/* =========================================================
   AHAU — site institucional
   Base: protótipo cinematográfico da Moulin (GSAP + ScrollTrigger + Lenis)
   ========================================================= */
:root{
  --ink:#0d0d0c;
  --ink-2:#161614;
  --gold:#d4ab6b;
  --gold-soft:#e6c690;
  --cream:#f3ead9;
  --paper:#efe9df;
  --text-dark:#1b1a17;
  --green:#3f5b4d;
  --line:rgba(243,234,217,.14);
  --serif:'Cormorant Garamond',Georgia,serif;
  --sans:'DM Sans',system-ui,sans-serif;
  --pad:clamp(20px,5vw,72px);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
html{scroll-behavior:auto}
body{
  font-family:var(--sans);font-weight:300;
  background:var(--ink);color:var(--cream);
  overflow-x:clip; /* clip, NÃO hidden: hidden quebra o pin */
  -webkit-font-smoothing:antialiased;
  font-size:17px;line-height:1.6;
}
em{font-style:italic;color:var(--gold)}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 var(--pad)}
.eyebrow{font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--gold);font-weight:500}
.big{font-family:var(--serif);font-weight:500;font-size:clamp(40px,6.4vw,92px);line-height:1;letter-spacing:-.01em}
.mid{font-family:var(--serif);font-weight:500;font-size:clamp(30px,3.8vw,54px);line-height:1.05}
.lead{font-size:clamp(17px,1.5vw,21px);max-width:620px;opacity:.82}

/* ---------- progresso + nav ---------- */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:100;background:rgba(255,255,255,.06)}
.progress span{display:block;height:100%;width:0;background:var(--gold)}
.nav{
  position:fixed;top:0;left:0;right:0;z-index:90;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px var(--pad);
  transition:background .4s,backdrop-filter .4s;
}
.nav.is-solid{background:rgba(13,13,12,.78);backdrop-filter:blur(10px)}
.nav__logo img{height:40px;width:auto}
.nav__links{display:flex;gap:30px;align-items:center;font-size:13px;letter-spacing:.08em}
.nav__links a{opacity:.8;transition:opacity .2s}
.nav__links a:hover{opacity:1}
.nav__cta{border:1px solid var(--gold);color:var(--gold);padding:9px 18px;border-radius:40px;opacity:1!important}

/* =========================================================
   HERO — anel + máscara circular (pin só no desktop)
   ========================================================= */
.hero{position:relative} /* sem altura fixa: o espaçador do pin define */
.hero__stage{
  position:relative;height:100vh;height:100svh;width:100%;overflow:hidden;
  display:grid;place-items:center;
  background:radial-gradient(110% 90% at 50% 45%,#1d1a15 0%,var(--ink) 70%);
}
.hero__ring{
  position:absolute;width:min(68vmin,620px);aspect-ratio:1;border-radius:50%;
  border:1px solid var(--gold);
  transform:scale(var(--ringScale,.62));opacity:var(--ringOpacity,.9);
}
.hero__type{
  position:relative;z-index:1;text-align:center;
  transform:translateY(var(--typeY,0)) scale(var(--typeScale,1));opacity:var(--typeOpacity,1);
}
.hero__type h1{font-family:var(--serif);font-weight:500;font-size:clamp(44px,7vw,108px);line-height:.98;margin-top:18px}
.hero__reveal{position:absolute;inset:0;z-index:2;clip-path:circle(var(--r,0%) at 50% 50%);will-change:clip-path}
.hero__img{width:100%;height:100%;object-fit:cover;transform:scale(var(--imgScale,1.4))}
.hero__shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.35) 0%,transparent 30%,transparent 55%,rgba(0,0,0,.7) 100%)}
.hero__caption{position:absolute;left:var(--pad);bottom:clamp(28px,7vh,72px)}
.hero__line{font-family:var(--serif);font-size:clamp(28px,3.4vw,50px);line-height:1.05;margin-top:10px}
.hero__hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:3;font-size:11px;letter-spacing:.3em;text-transform:uppercase;opacity:.6}
.hero__hint::after{content:"";display:block;width:1px;height:34px;background:var(--gold);margin:10px auto 0;animation:hint 1.8s ease-in-out infinite}
@keyframes hint{0%,100%{transform:scaleY(.3);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}}

/* ---------- texto escalonado ---------- */
.reveal{display:block}
.reveal span{display:block}
body:not(.no-gsap) .reveal{overflow:hidden}
body:not(.no-gsap) .reveal span{transform:translateY(105%);opacity:0}

/* =========================================================
   MANIFESTO
   ========================================================= */
.manifesto{padding:clamp(110px,16vw,200px) 0 clamp(80px,10vw,140px)}
.manifesto .big{margin:22px 0 30px}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin-top:clamp(60px,8vw,110px);border:1px solid var(--line)}
.pillar{background:var(--ink);padding:38px 32px}
.pillar svg,.uses__grid svg{width:34px;height:34px;fill:none;stroke:var(--gold);stroke-width:1.2;stroke-linecap:round;stroke-linejoin:round}
.pillar h3{font-family:var(--serif);font-weight:500;font-size:28px;margin:22px 0 10px}
.pillar p{opacity:.72;font-size:15.5px}

/* =========================================================
   PROJETOS
   ========================================================= */
.project{padding-bottom:clamp(70px,9vw,130px)}
.project__cover{position:relative;height:92vh;height:92svh;overflow:hidden}
.project__cover img{position:absolute;inset:-8% 0;width:100%;height:116%;object-fit:cover}
.project__cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.25),transparent 40%,rgba(0,0,0,.72))}
.project__title{position:absolute;z-index:1;left:var(--pad);right:var(--pad);bottom:clamp(30px,7vh,80px);color:#fbf6ee}
.project__title h2{font-family:var(--serif);font-weight:500;font-size:clamp(58px,10vw,150px);line-height:.9;margin:10px 0 12px}
.project__title p:last-child{font-size:clamp(17px,1.6vw,22px);opacity:.88}

.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,96px);align-items:center;padding-top:clamp(70px,9vw,130px);padding-bottom:clamp(50px,6vw,90px)}
.split--rev .split__text{order:2}
.split__text .mid{margin:18px 0 22px}
.split__text p{opacity:.8;max-width:520px}
.feats{list-style:none;margin-top:30px;border-top:1px solid var(--line)}
.feats li{padding:13px 0;border-bottom:1px solid var(--line);font-size:15.5px;display:flex;gap:14px;align-items:center}
.feats li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);flex:none}
.split__img{overflow:hidden;border-radius:2px}
.split__img img{width:100%;height:auto}
.split__img.tall img{aspect-ratio:4/5;object-fit:cover}
.split__img figcaption{font-size:12px;letter-spacing:.2em;text-transform:uppercase;opacity:.55;margin-top:12px}

.wide{overflow:hidden;margin:0 0 clamp(14px,1.6vw,22px)}
.wide img{width:100%;height:clamp(320px,62vw,86vh);object-fit:cover}
.gallery{display:grid;gap:clamp(14px,1.6vw,22px);margin-bottom:clamp(14px,1.6vw,22px)}
.gallery figure{overflow:hidden}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s cubic-bezier(.2,.7,.2,1)}
.gallery figure:hover img{transform:scale(1.04)}
.g3{grid-template-columns:repeat(3,1fr)}
.g3 figure{aspect-ratio:4/5}
.g2{grid-template-columns:1fr 1fr}
.g2 figure{aspect-ratio:3/2}
.note{font-size:12px;opacity:.45;margin-top:8px}

/* Sierra One em papel claro: muda o clima entre os dois projetos */
.project--light{background:var(--paper);color:var(--text-dark);--line:rgba(27,26,23,.14)}
.project--light em{color:var(--green)}
.project--light .eyebrow{color:var(--green)}
.project--light .project__title .eyebrow{color:var(--gold-soft)}
.project--light .feats li::before{background:var(--green)}

/* =========================================================
   FÁBRICA — trilho horizontal (pin no desktop, swipe no celular)
   ========================================================= */
.factory{background:var(--ink-2);position:relative}
.factory__stage{height:100vh;height:100svh;display:flex;align-items:center;gap:clamp(40px,5vw,80px);padding-left:var(--pad);overflow:hidden}
.factory__intro{flex:0 0 min(440px,34vw)}
.factory__intro .big{font-size:clamp(40px,5vw,76px);margin:20px 0 22px}
.factory__intro p{opacity:.75}
.factory__track{display:flex;gap:22px;will-change:transform;padding-right:var(--pad)}
.factory__track figure{flex:0 0 clamp(260px,24vw,380px)}
.factory__track img{width:100%;aspect-ratio:3/4;object-fit:cover;filter:saturate(.85) contrast(1.05)}
.factory__track figcaption{margin-top:14px;font-size:15px;display:flex;gap:12px;align-items:baseline}
.factory__track figcaption b{font-family:var(--serif);color:var(--gold);font-size:22px;font-weight:500}

/* =========================================================
   USOS + PROCESSO
   ========================================================= */
.uses{padding:clamp(100px,12vw,170px) 0 clamp(60px,7vw,100px)}
.uses .mid{margin-top:16px}
.uses__grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:56px}
.uses__grid div{background:var(--ink);padding:34px 20px;display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center;font-size:15px}

.steps{padding:clamp(60px,7vw,100px) 0 clamp(100px,12vw,170px)}
.steps .mid{margin-top:16px}
.steps__list{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,3vw,44px);margin-top:60px;counter-reset:s}
.steps__list li{border-top:1px solid var(--gold);padding-top:22px}
.steps__list b{font-family:var(--serif);font-size:44px;font-weight:500;color:var(--gold);line-height:1}
.steps__list h3{font-family:var(--serif);font-weight:500;font-size:28px;margin:14px 0 8px}
.steps__list p{opacity:.72;font-size:15.5px}

/* =========================================================
   CTA + RODAPÉ
   ========================================================= */
.cta{position:relative;min-height:100vh;display:grid;place-items:center;overflow:hidden;padding:120px var(--pad)}
.cta__bg{position:absolute;inset:-10% 0;width:100%;height:120%;object-fit:cover;opacity:.42}
.cta::before{content:"";position:absolute;inset:0;z-index:1;background:radial-gradient(70% 70% at 50% 50%,rgba(13,13,12,.55),rgba(13,13,12,.92))}
.cta__box{position:relative;z-index:2;text-align:center;max-width:760px}
.cta__logo{height:92px;width:auto;margin:0 auto 34px}
.cta__box p{margin:26px auto 38px;max-width:520px;opacity:.85}
.btn{display:inline-block;background:var(--gold);color:var(--ink);font-weight:500;padding:17px 34px;border-radius:50px;letter-spacing:.04em;margin:6px;transition:transform .25s,background .25s}
.btn:hover{transform:translateY(-2px);background:var(--gold-soft)}
.btn--ghost{background:transparent;color:var(--cream);border:1px solid var(--line)}
.btn--ghost:hover{background:rgba(243,234,217,.06)}

.foot{text-align:center;padding:70px var(--pad) 40px;border-top:1px solid var(--line);font-size:14px;opacity:.85}
.foot__logo{height:64px;width:auto;margin:0 auto 22px}
.foot p{margin-top:8px}
.foot a{border-bottom:1px solid transparent;transition:border-color .2s}
.foot a:hover{border-color:var(--gold)}
.foot__small{font-size:12px;opacity:.6;margin-top:26px!important}

/* ---------- fallback sem GSAP ---------- */
.no-gsap .hero__reveal{clip-path:none}
.no-gsap .hero__img{transform:none}
.no-gsap .hero__ring,.no-gsap .hero__type,.no-gsap .hero__hint{display:none}

/* =========================================================
   CELULAR (<820px): sem pin, trilho vira swipe
   ========================================================= */
@media (max-width:820px){
  body{font-size:16px}
  .nav{padding:14px 16px}
  .nav__logo img{height:34px}
  .nav__links a:not(.nav__cta){display:none}
  .nav__cta{padding:8px 14px;font-size:12px}
  .wrap{padding:0 16px}
  .hero__caption{left:16px;right:16px}
  .pillars{grid-template-columns:1fr}
  .pillar{padding:30px 22px}
  .project__cover{height:78svh}
  .split{grid-template-columns:1fr;padding-top:60px}
  .split--rev .split__text{order:0}
  .g3{grid-template-columns:1fr 1fr}
  .g3 figure:last-child{grid-column:1/-1;aspect-ratio:3/2}
  .g2{grid-template-columns:1fr}
  .factory__stage{height:auto;flex-direction:column;align-items:stretch;padding:90px 0 70px}
  .factory__intro{flex:none;padding:0 16px}
  .factory__track{overflow-x:auto;scroll-snap-type:x mandatory;padding:0 16px 10px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .factory__track::-webkit-scrollbar{display:none}
  .factory__track figure{flex:0 0 76%;scroll-snap-align:start}
  .uses__grid{grid-template-columns:1fr 1fr}
  .uses__grid div:last-child{grid-column:1/-1}
  .steps__list{grid-template-columns:1fr 1fr;gap:34px 20px}
  .cta{min-height:auto;padding:110px 16px}
  .cta__logo{height:70px}
  .btn{display:block;margin:10px 0}
}