/* ══════════════════════════════════════════════
   Isadora Bianchi — Arquitetura e Interiores
   Paleta tirada dos projetos dela:
   osso, areia, madeira, terracota, grafite
   ══════════════════════════════════════════════ */

:root{
  --bone:#f4f1ea;
  --sand:#e7e0d4;
  --wood:#8a6a4a;
  --clay:#a9714f;
  --clay-soft:#c99a76;
  --ink:#1c1917;
  --ink-60:rgba(28,25,23,.62);
  --ink-40:rgba(28,25,23,.56);
  --ink-15:rgba(28,25,23,.15);
  --ink-08:rgba(28,25,23,.08);

  --serif:"Cormorant Garamond",Georgia,serif;
  --sans:"Jost","Helvetica Neue",Arial,sans-serif;

  --pad:clamp(20px,5vw,80px);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bone);color:var(--ink);
  font-family:var(--sans);font-weight:300;font-size:16px;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
button{font:inherit;cursor:pointer}
address{font-style:normal}

.wrap{max-width:1320px;margin:0 auto;padding:0 var(--pad)}

.label{
  font-size:11px;letter-spacing:.3em;text-transform:uppercase;
  color:var(--ink-40);margin:0 0 22px;
}
.h2{
  font-family:var(--serif);font-weight:300;
  font-size:clamp(30px,4.4vw,58px);line-height:1.12;letter-spacing:-.01em;
  margin:0 0 28px;
}
.h2 em,.quote em{font-style:italic;color:var(--clay)}

/* ─── Loader ─── */
.loader{
  position:fixed;inset:0;z-index:200;background:var(--bone);
  display:grid;place-items:center;
  transition:opacity .8s var(--ease),visibility .8s;
}
html:not(.js) .loader{display:none}   /* sem JS, nada de cortina permanente */
.loader__mark{
  font-family:var(--serif);font-style:italic;font-size:40px;letter-spacing:.18em;
  color:var(--ink-40);animation:pulse 1.6s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:.25}50%{opacity:1}}
body.ready .loader{opacity:0;visibility:hidden}

/* ─── Nav ─── */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px var(--pad);
  transition:background .5s var(--ease),padding .5s var(--ease),
             box-shadow .5s var(--ease),color .5s var(--ease);
}
.nav.is-solid{
  background:rgba(244,241,234,.9);backdrop-filter:blur(14px);
  padding:14px var(--pad);box-shadow:0 1px 0 var(--ink-08);
}
.nav.is-dark{color:var(--bone)}
.nav__logo-mark{
  display:block;font-family:var(--serif);font-size:20px;letter-spacing:.14em;
  text-transform:uppercase;line-height:1;
}
.nav__logo-sub{
  display:block;font-size:9.5px;letter-spacing:.3em;text-transform:uppercase;
  opacity:.55;margin-top:6px;
}
.nav__links{display:flex;gap:34px}
.nav__links a{
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  position:relative;padding-bottom:3px;
}
.nav__links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:currentColor;transition:width .4s var(--ease);
}
.nav__links a:hover::after{width:100%}

.nav__toggle{
  display:none;background:none;border:0;width:34px;height:34px;padding:0;position:relative;
}
.nav__toggle span{
  position:absolute;left:6px;right:6px;height:1px;background:currentColor;
  transition:transform .4s var(--ease);
}
.nav__toggle span:nth-child(1){top:14px}
.nav__toggle span:nth-child(2){top:20px}
.nav.is-open .nav__toggle span:nth-child(1){transform:translateY(3px) rotate(45deg)}
.nav.is-open .nav__toggle span:nth-child(2){transform:translateY(-3px) rotate(-45deg)}

/* ─── Hero ─── */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  padding:150px var(--pad) 120px;overflow:hidden;
}
.hero__bg{
  position:absolute;inset:0;z-index:0;
  background:linear-gradient(180deg,#f0ece3 0%,#f4f1ea 45%,#eae3d6 100%);
}
.hero__bg::before{
  content:"";position:absolute;inset:0;
  background-image:var(--hero,none);
  background-size:cover;background-position:50% 42%;
  opacity:.85;filter:saturate(.9);
}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(100deg, rgba(244,241,234,.98) 0%, rgba(244,241,234,.94) 34%, rgba(244,241,234,.6) 62%, rgba(244,241,234,.3) 100%),
    linear-gradient(0deg, rgba(244,241,234,.75) 0%, rgba(244,241,234,0) 42%);
}
.hero__inner{position:relative;z-index:1;max-width:1100px}
.hero__eyebrow{
  font-size:11px;letter-spacing:.3em;text-transform:uppercase;
  color:var(--ink-60);margin:0 0 34px;
}
.hero__title{
  font-family:var(--serif);font-weight:300;
  font-size:clamp(46px,9vw,132px);line-height:.98;letter-spacing:-.025em;
  margin:0 0 40px;
}
.hero__title em{font-style:italic;color:var(--clay)}
.line{display:block;overflow:hidden;padding-bottom:.06em}
.line>span{display:block;transition:transform 1.15s var(--ease)}
.js .line>span{transform:translateY(105%)}
.js body.ready .line>span{transform:translateY(0)}
.js body.ready .line:nth-child(2)>span{transition-delay:.12s}

.hero__lede{max-width:46ch;font-size:clamp(15px,1.5vw,19px);color:rgba(28,25,23,.78);margin:0}
.hero__scroll{
  position:absolute;left:var(--pad);bottom:44px;z-index:1;
  display:flex;align-items:center;gap:16px;
  font-size:10px;letter-spacing:.28em;text-transform:uppercase;color:var(--ink-40);
}
.hero__line{display:block;width:70px;height:1px;background:var(--ink-15);position:relative;overflow:hidden}
.hero__line::after{
  content:"";position:absolute;inset:0;background:var(--clay);
  transform:translateX(-100%);animation:slide 2.4s var(--ease) infinite;
}
@keyframes slide{0%{transform:translateX(-100%)}60%,100%{transform:translateX(100%)}}

/* ══════════════════════════════════════════════
   PERCURSO — a câmera atravessa os cômodos
   ══════════════════════════════════════════════ */
.journey{position:relative}          /* altura definida pelo JS */
.journey__stage{
  position:sticky;top:0;height:100svh;overflow:hidden;
  background:#14110e;
  perspective:1200px;perspective-origin:50% 48%;
}
.journey__scene{position:absolute;inset:0;transform-style:preserve-3d}
.journey__stage::after{        /* scrim do topo: o menu precisa ser legível */
  content:"";position:absolute;left:0;right:0;top:0;height:200px;z-index:4;
  pointer-events:none;
  background:linear-gradient(180deg, rgba(14,11,9,.62) 0%, rgba(14,11,9,.28) 45%, rgba(14,11,9,0) 100%);
}

.room{
  position:absolute;inset:-2%;display:grid;place-items:center;
  transform-style:preserve-3d;backface-visibility:hidden;
}
.room__media{position:absolute;inset:0;overflow:hidden}
.room__img{
  position:absolute;inset:-3%;
  background:#2a2320 var(--photo,none) no-repeat;
  background-size:cover;
  background-position:var(--pos,50% 50%);
}
.room__media::after{        /* vinheta: o texto precisa respirar */
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(95deg, rgba(14,11,9,.74) 0%, rgba(14,11,9,.34) 42%, rgba(14,11,9,.02) 72%),
    linear-gradient(0deg, rgba(14,11,9,.62) 0%, rgba(14,11,9,0) 45%);
}

.room__caption{
  position:relative;z-index:2;
  width:min(100%,1320px);padding:0 var(--pad);
  align-self:end;justify-self:start;margin-bottom:clamp(76px,13vh,140px);
  color:var(--bone);max-width:660px;
}
.room__num{
  display:block;font-size:11px;letter-spacing:.32em;text-transform:uppercase;
  color:var(--clay-soft);margin-bottom:18px;
}
.room__name{
  font-family:var(--serif);font-weight:300;
  font-size:clamp(40px,6.6vw,92px);line-height:1.02;letter-spacing:-.02em;margin:0 0 20px;
}
.room__text{
  margin:0;font-size:clamp(14px,1.3vw,17px);line-height:1.75;
  color:rgba(244,241,234,.74);max-width:40ch;
}

.journey__index{
  position:absolute;right:var(--pad);top:50%;transform:translateY(-50%);
  z-index:5;display:flex;flex-direction:column;gap:20px;
}
.journey__index li{
  display:flex;align-items:center;gap:14px;
  font-size:10px;letter-spacing:.24em;text-transform:uppercase;
  color:rgba(244,241,234,.34);transition:color .5s var(--ease);
}
/* O traço vive num trilho de largura fixa e cresce ancorado à direita.
   Assim todos os traços terminam na mesma vertical e todos os rótulos
   começam na mesma vertical, por mais que os nomes tenham larguras
   diferentes — era isso que deixava o índice escalonado. */
.journey__index li i{
  position:relative;flex:0 0 52px;height:1px;
}
.journey__index li i::after{
  content:"";position:absolute;right:0;top:0;height:1px;width:26px;
  background:rgba(244,241,234,.32);
  transition:width .5s var(--ease),background .5s var(--ease);
}
.journey__index li span{
  opacity:0;transform:translateX(8px);white-space:nowrap;
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.journey__index li.is-active{color:var(--bone)}
.journey__index li.is-active span{opacity:1;transform:none}
.journey__index li.is-active i::after{width:52px;background:var(--clay-soft)}

.journey__progress{
  position:absolute;left:0;right:0;bottom:0;height:2px;
  background:rgba(244,241,234,.12);z-index:5;
}
.journey__progress span{display:block;height:100%;width:0;background:var(--clay-soft)}

/* ─── Reveal ───
   Só esconde quando o JS está no ar: sem script (ou se ele falhar),
   o conteúdo aparece normalmente em vez de ficar invisível. */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.js .reveal.in{opacity:1;transform:none}

/* ─── Estúdio ─── */
.studio{padding:clamp(90px,14vh,170px) 0}
.studio__grid{
  display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);
  gap:clamp(36px,6vw,100px);align-items:start;
}
.ph{
  background:linear-gradient(160deg,#e3dbcf,#c1b3a0) no-repeat;
  background-size:cover;background-position:var(--pos,50% 50%);
  position:relative;overflow:hidden;
}
/* quadrado de propósito: enquadra a mesa e deixa de fora a faixa
   de texto que a foto traz do Instagram no rodapé */
.ph--portrait{aspect-ratio:1/1}
.cap{margin:14px 0 0;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-60)}
.studio__text p{color:var(--ink-60);margin:0 0 20px;max-width:58ch}
.studio__facts{
  display:grid;grid-template-columns:repeat(2,1fr);gap:0 32px;
  margin-top:48px;border-top:1px solid var(--ink-15);
}
.studio__facts li{
  padding:22px 0;display:flex;flex-direction:column;gap:4px;
  border-bottom:1px solid var(--ink-15);
}
.studio__facts strong{font-weight:400;font-size:12px;letter-spacing:.2em;text-transform:uppercase}
.studio__facts span{font-size:13px;color:var(--ink-60)}

/* ─── Projetos ─── */
.work{padding:clamp(70px,11vh,120px) 0 clamp(90px,14vh,160px);background:var(--sand)}
.work__head{margin-bottom:clamp(36px,6vh,64px)}
.work__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.2vw,30px)}
.proj{display:block;position:relative}
.proj__img{
  aspect-ratio:4/5;background:#d6cbb9 center/cover no-repeat;
  transition:transform 1.1s var(--ease),filter .7s var(--ease);
}
.proj{overflow:hidden}
.proj__img{transform-origin:center}
.proj:hover .proj__img{transform:scale(1.04)}
.proj--tall{grid-row:span 2}
.proj--tall .proj__img{aspect-ratio:4/8.3}
.proj--wide{grid-column:span 2}
.proj--wide .proj__img{aspect-ratio:16/9}
.proj__meta{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:15px 2px 0;border-top:1px solid var(--ink-15);margin-top:15px;
}
.proj__meta h3{margin:0;font-family:var(--serif);font-weight:400;font-size:22px}
.proj__meta span{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-60)}
.work__more{margin-top:clamp(44px,6vh,72px);text-align:center}

.btn{
  display:inline-block;border:1px solid var(--ink);background:var(--ink);color:var(--bone);
  padding:15px 34px;font-size:11px;letter-spacing:.24em;text-transform:uppercase;
  transition:background .45s var(--ease),color .45s var(--ease);
}
.btn:hover{background:transparent;color:var(--ink)}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--bone)}

/* ─── Processo ─── */
.process{padding:clamp(90px,14vh,170px) 0}
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0 32px;
  border-top:1px solid var(--ink-15);margin-top:clamp(30px,5vh,56px);
}
.steps li{padding:34px 0 40px}
.steps__n{display:block;font-size:11px;letter-spacing:.28em;color:var(--clay);margin-bottom:22px}
.steps h3{margin:0 0 12px;font-family:var(--serif);font-weight:400;font-size:26px}
.steps p{margin:0;font-size:14px;color:var(--ink-60)}

/* ─── Citação ─── */
.quote{padding:clamp(80px,16vh,190px) 0;background:var(--ink);color:var(--bone);text-align:center}
.quote blockquote{
  margin:0 auto;font-family:var(--serif);font-weight:300;
  font-size:clamp(28px,4.8vw,64px);line-height:1.2;letter-spacing:-.01em;max-width:18ch;
}
.quote em{color:var(--clay-soft)}

/* ─── Contato ─── */
.contact{padding:clamp(90px,14vh,170px) 0}
.contact__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,7vw,110px);align-items:start}
.contact__lede{color:var(--ink-60);max-width:40ch;margin:0 0 40px}
.contact__links li{border-top:1px solid var(--ink-15)}
.contact__links li:last-child{border-bottom:1px solid var(--ink-15)}
.contact__links a{
  display:flex;align-items:baseline;justify-content:space-between;gap:20px;
  padding:20px 0;transition:padding-left .45s var(--ease);
}
.contact__links a:hover{padding-left:12px}
.contact__links span{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-60)}
.contact__links em{font-style:normal;font-family:var(--serif);font-size:21px}
.contact__addr{margin-top:34px;font-size:14px;line-height:1.9;color:var(--ink-60)}

.form{display:flex;flex-direction:column;gap:22px}
.form label{display:flex;flex-direction:column;gap:9px}
.form label span{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-60)}
.form input,.form select,.form textarea{
  font:inherit;font-size:15px;color:var(--ink);
  background:transparent;border:0;border-bottom:1px solid var(--ink-15);
  padding:10px 0;border-radius:0;transition:border-color .4s var(--ease);
}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-bottom-color:var(--clay)}
.form textarea{resize:vertical}
.form ::placeholder{color:var(--ink-15)}
.form .btn{align-self:flex-start;margin-top:8px}
.form__note{font-size:13px;color:var(--clay);min-height:20px;margin:0}
.form__note.err{color:#a33}

/* ─── Rodapé ─── */
.foot{padding:34px 0;border-top:1px solid var(--ink-15)}
.foot__grid{
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-40);
}

/* ══════════════ Responsivo ══════════════ */
@media (max-width:1024px){
  .studio__grid,.contact__grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .ph--portrait{max-width:520px}
}
@media (max-width:820px){
  .nav__toggle{display:block}
  .nav__links{
    position:fixed;inset:0;background:var(--bone);color:var(--ink);
    flex-direction:column;align-items:center;justify-content:center;gap:26px;
    opacity:0;visibility:hidden;transition:opacity .5s var(--ease),visibility .5s;
  }
  .nav__links a{font-size:15px}
  .nav.is-open .nav__links{opacity:1;visibility:visible}
  .nav.is-open{color:var(--ink)}

  .work__grid{grid-template-columns:1fr}
  .proj--tall,.proj--wide{grid-row:auto;grid-column:auto}
  .proj--tall .proj__img,.proj--wide .proj__img{aspect-ratio:4/5}

  .journey__index{display:none}
  .room__caption{margin-bottom:clamp(60px,11vh,96px);max-width:none}
  .room__media::after{
    background:linear-gradient(0deg, rgba(14,11,9,.82) 0%, rgba(14,11,9,.15) 55%, rgba(14,11,9,.1) 100%);
  }
  .studio__facts,.steps{grid-template-columns:1fr}
  .hero__scroll{font-size:9px;gap:12px}
  .hero__bg::after{
    background:linear-gradient(180deg, rgba(244,241,234,.94) 0%, rgba(244,241,234,.8) 55%, rgba(244,241,234,.9) 100%);
  }
  .contact__links a{align-items:flex-start;flex-direction:column;gap:4px;padding:16px 0}
  .contact__links em{font-size:20px;line-height:1.15}
}

@media (max-width:380px){
  .nav{padding-left:18px;padding-right:18px}
  .nav__logo-mark{font-size:17px}
  .nav__logo-sub{font-size:8px;letter-spacing:.22em}
  .hero__title{font-size:clamp(42px,14vw,62px)}
  .room__name{font-size:clamp(38px,13vw,58px)}
  .room__text{font-size:14px;line-height:1.6}
  .contact__links em{font-size:18px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .js .line>span{transform:none}
  .hero__line::after{animation:none}
  .loader__mark{animation:none}
  .proj:hover .proj__img{transform:none}
}