/**
 * Landing / tool mobile menu: full-viewport panel, site background and typography.
 * z-index above scroll header, below modals.
 */
.landing-mobile-nav {
    position: fixed;
    inset: 0;
    z-index: var(--z-scroll-header-menu, 9010);
    pointer-events: none;
    visibility: hidden;
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    box-sizing: border-box;
}

.landing-mobile-nav.is-open {
    pointer-events: auto;
    visibility: visible;
}

.landing-mobile-nav__backdrop {
    position: absolute;
    inset: 0;
    min-height: 100vh;
    min-height: 100dvh;
    background: var(--color-overlay-strong, rgba(0, 0, 0, 0.78));
    opacity: 0;
    transition: opacity var(--transition-base, 0.2s) ease;
    -webkit-tap-highlight-color: transparent;
}

.landing-mobile-nav.is-open .landing-mobile-nav__backdrop {
    opacity: 1;
}

.landing-mobile-nav__panel {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: auto;
    height: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    max-height: none;
    /* Narrow viewport: full width; otherwise fixed column without extra gutters */
    width: min(100vw, 22rem);
    max-width: 100%;
    display: flex;
    flex-direction: column;
    padding-top: calc(var(--spacing-lg, 12px) + env(safe-area-inset-top, 0px));
    padding-right: calc(var(--spacing-lg, 12px) + env(safe-area-inset-right, 0px));
    padding-bottom: calc(var(--spacing-xl, 16px) + env(safe-area-inset-bottom, 0px));
    padding-left: calc(var(--spacing-lg, 12px) + env(safe-area-inset-left, 0px));
    box-sizing: border-box;
    background: var(--color-bg-canvas, #020203);
    border-left: 1px solid var(--color-border-secondary, rgba(238, 238, 238, 0.08));
    /* Panel side shadow — do not swap for --shadow-xl (vertical sheet shadow) */
    box-shadow: -16px 0 48px rgba(0, 0, 0, 0.45);
    transform: translateX(100%);
    transition: transform var(--transition-slow, 0.26s) cubic-bezier(0.22, 1, 0.36, 1);
    -webkit-tap-highlight-color: transparent;
}

.landing-mobile-nav.is-open .landing-mobile-nav__panel {
    transform: translateX(0);
}

.landing-mobile-nav__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md, 12px);
    flex-shrink: 0;
    padding-bottom: var(--spacing-md, 12px);
    margin-bottom: var(--spacing-sm, 8px);
    border-bottom: 1px solid var(--color-border-secondary, rgba(238, 238, 238, 0.08));
}

/* Drawer logo — matches header (.navorina-logo), no extra left offset */
.landing-mobile-nav__header .navorina-logo {
    padding-left: 0;
}

.landing-mobile-nav__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--spacing-5xl, 40px);
    height: var(--spacing-5xl, 40px);
    border: none;
    border-radius: var(--radius-full, 999px);
    background: var(--color-surface-muted, rgba(238, 238, 238, 0.08));
    color: var(--color-text-primary, #eeeeee);
    cursor: pointer;
    transition: background var(--transition-fast, 0.15s) ease;
}

.landing-mobile-nav__close:hover {
    background: var(--color-surface-muted-hover, rgba(238, 238, 238, 0.12));
}

.landing-mobile-nav__links {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs, 4px);
    padding-top: var(--spacing-xs, 4px);
}

/* Menu links — serif like landing accent headings */
.landing-mobile-nav__link {
    display: block;
    padding: var(--spacing-sm, 8px) var(--spacing-md, 12px);
    border-radius: var(--radius-xl, 12px);
    font-family: var(--font-serif, 'Instrument Serif', serif);
    font-size: var(--font-size-lg, 17px);
    font-weight: var(--font-weight-normal, 400);
    letter-spacing: -0.02em;
    line-height: var(--line-height-tight, 1.2);
    color: var(--color-text-secondary, rgba(238, 238, 238, 0.7));
    text-decoration: none;
    transition: background var(--transition-fast, 0.15s) ease, color var(--transition-fast, 0.15s) ease;
}

.landing-mobile-nav__link:hover {
    background: var(--color-surface-muted, rgba(238, 238, 238, 0.08));
    color: var(--color-text-primary, #eeeeee);
}

/* Section label — UI caption in primary font (DS) */
.landing-mobile-nav__label {
    font-family: var(--font-primary, system-ui, sans-serif);
    font-size: var(--font-size-xs, 11px);
    font-weight: var(--font-weight-semibold, 600);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-tertiary, rgba(238, 238, 238, 0.5));
    padding: var(--spacing-md, 12px) var(--spacing-md, 12px) var(--spacing-xs, 4px);
}

.landing-mobile-nav__divider {
    height: 1px;
    margin: var(--spacing-sm, 8px) 0;
    background: var(--color-border-secondary, rgba(238, 238, 238, 0.08));
}

.landing-mobile-nav__cta-row {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm, 8px);
    flex-shrink: 0;
    padding-top: var(--spacing-md, 12px);
    margin-top: auto;
    border-top: 1px solid var(--color-border-secondary, rgba(238, 238, 238, 0.08));
}

.landing-mobile-nav__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: var(--spacing-sm, 8px) var(--spacing-lg, 16px);
    border-radius: var(--radius-full, 999px);
    font-family: var(--font-primary, system-ui, sans-serif);
    font-size: var(--font-size-md, 14px);
    font-weight: var(--font-weight-semibold, 600);
    text-decoration: none;
    text-align: center;
    box-sizing: border-box;
    transition: opacity var(--transition-fast, 0.15s) ease, transform var(--transition-fast, 0.15s) ease;
}

.landing-mobile-nav__cta--ghost {
    border: 1px solid var(--color-border-secondary, rgba(238, 238, 238, 0.08));
    color: var(--color-text-primary, #eeeeee);
    background: var(--color-surface-muted, rgba(238, 238, 238, 0.06));
}

.landing-mobile-nav__cta--primary {
    border: none;
    color: var(--color-button-primary-text, #0a0a0a);
    background: var(--color-button-primary, #eeeeee);
}

.landing-mobile-nav__cta:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}

body.landing-mobile-nav-open {
    overflow: hidden;
}