/* ============================================
   LAYOUT.CSS - Layout & Grid Systems
   ============================================ */

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

/* Header Layout */
.header {
    background: var(--bg-header);
    color: var(--text-white);
    padding: 60px 40px;
    text-align: center;
}

.header h1 {
    font-size: 3.5em;
    margin-bottom: 15px;
    font-weight: 300;
    letter-spacing: 2px;
}

.header .tagline {
    font-size: 1.3em;
    opacity: 0.9;
    font-weight: 300;
}

/* Section Layouts */
.section {
    padding: var(--spacing-xl) 40px;
}

.section-white {
    background: var(--bg-primary);
}

.section-gray {
    background: var(--bg-secondary);
}

.section h2 {
    color: var(--primary-dark);
    font-size: var(--font-size-xxl);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

/* Grid Systems */
.grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Flexbox Utilities */
.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-wrap {
    flex-wrap: wrap;
}

.flex-column {
    flex-direction: column;
}

/* Footer */
.footer {
    background: var(--primary-dark);
    color: var(--text-white);
    padding: var(--spacing-lg);
    text-align: center;
}

.footer p {
    margin-bottom: var(--spacing-sm);
}

/* Responsive Layout */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2em;
    }
    
    .section {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .flex {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    body {
        padding: var(--spacing-sm);
    }
    
    .header {
        padding: var(--spacing-xl) var(--spacing-md);
    }
}