/* Case study pages — itechvertical */

.case-study-hero {
    position: relative;
    min-height: 48vh;
    display: flex;
    align-items: flex-end;
    padding: calc(var(--nav-h, 72px) + 2rem) 0 3rem;
    color: #fff;
    overflow: hidden;
    background: var(--ink, #102018);
}

.case-study-hero-media {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.case-study-hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-study-hero-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(8, 22, 16, 0.4), rgba(8, 22, 16, 0.9));
}

.case-study-header {
    position: relative;
    z-index: 1;
    max-width: 760px;
}

.case-study-header h1 {
    font-family: var(--font-display, "Syne", sans-serif);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 0.6rem;
    color: #fff;
    -webkit-text-fill-color: #fff;
    background: none;
}

.case-study-header > p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
}

.case-study-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    margin-top: 1.5rem;
    color: rgba(255, 255, 255, 0.85);
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.9rem;
}

.meta-item i {
    color: #7fdcc0;
}

.case-study-content {
    padding: clamp(3rem, 6vw, 5rem) 0;
    background: transparent;
}

.content-grid {
    display: grid;
    grid-template-columns: 1.6fr 0.9fr;
    gap: 2rem;
    align-items: start;
}

.case-study-main h2,
.case-study-main h3 {
    font-family: var(--font-display, "Syne", sans-serif);
    letter-spacing: -0.02em;
    margin: 1.75rem 0 0.75rem;
    color: var(--ink, #102018);
}

.case-study-main h2 {
    font-size: 1.6rem;
}

.case-study-main h3 {
    font-size: 1.2rem;
}

.case-study-main p,
.case-study-main li {
    color: var(--muted, #6b7f74);
    line-height: 1.7;
}

.case-study-main ul {
    padding-left: 1.1rem;
    margin-bottom: 1rem;
}

.case-study-main li {
    margin-bottom: 0.4rem;
}

.case-study-images {
    margin-bottom: 1.5rem;
}

.case-study-image {
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 18px 50px rgba(16, 32, 24, 0.1);
    aspect-ratio: 16 / 10;
}

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

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin: 1.25rem 0;
}

.result-card {
    background: var(--bg-elevated, #fff);
    border: 1px solid var(--line, #d5e0d8);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
}

.result-card h4 {
    font-family: var(--font-display, "Syne", sans-serif);
    font-size: 1.5rem;
    color: var(--accent-deep, #0a6b53);
}

.result-card p {
    font-size: 0.82rem;
    color: var(--muted, #6b7f74);
    margin: 0.25rem 0 0;
}

.case-study-sidebar {
    display: grid;
    gap: 1rem;
    position: sticky;
    top: calc(var(--nav-h, 72px) + 1rem);
}

.sidebar-card {
    background: var(--bg-elevated, #fff);
    border: 1px solid var(--line, #d5e0d8);
    border-radius: 14px;
    padding: 1.25rem;
}

.sidebar-card h3 {
    font-family: var(--font-display, "Syne", sans-serif);
    margin-bottom: 0.75rem;
    font-size: 1.05rem;
}

.sidebar-card ul {
    list-style: none;
    display: grid;
    gap: 0.45rem;
}

.sidebar-card li {
    color: var(--muted, #6b7f74);
    font-size: 0.92rem;
}

.next-case-study {
    padding: clamp(3rem, 6vw, 4.5rem) 0;
    background: var(--ink, #102018);
    color: #fff;
    text-align: center;
}

.next-case-study h3 {
    font-family: var(--font-display, "Syne", sans-serif);
    font-size: 1.6rem;
    margin-bottom: 1rem;
}

.next-case-study .cta-button {
    display: inline-flex;
}

@media (max-width: 900px) {
    .content-grid {
        grid-template-columns: 1fr;
    }

    .case-study-sidebar {
        position: static;
    }

    .results-grid {
        grid-template-columns: 1fr;
    }
}