/**
 * navbar.css — Frigotel Navigation Bar Styles
 *
 * Handles all navbar styling:
 *  - Toggle button (hamburger menu)
 *  - Mobile menu animation
 *  - Responsive layout
 *  - Button styling
 *
 * @package Frigotel
 */

/* =========================================================
   NAVBAR TOGGLE (HAMBURGER BUTTON)
========================================================= */

.navbar-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 6px;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-s, 4px);
    cursor: pointer;
    transition: background-color var(--transition-base), box-shadow var(--transition-base);
    /* Ensure the toggle and language dropdown sit above the mobile menu overlay */
    z-index: calc(var(--z-overlay) + 50);
}

.navbar-toggle__bar {
    display: block;
    width: 20px;
    height: 3px;
    background-color: var(--color-blu-profondo);
    border-radius: 0;
    transform-origin: center;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
}

/**
 * Morphing Hamburger to "X" state
 * Triggered via JavaScript updating the aria-expanded attribute.
 */
.navbar-toggle[aria-expanded="true"] .navbar-toggle__bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.navbar-toggle[aria-expanded="true"] .navbar-toggle__bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.navbar-toggle[aria-expanded="true"] .navbar-toggle__bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/**
 * Helper class to isolate mobile-only structural logic.
 * Default to hidden; shown via media queries in responsive stylesheets.
 */
.mobile-only {
    display: none;
}

/* =========================================================
   RESPONSIVE OVERRIDES
========================================================= */

@media (max-width: 1024px) {
    .navbar-toggle {
        display: flex;
    }
}