body, html {
    margin: 0;
    padding: 0;
    font-family: "Urbanist", sans-serif;
}
* {
    font-family: "Urbanist", sans-serif;
}
.BOOK a{
    text-decoration: none;
    color: white;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgb(255, 255, 255);
    box-shadow: 0 0 5px;
    padding: 0 20px;
    z-index: 1000;
}

.logo-container {
    display: flex;
    align-items: center;
}

#colab-logo {
    width: 150px;
    height: 100px;
    background: rgb(255, 255, 255);
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 30px;
    margin-right: 80px;
    text-decoration: none;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    color: inherit;
}

.nav-links a:hover {
    color: #4f82ae;
    font-size: 20px;
    font-weight: bold;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}
        
        .parallax {
            min-height: 500px;
            background-attachment: fixed;
            background-position: center;
            background-repeat: no-repeat;
            background-size: cover;
            display: flex;
            align-items: center;
            justify-content: flex-start;
            flex-direction: column;
}
        
        #page1 {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            justify-content: center;
            height: 600px;
            background-size: cover;
            padding-top: 100px;
            background-image: url('../UpdatePhotos/Background.png');
        }
        
        #page1 h1 {
            color: rgb(251, 255, 255);
            margin-bottom: 0;
            width: 750px;
            display: flex;
            font-style: italic;
            margin-left: 150px;
            font-size: 70px;
        }
        
        #page1 h2 {
            border-bottom: solid white 5px;
            width: 530px;
            margin-left: 150px;
        }
        
        .BOOK {
            margin-left: 150px;
            color: white;
            background-color: #80a158;
            border: solid white 3px;
            border-radius: 75px;
            font-size: 20px;
            padding: 10px 20px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .BOOK:hover {
            background-color: #6b8a4a;
            transform: translateY(-2px);
        }
        
        #page2 {
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 50px 20px;
        }
        
        #page2 h2 {
            font-size: 35px;
            color: #538cb7;
            font-style: italic;
        }
        
        #page2 p {
            font-size: 22px;
            width: 1300px;
            max-width: 100%;
        }
        
        .sub-footer {
            display: flex;
            align-items: center;
            flex-direction: row;
            justify-content: center;
            padding: 50px 20px;
            gap: 40px;
        }
        
        .sub-footer img {
            width: 350px;
            height: 250px;
        }
        
        .sub-footer p {
            width: 500px;
            text-align: center;
        }
        
        .sub-footer h2 {
            border: solid black 1px;
            border-top: -50px;
               width: 500px;
        }
        
        .foot {
            display: flex;
            flex-direction: column;
        }
        
        .footer-social {
            display: flex;
            margin-top: 20px;
            gap: 15px;
            margin-bottom: 15px;
            justify-content: flex-start;
        }
        
        .social-icon {
            font-size: 30px;
            color: #333;
            text-decoration: none;
        }
        
        .social-icon:hover {
            color: #007bff;
        }
        
        .contact {
            display: flex;
            flex-direction: row;
            justify-content: flex-start;
            gap: 80px;
            align-items: center;
        }
        
        .mail {
            display: flex;
            flex-direction: row;
            align-items: center;
            justify-content: center;
            max-width: 500px;
            gap: 5px;
        }
        
        .mail img {
            width: 70px;
            height: 40px;
            display: flex;
        }
        
        .mail p {
            margin: 0;
            min-width: 200px;
            display: flex;

        }
        
        footer {
            background-color: #3e73a0;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 30px;
            color: white;
        }
        
        /* Mobile Styles */
        @media (max-width: 768px) {
            .navbar {
                height: 70px;
                padding: 0 15px;
            }
            
            #colab-logo {
                width: 120px;
                height: 70px;
            }
            
            .nav-links {
                position: fixed;
                top: 70px;
                right: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: white;
                flex-direction: column;
                justify-content: flex-start;
                align-items: center;
                gap: 30px;
                padding-top: 50px;
                margin-right: 0;
                transition: right 0.3s ease;
                box-shadow: -2px 0 5px rgba(0,0,0,0.1);

            }
            
            .nav-links.active {
                right: 0;
                height: 300px;
            }
            
            .nav-links li {
                font-size: 18px;
            }
            
            .hamburger {
                display: flex;
            }
            
            .hamburger.active span:nth-child(1) {
                transform: rotate(-45deg) translate(-5px, 6px);
            }
            
            .hamburger.active span:nth-child(2) {
                opacity: 0;
            }
            
            .hamburger.active span:nth-child(3) {
                transform: rotate(45deg) translate(-5px, -6px);
            }
            
            #page1 {
                padding: 70px 20px 50px 20px;
                text-align: center;
                align-items: center;

            }
            #page1 {
                height: 500px;
            }
            #page1 h1 {
                font-size: 40px;
                width: 100%;
                margin-left: 0;
                text-align: center;
            }
            
            #page1 h2 {
                width: 80%;
                margin-left: 0;
                margin: 20px auto;
            }
            
            .BOOK {
                margin-left: 0;
                margin-top: 30px;
            }
            
            #page2 {
                padding: 30px 20px;
            }
            
            #page2 h2 {
                font-size: 28px;
            }
            
            #page2 p {
                font-size: 18px;
                width: 100%;
            }
            
            .sub-footer {
                flex-direction: column;
                padding: 30px 20px;
                gap: 30px;
            }
            
            .sub-footer img {
                width: 250px;
                height: 180px;
            }
            
            .sub-footer p {
                width: 100%;
                font-size: 16px;
            }
            
            .contact {
                flex-direction: column;
                gap: 20px;
                align-items: center;
            }
            
            .footer-social {
                justify-content: center;
            }
            
            .mail {
                max-width: 100%;
                justify-content: center;
            }
            
            .mail p {
                font-size: 14px;
                min-width: auto;
            }
        }
        
        /* Small Mobile Styles */
        @media (max-width: 480px) {
            .navbar {
                height: 60px;
                padding: 0;
            }
            
            #colab-logo {
                width: 100px;
                height: 60px;
            }
            
            .nav-links {
                top: 43px;
                height: calc(100vh - 60px);
            }
            
            #page1 h1 {
                font-size: 32px;
            }
            
            #page2 h2 {
                font-size: 24px;
            }
            
            #page2 p {
                font-size: 16px;
            }
            
            .sub-footer img {
                width: 200px;
                height: 150px;
            }
            
            .BOOK {
                font-size: 18px;
                padding: 8px 16px;
            }
        }
        
        /* Tablet Styles */
        @media (max-width: 1024px) and (min-width: 769px) {
            #page1 h1 {
                font-size: 60px;
                width: 90%;
                margin-left: 50px;
            }
            
            #page1 h2 {
                width: 70%;
                margin-left: 50px;
            }
            
            .BOOK {
                margin-left: 50px;
            }
            
            #page2 p {
                width: 90%;
                font-size: 20px;
            }
            
            .sub-footer {
                padding: 40px 20px;
            }
            
            .sub-footer img {
                width: 300px;
                height: 220px;
            }
            
            .nav-links {
                margin-right: 40px;
                gap: 20px;
            }
        }
        /* Parallax Effect */
        @media (max-width: 768px) {
            .parallax {
                background-attachment: scroll;
            }
        }