/* Atelier Norte Arquitetura — demo de portfólio Siteiro
   Branco, grafite e um azul técnico. Sem serifa: a hierarquia vem do tamanho
   e do espaço. Legenda e ficha em monoespaçada — a língua da prancha.
   Contrastes medidos antes de escrever (ver direcao-visual.md). */

@font-face{
  font-family:'Archivo';
  src:url('fontes/titulo.645a947c.woff2') format('woff2');
  font-weight:100 900;          /* eixo de peso preservado na instalacao */
  font-style:normal;
  font-display:swap;
}

:root{
  --papel:#FFFFFF;
  --gesso:#F1F1EE;
  --grafite:#17181A;
  --grafite-claro:#2A2C30;
  --lapis:#5F6166;
  --azul:#1B44C8;
  --azul-claro:#8FA8FF;
  --linha:#DEDEDA;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  --titulo:'Archivo',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,'SF Mono',Menlo,Consolas,'DejaVu Sans Mono',monospace;
  --coluna:1240px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}}
body{margin:0;background:var(--papel);color:var(--grafite);font-family:var(--sans);
  font-size:clamp(1rem,.97rem + .15vw,1.05rem);line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg,iframe{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--titulo);font-weight:600;line-height:1.06;margin:0;letter-spacing:-.032em;text-wrap:balance}
figure{margin:0}
blockquote{margin:0}
p{margin:0 0 1rem}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}

.pular{position:absolute;left:-9999px;top:0;background:var(--grafite);color:#fff;padding:.9rem 1.3rem;z-index:100}
.pular:focus{left:1rem;top:1rem}
:focus-visible{outline:2px solid var(--azul);outline-offset:3px}

.container{width:min(100% - 2.4rem,var(--coluna));margin-inline:auto}
.largo{width:min(100% - 1.6rem,1600px);margin-inline:auto}

/* --- rótulos monoespaçados ----------------------------------------------- */
.rot{font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.16em;
  text-transform:uppercase;color:var(--azul)}
.rot--lapis{color:var(--lapis)}
.secao--escura .rot{color:var(--azul-claro)}

/* --- botões -------------------------------------------------------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;min-height:52px;
  padding:.85rem 1.5rem;font-family:var(--mono);font-size:.82rem;font-weight:500;letter-spacing:.1em;
  text-transform:uppercase;text-decoration:none;border:1px solid var(--grafite);
  background:var(--grafite);color:#fff;transition:background .2s,color .2s,border-color .2s}
.btn:hover{background:var(--azul);border-color:var(--azul)}
.btn--linha{background:transparent;color:var(--grafite);border-color:var(--linha)}
.btn--linha:hover{background:transparent;color:var(--azul);border-color:var(--azul)}
.btn--claro{background:#fff;color:var(--grafite);border-color:#fff}
.btn--claro:hover{background:var(--azul-claro);border-color:var(--azul-claro);color:var(--grafite)}
.btn svg{width:1.05em;height:1.05em;flex:none}

/* --- topo ---------------------------------------------------------------- */
.topo{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.93);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--linha)}
.topo__inner{display:flex;align-items:center;gap:2rem;min-height:76px}
.marca{display:flex;align-items:baseline;gap:.6rem;text-decoration:none}
.marca b{font-family:var(--titulo);font-size:1.14rem;font-weight:700;letter-spacing:-.025em}
.marca span{font-family:var(--mono);font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--lapis)}
.menu{display:flex;align-items:center;gap:2rem;margin-left:auto}
.menu a:not(.btn){font-family:var(--mono);font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;
  text-decoration:none;color:var(--grafite);padding:.3rem 0;border-bottom:1px solid transparent;transition:border-color .2s,color .2s}
.menu a:not(.btn):hover,.menu a.ativo:not(.btn){border-bottom-color:var(--azul);color:var(--azul)}
.menu .btn{min-height:44px;padding:.55rem 1.1rem;font-size:.72rem;color:#fff}
.abre{display:none;width:44px;height:44px;margin-left:auto;align-items:center;justify-content:center;
  background:none;border:1px solid var(--linha);cursor:pointer}
.abre span{display:block;width:18px;height:1.5px;background:var(--grafite);position:relative;transition:background .2s}
.abre span::before,.abre span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;
  background:var(--grafite);transition:transform .25s}
.abre span::before{top:-5px}.abre span::after{top:5px}
.menu-aberto .abre span{background:transparent}
.menu-aberto .abre span::before{transform:translateY(5px) rotate(45deg)}
.menu-aberto .abre span::after{transform:translateY(-5px) rotate(-45deg)}
@media (max-width:960px){
  .abre{display:flex}
  .menu{position:fixed;inset:76px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;margin:0;
    padding:0 1.2rem 1.6rem;background:var(--papel);border-bottom:1px solid var(--linha);
    max-height:0;overflow:hidden;opacity:0;visibility:hidden;transition:max-height .3s,opacity .25s}
  .menu-aberto .menu{max-height:calc(100dvh - 76px);opacity:1;visibility:visible;overflow-y:auto}
  .menu a:not(.btn){padding:1rem .2rem;border-bottom:1px solid var(--linha);font-size:.85rem}
  .menu .btn{margin-top:1.1rem}
}

/* --- abertura ------------------------------------------------------------ */
.abertura{padding:clamp(3rem,6vw,5.5rem) 0 clamp(2rem,3vw,3rem)}
.abertura__grade{display:grid;gap:clamp(2rem,4.5vw,4.5rem);
  grid-template-columns:minmax(0,1fr) minmax(0,.8fr);align-items:center}
@media (max-width:900px){.abertura__grade{grid-template-columns:1fr}}
.abertura h1{font-size:clamp(2.4rem,1.2rem + 4.6vw,4.6rem);font-weight:700;margin:1.2rem 0 1.4rem;max-width:11em}
.linha-fina{color:var(--lapis);max-width:33em;font-size:clamp(1rem,.96rem + .25vw,1.12rem)}
.secao--escura .linha-fina{color:rgba(255,255,255,.74)}
.abertura__acoes{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}
.abertura__numeros{display:flex;flex-wrap:wrap;gap:1.1rem 2.6rem;margin:2.3rem 0 0;padding-top:1.6rem;
  border-top:1px solid var(--linha)}
.abertura__numeros dt{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--lapis)}
.abertura__numeros dd{margin:.2rem 0 0;font-family:var(--titulo);font-size:1.55rem;font-weight:600;
  letter-spacing:-.02em;line-height:1}

/* foto de abertura com o desenho num cartao sobreposto */
.abertura__foto{position:relative}
.abertura__foto>img{width:100%;aspect-ratio:4/5;object-fit:cover}
.cartao{position:absolute;left:clamp(-2.8rem,-3vw,-1.2rem);bottom:-1.9rem;width:min(80%,320px);margin:0;
  padding:.9rem .95rem .8rem;background:var(--papel);border:1px solid var(--linha);
  box-shadow:0 26px 52px -30px rgba(23,24,26,.6)}
.cartao .desenho{max-height:190px}
.cartao .legenda{margin-top:.5rem}
@media (max-width:900px){
  .cartao{position:static;width:auto;margin-top:1rem;box-shadow:none;background:var(--gesso)}
}
.faixa-foto{margin-top:clamp(3.5rem,6vw,5rem)}
.faixa-foto img{width:100%;aspect-ratio:16/9;object-fit:cover}
.faixa-foto figcaption{display:flex;flex-wrap:wrap;gap:.4rem 1.6rem;margin-top:.8rem;
  font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--lapis)}
.faixa-foto figcaption b{color:var(--grafite);font-weight:500}

/* --- desenho técnico ----------------------------------------------------- */
.desenho{width:100%;height:auto;color:var(--grafite);overflow:visible}
.desenho line,.desenho path,.desenho rect,.desenho circle{fill:none;stroke:currentColor;
  stroke-width:1.4;stroke-linejoin:round;stroke-linecap:round;vector-effect:non-scaling-stroke}
.desenho .fino{stroke-width:1}
.desenho .leve{stroke:var(--linha);stroke-width:1}
.desenho .parede{stroke-width:2.6}
.desenho .destaque{stroke:var(--azul);stroke-width:1.8}
.desenho .vidro{stroke:var(--azul);stroke-width:1;opacity:.85}
.desenho .cota{stroke:var(--lapis);stroke-width:.8;stroke-dasharray:none}
.desenho .terra{stroke-width:1.8}
.desenho .lote{stroke:var(--lapis);stroke-width:1;stroke-dasharray:7 5}
.desenho text{fill:var(--lapis);stroke:none;font-family:var(--mono);font-size:11px;letter-spacing:.08em}
.desenho .amb{fill:var(--lapis);font-size:10px;letter-spacing:.14em}
.desenho .poche{fill:currentColor;stroke:currentColor;stroke-width:.8}
.desenho .massa{fill:var(--linha);stroke:none;opacity:.5}
.desenho .sombra{fill:var(--lapis);stroke:none;opacity:.13}
.desenho .figura{stroke:var(--lapis);stroke-width:1.3}
.desenho .vidro-cheio{fill:var(--azul);stroke:none;opacity:.09}
.desenho .corte-marca{stroke:var(--grafite);stroke-width:1;stroke-dasharray:14 4 3 4}

/* --- projetos ------------------------------------------------------------ */
.projetos{border-top:1px solid var(--grafite)}
.projeto{display:grid;grid-template-columns:5.5rem minmax(0,1fr) minmax(0,1.15fr);gap:clamp(1.5rem,3vw,3rem);
  padding:clamp(2.2rem,4vw,3.6rem) 0;border-bottom:1px solid var(--linha);align-items:start}
@media (max-width:960px){.projeto{grid-template-columns:1fr;gap:1.5rem}}
.projeto__n{font-family:var(--mono);font-size:.86rem;letter-spacing:.1em;color:var(--azul);padding-top:.4rem}
.projeto h3{font-size:clamp(1.4rem,1.1rem + 1.2vw,2rem);margin-bottom:.9rem}
.projeto__texto p{color:var(--lapis);max-width:34em}
.ficha{margin-top:1.6rem;border-top:1px solid var(--linha)}
.ficha div{display:flex;justify-content:space-between;gap:1.5rem;padding:.6rem 0;border-bottom:1px solid var(--linha);
  font-family:var(--mono);font-size:.76rem;letter-spacing:.06em;text-transform:uppercase}
.ficha dt{color:var(--lapis)}
.ficha dd{margin:0;color:var(--grafite);text-align:right}
.projeto__visual{display:grid;gap:1rem}
.projeto__visual .foto{margin:0;overflow:hidden;background:var(--gesso)}
.projeto__visual img{width:100%;height:auto;object-fit:cover;
  transition:transform .7s cubic-bezier(.2,.7,.3,1)}
.projeto:hover .foto img{transform:scale(1.03)}
.moldura{border:1px solid var(--linha);padding:clamp(1rem,2vw,1.8rem);background:var(--gesso)}
.moldura .desenho{max-height:340px}
.legenda{margin-top:.7rem;font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--lapis)}

/* --- fases --------------------------------------------------------------- */
.secao{padding:clamp(3rem,5.5vw,5rem) 0}
.secao--gesso{background:var(--gesso)}
.secao--escura{background:var(--grafite);color:#fff}
.secao--escura h2,.secao--escura h3{color:#fff}
.cab{margin-bottom:clamp(2rem,3.5vw,3rem);max-width:44em}
.cab h2{font-size:clamp(1.8rem,1.3rem + 2vw,2.9rem);margin:1rem 0 .9rem}
.atelie h2,.contato h2{font-size:clamp(1.8rem,1.3rem + 2vw,2.9rem);margin:1rem 0 1.1rem}
.cab p{color:var(--lapis);max-width:38em}
.secao--escura .cab p{color:rgba(255,255,255,.7)}

.fases{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr))}
.fase img{width:100%;aspect-ratio:4/3;object-fit:cover;margin-bottom:1.1rem}
.fase b{display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--azul);margin-bottom:.5rem}
.fase h3{font-size:1.1rem;margin-bottom:.5rem}
.fase p{font-size:.95rem;color:var(--lapis)}
.fase__prazo{margin-top:.8rem;font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--grafite);border-top:1px solid var(--linha);padding-top:.6rem}

/* --- ateliê -------------------------------------------------------------- */
.atelie{display:grid;gap:clamp(2rem,4vw,3.5rem);grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}
@media (max-width:900px){.atelie{grid-template-columns:1fr}}
.atelie p{color:rgba(255,255,255,.74);max-width:34em}
.listas{display:grid;gap:2rem;grid-template-columns:1fr 1fr}
@media (max-width:560px){.listas{grid-template-columns:1fr}}
.listas h4{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--azul-claro);margin:0 0 .9rem;font-weight:500}
.listas li{padding:.5rem 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:.95rem;color:rgba(255,255,255,.8)}
.numeros{display:grid;gap:1.4rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,8rem),1fr));
  margin-top:2.2rem;padding-top:1.8rem;border-top:1px solid rgba(255,255,255,.16)}
.numeros b{display:block;font-family:var(--titulo);font-size:1.9rem;font-weight:600;letter-spacing:-.03em;line-height:1}
.numeros span{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;
  color:rgba(255,255,255,.6)}

/* --- mosaico de interiores ----------------------------------------------- */
.mosaico{display:grid;gap:.9rem;grid-template-columns:repeat(6,1fr);
  grid-auto-rows:clamp(115px,10.2vw,178px)}
.celula{position:relative;margin:0;overflow:hidden;background:var(--grafite);
  grid-column:span 2;grid-row:span 2}
.celula:first-child{grid-column:span 4}
.celula img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.3,1)}
.celula:hover img{transform:scale(1.04)}
.celula figcaption{position:absolute;inset:auto 0 0 0;display:grid;gap:.12rem;padding:3rem 1rem 1rem;
  color:#fff;background:linear-gradient(to top,rgba(10,11,12,.94),rgba(10,11,12,.72) 42%,rgba(10,11,12,.12) 82%,transparent)}
.celula b{font-family:var(--titulo);font-size:1.02rem;font-weight:600;letter-spacing:-.02em}
.celula span{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--azul-claro)}
.celula em{margin-top:.35rem;font-style:normal;font-size:.86rem;line-height:1.45;color:rgba(255,255,255,.82)}
.mosaico__nota{margin-top:1.4rem;font-size:.9rem;color:var(--lapis)}
.mosaico__nota a{color:var(--grafite);border-bottom:1px solid var(--linha)}
.mosaico__nota a:hover{color:var(--azul);border-bottom-color:var(--azul)}
@media (max-width:820px){
  .mosaico{grid-template-columns:repeat(2,1fr);grid-auto-rows:clamp(132px,22vw,172px)}
  .celula{grid-column:span 1}
  .celula:first-child{grid-column:span 2}
  /* na celula pequena a descricao nao cabe sem invadir a foto: fica o ambiente */
  .celula:not(:first-child) em{display:none}
  .celula figcaption{padding:2.2rem .8rem .8rem}
  .celula b{font-size:.94rem}
}

/* --- faixa de citacao ----------------------------------------------------- */
.citacao{position:relative;isolation:isolate;display:grid;align-items:end;overflow:hidden;
  min-height:clamp(330px,44vw,510px);background:var(--grafite)}
.citacao>img{position:absolute;inset:0;z-index:-2;width:100%;height:100%;object-fit:cover}
.citacao::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(102deg,rgba(11,12,14,.88) 0%,rgba(11,12,14,.68) 44%,rgba(11,12,14,.12) 100%)}
.citacao__texto{padding:clamp(2.4rem,5vw,4.2rem) 0;color:#fff}
.citacao .rot{color:var(--azul-claro)}
.citacao blockquote{margin:1rem 0 1.2rem;font-family:var(--titulo);font-weight:600;
  font-size:clamp(1.55rem,1.1rem + 2.2vw,3rem);line-height:1.08;letter-spacing:-.032em;
  max-width:15em;text-wrap:balance}
.citacao p:last-child{color:rgba(255,255,255,.8);max-width:38em}

/* --- fotos do atelie ------------------------------------------------------ */
.atelie__fotos{display:grid;gap:1.4rem;grid-template-columns:1fr 1fr;
  margin-top:clamp(2.4rem,4vw,3.4rem);padding-top:clamp(1.9rem,3vw,2.6rem);
  border-top:1px solid rgba(255,255,255,.16)}
@media (max-width:700px){.atelie__fotos{grid-template-columns:1fr}}
.atelie__fotos figure{margin:0}
.atelie__fotos img{width:100%;aspect-ratio:3/2;object-fit:cover}
.atelie__fotos figcaption{margin-top:.7rem;font-size:.88rem;color:rgba(255,255,255,.68)}

/* --- perguntas ----------------------------------------------------------- */
.faq{max-width:48em;border-top:1px solid var(--grafite)}
.faq details{border-bottom:1px solid var(--linha)}
.faq summary{display:flex;justify-content:space-between;gap:1.5rem;align-items:baseline;padding:1.3rem 0;
  font-size:1.08rem;font-weight:600;letter-spacing:-.01em;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-size:1.1rem;color:var(--azul);line-height:1}
.faq details[open] summary::after{content:"\2212"}
.faq__r{padding:0 0 1.4rem;color:var(--lapis);max-width:36em}

/* --- contato ------------------------------------------------------------- */
.contato{display:grid;gap:clamp(2rem,4vw,3.5rem);grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}
@media (max-width:900px){.contato{grid-template-columns:1fr}}
.dados{display:grid;gap:1.4rem;margin-top:1.5rem}
.dado b{display:block;font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--lapis);margin-bottom:.2rem}
.dado a{color:var(--grafite);text-decoration:none;border-bottom:1px solid var(--linha)}
.dado a:hover{border-bottom-color:var(--azul);color:var(--azul)}

.form{border:1px solid var(--linha);padding:clamp(1.5rem,3vw,2.2rem)}
.campo{margin-bottom:1.1rem}
.campo label{display:block;font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--lapis);margin-bottom:.4rem}
.campo input,.campo textarea,.campo select{width:100%;padding:.75rem .9rem;font:inherit;font-size:.98rem;
  color:var(--grafite);background:var(--papel);border:1px solid var(--linha);border-radius:0}
.campo textarea{min-height:110px;resize:vertical}
.campo input:focus,.campo textarea:focus,.campo select:focus{outline:2px solid var(--azul);outline-offset:1px}
.campo__erro{display:block;margin-top:.3rem;font-size:.85rem;color:#B3261E}
.campo--erro input,.campo--erro textarea{border-color:#B3261E}
.form .btn{width:100%;margin-top:.3rem}
.form input[name="_gotcha"]{position:absolute;left:-9999px;opacity:0}
.form__nota{margin-top:.9rem;font-size:.85rem;color:var(--lapis)}
.form__estado{margin-top:.9rem;font-size:.93rem}
.form__estado:empty{margin:0}
.form__estado.ok{padding:.8rem 1rem;border-left:2px solid var(--azul);background:var(--gesso)}
.form__estado.falhou{padding:.8rem 1rem;border-left:2px solid #B3261E;background:#FBEFEE;color:#7A1C15}

/* --- rodapé -------------------------------------------------------------- */
.rodape{background:var(--grafite);color:rgba(255,255,255,.7);padding:clamp(2.8rem,5vw,4rem) 0 2rem;font-size:.93rem}
.rodape__grade{display:grid;gap:2.4rem;grid-template-columns:1.5fr 1fr 1fr;padding-bottom:2.4rem;
  border-bottom:1px solid rgba(255,255,255,.14)}
@media (max-width:820px){.rodape__grade{grid-template-columns:1fr}}
.rodape .marca b{color:#fff}
.rodape .marca span{color:var(--azul-claro)}
.rodape h4{color:#fff;font-family:var(--mono);font-size:.7rem;font-weight:500;letter-spacing:.16em;
  text-transform:uppercase;margin:0 0 1rem}
.rodape a{color:rgba(255,255,255,.78);text-decoration:none}
.rodape a:hover{color:#fff;text-decoration:underline}
.rodape__links{display:grid;gap:.55rem}
.rodape__base{display:flex;flex-wrap:wrap;gap:.8rem 2rem;justify-content:space-between;padding-top:1.7rem;
  font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:rgba(255,255,255,.5)}
.demo{margin-top:1.5rem;padding:1rem 1.2rem;border:1px solid rgba(255,255,255,.18);font-size:.85rem;
  color:rgba(255,255,255,.68);line-height:1.6}
.demo b{color:#fff}
.demo a{text-decoration:underline}

/* --- whatsapp flutuante --------------------------------------------------
   Terceira variacao da familia: circulo no verde do WhatsApp com o logo, que
   abre numa pilula verde-escura ao passar o mouse ou receber foco. O verde
   claro fica so no icone; o texto vai no escuro, que tem contraste de 5,3:1.
   O balao aparece uma vez por visita e some quando fechado. */
.zap-caixa{position:fixed;right:1.3rem;bottom:1.3rem;z-index:70;display:grid;justify-items:end;gap:.7rem;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s,transform .3s,visibility .3s}
.zap-caixa.aparece{opacity:1;visibility:visible;transform:none}

.zap{display:inline-flex;align-items:center;padding:5px;border-radius:999px;text-decoration:none;
  background:transparent;transition:background .3s,box-shadow .3s}
.zap__logo{position:relative;display:grid;place-items:center;flex:none;width:50px;height:50px;
  border-radius:50%;background:#25D366;color:#fff;box-shadow:0 12px 26px -10px rgba(37,211,102,.8)}
.zap__logo svg{width:27px;height:27px}
.zap__logo::before{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid #25D366;
  animation:zap-pulso 2.6s ease-out infinite}
.zap__texto{max-width:0;overflow:hidden;white-space:nowrap;opacity:0;color:#fff;
  font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;
  transition:max-width .38s cubic-bezier(.2,.7,.3,1),opacity .25s,padding .38s}
.zap:hover,.zap:focus-visible{background:#0B6B3F;box-shadow:0 18px 36px -20px rgba(11,107,63,.85)}
.zap:hover .zap__texto,.zap:focus-visible .zap__texto{max-width:14rem;opacity:1;padding:0 .55rem 0 .9rem}
.zap:hover .zap__logo::before,.zap:focus-visible .zap__logo::before{animation:none;opacity:0}
@keyframes zap-pulso{0%{transform:scale(1);opacity:.7}70%{transform:scale(1.6);opacity:0}100%{opacity:0}}

.zap-balao{position:relative;max-width:15.5rem;padding:.85rem 2.1rem .9rem 1rem;background:var(--papel);
  border:1px solid var(--linha);box-shadow:0 24px 46px -26px rgba(23,24,26,.55);
  animation:zap-balao .35s cubic-bezier(.2,.7,.3,1) both}
.zap-balao::after{content:"";position:absolute;right:24px;bottom:-7px;width:12px;height:12px;
  background:var(--papel);border-right:1px solid var(--linha);border-bottom:1px solid var(--linha);
  transform:rotate(45deg)}
.zap-balao b{display:block;margin-bottom:.25rem;font-family:var(--mono);font-size:.64rem;
  letter-spacing:.16em;text-transform:uppercase;color:#0B6B3F}
.zap-balao p{margin:0;font-size:.86rem;line-height:1.5;color:var(--grafite)}
.zap-balao__x{position:absolute;top:2px;right:2px;display:grid;place-items:center;width:34px;height:34px;
  background:none;border:0;font-size:1.2rem;line-height:1;color:var(--lapis);cursor:pointer}
.zap-balao__x:hover{color:var(--grafite)}
@keyframes zap-balao{from{opacity:0;transform:translateY(8px) scale(.96)}to{opacity:1;transform:none}}
@media (max-width:520px){
  .zap-caixa{right:1rem;bottom:1rem}
  .zap-balao{max-width:min(74vw,15rem)}
}

/* --- páginas internas ---------------------------------------------------- */
.interna{padding:clamp(2.5rem,5vw,4.5rem) 0}
.interna h1{font-size:clamp(1.9rem,1.4rem + 2vw,2.8rem);margin-bottom:1.2rem}
.interna h2{font-size:1.25rem;margin:2.2rem 0 .7rem}
.interna p,.interna li{color:var(--lapis);max-width:38em}
.interna ul{list-style:disc;padding-left:1.2rem;margin-bottom:1rem}
.interna li{margin-bottom:.4rem}
.interna a{color:var(--grafite)}
.erro-num{font-family:var(--mono);font-size:clamp(3rem,8vw,5rem);color:var(--linha);margin-bottom:1rem;letter-spacing:.05em}

.revelar{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.revelar.visivel{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.revelar{opacity:1;transform:none}}

/* --- alvos de toque no celular ------------------------------------------- */
@media (max-width:820px){
  .rodape__links a,.dado a{display:inline-flex;align-items:center;min-height:44px}
  .rodape__links{gap:.15rem}
  .faq summary{padding:1.15rem 0;min-height:48px;align-items:center}
}