/* =========================================================
   VENTTUR Construções e Engenharia — landing page
   IDV (somente cores do kit): #F26605 · #000000 · #F3F3F3 · #929497
   Exceção liberada: verde oficial do WhatsApp no botão flutuante
   Tipos do kit: Ethnocentric (títulos) · Campton (texto)
   Na web: Michroma (rótulos) e Outfit (títulos e texto)
   Regra: nada piscando (sem blink, pulso ou ruído animado)
   ========================================================= */
:root{
  --laranja:#F26605;
  --gelo:#F3F3F3;
  --cinza:#929497;
  --mut:rgba(243,243,243,.68);
  --line:rgba(243,243,243,.14);
  --ink-mut:rgba(0,0,0,.62);
  --ink-line:rgba(0,0,0,.12);
  --wa:#25D366;
  --font:'Outfit',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --font-d:'Michroma','Outfit',system-ui,sans-serif;
  --pad:clamp(20px,4vw,56px);
}
*{margin:0;padding:0;box-sizing:border-box}
html{overflow-x:clip;scroll-padding-top:90px}
body{background:#000;color:var(--gelo);font-family:var(--font);line-height:1.55;overflow-x:clip;-webkit-font-smoothing:antialiased}
::selection{background:var(--laranja);color:#000}
img,video{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--laranja);outline-offset:3px}

/* ---------- palco da obra (canvas, vídeo ou quadros) ---------- */
#obra-canvas,.obra-video,.obra-fotos{position:fixed;inset:0;width:100vw;height:100vh;z-index:0;display:block;opacity:0;transition:opacity 1.4s}
.obra-video{object-fit:cover}
.obra-fotos{overflow:hidden;background:#000}
.obra-fotos img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0}
.obra-pronta #obra-canvas,.obra-pronta .obra-video,.obra-pronta .obra-fotos{opacity:1}
/* sem WebGL: pattern da marca no escuro */
body.sem-3d{background:#000 url(../img/pattern-laranja.jpg) center/420px}
.export-status{position:fixed;left:50%;top:20px;transform:translateX(-50%);z-index:99;background:#000;color:var(--gelo);border:1px solid var(--laranja);padding:12px 18px;border-radius:10px;font-size:14px}

/* ---------- topo ---------- */
.top{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;gap:24px;padding:20px var(--pad) 40px;
  background:linear-gradient(180deg,rgba(0,0,0,.75),rgba(0,0,0,0));transition:background .4s,padding .4s}
.brand{display:flex;align-items:center;gap:14px}
.brand .s{height:52px;width:auto}
.brand .l{height:34px;width:auto}
.top nav{margin-left:auto;display:flex;gap:4px;align-items:center}
.top nav a{font-size:14px;font-weight:500;padding:9px 14px;border-radius:4px;color:var(--mut);transition:color .2s}
.top nav a:hover{color:#fff}
.top nav a.cta{background:var(--laranja);color:#000;font-weight:600;padding:12px 20px;margin-left:8px}
.top nav a.cta:hover{background:var(--gelo)}
.top nav a.ig{display:inline-flex;padding:9px}
.top nav a.ig svg{width:20px;height:20px;fill:currentColor}
body.past-obra .top{background:rgba(0,0,0,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:12px var(--pad);box-shadow:0 1px 0 var(--line)}
@media(max-width:1000px){.top nav a:not(.cta):not(.ig){display:none}}
.top nav a.cta{white-space:nowrap}

/* ---------- a obra como vídeo (roda sozinha, em loop) ---------- */
.fade-loop{position:fixed;inset:0;z-index:1;background:#000;opacity:0;pointer-events:none}
.obra{position:relative;z-index:10;height:200vh}
.palco{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}
.palco::before{content:"";position:absolute;inset:0;pointer-events:none;transition:opacity 1s;
  background:linear-gradient(0deg,rgba(0,0,0,.8) 0%,rgba(0,0,0,.2) 32%,rgba(0,0,0,0) 52%),linear-gradient(90deg,rgba(0,0,0,.7) 0%,rgba(0,0,0,.3) 35%,rgba(0,0,0,0) 58%)}
.hero-saiu .palco::before{opacity:.45}
.hero-txt{position:absolute;left:var(--pad);bottom:clamp(84px,14vh,150px);max-width:760px;transition:opacity .8s,transform .8s}
.hero-saiu .hero-txt{opacity:0;transform:translateY(-24px);pointer-events:none}
.kicker{font-family:var(--font-d);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--laranja)}
.hero-txt h1{font-weight:600;font-size:clamp(34px,min(5.8vw,10.5vh),92px);line-height:1;letter-spacing:-.04em;margin-top:18px;color:#fff}
.hero-txt h1 span{color:var(--laranja)}
.hero-txt .sub{margin-top:22px;max-width:600px}
.sub{font-size:clamp(16px,1.25vw,19px);color:var(--mut);max-width:560px;margin-top:20px}
.sub strong{color:#fff;font-weight:500}

/* legenda da etapa (canto inferior direito, estilo vídeo) */
.legenda{position:absolute;right:calc(var(--pad) + 76px);bottom:clamp(72px,9vh,96px);display:flex;gap:14px;align-items:baseline;justify-content:flex-end;text-align:right;max-width:440px;
  opacity:0;transform:translateY(10px);transition:opacity .6s,transform .6s;pointer-events:none}
.legenda.on{opacity:1;transform:none}
.legenda .n{font-family:var(--font-d);font-size:11px;color:var(--laranja)}
.legenda strong{display:block;font-size:clamp(20px,1.7vw,26px);font-weight:600;letter-spacing:-.02em;line-height:1.1;color:#fff}
.legenda span{display:block;font-size:14px;color:var(--mut);margin-top:4px}
.hero-saiu .legenda{max-width:560px}
.hero-saiu .legenda strong{font-size:clamp(28px,3vw,46px)}
.hero-saiu .legenda span{font-size:16px}

/* barra de player */
.player{position:absolute;left:var(--pad);right:var(--pad);bottom:clamp(28px,4vh,44px);display:flex;align-items:center;gap:18px;font-size:12px;color:var(--mut);font-variant-numeric:tabular-nums}
.player .rec{font-family:var(--font-d);font-size:10px;letter-spacing:.16em;text-transform:uppercase;display:flex;align-items:center;gap:9px;white-space:nowrap}
.player .rec::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--laranja)}
.player .trilho{flex:1;height:3px;background:rgba(243,243,243,.2);position:relative}
.player .trilho>i{position:absolute;inset:0;background:var(--laranja);transform-origin:left;transform:scaleX(0)}
.player .marcas i{position:absolute;top:-3px;width:2px;height:9px;background:rgba(243,243,243,.55)}
.player .tempo{white-space:nowrap}

/* ---------- botões ---------- */
.btn{display:inline-flex;align-items:center;gap:12px;padding:17px 26px;border-radius:4px;font-weight:600;font-size:15.5px;transition:background .25s,color .25s,border-color .25s;line-height:1.2}
.btn svg{width:20px;height:20px;fill:currentColor;flex-shrink:0}
.btn .seta{width:18px;height:2px;background:currentColor;position:relative;transition:width .25s}
.btn .seta::after{content:"";position:absolute;right:0;top:-4px;width:8px;height:8px;border:solid currentColor;border-width:2px 2px 0 0;transform:rotate(45deg)}
.btn:hover .seta{width:26px}
.btn.solid{background:var(--laranja);color:#000}
.btn.solid:hover{background:var(--gelo)}
.btn.ghost{border:1px solid rgba(243,243,243,.35);color:#fff;background:rgba(0,0,0,.3)}
.btn.ghost:hover{border-color:var(--laranja);color:var(--laranja)}
.btn.dark{background:#000;color:#fff}
.btn.dark:hover{background:#fff;color:#000}
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.fim-sec{display:flex;justify-content:center;margin-top:clamp(48px,6vw,72px)}
.fim-sec .btn{padding:19px 30px;font-size:16px}

/* ---------- seções sólidas ---------- */
.solid{position:relative;z-index:10;background:var(--gelo);color:#000}
.solid.dark{background:#000;color:var(--gelo)}
.solid.lar{background:var(--laranja);color:#000}
.sec{padding:clamp(80px,10vw,140px) var(--pad);max-width:1400px;margin:0 auto}
.lbl{font-family:var(--font-d);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-mut)}
.dark .lbl{color:var(--laranja)}
.lar .lbl{color:rgba(0,0,0,.7)}
.h{font-weight:600;letter-spacing:-.035em;line-height:1.05;font-size:clamp(32px,4vw,58px);color:#fff}
.h em{font-style:normal;color:var(--laranja)}
.solid .h{color:#000}.solid.dark .h{color:#fff}.solid.lar .h em{color:#fff}
.solid .sub{color:var(--ink-mut)}.solid.dark .sub{color:var(--mut)}
.sec-hd{max-width:860px;margin-bottom:clamp(40px,5vw,64px)}
.sec-hd .h{margin-top:16px}

/* serviços: construção em destaque */
.servicos{display:grid;grid-template-columns:1.2fr 1fr;grid-template-rows:repeat(3,auto);gap:16px}
.serv{position:relative;background:#fff;padding:clamp(26px,2.6vw,36px);overflow:hidden;display:flex;flex-direction:column;border:1px solid var(--ink-line)}
.serv.principal{grid-row:1/4;background:#000;color:#fff;border-color:#000;justify-content:flex-end;min-height:440px}
.serv .num{font-family:var(--font-d);font-size:12px;color:var(--laranja)}
.serv h3{font-size:clamp(22px,2vw,28px);letter-spacing:-.03em;line-height:1.1;margin:12px 0 10px;font-weight:600}
.serv.principal h3{font-size:clamp(30px,3.2vw,46px)}
.serv p{color:var(--ink-mut);font-size:15.5px;max-width:520px}
.serv.principal p{color:var(--mut);font-size:17px}
.serv .ir{margin-top:20px;display:inline-flex;align-items:center;gap:12px;font-weight:600;font-size:15px;color:var(--laranja)}
.serv .ir .seta{width:18px;height:2px;background:currentColor;position:relative;transition:width .25s}
.serv .ir .seta::after{content:"";position:absolute;right:0;top:-4px;width:8px;height:8px;border:solid currentColor;border-width:2px 2px 0 0;transform:rotate(45deg)}
.serv:hover .ir .seta{width:28px}
.serv-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:62% center}
.serv.principal>*:not(.serv-video){position:relative;z-index:1}
/* escurece só embaixo, onde está o texto */
.serv.principal::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.92) 0%,rgba(0,0,0,.55) 38%,rgba(0,0,0,0) 65%);pointer-events:none}
@media(max-width:860px){.servicos{grid-template-columns:1fr}.serv.principal{grid-row:auto;min-height:560px}
  .serv.principal::after{background:linear-gradient(0deg,rgba(0,0,0,.95) 0%,rgba(0,0,0,.85) 42%,rgba(0,0,0,0) 68%)}}

/* fundador */
.fundador{display:grid;grid-template-columns:5fr 7fr;gap:clamp(30px,5vw,80px);align-items:center}
@media(max-width:860px){.fundador{grid-template-columns:1fr}}
.f-foto{position:relative;overflow:hidden;max-width:520px}
.f-foto img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center 18%}
.f-foto figcaption{position:absolute;left:0;right:0;bottom:0;padding:60px 22px 20px;background:linear-gradient(transparent,rgba(0,0,0,.85));font-weight:600;font-size:17px;color:#fff}
.f-foto figcaption small{display:block;font-weight:400;font-size:13px;color:var(--mut);margin-top:2px}
.f-txt .h{margin-top:16px}
.marcos{list-style:none;margin-top:36px;border-top:1px solid var(--line)}
.marcos li{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);font-size:15.5px}
.marcos b{font-family:var(--font-d);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--laranja);font-weight:400;padding-top:4px}
.marcos span{color:var(--mut)}
@media(max-width:560px){.marcos li{grid-template-columns:1fr;gap:4px}}

/* diferenciais (laranja) */
.difs{display:grid;grid-template-columns:repeat(4,1fr);border-top:2px solid #000}
.difs>div{padding:26px 22px 8px 0}
.difs>div+div{padding-left:22px;border-left:1px solid rgba(0,0,0,.2)}
.difs h3{font-size:21px;font-weight:600;letter-spacing:-.02em}
.difs p{font-size:15px;color:rgba(0,0,0,.74);margin-top:8px}
@media(max-width:900px){.difs{grid-template-columns:1fr 1fr}.difs>div:nth-child(3){border-left:0;padding-left:0}}
@media(max-width:560px){.difs{grid-template-columns:1fr}.difs>div,.difs>div+div{padding:20px 0;border-left:0;border-bottom:1px solid rgba(0,0,0,.2)}}

/* processo */
.passos{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:0 32px}
.passos li{padding:24px 0 30px;border-top:1px solid var(--line)}
.passos .n{font-family:var(--font-d);font-size:12px;color:var(--laranja)}
.passos h3{font-size:20px;font-weight:600;margin:10px 0 6px;color:#fff;letter-spacing:-.02em}
.passos p{font-size:15px;color:var(--mut);max-width:340px}
@media(max-width:860px){.passos{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.passos{grid-template-columns:1fr}}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:clamp(24px,4vw,60px)}
.faq-lado .h{margin-top:16px}
.faq-lado{position:sticky;top:110px;align-self:start}
@media(max-width:900px){.faq-grid{grid-template-columns:1fr}.faq-lado{position:relative;top:0}}
.faq details{border-bottom:1px solid var(--ink-line)}
.faq details:first-of-type{border-top:2px solid #000}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:baseline;gap:24px;padding:20px 0}
.faq summary::-webkit-details-marker{display:none}
.faq summary h3{font-size:clamp(17px,1.4vw,20px);font-weight:500;letter-spacing:-.015em;line-height:1.35}
.faq summary::after{content:"+";font-size:26px;font-weight:300;color:var(--laranja);transition:transform .3s;line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details>div{padding:0 0 22px;color:var(--ink-mut);font-size:16px;max-width:720px}
.faq details>div strong{color:#000;font-weight:600}

/* contato */
.orc{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,80px);align-items:start}
@media(max-width:900px){.orc{grid-template-columns:1fr}}
.orc .h{margin-top:16px}
.contatos{list-style:none;margin-top:30px;display:flex;flex-direction:column;gap:14px}
.contatos a{display:inline-flex;align-items:center;gap:12px;font-size:17px;color:var(--gelo)}
.contatos a:hover{color:var(--laranja)}
.contatos svg{width:22px;height:22px;fill:var(--laranja);flex-shrink:0}
.form{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;background:var(--gelo);color:#000;padding:clamp(26px,3vw,40px);border-top:4px solid var(--laranja)}
.form .ft{grid-column:1/-1;font-size:24px;font-weight:600;letter-spacing:-.03em}
.form label{display:block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mut);margin-top:22px;font-weight:600}
.form label.full{grid-column:1/-1}
.form input,.form select{display:block;width:100%;margin-top:6px;border:0;border-bottom:1.5px solid rgba(0,0,0,.25);background:transparent;padding:10px 0 12px;font:inherit;font-size:17px;color:#000;outline:none;border-radius:0;letter-spacing:0;text-transform:none;font-weight:400}
.form input:focus,.form select:focus{border-color:var(--laranja)}
.form .btn{grid-column:1/-1;justify-content:center;margin-top:28px}
.form .ok{grid-column:1/-1;display:none;padding:18px;background:#000;color:#fff;margin-top:16px;font-size:15px}
.form .ok a{color:var(--laranja);text-decoration:underline}
.form.sent .ok{display:block}
@media(max-width:600px){.form{grid-template-columns:1fr}.form label{grid-column:1/-1}}
.regioes{display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(24px,4vw,60px);align-items:center;margin-top:clamp(56px,7vw,90px);padding-top:clamp(40px,5vw,60px);border-top:1px solid var(--line)}
@media(max-width:900px){.regioes{grid-template-columns:1fr}}
.cidades{list-style:none;margin-top:18px;display:flex;flex-wrap:wrap;gap:10px}
.cidades li{border:1px solid var(--line);padding:9px 14px;font-size:15px}
.mapa{position:relative;height:300px;background:#111;overflow:hidden}
.mapa iframe{position:absolute;inset:0;width:100%;height:100%;border:0;filter:grayscale(1) invert(.9) contrast(.9)}

/* rodapé */
.foot{position:relative;z-index:10;background:#000;border-top:1px solid var(--line);padding:clamp(48px,6vw,72px) var(--pad) 28px}
.fm{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:auto 1fr auto;gap:40px;align-items:center}
@media(max-width:900px){.fm{grid-template-columns:1fr;gap:24px}}
.foot .logo{width:200px}
.foot p{font-size:14.5px;color:var(--mut);max-width:360px}
.foot nav{display:flex;flex-direction:column;gap:10px}
.foot nav a{font-size:14.5px;color:var(--gelo);display:inline-flex;align-items:center;gap:10px}
.foot nav a:hover{color:var(--laranja)}
.foot nav svg{width:17px;height:17px;fill:var(--laranja)}
.fm-bottom{max-width:1400px;margin:clamp(36px,4vw,52px) auto 0;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:rgba(243,243,243,.42)}

/* WhatsApp flutuante (verde oficial, sem pulso) */
.wa{position:fixed;right:22px;bottom:96px;z-index:60;width:58px;height:58px;border-radius:50%;background:var(--wa);display:grid;place-items:center;box-shadow:0 10px 30px rgba(0,0,0,.35);transition:transform .25s}
.wa:hover{transform:translateY(-3px)}
.wa svg{width:30px;height:30px;fill:#fff}
body.past-obra .wa{bottom:22px}

.rv{opacity:0;transform:translateY(24px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.rv.on{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition-duration:.01ms!important}}

/* ---------- celular ---------- */
@media(max-width:820px){
  .top{padding:12px var(--pad);background:rgba(0,0,0,.88);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
  body.past-obra .top{padding:12px var(--pad)}
  .brand .s{height:40px}.brand .l{height:24px}
  .top nav a.cta{padding:10px 14px;font-size:13px}
  .top nav a.ig{display:none}
  .obra{height:180vh}
  .palco::before{background:linear-gradient(0deg,rgba(0,0,0,.94) 0%,rgba(0,0,0,.78) 42%,rgba(0,0,0,.35) 62%,rgba(0,0,0,0) 76%)}
  .hero-txt{right:var(--pad);bottom:84px}
  .hero-txt h1{font-size:clamp(34px,9.6vw,52px)}
  .hero-txt .sub{font-size:15px;margin-top:14px}
  .hero-txt .ctas{margin-top:20px}
  .hero-txt .btn{padding:14px 18px;font-size:14.5px}
  .legenda{left:var(--pad);right:76px;bottom:62px;justify-content:flex-start;text-align:left;max-width:none}
  body:not(.hero-saiu) .legenda{opacity:0}
  .player{bottom:22px;gap:12px;right:76px}
  .player .rec{display:none}
  .wa{width:54px;height:54px;right:16px;bottom:16px}
  .wa svg{width:28px;height:28px}
  body:not(.past-obra) .wa{bottom:58px;width:48px;height:48px}
  body:not(.past-obra) .wa svg{width:25px;height:25px}
}
@media(max-width:820px) and (max-height:700px){.hero-txt .sub{display:none}}

/* telas estreitas (iPhone SE, Androids de 320–360px): marca + botão numa linha só */
@media(max-width:400px){.brand{gap:10px}.brand .s{height:36px}.brand .l{height:21px}.top nav a.cta{padding:10px 12px;font-size:13px;margin-left:4px}}
@media(max-width:350px){.brand{gap:6px}.brand .s{height:30px}.brand .l{height:17px}.top nav a.cta{padding:9px 10px;font-size:12px}}

/* PC com pouca altura (notebook, janela baixa, zoom): o título não pode subir até a marca */
@media(min-width:821px) and (max-height:760px){.hero-txt .sub{margin-top:14px;font-size:15px}.hero-txt .ctas{margin-top:18px}.hero-txt h1{margin-top:12px}}
@media(min-width:821px) and (max-height:560px){.hero-txt .sub{display:none}}