/* Instituto Aros · tema escuro com verde-petróleo e dourado (guia visual aprovado) */
:root{
  --fundo:#111317; --fundo-2:#16191e; --card:#1c2026; --card-2:#22272e;
  --verde:#14302f; --verde-2:#1b3b3a; --verde-escuro:#0f1a1c;
  --texto:#ece8df; --texto-2:#b9b4aa; --texto-3:#8e897f;
  --ouro:#c9a45c; --ouro-claro:#e2c78f; --ouro-escuro:#8a6d33;
  --linha:rgba(236,232,223,.09);
  --display:"Cormorant Garamond",Georgia,serif; --corpo:"Figtree",system-ui,sans-serif;
  --raio:10px; --max:1180px;
  --sombra:0 18px 40px -22px rgba(0,0,0,.75);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--fundo);color:var(--texto);font:400 16px/1.6 var(--corpo);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.1;margin:0}
h2{font-size:clamp(32px,4vw,46px)}
h3{font-size:24px}
.rotulo{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--ouro);margin:0 0 14px;font-weight:500}

/* botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:6px;font-weight:600;font-size:15px;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;cursor:pointer;text-align:center}
.btn--ouro{background:linear-gradient(180deg,#e2c78f,#c9a45c);color:#1a1408;box-shadow:0 3px 0 var(--ouro-escuro),0 12px 26px -14px rgba(201,164,92,.7)}
.btn--ouro:hover{transform:translateY(-2px);box-shadow:0 5px 0 var(--ouro-escuro),0 18px 30px -14px rgba(201,164,92,.8)}
.btn--vidro{background:rgba(255,255,255,.05);border-color:rgba(236,232,223,.22);color:var(--texto);backdrop-filter:blur(6px)}
.btn--vidro:hover{border-color:var(--ouro);color:var(--ouro-claro)}
.btn--linha{background:transparent;border-color:rgba(201,164,92,.5);color:var(--ouro-claro)}
.btn--linha:hover{background:rgba(201,164,92,.1)}
.btn--grande{padding:15px 28px;font-size:16px}
.link-ouro{color:var(--ouro-claro);font-weight:500;border-bottom:1px solid rgba(226,199,143,.35)}
.link-ouro:hover{border-color:var(--ouro-claro)}

/* topo */
.topo{position:sticky;top:0;z-index:40;background:rgba(15,26,28,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(201,164,92,.14);box-shadow:0 6px 18px rgba(0,0,0,.4)}
.topo__in{max-width:var(--max);margin:0 auto;padding:10px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.marca img{height:62px;width:auto}
.menu{display:flex;align-items:center;gap:28px}
.menu a:not(.btn){font-size:15px;color:rgba(236,232,223,.78);position:relative;padding:4px 0;transition:color .2s}
.menu a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--ouro);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.menu a:not(.btn):hover{color:#f3efe6}
.menu a:not(.btn):hover::after{transform:scaleX(1)}
.menu__cta{padding:10px 18px;font-size:14px}
.menu-btn{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;position:relative}
.menu-btn span{position:absolute;left:9px;right:9px;height:1.5px;background:#f3efe6;transition:transform .25s}
.menu-btn span:first-child{top:15px}.menu-btn span:last-child{top:24px}
.topo.aberto .menu-btn span:first-child{transform:translateY(4.5px) rotate(45deg)}
.topo.aberto .menu-btn span:last-child{transform:translateY(-4.5px) rotate(-45deg)}

/* hero */
.hero{background:radial-gradient(120% 90% at 0% 0%,#1d4342 0%,var(--verde) 38%,var(--fundo) 85%);overflow:hidden}
.hero__in{max-width:var(--max);margin:0 auto;padding:64px 24px 72px;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(42px,6vw,72px);color:#f3efe6;margin-bottom:22px}
.hero h1 em{color:var(--ouro-claro);font-style:italic;font-weight:500}
.hero__lead{font-size:18px;color:var(--texto-2);max-width:560px;margin:0 0 30px}
.hero__acoes{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.pilulas{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px}
.pilulas li{font-size:13px;padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid rgba(201,164,92,.28);color:var(--ouro-claro)}
.hero__foto{margin:0;position:relative;border-radius:14px;overflow:hidden;box-shadow:0 30px 60px -30px rgba(0,0,0,.9);border:1px solid rgba(201,164,92,.25);aspect-ratio:4/5}
.hero__foto img{width:100%;height:100%;object-fit:cover;object-position:50% 30%;animation:zoom 22s ease-in-out infinite alternate}
.hero__foto::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(10,14,16,.88))}
.hero__foto figcaption{position:absolute;left:20px;bottom:18px;z-index:1;display:flex;flex-direction:column}
.hero__foto figcaption strong{font-family:var(--display);font-size:22px;font-weight:600}
.hero__foto figcaption span{font-size:13px;color:var(--ouro-claro)}
@keyframes zoom{from{transform:scale(1)}to{transform:scale(1.08)}}
.hero__txt>*{animation:sobe .8s cubic-bezier(.2,.7,.2,1) both}
.hero__txt>*:nth-child(2){animation-delay:.08s}.hero__txt>*:nth-child(3){animation-delay:.16s}.hero__txt>*:nth-child(4){animation-delay:.24s}.hero__txt>*:nth-child(5){animation-delay:.32s}
@keyframes sobe{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

/* faixa */
.faixa{background:var(--verde-escuro);border-block:1px solid rgba(201,164,92,.16)}
.faixa__in{max-width:var(--max);margin:0 auto;padding:22px 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.faixa__in>div{display:flex;flex-direction:column;padding-left:16px;border-left:1px solid rgba(201,164,92,.35)}
.faixa strong{font-family:var(--display);font-size:21px;color:var(--ouro-claro);font-weight:600}
.faixa span{font-size:13px;color:var(--texto-3)}

/* seções */
.secao{padding:84px 24px}
.secao--verde{background:linear-gradient(180deg,var(--verde) 0%,#112524 100%)}
.secao--escura{background:var(--fundo-2)}
.secao__in{max-width:var(--max);margin:0 auto}
.secao__in.estreito{max-width:820px}
.secao__topo{max-width:720px;margin-bottom:40px}
.secao__topo h2{margin-bottom:14px}
.secao__lead{color:var(--texto-2);font-size:17px;margin:14px 0 24px}
.duas{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.moldura{margin:0;border-radius:14px;overflow:hidden;border:1px solid rgba(201,164,92,.25);box-shadow:var(--sombra)}
.nota{margin:28px 0 0;color:var(--texto-3)}
.nota a{color:var(--ouro-claro)}

/* cursos */
.cursos{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.curso{position:relative;background:linear-gradient(180deg,var(--card-2),var(--card));border:1px solid var(--linha);border-radius:var(--raio);padding:28px 24px 24px;display:flex;flex-direction:column;box-shadow:var(--sombra);transition:transform .3s,border-color .3s,box-shadow .3s}
.curso:hover{transform:translateY(-4px);border-color:rgba(201,164,92,.45);box-shadow:0 24px 44px -24px rgba(0,0,0,.9),0 0 0 1px rgba(201,164,92,.18) inset}
.curso:hover h3{color:var(--ouro-claro)}
.curso h3{margin-bottom:10px;transition:color .3s;padding-right:8px}
.curso>p{color:var(--texto-2);font-size:15px;margin:0 0 14px}
.curso__tag{align-self:flex-start;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ouro);border:1px solid rgba(201,164,92,.35);border-radius:999px;padding:4px 10px;margin-bottom:14px}
.curso__itens{list-style:none;padding:0;margin:0 0 16px;display:flex;flex-wrap:wrap;gap:6px}
.curso__itens li{font-size:13px;background:rgba(255,255,255,.04);border:1px solid var(--linha);border-radius:6px;padding:4px 9px;color:var(--texto)}
.curso__info{margin:auto 0 18px;padding-top:14px;border-top:1px solid var(--linha);display:grid;gap:8px}
.curso__info div{display:flex;justify-content:space-between;gap:12px;font-size:14px}
.curso__info dt{color:var(--texto-3)}
.curso__info dd{margin:0;text-align:right;color:var(--texto)}
.curso__info dd.a-definir{color:var(--ouro-claro)}
.curso__acoes{display:flex;flex-direction:column;gap:8px}
.curso__acoes .btn{width:100%}
.curso__seguro{font-size:12px;color:var(--texto-3);text-align:center;margin:2px 0 0}

/* listas */
.lista-check{list-style:none;padding:0;margin:0 0 30px;display:grid;gap:10px}
.lista-check li{padding-left:28px;position:relative;color:var(--texto)}
.lista-check li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:8px;border-left:2px solid var(--ouro);border-bottom:2px solid var(--ouro);transform:rotate(-45deg)}
.chips{list-style:none;padding:0;margin:0 0 30px;display:flex;flex-wrap:wrap;gap:8px}
.chips li{font-size:14px;padding:7px 14px;border-radius:999px;border:1px solid rgba(201,164,92,.35);color:var(--ouro-claro);background:rgba(201,164,92,.06)}

/* fellowship */
.fellow{display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:stretch}
.fellow__sub{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--texto-3);margin:0 0 12px}
.fellow__card{background:radial-gradient(120% 100% at 100% 0%,rgba(201,164,92,.18),transparent 60%),var(--card);border:1px solid rgba(201,164,92,.3);border-radius:14px;padding:34px 30px;display:flex;flex-direction:column;justify-content:center;box-shadow:var(--sombra)}
.fellow__marca{font-family:var(--display);font-size:34px;letter-spacing:.06em;color:var(--ouro-claro);margin:0 0 12px}
.fellow__desc{color:var(--texto-2);margin:0 0 20px}

/* equipe */
.equipe{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pessoa{background:var(--card);border:1px solid var(--linha);border-radius:var(--raio);padding:26px 22px;box-shadow:var(--sombra);transition:border-color .3s}
.pessoa:hover{border-color:rgba(201,164,92,.4)}
.pessoa h3{font-size:22px;margin-bottom:12px}
.pessoa ul{margin:0;padding-left:18px;color:var(--texto-2);font-size:14px;display:grid;gap:6px}
.pessoa__papel{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ouro);margin:0 0 6px}
.pessoa__ini{display:grid;place-items:center;width:58px;height:58px;border-radius:50%;border:1px solid var(--ouro);color:var(--ouro-claro);font-family:var(--display);font-size:22px;margin-bottom:18px;background:rgba(201,164,92,.06)}
.pessoa--destaque{grid-column:1/-1;display:grid;grid-template-columns:220px 1fr;gap:30px;align-items:center;background:linear-gradient(90deg,var(--verde) 0%,var(--card) 70%);border-color:rgba(201,164,92,.3)}
.pessoa--destaque img{border-radius:8px;aspect-ratio:4/5;object-fit:cover;width:100%}
.pessoa--destaque h3{font-size:32px}
.pessoa--destaque ul{font-size:15px}

/* inscrição */
.passos{list-style:none;counter-reset:p;padding:0;margin:0 0 28px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.passos li{counter-increment:p;background:var(--card);border:1px solid var(--linha);border-radius:var(--raio);padding:24px;display:flex;flex-direction:column;gap:6px}
.passos li::before{content:counter(p);font-family:var(--display);font-size:38px;color:var(--ouro);line-height:1}
.passos strong{font-size:17px}
.passos span{color:var(--texto-2);font-size:15px}
.aviso{border:1px solid rgba(201,164,92,.35);background:rgba(201,164,92,.07);border-radius:var(--raio);padding:18px 22px;color:var(--texto-2);margin-bottom:30px}
.aviso strong{color:var(--ouro-claro);margin-right:4px}
.aviso b{color:var(--texto)}
.contato{display:flex;flex-wrap:wrap;gap:14px}

/* dúvidas */
details{border-bottom:1px solid var(--linha)}
summary{cursor:pointer;list-style:none;padding:20px 36px 20px 0;font-size:18px;font-weight:500;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:4px;top:14px;font-size:26px;color:var(--ouro);transition:transform .25s}
details[open] summary::after{transform:rotate(45deg)}
details p{margin:0 0 20px;color:var(--texto-2)}

/* rodapé */
.rodape{background:var(--verde-escuro);border-top:1px solid rgba(201,164,92,.16);padding:56px 24px 24px}
.rodape__in{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.rodape__marca img{height:72px;width:auto;margin-bottom:12px}
.rodape__marca p{color:var(--texto-3);font-size:14px;max-width:280px;margin:0}
.rodape h4{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--ouro);margin:0 0 14px;font-weight:500}
.rodape__in>div:not(.rodape__marca){display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--texto-2)}
.rodape a:hover{color:var(--ouro-claro)}
.rodape__fim{max-width:var(--max);margin:40px auto 0;padding-top:20px;border-top:1px solid var(--linha);font-size:13px;color:var(--texto-3)}

/* revelar ao rolar */
.rv-on .rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.rv-on .rv.rv-in{opacity:1;transform:none}

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

@media (max-width:1000px){
  .cursos{grid-template-columns:repeat(2,1fr)}
  .equipe{grid-template-columns:repeat(2,1fr)}
  .fellow{grid-template-columns:1fr}
}
@media (max-width:860px){
  .menu-btn{display:block}
  .menu{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#0e1416;padding:6px 20px 22px;border-bottom:1px solid rgba(201,164,92,.25);box-shadow:0 18px 30px -18px rgba(0,0,0,.8)}
  .topo.aberto .menu{display:flex}
  .menu a:not(.btn){padding:14px 4px;border-bottom:1px solid var(--linha);color:#e9e4d8}
  .menu a:not(.btn)::after{display:none}
  .menu__cta{margin-top:16px;padding:14px}
  .marca img{height:46px}
  .hero__in{grid-template-columns:1fr;padding:40px 20px 56px;gap:36px}
  .hero__foto{aspect-ratio:4/4.2;max-height:520px}
  .faixa__in{grid-template-columns:repeat(2,1fr);padding:20px}
  .secao{padding:64px 20px}
  .duas{grid-template-columns:1fr;gap:36px}
  .passos{grid-template-columns:1fr}
  .rodape__in{grid-template-columns:1fr 1fr}
  .rodape__marca{grid-column:1/-1}
}
@media (max-width:600px){
  .cursos,.equipe{grid-template-columns:1fr}
  .pessoa--destaque{grid-template-columns:1fr;gap:20px}
  .pessoa--destaque img{max-width:240px}
  .hero__acoes .btn,.contato .btn{width:100%}
  .rodape__in{grid-template-columns:1fr}
}