/* ==========================================================================
   MUZARI INTERIOR - 3D & AR PRODUCT SHOWCASE STYLES
   ========================================================================== */

:root {
    --color-bg: #fcfbf9;
    --color-surface: #ffffff;
    --color-text: #1a1a1c;
    --color-text-muted: #6e6b66;
    --color-border: #e8e4dc;
    --color-gold: #c59b27;
    --color-gold-hover: #b0891d;
    --color-dark: #141416;
    --color-dark-surface: #1f1f23;
    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-elevated: 0 18px 45px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ---------------- Top Announcement ---------------- */
.top-announcement {
    background-color: var(--color-dark);
    color: #e5e0d8;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 2px;
    padding: 8px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-announcement a {
    color: var(--color-gold);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    letter-spacing: 1px;
    transition: var(--transition);
}

.top-announcement a:hover {
    color: #fff;
}

/* ---------------- Navbar ---------------- */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 16px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    cursor: pointer;
}

.logo-title {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 5px;
    line-height: 1;
    color: var(--color-dark);
}

.logo-subtitle {
    font-size: 9px;
    letter-spacing: 4px;
    color: var(--color-gold);
    font-weight: 600;
    margin-top: 3px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 36px;
}

.nav-menu a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: var(--transition);
    position: relative;
    padding-bottom: 4px;
}

.nav-menu a:hover,
.nav-menu a.active-nav {
    color: var(--color-gold);
}

.nav-menu a.active-nav::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-gold);
}

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

.icon-btn {
    background: none;
    border: none;
    font-size: 17px;
    color: var(--color-text);
    cursor: pointer;
    position: relative;
    padding: 8px;
    transition: var(--transition);
}

.icon-btn:hover {
    color: var(--color-gold);
}

.cart-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background: var(--color-gold);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    border-radius: 50%;
    width: 17px;
    height: 17px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ---------------- Product Page Layout ---------------- */
.product-page {
    max-width: 1440px;
    margin: 0 auto;
    padding: 24px 40px 80px;
}

.breadcrumbs {
    font-size: 12px;
    color: var(--color-text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 30px;
}

.breadcrumbs a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: var(--transition);
}

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

.breadcrumbs span {
    color: var(--color-dark);
    font-weight: 600;
}

.product-layout {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 50px;
    align-items: flex-start;
}

/* ---------------- Herman Miller-style 3D & Photo Column ---------------- */
.product-media-column {
    display: grid;
    grid-template-columns: 88px 1fr;
    gap: 20px;
    position: sticky;
    top: 90px;
}

/* Thumbnails Strip */
.thumbnails-track {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.thumb-btn {
    width: 88px;
    height: 88px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #fff;
    cursor: pointer;
    overflow: hidden;
    padding: 4px;
    position: relative;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.thumb-btn img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: calc(var(--radius-md) - 4px);
    transition: transform 0.4s ease;
}

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

.thumb-btn.active {
    border-color: var(--color-dark);
    box-shadow: 0 0 0 2px var(--color-gold);
}

/* 3D Master Thumbnail Button */
.thumb-3d-box {
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, #1f1f23, #111113);
    color: #fff;
    border-radius: calc(var(--radius-md) - 4px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: var(--transition);
}

.thumb-3d-box i {
    font-size: 24px;
    color: var(--color-gold);
    animation: gentle-spin 8s linear infinite;
}

.thumb-3d-box span {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.5px;
}

@keyframes gentle-spin {
    0% { transform: rotateY(0deg); }
    100% { transform: rotateY(360deg); }
}

/* ---------------- Main Viewport ---------------- */
.main-viewport-container {
    width: 100%;
    height: 640px;
    background: radial-gradient(circle at 50% 40%, #ffffff 0%, #f6f3ee 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

/* 3D Viewport */
.viewport-3d,
.viewport-photo {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.viewport-3d.active,
.viewport-photo.active {
    opacity: 1;
    pointer-events: auto;
}

model-viewer {
    width: 100%;
    height: 100%;
    outline: none;
    --poster-color: transparent;
}

/* Static Photo Viewport */
.viewport-photo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 30px;
}

/* Floating Controls Bar (Herman Miller aesthetic) */
.viewer-controls-bar {
    position: absolute;
    bottom: 24px;
    left: 24px;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 40px;
    padding: 6px 12px;
    display: flex;
    gap: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    z-index: 10;
}

.ctrl-btn {
    background: none;
    border: none;
    padding: 8px 12px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 13px;
    color: var(--color-dark);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-body);
    font-weight: 500;
    transition: var(--transition);
}

.ctrl-btn:hover {
    background: #f0ece3;
    color: var(--color-gold);
}

.ctrl-btn.active {
    background: var(--color-dark);
    color: #fff;
}

/* AR Launch Button */
.ar-trigger-wrapper {
    position: absolute;
    bottom: 24px;
    right: 24px;
    z-index: 10;
}

.ar-launch-btn {
    background: linear-gradient(135deg, #1c1c1f, #2a2a2f);
    color: #fff;
    border: 1px solid rgba(197, 155, 39, 0.5);
    padding: 12px 22px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.ar-launch-btn i {
    color: var(--color-gold);
    font-size: 15px;
}

.ar-launch-btn:hover {
    transform: translateY(-2px);
    border-color: var(--color-gold);
    box-shadow: 0 14px 30px rgba(197, 155, 39, 0.3);
}

.interaction-hint {
    position: absolute;
    top: 20px;
    left: 24px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-muted);
    padding: 6px 14px;
    border-radius: 20px;
    letter-spacing: 0.5px;
    pointer-events: none;
}

/* 3D Hotspot Annotations */
.hotspot {
    background: var(--color-dark);
    border: 2px solid var(--color-gold);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    position: relative;
    cursor: pointer;
    box-shadow: 0 0 15px rgba(197, 155, 39, 0.8);
    transition: var(--transition);
}

.hotspot.hidden {
    display: none;
}

.hotspot-annotation {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(20, 20, 22, 0.92);
    backdrop-filter: blur(8px);
    color: #ffffff;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid rgba(197, 155, 39, 0.3);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    pointer-events: none;
}

/* ---------------- Right Product Info Column ---------------- */
.product-info-column {
    padding-left: 10px;
}

.brand-tag {
    font-size: 11px;
    letter-spacing: 3px;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 8px;
}

.product-title {
    font-family: var(--font-heading);
    font-size: 38px;
    font-weight: 600;
    color: var(--color-dark);
    line-height: 1.15;
    margin-bottom: 14px;
}

.product-rating-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    font-size: 13px;
}

.stars {
    color: #e6a218;
    display: flex;
    gap: 2px;
}

.rating-text {
    color: var(--color-text-muted);
}

.stock-pill {
    background: #eef7ee;
    color: #277c27;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.price-container {
    display: flex;
    align-items: baseline;
    gap: 14px;
    margin-bottom: 20px;
}

.current-price {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-dark);
}

.orig-price {
    font-size: 18px;
    color: #999;
    text-decoration: line-through;
}

.save-badge {
    background: #fcf1e4;
    color: #c56515;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 4px;
}

.product-lead {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 26px;
}

.divider {
    border: none;
    height: 1px;
    background: var(--color-border);
    margin-bottom: 26px;
}

/* ---------------- 3D Configurator UI ---------------- */
.config-section {
    margin-bottom: 28px;
}

.config-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.config-label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-dark);
}

.selected-val {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-gold);
}

/* Leather Swatches */
.swatches-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.swatch-item {
    background: #fff;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
}

.swatch-item:hover {
    border-color: var(--color-gold);
    transform: translateY(-2px);
}

.swatch-item.active {
    border-color: var(--color-dark);
    box-shadow: 0 0 0 2px var(--color-gold);
    background: #faf8f5;
}

.swatch-preview {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.swatch-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-dark);
}

/* Leg Finish Options */
.leg-options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.leg-pill-btn {
    background: #fff;
    border: 1.5px solid var(--color-border);
    border-radius: 30px;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-dark);
    transition: var(--transition);
}

.leg-pill-btn .dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: inline-block;
}

.leg-pill-btn:hover {
    border-color: var(--color-gold);
}

.leg-pill-btn.active {
    border-color: var(--color-dark);
    box-shadow: 0 0 0 2px var(--color-gold);
    background: #faf8f5;
}

/* Purchase Actions */
.purchase-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
}

.qty-selector {
    display: flex;
    align-items: center;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #fff;
    overflow: hidden;
}

.qty-btn {
    background: none;
    border: none;
    width: 38px;
    height: 48px;
    font-size: 16px;
    cursor: pointer;
    font-weight: 600;
    color: var(--color-dark);
    transition: var(--transition);
}

.qty-btn:hover {
    background: #f5f2ec;
}

.qty-selector span {
    width: 34px;
    text-align: center;
    font-weight: 600;
}

.btn-primary {
    flex: 1;
    background: var(--color-dark);
    color: #ffffff;
    border: 1px solid var(--color-dark);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    background: #2b2b30;
    border-color: var(--color-gold);
    transform: translateY(-2px);
    box-shadow: var(--shadow-elevated);
}

.btn-secondary {
    width: 48px;
    height: 48px;
    background: #fff;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-dark);
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-secondary:hover {
    border-color: #e54b4b;
    color: #e54b4b;
}

/* Feature Badges */
.feature-badges {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 30px;
}

.f-badge {
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.f-badge i {
    font-size: 20px;
    color: var(--color-gold);
}

.f-badge div {
    display: flex;
    flex-direction: column;
}

.f-badge strong {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--color-dark);
}

.f-badge span {
    font-size: 10px;
    color: var(--color-text-muted);
}

/* Specs Accordion */
.specs-accordion details {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    background: #fff;
    overflow: hidden;
    transition: var(--transition);
}

.specs-accordion summary {
    padding: 14px 18px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-dark);
    background: #faf8f5;
}

.specs-accordion summary i {
    color: var(--color-gold);
}

.accordion-content {
    padding: 16px 18px;
    font-size: 13px;
    color: var(--color-text-muted);
}

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

.specs-table tr {
    border-bottom: 1px solid #f0ede6;
}

.specs-table tr:last-child {
    border-bottom: none;
}

.specs-table td {
    padding: 8px 4px;
}

.specs-table td:first-child {
    font-weight: 600;
    color: var(--color-dark);
    width: 35%;
}

.accordion-content ul {
    margin-left: 20px;
    margin-top: 8px;
}

.accordion-content li {
    margin-bottom: 6px;
}

/* ---------------- Modals ---------------- */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(14, 14, 16, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 36px;
    max-width: 440px;
    width: 90%;
    box-shadow: var(--shadow-elevated);
    position: relative;
    text-align: center;
}

.modal-close-btn {
    position: absolute;
    top: 18px;
    right: 20px;
    background: none;
    border: none;
    font-size: 26px;
    color: #999;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close-btn:hover {
    color: var(--color-dark);
}

.qr-header i {
    font-size: 36px;
    color: var(--color-gold);
    margin-bottom: 12px;
}

.qr-header h3 {
    font-family: var(--font-heading);
    font-size: 26px;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.qr-header p {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.qr-canvas-box {
    background: #faf8f5;
    padding: 20px;
    border-radius: var(--radius-md);
    display: inline-block;
    border: 1px solid var(--color-border);
    margin-bottom: 20px;
}

.qr-canvas-box img {
    width: 180px;
    height: 180px;
    display: block;
}

.qr-features-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-dark);
}

.qr-features-list i {
    color: var(--color-gold);
    margin-right: 6px;
}

/* Code Integration Modal */
.code-modal-card {
    max-width: 780px;
    text-align: left;
}

.code-modal-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.code-modal-header i {
    font-size: 32px;
    color: var(--color-gold);
}

.code-modal-header h3 {
    font-family: var(--font-heading);
    font-size: 26px;
    color: var(--color-dark);
}

.code-modal-header p {
    font-size: 13px;
    color: var(--color-text-muted);
}

.code-tabs {
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 18px;
}

.code-tab-btn {
    background: none;
    border: none;
    padding: 10px 18px;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    color: var(--color-text-muted);
    position: relative;
    transition: var(--transition);
}

.code-tab-btn.active {
    color: var(--color-dark);
}

.code-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-gold);
}

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

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

.tab-desc {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

pre {
    background: #19191d;
    color: #e6e6e6;
    padding: 18px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    font-size: 12px;
    line-height: 1.6;
    font-family: Consolas, Monaco, monospace;
}

.cms-steps p {
    margin-bottom: 12px;
    font-size: 14px;
    line-height: 1.7;
}

/* Toast */
.toast-notice {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--color-dark);
    color: #ffffff;
    padding: 14px 24px;
    border-radius: 30px;
    border: 1px solid var(--color-gold);
    font-weight: 600;
    font-size: 13px;
    box-shadow: var(--shadow-elevated);
    z-index: 1000;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
    pointer-events: none;
}

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

/* ---------------- Responsive Design ---------------- */
@media (max-width: 1024px) {
    .product-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .product-media-column {
        position: static;
        grid-template-columns: 1fr;
    }

    .thumbnails-track {
        flex-direction: row;
        overflow-x: auto;
        order: 2;
        padding-bottom: 10px;
    }

    .main-viewport-container {
        height: 520px;
        order: 1;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .product-page {
        padding: 16px 20px 60px;
    }

    .main-viewport-container {
        height: 420px;
    }

    .viewer-controls-bar .btn-text {
        display: none;
    }

    .swatches-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .leg-options-grid {
        grid-template-columns: 1fr;
    }

    .feature-badges {
        grid-template-columns: 1fr;
    }
}