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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 0;
}

.top-bar {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 8px 0;
    font-size: 13px;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
}

.contact-info span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.contact-info i {
    font-size: 12px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    color: white;
    font-size: 14px;
    transition: opacity 0.3s ease;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.social-links a:hover {
    opacity: 0.8;
    background: rgba(255, 255, 255, 0.2);
}

.navbar {
    background: white;
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 60px;
    max-width: 200px;
    object-fit: contain;
}

.logo h2 {
    color: #1e3c72;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background: #1e3c72;
    margin: 5px 0;
    transition: 0.3s;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
    flex-wrap: wrap;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 14px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #1e3c72;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #1e3c72;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.login-btn {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white !important;
    padding: 8px 20px;
    border-radius: 5px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-btn::after {
    display: none;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 60, 114, 0.3);
    color: white !important;
}

/* Hero Section */
.hero {
    position: relative;
    margin-top: 110px;
    height: 85vh;
    min-height: 600px;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(30, 60, 114, 0.85) 0%, rgba(30, 60, 114, 0.4) 100%);
}

.hero .container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    z-index: 2;
}

.hero-content {
    max-width: 650px;
    color: white;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.95;
    line-height: 1.8;
}

.btn {
    display: inline-block;
    text-decoration: none;
    padding: 14px 35px;
    border-radius: 5px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(238, 90, 36, 0.4);
}

.btn-full {
    width: 100%;
}

.hero-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    font-size: 18px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-nav:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.hero-nav.prev {
    left: 30px;
}

.hero-nav.next {
    right: 30px;
}

.hero-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-dot.active {
    background: white;
    width: 30px;
    border-radius: 6px;
}

/* Section Headers */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 38px;
    font-weight: 800;
    color: #1e3c72;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 18px;
    color: #666;
}

/* Infinite Marquee Styles */
.marquee-container {
    overflow: hidden;
    position: relative;
    padding: 30px 0;
    margin-bottom: 60px;
}

.marquee-container::before,
.marquee-container::after {
    content: '';
    position: absolute;
    top: 0;
    width: 100px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.marquee-container::before {
    left: 0;
    background: linear-gradient(to right, rgba(248, 249, 250, 1) 0%, rgba(248, 249, 250, 0) 100%);
}

.operations .marquee-container::before {
    background: linear-gradient(to right, rgba(248, 249, 250, 1) 0%, rgba(248, 249, 250, 0) 100%);
}

.portfolio .marquee-container::before {
    background: linear-gradient(to right, rgba(10, 25, 47, 1) 0%, rgba(10, 25, 47, 0) 100%);
}

.clients .marquee-container::before {
    background: linear-gradient(to right, rgba(248, 249, 250, 1) 0%, rgba(248, 249, 250, 0) 100%);
}

.marquee-container::after {
    right: 0;
    background: linear-gradient(to left, rgba(248, 249, 250, 1) 0%, rgba(248, 249, 250, 0) 100%);
}

.operations .marquee-container::after {
    background: linear-gradient(to left, rgba(248, 249, 250, 1) 0%, rgba(248, 249, 250, 0) 100%);
}

.portfolio .marquee-container::after {
    background: linear-gradient(to left, rgba(10, 25, 47, 1) 0%, rgba(10, 25, 47, 0) 100%);
}

.clients .marquee-container::after {
    background: linear-gradient(to left, rgba(248, 249, 250, 1) 0%, rgba(248, 249, 250, 0) 100%);
}

.marquee-container:hover .marquee-track {
    animation-play-state: paused;
}

.marquee-track {
    display: flex;
    gap: 30px;
    animation: marquee-scroll 60s linear infinite;
    width: max-content;
    will-change: transform;
}

.marquee-item {
    flex-shrink: 0;
    width: 350px;
    transition: transform 0.3s ease;
}

.marquee-item:hover {
    transform: scale(1.05);
    z-index: 1;
}

.marquee-item-gallery {
    width: 300px;
}

.marquee-item-eu {
    width: 320px;
}

.marquee-item-client {
    width: 320px;
}

.marquee-item .operation-card,
.marquee-item .portfolio-card,
.marquee-item .client-card {
    height: 100%;
    margin: 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.marquee-item-gallery .gallery-item {
    height: 200px;
    width: 100%;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.marquee-item-eu .project-item {
    height: 100%;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

@keyframes marquee-scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Carousel Styles (kept for other uses if needed) */
.carousel-container {
    position: relative;
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 60px;
}

.carousel-track-container {
    flex: 1;
    overflow: hidden;
    border-radius: 10px;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    gap: 20px;
}

.carousel-slide {
    min-width: calc(25% - 15px);
    flex-shrink: 0;
}

.carousel-nav {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    flex-shrink: 0;
    z-index: 2;
}

.carousel-nav:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(30, 60, 114, 0.4);
}

.carousel-section-title {
    font-size: 28px;
    color: #1e3c72;
    margin: 60px 0 30px 0;
    text-align: center;
    font-weight: 700;
}

.portfolio .carousel-section-title {
    color: white;
}

.carousel-section-title:first-of-type {
    margin-top: 40px;
}

/* About Section */
.about {
    background: linear-gradient(135deg, #0a192f 0%, #172a45 100%);
}

.about .section-title {
    color: white;
}

.about .section-subtitle {
    color: #a8b2d1;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.about-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid #64ffda;
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(100, 255, 218, 0.2);
}

.about-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 28px;
}

.about-card h3 {
    font-size: 22px;
    color: #1e3c72;
    margin-bottom: 15px;
    font-weight: 700;
}

.about-card p {
    color: #555;
    line-height: 1.8;
}

/* Operations Section */
.operations {
    position: relative;
    background: linear-gradient(rgba(248, 249, 250, 0.88), rgba(248, 249, 250, 0.88)),
                url('uploads/team/team-img4.jpg') center/cover;
    background-attachment: fixed;
}

.operations .container {
    position: relative;
    z-index: 1;
}

.operations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.operation-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.12);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.operation-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.18);
}

.operation-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.operation-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.operation-card:hover .operation-image img {
    transform: scale(1.05);
}

.operation-content {
    padding: 25px;
}

.operation-content h3 {
    font-size: 18px;
    color: #1e3c72;
    margin-bottom: 10px;
    font-weight: 700;
}

.operation-content p {
    color: #555;
    font-size: 14px;
    line-height: 1.7;
}

/* Services Section */
.services {
    background: #f8f9fa;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
}

.service-header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.service-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.service-header h3 {
    font-size: 20px;
    font-weight: 700;
}

.service-list {
    list-style: none;
    padding: 25px;
}

.service-list li {
    padding: 12px 0;
    color: #555;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    border-bottom: 1px solid #f0f0f0;
    line-height: 1.6;
}

.service-list li:last-child {
    border-bottom: none;
}

.service-list i {
    color: #28a745;
    font-size: 14px;
    margin-top: 4px;
    flex-shrink: 0;
}

/* Portfolio Section */
.portfolio {
    position: relative;
    background: linear-gradient(rgba(10, 25, 47, 0.92), rgba(23, 42, 69, 0.92)),
                url('uploads/portfolio/portfolio-img1.jpg') center/cover;
    background-attachment: fixed;
}

.portfolio .section-title {
    color: white;
}

.portfolio .section-subtitle {
    color: #a8b2d1;
}

.portfolio .carousel-section-title {
    color: white;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.portfolio-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.12);
    transition: transform 0.3s ease;
}

.portfolio-card:hover {
    transform: translateY(-8px);
}

.portfolio-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.portfolio-card:hover .portfolio-image img {
    transform: scale(1.05);
}

.portfolio-content {
    padding: 20px;
}

.portfolio-content h3 {
    font-size: 18px;
    color: #1e3c72;
    margin-bottom: 8px;
    font-weight: 700;
}

.portfolio-content p {
    color: #555;
    font-size: 14px;
    line-height: 1.6;
}

.portfolio-gallery,
.eu-projects {
    margin-top: 60px;
}

.gallery-title,
.projects-title {
    font-size: 28px;
    color: #1e3c72;
    margin-bottom: 30px;
    text-align: center;
    font-weight: 700;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.gallery-item {
    height: 200px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.03);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.project-item {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.project-item:hover {
    transform: translateY(-5px);
}

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

.project-item p {
    padding: 15px 20px;
    color: #555;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
}

/* Clients Section */
.clients {
    background: linear-gradient(rgba(248, 249, 250, 0.93), rgba(248, 249, 250, 0.93)),
                url('uploads/clients/client1.jpg') center/cover;
    background-attachment: fixed;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.client-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.client-card:hover {
    transform: translateY(-8px);
}

.client-logo {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid #f0f0f0;
}

.client-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.client-card h3 {
    font-size: 18px;
    color: #1e3c72;
    margin-bottom: 10px;
    font-weight: 700;
}

.client-card p {
    color: #555;
    font-size: 14px;
    line-height: 1.7;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 50px;
}

.contact-info-section {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.contact-card:hover {
    transform: translateX(5px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 18px;
    color: #1e3c72;
    margin-bottom: 8px;
    font-weight: 700;
}

.contact-details p {
    color: #555;
    line-height: 1.7;
}

.social-links-large {
    display: flex;
    gap: 12px;
    margin-top: 10px;
}

.social-links-large a {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.social-links-large a:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(30, 60, 114, 0.3);
}

.contact-form-section {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    transition: border-color 0.3s ease;
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #1e3c72;
}

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

/* Footer */
.footer {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 40px 0 30px 0;
    text-align: center;
}

.footer-nav {
    margin-bottom: 25px;
}

.footer-menu {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
    list-style: none;
    padding: 0;
}

.footer-menu li a {
    color: white;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: opacity 0.3s ease;
    padding: 5px 10px;
}

.footer-menu li a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.footer-content p {
    opacity: 0.9;
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        gap: 20px;
    }
    
    .hero-title {
        font-size: 38px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .marquee-item {
        width: 300px;
    }
    
    .marquee-item-gallery {
        width: 250px;
    }
    
    .marquee-item-eu {
        width: 280px;
    }
    
    .marquee-item-client {
        width: 280px;
    }
    
    [data-carousel="gallery"] .carousel-slide {
        min-width: calc(50% - 10px);
    }
    
    [data-carousel="eu"] .carousel-slide,
    [data-carousel="clients"] .carousel-slide,
    [data-carousel="portfolio"] .carousel-slide,
    [data-carousel="operations"] .carousel-slide {
        min-width: calc(50% - 10px);
    }
}

@media (max-width: 768px) {
    .footer-menu {
        gap: 15px;
        flex-direction: column;
    }
    
    .operations {
        background-attachment: scroll;
    }
    
    .portfolio {
        background-attachment: scroll;
    }
    
    .clients {
        background-attachment: scroll;
    }
    
    .top-bar-content {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-info {
        justify-content: center;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: white;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        gap: 0;
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        width: 100%;
        text-align: center;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-link {
        display: block;
        padding: 15px 20px;
        width: 100%;
    }
    
    .nav-link::after {
        display: none;
    }
    
    .login-btn {
        margin: 10px;
        display: inline-block;
        width: auto;
    }
    
    .hero {
        margin-top: 150px;
        height: 75vh;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-nav {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .hero-nav.prev {
        left: 15px;
    }
    
    .hero-nav.next {
        right: 15px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 30px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    .marquee-track {
        gap: 15px;
        animation-duration: 40s;
    }
    
    .marquee-container::before,
    .marquee-container::after {
        width: 50px;
    }
    
    @keyframes marquee-scroll {
        0% {
            transform: translateX(0);
        }
        100% {
            transform: translateX(-50%);
        }
    }
    
    .marquee-item {
        width: 280px;
    }
    
    .marquee-item-gallery {
        width: 220px;
    }
    
    .marquee-item-eu {
        width: 260px;
    }
    
    .marquee-item-client {
        width: 260px;
    }
    
    .carousel-container {
        gap: 10px;
    }
    
    .carousel-nav {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .carousel-section-title {
        font-size: 22px;
        margin: 40px 0 20px 0;
    }
    
    [data-carousel="gallery"] .carousel-slide,
    [data-carousel="eu"] .carousel-slide,
    [data-carousel="clients"] .carousel-slide,
    [data-carousel="portfolio"] .carousel-slide,
    [data-carousel="operations"] .carousel-slide {
        min-width: 100%;
    }
    
    .about-grid,
    .operations-grid,
    .services-grid,
    .portfolio-grid,
    .clients-grid,
    .projects-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-section {
        padding: 25px;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .logo h2 {
        font-size: 20px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-content {
        padding: 0 20px;
    }
    
    .contact-info {
        font-size: 12px;
        gap: 10px;
    }
    
    .service-header {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-card {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-icon {
        margin: 0 auto;
    }
}