/* --- Styles for Mobile Navigation --- */

/* Prevents scrolling when the mobile menu is open */
body.menu-open {
    overflow: hidden;
}

/* --- Hamburger Toggle Button --- */
.nav-toggle {
    display: none; /* Hidden by default, shown in media query */
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    z-index: 1100; /* Ensure it's above the overlay */
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: var(--transition-fast);
}

/* --- Hamburger to "X" Animation --- */
.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* --- Mobile Menu Overlay (triggers at 900px) --- */
@media (max-width: 1024px) {
    .nav-toggle {
        display: flex; /* Show the hamburger */
    }

    .nav-container > .social-links {
        display: none; /* Hide social links from the desktop nav bar */
    }

    .nav-menu.active .nav-close {
        display: block; /* Show the close button when menu is active */
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.98);
        -webkit-backdrop-filter: blur(5px);
        backdrop-filter: blur(5px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
        z-index: 1050;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-menu .nav-link {
        opacity: 0;
        transform: translateY(10px);
        transition: opacity 0.3s ease, transform 0.3s ease;
        font-size: 1.8rem;
        color: var(--white);
    }

    /* Staggered fade-in animation for nav links */
    .nav-menu.active .nav-link {
        opacity: 1;
        transform: translateY(0);
    }

    .nav-menu.active .nav-link:nth-child(1) { transition-delay: 0.2s; }
    .nav-menu.active .nav-link:nth-child(2) { transition-delay: 0.25s; }
    .nav-menu.active .nav-link:nth-child(3) { transition-delay: 0.3s; }
    .nav-menu.active .nav-link:nth-child(4) { transition-delay: 0.35s; }

    .nav-menu .social-links {
        display: flex; /* This is fine, but we'll animate its children */
        position: absolute;
        bottom: 4rem;
        gap: 1.5rem;
    }

    .nav-menu .social-links a {
        background: transparent;
        font-size: 1.5rem;
        opacity: 0;
        transform: translateY(10px);
        transition: opacity 0.3s ease 0.4s, transform 0.3s ease 0.4s;
    }

    .nav-menu.active .social-links a {
        opacity: 1;
        transform: translateY(0);
    }
}