/* Minimal modern styling: readable, responsive, no dependencies */

:root{
  --bg: #0b0d10;
  --panel: rgba(255,255,255,0.06);
  --text: rgba(255,255,255,0.88);
  --muted: rgba(255,255,255,0.65);
  --border: rgba(255,255,255,0.12);
  --link: rgba(255,255,255,0.92);
  --accent: rgba(120,180,255,0.95);

  --max: 980px;
  --radius: 18px;
}

@media (prefers-color-scheme: light){
  :root{
    --bg: #fbfbfc;
    --panel: rgba(0,0,0,0.04);
    --text: rgba(0,0,0,0.88);
    --muted: rgba(0,0,0,0.62);
    --border: rgba(0,0,0,0.10);
    --link: rgba(0,0,0,0.92);
    --accent: rgba(0,85,210,0.95);
  }
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1000px 700px at 20% 0%, rgba(120,180,255,0.16), transparent 55%),
              radial-gradient(900px 650px at 80% 10%, rgba(170,120,255,0.14), transparent 60%),
              var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a{ color: var(--link); text-decoration: none; }
a:hover{ text-decoration: underline; text-underline-offset: 3px; }

.container{
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.nav{
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.nav-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 18px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 650;
  letter-spacing: 0.2px;
}

.pill{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  color: var(--muted);
  font-size: 13px;
}

.menu{
  display:flex;
  gap: 14px;
  align-items:center;
  flex-wrap: wrap;
}

.menu a{
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--muted);
}

.menu a[aria-current="page"]{
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
}

.hero{
  padding: 54px 0 22px;
}

h1{
  font-size: clamp(32px, 4vw, 46px);
  line-height: 1.08;
  margin: 0 0 12px 0;
  letter-spacing: -0.6px;
}

.subtitle{
  font-size: 18px;
  color: var(--muted);
  max-width: 68ch;
  margin: 0 0 22px 0;
}

.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  padding: 18px 0 54px;
}

.card{
  grid-column: span 6;
  padding: 18px 18px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
}

@media (max-width: 860px){
  .card{ grid-column: span 12; }
}

.card h2{
  font-size: 16px;
  margin: 0 0 8px;
  letter-spacing: 0.1px;
}

.card p{
  margin: 0;
  color: var(--muted);
}

.list{
  display:flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}

.item{
  padding: 12px 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: color-mix(in srgb, var(--panel) 65%, transparent);
}

.item .kicker{
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
}

.item .title{
  font-weight: 650;
}

.footer{
  padding: 26px 0 44px;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

.button{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 85%, transparent);
  color: var(--text);
  font-weight: 650;
  text-decoration: none;
}
.button:hover{ text-decoration:none; border-color: color-mix(in srgb, var(--border) 60%, var(--accent)); }

.page{
  padding: 28px 0 54px;
}

.page h1{
  font-size: clamp(26px, 3vw, 38px);
}

.prose{
  max-width: 76ch;
}
.prose h2{ margin-top: 24px; }
.prose p{ color: var(--muted); }