/* Header Styles */
nav {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: relative;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    max-width: 60px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}

.list-items ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
}

.list-items .menu {
    position: relative;
}

.list-items .menu a,
.list-items .menu b {
    color: #333;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    cursor: pointer;
}

.list-items .menu a:hover,
.list-items .menu b:hover {
    color: #007bff;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    margin-left: auto;
}

.hamburger span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background: #333;
    transition: .25s ease-in-out;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 9px; }
.hamburger span:nth-child(3) { top: 18px; }

/* Active Hamburger Animation */
.hamburger.active span:nth-child(1) {
    top: 9px;
    transform: rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
    top: 9px;
    transform: rotate(-45deg);
}

/* Mobile Styles */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .list-items {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        padding: 1rem;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.3s ease;
    }

    .list-items.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        z-index: 999;
    }

    .list-items ul {
        flex-direction: column;
        gap: 1rem;
    }

    .list-items .menu {
        padding: 0.5rem 0;
        border-bottom: 1px solid #eee;
        text-align: center;
    }

    .list-items .menu:last-child {
        border-bottom: none;
    }
}
