* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Nunito', sans-serif;
    color: #111827;
    background: #ffffff;
}

img {
    max-width: 100%;
    display: block;
}

button,
input {
    font-family: inherit;
}

button {
    cursor: pointer;
}

.product-container {
    width: calc(100% - 240px);
    max-width: 1400px;
    margin: auto;
}

/*==================================
        BREADCRUMB
==================================*/

.product-breadcrumb {
    padding: 25px 0;
    background: #F8FBFF;
}

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;

    font-size: 14px;
}

.breadcrumb a {
    color: #2563EB;
    text-decoration: none;
    font-weight: 600;
}

.breadcrumb i {
    color: #94A3B8;
    font-size: 10px;
}

.breadcrumb span {
    color: #64748B;
}

/* =========================================
   PRODUCT MAIN
========================================= */

.product-main {
    width: 100%;
    padding: 70px 0 100px;
    background: #ffffff;
    box-sizing: border-box;
}

.product-container {
    width: calc(100% - 160px);
    max-width: 1400px;
    margin: 0 auto;
    box-sizing: border-box;
}

.product-main-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 80px;
    align-items: start;
}


/* =========================================
   PRODUCT GALLERY
   MAIN IMAGE TOP + THUMBNAILS BELOW
========================================= */

.product-gallery {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
}


/* =========================================
   MAIN PRODUCT IMAGE
========================================= */

.product-main-image {
    width: 100%;
    min-height: 570px;

    position: relative;

    display: flex;
    align-items: center;
    justify-content: center;

    background: #ffffff;

    border-radius: 22px;

    padding: 50px;

    box-sizing: border-box;
}

.product-main-image>img {
    width: 100%;
    height: 480px;

    object-fit: contain;

    display: block;

    transition: transform 0.3s ease;
}


/* =========================================
   DISCOUNT BADGE
========================================= */

.product-discount-badge {
    position: absolute;

    top: 20px;
    left: 20px;

    padding: 8px 15px;

    background: #ef4444;

    color: #ffffff;

    border-radius: 30px;

    font-size: 13px;
    font-weight: 800;

    z-index: 2;
}


/* =========================================
   IMAGE ZOOM BUTTON
========================================= */

.image-zoom {
    position: absolute;

    right: 20px;
    top: 20px;

    width: 42px;
    height: 42px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: none;
    border-radius: 50%;

    background: #ffffff;

    color: #2563eb;

    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.10);

    cursor: pointer;

    z-index: 2;

    transition: 0.25s ease;
}

.image-zoom:hover {
    transform: scale(1.08);
}


/* =========================================
   PRODUCT THUMBNAILS
   HORIZONTAL + CENTERED + SCROLLABLE
========================================= */

.product-thumbnails {
    width: 100%;

    display: flex;
    flex-direction: row;

    align-items: center;
    justify-content: center;

    gap: 15px;

    margin-top: 18px;

    padding: 5px 10px 12px;

    overflow-x: auto;
    overflow-y: hidden;

    scroll-behavior: smooth;

    -webkit-overflow-scrolling: touch;

    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 #f1f5f9;

    box-sizing: border-box;
}


/* =========================================
   THUMBNAIL
========================================= */

.thumbnail {
    flex: 0 0 85px;

    width: 85px;
    height: 85px;

    padding: 8px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: #ffffff;

    border: 2px solid #e5e7eb;

    border-radius: 12px;

    cursor: pointer;

    overflow: hidden;

    box-sizing: border-box;

    transition:
        border-color 0.25s ease,
        transform 0.25s ease,
        box-shadow 0.25s ease;
}

.thumbnail:hover {
    border-color: #93c5fd;

    transform: translateY(-2px);
}

.thumbnail.active {
    border-color: #2563eb;

    box-shadow:
        0 0 0 2px rgba(37, 99, 235, 0.12);
}


/* =========================================
   THUMBNAIL IMAGE
========================================= */

.thumbnail img {
    width: 100%;
    height: 100%;

    object-fit: contain;
    border-radius: 20px;
    display: block;
}


/* =========================================
   THUMBNAIL SCROLLBAR
========================================= */

.product-thumbnails::-webkit-scrollbar {
    height: 6px;
}

.product-thumbnails::-webkit-scrollbar-track {
    background: #f1f5f9;

    border-radius: 20px;
}

.product-thumbnails::-webkit-scrollbar-thumb {
    background: #cbd5e1;

    border-radius: 20px;
}

.product-thumbnails::-webkit-scrollbar-thumb:hover {
    background: #2563eb;
}


/* =========================================
   PRODUCT INFORMATION
========================================= */

.product-information {
    width: 100%;
}

.product-category {
    display: inline-block;

    margin-bottom: 15px;

    color: #2563eb;

    font-size: 14px;

    font-weight: 800;

    text-transform: uppercase;

    letter-spacing: 1.5px;
}

.product-title {
    font-size: 46px;

    line-height: 1.15;

    font-weight: 900;

    margin: 0 0 20px;

    color: #111827;
}

.product-short-description {
    color: #64748b;

    font-size: 17px;

    line-height: 1.8;

    margin: 0 0 25px;
}


/* =========================================
   RATING
========================================= */

.product-rating {
    display: flex;

    align-items: center;

    gap: 15px;

    margin-bottom: 18px;
}

.stars {
    color: #f59e0b;

    letter-spacing: 2px;
}

.product-rating a {
    color: #2563eb;

    text-decoration: none;

    font-size: 14px;

    font-weight: 700;
}


/* =========================================
   SKU
========================================= */

.product-sku {
    color: #94a3b8;

    font-size: 14px;

    padding-bottom: 25px;

    border-bottom: 1px solid #e5e7eb;
}

.product-sku strong {
    color: #475569;
}


/* =========================================
   PRICE
========================================= */

.product-price-area {
    display: flex;

    align-items: center;

    gap: 15px;

    flex-wrap: wrap;

    margin: 25px 0 15px;
}

.product-current-price {
    font-size: 40px;

    font-weight: 900;

    color: #111827;
}

.product-old-price {
    font-size: 20px;

    color: #94a3b8;

    text-decoration: line-through;
}

.product-save {
    padding: 6px 12px;

    background: #dcfce7;

    color: #15803d;

    border-radius: 6px;

    font-size: 13px;

    font-weight: 800;
}


/* =========================================
   STOCK
========================================= */

.product-stock {
    display: flex;

    align-items: center;

    gap: 8px;

    color: #16a34a;

    font-size: 15px;

    font-weight: 800;

    margin-bottom: 30px;
}

.product-stock i {
    font-size: 8px;
}

.product-stock span {
    color: #64748b;

    font-weight: 600;
}


/* =========================================
   QUANTITY
========================================= */

.quantity-section {
    display: flex;

    align-items: center;

    gap: 20px;

    margin-bottom: 25px;
}

.quantity-section label {
    font-size: 15px;

    font-weight: 800;
}

.quantity-control {
    display: flex;

    align-items: center;

    border: 1px solid #d1d5db;

    border-radius: 10px;

    overflow: hidden;
}

.quantity-control button {
    width: 42px;
    height: 42px;

    border: none;

    background: #f8fafc;

    color: #374151;

    cursor: pointer;
}

.quantity-control input {
    width: 50px;
    height: 42px;

    border: none;

    text-align: center;

    outline: none;

    font-size: 16px;

    font-weight: 700;
}


/* =========================================
   ACTION BUTTONS
========================================= */

.product-action-buttons {
    display: grid;

    grid-template-columns: 1fr 1fr 55px;

    gap: 12px;

    margin-bottom: 35px;
}

.add-cart-btn,
.buy-now-btn,
.wishlist-btn {
    height: 56px;

    border-radius: 10px;

    font-size: 16px;

    font-weight: 800;

    transition: 0.3s ease;

    cursor: pointer;
}

.add-cart-btn {
    background: #ffffff;

    color: #2563eb;

    border: 2px solid #2563eb;
}

.add-cart-btn:hover {
    background: #2563eb;

    color: #ffffff;
}

.buy-now-btn {
    border: none;

    background: #2563eb;

    color: #ffffff;
}

.buy-now-btn:hover {
    background: #1d4ed8;
}

.wishlist-btn {
    border: 1px solid #d1d5db;

    background: #ffffff;

    color: #64748b;
}

.wishlist-btn:hover {
    color: #ef4444;

    border-color: #ef4444;
}


/* =========================================
   PRODUCT BENEFITS
========================================= */

.product-benefits {
    display: grid;

    grid-template-columns: 1fr;

    gap: 15px;

    padding-top: 25px;

    border-top: 1px solid #e5e7eb;
}

.benefit-item {
    display: flex;

    align-items: center;

    gap: 15px;
}

.benefit-item>i {
    width: 45px;
    height: 45px;

    display: flex;

    align-items: center;
    justify-content: center;

    flex-shrink: 0;

    border-radius: 50%;

    background: #eff6ff;

    color: #2563eb;
}

.benefit-item div {
    display: flex;

    flex-direction: column;

    gap: 3px;
}

.benefit-item strong {
    font-size: 14px;
}

.benefit-item span {
    color: #64748b;

    font-size: 13px;
}


/* =========================================
   TABLET
========================================= */

@media (max-width: 1024px) {

    .product-container {
        width: calc(100% - 80px);
    }

    .product-main {
        padding: 60px 0 80px;
    }

    .product-main-grid {
        grid-template-columns: 1fr;

        gap: 50px;
    }

    .product-gallery {
        width: 100%;
    }

    .product-main-image {
        min-height: 500px;

        padding: 40px;
    }

    .product-main-image>img {
        height: 420px;
    }

    .product-thumbnails {
        width: 100%;

        justify-content: center;

        gap: 14px;

        padding-left: 15px;
        padding-right: 15px;
    }

    .product-information {
        width: 100%;
    }

    .product-title {
        font-size: 40px;
    }
}


/* =========================================
   MOBILE
========================================= */

@media (max-width: 768px) {

    .product-main {
        padding: 45px 0 70px;
    }

    .product-container {
        width: calc(100% - 40px);
    }

    .product-main-grid {
        display: flex;

        flex-direction: column;

        gap: 40px;
    }

    .product-gallery {
        width: 100%;

        display: flex;

        flex-direction: column;

        align-items: center;
    }

    .product-main-image {
        width: 100%;

        min-height: 380px;

        padding: 25px;

        border-radius: 18px;
    }

    .product-main-image>img {
        width: 100%;

        height: 320px;
    }

    .product-discount-badge {
        top: 12px;

        left: 12px;

        padding: 7px 12px;

        font-size: 12px;
    }

    .image-zoom {
        top: 12px;

        right: 12px;

        width: 38px;
        height: 38px;
    }

    .product-thumbnails {
        width: 100%;

        display: flex;

        flex-direction: row;

        align-items: center;

        justify-content: center;

        gap: 12px;

        margin-top: 18px;

        padding: 5px 10px 12px;

        overflow-x: auto;

        overflow-y: hidden;
    }

    .thumbnail {
        flex: 0 0 75px;

        width: 75px;
        height: 75px;

        padding: 7px;
    }

    .product-title {
        font-size: 34px;

        line-height: 1.2;
    }

    .product-short-description {
        font-size: 16px;

        line-height: 1.7;
    }

    .product-rating {
        flex-wrap: wrap;

        gap: 8px;
    }

    .product-current-price {
        font-size: 34px;
    }

    .quantity-section {
        justify-content: flex-start;
    }

    .product-action-buttons {
        grid-template-columns: 1fr 1fr 50px;

        gap: 8px;
    }

    .add-cart-btn,
    .buy-now-btn,
    .wishlist-btn {
        height: 52px;

        font-size: 14px;
    }
}


/* =========================================
   SMALL MOBILE
========================================= */

@media (max-width: 480px) {

    .product-container {
        width: calc(100% - 30px);
    }

    .product-main {
        padding: 35px 0 60px;
    }

    .product-main-image {
        min-height: 320px;

        padding: 20px;
    }

    .product-main-image>img {
        height: 270px;
    }

    .product-thumbnails {
        gap: 10px;

        justify-content: center;

        padding-left: 5px;
        padding-right: 5px;
    }

    .thumbnail {
        flex: 0 0 68px;

        width: 68px;
        height: 68px;

        padding: 6px;
    }

    .product-title {
        font-size: 29px;
    }

    .product-current-price {
        font-size: 30px;
    }

    .product-old-price {
        font-size: 17px;
    }

    .product-save {
        font-size: 12px;
    }

    .quantity-section {
        gap: 12px;
    }

    .product-action-buttons {
        grid-template-columns: 1fr;

        gap: 10px;
    }

    .wishlist-btn {
        width: 100%;
    }

    .add-cart-btn,
    .buy-now-btn,
    .wishlist-btn {
        height: 52px;
    }
}


/*==================================
        KEY INFORMATION
==================================*/

.product-key-info {
    padding: 50px 0;

    background: #F8FBFF;

    border-top: 1px solid #E5E7EB;
    border-bottom: 1px solid #E5E7EB;
}

.key-info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.key-info-card {
    display: flex;
    align-items: center;
    gap: 15px;

    padding: 25px;

    background: #ffffff;

    border: 1px solid #E5E7EB;

    border-radius: 14px;
}

.key-info-card>i {
    font-size: 24px;
    color: #2563EB;
}

.key-info-card div {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.key-info-card span {
    color: #64748B;
    font-size: 13px;
}

.key-info-card strong {
    font-size: 15px;
}


/*==================================
        SECTION HEADING
==================================*/

.section-heading {
    text-align: center;
    margin-bottom: 60px;
}

.section-heading>span {
    display: block;

    margin-bottom: 12px;

    color: #2563EB;

    font-size: 14px;

    font-weight: 800;

    letter-spacing: 2px;

    text-transform: uppercase;
}

.section-heading h2 {
    font-size: 44px;
    line-height: 1.2;

    font-weight: 900;

    color: #111827;
}

.section-heading h2 span {
    color: #2563EB;
}


/* =========================================
   PRODUCT INFORMATION SECTION
========================================= */

.product-information-section {
    width: 100%;
    padding: 100px 0;
    background: #ffffff;
    box-sizing: border-box;
}


/* =========================================
   TABS
========================================= */

.product-information-tabs {
    width: 100%;

    display: flex;
    align-items: center;
    justify-content: center;

    gap: 10px;

    margin-bottom: 60px;

    border-bottom: 1px solid #e5e7eb;
}


.product-information-tab {
    position: relative;

    padding: 18px 30px;

    border: none;

    background: transparent;

    color: #64748b;

    font-family: 'Nunito', sans-serif;

    font-size: 14px;

    font-weight: 800;

    letter-spacing: 1px;

    cursor: pointer;

    transition: all 0.3s ease;
}


.product-information-tab:hover {
    color: #2563eb;
}


.product-information-tab.active {
    color: #2563eb;
}


/* BLUE ACTIVE LINE */

.product-information-tab.active::after {
    content: "";

    position: absolute;

    left: 0;
    right: 0;
    bottom: -1px;

    height: 3px;

    background: #2563eb;

    border-radius: 5px 5px 0 0;
}


/* =========================================
   TAB PANELS
========================================= */

.product-information-panel {
    display: none;

    animation: productInformationFade 0.35s ease;
}


.product-information-panel.active {
    display: block;
}


@keyframes productInformationFade {

    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }

}


/* =========================================
   PRODUCT DETAILS
========================================= */

.description-content {
    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 70px;

    align-items: center;
}


.description-text p {
    color: #64748b;

    font-size: 17px;

    line-height: 1.9;

    margin-bottom: 20px;
}


.description-text h3 {
    margin: 30px 0 20px;

    font-size: 25px;

    color: #111827;
}


.feature-list {
    list-style: none;

    display: flex;

    flex-direction: column;

    gap: 14px;

    padding: 0;

    margin: 0;
}


.feature-list li {
    display: flex;

    align-items: center;

    gap: 12px;

    color: #475569;

    font-size: 16px;
}


.feature-list i {
    color: #16a34a;
}


.description-image {
    overflow: hidden;

    border-radius: 20px;

    background: #f8fafc;
}


.description-image img {
    width: 100%;

    height: 450px;

    object-fit: cover;

    display: block;
}


/* =========================================
   SPECIFICATIONS
========================================= */

.specifications-table {
    width: 100%;

    max-width: 1000px;

    margin: 0 auto;

    background: #ffffff;

    border: 1px solid #e5e7eb;

    border-radius: 16px;

    overflow: hidden;

    box-sizing: border-box;
}


.spec-row {
    display: grid;

    grid-template-columns: 1fr 1fr;

    padding: 20px 25px;

    border-bottom: 1px solid #e5e7eb;
}


.spec-row:last-child {
    border-bottom: none;
}


.spec-row:nth-child(even) {
    background: #f8fafc;
}


.spec-row span {
    color: #64748b;

    font-size: 15px;
}


.spec-row strong {
    color: #111827;

    font-size: 15px;

    font-weight: 800;
}


/* =========================================
   PACKAGE CONTENTS
========================================= */

.box-grid {
    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 25px;
}


.box-card {
    padding: 35px;

    text-align: center;

    background: #f8fbff;

    border: 1px solid #e5e7eb;

    border-radius: 18px;

    transition: all 0.3s ease;

    box-sizing: border-box;
}


.box-card:hover {
    transform: translateY(-5px);

    border-color: #bfdbfe;

    box-shadow: 0 15px 30px rgba(37, 99, 235, 0.08);
}


.box-icon {
    width: 70px;
    height: 70px;

    display: flex;

    align-items: center;
    justify-content: center;

    margin: 0 auto 20px;

    border-radius: 50%;

    background: #eff6ff;

    color: #2563eb;

    font-size: 25px;
}


.box-card h3 {
    margin: 0 0 10px;

    font-size: 20px;

    color: #111827;
}


.box-card p {
    margin: 0;

    color: #64748b;

    font-size: 15px;

    line-height: 1.6;
}


/* =========================================
   TABLET
========================================= */

@media (max-width: 1024px) {

    .product-information-section {
        padding: 80px 0;
    }

    .product-information-tabs {
        margin-bottom: 45px;
    }

    .description-content {
        grid-template-columns: 1fr;

        gap: 40px;
    }

    .description-image {
        max-width: 700px;

        width: 100%;

        margin: 0 auto;
    }

    .box-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}


/* =========================================
   MOBILE
========================================= */

@media (max-width: 768px) {

    .product-information-section {
        padding: 65px 0;
    }


    /* TABS */

    .product-information-tabs {
        justify-content: flex-start;

        gap: 0;

        overflow-x: auto;

        margin-bottom: 40px;

        scrollbar-width: none;

        -webkit-overflow-scrolling: touch;
    }


    .product-information-tabs::-webkit-scrollbar {
        display: none;
    }


    .product-information-tab {
        flex: 0 0 auto;

        padding: 15px 18px;

        font-size: 12px;

        white-space: nowrap;
    }


    /* DESCRIPTION */

    .description-content {
        grid-template-columns: 1fr;

        gap: 35px;
    }


    .description-text p {
        font-size: 16px;

        line-height: 1.8;
    }


    .description-text h3 {
        font-size: 22px;
    }


    .description-image img {
        height: 350px;
    }


    /* SPECIFICATIONS */

    .specifications-table {
        width: 100%;
    }


    .spec-row {
        grid-template-columns: 1fr;

        gap: 7px;

        padding: 17px 18px;
    }


    /* PACKAGE */

    .box-grid {
        grid-template-columns: 1fr;

        gap: 18px;
    }


    .box-card {
        padding: 28px 20px;
    }

}


/* =========================================
   SMALL MOBILE
========================================= */

@media (max-width: 480px) {

    .product-information-section {
        padding: 55px 0;
    }


    .product-information-tab {
        padding: 14px 15px;

        font-size: 11px;

        letter-spacing: 0.6px;
    }


    .description-image img {
        height: 280px;
    }


    .spec-row {
        padding: 15px;
    }


    .box-card {
        padding: 25px 18px;
    }

}

/*==================================
        APPLICATIONS
==================================*/

.applications-section {
    padding: 110px 0;

    background: #F8FBFF;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.application-card {
    padding: 35px;

    background: #ffffff;

    border: 1px solid #E5E7EB;

    border-radius: 18px;

    transition: .3s;
}

.application-card:hover {
    transform: translateY(-7px);

    border-color: #2563EB;

    box-shadow: 0 15px 35px rgba(37, 99, 235, .10);
}

.application-card>i {
    font-size: 30px;

    color: #2563EB;

    margin-bottom: 20px;
}

.application-card h3 {
    margin-bottom: 12px;
    font-size: 21px;
}

.application-card p {
    color: #64748B;
    line-height: 1.7;
}


/*==================================
        REVIEWS
==================================*/

.reviews-section {
    padding: 110px 0;
}

.review-summary {
    display: grid;
    grid-template-columns: 300px 1fr;

    gap: 70px;

    max-width: 900px;

    margin: 0 auto 60px;

    padding: 35px;

    background: #F8FBFF;

    border-radius: 18px;
}

.overall-rating {
    display: flex;
    flex-direction: column;

    align-items: center;
    justify-content: center;
}

.overall-rating>strong {
    font-size: 65px;
    line-height: 1;
}

.overall-rating .stars {
    margin: 12px 0;
}

.overall-rating span {
    color: #64748B;
    font-size: 14px;
}

.rating-bars {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
}

.rating-line {
    display: grid;
    grid-template-columns: 20px 1fr 45px;
    align-items: center;
    gap: 10px;
}

.rating-line>div {
    height: 8px;

    background: #E5E7EB;

    border-radius: 20px;

    overflow: hidden;
}

.rating-line>div span {
    display: block;

    height: 100%;

    background: #F59E0B;
}

.rating-line strong {
    font-size: 13px;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.review-card {
    padding: 30px;

    border: 1px solid #E5E7EB;

    border-radius: 16px;
}

.review-top {
    display: flex;
    justify-content: space-between;
    align-items: center;

    margin-bottom: 15px;
}

.review-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-avatar {
    width: 45px;
    height: 45px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 50%;

    background: #DBEAFE;

    color: #2563EB;

    font-weight: 900;
}

.review-user div:last-child {
    display: flex;
    flex-direction: column;
}

.review-user span {
    color: #16A34A;
    font-size: 12px;
}

.review-card>p {
    color: #64748B;
    line-height: 1.8;
    margin-top: 15px;
}


/*==================================
        RELATED PRODUCTS
==================================*/

.related-products {
    padding: 110px 0;

    background: #F8FBFF;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.related-card {
    overflow: hidden;

    background: #ffffff;

    border: 1px solid #E5E7EB;

    border-radius: 16px;

    transition: .3s;
}

.related-card:hover {
    transform: translateY(-7px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, .08);
}

.related-image {
    height: 250px;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 25px;

    background: #ffffff;
}

.related-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.related-content {
    padding: 25px;
}

.related-content>span {
    color: #2563EB;
    font-size: 13px;
    font-weight: 800;
}

.related-content h3 {
    margin: 8px 0 12px;
    font-size: 19px;
}

.related-content .stars {
    margin-bottom: 10px;
}

.related-content>strong {
    display: block;
    font-size: 22px;
    margin-bottom: 15px;
}

.related-content>a {
    color: #2563EB;
    text-decoration: none;
    font-weight: 800;
}


/*==================================
            FAQ
==================================*/

.product-faq {
    padding: 110px 0;
}

.faq-list {
    max-width: 950px;
    margin: auto;

    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    border: 1px solid #E5E7EB;
    border-radius: 14px;
    overflow: hidden;

    background: #ffffff;
}

.faq-item.active {
    border-color: #2563EB;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;

    padding: 25px;

    cursor: pointer;
}

.faq-question h3 {
    font-size: 18px;
}

.faq-question i {
    color: #2563EB;

    transition: .3s;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;

    overflow: hidden;

    transition: max-height .35s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 25px 25px;

    color: #64748B;

    line-height: 1.8;
}


/*==================================
            CTA
==================================*/

.product-cta {
    padding: 110px 0;

    background: linear-gradient(135deg,
            #2563EB,
            #1D4ED8);
}

.product-cta-container {
    width: calc(100% - 40px);
    max-width: 950px;

    margin: auto;

    text-align: center;
}

.product-cta-container>span {
    display: inline-block;

    padding: 9px 18px;

    border-radius: 30px;

    background: rgba(255, 255, 255, .15);

    color: #ffffff;

    font-size: 13px;

    font-weight: 800;

    letter-spacing: 2px;
}

.product-cta h2 {
    margin: 25px 0 20px;

    color: #ffffff;

    font-size: 50px;

    line-height: 1.2;
}

.product-cta h2 strong {
    color: #BFDBFE;
}

.product-cta p {
    max-width: 700px;

    margin: 0 auto 35px;

    color: #DBEAFE;

    font-size: 18px;

    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.cta-primary,
.cta-secondary {
    display: inline-block;

    padding: 16px 35px;

    border-radius: 10px;

    text-decoration: none;

    font-weight: 800;

    transition: .3s;
}

.cta-primary {
    background: #ffffff;
    color: #2563EB;
}

.cta-secondary {
    border: 2px solid #ffffff;
    color: #ffffff;
}

.cta-primary:hover,
.cta-secondary:hover {
    transform: translateY(-4px);
}

.cta-secondary:hover {
    background: #ffffff;
    color: #2563EB;
}


/*==================================
        MOBILE NAVIGATION
==================================*/

@media(max-width:768px) {

    .header {
        height: 65px;
        padding: 0 20px;
    }

    .logo img {
        width: 125px;
    }

    .menu-toggle {
        display: flex;

        align-items: center;
        justify-content: center;

        width: 42px;
        height: 42px;

        font-size: 23px;

        color: #111827;
    }

    .navbar-items {
        position: absolute;

        top: 65px;
        left: 0;

        width: 100%;

        display: none;

        background: #ffffff;

        border-top: 1px solid #E5E7EB;

        box-shadow: 0 15px 30px rgba(0, 0, 0, .08);
    }

    .navbar-items.active {
        display: block;
    }

    .navbar-nav {
        flex-direction: column;

        align-items: stretch;

        gap: 0;

        padding: 10px 20px 20px;
    }

    .navbar-nav>li>a {
        padding: 15px 5px;
    }

    .dropdown-menu {
        position: static;

        width: 100%;

        display: none;

        opacity: 1;
        visibility: visible;

        transform: none;

        box-shadow: none;

        border: none;

        border-radius: 0;

        padding: 0;

        background: #F8FBFF;
    }

    .dropdown.active .dropdown-menu {
        display: block;
    }

    .dropdown-menu li a {
        padding: 12px 20px;
    }

    .product-container {
        width: calc(100% - 40px);
    }

}


/*==================================
        TABLET
==================================*/

@media(max-width:1200px) {

    .product-container {
        width: calc(100% - 80px);
    }

    .product-main-grid {
        gap: 40px;
    }

    .product-title {
        font-size: 40px;
    }

    .key-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .applications-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}


/*==================================
        MOBILE
==================================*/

@media(max-width:768px) {

    .product-container {
        width: calc(100% - 40px);
    }

    .product-breadcrumb {
        padding: 18px 0;
    }

    .breadcrumb {
        font-size: 12px;
    }

    .product-main {
        padding: 40px 0 70px;
    }

    .product-main-grid {
        grid-template-columns: 1fr;
        gap: 45px;
    }

    .product-gallery {
        grid-template-columns: 65px 1fr;
        gap: 12px;
    }

    .thumbnail {
        width: 60px;
        height: 60px;
    }

    .product-main-image {
        min-height: 380px;
        padding: 30px;
    }

    .product-main-image>img {
        height: 320px;
    }

    .product-title {
        font-size: 32px;
    }

    .product-short-description {
        font-size: 15px;
    }

    .product-current-price {
        font-size: 34px;
    }

    .product-action-buttons {
        grid-template-columns: 1fr 1fr;
    }

    .wishlist-btn {
        grid-column: 1 / -1;
    }

    .key-info-grid {
        grid-template-columns: 1fr;
    }

    .section-heading {
        margin-bottom: 40px;
    }

    .section-heading h2 {
        font-size: 32px;
    }

    .product-description-section,
    .specifications-section,
    .box-section,
    .applications-section,
    .reviews-section,
    .related-products,
    .product-faq,
    .product-cta {
        padding: 75px 0;
    }

    .description-content {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .description-image img {
        height: 300px;
    }

    .spec-row {
        grid-template-columns: 1fr;

        gap: 8px;
    }

    .box-grid {
        grid-template-columns: 1fr;
    }

    .applications-grid {
        grid-template-columns: 1fr;
    }

    .review-summary {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .reviews-grid {
        grid-template-columns: 1fr;
    }

    .related-grid {
        grid-template-columns: 1fr;
    }

    .product-cta h2 {
        font-size: 35px;
    }

    .product-cta p {
        font-size: 16px;
    }

}


/*==================================
        SMALL MOBILE
==================================*/

@media(max-width:480px) {

    .product-gallery {
        grid-template-columns: 1fr;
    }

    .product-thumbnails {
        order: 2;

        flex-direction: row;

        overflow-x: auto;

        padding-bottom: 5px;
    }

    .thumbnail {
        flex: 0 0 65px;
    }

    .product-main-image {
        order: 1;
        min-height: 320px;
    }

    .product-main-image>img {
        height: 270px;
    }

    .product-title {
        font-size: 28px;
    }

    .product-price-area {
        gap: 10px;
    }

    .product-current-price {
        font-size: 30px;
    }

    .product-old-price {
        font-size: 17px;
    }

    .product-action-buttons {
        grid-template-columns: 1fr;
    }

    .wishlist-btn {
        grid-column: auto;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-primary,
    .cta-secondary {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }

}
