:root {
  --color-paper: oklch(97.5% 0.010 40);
  --color-paper-raised: oklch(98.8% 0.007 40 / 0.8);
  --color-paper-soft: oklch(95% 0.016 40 / 0.55);
  --color-ink: oklch(20% 0.012 30);
  --color-ink-soft: oklch(37% 0.014 30);
  --color-muted: oklch(54% 0.014 32);
  --color-rule: oklch(85% 0.014 35 / 0.65);
  --color-rule-strong: oklch(74% 0.018 33 / 0.7);
  --color-accent: oklch(66% 0.16 35);
  --color-accent-2: oklch(64% 0.15 300);
  --color-accent-soft: oklch(93% 0.032 35);
  --color-accent-ink: oklch(17% 0.03 35);
  --color-accent-night: oklch(74% 0.14 300);
  --color-success: oklch(58% 0.13 150);
  --color-error: oklch(56% 0.20 22);
  --color-focus: oklch(58% 0.21 35);
  --color-night: oklch(16% 0.030 305);
  --color-night-soft: oklch(20% 0.032 305);
  --color-night-text: oklch(95% 0.012 300);

  --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-2) 100%);
  --gradient-accent-soft: linear-gradient(135deg, oklch(92% 0.038 35 / 0.6) 0%, oklch(90% 0.032 300 / 0.5) 100%);
  --gradient-wash: radial-gradient(ellipse 60% 55% at 22% 18%, oklch(88% 0.06 40 / 0.6), transparent 68%), radial-gradient(ellipse 55% 60% at 82% 78%, oklch(86% 0.055 300 / 0.55), transparent 65%);

  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --text-xs: 0.72rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.25rem;
  --text-xl: clamp(1.6rem, 2.4vw, 2.7rem);
  --text-2xl: clamp(2.2rem, 4.8vw, 5.1rem);
  --text-hero: clamp(3rem, 6.8vw, 7.5rem);

  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: clamp(3.5rem, 8vw, 8rem);
  --space-3xl: clamp(5rem, 12vw, 12rem);
  --page-gutter: clamp(1rem, 3.5vw, 3.5rem);
  --content-max: 96rem;

  --radius-sm: 0.8rem;
  --radius-md: 1.4rem;
  --radius-lg: 2.1rem;
  --radius-xl: 2.8rem;
  --rule-hair: 1px;
  --shadow-glass: 0 1.25rem 3.5rem oklch(42% 0.05 320 / 0.16);
  --shadow-float: 0 0.6rem 1.6rem oklch(35% 0.045 320 / 0.14);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-instant: 120ms;
  --dur-short: 180ms;
  --dur-medium: 320ms;
  --dur-long: 600ms;
}