:root {
  --bg: #04110f;
  --bg-soft: #0a1a17;
  --panel: #0f2420;
  --text: #e6f5f1;
  --muted: #9fb8b2;
  --accent: #29d3aa;
  --accent-soft: rgba(41, 211, 170, 0.16);
  --border: rgba(170, 233, 216, 0.18);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(circle at 15% 0%, #0f2f28 0%, var(--bg) 48%);
  color: var(--text);
  line-height: 1.7;
}

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

.shell { min-height: 100vh; display: flex; flex-direction: column; }

.nav {
  position: sticky;
  top: 0;
  background: rgba(4, 17, 15, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(6px);
  z-index: 10;
}

.nav-inner, .article, .footer-inner, .hero-inner {
  width: min(860px, calc(100% - 2rem));
  margin: 0 auto;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.logo { font-weight: 700; letter-spacing: 0.02em; color: var(--text); }

.nav-links { display: flex; gap: 1rem; font-size: 0.95rem; }

.hero {
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(13, 44, 37, 0.45) 0%, rgba(4, 17, 15, 0) 100%);
}

.hero-inner { padding: 2.5rem 0 2rem; }

.eyebrow {
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

h1 {
  margin: 0.7rem 0 0.7rem;
  line-height: 1.15;
  font-size: clamp(1.9rem, 4vw, 2.7rem);
}

.meta { color: var(--muted); font-size: 0.92rem; }

.article { padding: 2.2rem 0 3.5rem; }
.article h2 { margin-top: 2.2rem; line-height: 1.25; }
.article h3 { margin-top: 1.4rem; line-height: 1.3; }

.article p, .article li { color: #d4e9e4; }

.article ul, .article ol { padding-left: 1.2rem; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  margin: 1.25rem 0;
}

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

th, td {
  border-bottom: 1px solid var(--border);
  padding: 0.7rem;
  text-align: left;
  vertical-align: top;
}

th { color: #c5ece2; font-size: 0.84rem; }

.cta {
  background: linear-gradient(180deg, rgba(41, 211, 170, 0.13) 0%, rgba(41, 211, 170, 0.04) 100%);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.2rem;
  margin-top: 2rem;
}

.btn {
  display: inline-block;
  margin-top: 0.75rem;
  background: var(--accent);
  color: #052019;
  padding: 0.62rem 1rem;
  border-radius: 9px;
  font-weight: 700;
}

.related {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.related a {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.8rem;
  background: rgba(16, 43, 36, 0.4);
}

.footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

.footer-inner {
  padding: 1.2rem 0 1.6rem;
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.card {
  border: 1px solid var(--border);
  background: rgba(14, 38, 32, 0.48);
  border-radius: 12px;
  padding: 1rem;
}

.card h2 { margin-top: 0; font-size: 1.2rem; }

code, pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

pre {
  background: #051816;
  border: 1px solid var(--border);
  padding: 0.8rem;
  border-radius: 10px;
  overflow-x: auto;
  font-size: 0.84rem;
}