* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #0047AB;
    --primary-red: #E31E24;
    --dark-blue: #1a2332;
    --light-blue: #4A90E2;
    --gray-dark: #333;
    --gray-medium: #666;
    --gray-light: #999;
    --bg-light: #f5f5f5;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--gray-dark);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: var(--light-blue);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 71, 171, 0.3);
}

.btn-secondary {
    background: var(--primary-red);
    color: var(--white);
}

.btn-secondary:hover {
    background: #c41a1f;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(227, 30, 36, 0.3);
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--dark-blue);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-red);
}

.section-title p {
    color: var(--gray-medium);
    font-size: 1.1rem;
}

header {
    background: var(--dark-blue);
    color: var(--white);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
}

nav ul {
    display: flex;
    gap: 30px;
}

nav a {
    color: var(--white);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-red);
    transition: var(--transition);
}

nav a:hover::after,
nav a.active::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

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

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
}

.slide img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.5);
}

.slide-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
    max-width: 900px;
}

.slide-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.slide-content p {
    font-size: 1.4rem;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.slide-content .btn {
    animation: fadeInUp 1.2s ease;
}

.slider-prev,
.slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: var(--white);
    border: none;
    padding: 15px 20px;
    font-size: 2rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
    border-radius: 5px;
}

.slider-prev:hover,
.slider-next:hover {
    background: rgba(0, 0, 0, 0.8);
}

.slider-prev {
    left: 20px;
}

.slider-next {
    right: 20px;
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 12px;
}

.dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

.dot.active {
    background: var(--white);
    transform: scale(1.2);
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.about {
    padding: 80px 0;
    background: var(--white);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin: 50px 0;
}

.stat-item {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    padding: 40px 20px;
    border-radius: 10px;
    text-align: center;
    color: var(--white);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 71, 171, 0.3);
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.95;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-top: 50px;
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--dark-blue);
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 15px;
    color: var(--gray-medium);
    line-height: 1.8;
}

.about-features {
    margin: 30px 0;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 25px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 10px;
    transition: var(--transition);
}

.feature-item:hover {
    background: var(--white);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transform: translateX(10px);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: 1.2rem;
    color: var(--dark-blue);
    margin-bottom: 8px;
}

.feature-text p {
    color: var(--gray-medium);
    font-size: 0.95rem;
    margin: 0;
}

.about-image img {
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.products {
    padding: 80px 0;
    background: var(--bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.product-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.product-image {
    height: 250px;
    overflow: hidden;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-content {
    padding: 25px;
}

.product-content h3 {
    font-size: 1.5rem;
    color: var(--dark-blue);
    margin-bottom: 15px;
}

.product-content p {
    color: var(--gray-medium);
    margin-bottom: 20px;
}

.why-us {
    padding: 80px 0;
    background: var(--white);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.why-card {
    text-align: center;
    padding: 30px;
    border-radius: 10px;
    background: var(--bg-light);
    transition: var(--transition);
}

.why-card:hover {
    background: var(--white);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.why-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
}

.why-card h3 {
    font-size: 1.3rem;
    color: var(--dark-blue);
    margin-bottom: 15px;
}

.why-card p {
    color: var(--gray-medium);
    line-height: 1.7;
}

.references {
    padding: 80px 0;
    background: var(--bg-light);
}

.references-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-top: 50px;
}

.reference-item {
    background: var(--white);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.reference-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.12);
}

.reference-item::before {
    content: '✓';
    display: block;
    width: 40px;
    height: 40px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    margin: 0 auto 15px;
    line-height: 40px;
    font-size: 1.5rem;
    font-weight: bold;
}

.contact {
    padding: 80px 0;
    background: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 50px;
}

.contact-info {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 10px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 1.2rem;
    color: var(--dark-blue);
    margin-bottom: 8px;
}

.contact-details p,
.contact-details a {
    color: var(--gray-medium);
    display: block;
    margin-bottom: 5px;
}

.contact-details a:hover {
    color: var(--primary-blue);
}

.contact-form {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 10px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--dark-blue);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

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

footer {
    background: var(--dark-blue);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    margin-bottom: 20px;
    color: var(--white);
    font-size: 1.3rem;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
    display: block;
}

.footer-section a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 50px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    height: 250px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    cursor: pointer;
}

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

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 71, 171, 0.8);
    opacity: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay span {
    color: var(--white);
    font-size: 2rem;
}

.page-header {
    background: linear-gradient(135deg, var(--dark-blue), var(--primary-blue));
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.page-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.content-section {
    padding: 60px 0;
}

.info-box {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 30px;
    border-left: 4px solid var(--primary-blue);
}

.info-box h3 {
    color: var(--dark-blue);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.info-box p,
.info-box ul {
    color: var(--gray-medium);
    line-height: 1.8;
}

.info-box ul {
    padding-left: 20px;
}

.info-box ul li {
    list-style: disc;
    margin-bottom: 10px;
}

.mission-vision {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 40px;
}

.mission-card,
.vision-card {
    padding: 40px;
    border-radius: 10px;
    text-align: center;
}

.mission-card {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    color: var(--white);
}

.vision-card {
    background: linear-gradient(135deg, var(--primary-red), #ff4444);
    color: var(--white);
}

.mission-card h3,
.vision-card h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.mission-card ul,
.vision-card ul {
    text-align: left;
    padding-left: 20px;
}

.mission-card ul li,
.vision-card ul li {
    list-style: disc;
    margin-bottom: 12px;
    line-height: 1.7;
}