/* Mobile-friendly burger menu that slides out from the right */

/* Burger Menu Button */
.burger-menu-btn {
    display: none; /* Hidden by default on desktop */
    position: fixed;
    top: 15px;
    right: 15px;
    z-index: 1100;
    background-color: var(--ibm-dark-gray);
    border: 2px solid var(--hal-red);
    border-radius: 5px;
    width: 45px;
    height: 45px;
    cursor: pointer;
    padding: 5px;
    transition: all 0.3s ease;
}

.burger-menu-btn span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--hal-red);
    margin: 6px 0;
    transition: all 0.3s ease;
}

.burger-menu-btn span:nth-child(1) {
    margin-top: 0;
}

.burger-menu-btn span:nth-child(3) {
    margin-bottom: 0;
}

.burger-menu-btn:hover span {
    background-color: var(--hal-glow);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .burger-menu-btn {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -300px; /* Start off-screen */
        width: 280px;
        height: 100vh;
        background-color: var(--ibm-dark-gray);
        border-left: 4px solid var(--hal-red);
        transition: right 0.3s ease;
        z-index: 1200;
        padding: 20px 0;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.5);
        overflow-y: auto;
    }
    
    .main-nav.active {
        right: 0; /* Slide in from right */
    }
    
    .main-nav ul {
        flex-direction: column;
        padding: 20px 0;
    }
    
    .main-nav ul li {
        margin: 10px 0;
        width: 100%;
        text-align: center;
    }
    
    .main-nav ul li a {
        padding: 15px;
        width: 100%;
        display: block;
        border-left: none;
        border-bottom: 2px solid transparent;
    }
    
    .main-nav ul li a:hover,
    .main-nav ul li a.active {
        border-left: none;
        border-bottom: 2px solid var(--hal-red);
    }
    
    .nav-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0 20px 20px;
        border-bottom: 2px solid var(--hal-red);
        margin-bottom: 20px;
    }
    
    .hal-eye-mini {
        width: 30px;
        height: 30px;
        background-color: black;
        border-radius: 50%;
        position: relative;
        display: flex;
        justify-content: center;
        align-items: center;
        box-shadow: 0 0 10px var(--hal-glow);
    }
    
    .hal-pupil-mini {
        width: 15px;
        height: 15px;
        background-color: var(--hal-red);
        border-radius: 50%;
        box-shadow: 0 0 8px var(--hal-glow);
    }
    
    .close-menu-btn {
        background: none;
        border: none;
        color: var(--hal-red);
        font-size: 30px;
        cursor: pointer;
        transition: all 0.3s ease;
    }
    
    .close-menu-btn:hover {
        color: var(--hal-glow);
        transform: scale(1.1);
    }
    
    /* Overlay */
    .menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.7);
        z-index: 1150;
        display: none;
    }
    
    .menu-overlay.active {
        display: block;
    }
    
    /* Adjust main content padding for mobile */
    main {
        padding-top: 70px;
    }
}

/* Tablet adjustments */
@media (min-width: 769px) and (max-width: 1024px) {
    .main-nav ul {
        justify-content: center;
    }
    
    .main-nav ul li a {
        padding: 10px 15px;
    }
}