:root {
    color-scheme: light;
    --color-accent: #E86D2A;
    --color-accent-hover: #D15F20;
    --color-accent-light: rgba(232,109,42,.08);
    --color-ink: #17141F;
    --color-ink-muted: #645F73;
    --color-bg: #FFFFFF;
    --color-bg-subtle: #F8F7F4;
    --color-surface: #FFFFFF;
    --color-border: rgba(23,20,31,.12);
    --color-success: #1E9E6A;
    --color-danger: #D64545;
    --color-on-accent: #FFFFFF;
    --color-button: #C4511A;
    --color-button-hover: #A54112;
    --color-footer: #F4F1EB;
    --color-footer-ink: #25232F;
    --color-panel-dark: #191920;
    --color-inverse-muted: #B8B7C1;
    --color-footer-muted: #625D56;
    --color-illustration: #FBF0E6;
    --color-secondary-button: #25232F;
    --color-mint: #DBEFE5;
    --color-product-icon: #26805A;
    --color-logo-paper: #FFFFFF;
    --color-focus: #BC4F19;
    --color-overlay: rgba(14,11,31,.65);
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 20px;
    --radius-pill: 999px;
    --shadow-sm: 0 2px 12px rgba(23,20,31,.04);
    --shadow: 0 12px 40px rgba(23,20,31,.07);
    --shadow-lg: 0 24px 80px rgba(23,20,31,.12);
    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 32px;
    --space-5: 40px;
    --space-6: 48px;
    --space-7: 64px;
    --space-8: 80px;
    --space-9: 96px;
    --space-10: 112px;
    --space-11: 128px;
    --space-12: 144px;
    --font-ui: 'Plus Jakarta Sans', system-ui, sans-serif;
    --font-mono: 'DM Mono', monospace;
    --font-size-small: clamp(.78rem,.75rem + .12vw,.875rem);
    --font-size-body: clamp(.95rem,.9rem + .2vw,1.0625rem);
    --font-size-lead: clamp(1.05rem,1rem + .4vw,1.35rem);
    --font-size-h3: clamp(1.2rem,1rem + .6vw,1.6rem);
    --font-size-h2: clamp(1.7rem,1.2rem + 1.5vw,2.5rem);
    --font-size-h1: clamp(2.15rem,1.7rem + 2.3vw,3.8rem);
    --line-body: 1.65;
    --line-heading: 1.12;
    --tracking-heading: -.018em;
    --tracking-label: .12em;
    --content-width: 1200px;
    --reading-width: 780px;
    --form-width: 560px;
    --card-min: 260px;
    --border-width: 1px;
    --focus-width: 3px;
    --focus-offset: 4px;
    --control-height: 48px;
    --logo-width: 188px;
    --nav-height: 80px;
    --motion: 180ms;
    --hidden-size: 1px;
    --primary: var(--color-accent);
    --primary-hover: var(--color-accent-hover);
    --primary-light: var(--color-accent-light);
    --text: var(--color-ink);
    --text-muted: var(--color-ink-muted);
    --bg: var(--color-bg);
    --bg2: var(--color-bg-subtle);
    --card-bg: var(--color-surface);
    --border: var(--color-border);
}
[data-theme="dark"] {
    color-scheme: dark;
    --color-footer: #191920;
    --color-footer-ink: #F5F4FA;
    --color-footer-muted: #B8B7C1;
    --color-accent: #EE8348;
    --color-accent-hover: #F5945E;
    --color-accent-light: rgba(238,131,72,.12);
    --color-ink: #F5F4FA;
    --color-ink-muted: #A9A5BE;
    --color-bg: #121217;
    --color-bg-subtle: #19191F;
    --color-surface: #202027;
    --color-illustration: #33271F;
    --color-mint: #263D35;
    --color-product-icon: #75D0AA;
    --color-secondary-button: #3C394A;
    --color-border: rgba(255,255,255,.08);
    --color-success: #3FC98A;
    --color-danger: #F06767;
    --color-focus: #F19867;
}