/* ─── Portfolio Hero ─────────────────────────────────────── */
.portfolio-hero {
  background: var(--ink);
  padding: 160px 80px 80px;
  text-align: center;
}

.portfolio-hero-inner {
  max-width: 640px;
  margin: 0 auto;
}

.portfolio-hero .eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 28px;
}

.portfolio-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--cream);
  margin-bottom: 24px;
}

.portfolio-sub {
  font-size: 17px;
  color: var(--ash);
  line-height: 1.65;
}

/* ─── Case Studies Grid ───────────────────────────────────── */
.portfolio-cases {
  background: var(--cream);
  padding: 80px;
}

.portfolio-cases-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.case-study {
  background: var(--stone);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 12px;
  padding: 40px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.case-study:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.case-meta-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--copper);
}

.case-study h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 14px;
}

.case-outcome {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ─── CTA Band ─────────────────────────────────────────── */
.portfolio-cta-band {
  background: var(--ink);
  padding: 80px;
}

.portfolio-cta-band .cta-band-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.portfolio-cta-band .cta-band-inner h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 3.5vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--cream);
  margin-bottom: 36px;
}

.portfolio-cta-band .cta-btn {
  display: inline-block;
  background: var(--copper);
  color: var(--cream);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 16px 36px;
  border-radius: 8px;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: background 0.2s ease, transform 0.1s ease;
}

.portfolio-cta-band .cta-btn:hover {
  background: #d4853a;
  transform: translateY(-2px);
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .portfolio-hero { padding: 120px 32px 60px; }
  .portfolio-cases, .portfolio-cta-band { padding-left: 32px; padding-right: 32px; }
  .case-study { padding: 28px; }
}