/* ============================================================
   DocenteIA — sistema de design editorial
   Voz híbrida: Fraunces (serifa display) + Inter (corpo/UI) + IBM Plex Mono (labels).
   Paleta e componentes inspirados em handout-material-didatico.html e
   proposta_seminario_fisica.html (azul institucional + dourado, "folha" premium).
   Interpretação, não cópia.
   ============================================================ */
:root{
  --paper:#F4F1E9; --paper-2:#ECE7DB; --ink:#0E2E2C; --card:#FFFFFF;
  --text:#23312F; --muted:#5C6B68; --line:#E2DED2;

  --uepa:#003882; --uepa-soft:#1C56A8; --uepa-deep:#002a63; --uepa-tint:#E5EDF8; --uepa-08:rgba(0,56,130,.08);
  --gold:#D29114; --gold-bright:#E7B84B; --gold-tint:#FBF1DA;
  --laranja:#C35500; --laranja-tint:#F7ECE0;
  --amarelo:#FFF8D2;
  --ok:#1E7832; --ok-tint:#E9F4EC;
  --info-tint:#DAE9FF;

  --serif:'Fraunces',Georgia,'Times New Roman',serif;
  --sans:'Inter',system-ui,-apple-system,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;

  --shadow:0 18px 50px -26px rgba(14,46,44,.45);
  --shadow-sm:0 6px 22px -14px rgba(14,46,44,.4);
  --radius:16px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; color:var(--text);
  font-family:var(--sans);font-size:17px;line-height:1.62;
  background:
    radial-gradient(1100px 680px at 88% -10%, rgba(0,56,130,.07), transparent 60%),
    radial-gradient(880px 560px at -8% 112%, rgba(195,85,0,.06), transparent 55%),
    var(--paper);
  background-attachment:fixed;
}
body::before{
  content:""; position:fixed; inset:0; z-index:0; pointer-events:none; opacity:.5;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/></svg>");
  mix-blend-mode:multiply;
}
h1,h2,h3{font-family:var(--serif);color:var(--ink);font-weight:600;line-height:1.08;letter-spacing:-.01em;
  font-optical-sizing:auto;margin:0}
a{color:var(--uepa)}
.wrap{position:relative;z-index:1;max-width:1080px;margin:0 auto;padding:0 22px}
.mono{font-family:var(--mono)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--uepa);font-weight:500}
:focus-visible{outline:2px solid var(--uepa);outline-offset:2px;border-radius:6px}

/* ───────── topo ───────── */
.top{position:sticky;top:0;z-index:30;background:rgba(244,241,233,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:700;font-size:21px;color:var(--ink);text-decoration:none}
.mark{width:32px;height:32px;border-radius:9px;background:var(--uepa);position:relative;flex:none;box-shadow:var(--shadow-sm)}
.mark::before,.mark::after{content:"";position:absolute;left:6px;width:14px;height:3px;border-radius:2px;background:#fff}
.mark::before{top:11px}.mark::after{top:18px;background:var(--gold-bright)}

/* navegação âncora (estilo proposta_seminario_fisica.html) */
.topnav{display:flex;gap:2px;margin:0 auto;overflow-x:auto;scrollbar-width:none}
.topnav::-webkit-scrollbar{display:none}
.topnav a{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);
  text-decoration:none;padding:7px 11px;border-radius:8px;white-space:nowrap;transition:.16s var(--ease)}
.topnav a:hover{background:var(--uepa-tint);color:var(--uepa)}
.topnav a.active{color:var(--uepa);font-weight:500}
@media(max-width:860px){.topnav{display:none}}
section[id]{scroll-margin-top:84px}

/* ───────── botões / forms ───────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;
  background:var(--uepa);color:#fff;font:600 16px/1 var(--sans);padding:14px 22px;border-radius:12px;
  transition:background .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease)}
.btn:hover{background:var(--uepa-deep);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn:active{transform:translateY(0)}
.btn.sec{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.sec:hover{border-color:var(--uepa);background:#fff}
.btn.laranja{background:var(--laranja)}.btn.laranja:hover{background:#a4561f}
.btn.lg{padding:16px 28px;font-size:17px;border-radius:14px}
label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin:14px 0 6px}
input,select,textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:11px;background:#fff;font:15px var(--sans);color:var(--text);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
textarea{resize:vertical;line-height:1.5;font-family:var(--sans)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--uepa-soft);box-shadow:0 0 0 3px var(--uepa-tint)}
.field{position:relative}
.field.ok input{border-color:var(--uepa-soft)}
.field.ok::after{content:"✓";position:absolute;right:12px;top:38px;color:var(--ok);font-weight:700;animation:pop .25s var(--ease)}
@keyframes pop{from{opacity:0;transform:scale(.6)}to{opacity:1;transform:none}}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:560px){.row2{grid-template-columns:1fr}}
.erro{color:#9b2c2c;font-size:14px;margin-top:10px;min-height:18px}
.hint{color:var(--muted);font-size:12.5px;margin:8px 0 0;line-height:1.4}

/* ───────── HERO ───────── */
.hero{padding:64px 0 28px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
@media(max-width:880px){.hero-grid{grid-template-columns:1fr;gap:28px}}
.hero h1{font-size:clamp(38px,6.2vw,64px);max-width:14ch;font-weight:600}
.hero h1 .em{color:var(--laranja);font-style:italic}
.hero .lead{font-size:19px;color:var(--muted);max-width:46ch;margin:18px 0 0}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:26px}
.hero-cta .micro{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.02em}
.hero-cta .micro b{color:var(--uepa)}

/* régua dourada (assinatura editorial) */
.rule-gold{height:2px;width:min(280px,60%);border:none;margin:20px 0 0;
  background:linear-gradient(90deg,var(--gold),rgba(210,145,20,0))}

/* ───────── seções / cabeçalho de seção ───────── */
.section{padding:36px 0}
.sec-head{margin:0 0 22px}
.sec-head h2{font-size:clamp(26px,3.6vw,38px);font-weight:600;position:relative;padding-bottom:12px}
.sec-head h2::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:120px;
  background:linear-gradient(90deg,var(--gold),rgba(210,145,20,0));border-radius:2px}
.sec-head .eyebrow{display:block;margin-bottom:10px}
.sec-head .sub{color:var(--muted);max-width:60ch;margin:10px 0 0;font-size:16.5px}

/* ───────── autocard ───────── */
.authcard{position:relative;z-index:1;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px;
  box-shadow:var(--shadow);border-top:4px solid var(--uepa)}
.authcard .ac-title{font-family:var(--serif);font-weight:600;font-size:20px;margin:0 0 4px}
.authcard .ac-sub{font-size:13.5px;color:var(--muted);margin:0 0 16px}
.tabs{display:flex;gap:8px;margin-bottom:8px}
.tabs button{flex:1;background:none;border:1px solid var(--line);border-radius:999px;padding:9px;font:600 14px var(--sans);color:var(--muted);cursor:pointer;transition:.18s var(--ease)}
.tabs button.on{background:var(--uepa);color:#fff;border-color:var(--uepa)}
.consent{display:block;font-size:12.5px;color:var(--muted);margin-top:14px;line-height:1.5}
.consent a{color:var(--uepa)}
.cf-turnstile{margin-top:16px;min-height:0}

/* ───────── cards (base + semânticos) — sistema do handout ───────── */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cards.cols-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:820px){.cards,.cards.cols-2{grid-template-columns:1fr}}
.card{position:relative;background:var(--card);border:1px solid var(--line);border-top:4px solid var(--uepa);
  border-radius:14px;padding:22px;text-align:left;display:flex;flex-direction:column;gap:9px;overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
button.card{cursor:pointer;font-family:inherit}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--uepa)}
.card .ch{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--laranja)}
.card h3{font-size:21px;font-weight:600;margin:0}
.card p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.5}
.card .selo{margin-top:2px;font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--uepa)}
.card .ico{width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--uepa-tint);color:var(--uepa);font-size:21px}
/* acentos semânticos por cartão */
.card.c-info{border-top-color:var(--uepa)} .card.c-info .ico{background:var(--info-tint)}
.card.c-gold{border-top-color:var(--gold)} .card.c-gold .ch{color:var(--gold)} .card.c-gold .ico{background:var(--gold-tint);color:var(--gold)}
.card.c-ok{border-top-color:var(--ok)} .card.c-ok .ch{color:var(--ok)} .card.c-ok .ico{background:var(--ok-tint);color:var(--ok)}
.card.c-laranja{border-top-color:var(--laranja)} .card.c-laranja .ico{background:var(--laranja-tint);color:var(--laranja)}

/* ───────── showcase de módulos (lista interativa + folha real) ───────── */
.showcase{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(24px,4vw,48px);align-items:start}
@media(max-width:880px){.showcase{grid-template-columns:1fr}}
.show-nav{display:flex;flex-direction:column;gap:2px;position:sticky;top:88px}
@media(max-width:880px){.show-nav{position:static;flex-direction:row;flex-wrap:wrap;gap:8px}}
.show-item{background:none;border:none;cursor:pointer;text-align:left;padding:14px 16px;border-radius:12px;
  font-family:var(--serif);font-weight:600;font-size:clamp(22px,2.8vw,30px);line-height:1.15;
  color:var(--line);-webkit-text-stroke:.2px var(--muted);transition:color .22s var(--ease),background .22s var(--ease)}
.show-item:hover{color:var(--muted)}
.show-item.on{color:var(--ink);-webkit-text-stroke:0;background:var(--uepa-08);position:relative}
.show-item.on::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--gold),var(--uepa))}
.show-item span{display:none;font-family:var(--sans);font-weight:400;font-size:14px;color:var(--muted);
  line-height:1.5;margin-top:6px;-webkit-text-stroke:0}
.show-item.on span{display:block}
@media(max-width:880px){
  .show-item{font-size:16px;padding:9px 14px;border:1px solid var(--line);border-radius:999px;color:var(--muted);-webkit-text-stroke:0}
  .show-item.on{border-color:var(--uepa);background:var(--uepa-tint)}
  .show-item.on::before{display:none}
  .show-item span,.show-item.on span{display:none}
}
.show-stage .show-sheet{font-size:14px}
.show-stage .show-sheet{animation:sheetIn .45s var(--ease)}
@keyframes sheetIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ───────── planos ───────── */
.card.plan{gap:12px}
.card.plan .plan-price{font-family:var(--serif);font-weight:700;font-size:30px;color:var(--ink);line-height:1}
.card.plan .plan-price span{font-family:var(--mono);font-size:12.5px;font-weight:400;color:var(--muted);letter-spacing:.02em}
.plan-list{list-style:none;margin:0 0 10px;padding:0}
.plan-list li{padding:7px 0 7px 26px;position:relative;font-size:14.5px;color:var(--text);border-bottom:1px dashed var(--line)}
.plan-list li:last-child{border-bottom:none}
.plan-list li::before{content:"✓";position:absolute;left:2px;color:var(--ok);font-weight:700}
.card.plan-hi{box-shadow:var(--shadow);border-color:var(--gold);background:linear-gradient(180deg,#fffdf6,#fff)}

/* ───────── two-col com separador (comparações) ───────── */
.two-col{display:grid;grid-template-columns:1fr auto 1fr;gap:0 26px;align-items:stretch}
.two-col .col-sep{width:1px;background:var(--line)}
@media(max-width:760px){.two-col{grid-template-columns:1fr}.two-col .col-sep{display:none}}

/* ───────── passos "como funciona" ───────── */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:st}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
.step{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;position:relative}
.step::before{counter-increment:st;content:counter(st);font-family:var(--serif);font-weight:700;font-size:30px;color:var(--gold);
  display:block;margin-bottom:6px}
.step h3{font-size:18px;font-weight:600;margin:0 0 5px}
.step p{margin:0;font-size:14.5px;color:var(--muted)}

/* ───────── faixa de ética/confiança ───────── */
.trust{background:linear-gradient(140deg,var(--uepa) 0%,var(--uepa-deep) 100%);color:#fff;border-radius:var(--radius);
  padding:clamp(26px,4vw,44px);position:relative;overflow:hidden}
.trust::after{content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background:radial-gradient(440px 280px at 110% -20%, rgba(231,184,75,.30), transparent 60%)}
.trust>*{position:relative;z-index:1}
.trust .eyebrow{color:var(--gold-bright)}
.trust h2{color:#fff;font-size:clamp(24px,3.4vw,34px);max-width:22ch;margin:8px 0 0}
.trust .pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px}
@media(max-width:760px){.trust .pillars{grid-template-columns:1fr}}
.trust .pillar{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:12px;padding:16px 18px}
.trust .pillar b{display:block;font-family:var(--serif);font-weight:600;font-size:17px;margin-bottom:4px}
.trust .pillar span{font-size:13.5px;color:rgba(255,255,255,.82);line-height:1.5}

/* ───────── FAQ / anexos colapsáveis (padrão handout) ───────── */
.collapsible{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--card);margin-bottom:10px}
.collapsible>summary{cursor:pointer;list-style:none;padding:16px 20px;font-family:var(--serif);font-weight:600;font-size:17px;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:12px}
.collapsible>summary::-webkit-details-marker{display:none}
.collapsible>summary::after{content:"+";font-family:var(--mono);font-size:20px;color:var(--uepa);transition:transform .25s var(--ease)}
.collapsible[open]>summary::after{content:"−"}
.collapsible>summary:hover{color:var(--uepa)}
.collapsible .cbody{padding:0 20px 18px;color:var(--text);font-size:15.5px;line-height:1.6}
.collapsible .cbody p{margin:0}

/* ───────── pill de créditos ───────── */
.credit-pill{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12.5px;color:var(--ink);
  background:var(--uepa-tint);border:1px solid var(--line);border-radius:999px;padding:6px 13px}
.credit-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--uepa)}
.credit-pill .prem{color:var(--laranja)}

/* ───────── carregamento / ações ───────── */
.loading{display:none;text-align:center;padding:26px 0;color:var(--muted)}
.loading.show{display:block}
.spin{width:38px;height:38px;border:4px solid var(--uepa-tint);border-top-color:var(--uepa);border-radius:50%;margin:0 auto 14px;animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.ethics{display:flex;gap:9px;background:var(--amarelo);border-left:4px solid var(--laranja);padding:12px 14px;border-radius:9px;margin:16px 0;font-size:13px;color:#5a3c22}
.acts{display:flex;gap:11px;flex-wrap:wrap;align-items:center;margin:16px 0 30px}
.hidden{display:none}

/* ───────── rodapé ───────── */
.foot{position:relative;z-index:1;border-top:1px solid var(--line);margin-top:40px;padding:30px 0 56px;color:var(--muted);font-size:14px}
.foot .wrap{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:space-between}
.foot a{color:var(--uepa);text-decoration:none}
.foot a:hover{text-decoration:underline}
.foot .brand{font-size:18px}

/* ============================================================
   DOCUMENTO GERADO (.sheet) — sistema .doc (capa, callouts, grid, anexos)
   ============================================================ */
.sheet{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;font-size:15.5px;line-height:1.62;color:var(--text);
  --sheet-pad:clamp(22px,5vw,52px)}
.sheet>*{padding-left:var(--sheet-pad);padding-right:var(--sheet-pad)}
.sheet>*:first-child{padding-top:0}
.doc-cover{padding:clamp(26px,5vw,44px) clamp(22px,5vw,52px) clamp(28px,5vw,40px) !important;
  background:linear-gradient(140deg,var(--uepa) 0%,var(--uepa-deep) 100%);color:#fff;position:relative;overflow:hidden;margin-bottom:6px}
.doc-cover::after{content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background:radial-gradient(440px 280px at 110% -20%, rgba(231,184,75,.30), transparent 60%),
             radial-gradient(380px 260px at -10% 130%, rgba(255,255,255,.10), transparent 60%)}
.doc-cover>*{position:relative;z-index:1}
.doc-cover .eyebrow{color:var(--gold-bright)}
.doc-cover h2{color:#fff;font-size:clamp(24px,4vw,38px);margin:6px 0 0;max-width:20ch}
.doc-cover .meta{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.doc-cover .chip-meta{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:12px;color:#fff;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);padding:6px 12px;border-radius:999px}
.sheet h1{font-size:clamp(22px,3.4vw,28px);margin:26px 0 4px;color:var(--uepa)}
.sheet h2{font-size:clamp(19px,3vw,24px);margin:28px 0 4px;color:var(--uepa);position:relative;padding-bottom:8px}
.sheet h2::after{content:"";position:absolute;left:clamp(22px,5vw,52px);right:clamp(22px,5vw,52px);bottom:0;height:2px;
  background:linear-gradient(90deg,var(--uepa),rgba(0,56,130,.08));border-radius:2px}
.sheet h3{font-size:17.5px;margin:20px 0 4px;color:var(--ink)}
/* capa: o título é branco sobre o gradiente azul — vence o .sheet h2 acima
   (bug histórico: mesma especificidade fazia o azul ganhar do branco) */
.sheet .doc-cover h2{color:#fff;padding-bottom:0}
.sheet .doc-cover h2::after{display:none}
.sheet p{margin:0 0 1em}
.sheet strong{color:var(--ink)}
.sheet ul,.sheet ol{margin:0 0 1em;padding-left:var(--sheet-pad)}
.sheet li{margin-bottom:7px}
.sheet code{font-family:var(--mono);font-size:.92em;background:var(--uepa-tint);padding:1px 5px;border-radius:5px}
.sheet pre{background:var(--ink);color:#eef;padding:14px 16px;border-radius:10px;overflow-x:auto}
.sheet pre code{background:none;color:inherit}
.sheet hr{border:none;border-top:1px solid var(--line);margin:22px 0}
.sheet a{color:var(--uepa)}
.sheet blockquote{margin:20px 0;padding:16px 18px;border:1px solid #ecd98a;border-left:5px solid var(--laranja);
  background:var(--amarelo);border-radius:0 12px 12px 0;color:#5a3c22}
.sheet blockquote p:last-child{margin-bottom:0}
.sheet table{border-collapse:collapse;width:100%;margin:18px 0;font-size:14.5px;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.sheet thead th{background:var(--uepa);color:#fff;font-weight:600;text-align:left;padding:11px 13px;font-size:13.5px}
.sheet td{padding:10px 13px;border-top:1px solid var(--line);vertical-align:top}
.sheet tbody tr:nth-child(even){background:#faf9f4}
.sheet.slides hr{border:none;border-top:2px dashed var(--line);margin:26px 0}

/* anexos colapsáveis DENTRO do material gerado (gabarito/rubrica) */
.sheet details.anexo{margin:18px clamp(22px,5vw,52px);border:1px solid var(--uepa);border-radius:8px;overflow:hidden;padding:0}
.sheet details.anexo>summary{cursor:pointer;list-style:none;background:var(--uepa);color:#fff;font-weight:600;
  font-family:var(--serif);padding:10px 16px;display:flex;justify-content:space-between;align-items:center}
.sheet details.anexo>summary::-webkit-details-marker{display:none}
.sheet details.anexo>summary::after{content:"▾";font-size:.85em;opacity:.85}
.sheet details.anexo:not([open])>summary::after{content:"▸"}
.sheet details.anexo .anexo-body{padding:12px 16px}

/* ============================================================
   MOTION
   ============================================================ */
.fx{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s var(--ease)}
.fx.in{opacity:1;transform:none}
.reveal>*{opacity:0;transform:translateY(14px);animation:rise .7s var(--ease) forwards}
.reveal>*:nth-child(1){animation-delay:.05s}.reveal>*:nth-child(2){animation-delay:.13s}
.reveal>*:nth-child(3){animation-delay:.21s}.reveal>*:nth-child(4){animation-delay:.29s}
.reveal>*:nth-child(5){animation-delay:.37s}.reveal>*:nth-child(6){animation-delay:.45s}
@keyframes rise{to{opacity:1;transform:none}}
.cards.reveal .card,.steps.reveal .step{opacity:0;transform:translateY(16px);animation:rise .6s var(--ease) forwards}
.cards.reveal .card:nth-child(1),.steps.reveal .step:nth-child(1){animation-delay:.06s}
.cards.reveal .card:nth-child(2),.steps.reveal .step:nth-child(2){animation-delay:.14s}
.cards.reveal .card:nth-child(3),.steps.reveal .step:nth-child(3){animation-delay:.22s}
.cards.reveal .card:nth-child(4){animation-delay:.30s}
.cards.reveal .card:nth-child(5){animation-delay:.38s}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none !important;transition:none !important}
  .fx,.reveal>*,.cards.reveal .card,.steps.reveal .step{opacity:1 !important;transform:none !important}
}

/* ============================================================
   IMPRESSÃO — folha A4
   ============================================================ */
@media print{
  @page{size:A4;margin:18mm 16mm}
  html{scroll-behavior:auto}
  body{background:#fff}
  body::before{display:none}
  .top,.acts,.ethics,.no-print,.foot,.cards,#form,#hist{display:none !important}
  *{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .sheet{border:none;box-shadow:none;border-radius:0}
  .sheet>*{padding-left:0;padding-right:0}
  .doc-cover{border-radius:0;break-after:avoid;padding:14mm 12mm !important;margin:0 0 6mm}
  .doc-cover h2{font-size:20pt}
  .sheet h1,.sheet h2,.sheet h3{break-after:avoid}
  .sheet h2::after{left:0;right:0}
  .sheet blockquote,.sheet table,.sheet pre,.sheet li{break-inside:avoid}
  .sheet thead{display:table-header-group}
  .sheet details.anexo{break-inside:avoid;margin:14px 0}
  .sheet details.anexo[open] .anexo-body,.sheet details.anexo .anexo-body{display:block}
  .sheet a{color:var(--ink);text-decoration:none}
  .sheet.slides hr{page-break-after:always;border:none;margin:0}
}