:root{
  --bg: #0a0f14;
  --bg2: #0f1520;
  --text: #d6e1ff;
  --muted: #8aa0c6;
  --neon: #00f7ff;
  --magenta: #ff2bd6;
  --card: #0f1b2d;
  --border: #1e2a3d;
  --shadow: rgba(0,0,0,0.35);
}

*{ box-sizing: border-box; }
html, body { margin:0; padding:0; background: radial-gradient(1200px 800px at 20% 10%, rgba(0,247,255,0.06), transparent),
                                  radial-gradient(800px 800px at 80% 20%, rgba(255,43,214,0.06), transparent),
                                  linear-gradient(180deg, var(--bg), var(--bg2));
              color: var(--text); font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; }
a { color: var(--neon); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 980px; margin: 0 auto; padding: 1rem; }

.site-header { position: sticky; top: 0; backdrop-filter: blur(8px); background: rgba(10,15,20,0.7); border-bottom: 1px solid var(--border); z-index: 10; }
.brand { font-family: Orbitron, sans-serif; font-weight: 800; letter-spacing: 0.04em; font-size: 1.2rem; }
.menu { list-style:none; display:flex; gap: 1rem; margin:0; padding:0; }
.site-header .wrap { display:flex; align-items:center; justify-content: space-between; }

.hero { padding: 2rem 0 1rem; }
.hero h1 { font-family: Orbitron, sans-serif; font-size: clamp(1.8rem, 3vw, 2.8rem); margin: 0 0 .5rem; }
.tagline { color: var(--muted); margin:0; }

.grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; padding: 1rem 0 2rem; }
.card { background: linear-gradient(180deg, rgba(255,43,214,0.06), rgba(0,247,255,0.06)), var(--card);
        border: 1px solid var(--border); border-radius: 16px; box-shadow: 0 10px 24px var(--shadow); transition: transform .15s ease, box-shadow .15s ease; }
.card:hover { transform: translateY(-2px); box-shadow: 0 14px 28px var(--shadow); }
.card-link { display:block; padding: 1rem; }
.card-meta { display:flex; align-items:center; justify-content: space-between; font-size: .85rem; color: var(--muted); }
.pill { border: 1px solid var(--border); padding: .15rem .5rem; border-radius: 999px; background: rgba(14,25,41,0.6); }
.card-title { margin:.5rem 0 .25rem; font-size: 1.2rem; }
.card-desc { margin:0; color: var(--muted); }

.post { padding: 1rem 0 3rem; }
.post-kicker { text-transform: uppercase; letter-spacing: .12em; font-size:.75rem; color: var(--magenta); }
.post-title { font-family: Orbitron, sans-serif; font-size: clamp(1.6rem, 3vw, 2.4rem); margin:.25rem 0; }
.post-meta { color: var(--muted); font-size:.9rem; }
.post-body { line-height: 1.7; }
.post-body h2, .post-body h3 { font-family: Orbitron, sans-serif; margin-top: 1.6rem; }
.post-divider { border: none; border-top: 1px dashed var(--border); margin: 2rem 0; }
.post-nav { display:flex; justify-content: space-between; gap: .5rem; }
.post-nav a { display:inline-block; padding:.5rem .75rem; border:1px solid var(--border); border-radius: 10px; background: rgba(14,25,41,0.6); }

.site-footer { border-top: 1px solid var(--border); background: rgba(10,15,20,0.6); }
.site-footer p { color: var(--muted); }
@media (max-width: 520px){
  .menu { gap: .5rem; }
  .brand { font-size: 1rem; }
}

.topic-body .muted { color: var(--muted); }

/* Neon badge */
.badge {
  display:inline-block; margin:.25rem 0 1rem; padding:.25rem .6rem;
  font-size:.75rem; letter-spacing:.06em; text-transform:uppercase;
  border:1px solid var(--border); border-radius:999px;
  background: rgba(14,25,41,.7);
}
.badge-neon { color: var(--neon); border-color: rgba(0,247,255,.35); box-shadow: 0 0 8px rgba(0,247,255,.25) inset; }

/* Sections */
.topic-section { background: linear-gradient(180deg, rgba(0,247,255,0.03), rgba(255,43,214,0.03)), var(--card);
  border:1px solid var(--border); border-radius:16px; padding:1rem; margin:1rem 0; box-shadow: 0 10px 24px var(--shadow); }
.topic-section h2 { margin-top:.25rem; }

/* Callout panel */
.callout {
  display:flex; gap:.75rem; align-items:flex-start; margin:1rem 0 0; padding:.75rem .9rem;
  border:1px dashed var(--border); border-radius:12px; background: rgba(14,25,41,.6);
  box-shadow: inset 0 0 0 1px rgba(0,247,255,.08), 0 6px 16px var(--shadow);
}
.callout-icon { color: var(--neon); line-height:0; filter: drop-shadow(0 0 6px rgba(0,247,255,.35)); }
.callout-body { color: var(--text); }

/* Cyber bullet list */
.neon-list { list-style:none; padding-left:0; margin: .5rem 0 1rem; }
.neon-list li {
  position:relative; padding-left:1.4rem; margin:.35rem 0;
}
.neon-list li::before {
  content:"▸"; position:absolute; left:0; top:0; line-height:1.2;
  color: var(--magenta); text-shadow: 0 0 6px rgba(255,43,214,.45);
}

/* Tips list with subtle separators */
.tip-list { list-style:none; padding-left:0; margin: .5rem 0 1.25rem; }
.tip-list li { padding:.5rem .75rem; border:1px solid var(--border); border-radius:12px; background: rgba(14,25,41,.55); }
.tip-list li + li { margin-top:.5rem; }

/* Small cards row */
.tip-grid {
  display:grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap:.75rem; margin-top:1rem;
}
.mini-card { border:1px solid var(--border); border-radius:14px; padding:.9rem; background: rgba(14,25,41,.6); }
.mini-title { font-family: Orbitron, sans-serif; font-size:1rem; margin:.1rem 0 .35rem; }
.mini-text { color: var(--muted); margin:0; }

/* Fine-tuning for links in post nav (inherits your base styles) */
.post-nav a:hover { box-shadow: 0 0 12px rgba(0,247,255,.15) inset; }

/* Mobile polish */
@media (max-width: 520px){
  .topic-section { padding:.85rem; }
  .tip-grid { grid-template-columns: 1fr; }
}