/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1.25rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    flex-shrink: 0;
}

.nav-logo h2 {
    color: #2c3e50;
    font-weight: 700;
    font-size: 2rem;
    letter-spacing: -0.5px;
    margin: 0;
    transition: color 0.3s ease;
}

.nav-logo h2:hover {
    color: #e74c3c;
}

.nav-logo a {
    text-decoration: none;
    color: inherit;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    font-size: 1rem;
    padding: 0.75rem 1.5rem;
    display: block;
    transition: all 0.3s ease;
    border-radius: 6px;
    position: relative;
}

.nav-menu a:hover {
    color: #e74c3c;
    background: rgba(231, 76, 60, 0.05);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0.5rem;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%;
    height: 2px;
    background: #e74c3c;
    transition: transform 0.3s ease;
}

.nav-menu a:hover::after {
    transform: translateX(-50%) scaleX(1);
}

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    position: relative;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background: #2c3e50;
    border-radius: 3px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-image: url('images/hero.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
    padding: 100px 20px 50px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    text-align: center;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
}

.btn-primary {
    background: #e74c3c;
    color: white;
    border-color: #e74c3c;
}

.btn-primary:hover {
    background: #c0392b;
    border-color: #c0392b;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background: white;
    color: #667eea;
    transform: translateY(-2px);
}


/* Services Section */
.services {
    padding: 100px 0;
    background: #f8f9fa;
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    transform-origin: center;
    will-change: transform;
}

.service-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px 20px 0 0;
}

.service-card:hover {
    transform: translateY(-10px) scale(1.1) !important;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    background: #f8f9fa;
    z-index: 10;
}


.service-image.concrete {
    background-image: url('images/concrete.png');
}

.service-image.resin {
    background-image: url('images/resin.png');
}

.service-image.micro {
    background-image: url('images/micro.png');
}

.service-content {
    padding: 2rem;
}

.service-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.service-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0;
    color: #2c3e50;
    flex: 1;
}

.service-toggle {
    display: none;
    font-size: 1.2rem;
    color: #e74c3c;
    cursor: pointer;
    padding: 0.5rem;
    flex-shrink: 0;
}

.service-toggle i {
    transition: transform 0.3s ease;
    display: block;
}

.service-toggle.active i {
    transform: rotate(180deg);
}

.service-details {
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease;
}

.service-content p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-features {
    list-style: none;
}

.service-features li {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
    color: #555;
}

.service-features i {
    color: #27ae60;
    margin-right: 0.5rem;
    font-size: 0.9rem;
}

/* About Section */
.about {
    padding: 100px 0;
    background: white;
}

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

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.about-content p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.7;
    font-size: 1.1rem;
}

.about-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    color: #e74c3c;
    margin-bottom: 0.5rem;
}

.stat p {
    color: #666;
    font-weight: 500;
}

/* Why Choose Section */
.why-choose {
    padding: 100px 0;
    background: #f8f9fa;
}

.why-choose h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.why-choose .section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.why-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.why-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.why-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.why-icon i {
    font-size: 2rem;
    color: white;
}

.why-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.why-card p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Gallery Preview Section */
.gallery-preview {
    padding: 100px 0;
    background: white;
}

.gallery-preview h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.gallery-preview .section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.gallery-preview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.gallery-preview-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-preview-item:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.gallery-preview-link-card {
    text-decoration: none;
    color: inherit;
    display: block;
}

.gallery-preview-image {
    position: relative;
    width: 100%;
    padding-top: 75%;
    overflow: hidden;
}

.gallery-preview-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-preview-item:hover .gallery-preview-image img {
    transform: scale(1.1);
}

.gallery-preview-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    padding: 2rem 1.5rem 1.5rem;
    transform: translateY(0);
}

.gallery-preview-overlay h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: white;
}

.gallery-preview-service-type {
    font-size: 0.9rem;
    color: #27ae60;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.gallery-preview-image-count {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
}

.gallery-preview-link {
    text-align: center;
    margin-top: 2rem;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: #2c3e50;
    color: white;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact .section-subtitle {
    color: #bdc3c7;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: #e74c3c;
    width: 30px;
}

.contact-item h4 {
    margin-bottom: 0.5rem;
    color: white;
}

.contact-item p {
    color: #bdc3c7;
}

.contact-form {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #e74c3c;
}

.form-group select option {
    background: #2c3e50;
    color: white;
}

/* Footer */
.footer {
    background: #1a252f;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo h3 {
    margin-bottom: 1rem;
    color: #e74c3c;
}

.footer-logo p {
    color: #bdc3c7;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-social {
    margin-top: 1rem;
}

.footer-social p {
    color: #bdc3c7;
    margin-bottom: 0.5rem;
}

.footer-social a {
    color: #e74c3c;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-social a:hover {
    color: #c0392b;
}

.footer-links h4,
.footer-contact h4 {
    margin-bottom: 1rem;
    color: white;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #e74c3c;
}

.footer-contact p {
    color: #bdc3c7;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-contact i {
    color: #e74c3c;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.footer-contact-item i {
    color: #e74c3c;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.footer-contact-item p {
    color: #bdc3c7;
    margin-bottom: 0.25rem;
    line-height: 1.5;
}

.footer-contact-item a {
    color: #e74c3c;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-contact-item a:hover {
    color: #c0392b;
}

.footer-seo-content {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
}

.footer-seo-text {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-seo-text h4 {
    color: white;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.footer-seo-text p {
    color: #bdc3c7;
    line-height: 1.8;
    font-size: 0.95rem;
    text-align: left;
}

.footer-seo-text strong {
    color: #ecf0f1;
    font-weight: 600;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
    margin-top: 2rem;
}

.footer-links-small {
    margin-top: 1rem;
    font-size: 0.9rem;
}

.footer-links-small a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links-small a:hover {
    color: #e74c3c;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 20px;
    }
    
    .nav-logo h2 {
        font-size: 1.5rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: white;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 80px 30px 30px;
        box-shadow: -2px 0 20px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 1000;
        gap: 0;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu li {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .nav-menu a {
        width: 100%;
        padding: 1rem 0;
        font-size: 1.1rem;
        border-bottom: 1px solid #ecf0f1;
        border-radius: 0;
    }
    
    .nav-menu a::after {
        display: none;
    }
    
    .nav-menu a:hover {
        background: transparent;
        color: #e74c3c;
        padding-left: 10px;
    }
    
    /* Overlay when menu is open */
    .nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        animation: fadeIn 0.3s ease;
    }
    
    .nav-overlay.active {
        display: block;
    }
    
    @keyframes fadeIn {
        from {
            opacity: 0;
        }
        to {
            opacity: 1;
        }
    }
    
    /* Prevent body scroll when menu is open */
    body.menu-open {
        overflow: hidden;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 120px 20px 50px;
    }
    
    .hero-content {
        margin-right: 0;
        margin-bottom: 2rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-toggle.mobile-only {
        display: block;
    }
    
    .service-header {
        cursor: pointer;
        user-select: none;
    }
    
    .service-details {
        max-height: 0;
        opacity: 0;
        margin-top: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, opacity 0.3s ease 0.1s, margin-top 0.3s ease;
    }
    
    .service-card.expanded .service-details {
        max-height: 2000px;
        opacity: 1;
        margin-top: 1rem;
    }
    
    .service-card.expanded .service-toggle i {
        transform: rotate(180deg);
    }
    
    .service-image {
        display: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, opacity 0.3s ease;
    }
    
    .service-card.expanded .service-image {
        display: block;
        max-height: 200px;
        margin-bottom: 0;
    }
    
    .service-card {
        overflow: hidden;
    }
    
    .service-card:hover {
        transform: none !important;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-stats {
        justify-content: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .gallery-preview-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-contact-item {
        justify-content: center;
    }
    
    .footer-seo-text {
        text-align: center;
    }
    
    .footer-seo-text p {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .services h2,
    .about-text h2,
    .contact h2 {
        font-size: 2rem;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Gallery Section */
.gallery-section {
    padding: 120px 0 80px;
    background: #f8f9fa;
    min-height: 100vh;
}

.gallery-section h1 {
    text-align: center;
    font-size: 3rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.gallery-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.gallery-item:hover .gallery-item-overlay {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
}

.gallery-item-image {
    position: relative;
    width: 100%;
    padding-top: 75%; /* 4:3 aspect ratio */
    overflow: hidden;
}

.gallery-item-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-item-image img {
    transform: scale(1.1);
}

.gallery-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    padding: 2rem 1.5rem 1.5rem;
    transform: translateY(0);
    transition: background 0.3s ease;
}

.gallery-item-overlay h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: white;
}

.gallery-service-type {
    font-size: 0.9rem;
    color: #27ae60;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.gallery-image-count {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    overflow: auto;
}

.lightbox-content {
    position: relative;
    margin: auto;
    padding: 20px;
    width: 90%;
    max-width: 1200px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-content img {
    width: 100%;
    height: auto;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 10px;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10000;
    transition: color 0.3s ease;
}

.lightbox-close:hover {
    color: white;
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: #f1f1f1;
    font-size: 50px;
    font-weight: bold;
    cursor: pointer;
    padding: 16px;
    user-select: none;
    transition: color 0.3s ease;
    z-index: 10000;
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    color: white;
}

.lightbox-caption {
    text-align: center;
    color: white;
    padding: 20px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
    margin-top: 20px;
}

.lightbox-caption strong {
    display: block;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.lightbox-caption p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0.5rem 0;
}

.lightbox-counter {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Gallery Preview Responsive */
@media (max-width: 1024px) {
    .gallery-preview-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Gallery Responsive */
@media (max-width: 768px) {
    .gallery-section h1 {
        font-size: 2.5rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    .gallery-preview-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .lightbox-content {
        width: 95%;
        padding: 10px;
    }
    
    .lightbox-close {
        top: 10px;
        right: 20px;
        font-size: 30px;
    }
    
    .lightbox-prev,
    .lightbox-next {
        font-size: 30px;
        padding: 10px;
    }
    
    .lightbox-prev {
        left: 10px;
    }
    
    .lightbox-next {
        right: 10px;
    }
}

@media (max-width: 480px) {
    .gallery-section h1 {
        font-size: 2rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item-overlay {
        transform: translateY(0);
        background: rgba(0, 0, 0, 0.7);
    }
    
    .gallery-preview-grid {
        grid-template-columns: 1fr;
    }
}