/* Modal Components */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-container {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
    color: var(--gray-900);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--gray-500);
    cursor: pointer;
    transition: color var(--transition-fast);
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--gray-900);
}

/* Form Components */
.contact-form {
    display: flex;
    flex-direction: column;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group label {
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-600);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer Components */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: var(--space-lg);
}

.footer-brand p {
    margin-bottom: var(--space-lg);
    color: var(--gray-400);
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.social-links a:hover {
    background: var(--primary-600);
    color: white;
    transform: translateY(-2px);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.newsletter-form {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.newsletter-form input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--gray-700);
    border-radius: var(--radius-md);
    background: var(--gray-800);
    color: white;
    font-size: 0.875rem;
}

.newsletter-form input::placeholder {
    color: var(--gray-500);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary-600);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--space-xl);
}

.footer-bottom-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-bottom-links {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.875rem;
}

.footer-bottom-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: white;
}

.divider {
    color: var(--gray-600);
}

/* Icon System */
.icon-arrow-right::after { content: '→'; }
.icon-external-link::after { content: '↗'; }
.icon-send::after { content: '✉'; }
.icon-globe::after { content: '🌐'; }
.icon-twitter::after { content: '🐦'; }
.icon-linkedin::after { content: '💼'; }

/* Utility Classes */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

.mb-0 { margin-bottom: 0; }
.mt-auto { margin-top: auto; }

/* Dark Theme Adjustments */
[data-theme="dark"] .footer {
    background: var(--gray-800);
}

[data-theme="dark"] .modal-container {
    background: var(--gray-800);
    color: var(--gray-100);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea {
    background: var(--gray-700);
    border-color: var(--gray-600);
    color: var(--gray-100);
}

[data-theme="dark"] .feature-card,
[data-theme="dark"] .pricing-card,
[data-theme="dark"] .portfolio-item {
    background: var(--gray-800);
    border-color: var(--gray-700);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
}