/* ============================================================
   CYBERSTACKHUB — 3-Pillar Dropdown Navigation
   Action-First Taxonomy: Assess / Build / Monitor
   2026 AI-Forward Design System — Light Theme
   Breakpoint: 768px
   ============================================================ */

/* ── Pillar buttons (inline with nav-links) ─────────────────── */
.nav-pillar {
    position: relative;
}

.nav-pillar-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: 'Inter', -apple-system, sans-serif;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary, #4B5563);
    background: none;
    border: none;
    padding: 8px 14px;
    border-radius: var(--radius-sm, 8px);
    cursor: pointer;
    transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
    letter-spacing: 0;
}

.nav-pillar-btn:hover {
    color: var(--text-primary, #111827);
    background: rgba(0, 0, 0, 0.03);
}

.nav-pillar-btn[aria-expanded="true"] {
    color: var(--accent, #10B981);
    background: var(--accent-muted, rgba(16, 185, 129, 0.08));
}

/* Chevron arrow */
.nav-chevron {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-pillar-btn[aria-expanded="true"] .nav-chevron {
    transform: rotate(180deg);
}

/* ── Dropdown panel ─────────────────────────────────────────── */
.nav-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 14px;
    padding: 20px;
    min-width: 280px;
    width: max-content;
    max-width: 340px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.04);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 2000;
}

/* Show on open */
.nav-pillar.is-open .nav-dropdown {
    opacity: 1;
    pointer-events: all;
    transform: translateX(-50%) translateY(0);
}

/* Keep dropdown inside viewport on edge pillars */
.nav-pillar[data-pillar="assess"] .nav-dropdown {
    left: 0;
    transform: translateX(0) translateY(-8px);
}
.nav-pillar[data-pillar="assess"].is-open .nav-dropdown {
    transform: translateX(0) translateY(0);
}
.nav-pillar[data-pillar="monitor"] .nav-dropdown {
    left: auto;
    right: 0;
    transform: translateX(0) translateY(-8px);
}
.nav-pillar[data-pillar="monitor"].is-open .nav-dropdown {
    transform: translateX(0) translateY(0);
}

/* Section within dropdown */
.nav-dropdown-section {
    padding: 0;
}

.nav-dropdown-section + .nav-dropdown-section {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.nav-dropdown-label {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted, #9CA3AF);
    margin-bottom: 8px;
    padding: 0 10px;
}

/* Dropdown items */
.nav-dropdown-item {
    display: block;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary, #4B5563);
    text-decoration: none;
    padding: 8px 10px;
    border-radius: 8px;
    transition: all 0.12s ease;
    line-height: 1.4;
}

.nav-dropdown-item:hover {
    color: var(--text-primary, #111827);
    background: rgba(0, 0, 0, 0.03);
}

.nav-dropdown-item-learn {
    color: var(--accent, #10B981);
    font-size: 0.82rem;
}

.nav-dropdown-item-learn:hover {
    color: var(--accent-dim, #059669);
    background: var(--accent-muted, rgba(16, 185, 129, 0.08));
}

/* ── Nav actions (CTA + Sign In) ────────────────────────────── */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.nav-signin-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary, #4B5563);
    text-decoration: none;
    padding: 7px 14px;
    border-radius: var(--radius-sm, 8px);
    transition: color 0.15s ease;
}

.nav-signin-link:hover {
    color: var(--text-primary, #111827);
}

/* Green CTA — "My Cyber Risk Score →" */
.nav-risk-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    color: #ffffff !important;
    background: var(--accent, #10B981);
    padding: 9px 18px;
    border-radius: 100px;
    text-decoration: none;
    transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
    letter-spacing: -0.01em;
    box-shadow: 0 2px 12px rgba(16, 185, 129, 0.20);
}

.nav-risk-cta:hover {
    background: #059669;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.30);
    transform: translateY(-1px);
}

/* ============================================================
   MOBILE — Hamburger + Accordion
   ============================================================ */
@media (max-width: 768px) {
    /* Actions: keep CTA visible, hide Sign In (moves to accordion) */
    .nav-actions .nav-signin-link {
        display: none;
    }
    .nav-actions .nav-risk-cta {
        /* stays visible top-right — always accessible */
        font-size: 0.78rem;
        padding: 8px 14px;
    }

    /* Mobile drawer nav-links: pillars become accordion */
    .nav-links.is-open .nav-pillar {
        width: 100%;
    }

    /* Pillar button in mobile → full-width accordion trigger */
    .nav-links.is-open .nav-pillar-btn {
        width: 100% !important;
        padding: 14px 0 !important;
        font-size: 1.05rem !important;
        font-weight: 600 !important;
        color: #111827 !important;
        background: transparent !important;
        border-bottom: 1px solid #F3F4F6 !important;
        border-radius: 0 !important;
        justify-content: space-between !important;
    }

    .nav-links.is-open .nav-pillar-btn[aria-expanded="true"] {
        color: #10B981 !important;
        background: transparent !important;
        border-bottom-color: rgba(16, 185, 129, 0.2) !important;
    }

    /* Mobile dropdown: static, not floating */
    .nav-links.is-open .nav-dropdown {
        position: static !important;
        transform: none !important;
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        border-radius: 0 !important;
        padding: 8px 0 8px 12px !important;
        min-width: 0 !important;
        max-width: 100% !important;
        width: 100% !important;
        opacity: 1 !important;
        pointer-events: all !important;
        display: none; /* collapsed by default */
    }

    /* Show when pillar is open in mobile */
    .nav-links.is-open .nav-pillar.is-open .nav-dropdown {
        display: block !important;
    }

    /* Mobile: static dropdown items */
    .nav-links.is-open .nav-dropdown-item {
        font-size: 0.95rem !important;
        color: #374151 !important;
        padding: 9px 8px !important;
        border-bottom: 1px solid #F9FAFB !important;
        border-radius: 0 !important;
    }

    .nav-links.is-open .nav-dropdown-item:hover {
        color: #10B981 !important;
        background: transparent !important;
    }

    .nav-links.is-open .nav-dropdown-item-learn {
        color: #10B981 !important;
    }

    .nav-links.is-open .nav-dropdown-label {
        color: #9CA3AF !important;
        font-size: 0.65rem !important;
        padding: 6px 8px 4px !important;
    }

    .nav-links.is-open .nav-dropdown-section + .nav-dropdown-section {
        margin-top: 8px !important;
        padding-top: 8px !important;
        border-top: 1px solid #F3F4F6 !important;
    }

    /* Dashboard link in mobile */
    .nav-link-dashboard {
        width: 100% !important;
        display: none; /* shown by auth JS */
        padding: 14px 0 !important;
        font-size: 1.05rem !important;
        color: #111827 !important;
        text-decoration: none !important;
        border-bottom: 1px solid #F3F4F6 !important;
    }

    /* Sign In in mobile drawer */
    .nav-links.is-open ~ .nav-actions {
        display: none !important;
    }
}

/* ── Desktop: ensure nav-links gap is right ─────────────────── */
@media (min-width: 769px) {
    .nav-dropdown {
        /* Always hidden unless .is-open */
        display: block; /* use opacity/pointer-events to show/hide */
    }

    /* Mobile-only elements hidden on desktop */
    .nav-link-dashboard {
        display: none;
    }

    /* Ensure ds-nav-inner has correct layout with 3-zone */
    .ds-nav-inner {
        gap: 0;
    }

    .nav-links {
        flex: 1;
        justify-content: center;
    }

    .nav-actions {
        margin-left: auto;
    }
}