/* Verveware: flowing ribbons weave independent capabilities into one form. */
.build-section { background: var(--color-paper); color: var(--color-ink); }
.build-pin { display: flex; flex-direction: column; padding-block: var(--space-64, 64px) var(--space-32); overflow: clip; }
.build-heading-row { display: grid; grid-template-columns: 1.15fr 1fr; align-items: end; gap: var(--space-80); flex-shrink: 0; }
.build-heading-row h2 { font-size: clamp(36px, 4.1vw, 59px); line-height: 1.06; letter-spacing: -.04em; }
.build-copy { max-width: 48ch; padding-bottom: var(--space-2xs); }
.build-copy p { font-size: 16px; line-height: 1.65; }
.build-copy .text-link { margin-top: var(--space-md); }
.ecosystem-stage { position: relative; isolation: isolate; width: 100%; height: clamp(340px, 48vw, 620px); min-height: 280px; flex: 1 1 auto; }
#ecosystem-canvas { display: block; width: 100%; height: 100%; opacity: 0; }
.ecosystem-ready #ecosystem-canvas { opacity: 1; }
.ecosystem-fallback { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: var(--space-32) var(--gutter); }
.ecosystem-fallback img { width: min(68%, 880px); height: auto; }
.ecosystem-ready .ecosystem-fallback { visibility: hidden; }
.ecosystem-unavailable #ecosystem-canvas { opacity: 0; }
.ecosystem-unavailable .ecosystem-fallback { visibility: visible; }
.build-footer { width: 100%; flex-shrink: 0; }
.ecosystem-caption { position: relative; height: 40px; font-size: clamp(23px, 2.4vw, 34px); font-weight: 500; line-height: 1.25; text-align: center; letter-spacing: -.03em; margin-bottom: var(--space-sm); }
.ecosystem-caption span { position: absolute; inset: 0; opacity: 0; }
.ecosystem-caption span:last-child { opacity: 1; }
.ecosystem-key { list-style: none; display: flex; justify-content: center; gap: var(--space-28); padding: 0; margin: 0 0 var(--space-lg); font-size: 12px; }
.ecosystem-key li { display: flex; gap: var(--space-xs); align-items: center; }
.ecosystem-key li::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--color-ink); flex-shrink: 0; }
.ecosystem-key li:nth-child(2)::before { background: var(--color-orange-deep); }
.ecosystem-key li:nth-child(3)::before { background: var(--color-blue-deep); }
.ecosystem-key li:nth-child(4)::before { background: var(--color-paper); box-shadow: inset 0 0 0 1px var(--color-muted); }
.build-controls { display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); border-top: 1px solid var(--color-rule); padding-top: var(--space-xs); }
.ecosystem-chapters { display: none; position: relative; align-items: center; gap: var(--space-28); }
.ecosystem-chapters button { background: transparent; border: 0; font: inherit; font-size: 13px; padding: var(--space-md) 0; min-height: 48px; opacity: .66; white-space: nowrap; }
.ecosystem-chapters button[aria-current] { opacity: 1; text-decoration: underline; text-underline-offset: 6px; }
.ecosystem-chapters button:hover { opacity: 1; }
.ecosystem-progress { position: absolute; height: 2px; left: 0; right: 0; bottom: 0; background: var(--color-rule); }
.ecosystem-progress span { display: block; height: 100%; background: var(--color-ink); transform: scaleX(0); transform-origin: left; }
.build-role { font-size: 12px; line-height: 1.6; }
.ecosystem-motion { font-size: 12px; flex-shrink: 0; min-height: 48px; white-space: nowrap; }
.motion-on:not(.ecosystem-unavailable) .build-section { height: 290svh; }
.motion-on:not(.ecosystem-unavailable) .build-pin { position: sticky; top: 0; height: 100svh; padding-top: var(--space-40, 40px); padding-bottom: var(--space-lg); }
.motion-on:not(.ecosystem-unavailable) .ecosystem-stage { height: auto; min-height: 0; }
.motion-on.ecosystem-ready .ecosystem-chapters { display: flex; }

@media (max-width: 1150px) {
  .build-heading-row { gap: var(--space-40, 40px); }
  .build-heading-row h2 { font-size: 44px; }
  .build-copy p { font-size: 15px; }
  .build-role { max-width: 30ch; }
  .ecosystem-chapters { gap: var(--space-lg); }
}
@media (max-width: 899px) {
  .build-heading-row { grid-template-columns: 1.1fr 1fr; gap: var(--space-lg); }
  .build-heading-row h2 { font-size: 36px; }
  .build-copy p { font-size: 14px; line-height: 1.6; }
  .build-copy .text-link { font-size: 13px; margin-top: var(--space-xs); }
  .build-role { display: block; max-width: none; text-align: center; font-size: 11px; }
  .build-controls { flex-wrap: wrap; gap: var(--space-xs) var(--space-lg); }
  .ecosystem-chapters { flex: 1; gap: var(--space-28); }
  .motion-on.ecosystem-ready .build-role { order: 3; width: 100%; }
  .ecosystem-caption { margin-bottom: var(--space-sm); }
  .ecosystem-key { gap: var(--space-md); font-size: 11px; }
}
@media (max-width: 599px) {
  .build-pin { padding-block: var(--space-xl) var(--space-lg); }
  .build-heading-row { display: block; }
  .build-heading-row h2 { font-size: clamp(28px, 8vw, 37px); max-width: 24ch; }
  .build-heading-row h2 br { display: none; }
  .build-copy { margin-top: var(--space-md); max-width: 50ch; padding: 0; }
  .build-copy p { font-size: 14px; line-height: 1.55; }
  .build-copy .text-link { margin-top: var(--space-2xs); min-height: 40px; }
  .ecosystem-stage { height: 340px; min-height: 260px; }
  .ecosystem-caption { height: 46px; font-size: 23px; max-width: 28ch; margin-inline: auto; margin-bottom: 0; }
  .ecosystem-caption span { display: flex; align-items: center; justify-content: center; }
  .ecosystem-key { display: grid; grid-template-columns: auto auto; gap: 5px var(--space-md); margin-bottom: var(--space-sm); font-size: 11px; }
  .ecosystem-chapters { gap: 0; justify-content: space-between; }
  .ecosystem-chapters button { font-size: 12px; padding-inline: 3px; }
  .ecosystem-motion { font-size: 11px; padding-inline: 0; }
  .build-controls { gap: var(--space-xs) var(--space-md); }
  .build-role { font-size: 12px; }
  .motion-on:not(.ecosystem-unavailable) .build-pin { padding-top: var(--space-lg); padding-bottom: var(--space-md); }
  .motion-on:not(.ecosystem-unavailable) .build-section { height: 260svh; }
  .ecosystem-fallback { padding-inline: var(--gutter); }
}
@media (max-height: 700px) and (min-width: 600px) {
  .motion-on:not(.ecosystem-unavailable) .build-pin { padding-block: var(--space-lg) var(--space-md); }
  .build-heading-row h2 { font-size: 34px; }
  .build-copy p { font-size: 13px; }
  .ecosystem-caption { margin-bottom: var(--space-xs); font-size: 21px; height: 30px; }
}
@media (prefers-reduced-motion: reduce) {
  .motion-on:not(.ecosystem-unavailable) .build-section { height: auto; }
  .motion-on:not(.ecosystem-unavailable) .build-pin { position: relative; height: auto; }
  .motion-on:not(.ecosystem-unavailable) .ecosystem-stage { height: 420px; }
  .motion-on.ecosystem-ready .ecosystem-chapters { display: none; }
}