/* ViewLingo shared styles: accessibility and mobile navigation.
   Brand palette matches the inline page styles (#2b7a45 green). */

/* Skip link: first tab stop, visible only when focused. */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 1100;
    padding: 10px 16px;
    background: #2b7a45;
    color: #ffffff;
    text-decoration: none;
    border-radius: 0 0 6px 0;
}

.skip-link:focus {
    left: 0;
}

/* Screen-reader-only text. */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Keyboard focus only: pointer clicks keep their existing appearance. */
a:focus-visible,
button:focus-visible,
select:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid #2b7a45;
    outline-offset: 2px;
}

/* Hamburger button. Hidden on desktop, shown by the mobile query below. */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    cursor: pointer;
    padding: 0.5rem;
    background: transparent;
    border: none;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: #2b7a45;
    margin: 3px 0;
    border-radius: 3px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    /* Replaces the former `display: none`, which removed the whole menu --
       including the language selector -- from every phone-width screen. */
    .nav-links {
        display: flex;
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
        padding: 80px 20px 20px;
        margin: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease-in-out;
        overflow-y: auto;
    }

    .nav-links.active {
        right: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .menu-toggle span,
    .nav-links {
        transition: none;
    }
}