:root {
  /* Brand colors */
  --black: #000000;
  --bg: #050505;
  --bg-elevated: #0a0a0a;
  --bg-card: #111111;
  --bg-card-hi: #161616;
  --border: #1f1f1f;
  --border-soft: #262626;
  --border-strong: #2f2f2f;

  --red: #E10600;
  --red-hover: #ff1a14;
  --red-deep: #b00500;
  --red-glow: rgba(225, 6, 0, 0.45);
  --red-soft: rgba(225, 6, 0, 0.10);
  --red-tint: rgba(225, 6, 0, 0.04);

  --white: #ffffff;
  --text: #ffffff;
  --text-muted: #a3a3a3;
  --text-dim: #6b6b6b;
  --text-faint: #404040;

  --success: #22c55e;
  --gold: #facc15;

  /* Typography */
  --font-sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Bricolage Grotesque', 'Geist', sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 2rem;
  --fs-4xl: 2.75rem;
  --fs-5xl: 3.5rem;
  --fs-6xl: 4.5rem;
  --fs-display: clamp(3.5rem, 13vw, 11.5rem);

  --lh-tight: 1.05;
  --lh-snug: 1.2;
  --lh-normal: 1.5;
  --lh-relaxed: 1.65;

  /* Spacing */
  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 0.75rem;
  --s-4: 1rem;
  --s-5: 1.25rem;
  --s-6: 1.5rem;
  --s-7: 1.75rem;
  --s-8: 2rem;
  --s-10: 2.5rem;
  --s-12: 3rem;
  --s-16: 4rem;
  --s-20: 5rem;
  --s-24: 6rem;
  --s-32: 8rem;

  /* Layout */
  --container: 80rem;
  --container-px: 1.25rem;
  --header-h: 4.5rem;

  /* Radius */
  --r-sm: 0.5rem;
  --r-md: 0.875rem;
  --r-lg: 1.25rem;
  --r-xl: 1.75rem;
  --r-2xl: 2.5rem;
  --r-full: 9999px;

  /* Effects */
  --glow-red: 0 0 32px var(--red-glow);
  --glow-red-soft: 0 8px 32px rgba(225, 6, 0, 0.20);
  --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 32px 96px rgba(0, 0, 0, 0.7);

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast: 150ms var(--ease);
  --t-base: 250ms var(--ease);
  --t-slow: 400ms var(--ease);
}

@media (min-width: 768px) {
  :root {
    --container-px: 2rem;
    --fs-4xl: 3.25rem;
    --fs-5xl: 4.5rem;
    --fs-6xl: 6rem;
  }
}

@media (min-width: 1280px) {
  :root {
    --container-px: 3rem;
    --fs-5xl: 5rem;
    --fs-6xl: 7rem;
  }
}