/* Main CSS for IMSA Website */
:root {
    /* Color Palette */
    --primary-blue: #1e3a8a;
    --primary-blue-dark: #1e40af;
    --primary-blue-light: #3b82f6;
    --secondary-blue: #1e40af;
    --accent-blue: #0ea5e9;
    --accent-silver: #64748b;
    --accent-gray: #94a3b8;
    --text-dark: #1e293b;
    --text-medium: #475569;
    --text-light: #64748b;
    --background-white: #ffffff;
    --background-light: #f8fafc;
    --background-gray: #f1f5f9;
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --success-green: #059669;
    --warning-amber: #d97706;
    --error-red: #dc2626;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

/* Base Styles */
body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--background-white);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.2;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
}

h2 {
    font-size: 2.25rem;
    font-weight: 600;
}

h3 {
    font-size: 1.875rem;
    font-weight: 600;
}

h4 {
    font-size: 1.5rem;
    font-weight: 600;
}

h5 {
    font-size: 1.25rem;
    font-weight: 600;
}

h6 {
    font-size: 1.125rem;
    font-weight: 600;
}

p {
    color: var(--text-medium);
    line-height: 1.7;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    min-height: 44px;
}

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

.btn-primary:hover {
    background-color: var(--primary-blue-dark);
    border-color: var(--primary-blue-dark);
    color: white;
    text-decoration: none;
}

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

.btn-secondary:hover {
    background-color: var(--primary-blue);
    color: white;
    text-decoration: none;
}

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

.btn-outline:hover {
    background-color: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
    text-decoration: none;
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.125rem;
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgb(30 58 138 / 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-medium);
    font-weight: 400;
}

/* Stats */
.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 1rem;
    color: var(--text-medium);
    font-weight: 500;
}

/* Cards */
.agency-card {
    background: var(--background-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all 0.3s ease;
    height: 100%;
}

.agency-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue-light);
}

.agency-card.featured {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-md);
}

.agency-card h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

.agency-card p {
    margin-bottom: var(--spacing-lg);
}

.agency-icon {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.agency-icon img {
    width: 64px;
    height: 64px;
}

/* Grid Layouts */
.agencies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.tiers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.tier-item {
    background: var(--background-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.tier-item h4 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.tier-item ul {
    margin-top: var(--spacing-md);
}

.tier-item li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-medium);
}

/* Process Steps */
.process-step {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-xl);
    gap: var(--spacing-lg);
}

.step-number {
    background: var(--primary-blue);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

/* Timeline */
.process-timeline {
    margin: var(--spacing-xl) 0;
}

.timeline-step {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-lg);
}

.timeline-step .step-number {
    background: var(--accent-blue);
    width: 32px;
    height: 32px;
    font-size: 0.875rem;
}

.timeline-duration {
    display: block;
    font-size: 0.875rem;
    color: var(--text-light);
    font-style: italic;
    margin-top: var(--spacing-xs);
}

/* Search Interface */
.search-interface {
    background: var(--background-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.search-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.filter-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-dark);
}

.search-btn {
    width: 100%;
    margin-top: var(--spacing-md);
}

/* News Grid */
.news-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.news-item.featured {
    background: var(--background-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.news-item.featured .news-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-item.featured .news-content {
    padding: var(--spacing-xl);
}

.news-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.news-category {
    background: var(--primary-blue);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

.news-date {
    color: var(--text-light);
    font-size: 0.875rem;
}

.news-sidebar .news-item {
    background: var(--background-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-light);
}

.read-more {
    color: var(--primary-blue);
    font-weight: 500;
    text-decoration: none;
}

.read-more:hover {
    text-decoration: underline;
}

/* Contact Forms */
.contact-form-section {
    background: var(--background-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.contact-form {
    margin-top: var(--spacing-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.875rem;
    }
    
    .agencies-grid {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .search-filters {
        grid-template-columns: 1fr;
    }
    
    .process-step {
        flex-direction: column;
        text-align: center;
    }
    
    .timeline-step {
        flex-direction: column;
        text-align: center;
    }
    
    .btn-large {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .section-header {
        margin-bottom: var(--spacing-xl);
    }
    
    .agency-card {
        padding: var(--spacing-lg);
    }
    
    .search-interface {
        padding: var(--spacing-lg);
    }
}


.hero-actions {
    margin-top: 30px;
}

.hero-actions .btn-secondary {
    border-color: #3455bd;
    color: #95a9e8;
}