header {
    background: var(--header-gradient);
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 1rem 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    background-size: 300% 300%;
    position: relative;
}

header a {
    text-decoration: none;
    color: white;
}

header a img {
    max-width: 50px;
    margin-right: 0.5rem;
}

header a h2 {
    font-family: 'Source Code Pro', monospace;
    font-weight: 700;
    font-size: 2.2rem;
}

header>a {
    display: flex;
    align-items: center;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    font-size: 1.2rem;
}

nav ul li a {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: rgb(210, 210, 210);
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 25px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    height: 3px;
    background: white;
    border-radius: 2px;
    width: 100%;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.hamburger span {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

@media (max-width: 768px) {
    nav {
        padding: 0;
        max-height: 0;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--header-gradient);
        background-size: 300% 300%;
        display: flex;
        flex-direction: column;
        align-items: center;
        z-index: 1000;
        transition: max-height 0.4s ease, padding 0.4s ease;
        overflow: hidden;
        border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    }

    nav.active {
        padding: 1rem 0;
        max-height: 250px;
    }

    .hamburger {
        display: flex;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
    }

    nav ul li a {
        font-size: 1.5rem;
    }

    header {
        display: flex;
        justify-content: space-between;
    }
}