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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header & Navigation */
header {
    background-color: #1a237e;
    color: white;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo i {
    font-size: 28px;
    color: #00bcd4;
}

.logo h1 {
    font-size: 1.4rem;
    font-weight: 600;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    padding: 5px 0;
    position: relative;
}

.nav-links a:hover {
    color: #00bcd4;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #00bcd4;
    transition: width 0.3s;
}

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

.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(26, 35, 126, 0.85), rgba(0, 188, 212, 0.85)), 
                url('https://images.unsplash.com/photo-1518709268805-4e9042af2176?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 150px 20px 100px;
    margin-top: 70px;
}

.hero-content h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    font-weight: 300;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background-color: #00bcd4;
    color: white;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    border: 2px solid #00bcd4;
}

.cta-button:hover {
    background-color: transparent;
    color: #00bcd4;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 188, 212, 0.3);
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #1a237e;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: #00bcd4;
    margin: 15px auto;
    border-radius: 2px;
}

.project-subtitle {
    text-align: center;
    font-size: 1.5rem;
    color: #00bcd4;
    margin-bottom: 40px;
    font-weight: 600;
}

/* About Section */
.about-content {
    display: flex;
    gap: 40px;
    align-items: center;
    flex-wrap: wrap;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-text h3 {
    color: #1a237e;
    margin: 25px 0 15px;
    font-size: 1.3rem;
}

.about-text ul {
    padding-left: 20px;
    margin-bottom: 20px;
}

.about-text li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 5px;
}

.about-text li::before {
    content: "•";
    color: #00bcd4;
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

.about-image {
    flex: 1;
    min-width: 300px;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

/* Project Section */
.project-info {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.project-description {
    flex: 2;
    min-width: 300px;
}

.project-stats {
    flex: 1;
    min-width: 300px;
}

.project-description h3, .project-stats h3 {
    color: #1a237e;
    margin: 25px 0 15px;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.project-description h3:first-child {
    margin-top: 0;
}

.components-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.component {
    background-color: #e8f4f8;
    padding: 15px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.component:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.component i {
    color: #00bcd4;
    font-size: 1.5rem;
}

.project-description ol {
    padding-left: 20px;
    margin-bottom: 20px;
}

.project-description ol li {
    margin-bottom: 10px;
    padding-left: 5px;
}

.stats-box {
    background-color: #f0f7ff;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 30px;
}

.stat {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid #ddd;
}

.stat:last-child {
    border-bottom: none;
}

.stat i {
    color: #00bcd4;
    font-size: 1.8rem;
    width: 40px;
}

.stat h4 {
    color: #1a237e;
    margin-bottom: 5px;
}

.result-box {
    background-color: #f0f7ff;
    border-radius: 10px;
    padding: 20px;
}

.result-box p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.result-box i {
    color: #4caf50;
}

/* Media Section */
.media-container {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.video-container h3, .photos-container h3 {
    color: #1a237e;
    margin-bottom: 20px;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.photos-description {
    margin-bottom: 30px;
    font-size: 1.1rem;
    color: #555;
}

.video-wrapper {
    max-width: 800px;
    margin: 0 auto;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

video {
    width: 100%;
    display: block;
}

.video-caption {
    text-align: center;
    padding: 15px;
    background-color: #f0f7ff;
    font-style: italic;
}

.photos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
}

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

.photo-item:hover {
    transform: translateY(-10px);
}

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

.photo-caption {
    padding: 15px;
    text-align: center;
    font-weight: 500;
    color: #1a237e;
}

/* Contact Section */
.contact-content {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.contact-info, .contact-abstract {
    flex: 1;
    min-width: 300px;
}

.contact-info h3, .contact-abstract h3 {
    color: #1a237e;
    margin-bottom: 20px;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info i {
    color: #00bcd4;
    width: 20px;
}

.abstract-box {
    background-color: #f0f7ff;
    border-radius: 10px;
    padding: 25px;
}

.keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.keyword {
    background-color: #00bcd4;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* Footer */
footer {
    background-color: #1a237e;
    color: white;
    padding: 40px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-logo i {
    font-size: 28px;
    color: #00bcd4;
}

.footer-info p {
    margin-bottom: 5px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    color: white;
    font-size: 1.5rem;
    transition: color 0.3s;
}

.footer-social a:hover {
    color: #00bcd4;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background-color: #1a237e;
        width: 100%;
        text-align: center;
        padding: 20px 0;
        transition: left 0.3s;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .project-subtitle {
        font-size: 1.2rem;
    }
    
    .photos-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 120px 20px 80px;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .components-grid {
        grid-template-columns: 1fr;
    }
    
    .photos-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}