:root {
    /* ===== COLORS ===== */
    --color-bg: #0f172a;
    --color-surface: #1e293b;

    --color-primary: #38bdf8;
    --color-secondary: #f43f5e;

    --color-text: #f8fafc;
    --color-border: #334155;

    --color-hover-primary: #0ea5e9;
    --color-hover-secondary: #e11d48;

    /* ===== TYPOGRAPHY ===== */
    --font-family: Arial, Helvetica, sans-serif;

    --font-size-title: clamp(2rem, 8vw, 3rem);
    --font-size-subtitle: clamp(1rem, 4vw, 1.15rem);
    --font-size-button: 1rem;

    /* ===== SPACING ===== */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;

    /* ===== BORDER ===== */
    --border-radius: 1rem;
    --border-size: 2px;

    /* ===== SHADOW ===== */
    --shadow-soft: 0 0 20px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 15px rgba(56, 189, 248, 0.35);
    --shadow-glow-strong: 0 0 28px rgba(56, 189, 248, 0.5);

    /* ===== COLOR UTILITIES ===== */
    --color-primary-muted: rgba(56, 189, 248, 0.35);

    /* ===== TRANSITIONS ===== */
    --transition-fast: 125ms ease-in-out;
    --transition-normal: 250ms ease-in-out;

    /* ===== ANIMTIONS ===== */
    --starter-duration: 2500ms;

    /* ===== BUTTON SIZE ===== */
    --button-width: 240px;
    --button-height: 2rem;

    /* ===== INPUT ===== */
    --input-height: 2.5rem;
    --input-padding: 0 1rem;
}