/* Layout: observatório — coluna editorial central, uma régua de certeza como assinatura; seções do artigo marcadas na margem pelo nível de certeza */
:root{
  --bg:#F3F5F9; --surface:#FFFFFF; --ink:#111A2C; --muted:#586379; --line:#D7DDE8;
  --accent:#0A6C77; --accent-soft:#DDEFF1; --spec:#6B5A2E; --spec-soft:#F3EDDC;
  --display:"Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --body:"Source Serif 4", Georgia, "Times New Roman", serif;
  --mono:"JetBrains Mono", ui-monospace, Menlo, monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0C111B; --surface:#141B28; --ink:#E5E9F1; --muted:#97A1B4; --line:#263044;
  --accent:#4EC3CD; --accent-soft:#12343A; --spec:#D9C48E; --spec-soft:#2E2918; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0C111B; --surface:#141B28; --ink:#E5E9F1; --muted:#97A1B4; --line:#263044;
  --accent:#4EC3CD; --accent-soft:#12343A; --spec:#D9C48E; --spec-soft:#2E2918; color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6}
a{color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);text-wrap:balance;line-height:1.1;margin:0}
.label{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.proto{background:var(--ink);color:var(--bg);font-family:var(--mono);font-size:12px;text-align:center;padding-block:6px}

/* header */
header.site{border-bottom:1px solid var(--line);background:var(--bg)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:18px;flex-wrap:wrap}
.logo{font-family:var(--display);font-weight:800;font-size:28px;letter-spacing:-.02em;text-decoration:none}
.logo span{color:var(--accent)}
.bar nav{display:flex;gap:18px;flex-wrap:wrap;font-family:var(--display);font-size:15px}
.bar nav a{text-decoration:none;color:var(--muted)} .bar nav a:hover{color:var(--ink)}
.btn{font-family:var(--display);font-weight:600;font-size:15px;background:var(--accent);color:var(--surface);border:0;border-radius:4px;padding:10px 16px;text-decoration:none;cursor:pointer}
.pillars{display:flex;gap:6px 20px;flex-wrap:wrap;padding-block:10px;border-top:1px solid var(--line)}
.pillars a{font-family:var(--mono);font-size:12px;text-decoration:none;color:var(--muted)}
.pillars a b{color:var(--accent);font-weight:600}

/* selos de certeza: a forma codifica o nível */
.selo{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;border-radius:3px;white-space:nowrap}
.selo::before{content:"";width:9px;height:9px;border-radius:50%}
.s-fato{background:var(--ink);color:var(--bg)} .s-fato::before{background:var(--bg)}
.s-tend{background:var(--accent-soft);color:var(--accent)} .s-tend::before{background:linear-gradient(90deg,var(--accent) 50%,transparent 50%);border:1px solid var(--accent)}
.s-espec{border:1px dashed var(--spec);color:var(--spec);background:var(--spec-soft)} .s-espec::before{border:1px dashed var(--spec)}

/* hero */
.hero{padding-block:56px 36px;display:grid;gap:28px}
.hero h1{font-size:clamp(34px,5.6vw,64px);font-weight:800;letter-spacing:-.03em;max-width:18ch}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{max-width:60ch;color:var(--muted);margin:0;font-size:19px}
.regua{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:6px;overflow:hidden;background:var(--surface)}
.regua button{all:unset;cursor:pointer;padding:14px 16px;display:grid;gap:6px;border-right:1px solid var(--line)}
.regua button:last-child{border-right:0}
.regua button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.regua button[aria-pressed="true"]{background:var(--accent-soft)}
.regua small{font-family:var(--body);font-size:14px;color:var(--muted);line-height:1.35}
.regua-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.limpar{all:unset;cursor:pointer;font-family:var(--mono);font-size:12px;color:var(--accent);text-decoration:underline}

/* feed */
.feed{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:40px;padding-block:20px 56px}
.destaque{display:grid;gap:14px;align-content:start;text-decoration:none}
.destaque .capa{aspect-ratio:16/9;max-width:100%;border-radius:6px;background:var(--surface);border:1px solid var(--line);position:relative;overflow:hidden}
.destaque canvas{width:100%;height:100%;display:block}
.destaque h2{font-size:clamp(26px,3vw,36px);font-weight:600;letter-spacing:-.02em}
.destaque:hover h2{color:var(--accent)}
.destaque p{margin:0;color:var(--muted)}
.lista{display:grid;align-content:start}
.item{display:grid;gap:6px;padding-block:16px;border-bottom:1px solid var(--line);text-decoration:none}
.item:first-child{padding-top:0}
.item h3{font-size:20px;font-weight:600;letter-spacing:-.01em}
.item:hover h3{color:var(--accent)}
.meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.vazio{color:var(--muted);font-style:italic;padding-block:16px}

/* faixa boletim */
.boletim{background:var(--surface);border-block:1px solid var(--line)}
.boletim .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;padding-block:44px;align-items:center}
.boletim h2{font-size:32px;font-weight:800;letter-spacing:-.02em}
.boletim ol{margin:12px 0 0;padding-left:20px;color:var(--muted);font-size:15.5px}
form.assina{display:flex;gap:8px;flex-wrap:wrap}
form.assina input{flex:1 1 220px;min-width:0;font:inherit;font-size:16px;padding:10px 12px;border:1px solid var(--line);border-radius:4px;background:var(--bg);color:var(--ink)}
.ok{font-family:var(--mono);font-size:13px;color:var(--accent);margin-top:8px}

footer{padding-block:36px;color:var(--muted);font-size:14.5px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:var(--muted)}

/* artigo */
.artigo{display:grid;grid-template-columns:150px minmax(0,680px);gap:0 40px;justify-content:center;padding-block:48px 64px}
.artigo > *{grid-column:2}
.crumbs{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:18px}
.crumbs a{font-family:var(--mono);font-size:12px;color:var(--accent);text-decoration:none}
.artigo h1{font-size:clamp(34px,5vw,54px);font-weight:800;letter-spacing:-.03em}
.dek{font-size:21px;color:var(--muted);margin:18px 0}
.autoria{display:flex;gap:14px;flex-wrap:wrap;padding-block:14px;border-block:1px solid var(--line);margin-bottom:28px}
.aviso{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:16px 18px;font-size:15.5px;margin-bottom:12px;display:grid;gap:10px}
.aviso .meta{gap:8px}
.bloco{display:contents}
.bloco .margem{grid-column:1;padding-top:34px;text-align:right}
.bloco .texto{grid-column:2}
.texto h2{font-size:26px;font-weight:600;letter-spacing:-.015em;margin:34px 0 10px}
.texto p{margin:0 0 16px}
blockquote{margin:20px 0;padding-left:18px;border-left:3px solid var(--accent);font-style:italic}
.correcoes{margin-top:28px;font-size:14.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}

/* sobre */
.sobre{max-width:720px;margin:0 auto;padding-block:52px 64px}
.sobre h1{font-size:clamp(34px,5vw,52px);font-weight:800;letter-spacing:-.03em;margin-bottom:20px}
.sobre h2{font-size:24px;font-weight:600;margin:32px 0 10px}
.niveis{display:grid;gap:12px;margin:16px 0}
.niveis div{display:grid;grid-template-columns:130px minmax(0,1fr);gap:14px;align-items:start}

@media (max-width:820px){
  .feed,.boletim .wrap{grid-template-columns:minmax(0,1fr)}
  .artigo{grid-template-columns:minmax(0,1fr)}
  .artigo > *, .bloco .texto, .bloco .margem{grid-column:1}
  .bloco .margem{text-align:left;padding-top:22px}
  .texto h2{margin-top:8px}
  .regua{grid-template-columns:minmax(0,1fr)}
  .regua button{border-right:0;border-bottom:1px solid var(--line)}
  .regua button:last-child{border-bottom:0}
  .niveis div{grid-template-columns:minmax(0,1fr);gap:4px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* acréscimos do site */
.secao-titulo{padding-block:44px 8px;display:grid;gap:8px}
.secao-titulo h1{font-size:clamp(30px,4.6vw,46px);font-weight:800;letter-spacing:-.03em}
.secao-titulo p{margin:0;color:var(--muted);max-width:60ch}
.pillars a[aria-current="page"]{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.bar nav a[aria-current="page"]{color:var(--ink)}
.erro{padding-block:80px;display:grid;gap:14px;max-width:640px}
.erro h1{font-size:44px;font-weight:800}
.texto img{border-radius:6px}
.texto ul,.texto ol{padding-left:22px;margin:0 0 16px}
.texto a{color:var(--accent)}
.texto code{font-family:var(--mono);font-size:.88em;background:var(--surface);border:1px solid var(--line);border-radius:3px;padding:1px 5px}
.texto table{border-collapse:collapse;width:100%;font-size:15.5px;margin:0 0 16px}
.texto th,.texto td{border-bottom:1px solid var(--line);padding:8px 10px;text-align:left}
.tabela-rolagem{overflow-x:auto}
.mais{padding-top:16px}
.mais a{font-family:var(--mono);font-size:12px;color:var(--accent)}
[hidden]{display:none!important}
body{margin:0}
img{max-width:100%;height:auto}
.regua .selo{justify-self:start}
.feed.unico{grid-template-columns:minmax(0,760px)}
.regua button{align-content:start}
/* páginas de pilar */
.secao-titulo .chamada{font-size:21px;line-height:1.5;max-width:52ch}
.pilar{display:grid;grid-template-columns:minmax(0,680px) minmax(0,1fr);gap:56px;padding-block:20px 64px;align-items:start}
.pilar-texto h2{font-size:24px;font-weight:600;letter-spacing:-.015em;margin:30px 0 10px}
.pilar-texto h2:first-child{margin-top:0}
.pilar-texto p,.pilar-texto ul{margin:0 0 14px}
.pilar-texto li{margin-bottom:6px}
.pilar-lista{display:grid;gap:14px;position:sticky;top:20px;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:20px}
.pilar-lista .item:last-child{border-bottom:0}
.outros-pilares{display:grid;gap:8px;border-top:1px solid var(--line);padding-top:16px}
.outros-pilares a{font-family:var(--mono);font-size:12.5px;text-decoration:none;color:var(--muted)}
.outros-pilares a:hover{color:var(--ink)}
.outros-pilares b{color:var(--accent)}
@media (max-width:820px){.pilar{grid-template-columns:minmax(0,1fr);gap:32px}.pilar-lista{position:static}}
footer .patrocinador{font-family:var(--display);font-weight:600;color:var(--ink)}