/* Base typography & core colors etc. shared across pages */
:root {
    /* Core Colors */
    --offer-color-primary: #4285F4;
    --offer-color-primary-rgb: 66, 133, 244;
    --offer-color-primary-hover: #3367D6;
    --offer-color-text: #1D1B20;
    --offer-color-text-secondary: #49454F;
    --offer-color-surface: #FEF7FF;
    --offer-color-surface-variant: #F1ECF4;
    --offer-color-outline: #79747E;
    --offer-color-gray-400-rgb: 119, 124, 124;

    --color-primary: var(--offer-color-primary);
    --color-primary-hover: var(--offer-color-primary-hover);
    --color-primary-active: #1A73E8;
    --color-btn-primary-text: #ffffff;

    --gdg-blue: #4285F4;
    --gdg-blue-rgb: 66, 133, 244;
    --gdg-blue-ambient: rgba(66, 133, 244, 0.15);
    --gdg-blue-glow: rgba(66, 133, 244, 0.08);
    
    --gdg-red: #EA4335;
    --gdg-red-rgb: 234, 67, 53;
    --gdg-red-ambient: rgba(234, 67, 53, 0.12);
    --gdg-red-glow: rgba(234, 67, 53, 0.06);
    
    --gdg-yellow: #FBBC04;
    --gdg-yellow-rgb: 251, 188, 4;
    --gdg-yellow-ambient: rgba(251, 188, 4, 0.14);
    --gdg-yellow-glow: rgba(251, 188, 4, 0.07);
    
    --gdg-green: #34A853;
    --gdg-green-rgb: 52, 168, 83;
    --gdg-green-ambient: rgba(52, 168, 83, 0.13);
    --gdg-green-glow: rgba(52, 168, 83, 0.06);

    /* Glass Morphism - Light Mode */
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-bg-hover: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-border-hover: rgba(255, 255, 255, 0.7);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.04);
    --glass-shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.1), 0 4px 16px rgba(0, 0, 0, 0.06);
    --glass-blur: 20px;
    --glass-inner-glow: inset 0 1px 0 rgba(255, 255, 255, 0.6);

    --surface-bg: #f8fafc;
    --surface-noise: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");

    /* Spacing + radius */
    --offer-radius-lg: 16px;
    --offer-radius-xl: 24px;
    --offer-radius-full: 9999px;

    /* Shadows */
    --offer-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --offer-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --offer-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --offer-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    --offer-transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --offer-transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --offer-transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Overrides for darkmode */
[data-color-scheme="dark"] {
    --offer-color-primary: #8AB4F8;
    --offer-color-primary-hover: #AECBFA;
    --offer-color-text: #E6E1E5;
    --offer-color-text-secondary: #CAC4D0;
    --offer-color-surface: #141218;
    --offer-color-surface-variant: #49454F;
    --offer-color-outline: #938F99;
    
    --glass-bg: rgba(15, 23, 42, 0.6);
    --glass-bg-hover: rgba(20, 30, 52, 0.75);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(255, 255, 255, 0.14);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.35), 0 2px 8px rgba(0, 0, 0, 0.25);
    --glass-shadow-hover: 0 20px 56px rgba(0, 0, 0, 0.45), 0 8px 24px rgba(0, 0, 0, 0.3);
    --glass-inner-glow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
    
    --gdg-blue-ambient: rgba(66, 133, 244, 0.2);
    --gdg-red-ambient: rgba(234, 67, 53, 0.15);
    --gdg-yellow-ambient: rgba(251, 188, 4, 0.18);
    --gdg-green-ambient: rgba(52, 168, 83, 0.16);
    
    --surface-bg: #0a0f1a;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scrollbar-gutter: stable;
}

body {
    margin: 0;
    font-family: 'Google Sans', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: radial-gradient(circle at top, rgba(66, 133, 244, 0.12), transparent),
        var(--offer-color-surface);
    color: var(--offer-color-text);
    min-height: 100vh;
    line-height: 1.6;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-primary-hover);
}

[data-color-scheme="dark"] body {
    background: #0F1320;
    color: var(--offer-color-text);
}