/* ===== HEADER STYLES ===== */
.modern-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
}

.modern-header.scrolled {
    background: rgba(0, 0, 0, 0.98);
    box-shadow: var(--shadow-lg);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

@media (min-width: 640px) {
    .header-container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .header-container {
        padding: 0 2rem;
    }
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--surface-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 4px;
}

.logo-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-sm);
    filter: brightness(1.1) contrast(1.1);
}

.logo-text {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-light);
    letter-spacing: -0.025em;
}

.header-nav {
    display: none;
    gap: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
}

@media (min-width: 1024px) {
    .header-nav {
        display: flex;
    }
}

.header-nav a {
    color: var(--text-light);
    transition: var(--transition-base);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.cart-link {
    position: relative;
    color: var(--text-gray-300);
    transition: var(--transition-base);
}

.cart-link:hover {
    color: var(--text-light);
}

.cart-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--secondary);
    color: var(--text-light);
    font-size: 0.625rem;
    font-weight: 700;
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-full);
    display: none;
}

.cart-badge.active {
    display: block;
}

.login-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-gray-300);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    padding: 0.5rem 1rem;
    transition: var(--transition-base);
    white-space: nowrap;
}

.login-btn:hover {
    color: var(--text-light);
    border-color: var(--primary);
}

.login-btn span:not(.material-icons-outlined) {
    display: inline;
}

/* Login / Register: hai link trong cùng một nút */
.login-register-wrap {
    text-decoration: none;
}

.login-register-wrap .login-register-link {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-base);
}

.login-register-wrap .login-register-link:hover {
    color: var(--primary);
}

.login-register-sep {
    color: var(--text-gray-400);
    margin: 0 0.125rem;
    pointer-events: none;
}

/* User menu when logged in - white color */
.user-menu-toggle {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light) !important;
    border-color: rgba(255, 255, 255, 0.3);
}

.user-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-light) !important;
    border-color: var(--primary) !important;
}

.mobile-menu-btn {
    display: block;
    color: var(--text-gray-300);
    padding: 0.5rem;
    transition: var(--transition-base);
}

@media (min-width: 1024px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-menu-btn:hover {
    color: var(--text-light);
}

/* ===== FOOTER STYLES ===== */
.modern-footer {
    background: var(--text-dark);
    color: var(--text-gray-400);
    padding: 4rem 0 2rem;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .footer-container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .footer-container {
        padding: 0 2rem;
    }
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-logo-icon {
    width: 32px;
    height: 32px;
    background: var(--surface-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 3px;
}

.footer-logo-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-sm);
    filter: brightness(1.1) contrast(1.1);
}

.footer-logo-text {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-light);
}

.footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.footer-link {
    display: block;
    color: var(--text-gray-400);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
    transition: var(--transition-base);
}

.footer-link:hover {
    color: var(--primary);
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-icon {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-gray-400);
    transition: var(--transition-base);
    text-decoration: none;
}

.social-icon svg {
    width: 16px;
    height: 16px;
    transition: var(--transition-base);
}

.social-icon:hover {
    background: var(--primary);
    color: var(--text-dark);
    transform: translateY(-2px);
}

.social-icon:hover svg {
    transform: scale(1.1);
}

.stakeholder-logos {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.stakeholder-logo {
    height: 24px;
    width: auto;
    max-width: 56px;
    object-fit: contain;
    opacity: 0.8;
    transition: var(--transition-base);
}

.stakeholder-logo:hover {
    opacity: 1;
    transform: scale(1.05);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-bottom-links {
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
}

.payment-badges {
    display: flex;
    gap: 0.5rem;
}

.payment-badge {
    width: 40px;
    height: 24px;
    background: var(--surface-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    font-weight: 700;
    color: var(--text-dark);
}

/* ===== HERO SECTION ===== */
.hero-section {
    padding-top: 8rem;
    padding-bottom: 5rem;
    background: var(--hero-gradient);
    color: var(--text-light);
    position: relative;
    overflow: hidden;
}

@media (min-width: 1024px) {
    .hero-section {
        padding-top: 12rem;
        padding-bottom: 8rem;
    }
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
    position: relative;
    z-index: 10;
}

@media (min-width: 640px) {
    .hero-container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .hero-container {
        padding: 0 2rem;
    }
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr 1fr;
    }
}

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

@media (min-width: 1024px) {
    .hero-text-content {
        text-align: left;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-gray-300);
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 3.75rem;
    }
}

.hero-title .highlight {
    color: var(--primary);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-gray-400);
    max-width: 36rem;
    margin-bottom: 2rem;
    line-height: 1.75;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

@media (min-width: 640px) {
    .hero-actions {
        flex-direction: row;
    }
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    background: var(--primary);
    color: var(--text-dark);
    transition: var(--transition-base);
    box-shadow: 0 4px 14px rgba(255, 215, 0, 0.2);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.3);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition-base);
    cursor: pointer;
}

.btn-secondary:hover {
    background: var(--text-light);
    color: var(--text-dark);
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-gray-500);
    margin-top: 2rem;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-image-card {
    position: relative;
    background: var(--surface-light);
    padding: 1.5rem;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    transform: rotate(3deg);
    transition: var(--transition-slow);
    max-width: 24rem;
}

.hero-image-card:hover {
    transform: rotate(0deg);
}

.hero-badge-new {
    position: absolute;
    top: -1rem;
    right: -1rem;
    width: 64px;
    height: 64px;
    background: var(--secondary);
    color: var(--text-light);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    transform: rotate(12deg);
    z-index: 20;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    object-fit: cover;
}

/* ===== TECH SHOWCASE ===== */
.tech-showcase {
    padding: 6rem 0;
    background: var(--background-light);
}

.tech-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .tech-container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .tech-container {
        padding: 0 2rem;
    }
}

.section-header {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto 4rem;
}

.section-title {
    font-size: 2.025rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.7rem;
    }
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-gray-600);
}

@media (min-width: 768px) {
    .section-subtitle {
        font-size: 1.125rem;
    }
}

.tech-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.tech-card {
    background: var(--surface-light);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    border-top: 4px solid var(--secondary);
    transition: var(--transition-base);
    position: relative;
}

.tech-card:hover {
    box-shadow: var(--shadow-2xl);
}

.tech-icon {
    width: 64px;
    height: 64px;
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--secondary);
    transition: var(--transition-base);
}

.tech-card:hover .tech-icon {
    background: var(--secondary);
    color: var(--text-light);
}

.tech-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.tech-card-description {
    text-align: center;
    color: var(--text-gray-600);
    font-size: 0.875rem;
    line-height: 1.75;
    margin-bottom: 2rem;
}

.tech-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.tech-feature {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-gray-700);
}

.tech-feature-icon {
    color: #10B981;
    font-size: 1.125rem;
    flex-shrink: 0;
}

/* ===== PRODUCT GRID ===== */
.product-showcase {
    padding: 5rem 0;
    background: var(--surface-light);
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

@media (min-width: 640px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.product-card {
    background: var(--background-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    position: relative;
}

.product-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.product-image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 4/5;
    background: var(--text-gray-300);
    overflow: hidden;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.product-card:hover .product-image {
    transform: scale(1.1);
}

.product-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    opacity: 0;
}

.product-card:hover .product-overlay {
    background: rgba(0, 0, 0, 0.1);
    opacity: 1;
}

.quick-view-btn {
    position: absolute;
    bottom: 1rem;
    left: 0;
    right: 0;
    padding: 0 1rem;
    opacity: 0;
    transform: translateY(8px);
    transition: var(--transition-base);
}

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

.quick-view-btn button {
    width: 100%;
    padding: 0.5rem;
    background: var(--surface-light);
    color: var(--text-dark);
    font-weight: 700;
    font-size: 0.875rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
}

.quick-view-btn button:hover {
    background: var(--primary);
    color: var(--text-dark);
}

.product-content {
    padding: 1rem;
}

.product-category {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.product-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.product-description {
    font-size: 0.875rem;
    color: var(--text-gray-500);
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-price {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-dark);
}

.add-to-cart-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--primary);
    color: var(--text-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
}

.add-to-cart-btn:hover {
    background: var(--primary-hover);
    transform: scale(1.1);
}

.product-sale-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    background: var(--secondary);
    color: var(--text-light);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

/* ===== BANNER CAROUSEL ===== */
.banner-showcase {
    padding: 5rem 0;
    background: var(--background-light);
}

.banner-head {
    max-width: 1280px;
    margin: 0 auto 2.5rem;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 2rem;
}

@media (min-width: 640px) {
    .banner-head {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .banner-head {
        padding: 0 2rem;
    }
}

.banner-controls {
    display: flex;
    gap: 0.5rem;
}

.banner-nav-btn {
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    border-radius: var(--radius-full);
    background: rgba(0, 0, 0, 0.12);
    color: var(--text-dark);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
}

.banner-nav-btn:hover {
    background: var(--text-dark);
    color: var(--text-light);
}

.banner-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.banner-slider {
    max-width: 1280px;
    margin: 0 auto;
    overflow: hidden;
}

.banner-track {
    display: flex;
    gap: 1.25rem;
    align-items: center;
    justify-content: center;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    padding: 1rem 1rem 1rem;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.banner-track::-webkit-scrollbar {
    display: none;
}

.banner-card {
    position: relative;
    flex: 0 0 14rem;
    height: 26rem;
    border-radius: 1rem;
    overflow: hidden;
    cursor: pointer;
    transition: flex-basis 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    scroll-snap-align: start;
    align-self: center;
}

.banner-card.active {
    flex-basis: 40rem;
    transform: translateY(0);
    box-shadow: 0 18px 55px rgba(0, 0, 0, 0.45);
}

.banner-card-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.75) saturate(75%);
    transition: filter 0.3s, transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.banner-card:hover .banner-card-bg {
    filter: brightness(0.9) saturate(100%);
    transform: scale(1.06);
}

.banner-card-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    gap: 0.7rem;
    padding: 0;
    background: linear-gradient(transparent 40%, rgba(0, 0, 0, 0.85) 100%);
    z-index: 2;
}

.banner-card.active .banner-card-content {
    background: linear-gradient(transparent 30%, rgba(0, 0, 0, 0.7) 100%);
}

.banner-card.active .banner-card-content > div {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1.5rem 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
}

.banner-card-title {
    color: var(--text-light);
    font-weight: 700;
    font-size: 1.35rem;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    margin: 0;
}

.banner-card-desc,
.banner-card-btn {
    display: none;
}

.banner-card.active .banner-card-content {
    flex-direction: row;
    align-items: flex-end;
    justify-content: flex-start;
    padding: 1.2rem 2rem;
    gap: 1.1rem;
}

.banner-card.active .banner-card-title {
    writing-mode: horizontal-tb;
    transform: none;
    font-size: 2.4rem;
}

.banner-card.active .banner-card-desc,
.banner-card.active .banner-card-btn {
    display: block;
}

.banner-card-desc {
    color: #ddd;
    font-size: 1rem;
    line-height: 1.4;
    max-width: 16rem;
    margin: 0;
}

.banner-card-btn {
    padding: 0.55rem 1.3rem;
    border: none;
    border-radius: var(--radius-full);
    background: var(--text-dark);
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.banner-card-btn:hover {
    background: var(--primary);
    color: var(--text-dark);
    transform: scale(1.05);
}

.banner-dots {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    padding: 1.25rem 0;
}

.banner-dot {
    width: 13px;
    height: 13px;
    border-radius: var(--radius-full);
    background: rgba(0, 0, 0, 0.35);
    cursor: pointer;
    transition: var(--transition-base);
}

.banner-dot:hover {
    background: var(--text-dark);
    transform: scale(1.1);
}

.banner-dot.active {
    background: var(--text-dark);
    transform: scale(1.2);
}

@media (max-width: 767px) {
    .banner-showcase {
        --banner-closed: 100%;
        --banner-open: 100%;
        --banner-gap: 0.8rem;
    }

    .banner-head {
        padding: 0 0.9375rem 1.25rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .banner-slider {
        padding: 0 0.9375rem;
    }

    .banner-track {
        flex-direction: column;
        scroll-snap-type: y mandatory;
        gap: 0.8rem;
        padding-bottom: 1.25rem;
    }

    .banner-card {
        height: auto;
        min-height: 100px;
        flex: 0 0 auto;
        width: 100%;
        scroll-snap-align: start;
    }

    .banner-card.active {
        min-height: 350px;
        transform: none;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    }

    .banner-card-content {
        flex-direction: row;
        justify-content: flex-start;
        padding: 1rem;
        align-items: center;
        gap: 1rem;
    }

    .banner-card-title {
        writing-mode: horizontal-tb;
        transform: none;
        font-size: 1.2rem;
        margin-right: auto;
    }

    .banner-card-desc,
    .banner-card-btn {
        display: none;
    }

    .banner-card.active .banner-card-content {
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 1.5rem;
    }

    .banner-card.active .banner-card-title {
        font-size: 1.8rem;
        margin-bottom: 1rem;
        margin-top: 0;
    }

    .banner-card.active .banner-card-desc {
        font-size: 0.95rem;
        max-width: 100%;
        margin-bottom: 1rem;
    }

    .banner-card.active .banner-card-btn {
        align-self: center;
        width: 100%;
        text-align: center;
        padding: 0.7rem;
    }

    .banner-dots {
        display: none;
    }

    .banner-controls {
        width: 100%;
        justify-content: space-between;
        padding: 0 0.9375rem 1.25rem;
    }

    .banner-nav-btn {
        width: 2rem;
        height: 2rem;
        font-size: 1.2rem;
    }
}

/* ===== MACHINERY SECTION ===== */
.machinery-section {
    padding: 6rem 0;
    background: var(--background-dark);
    color: var(--text-light);
}

.machinery-section .section-title {
    color: var(--text-light);
}

.machinery-section .section-subtitle {
    color: rgba(255, 255, 255, 0.75);
}

.machinery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .machinery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.machinery-card {
    background: #262626;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
}

.machinery-card:hover {
    border-color: var(--primary);
}

.machinery-image-wrapper {
    height: 12rem;
    background: var(--surface-light);
    position: relative;
    overflow: hidden;
}

.machinery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: var(--transition-slow);
}

.machinery-card:hover .machinery-image {
    transform: scale(1.05);
}

.machinery-content {
    padding: 1.5rem;
    text-align: center;
}

.machinery-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.machinery-description {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.75;
}

/* ===== VIDEO SECTION ===== */
.video-section {
    padding: 6rem 0;
    background: var(--background-light);
}

.video-container {
    max-width: 64rem;
    margin: 0 auto;
    padding: 0 1rem;
    text-align: center;
}

@media (min-width: 640px) {
    .video-container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .video-container {
        padding: 0 2rem;
    }
}

.video-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    background: var(--text-dark);
    cursor: pointer;
}

/* ===== QUICK VIEW MODAL ===== */
.quick-view-modal {
    display: none;
    position: fixed;
    inset: 0;
    /* Must be above fixed header */
    z-index: 1200;
    align-items: flex-start;
    justify-content: center;
    padding: 1rem;
    padding-top: calc(var(--modern-header-height, 80px) + 0.5rem);
}

.quick-view-modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    transition: var(--transition-base);
}

.modal-content {
    position: relative;
    background: var(--surface-light);
    width: 100%;
    max-width: 80rem;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    /* Keep modal fully visible under the fixed header */
    max-height: calc(100vh - (var(--modern-header-height, 80px) + 1.5rem));
}

@media (min-width: 768px) {
    .modal-content {
        flex-direction: row;
        max-height: auto;
    }
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 10;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
    background: #f3f4f6;
    color: var(--text-gray-800);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
    border: none;
    padding: 0;
}

.modal-close:hover {
    background: #e5e7eb;
}

.modal-close .material-icons-outlined {
    font-size: 1.25rem;
    color: var(--text-gray-800);
}

.modal-image-section {
    width: 100%;
    background: #f9fafb;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

@media (min-width: 768px) {
    .modal-image-section {
        width: 50%;
    }
}

.modal-main-image {
    width: 100%;
    /* Responsive height for browser zoom / font scaling */
    height: clamp(220px, 40vh, 380px);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .modal-main-image {
        height: clamp(260px, 52vh, 520px);
    }
}

.modal-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-thumbnails {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    width: 100%;
    padding: 0.5rem 0;
}

.modal-thumbnail {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--primary);
    cursor: pointer;
    transition: var(--transition-base);
}

.modal-thumbnail:not(.active) {
    border-color: rgba(0, 0, 0, 0.1);
}

.modal-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-info-section {
    width: 100%;
    padding: 2rem;
    overflow-y: auto;
}

@media (min-width: 768px) {
    .modal-info-section {
        width: 50%;
        padding: 2.5rem;
    }
}

.modal-badge {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.modal-product-name {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.modal-price-rating {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.modal-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.modal-rating {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: #FBBF24;
    font-size: 0.875rem;
}

.modal-description {
    font-size: 0.875rem;
    color: var(--text-gray-600);
    line-height: 1.75;
    margin-bottom: 1.5rem;
}

.modal-options {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.modal-option-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-dark);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.modal-colors {
    display: flex;
    gap: 0.75rem;
}

.modal-color-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    border: 2px solid rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: var(--transition-base);
}

.modal-color-btn.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary), 0 0 0 4px rgba(255, 215, 0, 0.2);
}

.modal-sizes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.modal-size-btn {
    padding: 0.5rem 1rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    background: transparent;
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition-base);
}

.modal-size-btn:hover {
    border-color: var(--text-dark);
}

.modal-size-btn.active {
    background: var(--text-dark);
    color: var(--text-light);
    border-color: var(--text-dark);
}

.modal-quantity {
    display: inline-flex;
    align-items: center;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-lg);
}

.modal-quantity-btn {
    padding: 0.5rem 0.75rem;
    background: transparent;
    border: none;
    color: var(--text-gray-600);
    cursor: pointer;
    transition: var(--transition-base);
}

.modal-quantity-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-dark);
}

.modal-quantity-input {
    width: 3rem;
    padding: 0.25rem 0;
    background: transparent;
    border: none;
    text-align: center;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-dark);
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.modal-add-to-cart {
    width: 100%;
    padding: 0.875rem;
    background: var(--primary);
    color: var(--text-dark);
    font-weight: 700;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.modal-add-to-cart:hover {
    background: var(--primary-hover);
    transform: scale(1.02);
}

.modal-view-details {
    width: 100%;
    padding: 0.75rem;
    text-align: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-gray-500);
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-base);
}

.modal-view-details:hover {
    color: var(--text-dark);
    border-color: rgba(0, 0, 0, 0.1);
}

/* ===== CHAT WIDGET ===== */
.chat-widget {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 50;
}

.chat-toggle {
    list-style: none;
    cursor: pointer;
    outline: none;
}

.chat-button {
    width: 3.5rem;
    height: 3.5rem;
    background: var(--primary);
    color: var(--text-dark);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(255, 215, 0, 0.4);
    transition: transform 0.3s ease, background 0.3s ease;
    position: relative;
    transform: rotate(0deg);
}

.chat-button .chat-icon {
    display: block;
    transition: opacity 0.3s ease;
}

.chat-button .close-icon {
    position: absolute;
    display: none;
    transition: opacity 0.3s ease;
}

.chat-toggle[open] .chat-button .chat-icon {
    display: none;
}

.chat-toggle[open] .chat-button .close-icon {
    display: block;
}

.chat-toggle[open] .chat-button {
    transform: rotate(90deg);
}

/* Alternative selector for better browser support */
details.chat-toggle[open] .chat-button .chat-icon {
    display: none;
}

details.chat-toggle[open] .chat-button .close-icon {
    display: block;
}

details.chat-toggle[open] .chat-button {
    transform: rotate(90deg);
}

.chat-button:hover {
    background: var(--primary-hover);
}

.chat-panel {
    position: absolute;
    bottom: 4.5rem;
    right: 0;
    width: 350px;
    background: var(--text-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.2s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(1rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-header {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.chat-avatar {
    position: relative;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.chat-avatar-text {
    font-weight: 700;
    font-size: 0.625rem;
    color: var(--text-light);
}

.chat-status {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 10px;
    height: 10px;
    background: #10B981;
    border: 2px solid var(--text-dark);
    border-radius: var(--radius-full);
}

.chat-header-text h4 {
    color: var(--text-light);
    font-weight: 700;
    font-size: 0.875rem;
    margin-bottom: 0.125rem;
}

.chat-header-text p {
    color: var(--text-gray-400);
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0;
}

.chat-messages {
    height: 20rem;
    overflow-y: auto;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.chat-date {
    text-align: center;
    font-size: 0.625rem;
    color: var(--text-gray-600);
    font-weight: 500;
    margin: 0;
}

.chat-message {
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
}

.chat-message.user {
    flex-direction: row-reverse;
}

.chat-message-avatar {
    width: 1.5rem;
    height: 1.5rem;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.625rem;
    color: var(--text-light);
}

.chat-message-bubble {
    padding: 0.625rem 1rem;
    border-radius: var(--radius-2xl);
    font-size: 0.875rem;
    max-width: 85%;
    box-shadow: var(--shadow-sm);
}

.chat-message.bot .chat-message-bubble {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-bottom-left-radius: 0;
}

.chat-message.bot .chat-message-bubble .chat-message-time {
    color: rgba(255, 255, 255, 0.85);
}

.chat-message.user .chat-message-bubble {
    background: var(--primary);
    color: var(--text-dark);
    border-bottom-right-radius: 0;
    font-weight: 500;
}

.chat-typing {
    display: flex;
    gap: 0.25rem;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    border-bottom-left-radius: 0;
}

.chat-typing-dot {
    width: 6px;
    height: 6px;
    background: var(--text-gray-500);
    border-radius: var(--radius-full);
    animation: bounce 1.4s infinite;
}

.chat-typing-dot:nth-child(2) {
    animation-delay: 0.1s;
}

.chat-typing-dot:nth-child(3) {
    animation-delay: 0.2s;
}

@keyframes bounce {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1);
    }
}

.chat-input-wrapper {
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-input-container {
    position: relative;
    display: flex;
    align-items: center;
}

.chat-input {
    width: 100%;
    background: var(--text-dark);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-light);
    font-size: 0.875rem;
    border-radius: var(--radius-full);
    padding: 0.75rem 3rem 0.75rem 1rem;
    outline: none;
    transition: var(--transition-base);
}

.chat-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary);
}

.chat-input::placeholder {
    color: var(--text-gray-500);
}

.chat-send-btn {
    position: absolute;
    right: 0.5rem;
    padding: 0.375rem;
    background: var(--primary);
    color: var(--text-dark);
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-send-btn:hover {
    background: var(--primary-hover);
}

.chat-footer-text {
    text-align: center;
    margin-top: 0.5rem;
    font-size: 0.625rem;
    color: var(--text-gray-600);
}

.chat-footer-text strong {
    font-weight: 700;
    color: var(--text-gray-500);
}

.chat-guest-message {
    padding: 1.5rem 1rem;
    text-align: center;
    background: rgba(0, 0, 0, 0.95);
    color: var(--text-gray-200);
    font-size: 0.875rem;
}

.chat-guest-message p {
    margin: 0 0 1rem 0;
}

.chat-login-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary);
    color: var(--text-dark);
    font-weight: 600;
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: var(--transition-base);
}

.chat-login-link:hover {
    background: var(--primary-hover);
    color: var(--text-dark);
}

.chat-messages-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.chat-message-time {
    font-size: 0.625rem;
    color: var(--text-gray-500);
    margin-top: 0.25rem;
}

/* ===== IMAGE MODAL (for banner images) ===== */
.image-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.9);
    cursor: pointer;
}

.image-modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.image-modal-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
    background: rgba(0,0,0,0.5);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.image-modal-close:hover {
    color: var(--primary);
    background: rgba(0,0,0,0.8);
}

.modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1001;
    font-size: 24px;
}

.modal-nav:hover {
    background: rgba(0, 0, 0, 0.8);
    color: var(--primary);
}

.modal-nav-prev {
    left: 30px;
}

.modal-nav-next {
    right: 30px;
}

.modal-title {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    background: rgba(0,0,0,0.7);
    padding: 10px 20px;
    border-radius: 25px;
    z-index: 1001;
}