/* Nuclarq — folha de estilo única. Esquema escuro da maquete de homepage. */
@font-face{font-family:'Inter';font-style:normal;font-weight:100 900;font-display:swap;src:url('/fonts/inter-var-latin.woff2') format('woff2')}
:root{
  --bg:#1a2430;--bg2:#202c39;--bg3:#151d27;--panel:#243241;--line:#34475a;
  --text:#e9eef2;--muted:#9db0c0;--blue:#5f9bcb;--amber:#f0a733;--coral:#e2685c;
  --w:1120px;--pad:32px;--r:4px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:'Inter',-apple-system,'Segoe UI',Arial,sans-serif;font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-weight:300;line-height:1.18;letter-spacing:-.01em;margin:0 0 16px;color:#fff}
p{margin:0 0 16px}
.wrap{max-width:var(--w);margin:0 auto;padding:0 var(--pad)}
.kicker,.eyebrow{margin:0 0 14px;font-size:11px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--amber)}
.eyebrow.blue{color:var(--blue)}.eyebrow.coral{color:var(--coral)}

/* cabeçalho */
.site-head{position:sticky;top:0;z-index:50;background:rgba(26,36,48,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:80px}
.brand{display:flex;align-items:center;gap:16px;color:#fff}
.brand .logo-symbol{width:38px;height:38px}.brand .logo-word{height:32px;width:auto}
.nav{display:flex;gap:26px}
.nav a{font-size:12px;font-weight:600;letter-spacing:.06em;color:#fff;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover{color:var(--blue)}.nav a.on{border-color:var(--blue)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);color:#fff;border-radius:var(--r);padding:8px 12px;font:inherit;font-size:12px;cursor:pointer}

/* secções */
section.s{padding:84px 0;border-bottom:1px solid var(--line)}
section.s.alt{background:var(--bg2)}
section.s.about{background:var(--bg2)}
.intro .w1{color:var(--blue)}.intro .w2{color:var(--amber)}.intro .w3{color:var(--coral)}
.s h2{font-size:clamp(26px,3.4vw,38px)}
.s h2.wide{max-width:none}
.lede{max-width:62ch;color:var(--muted);font-size:15px}
.intro{max-width:none;color:var(--text);font-size:clamp(22px,2.7vw,36px);font-weight:200;line-height:1.35;letter-spacing:-.01em;margin:0}
.nav .lang{display:inline-flex;align-items:center;gap:8px;margin-left:10px;font-size:12px;font-weight:600;letter-spacing:.06em}
.nav .lang i{font-style:normal;color:var(--muted);opacity:.6}
.nav .lang a,.nav .lang .cur{padding:6px 0;border-bottom:2px solid transparent}
.nav .lang .cur{color:#fff;border-color:var(--blue)}
.btn{display:inline-block;padding:12px 22px;border:1px solid #fff;border-radius:var(--r);background:transparent;color:#fff;font-size:12px;font-weight:600;letter-spacing:.04em;cursor:pointer;font-family:inherit}
.btn:hover{background:#fff;color:var(--bg)}
.row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px}
.row h2{margin:0}

/* cartões */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--panel);border:1px solid var(--line);border-top:3px solid var(--blue);border-radius:var(--r);padding:22px 20px}
.card.c2{border-top-color:var(--amber)}.card.c3{border-top-color:var(--coral)}
.card .no{font-size:11px;font-weight:700;letter-spacing:.2em;color:var(--blue);margin:0 0 14px}
.card.c2 .no{color:var(--amber)}.card.c3 .no{color:var(--coral)}
.card h3{font-size:17px;font-weight:600;margin-bottom:10px}
.card p{font-size:13px;color:var(--muted);margin-bottom:0}
.qs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
.q{border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;background:var(--bg2)}
.q b{display:block;font-weight:600;color:#fff;margin-bottom:6px;font-size:14px}
.q span{font-size:12.5px;color:var(--muted)}

/* grelha de projectos */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 30px}
.chip{background:transparent;border:1px solid var(--line);color:var(--muted);border-radius:var(--r);padding:9px 14px;font:inherit;font-size:11.5px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;cursor:pointer}
.chip:hover{color:#fff;border-color:var(--muted)}.chip.on{color:#fff;border-color:var(--blue);background:rgba(95,155,203,.12)}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px 18px}
.grid.three{grid-template-columns:repeat(3,1fr)}
.pcard{display:block}
.pcard .ph{aspect-ratio:4/3;overflow:hidden;border-radius:var(--r);background:var(--panel)}
.pcard .ph img{width:100%;height:100%;object-fit:cover}
.pcard .lab{margin:12px 0 4px;font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.pcard .tt{font-size:15px;font-weight:600;color:#fff;margin:0}
.pcard:hover .tt{color:var(--blue)}
.pcard[hidden]{display:none}

/* filtro de cor (igual ao da landing); some ao passar o rato */
.graded img,img.graded,.graded iframe{filter:url(#nq-grade) grayscale(6%) saturate(90%) brightness(.94);transition:filter .6s ease}
@media (hover:hover){.graded:hover img,.graded:hover iframe,img.graded:hover{filter:none}}
@media (hover:none){.graded img,img.graded,.graded iframe{filter:none}}

/* páginas de texto */
.page-head{padding:78px 0 30px}.page-head h1{font-size:clamp(32px,4.4vw,50px);margin:0}
.prose,.legal{max-width:760px;padding-bottom:90px}
.prose h2,.legal h2{font-size:22px;font-weight:600;margin:40px 0 12px}
.prose h2.big{font-size:clamp(26px,3.4vw,38px);font-weight:300;margin:0 0 26px}
.qsec{padding:8px 0 64px;margin-bottom:64px;border-bottom:1px solid var(--line)}
.qsec h2,.phases-head h2{font-size:clamp(24px,3vw,32px);max-width:none;margin-bottom:0}
.qsec .qs{margin-top:22px;grid-template-columns:repeat(2,1fr)}
.phases-head{padding-bottom:22px}
.prose{padding-top:20px;border-top:1px solid var(--line)}
.prose h2 .no{color:var(--amber);margin-right:10px;font-weight:700}
.prose p,.legal p{color:#cbd6df}
.legal a,.prose a{color:var(--blue);border-bottom:1px solid rgba(95,155,203,.4)}
.phases{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding-bottom:90px}
.phase{background:var(--panel);border:1px solid var(--line);border-top:3px solid var(--blue);border-radius:var(--r);padding:26px 24px}
.phase.p2{border-top-color:var(--amber)}.phase.p3{border-top-color:var(--coral)}
.phase-no{font-size:11px;font-weight:700;letter-spacing:.2em;color:var(--blue);margin-bottom:12px}
.p2 .phase-no{color:var(--amber)}.p3 .phase-no{color:var(--coral)}
.phase h2{font-size:21px;font-weight:600;margin-bottom:22px}
.phase h3{font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:#fff;margin:22px 0 4px}
.phase .lead{font-size:13.5px;margin-bottom:4px;color:var(--text)}
.phase .tags{font-size:12px;color:var(--muted)}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;padding-bottom:50px}
.cols3 h3{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--amber);margin-bottom:12px}
.cols3 p{margin:0 0 4px;color:#cbd6df}
.cols3 a{color:var(--blue)}

/* mapa */
.map{padding-bottom:90px}
.map-box{position:relative;height:400px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;align-items:center;justify-content:center;text-align:center}
.map-box iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.map-in{max-width:520px;padding:24px}
.map-in h3{font-size:18px;font-weight:600}.map-in p{font-size:13px;color:var(--muted)}
.map-in .alt{margin-top:14px;font-size:12px}.map-in .alt a{color:var(--muted);border-bottom:1px solid var(--line)}

/* ficha de projecto */
.ficha{padding-top:36px;padding-bottom:90px}
.ficha-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:16px;border-bottom:1px solid var(--line);font-size:10px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.ficha-top a:hover{color:var(--amber)}
.ficha-title{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:end;margin:46px 0 40px}
.ficha-title h1{font-size:clamp(32px,4.2vw,50px);margin:0}
.ficha-title.one h1{white-space:nowrap;font-size:clamp(28px,3.6vw,46px)}
.meta{display:grid;grid-template-columns:1fr 1fr;gap:20px 36px;margin:0}
.meta dt{font-size:9px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.meta dd{margin:6px 0 0;font-size:14px;color:#fff}
.stage{position:relative;border-radius:var(--r);overflow:hidden;background:var(--bg3)}
.stage.natural img{width:100%;height:auto}
.gallery .stage{aspect-ratio:3/2}
.gallery .stage img{width:100%;height:100%;object-fit:contain;transition:opacity .25s ease}
.cap{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between;align-items:flex-end;gap:16px;padding:46px 24px 18px;background:linear-gradient(transparent,rgba(21,29,39,.78));color:#fff;pointer-events:none}
.cap span{font-size:12px;letter-spacing:.04em}.cap strong{font-size:10px;letter-spacing:.16em;text-transform:uppercase}
.arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.9);color:#1a2430;font-size:26px;line-height:42px;padding:0;cursor:pointer}
.arrow:hover{background:#fff}.arrow.prev{left:16px}.arrow.next{right:16px}
.count{position:absolute;right:20px;top:18px;padding:6px 10px;background:rgba(21,29,39,.65);color:#fff;font-size:11px;letter-spacing:.12em;border-radius:2px}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px;margin-top:12px}
.thumb{padding:0;border:0;background:var(--bg3);aspect-ratio:16/9;overflow:hidden;border-radius:var(--r);cursor:pointer;opacity:.55;transition:opacity .2s}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb:hover,.thumb.on{opacity:1}.thumb.on{outline:2px solid var(--amber);outline-offset:-2px}
.phase-line{display:grid;grid-template-columns:1fr 1fr .45fr;gap:5px;height:4px;margin-top:46px}
.phase-line i:nth-child(1){background:var(--blue)}.phase-line i:nth-child(2){background:var(--amber)}.phase-line i:nth-child(3){background:var(--coral)}
.ficha-foot{display:flex;justify-content:flex-end;margin-top:12px;font-size:9px;letter-spacing:.08em;color:var(--muted)}

/* rodapé */
.foot{background:var(--bg3);border-top:4px solid transparent;border-image:linear-gradient(90deg,var(--blue) 0 33%,var(--amber) 33% 66%,var(--coral) 66% 100%) 1}
.foot .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:20px;padding-bottom:20px;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.foot a:hover{color:#fff}

/* landing */
body.landing{margin:0;height:100vh;height:100dvh;overflow:hidden;background:#1a2430}
.l-stage{position:fixed;inset:0}
.l-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease}
.l-slide.on{opacity:1;z-index:1}
.l-slide img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);transition:transform 3.5s linear,filter .6s ease;filter:url(#nq-grade) grayscale(6%) saturate(90%) brightness(.94)}
.l-slide.on img{transform:scale(1)}
.l-stage.natural .l-slide img{filter:none}
@media (hover:hover){.l-stage:hover .l-slide img{filter:none}}
.l-scrim{position:absolute;inset:0;z-index:2;background:linear-gradient(180deg,rgba(15,21,27,.72) 0%,rgba(15,21,27,.18) 26%,rgba(15,21,27,.16) 52%,rgba(15,21,27,.88) 100%);pointer-events:none}
.l-head{position:absolute;top:0;left:0;right:0;z-index:5;display:flex;align-items:center;justify-content:space-between;padding:30px 44px}
.l-head .brand{filter:drop-shadow(0 1px 8px rgba(0,0,0,.45))}
.l-head .brand .logo-symbol{width:54px;height:54px}.l-head .brand .logo-word{height:49px}
.l-head .nav a{color:rgba(255,255,255,.88);text-shadow:0 1px 8px rgba(0,0,0,.45)}
.l-foot{position:absolute;left:0;right:0;bottom:0;z-index:5;display:flex;align-items:center;justify-content:flex-end;gap:40px;padding:26px 44px}
 .l-hero{position:absolute;z-index:5;left:44px;bottom:26px;max-width:680px;transition:opacity .4s ease}
.l-eyebrow{margin:0 0 16px;font-size:12px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;text-shadow:0 1px 8px rgba(0,0,0,.4)}
.l-q{margin:0;color:#fff;font-size:clamp(30px,4.6vw,50px);font-weight:200;line-height:1.14;letter-spacing:-.01em;text-wrap:balance;text-shadow:0 1px 14px rgba(0,0,0,.35)}
.l-cap{margin:0;color:rgba(255,255,255,.9);font-size:13px;letter-spacing:.02em}.l-cap b{color:#fff;font-weight:600}.l-cap i{font-style:normal;color:rgba(255,255,255,.5);margin:0 10px}
.dots{display:flex;gap:10px}
.dots button{position:relative;width:34px;height:3px;padding:0;border:0;background:rgba(255,255,255,.32);border-radius:2px;overflow:hidden;cursor:pointer}
.dots button .f{position:absolute;inset:0;background:#fff;transform-origin:left;transform:scaleX(0)}
.dots button.on .f{animation:fill var(--dur,5s) linear forwards}
@keyframes fill{to{transform:scaleX(1)}}

/* ecrãs pequenos */
@media(max-width:980px){
  .grid{grid-template-columns:repeat(3,1fr)}.cards,.phases,.cols3,.qs,.qsec .qs{grid-template-columns:1fr}
  .ficha-title{grid-template-columns:1fr;gap:26px}.ficha-title.one h1{white-space:normal}
  .foot .wrap{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  :root{--pad:20px}
  .brand{gap:12px}.brand .logo-symbol{width:30px;height:30px}.brand .logo-word{height:25px}
  .site-head .wrap{height:68px}
  .nav-toggle{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:8px var(--pad)}
  .nav.open{display:flex}.nav a{padding:14px 0;border-bottom:1px solid var(--line)}
  .nav .lang{margin-left:0;padding:14px 0}.nav .lang a,.nav .lang .cur{padding:2px 0}
  .grid,.grid.three{grid-template-columns:1fr 1fr}
  section.s{padding:56px 0}
  .l-head{padding:20px 22px}.l-head .nav-toggle{background:rgba(26,36,48,.5)}.l-head .nav{top:78px;background:rgba(26,36,48,.97)}.l-head .brand .logo-symbol{width:36px;height:36px}.l-head .brand .logo-word{height:30px}
  .l-hero{left:22px;right:22px;bottom:96px}
  .l-foot{padding:18px 22px;flex-direction:column;align-items:flex-end;gap:14px}.l-cap{text-align:right}
  .arrow{width:36px;height:36px;font-size:22px;line-height:34px}
  .meta{grid-template-columns:1fr 1fr}
}
@media(prefers-reduced-motion:reduce){.l-slide{transition:opacity .3s}.l-slide img{transition:none;transform:none}.dots button.on .f{animation:none;transform:scaleX(1)}}

/* perguntas frequentes */
.faq{display:grid;grid-template-columns:1fr;gap:36px}
.faq-list{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:18px;padding:22px 0;font-size:16px;font-weight:500;color:var(--text)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"";flex:none;width:12px;height:12px;margin:0 4px;color:var(--blue);background:linear-gradient(currentColor,currentColor) center/100% 1.5px no-repeat,linear-gradient(currentColor,currentColor) center/1.5px 100% no-repeat;transition:background-size .25s ease}
.faq details[open] summary::before{background-size:100% 1.5px,1.5px 0}
.faq summary:hover{color:var(--blue)}
.faq details p{margin:0 0 26px 38px;color:var(--muted);font-size:15px;line-height:1.65}
.faq-link{color:var(--blue);white-space:nowrap}
@media(max-width:900px){.faq{gap:28px}}