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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* Header */
header {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo img {
    height: 60px;
}

.header-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

.contact-info {
    display: flex;
    gap: 20px;
    font-size: 14px;
}

.contact-info span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-links a {
    color: #2c3e50;
    text-decoration: none;
    padding: 5px;
}

/* Navigation */
nav {
    background: #2c3e50;
}

.main-menu {
    display: flex;
    list-style: none;
}

.main-menu li {
    position: relative;
}

.main-menu a {
    color: white;
    text-decoration: none;
    padding: 15px 20px;
    display: block;
    transition: background 0.3s;
}

.main-menu a:hover,
.main-menu a.active {
    background: #3498db;
}

/* Hero Slider */
.hero-slider {
    position: relative;
    height: 500px;
    overflow: hidden;
}

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

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.slide.active {
    opacity: 1;
}

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

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    background: rgba(0,0,0,0.6);
    padding: 30px;
    border-radius: 10px;
}

.slide-content h2 {
    font-size: 2.5em;
    margin-bottom: 15px;
}

.slide-content p {
    font-size: 1.2em;
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    background: #3498db;
    color: white;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
}

.btn:hover {
    background: #2980b9;
}

.slider-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
}

.slider-nav button {
    background: rgba(0,0,0,0.5);
    color: white;
    border: none;
    padding: 15px;
    cursor: pointer;
    font-size: 18px;
    transition: background 0.3s;
}

.slider-nav button:hover {
    background: rgba(0,0,0,0.8);
}

/* Services */
.services {
    padding: 80px 0;
    background: #f8f9fa;
}

.services h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5em;
    color: #2c3e50;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px 20px;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card i {
    font-size: 3em;
    color: #3498db;
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
    color: #2c3e50;
}

/* About */
.about {
    padding: 80px 0;
}

.about h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2.5em;
    color: #2c3e50;
}

.about-content p {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    font-size: 1.1em;
    line-height: 1.8;
}

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

.feature {
    text-align: center;
    padding: 30px;
}

.feature i {
    font-size: 2.5em;
    color: #3498db;
    margin-bottom: 20px;
}

.feature h4 {
    margin-bottom: 15px;
    color: #2c3e50;
}

/* Products */
.products {
    padding: 80px 0;
    background: #f8f9fa;
}

.products h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5em;
    color: #2c3e50;
}

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

.product-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
}

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

.product-card h3 {
    padding: 20px;
    color: #2c3e50;
}

.product-card p {
    padding: 0 20px 20px;
    color: #666;
}

/* Contact */
.contact {
    padding: 80px 0;
}

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

.contact-info h3,
.contact-form h3 {
    margin-bottom: 30px;
    color: #2c3e50;
    font-size: 1.8em;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-item i {
    color: #3498db;
    font-size: 1.2em;
    margin-top: 5px;
}

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

.contact-form input,
.contact-form textarea {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.contact-form textarea {
    resize: vertical;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    padding: 50px 0 0;
}

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

.footer-section h4 {
    margin-bottom: 20px;
    color: #3498db;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: #ecf0f1;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #3498db;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding: 20px 0;
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    .header-top {
        flex-direction: column;
        gap: 15px;
    }
    
    .header-info {
        align-items: center;
    }
    
    .main-menu {
        flex-direction: column;
    }
    
    .hero-slider {
        height: 400px;
    }
    
    .slide-content h2 {
        font-size: 1.8em;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid,
    .features,
    .products-grid {
        grid-template-columns: 1fr;
    }
}