/* Case Studies listing — IDS Logic–inspired layout (main content only) */

.cs-hero {
    position: relative;
    min-height: 340px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #1a1a2e center / cover no-repeat;
    overflow: hidden;
}

.cs-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0.5) 100%);
}

.cs-hero__box {
    position: relative;
    z-index: 2;
    background: #e54b4b;
    padding: 36px 56px;
    text-align: center;
    max-width: 520px;
    margin: 48px 20px;
}

.cs-hero__box h1 {
    color: #fff;
    font-size: 2.4rem;
    font-weight: 700;
    margin: 0 0 8px;
    letter-spacing: 0.02em;
}

.cs-hero__breadcrumb {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
    font-size: 0.95rem;
}

.cs-hero__breadcrumb li {
    color: rgba(255, 255, 255, 0.92);
}

.cs-hero__breadcrumb a {
    color: #fff;
    text-decoration: none;
}

.cs-hero__breadcrumb a:hover {
    text-decoration: underline;
}

.cs-hero__breadcrumb li + li::before {
    content: "/";
    margin-right: 6px;
    opacity: 0.75;
}

/* Filter bar */
.cs-filters-wrap {
    background: #fff;
    border-bottom: 1px solid #e8ecf2;
    position: sticky;
    top: 0;
    z-index: 90;
    box-shadow: 0 2px 12px rgba(10, 22, 40, 0.06);
}

.cs-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    padding: 22px 15px;
    max-width: 1140px;
    margin: 0 auto;
}

.cs-filter-btn {
    border: 1px solid #c5cdd8;
    background: #fff;
    color: #1a2744;
    padding: 8px 18px;
    border-radius: 4px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
    white-space: nowrap;
    flex: 0 0 auto;
    min-width: max-content;
}

/* Mobile: type pills + technology dropdown (tech pills hidden) */
.cs-filters-mobile-tech {
    display: none;
}

.cs-filter-btn:hover,
.cs-filter-btn.is-active {
    background: #0a2744;
    border-color: #0a2744;
    color: #fff;
}

/* Case study cards */
.cs-list {
    padding: 0;
}

.cs-card {
    padding: 56px 0;
}

.cs-card--dark {
    background: #0a2744;
}

.cs-card--light {
    background: #f4f6f9;
}

.cs-card__inner {
    position: relative;
    display: flex;
    align-items: stretch;
    gap: 0;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
}

.cs-card--dark .cs-card__panel {
    background: #0a2744;
    border-radius: 12px;
    padding: 48px 40px 48px 48px;
    flex: 1 1 52%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
}

.cs-card--light .cs-card__panel {
    flex: 1 1 52%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 32px 24px 32px 40px;
    color: #1a2744;
}

.cs-card__media {
    flex: 1 1 48%;
    position: relative;
    min-height: 280px;
    max-width: 420px;
    aspect-ratio: 3 / 4;
    align-self: center;
}

.cs-card--dark .cs-card__media {
    padding-left: 24px;
}

.cs-card--light .cs-card__media {
    padding-right: 24px;
}

.cs-card__media img,
.cs-card__media picture,
.cs-card__media picture img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 8px;
    display: block;
    min-height: 280px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.cs-card--dark .cs-card__media img {
    border-radius: 0 8px 8px 0;
}

.cs-card__logo {
    position: absolute;
    z-index: 5;
    width: 110px;
    height: 110px;
    background: #fff;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    text-align: center;
    font-weight: 700;
    font-size: 0.78rem;
    line-height: 1.25;
    color: #0a2744;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.cs-card--dark .cs-card__logo {
    right: -55px;
    top: 50%;
    transform: translateY(-50%);
}

.cs-card--light .cs-card__logo {
    left: calc(48% - 55px);
    top: 50%;
    transform: translateY(-50%);
}

.cs-card__eyebrow {
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 10px;
    opacity: 0.85;
}

.cs-card--dark .cs-card__eyebrow {
    color: #7eb8ff;
}

.cs-card--light .cs-card__eyebrow {
    color: #e54b4b;
}

.cs-card__title {
    font-size: 1.65rem;
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 14px;
}

.cs-card--dark .cs-card__title {
    color: #fff;
}

.cs-card--light .cs-card__title {
    color: #0a2744;
}

.cs-card__title a {
    color: inherit;
    text-decoration: none;
}

.cs-card__title a:hover {
    text-decoration: underline;
}

.cs-card__summary {
    font-size: 1rem;
    line-height: 1.65;
    margin-bottom: 20px;
    opacity: 0.92;
}

.cs-card--light .cs-card__summary {
    color: #4a5568;
}

.cs-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
    list-style: none;
    padding: 0;
}

.cs-card__tags li {
    font-size: 0.78rem;
    padding: 5px 12px;
    border-radius: 3px;
    font-weight: 600;
}

.cs-card--dark .cs-card__tags li {
    background: rgba(255, 255, 255, 0.12);
    color: #dce8f5;
}

.cs-card--light .cs-card__tags li {
    background: #e2e8f0;
    color: #334155;
}

.cs-card__btn {
    display: inline-block;
    background: #e54b4b;
    color: #fff !important;
    padding: 12px 28px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    text-transform: none;
    align-self: flex-start;
    transition: background 0.2s;
}

.cs-card__btn:hover {
    background: #c93d3d;
    color: #fff;
}

.cs-card.is-hidden {
    display: none;
}

/* Testimonial strip */
.cs-testimonial {
    background: #f4f6f9;
    padding: 64px 0;
}

.cs-testimonial__title {
    text-align: center;
    font-size: 1.75rem;
    font-weight: 700;
    color: #0a2744;
    margin-bottom: 36px;
}

.cs-testimonial__slide {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: flex-start;
    gap: 32px;
    padding: 0 20px;
}

.cs-testimonial__avatar {
    flex-shrink: 0;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    overflow: hidden;
}

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

.cs-testimonial__quote {
    font-size: 1.05rem;
    line-height: 1.7;
    color: #334155;
    font-style: italic;
    margin: 0 0 16px;
}

.cs-testimonial__author {
    font-weight: 700;
    color: #0a2744;
    margin: 0;
}

.cs-testimonial__role {
    font-size: 0.9rem;
    color: #64748b;
    margin: 4px 0 0;
}

.cs-testimonial__link {
    text-align: center;
    margin-top: 28px;
}

.cs-testimonial__link a {
    color: #e54b4b;
    font-weight: 600;
    text-decoration: none;
}

.cs-testimonial__link a:hover {
    text-decoration: underline;
}

/* Client logos band */
.cs-clients-band {
    background: #2bb8c4;
    padding: 48px 0;
    text-align: center;
}

.cs-clients-band h2 {
    color: #fff;
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 28px;
}

.cs-clients-band__logos {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 32px 48px;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
}

.cs-clients-band__logos img {
    max-height: 44px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.92;
}

.cs-clients-band__logos picture {
    display: inline-block;
    line-height: 0;
}

.cs-clients-band__logos picture img {
    max-height: 44px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.92;
}

/* CTA */
.cs-cta {
    padding: 72px 20px;
    text-align: center;
    background: #fff;
}

.cs-cta h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #0a2744;
    margin-bottom: 12px;
}

.cs-cta p {
    color: #64748b;
    margin-bottom: 28px;
    font-size: 1.05rem;
}

.cs-cta__btn {
    display: inline-block;
    background: #e54b4b;
    color: #fff !important;
    padding: 14px 36px;
    border-radius: 4px;
    font-weight: 700;
    text-decoration: none;
    font-size: 1rem;
}

.cs-cta__btn:hover {
    background: #c93d3d;
    color: #fff;
}

/* Responsive */
@media (max-width: 991px) {
    .cs-card__inner {
        flex-direction: column;
    }

    .cs-card--dark .cs-card__inner {
        flex-direction: column-reverse;
    }

    .cs-card--dark .cs-card__panel,
    .cs-card--light .cs-card__panel {
        padding: 32px 20px;
    }

    .cs-card--dark .cs-card__media,
    .cs-card--light .cs-card__media {
        padding: 0 20px;
    }

    .cs-card__logo {
        width: 88px;
        height: 88px;
        font-size: 0.7rem;
    }

    .cs-card--dark .cs-card__logo {
        right: 24px;
        top: auto;
        bottom: -44px;
        transform: none;
    }

    .cs-card--light .cs-card__logo {
        left: auto;
        right: 24px;
        top: auto;
        bottom: -44px;
        transform: none;
    }

    .cs-card__media {
        margin-bottom: 32px;
        max-width: 100%;
    }

    .cs-testimonial__slide {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 991px) {
    .cs-filters--primary {
        justify-content: flex-start;
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x proximity;
        padding-left: 15px;
        padding-right: 15px;
        scrollbar-width: thin;
    }

    .cs-filters--primary::-webkit-scrollbar {
        height: 4px;
    }

    .cs-filters--primary::-webkit-scrollbar-thumb {
        background: #c5cdd8;
        border-radius: 4px;
    }
}

@media (max-width: 767px) {
    .cs-hero__box {
        padding: 28px 32px;
    }

    .cs-hero__box h1 {
        font-size: 1.85rem;
    }

    .cs-filters-wrap {
        padding-bottom: 0;
    }

    /* Hide crowded technology pills on small screens */
    .cs-filter-btn--tech {
        display: none !important;
    }

    .cs-filters--primary {
        padding-top: 16px;
        padding-bottom: 12px;
        gap: 8px;
    }

    .cs-filter-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .cs-filters-mobile-tech {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 0 15px 16px;
        border-bottom: 1px solid #e8ecf2;
        background: #fff;
    }

    .cs-filters-mobile-tech__label {
        flex-shrink: 0;
        margin: 0;
        font-size: 0.85rem;
        font-weight: 700;
        color: #0a2744;
        text-transform: uppercase;
        letter-spacing: 0.04em;
    }

    .cs-filters-mobile-tech__select {
        flex: 1;
        min-width: 0;
        width: 100%;
        padding: 12px 40px 12px 14px;
        border: 1px solid #c5cdd8;
        border-radius: 4px;
        font-size: 1rem;
        font-weight: 600;
        color: #0a2744;
        background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%230a2744' d='M1.4.4 6 5l4.6-4.6L12 2l-6 6-6-6z'/%3E%3C/svg%3E") no-repeat right 14px center;
        appearance: none;
        -webkit-appearance: none;
    }

    .cs-card {
        padding: 40px 0;
    }

    .cs-card__title {
        font-size: 1.35rem;
    }
}