/* ==========================================================================
   AIRadio Theme Main Stylesheet
   Corporate Industrial RF & Mission-Critical Communications Aesthetics
   Modeled after https://airadio.com/
   ========================================================================== */

/* 1. LAYOUT & CONTAINERS */
.air-container {
    width: 100%;
    max-width: 1440px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
}

.air-container-fluid {
    width: 100%;
    padding-left: 15px;
    padding-right: 15px;
}

/* 2. BUTTONS & UI ELEMENTS */
.air-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 2px;
    cursor: pointer;
    border: none;
    transition: var(--transition-normal);
    line-height: 1;
    text-decoration: none;
}

.air-btn-red {
    background-color: var(--air-primary);
    color: var(--air-white) !important;
}

.air-btn-red:hover {
    background-color: var(--air-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(41, 134, 208, 0.3);
}

.air-btn-outline {
    background-color: transparent;
    color: var(--air-white) !important;
    border: 2px solid var(--air-white);
}

.air-btn-outline:hover {
    background-color: var(--air-white);
    color: var(--air-black) !important;
}

.air-btn-sm {
    padding: 8px 16px;
    font-size: 12px;
}

.air-btn-lg {
    padding: 14px 30px;
    font-size: 15px;
}

.air-btn-block {
    width: 100%;
}

.uppercase {
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 3. TOP BLACK BAR */
.air-black-bar {
    background-color: var(--air-black);
    color: #b0bec5;
    font-size: 12px;
    height: 38px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    position: relative;
    z-index: 1001;
}

.air-black-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.air-sub-brands {
    display: flex;
    align-items: center;
    gap: 12px;
}

.air-brand-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #ffffff;
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 0.5px;
    padding: 3px 8px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    text-transform: lowercase;
}

.air-brand-pill:hover {
    background: var(--air-primary);
    color: #ffffff;
}

.pulse-dot {
    width: 6px;
    height: 6px;
    background-color: #00e676;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 6px #00e676;
}

.air-sep {
    color: rgba(255,255,255,0.2);
}

.air-tagline-mini {
    font-size: 11px;
    color: #90a4ae;
    letter-spacing: 0.3px;
}

.air-top-actions {
    display: flex;
    align-items: center;
    gap: 18px;
}

.air-icon-btn {
    background: none;
    border: none;
    color: #cfd8dc;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    cursor: pointer;
    padding: 4px 6px;
    transition: var(--transition-fast);
}

.air-icon-btn:hover {
    color: #ffffff;
}

.air-icon-btn.air-btn-highlight {
    color: #83c5f5;
    font-weight: 600;
}

.air-icon-btn.air-dealer-link {
    color: var(--air-primary);
    font-weight: 700;
}

/* 4. MAIN STICKY NAVBAR */
.air-header {
    background-color: var(--air-white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    transition: var(--transition-normal);
}

.air-nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.air-logo-wrap {
    display: flex;
    align-items: center;
}

.air-brand-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.air-logo-graphics {
    display: flex;
    align-items: center;
    gap: 12px;
}

.air-symbol-svg {
    flex-shrink: 0;
}

.air-brand-text {
    display: flex;
    flex-direction: column;
}

.air-word-air {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 28px;
    line-height: 1;
    color: var(--air-primary);
    letter-spacing: -0.5px;
}

.air-word-full {
    font-size: 9.5px;
    text-transform: uppercase;
    color: var(--air-slate);
    font-weight: 700;
    letter-spacing: 0.8px;
    line-height: 1.2;
    margin-top: 2px;
}

/* DESKTOP NAVIGATION */
.air-desktop-nav {
    display: flex;
    align-items: center;
    height: 100%;
}

.air-menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    height: 100%;
    gap: 4px;
}

.air-menu-item {
    height: 100%;
    display: flex;
    align-items: center;
    position: relative;
}

.air-nav-link {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 0 16px;
    height: 100%;
    font-family: var(--font-heading);
    font-size: 14.5px;
    font-weight: 600;
    color: var(--air-slate-dark);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    transition: var(--transition-fast);
}

.air-nav-link:hover,
.air-menu-item:hover > .air-nav-link {
    color: var(--air-primary);
}

.chevron-down {
    transition: transform 0.2s ease;
}

.air-menu-item:hover .chevron-down {
    transform: rotate(180deg);
}

/* MEGA DROPDOWNS */
.air-mega-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 1140px;
    max-width: 95vw;
    background-color: var(--air-white);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
    border-top: 3px solid var(--air-primary);
    border-radius: 0 0 4px 4px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
    z-index: 999;
}

.air-menu-item.has-mega:hover .air-mega-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.air-mega-inner {
    padding: 32px 36px 0;
}

.air-mega-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.air-mega-title {
    font-size: 13px;
    font-weight: 800;
    color: var(--air-primary);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--air-gray-300);
}

.air-mega-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.air-mega-links li {
    margin-bottom: 10px;
}

.air-mega-links a {
    font-size: 13.5px;
    color: var(--air-slate);
    display: block;
    line-height: 1.35;
    transition: var(--transition-fast);
}

.air-mega-links a strong {
    color: var(--air-black);
    font-weight: 700;
}

.air-mega-links a:hover {
    color: var(--air-primary);
    transform: translateX(3px);
}

.brand-links-grid li {
    margin-bottom: 8px;
}

.air-mega-footer {
    margin-top: 24px;
    padding: 16px 0;
    border-top: 1px solid var(--air-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--air-gray-600);
}

.air-mega-cta {
    color: var(--air-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.air-mega-cta:hover {
    text-decoration: underline;
}

/* NAVBAR CTA & MOBILE TOGGLE */
.air-nav-cta-wrap {
    display: flex;
    align-items: center;
    gap: 14px;
}

.air-mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.air-mobile-toggle span {
    width: 100%;
    height: 2.5px;
    background-color: var(--air-slate-dark);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* 5. HERO CAROUSEL */
.air-hero-carousel {
    position: relative;
    width: 100%;
    min-height: 520px;
    background-color: var(--air-black);
    overflow: hidden;
}

.air-carousel-track {
    position: relative;
    width: 100%;
    height: 520px;
}

.air-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease-in-out, visibility 0.8s;
    display: flex;
    align-items: center;
}

.air-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.air-slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    transform: scale(1.04);
    transition: transform 7s ease;
}

.air-slide.active .air-slide-bg {
    transform: scale(1);
}

.air-slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(0, 10, 18, 0.92) 0%, rgba(0, 10, 18, 0.75) 45%, rgba(0, 10, 18, 0.25) 100%);
}

.air-slide-content-wrap {
    position: relative;
    z-index: 3;
    display: flex;
    align-items: center;
}

.air-slide-caption {
    max-width: 640px;
    color: var(--air-white);
}

.air-slide-badge {
    display: inline-block;
    background-color: var(--air-primary);
    color: var(--air-white);
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1px;
    padding: 5px 12px;
    text-transform: uppercase;
    margin-bottom: 16px;
    border-radius: 2px;
}

.air-slide-title {
    font-size: 44px;
    font-weight: 800;
    color: var(--air-white);
    margin-bottom: 16px;
    line-height: 1.15;
    letter-spacing: -0.5px;
}

.air-slide-desc {
    font-size: 17px;
    line-height: 1.55;
    color: #cfd8dc;
    margin-bottom: 28px;
}

.air-slide-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* CAROUSEL ARROWS & DOTS */
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(0,0,0,0.4);
    color: var(--air-white);
    border: none;
    border-radius: 2px;
    cursor: pointer;
    z-index: 5;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.carousel-arrow:hover {
    background: var(--air-primary);
}

.carousel-arrow.prev { left: 24px; }
.carousel-arrow.next { right: 24px; }

.air-carousel-dots {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 5;
}

.air-carousel-dots .dot {
    width: 32px;
    height: 4px;
    background: rgba(255,255,255,0.4);
    border-radius: 2px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.air-carousel-dots .dot.active {
    background: var(--air-primary);
    width: 48px;
}

/* 6. CATEGORIES & INTERACTIVE ACCORDION SECTION */
.air-categories-section {
    background-color: var(--air-gray-200);
    padding: 24px 0 0;
}

.air-category-tiles-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

.air-cat-tile {
    background: var(--air-white);
    cursor: pointer;
    overflow: hidden;
    position: relative;
    border-bottom: 4px solid transparent;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.air-cat-tile:hover,
.air-cat-tile.active {
    border-bottom-color: var(--air-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.cat-tile-media {
    position: relative;
    height: 130px;
    overflow: hidden;
    background-color: var(--air-slate-dark);
}

.cat-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.air-cat-tile:hover .cat-img {
    transform: scale(1.08);
}

.cat-tile-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 10, 18, 0.25);
    transition: var(--transition-fast);
}

.air-cat-tile:hover .cat-tile-overlay {
    background: rgba(41, 134, 208, 0.2);
}

.cat-tile-title {
    padding: 12px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--air-white);
}

.cat-tile-title h3 {
    font-size: 13.5px;
    font-weight: 700;
    margin: 0;
    color: var(--air-slate-dark);
    line-height: 1.3;
}

.cat-expand-indicator {
    font-size: 18px;
    font-weight: 700;
    color: var(--air-primary);
}

/* ACCORDION PANELS */
.air-accordion-panels {
    margin-top: 14px;
}

.air-accordion-panel {
    display: none;
    background-color: var(--air-slate);
    color: var(--air-white);
    padding: 24px 30px;
    border-top: 3px solid var(--air-primary);
    animation: fadeIn 0.3s ease;
}

.air-accordion-panel.open {
    display: block;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.panel-header h4 {
    color: var(--air-white);
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0;
}

.panel-close-btn {
    background: none;
    border: none;
    color: rgba(255,255,255,0.6);
    font-size: 24px;
    cursor: pointer;
}

.panel-close-btn:hover {
    color: var(--air-white);
}

.panel-columns-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px 24px;
}

.panel-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.panel-columns-grid li a {
    color: #cfd8dc;
    font-size: 13.5px;
    display: block;
    line-height: 1.4;
    transition: var(--transition-fast);
}

.panel-columns-grid li a strong {
    color: var(--air-white);
}

.panel-columns-grid li a:hover {
    color: var(--air-primary);
    transform: translateX(4px);
}

/* 7. PARTNERS CAROUSEL / TICKER */
.air-partners-section {
    background-color: var(--air-white);
    padding: 24px 0;
    border-bottom: 1px solid var(--air-gray-300);
    overflow: hidden;
}

.partners-ticker-wrap {
    width: 100%;
    overflow: hidden;
}

.partners-ticker-inner {
    display: flex;
    align-items: center;
    gap: 48px;
    width: max-content;
    animation: marquee 28s linear infinite;
}

.partners-ticker-inner:hover {
    animation-play-state: paused;
}

.partner-logo-item {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--transition-normal);
}

.partner-logo-item img {
    max-height: 38px;
    width: auto;
}

.partner-logo-item:hover {
    filter: grayscale(0%);
    opacity: 1;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* 8. SPLIT PRODUCT SPOTLIGHTS & NEWS HUB */
.air-split-news-section {
    background-color: var(--air-gray-300);
}

.air-split-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

/* Left Spotlights 2x2 */
.air-spotlights-col {
    background-color: var(--air-gray-400);
}

.spotlights-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    height: 100%;
}

.spotlight-card {
    position: relative;
    min-height: 250px;
    overflow: hidden;
}

.spotlight-image-wrap {
    width: 100%;
    height: 100%;
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
    background-color: #e0e0e0;
    position: relative;
    display: flex;
    align-items: flex-end;
    padding: 20px;
    transition: transform 0.4s ease;
}

.spotlight-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, rgba(0, 10, 18, 0.85) 0%, rgba(0, 10, 18, 0.2) 60%, transparent 100%);
}

.spotlight-content {
    position: relative;
    z-index: 2;
}

.spotlight-title {
    color: var(--air-white);
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.3;
}

/* Right News Hub */
.air-news-col {
    background-color: var(--air-gray-200);
    padding: 40px 48px;
}

.news-col-inner {
    max-width: 620px;
}

.air-section-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--air-black);
    margin-bottom: 24px;
    position: relative;
}

.air-section-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background-color: var(--air-primary);
    margin-top: 8px;
}

.air-news-list {
    margin-bottom: 30px;
}

.news-item {
    padding-bottom: 18px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--air-gray-300);
}

.news-date {
    font-size: 12px;
    font-weight: 700;
    color: var(--air-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: 4px;
}

.news-heading {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 6px;
    line-height: 1.35;
}

.news-heading a {
    color: var(--air-slate-dark);
}

.news-heading a:hover {
    color: var(--air-primary);
}

.news-snippet {
    font-size: 13px;
    color: var(--air-gray-700);
    margin: 0;
    line-height: 1.5;
}

.air-action-buttons-stack {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* 9. QUICK RESOURCE TILES */
.air-resources-section {
    background-color: var(--air-white);
    padding: 36px 0;
    border-bottom: 1px solid var(--air-gray-300);
}

.air-resource-tiles-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.resource-tile {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--air-gray-100);
    border-left: 3px solid var(--air-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
}

.resource-tile:hover {
    background: var(--air-white);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.resource-icon {
    color: var(--air-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.resource-info h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--air-black);
}

.resource-info p {
    font-size: 12.5px;
    color: var(--air-gray-600);
    margin: 0;
    line-height: 1.4;
}

/* 10. FEATURED PRODUCTS CATALOG GRID */
.air-featured-products-section {
    background-color: var(--air-gray-100);
    padding: 60px 0;
}

.section-header-wrap {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 36px;
}

.section-badge {
    display: inline-block;
    color: var(--air-primary);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.air-products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.air-product-card {
    background: var(--air-white);
    border: 1px solid var(--air-gray-300);
    border-radius: 2px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
}

.air-product-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--air-primary);
    transform: translateY(-4px);
}

.product-thumb-wrap {
    height: 220px;
    background-color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
    border-bottom: 1px solid var(--air-gray-200);
}

.product-img {
    max-height: 100%;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.air-product-card:hover .product-img {
    transform: scale(1.06);
}

.prod-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background-color: var(--air-primary);
    color: var(--air-white);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 2px;
}

.product-details {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.prod-category {
    font-size: 11px;
    font-weight: 700;
    color: var(--air-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.prod-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--air-slate-dark);
    margin-bottom: 10px;
    line-height: 1.35;
    flex-grow: 1;
}

.prod-title a:hover {
    color: var(--air-primary);
}

.prod-excerpt {
    font-size: 12.5px;
    color: var(--air-gray-700);
    margin-bottom: 16px;
    line-height: 1.45;
}

.prod-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--air-gray-200);
}

.prod-actions .air-btn {
    flex: 1;
}

/* 11. PRE-FOOTER & AJAX FORM */
.air-pre-footer {
    background-color: var(--air-slate);
    color: var(--air-white);
    padding: 60px 0;
    border-top: 4px solid var(--air-primary);
}

.air-pre-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1.3fr;
    gap: 48px;
}

.air-footer-columns {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.air-footer-heading {
    color: var(--air-primary);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 18px;
}

.air-footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.air-footer-links li {
    margin-bottom: 10px;
}

.air-footer-links a {
    color: #b0bec5;
    font-size: 12.5px;
    line-height: 1.4;
    display: block;
    transition: var(--transition-fast);
}

.air-footer-links a:hover {
    color: var(--air-white);
    transform: translateX(3px);
}

/* Right Form Box */
.air-form-box {
    background-color: var(--air-slate-dark);
    padding: 30px;
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.08);
}

.air-form-title {
    color: var(--air-white);
    font-size: 16px;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.air-form-subtitle {
    font-size: 12.5px;
    color: #90a4ae;
    margin-bottom: 20px;
    line-height: 1.4;
}

.form-group {
    margin-bottom: 12px;
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-row-2 .form-group {
    flex: 1;
}

.air-input {
    width: 100%;
    padding: 10px 14px;
    background: #ffffff;
    border: 1px solid #cfd8dc;
    border-radius: 2px;
    font-size: 13px;
    color: var(--air-black);
    font-family: var(--font-body);
    outline: none;
    transition: var(--transition-fast);
}

.air-input:focus {
    border-color: var(--air-primary);
    box-shadow: 0 0 0 2px rgba(41, 134, 208, 0.2);
}

.air-textarea {
    resize: vertical;
}

.form-status {
    padding: 10px;
    margin-bottom: 14px;
    border-radius: 2px;
    font-size: 12.5px;
    line-height: 1.4;
}

.form-status.success {
    background-color: #2e7d32;
    color: #ffffff;
}

.form-status.error {
    background-color: #c62828;
    color: #ffffff;
}

.air-partner-badge-wrap {
    display: flex;
    gap: 16px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.partner-badge-item {
    flex: 1;
    background: rgba(255,255,255,0.05);
    padding: 8px 12px;
    border-radius: 2px;
    border-left: 2px solid var(--air-primary);
}

.partner-badge-item .badge-title {
    display: block;
    font-size: 9px;
    color: #90a4ae;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.partner-badge-item .badge-name {
    display: block;
    font-size: 11px;
    font-weight: 800;
    color: #ffffff;
    margin-top: 2px;
}

/* 12. BOTTOM COPYRIGHT BAR */
.air-bottom-bar {
    background-color: var(--air-gray-200);
    padding: 16px 0;
    border-top: 1px solid var(--air-gray-300);
    font-size: 12px;
    color: var(--air-gray-600);
}

.air-bottom-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.air-dnb-seal {
    display: flex;
    align-items: center;
    gap: 8px;
}

.dnb-mark {
    background: var(--air-black);
    color: #ffd700;
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 12px;
    padding: 2px 6px;
    border-radius: 2px;
    letter-spacing: 0.5px;
}

.dnb-text {
    font-weight: 600;
    color: var(--air-gray-700);
}

.air-legal-nav {
    display: flex;
    align-items: center;
    gap: 10px;
}

.air-legal-nav a:hover {
    color: var(--air-primary);
}

.air-legal-nav .sep {
    color: var(--air-gray-400);
}

.air-copyright p {
    margin: 0;
}

/* 13. FLOATING SCROLL TO TOP */
.air-scroll-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    background-color: var(--air-primary);
    color: var(--air-white);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-normal);
}

.air-scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.air-scroll-top:hover {
    background-color: var(--air-primary-hover);
    transform: translateY(-3px);
}

/* 14. MODAL DIALOGS */
.air-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s;
}

.air-modal.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.air-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 10, 18, 0.75);
    backdrop-filter: blur(4px);
}

.air-modal-dialog {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 580px;
    margin: 20px;
    transform: translateY(-20px);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.air-modal.active .air-modal-dialog {
    transform: translateY(0);
}

.air-modal-content {
    background-color: var(--air-white);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
    border-top: 4px solid var(--air-primary);
}

.air-modal-header {
    padding: 24px 28px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.air-modal-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--air-black);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.header-badge {
    position: absolute;
    top: 10px;
    left: 28px;
    font-size: 10px;
    font-weight: 800;
    color: var(--air-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.air-modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--air-gray-600);
    cursor: pointer;
    line-height: 1;
}

.air-modal-close:hover {
    color: var(--air-primary);
}

.air-modal-body {
    padding: 10px 28px 28px;
}

.modal-lead {
    font-size: 13.5px;
    color: var(--air-gray-700);
    margin-bottom: 20px;
    line-height: 1.5;
}

/* SEARCH MODAL FORM */
.air-search-form .search-input-wrap {
    display: flex;
    gap: 8px;
}

.air-search-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--air-gray-400);
    border-radius: 2px;
    font-size: 15px;
    outline: none;
}

.air-search-input:focus {
    border-color: var(--air-primary);
}

.search-suggestions {
    margin-top: 18px;
    font-size: 12.5px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.sugg-label {
    color: var(--air-gray-600);
    font-weight: 700;
}

.search-suggestions a {
    color: var(--air-slate);
    background: var(--air-gray-200);
    padding: 4px 10px;
    border-radius: 3px;
}

.search-suggestions a:hover {
    background: var(--air-primary);
    color: var(--air-white);
}

/* 15. SINGLE PRODUCT & INNER PAGES */
.air-page-banner {
    background: linear-gradient(135deg, var(--air-slate-dark) 0%, var(--air-black) 100%);
    color: var(--air-white);
    padding: 48px 0 36px;
    border-bottom: 3px solid var(--air-primary);
}

.air-breadcrumbs {
    font-size: 12px;
    color: #90a4ae;
    margin-bottom: 12px;
    display: flex;
    gap: 8px;
}

.air-breadcrumbs a:hover {
    color: var(--air-primary);
}

.air-breadcrumbs .current {
    color: var(--air-white);
    font-weight: 700;
}

.air-page-title {
    font-size: 36px;
    color: var(--air-white);
    margin: 0;
}

.air-page-desc {
    font-size: 15px;
    color: #cfd8dc;
    margin-top: 8px;
    margin-bottom: 0;
}

.air-single-prod-layout {
    padding: 50px 24px;
}

.air-prod-hero-row {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    margin-bottom: 50px;
}

.prod-main-img-wrap {
    background: var(--air-white);
    border: 1px solid var(--air-gray-300);
    padding: 40px;
    border-radius: 4px;
    text-align: center;
    position: relative;
}

.prod-main-img {
    max-height: 420px;
    margin: 0 auto;
    object-fit: contain;
}

.prod-badge-lg {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--air-primary);
    color: #ffffff;
    padding: 4px 12px;
    font-weight: 800;
    font-size: 12px;
    border-radius: 2px;
    text-transform: uppercase;
}

.prod-brand-tag {
    font-size: 13px;
    font-weight: 800;
    color: var(--air-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.prod-headline {
    font-size: 32px;
    font-weight: 800;
    color: var(--air-slate-dark);
    margin-bottom: 12px;
    line-height: 1.2;
}

.prod-model-code {
    font-size: 14px;
    color: var(--air-gray-600);
    margin-bottom: 16px;
}

.prod-tagline-lead {
    font-size: 16px;
    color: var(--air-gray-700);
    line-height: 1.6;
    margin-bottom: 28px;
}

.prod-cta-group {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.prod-key-features {
    background: var(--air-gray-100);
    padding: 24px;
    border-left: 3px solid var(--air-primary);
    border-radius: 2px;
}

.prod-key-features h4 {
    font-size: 14px;
    text-transform: uppercase;
    margin-bottom: 14px;
    letter-spacing: 0.5px;
}

.specs-bullets {
    list-style: none;
    margin: 0;
    padding: 0;
}

.specs-bullets li {
    font-size: 13.5px;
    margin-bottom: 8px;
    display: flex;
    gap: 8px;
    line-height: 1.4;
}

.check-icon {
    color: var(--air-primary);
    font-weight: 800;
}

/* Tabs */
.prod-tabs-header {
    display: flex;
    border-bottom: 2px solid var(--air-gray-300);
    margin-bottom: 24px;
}

.prod-tab {
    background: none;
    border: none;
    padding: 12px 28px;
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--air-gray-600);
    cursor: pointer;
    position: relative;
}

.prod-tab.active {
    color: var(--air-primary);
    border-bottom: 3px solid var(--air-primary);
    margin-bottom: -2px;
}

.prod-tab-content {
    display: none;
}

.prod-tab-content.active {
    display: block;
}

.air-spec-table {
    width: 100%;
    border-collapse: collapse;
}

.air-spec-table th,
.air-spec-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--air-gray-300);
    font-size: 14px;
}

.air-spec-table th {
    background-color: var(--air-gray-100);
    color: var(--air-slate-dark);
    width: 250px;
    text-align: left;
    font-weight: 700;
}

/* 16. MOBILE DRAWER */
.air-mobile-drawer {
    position: fixed;
    top: 0;
    right: -320px;
    width: 320px;
    height: 100%;
    background-color: var(--air-slate-dark);
    color: var(--air-white);
    z-index: 2100;
    box-shadow: -5px 0 25px rgba(0,0,0,0.4);
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.air-mobile-drawer.open {
    right: 0;
}

.air-drawer-header {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.drawer-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 800;
    color: var(--air-primary);
    text-transform: uppercase;
}

.drawer-close {
    background: none;
    border: none;
    color: var(--air-white);
    font-size: 32px;
    cursor: pointer;
    line-height: 1;
}

.air-drawer-body {
    padding: 24px;
    overflow-y: auto;
}

.drawer-quick-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 24px;
}

.drawer-action-btn {
    width: 100%;
    padding: 12px;
    background: var(--air-primary);
    color: #ffffff;
    border: none;
    border-radius: 2px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    cursor: pointer;
}

.air-mobile-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.air-mobile-nav-list li {
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.air-mobile-nav-list a {
    display: block;
    padding: 14px 0;
    color: #cfd8dc;
    font-size: 15px;
    font-weight: 600;
}

.air-mobile-nav-list a:hover {
    color: var(--air-primary);
}

/* 17. RESPONSIVE BREAKPOINTS */
@media (max-width: 1200px) {
    .air-category-tiles-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .panel-columns-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .air-split-grid {
        grid-template-columns: 1fr;
    }
    .air-products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .air-pre-footer-grid {
        grid-template-columns: 1fr;
    }
    .air-footer-columns {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .air-desktop-nav {
        display: none;
    }
    .air-mobile-toggle {
        display: flex;
    }
    .air-slide-title {
        font-size: 32px;
    }
    .air-resource-tiles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .air-products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .air-prod-hero-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .air-black-bar {
        display: none;
    }
    .air-hero-carousel,
    .air-carousel-track {
        min-height: 440px;
        height: 440px;
    }
    .air-slide-title {
        font-size: 26px;
    }
    .air-slide-desc {
        font-size: 14px;
    }
    .air-category-tiles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .panel-columns-grid {
        grid-template-columns: 1fr;
    }
    .air-products-grid {
        grid-template-columns: 1fr;
    }
    .air-resource-tiles-grid {
        grid-template-columns: 1fr;
    }
    .air-bottom-bar-inner {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    .air-legal-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .air-category-tiles-grid {
        grid-template-columns: 1fr;
    }
    .spotlights-grid {
        grid-template-columns: 1fr;
    }
    .air-action-buttons-stack {
        grid-template-columns: 1fr;
    }
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    .air-footer-columns {
        grid-template-columns: 1fr;
    }
}