:root {
    /* === ÖZEL ÜMİT HASTANELERİ MARKA RENKLERİ === */
    --color-primary:        #8B1A4A;
    --color-primary-dark:   #6D1039;
    --color-primary-light:  #F8E8F0;
    --color-secondary:      #C2185B;
    --color-accent:         #E91E63;

    /* === NÖTRLER === */
    --color-bg:             #F0F2F5;
    --color-surface:        #FFFFFF;
    --color-text:           #1A1A2E;
    --color-text-secondary: #5A6070;
    --color-border:         #E2E5EB;

    /* === ANLAMSAL === */
    --color-success:        #10B981;
    --color-warning:        #F59E0B;
    --color-danger:         #EF4444;
    --color-info:           #3B82F6;

    /* === TİPOGRAFİ === */
    --font-family:          'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-size-base:       15px;
    --font-size-sm:         13px;
    --font-size-lg:         17px;
    --font-size-xl:         22px;
    --font-size-2xl:        30px;

    /* === ARALAK === */
    --spacing-xs:           4px;
    --spacing-sm:           8px;
    --spacing-md:           16px;
    --spacing-lg:           24px;
    --spacing-xl:           32px;
    --spacing-2xl:          48px;

    /* === DÜZEN === */
    --border-radius:        8px;
    --border-radius-lg:     12px;
    --border-radius-xl:     16px;
    --shadow-sm:            0 1px 3px rgba(0,0,0,0.06);
    --shadow-md:            0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg:            0 8px 24px rgba(0,0,0,0.12);
    --transition-speed:     0.2s;

    /* === KAYAN YAZI === */
    --marquee-bg:           var(--color-primary);
    --marquee-text:         #FFFFFF;
    --marquee-speed:        30s;
    --marquee-urgent-bg:    var(--color-danger);
}