:root {
    /* Color Palette - Matching Original Premium Feel */
    --primary: #272727;
    --text-color: #272727;
    --text-muted: #6b6b6b;
    --border-color: #e5e5e5;
    --bg-light: #f6f6f6;
    --white: #ffffff;
    --accent: #272727;
    --success: #3c8c40;
    --error: #b30022;
    --discount-bg: #ff6600;

    /* Typography */
    --font-main: 'Inter', sans-serif;

    /* Layout */
    --container-width: 1240px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;

    /* Effects */
    --radius-sm: 4px;
    --radius-md: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: var(--font-main);
    color: var(--text-color);
    background-color: var(--white);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Announcement Bar */
.announcement-bar {
    background-color: var(--primary);
    color: var(--white);
    text-align: center;
    padding: 10px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo img {
    height: 45px;
    width: auto;
}

/* Breadcrumbs */
.breadcrumbs {
    padding: var(--spacing-md) 0;
    font-size: 13px;
    color: var(--text-muted);
}

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

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

.breadcrumbs span {
    margin: 0 8px;
}

/* Product Section */
.product-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 900px) {
    .product-section {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* Gallery */
.gallery-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.main-image {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #fdfdfd;
}

/* Main Image Transition */
.main-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease, opacity 0.3s ease;
    will-change: opacity;
}

.offer-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--discount-bg);
    color: white;
    padding: 6px 12px;
    font-size: 11px;
    font-weight: 800;
    border-radius: 4px;
    letter-spacing: 1px;
}

.thumbnails {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.thumb {
    width: 80px;
    height: 80px;
    border: 2px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    overflow: hidden;
    transition: var(--transition);
}

.thumb.active {
    border-color: var(--primary);
}

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

/* Product Details */
.viewer-count {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: #444;
    margin-bottom: 15px;
    background: #f9f9f9;
    padding: 8px 12px;
    border-radius: 20px;
    width: fit-content;
}

.pulse {
    width: 8px;
    height: 8px;
    background: #e74c3c;
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.7);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.7);
    }

    70% {
        transform: scale(1);
        box-shadow: 0 0 0 10px rgba(231, 76, 60, 0);
    }

    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(231, 76, 60, 0);
    }
}

.brand-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.product-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.reviews-stars {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    margin-bottom: 20px;
}

.reviews-stars i {
    color: #ffb800;
}

.reviews-stars span {
    color: var(--text-muted);
    margin-left: 5px;
}

.product-price {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
}

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

.price-current {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
}

.discount-badge {
    background: #fff0eb;
    color: #ff6600;
    padding: 4px 8px;
    font-size: 13px;
    font-weight: 700;
    border-radius: 4px;
}

.installments-info {
    font-size: 14px;
    color: #444;
    margin-bottom: 25px;
}

.view-payments {
    background: none;
    border: none;
    color: #000;
    text-decoration: underline;
    font-weight: 600;
    cursor: pointer;
    font-size: 13px;
    margin-left: 10px;
}

/* Variant Selector */
.variant-selector {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 30px;
}

.variant-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.variant-item:hover {
    border-color: #999;
    background: #fafafa;
}

.variant-item.selected {
    border-color: var(--primary);
    background: #f9f9f9;
    border-width: 2px;
}

.variant-info .name {
    display: block;
    font-weight: 600;
    font-size: 15px;
}

.variant-info .info-text {
    font-size: 12px;
    color: var(--text-muted);
}

.variant-price {
    font-weight: 700;
    font-size: 16px;
}

.hidden {
    display: none !important;
}

/* Shipping Box */
.shipping-box {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 30px;
}

.shipping-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 13px;
    font-weight: 700;
    color: #333;
}

.shipping-header i {
    color: var(--success);
}

.shipping-calculator {
    display: flex;
    gap: 10px;
}

.shipping-calculator input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 14px;
}

.shipping-calculator button {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0 20px;
    border-radius: 4px;
    font-weight: 700;
    cursor: pointer;
    font-size: 12px;
}

.shipping-result {
    margin-top: 15px;
    font-size: 13px;
    color: var(--success);
    font-weight: 600;
    border-top: 1px solid #eee;
    padding-top: 10px;
}

/* Buy Section */
.buy-section {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.quantity-selector {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.quantity-selector button {
    background: none;
    border: none;
    width: 40px;
    height: 50px;
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition);
}

.quantity-selector button:hover {
    background: #f0f0f0;
}

.quantity-selector input {
    width: 50px;
    height: 50px;
    border: none;
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    outline: none;
    -moz-appearance: textfield;
    appearance: textfield;
}

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

.buy-button {
    flex: 1;
    background: #000;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
}

.buy-button:hover {
    background: #333;
    transform: translateY(-2px);
}

/* Payment Methods in Hero */
.payment-methods-hero {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 0;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.payment-methods-hero span {
    font-size: 13px;
    color: #666;
    font-weight: 500;
}

.payment-methods-hero .payment-icons {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.payment-methods-hero .payment-icons svg {
    height: 24px;
    width: auto;
    border-radius: 3px;
}

/* Floating Buy Button for Mobile */
.floating-buy-btn {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    padding: 12px 20px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.floating-buy-btn.visible {
    transform: translateY(0);
}

.floating-buy-btn button {
    width: 100%;
    background: #000;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 16px;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
}

@media (max-width: 768px) {
    .floating-buy-btn {
        display: block;
    }
}

/* Trust Grid */
.trust-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    padding: 20px 0;
    border-top: 1px solid #eee;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    color: #666;
    font-weight: 500;
}

.trust-item i {
    font-size: 16px;
    color: #333;
}

/* Accordions */
.accordion-section {
    margin: 60px 0;
}

.accordion {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: #eee;
    border: 1px solid #eee;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.accordion-item {
    background: white;
}

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    background: none;
    border: none;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
}

.accordion-header i {
    transition: transform 0.3s ease;
    font-size: 12px;
}

.accordion-item.active .accordion-header i {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0, 1, 0, 1);
    padding: 0 25px;
}

.accordion-item.active .accordion-content {
    max-height: 1000px;
    transition: all 0.5s cubic-bezier(1, 0, 1, 0);
    padding: 0 25px 25px;
}

.accordion-content p {
    font-size: 15px;
    color: #555;
    margin-bottom: 15px;
}

/* ========================================
   VIDEO TESTIMONIAL SECTION
   ======================================== */
.video-section {
    padding: 60px 0;
    background: #fff;
    overflow: hidden;
    content-visibility: auto;
    contain-intrinsic-size: 800px;
    /* Approximate height to prevent scrollbar jumping */
}

/* FAQ Section Optimization */
.faq-section {
    content-visibility: auto;
    contain-intrinsic-size: 600px;
}

/* Reviews Section Optimization */
.reviews-section {
    content-visibility: auto;
    contain-intrinsic-size: 1000px;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-subtitle {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.3;
}

@media (max-width: 768px) {
    .section-title {
        font-size: 22px;
    }
}

.video-carousel-container {
    position: relative;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    overflow: visible;
}

.video-carousel-track {
    display: flex;
    gap: 12px;
    transition: transform 0.4s ease;
    padding-left: 16px;
}

.video-slide {
    flex: 0 0 auto;
    width: calc(70% - 6px);
    max-width: 300px;
}

@media (min-width: 768px) {
    .video-slide {
        width: calc(25% - 9px);
        max-width: 280px;
    }

    .video-carousel-track {
        padding-left: calc(50% - 560px);
        justify-content: center;
    }
}

.video-inner {
    position: relative;
    width: 100%;
    aspect-ratio: 9/16;
    border-radius: 16px;
    overflow: hidden;
    background: #111;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.video-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    cursor: pointer;
    background: #111;
}

.video-slide.playing .video-thumbnail {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.thumbnail-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.video-thumbnail:hover .play-overlay {
    background: rgba(0, 0, 0, 0.4);
}

.play-button {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.video-thumbnail:hover .play-button {
    transform: scale(1.1);
    background: #fff;
}

.play-button i {
    font-size: 20px;
    color: #333;
    margin-left: 3px;
}

.carousel-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.95);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.carousel-nav:hover {
    background: #fff;
    transform: translateY(-50%) scale(1.1);
}

.carousel-nav i {
    color: #333;
}

.carousel-prev {
    left: 8px;
}

.carousel-next {
    right: 8px;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.carousel-dot:hover {
    background: rgba(0, 0, 0, 0.4);
}

.carousel-dot.active {
    background: #333;
    width: 24px;
    border-radius: 4px;
}

/* ========================================
   FAQ SECTION
   ======================================== */
.faq-section {
    padding: 60px 0;
    background: #fff;
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item-detail {
    border-bottom: 1px solid #eee;
}

.faq-item-detail:last-child {
    border-bottom: none;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question i {
    transition: transform 0.3s ease;
    font-size: 12px;
    color: #999;
}

.faq-item-detail[open] .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 0 20px 0;
}

.faq-answer p {
    font-size: 15px;
    color: #555;
    line-height: 1.6;
}

.faq-support-info {
    max-width: 800px;
    margin: 40px auto 0;
    padding: 20px;
    background: #f9f9f9;
    border-radius: var(--radius-md);
    text-align: center;
}

.faq-support-info p {
    font-size: 14px;
    color: #555;
    margin-bottom: 5px;
}

.response-time {
    font-size: 13px;
    color: var(--text-muted);
}

/* ========================================
   TRUST ICONS SECTION
   ======================================== */
.trust-icons-section {
    background: #1a1a1a;
    color: #fff;
    padding: 40px 20px;
}

.trust-icons-container {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .trust-icons-container {
        flex-direction: column;
        gap: 30px;
        align-items: center;
        text-align: center;
    }
}

.trust-icon-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

@media (max-width: 768px) {
    .trust-icon-item {
        flex-direction: column;
        gap: 10px;
    }
}

.trust-icon-circle {
    width: 50px;
    height: 50px;
    background: #383838;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.trust-icon-circle i {
    font-size: 20px;
    color: #fff;
}

.trust-icon-text h3 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 3px;
}

.trust-icon-text p {
    font-size: 13px;
    color: #999;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: #f9f9f9;
    border-top: 1px solid #eee;
    padding: 60px 0 30px;
    color: #333;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
}

.footer-block h4 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.footer-block p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 10px;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #000;
}

.social-icons {
    display: flex;
    gap: 15px;
}

@media (max-width: 600px) {
    .social-icons {
        justify-content: center;
    }
}

.social-icons a {
    width: 40px;
    height: 40px;
    background: #eee;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    font-size: 18px;
    transition: var(--transition);
}

.social-icons a:hover {
    background: #333;
    color: #fff;
}

.footer-additional {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 40px;
    padding: 40px 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

@media (max-width: 768px) {
    .footer-additional {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

.footer-section {
    flex: 1;
    min-width: 200px;
}

.footer-section-title {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.security-badges {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .security-badges {
        justify-content: center;
    }
}

.security-badges img {
    height: 25px;
    width: auto;
}

.payment-methods {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .payment-methods {
        justify-content: center;
    }
}

.payment-methods img {
    height: 24px;
    width: auto;
}

.shipping-methods {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .shipping-methods {
        justify-content: center;
    }
}

.shipping-methods img {
    height: 22px;
    width: auto;
}

.footer-bottom {
    padding-top: 30px;
    text-align: center;
}

.copyright {
    font-size: 12px;
    color: #999;
}

/* ==========================================
   REVIEWS SECTION
   ========================================== */
.reviews-section {
    padding: 60px 0;
    background: #f8f8f8;
}

.reviews-header {
    text-align: center;
    margin-bottom: 40px;
}

.reviews-header .section-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
}

.reviews-summary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.reviews-summary .stars {
    display: flex;
    gap: 2px;
}

.reviews-summary .stars i {
    color: #f5a623;
    font-size: 18px;
}

.reviews-summary span {
    color: #666;
    font-size: 14px;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

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

@media (max-width: 576px) {
    .reviews-grid {
        grid-template-columns: 1fr;
    }
}

.review-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.review-image {
    aspect-ratio: 1 / 1;
    overflow: hidden;
}

.review-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.review-content {
    padding: 20px;
}

.review-stars {
    display: flex;
    gap: 2px;
    margin-bottom: 10px;
}

.review-stars i {
    color: #f5a623;
    font-size: 14px;
}

.reviewer-name {
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.reviewer-name i {
    color: #3b82f6;
    font-size: 14px;
}

.review-text {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .reviews-section {
        padding: 40px 0;
    }

    .reviews-header .section-title {
        font-size: 22px;
    }

    /* Add padding bottom for floating button */
    body {
        padding-bottom: 80px;
    }
}