/* Shared styles for generated content pages (case studies + engineering notes).
   Same tokens as the legal pages / main site. */
:root {
  --bg: #03031f;
  --fg: #e8e4d8;
  --accent: #0047AB;
  --accent-hi: #4B8DEB;
  --accent3: #4dffb4;
  --muted: rgba(232, 228, 216, 0.74);
  --border: #383853;
  --card: rgba(255, 255, 255, 0.035);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  line-height: 1.75;
  padding: 0 24px 80px;
}
a { color: var(--accent3); text-underline-offset: 3px; }
a:hover { color: #fff; }
.wrap { max-width: 760px; margin: 0 auto; }

.topbar {
  max-width: 760px; margin: 0 auto; padding: 28px 0 8px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  font-family: 'DM Mono', monospace; font-size: 0.78rem; letter-spacing: 0.05em; text-transform: uppercase;
}
.topbar a { color: var(--muted); text-decoration: none; }
.topbar a:hover { color: var(--accent3); }
.topbar nav { display: flex; gap: 18px; flex-wrap: wrap; }

.crumbs { font-family: 'DM Mono', monospace; font-size: 0.75rem; color: var(--muted); margin: 36px 0 14px; }
.crumbs a { color: var(--muted); }

.kicker {
  font-family: 'DM Mono', monospace; font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent3); margin-bottom: 12px;
}
h1 {
  font-family: 'Syne', sans-serif; font-weight: 800; line-height: 1.12;
  font-size: clamp(1.55rem, 4.3vw, 2.35rem); margin-bottom: 20px;
  overflow-wrap: break-word; hyphens: auto;
}
.lead { font-size: 1.14rem; color: var(--fg); margin-bottom: 8px; }
.byline { font-family: 'DM Mono', monospace; font-size: 0.78rem; color: var(--muted); margin: 16px 0 36px; }

h2 {
  font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1.3rem; overflow-wrap: break-word;
  margin: 44px 0 12px; color: var(--accent3);
}
h3 { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1.1rem; margin: 26px 0 8px; }
p { color: var(--muted); margin-bottom: 14px; }
ul, ol { color: var(--muted); margin: 0 0 16px 1.3em; }
li { margin-bottom: 6px; }
strong { color: var(--fg); }

.facts {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: var(--border); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; margin: 28px 0;
}
.facts div { background: #0a0a2a; padding: 14px 18px; }
.facts dt { font-family: 'DM Mono', monospace; font-size: 0.7rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--muted); }
.facts dd { color: var(--fg); font-size: 0.95rem; margin-top: 2px; }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 6px; list-style: none; }
.tags li {
  font-family: 'DM Mono', monospace; font-size: 0.74rem; padding: 4px 11px; margin: 0;
  border: 1px solid var(--border); border-radius: 30px; color: var(--muted);
}

pre {
  background: #0a0a2a; border: 1px solid var(--border); border-radius: 10px;
  padding: 16px 18px; overflow-x: auto; margin: 0 0 18px;
  font-family: 'DM Mono', monospace; font-size: 0.82rem; line-height: 1.6; color: var(--fg);
}
code { font-family: 'DM Mono', monospace; font-size: 0.88em; color: var(--fg); }
p code, li code { background: rgba(75, 141, 235, 0.16); padding: 1px 6px; border-radius: 5px; }

.callout {
  border-left: 3px solid var(--accent-hi); background: var(--card);
  padding: 14px 18px; border-radius: 0 10px 10px 0; margin: 22px 0;
}
.callout p:last-child { margin-bottom: 0; }

.cta {
  margin-top: 48px; padding: 26px; border: 1px solid var(--border); border-radius: 14px; background: var(--card);
}
.cta h2 { margin-top: 0; }
.btn {
  display: inline-block; padding: 10px 20px; border-radius: 30px; text-decoration: none; margin: 4px 8px 4px 0;
  font-family: 'DM Mono', monospace; font-size: 0.82rem; border: 1px solid var(--accent-hi); color: var(--fg);
}
.btn.primary { background: var(--accent); }
.btn:hover { border-color: var(--accent3); color: #fff; }

.cards { display: grid; gap: 16px; margin-top: 24px; }
.card {
  display: block; text-decoration: none; padding: 22px; border: 1px solid var(--border);
  border-radius: 14px; background: var(--card); transition: border-color 0.2s;
}
.card:hover { border-color: var(--accent-hi); }
.card .kicker { margin-bottom: 6px; }
.card h2, .card h3 { margin: 0 0 8px; color: var(--fg); font-size: 1.2rem; }
.card p { margin-bottom: 0; }

footer {
  max-width: 760px; margin: 70px auto 0; padding-top: 22px; border-top: 1px solid var(--border);
  font-size: 0.85rem; color: rgba(232, 228, 216, 0.55);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
footer a { color: rgba(232, 228, 216, 0.7); }

@media (max-width: 560px) { body { padding: 0 16px 60px; } .facts { grid-template-columns: 1fr; } }

.table-wrap { overflow-x: auto; margin: 0 0 20px; border: 1px solid var(--border); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; min-width: 520px; }
th, td { text-align: left; padding: 11px 16px; vertical-align: top; border-bottom: 1px solid var(--border); color: var(--muted); }
th { font-family: 'DM Mono', monospace; font-size: 0.72rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--fg); background: #0a0a2a; }
tbody tr:last-child td { border-bottom: 0; }
td:first-child { color: var(--fg); }
.more { margin-top: 22px; }

/* language switcher (same look as the main site) */
.lang-switch { display: flex; gap: 5px; align-items: center; }
.topbar a.lang-btn {
  display: flex; align-items: center; gap: 5px; padding: 5px 9px 5px 5px; border-radius: 3px;
  border: 1px solid transparent; color: #c5c5f1; font-size: 10px; letter-spacing: 0.08em; text-decoration: none;
}
.topbar a.lang-btn:hover { border-color: rgba(75, 141, 235, 0.3); color: var(--fg); background: rgba(75, 141, 235, 0.05); }
.topbar a.lang-btn.active { border-color: var(--accent-hi); color: var(--accent-hi); background: rgba(75, 141, 235, 0.1); }
.flag { width: 18px; height: 13px; border-radius: 2px; flex-shrink: 0; display: block; box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.07); }
@media (max-width: 560px) { .topbar { justify-content: flex-start; } .lang-switch { order: -1; width: 100%; } }

.comments { margin-top: 48px; padding-top: 8px; }
.comments .btn { cursor: pointer; background: transparent; }
.giscus, .giscus-frame { width: 100%; }

/* architecture diagrams */
.diagram { margin: 8px 0 28px; }
.diagram-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; background: #0a0a2a; padding: 8px; }
.diagram svg { display: block; width: 100%; min-width: 620px; height: auto; }
.diagram figcaption { font-family: 'DM Mono', monospace; font-size: 0.72rem; color: var(--muted); margin-top: 8px; }
.dg-edges line { stroke: var(--accent-hi); stroke-width: 1.6; }
.dg-edges + defs, .diagram marker path { fill: var(--accent-hi); }
.dg-node rect { fill: rgba(255, 255, 255, 0.035); stroke: var(--border); stroke-width: 1.2; }
.dg-node.hi rect { fill: rgba(0, 71, 171, 0.35); stroke: var(--accent-hi); }
.dg-node text { fill: var(--muted); font-family: 'DM Mono', monospace; font-size: 11.5px; }
.dg-node text.t1 { fill: var(--fg); font-weight: 500; }

/* calculator */
.calc { margin: 8px 0 28px; }
.calc-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 20px; border: 1px solid var(--border); border-radius: 14px; background: var(--card); margin-bottom: 8px; }
.cf label { display: block; font-family: 'DM Mono', monospace; font-size: 0.72rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.cf input, .cf select { width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border); background: #0a0a2a; color: var(--fg); font: inherit; font-size: 1rem; }
.cf input:focus, .cf select:focus { outline: 2px solid var(--accent-hi); outline-offset: 1px; }
.cf small { display: block; color: var(--muted); font-size: 0.78rem; margin-top: 4px; line-height: 1.4; }
.calc h3 { margin-top: 24px; }
.calc td small { color: var(--muted); }
.calc-note { font-size: 0.85rem; }
@media (max-width: 560px) { .calc-form { grid-template-columns: 1fr; padding: 16px; } }

.footer-topics { flex: 1 0 100%; line-height: 2; font-size: 0.85rem; }
.footer-topics strong { color: rgba(232, 228, 216, 0.8); font-weight: 600; }

figure.vid { margin: 0 0 28px; }
figure.vid video { display: block; width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--border); background: #000; }
figure.vid .vid-tall { display: none; max-width: 360px; margin: 0 auto; }
figure.vid figcaption { margin-top: 10px; font-size: 0.85rem; color: rgba(232, 228, 216, 0.65); }
@media (max-width: 640px) { figure.vid .vid-wide { display: none; } figure.vid .vid-tall { display: block; } }