:root {
    --case-primary: #1f4f7a;
    --case-heading: #000;
    --case-text: #000;
    --case-border: #d8d8d8;
    --case-bg: #f5f5f5;
    --case-accent: #c20000;
    --container-width: 1200px;
}

.primary-btn {
    margin-top: auto;
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 26px;
    background: var(--case-primary);
    color: #fff;
    text-decoration: none;
    letter-spacing: -1px;
    text-transform: uppercase;
    font-weight: 700;
    font-size: clamp(16px, calc(14px + 4 * ((100vw - 320px) / 880)), 16px);
    border-radius: 20px;
    transition: .3s;
    width: auto;
    min-width: 200px;
    letter-spacing: 0.2px;
    border: 0;
}

.blog-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 312px;
    padding: 0 60px;
    overflow: hidden;
    filter: drop-shadow(0 5px 5px rgba(24, 23, 24, 0.55));
    background: linear-gradient(-90deg, #1f4e7a, #030303);
    color: #fff;
}

.blog-banner .container {
    position: relative;
    width: min(100% - 40px, var(--container-width));
    margin-inline: auto;
}

.blog-banner__content {
    position: relative;
    z-index: 2;
}

.blog-banner__content h1 {
    font-family: 'Futura', 'Poppins', 'Montserrat', Arial, sans-serif;
    font-weight: 800;
    font-size: clamp(32px, 3.5vw, 60px);
    line-height: 1;
    color: #fff;
    text-align: left;
    text-transform: uppercase;
}

.blog-banner__image {
    position: absolute;
    right: 0;
    top: -20px;
    /* top cutoff */
    bottom: -20px;
    /* bottom cutoff */
    width: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-banner__image img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.case-study-section {
    padding-block: clamp(60px, 8vw, 60px);
    /* font-family: "Futura PT", "Futura", "Trebuchet MS", sans-serif; */
}

.case-study-section .container {
    width: min(100% - 40px, var(--container-width));
    margin-inline: auto;
}

.case-study-section__title {
    margin: 0 auto;
    margin-bottom: clamp(34px, 5vw, 54px);
    text-align: center;
    text-transform: uppercase;
    font-weight: 700;
    line-height: 1.1;
    color: var(--case-heading);
    font-size: clamp(26px, calc(26px + 19 * ((100vw - 320px) / 880)), 34px);
}

.case-study-section__wrapper {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: clamp(20px, 4vw, 10px);
    align-items: start;
}

/* Sidebar */
.case-study-filter {
    position: sticky;
    top: 30px;
}

.case-study-filter__title {
    font-size: clamp(16px, calc(16px + 2 * ((100vw - 320px) / 880)), 18px);
    font-weight: 400;
    margin-bottom: 20px;
    color: #000;
    border: 1px solid #f5f5f5;
    padding: 10px;
    font-family: 'Futura Bold', 'Futura', 'Poppins', 'Montserrat', 'Arial', 'sans-serif;';
}

.custom-checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    margin-bottom: 14px;
    font-size: clamp(15px, calc(15px + 1 * ((100vw - 320px) / 880)), 16px);
    line-height: 1.4;
}

.custom-checkbox input {
    display: none;
}

.custom-checkbox__box {
    width: 18px;
    height: 18px;
    border: 1px solid #bdbdbd;
    background: #fff;
    position: relative;
    flex-shrink: 0;
    transition: .3s;
}

.custom-checkbox input:checked+.custom-checkbox__box {
    background: var(--case-primary);
    border-color: var(--case-primary);
}

.custom-checkbox input:checked+.custom-checkbox__box::after {
    content: "";
    position: absolute;
    left: 5px;
    top: 3px;
    width: 4px;
    height: 9px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
.case-study-section-btn {
    text-align: center;
    margin-top: 50px;
}

.case-study-section-btn button:hover{
        background-color: #ba2026;
    border-color: #ba2026 !important;
}
/* Card List */
.case-study-list {
    display: grid;
    gap: 24px;
}
.case-study-list a:hover{
    text-decoration: none;
}
.case-card {
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr);
    gap: clamp(20px, 3vw, 35px);
    padding: 14px;
    border-radius: 20px;
    filter: drop-shadow(2.536px 5.438px 4.5px rgba(6, 9, 13, 0.25));
    background-color: #efefef;
    transition: .3s ease;
    align-items: center;
}

.case-card:hover {
    transform: translateY(-3px);
    box-shadow:
        0 10px 25px rgba(0, 0, 0, .12);
}

.case-card__image {
    overflow: hidden;
}

.case-card__image img {
    display: block;
    width: 100%;
    height: 100%;
       max-height: 220px;
    object-fit: contain;
}

.case-card__content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding-block: 10px;
}

.case-card__title {
    margin: 0 0 12px;
    font-size: clamp(22px, calc(20px + 10 * ((100vw - 320px) / 880)), 26px);
    line-height: 1.1;
    font-weight: 700;
    text-transform: uppercase;
    color: #000;
    font-family: 'Futura Bold', 'Futura', 'Poppins', 'Montserrat', 'Arial', 'sans-serif;';
    padding-bottom: 0;
}

.case-card__content p {
    margin: 0;
    color: var(--case-text);
    font-size: clamp(15px, calc(15px + 2 * ((100vw - 320px) / 880)), 17px);
    line-height: 1.7;
    font-family: 'Arial', Helvetica, Arial, Lucida, sans-serif;
    margin-bottom: 15px;
}

.case-card__content strong {
    color: var(--case-accent);
    font-weight: 700;
}

.case-card__button {
    margin-top: auto;
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    background: var(--case-primary);
    color: #fff;
    text-decoration: none;
    letter-spacing: -1px;
    text-transform: uppercase;
    font-weight: 700;
    font-size: clamp(16px,
            calc(16px + 4 * ((100vw - 320px) / 880)),
            20px);
    border-radius: 20px;
    transition: .3s;
    width: auto;
    min-width: 210px;
    font-family: 'Futura Bold', 'Futura', 'Poppins', 'Montserrat', 'Arial', 'sans-serif;';
        letter-spacing: 0.3px;
}

.case-card__button:hover {
   background-color: #ba2026;
    border-color: #ba2026 !important;
    color: #fff;
    text-decoration: none;
}

.case-study-filter__inner {
    border: 1px solid #f5f5f5;
    padding: 10px;
}

.blog-detail-popup {
    padding: 40px 0 80px;
}

.blog-detail-popup .container {
    width: min(100% - 40px, var(--container-width));
    margin-inline: auto;


}

.blog-detail-popup__inner {
    padding: 40px;
    border-radius: 20px;
    filter: drop-shadow(2.536px 5.438px 4.5px rgba(6, 9, 13, 0.25));
    background: #efefef;
    position: relative;
    overflow: visible;
}

.blog-detail-popup__close {
    position: absolute;
    top: 8px;
    right: 10px;
    width: 20px;
    height: 20px;
    text-decoration: none;
    color: #666;
    font-size: 28px;
}
.blog-detail-popup__close:hover{
    text-decoration: none;
}
.blog-detail-popup__title {
    max-width:1310px;
    margin: 0 auto 40px;
    text-align: center;
    text-transform: uppercase;
    line-height: 1;
    font-weight: 700;
    font-size: clamp(26px, calc(26px + 12 * ((100vw - 320px) / 880)), 34px);
}

.blog-detail-popup__intro {
    display: grid;
    grid-template-columns: 1.5fr 1.5fr;
    gap: 35px;
    margin-bottom: 40px;
}

.blog-detail-popup__glance h3 {
    margin: 0 0 15px;
    font-size: 20px;
    font-weight: 700;

}

.blog-detail-popup__glance ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.blog-detail-popup__glance li strong {
    font-family: "Futura PT", "Futura", "Trebuchet MS", sans-serif;
}

.blog-detail-popup__glance li {
    margin-bottom: 8px;
    line-height: 1.5;
    font-family: 'Arial', Helvetica, Arial, Lucida, sans-serif;
}

.blog-detail-popup__hero img {
    width: 100%;
    display: block;
}
.blog-detail-popup__content div:first-child {
    margin-top: 0;
}
.blog-detail-popup__content div {
    padding-bottom: 22px;
    font-size: clamp(16px, calc(16px + 12 * ((100vw - 320px) / 880)), 20px) !important;
    font-size: 20px;
    line-height: 1.1;
    font-family: 'Arial', Helvetica, Arial, Lucida, sans-serif;
    margin-top: 43px;
}

.blog-detail-popup__content div strong {
    font-size: clamp(16px, calc(16px + 12 * ((100vw - 320px) / 880)), 22px);
    text-transform: uppercase;
    font-family: 'Futura Bold', 'Futura', 'Poppins', 'Montserrat', 'Arial', 'sans-serif;';
}

.blog-detail-popup__content p {
    margin: 0 0 9px;
    font-size: 14px;
    line-height: 1.7;
    font-family: 'Arial', Helvetica, Arial, Lucida, sans-serif;
    padding-bottom: 0;
}

.highlight-red {
    color: #c20000;
    font-weight: 700;
}

.highlight-blue {
    color: #000570;
    font-weight: 700;
}

/* Video */
.video-thumbnail {
    position: relative;
    cursor: pointer;
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 0;
    background: transparent;
    color: #fff;
    font-size: 80px;
    cursor: pointer;
}

.story-video {
    display: none;
    width: 100%;
}

/* Slider */
.blog-detail-slider {
    position: relative;
    max-width: 700px;
    margin: 50px auto 0;
}

.blog-detail-slider img {
    width: 100%;
    display: block;
}

.blog-detail-slider__prev,
.blog-detail-slider__next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 20;
    box-shadow: 0 5px 20px rgba(0, 0, 0, .15);
}

.blog-detail-slider__prev {
    left: -30px;
}

.blog-detail-slider__next {
    right: -30px;
}

.blog-detail-slider__prev::before {
    content: "❮";
    font-size: 22px;
    font-weight: 700;
}

.blog-detail-slider__next::before {
    content: "❯";
    font-size: 22px;
    font-weight: 700;
}

/* CTA */
.blog-detail-popup__actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 35px;
    flex-wrap: wrap;
}

.blog-detail-btn {
    margin-top: initial;
    margin-left: initial;
    padding: 12px 28px;
    font-weight: 700;
    max-width: initial;
    width: auto;
    letter-spacing: 0.2px;
        font-family: 'Futura Bold', 'Futura', 'Poppins', 'Montserrat', 'Arial', 'sans-serif;';
    letter-spacing: 0.3px;
}
.blog-detail-btn:hover{
    color: #fff;
    text-decoration: none;
    background-color: #ba2026;
    border-color: #ba2026 !important;
}

/* Tablet */
@media(max-width:991px) {
    .blog-detail-popup__hero iframe {
        height: 100%;
    }
    .blog-detail-popup__intro {
        grid-template-columns: 1fr;
            gap: 10px;
    margin-bottom: 20px;
    }
    .blog-detail-popup__content div{margin-top: 20px;}

    .blog-detail-slider {
        padding-inline: 20px;
            margin: 20px auto 0;
    }
    .blog-detail-btn{    padding: 12px 10px;}
    .case-study-section__wrapper {
        grid-template-columns: 1fr;
    }

    .case-study-filter {
        position: static;
        display: flex;
        flex-wrap: wrap;
        gap: 15px 25px;
        align-items: center;
    }

    .case-study-filter__title {
        width: 100%;
        margin-bottom: 10px;
    }

    .case-card {
        grid-template-columns: 280px 1fr;
    }
    .case-study-filter__inner {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        width: 100%;
    }

}
/* Mobile */
@media(max-width:767px) {
    .blog-detail-popup {
    padding: 40px 0 60px;
}

.blog-detail-popup__inner {
    padding: 30px;
}

.blog-detail-popup__actions {
    flex-direction: column;
}

.blog-detail-btn {
    width: auto;
}

.blog-detail-slider__prev {
    left: 0px;
}

.blog-detail-slider__next {
    right: 0px;
}

.blog-detail-slider__prev,
.blog-detail-slider__next {
    width: 42px;
    height: 42px;
}

.blog-banner {
    min-height: 250px;
    padding: 50px 0;
}

.blog-banner__content h1 {
    text-align: center;
    padding-bottom: 20px;
}

.blog-banner__image {
    position: initial;
    margin: 0 auto;
    width: 250px;
}

/* Responsive */

.case-study-section {
    padding-block: 60px;
}

.case-card {
    grid-template-columns: 1fr;
}

.case-card__image {
    aspect-ratio: 16/9;
}

.case-card__button {
    margin-top: 0px;
    margin-left: 0;
}

.case-study-filter {
    display: block;
}

.custom-checkbox {
    margin-bottom: 12px;
}
.case-card__content p,
.case-card__title{
    text-align: center;
}
.case-card__content{
    align-items: center;
}
.case-study-filter__inner {
    grid-template-columns: 1fr;
 }
}