:root {
  /* ── Colors — GIANT SARLU brand palette ── */
  --color-bg:           #080808;   /* near-black */
  --color-bg-secondary: #111111;   /* dark secondary */
  --color-bg-card:      #141414;   /* card bg */
  --color-surface:      #1a1a1a;   /* surface / hover */

  --color-cyan:         #00B4DB;   /* primary accent — cyan */
  --color-cyan-dim:     #0094b8;
  --color-cyan-glow:    rgba(0, 180, 219, 0.18);
  --color-cyan-subtle:  rgba(0, 180, 219, 0.07);

  /* Alias — keep --color-green pointing to cyan so all existing CSS works */
  --color-green:        #00B4DB;
  --color-green-dim:    #0094b8;
  --color-green-glow:   rgba(0, 180, 219, 0.18);
  --color-green-subtle: rgba(0, 180, 219, 0.07);

  --color-blue:         #2f55d4;   /* CTA blue */
  --color-orange:       #ff5733;   /* secondary accent */

  --color-white:        #f4f4ef;
  --color-white-dim:    rgba(244, 244, 239, 0.82);
  --color-white-muted:  rgba(244, 244, 239, 0.82);

  --color-border:       rgba(255, 255, 255, 0.08);
  --color-border-green: rgba(0, 180, 219, 0.28);

  /* Typography */
  --font-sans:    'IBM Plex Sans', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'IBM Plex Sans', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;
  --text-7xl:  4.5rem;

  --weight-regular: 400;
  --weight-medium:  500;
  --weight-semi:    600;
  --weight-bold:    700;

  --leading-tight:  1.1;
  --leading-snug:   1.3;
  --leading-normal: 1.6;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --container-max: 1280px;
  --container-pad: clamp(1.5rem, 5vw, 4rem);

  /* Navbar */
  --navbar-h: 72px;

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl:   20px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-inout: cubic-bezier(0.45, 0, 0.55, 1);
  --duration-fast:   150ms;
  --duration-normal: 280ms;
  --duration-slow:   480ms;

  /* Shadows */
  --shadow-green: 0 0 24px rgba(0, 180, 219, 0.25);
  --shadow-card:  0 1px 0 rgba(255,255,255,0.05), 0 4px 24px rgba(0,0,0,0.5);
}

@media (max-width: 640px) {
  :root {
    --navbar-h: 64px;
    --container-pad: clamp(1rem, 4vw, 1.5rem);
  }
}