:root{
  --bg:#0b0d12;
  --panel:#111624;
  --text:#e9eefc;
  --muted:#aeb7d3;
  --accent:#7aa2ff;
  --border:#22304f;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

:root[data-theme="light"]{
  --bg:#ffffff;
  --panel:#f6f7fb;
  --text:#0c1222;
  --muted:#4a5568;
  --accent:#2b6cff;
  --border:#e5e7ef;
  --shadow: 0 10px 30px rgba(0,0,0,.08);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
}

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

.container{ max-width: 980px; margin: 0 auto; padding: 24px; }

.site-header{
  position: sticky; top:0;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  border-bottom: 1px solid var(--border);
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 24px;
  z-index: 20;
}

.logo{ font-weight: 800; letter-spacing: .2px; color: var(--text); }
.nav{ display:flex; gap: 14px; align-items:center; }
.nav a{ color: var(--muted); }
.nav a:hover{ color: var(--text); text-decoration:none; }

.hero{
  display:grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 18px;
  margin-top: 10px;
}
@media (max-width: 860px){
  .hero{ grid-template-columns: 1fr; }
}

h1{ font-size: 44px; line-height:1.05; margin: 8px 0 10px; }
h2{ margin: 0 0 10px; }
.lead{ color: var(--muted); font-size: 18px; line-height: 1.55; margin: 0 0 16px; }
.accent{ color: var(--accent); }

.section{ padding: 26px 0; }
.section-head{ display:flex; justify-content:space-between; align-items:end; gap: 12px; }
.small-link{ font-size: 14px; color: var(--muted); }
.small-link:hover{ color: var(--text); text-decoration:none; }

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 860px){
  .grid{ grid-template-columns: 1fr; }
}

.stack{
  display: grid;
  gap: 14px;
}

.card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.hero-card h2{ margin-bottom: 8px; }

.meta{ color: var(--muted); font-size: 13px; margin: 10px 0; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  border: 1px solid color-mix(in srgb, var(--accent) 70%, #000 30%);
  text-decoration:none;
}
.btn:hover{ filter: brightness(1.05); text-decoration:none; }
.btn-ghost{
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-sm{ padding: 8px 12px; border-radius: 12px; font-weight: 700; }

.cta-row{ display:flex; gap: 10px; flex-wrap: wrap; margin: 14px 0; }
.chip-row{ display:flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.chip{
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 13px;
}

.clean{ list-style:none; padding:0; margin:0; }
.clean li{ margin: 8px 0; }

.two-col{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 860px){
  .two-col{ grid-template-columns: 1fr; }
}

.note{ color: var(--muted); font-size: 14px; }

.footer{
  border-top: 1px solid var(--border);
  padding: 18px 0;
  color: var(--muted);
}
.footer-inner{
  display:flex;
  gap: 10px;
  align-items:center;
  justify-content:center;
  flex-wrap: wrap;
}
.sep{ opacity:.6; }