.download-hero {
  position: relative;
  overflow-x: clip;
  border-bottom: var(--line-thin) solid var(--color-border);
  background: var(--color-bg);
}

.download-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(360px, .84fr);
  min-height: 540px;
  align-items: stretch;
}

.download-hero-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding-top: clamp(64px, 8vw, 110px);
  padding-right: clamp(30px, 6vw, 92px);
  padding-bottom: clamp(64px, 8vw, 110px);
}

.download-hero-copy h1 {
  max-width: 780px;
}

.download-hero-copy .lead {
  margin-top: 26px;
}

.download-hero-copy .chip-row {
  margin-top: 22px;
}

.download-proof {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: clamp(32px, 5vw, 68px);
  border-left: var(--line-thin) solid var(--color-border);
  background: var(--color-panel-strong);
}

.download-proof .rule-label {
  margin-bottom: 30px;
}

.proof-line {
  display: grid;
  grid-template-columns: 68px 58px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding-top: 18px;
  padding-bottom: 18px;
  border-top: var(--line-thin) solid var(--color-border);
}

.proof-line:last-of-type {
  border-bottom: var(--line-thin) solid var(--color-border);
}

.proof-line span {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
}

.proof-line strong {
  font-family: var(--font-display);
  font-size: 19px;
}

.proof-line code {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--color-muted);
  font-size: 11px;
}

.download-proof-note {
  margin: 24px 0 0;
  color: var(--color-muted);
  font-size: 14px;
}

.platform-intro {
  max-width: 840px;
  margin-bottom: 30px;
  color: var(--color-muted);
}

.download-stack {
  display: grid;
  gap: 14px;
}

.download-stack .client-card {
  min-height: 250px;
}

.download-stack .client-card-title {
  width: 100%;
}

.download-stack .client-card-title .badge {
  margin-bottom: 10px;
}

.download-stack .client-card h3 {
  margin-bottom: 14px;
}

.download-stack .client-card p {
  max-width: 850px;
}

.official-site-line a,
.table-download,
.faq-answer a {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-underline-offset: 4px;
}

.requirements-block {
  margin-top: 38px;
  padding-top: 30px;
  border-top: var(--line-thin) solid var(--color-border);
}

.requirements-block h4 {
  margin-bottom: 16px;
}

.core-table {
  margin-top: 30px;
}

.core-table .data-table {
  min-width: 860px;
}

.table-download {
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
}

.core-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--line-thin);
  margin-top: 28px;
  border: var(--line-thin) solid var(--color-border);
  background: var(--color-border);
}

.core-notes .panel {
  border: 0;
}

.core-notes h3 {
  margin-top: 14px;
  margin-bottom: 12px;
}

.selection-layout {
  display: grid;
  grid-template-columns: minmax(320px, .78fr) minmax(0, 1.22fr);
  gap: clamp(30px, 6vw, 84px);
  align-items: center;
}

.selection-example {
  overflow: hidden;
  background: var(--color-panel-strong);
}

.selection-example > code {
  display: block;
  margin-top: 25px;
  padding: 24px 0;
  border-top: var(--line-thin) solid var(--color-border);
  border-bottom: var(--line-thin) solid var(--color-border);
  color: var(--color-text);
  font-size: clamp(15px, 2vw, 20px);
  overflow-wrap: anywhere;
}

.proof-marks {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--line-thin);
  margin-top: 16px;
  background: var(--color-border);
}

.proof-marks span {
  min-width: 0;
  padding: 8px 4px;
  background: var(--color-panel);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 9px;
  text-align: center;
  overflow-wrap: anywhere;
}

.selection-copy {
  min-width: 0;
}

.selection-copy h3 {
  margin-bottom: 18px;
}

.selection-copy p {
  color: var(--color-muted);
}

.selection-cards {
  margin-top: clamp(40px, 6vw, 76px);
}

.selection-cards h3 {
  margin-top: 14px;
  margin-bottom: 12px;
}

#download-faq .faq-list {
  max-width: 1040px;
}

#download-faq .faq-answer p {
  margin-bottom: 0;
}

@media (max-width: 980px) {
  .download-hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .download-hero-copy {
    min-height: 490px;
    padding-right: 0;
  }

  .download-proof {
    border-top: var(--line-thin) solid var(--color-border);
    border-left: 0;
  }

  .selection-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .download-hero-grid {
    min-height: 0;
  }

  .download-hero-copy {
    min-height: 440px;
  }

  .download-proof {
    padding-right: var(--gutter);
    padding-left: var(--gutter);
  }

  .core-notes {
    grid-template-columns: minmax(0, 1fr);
  }

  .download-stack .client-card {
    min-height: 0;
  }
}

@media (max-width: 480px) {
  .download-hero-copy {
    min-height: 420px;
    padding-top: 52px;
    padding-bottom: 52px;
  }

  .download-proof {
    padding-top: 38px;
    padding-bottom: 38px;
  }

  .proof-line {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 10px;
  }

  .proof-line code {
    grid-column: 1 / -1;
  }

  .proof-marks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .selection-example {
    padding-right: 18px;
    padding-left: 18px;
  }

  .client-card-actions .btn {
    width: 100%;
  }
}