Glassmorphic Navbar - Free UI Component

BG Gradient Color 1 #6a11cb

BG Gradient Color 2 #2575fc

Text Color #ffffff

Vertical Padding (rem) 0.85

Horizontal Padding (rem) 2

Blur Strength (px) 16

Glass Opacity 15

Fixed Position

Full Width

Container Width 1100px

Glassmorphic Navbar

A modern, frosted-glass effect navigation bar with a luminous accent glow and responsive mobile menu. Built with pure CSS backdrop-filter.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Glassmorphic Navbar</title>
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;700;800&display=swap" rel="stylesheet">
    <style>
        /* -- Variables ------------------------------------------------- */
        :root {
            --bg-grad-1: {{bgGradColor1}};         /* Gradient Start */
            --bg-grad-2: {{bgGradColor2}};         /* Gradient End */
            --text-color: {{textColor}};           /* Main Text/Brand */
            --v-pad: {{vPadding}}rem;              /* Vertical Padding */
            --h-pad: {{hPadding}}rem;              /* Horizontal Padding */
            --blur: {{blurStrength}}px;            /* Glass Blur */
            --opacity: {{bgOpacity}};              /* Glass Opacity (0-100) */
            --nav-w: {{navWidth}};                 /* Container Width */
        }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            color: var(--text-color);
            min-height: 200vh;
            background-image: linear-gradient(45deg, var(--bg-grad-1), var(--bg-grad-2));
            background-attachment: fixed;
            overflow-x: hidden;
        }

/* -- Navbar Implementation --------------------------------------- */
        .nav-wrapper {
            width: 100%;
            z-index: 1000;
            display: flex;
            justify-content: center;
            transition: all 0.3s ease;
        }

/* Positioning Logic */
        body[data-fixed="Yes"] .nav-wrapper {
            position: fixed;
            top: 0;
            left: 0;
        }
        body[data-fixed="No"] .nav-wrapper {
            position: relative;
        }

/* Width & Padding Logic */
        body[data-full="No"] .nav-wrapper {
            padding: 1.5rem;
        }
        body[data-full="No"] .nav-wrapper.scrolled {
            padding: 0.75rem 1.5rem;
        }
        body[data-full="Yes"] .nav-wrapper {
            padding: 0;
        }

nav.glass-nav {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--v-pad) var(--h-pad);
            border-radius: 100px;
            
            /* Glassmorphism */
            background: rgba(255, 255, 255, calc(var(--opacity) / 100));
            backdrop-filter: blur(var(--blur)) saturate(180%);
            -webkit-backdrop-filter: blur(var(--blur)) saturate(180%);
            border: 1px solid rgba(255, 255, 255, 0.3);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
            
            transition: all 0.3s ease;
        }

.nav-wrapper.scrolled nav.glass-nav {
            padding-top: calc(var(--v-pad) * 0.8);
            padding-bottom: calc(var(--v-pad) * 0.8);
        }

/* Inner Content Padding when Full Width */
        body[data-full="Yes"] nav.glass-nav {
            padding-left: 5%;
            padding-right: 5%;
        }

/* Layout Switch */
        body[data-full="No"] nav.glass-nav {
            max-width: var(--nav-w);
            border-radius: 100px;
        }
        body[data-full="Yes"] nav.glass-nav {
            max-width: 100%;
            border-radius: 0;
        }

.logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-color);
            text-decoration: none;
            letter-spacing: -0.02em;
        }

.links {
            display: flex;
            gap: 0.5rem;
            list-style: none;
        }
        .links a {
            color: var(--text-color);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 0.5rem 1.25rem;
            border-radius: 50px;
            opacity: 0.85;
            transition: 0.2s;
        }
        .links a:hover, .links a.active {
            opacity: 1;
            background: rgba(255, 255, 255, 0.15);
        }

/* -- Hamburger (Mobile Only) ----------------------------------- */
        .hamburger {
            display: none;
            cursor: pointer;
            padding: 5px;
            flex-direction: column;
            gap: 6px;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-color);
            border-radius: 2px;
            transition: 0.3s;
        }

/* -- Content ----------------------------------------------------- */
        .hero {
            padding: 12rem 2rem 5rem;
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
        }
        body[data-fixed="No"] .hero { padding-top: 5rem; }

.hero h1 { font-size: 3.5rem; font-weight: 800; margin-bottom: 1.5rem; letter-spacing: -0.04em; }
        .hero p { font-size: 1.25rem; opacity: 0.8; line-height: 1.6; max-width: 600px; margin: 0 auto; }

.dummy-section {
            padding: 4rem 2rem;
            max-width: 900px;
            margin: 0 auto;
        }
        .card {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 24px;
            padding: 3rem;
            margin-bottom: 2rem;
        }
        .card h2 { margin-bottom: 1rem; }
        .card p { opacity: 0.7; line-height: 1.7; }

/* -- Responsive -------------------------------------------------- */
        @media (max-width: 480px) {
            .hamburger { display: flex; }
            .links {
                display: none;
                position: absolute;
                top: 100%;
                left: 1rem;
                right: 1rem;
                margin-top: 1rem;
                flex-direction: column;
                background: rgba(255, 255, 255, 0.1);
                backdrop-filter: blur(20px);
                padding: 1.5rem;
                border-radius: 20px;
                border: 1px solid rgba(255,255,255,0.2);
            }
            body[data-full="Yes"] .links {
                left: 0;
                right: 0;
                margin-top: 0;
                border-radius: 0;
            }
            .nav-wrapper.menu-open .links { display: flex; }
            .nav-wrapper.menu-open .hamburger span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
            .nav-wrapper.menu-open .hamburger span:nth-child(2) { opacity: 0; }
            .nav-wrapper.menu-open .hamburger span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
        }
    </style>
</head>
<body data-fixed="{{isFixed}}" data-full="{{isFullWidth}}">

<div class="nav-wrapper" id="navWrap">
        <nav class="glass-nav">
            <a href="#" class="logo">PRISM</a>
            
            <ul class="links">
                <li><a href="#" class="active">Product</a></li>
                <li><a href="#">Showcase</a></li>
                <li><a href="#">Resources</a></li>
                <li><a href="#">Pricing</a></li>
            </ul>

<main>
        <section class="hero">
            <h1>Translucent Navigation</h1>
            <p>A minimalist frost aesthetic. Experiment with background gradients, blur intensity, and full-width layouts.</p>
        </section>

<section class="dummy-section">
            <div class="card">
                <h2>Frosted Glass Effect</h2>
                <p>The navbar uses CSS backdrop-filter to blur anything behind it. As you scroll, the background gradient and these cards will be visible through the glass.</p>
            </div>
            <div class="card" style="min-height: 400px; display: flex; align-items: center; justify-content: center;">
                <p>Scrolling content area...</p>
            </div>
        </section>
    </main>

ham.addEventListener('click', () => {
            navWrap.classList.toggle('menu-open');
        });
    </script>

</body>
</html>