/* ==========================================================================
   VLT Films — sistema visual
   Graphite #101418 · Spectra #12C2D6 · Concrete #EEF1F4 · Steel #5C6672
   Space Grotesk (display) · Inter (corpo) · IBM Plex Mono (dados/rótulos)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --graphite:#101418;
  --graphite-2:#161c23;
  --panel:#151b22;
  --spectra:#12c2d6;
  --spectra-dim:rgba(18,194,214,.14);
  --concrete:#eef1f4;
  --steel:#5c6672;
  --ink:#f4f7f9;
  --muted:#96a0ac;
  --line:rgba(255,255,255,.10);
  --line-dark:rgba(16,20,24,.12);
  --wa:#25d366;
  --maxw:1180px;
  --pad:24px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--graphite);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}

/* ---------- tipografia ---------- */
h1,h2,h3{font-family:'Space Grotesk',sans-serif;letter-spacing:-.025em;line-height:1.05}
h1{font-weight:700;font-size:clamp(38px,6.4vw,72px)}
h2{font-weight:700;font-size:clamp(28px,3.9vw,44px)}
h3{font-weight:600;font-size:clamp(19px,2vw,23px);line-height:1.25}
.lede{font-size:clamp(17px,1.55vw,20px);color:#c4ccd6;max-width:62ch}
.label{
  font-family:'IBM Plex Mono',monospace;font-size:12px;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;color:var(--spectra);
}
.label-muted{color:var(--muted)}
.rule{height:2px;background:linear-gradient(90deg,var(--spectra),rgba(18,194,214,0));margin:18px 0 0;max-width:180px}

/* ---------- logo ---------- */
.lu{display:inline-flex;align-items:center;gap:9px}
.lu .tw{display:inline-flex;flex-direction:column}
.lu .v{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:27px;line-height:.84;letter-spacing:.01em}
.lu .films{
  display:flex;justify-content:space-between;width:66.2%;margin-left:17.55%;
  font-family:'IBM Plex Mono',monospace;font-weight:500;font-size:7.5px;
  color:var(--spectra);margin-top:5px;
}
.lu .films i{font-style:normal}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:60;
  background:rgba(16,20,24,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:74px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{
  font-size:14px;font-weight:500;color:#c9d1da;
  letter-spacing:.01em;padding:6px 0;border-bottom:2px solid transparent;
}
.nav-links a:hover{color:#fff}
.nav-links a.on{color:#fff;border-bottom-color:var(--spectra)}
.nav-cta{display:flex;align-items:center;gap:10px}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px;margin-right:-8px}
.burger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.25s}
.burger.x span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.x span:nth-child(2){opacity:0}
.burger.x span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:'Inter',sans-serif;font-weight:600;font-size:15px;
  padding:13px 24px;border-radius:9px;border:1.5px solid transparent;
  cursor:pointer;transition:.18s;white-space:nowrap;
}
.btn-primary{background:var(--spectra);color:#04222a}
.btn-primary:hover{background:#2ad3e6}
.btn-ghost{border-color:rgba(255,255,255,.24);color:var(--ink)}
.btn-ghost:hover{border-color:var(--spectra);color:var(--spectra)}
.btn-wa{background:rgba(37,211,102,.12);border-color:var(--wa);color:var(--wa)}
.btn-wa:hover{background:rgba(37,211,102,.2)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-lg{padding:16px 30px;font-size:16px}

/* ---------- fundo de vidro ---------- */
.glassbg{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:2;opacity:.5}
.glassbg i{
  position:absolute;display:block;top:-25%;height:150%;
  background:linear-gradient(90deg,rgba(255,255,255,.045),rgba(18,194,214,.05));
  transform:skewX(-18deg);
}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;
  background:
    radial-gradient(900px 620px at 78% -10%, rgba(18,194,214,.20), transparent 62%),
    radial-gradient(700px 480px at 4% 105%, rgba(18,194,214,.09), transparent 60%),
    linear-gradient(168deg,#12171f,#0b0f14 60%,#080b0f);
}
.hero-in{position:relative;z-index:3;padding:110px 0 100px;min-height:520px;display:flex;flex-direction:column;justify-content:center}
.hero h1{margin-top:20px}
.hero h1 .sp{color:var(--spectra)}
.hero .lede{margin-top:22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}


/* ---------- hero em loop (crossfade) ----------
   Se o arquivo de imagem não existir, o navegador cai para a camada de
   gradiente do .hero e nada quebra. O site funciona com ou sem fotos. */
.hero-media{position:absolute;inset:0;z-index:0;overflow:hidden}
.hslide{
  position:absolute;inset:0;
  background-position:70% center;
  background-size:cover;
  background-repeat:no-repeat;
  opacity:0;
  will-change:opacity;
}
.hero-scrim{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    linear-gradient(90deg,
      rgba(9,12,16,.97) 0%,
      rgba(9,12,16,.90) 32%,
      rgba(9,12,16,.48) 60%,
      rgba(9,12,16,.18) 100%),
    linear-gradient(180deg,
      rgba(9,12,16,.55) 0%,
      rgba(9,12,16,.12) 42%,
      rgba(9,12,16,.72) 100%);
}
/* 4 slides · 24s */
.loop-4 .hslide{animation:heroFade4 24s infinite}
.loop-4 .hslide:nth-child(1){animation-delay:0s}
.loop-4 .hslide:nth-child(2){animation-delay:6s}
.loop-4 .hslide:nth-child(3){animation-delay:12s}
.loop-4 .hslide:nth-child(4){animation-delay:18s}
@keyframes heroFade4{0%{opacity:0}3%{opacity:1}22%{opacity:1}25%{opacity:0}100%{opacity:0}}
/* 3 slides · 18s */
.loop-3 .hslide{animation:heroFade3 18s infinite}
.loop-3 .hslide:nth-child(1){animation-delay:0s}
.loop-3 .hslide:nth-child(2){animation-delay:6s}
.loop-3 .hslide:nth-child(3){animation-delay:12s}
@keyframes heroFade3{0%{opacity:0}4%{opacity:1}29%{opacity:1}33%{opacity:0}100%{opacity:0}}

@media(prefers-reduced-motion:reduce){
  .hslide{animation:none !important;opacity:0}
  .hslide:first-child{opacity:1}
}


/* ---------- HOME PORTAL: duas portas como hero ---------- */
.portal{position:relative;overflow:hidden;
  background:
    radial-gradient(900px 620px at 78% -10%, rgba(18,194,214,.16), transparent 62%),
    linear-gradient(168deg,#12171f,#0b0f14 60%,#080b0f);
}
.portal-in{position:relative;z-index:3;padding:44px 0 54px}
.portal-head{max-width:66ch}
.portal-head h1{font-size:clamp(32px,4.1vw,48px);margin-top:14px}
.portal-head h1 .sp{color:var(--spectra)}
.portal-head .lede{margin-top:14px;font-size:clamp(15.5px,1.3vw,17.5px);max-width:58ch}

.portal-doors{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:30px}
.pdoor{
  position:relative;display:flex;flex-direction:column;justify-content:flex-end;
  min-height:398px;border-radius:18px;overflow:hidden;
  border:1px solid var(--line);text-decoration:none;
  transition:border-color .25s, transform .25s;
}
.pdoor:hover{border-color:rgba(18,194,214,.65);transform:translateY(-4px)}
.pdoor .bg{
  position:absolute;inset:0;background-position:center;background-size:cover;
  background-repeat:no-repeat;transition:transform .6s ease;
}
.pdoor:hover .bg{transform:scale(1.05)}
.pdoor .scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(8,11,15,.30) 0%,rgba(8,11,15,.42) 42%,rgba(8,11,15,.94) 100%),
    linear-gradient(90deg,rgba(8,11,15,.55),rgba(8,11,15,.10));
}
.pdoor .in{position:relative;z-index:2;padding:28px 30px 30px}
.pdoor h2{font-size:clamp(25px,2.7vw,33px);margin-top:9px}
.pdoor p{color:#cbd3dc;font-size:15.5px;margin-top:10px;max-width:42ch}
.pdoor .tags{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pdoor .tags li{
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:#c3ccd6;border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:6px 12px;
  background:rgba(10,14,18,.45);
}
.pdoor .go{
  margin-top:18px;display:inline-flex;align-items:center;gap:10px;
  font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:17px;color:var(--spectra);
}
.pdoor:hover .go .arw{transform:translateX(6px)}

@media(max-width:900px){
  .portal-doors{grid-template-columns:1fr;gap:16px}
  .pdoor{min-height:340px}
  .portal-in{padding:40px 0 48px}
  .pdoor .in{padding:26px 24px 28px}
}

/* ---------- barra de prova ---------- */
.proof{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--graphite-2)}
.proof-in{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.proof-i{padding:26px 22px;border-right:1px solid var(--line)}
.proof-i:last-child{border-right:0}
.proof-i .n{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:clamp(24px,3vw,34px);color:var(--spectra);line-height:1}
.proof-i .t{font-size:14px;color:#b3bcc7;margin-top:7px}

/* ---------- seções ---------- */
section{padding:82px 0}
.sec-head{max-width:74ch}
.sec-head h2{margin-top:14px}
.sec-head p{margin-top:16px}

/* ---------- portas ---------- */
.doors{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:44px}
.door{
  position:relative;display:flex;flex-direction:column;
  background:linear-gradient(160deg,var(--panel),#0d1217);
  border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:.22s;min-height:100%;
}
.door:hover{border-color:rgba(18,194,214,.5);transform:translateY(-3px)}
.door-img{
  aspect-ratio:16/10;background:#0a0e12;position:relative;
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
}
.door-body{padding:28px 28px 30px;display:flex;flex-direction:column;flex:1}
.door-body h3{margin-top:12px}
.door-body p{color:#b6bfca;font-size:15.5px;margin-top:12px}
.door-list{list-style:none;margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.door-list li{
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:#9fa9b4;border:1px solid var(--line);border-radius:999px;padding:6px 12px;
}
.door-go{
  margin-top:auto;padding-top:24px;display:inline-flex;align-items:center;gap:9px;
  font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:16px;color:var(--spectra);
}
.door:hover .door-go .arw{transform:translateX(5px)}
.arw{transition:.22s}

/* ---------- slot de foto ---------- */
/* Foto com fallback: se o arquivo não existir, aparece a listra em vez de quebrar. */
.ph{
  position:absolute;inset:0;
  background-position:center;background-size:cover;background-repeat:no-repeat;
}
.ph-fb{background-image:repeating-linear-gradient(135deg,#0c1116,#0c1116 12px,#0f151b 12px,#0f151b 24px)}

/* ---------- cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:44px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:28px}
.card .ic{
  width:42px;height:42px;border-radius:10px;background:var(--spectra-dim);
  border:1px solid rgba(18,194,214,.4);display:flex;align-items:center;justify-content:center;
  color:var(--spectra);
}
.card h3{margin-top:18px}
.card p{color:#b0b9c4;font-size:15px;margin-top:10px}

/* ---------- lista com check ---------- */
.checks{list-style:none;display:grid;gap:14px;margin-top:26px}
.checks li{display:flex;gap:13px;align-items:flex-start;font-size:16px;color:#d3dae2}
.checks .k{
  flex:none;width:24px;height:24px;border-radius:50%;margin-top:1px;
  background:var(--spectra-dim);border:1.5px solid var(--spectra);color:var(--spectra);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}
.checks b{color:#fff;font-weight:600}

/* ---------- régua VLT ---------- */
.ladder-wrap{margin-top:34px}
.ladder{
  height:128px;border-radius:12px;overflow:hidden;display:flex;position:relative;
  border:1px solid rgba(255,255,255,.14);
}
.ladder .scene{position:absolute;inset:0;
  background:
    radial-gradient(160px 74px at 12% 30%, rgba(255,255,255,.98), rgba(255,255,255,0) 68%),
    radial-gradient(190px 80px at 36% 20%, rgba(255,255,255,.95), rgba(255,255,255,0) 70%),
    radial-gradient(170px 70px at 58% 34%, rgba(255,255,255,.92), rgba(255,255,255,0) 68%),
    radial-gradient(200px 82px at 82% 22%, rgba(255,255,255,.95), rgba(255,255,255,0) 70%),
    radial-gradient(260px 84px at 22% 124%, #2c6b3f, rgba(44,107,63,0) 68%),
    radial-gradient(240px 78px at 52% 128%, #1f5230, rgba(31,82,48,0) 68%),
    radial-gradient(280px 88px at 86% 126%, #2a6339, rgba(42,99,57,0) 68%),
    linear-gradient(178deg,#2f7fc4,#68aede 48%,#b7d9ef);
}
.ladder::after{
  content:'';position:absolute;left:0;right:0;top:0;height:34%;z-index:3;pointer-events:none;
  background:linear-gradient(180deg,rgba(255,255,255,.16),rgba(255,255,255,0));
}
.ladder .seg{
  position:relative;z-index:2;flex:1;display:flex;align-items:center;justify-content:center;
  border-right:1px solid rgba(255,255,255,.16);
}
.ladder .seg:last-child{border-right:0}
.ladder .seg .sh{position:absolute;inset:0}
.ladder .seg span{
  position:relative;font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:16px;
  color:#fff;text-shadow:0 1px 6px rgba(0,0,0,.75);
}
.ladder-cap{
  margin-top:12px;font-family:'IBM Plex Mono',monospace;font-size:11.5px;
  letter-spacing:.13em;text-transform:uppercase;color:#6d7783;
}

/* ---------- oferta ---------- */
.offer{
  display:flex;flex-wrap:wrap;align-items:center;gap:26px;justify-content:space-between;
  border:1.5px solid var(--spectra);border-radius:16px;padding:28px 32px;
  background:linear-gradient(120deg,rgba(18,194,214,.10),rgba(18,194,214,.02));
  margin-top:40px;
}
.offer .p{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:clamp(40px,5.6vw,62px);color:var(--spectra);line-height:.9;display:flex;align-items:flex-start}
.offer .p sup{font-size:.32em;margin-left:4px;margin-top:.25em}
.offer .txt h3{font-size:clamp(20px,2.4vw,26px)}
.offer .txt p{color:#b6bfca;font-size:15px;margin-top:6px}

/* ---------- processo ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px;counter-reset:s}
.step{border-top:2px solid var(--line);padding-top:20px}
.step .n{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.2em;color:var(--spectra)}
.step h3{margin-top:12px;font-size:19px}
.step p{color:#aab3be;font-size:14.5px;margin-top:9px}

/* ---------- FAQ ---------- */
.faq{margin-top:38px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;padding:22px 40px 22px 0;position:relative;
  font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:18px;color:#fff;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:'+';position:absolute;right:6px;top:19px;font-size:24px;color:var(--spectra);
  font-family:'Inter',sans-serif;font-weight:400;transition:.2s;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 0 24px;color:#b6bfca;font-size:15.5px;max-width:78ch}
.faq .a a{color:var(--spectra);text-decoration:underline}

/* ---------- galeria ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:38px}
.gal{position:relative;aspect-ratio:4/3;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#0a0e12}
.gal.wide{grid-column:span 2;aspect-ratio:8/3}

/* ---------- contato ---------- */
.contact{background:var(--graphite-2);border-top:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact .big{
  font-family:'Space Grotesk',sans-serif;font-weight:700;
  font-size:clamp(30px,4.2vw,46px);color:#fff;letter-spacing:-.02em;display:block;margin-top:8px;
}
.contact .big:hover{color:var(--spectra)}
.contact-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.langs{margin-top:30px;font-family:'IBM Plex Mono',monospace;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

form{display:grid;gap:14px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:block;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
input,select,textarea{
  width:100%;background:#0d1218;border:1px solid var(--line);border-radius:9px;
  padding:13px 14px;color:var(--ink);font-family:'Inter',sans-serif;font-size:15px;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--spectra)}
textarea{min-height:112px;resize:vertical}
.form-note{font-size:12.5px;color:var(--steel);margin-top:2px}

/* ---------- footer ---------- */
footer{background:#0a0e12;border-top:1px solid var(--line);padding:48px 0 40px}
.foot-in{display:flex;flex-wrap:wrap;gap:26px;justify-content:space-between;align-items:flex-start}
.foot-nav{display:flex;gap:26px;flex-wrap:wrap}
.foot-nav a{font-size:14px;color:#9fa9b4}
.foot-nav a:hover{color:var(--spectra)}
.foot-bot{
  margin-top:34px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13px;color:var(--steel);
}
.tagline{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:16px;color:#fff}
.tagline span{color:var(--spectra)}

/* ---------- responsivo ---------- */
@media(max-width:900px){
  .doors,.grid-3,.grid-2,.contact-grid,.steps{grid-template-columns:1fr}
  .steps{gap:26px}
  .gallery{grid-template-columns:1fr 1fr}
  .gal.wide{grid-column:span 2}
  .proof-in{grid-template-columns:1fr}
  .proof-i{border-right:0;border-bottom:1px solid var(--line)}
  .proof-i:last-child{border-bottom:0}
  .contact-grid{gap:44px}
  .hero-scrim{background:
    linear-gradient(180deg,rgba(9,12,16,.86) 0%,rgba(9,12,16,.72) 45%,rgba(9,12,16,.92) 100%),
    linear-gradient(90deg,rgba(9,12,16,.72),rgba(9,12,16,.45))}
  .hslide{background-position:62% center}
  section{padding:62px 0}
  .hero-in{padding:76px 0 68px;min-height:440px}
  .burger{display:block}
  .nav-links{
    position:fixed;top:74px;left:0;right:0;
    background:rgba(12,16,20,.98);backdrop-filter:blur(14px);
    flex-direction:column;align-items:stretch;gap:0;
    border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .28s ease;
  }
  .nav-links.open{max-height:340px}
  .nav-links a{padding:17px 24px;border-bottom:1px solid var(--line)}
  .nav-links a.on{border-bottom-color:var(--line);color:var(--spectra)}
  .nav-cta .btn-ghost{display:none}
  .f-row{grid-template-columns:1fr}
  .ladder{height:104px}
  .ladder .seg span{font-size:14px}
  .offer{padding:24px}
}
@media(max-width:520px){
  .ladder .seg span{font-size:12px}
  .gallery{grid-template-columns:1fr}
  .gal.wide{grid-column:span 1}
}