:root {
  /* Color — Brand (원주시 CI: mountain mint green) */
  --primary-900: #0F4A36;   /* deep ocean green */
  --primary-800: #1A7958;   /* dark mint */
  --primary-700: #2BB68A;   /* MAIN — Wonju mountain mint */
  --primary-600: #5BC9A4;   /* light mint */
  --primary-500: #93DCC0;   /* pale mint */

  /* Color — Accent (원주시 CI: cobalt blue · sunny pop) */
  --accent: #2848AC;        /* MAIN cobalt — Wonju water */
  --accent-cyan: #5572D4;   /* lighter cobalt */
  --accent-warm: #FACC54;   /* warm goldenrod — 보조 포인트 */
  --accent-violet: var(--accent-warm); /* deprecated alias, kept for legacy refs */

  /* Color — Surface (cool ivory · 옅은 mint-tint) */
  --ivory: #FAFCFA;
  --ivory-soft: #F0F8F4;
  --surface: #FFFFFF;
  --surface-muted: #E8F4ED;
  --border: #D0E5D9;
  --border-strong: #A8D0B8;

  /* Color — Text (cool dark green) */
  --text-primary: #0F2A22;
  --text-secondary: #3F5A4F;
  --text-tertiary: #8FA59A;
  --text-on-dark: #F0F8F4;

  /* Gradient presets (mint → cobalt 듀얼 컬러) */
  --grad-hero: radial-gradient(120% 80% at 0% 0%, #2BB68A 0%, #5BC9A4 30%, #2848AC 70%, #FAFCFA 100%);
  --grad-text: linear-gradient(120deg, #2848AC 0%, #2BB68A 100%);
  --grad-card: linear-gradient(135deg, rgba(43,182,138,0.06), rgba(40,72,172,0.06));
  --grad-border: linear-gradient(135deg, #2BB68A, #2848AC);

  /* Typography */
  --font-sans: "Pretendard Variable", Pretendard, "Inter", -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  --font-mono: "JetBrains Mono", "Inter", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Line height tokens */
  --lh-display: 1.08;
  --lh-heading: 1.2;
  --lh-base: 1.65;
  --lh-loose: 1.75;

  /* Spacing */
  --container: 1200px;
  --container-narrow: 960px;
  --section-pad: 120px;
  --header-h: 72px;

  /* Radius */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 32px;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(15,23,42,0.06), 0 1px 3px rgba(15,23,42,0.04);
  --shadow-md: 0 6px 18px rgba(15,23,42,0.08), 0 2px 6px rgba(15,23,42,0.04);
  --shadow-lg: 0 20px 50px rgba(15,23,42,0.12), 0 6px 16px rgba(15,23,42,0.06);
  --shadow-glow: 0 12px 40px rgba(43,182,138,0.30);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 160ms;
  --t-base: 240ms;
  --t-slow: 420ms;
}