/* ============================================================
   TAISHI ROCK WOOL — Design Tokens (CSS custom properties)
   Legacy light UI · navy/amber · 2026-08-30 (restyle)
   ============================================================ */
:root {
  /* ---- Palette (legacy) ---- */
  --navy-950: #081627;
  --navy-900: #0C1F36;
  --navy-800: #122C4A;
  --navy-700: #1A3B63;
  --navy-600: #24507F;
  --amber-700: #B06A16;
  --amber-600: #C77A1E;
  --amber-500: #E8963A;
  --amber-400: #F0AE5C;
  --amber-300: #F8CE8F;
  --amber-100: #FBEDDA;
  --ink: #16273A;
  --muted: #5B7086;
  --line: #E4E9F0;
  --paper: #F5F7FA;
  --white: #FFFFFF;
  --mist: #C9D6E4;

  /* ---- Brand aliases (kept for template compatibility) ---- */
  --brand-primary: var(--amber-500);
  --brand-primary-dark: var(--amber-700);
  --brand-ink: var(--navy-900);
  --brand-ink-2: var(--navy-800);
  --brand-surface: var(--white);
  --brand-surface-2: var(--paper);
  --brand-surface-3: var(--line);
  --brand-text: var(--ink);
  --brand-text-muted: var(--muted);
  --brand-text-invert: #fff;

  /* ---- Semantic ---- */
  --color-success: #15803d;
  --color-warning: #b45309;
  --color-error: #b91c1c;

  /* ---- Typography ---- */
  --font-body: "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-display: "Inter", "Segoe UI", system-ui, sans-serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.375rem;
  --fs-xl: 1.75rem;
  --fs-2xl: 2.25rem;
  --fs-3xl: 3rem;
  --lh-tight: 1.15;
  --lh-normal: 1.55;
  --lh-loose: 1.7;

  /* ---- Spacing ---- */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;
  --sp-9: 96px;

  /* ---- Layout ---- */
  --container: 1180px;
  --container-narrow: 840px;
  --gutter: clamp(16px, 4vw, 32px);
  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 18px;

  /* ---- Grid ---- */
  --grid-gap: 24px;
  --card-ratio: 4 / 5;

  /* ---- Effects ---- */
  --shadow-sm: 0 1px 2px rgba(8, 22, 39, .06), 0 1px 3px rgba(8, 22, 39, .08);
  --shadow-md: 0 6px 18px -6px rgba(8, 22, 39, .16);
  --shadow-lg: 0 24px 48px -20px rgba(8, 22, 39, .28);
  --shadow-glow: 0 10px 30px -8px rgba(232, 150, 58, .55);
  --header-h: 72px;

  /* ---- Breakpoints ---- */
  --bp-sm: 640px;
  --bp-md: 768px;
  --bp-lg: 1024px;
  --bp-xl: 1280px;
}