.gallery-section {
    margin-block: 4rem 5rem;
}
.tabs-nav__list {
    border-bottom: solid 1px #e7e7e7;
    padding-bottom: 1.4rem;
    margin-bottom: 1.4rem;
}
.tabs-panel__title {
    font-size: 5rem;
    font-weight: 800;
    letter-spacing: -4px;
    width: 60%;
}
.tabs-panel__text {
    font-size: 1rem;
    width: 40%;
}
.tabs-panel {
    display: none;
    animation: fadeIn 0.5s ease;
    width: 100%;
}
.tabs-panel.is-active {
    display: block;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.container-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}
.gallery-card {
    cursor: pointer;
}
.gallery-card__caption {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}
.gallery-card__image {
    width: 100%;
    -webkit-user-drag: none;
    user-drag: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
select,
::picker(select) {
    appearance: base-select;
    border: none;
    position: relative;
    border-radius: 1rem;
    top: .4rem;
}
select::picker-icon{
    display: none;
}
.option-selected {
    width: 100%;
}
option:checked  {
    color: #b4b4b4;
    cursor: auto;
}
option:checked:hover {
    background-color: #f0f0f0;
}
.bi-caret-down-fill {
    width: 1rem;
    transform: rotate(180deg);
    transition: transform 300ms ease-in-out;
}
.bi-caret-down-fill {
    :open & {
        transform: rotate(0deg);
    }
}
.sub-tabs-nav {
    padding: 0.8rem 1.2rem;
    width: 16rem;
    margin-block: 3rem 4rem;
    background: #f0f0f0;
    border: solid 2px white;
    box-shadow: rgba(9, 30, 66, 0.25) 0px 4px 8px -2px, rgba(9, 30, 66, 0.08) 0px 0px 0px 1px;
    font: inherit;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 1rem;
    outline: none;
    cursor: pointer;
    gap: 0;
}
option {
    padding: 0.8rem 1.2rem;
    color: #212529;
    display: block;
    box-sizing: border-box;
    cursor: pointer;
    border: solid 2px transparent;
    background: #f0f0f0;
    margin-bottom: .2rem;
    width: 16rem;
    transition: all 100ms linear;
}
option:hover {
    background-color: #dddddd;
}
option::checkmark {
    content: "";
}
.tabs-nav__item {
    width: 30%;
}
.tabs-nav__button{
    width: 100%;
    padding: .8rem 0rem;
    display: inline-block;
    border-radius: 10rem;
    font-size: 1rem;
    font-weight: 400;
    border: solid 2px white;
    box-shadow: rgba(9, 30, 66, 0.25) 0px 4px 8px -2px, rgba(9, 30, 66, 0.08) 0px 0px 0px 1px;
    transition: all 300ms linear;
}
.tabs-nav__button:hover {
    background: #fdfdfd;
}
.tabs-nav__button.is-active {
    background: #212529;
    color: white;
}
.sub-panel {
    display: none;
    animation: fadeIn 0.5s ease;
}
.sub-panel.is-active {
    display: block; 
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1200px) {
    .category-title{
        font-size: 2rem;
    }    
    .main-nav__item {
        margin-inline: 0 !important;
    }   
    .category-subgrid {
        height: auto !important;
    }
    .about-container {
       gap: 3rem !important;
    }
    .about-title__header {
        font-size: 3.6rem !important; 
    }
    .skill-card__icon-wrapper { 
        width: 18% !important;
    }
    .skill-card__content {
        width: 82% !important;
    }
    .clients__logo {
        width: 16rem !important;
    }
    .product-card__spec-item {
        gap: .6rem !important;
    }
    .product-card__img {
        height: auto;
        width: 100%;
    }
    .section-nav__title {
        font-size: 3rem;
    }
    .about-container {
        height: 650px;
        overflow: hidden;
    }
}
@media (max-width: 1000px) {
    .container-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .tabs-panel__title {
        font-size: 4rem;
        letter-spacing: -2px;
    }
    .sub-tabs-nav {
        margin-block: 2rem 3.8rem;
    }
    .sub-tabs-nav, option {
        width: 18rem;
    }
}
@media (max-width: 750px) {
    .container-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .tabs-panel__title {
        font-size: 4rem;
        letter-spacing: -2px;
    }
    .tabs-panel__text {
        display: none;
    }
    .tabs-nav__button {
        width: 100%;
    }
    .tabs-panel__title {
        width: 100%;
        text-align: center;
        font-size: 4rem;
    }
}
@media (max-width: 600px) {
}
@media (max-width: 500px) {
    .header-top {
        display: none !important;
    }
    .tabs-panel__title {
        font-size: 3.4rem;
    }
    .sub-tabs-nav {
        margin-block: 2rem 3.6rem;
    }
    .tabs-nav__list {
        gap: 1rem 1rem;
    }
    .container-grid {
        gap: .5rem;
    }
}
@media (max-width: 450px) {
    .tabs-nav__item {
        width: 32%;
    }
}
@media (max-width: 440px) {
    .tabs-nav__item {
        width: 100%;
    }
    .tabs-nav__list {
        display: grid !important;        
        grid-template-columns: repeat(1, 1fr);
        gap: 1rem 2rem;
    }
}
@media (max-width: 300px) {
    .container-grid {
        grid-template-columns: repeat(1, 1fr);
    }
    .tabs-nav__list {
        display: grid !important;        
        grid-template-columns: repeat(1, 1fr);
        gap: 1rem 2rem;
    }
    .sub-tabs-nav, option {
        width: 100%;
    }
}