/* MindfulOS, SiteOS, SupportOS — hamburger + full-viewport drawer (load after page header CSS) */

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.06);
    cursor: pointer;
    color: var(--text-primary);
    flex-shrink: 0;
    transition: background 0.2s;
}
.nav-toggle:hover { background: rgba(15, 23, 42, 0.1); }
.nav-toggle-bar {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 1px;
    background: currentColor;
    transition: transform 0.25s ease, opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
    position: fixed;
    inset: 0;
    z-index: 1200;
    pointer-events: none;
}
.mobile-nav.is-open { pointer-events: auto; }
.mobile-nav-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    opacity: 0;
    transition: opacity 0.25s ease;
}
.mobile-nav.is-open .mobile-nav-backdrop { opacity: 1; }
.mobile-nav-sheet {
    position: absolute;
    top: 0;
    right: 0;
    width: min(360px, 90vw);
    height: 100%;
    max-height: 100dvh;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: -12px 0 40px rgba(0, 0, 0, 0.1);
    padding: max(20px, env(safe-area-inset-top)) 24px max(32px, env(safe-area-inset-bottom)) 24px;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y: auto;
}
.mobile-nav.is-open .mobile-nav-sheet { transform: translateX(0); }
.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 8px;
}
.mobile-nav-heading {
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
    margin: 20px 0 8px;
}
.mobile-nav-heading:first-child { margin-top: 0; }
.mobile-nav-links > a:not(.btn-primary) {
    display: block;
    padding: 14px 4px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 12px;
    transition: background 0.15s, color 0.15s;
}
.mobile-nav-links > a:not(.btn-primary):hover {
    background: rgba(0, 0, 0, 0.04);
    color: var(--siteos-purple);
}
.mobile-nav-links > a.btn-primary {
    text-align: center;
    margin-top: 16px;
    padding: 14px 20px;
    color: #fff;
}
.mobile-nav-links > a.btn-primary:hover {
    color: #fff;
}

@media (max-width: 900px) {
    header nav.nav-desktop { display: none !important; }
    header .header-actions { display: none !important; }
    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}