/* Отрасль «металлопрокат» (def.category: metallurgy). ТОЛЬКО токены (см. themes/_contract.css).
 * Нейтрали — слейт-шкала (единый язык с petroleum/референсом gknp, шрифт Inter из базовых токенов),
 * акцент — стальной синий (идентичность ниши). Шапка — тёмная сталь с рифлением, знак — двутавр. */
:root {
  --cf-bg: #ffffff;
  --cf-page-bg: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 55%, #edf1f6 100%);
  --cf-surface: #ffffff;
  --cf-ink: #0f172a;
  --cf-txt: #334155;
  --cf-muted: #64748b;
  --cf-line: #e2e8f0;
  --cf-accent: #0369a1;      /* стальной синий */
  --cf-accent-ink: #ffffff;
  --cf-accent-2: #38bdf8;    /* светлая сталь — подчёрк h1 / статы на тёмном */
  --cf-ok: #16a34a;
  --cf-radius: 6px;          /* строже нефтетемы */
  --cf-fs-base: 16px;
  --cf-shadow: 0 1px 2px rgba(2, 6, 23, .07), 0 2px 8px rgba(2, 6, 23, .05);
  --cf-shadow-lg: 0 10px 24px rgba(2, 6, 23, .14);
  --cf-hero-bg: linear-gradient(135deg, #e8f3fb 0%, #ffffff 65%);
  --cf-topbar-ink: #f8fafc;
  --cf-topbar-bg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24'%3E%3Cg stroke='%23ffffff' stroke-opacity='0.08' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M5 9 L11 3'/%3E%3Cpath d='M13 21 L19 15'/%3E%3C/g%3E%3C/svg%3E"), linear-gradient(120deg, #020617 0%, #10233a 60%, #1b3a55 100%);
  --cf-brand-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Crect width='32' height='32' rx='7' fill='%230369a1'/%3E%3Cpath d='M8 7h16v4h-5.5v10H24v4H8v-4h5.5V11H8z' fill='%23ffffff'/%3E%3C/svg%3E");
}
@media (prefers-color-scheme: dark) {
  :root {
    --cf-bg: #0b141e;
    --cf-page-bg: linear-gradient(180deg, #020617 0%, #0b141e 100%);
    --cf-surface: #101c2a;
    --cf-ink: #f1f5f9;
    --cf-txt: #cbd5e1;
    --cf-muted: #94a3b8;
    --cf-line: #20304a;
    --cf-accent: #38bdf8;
    --cf-accent-ink: #06121d;
    --cf-accent-2: #7dd3fc;
    --cf-ok: #4ade80;
    --cf-shadow: 0 1px 2px rgba(0, 0, 0, .45);
    --cf-shadow-lg: 0 10px 26px rgba(0, 0, 0, .55);
    --cf-hero-bg: linear-gradient(135deg, #0f2436 0%, #122a3f 100%);
    --cf-topbar-bg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24'%3E%3Cg stroke='%23ffffff' stroke-opacity='0.06' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M5 9 L11 3'/%3E%3Cpath d='M13 21 L19 15'/%3E%3C/g%3E%3C/svg%3E"), linear-gradient(120deg, #01040f 0%, #0e2233 100%);
    --cf-brand-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Crect width='32' height='32' rx='7' fill='%230ea5e9'/%3E%3Cpath d='M8 7h16v4h-5.5v10H24v4H8v-4h5.5V11H8z' fill='%23081019'/%3E%3C/svg%3E");
  }
}