:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --accent: #06d6a0;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }

.hidden {
    display: none !important;
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
}

@media (min-width: 769px) {
    .mobile-only {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }
}