/* Blueprint: static diagrams and optional depth, within the existing site system. */
.blueprint-shell { max-width: 90rem; }
.blueprint-hero { padding-block: 4rem 3rem; }
.blueprint-hero h1 { font-size: clamp(2.6rem, 5.4vw, 4.75rem); line-height: 1.03; letter-spacing: -0.035em; max-width: 20ch; margin: 1.25rem 0 1.5rem; }
.blueprint-lede { font-size: 1.2rem; max-width: 57ch; line-height: 1.55; }
.blueprint-disclaimer { max-width: 65ch; border-left: 2px solid #326c6d; padding-left: 1rem; font-size: 0.95rem; line-height: 1.55; margin-block: 1.5rem; }
.blueprint-tagline { font-weight: 700; }
.blueprint-jumps { display: flex; flex-wrap: wrap; gap: 0.75rem 2rem; margin-top: 2rem; }
.blueprint-section { padding-block: 3rem; border-top: 1px solid var(--hair); }
.blueprint-section h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); letter-spacing: -0.025em; line-height: 1.15; margin: 0.75rem 0 1.5rem; max-width: 28ch; }
.blueprint-section h3 { font-size: 1.22rem; line-height: 1.3; margin: 0 0 0.75rem; }
.blueprint-section p { max-width: 65ch; line-height: 1.58; }
.blueprint-section .blueprint-principle { font-size: 1.35rem; font-weight: 700; max-width: 53ch; }
.blueprint-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; margin-block: 2rem; }
.blueprint-grid article { border-top: 1px solid var(--hair); padding-top: 1.25rem; min-width: 0; }
.blueprint-grid p { margin-bottom: 0; }
.blueprint-grid.failures { grid-template-columns: repeat(2,minmax(0,1fr)); }
.blueprint-note { margin-block: 2rem; border-left: 2px solid #326c6d; padding: 0.5rem 1.5rem; }
.blueprint-diagram { margin: 2rem 0; max-width: 68rem; }
.blueprint-diagram svg { display: block; width: 100%; height: auto; overflow: visible; }
.blueprint-diagram text { font: 18px var(--sans); fill: var(--ink); }
.blueprint-diagram .diagram-label { font-weight: 700; }
.blueprint-diagram rect { fill: var(--paper-deep); stroke: var(--steel); stroke-width: 1; }
.blueprint-diagram path { stroke: #326c6d; fill: none; stroke-width: 1.5; }
.blueprint-diagram figcaption { margin-top: 0.75rem; font-size: 0.95rem; color: var(--graphite); line-height: 1.5; max-width: 65ch; }
.blueprint-diagram .diagram-mobile { display: none; }
.blueprint-section details { border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair); margin-top: 2rem; }
.blueprint-section summary { padding: 1.2rem 0; font-weight: 700; cursor: pointer; }
.blueprint-table table { width: 100%; border-collapse: collapse; font-size: 1rem; text-align: left; margin-bottom: 1rem; }
.blueprint-table th, .blueprint-table td { padding: 1rem; border-bottom: 1px solid var(--line); vertical-align: top; line-height: 1.55; }
.blueprint-table th:first-child { padding-left: 0; width: 24%; }
.blueprint-shell footer { padding-block: 2rem; }
@media (max-width: 760px) {
  .blueprint-hero { padding-block: 2rem; }
  .blueprint-grid, .blueprint-grid.failures { grid-template-columns: 1fr; gap: 1.5rem; }
  .blueprint-section { padding-block: 2.5rem; }
  .blueprint-diagram { max-width: 25rem; margin-inline: auto; }
  .blueprint-diagram .diagram-desktop { display: none; }
  .blueprint-diagram .diagram-mobile { display: block; }
  .blueprint-table table, .blueprint-table tbody, .blueprint-table tr, .blueprint-table th, .blueprint-table td { display: block; width: 100%; }
  .blueprint-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .blueprint-table tr { border-bottom: 1px solid var(--hair); padding-block: 0.75rem; }
  .blueprint-table th:first-child { width: 100%; }
  .blueprint-table th, .blueprint-table td { border: 0; padding: 0.35rem 0; }
}
.blueprint-hero > p { max-width: 65ch; line-height: 1.55; }