:root {
  --bg: var(--iuve-bg, #f7f8fb);
  --surface: var(--iuve-surface, #ffffff);
  --text: var(--iuve-text, #111827);
  --muted: var(--iuve-muted, #4b5563);
  --line: var(--iuve-border, #d7dde8);
  --brand: var(--iuve-primary, #0b5fff);
  --accent: var(--iuve-accent, #18a37a);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 520px at 10% -10%, rgba(11, 95, 255, 0.12), transparent 58%),
    radial-gradient(900px 520px at 100% 0%, rgba(24, 163, 122, 0.10), transparent 58%),
    var(--bg);
  line-height: 1.55;
}

.shell { max-width: 920px; margin: 0 auto; padding: 24px; }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-weight: 700;
}
.brand img { width: 34px; height: 34px; }

.top-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  font-size: 0.92rem;
}
.top-nav a { color: var(--muted); text-decoration: none; }
.top-nav a:hover { color: var(--brand); }

.lang-box {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 7px 10px;
  background: var(--surface);
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-size: 0.85rem;
}

.breadcrumbs {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0 0 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.breadcrumbs a { color: var(--brand); text-decoration: none; }
.breadcrumbs .sep { opacity: 0.55; }

.geo-article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px 28px 32px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.geo-article h1 {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  line-height: 1.2;
  margin: 0 0 10px;
}

.geo-article h2 {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-size: 1.2rem;
  margin: 1.6rem 0 0.6rem;
}

.lead { font-size: 1.05rem; color: var(--text); margin: 0.4rem 0 1rem; }
.byline-hero { color: var(--muted); margin: 0 0 0.8rem; }
.byline { display: inline-block; margin-left: 8px; color: var(--muted); font-size: 0.88rem; }
.edition, .edition-line { color: var(--accent); font-size: 0.92rem; }
.note { color: var(--muted); font-size: 0.9rem; }
.note code { background: #eef2ff; padding: 1px 6px; border-radius: 4px; }

.product-list { list-style: none; padding: 0; margin: 0; }
.product-list.numbered { list-style: decimal; padding-left: 1.2rem; }
.product-list li {
  border-top: 1px solid var(--line);
  padding: 14px 0;
}
.product-list li:first-child { border-top: 0; }
.product-list a { color: var(--brand); text-decoration: none; }
.product-list p { margin: 0.35rem 0 0; color: var(--muted); }
.product-list .links { font-size: 0.92rem; }

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.chip-list li {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.88rem;
  color: var(--muted);
  background: #f8fafc;
}

.cta-list { padding-left: 1.2rem; }
.cta-list a { color: var(--brand); }

.relations {
  margin-top: 1.8rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.relations dl {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 8px 12px;
  margin: 0;
}
.relations dt { color: var(--muted); font-size: 0.9rem; }
.relations dd { margin: 0; }
.relations a { color: var(--brand); text-decoration: none; }

.geo-footer {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}
.geo-footer nav { display: flex; flex-wrap: wrap; gap: 12px 16px; margin-top: 8px; }
.geo-footer a { color: var(--brand); text-decoration: none; }

.back { margin-top: 1.5rem; }
.back a { color: var(--brand); }

@media (max-width: 720px) {
  .relations dl { grid-template-columns: 1fr; }
  .top-nav { width: 100%; }
}