@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg: #050810;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --accent: #38bdf8;
  --accent-2: #22d3ee;
  --border: rgba(56, 189, 248, 0.15);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(56, 189, 248, 0.14), transparent),
    radial-gradient(ellipse 60% 40% at 90% 20%, rgba(16, 185, 129, 0.07), transparent),
    var(--bg);
  background-attachment: fixed;
}

.mono { font-family: 'JetBrains Mono', monospace; }

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

.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.wrap-wide { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

nav.top {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, rgba(56,189,248,.3), rgba(16,185,129,.1));
  border: 1px solid rgba(56,189,248,.4);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}
.brand-name { font-weight: 600; color: #fff; line-height: 1; font-size: 15px; }
.brand-sub { font-size: 10px; color: #64748b; font-family: 'JetBrains Mono', monospace; margin-top: 2px; }
.back-link { font-size: 13px; color: #94a3b8; font-family: 'JetBrains Mono', monospace; }

.breadcrumb { font-size: 12px; color: #64748b; font-family: 'JetBrains Mono', monospace; margin-bottom: 18px; }
.breadcrumb a { color: #64748b; }
.breadcrumb .current { color: #cbd5e1; }

.eyebrow {
  display: inline-block;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(56,189,248,.1);
  border: 1px solid rgba(56,189,248,.3);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}

h1 { font-size: 2.5rem; font-weight: 700; line-height: 1.1; margin: 0 0 14px; letter-spacing: -0.02em; color: #fff; }
.dek { font-size: 1.1rem; color: var(--text-dim); line-height: 1.6; margin-bottom: 28px; }
.meta-row { display: flex; gap: 16px; align-items: center; font-size: 12px; color: #64748b; font-family: 'JetBrains Mono', monospace; margin-bottom: 40px; padding-bottom: 24px; border-bottom: 1px solid rgba(148,163,184,.1); }

article h2 { font-size: 1.6rem; font-weight: 600; color: #fff; margin: 40px 0 14px; letter-spacing: -0.01em; }
article h3 { font-size: 1.2rem; font-weight: 600; color: #f1f5f9; margin: 28px 0 10px; }
article p { font-size: 1.02rem; line-height: 1.75; color: #cbd5e1; margin: 0 0 18px; }
article ul, article ol { color: #cbd5e1; line-height: 1.75; margin: 0 0 18px; padding-left: 22px; }
article li { margin-bottom: 8px; }
article strong { color: #fff; font-weight: 600; }
article table { width: 100%; border-collapse: collapse; margin: 20px 0 28px; font-size: 0.92rem; }
article th { text-align: left; padding: 10px 14px; color: #94a3b8; font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; border-bottom: 1px solid rgba(148,163,184,.2); }
article td { padding: 10px 14px; border-bottom: 1px solid rgba(148,163,184,.08); color: #e2e8f0; }
article td.num { font-family: 'JetBrains Mono', monospace; color: var(--accent-2); }

.callout {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 24px;
  margin: 28px 0;
}
.callout-label { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--accent); margin-bottom: 8px; font-family: 'JetBrains Mono', monospace; }
.callout p { margin: 0; color: #e2e8f0; }

.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(56,189,248,.18), rgba(34,211,238,.08));
  border: 1px solid rgba(56,189,248,.4);
  color: #7dd3fc;
  padding: 12px 20px;
  border-radius: 12px;
  font-weight: 500;
  font-size: 14px;
  margin: 8px 0 32px;
}
.cta:hover { text-decoration: none; border-color: rgba(56,189,248,.7); }

footer.site {
  border-top: 1px solid rgba(148,163,184,.1);
  margin-top: 60px;
  padding: 32px 0;
}
footer.site .wrap-wide { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 13px; color: #64748b; }

.post-grid { display: grid; gap: 16px; margin-top: 32px; }
.post-card {
  display: block;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid rgba(148,163,184,.1);
  border-radius: 16px;
  padding: 22px 24px;
  transition: border-color .15s;
}
.post-card:hover { border-color: rgba(56,189,248,.4); text-decoration: none; }
.post-card .tag { font-size: 11px; color: var(--accent-2); font-family: 'JetBrains Mono', monospace; text-transform: uppercase; letter-spacing: .05em; }
.post-card h2 { font-size: 1.25rem; margin: 8px 0 8px; color: #fff; }
.post-card p { font-size: .92rem; color: #94a3b8; margin: 0; line-height: 1.55; }

@media (max-width: 640px) {
  h1 { font-size: 1.9rem; }
  .wrap, .wrap-wide { padding: 0 18px; }
}