04em;background:var(--c,var(--ac));transition:background-color .18s ease,gap .18s ease}
.card:hover .k{background:var(--cd,var(--ac-d));gap:14px}
.cards-type{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.cards-type .card{border-color:var(--line2);box-shadow:0 1px 2px rgba(0,0,0,.05),0 16px 32px -24px rgba(0,0,0,.3)}
.cards-type .card-art{height:168px;border-bottom-color:var(--line2)}
.cards-type .card-body{padding:22px 24px 24px;gap:8px}
.cards-type .card-num{font-size:32px}
.cards-type .card h2{margin-top:2px;font-size:22px;line-height:1.2}
.cards-type .card p{font-size:14px}
.cards-type .card-cta{padding-top:14px}
.cards-type .k{height:46px;font-size:15px;letter-spacing:.06em}

/* barra de etapas */
.steps{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:10}
.steps .wrap{min-height:60px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 32px;padding-top:8px;padding-bottom:8px}
.steps ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;align-items:center;gap:10px 26px;font-size:13px;color:var(--muted)}
.steps li{display:flex;align-items:center;gap:10px;position:relative}
.steps b{color:var(--ink);font-weight:600}
.st-done{width:22px;height:22px;border-radius:50%;background:var(--ac);color:#fff;display:flex;align-items:center;justify-content:center;flex:none}
.st-now{width:22px;height:22px;border-radius:50%;border:2px solid var(--ac);color:var(--ink);display:flex;align-items:center;justify-content:center;font:700 11px Barlow,sans-serif;flex:none}
.st-next{width:22px;height:22px;border-radius:50%;border:1.5px solid #BDBDBD;color:var(--soft);display:flex;align-items:center;justify-content:center;font:700 11px Barlow,sans-serif;flex:none}
.sep{color:#A8A8A8;display:flex}
.alt{display:inline-flex;align-items:center;gap:4px;background:transparent;border:0;padding:4px 2px;cursor:pointer;font:500 12px Inter,sans-serif;color:var(--ink2);text-decoration:underline;text-underline-offset:3px}
.alt[aria-expanded="true"] svg{transform:rotate(180deg)}
.menu{position:absolute;left:32px;top:32px;min-width:290px;background:#fff;border:1px solid var(--line2);border-radius:8px;box-shadow:0 20px 40px -20px rgba(0,0,0,.35);padding:6px;display:flex;flex-direction:column;gap:2px;z-index:30}
.menu[hidden]{display:none}
.menu-t{padding:8px 12px 6px;font:700 11px Barlow,sans-serif;color:var(--muted);letter-spacing:.16em}
.menu a{display:block;padding:10px 12px;border-radius:6px;color:var(--ink);font-size:14px}
.menu a:hover{background:#F2F2F2}
.menu a[aria-current="page"]{background:#F2F2F2;font-weight:600}
.back{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--muted)}

/* troca rápida */
.quick{background:#fff;border-bottom:1px solid var(--line)}
.quick .wrap{padding-top:12px;padding-bottom:12px;display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:thin}
.quick-t{font:700 11px Barlow,sans-serif;color:var(--muted);letter-spacing:.16em;margin-right:6px;white-space:nowrap}
.chip{display:inline-flex;align-items:center;height:36px;padding:0 14px;border-radius:999px;border:1px solid var(--line2);background:#fff;color:var(--ink2);font-size:13px;font-weight:500;white-space:nowrap;transition:border-color .15s ease}
.chip:hover{border-color:var(--ac);color:var(--ink)}
.chip[aria-current="page"]{background:var(--ac);border-color:var(--ac);color:#fff;font-weight:600}

/* hero das disciplinas */
.d-hero{border-bottom:1px solid var(--line)}
.d-hero .wrap{padding-top:56px;padding-bottom:56px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:32px 48px}
.d-hero-txt{flex:1 1 520px;min-width:0;display:flex;flex-direction:column;gap:18px;max-width:640px}
.d-hero-art{flex:0 1 400px;min-width:280px;aspect-ratio:380/300;border:1px solid var(--line2);border-radius:10px;overflow:hidden}
.kicker{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px}
.etapa{font:600 12px Barlow,sans-serif;color:var(--muted);letter-spacing:.16em}
.x{font:700 14px Barlow,sans-serif;color:var(--soft)}
.d-hero h1,.s-hero h1{margin:0;font:700 44px/1.08 Barlow,sans-serif;color:var(--ink)}
.d-hero p{margin:0;font-size:16px;line-height:1.6;color:var(--muted)}
.ac-bar{height:4px;background:var(--ac)}
.d-opts{padding:56px 0 88px;flex:1}

/* página de escopo */
.s-hero{border-bottom:1px solid var(--line)}
.s-hero .wrap{padding-top:52px;padding-bottom:48px;display:flex;flex-direction:column;gap:18px}
.s-hero h1{max-width:900px}
.s-hero p{margin:0;font-size:17px;line-height:1.65;color:var(--muted);max-width:820px}
.s-body{padding:56px 0 88px;flex:1}
.s-grid{display:flex;flex-wrap:wrap;gap:48px;align-items:flex-start}
.s-main{flex:999 1 560px;min-width:0;display:flex;flex-direction:column;gap:52px}
.blk{display:flex;flex-direction:column;gap:20px}
.eyebrow{font:700 12px Barlow,sans-serif;color:var(--muted);letter-spacing:.16em}
.blk h2{margin:6px 0 0;font:700 28px/1.2 Barlow,sans-serif}
.svc{display:flex;flex-direction:column;border:1px solid var(--line2);border-radius:10px;background:#fff;overflow:hidden}
.svc-i{display:flex;gap:18px;padding:20px 24px;border-bottom:1px solid #ECECEC}
.svc-i:last-child{border-bottom:0}
.svc-ic{flex:none;width:40px;height:40px;border-radius:6px;background:var(--ac-t);color:var(--ac);display:flex;align-items:center;justify-content:center}
.svc-t{font-size:16px;font-weight:600;color:var(--ink)}
.svc-d{margin-top:4px;font-size:14px;line-height:1.55;color:var(--muted)}
.how{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.how li{display:flex;gap:16px;align-items:flex-start}
.how-n{flex:none;width:34px;font:700 18px/1.4 Barlow,sans-serif;color:#6B6B6B}
.how-t{font-size:15px;line-height:1.6;color:var(--ink2)}
.duo{display:flex;flex-wrap:wrap;gap:24px}
.box{flex:1 1 280px;min-width:0;background:#fff;border:1px solid var(--line2);border-radius:10px;padding:24px;display:flex;flex-direction:column;gap:14px}
.tags{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.tags li{font-size:13px;font-weight:500;color:var(--ink2);background:#F2F2F2;border-radius:999px;padding:7px 12px}
.bens{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;font-size:14px;line-height:1.5;color:var(--ink2)}
.bens li{display:flex;gap:10px}
.bens li::before{content:"";margin-top:7px;width:7px;height:7px;border-radius:50%;background:var(--ac);flex:none}
.hint{background:var(--ac-t);border:1px solid var(--ac-b);border-radius:10px;padding:22px 24px;display:flex;flex-direction:column;gap:8px}
.hint .eyebrow{color:var(--ink2)}
.hint p{margin:0;font-size:14px;line-height:1.6;color:var(--ink2)}

/* orçamento */
.quote{flex:1 1 360px;min-width:0;max-width:440px;display:flex;flex-direction:column;gap:16px;position:sticky;top:20px}
.q-card{background:#fff;border:1.5px solid var(--line2);border-radius:12px;padding:28px;display:flex;flex-direction:column;gap:18px;box-shadow:0 24px 48px -32px rgba(0,0,0,.3)}
.q-card h2{margin:6px 0 0;font:700 22px/1.2 Barlow,sans-serif}
.q-card .q-p{margin:6px 0 0;font-size:14px;line-height:1.55;color:var(--muted)}
.fld{display:flex;flex-direction:column;gap:6px}
.fld label{font-size:13px;font-weight:600;color:var(--ink2)}
.fld label span{font-weight:400;color:var(--soft)}
.field{font-family:Inter,system-ui,sans-serif;font-size:15px;color:var(--ink);background:#fff;border:1px solid #C4C4C4;border-radius:6px;padding:12px 14px;width:100%;outline:none;transition:border-color .15s ease,box-shadow .15s ease}
textarea.field{resize:vertical;min-height:84px}
.field:focus{border-color:var(--ac);box-shadow:0 0 0 3px color-mix(in srgb,var(--ac) 18%,transparent)}
.preview-t{font:700 11px Barlow,sans-serif;color:var(--muted);letter-spacing:.16em}
.preview{background:#F7F7F7;border:1px solid #ECECEC;border-radius:8px;padding:14px 16px;font-size:14px;line-height:1.6;color:var(--ink);white-space:pre-wrap;word-break:break-word}
.small{font-size:12px;color:var(--soft)}
.btn-big{height:58px;border-radius:8px;font-size:16px;gap:12px}
.after{background:#fff;border:1px solid var(--line2);border-radius:10px;padding:18px 20px;display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--muted);line-height:1.5}
.after b{color:var(--ink);font-weight:600}
.after ol{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:6px}

/* outras disciplinas */
.cross{border-top:1px solid var(--line);background:#FAFAFA}
.cross .wrap{padding-top:32px;padding-bottom:32px;display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px}
.cross-t{font:700 12px Barlow,sans-serif;color:var(--muted);letter-spacing:.16em}
.cross a{display:inline-flex;align-items:center;gap:8px;font:600 15px Barlow,sans-serif;color:var(--ink2)}
.cross a:hover{color:#000}
.cross .dot{background:var(--c)}

/* rodapé */
.site-footer{background:#262626;color:#BDBDBD;padding:36px 0}
.site-footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:18px 32px;font-size:14px}
.site-footer a{color:#fff;display:inline-flex;align-items:center;gap:8px}
.site-footer a:hover{color:#D4D4D4}
.f-brand{display:flex;align-items:center;gap:12px}
.f-logo{width:30px;height:30px;border-radius:5px;background:#4A4A4A;color:#fff;display:flex;align-items:center;justify-content:center;font:700 11px Barlow,sans-serif}
.f-links{display:flex;flex-wrap:wrap;gap:14px 32px}

/* 404 */
.nf{flex:1;display:flex;align-items:center}
.nf .wrap{padding-top:96px;padding-bottom:96px;display:flex;flex-direction:column;align-items:flex-start;gap:16px}
.nf h1{margin:0;font:700 44px/1.1 Barlow,sans-serif}
.nf p{margin:0;font-size:17px;color:var(--muted)}
.btn-ac{background:var(--ac);height:48px;padding:0 20px}.btn-ac:hover{background:var(--ac-d)}

/* responsivo */
@media (max-width:1100px){
  .cards-type{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:960px){
  .quote{position:static;max-width:none}
}
@media (max-width:860px){
  .wrap{padding:0 20px}
  .site-header .wrap{flex-wrap:wrap;min-height:64px;padding-top:10px;padding-bottom:0}
  .navlinks{order:3;width:100%;gap:22px;overflow-x:auto;padding:4px 0 10px;font-size:14px;scrollbar-width:none}
  .navlinks::-webkit-scrollbar{display:none}
  .logo{width:34px;height:34px;font-size:13px}
  .brand-name{font-size:17px}
  .brand-sub{font-size:10px}
  .btn-head{height:40px;padding:0 14px;font-size:13px}
  .cards3{grid-template-columns:minmax(0,1fr);gap:20px}
  .home-hero .wrap{padding-top:52px;padding-bottom:56px}
  .home-hero h1{font-size:38px}
  .home-hero .lead{font-size:20px}
  .home-hero .tag{font-size:20px}
  .pill-lg{font-size:11px;padding:8px 14px;letter-spacing:.14em}
  .choose{padding:52px 0 64px}
  .sec-head h2{font-size:32px}
  .card-art{height:190px}
  .d-hero .wrap,.s-hero .wrap{padding-top:36px;padding-bottom:36px}
  .d-hero h1,.s-hero h1{font-size:32px}
  .d-hero-art{min-width:0;flex-basis:100%}
  .s-hero p{font-size:16px}
  .d-opts,.s-body{padding:36px 0 56px}
  .s-main{gap:40px}
  .blk h2{font-size:24px}
  .svc-i{padding:16px 18px;gap:14px}
  .q-card{padding:22px}
  .steps .wrap{padding-top:10px;padding-bottom:10px}
  .menu{left:0;min-width:260px}
}
@media (max-width:700px){
  .cards-type{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:420px){
  .btn-head .wa-txt{display:none}
  .btn-head{width:44px;padding:0}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important}
}