/* Tulipa Construções — manual de identidade (out/2026): dourado #D4AF37, preto #0B0B0B,
   cinza quente #D9D7D2, off-white #F8F7F4, Montserrat. */
:root{--ouro:#d4af37;--ouro-claro:#ebcd6e;--ouro-esc:#9c7a1c;--preto:#0b0b0b;--carvao:#151412;--cinza:#d9d7d2;--off:#f8f7f4;--texto:#5c5a55;--raio:12px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;overflow-x:clip;background:var(--preto);color:#fff;font:400 16px/1.65 Montserrat,'DejaVu Sans',Arial,sans-serif;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;width:100%;height:100%;object-fit:cover}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-weight:700;line-height:1.08;letter-spacing:-.02em;margin:0 0 18px}
h2{font-size:clamp(30px,3.6vw,50px)}
h3{font-size:20px;line-height:1.2}
p{margin:0 0 20px;color:#c9c6bf}
svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.wrap{width:min(1200px,calc(100% - 64px));margin:0 auto}
.secao{padding:110px 0;position:relative}
.skip{position:absolute;left:12px;top:-60px;z-index:200;background:#fff;color:#000;padding:10px 14px}.skip:focus{top:12px}
.ouro{color:var(--ouro);background:linear-gradient(180deg,#f0d47c,#c99a22);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.ouro-escuro{color:var(--ouro-esc)}
.centro{text-align:center}

/* botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:16px 28px;border-radius:8px;border:1.5px solid transparent;font:600 15px Montserrat,sans-serif;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}
.btn svg{width:18px;height:18px;transition:transform .2s}
.btn:hover{transform:translateY(-2px)}.btn:hover svg{transform:translateX(3px)}
.btn-ouro{background:linear-gradient(180deg,#eacb72,#cfa53a);color:#1a1405;box-shadow:0 10px 26px #d4af3733}
.btn-ouro:hover{box-shadow:0 14px 30px #d4af3755}
.btn-linha{border-color:#ffffffb0;color:#fff}.btn-linha:hover{background:#ffffff14}
.btn-escuro{background:var(--preto);color:#fff;border-color:var(--preto)}.btn-escuro svg{color:var(--ouro)}
.btn-peq{padding:12px 20px;font-size:14px}

/* sobretítulos e linhas finas (elementos do manual) */
.sobretitulo{display:inline-flex;align-items:center;gap:14px;margin-bottom:18px;font-size:13px;font-weight:500;letter-spacing:.28em;text-transform:uppercase;color:#e8e4da}
.sobretitulo.sobre-escuro{color:#3d3a34}
.sobretitulo.sobre-escuro:after,.linha-depois:after{content:'';width:70px;height:1px;background:var(--ouro)}
.linhas:before,.linhas:after{content:'';width:56px;height:1px;background:var(--ouro)}
.linha-curta:before{content:'';width:40px;height:3px;background:var(--ouro)}

/* topo */
.topo{position:fixed;top:0;left:0;right:0;z-index:100;background:linear-gradient(180deg,#0b0b0bee,#0b0b0b00);transition:background .3s,box-shadow .3s}
.topo.solido{background:#0b0b0bf2;box-shadow:0 8px 30px #0008;backdrop-filter:blur(8px)}
.topo-in{display:flex;align-items:center;gap:30px;height:84px}
.marca img{width:auto;height:52px}
.menu{display:flex;align-items:center;gap:30px;margin-left:auto;font-size:15px;font-weight:500}
.menu>a:not(.btn){position:relative;padding:8px 0;color:#e9e6df}
.menu>a:not(.btn):after{content:'';position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--ouro);transform:scaleX(0);transition:transform .25s}
.menu>a:not(.btn):hover:after,.menu>a.ativo:after{transform:none}
.menu>a.ativo{color:var(--ouro)}
.menu-cta{display:none}
.topo-cta{padding:13px 24px}
.hamburguer{display:none;margin-left:auto;width:46px;height:46px;border:1px solid #ffffff30;border-radius:8px;background:none;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.hamburguer span{display:block;width:20px;height:2px;background:#fff;transition:transform .25s,opacity .25s}
.hamburguer[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburguer[aria-expanded=true] span:nth-child(2){opacity:0}
.hamburguer[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* capa */
.capa{position:relative;min-height:min(100vh,860px);min-height:min(100svh,860px);display:flex;align-items:center;padding:130px 0 70px;overflow:hidden}
.capa-fundo{position:absolute;inset:0}
.capa-fundo img{object-position:70% center}
.capa:before{content:'';position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,#0b0b0bf2 0%,#0b0b0bcc 32%,#0b0b0b55 58%,#0b0b0b10 80%),linear-gradient(0deg,#0b0b0bcc,transparent 30%)}
.capa-txt{position:relative;z-index:2}
.capa h1{font-size:clamp(44px,6vw,86px);font-weight:800;line-height:1.02;max-width:720px;margin-bottom:24px}
.capa-txt>p{max-width:560px;font-size:clamp(17px,1.5vw,20px);color:#f1eee6;margin-bottom:34px}
.acoes{display:flex;flex-wrap:wrap;gap:16px}
.capa-selos{list-style:none;margin:48px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:0}
.capa-selos li{display:flex;align-items:center;gap:14px;padding:0 28px;font-size:14px;line-height:1.35;color:#eee}
.capa-selos li:first-child{padding-left:0}
.capa-selos li+li{border-left:1px solid #ffffff30}
.capa-selos svg{width:34px;height:34px;color:var(--ouro);flex:none}

/* secções claras */
.claro{background:#fff;color:#111}
.claro p{color:var(--texto)}
.cinza{background:var(--off)}

/* sobre */
.sobre{display:grid;grid-template-columns:.95fr 1.05fr;gap:80px;align-items:center}
.sobre-foto{position:relative;height:600px}
.sobre-foto img{position:relative;z-index:1;border-radius:var(--raio)}
.sobre-moldura{position:absolute;inset:-18px 40px 40px -18px;border:1.5px solid var(--ouro);border-radius:var(--raio)}
.sobre-txt h2{max-width:560px}
.icones-linha{list-style:none;margin:30px 0 36px;padding:0;display:flex}
.icones-linha li{display:flex;align-items:center;gap:12px;padding:0 24px;font-size:14px;font-weight:600;line-height:1.3;color:#222}
.icones-linha li:first-child{padding-left:0}
.icones-linha li+li{border-left:1px solid var(--cinza)}
.icones-linha svg{width:34px;height:34px;color:var(--ouro-esc);flex:none}

/* serviços */
.escuro{background:radial-gradient(1200px 500px at 50% -10%,#1d1a12 0%,var(--preto) 60%)}
.cabeca{display:flex;justify-content:space-between;align-items:flex-end;gap:50px;margin-bottom:54px}
.cabeca h2{margin:0;max-width:640px}
.cabeca>p{max-width:400px;margin:0}
.cabeca.centro{display:block;text-align:center}
.cabeca.centro h2{margin:0 auto 16px}
.cabeca.centro p{margin:0 auto;max-width:560px}
.servicos{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.servico{display:flex;flex-direction:column;border:1px solid #d4af3766;border-radius:14px;overflow:hidden;background:linear-gradient(180deg,#141310,#0d0d0c);transition:transform .3s,border-color .3s}
.servico:hover{transform:translateY(-6px);border-color:var(--ouro)}
.servico>img{height:230px}
.servico-txt{display:flex;flex-direction:column;flex:1;padding:26px 26px 30px}
.servico h3{display:flex;align-items:center;gap:16px;font-size:21px}
.ic{display:inline-grid;place-items:center;flex:none;width:52px;height:52px;border:1.5px solid var(--ouro);border-radius:50%;color:var(--ouro)}
.ic svg{width:24px;height:24px}
.servico p{font-size:15px;margin-bottom:24px}
.servico .btn{align-self:flex-start;margin-top:auto}

/* detalhes (fundo claro) */
.detalhes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.detalhes figure{margin:0;background:#fff;border-radius:var(--raio);overflow:hidden;box-shadow:0 14px 40px #0000000f;border-bottom:3px solid var(--ouro)}
.detalhes img{height:220px}
.detalhes figcaption{padding:22px 24px 26px;color:var(--texto);font-size:14px}
.detalhes strong{display:block;margin-bottom:6px;color:#111;font-size:18px}

/* projetos */
.projetos-sec:after{content:'';position:absolute;right:4%;top:40px;width:340px;height:280px;background:url(img/simbolo.png) center/contain no-repeat;opacity:.07;pointer-events:none}
.projetos{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.projeto{border:1px solid #ffffff1a;border-radius:var(--raio);overflow:hidden;background:#121210}
.projeto>img{height:250px}
.projeto>div{padding:24px 24px 28px}
.traco{display:block;width:28px;height:3px;margin-bottom:16px;background:var(--ouro)}
.projeto h3{margin-bottom:8px}
.projeto p{font-size:14px;margin:0}
.nota-ilustrativa{margin:16px 0 34px;font-size:12px;color:#8d8a83;text-align:right}

/* processo (fundo claro) */
.processo{display:grid;grid-template-columns:1fr .9fr;gap:70px;align-items:center}
.passos{list-style:none;margin:30px 0 34px;padding:0;display:grid;gap:14px;counter-reset:p}
.passos li{position:relative;display:flex;align-items:center;gap:18px;padding:14px 20px 14px 66px;border:1px solid var(--cinza);border-radius:10px;background:var(--off)}
.passos li>b{position:absolute;left:12px;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:38px;height:38px;border:1.5px solid var(--ouro);border-radius:50%;color:#111;font-size:15px}
.passos li:not(:last-child)>b:after{content:'';position:absolute;top:100%;left:50%;width:1.5px;height:28px;background:var(--ouro)}
.passos .ic{width:44px;height:44px;border:0;border-radius:8px;background:var(--preto)}
.passos h3{margin:0 0 2px;font-size:17px;color:var(--ouro-esc)}
.passos p{margin:0;font-size:14px}
.processo-foto{position:relative;height:640px;border-radius:var(--raio);overflow:hidden}
.processo-foto:before{content:'';position:absolute;inset:0;z-index:1;border:1.5px solid var(--ouro);border-radius:var(--raio);pointer-events:none}

/* porquê nós */
.porque{overflow:hidden;background:var(--preto)}
.porque-fundo{position:absolute;top:0;right:0;width:58%;height:100%;object-position:center}
.porque:before{content:'';position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,var(--preto) 0%,var(--preto) 40%,#0b0b0bcc 55%,#0b0b0b33 80%,#0b0b0b00 100%)}
.porque-in{position:relative;z-index:2}
.porque-in>p{max-width:520px}
.razoes{display:grid;grid-template-columns:repeat(2,minmax(0,330px));gap:18px;margin:34px 0 46px}
.razoes>div{display:flex;gap:18px;padding:24px;border:1px solid #d4af3740;border-radius:12px;background:#0b0b0bcc;backdrop-filter:blur(4px)}
.razoes svg{width:44px;height:44px;color:var(--ouro);flex:none}
.razoes h3{font-size:18px;margin-bottom:6px;color:var(--ouro)}
.razoes p{margin:0;font-size:14px}
.barra{display:grid;grid-template-columns:repeat(3,1fr);padding:26px 34px;border:1px solid #d4af3740;border-radius:14px;background:#0b0b0be6}
.barra>div{display:flex;align-items:center;justify-content:center;gap:18px}
.barra>div+div{border-left:1px solid #ffffff22}
.barra .ic{width:62px;height:62px;background:#1a1710}
.barra strong{font-size:21px;line-height:1.15;color:var(--ouro)}
.barra em{font-style:normal;color:#fff}

/* contactos */
.contactos{overflow:hidden}
.contactos-fundo{position:absolute;inset:0;filter:brightness(.35)}
.contactos:before{content:'';position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,#0b0b0bf5 0%,#0b0b0bd9 45%,#0b0b0b88 100%)}
.contactos-in{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.contactos-logo{width:auto;height:64px;margin-bottom:46px}
.contacto-linhas{list-style:none;margin:30px 0 0;padding:0;display:grid;gap:22px}
.contacto-linhas li{display:flex;align-items:center;gap:18px}
.contacto-linhas strong{display:block;color:var(--ouro);font-size:17px}
.contacto-linhas span:not(.ic){color:#eee}
.form{padding:34px;border:1px solid #d4af3755;border-radius:16px;background:#0b0b0be0;backdrop-filter:blur(6px)}
.form h3{font-size:24px;margin-bottom:8px}
.form>p{font-size:15px;margin-bottom:24px}
.form label{display:block;margin-bottom:16px;font-size:14px;font-weight:600}
.campo{position:relative;display:block;margin-top:8px}
.campo svg{position:absolute;left:15px;top:50%;width:18px;height:18px;transform:translateY(-50%);color:#8d8a83;pointer-events:none}
.campo input,.campo textarea{display:block;width:100%;padding:14px 16px 14px 46px;border:1px solid #ffffff2a;border-radius:8px;background:#141412;color:#fff;font:inherit;font-size:15px;transition:border-color .2s}
.campo-txt textarea{padding-left:16px;resize:vertical}
.campo input::placeholder,.campo textarea::placeholder{color:#8d8a83}
.campo input:focus,.campo textarea:focus{outline:0;border-color:var(--ouro)}
.form .btn{width:100%;margin-top:6px}
.form-estado{margin:14px 0 0;font-size:13px}

/* rodapé */
.rodape{background:#060606;border-top:1px solid #d4af3733;padding:70px 0 0;color:#a9a59c;font-size:14px}
.rodape-in{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:50px}
.rodape img{width:auto;height:54px;margin-bottom:20px}
.rodape h3{color:#fff;font-size:15px;margin-bottom:16px}
.rodape-in>div>a,.rodape-in>div>span{display:block;margin-bottom:10px}
.rodape a:hover{color:var(--ouro)}
.rodape-fim{display:flex;justify-content:space-between;gap:20px;margin-top:50px;padding:24px 0;border-top:1px solid #ffffff14;font-size:13px}

/* animação de entrada */
.revela{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.revela.visivel{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.revela{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

@media(max-width:1100px){
  .menu{gap:20px;font-size:14px}
  .topo-cta{display:none}
  .razoes{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
  .wrap{width:calc(100% - 40px)}
  .secao{padding:80px 0}
  .hamburguer{display:flex}
  .menu{position:fixed;top:76px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:10px 20px 24px;background:#0b0b0bfa;box-shadow:0 20px 30px #000a;transform:translateY(-12px);opacity:0;visibility:hidden;transition:opacity .25s,transform .25s,visibility .25s}
  .menu.aberto{opacity:1;visibility:visible;transform:none}
  .menu>a:not(.btn){padding:15px 0;border-bottom:1px solid #ffffff14;font-size:17px}
  .menu>a:not(.btn):after{display:none}
  .menu-cta{display:flex;margin-top:18px}
  .topo-in{height:76px}
  .marca img{height:44px}
  .sobre,.processo,.contactos-in{grid-template-columns:1fr;gap:50px}
  .sobre-foto{height:420px;margin:18px 0 0 18px}
  .servicos,.detalhes,.projetos{grid-template-columns:1fr}
  .cabeca{display:block}.cabeca>p{margin-top:16px}
  .processo-foto{height:420px}
  .porque-fundo{width:100%;opacity:.35}
  .porque:before{background:linear-gradient(180deg,#0b0b0bdd,#0b0b0bf5)}
  .barra{grid-template-columns:1fr;gap:18px}
  .barra>div{justify-content:flex-start}
  .barra>div+div{border-left:0;border-top:1px solid #ffffff22;padding-top:18px}
  .rodape-in{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .capa{padding:110px 0 50px}
  .capa:before{background:linear-gradient(180deg,#0b0b0bb3 0%,#0b0b0b99 40%,#0b0b0bee 100%)}
  .capa h1{font-size:42px}
  .acoes .btn{width:100%}
  .capa-selos{display:grid;gap:16px;margin-top:36px}
  .capa-selos li{padding:0!important;border:0!important}
  .icones-linha{flex-direction:column;gap:16px}
  .icones-linha li{padding:0!important;border:0!important}
  .razoes{grid-template-columns:1fr}
  .form{padding:24px 18px}
  .rodape-in{grid-template-columns:1fr}
  .rodape-fim{flex-direction:column}
}

/* secção especial: substituição integral do telhado */
.link-ouro{color:var(--ouro-esc);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.servico .link-ouro{color:var(--ouro)}
.substituicao{background:#fff}
.subst-topo{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.subst-txt h2{max-width:560px}
.subst-lead{font-size:17px}
.subst-sub{margin:30px 0 16px;font-size:18px;color:#111}
.subst-sinais{list-style:none;margin:0 0 34px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.subst-sinais li{display:flex;gap:14px;align-items:flex-start;padding:16px;border:1px solid var(--cinza);border-radius:10px;background:var(--off)}
.subst-sinais svg{width:32px;height:32px;flex:none;padding:6px;border-radius:8px;background:var(--preto);color:var(--ouro)}
.subst-sinais strong{display:block;font-size:15px;color:#111;margin-bottom:2px}
.subst-sinais span{display:block;font-size:13px;line-height:1.45;color:var(--texto)}
.subst-foto{position:relative;z-index:0;height:560px}
.subst-foto img{border-radius:var(--raio)}
.subst-foto:before{content:'';position:absolute;inset:18px -18px -18px 18px;z-index:-1;border:1.5px solid var(--ouro);border-radius:var(--raio)}
.subst-selo{position:absolute;left:-26px;bottom:34px;padding:20px 24px;border-radius:10px;background:var(--preto);border-left:4px solid var(--ouro);box-shadow:0 20px 40px #0004}
.subst-selo strong{display:block;font-size:20px;color:var(--ouro)}
.subst-selo span{font-size:13px;line-height:1.4;color:#ddd}
.subst-camadas{margin-top:100px;padding:54px;border-radius:16px;color:#fff;background:radial-gradient(800px 300px at 90% 0%,#2a2412,transparent 70%),var(--preto)}
.subst-camadas-cab{margin-bottom:34px}
.subst-camadas-cab h3{margin:0;font-size:clamp(24px,2.4vw,32px)}
.subst-camadas ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.subst-camadas li{padding:26px 24px;border:1px solid #d4af3740;border-radius:12px;background:#ffffff06}
.subst-camadas li b{display:block;margin-bottom:12px;font-size:30px;font-weight:800;color:transparent;-webkit-text-stroke:1.2px var(--ouro)}
.subst-camadas li h3{margin-bottom:8px;font-size:17px;color:var(--ouro)}
.subst-camadas li p{margin:0;font-size:14px;color:#c9c6bf}
.subst-beneficios{list-style:none;margin:40px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--cinza);border-bottom:1px solid var(--cinza)}
.subst-beneficios li{padding:26px 24px}
.subst-beneficios li+li{border-left:1px solid var(--cinza)}
.subst-beneficios strong{display:block;margin-bottom:4px;font-size:16px;color:#111}
.subst-beneficios strong:before{content:'';display:block;width:24px;height:3px;margin-bottom:12px;background:var(--ouro)}
.subst-beneficios span{font-size:14px;color:var(--texto)}
@media(max-width:1100px){.menu>a[href="#substituicao"]{display:none}}
@media(max-width:900px){
  .menu>a[href="#substituicao"]{display:block}
  .subst-topo{grid-template-columns:1fr;gap:50px}
  .subst-foto{height:380px;margin-right:18px}
  .subst-selo{left:12px;bottom:-24px}
  .subst-camadas{margin-top:80px;padding:34px 22px}
  .subst-camadas ol{grid-template-columns:1fr}
  .subst-beneficios{grid-template-columns:1fr 1fr}
  .subst-beneficios li:nth-child(3){border-left:0}
  .subst-beneficios li:nth-child(n+3){border-top:1px solid var(--cinza)}
}
@media(max-width:600px){
  .subst-sinais,.subst-beneficios{grid-template-columns:1fr}
  .subst-beneficios li{border-left:0!important;border-top:1px solid var(--cinza)}
  .subst-beneficios li:first-child{border-top:0}
}

/* botão flutuante do WhatsApp, a pulsar */
.whats{position:fixed;right:22px;bottom:22px;z-index:90;display:grid;place-items:center;width:62px;height:62px;border-radius:50%;background:#25d366;color:#fff;box-shadow:0 10px 26px #0006;transition:transform .2s}
.whats:hover{transform:scale(1.07)}
.whats svg{position:relative;z-index:1;width:34px;height:34px;fill:currentColor;stroke:none}
.whats-pulso,.whats:before{content:'';position:absolute;inset:0;border-radius:50%;background:#25d366;animation:pulso 2s ease-out infinite}
.whats:before{animation-delay:1s}
@keyframes pulso{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.9);opacity:0}}
@media (prefers-reduced-motion:reduce){.whats-pulso,.whats:before{animation:none;opacity:0}}
@media(max-width:600px){.whats{right:16px;bottom:16px;width:56px;height:56px}}

/* telemóvel e tablet: botão de orçamento visível no topo, ao lado do menu */
@media(max-width:1100px){
  .topo-cta{display:inline-flex;margin-left:auto;padding:11px 16px;font-size:14px;gap:8px}
  .topo-cta svg{width:16px;height:16px}
  .hamburguer{margin-left:0}
  .menu{margin-left:0}
}
@media(min-width:901px) and (max-width:1100px){.topo-cta{margin-left:0}.menu{margin-left:auto}}
@media(max-width:400px){.topo-cta{padding:10px 12px;font-size:13px}.marca img{height:38px}.topo-in{gap:12px}}
.topo-cta{white-space:nowrap}
@media(max-width:600px){.topo-cta .so-pc{display:none}.marca img{height:40px}.topo-in{gap:12px}}
@media(max-width:360px){.topo-cta svg{display:none}}
.nw{white-space:nowrap}
@media(max-width:600px){.capa h1{font-size:min(42px,9.6vw)}.capa .sobretitulo{font-size:12px;letter-spacing:.2em}}
@media(max-width:360px){.marca img{height:34px}.topo-cta{padding:9px 11px}}