:root {
  color-scheme: light;
  --navy: #12335d;
  --navy-2: #1f4b78;
  --teal: #159b96;
  --teal-dark: #0d746f;
  --teal-pale: #e5f4f1;
  --gold: #e9b44c;
  --coral: #e86a5a;
  --violet: #7954a5;
  --ink: #152234;
  --muted: #5c6877;
  --line: #d8e0e8;
  --line-dark: #a9b7c5;
  --canvas: #f3f6f8;
  --panel: #ffffff;
  --shadow: 0 12px 34px rgba(18, 51, 93, 0.09);
  --radius: 8px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: 0;
}

a { color: inherit; text-decoration: none; }
button, input { font: inherit; letter-spacing: 0; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
  padding: 10px max(24px, calc((100vw - 1440px) / 2));
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand img { width: 42px; height: 42px; object-fit: contain; }
.brand span { display: grid; }
.brand strong { color: var(--navy); font-size: 16px; line-height: 1.2; }
.brand small { color: var(--muted); font-size: 11px; }

nav { display: flex; align-items: center; gap: 24px; color: #34465a; font-size: 13px; font-weight: 650; }
nav a:hover { color: var(--teal-dark); }
.nav-command { padding: 8px 14px; border: 1px solid var(--navy); border-radius: 5px; color: var(--navy); }

main { overflow: hidden; }

.product-intro {
  max-width: 1320px;
  margin: 0 auto;
  padding: 58px 24px 34px;
  text-align: center;
}

.product-intro .eyebrow { margin-bottom: 9px; }
.product-intro h1 { max-width: none; margin: 0; color: #132033; font-size: clamp(38px, 5vw, 62px); line-height: 1.05; }
.product-lede { max-width: 880px; margin: 18px auto 0; color: var(--muted); font-size: 17px; line-height: 1.65; }
.intro-actions { display: flex; justify-content: center; gap: 10px; margin-top: 24px; }
.capability-line { display: flex; justify-content: center; flex-wrap: wrap; margin-top: 30px; color: #445468; font-size: 12px; font-weight: 700; }
.capability-line span { padding: 0 18px; border-right: 1px solid var(--line-dark); }
.capability-line span:first-child { padding-left: 0; }
.capability-line span:last-child { padding-right: 0; border-right: 0; }

.walkthrough {
  padding: 18px max(24px, calc((100vw - 1320px) / 2)) 64px;
}

.walkthrough-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 24px;
  margin-bottom: 17px;
}

.walkthrough-head h2,
.product-components h2,
.workspace-head h2 {
  margin: 0;
  color: #132033;
  font-size: 28px;
  line-height: 1.2;
}

.walkthrough-head p:last-child { max-width: 860px; margin: 8px 0 0; color: var(--muted); }
.replay-command { min-width: 78px; height: 36px; border: 1px solid var(--line-dark); border-radius: 5px; background: white; color: var(--navy); font-size: 12px; font-weight: 800; cursor: pointer; }
.replay-command:hover { border-color: var(--teal); color: var(--teal-dark); }

.harness-stage {
  margin: 0;
  overflow: hidden;
  background: white;
  border: 1px solid #bdc9d5;
  border-radius: 8px;
  box-shadow: 0 22px 55px rgba(18, 51, 93, 0.13);
}

.stage-bar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 47px; padding: 0 14px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.stage-brand { display: inline-flex; align-items: center; gap: 8px; color: #132033; }
.stage-brand img { width: 27px; height: 27px; }
.stage-state { justify-self: end; }
.stage-state i { display: inline-block; width: 7px; height: 7px; margin-right: 5px; border-radius: 50%; background: var(--teal); }
.harness-stage > img { display: block; width: 100%; height: auto; aspect-ratio: 1080 / 610; object-fit: cover; background: #f7f8fa; }
.harness-stage figcaption { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.harness-stage figcaption span { min-height: 47px; display: flex; align-items: center; justify-content: center; gap: 7px; padding: 8px; border-right: 1px solid var(--line); color: #4e5d6d; font-size: 11px; }
.harness-stage figcaption span:last-child { border-right: 0; }
.harness-stage figcaption b { color: var(--teal-dark); }

.product-components { padding: 64px max(24px, calc((100vw - 1320px) / 2)); background: white; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.compact-intro { margin-bottom: 24px; }
.component-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.component { min-height: 280px; padding: 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.component-title { display: flex; align-items: center; gap: 9px; }
.component-title > span { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 4px; background: var(--teal-pale); color: var(--teal-dark); font-size: 10px; font-weight: 850; }
.component h3 { margin: 0; color: #132033; font-size: 17px; }
.component > p { max-width: 560px; margin: 10px 0 17px; color: var(--muted); font-size: 12px; }

.composer-sample { overflow: hidden; border: 1px solid var(--line-dark); border-radius: 7px; background: #fbfcfd; box-shadow: 0 10px 25px rgba(18, 51, 93, .07); }
.composer-sample > span { display: block; min-height: 66px; padding: 13px; color: #34465a; font-size: 12px; }
.composer-sample > div { display: flex; align-items: center; gap: 8px; min-height: 36px; padding: 0 11px; border-top: 1px solid var(--line); color: #536173; font-size: 11px; }
.composer-sample b { display: grid; place-items: center; width: 20px; height: 20px; border: 1px solid var(--line-dark); border-radius: 50%; font-size: 14px; }
.composer-sample small { margin-left: auto; color: var(--teal-dark); }

.route-options { display: grid; gap: 7px; }
.route-options span { position: relative; min-height: 42px; display: flex; align-items: center; padding: 0 13px 0 38px; border: 1px solid var(--line-dark); border-radius: 6px; color: #435365; font-size: 12px; }
.route-options span::before { content: ""; position: absolute; left: 13px; width: 13px; height: 13px; border: 1.5px solid #8e9cac; border-radius: 50%; }
.route-options .selected { border-color: var(--teal); background: #eff9f7; color: var(--teal-dark); font-weight: 750; }
.route-options .selected::before { border: 4px solid var(--teal); background: white; }

.progress-card { padding: 13px; border: 1px solid var(--line-dark); border-radius: 6px; background: #fbfcfd; }
.progress-head { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 11px; }
.progress-head i { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); }
.progress-head strong { color: #26374a; }
.progress-head span { margin-left: auto; font-variant-numeric: tabular-nums; }
.progress-track { height: 6px; margin: 10px 0; overflow: hidden; border-radius: 3px; background: #dae3e8; }
.progress-track span { display: block; width: 78%; height: 100%; border-radius: 3px; background: var(--teal); animation: progress-in 1.2s ease-out both; }
.progress-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
.progress-metrics b { color: #25364a; font-size: 13px; font-variant-numeric: tabular-nums; }
.progress-metrics small { display: block; color: #7a8694; font-size: 9px; font-weight: 500; }

.export-sample { display: flex; flex-wrap: wrap; gap: 7px; }
.export-sample span { min-height: 30px; display: inline-flex; align-items: center; padding: 0 9px; border: 1px solid var(--line-dark); border-radius: 4px; background: #f7fafb; color: #35465a; font: 10px/1.2 "SFMono-Regular", Consolas, monospace; }

@keyframes progress-in { from { width: 0; } to { width: 78%; } }

.workspace {
  max-width: 1480px;
  margin: 0 auto;
  padding: 64px 24px;
}

.workspace-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 22px;
}

.eyebrow, .section-label, .rail-label {
  margin: 0 0 4px;
  color: var(--teal-dark);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 920px; margin-bottom: 6px; color: var(--navy); font-size: 34px; line-height: 1.16; }
.workspace-head p:last-child { max-width: 820px; margin-bottom: 0; color: var(--muted); }

.run-status {
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 1px 8px;
  min-width: 170px;
  padding: 10px 13px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 4px 14px rgba(18, 51, 93, 0.05);
  color: var(--muted);
  font-size: 11px;
}

.status-dot { width: 8px; height: 8px; background: var(--teal); border-radius: 50%; }
.run-status strong { grid-column: 2; color: var(--navy); font-size: 16px; }

.product-shell {
  display: grid;
  grid-template-columns: 225px minmax(0, 1fr);
  min-height: 690px;
  background: var(--panel);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.turn-rail {
  display: flex;
  flex-direction: column;
  padding: 18px 14px;
  background: #eef3f6;
  border-right: 1px solid var(--line);
}

.rail-label { padding: 0 7px 7px; color: var(--navy); }
.turn-list { display: grid; gap: 6px; }

.turn-button {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 8px;
  width: 100%;
  min-height: 62px;
  padding: 10px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  text-align: left;
  cursor: pointer;
}

.turn-button:hover { background: rgba(255, 255, 255, 0.65); }
.turn-button.active { background: var(--panel); border-color: var(--line-dark); color: var(--ink); box-shadow: 0 4px 12px rgba(18, 51, 93, 0.06); }
.turn-id { color: var(--teal-dark); font-size: 11px; font-weight: 850; }
.turn-copy { display: grid; align-content: start; }
.turn-copy strong { color: var(--navy); font-size: 12px; line-height: 1.3; }
.turn-copy small { color: var(--muted); font-size: 10px; line-height: 1.35; }

.memory-summary {
  margin-top: auto;
  padding: 12px 10px;
  background: #e7e0f2;
  border: 1px solid #cab9df;
  border-radius: 6px;
}
.memory-summary span, .memory-summary strong, .memory-summary small { display: block; }
.memory-summary span { color: var(--violet); font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; }
.memory-summary strong { margin: 3px 0; color: #4d3868; font-size: 12px; }
.memory-summary small { color: #68597a; font-size: 10px; line-height: 1.35; }

.case-main { min-width: 0; }
.case-toolbar { display: flex; justify-content: space-between; align-items: center; min-height: 54px; padding: 0 20px; border-bottom: 1px solid var(--line); }
.tabs { display: flex; align-items: stretch; gap: 22px; height: 54px; }
.tab { position: relative; padding: 0; border: 0; background: transparent; color: var(--muted); font-size: 12px; font-weight: 750; cursor: pointer; }
.tab::after { content: ""; position: absolute; right: 0; bottom: -1px; left: 0; height: 3px; background: transparent; }
.tab.active { color: var(--navy); }
.tab.active::after { background: var(--teal); }
.download-link { padding: 7px 10px; border: 1px solid var(--line-dark); border-radius: 5px; color: var(--navy); font-size: 11px; font-weight: 750; }

.request-band { display: grid; grid-template-columns: minmax(180px, 0.31fr) minmax(0, 1fr); gap: 24px; padding: 16px 20px; background: #f8fafb; border-bottom: 1px solid var(--line); }
.request-band h2 { margin: 0; color: var(--navy); font-size: 17px; line-height: 1.25; }
.request-band p { display: -webkit-box; max-height: 76px; margin: 0; overflow: hidden; color: #3d4b5c; font-size: 12px; line-height: 1.52; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }

.view { padding: 18px 20px 22px; }
.view[hidden] { display: none; }

.metric-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin-bottom: 14px; }
.metric { min-height: 68px; padding: 11px 13px; background: var(--panel); border: 1px solid var(--line); border-top: 3px solid var(--teal); border-radius: 5px; }
.metric:nth-child(2) { border-top-color: var(--navy-2); }
.metric:nth-child(3) { border-top-color: var(--gold); }
.metric:nth-child(4) { border-top-color: var(--violet); }
.metric span { display: block; color: var(--muted); font-size: 10px; font-weight: 700; text-transform: uppercase; }
.metric strong { display: block; margin-top: 3px; color: var(--navy); font-size: 18px; line-height: 1.2; }

.visual-grid { display: grid; grid-template-columns: 1.07fr 0.93fr; gap: 12px; }
.panel { min-width: 0; padding: 14px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); }
.panel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; min-height: 43px; }
.panel h3 { margin-bottom: 0; color: var(--navy); font-size: 15px; }
.legend { display: flex; gap: 12px; color: var(--muted); font-size: 10px; }
.legend span::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 4px; border-radius: 50%; }
.population-key::before { background: #9db0c3; }
.pareto-key::before { background: var(--teal); border: 1px solid var(--navy); }

.chart { display: block; width: 100%; height: auto; min-height: 285px; }
.chart text { fill: var(--muted); font-family: inherit; font-size: 12px; }
.chart .axis { stroke: #8796a6; stroke-width: 1.2; }
.chart .grid { stroke: #e7ecf1; stroke-width: 1; }
.chart .population-point { fill: #9db0c3; opacity: 0.6; }
.chart .pareto-line { fill: none; stroke: var(--teal-dark); stroke-width: 2.2; }
.chart .pareto-point { fill: var(--teal); stroke: var(--navy); stroke-width: 1.2; }
.chart .representative-point { fill: var(--gold); stroke: var(--navy); stroke-width: 2; }

.objective-pair { max-width: 160px; color: var(--muted); font-size: 10px; text-align: right; }
.schedule-chart { display: grid; gap: 12px; padding-top: 16px; }
.machine-lane { display: grid; grid-template-columns: 34px minmax(0, 1fr); align-items: center; gap: 8px; }
.machine-lane strong { color: var(--navy); font-size: 11px; }
.job-strip { display: flex; gap: 2px; min-width: 0; padding: 4px; overflow: hidden; background: #eef2f5; border: 1px solid var(--line); border-radius: 4px; }
.job-chip { display: grid; place-items: center; min-width: 29px; height: 34px; padding: 0 4px; border: 1px solid rgba(18, 51, 93, 0.25); border-radius: 3px; color: var(--navy); font-size: 8px; font-weight: 800; }
.job-chip:nth-child(4n + 1) { background: #dcece8; }
.job-chip:nth-child(4n + 2) { background: #e7e0f2; }
.job-chip:nth-child(4n + 3) { background: #fff0cc; }
.job-chip:nth-child(4n) { background: #f8deda; }
.schedule-empty { padding: 40px 16px; color: var(--muted); text-align: center; }

.trace-grid { margin-bottom: 12px; }
.trace-chart { min-height: 260px; }
.chart .range { fill: rgba(21, 155, 150, 0.13); }
.chart .mean-line { fill: none; stroke: #7a8796; stroke-width: 1.5; stroke-dasharray: 5 4; }
.chart .best-line { fill: none; stroke: var(--teal-dark); stroke-width: 2.4; }
.series-note { color: var(--muted); font-size: 10px; }

.restart-explanation { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 2px 18px; padding: 14px 16px; background: #f8fafb; border: 1px solid var(--line); border-radius: 6px; }
.restart-explanation .section-label { grid-column: 1; }
.restart-explanation strong { grid-column: 1; color: var(--navy); }
.restart-explanation p { grid-column: 2; grid-row: 1 / span 2; margin: 0; color: var(--muted); font-size: 11px; }
.reuse-meter { grid-column: 1 / -1; height: 6px; margin-top: 8px; overflow: hidden; background: #dbe3e9; border-radius: 3px; }
.reuse-meter span { display: block; width: 0; height: 100%; background: var(--teal); transition: width 180ms ease; }
.restart-explanation small { grid-column: 1 / -1; color: var(--muted); font-size: 10px; }

.artifact-flow { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 24px; margin-bottom: 18px; }
.flow-step { position: relative; min-height: 86px; padding: 11px; border: 1px solid var(--line-dark); border-radius: 5px; }
.flow-step:not(:last-child)::after { content: ">"; position: absolute; top: 31px; right: -17px; color: var(--teal-dark); font-size: 18px; font-weight: 800; }
.flow-step span { color: var(--teal-dark); font-size: 10px; font-weight: 800; }
.flow-step strong { display: block; margin: 3px 0; color: var(--navy); font-size: 12px; }
.flow-step small { display: block; color: var(--muted); font-size: 10px; line-height: 1.35; }
.artifact-details { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.artifact-details article { padding: 15px; border: 1px solid var(--line); border-radius: 6px; }
.artifact-details h3 { color: var(--navy); font-size: 14px; }
.artifact-details ul { margin: 0; padding-left: 17px; color: var(--muted); font-size: 11px; }
.artifact-details dl { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; margin: 0; color: var(--muted); font-size: 11px; }
.artifact-details dt, .artifact-details dd { margin: 0; }
.artifact-details dd { color: var(--navy); font-weight: 750; }

.release-band { padding: 62px max(24px, calc((100vw - 1320px) / 2)); background: #ffffff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-intro { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 8px 56px; align-items: end; margin-bottom: 26px; }
.section-intro .eyebrow { grid-column: 1; }
.section-intro h2 { grid-column: 1; margin: 0; color: var(--navy); font-size: 28px; line-height: 1.2; }
.section-intro > p:last-child { grid-column: 2; grid-row: 1 / span 2; margin: 0; color: var(--muted); }

.architecture-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.architecture-grid article { min-height: 170px; padding: 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.architecture-grid span { color: var(--teal); font-size: 11px; font-weight: 850; }
.architecture-grid h3 { margin: 8px 0 5px; color: var(--navy); font-size: 16px; }
.architecture-grid p { margin: 0; color: var(--muted); font-size: 12px; }

.release { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: 46px; align-items: center; padding: 64px max(24px, calc((100vw - 1320px) / 2)); background: #edf3f5; }
.release h2 { max-width: 620px; margin-bottom: 12px; color: var(--navy); font-size: 28px; line-height: 1.22; }
.release-copy > p:not(.eyebrow) { max-width: 650px; color: var(--muted); }
.release-actions { display: flex; gap: 9px; margin-top: 20px; }
.primary-command, .secondary-command { padding: 10px 14px; border-radius: 5px; font-size: 12px; font-weight: 800; }
.primary-command { background: var(--navy); color: white; }
.secondary-command { border: 1px solid var(--navy); color: var(--navy); }

.install-panel { overflow: hidden; background: #101d2d; border: 1px solid #27394d; border-radius: var(--radius); box-shadow: 0 14px 30px rgba(18, 51, 93, 0.16); color: white; }
.install-head, .install-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 15px; }
.install-head { border-bottom: 1px solid #304256; color: #c8d6e5; font-size: 11px; }
.install-head strong { color: #80d4cb; }
.install-panel pre { margin: 0; padding: 20px; overflow-x: auto; color: #e8eef5; font: 12px/1.7 "SFMono-Regular", Consolas, monospace; }
.install-foot { justify-content: flex-start; flex-wrap: wrap; border-top: 1px solid #304256; color: #a9bbcd; font-size: 9px; }
.install-foot span { padding-right: 12px; border-right: 1px solid #40546a; }

footer { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 22px max(24px, calc((100vw - 1320px) / 2)); background: white; border-top: 1px solid var(--line); }
.footer-brand img { width: 34px; height: 34px; }
footer p { max-width: 670px; margin: 0; color: var(--muted); font-size: 10px; text-align: right; }

@media (max-width: 1040px) {
  .component-grid { grid-template-columns: 1fr; }
  .product-shell { grid-template-columns: 190px minmax(0, 1fr); }
  .visual-grid, .trace-grid { grid-template-columns: 1fr; }
  .artifact-flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .flow-step::after { display: none; }
  .artifact-details { grid-template-columns: 1fr; }
  .architecture-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .topbar { position: static; padding: 10px 14px; }
  nav a:not(.nav-command) { display: none; }
  .product-intro { padding: 40px 18px 28px; text-align: left; }
  .product-intro h1 { font-size: 40px; }
  .product-lede { font-size: 15px; }
  .intro-actions { justify-content: flex-start; flex-direction: column; }
  .capability-line { justify-content: flex-start; gap: 7px 0; }
  .capability-line span { width: 50%; padding: 0 8px; border-right: 0; }
  .capability-line span:nth-child(odd) { padding-left: 0; }
  .walkthrough { padding: 14px 12px 42px; }
  .walkthrough-head { grid-template-columns: 1fr; }
  .replay-command { justify-self: start; }
  .stage-bar { grid-template-columns: 1fr auto; }
  .stage-bar > span:nth-child(2) { display: none; }
  .harness-stage figcaption { display: flex; overflow-x: auto; }
  .harness-stage figcaption span { flex: 0 0 142px; }
  .product-components { padding: 42px 18px; }
  .component { min-height: 0; padding: 18px; }
  .workspace { padding: 26px 12px 36px; }
  .workspace-head { align-items: flex-start; flex-direction: column; }
  h1 { font-size: 27px; }
  .run-status { width: 100%; }
  .product-shell { display: block; }
  .turn-rail { display: block; border-right: 0; border-bottom: 1px solid var(--line); }
  .turn-list { display: flex; overflow-x: auto; }
  .turn-button { flex: 0 0 190px; }
  .memory-summary { margin-top: 10px; }
  .case-toolbar { align-items: flex-start; gap: 8px; padding: 0 12px; overflow-x: auto; }
  .tabs { gap: 15px; flex: 0 0 auto; }
  .download-link { display: none; }
  .request-band { grid-template-columns: 1fr; gap: 8px; padding: 14px; }
  .view { padding: 12px; }
  .metric-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric strong { font-size: 15px; }
  .chart { min-height: 230px; }
  .restart-explanation { grid-template-columns: 1fr; }
  .restart-explanation p, .restart-explanation strong, .restart-explanation .section-label { grid-column: 1; grid-row: auto; }
  .artifact-flow { grid-template-columns: 1fr; gap: 8px; }
  .section-intro, .release { grid-template-columns: 1fr; }
  .section-intro .eyebrow, .section-intro h2, .section-intro > p:last-child { grid-column: 1; grid-row: auto; }
  .architecture-grid { grid-template-columns: 1fr; }
  .release-band, .release { padding: 42px 18px; }
  .release-actions { flex-direction: column; }
  footer { align-items: flex-start; flex-direction: column; }
  footer p { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .progress-track span, .reuse-meter span { animation: none; transition: none; }
}