:root {
  --bg: #FFFFFF; --bg-soft: #F6F8FC; --fg: #0A2540; --muted: #5A6B7D;
  --accent: #0057D8; --accent-dark: #003E9C; --accent-soft: #E8F0FF;
  --line: #E3E9F1;
  --shadow-sm: 0 2px 8px rgba(10, 37, 64, 0.06);
  --shadow: 0 10px 30px rgba(10, 37, 64, 0.10);
  --radius: 16px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
::selection { background: var(--accent); color: #fff; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--fg);
  font-family: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 400; letter-spacing: 0; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 64rem; margin: 0 auto; padding: 6rem clamp(1.25rem, 5vw, 2rem) 3rem; }
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 10;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.25rem clamp(1.25rem, 5vw, 2rem);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.logo { font-size: 0.85rem; font-weight: 700; letter-spacing: 0.04em; color: var(--fg); text-decoration: none; }
.logo span { color: var(--accent); }
.back {
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  font-weight: 600;
  color: var(--muted); text-decoration: none; border-bottom: 1px solid transparent; padding-bottom: 2px;
}
.back:hover { color: var(--accent); border-color: var(--accent); }
.eyebrow { font-family: "JetBrains Mono", Consolas, monospace; font-size: 0.7rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.5rem; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.08; margin-bottom: 1.5rem; }
.tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 3rem; }
.tag { font-family: "JetBrains Mono", Consolas, monospace; font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase; font-weight: 600; color: var(--accent); background: var(--accent-soft); border: 1px solid transparent; padding: 0.35rem 0.7rem; border-radius: 6px; }
.lede { font-size: 1.1rem; color: var(--muted); max-width: 40em; margin-bottom: 3rem; }
.block { margin-bottom: 3rem; }
.block .k { font-family: "JetBrains Mono", Consolas, monospace; font-size: 0.68rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }
.block p { color: var(--muted); max-width: 40em; }
.block ul { list-style: none; }
.block li { color: var(--muted); padding: 0.9rem 0; border-bottom: 1px solid var(--line); }
.block li::before { content: "→ "; color: var(--accent); }
.terminal { border: 1px solid var(--line); background: var(--bg); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; margin-bottom: 3rem; }
.term-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 640px) { .term-grid { grid-template-columns: 1fr; } }
.metric { padding: 1.75rem; border-right: 1px solid var(--line); }
.metric:last-child { border-right: none; }
@media (max-width: 640px) { .metric { border-right: none; border-bottom: 1px solid var(--line); } .metric:last-child { border-bottom: none; } }
.metric .k { font-family: "JetBrains Mono", Consolas, monospace; font-size: 0.62rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.75rem; }
.metric .v { font-family: "JetBrains Mono", Consolas, monospace; font-size: 1.6rem; font-weight: 600; margin-bottom: 0.4rem; color: var(--fg); }
.metric .d { font-size: 0.85rem; color: var(--muted); line-height: 1.6; }
.status { display: inline-flex; align-items: center; gap: 0.6rem; font-family: "JetBrains Mono", Consolas, monospace; font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; font-weight: 600; background: var(--accent-soft); color: var(--accent); border: 1px solid transparent; border-radius: 999px; padding: 0.6rem 1.1rem; margin-bottom: 3rem; }
.status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
footer { max-width: 64rem; margin: 0 auto; padding: 2rem clamp(1.25rem, 5vw, 2rem) 3rem; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
footer a { color: var(--fg); text-decoration: none; font-size: 0.85rem; font-weight: 600; }
footer a:hover { color: var(--accent); }
footer .city { color: var(--muted); font-size: 0.85rem; }