/* ==========================================================================
   MC Graduation — folha de estilo principal
   Site estático (HTML/CSS/JS). Sem CMS, sem dependências externas
   além da fonte Lato (Google Fonts).
   ========================================================================== */

/* -------------------------------------------------- Reset / base */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0}
figure,blockquote{margin:0}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
button{font:inherit}

:root{
  --azul:#314f8f;
  --azul-escuro:#2c5692;
  --azul-fundo:#26467e;
  --texto:#3a3a3a;
  --texto-suave:#5f6672;
  --cinza-escuro:#4e4e4e;
  --claro:#f5f7f9;
  --borda:#e3e7ec;
  --branco:#fff;
  --container:1140px;
  --radius:6px;
  --sombra:0 6px 24px rgba(20,35,70,.10);
  --fonte:'Lato','Helvetica Neue',Arial,sans-serif;
  --fonte-titulo:'PT Sans','Lato','Helvetica Neue',Arial,sans-serif;
}

body{
  font-family:var(--fonte);
  color:var(--texto);
  font-size:17px;
  line-height:1.7;
  background:var(--branco);
  overflow-x:hidden;
}

h1,h2,h3,h4{font-family:var(--fonte-titulo);font-weight:400;line-height:1.22;margin:0 0 .6em;color:var(--texto)}
h3,h4{font-weight:700}
h1{font-size:clamp(1.9rem,4.4vw,3rem)}
h2{font-size:clamp(1.5rem,3.2vw,2.25rem)}
h3{font-size:clamp(1.15rem,2vw,1.4rem)}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
.container--estreito{max-width:900px}

/* -------------------------------------------------- Utilidades */
.azul{color:var(--azul)}
.centro{text-align:center}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.secao{padding:78px 0}
.secao--compacta{padding:52px 0}
.secao--clara{background:var(--claro)}
.secao--azul{background:var(--azul-fundo);color:#fff}
.secao--azul h1,.secao--azul h2,.secao--azul h3{color:#fff}

.titulo-secao{margin-bottom:34px}
.titulo-secao h2{margin-bottom:.35em}
.titulo-secao p{color:var(--texto-suave);max-width:760px}
.titulo-secao.centro p{margin-left:auto;margin-right:auto}

/* -------------------------------------------------- Botões */
.btn{
  display:inline-block;
  padding:13px 30px;
  background:var(--azul);
  color:#fff;
  border:2px solid var(--azul);
  border-radius:var(--radius);
  text-decoration:none;
  font-weight:700;
  font-size:.95rem;
  letter-spacing:.02em;
  cursor:pointer;
  transition:background .2s,color .2s,transform .2s;
}
.btn:hover{background:#26406f;border-color:#26406f;transform:translateY(-2px)}
.btn--vazado{background:transparent;color:var(--azul)}
.btn--vazado:hover{background:var(--azul);color:#fff}
.btn--branco{background:#fff;color:var(--azul);border-color:#fff}
.btn--branco:hover{background:transparent;color:#fff;border-color:#fff}

/* -------------------------------------------------- Cabeçalho */
.topo{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--borda);
  box-shadow:0 1px 10px rgba(0,0,0,.05);
}
.topo__inner{display:flex;align-items:center;gap:18px;min-height:88px}
.topo__logo{display:flex;align-items:center;text-decoration:none;flex-shrink:0}
.topo__logo img{width:64px;height:auto}
.topo__nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.topo__nav a{
  text-decoration:none;color:var(--texto);
  font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;
  padding:10px 12px;border-radius:4px;white-space:nowrap;
  transition:color .2s;
}
.topo__nav a:hover,.topo__nav a.ativo{color:var(--azul)}
.topo__social{display:flex;align-items:center;gap:14px;margin-left:22px;padding-left:22px;border-left:1px solid var(--borda)}
.topo__social a{color:var(--texto-suave);display:flex;transition:color .2s}
.topo__social a:hover{color:var(--azul)}
.topo__social svg{width:19px;height:19px;fill:currentColor}

.menu-btn{
  display:none;margin-left:auto;background:none;border:0;padding:10px;cursor:pointer;color:var(--azul);
}
.menu-btn svg{width:28px;height:28px;fill:currentColor}

/* -------------------------------------------------- Hero (home) */
.hero{position:relative;min-height:min(88vh,720px);display:flex;align-items:center;overflow:hidden;
  background:#22406f url('../img/home-1.jpg') center/cover no-repeat}
.hero__video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:rgba(44,86,146,.5) url('../img/dark-mosaic.png') repeat}
.hero .container{position:relative;z-index:2;color:#fff;padding-top:90px;padding-bottom:90px}
.hero__conteudo{max-width:570px}
.hero h1{color:#fff;font-weight:700;font-size:clamp(2.2rem,5.2vw,3.8rem);margin-bottom:.3em;text-shadow:0 2px 18px rgba(0,0,0,.35)}
.hero p{font-size:clamp(1.05rem,1.8vw,1.375rem);margin:0;color:#fff;text-shadow:0 1px 12px rgba(0,0,0,.35)}

/* -------------------------------------------------- Banner interno */
.banner{
  position:relative;
  min-height:400px;
  display:flex;align-items:center;
  background:var(--azul-escuro) url('../img/banner-interno.jpg') left center/auto no-repeat fixed;
}
.banner::after{content:"";position:absolute;inset:0;background:rgba(44,86,146,.5) url('../img/dark-mosaic.png') repeat}
.banner .container{position:relative;z-index:2;padding-top:70px;padding-bottom:70px;text-align:right}
.banner h1{color:#fff;font-weight:700;font-size:clamp(2rem,5vw,3.8rem);margin:0;text-shadow:0 2px 18px rgba(0,0,0,.35)}

/* -------------------------------------------------- Grid genérico */
.grid{display:grid;gap:34px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--texto-img{grid-template-columns:1fr 1fr;align-items:center;gap:50px}

.figura{border-radius:var(--radius);overflow:hidden;box-shadow:var(--sombra)}
.figura img{width:100%}
.figura--equipe img{aspect-ratio:4/3;object-fit:cover;object-position:center 20%}
.figura--sem-caixa{box-shadow:none;border-radius:0;background:none}

/* -------------------------------------------------- Listas com check */
.lista{list-style:none;margin:0;padding:0}
.lista li{position:relative;padding:0 0 0 32px;margin-bottom:11px}
.lista li::before{
  content:"";position:absolute;left:0;top:.55em;
  width:9px;height:9px;border-right:2px solid var(--azul);border-bottom:2px solid var(--azul);
  transform:rotate(-45deg);
}
.secao--azul .lista li::before{border-color:#fff}
.lista--duas{columns:2;column-gap:40px}
.lista--duas li{break-inside:avoid}

/* -------------------------------------------------- Cards */
.card{
  background:#fff;border:1px solid var(--borda);border-radius:var(--radius);
  padding:30px;height:100%;transition:transform .2s,box-shadow .2s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sombra)}
.card h3{margin-bottom:.5em}
.card p{color:var(--texto-suave);font-size:.97rem}

.card-link{
  display:block;text-decoration:none;color:inherit;
  border-radius:var(--radius);overflow:hidden;position:relative;
  box-shadow:var(--sombra);background:#123;
}
.card-link img{width:100%;height:290px;object-fit:cover;opacity:.6;transition:transform .5s,opacity .3s}
.card-link:hover img{transform:scale(1.05);opacity:.45}
.card-link span{
  position:absolute;inset:auto 0 0 0;padding:26px;
  color:#fff;font-size:1.35rem;font-weight:700;
  background:linear-gradient(180deg,transparent,rgba(10,20,45,.75));
}

/* -------------------------------------------------- Contadores */
.contadores{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;text-align:center}
.contador small{display:block;font-size:.92rem;color:var(--texto-suave);margin-bottom:2px}
.contador strong{display:block;font-size:clamp(2.2rem,5vw,3.2rem);color:var(--azul);font-weight:700;line-height:1.1}
.contador span{display:block;font-size:.95rem;color:var(--texto-suave);margin-top:6px}
.secao--azul .contador small,.secao--azul .contador span{color:#cfdcf2}
.secao--azul .contador strong{color:#fff}

/* -------------------------------------------------- Depoimentos */
.depo-fundo{position:relative;background:var(--azul-fundo) center/cover no-repeat fixed}
.depo-fundo::after{content:"";position:absolute;inset:0;background:rgba(44,86,146,.5) url('../img/dark-mosaic.png') repeat}
.depo-fundo .container{position:relative;z-index:2}
.depo-fundo h1,.depo-fundo h2,.depo-fundo h3{color:#fff;text-shadow:0 2px 14px rgba(0,0,0,.35)}
.depo-fundo > .container > .titulo-secao p{color:#dbe4f2}

.depo{
  background:#fff;border-radius:var(--radius);padding:32px;
  box-shadow:var(--sombra);height:100%;display:flex;flex-direction:column;
}
.depo p{font-style:italic;color:var(--texto);flex:1}
.depo p::before{content:"“"}
.depo p::after{content:"”"}
.depo footer{margin-top:18px;border-top:1px solid var(--borda);padding-top:14px}
.depo strong{display:block;color:var(--azul);font-size:1rem}
.depo small{color:var(--texto-suave);font-size:.87rem;line-height:1.4;display:block}

.depo-slider{position:relative;max-width:820px;margin:0 auto}
.depo-slider .depo{min-height:250px;justify-content:center;text-align:center}
.depo-slider .depo p{font-size:1.05rem}
.depo-nav{display:flex;justify-content:center;gap:9px;margin-top:22px}
.depo-nav button{
  width:11px;height:11px;border-radius:50%;border:0;padding:0;cursor:pointer;
  background:rgba(255,255,255,.45);transition:background .2s,transform .2s;
}
.depo-nav button.ativo{background:#fff;transform:scale(1.25)}

/* -------------------------------------------------- Vídeos */
.video{position:relative;padding-top:56.25%;border-radius:var(--radius);overflow:hidden;box-shadow:var(--sombra);background:#000}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-card{border-radius:var(--radius);overflow:hidden;box-shadow:var(--sombra);background:#000;position:relative;cursor:pointer;display:block;border:0;padding:0;width:100%}
.video-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:opacity .25s}
.video-card:hover img{opacity:.75}
.video-card::after{
  content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;background:rgba(255,0,0,.85);
  clip-path:circle(50%);
}
.video-card::before{
  content:"";position:absolute;z-index:2;top:50%;left:50%;transform:translate(-40%,-50%);
  border-style:solid;border-width:11px 0 11px 18px;border-color:transparent transparent transparent #fff;
}

/* -------------------------------------------------- Galeria */
.galeria{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.galeria button{
  padding:0;border:0;background:#eef1f5;cursor:zoom-in;border-radius:var(--radius);
  overflow:hidden;aspect-ratio:4/3;
}
.galeria img{width:100%;height:100%;object-fit:cover;transition:transform .45s,filter .3s;filter:grayscale(.15)}
.galeria button:hover img{transform:scale(1.07);filter:none}

.lightbox{
  position:fixed;inset:0;z-index:999;margin:0;background:rgba(12,18,32,.94);
  display:none;align-items:center;justify-content:center;padding:34px;
}
.lightbox.aberto{display:flex}
.lightbox img{max-width:92vw;max-height:80vh;border-radius:4px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lightbox figcaption{color:#dfe5f0;text-align:center;margin-top:16px;font-size:.92rem;max-width:760px}
.lightbox__fechar,.lightbox__nav{
  position:absolute;background:rgba(255,255,255,.12);border:0;color:#fff;cursor:pointer;
  width:46px;height:46px;border-radius:50%;font-size:1.4rem;line-height:1;
  display:flex;align-items:center;justify-content:center;transition:background .2s;
}
.lightbox__fechar:hover,.lightbox__nav:hover{background:rgba(255,255,255,.28)}
.lightbox__fechar{top:22px;right:22px}
.lightbox__nav--ant{left:22px;top:50%;transform:translateY(-50%)}
.lightbox__nav--prox{right:22px;top:50%;transform:translateY(-50%)}

/* -------------------------------------------------- Acordeão */
.acordeao{border:1px solid var(--borda);border-radius:var(--radius);overflow:hidden;background:#fff}
.acordeao + .acordeao{margin-top:12px}
.acordeao summary{
  cursor:pointer;padding:18px 22px;font-weight:700;color:var(--azul);
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.acordeao summary::-webkit-details-marker{display:none}
.acordeao summary::after{content:"+";font-size:1.4rem;font-weight:400;color:var(--texto-suave)}
.acordeao[open] summary::after{content:"–"}
.acordeao__corpo{padding:0 22px 20px}

/* -------------------------------------------------- Contato */
.contato-bloco{background:#fff;border:1px solid var(--borda);border-radius:var(--radius);padding:30px}
.contato-bloco h3{color:var(--azul);margin-bottom:.4em}
.contato-lista{list-style:none;margin:0;padding:0}
.contato-lista li{display:flex;gap:11px;align-items:flex-start;margin-bottom:11px;font-size:.98rem}
.contato-lista a{color:var(--texto);text-decoration:none}
.contato-lista a:hover{color:var(--azul);text-decoration:underline}
.contato-lista svg{width:17px;height:17px;fill:var(--azul);flex-shrink:0;margin-top:5px}

/* -------------------------------------------------- Rodapé */
.rodape{background:var(--cinza-escuro);color:#dcdcdc;padding:56px 0 0;font-size:.95rem}
.rodape a{color:#dcdcdc;text-decoration:none}
.rodape a:hover{color:#fff;text-decoration:underline}
.rodape h2{color:#fff;font-size:1.25rem;margin-bottom:.8em}
.rodape__grid{display:grid;grid-template-columns:1fr 1.5fr 1fr;gap:40px}
.rodape__marca img{width:88px;margin-bottom:18px}
.rodape__social{display:flex;gap:16px}
.rodape__social svg{width:21px;height:21px;fill:#dcdcdc;transition:fill .2s}
.rodape__social a:hover svg{fill:#fff}
.rodape__pessoa{margin-bottom:18px}
.rodape__pessoa strong{display:block;color:#fff;font-weight:700;margin-bottom:4px}
.rodape ul{list-style:none;margin:0;padding:0}
.rodape ul li{margin-bottom:7px}
.rodape__base{margin-top:44px;border-top:1px solid rgba(255,255,255,.15);padding:18px 0;text-align:center;font-size:.85rem;color:#b9b9b9}

/* -------------------------------------------------- Flutuantes */
.whatsapp-fixo{
  position:fixed;right:22px;bottom:22px;z-index:80;
  width:56px;height:56px;border-radius:50%;background:#25d366;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 20px rgba(0,0,0,.25);transition:transform .2s;
}
.whatsapp-fixo:hover{transform:scale(1.08)}
.whatsapp-fixo svg{width:30px;height:30px;fill:#fff}

.topo-fixo{
  position:fixed;left:22px;bottom:22px;z-index:80;
  width:44px;height:44px;border-radius:50%;background:var(--azul);border:0;color:#fff;
  cursor:pointer;display:none;align-items:center;justify-content:center;
  box-shadow:0 6px 20px rgba(0,0,0,.25);
}
.topo-fixo.visivel{display:flex}
.topo-fixo svg{width:20px;height:20px;fill:#fff}

/* -------------------------------------------------- Responsivo */
@media (max-width:980px){
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .contadores{grid-template-columns:repeat(2,1fr);gap:34px}
  .galeria{grid-template-columns:repeat(3,1fr)}
  .rodape__grid{grid-template-columns:1fr 1fr;gap:34px}
}

@media (max-width:860px){
  .menu-btn{display:block}
  .topo__nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--borda);
    box-shadow:0 12px 24px rgba(0,0,0,.10);
    padding:8px 12px 16px;display:none;
  }
  .topo__nav.aberto{display:flex}
  .topo__nav a{padding:13px 10px;border-bottom:1px solid var(--borda)}
  .topo__social{margin:14px 0 0;padding:14px 0 0;border-left:0;border-top:1px solid var(--borda);justify-content:center;gap:26px}
  .topo__social a{border-bottom:0;padding:4px}
  .topo__inner{position:relative}
}

@media (max-width:720px){
  body{font-size:16px}
  .secao{padding:52px 0}
  .grid--2,.grid--3,.grid--texto-img{grid-template-columns:1fr;gap:28px}
  .grid--texto-img .figura{order:-1}
  .lista--duas{columns:1}
  .galeria{grid-template-columns:repeat(2,1fr);gap:10px}
  .rodape__grid{grid-template-columns:1fr}
  .banner{min-height:260px;background-attachment:scroll;background-size:cover;background-position:center}
  .banner .container{text-align:left}
  .depo-fundo{background-attachment:scroll}
  .lightbox{padding:16px}
  .lightbox__nav{width:40px;height:40px}
  .lightbox__nav--ant{left:8px}
  .lightbox__nav--prox{right:8px}
}

@media (max-width:460px){
  .contadores{grid-template-columns:1fr}
  .galeria{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}