header {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* Animated gradient border bottom */
header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg,
            #4a90e2 0%,
            #48bb78 33%,
            #4a90e2 66%,
            #48bb78 100%);
    background-size: 300% 100%;
    animation: gradient-shift 8s linear infinite;
}

@keyframes gradient-shift {
    0% {
        background-position: 100% 0;
    }

    100% {
        background-position: 0 0;
    }
}

/* Enhanced Typography for Main Heading */
h1 {
    color: #ecf0f1;
    font-size: 1.2rem;
    margin: 0;
    font-weight: 600;
    letter-spacing: 1px;
    position: relative;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.nav-menu {
    position: relative;
}

.hamburger {
    color: #ecf0f1;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0.5rem;
    border-radius: 4px;
}

.hamburger:hover {
    color: #f39c12;
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.menu-items {
    position: absolute;
    top: 150%;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    display: none;
    flex-direction: column;
    gap: 1rem;
    min-width: 120px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transform: translateY(-10px);
    opacity: 0;
    transition: all 0.3s ease;
}

.menu-items.show {
    display: flex;
    transform: translateY(0);
    opacity: 1;
    animation: menuSlideIn 0.3s ease forwards;
}

@keyframes menuSlideIn {
    0% {
        transform: translateY(-10px) scale(0.95);
        opacity: 0;
    }

    100% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.menu-items a {
    color: #2c3e50;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 500;
    padding: 0.75rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.menu-items a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(243, 156, 18, 0.2), transparent);
    transition: left 0.5s ease;
}

.menu-items a:hover::before {
    left: 100%;
}

.menu-items a:hover {
    background: linear-gradient(145deg, #f8f9fa, #e9ecef);
    color: #f39c12;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

@media screen and (max-width: 768px) {
    header {
        padding: 0.8rem 1rem;
    }

    h1 {
        font-size: 1rem;
        letter-spacing: 0.5px;
    }

    .hamburger {
        font-size: 1.2rem;
    }

    .menu-items {
        min-width: 100px;
    }

    .menu-items a {
        font-size: 1rem;
        padding: 0.6rem;
    }
}