/* SELENTA Eyewear - Components */

/* ==========================================================================
   1. LAYOUT & CONTAINERS
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
}

.container-narrow {
    width: 100%;
    max-width: var(--container-narrow);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
}

.section {
    padding-top: var(--space-4xl);
    padding-bottom: var(--space-4xl);
}

.section-sm {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
}

.section-bg-soft {
    background-color: var(--color-bg-soft);
}

.section-bg-navy {
    background-color: var(--color-navy-dark);
    color: var(--color-white);
}

/* ==========================================================================
   2. TYPOGRAPHY HELPERS
   ========================================================================== */
.overline {
    display: inline-block;
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--color-gold);
    margin-bottom: var(--space-xs);
}

.section-title {
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    color: var(--color-navy-dark);
    letter-spacing: -0.01em;
    margin-bottom: var(--space-xs);
}

.section-subtitle {
    font-size: var(--text-md);
    color: var(--color-text-muted);
    max-width: 580px;
    margin-bottom: var(--space-2xl);
    font-weight: 400;
    line-height: 1.6;
}

.text-center {
    text-align: center;
}

.text-center .section-subtitle {
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================================================
   3. BUTTONS & CTAS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 0.85rem 1.85rem;
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    position: relative;
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-navy-primary);
    color: var(--color-white);
    border: 1px solid var(--color-navy-primary);
}

.btn-primary:hover {
    background-color: var(--color-navy-dark);
    border-color: var(--color-navy-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-navy-primary);
    border: 1px solid var(--color-navy-primary);
}

.btn-secondary:hover {
    background-color: var(--color-navy-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-gold {
    background-color: var(--color-gold);
    color: var(--color-navy-dark);
    border: 1px solid var(--color-gold);
    font-weight: 600;
}

.btn-gold:hover {
    background-color: var(--color-gold-hover);
    border-color: var(--color-gold-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.btn-white {
    background-color: var(--color-white);
    color: var(--color-navy-dark);
    border: 1px solid var(--color-white);
}

.btn-white:hover {
    background-color: var(--color-bg-soft);
    color: var(--color-navy-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-sm {
    padding: 0.55rem 1.15rem;
    font-size: var(--text-xs);
}

.btn-lg {
    padding: 1.1rem 2.4rem;
    font-size: var(--text-base);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    color: var(--color-navy-dark);
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--color-navy-primary);
    border-color: var(--color-navy-primary);
    color: var(--color-white);
    transform: scale(1.05);
}

/* ==========================================================================
   4. HEADER & NAVIGATION
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    z-index: var(--z-sticky);
    transition: all var(--transition-normal);
}

.site-header.is-scrolled {
    height: 72px;
    box-shadow: var(--shadow-header);
    background-color: rgba(255, 255, 255, 0.98);
}

.header-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

/* Brand Logo */
.brand-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.brand-logo-text {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    color: var(--color-navy-primary);
    text-transform: uppercase;
    transition: color var(--transition-fast);
}

.brand-logo-text span {
    color: var(--color-gold);
}

.brand-logo:hover .brand-logo-text {
    color: var(--color-navy-dark);
}

/* Navigation Links */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.2rem;
}

.nav-link {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.03em;
    color: var(--color-navy-primary);
    position: relative;
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-gold);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-navy-dark);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.action-btn {
    position: relative;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--color-navy-primary);
    background: transparent;
    transition: all var(--transition-fast);
}

.action-btn:hover {
    background-color: var(--color-bg-soft);
    color: var(--color-navy-dark);
}

.action-btn svg {
    width: 22px;
    height: 22px;
}

.badge-count {
    position: absolute;
    top: 4px;
    right: 4px;
    background-color: var(--color-navy-primary);
    color: var(--color-white);
    font-size: 0.68rem;
    font-weight: 600;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1.5px solid var(--color-white);
}

/* Mobile Hamburger Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    background: transparent;
    cursor: pointer;
}

.mobile-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--color-navy-primary);
    transition: all var(--transition-normal);
    border-radius: 2px;
}

.mobile-toggle.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.mobile-toggle.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   5. MOBILE DRAWER MENU
   ========================================================================== */
.mobile-menu-drawer {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-white);
    z-index: var(--z-drawer);
    padding: var(--space-xl) var(--space-lg);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transform: translateX(-100%);
    transition: transform var(--transition-smooth);
    overflow-y: auto;
    border-top: 1px solid var(--color-border);
}

.mobile-menu-drawer.is-open {
    transform: translateX(0);
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.mobile-nav-link {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    color: var(--color-navy-dark);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--color-bg-soft);
}

.mobile-nav-link.active {
    color: var(--color-gold);
}

.mobile-menu-footer {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* ==========================================================================
   6. PRODUCT CARD COMPONENT
   ========================================================================== */
.product-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--space-md);
    position: relative;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-normal);
}

.product-card:hover {
    border-color: var(--color-navy-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.product-card-image-wrap {
    position: relative;
    width: 100%;
    padding-top: 75%; /* 4:3 Aspect Ratio */
    background-color: var(--color-bg-soft);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: var(--space-md);
}

.product-card-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--space-md);
    transition: transform var(--transition-smooth), opacity var(--transition-normal);
}

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

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 8px;
    background-color: var(--color-navy-primary);
    color: var(--color-white);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 2px;
    z-index: 2;
}

.product-badge.gold {
    background-color: var(--color-gold);
    color: var(--color-navy-dark);
}

.favorite-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
    cursor: pointer;
    z-index: 2;
    transition: all var(--transition-fast);
}

.favorite-btn:hover,
.favorite-btn.is-active {
    color: #E74C3C;
    background: var(--color-white);
    border-color: #E74C3C;
}

.favorite-btn.is-active svg {
    fill: #E74C3C;
}

.product-quick-actions {
    position: absolute;
    bottom: 12px;
    left: 12px;
    right: 12px;
    display: flex;
    gap: var(--space-xs);
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-normal);
    z-index: 3;
}

.product-card:hover .product-quick-actions {
    opacity: 1;
    transform: translateY(0);
}

.product-meta {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-brand {
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--color-gold);
    text-transform: uppercase;
    margin-bottom: 2px;
}

.product-name {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-navy-dark);
    margin-bottom: var(--space-xs);
    line-height: 1.3;
}

.product-name a {
    color: inherit;
}

.product-name a:hover {
    color: var(--color-gold);
}

.product-specs-chip {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.product-price-row {
    display: flex;
    align-items: baseline;
    gap: var(--space-xs);
    margin-top: auto;
    padding-top: var(--space-xs);
}

.product-price {
    font-family: var(--font-body);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-navy-primary);
}

.product-old-price {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    text-decoration: line-through;
}

/* ==========================================================================
   7. FORM ELEMENTS
   ========================================================================== */
.form-group {
    margin-bottom: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-2xs);
}

.form-label {
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-navy-dark);
}

.form-control {
    width: 100%;
    padding: 0.85rem 1rem;
    font-size: var(--text-sm);
    color: var(--color-text-main);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    border-color: var(--color-navy-primary);
    box-shadow: 0 0 0 3px rgba(14, 42, 71, 0.1);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-md);
}

/* ==========================================================================
   8. MODAL & OVERLAYS
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(8, 27, 45, 0.65);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.is-active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    padding: var(--space-2xl);
    transform: scale(0.96) translateY(15px);
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.modal-overlay.is-active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 36px;
    height: 36px;
    background: var(--color-bg-soft);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-navy-dark);
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 5;
}

.modal-close:hover {
    background: var(--color-navy-primary);
    color: var(--color-white);
}

/* Search Overlay Specific */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(8, 27, 45, 0.94);
    z-index: var(--z-modal);
    display: flex;
    flex-direction: column;
    padding: var(--space-3xl) var(--space-xl);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.search-modal.is-active {
    opacity: 1;
    visibility: visible;
}

.search-container {
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
}

.search-input-wrap {
    display: flex;
    align-items: center;
    border-bottom: 2px solid var(--color-gold);
    padding-bottom: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.search-input {
    width: 100%;
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    color: var(--color-white);
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.search-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-md);
    max-height: 50vh;
    overflow-y: auto;
}

/* ==========================================================================
   9. TOAST NOTIFICATIONS
   ========================================================================== */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    pointer-events: none;
}

.toast {
    background-color: var(--color-navy-dark);
    color: var(--color-white);
    padding: 0.9rem 1.4rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--color-gold);
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    pointer-events: auto;
    transform: translateY(20px);
    opacity: 0;
    transition: all var(--transition-normal);
}

.toast.is-show {
    transform: translateY(0);
    opacity: 1;
}

/* ==========================================================================
   10. FOOTER
   ========================================================================== */
.site-footer {
    background-color: var(--color-navy-dark);
    color: var(--color-white);
    padding-top: var(--space-4xl);
    padding-bottom: var(--space-2xl);
    border-top: 1px solid var(--color-border-dark);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    letter-spacing: 0.15em;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.footer-slogan {
    color: var(--color-text-light);
    font-size: var(--text-sm);
    margin-bottom: var(--space-lg);
    font-style: italic;
}

.footer-col-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    color: var(--color-white);
    margin-bottom: var(--space-lg);
    position: relative;
    padding-bottom: var(--space-xs);
}

.footer-col-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 24px;
    height: 2px;
    background-color: var(--color-gold);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-gold);
    transform: translateX(4px);
}

.footer-newsletter-form {
    display: flex;
    gap: var(--space-2xs);
    margin-top: var(--space-md);
}

.footer-newsletter-input {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    padding: 0.75rem 1rem;
    font-size: var(--text-sm);
    border-radius: var(--radius-sm);
    width: 100%;
}

.footer-newsletter-input:focus {
    border-color: var(--color-gold);
    outline: none;
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--text-xs);
    color: var(--color-text-light);
}

.footer-social-icons {
    display: flex;
    gap: var(--space-sm);
}

.footer-social-icons a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.footer-social-icons a:hover {
    background: var(--color-gold);
    color: var(--color-navy-dark);
}

/* ==========================================================================
   10. PHASE 6: ADVANCED OPTICAL LENS SIMULATOR & SPLIT SLIDER ENGINE
   ========================================================================== */
.optical-sim-box {
    background: #0B132B;
    border: 1px solid rgba(199, 168, 107, 0.25);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 20px 40px -15px rgba(9, 27, 47, 0.4);
    margin-bottom: var(--space-md);
    position: relative;
}

/* Scenario Top Switcher Bar */
.sim-scenario-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(9, 27, 47, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 10px 16px;
    gap: 8px;
    flex-wrap: wrap;
}

.sim-scenario-tabs {
    display: flex;
    gap: 6px;
    background: rgba(255, 255, 255, 0.06);
    padding: 4px;
    border-radius: 30px;
}

.sim-scenario-btn {
    border: none;
    background: transparent;
    color: #94A3B8;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.sim-scenario-btn:hover {
    color: #FFFFFF;
    background: rgba(255, 255, 255, 0.08);
}

.sim-scenario-btn.is-active {
    background: linear-gradient(135deg, #C7A86B, #DFC288);
    color: #091B2F;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(199, 168, 107, 0.3);
}

.sim-view-mode-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
}

.sim-mode-btn {
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.04);
    color: #CBD5E1;
    font-size: 0.7rem;
    padding: 4px 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.sim-mode-btn.is-active, .sim-mode-btn:hover {
    border-color: #C7A86B;
    color: #DFC288;
    background: rgba(199, 168, 107, 0.1);
}

/* Split Slider Viewport */
.sim-viewport {
    position: relative;
    width: 100%;
    height: 420px;
    overflow: hidden;
    user-select: none;
    touch-action: none;
    cursor: col-resize;
    background-color: #020617;
}

@media (max-width: 768px) {
    .sim-viewport {
        height: 320px;
    }
}

/* Scene Background Layer */
.sim-scene-layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: background-image 0.4s ease-in-out;
}

/* Before & After Layers */
.sim-layer-before {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.sim-layer-after {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    clip-path: polygon(50% 0, 100% 0, 100% 100%, 50% 100%);
    will-change: clip-path;
}

/* Optical Filter Shaders */
.sim-layer-after.mode-normal {
    filter: none;
}

.sim-layer-after.mode-blue {
    filter: sepia(18%) saturate(110%) hue-rotate(-5deg) contrast(102%) brightness(98%);
}

.sim-layer-after.mode-blue::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 60% 40%, rgba(56, 189, 248, 0.12) 0%, rgba(14, 42, 71, 0.22) 80%);
    pointer-events: none;
    mix-blend-mode: color-burn;
}

.sim-layer-after.mode-yellow {
    filter: sepia(75%) hue-rotate(10deg) saturate(180%) contrast(115%) brightness(105%);
}

.sim-layer-after.mode-yellow::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(250, 204, 21, 0.2) 0%, rgba(202, 138, 4, 0.3) 80%);
    pointer-events: none;
    mix-blend-mode: overlay;
}

/* Floating Eyewear Frame Overlay */
.sim-frame-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 85%;
    max-height: 280px;
    object-fit: contain;
    pointer-events: none;
    z-index: 10;
    filter: drop-shadow(0 15px 25px rgba(0, 0, 0, 0.7));
    transition: opacity 0.3s ease;
}

/* Anti-Reflective Lens Sheen in Simulator */
.sim-lens-sheen {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 11;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.sim-layer-after.mode-blue ~ .sim-lens-sheen {
    opacity: 0.85;
    background: linear-gradient(120deg, transparent 30%, rgba(56, 189, 248, 0.25) 45%, rgba(255, 255, 255, 0.4) 50%, rgba(56, 189, 248, 0.2) 55%, transparent 70%);
}

.sim-layer-after.mode-yellow ~ .sim-lens-sheen {
    opacity: 0.7;
    background: linear-gradient(120deg, transparent 30%, rgba(250, 204, 21, 0.3) 45%, rgba(255, 255, 255, 0.35) 50%, rgba(234, 179, 8, 0.2) 55%, transparent 70%);
}

/* Draggable Split Divider */
.sim-divider {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: #DFC288;
    box-shadow: 0 0 12px rgba(223, 194, 136, 0.8), 0 0 25px rgba(0, 0, 0, 0.5);
    z-index: 20;
    transform: translateX(-50%);
    pointer-events: none;
}

.sim-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #091B2F;
    border: 2px solid #DFC288;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #DFC288;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.6), 0 0 14px rgba(223, 194, 136, 0.4);
    font-size: 14px;
    cursor: grab;
    pointer-events: auto;
    transition: transform 0.15s ease, background-color 0.2s ease;
}

.sim-handle:active {
    cursor: grabbing;
    transform: translate(-50%, -50%) scale(1.1);
    background: #112A45;
}

/* Floating Before / After Badges */
.sim-badge-before {
    position: absolute;
    top: 14px;
    left: 16px;
    background: rgba(9, 27, 47, 0.75);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #94A3B8;
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 4px;
    z-index: 15;
    pointer-events: none;
}

.sim-badge-after {
    position: absolute;
    top: 14px;
    right: 16px;
    background: rgba(14, 42, 71, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(199, 168, 107, 0.4);
    color: #DFC288;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 4px;
    z-index: 15;
    pointer-events: none;
}

/* Bottom Controls Bar in Simulator */
.sim-footer-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #091B2F;
    padding: 10px 18px;
    font-size: 0.75rem;
    color: #94A3B8;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    flex-wrap: wrap;
    gap: 10px;
}

.sim-filter-status {
    display: flex;
    align-items: center;
    gap: 8px;
}

.sim-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10B981;
    box-shadow: 0 0 8px #10B981;
}

/* Animated Price Counter Glow */
.price-counter-animate {
    animation: priceFlash 0.4s ease-out;
}

@keyframes priceFlash {
    0% { transform: scale(1); color: var(--color-navy-dark); }
    50% { transform: scale(1.08); color: var(--color-gold); }
    100% { transform: scale(1); color: var(--color-navy-dark); }
}

/* ==============================================================================
   FLOATING WHATSAPP SUPPORT WIDGET
   ============================================================================== */
.floating-whatsapp-btn {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: #ffffff;
    padding: 12px 18px 12px 14px;
    border-radius: 50px;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35), 0 4px 10px rgba(0, 0, 0, 0.15);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1.5px solid rgba(255, 255, 255, 0.25);
}

.floating-whatsapp-btn:hover {
    transform: translateY(-4px) scale(1.04);
    box-shadow: 0 14px 30px rgba(37, 211, 102, 0.5), 0 6px 14px rgba(0, 0, 0, 0.2);
    color: #ffffff;
}

.whatsapp-icon {
    flex-shrink: 0;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.whatsapp-floating-label {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    white-space: nowrap;
    font-family: var(--font-body, 'Plus Jakarta Sans', sans-serif);
}

.whatsapp-btn-pulse {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50px;
    background: #25D366;
    opacity: 0.5;
    animation: waPulse 2.4s infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes waPulse {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    70% {
        transform: scale(1.15, 1.3);
        opacity: 0;
    }
    100% {
        transform: scale(1.15, 1.3);
        opacity: 0;
    }
}

@media (max-width: 768px) {
    .floating-whatsapp-btn {
        bottom: 20px;
        right: 20px;
        padding: 12px;
        border-radius: 50%;
    }
    .whatsapp-floating-label {
        display: none;
    }
    .whatsapp-btn-pulse {
        border-radius: 50%;
    }
}