:root {
  --bg: #0b0f14;
  --panel: #111827;
  --card: #0f172a;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --line: rgba(255,255,255,0.10);
  --accent: #60a5fa;
  --accent2: #34d399;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --radius: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  background: radial-gradient(1200px 700px at 20% 0%, rgba(96,165,250,0.18), transparent 60%),
              radial-gradient(900px 500px at 80% 10%, rgba(52,211,153,0.12), transparent 55%),
              var(--bg);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
strong { color: #fff; }

.container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 18px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(11, 15, 20, 0.72);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(96,165,250,0.25), rgba(52,211,153,0.18));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  font-weight: 800;
}

.title {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.2px;
}

.subtitle {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.nav {
  display: flex;
  gap: 14px;
  font-size: 14px;
  color: var(--muted);
}

.nav a {
  padding: 8px 10px;
  border-radius: 10px;
}

.nav a:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 18px;
  padding: 30px 0 12px;
}

.hero h2 {
  font-size: 34px;
  margin: 0 0 10px;
}

.hero p {
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.6;
}

.panel {
  background: linear-gradient(180deg, rgba(17,24,39,0.8), rgba(15,23,42,0.65));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.panel-title {
  margin: 0 0 10px;
  font-weight: 700;
}

.panel-list {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
}

.panel-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  padding: 8px 0;
  border-bottom: 1px dashed rgba(255,255,255,0.12);
}

.panel-list li:last-child { border-bottom: 0; }

.dot {
  width: 10px;
  height: 10px;
  border-radius: 99px;
  display: inline-block;
}

.dot.ok { background: var(--accent2); }

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

.section {
  padding: 26px 0;
}

.section-head h3 {
  margin: 0 0 6px;
  font-size: 20px;
}

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

.grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.card.soft {
  background: rgba(17, 24, 39, 0.45);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.card h4 {
  margin: 0;
  font-size: 16px;
}

.card p {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.55;
}

.tag {
  font-size: 12px;
  color: var(--muted);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-size: 14px;
}

.btn:hover {
  border-color: rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.07);
}

.btn.primary {
  border-color: rgba(96,165,250,0.35);
  background: rgba(96,165,250,0.14);
}

.btn.small {
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 13px;
}

.cta-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  font-size: 12px;
  color: var(--muted);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 5px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
}

.two-col {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.stack {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.stack-item {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius);
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
}

.stack-label { color: var(--muted); }
.stack-value { color: var(--text); }

.footer {
  border-top: 1px solid var(--line);
  padding: 18px 0 26px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .stack { grid-template-columns: 1fr; }
  .nav { display: none; }
}