@font-face{font-family:"Young Serif";src:url(/fonts/young-serif.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Work Sans";src:url(/fonts/work-sans.woff2) format("woff2");font-weight:300 700;font-display:swap}
:root{
  /* cores da marca: azul meia-noite #0B2238 (primária), verde petróleo #427471 (secundária), papel #F4F3EF */
  --papel:#f4f3ef;--papel-2:#e9e8e2;--cartao:#fbfaf7;--tinta:#0b2238;--mut:#56636d;--linha:#dad8d0;
  --azul:#0b2238;--azul-2:#163452;--rio:#427471;--rio-2:#345d5a;--rio-claro:#dce8e6;--rio-luz:#a9cfca;--ocre:#427471;--ocre-claro:#e4ecea;
  --serif:"Young Serif",Georgia,"Times New Roman",serif;--sans:"Work Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --larg:1160px;--r:16px;color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--papel);color:var(--tinta);font:17px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--rio)}
:focus-visible{outline:2px solid var(--ocre);outline-offset:3px}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.12;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(38px,8.4vw,72px)}
h2{font-size:clamp(28px,5.2vw,44px)}
h3{font-size:22px}
p{margin:0 0 1em}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.sec-l{max-width:var(--larg);margin:0 auto;padding:0 16px}
section{padding:72px 0}
.antes{font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ocre);margin-bottom:14px}
.antes a{color:inherit;text-decoration:none}
.lead{font-size:clamp(18px,2.4vw,21px);line-height:1.55;color:var(--tinta)}
.mut{color:var(--mut)}
.meta{font-size:14px;color:var(--mut);margin:0 0 6px}
.mini{font-size:14px;color:var(--mut)}

/* botões */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:999px;border:1.5px solid var(--tinta);color:var(--tinta);background:transparent;font:600 16px/1 var(--sans);text-decoration:none;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn:hover{background:var(--tinta);color:var(--papel)}
.btn-p{background:var(--azul);border-color:var(--azul);color:#fff}
.btn-p:hover{background:var(--rio);border-color:var(--rio);color:#fff}
.btn-claro{border-color:#fff;color:#fff}
.btn-claro:hover{background:#fff;color:var(--azul)}
.acoes{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.seta{font-weight:600;color:var(--rio);text-decoration:none;white-space:nowrap}
.seta::after{content:" →";transition:margin .2s}
a:hover .seta::after,.seta:hover::after{margin-left:4px}

/* maquete */
.faixa-maquete{background:var(--tinta);color:var(--papel);font-size:13px;text-align:center;padding:8px 16px}
.prov{display:inline-block;font:600 11px/1.6 var(--sans);letter-spacing:.04em;text-transform:uppercase;color:#8a4b12;background:#fbe7c8;border:1px dashed #d29a55;border-radius:6px;padding:0 6px;vertical-align:middle;white-space:nowrap}

/* topo */
.topo{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--papel) 90%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .2s}
.topo.sombra{border-bottom-color:var(--linha)}
.topo-l{max-width:var(--larg);margin:0 auto;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.logo{display:flex;flex-direction:column;text-decoration:none;color:var(--tinta);line-height:1.1}
.logo img{height:58px;width:auto}
@media (max-width:640px){.logo img{height:48px}}
.logo-n{font-family:var(--serif);font-size:21px}
.logo-s{font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--mut);margin-top:3px}
.menu{display:flex;align-items:center;gap:26px}
.menu a{color:var(--tinta);text-decoration:none;font-weight:500;font-size:16px}
.menu a[aria-current=page]{color:var(--rio)}
.menu a:not(.btn):hover{color:var(--rio)}
.menu .btn{min-height:42px;padding:0 18px;color:#fff}
.menu-b{display:none;width:44px;height:44px;border:0;background:none;padding:10px;cursor:pointer;flex-direction:column;justify-content:center;gap:6px}
.menu-b span:not(.sr){display:block;height:2px;background:var(--tinta);border-radius:2px;transition:transform .2s}
.menu-b[aria-expanded=true] span:nth-child(1){transform:translateY(4px) rotate(45deg)}
.menu-b[aria-expanded=true] span:nth-child(2){transform:translateY(-4px) rotate(-45deg)}
@media (max-width:820px){
  .menu-b{display:flex}
  .menu{display:none;position:absolute;left:0;right:0;top:100%;background:var(--papel);flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 20px;border-bottom:1px solid var(--linha);box-shadow:0 14px 24px rgba(31,36,33,.08)}
  .menu.aberto{display:flex}
  .menu a:not(.btn){padding:14px 0;border-bottom:1px solid var(--linha);font-size:18px}
  .menu .btn{margin-top:16px;min-height:50px}
}

/* herói */
.heroi{padding:48px 0 72px}
.heroi-g{display:grid;gap:36px;align-items:center}
.heroi h1{max-width:12ch}
.heroi .lead{max-width:36ch}
.foto{margin:0;border-radius:24px;overflow:hidden;background:var(--papel-2)}
.foto-sem{aspect-ratio:4/5;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:var(--mut);text-align:center;padding:20px;
  background:radial-gradient(circle at 30% 25%,rgba(255,255,255,.55),transparent 55%),repeating-linear-gradient(135deg,transparent 0 22px,rgba(31,90,84,.05) 22px 23px),var(--papel-2);border:1.5px dashed var(--linha);border-radius:24px}
.foto-deco{background:var(--azul);border:0;color:#fff;padding:24px}
.foto-deco .rio{width:100%}
.foto-sem span{font-family:var(--serif);font-size:22px;color:var(--tinta)}
.foto-sem small{font-size:14px}
.foto img{width:100%;aspect-ratio:4/5;object-fit:cover}
.foto-sobre img{aspect-ratio:1/1}
@media (max-width:899px){.foto-heroi .foto-sem{aspect-ratio:4/3}}
@media (min-width:900px){.heroi{padding:72px 0 96px}.heroi-g{grid-template-columns:1.25fr 1fr;gap:64px}}

/* serviços */
.servicos{background:var(--cartao);border-top:1px solid var(--linha);border-bottom:1px solid var(--linha)}
.servicos h2{max-width:18ch}
.serv-g{display:grid;gap:14px;margin-top:36px}
.serv-c{display:flex;flex-direction:column;gap:6px;padding:26px 22px;border:1px solid var(--linha);border-radius:var(--r);background:var(--papel);color:var(--tinta);text-decoration:none;transition:transform .25s,border-color .25s,box-shadow .25s}
.serv-c:hover{border-color:var(--rio);transform:translateY(-3px);box-shadow:0 12px 30px rgba(31,36,33,.08)}
.serv-c h3{font-size:26px;margin:6px 0 4px}
.serv-c p{color:var(--mut);margin:0 0 14px;flex:1}
.serv-n{font:600 13px/1 var(--sans);letter-spacing:.12em;color:var(--ocre)}
@media (min-width:760px){.serv-g{grid-template-columns:repeat(3,1fr)}.serv-g2{grid-template-columns:repeat(2,1fr)}}

/* Fronteira Zero */
.fz{background:var(--azul);color:#fff}
.fz .antes{color:var(--rio-luz)}
.fz .lead{color:#dfe6ec}
.fz-g{display:grid;gap:40px;align-items:center}
.fz h2{max-width:16ch}
.rio{width:100%;height:auto;overflow:visible}
.rio-pais{font:600 13px var(--sans);letter-spacing:.22em;fill:currentColor;opacity:.7}
.rio-nome{font:italic 15px var(--serif);fill:currentColor;opacity:.85}
.rio-agua{fill:none;stroke:currentColor;stroke-opacity:.18;stroke-width:22;stroke-linecap:round}
.rio-linha{fill:none;stroke:currentColor;stroke-width:2.5;stroke-dasharray:2 9;stroke-linecap:round}
.rio-pontos circle{fill:var(--rio-luz)}
.rio-pontes path{stroke:var(--rio-luz);stroke-width:1.5;stroke-opacity:.6;fill:none}
.fz .rio{color:#fff}
@media (prefers-reduced-motion:no-preference){.rio-linha{animation:corre 14s linear infinite}@keyframes corre{to{stroke-dashoffset:-220}}}
@media (min-width:900px){.fz-g{grid-template-columns:1fr 1.1fr;gap:64px}}

/* Fronteira Zero no ar */
.no-ar{background:var(--papel-2)}
.no-ar-g{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.video{position:relative;display:block;border-radius:var(--r);overflow:hidden;background:#111;color:#fff;text-decoration:none;aspect-ratio:4/5}
.video img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video:hover img{transform:scale(1.04)}
.video-t{position:absolute;left:0;right:0;bottom:0;padding:36px 12px 12px;background:linear-gradient(transparent,rgba(0,0,0,.72));font-weight:600;font-size:15px;line-height:1.3}
.video-t .prov{margin-top:4px}
@media (min-width:760px){.no-ar-g{grid-template-columns:repeat(4,1fr);gap:16px}.video-t{font-size:16px}}

/* sobre */
.sobre-g{display:grid;gap:36px;align-items:center}
.foto-sobre .foto-sem{aspect-ratio:1/1}
.processo{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:12px;counter-reset:p}
.processo li{display:grid;grid-template-columns:40px 1fr;gap:0 14px;align-items:start;padding:16px 0;border-top:1px solid var(--linha);counter-increment:p}
.processo li::before{content:counter(p);grid-row:span 2;width:36px;height:36px;border-radius:50%;border:1.5px solid var(--ocre);color:var(--ocre);display:grid;place-items:center;font:600 15px var(--sans)}
.processo strong{font-weight:600}
.processo span{color:var(--mut)}
@media (min-width:900px){.sobre-g{grid-template-columns:.9fr 1.1fr;gap:72px}}

/* casos */
.casos{background:var(--papel-2)}
.casos-g{display:grid;gap:14px;margin-top:32px}
.caso{background:var(--cartao);border-radius:var(--r);padding:24px 22px;border:1px solid var(--linha)}
.caso h3{margin-bottom:8px}
.caso p:last-child{margin:0;color:var(--mut)}
@media (min-width:760px){.casos-g{grid-template-columns:repeat(3,1fr)}}

/* artigos */
.sec-c{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:12px 24px;margin-bottom:28px}
.sec-c h2{margin:0;max-width:20ch}
.art-g{display:grid;gap:18px}
.art-c a{display:block;color:var(--tinta);text-decoration:none;background:var(--cartao);border:1px solid var(--linha);border-radius:var(--r);overflow:hidden;height:100%;transition:transform .25s,box-shadow .25s}
.art-c a:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(31,36,33,.08)}
.art-c img,.art-c-sem{aspect-ratio:16/9;width:100%;object-fit:cover}
.art-c-sem{display:flex;align-items:end;padding:14px 16px;background:linear-gradient(160deg,var(--rio-claro),var(--papel-2))}
.art-c-sem span{font-family:var(--serif);font-size:18px;color:var(--azul)}
.art-c-t{padding:18px 18px 20px}
.art-c h3{font-size:22px;margin:0 0 8px}
.art-c-t p:last-child{color:var(--mut);margin:0;font-size:16px}
@media (min-width:760px){.art-g{grid-template-columns:repeat(3,1fr)}}
.temas{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.temas a{padding:8px 14px;border-radius:999px;border:1px solid var(--linha);color:var(--tinta);text-decoration:none;font-size:15px;font-weight:500;min-height:40px;display:inline-flex;align-items:center}
.temas a[aria-current=page]{background:var(--tinta);color:var(--papel);border-color:var(--tinta)}

/* páginas interiores */
.pag-heroi{padding:56px 0 40px}
.pag-heroi h1{max-width:16ch}
.pag-heroi .lead{max-width:44ch}
.pag-fz{background:var(--azul);color:#fff}
.pag-fz .antes{color:var(--rio-luz)}
.pag-fz .lead{color:#dfe6ec}
.pag-fz .rio{color:#fff;margin-top:24px;max-width:720px}
.pontos{padding-top:40px}
.pontos-g{display:grid;gap:14px}
.ponto{padding:26px 22px;border-radius:var(--r);background:var(--cartao);border:1px solid var(--linha)}
.ponto h2{font-size:26px;margin:10px 0 8px}
.ponto p{margin:0;color:var(--mut)}
@media (min-width:760px){.pontos-g{grid-template-columns:repeat(3,1fr)}}
.para-quem{background:var(--papel-2)}
.para-quem .lead{max-width:44ch;margin-bottom:24px}
.outros{padding-bottom:0}

/* artigo */
.art-h{padding-top:56px}
.art-h h1{font-size:clamp(34px,6.4vw,56px);max-width:20ch}
.art-capa{margin:24px auto 0;max-width:var(--larg);padding:0 16px}
.art-capa img{border-radius:var(--r);width:100%;max-height:560px;object-fit:cover}
.prosa{max-width:720px;padding-top:32px;padding-bottom:24px}
.prosa h2{font-size:30px;margin-top:1.6em}
.prosa h3{font-size:24px;margin-top:1.4em}
.prosa blockquote{margin:1.4em 0;padding:4px 0 4px 20px;border-left:3px solid var(--ocre);font-family:var(--serif);font-size:22px;line-height:1.4}
.prosa blockquote p{margin:0}
.prosa img{border-radius:12px;margin:1.4em 0}
.prosa figure{margin:0}
.prosa ul,.prosa ol{padding-left:1.3em}
.prosa li{margin:.3em 0}

/* perguntas frequentes */
.perguntas-g{display:grid;gap:28px}
.perguntas-l{border-top:1px solid var(--linha)}
.perguntas details{border-bottom:1px solid var(--linha)}
.perguntas summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;min-height:44px}
.perguntas summary::-webkit-details-marker{display:none}
.perguntas summary::after{content:"+";font:400 28px/1 var(--sans);color:var(--rio);flex:none;transition:transform .2s}
.perguntas details[open] summary::after{transform:rotate(45deg)}
.perguntas summary h3{font:600 18px/1.4 var(--sans);margin:0;letter-spacing:0}
.perguntas details p{margin:0 0 20px;color:var(--mut);max-width:62ch}
@media (min-width:900px){.perguntas-g{grid-template-columns:.8fr 1.2fr;gap:72px}}

/* contacto */
.contacto{background:var(--cartao);border-top:1px solid var(--linha)}
.contacto-g{display:grid;gap:40px}
.ic{width:22px;height:22px;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.ct-wa{display:flex;align-items:center;gap:16px;margin-top:28px;padding:18px 20px;border-radius:18px;background:var(--azul);color:#fff;text-decoration:none;transition:background .2s,transform .2s}
.ct-wa:hover{background:var(--rio);transform:translateY(-2px)}
.ct-wa .ic{width:44px;height:44px;padding:10px;border-radius:50%;background:rgba(255,255,255,.14);stroke-width:1.6}
.ct-wa strong{display:block;font-size:18px;font-weight:600}
.ct-wa small{display:block;font-size:14px;color:#d8e8e3;margin-top:2px}
.ct-wa .prov{margin-left:6px}
.ct-g{display:grid;gap:10px;margin-top:10px}
.ct{display:flex;align-items:center;gap:14px;padding:16px 18px;border:1px solid var(--linha);border-radius:16px;background:var(--papel);color:var(--tinta);text-decoration:none;min-width:0;transition:border-color .2s,transform .2s}
.ct:hover{border-color:var(--rio);transform:translateY(-2px)}
.ct .ic{width:40px;height:40px;padding:9px;border-radius:50%;background:var(--rio-claro);color:var(--rio-2)}
.ct span{min-width:0}
.ct small{display:block;font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--mut)}
.ct strong{display:block;font-size:17px;font-weight:600;margin-top:2px;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.ct-onde{display:flex;align-items:center;gap:8px;margin:18px 0 0;color:var(--mut);font-size:15px}
.ct-onde .ic{width:18px;height:18px;color:var(--ocre)}
@media (min-width:560px){.ct-g{grid-template-columns:1fr 1fr}.ct-larga{grid-column:1/-1}}
.form{display:flex;flex-direction:column}
.form label{font-size:14px;font-weight:600;margin:16px 0 6px}
.form label:first-of-type{margin-top:0}
.form input,.form select,.form textarea{width:100%;font:inherit;font-size:16px;color:var(--tinta);background:var(--papel);border:1.5px solid var(--linha);border-radius:12px;padding:12px 14px;min-height:50px}
.form textarea{resize:vertical;min-height:120px}
.form select{-webkit-appearance:none;appearance:none;padding-right:42px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%231f2421' stroke-width='1.6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;background-size:12px 8px}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--rio);box-shadow:0 0 0 3px var(--rio-claro)}
.form .btn{margin-top:18px;align-self:flex-start}
.form .mini{margin:14px 0 0}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.aviso{padding:12px 14px;border-radius:12px;font-size:15px;margin:0 0 16px}
.aviso.ok{background:var(--rio-claro);color:var(--rio-2)}
.aviso.erro{background:#f6dcd6;color:#8c2f22}
@media (min-width:900px){.contacto-g{grid-template-columns:1fr 1fr;gap:72px}}

/* rodapé */
.rodape{background:var(--azul);color:#d6dde3;padding:56px 0 calc(24px + env(safe-area-inset-bottom))}
.rodape a{color:#d9d6cf;text-decoration:none;display:block;padding:4px 0}
.rodape a:hover{color:#fff}
.rodape .logo-n{color:#fff;margin:0 0 6px}
.logo-rod{height:64px;width:auto;margin-bottom:12px}
.rodape .mut{color:#a7a59f}
.rodape-l{max-width:var(--larg);margin:0 auto;padding:0 16px;display:grid;gap:28px}
.r-t{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#a7a59f;margin-bottom:8px}
.rodape-b{max-width:var(--larg);margin:40px auto 0;padding:20px 16px 0;border-top:1px solid #3a403c;display:flex;justify-content:space-between;gap:12px;font-size:14px;color:#a7a59f}
.rodape-b a{display:inline;padding:0}
@media (min-width:760px){.rodape-l{grid-template-columns:2fr 1fr 1fr}}

/* entrada suave (só com JS e sem "reduzir movimento") */
@media (prefers-reduced-motion:no-preference){
  .js .revela{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
  .js .revela.visto{opacity:1;transform:none}
}

/* botão do WhatsApp sempre à mão */
.wa-flutua{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:30;display:inline-flex;align-items:center;gap:10px;height:56px;padding:0 16px 0 14px;border-radius:28px;background:#1faa59;color:#fff;text-decoration:none;font-weight:600;font-size:16px;box-shadow:0 8px 24px rgba(20,60,40,.28);transition:transform .2s,box-shadow .2s,background .2s}
.wa-flutua:hover{background:#178f4a;transform:translateY(-2px);box-shadow:0 12px 28px rgba(20,60,40,.32)}
.ic-wa{width:28px;height:28px}
@media (max-width:640px){.wa-flutua{width:56px;padding:0;justify-content:center}.wa-flutua-t{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}}
.rodape{padding-bottom:calc(88px + env(safe-area-inset-bottom))}
@media print{.wa-flutua{display:none}}

/* seletor de língua PT | ES */
.lingua{display:flex;align-items:center;gap:2px;margin-left:auto;padding:3px;border:1px solid var(--linha);border-radius:999px;background:var(--cartao)}
.lingua a{min-width:40px;min-height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font:600 13px/1 var(--sans);letter-spacing:.06em;color:var(--mut);text-decoration:none}
.lingua a[aria-current]{background:var(--azul);color:#fff}
.lingua a:not([aria-current]):hover{color:var(--azul)}
@media (min-width:821px){.lingua{order:3;margin-left:18px}.menu{margin-left:auto}}
@media (max-width:820px){.lingua{margin-right:4px}}