/* Global Variables */
:root {
    --primary-color: #0066cc;
    --secondary-color: #f8f9fa;
    --text-color: #333333;
    --text-light: #666666;
    --white: #ffffff;
    --font-family: 'Inter', sans-serif;
    --header-height: 80px;
    --max-width: 1200px;
}

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

body {
    font-family: var(--font-family);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Layout Utilities */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.flex {
    display: flex;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

.gap-4 {
    gap: 1rem;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
    border: none;
}

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

    .btn-primary:hover {
        opacity: 0.9;
    }

.btn-outline {
    background: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

    .btn-outline:hover {
        background: rgba(255, 255, 255, 0.1);
    }

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

    .btn-white:hover {
        background: #f0f0f0;
    }

.btn-large {
    padding: 14px 32px;
    font-size: 1.05rem;
}

/* Section Styles */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: var(--text-color);
}