:root{
  --bg:#070816; --bg-2:#0d1024; --card:rgba(255,255,255,.07);
  --text:#f6f7fb; --muted:#b9bed4; --cyan:#30e3ff; --purple:#8b5cf6;
  --pink:#ff4ecd; --yellow:#ffd166; --white:#fff; --border:rgba(255,255,255,.13);
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:Inter,Arial,sans-serif;
  background:radial-gradient(circle at top left,rgba(139,92,246,.35),transparent 35%),
             radial-gradient(circle at top right,rgba(48,227,255,.18),transparent 30%),
             linear-gradient(180deg,var(--bg),var(--bg-2));
  background-attachment:fixed;
  color:var(--text);line-height:1.7;
}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(1120px,92%);margin:0 auto}
header{padding:26px 0;position:sticky;top:0;z-index:10;backdrop-filter:blur(16px);
  background:rgba(7,8,22,.72);border-bottom:1px solid var(--border)}
.nav{display:flex;justify-content:space-between;align-items:center}
.logo{font-size:1.45rem;font-weight:800;letter-spacing:-.04em;color:var(--text)}
.logo:hover{text-decoration:none}
.logo span{color:var(--cyan)}
.nav-links a{color:var(--muted);font-size:.95rem;margin-left:24px}
.nav-links a:hover{color:var(--white);text-decoration:none}

.article{width:min(760px,92%);margin:0 auto;padding:56px 0 40px}
.crumb{font-size:.9rem;color:var(--muted);margin-bottom:22px}
.crumb a{color:var(--muted)}
.tag{display:inline-block;color:#07101a;background:var(--yellow);font-size:.75rem;
  font-weight:900;padding:5px 11px;border-radius:999px;margin-bottom:18px;letter-spacing:.02em}
.article h1{font-size:clamp(2rem,4.4vw,3.1rem);line-height:1.08;letter-spacing:-.045em;margin-bottom:18px}
.article-meta{color:var(--muted);font-size:.93rem;border-bottom:1px solid var(--border);padding-bottom:22px;margin-bottom:30px}
.cover{width:100%;border-radius:24px;border:1px solid var(--border);display:block;margin-bottom:34px}
.article-body p{margin-bottom:20px;color:#e7e9f3}
.article-body .lead{font-size:1.16rem;color:var(--muted)}
.article-body h2{font-size:clamp(1.5rem,3vw,2.1rem);letter-spacing:-.035em;line-height:1.15;margin:44px 0 16px}
.article-body h3{font-size:1.22rem;letter-spacing:-.02em;margin:32px 0 12px;color:var(--white)}
.article-body ul,.article-body ol{margin:0 0 22px 22px}
.article-body li{margin-bottom:8px;color:#e7e9f3}
.article-body img{width:100%;height:auto;border-radius:18px;border:1px solid var(--border);display:block}
.article-body figure{margin:28px 0}
.article-body figcaption{color:var(--muted);font-size:.88rem;margin-top:10px;text-align:center}
.article-body blockquote{border-left:3px solid var(--purple);background:rgba(255,255,255,.05);
  border-radius:0 14px 14px 0;padding:16px 20px;margin:26px 0;color:var(--muted)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body strong{color:var(--white)}

.callout{background:var(--card);border:1px solid var(--border);border-radius:22px;padding:26px;margin:34px 0}
.callout h3{margin-top:0}
.callout ol{margin-bottom:0}

.mk-conceito{color:#7dd3fc;font-weight:600}
.mk-referencia{color:#c4b5fd;font-weight:600}
.mk-classificacao{color:#86efac;font-weight:600}
.mk-exemplo{color:#fcd34d;font-weight:600}
.mk-restricao{color:#fca5a5;font-weight:600}

.article-end{margin-top:50px;padding-top:30px;border-top:1px solid var(--border)}
.article-end h3{font-size:1.3rem;letter-spacing:-.02em;margin-bottom:10px}
.article-end p{color:var(--muted);margin-bottom:18px}
.btn{display:inline-flex;justify-content:center;align-items:center;border:0;cursor:pointer;
  font-weight:800;border-radius:14px;padding:15px 22px;font-size:1rem;transition:.2s ease}
.btn-primary{color:#06101a;background:linear-gradient(90deg,var(--cyan),var(--yellow));
  box-shadow:0 18px 40px rgba(48,227,255,.22)}
.btn-primary:hover{transform:translateY(-2px);text-decoration:none}

.index-head{padding:70px 0 10px;text-align:center}
.index-head h1{font-size:clamp(2.2rem,5vw,3.8rem);letter-spacing:-.055em;line-height:1.05;margin-bottom:16px}
.index-head p{color:var(--muted);max-width:680px;margin:0 auto;font-size:1.06rem}
.posts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;padding:40px 0 80px}
.post-card{background:var(--card);border:1px solid var(--border);border-radius:24px;overflow:hidden;
  display:flex;flex-direction:column;transition:.2s ease}
.post-card:hover{transform:translateY(-3px);text-decoration:none;border-color:rgba(48,227,255,.4)}
.post-card img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;background:#0d1024}
.post-card .body{padding:22px}
.post-card h2{font-size:1.2rem;line-height:1.25;letter-spacing:-.02em;margin-bottom:10px;color:var(--text)}
.post-card p{color:var(--muted);font-size:.95rem}

footer{padding:36px 0;border-top:1px solid var(--border);color:var(--muted);text-align:center;font-size:.95rem}
@media(max-width:860px){.nav-links{display:none}}