.build-buy-section {
  padding: clamp(52px, 8vw, 96px) clamp(20px, 7vw, 96px);
}

.build-buy-shell {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  max-width: 1180px;
}

.build-buy-form,
.build-buy-result {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(24px, 4vw, 38px);
}

.build-buy-form {
  display: grid;
  gap: 28px;
}

.build-buy-global,
.build-buy-fieldset {
  display: grid;
  gap: 20px;
}

.build-buy-global {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.build-buy-fieldset {
  border: 0;
  border-top: 2px solid var(--line);
  margin: 0;
  padding: 28px 0 0;
}

.build-buy-fieldset legend {
  color: var(--teal-dark);
  font-size: 1.2rem;
  font-weight: 850;
  padding: 0 14px 0 0;
}

.build-buy-field {
  display: grid;
  gap: 8px;
}

.build-buy-field label {
  font-weight: 760;
}

.build-buy-field input,
.build-buy-field select {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  min-height: 48px;
  padding: 10px 12px;
  width: 100%;
}

.build-buy-hint,
.build-buy-note,
.build-buy-result-caption,
.build-buy-method,
.build-buy-summary-text {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.build-buy-note {
  border-left: 3px solid var(--amber);
  margin: 0;
  padding-left: 16px;
}

.build-buy-result {
  align-self: start;
  background: #071426;
  color: #ffffff;
  position: sticky;
  top: calc(var(--header-height) + 20px);
}

.build-buy-result-kicker {
  color: #8fe6e2;
  font-size: 0.78rem;
  font-weight: 850;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.build-buy-winner {
  font-size: clamp(2.6rem, 6vw, 5rem);
  font-weight: 850;
  line-height: 1;
  margin: 0 0 10px;
}

.build-buy-result-caption,
.build-buy-method,
.build-buy-summary-text {
  color: rgba(255, 255, 255, 0.74);
}

.build-buy-tco-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 28px;
}

.build-buy-tco-card {
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  padding: 18px;
}

.build-buy-tco-label {
  color: rgba(255, 255, 255, 0.66);
  display: block;
  font-size: 0.8rem;
  font-weight: 760;
  margin-bottom: 6px;
}

.build-buy-tco-card strong {
  display: block;
  font-size: clamp(1.35rem, 3vw, 2rem);
  overflow-wrap: anywhere;
}

.build-buy-breakdown {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  display: grid;
  margin-top: 24px;
}

.build-buy-row {
  align-items: baseline;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  gap: 20px;
  justify-content: space-between;
  padding: 14px 0;
}

.build-buy-row span:first-child {
  color: rgba(255, 255, 255, 0.7);
}

.build-buy-row strong {
  text-align: right;
}

.build-buy-summary {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  margin-top: 28px;
  padding-top: 24px;
}

.build-buy-summary-title {
  color: #ffffff;
  font-weight: 800;
  margin-bottom: 10px;
}

.build-buy-summary-text {
  line-height: 1.6;
  margin-bottom: 16px;
}

.build-buy-summary-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button.build-buy-copy {
  background: #ffffff;
  color: #071426;
  cursor: pointer;
}

.build-buy-copy-status {
  color: #8fe6e2;
  font-size: 0.84rem;
  font-weight: 760;
}

.build-buy-method {
  margin: 22px 0 0;
}

.project-card--featured .project-brand-media--build-buy {
  background: #071426;
}

@media (max-width: 820px) {
  .build-buy-shell,
  .build-buy-global,
  .build-buy-tco-grid {
    grid-template-columns: 1fr;
  }

  .build-buy-result {
    position: static;
  }
}