:root {
            --primary: #FFD700;
            --primary-dark: #e6c200;
            --dark: #121212;
            --darker: #0a0a0a;
            --gray: #2A2A2A;
            --light: #F5F5F5;
            --lighter: #FFFFFF;
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            background-color: var(--dark);
            color: var(--light);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        /* Typography */
        h1, h2, h3, h4 {
            font-weight: 600;
            line-height: 1.2;
        }
        
        a {
            text-decoration: none;
            color: inherit;
        }
        
        /* Layout */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        section {
            padding: 80px 0;
            position: relative;
        }
        
        .section-title {
            font-size: 2.5rem;
            margin-bottom: 3rem;
            color: var(--primary);
            position: relative;
            display: inline-block;
            text-align: center;
            width: 100%;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: var(--primary);
        }
        
        /* Buttons */
        .btn {
            display: inline-block;
            background-color: var(--primary);
            color: var(--dark);
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            text-align: center;
        }
        
        .btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(255, 215, 0, 0.2);
        }
        
        .btn-block {
            display: block;
            width: 100%;
        }
        
        /* Navigation */
        .navbar {
            background-color: var(--darker);
            padding: 20px 0;
            position: fixed;
            width: 100%;
            top: 0;
            left: 0;
            z-index: 1000;
            transition: var(--transition);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .navbar.scrolled {
            padding: 15px 0;
            background-color: rgba(10, 10, 10, 0.95);
            backdrop-filter: blur(10px);
        }
        
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            color: var(--primary);
            font-weight: 700;
            font-size: 1.5rem;
        }
        
        .nav-links {
            display: flex;
            gap: 30px;
        }
        
        .nav-links a {
            color: var(--light);
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: var(--transition);
        }
        
        .nav-links a:hover {
            color: var(--primary);
        }
        
        .nav-links a:hover::after {
            width: 100%;
        }
        
        .hamburger {
            display: none;
            cursor: pointer;
            background: none;
            border: none;
            color: var(--light);
            font-size: 1.5rem;
        }
        
        /* Hero Section */
        .hero {
            height: 100vh;
            min-height: 700px;
            display: flex;
            align-items: center;
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('images/lab-background.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
            overflow: hidden;
        }
        
        .hero-content {
            max-width: 600px;
            z-index: 2;
        }
        
        .hero h1 {
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            margin-bottom: 1rem;
            color: var(--primary);
        }
        
        .hero h2 {
            font-size: clamp(1.2rem, 2vw, 1.5rem);
            font-weight: 400;
            margin-bottom: 2rem;
            color: var(--lighter);
        }
        
        .hero p {
            margin-bottom: 2rem;
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.9);
        }
        
        .profile-img {
            width: 350px;
            height: 350px;
            border-radius: 50%;
            border: 5px solid var(--primary);
            object-fit: cover;
            margin-left: 50px;
            box-shadow: 0 20px 30px rgba(0, 0, 0, 0.3);
            animation: float 6s ease-in-out infinite;
        }
        
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-20px); }
            100% { transform: translateY(0px); }
        }
        
        /* About Section */
        .about-content {
            display: flex;
            gap: 50px;
            align-items: center;
        }
        
        .about-text {
            flex: 1;
        }
        
        .about-text p {
            margin-bottom: 20px;
            font-size: 1.05rem;
        }
        
        .about-img {
            flex: 1;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 20px 30px rgba(0, 0, 0, 0.2);
        }
        
        .about-img img {
            width: 100%;
            height: auto;
            transition: transform 0.5s;
            display: block;
        }
        
        .about-img:hover img {
            transform: scale(1.05);
        }
        
        /* Research Section */
        .research-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        
        .research-card {
            background-color: var(--gray);
            padding: 30px;
            border-radius: 10px;
            transition: var(--transition);
            border-bottom: 3px solid var(--primary);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .research-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
        }
        
        .research-card h3 {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
        /* Publications Section */
        .publication-list {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .publication-item {
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--gray);
        }
        
        .publication-item h3 {
            color: var(--primary);
            margin-bottom: 10px;
            font-size: 1.2rem;
        }
        
        .publication-item p {
            margin-bottom: 8px;
            font-size: 0.95rem;
        }
        
        .publication-item a {
            color: var(--primary);
            transition: var(--transition);
            display: inline-block;
            margin-top: 10px;
            font-weight: 500;
        }
        
        .publication-item a:hover {
            text-decoration: underline;
        }
        
        /* Team Section */
        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        
        .team-member {
            text-align: center;
            background-color: var(--gray);
            padding: 30px 20px;
            border-radius: 10px;
            transition: var(--transition);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .team-member:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
        }
        
        .team-member img {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid var(--primary);
            margin-bottom: 20px;
            transition: var(--transition);
        }
        
        .team-member:hover img {
            transform: scale(1.05);
        }
        
        .team-member h3 {
            margin-bottom: 10px;
            color: var(--primary);
        }
        
        /* Gallery Section */
        .gallery {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
            margin-top: 40px;
        }
        
        .gallery-item {
            height: 250px;
            overflow: hidden;
            border-radius: 10px;
            position: relative;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .gallery-item:hover img {
            transform: scale(1.1);
        }
        
        .gallery-item::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.3);
            opacity: 0;
            transition: var(--transition);
        }
        
        .gallery-item:hover::after {
            opacity: 1;
        }
        
        /* Join Us Section */
        .join-form {
            max-width: 800px;
            margin: 0 auto;
            background-color: var(--gray);
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }
        
        .form-group {
            margin-bottom: 25px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 10px;
            color: var(--primary);
            font-weight: 500;
        }
        
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border-radius: 5px;
            border: none;
            background-color: var(--dark);
            color: var(--light);
            font-family: 'Poppins', sans-serif;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.2);
        }
        
        .form-group textarea {
            height: 150px;
            resize: vertical;
        }
        
        .checkbox-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 15px;
            margin-top: 10px;
        }
        
        .checkbox-item {
            display: flex;
            align-items: center;
        }
        
        .checkbox-item input {
            width: auto;
            margin-right: 10px;
        }
        
        .form-message {
            padding: 15px;
            border-radius: 5px;
            margin-bottom: 20px;
            text-align: center;
            display: none;
        }
        
        .form-message.success {
            background-color: rgba(0, 255, 0, 0.1);
            color: #00ff00;
            display: block;
        }
        
        .form-message.error {
            background-color: rgba(255, 0, 0, 0.1);
            color: #ff0000;
            display: block;
        }
        
        /* Footer */
        footer {
            background-color: var(--darker);
            padding: 60px 0 30px;
            text-align: center;
        }
        
        .social-links {
            display: flex;
            justify-content: center;
            gap: 25px;
            margin-bottom: 30px;
        }
        
        .social-links a {
            color: var(--light);
            font-size: 1.5rem;
            transition: var(--transition);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: var(--gray);
        }
        
        .social-links a:hover {
            color: var(--primary);
            transform: translateY(-5px);
        }
        
        .footer-text {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            margin-top: 20px;
        }
        
        /* Animations */
        [data-aos] {
            opacity: 0;
            transition: all 0.8s ease;
        }
        
        [data-aos="fade-up"] {
            transform: translateY(30px);
        }
        
        [data-aos="fade-down"] {
            transform: translateY(-30px);
        }
        
        [data-aos="fade-right"] {
            transform: translateX(-30px);
        }
        
        [data-aos="fade-left"] {
            transform: translateX(30px);
        }
        
        [data-aos].aos-animate {
            opacity: 1;
            transform: translate(0);
        }
        
        /* Responsive Styles */
        @media (max-width: 992px) {
            .about-content {
                flex-direction: column;
            }
            
            .profile-img {
                margin-left: 0;
                margin-top: 40px;
            }
            
            .hero-content {
                text-align: center;
                margin: 0 auto;
            }
            
            .hero {
                text-align: center;
                flex-direction: column;
                justify-content: center;
                padding-top: 140px;
            }
            
            .profile-img {
                width: 250px;
                height: 250px;
                margin-top: 40px;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background-color: var(--darker);
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 30px;
                transition: var(--transition);
            }
            
            .nav-links.active {
                left: 0;
            }
            
            .hamburger {
                display: block;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .join-form {
                padding: 30px 20px;
            }
            
            .checkbox-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 576px) {
            section {
                padding: 70px 0;
            }
            
            .section-title {
                font-size: 1.8rem;
                margin-bottom: 2rem;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero h2 {
                font-size: 1.1rem;
            }
			.hero p {
                font-size: 1rem;
            }
			.hero img {
				width: 100%;
				max-width: 250px;      
            }
			
			.btn {            
            color: var(--dark);
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;            
        }
            
            .research-card {
                padding: 20px;
            }
            
            .team-member {
                padding: 20px 15px;
            }
        }

.hero-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
}

.hero-image {
    flex: 1 1 30%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-photo-rounded {
    width: 100%;
    max-width: 300px;          /* Prevents the image from being too large */
    aspect-ratio: 1 / 1;       /* Keeps the image square */
    border-radius: 20px;       /* Rounded corners */
    object-fit: cover;
    border: 4px solid #FFD700; /* Yellow border */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.profile-photo-circle {
    width: 220px;             /* Adjust size as needed */
    height: 220px;
    border-radius: 50%;       /* Makes the image circular */
    object-fit: cover;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}