/* ============================================================
   ALUME FILMES — Landing Page
   Marca: Montserrat + Preto / Branco / Vermelho (#FF0000)
   Estética: cinematográfica, editorial, dark.
   ============================================================ */

:root{
  --black:#050505;
  --ink:#000000;
  --panel:#0d0d0d;
  --panel-2:#111111;
  --white:#ffffff;
  --red:#ff0000;
  --red-deep:#d60000;

  --t1:rgba(255,255,255,.94);
  --t2:rgba(255,255,255,.62);
  --t3:rgba(255,255,255,.38);
  --line:rgba(255,255,255,.12);
  --line-2:rgba(255,255,255,.07);

  --ff:'Montserrat',system-ui,sans-serif;

  --edge:clamp(20px,5vw,90px);
  --maxw:1280px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--black);
  color:var(--t1);
  font-family:var(--ff);
  font-weight:400;
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--red);color:#fff}

/* Grão de filme global */
body::after{
  content:"";position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.045;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}

/* ---------- Tipografia utilitária ---------- */
.kicker{
  font-size:.72rem;font-weight:700;letter-spacing:.32em;text-transform:uppercase;
  color:var(--t2);display:inline-flex;align-items:center;gap:.7em;
}
.kicker::before{content:"";width:9px;height:9px;background:var(--red);display:inline-block;transform:translateY(1px)}
.h-display{
  font-weight:900;line-height:.92;letter-spacing:-.02em;text-transform:uppercase;
  margin:0;color:var(--white);
}
.red{color:var(--red)}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--edge)}

/* Botões */
.btn{
  --bg:var(--red);--fg:#fff;
  display:inline-flex;align-items:center;gap:.6em;
  padding:16px 30px;background:var(--bg);color:var(--fg);
  font-weight:800;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;
  border:1px solid transparent;position:relative;overflow:hidden;
  transition:transform .35s var(--ease),background .3s;
}
.btn svg{width:16px;height:16px;transition:transform .35s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn:hover svg{transform:translateX(4px)}
.btn--ghost{--bg:transparent;--fg:var(--white);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--white)}
.btn--red:hover{background:var(--red-deep)}

/* Reveal on scroll */
html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
html.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .hero__video{display:none}
}

/* ============================================================
   HEADER
   ============================================================ */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px var(--edge);
  transition:background .4s,backdrop-filter .4s,padding .4s,border-color .4s;
  border-bottom:1px solid transparent;
}
.header.scrolled{
  background:rgba(5,5,5,.82);backdrop-filter:blur(14px);
  border-bottom-color:var(--line-2);padding:12px var(--edge);
}
.header__logo img{height:34px;width:auto}
.nav{display:flex;align-items:center;gap:34px}
.nav a{font-size:.8rem;font-weight:600;letter-spacing:.04em;color:var(--t2);transition:color .25s;position:relative}
.nav a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--red);transition:width .3s var(--ease)}
.nav a:hover{color:var(--white)}
.nav a:hover::after{width:100%}
.nav .btn{padding:11px 20px}
.burger{display:none;background:none;border:0;width:40px;height:40px;flex-direction:column;justify-content:center;gap:6px}
.burger span{display:block;height:2px;width:26px;background:var(--white);transition:.3s}
.burger.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

@media (max-width:900px){
  .nav{
    position:fixed;inset:0 0 0 auto;width:min(80vw,340px);
    background:var(--ink);flex-direction:column;align-items:flex-start;justify-content:center;
    gap:26px;padding:0 40px;transform:translateX(100%);transition:transform .45s var(--ease);
    border-left:1px solid var(--line);
  }
  .nav.open{transform:none}
  .nav a{font-size:1.1rem}
  .burger{display:flex;z-index:101}
}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  padding:118px var(--edge) 84px;overflow:hidden;
  border-bottom:1px solid var(--line-2);
  background:#050505 url("../video/hero-poster.jpg") center/cover no-repeat;
}
.hero__video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;filter:contrast(1.03) brightness(.96)}
/* brilho tungstênio sutil (atmosfera fotográfica, não cor de marca) */
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    linear-gradient(95deg, rgba(0,0,0,.95) 0%, rgba(0,0,0,.8) 33%, rgba(0,0,0,.52) 62%, rgba(0,0,0,.7) 100%),
    linear-gradient(to top, rgba(0,0,0,.92) 1%, transparent 40%),
    radial-gradient(120% 80% at 84% 14%, rgba(255,45,0,.13), transparent 46%);
}
/* barras letterbox de cinema */
.hero::after{
  content:"";position:absolute;left:0;right:0;top:0;height:5px;z-index:3;
  background:var(--ink);box-shadow:0 100vh 0 var(--ink) inset;pointer-events:none;
  display:none;
}
.hero__grid-lines{
  position:absolute;inset:0;z-index:2;pointer-events:none;opacity:.18;
  background-image:linear-gradient(var(--line-2) 1px,transparent 1px),linear-gradient(90deg,var(--line-2) 1px,transparent 1px);
  background-size:100% 25%,25% 100%;
}
.hero__inner{position:relative;z-index:4;max-width:var(--maxw);margin-inline:auto;width:100%}
.hero__meta{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:44px}
.hero h1{
  font-size:clamp(2.7rem,9vw,8.4rem);
  font-weight:900;line-height:.86;letter-spacing:-.03em;text-transform:uppercase;margin:0;
}
.hero h1 .l2{display:block}
.hero h1 .out{
  color:transparent;-webkit-text-stroke:2px rgba(255,255,255,.5);text-stroke:2px rgba(255,255,255,.5);
}
.hero__lead{
  max-width:44ch;margin:34px 0 40px;font-size:clamp(1rem,1.6vw,1.22rem);color:var(--t2);line-height:1.7;
}
.hero__lead strong{color:var(--white);font-weight:700}
.hero__cta{display:flex;gap:16px;flex-wrap:wrap}
.timecode{
  font-variant-numeric:tabular-nums;font-weight:600;letter-spacing:.12em;font-size:.72rem;color:var(--t3);
  display:inline-flex;align-items:center;gap:.6em;
}
.timecode .dot{width:8px;height:8px;background:var(--red);border-radius:1px;animation:blink 1.6s steps(1) infinite}
@keyframes blink{50%{opacity:.2}}
.hero__scroll{
  position:absolute;bottom:26px;left:var(--edge);z-index:4;display:flex;align-items:center;gap:12px;
  font-size:.68rem;letter-spacing:.28em;text-transform:uppercase;color:var(--t3);
}
.hero__scroll .bar{width:46px;height:1px;background:var(--t3);position:relative;overflow:hidden}
.hero__scroll .bar::after{content:"";position:absolute;inset:0;background:var(--red);transform:translateX(-100%);animation:sweep 2.4s var(--ease) infinite}
@keyframes sweep{to{transform:translateX(100%)}}

/* ============================================================
   MARQUEE (clientes)
   ============================================================ */
.marquee{
  border-block:1px solid var(--line-2);background:var(--ink);overflow:hidden;padding:26px 0;
  display:flex;gap:0;position:relative;
}
.marquee__track{display:flex;gap:56px;padding-left:56px;white-space:nowrap;animation:scroll 34s linear infinite;flex-shrink:0}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee__track span{
  font-weight:800;font-size:clamp(1.1rem,2.4vw,1.7rem);text-transform:uppercase;letter-spacing:.02em;
  color:var(--t3);display:inline-flex;align-items:center;gap:56px;
}
.marquee__track span::after{content:"";width:10px;height:10px;background:var(--red);flex-shrink:0}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ============================================================
   SECTION BASE
   ============================================================ */
section{position:relative}
.section{padding:clamp(70px,10vw,140px) 0}
.section__head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap;margin-bottom:60px}
.section__head h2{font-size:clamp(2rem,5.5vw,4.2rem);font-weight:900;line-height:.95;letter-spacing:-.02em;text-transform:uppercase;margin:14px 0 0}
.section__head p{max-width:42ch;color:var(--t2);margin:0}
.idx{font-weight:900;font-size:.8rem;color:var(--red);letter-spacing:.1em}

/* ============================================================
   SERVIÇOS
   ============================================================ */
.services{background:var(--black)}
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-2);border:1px solid var(--line-2)}
.svc{
  background:var(--black);padding:40px 32px 46px;min-height:300px;
  display:flex;flex-direction:column;position:relative;transition:background .4s var(--ease);overflow:hidden;
}
.svc::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--red);transition:width .5s var(--ease)}
.svc:hover{background:var(--panel)}
.svc:hover::before{width:100%}
.svc__num{font-size:.75rem;font-weight:800;color:var(--t3);letter-spacing:.1em}
.svc__ico{margin:22px 0 auto;width:46px;height:46px;color:var(--red)}
.svc__ico svg{width:100%;height:100%}
.svc h3{font-size:1.35rem;font-weight:800;text-transform:uppercase;letter-spacing:-.01em;margin:26px 0 12px}
.svc p{font-size:.92rem;color:var(--t2);margin:0}
@media (max-width:1000px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.svc-grid{grid-template-columns:1fr}}

/* ============================================================
   PORTFÓLIO
   ============================================================ */
.work{background:var(--ink)}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px}
.filter{
  padding:10px 20px;background:transparent;border:1px solid var(--line);color:var(--t2);
  font-weight:700;font-size:.76rem;letter-spacing:.05em;text-transform:uppercase;transition:.3s;
}
.filter:hover{color:var(--white);border-color:var(--white)}
.filter.active{background:var(--red);border-color:var(--red);color:#fff}
.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media (max-width:1000px){.work-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.work-grid{grid-template-columns:1fr}}
.card{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel);
  border:1px solid var(--line-2);cursor:pointer;transition:transform .5s var(--ease),border-color .4s;
}
.card.hide{display:none}
.card:hover{transform:translateY(-4px);border-color:var(--red)}
.card__thumb{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease),filter .5s;filter:grayscale(.35) contrast(1.05)}
.card:hover .card__thumb{transform:scale(1.06);filter:grayscale(0)}
.card__grad{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.9) 0%,rgba(0,0,0,.15) 55%,rgba(0,0,0,.35))}
.card__play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(1);
  width:66px;height:66px;display:grid;place-items:center;background:var(--red);border-radius:50%;
  transition:transform .4s var(--ease),background .3s;
}
.card:hover .card__play{transform:translate(-50%,-50%) scale(1.12);background:var(--red-deep)}
.card__play svg{width:24px;height:24px;fill:#fff;margin-left:3px}
.card__meta{position:absolute;left:18px;right:18px;bottom:16px;z-index:2}
.card__tag{font-size:.66rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--red)}
.card__title{font-size:.98rem;font-weight:700;color:#fff;margin-top:5px;line-height:1.25;text-shadow:0 2px 12px rgba(0,0,0,.6)}
.card iframe{position:absolute;inset:0;width:100%;height:100%;border:0;z-index:5}
.work__foot{margin-top:44px;display:flex;justify-content:center}

/* ============================================================
   NÚMEROS / MANIFESTO
   ============================================================ */
.manifesto{background:var(--black);border-block:1px solid var(--line-2);position:relative;overflow:hidden}
.manifesto::before{content:"";position:absolute;right:-6vw;top:-6vw;width:38vw;height:38vw;background:radial-gradient(circle,rgba(255,0,0,.10),transparent 60%);pointer-events:none}
.manifesto__quote{font-size:clamp(1.6rem,4.5vw,3.4rem);font-weight:800;line-height:1.12;letter-spacing:-.02em;max-width:20ch;margin:0 0 70px;text-transform:uppercase}
.manifesto__quote .red{color:var(--red)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;border-top:1px solid var(--line);padding-top:50px}
.stat__num{font-size:clamp(2.6rem,6vw,4.6rem);font-weight:900;line-height:1;letter-spacing:-.03em}
.stat__num .u{color:var(--red)}
.stat__lbl{margin-top:10px;font-size:.8rem;color:var(--t2);text-transform:uppercase;letter-spacing:.08em;font-weight:600}
@media (max-width:760px){.stats{grid-template-columns:repeat(2,1fr);gap:36px 20px}}

/* ============================================================
   PROCESSO
   ============================================================ */
.process{background:var(--ink)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-2);border:1px solid var(--line-2)}
.step{background:var(--ink);padding:36px 28px 44px;position:relative}
.step__n{font-size:2.6rem;font-weight:900;color:transparent;-webkit-text-stroke:1.5px var(--line);line-height:1}
.step:hover .step__n{-webkit-text-stroke-color:var(--red)}
.step h3{font-size:1.15rem;font-weight:800;text-transform:uppercase;margin:20px 0 10px}
.step p{font-size:.88rem;color:var(--t2);margin:0}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.steps{grid-template-columns:1fr}}

/* ============================================================
   CTA + CONTATO
   ============================================================ */
.contact{background:var(--black);position:relative;overflow:hidden}
.contact::before{content:"";position:absolute;inset:0;background:radial-gradient(80% 120% at 50% 0%,rgba(255,40,0,.12),transparent 55%);pointer-events:none}
.contact__inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:start}
.contact h2{font-size:clamp(2.4rem,7vw,5.5rem);font-weight:900;line-height:.92;letter-spacing:-.03em;text-transform:uppercase;margin:18px 0 24px}
.contact__lead{color:var(--t2);max-width:40ch;margin-bottom:36px}
.contact__list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line)}
.contact__list a,.contact__list li>span{display:flex;align-items:center;gap:16px;padding:20px 4px;border-bottom:1px solid var(--line);transition:padding .3s,color .3s;color:var(--t1)}
.contact__list a:hover{padding-left:16px;color:var(--red)}
.contact__list .ico{width:20px;height:20px;color:var(--red);flex-shrink:0}
.contact__list .lbl{font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--t3);display:block}
.contact__list .val{font-weight:700}

.form{background:var(--panel);border:1px solid var(--line-2);padding:36px}
.form .row{margin-bottom:18px}
.form label{display:block;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--t3);font-weight:700;margin-bottom:9px}
.form input,.form textarea,.form select{
  width:100%;background:var(--ink);border:1px solid var(--line);color:var(--white);
  padding:14px 16px;font-family:inherit;font-size:.95rem;transition:border-color .3s;
}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--red)}
.form textarea{resize:vertical;min-height:110px}
.form .btn{width:100%;justify-content:center;margin-top:6px}
.form__note{font-size:.72rem;color:var(--t3);margin-top:14px;text-align:center}
@media (max-width:860px){.contact__inner{grid-template-columns:1fr;gap:46px}}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--ink);border-top:1px solid var(--line);padding:70px var(--edge) 34px}
.footer__top{max-width:var(--maxw);margin:0 auto;display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;align-items:flex-start}
.footer__brand img{height:40px;margin-bottom:18px}
.footer__brand p{color:var(--t2);max-width:34ch;font-size:.9rem}
.footer__cols{display:flex;gap:70px;flex-wrap:wrap}
.footer__col h4{font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--t3);margin:0 0 16px;font-weight:700}
.footer__col a{display:block;color:var(--t2);font-size:.9rem;padding:6px 0;transition:color .25s}
.footer__col a:hover{color:var(--red)}
.footer__bottom{max-width:var(--maxw);margin:50px auto 0;padding-top:24px;border-top:1px solid var(--line-2);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.78rem;color:var(--t3)}
/* Assinatura Amplasoft */
.sig{border-top:1px solid var(--red);margin-top:26px;padding-top:20px;text-align:center}
.sig a{color:var(--t2);font-size:.8rem;letter-spacing:.02em}
.sig a strong{color:var(--white);font-weight:700}
.sig a:hover strong{color:var(--red)}

/* Toast placeholder */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(120%);z-index:200;
  background:var(--red);color:#fff;padding:14px 24px;font-weight:700;font-size:.85rem;transition:transform .4s var(--ease)}
.toast.show{transform:translateX(-50%) translateY(0)}