/* Menu Overlay */
.menu-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: var(--z-overlay);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.menu-overlay.is-visible {
    opacity: 1;
    visibility: visible;
}

/* Slide-out Nav Menu */
.nav-menu {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    max-width: 90vw;
    height: 100vh;
    background-color: var(--color-primary);
    color: var(--color-white);
    z-index: var(--z-menu);
    overflow-y: auto;
    transition: right var(--transition-base);
    padding: var(--spacing-xl);
}

.nav-menu.is-open {
    right: 0;
}

.nav-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.nav-menu__logo {
    height: 32px;
    width: auto;
}

.menu-close {
    color: var(--color-white);
    font-size: 2rem;
    line-height: 1;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    transition: color var(--transition-fast);
}

.menu-close:hover {
    color: var(--color-accent-green);
}

.nav-menu__content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.nav-menu__section {
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-menu__heading {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent-green);
    margin-bottom: var(--spacing-md);
}

.nav-menu__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.nav-menu__list a {
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
    display: block;
    padding: var(--spacing-xs) 0;
}

.nav-menu__list a:hover {
    color: var(--color-accent-green);
}

.nav-menu__social {
    display: flex;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-lg);
}

.nav-menu__social a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.nav-menu__social a:hover {
    color: var(--color-accent-green);
}

.nav-menu__social svg {
    width: 20px;
    height: 20px;
}

/* Body scroll lock */
body.menu-open {
    overflow: hidden;
}