:root{
  --bg:#0b1020;
  --card:#111a33;
  --text:#e8eefc;
  --muted:rgba(232,238,252,.72);
  --border:rgba(232,238,252,.10);
  --accent:#7aa2ff;
  --accent2:#8ef0d6;
  --shadow:0 18px 60px rgba(0,0,0,.35);
  --radius:18px;
  --max:1040px;
  --reading:760px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background:
    radial-gradient(900px 500px at 10% 0%, rgba(122,162,255,.18), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(142,240,214,.14), transparent 60%),
    var(--bg);
  color:var(--text);
  line-height:1.7;
}

a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}

.container{max-width:var(--max);margin:0 auto;padding:22px}
.nav{
  position:sticky;top:0;z-index:20;
  backdrop-filter: blur(10px);
  background: rgba(11,16,32,.55);
  border-bottom:1px solid var(--border);
}
.nav-inner{max-width:var(--max);margin:0 auto;padding:14px 22px;display:flex;gap:14px;align-items:center;justify-content:space-between}
.brand{display:flex;gap:10px;align-items:center;font-weight:800;letter-spacing:.2px}
.logo{
  width:34px;height:34px;border-radius:12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 10px 30px rgba(122,162,255,.25);
}
.menu{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.menu a{color:var(--muted);font-weight:600}
.menu a.active{color:var(--text)}
.btn{
  display:inline-flex;gap:10px;align-items:center;
  padding:10px 14px;border-radius:999px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  color:var(--text);
}
.btn:hover{background: rgba(255,255,255,.08)}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 10px;border-radius:999px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  color:var(--muted);
  font-size:13px;
}

.hero{
  padding:36px 0 10px;
}
.hero h1{
  margin:0 0 10px;
  font-size: clamp(28px, 4vw, 44px);
  line-height:1.15;
}
.hero p{margin:0;color:var(--muted);max-width:760px}
.hero-actions{margin-top:18px;display:flex;gap:12px;flex-wrap:wrap}

.grid{
  display:grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap:16px;
}
@media(min-width:780px){
  .grid{grid-template-columns: repeat(3, minmax(0, 1fr));}
}
.card{
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.card-body{padding:16px}
.card h3{margin:0 0 6px;font-size:18px}
.card p{margin:0;color:var(--muted)}
.card .meta{margin-top:10px;display:flex;gap:10px;flex-wrap:wrap}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 10px;border-radius:999px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  font-size:13px;color:var(--muted);
}

.section-title{
  margin:26px 0 12px;
  font-size:18px;
  color: rgba(232,238,252,.92);
  display:flex;align-items:center;justify-content:space-between;
}
.hr{height:1px;background:var(--border);margin:22px 0}

.footer{
  border-top:1px solid var(--border);
  margin-top:26px;
  color:var(--muted);
}
.footer-inner{max-width:var(--max);margin:0 auto;padding:18px 22px;font-size:13px;line-height:1.6;display:flex;gap:14px;flex-wrap:wrap;justify-content:space-between}
.footer a{color:var(--muted)}
.footer a:hover{color:var(--text)}

/* Reading page */
.reading{
  max-width: var(--reading);
  margin: 0 auto;
}
.reading h1{margin:0 0 8px;font-size:34px;line-height:1.15}
.reading .subtitle{color:var(--muted);margin-bottom:18px}
.prose{
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.prose p{margin:0 0 14px}
.prose p:last-child{margin-bottom:0}
.chapter-nav{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:16px;
}

/* Simple form */
.form{
  max-width: 560px;
}
.input{
  width:100%;
  padding:12px 14px;
  border-radius: 14px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  color:var(--text);
  outline:none;
}
textarea.input{min-height:130px;resize:vertical}
.small{font-size:13px;color:var(--muted)}