/* =========================================================================
   Case study — individual post styling. Extends style.css.
   ========================================================================= */

.cs-page { padding: 2.5rem 0 4rem; }

.cs-article {
    max-width: 760px;
}

.cs-breadcrumb {
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
    display: flex;
    gap: 0.4rem;
    align-items: center;
}
.cs-breadcrumb a {
    color: var(--color-muted);
    text-decoration: none;
}
.cs-breadcrumb a:hover { color: var(--color-accent); }

.cs-header {
    margin-bottom: 1.5rem;
}

.cs-eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 0.6rem;
}

.cs-header h1 {
    font-size: clamp(1.8rem, 3vw + 1rem, 2.8rem);
    line-height: 1.2;
    margin-bottom: 0.6rem;
}

.cs-meta {
    font-size: 0.9rem;
    margin: 0;
}

.cs-hero {
    margin: 0 0 2rem;
}
.cs-hero img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    background: var(--color-soft-bg);
    box-shadow: var(--shadow-lg);
}

.cs-body {
    font-size: 1.05rem;
    line-height: 1.75;
}
.cs-body h2 {
    font-size: 1.4rem;
    margin-top: 2rem;
    margin-bottom: 0.8rem;
    color: var(--color-charcoal);
}
.cs-body p {
    margin-bottom: 1.1rem;
}
.cs-body ul {
    margin: 0 0 1.1rem 1.5rem;
}
.cs-body li {
    margin-bottom: 0.4rem;
}
.cs-body code {
    background: var(--color-soft-bg);
    padding: 0.08rem 0.4rem;
    border-radius: 3px;
    font-size: 0.92em;
}
.cs-body a {
    color: var(--color-accent);
    font-weight: 500;
}

.cs-cta {
    margin: 2.5rem 0 0;
    padding: 1.8rem;
    background: var(--color-soft-bg);
    border-left: 4px solid var(--color-accent);
    border-radius: 8px;
}
.cs-cta h3 {
    margin: 0 0 0.5rem;
}
.cs-cta p {
    margin: 0 0 1rem;
    color: var(--color-muted);
}

.cs-related {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}
.cs-related h2 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}
.cs-related-grid {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0.8rem;
}
.cs-related-grid a {
    display: block;
    padding: 0.8rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    text-decoration: none;
    color: var(--color-text);
    transition: border-color 0.15s, transform 0.15s;
}
.cs-related-grid a:hover {
    border-color: var(--color-accent);
    transform: translateY(-1px);
}
.cs-related-grid strong {
    display: block;
    margin-bottom: 0.2rem;
    font-size: 0.92rem;
    line-height: 1.35;
}
.cs-related-grid .muted {
    font-size: 0.8rem;
}

/* Case-study card grid — used on /work.html */
.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
}
.cs-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    background: var(--color-bg);
    text-decoration: none;
    color: inherit;
    transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
}
.cs-card:hover {
    transform: translateY(-2px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
}
.cs-card.cs-card-featured {
    border-color: var(--color-accent);
}
.cs-card-hero {
    aspect-ratio: 16 / 10;
    background: var(--color-soft-bg);
    overflow: hidden;
}
.cs-card-hero img {
    width: 100%; height: 100%; object-fit: cover; display: block;
}
.cs-card-hero-noimg {
    background: linear-gradient(135deg, var(--color-soft-bg) 0%, rgba(0,102,204,0.08) 100%);
}
.cs-card-body {
    padding: 1rem 1.1rem 1.1rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.cs-card-device {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
}
.cs-card-body h3 {
    font-size: 1.05rem;
    margin: 0;
    line-height: 1.35;
}
.cs-card-body p {
    margin: 0;
    font-size: 0.88rem;
    color: var(--color-muted);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.cs-card-cta {
    margin-top: auto;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent);
    padding-top: 0.3rem;
}