/* humanyx lab — identidade visual e verbal v4.0 */

:root{
  /* paleta: campo em movimento */
  --tinta:#171714;
  --leite:#F2EBDD;
  --folha:#566346;
  --barro:#A65D3F;
  --palha:#D4B66A;
  --ceu:#8DA9B0;

  /* variantes de leitura: mesma matiz do barro, so o brilho ajustado.
     --barro-texto p/ etiqueta pequena sobre leite (4.8:1)
     --barro-fundo p/ faixa chapada com texto leite por cima (4.6:1) */
  --barro-texto:#975539;
  --barro-fundo:#9B573B;

  --serif:"Libre Caslon Display",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;

  /* margem de respiro — o manual pede no minimo 6% da borda */
  --margem:clamp(24px,6vw,120px);
  --secao:clamp(96px,14vh,190px);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  background:var(--leite);
  color:var(--tinta);
  font-family:var(--sans);
  font-size:clamp(0.9375rem,1.05vw,1.0625rem);
  line-height:1.7;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block}

::selection{background:var(--palha);color:var(--tinta)}

/* ---------- tipografia ---------- */

h1,h2,h3{
  font-family:var(--serif);
  font-weight:400;
  letter-spacing:-.005em;
  line-height:1.06;
  margin:0;
  text-transform:lowercase;
}

.display{font-size:clamp(2.2rem,6.4vw,5.4rem)}
@media (min-width:420px){.display{font-size:clamp(2.6rem,6.4vw,5.4rem)}}
.titulo{font-size:clamp(2.1rem,4.6vw,3.9rem)}
.subtitulo{font-size:clamp(1.5rem,2.6vw,2.3rem);line-height:1.12}

/* etiqueta: Inter, caixa alta, entreletra larga — o rodape de cada pagina do manual */
.etiqueta{
  font-family:var(--sans);
  font-size:.6875rem;
  font-weight:500;
  letter-spacing:.22em;
  text-transform:uppercase;
  line-height:1.5;
  margin:0;
}

.texto{
  font-size:1.0625rem;
  line-height:1.72;
  max-width:34em;
  margin:0;
  color:color-mix(in srgb,currentColor 86%,transparent);
}

.medida{max-width:52ch}

/* ---------- estrutura ---------- */

section{position:relative;padding:var(--secao) var(--margem)}

.faixa-tinta{background:var(--tinta);color:var(--leite)}
.faixa-palha{background:var(--palha);color:var(--tinta)}
.faixa-ceu{background:var(--ceu);color:var(--tinta)}
.faixa-barro{background:var(--barro-fundo);color:var(--leite)}
.faixa-folha{background:var(--folha);color:var(--leite)}

.limite{max-width:1240px;margin:0 auto;width:100%}

.duas{display:grid;gap:clamp(40px,6vw,96px);grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
/* quando um dos lados e imagem ou tipografia grande, so quebra em duas com folga */
.duas-largo{grid-template-columns:repeat(auto-fit,minmax(360px,1fr))}

/* ---------- cabecalho ---------- */

.topo{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;padding:18px var(--margem);
  background:color-mix(in srgb,var(--leite) 86%,transparent);
  backdrop-filter:saturate(140%) blur(14px);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid color-mix(in srgb,var(--tinta) 8%,transparent);
  transform:translateY(-101%);
  transition:transform .5s cubic-bezier(.22,1,.36,1);
}
.topo.visivel{transform:translateY(0)}
.topo img{width:clamp(112px,17vw,140px);height:auto}
.topo nav{display:flex;gap:clamp(18px,2.4vw,34px)}
.topo a{
  font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--tinta);text-decoration:none;opacity:.62;
  transition:opacity .3s ease;
}
.topo a:hover,.topo a:focus-visible{opacity:1}

/* botao do menu: duas linhas que viram X — so em tela estreita */
.abrir-menu{
  display:none;align-items:center;gap:10px;
  background:none;border:0;padding:12px 2px;margin:-12px -2px;
  font:inherit;font-size:.6875rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--tinta);cursor:pointer;min-height:44px;
}
.abrir-menu i{display:block;width:22px;height:9px;position:relative}
.abrir-menu i::before,.abrir-menu i::after{
  content:"";position:absolute;left:0;right:0;height:1px;background:currentColor;
  transition:transform .4s cubic-bezier(.22,1,.36,1),opacity .3s ease;
}
.abrir-menu i::before{top:0}
.abrir-menu i::after{bottom:0}

/* painel do menu */
.painel{
  position:fixed;inset:0;z-index:60;
  background:var(--tinta);color:var(--leite);
  display:flex;flex-direction:column;justify-content:center;
  gap:clamp(14px,2.4vh,26px);padding:var(--margem);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .42s ease,transform .42s cubic-bezier(.22,1,.36,1),visibility .42s;
}
.painel.aberto{opacity:1;visibility:visible;transform:none}
.painel a{
  font-family:var(--serif);font-size:clamp(1.9rem,9vw,2.9rem);
  line-height:1.1;text-transform:lowercase;
  color:var(--leite);text-decoration:none;opacity:.9;padding:6px 0;
}
.painel a:active{opacity:.6}
.painel .etiqueta{color:var(--palha);margin-bottom:clamp(10px,2vh,20px)}
.painel .fechar{
  position:absolute;top:14px;right:var(--margem);
  background:none;border:0;color:var(--leite);cursor:pointer;
  font:inherit;font-size:.6875rem;letter-spacing:.2em;text-transform:uppercase;
  min-height:44px;min-width:44px;
}
body.travado{overflow:hidden}

@media (max-width:900px){
  .topo nav{display:none}
  .abrir-menu{display:inline-flex}
}
@media (min-width:901px){.painel{display:none}}

/* ---------- hero ---------- */

.hero{
  min-height:100svh;
  display:flex;flex-direction:column;justify-content:space-between;
  padding:clamp(28px,5vh,56px) var(--margem) clamp(36px,7vh,80px);
  color:var(--leite);
  overflow:hidden;
}
.hero-fundo{position:absolute;inset:0;z-index:-2;overflow:hidden}
.hero-fundo img{
  width:100%;height:100%;object-fit:cover;object-position:center 58%;
  transform:scale(1.06);
  animation:respiro 26s ease-in-out infinite alternate;
}
@keyframes respiro{from{transform:scale(1.06)}to{transform:scale(1.14)}}
/* em tela estreita o cavalo sobe: a marca cai sobre o campo, area calma */
@media (max-width:820px){.hero-fundo img{object-position:58% 34%}}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,
    color-mix(in srgb,var(--tinta) 32%,transparent) 0%,
    color-mix(in srgb,var(--tinta) 4%,transparent) 26%,
    color-mix(in srgb,var(--tinta) 34%,transparent) 58%,
    color-mix(in srgb,var(--tinta) 82%,transparent) 100%);
}
.hero .etiqueta{opacity:.85}
.hero-base{display:flex;flex-direction:column;gap:clamp(28px,5vh,52px)}
.hero-marca{width:clamp(200px,58vw,330px)}
.hero-frase{
  font-family:var(--serif);
  font-size:clamp(1.5rem,3vw,2.6rem);
  line-height:1.16;text-transform:lowercase;
  margin:clamp(18px,2.6vh,30px) 0 0;max-width:16em;
}
.hero-rodape{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap}

/* celular deitado: pouca altura, entao a capa encolhe em vez de espremer */
@media (max-height:560px) and (orientation:landscape){
  .hero{padding-top:20px;padding-bottom:24px}
  .hero-base{gap:14px}
  .hero-marca{width:clamp(170px,20vw,230px)}
  .hero-frase{font-size:clamp(1.05rem,2.1vw,1.4rem);margin-top:12px}
  .desce span::after{height:24px}
  .fecho{min-height:100svh;gap:18px}
  .fecho img.marca{width:clamp(200px,30vw,300px)}
}

/* tela grande: a marca ganha presenca na capa */
@media (min-width:1200px){.hero-marca{width:clamp(330px,25vw,400px)}}

.desce{
  display:inline-flex;align-items:center;gap:12px;
  color:inherit;text-decoration:none;opacity:.8;
  font-size:.6875rem;letter-spacing:.22em;text-transform:uppercase;
}
.desce span::after{
  content:"";display:block;width:1px;height:44px;margin:10px auto 0;
  background:currentColor;transform-origin:top;
  animation:puxa 2.8s cubic-bezier(.65,0,.35,1) infinite;
}
@keyframes puxa{0%{transform:scaleY(0)}45%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}

/* ---------- imagens de secao ---------- */

.figura{position:relative;overflow:hidden;background:color-mix(in srgb,var(--tinta) 6%,transparent)}
.figura img{width:100%;height:100%;object-fit:cover;aspect-ratio:3/2}

.chapada{padding:0;min-height:82svh;display:flex;align-items:flex-end;color:var(--leite);overflow:hidden}
.chapada .fundo{position:absolute;inset:0;z-index:-2}
.chapada .fundo img{width:100%;height:100%;object-fit:cover}
.chapada::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,
    color-mix(in srgb,var(--tinta) 52%,transparent) 0%,
    color-mix(in srgb,var(--tinta) 46%,transparent) 30%,
    color-mix(in srgb,var(--tinta) 86%,transparent) 100%);
}
.chapada .limite{padding:var(--secao) var(--margem)}

/* ---------- listas ---------- */

.linhas{list-style:none;margin:clamp(28px,4vw,52px) 0 0;padding:0}
.linhas li{
  display:grid;grid-template-columns:2.6rem 1fr;gap:clamp(14px,2vw,28px);
  padding:clamp(16px,1.8vw,22px) 0;
  border-top:1px solid color-mix(in srgb,currentColor 16%,transparent);
}
.linhas li:last-child{border-bottom:1px solid color-mix(in srgb,currentColor 16%,transparent)}
.linhas .num{
  font-size:.6875rem;letter-spacing:.14em;
  color:var(--barro-texto);padding-top:.42em;font-variant-numeric:tabular-nums;
}
.faixa-tinta .linhas .num,.chapada .linhas .num{color:var(--palha)}
.linhas h3{font-family:var(--sans);font-size:1rem;font-weight:600;letter-spacing:0;line-height:1.4;text-transform:none}
.linhas p{margin:.34em 0 0;font-size:.9375rem;line-height:1.6;opacity:.76;max-width:44ch}

.grade-2{display:grid;gap:0 clamp(40px,6vw,96px);grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.grade-2 .linhas{margin-top:0}

/* essencia: duas colunas de palavras */
.palavras{list-style:none;margin:clamp(22px,3vw,38px) 0 0;padding:0}
.palavras li{
  padding:clamp(11px,1.3vw,15px) 0;
  border-bottom:1px solid color-mix(in srgb,currentColor 20%,transparent);
  font-size:1.0625rem;
}

/* proposito: as quatro palavras com fio colorido */
.fios{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:clamp(20px,3vw,40px);margin-top:clamp(48px,7vw,90px)}
.fios div{padding-bottom:14px;border-bottom:2px solid var(--cor);font-size:1rem}
.fios div:nth-child(1){--cor:var(--leite)}
.fios div:nth-child(2){--cor:var(--ceu);color:var(--ceu)}
.fios div:nth-child(3){--cor:var(--palha);color:var(--palha)}
.fios div:nth-child(4){--cor:var(--barro);color:#C9765A}

/* ---------- arquitetura ---------- */

.arvore{margin-top:clamp(48px,7vw,88px);display:flex;flex-direction:column;align-items:center}
.raiz{
  background:var(--tinta);color:var(--leite);
  border-radius:14px;padding:clamp(22px,3vw,32px) clamp(34px,5vw,64px);
  text-align:center;
}
.raiz .etiqueta{font-size:.8125rem;letter-spacing:.26em}
.raiz p{margin:.6em 0 0;font-size:.875rem;opacity:.72}
.haste{width:1px;height:clamp(34px,5vw,58px);background:color-mix(in srgb,var(--tinta) 40%,transparent)}
.ramos{
  display:grid;gap:clamp(16px,2vw,26px);width:100%;
  grid-template-columns:1fr;
  position:relative;padding-top:clamp(34px,5vw,58px);
}
@media (min-width:900px){.ramos{grid-template-columns:repeat(3,1fr)}}
.ramos::before{
  content:"";position:absolute;top:0;left:12.5%;right:12.5%;height:1px;
  background:color-mix(in srgb,var(--tinta) 40%,transparent);
}
.ramos>*{position:relative}
.ramos>*::before{
  content:"";position:absolute;top:calc(-1 * clamp(34px,5vw,58px));left:50%;width:1px;
  height:clamp(34px,5vw,58px);background:color-mix(in srgb,var(--tinta) 40%,transparent);
}
/* em coluna unica os fios da arvore viram ruido — some com eles */
@media (max-width:899px){
  .ramos{padding-top:clamp(22px,4vw,34px)}
  .ramos::before,.ramos>*::before{display:none}
  .haste{height:clamp(22px,4vw,34px)}
}

.ramo{
  background:var(--leite);border-radius:14px;
  padding:clamp(24px,3vw,34px);
  display:flex;flex-direction:column;gap:14px;min-height:150px;
  text-decoration:none;color:var(--tinta);
  transition:transform .5s cubic-bezier(.22,1,.36,1),box-shadow .5s ease;
}
a.ramo:hover,a.ramo:focus-visible{transform:translateY(-4px);box-shadow:0 18px 40px -22px rgba(23,23,20,.5)}
.ramo h3{font-size:clamp(1.45rem,2.1vw,1.8rem);text-transform:none}
.ramo .etiqueta{color:var(--barro-texto);margin-top:auto;font-size:.625rem;letter-spacing:.18em}
.ramo p{margin:0;font-size:.9375rem;line-height:1.55;opacity:.74}

/* ---------- missao e visao ---------- */

.par{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:clamp(44px,6vw,90px)}
.par>div+div{
  border-left:1px solid color-mix(in srgb,var(--tinta) 22%,transparent);
  padding-left:clamp(44px,6vw,90px);
}
@media (max-width:760px){
  .par>div+div{border-left:0;padding-left:0;border-top:1px solid color-mix(in srgb,var(--tinta) 22%,transparent);padding-top:clamp(36px,7vw,60px)}
}
.par .etiqueta{color:var(--barro-texto);margin-bottom:clamp(18px,2.4vw,30px)}
.par .titulo{margin-bottom:clamp(20px,3vw,34px)}
.par footer{margin-top:clamp(34px,5vw,60px)}
.par footer .etiqueta{color:color-mix(in srgb,var(--tinta) 50%,transparent)}

/* ---------- manifesto ---------- */

.manifesto p{
  font-size:clamp(1rem,1.5vw,1.1875rem);
  line-height:1.72;max-width:62ch;margin:0 0 1.15em;
}
.manifesto p:last-of-type{margin-bottom:0}

/* ---------- posicionamento ---------- */

.assinatura-verbal{
  font-family:var(--serif);
  font-size:clamp(3rem,8vw,7rem);
  line-height:.98;text-transform:lowercase;margin:0;
}

/* ---------- fecho ---------- */

.fecho{
  min-height:96svh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;
  color:var(--leite);gap:clamp(28px,4vh,44px);overflow:hidden;
}
.fecho .fundo{position:absolute;inset:0;z-index:-2}
.fecho .fundo img{width:100%;height:100%;object-fit:cover}
.fecho::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,
    color-mix(in srgb,var(--tinta) 40%,transparent),
    color-mix(in srgb,var(--tinta) 72%,transparent));
}
.fecho img.marca{width:clamp(230px,64vw,420px)}
.fecho .etiqueta{opacity:.82}

.contato{
  font-family:var(--serif);font-size:clamp(1.25rem,2.4vw,1.9rem);
  color:var(--leite);text-decoration:none;
  border-bottom:1px solid color-mix(in srgb,var(--leite) 42%,transparent);
  padding-bottom:.12em;transition:border-color .35s ease;
}
.contato:hover,.contato:focus-visible{border-color:var(--leite)}

.rodape{
  padding:26px var(--margem);background:var(--tinta);color:var(--leite);
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.rodape .etiqueta{opacity:.5;font-size:.625rem}

/* ---------- movimento ---------- */

.revela{opacity:0;transform:translateY(16px);transition:opacity .9s cubic-bezier(.22,1,.36,1),transform .9s cubic-bezier(.22,1,.36,1)}
.revela.dentro{opacity:1;transform:none}
.revela.d1{transition-delay:.09s}
.revela.d2{transition-delay:.18s}
.revela.d3{transition-delay:.27s}

@media (prefers-reduced-motion:reduce){
  .revela{opacity:1;transform:none;transition:none}
  .hero-fundo img{animation:none;transform:scale(1.02)}
  .desce span::after{animation:none}
}

:focus-visible{outline:2px solid var(--barro);outline-offset:4px;border-radius:2px}
.faixa-tinta :focus-visible,.chapada :focus-visible,.fecho :focus-visible,.hero :focus-visible{outline-color:var(--palha)}