/* Fluency House · portal
   Layout: the arch is the house. Photos sit inside arch frames, sections open like rooms,
   one terracota band carries the promise. Single warm look (brand), no dark theme. */
:root{
  --papel:#F7EFDF;      /* page ground, lighter than creme */
  --creme:#F2E5C6;
  --areia:#E8D9C1;
  --terracota:#844B32;
  --marrom:#5C3422;
  --cafe:#563624;
  --tinta:#1E0C06;
  --linha:rgba(92,52,34,.18);
  --sans:"Montserrat",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --wrap:1180px;
  --g:max(20px,env(safe-area-inset-left,0px));
  --gr:max(20px,env(safe-area-inset-right,0px));
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--papel);color:var(--tinta);font-family:var(--sans);font-size:17px;line-height:1.65;font-weight:400}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--terracota);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:var(--g);padding-right:var(--gr)}
h1,h2,h3{margin:0;font-weight:300;letter-spacing:-.03em;line-height:1.06;text-wrap:balance;color:var(--marrom)}
h1 b,h2 b{font-weight:800}
p{margin:0}
.rotulo{font-size:12px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--terracota)}
.lead{font-size:clamp(17px,1.6vw,20px);line-height:1.6;color:var(--cafe);max-width:58ch}

/* lockup */
.lockup{display:inline-flex;align-items:center;gap:.55em;text-decoration:none;color:var(--marrom);font-size:22px;line-height:1}
.lockup svg{height:1.5em;width:calc(1.5em * 1.0889);flex:none}
.lockup .nome{display:flex;flex-direction:column;gap:.22em}
.lockup .fh{font-weight:600;letter-spacing:-.025em;white-space:nowrap}
.lockup .by{font-size:.3em;font-weight:500;letter-spacing:.45em}

/* header */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--papel)}
.topo{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(247,239,223,.92);backdrop-filter:saturate(1.2) blur(10px);-webkit-backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid transparent;transition:border-color .3s}
.topo.solto{border-bottom-color:var(--linha)}
.topo .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:16px}
.menu{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:500}
.menu a{text-decoration:none;color:var(--cafe)}
.menu a:hover{color:var(--terracota)}
.idiomas{display:flex;gap:2px;font-size:12px;font-weight:600;letter-spacing:.08em}
.idiomas a{text-decoration:none;padding:6px 8px;border-radius:999px;color:var(--cafe)}
.idiomas a[aria-current]{background:var(--marrom);color:var(--creme)}
.botao{display:inline-flex;align-items:center;gap:.6em;padding:15px 26px;border-radius:999px;background:var(--terracota);color:var(--creme);font-weight:600;font-size:15px;text-decoration:none;letter-spacing:.01em;transition:background .2s,transform .2s;border:0;cursor:pointer;font-family:inherit}
.botao:hover{background:var(--marrom);transform:translateY(-1px)}
.botao.claro{background:var(--creme);color:var(--marrom)}
.botao.claro:hover{background:#fff}
.botao.linha{background:transparent;color:var(--marrom);box-shadow:inset 0 0 0 1.5px var(--marrom)}
.botao.linha:hover{background:var(--marrom);color:var(--creme)}
.botao svg{width:18px;height:18px}
.topo .botao{padding:11px 20px;font-size:14px}

/* hero */
.hero{padding-block:clamp(40px,7vw,96px) clamp(56px,8vw,110px)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,6vw,88px);align-items:center}
.hero h1{font-size:clamp(42px,6.2vw,84px);margin-block:22px 26px}
.hero .acoes{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero .idi{margin-top:28px;font-size:13px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--cafe)}
.arco{position:relative;max-width:100%;aspect-ratio:4/5}
.arco img{width:100%;height:100%;object-fit:cover;border-radius:999px 999px 6px 6px}
.arco::before,.arco::after{content:"";position:absolute;inset:-18px;border:1.5px solid var(--terracota);border-bottom:0;border-radius:999px 999px 0 0;opacity:.55;pointer-events:none}
.arco::after{inset:-36px;opacity:.25}
.arco figcaption{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);background:var(--papel);color:var(--marrom);font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;padding:9px 16px;border-radius:999px;white-space:nowrap}

/* numbers */
.numeros{border-block:1px solid var(--linha)}
.numeros ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr)}
.numeros li{padding:34px 24px;border-left:1px solid var(--linha);display:flex;flex-direction:column;gap:6px}
.numeros li:first-child{border-left:0;padding-left:0}
.numeros strong{font-size:clamp(34px,4vw,52px);font-weight:300;letter-spacing:-.04em;line-height:1;color:var(--terracota);font-variant-numeric:tabular-nums}
.numeros span{font-size:14px;color:var(--cafe);line-height:1.45}

/* sections */
.secao{padding-block:clamp(72px,10vw,140px)}
.secao .cab{display:grid;gap:18px;max-width:760px;margin-bottom:clamp(40px,5vw,64px)}
.secao h2{font-size:clamp(34px,4.4vw,58px)}
.areia{background:var(--areia)}

/* method */
.passos{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:p}
.passos li{counter-increment:p;display:flex;flex-direction:column;gap:12px;padding-top:26px;border-top:1.5px solid var(--marrom)}
.passos li::before{content:"0" counter(p);font-size:13px;font-weight:700;letter-spacing:.2em;color:var(--terracota)}
.passos h3{font-size:22px;font-weight:600;letter-spacing:-.02em}
.passos p{font-size:15.5px;color:var(--cafe)}

/* audiences */
.publicos{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.publico{background:var(--papel);border-radius:22px;padding:30px 28px 32px;display:flex;flex-direction:column;gap:12px;min-width:0}
.publico .lingua{font-size:11px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--terracota)}
.publico h3{font-size:24px;font-weight:600;letter-spacing:-.025em;line-height:1.2}
.publico p{font-size:15.5px;color:var(--cafe)}
.publico .frase{margin-top:auto;padding-top:14px;border-top:1px solid var(--linha);font-size:14px;font-style:italic;color:var(--marrom)}

/* teachers */
.prof .wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(36px,6vw,96px);align-items:center}
.prof .arco{aspect-ratio:3/4}
.selos{display:flex;flex-wrap:wrap;gap:10px;margin-block:30px}
.selos li{list-style:none;padding:10px 18px;border-radius:999px;box-shadow:inset 0 0 0 1.5px var(--marrom);font-size:14px;font-weight:600;color:var(--marrom)}
.selos{padding:0}
.paises{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--linha)}
.paises div{padding:20px 18px 0 0;display:flex;flex-direction:column;gap:4px}
.paises b{font-size:18px;font-weight:600;color:var(--marrom)}
.paises span{font-size:14px;color:var(--cafe)}

/* languages band */
.banda{background:var(--terracota);color:var(--creme)}
.banda h2,.banda h3{color:var(--creme)}
.banda .rotulo{color:var(--areia)}
.banda .lead{color:var(--areia)}
.linguas{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid rgba(242,229,198,.3)}
.linguas article{padding:34px 28px 8px 0;display:flex;flex-direction:column;gap:12px;min-width:0}
.linguas article+article{padding-left:28px;border-left:1px solid rgba(242,229,198,.3)}
.linguas .nome{font-size:clamp(36px,4vw,54px);font-weight:300;letter-spacing:-.04em;line-height:1}
.linguas p{font-size:15.5px;color:var(--areia)}
.linguas .tag{align-self:flex-start;font-size:11px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;background:var(--creme);color:var(--marrom);padding:6px 12px;border-radius:999px}

/* two houses */
.casas{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.casa{border-radius:28px;padding:clamp(30px,4vw,52px);display:flex;flex-direction:column;gap:14px;min-width:0;position:relative;overflow:hidden}
.casa.br{background:var(--areia)}
.casa.us{background:var(--cafe);color:var(--creme)}
.casa.us h3{color:var(--creme)}
.casa.us p,.casa.us li{color:var(--areia)}
.casa h3{font-size:clamp(30px,3.4vw,44px);font-weight:300}
.casa h3 b{font-weight:800}
.casa p{color:var(--cafe);max-width:46ch}
.casa ul{margin:6px 0 0;padding:0;list-style:none;display:grid;gap:8px;font-size:15.5px}
.casa li{padding-left:22px;position:relative;color:var(--cafe)}
.casa li::before{content:"";position:absolute;left:0;top:.62em;width:10px;height:6px;border:1.5px solid currentColor;border-bottom:0;border-radius:10px 10px 0 0}
.casa .marca{position:absolute;right:-30px;bottom:-40px;width:220px;opacity:.12;pointer-events:none}
.casa.br .marca{color:var(--terracota)}
.casa.us .marca{color:var(--creme)}

/* faq */
.faq .wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:clamp(32px,6vw,96px)}
.faq .cab{position:sticky;top:120px;align-self:start}
.perguntas{border-top:1px solid var(--linha)}
.perguntas details{border-bottom:1px solid var(--linha)}
.perguntas summary{list-style:none;cursor:pointer;padding:24px 44px 24px 0;font-size:18px;font-weight:600;color:var(--marrom);letter-spacing:-.01em;position:relative}
.perguntas summary::-webkit-details-marker{display:none}
.perguntas summary::after{content:"";position:absolute;right:6px;top:50%;width:12px;height:12px;border-right:1.5px solid var(--terracota);border-bottom:1.5px solid var(--terracota);transform:translateY(-70%) rotate(45deg);transition:transform .25s}
.perguntas details[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.perguntas details p{padding:0 0 26px;color:var(--cafe);max-width:62ch}

/* final call */
.chamada{background:var(--tinta);color:var(--creme);text-align:center}
.chamada .wrap{display:flex;flex-direction:column;align-items:center;gap:24px;padding-block:clamp(80px,11vw,150px)}
.chamada svg.simbolo{width:72px;height:auto;color:var(--terracota)}
.chamada h2{color:var(--creme);font-size:clamp(36px,5.4vw,72px);max-width:16ch}
.chamada p{color:var(--areia);max-width:52ch}
.chamada .acoes{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:10px}
.chamada .botao.linha{color:var(--creme);box-shadow:inset 0 0 0 1.5px var(--creme)}
.chamada .botao.linha:hover{background:var(--creme);color:var(--tinta)}

/* footer */
.rodape{background:var(--tinta);color:var(--areia);font-size:14px;border-top:1px solid rgba(242,229,198,.14)}
.rodape .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-block:56px 40px}
.rodape .lockup{color:var(--creme)}
.rodape h4{margin:0 0 12px;font-size:11px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--creme)}
.rodape ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.rodape a{text-decoration:none}
.rodape a:hover{color:var(--creme)}
.rodape .fim{grid-column:1/-1;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:28px;border-top:1px solid rgba(242,229,198,.14);font-size:13px;color:rgba(232,217,193,.7)}

/* responsive */
@media (max-width:980px){
  .menu .item{display:none}
  .hero .wrap,.prof .wrap,.faq .wrap{grid-template-columns:1fr}
  .hero .arco{max-width:420px;margin:24px auto 0;width:100%}
  .prof .arco{max-width:380px;width:100%;margin:0 auto 12px}
  .faq .cab{position:static}
  .passos{grid-template-columns:1fr 1fr;row-gap:36px}
  .publicos{grid-template-columns:1fr 1fr}
  .numeros ul{grid-template-columns:1fr 1fr}
  .numeros li:nth-child(3){border-left:0;padding-left:0}
  .numeros li:nth-child(n+3){border-top:1px solid var(--linha)}
  .rodape .wrap{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  body{font-size:16px}
  .topo .botao{display:none}
  .lockup{font-size:19px}
  .passos,.publicos,.casas,.linguas,.paises{grid-template-columns:1fr}
  .linguas article+article{padding-left:0;border-left:0;border-top:1px solid rgba(242,229,198,.3)}
  .linguas article{padding-right:0}
  .numeros li{padding:24px 14px}
  .numeros li:nth-child(odd){padding-left:0}
  .arco::after{display:none}
  .arco::before{inset:-12px}
  .rodape .wrap{grid-template-columns:1fr}
}
.rodape li b{color:var(--creme);font-weight:600}
.rodape .fim .legal{flex-basis:100%;order:3;color:rgba(232,217,193,.55);font-size:12px}