header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.9375rem 3.75rem;
    background: linear-gradient(135deg, rgb(41, 128, 225), rgb(30, 100, 180));
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow 0.3s, transform 0.3s;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

header img {
    width: 5rem;
    border-radius: 0.75rem;
    transition: transform 0.3s ease;
}

header img:hover {
    transform: scale(1.05);
}

nav {
    display: flex;
    gap: 2.5rem;
}

nav a {
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    color: rgb(255, 239, 170);
    white-space: nowrap;
    transition: all 0.3s ease;
    padding: 5px 10px;
    border-radius: 4px;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: rgb(255, 239, 170);
    transition: width 0.3s ease;
}

nav a:hover {
    color: rgb(255, 255, 255);
    transform: translateY(-2px);
}

nav a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: rgb(255, 239, 170);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

@media (max-width: 1300px) {
    header {
        padding: 0.875rem 2rem;
    }

    header img {
        width: 4.5rem;
    }

    nav {
        gap: 1.4rem;
    }

    nav a {
        font-size: 0.9rem;
            padding: 5px 7px;
    }
}

@media (max-width: 1140px) {
    header {
        padding: 0.8rem 1.5rem;
    }

    header img {
        width: 4.25rem;
    }

    nav {
        gap: 1rem;
    }

    nav a {
        font-size: 0.85rem;
        padding: 4px 5px;
    }
}

@media (max-width: 1024px) {
    header {
        padding: 0.75rem 1.5rem;
        flex-direction: row;
        justify-content: space-between;
        gap: 0;
    }

    header img {
        width: 4rem;
    }

    nav {
        display: none;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        position: absolute;
        top: 100%;
        left: 0;
        background: rgba(30, 100, 180, 0.97);
        padding: 1rem;
        border-radius: 0 0 8px 8px;
        z-index: 999;
    }

    nav.active {
        display: flex;
    }

    nav a {
        padding: 10px;
        font-size: 0.95rem;
        text-align: center;
    }

    nav a::after {
        display: none;
    }

    nav a:hover {
        background: rgba(255, 239, 170, 0.2);
        transform: none;
    }

    .menu-toggle {
        display: flex;
    }
}

@media (max-width: 600px) {
    header {
        padding: 0.65rem 1.25rem;
    }

    header img {
        width: 3.75rem;
    }

    nav a {
        font-size: 0.9rem;
        padding: 8px;
    }

    .menu-toggle span {
        width: 23px;
        height: 2.75px;
    }
}

@media (max-width: 480px) {
    header {
        padding: 0.625rem 1rem;
        flex-direction: row;
        justify-content: space-between;
    }

    header img {
        width: 3.5rem;
    }

    nav {
        width: 95%;
        right: 0;
        margin: 0 auto;
    }

    nav a {
        font-size: 0.875rem;
        padding: 8px;
    }

    .menu-toggle span {
        width: 22px;
        height: 2.5px;
    }
}

/* User account nav link */
nav a.nav-user-link {
    background: rgba(255, 239, 170, 0.18);
    border: 1.5px solid rgba(255, 239, 170, 0.55);
    border-radius: 999px;
    padding: 5px 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}

nav a.nav-user-link:hover {
    background: rgba(255, 239, 170, 0.32);
}

nav a.nav-user-link::after {
    display: none;
}