/* ── shared layout ── */
.two-col {
  display: grid;
  grid-template-columns: 48% 1fr;
  gap: 40px;
  align-items: start;
}
.section-label {
  font-family: 'IvyPresto Display', serif;
  font-style: italic;
  font-weight: 400;
  font-size: clamp(28px, 3vw, 52px);
  letter-spacing: -.02em;
  line-height: 1;
  color: var(--white);
  margin: 0;
}
.section-title {
  font-weight: 900;
  font-size: clamp(40px, 5.5vw, 80px);
  letter-spacing: -.048em;
  line-height: .88;
  text-transform: uppercase;
  color: var(--white);
  margin: 0;
}
.section-heading-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: 120px;
  padding-left: 60px;
}

/* ── production studio ── */
.production-section {
  padding: 200px 180px 100px;
  background: var(--black);
}

.accordion {
  display: flex;
  flex-direction: column;
  max-width: 520px;
}
details.acc-item { border-top: 1px solid rgba(245,245,245,.5); }
details.acc-item:last-child { border-bottom: 1px solid rgba(245,245,245,.5); }

details.acc-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
details.acc-item summary::-webkit-details-marker { display: none; }

.acc-name {
  font-size: clamp(14px, 1.4vw, 22px);
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--white);
}
.acc-icon {
  font-size: 18px;
  font-weight: 300;
  color: rgba(245,245,245,.5);
  transition: transform .25s ease, opacity .25s ease;
  line-height: 1;
  flex-shrink: 0;
}
details[open] .acc-icon { transform: rotate(45deg); opacity: 1; }

.acc-body {
  overflow: hidden;
  height: 0;
  transition: height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
details .acc-body { display: block !important; }
.acc-body-inner { padding: 0 0 24px; }
.acc-body ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.acc-body ul li {
  font-size: clamp(12px, 1vw, 16px);
  font-weight: 500;
  color: rgba(245,245,245,.5);
  letter-spacing: .01em;
  padding-left: 20px;
  position: relative;
}
.acc-body ul li::before {
  content: '○';
  position: absolute;
  left: 0;
  color: rgba(245,245,245,.25);
  font-size: clamp(13px, 1.2vw, 17px);
}

/* ── agency ── */
.agency-section {
  padding: 100px 180px;
  background: #0a0a0a;
}
.agency-list {
  display: flex;
  flex-direction: column;
  max-width: 520px;
}
.agency-item {
  display: grid;
  grid-template-columns: 1fr 140px;
  gap: 32px;
  align-items: center;
  padding: 36px 0;
  border-top: 1px solid rgba(245,245,245,.5);
}
.agency-item:last-child { border-bottom: 1px solid rgba(245,245,245,.5); }
.agency-item-content {
  position: relative;
  padding-left: 28px;
}
.agency-item-content::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 10px;
  border-left: 1px solid rgba(245,245,245,.55);
  border-top: 1px solid rgba(245,245,245,.55);
  border-bottom: 1px solid rgba(245,245,245,.55);
}
.agency-item-num {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .1em;
  color: rgba(245,245,245,.35);
  margin: 0 0 8px;
}
.agency-item-name {
  font-weight: 900;
  font-size: clamp(20px, 2.2vw, 34px);
  letter-spacing: -.04em;
  line-height: .9;
  text-transform: uppercase;
  color: var(--white);
  margin: 0 0 14px;
}
.agency-item-desc {
  font-size: clamp(12px, 1vw, 15px);
  line-height: 1.7;
  color: rgba(245,245,245,.45);
  margin: 0;
  max-width: 380px;
}
.agency-item-img {
  width: 140px;
  height: 140px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
}
.agency-item-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}

/* ── CTA / collaborate ── */
.collab-section {
  position: relative;
  overflow: hidden;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 40px;
  text-align: center;
}
.collab-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.collab-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(.35);
}
.collab-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5,5,5,.75) 0%, rgba(5,5,5,.25) 100%);
  z-index: 1;
}
.collab-content { position: relative; z-index: 2; }
.collab-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(245,245,245,.5);
  margin: 0 0 16px;
}
.collab-heading {
  font-weight: 900;
  font-size: clamp(28px, 8vw, 120px);
  letter-spacing: -.05em;
  line-height: .88;
  text-transform: uppercase;
  color: var(--white);
  margin: 0 0 32px;
  word-break: break-word;
}
.collab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--white);
  color: var(--black);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 4px;
  transition: opacity .2s ease;
}
.collab-btn:hover { opacity: .85; }

/* ── mobile ── */
@media (max-width: 768px) {
  .production-section { padding: 120px 24px 60px; }
  .agency-section { padding: 60px 24px 80px; }
  .two-col { grid-template-columns: 1fr; }
  .section-heading-group { position: static; padding-left: 0; margin-bottom: 40px; }
  .accordion { max-width: 100%; }
  .agency-list { max-width: 100%; }
  .agency-item { grid-template-columns: 1fr; gap: 16px; }
  .collab-section { padding: 64px 24px; }
  .collab-heading { font-size: 6vw; }
}