/* === HEADER STYLES === */
.header_container {
    position: relative;
    background: #000;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #f5f5f5;
    z-index: 1000;
}

.header_container::before,
.header_container::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, #00bfff, transparent);
    box-shadow: 0 0 10px #00bfff, 0 0 20px #00bfff;
}

.header_container::before { top: 0; }
.header_container::after { bottom: 0; }

.header_logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: #00bfff;
    text-shadow: 0 0 8px #00bfff;
}

.header_logo img {
    height: 60px;
}

.header_nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

.header_nav ul li a {
    color: #ccc;
    text-decoration: none;
    font-size: 1.2rem;
    transition: color 0.3s ease, text-shadow 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header_nav ul li a:hover {
    color: #00bfff;
    text-shadow: 0 0 8px #00bfff;
}

/* === BURGER MENU === */
.header_burger {
    display: none;
    font-size: 2.5rem;
    background: none;
    border: none;
    color: #00bfff;
    cursor: pointer;
}

@media (max-width: 768px) {
    .header_nav {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        background: #111;
        width: 100%;
        padding: 1rem 0;
        box-shadow: 0 4px 12px rgba(0,0,0,0.7);
    }

    .header_nav.open {
        display: block;
    }

    .header_nav ul {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .header_burger {
        display: block;
    }
}