.graph-demo-hero { max-width: 940px; padding-top: 76px; padding-bottom: 42px; }
.graph-demo-hero h1 { max-width: 900px; margin: 12px 0 20px; font-size: clamp(2.6rem, 5.6vw, 4.6rem); line-height: 1.04; letter-spacing: -0.05em; }
.graph-demo-lead { max-width: 730px; margin: 0 0 26px; color: var(--ink-soft); font-size: clamp(1.1rem, 2vw, 1.3rem); }
.graph-demo-note { max-width: 780px; color: var(--ink-soft); font-size: .86rem; }
.graph-demo-hero .graph-demo-note { margin-top: 25px; }
.graph-demo-workbench { padding-top: 22px; }
.graph-demo-question { display: grid; grid-template-columns: 1.5fr 1fr; gap: 42px; align-items: center; margin-bottom: 30px; padding: 32px; border: 1px solid var(--line-strong); border-radius: 22px; background: rgba(255, 250, 241, .76); }
.graph-demo-question h2, .graph-demo-reproduce h2 { margin: 8px 0 12px; font-size: clamp(1.7rem, 3vw, 2.2rem); line-height: 1.15; letter-spacing: -.035em; }
.graph-demo-question p:last-child { margin-bottom: 0; color: var(--ink-soft); }
.graph-demo-signature { padding: 20px 24px; border-radius: 14px; background: #183e35; color: #f6f1e8; }
.graph-demo-signature > span { display: block; margin-bottom: 10px; color: #d7e4d8; font-size: .75rem; text-transform: uppercase; letter-spacing: .12em; }
.graph-demo-signature code { color: #fff9eb; font-size: 1rem; line-height: 1.6; }
.graph-demo-signature small { display: block; margin-top: 15px; color: #d7e4d8; font-size: .78rem; }
.graph-demo-scenarios { min-width: 0; margin: 0; padding: 0; border: 0; }
.graph-demo-scenarios legend { margin-bottom: 14px; color: var(--ink-soft); font-size: .82rem; font-weight: 700; letter-spacing: .04em; }
.graph-demo-presets { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 9px; }
.graph-demo-presets button { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; min-height: 94px; padding: 16px; border: 1px solid var(--line-strong); border-radius: 12px; background: rgba(255, 250, 241, .6); color: var(--ink); font: inherit; font-size: .88rem; font-weight: 700; text-align: left; cursor: pointer; }
.graph-demo-presets button span { color: var(--ink-soft); font-size: .73rem; font-weight: 500; }
.graph-demo-presets button:hover { border-color: var(--moss); background: #edf1e6; }
.graph-demo-presets button[aria-pressed="true"] { border-color: var(--moss-dark); background: var(--moss-dark); color: #fffaf1; }
.graph-demo-presets button[aria-pressed="true"] span { color: #d8e6d7; }
.graph-demo-presets button:focus-visible, .graph-demo-body summary:focus-visible, .graph-demo-body pre:focus-visible, .graph-demo-body a:focus-visible { outline: 3px solid #b65b2f; outline-offset: 4px; }
.graph-demo-scenarios:disabled button { cursor: wait; opacity: .6; }
.graph-demo-announcement { min-height: 1.6em; margin: 14px 0 22px; color: var(--ink-soft); font-size: .86rem; }
.graph-demo-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.graph-demo-panel { min-width: 0; padding: 26px; border: 1px solid var(--line-strong); border-radius: 18px; background: rgba(255, 250, 241, .62); }
.graph-demo-result { background: #f6f7ee; }
.graph-demo-panel-heading { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px; }
.graph-demo-panel-heading .eyebrow { margin: 0; font-size: .72rem; }
.graph-demo-tag { padding: 4px 9px; border: 1px solid #d2d8c9; border-radius: 5px; background: #eef0e5; color: #374a3d; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .71rem; }
.graph-demo-tag[data-status="needs_review"] { border-color: #d3b381; background: #f5e6c8; color: #71400f; }
.graph-demo-panel h3 { margin: 19px 0 12px; font-size: 1.35rem; line-height: 1.25; letter-spacing: -.02em; }
.graph-demo-panel > p:not(.graph-demo-authority) { color: var(--ink-soft); font-size: .92rem; }
.graph-demo-table-scroll { overflow-x: auto; }
.graph-demo-table { width: 100%; margin-top: 25px; border-collapse: collapse; text-align: left; font-size: .85rem; }
.graph-demo-table caption { padding: 0 0 10px; color: var(--ink-soft); font-size: .75rem; text-align: left; }
.graph-demo-table th, .graph-demo-table td { padding: 12px 10px 12px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.graph-demo-table thead th { color: var(--ink-soft); font-size: .75rem; font-weight: 600; }
.graph-demo-cell-note { display: block; max-width: 95px; margin-top: 4px; color: #87401f; font-size: .7rem; line-height: 1.4; }
.graph-demo-panel .graph-demo-snapshot { margin-top: 19px; font-size: .75rem !important; }
.graph-demo-body pre { margin: 16px 0; padding: 20px; overflow: auto; border: 1px solid var(--line); border-radius: 10px; background: #edeadd; color: #203b30; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .78rem; line-height: 1.6; tab-size: 2; }
.graph-demo-body .graph-demo-answer { padding: 17px; border-color: #d6dfce; background: #e9eee1; font-size: .9rem; white-space: pre-wrap; overflow-wrap: anywhere; }
.graph-demo-counts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 22px 0 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.graph-demo-counts dt { color: var(--ink-soft); font-size: .73rem; }
.graph-demo-counts dd { margin: 2px 0 0; color: var(--moss-dark); font-size: 1.5rem; font-weight: 600; }
.graph-demo-reasons { margin: 0; padding-left: 19px; color: var(--ink-soft); font-size: .82rem; }
.graph-demo-reasons li + li { margin-top: 8px; }
.graph-demo-authority { margin: 20px 0 0; padding-top: 16px; border-top: 1px solid var(--line); color: #354c3c; font-size: .8rem; }
.graph-demo-authority code { overflow-wrap: anywhere; font-size: .8rem; }
.graph-demo-details { margin: 19px 0; border-top: 1px solid var(--line); }
.graph-demo-details summary { padding: 15px 0; color: var(--moss-dark); font-size: .85rem; font-weight: 700; cursor: pointer; }
.graph-demo-details pre { max-height: 540px; }
.graph-demo-details > p { max-width: 830px; color: var(--ink-soft); font-size: .85rem; }
.graph-demo-claims { list-style: none; margin: 0; padding: 0; }
.graph-demo-claims li { display: flex; flex-direction: column; gap: 5px; padding: 14px 0; border-top: 1px solid var(--line); color: var(--ink-soft); overflow-wrap: anywhere; font-size: .72rem; }
.graph-demo-claims strong { color: var(--ink); font-size: .81rem; }
.graph-demo-claims code { font-size: .7rem; }
.graph-demo-receipt { margin-top: 22px; margin-bottom: 0; }
.graph-demo-text-link { color: var(--moss-dark); text-decoration: underline; text-underline-offset: 4px; font-size: .85rem; }
.graph-demo-boundaries { padding-top: 62px; }
.graph-demo-boundaries .section-heading { max-width: 660px; }
.graph-demo-boundaries h2 { font-size: clamp(1.8rem, 3vw, 2.3rem); }
.graph-demo-boundary-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 26px; }
.graph-demo-boundary-grid article { border-top: 2px solid #a9b8a2; padding-top: 15px; }
.graph-demo-boundary-grid span { color: var(--moss-dark); font-size: .75rem; font-weight: 700; }
.graph-demo-boundary-grid h3 { margin: 12px 0; font-size: 1.06rem; line-height: 1.3; }
.graph-demo-boundary-grid p { color: var(--ink-soft); font-size: .87rem; }
.graph-demo-reproduce { display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; margin-top: 55px; padding-top: 40px; padding-bottom: 60px; border-top: 1px solid var(--line-strong); }
.graph-demo-reproduce > div > p, .graph-demo-reproduce aside > p { color: var(--ink-soft); font-size: .94rem; }
.graph-demo-reproduce aside { min-width: 0; padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255, 250, 241, .5); }
.graph-demo-reproduce aside h3 { margin: 10px 0; font-size: 1.3rem; }
.graph-demo-error { padding: 14px; border: 1px solid #c59c70; border-radius: 8px; background: #f7e4cf; color: #743917; }
.graph-demo-error a { text-decoration: underline; }
@media (max-width: 960px) {
  .graph-demo-question { gap: 22px; grid-template-columns: 1.2fr 1fr; }
  .graph-demo-panel { padding: 20px; }
  .graph-demo-boundary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .graph-demo-reproduce { gap: 28px; }
}
@media (max-width: 740px) {
  .graph-demo-hero { padding-top: 40px; }
  .graph-demo-question, .graph-demo-panels, .graph-demo-reproduce { grid-template-columns: 1fr; }
  .graph-demo-question { padding: 24px; }
  .graph-demo-presets { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .graph-demo-presets button { min-height: 75px; padding: 12px; gap: 5px; }
  .graph-demo-presets button:last-child { grid-column: 1 / -1; }
  .graph-demo-panel { padding: 22px; }
  .graph-demo-reproduce { margin-top: 30px; }
  .graph-demo-reproduce > div { min-width: 0; }
  .graph-demo-body .site-header { flex-direction: row; align-items: center; min-height: 74px; gap: 10px; padding: 10px 0; }
  .graph-demo-body .site-header .brand-mark { width: 34px; height: 34px; flex-shrink: 0; }
  .graph-demo-body .site-nav { width: auto; }
  .graph-demo-body .site-nav .nav-cta { padding: 8px 12px; font-size: .65rem; }
  .graph-demo-body .site-nav a:not(.nav-cta) { display: none; }
  .graph-demo-body .brand-name { font-size: .7rem; }
}
@media (max-width: 420px) {
  .graph-demo-boundary-grid { grid-template-columns: 1fr; gap: 15px; }
  .graph-demo-question, .graph-demo-panel, .graph-demo-reproduce aside { padding: 18px; }
  .graph-demo-table { font-size: .77rem; }
  .graph-demo-counts { gap: 5px; }
  .graph-demo-counts dt { font-size: .69rem; }
  .graph-demo-body .graph-demo-answer { font-size: .76rem; padding: 13px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }