:root {
    --primary-color: #111111;
    --primary-light: #444444;
    --primary-dark: #000000;
    --secondary-color: #111111;
    --text-main: #1a1a1a;
    --text-muted: #666666;
    --bg-light: #f5f5f5;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
    --radius-md: 8px;
    --radius-lg: 12px;
    --font-family: 'Plus Jakarta Sans', sans-serif;
    --transition: all 0.3s ease;
}

/* USP Strip */
.usp-strip {
    background: var(--secondary-color);
    color: white;
    padding: 14px 0;
    overflow: hidden;
}
.usp-inner {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 10px;
}
.usp-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0.9;
}
.usp-item svg { width: 16px; height: 16px; color: #aaaaaa; }

/* Breadcrumb */
.breadcrumb {
    margin-bottom: 24px;
    font-size: 0.9rem;
    color: var(--text-muted);
}
.breadcrumb ol { list-style: none; display: flex; align-items: center; flex-wrap: wrap; gap: 4px; }
.breadcrumb a { color: var(--primary-color); }
.breadcrumb a:hover { text-decoration: underline; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}
.faq-item[open] { border-color: var(--primary-color); box-shadow: var(--shadow-md); }
.faq-item summary {
    padding: 18px 20px;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary h3 { margin: 0; font-size: 1rem; font-weight: 600; }
.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
    margin-left: 10px;
    transition: transform 0.3s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
    padding: 0 20px 18px;
    color: var(--text-muted);
    line-height: 1.7;
}


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

body {
    font-family: var(--font-family);
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--bg-white);
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-primary { color: var(--primary-color); }
.text-white { color: white; }
.text-center { text-align: center; }
.bg-light { background-color: var(--bg-light); }
.bg-primary { background-color: var(--primary-color); }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-5 { margin-top: 3rem; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

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

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}
.btn-secondary:hover {
    background-color: #000;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}
.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-block {
    width: 100%;
}

/* Header */
.header {
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo img {
    height: 40px;
    width: 40px;
    border-radius: 50%;
    object-fit: cover;
}
.brand {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--primary-color);
}
.brand-sub {
    font-size: 0.65rem;
    color: #999;
    display: block;
    line-height: 1;
    letter-spacing: 0.5px;
}
.nav {
    display: flex;
    align-items: center;
    gap: 26px;
}
.nav a {
    font-size: 0.95rem;
    font-weight: 600;
    color: #4b5563;
    letter-spacing: 0.2px;
    padding: 6px 0;
    position: relative;
    transition: color 0.25s ease;
    display: inline-flex;
    align-items: center;
}
.nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #d4af37 0%, #b45309 100%);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav a:hover {
    color: #0a192f;
}
.nav a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Mobile hamburger */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}
.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition);
}
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.btn-sm { padding: 9px 18px; font-size: 0.9rem; }

@media (max-width: 768px) {
    .nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        border-bottom: 1px solid var(--border-color);
        padding: 16px 20px;
        gap: 0;
        z-index: 99;
        box-shadow: var(--shadow-md);
    }
    .nav.nav-open { display: flex; }
    .nav a { padding: 12px 0; border-bottom: 1px solid #f0f0f0; font-size: 1rem; }
    .nav a::after { display: none; }
    .menu-toggle { display: flex; }
    .header-actions .btn span, .header-actions .btn i { display: none; }
    .header-actions .btn::after { content: 'Zalo'; }
}

/* Sections */
.section {
    padding: 80px 0;
}
.section-header {
    text-align: center;
    margin-bottom: 50px;
}
.section-header h2 {
    font-size: 2.25rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}
.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Hero */
.hero {
    padding: 100px 0;
    background: #ffffff;
    border-bottom: 1px solid #ebebeb;
    overflow: hidden;
}
.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin: 20px 0;
}
.hero-content p {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 30px;
}
.badge {
    display: inline-block;
    padding: 5px 12px;
    background: #111111;
    color: white;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.hero-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}
.hero-features {
    display: flex;
    gap: 20px;
    font-weight: 500;
    color: var(--text-muted);
}
.hero-features .feature {
    display: flex;
    align-items: center;
    gap: 5px;
}
.hero-features .feature i {
    color: var(--primary-color);
}
.hero-marquee-wrapper {
    position: relative;
    width: 100%;
    height: 480px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: #0d0d0e;
}
.hero-marquee-track {
    display: flex;
    width: max-content;
    height: 100%;
    animation: heroMarqueeScroll 20s linear infinite;
}
.hero-marquee-wrapper:hover .hero-marquee-track {
    animation-play-state: paused;
}
.hero-marquee-item {
    width: 380px;
    height: 100%;
    flex-shrink: 0;
    padding: 6px;
    box-sizing: border-box;
}
.hero-marquee-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 18px;
    display: block;
}
@keyframes heroMarqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@media (max-width: 992px) {
    .hero-inner { grid-template-columns: 1fr; text-align: center; }
    .hero-actions, .hero-features { justify-content: center; flex-wrap: wrap; }
    .hero-marquee-wrapper { height: 360px; max-width: 500px; margin: 0 auto; }
    .hero-marquee-item { width: 300px; }
}

/* ===== LANYARD PHOTO GRID ===== */
.lanyard-photo-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}
.lanyard-photo-item {
    display: block;
    overflow: hidden;
    border-radius: var(--radius-md);
    aspect-ratio: 1 / 1;
    background: #f0f0f0;
}
.lanyard-photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.lanyard-photo-item:hover img {
    transform: scale(1.08);
}

@media (max-width: 992px) {
    .lanyard-photo-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 640px) {
    .lanyard-photo-grid { grid-template-columns: repeat(3, 1fr); gap: 5px; }
}

/* Products */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

/* Accessories grid: căn giữa khi ít sản phẩm */
.accessories-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}
.accessories-grid .product-card {
    flex: 0 0 300px;
    max-width: 340px;
    width: 100%;
}
@media (max-width: 720px) {
    .accessories-grid .product-card {
        flex: 0 0 100%;
        max-width: 480px;
    }
}

/* ===== ACCESSORIES 2-COLUMN ROW ===== */
.acc-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}
.acc-col {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.acc-col-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
    padding-bottom: 12px;
    border-bottom: 2px solid #111;
}

/* ===== ACCESSORIES (SIDE-BY-SIDE 2 COLUMNS, EACH WITH 2x3 PHOTO GRID) ===== */
.acc-grid-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    align-items: stretch;
    margin-top: 32px;
}

.acc-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.acc-card:hover {
    box-shadow: var(--shadow-md);
    border-color: #111111;
}

.acc-card-header {
    margin-bottom: 20px;
    text-align: center;
}

.acc-card-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.acc-card-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 3.15em;
}

.acc-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.acc-grid-item {
    position: relative;
    display: block;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: var(--radius-md);
    background: #f4f4f4;
}

.acc-grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.acc-grid-item:hover img {
    transform: scale(1.08);
}

.acc-grid-overlay {
    position: absolute;
    inset: 0;
    background: rgba(17, 17, 17, 0.4);
    backdrop-filter: blur(2px);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.acc-grid-item:hover .acc-grid-overlay {
    opacity: 1;
}

.acc-grid-overlay i {
    width: 22px;
    height: 22px;
    transform: scale(0.7);
    transition: transform 0.3s ease;
}

.acc-grid-item:hover .acc-grid-overlay i {
    transform: scale(1);
}

.acc-card-footer {
    display: flex;
    gap: 12px;
    margin-top: auto;
}

.acc-card-footer .btn {
    flex: 1;
    justify-content: center;
    padding: 11px 16px;
    font-size: 0.95rem;
    text-align: center;
}

@media (max-width: 992px) {
    .acc-grid-container {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 576px) {
    .acc-card {
        padding: 18px;
    }
    .acc-card-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }
    .acc-card-footer {
        flex-direction: column;
    }
}
.product-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: #111111;
}
.product-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    display: block;
}
.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.product-card:hover .product-image img {
    transform: scale(1.1);
}
.accessory-img {
    height: 200px;
}
.no-image {
    width: 100%;
    height: 100%;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ccc;
}
.no-image svg { width: 50px; height: 50px; }
.product-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.product-info h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}
.product-meta {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 15px;
}
.product-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}
.product-meta span i { width: 16px; height: 16px; }
.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    margin-top: auto;
}

/* Product Detail */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 20px;
}
.back-link:hover { color: var(--primary-color); }

.product-detail {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 44px;
    background: var(--bg-white);
    padding: 36px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    align-items: start;
}

.product-detail > meta,
.product-detail > [itemprop="brand"] {
    display: none !important;
}

/* ===== IMAGE GALLERY ===== */
.product-gallery {
    min-width: 0;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.product-detail-info {
    min-width: 0;
    max-width: 100%;
}

.gallery-main {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #f8f8f8;
    aspect-ratio: 1 / 1;
}

.gallery-main-inner { position: relative; width: 100%; height: 100%; }

.gallery-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}
.gallery-slide.active {
    opacity: 1;
    pointer-events: auto;
}

.gallery-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Nav Arrows */
.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    background: rgba(255,255,255,0.92);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    z-index: 2;
    color: var(--primary-color);
}
.gallery-nav:hover { background: var(--primary-color); color: white; transform: translateY(-50%) scale(1.05); }
.gallery-prev { left: 10px; }
.gallery-next { right: 10px; }
.gallery-nav svg { width: 20px; height: 20px; }

/* Counter */
.gallery-counter {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(0,0,0,0.55);
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    z-index: 2;
}

/* Thumbnails */
.gallery-thumbs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding-bottom: 6px;
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 transparent;
}
.gallery-thumbs::-webkit-scrollbar { height: 5px; }
.gallery-thumbs::-webkit-scrollbar-track { background: transparent; }
.gallery-thumbs::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }

.thumb-btn {
    flex: 0 0 68px;
    width: 68px;
    height: 68px;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    padding: 0;
    background: #f8f8f8;
    transition: var(--transition);
    opacity: 0.65;
}
.thumb-btn:hover { opacity: 0.95; border-color: #94a3b8; }
.thumb-btn.active { border-color: #0284c7; opacity: 1; box-shadow: 0 0 0 2px rgba(2, 132, 199, 0.3); }
.thumb-btn img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Old single image — kept for backward compat */
.no-image-large {
    width: 100%;
    aspect-ratio: 1;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ccc;
    border-radius: var(--radius-md);
}
.no-image-large svg { width: 100px; height: 100px; }

.product-detail-info h1 {
    font-size: 1.85rem;
    font-weight: 700;
    line-height: 1.3;
    margin: 10px 0 16px;
    color: var(--text-main);
}
.price-large {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 20px;
}
.product-specs {
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.spec-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}
.spec-item i { color: var(--primary-color); }
.product-desc {
    margin-bottom: 30px;
    color: var(--text-muted);
    font-size: 1.1rem;
}
.product-desc h3 {
    color: var(--text-main);
    margin-bottom: 10px;
}
.cta-box {
    background: var(--bg-light);
    padding: 20px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
}
.cta-box p { font-weight: 600; margin-bottom: 15px; }

@media (max-width: 768px) {
    .product-detail { grid-template-columns: 1fr; padding: 20px; }
}

/* Process */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}
.process-step {
    padding: 30px 20px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.2);
    transition: var(--transition);
}
.process-step:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-10px);
}
.step-icon {
    width: 70px;
    height: 70px;
    background: white;
    color: #111111;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}
.step-icon svg { width: 32px; height: 32px; }
.process-step h4 { font-size: 1.25rem; margin-bottom: 10px; }
.process-step p { opacity: 0.8; }

@media (max-width: 992px) {
    .process-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
    .process-grid { grid-template-columns: 1fr; }
}

/* Footer */
.footer {
    background: var(--secondary-color);
    color: white;
    padding: 60px 0 20px;
}
.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 15px;
}
.footer-brand p { opacity: 0.7; margin-bottom: 10px; }
.footer-links h4 { margin-bottom: 20px; font-size: 1.2rem; }
.footer-links a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 10px;
    transition: var(--transition);
}
.footer-links a:hover { color: white; padding-left: 5px; }
.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .footer-inner { grid-template-columns: 1fr; }
}

/* ===== TESTIMONIALS ===== */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.testimonial-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
}
.testimonial-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: #111;
}
.testimonial-stars {
    color: #f5a623;
    font-size: 1.1rem;
    letter-spacing: 2px;
    margin-bottom: 12px;
}
.testimonial-text {
    color: var(--text-muted);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 16px;
}
.testimonial-author strong {
    display: block;
    color: var(--text-main);
    font-weight: 700;
}
.testimonial-author span {
    font-size: 0.85rem;
    color: var(--text-muted);
}
@media (max-width: 992px) {
    .testimonial-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 576px) {
    .testimonial-grid { grid-template-columns: 1fr; }
}

/* Process step h3 fix */
.process-step h3 { font-size: 1.15rem; margin-bottom: 10px; }

/* ===== LUXURY BRAND TOKENS & DEMO 2D MODAL ===== */
:root {
    --brand-navy: #0a192f;
    --brand-navy-light: #1e293b;
    --brand-gold: #d4af37;
    --brand-gold-hover: #b8972e;
    --brand-gold-bg: #fffdf5;
}

/* ===== CARD PERSPECTIVE & SHIMMER EFFECTS ===== */

/* ===== 3D CARD PERSPECTIVE TILT ON HOVER ===== */
.lanyard-photo-item {
    perspective: 1000px;
    transform-style: preserve-3d;
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.4s ease;
    border-radius: 12px;
    overflow: hidden;
}

.lanyard-photo-item:hover {
    transform: translateY(-6px) rotateX(4deg) rotateY(-4deg) scale(1.02);
    box-shadow: 0 16px 32px rgba(10, 25, 47, 0.16);
}

.poster-card {
    perspective: 1000px;
    transform-style: preserve-3d;
    transition: transform 0.45s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.45s ease;
}

.poster-card.active:hover {
    transform: translateY(-4px) rotateX(2deg) rotateY(-2deg);
    box-shadow: 0 20px 40px rgba(10, 25, 47, 0.2);
}

/* Shimmer Gold Effect on Featured Elements */
.badge-gold-shimmer {
    background: linear-gradient(90deg, #d4af37 0%, #fef3c7 50%, #d4af37 100%);
    background-size: 200% auto;
    animation: shimmerGold 3s linear infinite;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

@keyframes shimmerGold {
    to { background-position: 200% center; }
}

/* ===== PRICE CALCULATOR & QUOTATION STYLING ===== */
.price-calculator-section {
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 80px 0;
    position: relative;
}

.calc-wrapper {
    margin-top: 30px;
}

.calc-form {
    display: grid;
    grid-template-columns: 1.45fr 1fr;
    gap: 32px;
    align-items: start;
}

.calc-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 10px 30px rgba(10, 25, 47, 0.06);
    border: 1px solid #e2e8f0;
}

.calc-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid #f1f5f9;
}

.calc-card-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--brand-navy);
}

.calc-step-badge {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-navy) 0%, #1e3a8a 100%);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: 0 4px 10px rgba(10, 25, 47, 0.2);
}

.calc-hint {
    font-size: 0.82rem;
    color: #64748b;
    font-weight: 400;
    margin-left: 6px;
}

.calc-qty-control {
    display: flex;
    align-items: center;
    max-width: 220px;
    border: 2px solid #cbd5e1;
    border-radius: 10px;
    overflow: hidden;
    background: #ffffff;
    transition: border-color 0.2s;
}

.calc-qty-control:focus-within {
    border-color: var(--secondary-color);
}

.btn-qty-step {
    width: 48px;
    height: 48px;
    background: #f8fafc;
    border: none;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--brand-navy);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.15s, color 0.15s;
    user-select: none;
}

.btn-qty-step:hover {
    background: #e2e8f0;
    color: var(--secondary-color);
}

.calc-input-qty {
    flex: 1;
    height: 48px;
    border: none;
    text-align: center;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--brand-navy);
    outline: none;
    background: transparent;
    -moz-appearance: textfield;
}

.calc-input-qty::-webkit-outer-spin-button,
.calc-input-qty::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.calc-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.calc-pill {
    padding: 6px 14px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    background: #f8fafc;
    color: #475569;
    cursor: pointer;
    transition: all 0.2s ease;
}

.calc-pill:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
    background: #ffffff;
}

.calc-pill.active {
    background: var(--brand-navy);
    color: #ffffff;
    border-color: var(--brand-navy);
    box-shadow: 0 3px 8px rgba(10, 25, 47, 0.15);
}

/* Radio Width Grid */
.calc-radio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.calc-radio-card {
    position: relative;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 16px 12px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s ease;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.calc-radio-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.calc-radio-card:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.calc-radio-card.active {
    border-color: var(--secondary-color);
    background: #fffdf5;
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.15);
}

.radio-recommend-tag {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary-color);
    color: #ffffff;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
    white-space: nowrap;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.radio-title {
    display: block;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--brand-navy);
    margin-bottom: 4px;
}

.radio-sub {
    display: block;
    font-size: 0.78rem;
    color: #64748b;
}

/* Checkboxes Accessories Grid */
.calc-check-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.calc-check-card {
    position: relative;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 14px 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: #ffffff;
    display: flex;
    align-items: flex-start;
}

.calc-check-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.calc-check-card:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.calc-check-card.active {
    border-color: var(--secondary-color);
    background: #fffdf5;
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.15);
}

.check-content {
    flex: 1;
}

.check-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--brand-navy);
    font-size: 0.95rem;
    margin-bottom: 3px;
}

.check-title i, .check-title svg {
    width: 18px;
    height: 18px;
    color: var(--secondary-color);
    flex-shrink: 0;
}

.check-sub {
    display: block;
    font-size: 0.76rem;
    color: #64748b;
    line-height: 1.35;
}

/* Form inputs */
.calc-input, .calc-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid #cbd5e1;
    border-radius: 10px;
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.calc-input:focus, .calc-textarea:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15);
}

/* Sticky Summary Card */
.calc-summary-wrapper {
    position: sticky;
    top: 90px;
}

.calc-summary-card {
    background: linear-gradient(145deg, #0a192f 0%, #172a45 100%);
    border-radius: 16px;
    color: #ffffff;
    padding: 28px;
    box-shadow: 0 16px 36px rgba(10, 25, 47, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.summary-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    padding-bottom: 16px;
    margin-bottom: 20px;
}

.summary-header h3 {
    color: #ffffff;
    font-size: 1.35rem;
    font-weight: 700;
    margin: 0 0 6px 0;
}

.summary-badge-live {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    color: #94a3b8;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px #10b981;
    animation: pulseDot 1.5s infinite;
}

@keyframes pulseDot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.6; }
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-size: 0.92rem;
}

.summary-label {
    color: #cbd5e1;
}

.summary-val {
    font-weight: 600;
    color: #ffffff;
}

.summary-unit-price {
    color: #fef08a;
    font-size: 1.05rem;
}

.summary-divider {
    border: none;
    border-top: 1px dashed rgba(255, 255, 255, 0.16);
    margin: 16px 0;
}

.summary-total-box {
    background: rgba(255, 255, 255, 0.05);
    border: 1.5px solid rgba(212, 175, 55, 0.4);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    margin-bottom: 20px;
}

.total-title {
    display: block;
    font-size: 0.78rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #e2e8f0;
    margin-bottom: 6px;
}

.total-amount {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: #fbbf24;
    line-height: 1.1;
    text-shadow: 0 2px 10px rgba(251, 191, 36, 0.2);
}

.total-vat-hint {
    display: block;
    font-size: 0.72rem;
    color: #94a3b8;
    margin-top: 4px;
}

.summary-perks {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}

.summary-perks li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: #e2e8f0;
    margin-bottom: 8px;
    line-height: 1.4;
}

.summary-perks li i, .summary-perks li svg {
    width: 15px;
    height: 15px;
    color: #34d399;
    flex-shrink: 0;
}

.calc-error-alert {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid #ef4444;
    color: #fca5a5;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 14px;
}

.btn-gold {
    background: linear-gradient(135deg, #d4af37 0%, #f59e0b 100%);
    color: #0a192f;
    font-weight: 800;
    letter-spacing: 0.5px;
    border: none;
    padding: 16px 20px;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.3);
    transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(212, 175, 55, 0.4);
    filter: brightness(1.06);
}

.btn-gold:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
}

.summary-security-note {
    text-align: center;
    font-size: 0.74rem;
    color: #94a3b8;
    margin: 14px 0 0 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.summary-security-note i, .summary-security-note svg {
    width: 13px;
    height: 13px;
    color: #d4af37;
}

/* Modal Popup */
.quote-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 25, 47, 0.75);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
    animation: fadeInModal 0.25s ease;
}

@keyframes fadeInModal {
    from { opacity: 0; }
    to { opacity: 1; }
}

.quote-modal-content {
    background: #ffffff;
    border-radius: 20px;
    padding: 36px 30px;
    max-width: 480px;
    width: 100%;
    text-align: center;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
    border: 1px solid #e2e8f0;
    animation: slideUpModal 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

@keyframes slideUpModal {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.quote-modal-icon {
    width: 68px;
    height: 68px;
    margin: 0 auto 16px auto;
    background: #ecfdf5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #10b981;
}

.quote-modal-icon i, .quote-modal-icon svg {
    width: 40px;
    height: 40px;
}

.quote-modal-content h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--brand-navy);
    margin-bottom: 8px;
}

.quote-modal-desc {
    color: #64748b;
    font-size: 0.92rem;
    line-height: 1.5;
    margin-bottom: 20px;
}

.badge-quote-id {
    background: #e0f2fe;
    color: #0369a1;
    padding: 2px 8px;
    border-radius: 6px;
    font-family: monospace;
    font-weight: 700;
}

.quote-modal-summary {
    background: #f8fafc;
    border-radius: 12px;
    padding: 16px;
    text-align: left;
    margin-bottom: 24px;
    border: 1px solid #e2e8f0;
}

.modal-sum-item {
    font-size: 0.88rem;
    color: #334155;
    margin-bottom: 6px;
}

.modal-sum-item.highlight {
    font-size: 1.05rem;
    color: var(--brand-navy);
    padding-top: 6px;
    border-top: 1px dashed #cbd5e1;
    margin-top: 8px;
}

.modal-sum-item strong {
    color: #0f172a;
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .calc-form {
        grid-template-columns: 1fr;
    }
    .calc-summary-wrapper {
        position: static;
    }
}

@media (max-width: 576px) {
    .calc-card {
        padding: 20px 16px;
    }
    .calc-radio-grid {
        grid-template-columns: 1fr;
    }
    .calc-check-grid {
        grid-template-columns: 1fr;
    }
    .form-grid-2 {
        grid-template-columns: 1fr;
    }
    .total-amount {
        font-size: 1.7rem;
    }
}