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Creating a Responsive Navbar with Advanced Features

This guide will show you how to build a responsive navbar using HTML, CSS, and JavaScript with the following features:

✅ Sticky Navbar – Navbar remains fixed at the top when scrolling.
✅ Submenus – Dropdown menus for better navigation.
✅ Animations – Smooth transitions for an elegant look.
✅ Dark Mode Toggle – Switch between light and dark themes.
✅ Mobile-Friendly – A hamburger menu for small screens.
✅ Extra Features – Hover effects, icon animations, and theme memory.

Step 1: HTML Structure

The HTML will include:

  • A logo.
  • Main navigation menu with a submenu.
  • Hamburger menu for mobile.
  • A dark mode toggle button.
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Advanced Responsive Navbar</title>
    <link rel="stylesheet" href="styles.css">
    <script defer src="script.js"></script>
</head>
<body>

    <!-- Navigation Bar -->
    <nav class="navbar">
        <div class="logo">MyBrand</div>
        <ul class="nav-links">
            <li><a href="#">Home</a></li>
            <li class="dropdown">
                <a href="#">Services ▾</a>
                <ul class="submenu">
                    <li><a href="#">Web Design</a></li>
                    <li><a href="#">App Development</a></li>
                    <li><a href="#">SEO Optimization</a></li>
                </ul>
            </li>
            <li><a href="#">Portfolio</a></li>
            <li><a href="#">Contact</a></li>
            <li>
                <button class="dark-mode-toggle">🌙</button>
            </li>
        </ul>
        <div class="hamburger">
            <span></span>
            <span></span>
            <span></span>
        </div>
    </nav>

    <!-- Placeholder content to demonstrate sticky navbar -->
    <section style="height: 2000px; padding: 20px;">
        <h1>Scroll Down to See the Sticky Navbar</h1>
    </section>

</body>
</html>

 Step 2: CSS Styling

Now, let’s style the navbar, submenu, animations, dark mode, and sticky behavior.

/* styles.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

/* Default Light Mode */
body {
    background: white;
    color: black;
    transition: background 0.3s ease, color 0.3s ease;
}

/* Sticky Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #333;
    padding: 15px 20px;
    color: white;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: background 0.3s ease, padding 0.3s ease;
}

/* Navbar Shrink on Scroll */
.navbar.scrolled {
    background: #222;
    padding: 10px 20px;
}

/* Logo */
.logo {
    font-size: 24px;
    font-weight: bold;
}

/* Navigation Links */
.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
}

.nav-links li {
    position: relative;
    margin: 0 15px;
}

.nav-links a {
    text-decoration: none;
    color: white;
    font-size: 18px;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #f4a261;
}

/* Submenu */
.submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #444;
    list-style: none;
    padding: 10px 0;
    width: 200px;
    border-radius: 5px;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform: translateY(10px);
}

.submenu li {
    padding: 10px;
}

.submenu a {
    color: white;
    display: block;
}

.submenu a:hover {
    background: #555;
}

/* Show Submenu on Hover */
.dropdown:hover .submenu {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 30px;
    height: 3px;
    background: white;
    margin: 5px 0;
    transition: transform 0.3s ease;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background: #333;
        padding: 10px 0;
        text-align: center;
    }

    .nav-links.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    /* Rotate Hamburger Icon */
    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}

/* Dark Mode */
.dark-mode {
    background: black;
    color: white;
}

.dark-mode .navbar {
    background: #222;
}

.dark-mode .submenu {
    background: #333;
}

.dark-mode .nav-links a {
    color: white;
}

.dark-mode-toggle {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: white;
}

Step 3: JavaScript for Interactivity

Now, let's add JavaScript for:

  • Sticky navbar effect
  • Mobile menu toggle
  • Dark mode toggle with memory
// script.js
document.addEventListener("DOMContentLoaded", function () {
    const navbar = document.querySelector(".navbar");
    const hamburger = document.querySelector(".hamburger");
    const navLinks = document.querySelector(".nav-links");
    const darkModeToggle = document.querySelector(".dark-mode-toggle");

    // Sticky Navbar Effect
    window.addEventListener("scroll", () => {
        if (window.scrollY > 50) {
            navbar.classList.add("scrolled");
        } else {
            navbar.classList.remove("scrolled");
        }
    });

    // Toggle Mobile Menu
    hamburger.addEventListener("click", () => {
        navLinks.classList.toggle("active");
        hamburger.classList.toggle("active");
    });

    // Dark Mode Toggle
    darkModeToggle.addEventListener("click", () => {
        document.body.classList.toggle("dark-mode");

        // Store user preference
        if (document.body.classList.contains("dark-mode")) {
            localStorage.setItem("theme", "dark");
        } else {
            localStorage.setItem("theme", "light");
        }
    });

    // Load Theme Preference
    if (localStorage.getItem("theme") === "dark") {
        document.body.classList.add("dark-mode");
    }
});

Final Features

✅ Sticky Navbar with Shrinking Effect
✅ Hamburger Menu for Mobile
✅ Dropdown Submenus with Animation
✅ Dark Mode Toggle with Local Storage
✅ Smooth Transitions & Advanced Animations

Would you like additional enhancements, such as scroll indicators, animated icons, or extra UI components? 

#HTML #CSS #JavaScript
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