/* §7 Topo (escala da barra da Academy): marca pequena, links curtos no centro e, à direita, volta ao site + CTA.
   No herói é uma linha baixa sobre a faixa marfim; quando a folha do bloco 2 cobre o herói, vira uma cápsula
   flutuante centrada, fixa — a navegação nunca some no desktop. Só transform/opacidade animam. */
.topo{position:fixed;inset:0 0 auto;z-index:40;display:flex;justify-content:center;pointer-events:none;
  padding:0 max(16px,env(safe-area-inset-right,0px)) 0 max(16px,env(safe-area-inset-left,0px))}
.topo__barra{pointer-events:auto;position:relative;display:flex;align-items:center;gap:28px;width:100%;max-width:1440px;height:64px;padding:0 32px;
  border-radius:0;transition:transform .32s cubic-bezier(.2,.8,.2,1),max-width .32s cubic-bezier(.2,.8,.2,1)}
.topo__barra::before{content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;opacity:0;
  background:rgba(251,250,247,.9);border:1px solid rgba(198,154,75,.32);
  box-shadow:0 10px 30px -14px rgba(11,26,61,.35),0 1px 0 rgba(255,255,255,.9) inset;transition:opacity .32s cubic-bezier(.2,.8,.2,1)}
.topo__marca{display:flex;align-items:center;gap:10px;flex:none;text-decoration:none;border-radius:8px}
.topo__selo{display:block;width:30px;height:30px;border-radius:8px;overflow:hidden;box-shadow:0 0 0 1px rgba(198,154,75,.55)}
.topo__selo img{width:100%;height:100%;object-fit:cover}
.topo__nome{display:flex;align-items:center;gap:9px}
.topo__ausculto{font:300 15px/1 'Montserrat Lockup',var(--sans);letter-spacing:.11em;color:var(--ink)}
.topo__fio{width:1px;height:16px;background:#C9B48A}
.topo__campus{font:400 19px/1 var(--serif);color:var(--gold-num)}
.topo__nav{display:flex;align-items:center;gap:28px;margin:0 auto}
.topo__link{position:relative;padding:8px 0;font:500 14px/1 var(--sans);letter-spacing:-.005em;color:var(--ink-2);text-decoration:none;white-space:nowrap;transition:color .18s ease-out}
.topo__link::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;background:var(--gold);transform:scaleX(0);transition:transform .18s ease-out}
.topo__link:hover,.topo__link[aria-current]{color:var(--ink)}
.topo__link:hover::after,.topo__link[aria-current]::after{transform:scaleX(1)}
.topo__acoes{display:flex;align-items:center;gap:16px;flex:none}
.topo__site{display:inline-flex;align-items:center;gap:4px;font:500 13.5px/1 var(--sans);color:var(--ink-2);text-decoration:none;white-space:nowrap}
.topo__site svg,.topo__cta svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.topo__site:hover{color:var(--ink)}
.topo__divisor{width:1px;height:18px;background:rgba(38,53,79,.2)}
.topo__cta{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px 0 18px;border-radius:999px;white-space:nowrap;
  background:var(--navy);color:#fff;font:600 13.5px/1 var(--sans);text-decoration:none;
  box-shadow:inset 0 0 0 1px rgba(226,184,103,.55),0 6px 14px -8px rgba(11,39,71,.6);transition:background-color .18s ease-out,transform .12s ease-out}
.topo__cta:hover{background:#12355E}
.topo__cta:hover svg{transform:translate(1px,-1px)}
.topo__cta svg{transition:transform .18s ease-out}
.topo__cta:active{transform:scale(.97)}
.topo :focus-visible{outline:2px solid var(--gold);outline-offset:3px}
/* cápsula */
.topo.is-capsula .topo__barra{max-width:980px;height:56px;padding:0 10px 0 14px;border-radius:999px;transform:translateY(12px)}
.topo.is-capsula .topo__barra::before{opacity:1}
.topo.is-capsula .topo__nome{display:none}
.topo.is-capsula .topo__nav{gap:24px}
@supports (backdrop-filter:blur(8px)){
  .topo.is-capsula .topo__barra::before{background:rgba(251,250,247,.78);backdrop-filter:blur(14px) saturate(140%)}
}
html{scroll-padding-top:84px}
@media (max-width:1100px){ .topo__site,.topo__divisor{display:none} }
@media (prefers-reduced-motion:reduce){ .topo__barra,.topo__barra::before,.topo__link::after{transition-duration:.12s} }
.topo__menu,.topo__folha{display:none}
/* celular: barra de borda a borda no fluxo (sticky), lockup inteiro em escala menor e "Menu" à direita.
   O único CTA da primeira tela é o do herói; o da barra mora na folha do menu. */
@media (max-width:900px){
  .topo{position:sticky;top:env(safe-area-inset-top,0px);padding:0}
  .topo__barra{gap:12px;height:56px;padding:0 max(12px,env(safe-area-inset-right,0px)) 0 max(16px,env(safe-area-inset-left,0px))}
  .topo__barra::before{opacity:1;border-width:0 0 1px;border-color:rgba(198,154,75,.28);border-radius:0;box-shadow:none;background:rgba(251,250,247,.94)}
  .topo.is-capsula .topo__barra{max-width:none;height:56px;padding:0 max(12px,env(safe-area-inset-right,0px)) 0 max(16px,env(safe-area-inset-left,0px));transform:none;border-radius:0}
  .topo.is-capsula .topo__barra::before{border-radius:0;box-shadow:0 8px 20px -16px rgba(11,26,61,.45)}
  .topo.is-capsula .topo__nome{display:flex}
  .topo__nav,.topo__acoes{display:none}
  /* A primeira tela segue sem CTA na barra; passado o herói, a demonstração fica à mão */
  .topo__pilula{position:relative;display:none;align-items:center;height:38px;margin-left:auto;padding:0 15px;border-radius:999px;background:var(--navy);box-shadow:0 0 0 1px rgba(216,181,101,.6);color:#fff;font:600 13px/1 var(--sans);text-decoration:none;white-space:nowrap}
  .topo__pilula::before{content:"";position:absolute;inset:-3px 0}
  .topo.is-alem .topo__pilula{display:inline-flex}
  .topo.is-alem .topo__nome{display:none}
  .topo.is-alem .topo__menu{margin-left:0}
  .topo__marca{gap:9px}
  .topo__selo{width:28px;height:28px;border-radius:7px}
  .topo__nome{gap:8px}
  .topo__ausculto{font-size:12px;letter-spacing:.1em}
  .topo__fio{height:14px}
  .topo__campus{font-size:16px}
  .topo__menu{display:inline-flex;align-items:center;gap:8px;margin-left:auto;height:44px;padding:0 10px;border:0;border-radius:999px;background:none;cursor:pointer;
    color:var(--ink);font:500 13px/1 var(--sans);letter-spacing:.01em;-webkit-tap-highlight-color:transparent}
  .topo__menu-linhas{position:relative;display:block;width:18px;height:8px}
  .topo__menu-linhas span{position:absolute;left:0;right:0;height:1.5px;border-radius:1px;background:currentColor;transition:transform .32s cubic-bezier(.4,0,.2,1)}
  .topo__menu-linhas span:first-child{top:0}
  .topo__menu-linhas span:last-child{bottom:0}
  .topo__menu[aria-expanded="true"] .topo__menu-linhas span:first-child{transform:translateY(3.25px) rotate(45deg)}
  .topo__menu[aria-expanded="true"] .topo__menu-linhas span:last-child{transform:translateY(-3.25px) rotate(-45deg)}
  .topo__menu:active{background:rgba(13,38,66,.06)}
  /* folha do menu: desce do topo, marfim com filete dourado */
  .topo__folha{display:block;position:fixed;inset:0;z-index:-1;pointer-events:auto}
  .topo__folha[hidden]{display:none}
  .topo__veu{position:absolute;inset:calc(56px + env(safe-area-inset-top,0px)) 0 0;background:rgba(11,26,61,.32);opacity:0;transition:opacity .36s cubic-bezier(.4,0,.2,1)}
  .topo__painel{position:absolute;left:0;right:0;top:calc(56px + env(safe-area-inset-top,0px));display:flex;flex-direction:column;gap:22px;
    padding:20px max(20px,env(safe-area-inset-right,0px)) max(22px,env(safe-area-inset-bottom,0px)) max(20px,env(safe-area-inset-left,0px));
    background:linear-gradient(180deg,rgba(255,255,255,.55),rgba(255,255,255,0) 40%),url("assets/textures/marble.webp") 0 0/520px auto repeat,#F7F4EE;
    border-radius:0 0 22px 22px;box-shadow:inset 0 -1px 0 rgba(198,154,75,.55),0 24px 40px -24px rgba(11,26,61,.55);
    transform:translateY(-12px);opacity:0;transition:transform .36s cubic-bezier(.4,0,.2,1),opacity .36s cubic-bezier(.4,0,.2,1)}
  .topo__folha.is-aberta .topo__veu{opacity:1}
  .topo__folha.is-aberta .topo__painel{transform:none;opacity:1}
  .topo__folha-nav{display:flex;flex-direction:column}
  .topo__folha-nav a{display:flex;align-items:center;min-height:56px;font:400 24px/1.1 var(--serif);letter-spacing:-.01em;color:var(--ink);text-decoration:none;border-bottom:1px solid rgba(198,154,75,.26)}
  .topo__folha-nav a[aria-current]{color:var(--gold-num)}
  .topo__folha-site{display:inline-flex;align-items:center;gap:6px;min-height:44px;font:500 14px/1 var(--sans);color:var(--ink-2);text-decoration:none}
  .topo__folha-site svg,.topo__folha-cta svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
  .topo__folha-cta{display:flex;align-items:center;justify-content:center;gap:10px;height:52px;border-radius:999px;background:var(--navy);color:#fff;
    font:600 15px/1 var(--sans);text-decoration:none;box-shadow:inset 0 0 0 1px rgba(226,184,103,.55),0 10px 20px -12px rgba(11,39,71,.7)}
  .topo__folha-cta:active{transform:scale(.98)}
  .topo__folha-email{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:4px 8px;margin:-8px 0 0;font:400 13px/1.4 var(--sans);color:var(--ink-2)}
  .topo__email{font-weight:500;color:var(--ink);user-select:all;-webkit-user-select:all}
  .topo__copia{position:relative;min-height:32px;padding:0 12px;border:1px solid rgba(198,154,75,.6);border-radius:999px;background:rgba(255,255,255,.7);
    color:var(--ink);font:500 12.5px/1 var(--sans);cursor:pointer}
  .topo__copia::before{content:"";position:absolute;inset:-6px -4px}
  .topo__copia:active{transform:scale(.97)}
  html{scroll-padding-top:64px}
}
@media (max-width:900px) and (prefers-reduced-motion:reduce){
  .topo__painel{transform:none}
}

@media (min-width:901px){ .topo__pilula{display:none} }
/* entre 901 e 1100 px o CTA não cabe ao lado do link do site */
@media (min-width:901px) and (max-width:1100px){ .topo__site,.topo__divisor{display:none} }