.portfolio-buyer-section {
  position: relative;
  padding: 52px 0 64px;
  border-bottom: 1px solid var(--pf-line);
  background:
    radial-gradient(circle at 12% 0%, rgba(199,168,107,.07), transparent 26rem),
    linear-gradient(180deg, rgba(255,255,255,.012), transparent 52%),
    #0a0a09;
}

.portfolio-buyer-head {
  display: grid;
  grid-template-columns: minmax(150px,.36fr) minmax(0,1.64fr);
  gap: clamp(24px,4vw,54px);
  align-items: start;
  margin-bottom: 30px;
}

.portfolio-buyer-heading {
  margin: 0;
  max-width: 20ch;
  font-family: 'Playfair Display', serif;
  font-size: clamp(34px,4.3vw,62px);
  font-weight: 500;
  line-height: 1.03;
  letter-spacing: -.025em;
  text-wrap: balance;
}

.portfolio-buyer-intro {
  max-width: 760px;
  margin: 18px 0 0;
  color: rgba(242,239,232,.67);
  font-size: 15px;
  line-height: 1.72;
}

.portfolio-buyer-grid {
  display: grid;
  grid-template-columns: repeat(4,minmax(0,1fr));
  gap: 10px;
}

.portfolio-buyer-card {
  position: relative;
  min-height: 260px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  border: 1px solid rgba(242,239,232,.11);
  border-radius: 20px;
  background:
    radial-gradient(circle at 88% 8%, rgba(199,168,107,.08), transparent 36%),
    linear-gradient(145deg, rgba(255,255,255,.025), transparent 40%),
    rgba(14,14,12,.9);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.025);
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}

.portfolio-buyer-card::after {
  content: "↗";
  position: absolute;
  top: 18px;
  right: 18px;
  color: rgba(242,239,232,.3);
  font-family: 'DM Mono', monospace;
  font-size: 11px;
}

.portfolio-buyer-card-top {
  padding-right: 28px;
}

.portfolio-buyer-card h3 {
  margin: 0;
  max-width: 10ch;
  font-family: 'Playfair Display', serif;
  font-size: clamp(27px,2.2vw,36px);
  font-weight: 500;
  line-height: 1.02;
}

.portfolio-buyer-card p {
  margin: 18px 0 0;
  color: rgba(242,239,232,.62);
  font-size: 12px;
  line-height: 1.62;
}

.portfolio-buyer-output {
  padding-top: 18px;
  border-top: 1px solid rgba(242,239,232,.09);
  color: var(--pf-accent);
  font-family: 'DM Mono', monospace;
  font-size: 8px;
  line-height: 1.5;
  letter-spacing: .11em;
}

.portfolio-buyer-card:hover {
  transform: translateY(-5px);
  border-color: rgba(199,168,107,.3);
  box-shadow: 0 28px 80px rgba(0,0,0,.24), inset 0 1px 0 rgba(255,255,255,.03);
}

.portfolio-buyer-card:focus-visible {
  outline: 2px solid var(--pf-accent);
  outline-offset: 4px;
}

.portfolio-buyer-foot {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: rgba(242,239,232,.45);
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.portfolio-buyer-foot strong {
  color: rgba(242,239,232,.78);
  font-weight: 400;
}

@media (max-width: 980px) {
  .portfolio-buyer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .portfolio-buyer-card { min-height: 230px; }
}

@media (max-width: 760px) {
  .portfolio-buyer-section { padding: 42px 0 52px; }
  .portfolio-buyer-head { grid-template-columns: 1fr; gap: 14px; }
  .portfolio-buyer-grid {
    display: flex;
    overflow-x: auto;
    gap: 10px;
    margin-right: -12px;
    padding: 2px 12px 12px 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }
  .portfolio-buyer-grid::-webkit-scrollbar { display: none; }
  .portfolio-buyer-card {
    flex: 0 0 min(82vw,330px);
    min-height: 235px;
    scroll-snap-align: start;
  }
  .portfolio-buyer-foot {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 560px) {
  .portfolio-buyer-heading { font-size: clamp(34px,10.5vw,48px); }
  .portfolio-buyer-intro { font-size: 14px; }
  .portfolio-buyer-card { border-radius: 16px; padding: 20px; }
  .portfolio-buyer-card h3 { font-size: 30px; }
}

@media (prefers-reduced-motion: reduce) {
  .portfolio-buyer-card { transition: none; }
  .portfolio-buyer-card:hover { transform: none; }
}