/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
    background: #ede7f6;
    color: #311b92;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #ff7043;
    color: white;
    border-radius: 4px;
    text-align: center;
}

.btn:hover {
    background-color: #ff5722;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background-color: white;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 28px;
    font-weight: bold;
}

.main-nav ul {
    display: flex;
    gap: 25px;
}

.main-nav li {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: white;
    min-width: 150px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    z-index: 1;
    padding: 10px 0;
}

.dropdown-content a {
    display: block;
    padding: 10px 15px;
}

.dropdown-content a:hover {
    background-color: #f5f5f5;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.right-menu {
    display: flex;
    align-items: center;
    gap: 20px;
}

.login {
    margin-left: 15px;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 10;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: #333;
    margin: 5px 0;
    transition: 0.4s;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section */
.hero {
    height: 70vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('images/hero.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 24px;
    margin-bottom: 30px;
}

/* Models Section */
.models {
    padding: 80px 50px;
    display: flex;
    justify-content: space-between;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.model-card {
    flex: 1;
    text-align: center;
    padding: 20px;
    border-radius: 8px;
    transition: transform 0.3s;
}

.model-card:hover {
    transform: translateY(-10px);
}

.model-image {
    height: 200px;
    border-radius: 8px;
    margin-bottom: 20px;
    background-size: cover;
    background-position: center;
}

.model-card:nth-child(1) .model-image {
    background-image: url('images/computer-vision.jpg');
}

.model-card:nth-child(2) .model-image {
    background-image: url('images/natural-language.jpg');
}

.model-card:nth-child(3) .model-image {
    background-image: url('images/generative-ai.jpg');
}

.model-card:nth-child(4) .model-image {
    background-image: url('images/ai-automation.jpg');
}

.model-card h2 {
    font-size: 24px;
    margin-bottom: 10px;
}

.model-card p {
    margin-bottom: 20px;
    color: #666;
}

/* Tech Section */
.tech-section {
    padding: 80px 50px;
    background-color: #f5f5f5;
    text-align: center;
}

.section-header {
    max-width: 800px;
    margin: 0 auto 50px;
}

.section-header h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

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

.tech-cards {
    display: flex;
    justify-content: center;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.tech-card {
    width: 300px;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

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

.tech-image {
    height: 180px;
    border-radius: 8px;
    margin-bottom: 15px;
    background-size: cover;
    background-position: center;
}

.tech-card:nth-child(1) .tech-image {
    background-image: url('images/neural-networks.jpg');
}

.tech-card:nth-child(2) .tech-image {
    background-image: url('images/deep-learning.jpg');
}

.tech-card:nth-child(3) .tech-image {
    background-image: url('images/transfer-learning.jpg');
}

.tech-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.tech-card p {
    color: #666;
    font-size: 14px;
}

/* About Section */
.about-section {
    padding: 80px 50px;
    background-color: white;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.about-text {
    flex: 1;
}

.about-text h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 15px;
    color: #666;
    font-size: 16px;
}

.about-text .btn {
    margin-top: 20px;
}

.about-image {
    flex: 1;
    height: 400px;
    border-radius: 8px;
    background-image: url('images/about-company.jpg');
    background-size: cover;
    background-position: center;
}

/* Footer */
footer {
    background: #ff9800;
    color: #fff;
    padding: 50px 20px 0 20px;
}

.footer-top {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-top: 1px solid #333;
    padding-top: 30px;
    gap: 40px;
}

.contact-info {
    flex: 1;
    min-width: 220px;
    text-align: left;
}

.copyright {
    flex: 1;
    min-width: 220px;
    text-align: right;
}

.contact-info p, .copyright p {
    margin-bottom: 5px;
    font-size: 14px;
    color: #ffffff;
}

.copyright p:last-child {
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .models, .tech-cards {
        flex-wrap: wrap;
    }
    
    .model-card, .tech-card {
        width: calc(50% - 15px);
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .about-text, .about-image {
        width: 100%;
    }
}

@media (max-width: 768px) {
    header {
        padding: 15px 20px;
        flex-wrap: wrap;
    }
    
    .mobile-menu-btn {
        display: block;
        order: 3;
    }
    
    .main-nav {
        display: none;
        width: 100%;
        order: 4;
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
        padding: 20px 0;
    }
    
    .dropdown-content {
        position: static;
        box-shadow: none;
        padding-left: 20px;
    }
    
    .right-menu {
        order: 2;
        margin-left: auto;
    }
    
    .models, .tech-cards {
        flex-direction: column;
    }
    
    .model-card, .tech-card {
        width: 100%;
    }
    
    .tech-section, .about-section {
        padding: 50px 20px;
    }
    
    .about-image {
        height: 300px;
    }
    
    .footer-top, .footer-bottom {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .contact-info, .copyright {
        text-align: left;
        min-width: 0;
        width: 100%;
    }
}