/* ============================================================
   SATURN DESIGN — saturn.design
   Direção CROMÁTICO · a interface assume a cor do cliente
   Bebas Neue (display) + Archivo (corpo)
   ============================================================ */

:root{
  --void:#0A0A0E;
  --titan:#121219;
  --linha:#242430;
  --estelar:#F4F3F7;
  --poeira:#9C9BAA;
  --orbita:#8F6BFF;

  /* cor ativa: trocada em runtime pela faixa em foco */
  --cor-ativa:var(--orbita);
  --sobre-cor:var(--void);

  --max:1360px;
  --pad:clamp(20px,5vw,72px);
  --ease:cubic-bezier(.22,.61,.2,1);
  --seco:cubic-bezier(.16,1,.3,1);
  --t-cor:700ms;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--void);
  color:var(--estelar);
  font-family:'Archivo',system-ui,-apple-system,sans-serif;
  font-size:clamp(16px,1.05vw,18px);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--cor-ativa);color:var(--void)}

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

:focus-visible{
  outline:2px solid var(--estelar);
  outline-offset:4px;
  border-radius:2px;
}

.pular{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--estelar);color:var(--void);padding:12px 20px;
}
.pular:focus{left:0}

/* ---------- Tipografia ---------- */
.display{
  font-family:'Bebas Neue',Impact,sans-serif;
  font-weight:400;
  line-height:.88;
  letter-spacing:.005em;
  text-transform:uppercase;
}
.rotulo{
  font-size:clamp(10px,.72vw,12px);
  letter-spacing:.24em;
  text-transform:uppercase;
  font-weight:600;
}
.codigo{
  font-family:'Archivo',sans-serif;
  font-size:clamp(10px,.72vw,12px);
  letter-spacing:.2em;
  font-weight:500;
  font-variant-numeric:tabular-nums;
}
.poeira{color:var(--poeira)}

/* ============================================================
   HEADER
   ============================================================ */
.topo{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background var(--t-cor) var(--ease),color var(--t-cor) var(--ease);
  mix-blend-mode:normal;
}
.topo.is-cor{color:var(--sobre-cor)}
.topo__in{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;padding-block:clamp(16px,2vw,26px);
}
.marca{display:flex;align-items:center;gap:11px;letter-spacing:.16em;font-size:13px;font-weight:600;text-transform:uppercase}
.marca img{height:26px;width:auto;transition:filter var(--t-cor) var(--ease)}
.topo.is-cor .marca img{filter:brightness(0)}

.nav{display:flex;align-items:center;gap:clamp(18px,2.4vw,36px)}
.nav a{
  font-size:13px;letter-spacing:.12em;text-transform:uppercase;font-weight:500;
  position:relative;padding-block:4px;
}
.nav a::after{
  content:'';position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:currentColor;transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--seco);
}
.nav a:hover::after,.nav a[aria-current]::after{transform:scaleX(1)}
.nav .cta{
  border:1px solid currentColor;border-radius:100px;
  padding:9px 20px;transition:background .3s var(--ease),color .3s var(--ease);
}
.nav .cta::after{display:none}
.nav .cta:hover{background:currentColor}
.nav .cta:hover span{color:var(--void)}
.topo.is-cor .nav .cta:hover span{color:var(--cor-ativa)}

.menu-btn{display:none}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;flex-direction:column;justify-content:flex-end;
  overflow:hidden;
  padding-top:22vh;
}
.hero__disco{
  position:absolute;
  top:-10vh;right:-6vw;
  width:min(64vw,680px);aspect-ratio:1;
  border-radius:50%;
  background:conic-gradient(from 0deg,
    #0081FF, #8F6BFF, #EB5C20, #F28343, #CADF16, #12A150, #E4573D, #0081FF);
  filter:blur(84px) saturate(1.15);
  opacity:.42;
  animation:girar 52s linear infinite;
  pointer-events:none;
}
.hero__disco::after{
  content:'';position:absolute;inset:16%;
  border-radius:50%;
  background:var(--void);
  filter:blur(52px);
  opacity:.9;
}
@keyframes girar{to{transform:rotate(360deg)}}

.hero__grid{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:1fr minmax(0,42ch);
  align-items:end;gap:clamp(24px,4vw,64px);
  padding-bottom:clamp(40px,6vw,80px);
}
.hero__meta{
  display:flex;flex-direction:column;gap:6px;
  color:var(--poeira);
}
.hero__meta strong{color:var(--estelar);font-weight:600}
.hero__lead{font-size:clamp(18px,1.6vw,25px);line-height:1.4;text-wrap:balance}
.hero__lead em{font-style:normal;color:var(--poeira)}

/* wordmark sangrando de borda a borda */
.hero__marca{
  position:relative;z-index:2;
  margin-inline:calc(var(--pad) * -1);
  padding-inline:0;
}
.hero__marca img{width:100%;height:auto}

.hero__rodape{
  position:relative;z-index:2;
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  padding-block:18px 22px;
  border-top:1px solid var(--linha);
  color:var(--poeira);
}
.hero__rodape .seta{
  display:inline-flex;align-items:center;gap:8px;color:var(--estelar);
}
.hero__rodape .seta svg{animation:descer 2.4s var(--ease) infinite}
@keyframes descer{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}

/* ============================================================
   SEÇÕES
   ============================================================ */
.secao{padding-block:clamp(80px,11vw,168px)}
.secao__topo{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:24px;flex-wrap:wrap;
  padding-bottom:clamp(28px,3.4vw,52px);
  border-bottom:1px solid var(--linha);
  margin-bottom:clamp(28px,3.4vw,56px);
}
.secao__topo h2{font-size:clamp(40px,6vw,88px)}

/* ============================================================
   FAIXAS DE PROJETO  — o dispositivo cromático
   ============================================================ */
.faixas{position:relative}

.faixa{
  --cor:var(--orbita);
  --raio:clamp(20px,2.8vw,48px);
  position:relative;
  min-height:clamp(520px,76vh,820px);
  display:flex;align-items:center;
  color:var(--estelar);
  isolation:isolate;
}
.faixa + .faixa{margin-top:clamp(10px,1.4vw,18px)}

/* o card: sobe e se pinta ao entrar na viewport */
.faixa::before{
  content:'';position:absolute;inset:0;z-index:-1;
  background:var(--cor);
  border-radius:var(--raio);
  transform:translateY(56px) scale(.985);
  opacity:0;
  transition:transform .9s var(--seco),opacity .55s var(--ease);
}
.faixa.is-ativa::before{transform:none;opacity:1}
.faixa.is-ativa{color:var(--sobre)}

.faixa__in{
  display:grid;
  grid-template-columns:1fr 1.1fr;
  align-items:center;
  gap:clamp(28px,5vw,88px);
  width:100%;
  padding-block:clamp(56px,7vw,96px);
}

.faixa__meta{
  display:flex;align-items:center;gap:14px;
  padding-bottom:18px;
  opacity:.72;
}
.faixa__meta span{white-space:nowrap}
.faixa__meta i{font-style:normal;opacity:.5}

.faixa__titulo{
  font-size:clamp(46px,7.2vw,116px);
  padding-bottom:.12em;
}
.faixa__frase{
  font-size:clamp(19px,2vw,32px);
  line-height:1.25;
  max-width:22ch;
  padding-bottom:clamp(20px,2.4vw,34px);
  text-wrap:balance;
}
.faixa__resumo{
  max-width:44ch;opacity:.78;
  padding-bottom:clamp(22px,2.6vw,34px);
}
.tags{display:flex;flex-wrap:wrap;gap:8px;padding-bottom:clamp(24px,3vw,38px)}
.tag{
  border:1px solid currentColor;border-radius:100px;
  padding:6px 15px;font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  opacity:.6;
}
.faixa__link{
  display:inline-flex;align-items:center;gap:12px;
  font-size:clamp(13px,1vw,15px);letter-spacing:.14em;text-transform:uppercase;font-weight:600;
  border-bottom:1px solid currentColor;padding-bottom:5px;
}
.faixa__link svg{transition:transform .35s var(--seco)}
.faixa a:hover .faixa__link svg,.faixa__link:hover svg{transform:translateX(6px)}

/* mídia */
.faixa__midia{
  position:relative;
  aspect-ratio:4/3;
  overflow:hidden;
  background:var(--titan);
  border-radius:calc(var(--raio) * .62);
}
.faixa__midia img{
  width:100%;height:100%;object-fit:cover;
  transform:scale(1.04);
  transition:transform 1.1s var(--seco);
}
.faixa:hover .faixa__midia img{transform:scale(1)}

/* placa cromática — case sem capa ainda */
.placa{
  display:grid;place-content:center;gap:10px;
  text-align:center;
  height:100%;
  background:var(--void);
  border:1px solid color-mix(in srgb,currentColor 22%,transparent);
  border-radius:calc(var(--raio) * .62);
  position:relative;overflow:hidden;
  color:var(--estelar);
}
.placa__codigo{font-size:clamp(56px,7vw,120px);line-height:.85;color:var(--cor)}
.placa__nota{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--poeira)}
.placa__simbolo{
  position:absolute;right:-14%;bottom:-24%;
  width:62%;opacity:.06;pointer-events:none;
}

/* link que envolve a faixa inteira */
a.faixa-link{display:block;color:inherit}

/* ============================================================
   PÁGINA /projetos/ — cabeçalho e filtros
   ============================================================ */
.indice__topo{padding-top:clamp(120px,15vw,210px);padding-bottom:clamp(28px,4vw,56px)}
.indice__topo h1{font-size:clamp(52px,9vw,140px)}
.indice__topo p{max-width:52ch;color:var(--poeira);padding-top:clamp(14px,1.6vw,22px)}

.filtros{
  display:flex;flex-wrap:wrap;gap:8px;
  padding-bottom:clamp(28px,4vw,56px);
}
.filtro{
  border:1px solid var(--linha);border-radius:100px;
  padding:9px 18px;font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--poeira);
  transition:color .25s,border-color .25s,background .25s;
}
.filtro:hover{color:var(--estelar);border-color:var(--poeira)}
.filtro.is-on{background:var(--estelar);border-color:var(--estelar);color:var(--void)}

/* ============================================================
   PÁGINA DE CASE
   ============================================================ */
.caso__topo{
  --raio:clamp(20px,2.8vw,48px);
  background:var(--cor);color:var(--sobre);
  border-radius:var(--raio);
  margin-top:clamp(86px,10vw,132px);
  padding:clamp(64px,9vw,140px) clamp(24px,5vw,80px) clamp(40px,5vw,72px);
}
.caso__codigo{display:flex;gap:12px;align-items:center;opacity:.7;padding-bottom:clamp(18px,2vw,28px)}
.caso__codigo i{font-style:normal;opacity:.5}
.caso__titulo{font-size:clamp(52px,10vw,168px);padding-bottom:.1em}
.caso__frase{
  font-size:clamp(21px,2.6vw,44px);line-height:1.18;max-width:24ch;
  padding-bottom:clamp(36px,5vw,72px);text-wrap:balance;
}
.caso__ficha{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:clamp(18px,2.4vw,36px);
  border-top:1px solid color-mix(in srgb,currentColor 26%,transparent);
  padding-top:clamp(22px,2.6vw,36px);
}
.caso__ficha dt{font-size:11px;letter-spacing:.22em;text-transform:uppercase;opacity:.62;padding-bottom:7px}
.caso__ficha dd{font-size:clamp(15px,1.15vw,18px);font-weight:500}

.caso__capa{
  margin-top:clamp(18px,2.4vw,32px);
  border-radius:clamp(14px,1.8vw,30px);
  overflow:hidden;background:var(--titan);
}
.placa--capa{aspect-ratio:16/9;border-radius:0;border:0}
.placa--capa .placa__codigo{font-size:clamp(72px,11vw,200px)}

/* corpo editorial: rótulo à esquerda, texto à direita */
.caso__corpo{padding-block:clamp(64px,9vw,140px)}
.bloco{
  display:grid;grid-template-columns:minmax(150px,220px) minmax(0,1fr);
  gap:clamp(18px,4vw,72px);
  padding-block:clamp(28px,3.6vw,52px);
  border-top:1px solid var(--linha);
}
.bloco:last-child{border-bottom:1px solid var(--linha)}
.bloco h2{
  font-size:clamp(11px,.8vw,13px);letter-spacing:.24em;text-transform:uppercase;
  font-family:'Archivo',sans-serif;font-weight:600;color:var(--cor);
  padding-top:.5em;
}
.bloco__texto{max-width:62ch;font-size:clamp(16px,1.2vw,19px)}
.bloco__texto p + p{padding-top:1em}
.bloco__texto strong{font-weight:600}
.bloco__texto em{font-style:normal;color:var(--cor);font-weight:500}

/* paleta do cliente */
.paleta{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}
.chip{
  border:1px solid var(--linha);border-radius:16px;
  padding:16px 18px 18px;
  display:flex;flex-direction:column;gap:2px;
}
.chip__amostra{
  height:56px;border-radius:9px;margin-bottom:14px;
  border:1px solid color-mix(in srgb,var(--estelar) 12%,transparent);
}
.chip__nome{font-weight:600;font-size:15px}
.chip__hex{font-size:12px;letter-spacing:.14em;color:var(--poeira);text-transform:uppercase;font-variant-numeric:tabular-nums}

/* entregas */
.entregas{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.entregas li{
  border:1px solid var(--linha);border-radius:100px;
  padding:9px 18px;font-size:14px;color:var(--poeira);
}

/* nota de lacuna — some quando o Lio preencher */
.nota{
  border-left:2px solid var(--cor);
  padding:4px 0 4px 18px;color:var(--poeira);font-size:15px;
  margin-top:1.2em;
}

/* próximo projeto */
.proximo{
  --raio:clamp(20px,2.8vw,48px);
  display:block;background:var(--cor);color:var(--sobre);
  border-radius:var(--raio);
  margin-bottom:clamp(18px,2.4vw,32px);
  transition:transform .5s var(--seco);
}
.proximo:hover{transform:translateY(-6px)}
.proximo__link{
  display:block;
  padding-block:clamp(52px,7vw,104px);
}
.proximo__rotulo{display:block;opacity:.68;padding-bottom:14px}
.proximo__titulo{display:block;font-size:clamp(44px,8vw,124px);padding-bottom:.14em}
.proximo__frase{display:inline-flex;align-items:center;gap:14px;font-size:clamp(16px,1.5vw,22px)}
.proximo__frase svg{transition:transform .4s var(--seco)}
.proximo:hover .proximo__frase svg{transform:translateX(8px)}

/* ============================================================
   SERVIÇOS
   ============================================================ */
.servicos{list-style:none;display:grid;gap:0}
.servico{
  display:grid;
  grid-template-columns:88px 1fr minmax(0,46ch);
  gap:clamp(16px,3vw,48px);
  align-items:start;
  padding-block:clamp(26px,3.4vw,44px);
  border-bottom:1px solid var(--linha);
}
.servico:first-child{border-top:1px solid var(--linha)}
.servico h3{font-size:clamp(28px,3.4vw,52px)}
.servico .codigo{padding-top:.6em;color:var(--poeira)}
.servico p{color:var(--poeira)}

/* ============================================================
   CTA FINAL
   ============================================================ */
.fechamento{
  text-align:center;
  padding-block:clamp(96px,13vw,190px);
  border-top:1px solid var(--linha);
}
.fechamento h2{font-size:clamp(44px,8vw,124px);padding-block:.16em .28em}
.fechamento .rotulo{color:var(--orbita)}
.btn{
  display:inline-flex;align-items:center;gap:12px;
  background:var(--estelar);color:var(--void);
  padding:16px 34px;border-radius:100px;
  font-size:14px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;
  transition:transform .35s var(--seco),background .35s var(--ease);
}
.btn:hover{transform:translateY(-3px);background:var(--cor-ativa)}
.btn svg{transition:transform .35s var(--seco)}
.btn:hover svg{transform:translateX(5px)}

/* ============================================================
   FOOTER
   ============================================================ */
.rodape{border-top:1px solid var(--linha);padding-block:clamp(40px,5vw,72px)}
.rodape__in{
  display:grid;grid-template-columns:1fr auto;gap:clamp(28px,4vw,64px);
  align-items:start;
}
.rodape__nav{display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:flex-end}
.rodape__nav a{font-size:14px;color:var(--poeira);transition:color .25s}
.rodape__nav a:hover{color:var(--estelar)}
.rodape__base{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:clamp(28px,4vw,56px);color:var(--poeira);font-size:13px;
}

/* ============================================================
   REVEAL
   ============================================================ */
.rev{opacity:0;transform:translateY(22px);transition:opacity .7s var(--seco),transform .7s var(--seco)}
.rev.is-in{opacity:1;transform:none}
.rev[data-d="1"]{transition-delay:.08s}
.rev[data-d="2"]{transition-delay:.16s}
.rev[data-d="3"]{transition-delay:.24s}

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width:900px){
  .hero{padding-top:16vh}
  .hero__grid{grid-template-columns:1fr;align-items:start}
  .hero__meta{order:-1}
  .faixa__in{grid-template-columns:1fr;gap:28px}
  .faixa__midia{order:-1;aspect-ratio:16/10}
  .servico{grid-template-columns:60px 1fr;row-gap:10px}
  .servico p{grid-column:2/-1}
  .rodape__in{grid-template-columns:1fr}
  .rodape__nav{justify-content:flex-start}
  .bloco{grid-template-columns:1fr;gap:12px}
  .caso__topo{padding-inline:clamp(20px,5vw,40px)}

  .menu-btn{
    display:inline-flex;align-items:center;gap:9px;
    font-size:13px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;
  }
  .nav{
    position:fixed;inset:0;z-index:99;
    background:var(--void);color:var(--estelar);
    flex-direction:column;justify-content:center;
    gap:22px;
    clip-path:inset(0 0 100% 0);
    transition:clip-path .55s var(--seco);
  }
  .nav a{font-size:26px;letter-spacing:.04em}
  body.menu-aberto .nav{clip-path:inset(0 0 0 0)}
  body.menu-aberto{overflow:hidden}
}

@media (max-width:560px){
  .hero__disco{width:110vw;right:-30vw;filter:blur(58px)}
  .faixa__meta{flex-wrap:wrap;gap:8px 12px}
}

/* ============================================================
   MOVIMENTO REDUZIDO
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  .rev{opacity:1;transform:none}
  .faixa::before{transform:none;opacity:1}
}