/* ===== CSS Variables ===== */
:root {
    /* Colors - Apple Inspired Light Theme */
    --primary: #0071E3;
    /* Apple Blue */
    --primary-dark: #0077ED;
    --primary-light: #409CFF;
    --secondary: #5E5CE6;
    /* Soft Purple */
    --accent: #2997FF;
    /* Sky Blue */

    /* Background & Surface */
    --background: #FFFFFF;
    /* Pure White */
    --surface: #F5F5F7;
    /* Apple Light Grey */
    --surface-hover: #E8E8ED;
    --surface-solid: #FFFFFF;

    /* Text */
    --text-primary: #1D1D1F;
    /* Apple Black */
    --text-secondary: #86868B;
    /* Apple Dark Grey */
    --text-muted: #A1A1A6;

    /* Borders & Shadows */
    --border: #D2D2D7;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08);
    /* Softer shadows */
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.12);

    /* Gradients (Subtle) */
    --gradient-primary: linear-gradient(135deg, #0071E3 0%, #409CFF 100%);
    --gradient-accent: linear-gradient(135deg, #2997FF 0%, #5E5CE6 100%);
    --gradient-hero: #FFFFFF;
    /* Clean white background for hero */

    /* Spacing - Spacious Layout */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    /* Very spacious */

    /* Typography - San Francisco Style */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1.0625rem;
    /* 17px base size like Apple */
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 3rem;
    --font-size-4xl: 4rem;
    --font-size-5xl: 5rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.25rem;
    --radius-xl: 1.875rem;
    /* Larger radius */
    --radius-2xl: 2.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 200ms cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-base: 400ms cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-slow: 600ms cubic-bezier(0.25, 0.1, 0.25, 1);

    /* Container */
    --container-max: 1200px;
    /* Reduced slightly for focused content */
    --container-padding: 2rem;

    /* Navbar */
    --navbar-height: 80px;
    /* Slightly shorter navbar for cleaner look */
}