/* ============================================================
   Case Study pages -- inherits tokens from ../styles.css
   ============================================================ */

/* Reuses .demo-body .demo-nav .demo-main .demo-bg .demo-container
   from the site-wide stylesheet. Only case-study content styles live here. */

/* ============================================================
   Hero
   ============================================================ */
.cs-hero {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 64px;
}
.cs-hero .section-label { margin-bottom: 16px; }

.cs-title {
    font-size: clamp(2.2rem, 5.5vw, 3.6rem);
    letter-spacing: -0.03em;
    margin-bottom: 18px;
    font-family: var(--ff-display);
    line-height: 1.05;
}

.cs-tagline {
    color: var(--text-1);
    font-size: 1.05rem;
    line-height: 1.78;
    max-width: 600px;
    margin: 0 auto 28px;
}

.cs-stack {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
}
.cs-tag {
    font-family: var(--ff-mono);
    font-size: 0.7rem;
    color: var(--text-1);
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    padding: 5px 12px;
    border-radius: 100px;
    letter-spacing: 0.03em;
}

.cs-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

/* ============================================================
   Article
   ============================================================ */
.cs-article {
    max-width: 700px;
    margin: 0 auto;
}

.cs-section {
    margin-bottom: 60px;
}

.cs-section-eyebrow {
    font-family: var(--ff-mono);
    font-size: 0.68rem;
    color: var(--cyan);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 10px;
    opacity: 0.85;
    display: block;
}

.cs-section-heading {
    font-family: var(--ff-display);
    font-size: 1.55rem;
    font-weight: 600;
    color: var(--text-0);
    margin-bottom: 22px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.cs-prose {
    color: var(--text-1);
    font-size: 1rem;
    line-height: 1.88;
}
.cs-prose p { margin-bottom: 20px; }
.cs-prose p:last-child { margin-bottom: 0; }

.cs-callout {
    background: rgba(34,211,238,0.04);
    border: 1px solid rgba(34,211,238,0.18);
    border-left: 3px solid var(--cyan);
    border-radius: 0 var(--r-sm) var(--r-sm) 0;
    padding: 18px 22px;
    margin: 28px 0;
    color: var(--text-1);
    font-size: 0.95rem;
    line-height: 1.78;
}

.cs-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 60px 0;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 600px) {
    .cs-title { font-size: 2rem; }
    .cs-tagline { font-size: 0.95rem; }
    .cs-section-heading { font-size: 1.3rem; }
    .demo-main { padding: 32px 0 56px; }
}