/* Case Studies listing (/case-studies) and detail (/case-studies/{slug})
   pages. Loaded alongside index.css + legal.css (see
   siteController::caseStudies()) - reuses .legal-section/.legal-nav/
   .legal-header/.legal-card/.container-narrow from legal.css for the page
   chrome, and .case-studies-view-all-btn from index.css for the CTA. */

.container-wide {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.case-studies-page-subtitle {
    font-size: 1.1rem;
    opacity: 0.75;
    max-width: 680px;
    margin: 1.25rem auto 0;
    line-height: 1.6;
}

.case-studies-empty-note {
    text-align: center;
    opacity: 0.6;
    padding: 4rem 0;
    font-size: 1.1rem;
}

.case-studies-listing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.case-study-listing-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: #ffffff;
    border: 1px solid var(--border-alpha);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
    transition: all 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.case-study-listing-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary-teal);
    box-shadow: 0 20px 40px rgba(var(--primary-teal-rgb), 0.12);
}

.case-study-listing-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: var(--neutral-light);
}

.case-study-listing-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.case-study-listing-card:hover .case-study-listing-image img {
    transform: scale(1.04);
}

.case-study-listing-body {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.case-study-listing-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    padding: 0.3rem 0.7rem;
    background: rgba(var(--primary-teal-rgb), 0.1);
    color: var(--primary-teal);
    border: 1px solid rgba(var(--primary-teal-rgb), 0.25);
    border-radius: 6px;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
    align-self: flex-start;
}

.case-study-listing-title {
    font-size: 1.4rem;
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.case-study-listing-client {
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--primary-teal);
    opacity: 0.8;
    margin-bottom: 1.25rem;
}

.case-study-listing-summary {
    font-size: 0.95rem;
    opacity: 0.8;
    line-height: 1.65;
    margin-bottom: 1.5rem;
}

.case-study-listing-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 1.25rem;
    border-top: 1px dashed rgba(0, 0, 0, 0.08);
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--primary-teal);
}

.case-study-listing-card:hover .case-study-listing-link {
    color: var(--secondary-green);
}

/* Detail page */
.case-study-detail-hero-image {
    width: 100%;
    height: 440px;
    overflow: hidden;
    border-radius: 24px;
    margin-bottom: 3rem;
    border: 1px solid rgba(var(--primary-teal-rgb), 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.case-study-detail-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.case-study-detail-header .case-study-listing-tag {
    margin-bottom: 1.25rem;
}

.case-study-title-wrapper {
    display: inline-block;
    max-width: 100%;
}

.case-study-title-wrapper h1 {
    margin-bottom: 0.75rem;
}

.case-study-title-wrapper .header-accent {
    width: 100%;
}

.case-study-detail-client {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.5rem;
    background: rgba(var(--primary-teal-rgb), 0.06);
    border: 1px solid rgba(var(--primary-teal-rgb), 0.25);
    border-radius: 50px;
    font-size: 1.15rem;
    font-weight: 800;
    margin-top: 2rem;
    letter-spacing: 1.5px;
    color: var(--primary-teal);
}

.cs-detail-card {
    border-radius: 24px;
    padding: 3.5rem;
    background: #ffffff;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.04);
}

.case-study-detail-summary {
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.7;
    opacity: 0.9;
    margin-bottom: 3.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px dashed rgba(0, 0, 0, 0.08);
}

.cs-narrative-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}

.cs-block {
    background: #ffffff;
    border: 1px solid var(--border-alpha);
    border-radius: 16px;
    padding: 2.25rem;
    position: relative;
    transition: all 0.3s ease;
}

.cs-block:hover {
    border-color: rgba(var(--primary-teal-rgb), 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.cs-block-challenge {
    background: rgba(0, 0, 0, 0.015);
}

.cs-block-solution {
    background: #ffffff;
}

.cs-block-result {
    background: rgba(var(--primary-teal-rgb), 0.03);
    border: 1px solid rgba(var(--primary-teal-rgb), 0.15);
}

.cs-block .case-study-detail-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    margin-bottom: 1rem;
    color: var(--primary-teal);
    padding: 0.25rem 0.65rem;
    background: rgba(var(--primary-teal-rgb), 0.08);
    border-radius: 6px;
    border: 1px solid rgba(var(--primary-teal-rgb), 0.2);
}

.cs-block-challenge .case-study-detail-label {
    color: rgba(33, 33, 33, 0.7);
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.1);
}

.cs-block-solution .case-study-detail-label {
    color: var(--primary-teal);
    background: rgba(var(--primary-teal-rgb), 0.08);
    border-color: rgba(var(--primary-teal-rgb), 0.2);
}

.cs-block-result .case-study-detail-label {
    color: #2e7d32;
    background: rgba(76, 175, 80, 0.12);
    border-color: rgba(76, 175, 80, 0.25);
}

.cs-block p {
    font-size: 1rem;
    line-height: 1.75;
    margin: 0;
    color: var(--text-dark);
    opacity: 0.9;
}

.cs-detail-cta-row {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px dashed rgba(0, 0, 0, 0.08);
    display: flex;
    justify-content: center;
}

.case-study-detail-project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    background: linear-gradient(-70deg, var(--primary-teal), var(--secondary-green));
    color: #fff !important;
    border-radius: 50px;
    font-weight: 800;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    text-decoration: none !important;
    box-shadow: 0 10px 25px rgba(var(--primary-teal-rgb), 0.25);
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.case-study-detail-project-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(var(--primary-teal-rgb), 0.35);
}