/* General Styling */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #121212;
    color: #fff;
}

/* Header */
header {
    background-color: #1e1e1e;
    padding: 20px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 255, 255, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header h1 {
    font-size: 2.5rem;
    margin: 0;
    color: #0af;
}

header p {
    font-size: 1.2rem;
    color: #bbb;
}

/* Navigation */
nav ul {
    list-style-type: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 20px;
}

nav ul li {
    display: inline;
}

nav ul li a {
    color: #0af;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #ff9800;
}

/* Sections */
section {
    padding: 30px;
    margin: 30px auto;
    background-color: #222;
    border-radius: 8px;
    max-width: 900px;
    box-shadow: 0 4px 10px rgba(255, 152, 0, 0.2);
}

/* Headings */
h1, h2 {
    color: #0af;
}

h2 {
    border-bottom: 2px solid #0af;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

/* Links */
a {
    color: #ff9800;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    text-decoration: underline;
    color: #0af;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    background-color: #1e1e1e;
    margin-top: 20px;
    font-size: 1rem;
    color: #bbb;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    header p {
        font-size: 1rem;
    }

    nav ul {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    nav ul li {
        display: block;
        margin: 10px 0;
    }

    nav ul li a {
        font-size: 1rem;
    }

    section {
        padding: 20px;
        margin: 20px;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.5rem;
    }

    header p {
        font-size: 0.9rem;
    }

    nav ul {
        flex-direction: column;
        gap: 10px;
    }

    nav ul li a {
        font-size: 1rem;
    }

    section {
        padding: 15px;
    }
}
nav ul li a.active {
    color: #ff9800;
    font-weight: bold;
    border-bottom: 2px solid #ff9800;
}
/* 🌟 General Styles */
body {
    transition: background 0.3s, color 0.3s;
}

/* 🔥 Active Navigation Link */
nav ul li a.active {
    color: #ff9800;
    font-weight: bold;
    border-bottom: 2px solid #ff9800;
}

/* 🔼 Scroll to Top Button */
#scrollToTop {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #0af;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    transition: opacity 0.3s;
}

/* 📱 Mobile Menu */
#navToggle {
    display: none;
    background: #0af;
    color: white;
    border: none;
    padding: 10px;
    cursor: pointer;
    position: absolute;
    top: 10px;
    left: 10px;
}

/* 🌙 Dark Mode / Light Mode */
.light-mode {
    background: #f4f4f4;
    color: #333;
}
.light-mode header, .light-mode section, .light-mode footer {
    background: #ddd;
}
#themeToggle {
    position: fixed;
    top: 10px;
    right: 10px;
    background: #ff9800;
    color: white;
    border: none;
    padding: 10px;
    cursor: pointer;
    border-radius: 50%;
}

/* 📱 Responsive Navigation */
@media (max-width: 768px) {
    #navToggle {
        display: block;
    }
    nav ul {
        display: none;
        flex-direction: column;
        background: #222;
        position: absolute;
        top: 50px;
        left: 0;
        width: 100%;
    }
    nav ul.show {
        display: flex;
    }
    nav ul li {
        text-align: center;
        padding: 10px 0;
    }
}

/* 🏆 Fade-in Sections */
section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s, transform 0.6s;
}
section.visible {
    opacity: 1;
    transform: translateY(0);
}
/* Light mode styles (default: dark mode) */
.light-mode {
    background-color: #fff;
    color: #121212;
}

.light-mode header,
.light-mode footer {
    background-color: #f4f4f4;
    color: #121212;
}

.light-mode section {
    background-color: #e0e0e0;
    color: #121212;
}

.light-mode a {
    color: #007bff;
}