/* ============================================================================
   TNAADO Header — cinematic black, ominous private-firm
   ----------------------------------------------------------------------------
   - Pure ink (#0a0a0a) full-bleed, sticky, never disappears
   - 72px desktop, 56px mobile
   - 1px hairline bottom border in warm cream at 10% (rgba(245,241,232,0.10))
   - Nav links: IBM Plex Sans 13px, 0.05em tracking, refined red-on-hover halo
   - Right cluster: TNAADO Labs sister-link (subtle red hover glow) + outlined CTA
   - Sharp corners only, no border-radius, no drop shadows
   - Mobile: full-screen drawer, Fraunces italic for impact
   - Logo PNG inverted to white via filter; fallback span uses Fraunces italic
============================================================================ */

/* ----- Spacer (legacy; sticky header handles its own flow) ---------------- */
.tnaado-header-spacer {
    display: none !important;
    height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* ----- Sticky shell (full-bleed black border-to-border) -------------------- */
#tnaadoStickyHeader,
.tn-hdr {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    margin: 0;
    padding: 0;
    background: var(--ink, #0a0a0a);
    border-bottom: 1px solid rgba(245, 241, 232, 0.10);
    z-index: var(--z-header, 1000);
    border-radius: 0;
    font-family: 'IBM Plex Sans', var(--font-body, 'Inter', sans-serif);
}

#tnaadoStickyHeader .header-container {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0 32px;
    background: transparent;
    box-sizing: border-box;
}

#tnaadoStickyHeader nav {
    background: transparent;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 0;
    margin: 0;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    position: relative;
    z-index: 1;
}

/* ----- Logo (PNG inverted to white; fallback to Fraunces wordmark) -------- */
#tnaadoStickyHeader .logo-container {
    flex: 0 0 auto;
}

#tnaadoStickyHeader .logo-container a {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    line-height: 0;
    transition: filter 600ms ease-out;
}

#tnaadoStickyHeader .tnaado-logo-img {
    height: 32px;
    width: auto;
    display: block;
    filter: brightness(0) invert(1);
    transition: filter 600ms ease-out;
}

#tnaadoStickyHeader .tnaado-logo-fallback {
    font-family: 'Fraunces', var(--font-display, serif);
    font-style: italic;
    font-weight: 400;
    font-size: 26px;
    letter-spacing: 0.02em;
    color: var(--on-black, #f5f1e8);
    line-height: 1;
    transition: color 600ms ease-out, text-shadow 600ms ease-out;
}

#tnaadoStickyHeader .logo-container a:hover .tnaado-logo-img,
#tnaadoStickyHeader .logo-container a:focus-visible .tnaado-logo-img {
    filter: brightness(0) invert(1) drop-shadow(0 0 12px rgba(200, 16, 46, 0.45));
}

#tnaadoStickyHeader .logo-container a:hover .tnaado-logo-fallback,
#tnaadoStickyHeader .logo-container a:focus-visible .tnaado-logo-fallback {
    color: var(--red, #c8102e);
    text-shadow: 0 0 12px rgba(200, 16, 46, 0.45);
}

#tnaadoStickyHeader .logo-container a:focus-visible {
    outline: none;
}

/* ----- Primary nav (IBM Plex Sans, 13px, refined hover halo) -------------- */
#tnaadoStickyHeader .menu-container {
    flex: 1 1 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 28px;
}

#tnaadoStickyHeader .menu-container a,
#tnaadoStickyHeader .menu-container .menu-link,
#tnaadoStickyHeader .submenu-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 0;
    margin: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    color: var(--on-black, #f5f1e8);
    font-family: 'IBM Plex Sans', var(--font-body, 'Inter', sans-serif);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: none;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: color 600ms ease-out, text-shadow 600ms ease-out;
}

/* Underline draw on hover (top-level only) */
#tnaadoStickyHeader .menu-container > a::after,
#tnaadoStickyHeader .submenu-toggle::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 2px;
    height: 1px;
    background: var(--red, #c8102e);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 600ms ease-out;
}

#tnaadoStickyHeader .menu-container a:hover,
#tnaadoStickyHeader .menu-container a:focus-visible,
#tnaadoStickyHeader .submenu-toggle:hover,
#tnaadoStickyHeader .submenu-toggle:focus-visible,
#tnaadoStickyHeader .submenu-container.open .submenu-toggle {
    color: var(--red, #c8102e);
    text-shadow: 0 0 12px rgba(200, 16, 46, 0.45),
                 0 0 24px rgba(200, 16, 46, 0.18);
    background: transparent;
    outline: none;
}

#tnaadoStickyHeader .menu-container > a:hover::after,
#tnaadoStickyHeader .menu-container > a:focus-visible::after,
#tnaadoStickyHeader .submenu-toggle:hover::after,
#tnaadoStickyHeader .submenu-toggle:focus-visible::after,
#tnaadoStickyHeader .submenu-container.open .submenu-toggle::after {
    transform: scaleX(1);
}

#tnaadoStickyHeader .submenu-toggle .caret {
    font-size: 0.65em;
    line-height: 1;
    display: inline-block;
    transition: transform 400ms ease-out;
    opacity: 0.7;
}

#tnaadoStickyHeader .submenu-container.open .submenu-toggle .caret {
    transform: rotate(180deg);
    opacity: 1;
}

/* ----- Dropdown panels (flat, sharp, hairline border) ---------------------- */
#tnaadoStickyHeader .submenu-container {
    position: relative;
    display: inline-block;
}

/* Invisible bridge so dropdown stays open when traversing the gap */
#tnaadoStickyHeader .submenu-container::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 12px;
    background: transparent;
}

#tnaadoStickyHeader .submenu-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 240px;
    margin-top: 12px;
    padding: 8px 0;
    background: var(--ink, #0a0a0a);
    border: 1px solid rgba(245, 241, 232, 0.10);
    border-radius: 0;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.55);
    z-index: 1001;
    display: none;
}

#tnaadoStickyHeader .submenu-container.open .submenu-dropdown {
    display: block;
}

#tnaadoStickyHeader .submenu-dropdown a {
    display: block;
    padding: 11px 22px;
    margin: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    color: rgba(245, 241, 232, 0.72) !important;
    font-family: 'IBM Plex Sans', var(--font-body, 'Inter', sans-serif);
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.03em;
    text-transform: none;
    text-decoration: none;
    white-space: nowrap;
    transition: color 600ms ease-out, background 600ms ease-out, padding-left 400ms ease-out;
}

#tnaadoStickyHeader .submenu-dropdown a::after {
    display: none;
}

#tnaadoStickyHeader .submenu-dropdown a:hover,
#tnaadoStickyHeader .submenu-dropdown a:focus-visible {
    color: var(--red, #c8102e) !important;
    background: rgba(200, 16, 46, 0.04) !important;
    padding-left: 26px;
    outline: none;
}

/* ----- Right cluster: Labs sister-link + Contact CTA ---------------------- */
@keyframes tn-hdr-breathe {
    0%, 100% { box-shadow: 0 0 12px rgba(200, 16, 46, 0.10); }
    50%      { box-shadow: 0 0 20px rgba(200, 16, 46, 0.20); }
}

#tnaadoStickyHeader .buttons-container {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 18px;
}

/* TNAADO Labs sister-firm link (subtle red hover glow) */
#tnaadoStickyHeader .tn-hdr__labs {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 0;
    background: transparent;
    border: none;
    color: rgba(245, 241, 232, 0.55);
    font-family: 'JetBrains Mono', var(--font-mono, monospace);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    text-decoration: none;
    white-space: nowrap;
    transition: color 600ms ease-out, text-shadow 600ms ease-out;
}

#tnaadoStickyHeader .tn-hdr__labs-arrow {
    font-size: 0.95em;
    line-height: 1;
    display: inline-block;
    transition: transform 400ms ease-out;
}

#tnaadoStickyHeader .tn-hdr__labs:hover,
#tnaadoStickyHeader .tn-hdr__labs:focus-visible {
    color: var(--red, #c8102e);
    text-shadow: 0 0 10px rgba(200, 16, 46, 0.35);
    outline: none;
}

#tnaadoStickyHeader .tn-hdr__labs:hover .tn-hdr__labs-arrow,
#tnaadoStickyHeader .tn-hdr__labs:focus-visible .tn-hdr__labs-arrow {
    transform: translate(2px, -2px);
}

/* Contact CTA (outlined red, breathing glow, fills on hover) */
#tnaadoStickyHeader .buttons-container .tn-hdr__cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 11px 22px;
    background: transparent;
    border: 1px solid var(--red, #c8102e) !important;
    border-radius: 0;
    color: var(--red, #c8102e) !important;
    font-family: 'IBM Plex Sans', var(--font-body, 'Inter', sans-serif);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: none;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    animation: tn-hdr-breathe 4s ease-in-out infinite;
    transition: color 600ms ease-out,
                background 600ms ease-out,
                box-shadow 800ms ease-out;
}

#tnaadoStickyHeader .buttons-container .tn-hdr__cta:hover,
#tnaadoStickyHeader .buttons-container .tn-hdr__cta:focus-visible {
    background: var(--red, #c8102e) !important;
    color: var(--on-black, #f5f1e8) !important;
    animation: none;
    box-shadow:
        inset 0 0 8px rgba(200, 16, 46, 0.20),
        0 0 24px rgba(200, 16, 46, 0.25),
        0 0 48px rgba(200, 16, 46, 0.18);
    transform: none;
    outline: none;
}

#tnaadoStickyHeader .tn-hdr__cta-arrow {
    display: inline-block;
    transform: translateX(0);
    transition: transform 600ms ease-out;
}

#tnaadoStickyHeader .buttons-container .tn-hdr__cta:hover .tn-hdr__cta-arrow,
#tnaadoStickyHeader .buttons-container .tn-hdr__cta:focus-visible .tn-hdr__cta-arrow {
    transform: translateX(4px);
}

/* ----- Mobile hamburger (3 bars -> red X) --------------------------------- */
#tnaadoStickyHeader .mobile-toggle {
    display: none;
    position: relative;
    width: 28px;
    height: 22px;
    padding: 0;
    margin: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    cursor: pointer;
    flex: 0 0 auto;
    color: transparent;
    font-size: 0;
}

#tnaadoStickyHeader .mobile-toggle span {
    position: absolute;
    left: 0;
    right: 0;
    height: 1.5px;
    background: var(--on-black, #f5f1e8);
    transition: background 400ms ease-out,
                transform 400ms ease-out,
                opacity 400ms ease-out,
                top 400ms ease-out;
}

#tnaadoStickyHeader .mobile-toggle span:nth-child(1) { top: 0; }
#tnaadoStickyHeader .mobile-toggle span:nth-child(2) { top: calc(50% - 0.75px); }
#tnaadoStickyHeader .mobile-toggle span:nth-child(3) { top: calc(100% - 1.5px); }

#tnaadoStickyHeader .mobile-toggle:hover span,
#tnaadoStickyHeader .mobile-toggle:focus-visible span {
    background: var(--red, #c8102e);
}

#tnaadoStickyHeader .mobile-toggle:focus-visible {
    outline: none;
}

#tnaadoStickyHeader .mobile-toggle.is-open span {
    background: var(--red, #c8102e);
}

#tnaadoStickyHeader .mobile-toggle.is-open span:nth-child(1) {
    top: calc(50% - 0.75px);
    transform: rotate(45deg);
}

#tnaadoStickyHeader .mobile-toggle.is-open span:nth-child(2) {
    opacity: 0;
}

#tnaadoStickyHeader .mobile-toggle.is-open span:nth-child(3) {
    top: calc(50% - 0.75px);
    transform: rotate(-45deg);
}

/* ============================================================================
   Mobile Responsive (<= 1023px) — full-screen drawer
============================================================================ */
@media (max-width: 1023.98px) {
    #tnaadoStickyHeader .header-container {
        padding: 0 20px;
    }

    #tnaadoStickyHeader nav {
        height: 56px;
        flex-wrap: wrap;
        gap: 16px;
    }

    #tnaadoStickyHeader .tnaado-logo-img {
        height: 26px;
    }

    #tnaadoStickyHeader .tnaado-logo-fallback {
        font-size: 22px;
    }

    #tnaadoStickyHeader .mobile-toggle {
        display: block;
        order: 2;
    }

    /* Full-screen overlay menu */
    #tnaadoStickyHeader .menu-container {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: calc(100vh - 56px);
        background: var(--ink, #0a0a0a);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        gap: 0;
        padding: 32px 24px 160px;
        overflow-y: auto;
        display: none;
        order: 3;
        border-top: 1px solid rgba(245, 241, 232, 0.10);
    }

    #tnaadoStickyHeader .menu-container.active {
        display: flex;
    }

    /* Top-level nav items: Fraunces italic serif for impact */
    #tnaadoStickyHeader .menu-container a,
    #tnaadoStickyHeader .menu-container .menu-link,
    #tnaadoStickyHeader .submenu-toggle {
        width: 100%;
        justify-content: space-between;
        text-align: left;
        padding: 18px 0;
        font-family: 'Fraunces', var(--font-display, serif);
        font-style: italic;
        font-size: 28px;
        font-weight: 400;
        letter-spacing: -0.01em;
        text-transform: none;
        border-bottom: 1px solid rgba(245, 241, 232, 0.08);
    }

    #tnaadoStickyHeader .menu-container > a::after,
    #tnaadoStickyHeader .submenu-toggle::after {
        display: none;
    }

    #tnaadoStickyHeader .submenu-toggle .caret {
        font-size: 0.45em;
    }

    /* Dropdown panels stack inline on mobile */
    #tnaadoStickyHeader .submenu-container {
        display: block;
        width: 100%;
        position: static;
    }

    #tnaadoStickyHeader .submenu-container::after {
        display: none;
    }

    #tnaadoStickyHeader .submenu-dropdown {
        position: static !important;
        transform: none !important;
        min-width: 0;
        width: 100%;
        margin-top: 0;
        padding: 4px 0 12px 16px;
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
        display: none;
    }

    #tnaadoStickyHeader .submenu-container.open .submenu-dropdown,
    #tnaadoStickyHeader .submenu-dropdown.show {
        display: block;
    }

    #tnaadoStickyHeader .submenu-dropdown a {
        padding: 12px 0;
        font-family: 'JetBrains Mono', var(--font-mono, monospace);
        font-style: normal;
        font-size: 12px;
        font-weight: 500;
        letter-spacing: 0.10em;
        text-transform: uppercase;
        background: transparent !important;
        color: rgba(245, 241, 232, 0.65) !important;
    }

    #tnaadoStickyHeader .submenu-dropdown a:hover,
    #tnaadoStickyHeader .submenu-dropdown a:focus-visible,
    #tnaadoStickyHeader .submenu-dropdown a:active {
        color: var(--red, #c8102e) !important;
        background: transparent !important;
        padding-left: 0;
    }

    /* Bottom-fixed cluster: Labs link above CTA */
    #tnaadoStickyHeader .buttons-container {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        padding: 20px 24px 28px;
        background: var(--ink, #0a0a0a);
        border-top: 1px solid rgba(245, 241, 232, 0.10);
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 14px;
        order: 4;
        z-index: 1;
    }

    #tnaadoStickyHeader .buttons-container.active {
        display: flex;
    }

    #tnaadoStickyHeader .tn-hdr__labs {
        justify-content: center;
        padding: 8px 0;
        font-size: 11px;
    }

    #tnaadoStickyHeader .buttons-container .tn-hdr__cta {
        width: 100%;
        justify-content: center;
        padding: 14px 22px;
    }
}

/* ============================================================================
   Reduced motion: kill animations, near-instant transitions
============================================================================ */
@media (prefers-reduced-motion: reduce) {
    #tnaadoStickyHeader .buttons-container .tn-hdr__cta {
        animation: none !important;
    }

    #tnaadoStickyHeader .tnaado-logo-img,
    #tnaadoStickyHeader .tnaado-logo-fallback,
    #tnaadoStickyHeader .menu-container a,
    #tnaadoStickyHeader .submenu-toggle,
    #tnaadoStickyHeader .menu-container > a::after,
    #tnaadoStickyHeader .submenu-toggle::after,
    #tnaadoStickyHeader .submenu-toggle .caret,
    #tnaadoStickyHeader .submenu-dropdown a,
    #tnaadoStickyHeader .tn-hdr__labs,
    #tnaadoStickyHeader .tn-hdr__labs-arrow,
    #tnaadoStickyHeader .buttons-container .tn-hdr__cta,
    #tnaadoStickyHeader .tn-hdr__cta-arrow,
    #tnaadoStickyHeader .mobile-toggle span {
        transition-duration: 1ms !important;
    }
}