/* ===========================================================================
   TEMA CLARO / ESCURO  (NM23, 2026-08-01)
   O site era 100% claro e cansava a vista à noite. Tudo aqui é variável, então
   o tema troca sem redesenhar página nenhuma.
   - Sem escolha do usuário: segue o sistema operacional (prefers-color-scheme)
   - Com escolha: <html data-theme="dark"> ou "light" vence o sistema
   Paleta escura = asfalto (o cinza-chumbo da marca), com o laranja NM23 intacto.
   =========================================================================== */
:root{
  --bg:#FAFAF8; --bg2:#FFFFFF; --ink:#111317; --ink2:#3A3F47; --muted:#6B7280;
  --line:#E6E6E1; --accent:#F26419; --accent-d:#d4530f; --dark:#111317; --dark2:#1A1D22;
  --header-bg:rgba(250,250,248,.85); --hover:#F0EFEA; --shadow:rgba(17,19,23,.09);
  --field:#FFFFFF; --icon-bg:#111317; --code-bg:#F3F3EF;
  --radius:18px;
  color-scheme:light;
}
/* escuro automático (quem não escolheu nada) */
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0E1014; --bg2:#171A20; --ink:#ECEDEF; --ink2:#C3C7CE; --muted:#8B929E;
    --line:#272B33; --accent:#F26419; --accent-d:#FF7C36; --dark:#0A0C0F; --dark2:#12151A;
    --header-bg:rgba(14,16,20,.88); --hover:#20242C; --shadow:rgba(0,0,0,.5);
    --field:#0F1218; --icon-bg:#2A2F3A; --code-bg:#12151A;
    color-scheme:dark;
  }
}
/* escuro escolhido no botão (vence o sistema) */
:root[data-theme="dark"]{
  --bg:#0E1014; --bg2:#171A20; --ink:#ECEDEF; --ink2:#C3C7CE; --muted:#8B929E;
  --line:#272B33; --accent:#F26419; --accent-d:#FF7C36; --dark:#0A0C0F; --dark2:#12151A;
  --header-bg:rgba(14,16,20,.88); --hover:#20242C; --shadow:rgba(0,0,0,.5);
  --field:#0F1218; --icon-bg:#2A2F3A; --code-bg:#12151A;
  color-scheme:dark;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Inter",system-ui,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3,.display{font-family:"Space Grotesk","Inter",sans-serif;letter-spacing:-.02em;line-height:1.1}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.accent,.a{color:var(--accent)}

/* header */
header{position:sticky;top:0;z-index:40;background:var(--header-bg);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:18px;padding:12px 0}
.brand{display:flex;align-items:center;gap:11px;font-family:"Space Grotesk";font-weight:700;font-size:18px}
.brand img{width:40px;height:40px;border-radius:9px;object-fit:contain;background:#111317}
.brand .a{color:var(--accent)}
nav.menu{display:flex;gap:4px;margin-left:8px}
nav.menu a{padding:9px 13px;border-radius:10px;font-weight:600;font-size:15px;color:var(--ink2);transition:.15s}
nav.menu a:hover,nav.menu a.on{color:var(--ink);background:var(--hover)}
.right{margin-left:auto;display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:15px;border-radius:12px;padding:12px 20px;cursor:pointer;border:1px solid transparent;transition:.15s;font-family:inherit}
.btn.primary{background:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-d);transform:translateY(-1px)}
.btn.line{background:var(--bg2);border-color:var(--line);color:var(--ink)}
.btn.line:hover{border-color:var(--accent)}

/* page intro */
.bloghead{padding:54px 0 8px}
.bloghead .kicker{font-family:"Space Grotesk";font-weight:600;color:var(--accent);font-size:14px;letter-spacing:.04em;text-transform:uppercase}
.bloghead h1{font-size:clamp(32px,5vw,50px);font-weight:700;margin-top:10px}
.bloghead p{color:var(--muted);font-size:17px;margin-top:12px;max-width:640px}

/* filters */
.filters{display:flex;gap:9px;flex-wrap:wrap;margin:26px 0 4px}
.filters button{font-family:inherit;font-weight:600;font-size:14px;color:var(--ink2);background:var(--bg2);border:1px solid var(--line);border-radius:30px;padding:9px 16px;cursor:pointer;transition:.15s}
.filters button:hover{border-color:var(--accent)}
.filters button.on{background:var(--ink);color:#fff;border-color:var(--ink)}

/* posts grid */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:30px 0 70px}
.pcard{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.18s}
.pcard:hover{border-color:var(--accent);box-shadow:0 16px 40px var(--shadow);transform:translateY(-4px)}
.pcover{aspect-ratio:16/9;overflow:hidden;background:#111317}
.pcover img{width:100%;height:100%;object-fit:cover}
.pcover.gen{position:relative;display:flex;align-items:center;justify-content:center}
.pcover.gen .genword{font-family:"Space Grotesk";font-weight:700;color:rgba(255,255,255,.92);font-size:clamp(20px,3vw,30px);letter-spacing:.06em}
.pcover.gen .genmark{position:absolute;right:14px;bottom:11px;font-family:"Space Grotesk";font-weight:700;color:rgba(255,255,255,.85);font-size:16px}
.pcover.gen .genmark b{color:#fff}
.pbody{padding:20px 20px 24px;display:flex;flex-direction:column;flex:1}
.pmeta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:11px}
.pbadge{font-weight:700;font-size:11.5px;letter-spacing:.03em;text-transform:uppercase;padding:4px 10px;border-radius:30px}
.pdate{color:var(--muted);font-size:12.5px;font-weight:500}
.ptitle{font-size:20px;font-weight:700;line-height:1.22;margin-bottom:9px}
.pexc{color:var(--ink2);font-size:14.5px;flex:1}
.pmore{margin-top:14px;color:var(--accent);font-weight:700;font-size:14px}
.empty{padding:60px 0;color:var(--muted);text-align:center}

/* single article */
.article{max-width:760px;margin:0 auto;padding:36px 0 70px}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:22px}
.crumbs a:hover{color:var(--accent)}
.article .pmeta{margin-bottom:16px}
.article h1{font-size:clamp(28px,4.6vw,44px);font-weight:700;line-height:1.12;margin-bottom:14px}
.article .lead-img{border-radius:var(--radius);overflow:hidden;margin:24px 0 8px;border:1px solid var(--line)}
.article .lead-img.gen{aspect-ratio:16/7}
.body{font-size:17.5px;color:var(--ink2);line-height:1.75}
.body p{margin:18px 0}
.body h2{font-family:"Space Grotesk";color:var(--ink);font-size:25px;font-weight:700;margin:34px 0 6px}
.body ul{margin:16px 0 16px 22px}
.body li{margin:8px 0}
.body a{color:var(--accent);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.body strong{color:var(--ink)}
.backrow{margin-top:42px;padding-top:26px;border-top:1px solid var(--line);display:flex;gap:12px;flex-wrap:wrap}

/* footer */
footer{background:var(--dark);color:#fff;padding:48px 0 38px;text-align:center;margin-top:10px}
footer .fbrand{font-family:"Space Grotesk";font-weight:700;font-size:24px}
footer .fbrand .a{color:var(--accent)}
footer .fnav{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin:20px 0 8px;color:#aeb2b9;font-size:14px;font-weight:500}
footer .fnav a:hover{color:#fff}
footer .copy{color:#71757c;font-size:13px;margin-top:12px}

.burger{display:none;align-items:center;justify-content:center;background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:7px 9px;cursor:pointer;color:var(--ink)}

/* botão claro/escuro (mesmo visual em todo o site) */
.themebtn{display:inline-flex;align-items:center;justify-content:center;background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:8px 9px;cursor:pointer;color:var(--ink);transition:.15s}
.themebtn:hover{border-color:var(--accent);color:var(--accent)}
.themebtn .i-moon{display:none}
:root[data-theme="dark"] .themebtn .i-sun{display:none}
:root[data-theme="dark"] .themebtn .i-moon{display:block}
@media (prefers-color-scheme: dark){
 :root:not([data-theme="light"]) .themebtn .i-sun{display:none}
 :root:not([data-theme="light"]) .themebtn .i-moon{display:block}
}
@media(max-width:900px){.posts{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){
 .posts{grid-template-columns:1fr}
 header .bar{position:relative}
 .burger{display:inline-flex}
 nav.menu{display:none;position:absolute;left:0;right:0;top:calc(100% + 1px);background:var(--bg2);border-bottom:1px solid var(--line);flex-direction:column;padding:8px;gap:2px;box-shadow:0 16px 34px var(--shadow);margin-left:0}
 nav.menu.open{display:flex}
 nav.menu a{padding:13px 14px;font-size:16px}
}
