/* ===== PROJECTS PAGE CSS ===== */

/* ===== PAGE HERO ===== */
.page-hero {
    position: relative;
    padding: var(--spacing-2xl) 0;
    padding-top: calc(var(--spacing-2xl) + 80px); /* Compensar navbar fijo */
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    text-align: center;
    overflow: hidden;
}

.page-hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-hero-content p {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== PROJECTS OVERVIEW ===== */
.projects-overview {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
}

.overview-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.overview-content h2 {
    margin-bottom: var(--spacing-md);
}

.overview-content p {
    font-size: var(--font-size-lg);
    line-height: 1.8;
}

/* ===== FEATURED PROJECTS ===== */
.featured-projects {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-2xl);
}

/* Force 4 columns for projects on large screens */
@media (min-width: 1400px) {
    .projects-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.project-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.project-card:hover .project-image {
    box-shadow: var(--shadow-xl);
}

.project-card.featured {
    border: 2px solid var(--accent-color);
}

.project-image {
    position: relative;
    height: 140px;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.project-preview {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: var(--border-radius);
}

.project-screenshot {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    position: relative;
}

.preview-content {
    text-align: center;
    color: var(--text-white);
    z-index: 2;
    width: 100%;
}

.preview-content i {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xs);
    display: block;
    opacity: 0.9;
}

.preview-content h4 {
    font-size: var(--font-size-base);
    margin: 0 0 var(--spacing-xs) 0;
    font-weight: 600;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.preview-content p {
    font-size: var(--font-size-xs);
    margin: 0;
    opacity: 0.8;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-overlay i {
    font-size: var(--font-size-3xl);
    color: var(--text-white);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.project-preview:hover .project-overlay {
    opacity: 1;
}

.project-preview:hover .project-screenshot {
    transform: scale(1.05);
}

@keyframes shine {
    0%, 100% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
}

/* Project-specific preview styles */
.kearnit-preview {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #64748b 100%);
    position: relative;
}

.kearnit-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    animation: shine 3s ease-in-out infinite;
}

.lja-preview {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #2563eb 100%);
    position: relative;
}

.lja-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    animation: shine 3s ease-in-out infinite;
}

.clarinete-preview {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #64748b 100%);
    position: relative;
}

.clarinete-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    animation: shine 3s ease-in-out infinite;
}

.movimiento-preview {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #2563eb 100%);
    position: relative;
}

.movimiento-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    animation: shine 3s ease-in-out infinite;
}

.canon-preview {
    background: linear-gradient(135deg, #2563eb 0%, #1e3a8a 50%, #0f172a 100%);
    position: relative;
}

.canon-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    animation: shine 3s ease-in-out infinite;
}

.project-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--accent-color);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.project-content {
    padding: var(--spacing-md);
}

.project-content h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.tech-tag {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.tech-tag:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-1px);
}

.project-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.stat i {
    color: var(--primary-color);
    width: 16px;
}

.project-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-sm);
}

.project-actions .btn {
    flex: 1;
    min-width: 120px;
}

/* ===== PROFESSIONAL COLLABORATIONS ===== */
.professional-collaborations {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
}

.collaborations-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.collaboration-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

.collaboration-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.collaboration-card.featured {
    border: 2px solid var(--accent-color);
    box-shadow: var(--shadow-lg);
}

.collaboration-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border-bottom: 1px solid var(--border-color);
}

.company-logo {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.company-logo i {
    font-size: var(--font-size-2xl);
    color: var(--text-white);
}

.company-info {
    flex: 1;
}

.company-info h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-xl);
}

.company-url {
    color: var(--accent-color);
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
    font-weight: 500;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.collaboration-badge {
    background: var(--primary-color);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-xs);
    font-weight: 500;
    display: inline-block;
}

.collaboration-content {
    padding: var(--spacing-xl);
}

.collaboration-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-base);
}

.collaboration-tech {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.collaboration-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.collaboration-stats .stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.collaboration-stats .stat i {
    color: var(--accent-color);
    font-size: var(--font-size-lg);
}

.collaboration-stats .stat span {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.collaboration-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.collaboration-actions .btn {
    flex: 1;
    min-width: 140px;
}

/* ===== INFRASTRUCTURE PROJECTS ===== */
.infrastructure-projects {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

/* Infrastructure Overview Card */
.infrastructure-overview-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    text-align: center;
}

.infrastructure-overview-card .overview-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.infrastructure-overview-card .overview-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.infrastructure-overview-card .overview-icon i {
    font-size: var(--font-size-3xl);
    color: var(--text-white);
}

.infrastructure-overview-card .overview-text h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xl);
}

.infrastructure-overview-card .overview-text p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: var(--font-size-lg);
}

/* Enhanced Infrastructure Grid */
.enhanced-infrastructure-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

/* Force 3 columns for infrastructure on large screens */
@media (min-width: 1400px) {
    .enhanced-infrastructure-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.enhanced-infrastructure-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

.enhanced-infrastructure-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.enhanced-infrastructure-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.enhanced-infrastructure-card:hover::before {
    transform: scaleX(1);
}

/* Infrastructure Header */
.infrastructure-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.infrastructure-icon-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.infrastructure-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.infrastructure-icon i {
    font-size: var(--font-size-xl);
    color: var(--text-white);
}

/* Status Indicator */
.infrastructure-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--success-color);
    animation: pulse 2s ease-in-out infinite;
}

.status-dot.active {
    background-color: var(--success-color);
}

.status-label {
    font-size: var(--font-size-sm);
    color: var(--success-color);
    font-weight: 500;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.infrastructure-title h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-lg);
}

.infrastructure-tag {
    background: var(--accent-color);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
    display: inline-block;
}

/* Infrastructure Content */
.infrastructure-content {
    padding: var(--spacing-lg);
}

.infrastructure-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
}

.infrastructure-features h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-base);
    font-weight: 600;
}

.infrastructure-features ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: var(--spacing-md);
}

.infrastructure-features li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-md);
    position: relative;
    font-size: var(--font-size-sm);
}

.infrastructure-features li::before {
    content: '⚡';
    color: var(--accent-color);
    position: absolute;
    left: 0;
}

/* Technology Grid */
.infrastructure-tech h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-base);
    font-weight: 600;
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

/* Infrastructure Metrics */
.infrastructure-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.infrastructure-metrics .metric {
    text-align: center;
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.infrastructure-metrics .metric-number {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.infrastructure-metrics .metric-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Infrastructure Footer */
.infrastructure-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.infrastructure-detail-btn {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.infrastructure-detail-btn:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Infrastructure Summary Section */
.infrastructure-summary-section {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.infrastructure-summary-section .summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.infrastructure-summary-section .summary-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.infrastructure-summary-section .summary-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.infrastructure-summary-section .summary-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.infrastructure-summary-section .summary-icon i {
    font-size: var(--font-size-xl);
    color: var(--text-white);
}

.infrastructure-summary-section .summary-content h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-base);
}

.infrastructure-summary-section .summary-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.infrastructure-summary-section .summary-content p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* ===== PROJECT STATISTICS ===== */
.project-stats {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    text-align: center;
}

/* Responsive adjustments for stats grid */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
}

.stat-item {
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.stat-icon i {
    font-size: var(--font-size-xl);
    color: var(--text-white);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    font-weight: 500;
}

/* ===== CTA SECTION ===== */
.cta {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--text-white);
    text-align: center;
}

.cta-content h2 {
    color: var(--text-white);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.cta .btn {
    background: var(--text-white);
    color: var(--primary-color);
    border: 2px solid var(--text-white);
}

.cta .btn:hover {
    background: transparent;
    color: var(--text-white);
    transform: translateY(-2px);
}

/* ===== MODALS ===== */
.modal {
    display: none;
    position: fixed;
    z-index: var(--z-modal);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--bg-primary);
    margin: 5% auto;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-xl);
}

.close {
    color: var(--text-light);
    float: right;
    font-size: var(--font-size-2xl);
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    transition: var(--transition);
}

.close:hover {
    color: var(--text-primary);
}

/* Infrastructure Modal */
.infrastructure-modal {
    display: none;
    position: fixed;
    z-index: var(--z-modal);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.infrastructure-modal-content {
    background-color: var(--bg-primary);
    margin: 5% auto;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 900px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-xl);
}

.infrastructure-modal-close {
    color: var(--text-light);
    float: right;
    font-size: var(--font-size-2xl);
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    transition: var(--transition);
}

.infrastructure-modal-close:hover {
    color: var(--text-primary);
}

/* Collaboration Modal */
.collaboration-modal {
    display: none;
    position: fixed;
    z-index: var(--z-modal);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.collaboration-modal-content {
    background-color: var(--bg-primary);
    margin: 5% auto;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 900px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-xl);
}

.collaboration-modal-close {
    color: var(--text-light);
    float: right;
    font-size: var(--font-size-2xl);
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    transition: var(--transition);
}

.collaboration-modal-close:hover {
    color: var(--text-primary);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
    .enhanced-infrastructure-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: var(--spacing-md);
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }
    
    .collaborations-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .project-stats {
        grid-template-columns: 1fr 1fr;
    }
    
    .enhanced-infrastructure-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .collaborations-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .collaboration-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .collaboration-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .collaboration-actions {
        flex-direction: column;
    }
    
    .collaboration-actions .btn {
        width: 100%;
    }
    
    .infrastructure-metrics {
        grid-template-columns: 1fr;
    }
    
    .infrastructure-summary-section .summary-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    

    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .modal-content,
    .infrastructure-modal-content,
    .collaboration-modal-content {
        margin: 10% auto;
        width: 95%;
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .project-card {
        margin: 0 var(--spacing-xs);
    }
    
    .project-content {
        padding: var(--spacing-md);
    }
    
    .project-actions {
        flex-direction: column;
    }
    
    .project-actions .btn {
        width: 100%;
    }
    
    .collaborations-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    

    
    .infrastructure-overview-card .overview-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .enhanced-infrastructure-card {
        margin: 0 var(--spacing-xs);
    }
    
    .infrastructure-header,
    .infrastructure-content,
    .infrastructure-footer {
        padding: var(--spacing-md);
    }
    
    .tech-grid {
        gap: var(--spacing-xs);
    }
    
    .tech-tag {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs);
    }
    
    .collaboration-card {
        margin: 0 var(--spacing-xs);
    }
    
    .collaboration-content {
        padding: var(--spacing-md);
    }
    
    .company-logo {
        width: 60px;
        height: 60px;
    }
    
    .company-logo i {
        font-size: var(--font-size-xl);
    }
}