Hamburger Navigation Menu | HTML, CSS & JavaScript

body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: #0a0a0a;
    overflow-x: hidden;
}

/* 🔹 Hamburger */
.hamburger {
    position: fixed;
    top: 20px;
    left: 20px;
    width: 40px;
    height: 30px;
    cursor: pointer;
    z-index: 4;
}

.hamburger span {
    display: block;
    height: 4px;
    margin: 6px 0;
    border-radius: 5px;
    background: linear-gradient(90deg, #00f7ff, #ff00e0);
    box-shadow: 0 0 10px #00f7ff, 0 0 20px #ff00e0;
    transition: 0.4s;
}

/* 🔹 Morph Animation */
.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* 🔹 Hover Glow */
.hamburger:hover span {
    box-shadow: 0 0 20px #00f7ff, 0 0 40px #ff00e0;
}

/* 🔹 Menu */
.menu {
    position: fixed;
    top: 0;
    left: -280px;
    width: 260px;
    height: 100%;
    padding-top: 80px;
    backdrop-filter: blur(12px);
    background: rgba(20, 20, 20, 0.65);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    transition: 0.5s cubic-bezier(0.77, 0, 0.18, 1);
    z-index: 3;
}

.menu.show {
    left: 0;
}

/* 🔹 Menu Links */
.menu a {
    display: block;
    padding: 15px 25px;
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    transition: 0.3s;
    position: relative;
}

.menu a:hover {
    color: #00f7ff;
    text-shadow: 0 0 8px #00f7ff, 0 0 20px #ff00e0;
    transform: translateX(10px);
}

.menu a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 5px;
    width: 0%;
    height: 2px;
    background: linear-gradient(90deg, #00f7ff, #ff00e0);
    transition: 0.3s;
}

.menu a:hover::after {
    width: 80%;
}

/* 🔹 Overlay (BEHIND content) */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    opacity: 0;
    z-index: 1;
    transition: 0.3s;
}

.overlay.show {
    opacity: 0.5;
}

/* 🔹 Content */
.content {
    position: relative;
    z-index: 2;
    padding: 120px 20px;
    text-align: center;
    color: white;
    transition: 0.4s ease;
}

/* 🔹 Content Animation */
.content.active {
    transform: scale(0.95) translateX(140px);
    filter: blur(2px);
    opacity: 0.7;
}

/* 🔹 Fancy Title */
.content h1 {
    font-size: 42px;
    background: linear-gradient(90deg, #00f7ff, #ff00e0);
    -webkit-background-clip: text;
    color: transparent;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.content p {
    font-size: 18px;
    opacity: 0.8;
}

/* 🔹 Responsive */
@media (max-width: 600px) {
    .content.active {
        transform: scale(0.95) translateX(100px);
    }

.menu {
        width: 220px;
    }
}

- Hamburger Navigation Menu

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