/* 
|--------------------------------------------------------------------------
| Global Foundation & CSS Variables
|--------------------------------------------------------------------------
| Premium Red, White, Black theme
*/

:root {
    /* Colors */
    --color-primary: #E24747;
    --color-primary-dark: #C13333;
    --color-primary-light: #FFEDED;
    --color-black: #000000;
    --color-white: #FFFFFF;
    
    /* Neutrals */
    --color-background: #F7F7F7;
    --color-surface: #FFFFFF;
    --color-border: #E5E5E5;
    --color-border-hover: #D1D1D1;
    --color-text: #333333;
    --color-muted: #6B6B6B;
    --color-light-gray: #F2F2F2;

    /* Typography */
    --font-ui: 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* Metrics */
    --container-max-width: 1440px;
    --container-padding: 2rem;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    
    /* Transitions */
    --transition-fast: 200ms ease;
    --transition-normal: 300ms ease;
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-ui);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.5;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--color-black);
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: clamp(40px, 5vw, 64px); letter-spacing: -0.02em; }
h2 { font-size: clamp(32px, 4vw, 48px); letter-spacing: -0.01em; }
h3 { font-size: clamp(24px, 3vw, 32px); }

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Layout */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: 80px 0;
}

.section-title {
    margin-bottom: 40px;
}

.section-title h2 {
    margin-bottom: 8px;
}

.section-title p {
    color: var(--color-muted);
    font-size: 18px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
}

.btn-outline-primary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline-primary:hover {
    background-color: var(--color-primary-light);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Utilities */
.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-muted); }
.font-medium { font-weight: 500; }
.font-bold { font-weight: 700; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.block { display: block; }
.text-center { text-align: center; }