/* ==========================================================================
   Case Study Page Styles
   Long-form layout built on top of the shared service page styles.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.case-study-hero .service-hero-content {
    max-width: 860px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.9rem;
}

.case-study-back {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.case-study-back:hover {
    color: var(--color-accent);
}

.case-study-back-arrow {
    transition: transform 0.2s var(--timing-bounce);
}

.case-study-back:hover .case-study-back-arrow {
    transform: translateX(-3px);
}

.case-study-hero .service-title {
    margin-bottom: 0;
    font-size: clamp(1.85rem, 5vw, 3rem);
    line-height: 1.12;
}

.case-study-summary {
    max-width: 620px;
    font-size: clamp(1rem, 2.4vw, 1.15rem);
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Facts strip
   -------------------------------------------------------------------------- */

/* Matches the box model of .case-study-page .service-section so the strip
   lines up with the body copy rather than the section edge */
.case-study-facts {
    width: 100%;
    max-width: 780px;
    padding: 1.5rem 2rem 0;
    opacity: 0;
    animation: fadeInUp 0.6s var(--timing-smooth) 0.15s forwards;
}

.case-study-facts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1px;
    background: var(--color-border);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
}

.case-study-fact {
    background: rgba(28, 33, 40, 0.7);
    padding: 1rem 1.25rem;
}

.case-study-fact-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.4rem;
}

.case-study-fact-value {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--color-text);
}

/* --------------------------------------------------------------------------
   Hero figure
   -------------------------------------------------------------------------- */

.case-study-figure {
    width: 100%;
    max-width: 780px;
    margin: 0;
    padding: 2rem 2rem 0;
    opacity: 0;
    animation: fadeInUp 0.6s var(--timing-smooth) 0.25s forwards;
}

.case-study-figure-frame {
    aspect-ratio: 21 / 9;
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: 14px;
    background: var(--color-surface);
}

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

/* Process / diagram figures need the full image visible — no crop */
.case-study-figure--diagram .case-study-figure-frame {
    aspect-ratio: auto;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    background: #050a15;
}

.case-study-figure--diagram .case-study-figure-image {
    width: 100%;
    height: auto;
    min-width: 640px;
    object-fit: contain;
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */

.case-study-page .service-section {
    max-width: 780px;
    padding: 3.25rem 2rem;
}

.case-study-page .service-section .section-description strong {
    color: var(--color-text);
    font-weight: 600;
}

/* Opening paragraphs read as a lede rather than body copy */
.case-study-lede {
    padding-top: 2.5rem;
}

.case-study-lede .section-description {
    font-size: clamp(1.0625rem, 2.4vw, 1.1875rem);
    line-height: 1.8;
}

.case-study-lede .section-description:first-child {
    color: var(--color-text);
    font-weight: 300;
}

/* Copy that follows a card grid needs clear separation from the last card */
.section-description--after-block {
    margin-top: 2rem;
}

.case-study-list {
    margin-top: 0.9rem;
    padding-left: 1.4rem;
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--color-text-muted);
}

.case-study-list li + li {
    margin-top: 0.35rem;
}

.case-study-list li::marker {
    color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Point cards
   -------------------------------------------------------------------------- */

.case-study-points {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.75rem;
}

/* Let an odd final card fill the row rather than leaving it stranded */
.case-study-points > .case-study-point:nth-child(odd):last-child {
    grid-column: 1 / -1;
}

.case-study-point {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.35rem 1.5rem;
    transition: border-color 0.3s var(--timing-smooth),
                transform 0.3s var(--timing-smooth),
                box-shadow 0.3s var(--timing-smooth);
}

.case-study-point:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.case-study-point-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.6rem;
}

.case-study-point .section-description {
    font-size: 0.9375rem;
    line-height: 1.65;
}

.case-study-point .section-description-spaced {
    margin-top: 0.7rem;
}

/* Outcome cards read as results, so they take the green accent used elsewhere */
.case-study-points--outcomes .case-study-point {
    border-left: 3px solid rgba(72, 187, 120, 0.45);
}

.case-study-points--outcomes .case-study-point:hover {
    border-color: rgba(72, 187, 120, 0.5);
}

.case-study-points--outcomes .case-study-point-title {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.case-study-points--outcomes .case-study-point-title::before {
    content: '✓';
    flex-shrink: 0;
    color: #48bb78;
    font-size: 0.8rem;
    font-weight: 700;
}

/* --------------------------------------------------------------------------
   Callout
   -------------------------------------------------------------------------- */

.case-study-callout {
    margin-top: 1.5rem;
    padding: 1.75rem 2rem;
    background: linear-gradient(
        135deg,
        rgba(66, 153, 225, 0.09) 0%,
        rgba(28, 33, 40, 0.6) 60%
    );
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent);
    border-radius: 14px;
}

.case-study-callout .section-description:first-child {
    font-size: clamp(1.0625rem, 2.4vw, 1.1875rem);
    color: var(--color-text);
    font-weight: 300;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 768px) {
    .case-study-page .service-section {
        padding: 2.25rem 1rem;
    }

    .case-study-lede {
        padding-top: 1.5rem;
    }

    .case-study-facts {
        padding: 1.25rem 1rem 0;
    }

    .case-study-figure {
        padding: 1.5rem 1rem 0;
    }

    .case-study-figure-frame {
        aspect-ratio: 4 / 3;
    }

    .case-study-figure--diagram .case-study-figure-frame {
        aspect-ratio: auto;
    }

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

    .case-study-callout {
        padding: 1.35rem 1.25rem;
    }
}