/**
 * Case Studies Section Block Styles
 *
 * Full-width grey section with a centered heading, a short 4px accent line and
 * a grid of case-study cards (three per row). Each card has an image on a
 * gradient background, title, service name, client and a gradient "Discover
 * more" bar.
 *
 * Reference design: child-theme-sections-screenshots/case-studies-section.png
 *
 * @package ACF Child Theme
 */

:root {
    --color-grey: #f3f3f3;
    --color-navy: #0d1e3b;
    --color-teal: #17abc1;
    --color-text: #252525;
    --color-blue: #004e95;
    --color-white: #ffffff;
    --font-primary: 'Montserrat', sans-serif;
}

/* Section wrapper - full-width grey background
   ========================================================================== */
.case-studies-section {
    width: 100%;
    margin: 0;
    padding: 70px 0;
    background-color: var(--color-grey, #f3f3f3);
    font-family: var(--font-primary), 'Montserrat', sans-serif;
}

.case-studies-section__container {
    max-width: var(--theme-normal-container-max-width, 1290px);
    width: var(--theme-container-width, 100%);
    margin: 0 auto;
    padding: 0 20px;
}

/* Heading + accent line
   ========================================================================== */
.case-studies-section__title {
    margin: 0 0 18px 0;
    font-family: var(--font-primary), 'Montserrat', sans-serif;
    font-size: 30px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-navy, #0d1e3b);
    text-align: center;
}

.case-studies-section__line {
    display: block;
    width: 60px;
    height: 4px;
    margin: 0 auto 45px auto;
    background-color: var(--color-teal, #17abc1);
}

/* Grid - three cards per row
   ========================================================================== */
.case-studies-section__grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* Card
   ========================================================================== */
.case-studies-section__card {
    display: flex;
}

/* The whole card links to the case study post. */
.case-studies-section__card-link {
    display: flex;
    flex-direction: column;
    width: 100%;
    background-color: var(--color-white, #ffffff);
    border-radius: 10px;
    box-shadow: 0 6px 22px rgba(13, 30, 59, 0.1);
    overflow: hidden;
    text-decoration: none;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.case-studies-section__card-link:hover,
.case-studies-section__card-link:focus-visible {
    outline: none;
    box-shadow: 0 12px 30px rgba(13, 30, 59, 0.16);
    transform: translateY(-3px);
}

/* Image on gradient background
   ========================================================================== */
.case-studies-section__media {
    background: linear-gradient(135deg, var(--color-teal, #17abc1), var(--color-blue, #004e95));
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.case-studies-section__image {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 4px 4px 0 0;
}

/* Card body
   ========================================================================== */
.case-studies-section__body {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 24px 22px 26px;
}

.case-studies-section__card-title {
    margin: 0 0 12px 0;
    font-family: var(--font-primary), 'Montserrat', sans-serif;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-navy, #0d1e3b);
}

.case-studies-section__service {
    margin: 0 0 14px 0;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.5;
    color: var(--color-teal, #17abc1);
}

.case-studies-section__client {
    margin: 0;
    font-size: 13px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-text, #252525);
}

/* Gradient "Discover more" bar at the bottom of the card
   ========================================================================== */
.case-studies-section__link {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: 15px 20px;
    background: linear-gradient(to right, var(--color-teal, #17abc1), var(--color-blue, #004e95));
    color: var(--color-white, #ffffff);
    font-family: var(--font-primary), 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.case-studies-section__link:hover,
.case-studies-section__link:focus-visible {
    background: var(--color-navy, #0d1e3b);
    color: var(--color-white, #ffffff);
    outline: none;
}

.case-studies-section__link-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
}

.case-studies-section__link-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* Responsive - Tablet (two per row)
   ========================================================================== */
@media (min-width: 769px) and (max-width: 1023px) {
    .case-studies-section {
        padding: 60px 0;
    }

    .case-studies-section__title {
        font-size: 26px;
    }

    .case-studies-section__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 26px;
    }
}

/* Responsive - Mobile (one per row)
   ========================================================================== */
@media (max-width: 768px) {
    .case-studies-section {
        padding: 50px 0;
    }

    .case-studies-section__title {
        font-size: 22px;
    }

    .case-studies-section__line {
        margin-bottom: 36px;
    }

    .case-studies-section__grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .case-studies-section__card {
        max-width: 420px;
        margin: 0 auto;
        width: 100%;
    }
}