/* ─── Work / Case Studies page ───────────────────────────────────────────── */

/* active nav link */
.nav-active {
    color: var(--text) !important;
    background: rgba(255, 255, 255, 0.07) !important;
}

/* ─── Page hero ──────────────────────────────────────────────────────────── */
.work-hero {
    position: relative;
    min-height: 44vh;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    padding: 0 28px 72px;
}

.work-hero .orb-1 { opacity: 0.18; top: -80px; left: -60px; }
.work-hero .orb-2 { opacity: 0.14; bottom: -60px; right: -60px; }

.work-hero-content {
    position: relative;
    z-index: 2;
    max-width: var(--max-w);
    margin: 0 auto;
    width: 100%;
    padding-top: var(--nav-h);
}

.work-hero-content h1 {
    font-size: clamp(2.4rem, 6vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--text);
    margin-bottom: 16px;
    line-height: 1.1;
}

.work-hero-content > p {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 520px;
    line-height: 1.7;
}

/* ─── Main layout ────────────────────────────────────────────────────────── */
.work-main {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 20px 28px 80px;
}

/* ─── Case study ─────────────────────────────────────────────────────────── */
.case-study { padding: 56px 0; }

.cs-header { margin-bottom: 40px; }

.cs-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}

.cs-industry {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ind-color, var(--accent-light));
    padding: 4px 12px;
    border-radius: 100px;
    background: color-mix(in srgb, var(--ind-color, var(--accent-light)) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--ind-color, var(--accent-light)) 25%, transparent);
}

.cs-year {
    font-size: 0.78rem;
    color: var(--text-faint);
    font-weight: 500;
}

.case-study h2 {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-bottom: 16px;
    line-height: 1.2;
}

.cs-intro {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.78;
    max-width: 680px;
}

/* 3-column body */
.cs-cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 32px;
    margin-bottom: 28px;
}

.cs-col h3 {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent-light);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cs-col h3::before {
    content: '';
    width: 14px;
    height: 2px;
    background: var(--accent-light);
    border-radius: 2px;
    flex-shrink: 0;
}

.cs-col p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.78;
}

/* metrics */
.cs-metrics {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.cs-metrics li {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border);
}

.cs-metrics li:last-child { border-bottom: none; padding-bottom: 0; }

.metric-num {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text);
    line-height: 1;
}

.metric-unit {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-light);
}

.metric-label {
    font-size: 0.78rem;
    color: var(--text-faint);
    line-height: 1.4;
}

/* footer row */
.cs-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.cs-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.stack-tag {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-hover);
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 6px;
    letter-spacing: 0.02em;
}

.cs-cta {
    color: var(--accent-light);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
    transition: color 0.2s, gap 0.2s;
    flex-shrink: 0;
}

.cs-cta:hover { color: var(--cyan); gap: 9px; }

.cs-divider {
    height: 1px;
    background: var(--border);
}

/* ─── Bottom CTA block ───────────────────────────────────────────────────── */
.work-cta-block {
    margin-top: 72px;
    text-align: center;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 64px 40px;
    position: relative;
    overflow: hidden;
}

.work-cta-block::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(99, 102, 241, 0.1), transparent);
    pointer-events: none;
}

.work-cta-block h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-bottom: 12px;
}

.work-cta-block p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 32px;
    line-height: 1.65;
}

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 800px) {
    .cs-cols {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 28px 22px;
    }

    .work-cta-block { padding: 48px 24px; }
}

@media (max-width: 600px) {
    .work-hero { padding: 0 20px 56px; }

    .work-main { padding: 12px 20px 60px; }

    .cs-footer { flex-direction: column; align-items: flex-start; }

    .work-cta-block { margin-top: 48px; }
}