/* Art Praia — site institucional
   Paleta derivada do site original (#0099cc, #84c1ff, #81a2c2) */

:root{
  --mar-fundo:#06364f;
  --mar:#0b6a99;
  --mar-claro:#0099cc;
  --ceu:#84c1ff;
  --areia:#f5efe3;
  --areia-2:#ede3d1;
  --tinta:#1b2c38;
  --tinta-suave:#5a7182;
  --linha:#e2ebf2;
  --branco:#fff;
  --raio:16px;
  --sombra:0 2px 4px rgba(11,79,116,.04), 0 12px 32px rgba(11,79,116,.08);
  --largura:1140px;
  --fonte:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",
          Roboto,Helvetica,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;font-family:var(--fonte);color:var(--tinta);background:var(--branco);
  line-height:1.65;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--mar);text-decoration:none}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3{margin:0;line-height:1.15;letter-spacing:-.022em;font-weight:700}

.pular{
  position:absolute;left:-9999px;top:0;background:var(--branco);
  color:var(--mar-fundo);padding:12px 20px;z-index:200;border-radius:0 0 10px 0;
}
.pular:focus{left:0}

.interno{max-width:var(--largura);margin:0 auto;padding:0 24px}
.estreito{max-width:760px}

/* ---------------------------------------------------------- cabecalho --- */
header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;transition:border-color .25s,box-shadow .25s;
}
header.rolou{border-bottom-color:var(--linha);box-shadow:0 1px 20px rgba(11,79,116,.06)}
.faixa{
  max-width:var(--largura);margin:0 auto;padding:12px 24px;
  display:flex;align-items:center;gap:24px;
}
.marca{display:flex;align-items:center;text-decoration:none}
/* 162x95 exibido a 48px de altura = exatamente 2x, nítido em tela retina */
.marca img{height:48px;width:auto}
nav{margin-left:auto;display:flex;align-items:center;gap:4px;flex-wrap:wrap}
nav a{
  padding:9px 14px;border-radius:10px;font-size:15px;font-weight:500;
  color:var(--tinta-suave);transition:color .18s,background .18s;
}
nav a:hover{color:var(--mar-fundo);background:rgba(11,106,153,.07)}
nav a.ativo{color:var(--mar-fundo)}
.botao-nav{
  background:var(--mar-fundo);color:var(--branco)!important;padding:9px 18px;
}
.botao-nav:hover{background:var(--mar);color:var(--branco)!important}

/* --------------------------------------------------------------- hero ---
   Fundo: foto da Baía de Caraguatatuba (CC0, ver img/CREDITOS.txt) sob uma
   camada escura, para o texto manter contraste. Se a foto não carregar, o
   gradiente por baixo sustenta a seção sozinho. */
.hero{
  position:relative;overflow:hidden;color:var(--branco);
  background:
    linear-gradient(100deg,rgba(6,54,79,.94) 0%,rgba(6,54,79,.78) 42%,rgba(11,106,153,.5) 100%),
    image-set(url("../img/baia-900.jpg") 1x, url("../img/baia-1800.jpg") 2x)
      center/cover no-repeat,
    linear-gradient(168deg,var(--mar-fundo) 0%,var(--mar) 55%,var(--mar-claro) 100%);
  padding:clamp(76px,11vw,140px) 0 clamp(108px,13vw,170px);
}
@media (min-width:901px){
  .hero{
    background:
      linear-gradient(100deg,rgba(6,54,79,.94) 0%,rgba(6,54,79,.76) 46%,rgba(11,106,153,.46) 100%),
      url("../img/baia-1800.jpg") center/cover no-repeat,
      linear-gradient(168deg,var(--mar-fundo) 0%,var(--mar) 55%,var(--mar-claro) 100%);
  }
}
.hero-int{max-width:var(--largura);margin:0 auto;padding:0 24px;position:relative;z-index:2}
.sobre-titulo{
  margin:0 0 20px;font-size:13px;font-weight:600;letter-spacing:.13em;
  text-transform:uppercase;color:var(--ceu);
}
.hero h1{
  font-size:clamp(33px,5.4vw,60px);max-width:17ch;margin:0 0 24px;
  letter-spacing:-.032em;
}
.lead{
  font-size:clamp(17px,1.9vw,20px);max-width:56ch;margin:0 0 36px;
  color:rgba(255,255,255,.88);font-weight:400;
}
.acoes{display:flex;gap:14px;flex-wrap:wrap}
.botao,.botao-vazado{
  display:inline-block;padding:14px 28px;border-radius:12px;font-weight:600;
  font-size:16px;transition:transform .16s,box-shadow .16s,background .16s;
}
.botao{background:var(--branco);color:var(--mar-fundo);
  box-shadow:0 6px 20px rgba(3,30,45,.22)}
.botao:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(3,30,45,.3)}
.botao-vazado{
  color:var(--branco);border:1.5px solid rgba(255,255,255,.42);
}
.botao-vazado:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}

/* a curva que fecha o hero, levando para a seção seguinte */
.onda{
  position:absolute;left:0;right:0;bottom:-1px;height:86px;z-index:1;
  background:var(--branco);
  -webkit-mask:radial-gradient(120% 86px at 50% 100%,#000 99%,transparent 100%);
  mask:radial-gradient(120% 86px at 50% 100%,#000 99%,transparent 100%);
}


/* ------------------------------------------------------------- secoes --- */
.secao{padding:clamp(64px,9vw,104px) 0}
.secao.alt{background:linear-gradient(180deg,#f7fafc,#fff)}
.etiqueta{
  margin:0 0 12px;font-size:13px;font-weight:600;letter-spacing:.13em;
  text-transform:uppercase;color:var(--mar-claro);
}
.secao h2{font-size:clamp(26px,3.7vw,40px);max-width:20ch;margin:0 0 22px}
.secao p{margin:0 0 18px;max-width:66ch;font-size:17px;color:var(--tinta-suave)}
.intro{font-size:19px!important;max-width:60ch}

.missao{
  margin:38px 0 0;padding:26px 30px;border-left:4px solid var(--mar-claro);
  background:linear-gradient(120deg,rgba(0,153,204,.06),rgba(132,193,255,.05));
  border-radius:0 var(--raio) var(--raio) 0;
}
.missao p{
  margin:0;font-size:20px;color:var(--mar-fundo);font-weight:500;
  line-height:1.5;max-width:none;
}
.missao cite{
  display:block;margin-top:14px;font-style:normal;font-size:13px;font-weight:600;
  letter-spacing:.11em;text-transform:uppercase;color:var(--mar-claro);
}

/* ------------------------------------------------------------- linhas --- */
.linhas{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(272px,1fr));
  gap:20px;margin:36px 0 26px;
}
.linhas li{
  background:var(--branco);border:1px solid var(--linha);border-radius:var(--raio);
  padding:26px;transition:transform .2s,box-shadow .2s,border-color .2s;
}
.linhas li:hover{
  transform:translateY(-3px);box-shadow:var(--sombra);border-color:#cfe2ef;
}
.linhas h3{font-size:18px;margin:0 0 8px;color:var(--mar-fundo)}
.linhas p{margin:0;font-size:15.5px}
.nota{font-size:15px!important}

/* ---------------------------------------------------------- estrutura --- */
.marcadores{margin-top:28px;display:grid;gap:12px;max-width:66ch}
.marcadores li{
  position:relative;padding-left:30px;color:var(--tinta);font-size:16px;
}
.marcadores li::before{
  content:"";position:absolute;left:0;top:7px;width:18px;height:18px;
  border-radius:50%;background:rgba(0,153,204,.14);
}
.marcadores li::after{
  content:"";position:absolute;left:6px;top:12px;width:5px;height:9px;
  border:solid var(--mar-claro);border-width:0 2px 2px 0;transform:rotate(45deg);
}

/* ------------------------------------------------------------ contato --- */
.contato{background:var(--areia);}
.cartoes{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(262px,1fr));
  gap:20px;margin-top:36px;
}
.cartao{
  display:flex;flex-direction:column;gap:7px;background:var(--branco);
  border-radius:var(--raio);padding:28px;color:var(--tinta);
  box-shadow:var(--sombra);transition:transform .2s,box-shadow .2s;
}
.cartao:hover{transform:translateY(-3px);box-shadow:0 14px 36px rgba(11,79,116,.14)}
.rotulo{
  font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--mar-claro);
}
.cartao strong{font-size:19px;color:var(--mar-fundo);font-weight:600;line-height:1.35}
.acao{margin-top:6px;font-size:14px;font-weight:600;color:var(--mar)}

/* ------------------------------------------------------------- rodape --- */
footer{background:var(--mar-fundo);color:rgba(255,255,255,.72);padding:48px 0}
.rodape{
  display:grid;grid-template-columns:1fr auto;gap:36px;align-items:end;
}
.rodape p{margin:0 0 6px;font-size:14.5px}
.rodape-marca{
  color:var(--branco);font-weight:700;letter-spacing:-.01em;font-size:16px!important;
}
.rodape a{color:var(--ceu)}
.direitos{font-size:13px!important;text-align:right;opacity:.75}

/* ------------------------------------------------------------ reveal ----
   A entrada suave só existe quando há JavaScript (a classe .js é posta no
   <html> por um script inline no <head>). Sem JS — ou se o script falhar —
   o conteúdo aparece normalmente, em vez de ficar invisível para sempre. */
.js .reveal{opacity:0;transform:translateY(14px);
  transition:opacity .6s cubic-bezier(.2,.7,.3,1),transform .6s cubic-bezier(.2,.7,.3,1)}
.js .reveal.visivel{opacity:1;transform:none}

/* ---------------------------------------------------------- responsivo -- */
@media (max-width:900px){
      .rodape{grid-template-columns:1fr;text-align:center;gap:22px;justify-items:center;align-items:center}
  .direitos{text-align:center}
}
@media (max-width:660px){
  html{scroll-padding-top:76px}
  .faixa{padding:10px 18px;gap:12px}
  .marca img{height:40px}
  nav{gap:2px;width:100%;margin-left:0;justify-content:center}
  nav a{padding:7px 11px;font-size:14px}
  .interno,.hero-int{padding:0 18px}
  .acoes{flex-direction:column;align-items:stretch}
  .botao,.botao-vazado{text-align:center}
    .missao{padding:22px}
  .missao p{font-size:18px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .botao:hover,.botao-vazado:hover,.linhas li:hover,.cartao:hover{transform:none}
}

@media print{
  header,.acoes,.onda{display:none}
  .hero{color:#000;background:none;padding:20px 0}
  body{color:#000}
}