/* Portfolio palette and type follow heapmanager-windows; layout is registry-specific. */
:root {
  color-scheme: dark;
  --ink: #e7edf7;
  --muted: #a1b2c8;
  --paper: #090f1c;
  --surface: #101b2d;
  --line: #29384c;
  --cyan: #5be2f2;
  --live: #42c9de;
  --free: #55cd9b;
  --cached: #ffbd69;
  --metadata: #ac94ef;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(ellipse at 85% 5%, #11303c66, transparent 32rem), var(--paper);
  color: var(--ink);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--cyan); text-underline-offset: 4px; }
a:hover { color: #9ceff8; }
button, input, select { font: inherit; }
button, select, input[type="checkbox"] { cursor: pointer; }
button, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid #43566d;
  border-radius: 8px;
  padding: .65rem 1rem;
  background: #17253a;
  color: var(--ink);
  text-decoration: none;
  transition: background .18s, border-color .18s, transform .18s;
}
button:hover:not(:disabled), .button:hover { background: #243750; border-color: var(--cyan); }
button:disabled, input:disabled, select:disabled { opacity: .5; cursor: not-allowed; }
:focus-visible { outline: 3px solid var(--cached); outline-offset: 4px; }
h1, h2, h3 { line-height: 1.16; }
h1 { font-size: clamp(2.55rem, 5.1vw, 4.6rem); letter-spacing: -.055em; margin: 24px 0; font-weight: 700; }
h1 span { color: var(--cyan); }
h2 { font-size: clamp(1.85rem, 3.4vw, 2.85rem); letter-spacing: -.04em; font-weight: 650; margin: 10px 0 24px; }
h3 { font-size: 1.15rem; margin: 0 0 12px; line-height: 1.4; }
p { margin: 0 0 18px; }
code, pre, .mono { font-family: Consolas, monospace; }
code { font-size: .85em; overflow-wrap: anywhere; }
pre { margin: 0; font-size: .88rem; line-height: 1.85; overflow: auto; max-width: 100%; }
pre code { font-size: inherit; overflow-wrap: normal; }
.wrap { width: min(1200px, calc(100% - 64px)); margin-inline: auto; }
.section { padding-block: 76px; scroll-margin-top: 86px; }
.eyebrow { color: var(--muted); text-transform: uppercase; letter-spacing: .13em; font-size: .74rem; font-weight: 700; margin-bottom: 14px; }
.status-dot { display: inline-block; width: 7px; height: 7px; background: var(--cyan); border-radius: 50%; margin-right: 6px; box-shadow: 0 0 10px #5be2f266; }
.muted, .prose { color: var(--muted); }
.prose { max-width: 78ch; }
.prose strong, .prose em { color: var(--ink); }
.fine-print { font-size: .83rem; color: var(--muted); margin-bottom: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 50; background: var(--surface); padding: 12px; }
.skip-link:focus { top: 10px; }

.site-header { position: sticky; top: 0; z-index: 20; background: #090f1cf2; backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 26px; padding-block: 17px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 1.3rem; font-weight: 800; letter-spacing: -.035em; text-decoration: none; color: var(--ink); flex-shrink: 0; }
.brand-mark { border: 1px solid #3d7583; background: #11323e; padding: 2px 8px; border-radius: 6px; color: var(--cyan); font-family: Consolas, monospace; }
.brand-suffix { color: var(--muted); font: .63rem Consolas, monospace; letter-spacing: .13em; }
nav { display: flex; gap: 22px; font-size: .86rem; min-width: 0; }
nav a { color: var(--muted); text-decoration: none; white-space: nowrap; padding-block: 5px; }
nav a:hover { color: var(--cyan); }
.hero { padding-block: 82px 0; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr); align-items: center; gap: 52px; }
.hero-grid > *, .overview-grid > *, .lab-grid > *, .architecture-grid > *, .limits-grid > * { min-width: 0; }
.intro { color: #b5c5d9; font-size: 1.08rem; max-width: 550px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 16px; font-size: .91rem; }
.primary { background: var(--cyan); color: #081920; border-color: var(--cyan); font-weight: 700; }
.primary:hover { background: #9ceff8; color: #081920; }
.secondary { background: transparent; }
.route-card { margin: 0; border: 1px solid #36566a; background: #0d1928; border-radius: 14px; overflow: hidden; box-shadow: 0 24px 80px #0006; }
.panel-bar { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 15px 20px; background: #162338; color: var(--muted); font: .65rem Consolas, monospace; }
.tag, .badge { display: inline-block; border: 1px solid #346371; border-radius: 5px; background: #102e36; color: #91e5ef; padding: 4px 8px; font: .68rem/1.5 Consolas, monospace; }
.badge { border-radius: 30px; padding: 7px 13px; white-space: nowrap; font-family: inherit; font-size: .77rem; }
.tag.amber { border-color: #795d38; background: #33281b; color: var(--cached); }
.tag.purple { border-color: #625381; background: #251f39; color: #c7b5fa; }
.route-body { padding: 26px; background-image: linear-gradient(#b0cfe805 1px, transparent 1px), linear-gradient(90deg, #b0cfe805 1px, transparent 1px); background-size: 24px 24px; }
.path-label { color: var(--muted); font-size: .73rem; margin-bottom: 5px; }
.registry-path { color: var(--cached); font-size: .83rem; }
.route { list-style: none; padding: 0; margin: 26px 0; }
.route li { position: relative; display: grid; grid-template-columns: 12px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding-block: 14px; }
.route li:not(:last-child)::after { content: ""; position: absolute; top: 50%; bottom: -50%; left: 5px; width: 1px; background: #345767; }
.route-dot { position: relative; z-index: 1; height: 10px; width: 10px; border: 2px solid var(--cyan); border-radius: 50%; background: #0d1928; }
.route small { color: var(--muted); font-size: .65rem; display: block; }
.route strong { display: block; font-size: .86rem; font-weight: 600; }
.route li > code { color: var(--live); font-size: .62rem; }
figcaption { color: var(--muted); font-size: .73rem; padding: 18px 26px; border-top: 1px solid var(--line); }
.fact-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 58px 0 0; border-block: 1px solid var(--line); }
.fact-strip > div { padding: 22px 25px; border-right: 1px solid var(--line); }
.fact-strip > div:first-child { padding-left: 0; }.fact-strip > div:last-child { border-right: 0; }
.fact-strip dt { color: var(--muted); font-size: .75rem; }
.fact-strip dd { margin: 6px 0 0; color: var(--cyan); font: 1.85rem/1.3 Consolas, monospace; }
.fact-strip dd span { display: block; color: var(--muted); font: .73rem/1.6 system-ui, sans-serif; margin-top: 4px; }

.section-heading { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; margin-bottom: 24px; }
.section-heading h2 { margin-bottom: 0; }
.section-summary { color: var(--muted); max-width: 360px; font-size: .93rem; margin: 0; }
.overview-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 70px; margin-top: 32px; }
.boundary-card { border-left: 2px solid var(--cyan); background: linear-gradient(100deg, #112a3866, transparent); padding: 26px 30px; }
.boundary-card h3 { font-size: 1.5rem; letter-spacing: -.02em; }
.boundary-card code { color: var(--cached); display: block; margin-block: 18px; }
.boundary-card p:not(.eyebrow) { color: var(--muted); font-size: .91rem; }
.lab-section, .run-section { background: #0c1423; border-block: 1px solid var(--line); }
.lab-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 24px; margin-top: 30px; align-items: start; }
.panel { border: 1px solid var(--line); background: var(--surface); border-radius: 12px; padding: 25px; }
fieldset.panel { margin: 0; min-inline-size: 0; }
legend { padding-inline: 9px; color: var(--ink); font-size: .92rem; font-weight: 650; }
.control-caption { color: var(--muted); font-size: .8rem; }
.control-caption code { display: block; font-size: .85rem; color: var(--cyan); margin-top: 6px; }
.preset-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.preset-row button { font-size: .72rem; padding: 7px 9px; }
.flag-list { display: grid; gap: 7px; }
.flag-option { display: grid; grid-template-columns: 18px minmax(0, 1fr) auto; align-items: center; gap: 12px; border: 1px solid var(--line); border-radius: 7px; padding: 11px 12px; cursor: pointer; background: #0e1828; }
.flag-option:has(input:checked) { border-color: #458798; background: #12313c; }
input[type="checkbox"] { width: 17px; height: 17px; margin: 0; accent-color: var(--cyan); }
.flag-option strong { font-size: .84rem; font-weight: 600; display: block; }
.flag-option small, .monitor-option small { display: block; color: var(--muted); font-size: .72rem; }
.flag-option code { color: var(--muted); font-size: .7rem; }
.monitor-option { display: flex; align-items: center; gap: 12px; margin-block: 20px 12px; font-size: .82rem; cursor: pointer; }
.monitor-option input { flex-shrink: 0; }
.text-button { background: transparent; font-size: .75rem; padding: 7px 10px; }
.field-label { display: block; color: var(--muted); font-size: .74rem; margin-bottom: 8px; }
select { width: 100%; max-width: 100%; min-width: 0; padding: 12px; background: #152237; color: var(--ink); border: 1px solid #43566d; border-radius: 7px; font-size: .87rem; }
#scenario-description { margin-top: 14px; font-size: .84rem; min-height: 2.8em; }
.operation-details { margin: 20px 0; font-size: .8rem; }
.operation-details > div { display: grid; grid-template-columns: 125px minmax(0, 1fr); gap: 12px; padding-block: 7px; border-bottom: 1px solid var(--line); }
.operation-details dt { color: var(--muted); }.operation-details dd { margin: 0; overflow-wrap: anywhere; }
.decision-card { border-left: 3px solid var(--free); background: #122f2b; padding: 20px; margin-block: 24px; }
.decision-card strong { display: block; color: var(--free); font-size: 1.6rem; line-height: 1.25; letter-spacing: -.02em; }
.decision-card > code { display: block; margin: 10px 0; color: #b1dece; font-size: .8rem; }
.decision-card p { color: #bed1cc; font-size: .84rem; margin-bottom: 0; }
.decision-card .eyebrow { display: block; font-size: .65rem; margin-bottom: 10px; }
.decision-card[data-decision="deny"] { border-color: var(--cached); background: #30271c; }
.decision-card[data-decision="deny"] strong { color: var(--cached); }
.decision-card[data-decision="deny"] > code { color: #ead2b0; }
.decision-card[data-decision="deny"] p { color: #d9cbbb; }
.result-footer { display: grid; grid-template-columns: .4fr 1fr; gap: 20px; }
.result-footer strong { font-size: .84rem; font-weight: 500; }.result-footer > div > code { color: var(--cyan); font-size: 1.2rem; }
.command-box { min-width: 0; border: 1px solid var(--line); border-radius: 10px; background: #07111e; padding: 20px; }
.lab-results .command-box { margin-top: 18px; }
.command-heading { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.command-heading h3 { font-size: .83rem; margin: 0; }
.command-heading button { font-size: .73rem; padding: 6px 9px; }
.command-box pre { color: #9debd5; }.command-box .fine-print { margin-top: 14px; }
.copy-status { min-height: 1.5em; font-size: .79rem; color: var(--cached); margin: 8px 0 0; }
.notice { border-left: 3px solid var(--cached); padding: 12px 20px; margin-top: 26px; color: var(--muted); font-size: .86rem; background: #30271c33; }
.notice strong { color: var(--ink); }

.architecture-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.lane { padding: 28px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.lane-heading { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 18px; }.lane-heading h3 { margin: 0; font-size: .95rem; }
.flow-list { list-style: none; margin: 0; padding: 0 0 0 17px; border-left: 1px solid #345767; }
.flow-list li { position: relative; padding: 14px 0 14px 13px; }
.flow-list li::before { content: ""; position: absolute; width: 7px; height: 7px; left: -21px; top: 24px; background: var(--cyan); border-radius: 50%; }
.flow-list strong { display: block; font-size: .89rem; }.flow-list span { display: block; color: var(--muted); font-size: .84rem; margin-top: 4px; }
.cards { display: grid; gap: 18px; margin-top: 24px; }.three-columns { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { min-width: 0; border: 1px solid var(--line); border-radius: 12px; padding: 26px; background: #0f1a2b; }
.number { display: block; color: var(--cyan); font: .7rem Consolas, monospace; letter-spacing: .06em; margin-bottom: 20px; }
.card p { color: var(--muted); font-size: .87rem; }.card a { font-size: .82rem; }.card > .tag { margin-bottom: 20px; }
.card .fine-print { font-size: .77rem; }
.engineering-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 46px; margin-top: 28px; }
.detail-card { min-width: 0; border-top: 1px solid var(--line); padding-block: 24px 10px; }.detail-card p { color: var(--muted); font-size: .91rem; }
.telemetry-note { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 25px; margin-top: 22px; }
.telemetry-note p { color: var(--muted); font-size: .79rem; margin-top: 13px; margin-bottom: 0; }
.run-steps { list-style: none; padding: 0; margin: 34px 0 0; }
.run-steps > li { display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 24px; padding-block: 28px; border-top: 1px solid var(--line); }
.step-number { color: var(--cyan); font: 1.45rem Consolas, monospace; }
.run-steps > li > div > p { color: var(--muted); max-width: 86ch; font-size: .93rem; }
.run-steps > li > div > .fine-print { font-size: .82rem; margin-top: 12px; }.run-steps .notice { margin-block: 18px; }
.limits-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 60px; }
.limit-list { list-style: none; padding: 0; margin: 0; }
.limit-list li { border-top: 1px solid var(--line); padding-block: 20px; color: var(--muted); font-size: .9rem; }.limit-list strong { color: var(--cached); }
.design-section { padding-top: 0; }
.design-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.design-card { display: block; min-width: 0; border: 1px solid var(--line); border-radius: 12px; padding: 26px; text-decoration: none; color: var(--ink); background: #0f1a2b; transition: transform .18s, border-color .18s; }
.design-card:hover { transform: translateY(-3px); border-color: var(--cyan); color: var(--ink); }
.design-card h3 { font-size: 1.05rem; }.design-card h3 span { color: var(--cyan); }.design-card p { color: var(--muted); font-size: .85rem; margin-bottom: 0; }
footer { border-top: 1px solid var(--line); padding-block: 30px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 22px; color: var(--muted); font-size: .77rem; }
footer p { margin: 0; }.footer-brand { font-size: .95rem; }

@media (max-width: 1050px) {
  .header-inner { flex-wrap: wrap; gap: 8px; }
  nav { width: 100%; gap: 22px; overflow-x: auto; padding: 5px; }
  .section { scroll-margin-top: 130px; }
  .hero { padding-top: 54px; }.hero-grid { gap: 28px; }
  .route li { grid-template-columns: 12px minmax(0, 1fr); }.route li > code { display: none; }
  .lab-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 16px; }
  .panel { padding: 20px; }.overview-grid { gap: 32px; }
}
@media (max-width: 780px) {
  .hero-grid, .overview-grid, .lab-grid, .architecture-grid, .limits-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-grid { gap: 38px; }.route li { grid-template-columns: 12px minmax(0, 1fr) auto; }.route li > code { display: block; }
  .fact-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 36px; }
  .fact-strip > div { padding: 18px !important; }.fact-strip > div:nth-child(2) { border-right: 0; }.fact-strip > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .three-columns, .design-links, .telemetry-note { grid-template-columns: minmax(0, 1fr); }
  .section { padding-block: 55px; }.design-section { padding-top: 0; }.section-summary { max-width: 60ch; }
  .engineering-grid { gap: 18px 26px; }.limits-grid { gap: 24px; }
}
@media (max-width: 480px) {
  .wrap { width: calc(100% - 32px); }
  .brand { font-size: 1.17rem; }.brand-suffix { font-size: .57rem; }.header-inner { padding-block: 12px 8px; }
  nav { gap: 18px; font-size: .8rem; }
  .route-body, .lane, .card, .design-card, .panel, .telemetry-note { padding: 20px; }
  .panel-bar { padding: 12px; font-size: .59rem; }.panel-bar .tag { font-size: .57rem; }
  .route li { grid-template-columns: 12px minmax(0, 1fr); }.route li > code { display: none; }
  .route small { font-size: .62rem; }.route strong { font-size: .81rem; }
  .fact-strip dt { font-size: .7rem; }.fact-strip dd span { font-size: .67rem; }
  .engineering-grid { grid-template-columns: minmax(0, 1fr); }
  .operation-details > div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .flag-option { padding: 10px; gap: 8px; }.flag-option small { font-size: .67rem; }
  .result-footer { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .run-steps > li { grid-template-columns: 26px minmax(0, 1fr); gap: 12px; }.step-number { font-size: 1.15rem; }
  .command-box { padding: 14px; }.boundary-card { padding: 20px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}
@media print {
  :root { color-scheme: light; --ink: #111; --muted: #333; --paper: #fff; --surface: #fff; --cyan: #00616b; --line: #aaa; }
  body, .lab-section, .run-section, .card, .lane, .route-card, .design-card { background: white; color: black; }
  .site-header { position: static; background: white; }.hero { padding-top: 20px; }
  nav, button, .skip-link, #policy-controls { display: none; }
  .wrap { width: 100%; }.section { padding-block: 24px; }
  .hero-grid, .lab-grid, .architecture-grid { display: block; }.route-card { box-shadow: none; }
}