* {
    font-family: 'Lato', Arial, sans-serif;
    margin: 0;
    padding: 0;
    border-width: 0;
    outline: 0;
    border-style: solid;
}

body {
    color: #333;
}

a {
    text-decoration: none;
    border: none;
}

li {
    list-style-type: none;
}

input::placeholder {
    color: #fff;
}

.textarea::placeholder {
    color: #fff;
}

hr {
    height: 1px;
    border-width: 0;
    color: #ccc;
    background-color: #ccc;
    margin: 15px 0 10px 0;
}

.a_button {
    display: inline-table;
    min-width: 114px;
    box-sizing: border-box;
    padding: 15px 30px;
    background-color: #006666;
    color: #00ffff;
    text-align: center;
    border-radius: 4px;
    white-space: nowrap;
}

.a_device {
    display: inline-table;
    padding: 15px 30px;
    background-color: #006666;
    color: #00ffff;
    text-align: center;
    border-radius: 4px;
}

.div_sticky_nav.scroled {
    height: inherit;
    padding-top: 0;
    -webkit-transition: ease-in 0.5s;
    transition: ease-in 0.5s;
}

.div_sticky_nav {
    width: 100%;
    height: 70px;
    padding-top: 10px;
    background-color: #006666;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 2;
}

.inner_div_sticky_nav {
    max-width: 1182px;
    margin: 0 auto;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
}

.child_div_sticky_nav {
    -webkit-flex: 0 0 auto;
    -ms-flex: 0 0 auto;
    flex: 0 0 auto;
}

.left_div_sticky_nav {
    position: relative;
}

.cover.show {
    left: 0;
}

.cover {
    position: fixed;
    background-color: rgba(0, 0, 0, 0.4);
    width: 100%;
    height: 100vh;
    top: 0;
    left: -100%;
    -webkit-transition: 0.5s;
    transition: 0.5s;
    z-index: 3;
}

.nav_mobile.show {
    left: 20%;
}

.nav_mobile {
    position: fixed;
    width: 60%;
    top: 35%;
    left: -100%;
    text-align: center;
    -webkit-transition: 0.5s;
    transition: 0.5s;
    z-index: 3;
}

.nav_mobile a,
.div_search_nav_mobile {
    display: block;
    width: 100%;
    height: 30px;
    padding: 20px 0 7px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    background: linear-gradient(#007777, #005555);
    text-decoration: none;
    color: #fff;
}

.div_search_nav_mobile {
    display: flex;
    -ms-flex-wrap: nowrap;
    -webkit-flex-wrap: nowrap;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-evenly;
    padding: 14px 0;
}

.div_search_nav_mobile input {
    width: 66%;
    padding: 5px 10px;
    border-radius: 4px;
}

.div_search_nav_mobile img {
    width: 24px;
    height: 24px;
}

.div_logo_desktop,
.nav_desktop,
.div_search_nav_desktop {
    display: none;
}

.img_nav_button {
    width: 26px;
    height: auto;
    padding: 12px;
}

.img_login {
    width: 26px;
    height: auto;
    padding: 12px;
}

.img_search1 {
    display: none;
}

.div_logo_mobile {
    text-align: center;
}

.div_logo_mobile a {
    display: inline-block;
    width: 48px;
    height: 43px;
    padding-top: 5px;
}

.img_logo_mobile {
    width: 40px;
}

.p_site_description {
    font-size: 15px;
    background: -webkit-linear-gradient(#FFFFFF, #00FFFF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* section facade */
.section_facade {
    position: relative;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.facade_index {
    background-image: url("https://www.designart.store/uploads/fitbit-the-facade.jpg");
}

.facade_applications {
    background-image: url("https://www.designart.store/uploads/categories/fitbit-applications-600px.jpg");
}

.facade_clock-faces {
    background-image: url("https://www.designart.store/uploads/categories/fitbit-clock-faces-600px.jpg");
}

.facade_games {
    background-image: url("https://www.designart.store/uploads/categories/fitbit-games-600px.jpg");
}

@media screen and (min-width: 630px) {
    .facade_applications {
        background-image: url("https://www.designart.store/uploads/categories/fitbit-applications-1920px.jpg");
    }

    .facade_clock-faces {
        background-image: url("https://www.designart.store/uploads/categories/fitbit-clock-faces-1920px.jpg");
    }

    .facade_games {
        background-image: url("https://www.designart.store/uploads/categories/fitbit-games-1920px.jpg");
    }
}

.div_svg1 {
    padding-top: 80px;
}

.div_svg1 svg {
    display: block;
    position: relative;
    top: -3px;
    left: 50%;
    width: 100%;
    height: 74px;
    -webkit-transform: translateX(-50%) rotateY(180deg);
    -ms-transform: translateX(-50%) rotateY(180deg);
    transform: translateX(-50%) rotateY(180deg);
    fill: #006666;
}

.div_container_facade {
    position: relative;
    width: 100%;
    padding: 30px 0;
    z-index: 1;
}

.div_container_heading {
    position: relative;
    width: 100%;
    padding: 30px 15px 10px 15px;
    box-sizing: border-box;
    z-index: 1;
}

.div_heading h1 {
    color: #00FFFF;
    font-size: 2.4em;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-shadow: 1px 1px 1px #007777;
    line-height: 1.3em;
    text-align: center;
}

.div_call_to_action {
    margin-top: 50px;
    text-align: center;
}

.a_call_to_action {
    box-sizing: border-box;
    min-width: 160px;
    text-align: center;
    padding: 12px 10px;
    font-size: 20px;
    font-weight: 500;
    letter-spacing: 1.2px;
    color: #00FFFF;
    background-color: #003333;
    border: 1px solid #00ffff;
    border-radius: 5px 5px 5px 5px;
    margin: 5px;
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.a_call_to_action:hover {
    -webkit-transform: scale(1.05);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 255, 255, 0.3);
}

.a_call_to_action_active {
    color: #003333 !important;
    background-color: #00ffff !important;
    border: 1px solid #003333 !important;
}

.div_call_to_action {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    padding: 0 10px;
}

.div_svg2 {
    padding-top: 30px;
}

.div_svg2 svg {
    display: block;
    position: relative;
    left: 50%;
    width: 100%;
    height: 47px;
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
    fill: #006666;
}

.img_to_top {
    display: none;
    position: fixed;
    right: 4%;
    bottom: 2%;
    z-index: 5;
    width: 26px;
    height: 26px;
    padding: 12px;
    cursor: pointer;
}

/* section categories */
.div_svg3 svg {
    display: block;
    position: relative;
    top: -1px;
    left: 50%;
    width: 100%;
    height: 74px;
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
    fill: #006666;
}



.section_categories ul li {
    padding: 5px;
}

.div_general {
    max-width: 1000px;
    margin: 0 auto;
    padding: 10px;
}

.h2_general {
    font-size: 27px;
    text-align: center;
    margin-bottom: 20px;
}

.div_general h2 {
    position: relative;
    font-size: 36px;
    font-weight: 600;
    color: #006666;
    text-shadow: 1px 1px 1px #00FFFF;
    margin: -33px 0 20px 0;
    text-align: center;
}

.div_general h2.h2_features_instructions {
    font-size: 20px;
    color: inherit;
    text-shadow: none;
    margin: 20px 0 10px 0;
    text-align: left;
}

.div_general p {
    font-size: 18px;
    font-weight: 500;
    line-height: 1.8em;
    letter-spacing: 0.7px;
    margin-bottom: 20px;
}

.div_general ul li,
.div_general ol li {
    font-size: 18px;
    font-weight: 500;
    line-height: 1.8em;
    letter-spacing: 0.7px;
}

.div_general strong {
    display: inline-block;
    margin: 5px 0;
}

.div_general p a {
    color: #006666;
}

.a_img {
    display: block;
    padding-bottom: 60%;
    position: relative;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    border-radius: 10px;
    -webkit-transition: transform 0.3s ease, box-shadow 0.3s ease;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.a_img:hover {
    -webkit-transform: translateY(-5px);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 102, 102, 0.3);
}

.a_be_responsible {
    background-image: url(https://www.designart.store/uploads/categories/fitbit-applications-600px.jpg);
}

.a_challenges {
    background-image: url(https://www.designart.store/uploads/categories/fitbit-clock-faces-600px.jpg);
}

.a_confidence {
    background-image: url(https://www.designart.store/uploads/categories/fitbit-games-600px.jpg);
}

.div_absolute_categories {
    width: 100%;
    box-sizing: border-box;
    position: absolute;
    left: 0;
    bottom: 0;
    padding: 0 0 15px 15px;
    background-image: -owg-linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.9) 100%);
    background-image: -webkit-linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.9) 100%);
    background-image: -moz-linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.9) 100%);
    background-image: -o-linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.9) 100%);
    background-image: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.9) 100%);
    border-radius: 0 0 10px 10px;
}

.div_absolute_categories h4 {
    color: #fff;
}

.div_absolute_categories p {
    color: rgba(255, 255, 255, 0.7);
}

.div_separator {
    height: 60px;
}

/* Scroll Animations */
.anim-scale,
.anim-slide-up,
.anim-fade {
    -webkit-transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.anim-scale {
    opacity: 0;
    -webkit-transform: scale(0.9);
    transform: scale(0.9);
}

.anim-slide-up {
    opacity: 0;
    -webkit-transform: translateY(40px);
    transform: translateY(40px);
}

.anim-fade {
    opacity: 0;
}

.animate-visible {
    opacity: 1 !important;
    -webkit-transform: none !important;
    transform: none !important;
}

/* section proverb */
.div_proverb {
    text-align: center;
    padding: 70px 20px;
    margin: 70px 30px;
    border-radius: 10px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}

.div_proverb p {
    color: #00ffff;
    font-size: 29px;
    font-weight: 500;
    line-height: 1.8em;
    letter-spacing: 0.7px;
    text-shadow: 1px 1px 1px #005555;
}

.div_proverb1 {
    background-image: url(https://www.designart.store/uploads/proverbes/fitbit-versa3.jpg);
}

.div_proverb2 {
    background-image: url(https://www.designart.store/uploads/proverbes/fitbit-sense.jpg);
}

.div_proverb3 {
    background-image: url(https://www.designart.store/uploads/proverbes/fitbit-versa4.jpg);
}

.div_proverb4 {
    background-image: url(https://www.designart.store/uploads/proverbes/fitbit-sense2.jpg);
}

/* Section caption */
.section_caption {
    padding: 20px 0 0 0;
    background: linear-gradient(135deg, #6d7a7a 0%, #474f4f 100%);
    text-align: center;
}

.section_caption p {
    font-size: 29px;
    color: #ffffff;
    font-weight: 500;
    line-height: 1.8em;
    letter-spacing: 0.7px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}



.a_img h4 {
    position: absolute;
    left: 0;
    bottom: 0;
    background-color: #00f2f2;
    color: #333;
    font-size: 15px;
    box-sizing: border-box;
    padding: 5px 15px;
    border-radius: 0 10px 0 10px;
}

.li_last_articles_a {
    display: block;
    padding: 15px 0;
    color: #006666;
}

.img_last_article {
    position: absolute;
    left: 0;
    bottom: 0;
}

.a_more {
    font-size: 14px;
    font-weight: 700;
}




.div_comment_author {
    margin: 15px 0;
    font-size: 13px;
}

.div_comment_author a {
    display: inline-block;
}

.div_comment_author img {
    width: 30px;
    height: auto;
    margin-right: 10px;
    border-radius: 3px;
}

.div_comment_author div {
    display: inline-block;
}

.div_comment_author div span {
    color: #999;
}

.div_comment_author div a {
    color: #006666;
    font-weight: 700;
}

.div_comment_author div time {
    display: block;
    color: #777;
}

/* section_counters */
.section_counters div {
    margin-bottom: 40px;
    text-align: center;
    color: #006666;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.section_counters div .p1 {
    font-size: 69px;
    font-weight: 600;
}

.section_counters div .p2 {
    font-size: 19px;
}

/* section newsletter */
.div_newsletter {
    max-width: 766px;
    margin: 70px auto;
    padding: 10px;
}

@keyframes floatPlane {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

.div_newsletter img {
    width: 100%;
    animation: floatPlane 4s ease-in-out infinite;
}

.div_newsletter p {
    color: #006666;
    font-size: 27px;
    font-weight: 600;
    letter-spacing: 0.7px;
    text-shadow: 1px 1px 1px #00FFFF;
    padding: 20px 0;
}

label.small {
    color: #006666;
    font-size: 13px;
    -webkit-transform: translateY(0);
    transform: translateY(0);
}

label span.red {
    color: #f00;
}

label {
    cursor: pointer;
    color: #888888;
    display: block;
    -webkit-transform: translateY(30px);
    transform: translateY(30px);
    -webkit-transition: .2s linear;
    transition: .2s linear;
}

form input.green {
    border-bottom: 1px solid #006666;
}

form input.alert {
    border-bottom: 1px solid #f00;
}

form input {
    color: #000;
    font-size: 16px;
    width: 100%;
    display: block;
    margin: 0 0 40px 0;
    padding: 10px 0;
    border-width: 0;
    border-bottom: 1px solid #777771;
    -webkit-transition: .2s ease;
    transition: .2s ease;
}

.placeholder_class::-webkit-input-placeholder {
    color: #ddd;
}

form textarea.green {
    border-bottom: 1px solid #006666;
}

form textarea.alert {
    border-bottom: 1px solid #f00;
}

form textarea {
    color: #000;
    font-size: 16px;
    width: 100%;
    display: block;
    margin: 0 0 40px 0;
    padding: 10px 0;
    border-width: 0;
    border-bottom: 1px solid #777771;
    -webkit-transition: .2s ease;
    transition: .2s ease;
    height: 42px;
    min-height: 42px;
    resize: vertical;
    overflow: auto;
    box-sizing: content-box;
}

.div_svg4 {
    -webkit-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    transform: rotate(180deg);
}

.div_svg4 svg {
    display: block;
    position: relative;
    top: -2px;
    left: 50%;
    width: 100%;
    height: 70px;
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
    fill: #006666;
}

/* category */
.span_description_category {
    display: block;
    margin: 40px 0;
    color: #999;
    font-size: 16px;
}

/* === Article Cards === */
.li_articles_category {
    padding: 12px;
    box-sizing: border-box;
    list-style: none;
}

.li_articles_category_a_img {
    display: block;
    position: relative;
    overflow: hidden;
    border-radius: 14px;
    background-color: #000000;
    aspect-ratio: 1 / 1;
}

.li_articles_category_img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 14px;
    -webkit-transition: transform 0.45s ease;
    transition: transform 0.45s ease;
}

/* Card wrapper — wraps the whole li content into a card */
.li_articles_category>.li_articles_category_a_img,
.li_articles_category>h3,
.li_articles_category>p,
.li_articles_category>.div_footer_li {
    /* these live inside the card shell */
}

/* Card shell via inner wrapper trick using inner flex on the li itself */
.li_articles_category {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 4px 18px rgba(0, 102, 102, 0.10), 0 1px 4px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 200, 200, 0.13);
    overflow: hidden;
    -webkit-transition: transform 0.35s ease, box-shadow 0.35s ease;
    transition: transform 0.35s ease, box-shadow 0.35s ease;
    padding: 0;
    margin: 12px;
}

.li_articles_category:hover {
    -webkit-transform: translateY(-7px);
    transform: translateY(-7px);
    box-shadow: 0 16px 40px rgba(0, 102, 102, 0.20), 0 4px 12px rgba(0, 0, 0, 0.10);
}

.li_articles_category:hover .li_articles_category_img {}

/* Card body (h3, p, div_footer_li) */
.li_articles_category>h3 {
    padding: 16px 18px 6px 18px;
    margin: 0;
    font-size: 16px;
    line-height: 1.45;
}

.li_articles_category>h3 a.li_last_articles_a {
    color: #005555;
    font-weight: 700;
    display: block;
    padding: 0;
    text-decoration: none;
    -webkit-transition: color 0.2s ease;
    transition: color 0.2s ease;
}

.li_articles_category>h3 a.li_last_articles_a:hover {
    color: #00aaaa;
}

.li_articles_category>p {
    padding: 0 18px 10px 18px;
    margin: 0;
    font-size: 15px;
    color: #777;
    line-height: 1.55;
    -webkit-flex: 1;
    flex: 1;
}

.li_articles_category>.div_footer_li {
    padding: 10px 18px 16px 18px;
    margin-top: 0;
    border-top: 1px solid rgba(0, 200, 200, 0.12);
    background: rgba(0, 255, 255, 0.03);
}

.div_footer_li {
    display: flex;
    -ms-flex-wrap: wrap;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
    padding: 0 5px;
}

.div_footer_li_right {
    justify-content: flex-end;
}

.li_error {
    list-style: none;
    padding: 20px;
    color: #c0392b;
}

.li_empty {
    list-style: none;
    padding: 20px;
    color: #555;
    text-align: center;
}

/* all articles */
.li_all_articles_span {
    display: block;
    margin: 10px 0;
    font-size: 13px;
    color: #777;
}

.img_end_of_internet {
    display: block;
    width: 100%;
    max-width: 720px;
    margin: 30px auto 50px auto;
    border-radius: 100px 100px 25px 25px;
}

/* one article */
.div_general ol {
    margin-bottom: 20px;
}

.li_nav_article {
    display: inline-block;
    margin-right: 5px;
    font-size: 13px;
}

.li_nav_article a {
    color: #006666;
}

.last_a_nav_article {
    color: #999;
}

.div_img_article {
    position: relative;
    max-width: 640px;
    margin: 30px auto;
}

.div_div_img_article {
    background-color: #000000;
    border-radius: 30px;
    overflow: hidden;
}

.img_article {
    width: 100%;
    border-radius: 30px;
}

.div_img_article svg {
    display: block;
    position: relative;
    left: 50%;
    width: 100%;
    height: 47px;
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
    fill: #fff;
    pointer-events: none;
}

/* Thumbnails gallery */
.div_product_thumbnails {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    padding: 10px 0;
    margin-top: 6px;
}

.img_product_thumbnail {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    -webkit-transition: border-color 0.2s ease, transform 0.2s ease;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.img_product_thumbnail:hover {}

.img_product_thumbnail.active {
    border-color: #006666;
    box-shadow: 0 0 0 2px #00ffff;
}

.div_article_actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: -15px auto 40px auto;
    -ms-flex-wrap: nowrap;
    -webkit-flex-wrap: nowrap;
    flex-wrap: nowrap;
    gap: 15px;
    padding: 0 40px;
    box-sizing: border-box;
    max-width: 640px;
}

.span_article_price {
    color: #006666;
    font-size: 26px;
    font-weight: bold;
    letter-spacing: 1px;
}

.span_share {
    color: #006666;
    font-size: 18px;
    font-weight: bold;
    letter-spacing: 1px;
}

.div_article_price_buy {
    display: flex;
    align-items: center;
    gap: 20px;
}

.div_article_buttons {
    display: flex;
    align-items: center;
    gap: 15px;
}

@media only screen and (max-width: 444px) {
    .div_article_actions {
        -ms-flex-wrap: nowrap !important;
        -webkit-flex-wrap: nowrap !important;
        flex-wrap: nowrap !important;
        gap: 8px !important;
        padding: 0;
    }

    .div_article_price_buy,
    .div_article_buttons {
        gap: 8px !important;
    }

    .div_article_actions .a_button {
        padding: 15px 12px !important;
        min-width: auto !important;
    }

    .div_next_previus_article {
        display: flex;
        flex-direction: column;
    }

    .div_previus_article {
        align-self: flex-start;
    }

    .div_next_article {
        align-self: flex-end;
    }
}


.span_previus_next {
    display: block;
    color: #888;
    font-size: 14px;
}

.strong_previus_next {
    color: #006666;
}

.span_fleche {
    display: inline;
    color: #006666;
    font-size: 48px;
    font-weight: bold;
}

.img_previus {
    width: 53px;
    margin-right: 10px;
    border-radius: 3px;
}

.img_next {
    width: 53px;
    margin: 0 10px 0 7px;
    border-radius: 3px;
}

.next1 {
    display: none;
}

.next2 {
    display: inline;
}

.div_title_pn {
    display: inline-block;
}

.div_previus_article,
.div_next_article {
    display: block;
    margin-bottom: 20px;
}

.div_leave_comment {
    margin: 60px auto;
}

.div_leave_comment_span {
    display: inline-block;
    margin-bottom: 40px;
}

.span_comment {
    display: block;
    margin: 10px 0 10px 10px;
    font-size: 15px;
}

.strong_comment {
    color: #006666;
}

/* page not found */
.img_any_page {
    display: block;
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    border-radius: 10px;
}

/* page about us */
.div1_any_page {
    margin-top: 50px;
    text-align: center;
}

.div2_any_page {
    margin: 50px 20px;
}

.img_mail_phone_adress {
    display: inline-block;
    width: 24px;
    height: 24px;
    margin: 0 10px -5px 0;
}

/* page contact us */
.div_gdpr {
    margin-bottom: 20px;
}

.div_gdpr p {
    margin: 0;
    font-size: 18px;
    font-weight: 500;
    line-height: 1.8em;
    letter-spacing: 0.7px;
}

.div_gdpr span {
    color: red;
}

.div_gdpr input {
    display: inline;
    width: inherit;
    margin: 0;
    border: inherit;
}

.div_gdpr label {
    display: inline;
    color: #777;
}

.div_gdpr a {
    color: #006666;
}

.img_loader {
    display: none;
    margin: 20px 0;
}

.ul_loading {
    display: flex;
}

.li_loading {
    list-style: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    animation: animate 1.6s ease-in-out infinite;
}

.li_loading {
    background: #006666;
    box-shadow: 0 0 30px #006666;
}

.div_error {
    margin-top: 10px;
    color: #ff5500;
}

@keyframes animate {

    0%,
    40%,
    100% {
        transform: scale(0.3);
    }

    20% {
        transform: scale(0.8);
    }
}

.li_loading:nth-child(1) {
    animation-delay: -1.4s;
}

.li_loading:nth-child(2) {
    animation-delay: -1.2s;
}

.li_loading:nth-child(3) {
    animation-delay: -1s;
}

.li_loading:nth-child(4) {
    animation-delay: -0.8s;
}

.li_loading:nth-child(5) {
    animation-delay: -0.6s;
}

.li_loading:nth-child(6) {
    animation-delay: -0.4s;
}

.li_loading:nth-child(7) {
    animation-delay: -0.2s;
}

/* page login */
.div_login_register {
    max-width: 420px;
    margin: 20px auto;
}

.div_switch {
    display: inline-block;
    box-sizing: border-box;
    width: 50%;
    margin-bottom: 50px;
    padding: 14px 0;
    background-color: #eee;
    color: #999;
    font-size: 18px;
    letter-spacing: 1.3px;
    text-align: center;
    -webkit-transition: .3s ease;
    transition: .3s ease;
    cursor: pointer;
}

.div_switch_login.green,
.div_switch_register.green {
    background-color: #006666;
    color: #00ffff;
}

.div_switch_login {
    border-radius: 10px 0 0 0;
}

.div_switch_register {
    border-radius: 0 10px 0 0;
}

.a_forget_password {
    display: none;
}

.span_forget_password {
    display: inline-block;
    margin-bottom: 30px;
    color: #006666;
    cursor: pointer;
}

.div_register {
    display: none;
}

.div_logout {
    margin: 20px auto;
    text-align: center;
}

/* page not found */
.p_not_found {
    margin: 30px 0;
    text-align: center;
}

.div_search_not_found {
    max-width: 720px;
    margin: 30px auto;
    padding: 20px;
    text-align: center;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

#input_search_not_found {
    width: 95%;
    margin-bottom: 20px;
    padding: 10px 2%;
    font-size: 17px;
    border-radius: 4px;
}



/* footer */
footer {
    background-color: #006666;
    padding: 20px 10px;
    text-align: center;
    color: #00ffff;
}

aside {
    padding: 30px 0;
}

.logo_footer {
    width: 320px;
}

footer aside ul li a {
    display: block;
    padding: 14.5px;
    color: #00ffff;
}

.li_social_media a {
    display: inline-block;
    width: 26px;
    height: 26px;
    padding: 12px;
    margin: 1px;
}

.div_confirm {
    margin: 70px auto;
    text-align: center;
    color: #006666;
}

.div_accept {
    position: fixed;
    z-index: 1000;
    left: 0;
    bottom: 0;
    width: 100%;
}

.div_svg_accept svg {
    display: block;
    position: relative;
    left: 50%;
    width: 100%;
    height: 25px;
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
    fill: #003333;
}

.div_accept_content {
    background-color: #003333;
    color: #fff;
    letter-spacing: 0.3px;
    margin-top: -1px;
    padding: 10px;
}

.div_accept_content a {
    color: #00ffff;
}

.ok_accept {
    display: inline-table;
    padding: 5px 15px;
    background-color: #005555;
    color: #00ffff;
    font-size: 1.1rem;
    text-align: center;
    border-radius: 4px;
    margin: 10px 5px;
    cursor: pointer;
}

/* chat */
.button_chat {
    position: fixed;
    left: 4%;
    bottom: 1%;
    padding: 12px;
    width: 36px;
    height: 36px;
    z-index: 5;
    cursor: pointer;
}

.button_send_chat {
    float: right;
    width: 26px;
    padding: 12px;
}

.svg_msg {
    width: 22px;
    margin-right: 5px;
    margin-bottom: -3px;
}


@media only screen and (max-width: 359px) {
    .p_site_description {
        font-size: calc(7px + 1vw);
    }

    .div_svg2 {
        padding-top: 50px;
    }
}

@media screen and (min-width: 444px) {
    .div_next_previus_article {
        display: flex;
        justify-content: space-between;
        max-width: 1024px;
    }
}

@media screen and (min-width: 630px) {
    .nav_mobile {
        top: 25%;
    }

    .div_container_facade {
        padding-top: 180px;
    }

    .div_container_heading {
        padding: 80px 15px 40px 15px;
    }

    .section_categories ul,
    .ul_category {
        display: flex;
        -ms-flex-wrap: wrap;
        -webkit-flex-wrap: wrap;
        flex-wrap: wrap;
        justify-content: center;
    }

    .section_categories ul li {
        box-sizing: border-box;
        width: 50%;
    }

    .section_counters .div_general,
    footer div {
        display: flex;
        -ms-flex-wrap: nowrap;
        -webkit-flex-wrap: nowrap;
        flex-wrap: nowrap;
        justify-content: space-around;
    }

    .h2_general {
        font-size: 35px;
    }

    .section_counters div {
        margin-bottom: 0;
    }

    .section_counters div .p2 {
        margin-top: 15px;
    }

    .div_newsletter {
        margin: 70px auto;
    }

    .div_newsletter img {
        display: inline-block;
        width: 55%;
    }

    .div_newsletter form {
        display: inline-block;
        width: 43%;
    }

    .form_category {
        display: block !important;
        width: 100% !important;
    }

    .section_categories ul li.li_articles_category,
    .ul_category li.li_articles_category,
    .li_articles_category {
        box-sizing: border-box;
        width: calc(50% - 24px);
    }

    hr {
        width: 70%;
    }

    .logo_footer {
        width: 180px;
    }

    .div_accept,
    .div_svg_accept,
    .div_accept_content {
        display: block;
    }

    .div_accept_content {
        margin-top: -2px;
    }

    /* Installation guide — restore larger font on tablet/desktop */
    .section_installation_guide p {
        font-size: 29px;
    }
}

@media screen and (min-width: 1025px) {

    ul,
    .section_proverbs,
    .section_counters,
    footer div {
        max-width: 1440px;
        margin: 0 auto;
    }

    .div_logo_mobile {
        display: none;
    }

    .div_sticky_nav {
        height: 90px;
    }

    .div_svg1 {
        padding-top: 100px;
    }

    .img_nav_button {
        display: none;
    }

    .img_logo_desktop {
        width: 280px;
    }

    .nav_desktop ul li {
        display: inline-block;
        list-style-type: none;
        padding: 20px;
    }

    .nav_desktop ul li a {
        color: #fff;
        font-weight: 700;
        padding: 15px 0;
        position: relative;
    }

    .nav_desktop ul li a::after {
        position: absolute;
        content: "";
        width: 100%;
        height: 2px;
        bottom: 0;
        left: 0;
        background: #00ffff;
        -webkit-transition: transform 0.5s;
        transition: transform 0.5s;
        transform: scaleX(0);
    }

    .nav_desktop ul li a:hover {
        color: #00ffff;
    }

    .nav_desktop ul li a:hover::after {
        transform: scaleX(1);
    }

    .div_logo_desktop,
    .nav_desktop {
        display: inherit;
    }

    .div_logo_desktop a {
        display: inline-block;
        height: 48px;
    }

    .img_search1 {
        display: inline-block;
        width: 26px;
        height: auto;
        padding: 12px;
        cursor: pointer;
    }

    .left_div_sticky_nav {
        margin-left: 20px;
    }

    .right_div_sticky_nav {
        position: relative;
        margin-right: 8px;
    }

    .div_search_nav_desktop.show {
        display: flex;
    }

    .div_search_nav_desktop {
        -ms-flex-wrap: nowrap;
        -webkit-flex-wrap: nowrap;
        flex-wrap: nowrap;
        align-items: center;
        justify-content: space-evenly;
        position: absolute;
        background-color: rgba(0, 0, 0, 0.4);
        top: 50px;
        right: 40px;
        width: 260px;
        padding: 12px 10px 12px 20px;
        border-radius: 4px;
    }

    .div_search_nav_desktop input {
        width: 200px;
        padding: 5px 10px;
        font-size: 17px;
        border-radius: 4px;
    }

    .div_search_nav_desktop img {
        width: 26px;
        height: 26px;
        padding: 11px;
        cursor: pointer;
    }

    .p_site_description {
        font-size: 19px;
        margin-top: 10px;
    }

    .section_categories ul li {
        width: 33.33%;
    }



    .section_categories ul li.li_articles_category,
    .ul_category li.li_articles_category,
    .li_articles_category {
        width: calc(33.33% - 24px);
    }

    .h2_general {
        font-size: 46px;
    }

    .div_heading h1 {
        font-size: 4em;
    }

    .li_nav_article {
        font-size: 14px;
    }

    .div_bye {
        height: 630px;
    }

    .logo_footer {
        width: 320px;
    }

    .div_accept,
    .div_svg_accept,
    .div_accept_content {
        max-width: inherit;
        margin: inherit;
    }

    .div_accept_content {
        margin-top: -2px;
    }

    /* chat */
    .button_chat {
        width: 46px;
        height: 46px;
    }
}

/* Product Thumbnails */
.div_product_thumbnails {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    padding: 15px 15px 50px 15px;
    /* bottom padding to avoid overlapping the wavy SVG */
}

.img_product_thumbnail {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.img_product_thumbnail.active {
    border: 2px solid #00ffff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}


/* Tactile feedback for mobile */
@media (hover: none) {

    .a_button:active,
    .a_call_to_action:active {
        -webkit-transform: scale(0.95) !important;
        transform: scale(0.95) !important;
        opacity: 0.8;
    }
}

/* Article actions — layout 2x2 on very small screens */
@media screen and (max-width: 483px) {
    .div_article_actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto;
        gap: 12px 10px;
        padding: 0 15px;
        align-items: center;
    }

    .div_article_price_buy,
    .div_article_buttons {
        display: contents;
    }

    .span_article_price {
        grid-column: 1;
        grid-row: 1;
    }

    .a_share_button {
        grid-column: 2;
        grid-row: 1;
        justify-self: end;
    }

    .a_button_primary {
        grid-column: 1;
        grid-row: 2;
        text-align: center;
    }

    .a_button_secondary {
        grid-column: 2;
        grid-row: 2;
        text-align: center;
        justify-self: end;
    }
}

/* Installation Guide Section */
.section_installation_guide {
    padding: 70px 0 40px 0;
    background: linear-gradient(135deg, #6d7a7a 0%, #474f4f 100%);
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.section_installation_guide h2 {
    font-size: 32px;
    color: #ffffff;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.section_installation_guide p {
    max-width: 800px;
    font-size: 18px;
    font-weight: 500;
    line-height: 1.8em;
    letter-spacing: 0.7px;
    margin: 0 auto 35px auto;
    color: #f1f2f6;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.section_installation_guide a {
    display: inline-table;
    width: 114px;
    box-sizing: border-box;
    padding: 15px 30px;
    background-color: #006666;
    color: #00ffff;
    text-align: center;
    border: 1px solid #00ffff;
    border-radius: 4px;
}

.div_install_guide {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.div_install_guide h3 {
    font-size: 24px;
    font-weight: 700;
    line-height: 1.8em;
    letter-spacing: 0.7px;
    color: #006666;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.div_install_guide p {
    font-size: 18px;
    font-weight: 500;
    line-height: 1.8em;
    letter-spacing: 0.7px;
    text-align: left;
}

/* Favorites Feature styles */
.features-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px 0 10px 0;
    width: 100%;
    flex-wrap: wrap;
}
.favorite-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 15px 0;
    width: 100%;
}
.copyright-small {
    margin: 0 !important;
}
.btn_favorite {
    background: none !important;
    border: none !important;
    cursor: pointer !important;
    padding: 5px !important;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
    transition: transform 0.2s ease !important;
}
.btn_favorite:hover {
    transform: scale(1.2) !important;
}
.btn_favorite:active {
    transform: scale(0.9) !important;
}
.btn_favorite .heart-icon {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: #ff3f3f;
    stroke-width: 2;
    transition: fill 0.3s ease, stroke 0.3s ease;
}
.btn_favorite.is-favorite .heart-icon {
    fill: #ff3f3f;
    stroke: #ff3f3f;
}
.favorite-login-prompt {
    display: none;
    text-align: center;
    margin: 15px auto;
    padding: 12px 20px;
    background: rgba(255, 63, 63, 0.05);
    border: 1px solid rgba(255, 63, 63, 0.2);
    border-radius: 8px;
    max-width: 500px;
    width: 100%;
}
.favorite-login-prompt p {
    margin: 0 0 10px 0 !important;
    font-size: 15px;
    color: #d32f2f;
}
.favorite-login-prompt .button_login_redirect {
    padding: 8px 20px !important;
    font-size: 14px !important;
    width: auto !important;
    display: inline-block !important;
}

/* Favorites list on login.php */
.user-favorites-section {
    margin: 40px auto;
    padding: 24px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 4px 18px rgba(0, 102, 102, 0.1), 0 1px 4px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 200, 200, 0.15);
    max-width: 640px;
    text-align: left;
}
.user-favorites-section h2 {
    font-size: 22px !important;
    margin: 0 0 20px 0 !important;
    color: #006666 !important;
    text-shadow: none !important;
    text-align: center !important;
}
.no-favorites-msg {
    font-size: 16px;
    color: #777;
    text-align: center;
    margin: 20px 0;
}
.favorites-list {
    padding: 0 !important;
    margin: 0 !important;
    list-style: none !important;
}
.favorite-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(0, 102, 102, 0.1);
    transition: background-color 0.2s ease;
}
.favorite-item:last-child {
    border-bottom: none;
}
.favorite-item:hover {
    background-color: rgba(0, 255, 255, 0.03);
}
.favorite-item-link {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: #333;
    flex-grow: 1;
}
.favorite-item-img {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid #ddd;
}
.favorite-item-title {
    font-size: 16px;
    font-weight: 600;
    color: #006666;
    transition: color 0.2s ease;
}
.favorite-device-label {
    font-size: 14px;
    color: #888;
    font-weight: normal;
    margin-left: 8px;
}
.favorite-item-link:hover .favorite-item-title {
    color: #00aaaa;
}
.btn_remove_favorite {
    background: none !important;
    border: none !important;
    color: #ccc !important;
    font-size: 24px !important;
    cursor: pointer !important;
    padding: 5px 10px !important;
    line-height: 1 !important;
    transition: color 0.2s ease, transform 0.2s ease !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
}
.btn_remove_favorite:hover {
    color: #ff3f3f !important;
    transform: scale(1.2) !important;
}

/* ── SEO content block (between product list and newsletter) ── */
.div_seo_content {
    margin: 50px 0 30px 0;
    padding: 30px 30px 30px 36px;
    border-left: 4px solid #006666;
    background: linear-gradient(135deg, rgba(0, 102, 102, 0.05) 0%, rgba(0, 255, 255, 0.04) 100%);
    border-radius: 0 12px 12px 0;
}

.div_seo_content .h2_seo {
    font-size: 22px;
    font-weight: 700;
    color: #006666;
    text-shadow: 1px 1px 1px rgba(0, 255, 255, 0.3);
    margin: 0 0 20px 0;
    text-align: left;
}

.div_seo_content p {
    font-size: 18px;
    font-weight: 500;
    line-height: 1.8em;
    letter-spacing: 0.7px;
    color: #444;
    margin-bottom: 16px;
}

.div_seo_content p:last-child {
    margin-bottom: 0;
}

.div_seo_content strong {
    display: inline;
    color: #006666;
    font-weight: 700;
    margin: 0;
}

@media screen and (min-width: 768px) {
    .div_seo_content {
        padding: 36px 40px 36px 44px;
    }

    .div_seo_content .h2_seo {
        font-size: 24px;
    }

    /* paragraph style is consistent via base rule */
}