/* CSS Custom Properties - Sharp & Professional Design System */

:root {
    /* ===== BRAND COLORS ONLY ===== */

    --color-ash-grey-light: #c9cebd;
    --color-ash-grey: #b2bcaa;
    --color-grey-olive: #838e83;
    --color-taupe-grey: #6c6061;
    --color-chocolate-plum: #64403e;

    /* Neutrals */
    --color-white: #ffffff;
    --color-black: #0a0a0a;
    --color-text-dark: #1a1a1a;
    --color-text-light: #e8e8e8;

    /* Subtle overlays */
    --overlay-dark: rgba(10, 10, 10, 0.8);
    --overlay-light: rgba(255, 255, 255, 0.03);
    --border-subtle: rgba(131, 142, 131, 0.15);

    /* ===== TYPOGRAPHY ===== */

    --font-primary: "manifold-cf", -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Font Sizes */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
    --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
    --text-3xl: clamp(2rem, 1.5rem + 2vw, 3rem);
    --text-4xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);
    --text-5xl: clamp(3rem, 2.5rem + 3vw, 5rem);

    --leading-tight: 1.1;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;

    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.05em;

    /* ===== SPACING ===== */

    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    --section-padding-mobile: var(--space-4xl);
    --section-padding-desktop: var(--space-5xl);

    /* ===== LAYOUT ===== */

    --container-max: 1280px;
    --container-padding: var(--space-lg);

    --breakpoint-tablet: 768px;
    --breakpoint-desktop: 1024px;

    /* ===== EFFECTS - MINIMAL & SHARP ===== */

    /* Sharp borders - minimal radius */
    --radius-none: 0;
    --radius-sm: 2px;
    --radius-md: 4px;

    /* Subtle shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);

    /* Transitions */
    --transition-fast: 150ms ease-out;
    --transition-base: 250ms ease-out;
    --transition-slow: 400ms ease-out;

    /* Z-Index */
    --z-background: -1;
    --z-base: 1;
    --z-elevated: 10;
    --z-navbar: 100;
    --z-modal: 1000;
}