:root{
  --bg:#0b0d12;
  --text:#e9ecf2;
  --muted:#a7afc2;
  --line:rgba(255,255,255,.10);
  --shadow: 0 10px 35px rgba(0,0,0,.35);

  /* subtle “M365 neon” accents */
  --neon1:#7c3aed;
  --neon2:#ec4899;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(1200px 800px at 20% -10%, rgba(124,58,237,.22), transparent 60%),
    radial-gradient(900px 600px at 90% 10%, rgba(236,72,153,.16), transparent 55%),
    var(--bg);
  color:var(--text);
  line-height:1.55;
}

.container{max-width:1100px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.small{font-size:12px}

.topbar{
  position:sticky; top:0; z-index:50;
  background: rgba(11,13,18,.78);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{
  color:var(--text); text-decoration:none; font-weight:900; letter-spacing:.3px;
  font-size:18px;
}
.neon-dot{
  color:var(--neon2);
  text-shadow: 0 0 14px rgba(236,72,153,.7);
}

.nav{display:flex;gap:16px;align-items:center}
.nav a{color:var(--muted);text-decoration:none;font-weight:700}
.nav a:hover{color:var(--text)}
.pill{
  padding:10px 12px;border:1px solid var(--line);border-radius:999px;
  background:linear-gradient(135deg, rgba(124,58,237,.18), rgba(236,72,153,.12));
}

.hero{padding:64px 0 26px}
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:24px;
}
@media (max-width: 900px){
  .hero-grid{grid-template-columns:1fr}
}

.kicker{
  display:inline-block;
  padding:8px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.04);
  color:var(--muted);
  font-weight:800;
  margin-bottom:14px;
}

h1{margin:0 0 14px;font-size:44px;line-height:1.06}
@media (max-width: 520px){ h1{font-size:36px} }

.neon{
  background: linear-gradient(90deg, var(--neon1), var(--neon2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.lead{color:var(--muted);font-size:18px;max-width:62ch}

.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0 14px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 14px;border-radius:12px;
  border:1px solid var(--line);
  text-decoration:none;
  color:var(--text);
  font-weight:900;
}
.btn.primary{
  background: linear-gradient(90deg, rgba(124,58,237,.95), rgba(236,72,153,.92));
  border-color: transparent;
  box-shadow: 0 10px 30px rgba(124,58,237,.20);
}
.btn.ghost{background:rgba(255,255,255,.04)}
.btn:hover{transform: translateY(-1px)}
.btn:active{transform: translateY(0px)}

.mini-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.badge{
  font-size:12px;
  padding:8px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--muted);
  font-weight:800;
}

.hero-card{
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow: var(--shadow);
  padding:16px;
}
.hero-image{
  width:100%;
  border-radius:14px;
  overflow:hidden;
  margin-bottom:14px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.25);
}
.hero-image img{
  width:100%;
  height:220px;
  object-fit:cover;
  display:block;
}
.hero-card-top{display:flex;gap:12px;align-items:flex-start}
.pulse{
  width:12px;height:12px;border-radius:50%;
  background:var(--neon2);
  box-shadow: 0 0 16px rgba(236,72,153,.7);
  margin-top:6px;
}
.hero-card-title{font-weight:950}
.hero-card-body{
  display:grid;grid-template-columns:1fr 1fr 1fr;
  gap:12px;margin:16px 0 10px;
}
.stat{
  background: rgba(0,0,0,.25);
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;
}
.stat-num{font-size:24px;font-weight:950}
.stat-label{color:var(--muted);font-weight:800;font-size:12px}
.hero-card-foot{margin-top:10px}

.section{padding:42px 0}
.section.alt{
  background: linear-gradient(180deg, rgba(255,255,255,.02), transparent);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}
.section-head.row{align-items:flex-end}
.section-actions{display:flex;gap:10px;flex-wrap:wrap}

h2{margin:0}

.course-panel{
  display:grid;grid-template-columns: .9fr 1.1fr;
  gap:18px;
  background: rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:18px;
  padding:18px;
  box-shadow: var(--shadow);
}
@media (max-width: 900px){ .course-panel{grid-template-columns:1fr} }

.course-cards{display:grid;gap:12px}
.course-card{
  border:1px solid var(--line);
  border-radius:16px;
  padding:14px;
  background: linear-gradient(135deg, rgba(124,58,237,.14), rgba(236,72,153,.08));
}
.course-title{font-weight:950;font-size:16px}
.course-dates{display:flex;gap:8px;align-items:center;margin-top:6px;color:var(--muted);font-weight:800}
.course-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.chip{
  font-size:12px;font-weight:900;color:var(--muted);
  padding:7px 10px;border-radius:999px;border:1px solid var(--line);
  background: rgba(0,0,0,.20);
}
.neon-chip{
  color: var(--text);
  border-color: rgba(236,72,153,.45);
  box-shadow: 0 0 18px rgba(236,72,153,.15);
}

.notice{
  border:1px dashed rgba(255,255,255,.25);
  border-radius:16px;
  padding:14px;
  background: rgba(0,0,0,.22);
  color: var(--muted);
}

.about-grid{
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;
}
@media (max-width: 900px){ .about-grid{grid-template-columns:1fr} }
.about-card{
  border:1px solid var(--line);
  border-radius:18px;
  padding:16px;
  background: rgba(255,255,255,.03);
  box-shadow: var(--shadow);
}
.about-card h3{margin-top:0}

.blog-card{
  display:grid;grid-template-columns: 1.2fr .8fr;
  gap:14px;
  border:1px solid var(--line);
  border-radius:18px;
  padding:18px;
  background: rgba(255,255,255,.03);
  box-shadow: var(--shadow);
}
@media (max-width: 900px){ .blog-card{grid-template-columns:1fr} }
.blog-route{
  border:1px solid var(--line);
  border-radius:16px;
  padding:14px;
  background: rgba(0,0,0,.22);
}

.post-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
@media (max-width: 900px){ .post-grid{grid-template-columns: 1fr;} }

.post-card{
  display:block;
  text-decoration:none;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  background: rgba(0,0,0,.20);
}
.post-card:hover{ transform: translateY(-1px); border-color: rgba(255,255,255,.18); }
.post-title{ font-weight: 950; margin-bottom: 6px; }
.post-date{ color: var(--muted); font-weight: 800; font-size: 12px; margin-bottom: 10px; }
.post-summary{ font-size: 14px; }

.post-body{
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  background: rgba(0,0,0,.20);
  box-shadow: var(--shadow);
}
.post-body h1, .post-body h2, .post-body h3{ margin-top: 18px; }
.post-body p, .post-body li{ color: rgba(255,255,255,.82); }
.post-body a{ color: rgba(255,255,255,.92); text-decoration: underline; }

.footer{
  border-top:1px solid var(--line);
  padding:26px 0;
  background: rgba(0,0,0,.20);
}
.footer-inner{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}
.footer-title{font-weight:950}
.footer-links{display:flex;gap:14px}
.footer-links a{color:var(--muted);text-decoration:none;font-weight:900}
.footer-links a:hover{color:var(--text)}

code{color:#d7dcff}