/* Blog HDEV Pro: mesma identidade da home (Funnel Display/Sans, azul #0a5cff, claro e escuro) */
:root{
  --bg:#f6f6f4;--bg-2:#ffffff;--bg-3:#ececea;--ink:#0c0c0d;--ink-2:#3c3c40;--muted:#6b6b72;
  --line:rgba(12,12,13,.10);--line-2:rgba(12,12,13,.18);--accent:#0a5cff;--accent-soft:#eaf1ff;
  --ok:#14864a;--no:#c62828;
  --shadow:0 1px 2px rgba(12,12,13,.06),0 24px 48px -24px rgba(12,12,13,.22);
  --display:"Funnel Display",system-ui,-apple-system,"Segoe UI",sans-serif;
  --sans:"Funnel Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --wrap:1180px;--gut:clamp(16px,4vw,40px);--r:18px;color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0b0b0d;--bg-2:#141417;--bg-3:#1c1c20;--ink:#f3f3f1;--ink-2:#c9c9ce;--muted:#9a9aa2;
    --line:rgba(255,255,255,.09);--line-2:rgba(255,255,255,.18);--accent:#4d8bff;--accent-soft:#131d33;
    --ok:#4ade80;--no:#f87171;--shadow:0 1px 2px rgba(0,0,0,.4),0 24px 48px -24px rgba(0,0,0,.7);color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0b0b0d;--bg-2:#141417;--bg-3:#1c1c20;--ink:#f3f3f1;--ink-2:#c9c9ce;--muted:#9a9aa2;
  --line:rgba(255,255,255,.09);--line-2:rgba(255,255,255,.18);--accent:#4d8bff;--accent-soft:#131d33;
  --ok:#4ade80;--no:#f87171;--shadow:0 1px 2px rgba(0,0,0,.4),0 24px 48px -24px rgba(0,0,0,.7);color-scheme:dark;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:clip}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:18px;line-height:1.7;-webkit-font-smoothing:antialiased;transition:background .3s,color .3s}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
::selection{background:var(--accent);color:#fff}
h1,h2,h3{font-family:var(--display);letter-spacing:-.025em;line-height:1.12}

/* topo */
.prog{position:fixed;top:0;left:0;height:3px;width:0;background:var(--accent);z-index:60}
.top{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 84%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:24px;height:66px}
.mark{font-family:var(--display);font-weight:800;font-size:1.35rem;letter-spacing:-.04em;text-decoration:none;display:flex;align-items:center;gap:8px}
.mark i{width:24px;height:24px;border-radius:7px;background:var(--accent);display:grid;place-items:center;color:#fff;font-style:normal;font-size:.85rem;font-weight:800;letter-spacing:0}
.nav{display:flex;gap:24px;margin-left:auto}
.nav a{text-decoration:none;font-size:.95rem;font-weight:500;color:var(--ink-2);white-space:nowrap;transition:color .2s}
.nav a:hover{color:var(--accent)}
.theme{width:40px;height:40px;border-radius:12px;border:1px solid var(--line-2);background:transparent;color:var(--ink);display:grid;place-items:center;cursor:pointer;flex:none}
.theme:hover{background:var(--bg-3)}
.theme svg{width:18px;height:18px}
.theme .sun{display:none}
:root[data-theme="dark"] .theme .sun{display:block}:root[data-theme="dark"] .theme .moon{display:none}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .theme .sun{display:block}:root:not([data-theme="light"]) .theme .moon{display:none}}

/* rótulos */
.kicker,.meta,.cta-k,.resposta-k,.toc-t,.calc-t{font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.meta{color:var(--muted);letter-spacing:.06em}
.meta .cat{color:var(--accent)}
.sub{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--ink-2);max-width:62ch}

/* índice */
.b-hero{padding:clamp(56px,9vw,110px) 0 clamp(32px,5vw,56px)}
.b-hero h1{font-size:clamp(2.4rem,6vw,4.6rem);font-weight:800;margin:14px 0 20px;max-width:16ch}
.lista{padding-bottom:clamp(64px,9vw,110px)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:22px}
.card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:transform .35s,box-shadow .35s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card-img img{aspect-ratio:1200/630;object-fit:cover;width:100%}
.card-txt{padding:20px 22px 24px}
.card h2{font-size:1.3rem;margin:8px 0 10px}
.card h2 a{text-decoration:none}
.card h2 a::after{content:"";position:absolute;inset:0}
.card{position:relative}
.card-txt>p:last-child{font-size:.98rem;color:var(--ink-2);line-height:1.6}
.card.grande{display:grid;grid-template-columns:1.15fr 1fr;align-items:center}
.card.grande .card-txt{padding:clamp(22px,4vw,48px)}
.card.grande h2{font-size:clamp(1.6rem,3vw,2.4rem)}

/* artigo */
.post{padding:clamp(28px,5vw,56px) 0 clamp(40px,6vw,72px)}
.trilha{font-size:.88rem;color:var(--muted);margin-bottom:28px}
.trilha a{text-decoration:none}.trilha a:hover{color:var(--accent)}
.trilha span{margin:0 4px}
.post-h{max-width:820px;margin-bottom:clamp(28px,4vw,48px)}
.post-h h1{font-size:clamp(2.1rem,4.8vw,3.6rem);font-weight:800;margin:12px 0 18px}
.autor{font-size:.95rem;color:var(--muted);margin-top:18px}
.post-grid{display:grid;grid-template-columns:minmax(0,720px) 280px;gap:clamp(32px,5vw,72px);align-items:start}
.post-body>*+*{margin-top:1.1em}
.post-body h2{font-size:clamp(1.55rem,2.6vw,2.05rem);margin-top:2.1em;scroll-margin-top:84px}
.post-body h3{font-size:1.25rem;margin-top:1.7em;scroll-margin-top:84px}
.post-body p,.post-body li{color:var(--ink-2)}
.post-body strong{color:var(--ink)}
.post-body ul,.post-body ol{padding-left:1.3em}
.post-body li+li{margin-top:.45em}
.post-body a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}
.post-body blockquote{background:var(--bg-2);border:1px solid var(--line);border-radius:14px;padding:18px 22px;font-size:1.02rem}
.post-body blockquote p{color:var(--ink)}
.resposta{background:var(--accent-soft);border-radius:var(--r);padding:22px 24px}
.resposta p:last-child{color:var(--ink);margin-top:8px;font-size:1.06rem}
.formula{background:var(--bg-2);border:1px solid var(--line-2);border-radius:14px;padding:16px 20px;display:grid;gap:6px}
.formula code{font-family:var(--display);font-weight:700;font-size:clamp(1rem,2vw,1.15rem);color:var(--ink);white-space:normal}
.tabela{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:14px;background:var(--bg-2)}
table{border-collapse:collapse;width:100%;font-size:.97rem}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
td:first-child{white-space:normal;min-width:9em}
th{font-family:var(--display);font-weight:700;font-size:.9rem;background:var(--bg-3);color:var(--ink)}
tr:last-child td{border-bottom:0}
.sobre{border-top:1px solid var(--line);padding-top:22px;margin-top:2.4em!important;font-size:.97rem}

/* sumário lateral */
.toc{position:sticky;top:92px;font-size:.93rem}
.toc ol{list-style:none;margin:12px 0 22px;border-left:1px solid var(--line-2)}
.toc li a{display:block;padding:5px 0 5px 14px;margin-left:-1px;border-left:1px solid transparent;text-decoration:none;color:var(--muted);line-height:1.4;transition:color .2s,border-color .2s}
.toc li a:hover,.toc li a.on{color:var(--ink);border-left-color:var(--accent)}
.toc-cta{display:block;text-decoration:none;background:var(--bg-2);border:1px solid var(--line);border-radius:14px;padding:16px;font-family:var(--display);font-weight:700;transition:box-shadow .3s}
.toc-cta:hover{box-shadow:var(--shadow)}
.toc-cta span{display:block;font-family:var(--sans);font-weight:400;font-size:.88rem;color:var(--muted);margin-top:4px}

/* calculadora */
.calc{background:var(--bg-2);border:1px solid var(--line-2);border-radius:var(--r);padding:22px 24px}
.calc-in{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:12px 0 16px}
.calc label span{display:block;font-size:.85rem;color:var(--muted);margin-bottom:4px;line-height:1.3}
.calc input{width:100%;font:600 1.05rem var(--sans);color:var(--ink);background:var(--bg);border:1px solid var(--line-2);border-radius:10px;padding:10px 12px}
.calc input:focus{outline:2px solid var(--accent);outline-offset:1px}
.calc-out{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.calc-out div{background:var(--bg-3);border-radius:12px;padding:12px 14px}
.calc-out span{display:block;font-size:.82rem;color:var(--muted);line-height:1.3}
.calc-out b{font-family:var(--display);font-size:1.35rem;color:var(--ink)}
.calc-out b.ok{color:var(--ok)}.calc-out b.no{color:var(--no)}
.calc-out p{grid-column:1/-1;font-size:.95rem;color:var(--ink-2)}

/* chamada para a planilha */
.cta{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:center;background:#0c1a3a;color:#fff;border-radius:22px;padding:clamp(22px,4vw,36px);margin:2.2em 0}
.cta p{color:#c9d6f2}
.cta .cta-k{color:#8fb4ff}
.cta-h{font-family:var(--display);font-weight:800;font-size:clamp(1.35rem,2.4vw,1.75rem);line-height:1.15;color:#fff!important;margin:6px 0 10px}
.cta strong{color:#fff}
.btn{display:inline-flex;align-items:center;margin-top:18px;background:var(--accent);color:#fff!important;text-decoration:none!important;font-family:var(--display);font-weight:700;padding:14px 22px;border-radius:12px;transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px -12px rgba(10,92,255,.8)}
.cta-mini{display:grid;grid-template-columns:1fr 1fr;gap:8px;background:#fff;border-radius:16px;padding:12px}
.cta-mini div{background:#f2f4f8;border-radius:10px;padding:10px 12px}
.cta-mini span{display:block;font-size:.72rem;color:#6b7280}
.cta-mini b{font-family:var(--display);font-size:1.15rem;color:#1e2a44}
.cta-mini b.ok{color:#16a34a}.cta-mini b.no{color:#dc2626}
.lista .cta{margin-top:40px}

/* relacionados */
.relacionados{padding:clamp(48px,7vw,88px) 0;border-top:1px solid var(--line);background:var(--bg-2)}
.relacionados h2{font-size:clamp(1.6rem,3vw,2.2rem)}
.relacionados .card{background:var(--bg)}

.foot{border-top:1px solid var(--line);padding:30px 0 40px;font-size:.88rem;color:var(--muted)}
.foot .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.foot nav{display:flex;gap:18px;flex-wrap:wrap}
.foot a{text-decoration:none}.foot a:hover{color:var(--accent)}

/* revelação suave */
.rv{opacity:0;translate:0 18px;transition:opacity .7s ease,translate .7s ease}
.rv.vis{opacity:1;translate:0 0}

@media (max-width:1060px){
  .post-grid{grid-template-columns:minmax(0,1fr)}
  .toc{display:none}
  .cards{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  body{font-size:17px}
  .cards{grid-template-columns:1fr}
  .card.grande{grid-template-columns:1fr}
  .cta{grid-template-columns:1fr}
  .so-largo{display:none}
  .nav{gap:16px}
}
@media (max-width:380px){
  .top .wrap{gap:12px}
  .mark{font-size:1.15rem}
  .nav a{font-size:.88rem}
}
@media print{.top,.toc,.cta,.relacionados,.foot,.prog,.calc{display:none}}