:root {
  --hero-note-width: 232px;
  --hero-window-width: 1040px;
  --table-min: 720px;
  --table-head: #F1EFE8;
  --topology-line: #2F333C;
}
.tabs-shell {
  max-width: 100%;
}
.tab-list {
  display: inline-flex;
  max-width: 100%;
  gap: 4px;
  padding: 4px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  -webkit-overflow-scrolling: touch;
}
.tab-list [role="tab"] {
  min-width: 72px;
  min-height: 40px;
  padding: 8px 14px;
  border: 0;
  border-radius: var(--radius-xs);
  background: var(--color-transparent);
  color: var(--color-muted);
  font-weight: 700;
  white-space: nowrap;
}
.tab-list [role="tab"][aria-selected="true"] {
  background: var(--accent-12);
  color: var(--color-accent);
}
[role="tabpanel"][hidden] {
  display: none;
}
.tab-panel {
  padding-top: 24px;
}
.toc-tabs {
  position: sticky;
  z-index: 30;
  top: calc(var(--nav-height) + 8px);
  display: flex;
  max-width: 100%;
  gap: 6px;
  margin-block: 24px 42px;
  padding: 6px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.toc-tabs a {
  display: inline-flex;
  min-width: max-content;
  min-height: 38px;
  align-items: center;
  padding: 7px 12px;
  border-radius: var(--radius-xs);
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 700;
}
.toc-tabs a.is-active,
.toc-tabs a[aria-current="location"] {
  background: var(--accent-12);
  color: var(--color-accent);
}
.faq-list {
  display: grid;
  gap: 10px;
}
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
}
.faq-item summary {
  position: relative;
  min-height: 54px;
  padding: 14px 48px 14px 18px;
  color: var(--color-text);
  font-weight: 750;
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 18px;
  color: var(--color-accent);
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  transform: translateY(-50%);
}
.faq-item[open] summary::after {
  content: "−";
}
.faq-answer {
  padding: 0 18px 18px;
  color: var(--color-muted);
}
.faq-answer > :last-child {
  margin-bottom: 0;
}
.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.plan-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: inset 0 1px 0 var(--overlay-top);
}
.plan-card.is-featured {
  border-color: var(--accent-35);
  background: var(--color-panel-raised);
  box-shadow: inset 0 1px 0 var(--accent-35), 0 22px 48px -24px var(--accent-45);
}
.plan-ribbon {
  position: absolute;
  top: 14px;
  right: 14px;
}
.plan-name {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
}
.plan-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 12px 0 18px;
}
.plan-price strong {
  font-family: var(--font-display);
  font-size: 42px;
  line-height: 1;
}
.plan-price span {
  color: var(--color-muted);
  font-size: 13px;
}
.plan-features {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  color: var(--color-muted);
}
.plan-features li {
  position: relative;
  padding: 7px 0 7px 22px;
}
.plan-features li::before {
  position: absolute;
  left: 0;
  color: var(--color-success);
  content: "✓";
}
.plan-card .btn {
  width: 100%;
  margin-top: auto;
}
.table-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  -webkit-overflow-scrolling: touch;
}
.data-table,
.route-table,
.compare-table {
  width: 100%;
  min-width: var(--table-min);
  border-collapse: collapse;
  background: var(--color-panel);
}
.data-table th,
.data-table td,
.route-table th,
.route-table td,
.compare-table th,
.compare-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--overlay-line);
  text-align: left;
  vertical-align: middle;
}
.data-table th,
.route-table th,
.compare-table th {
  background: var(--color-panel-raised);
  color: var(--table-head);
  font-size: 12px;
  font-weight: 800;
}
.data-table td:first-child,
.route-table td:first-child,
.compare-table td:first-child {
  color: var(--color-text);
  font-weight: 700;
}
.route-group th {
  color: var(--color-accent);
  font-family: var(--font-mono);
  letter-spacing: .04em;
}
.route-type {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  background: var(--tint-sky);
  color: var(--color-sky);
  font-size: 11px;
  font-weight: 750;
}
.prose > .data-table {
  display: block;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.platform-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}
.platform-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}
.platform-card > svg {
  width: 28px;
  height: 28px;
  margin-bottom: 18px;
  color: var(--color-accent);
}
.platform-card h3 {
  font-size: 17px;
}
.platform-card p {
  color: var(--color-muted);
  font-size: 13px;
}
.platform-card .btn {
  width: 100%;
  margin-top: auto;
}
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.article-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  transition: transform .18s ease, border-color .18s ease;
}
.article-card:hover {
  border-color: var(--accent-35);
  transform: translateY(-2px);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-bottom: 14px;
  color: var(--color-dim);
  font-family: var(--font-mono);
  font-size: 11px;
}
.article-card h3 {
  font-size: 20px;
}
.article-card p {
  color: var(--color-muted);
}
.article-card-link {
  margin-top: auto;
  color: var(--color-accent);
  font-weight: 700;
}
.callout {
  position: relative;
  margin-block: 26px;
  padding: 18px 20px 18px 24px;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: var(--accent-06);
  color: var(--color-muted);
}
.callout strong {
  color: var(--color-text);
}
.promo-block {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  margin-top: 56px;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--accent-35);
  border-radius: var(--radius-md);
  background: var(--color-panel-raised);
  box-shadow: inset 0 1px 0 var(--overlay-top), 0 28px 54px -32px var(--accent-45);
}
.promo-block h2 {
  margin-bottom: 8px;
  font-size: clamp(25px, 3vw, 34px);
}
.promo-block p {
  margin: 0;
  color: var(--color-muted);
}
.feature-bento {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.feature-card {
  min-width: 0;
  min-height: 250px;
  padding: 24px;
  border: 1px solid var(--overlay-edge);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: inset 0 1px 0 var(--overlay-top), var(--shadow-card);
  transition: transform .18s ease, box-shadow .18s ease;
}
.feature-card.wide {
  grid-column: span 2;
}
.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: inset 0 1px 0 var(--overlay-top), 0 24px 45px -22px var(--overlay-dark);
}
.feature-card p {
  color: var(--color-muted);
}
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
}
.chip-row span {
  padding: 4px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}
.hero-lab {
  position: relative;
  display: flex;
  min-height: max(calc(100svh - var(--nav-height)), 800px);
  flex-direction: column;
  align-items: center;
  padding: 32px var(--gutter) 0;
  overflow: hidden;
  overflow-x: clip;
  background: var(--color-bg);
}
.hero-glow-a,
.hero-glow-b {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.hero-glow-a {
  top: -30vh;
  left: -14vw;
  width: min(70vw, 900px);
  aspect-ratio: 1;
  background: radial-gradient(circle, var(--accent-08), var(--color-transparent) 62%);
}
.hero-glow-b {
  right: -10vw;
  bottom: -30vh;
  width: min(56vw, 720px);
  aspect-ratio: 1;
  background: radial-gradient(circle, var(--mist-05), var(--color-transparent) 60%);
}
.hero-grain {
  position: absolute;
  inset: 0;
  opacity: .05;
  pointer-events: none;
}
.hero-copy {
  position: relative;
  z-index: 3;
  display: flex;
  width: 100%;
  max-width: 820px;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.hero-copy > .badge {
  height: 32px;
  margin-bottom: 18px;
  padding-inline: 12px 14px;
}
.hero-copy h1 {
  font-size: 64px;
}
.hero-lede {
  max-width: 640px;
  margin-bottom: 22px;
  color: var(--color-muted);
  font-size: 18px;
}
.hero-lede strong {
  color: var(--color-text);
}
.underline-word {
  position: relative;
  display: inline-block;
}
.underline-word svg {
  position: absolute;
  right: 0;
  bottom: -.11em;
  left: 0;
  width: 100%;
  height: .2em;
  color: var(--color-accent);
  overflow: visible;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 0;
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  font-weight: 650;
}
.hero-trust li {
  display: inline-flex;
  align-items: center;
}
.hero-trust li + li::before {
  margin-inline: 12px;
  color: var(--color-dim);
  content: "·";
}
.hero-rows {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding-top: 12px;
  border-top: 1px solid var(--overlay-line);
}
.hero-row-items {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px 17px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.hero-row-items li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 650;
}
.hero-row-items svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.hero-row-items.flags svg {
  width: 24px;
  height: 18px;
}
.hero-row-sep {
  width: 1px;
  height: 18px;
  background: var(--color-border);
}
.hero-deck {
  position: absolute;
  z-index: 2;
  inset: 0;
  pointer-events: none;
}
.hero-note {
  position: absolute;
  display: grid;
  width: var(--hero-note-width);
  grid-template-columns: 28px 1fr;
  gap: 2px 10px;
  align-items: center;
  padding: 11px 14px 11px 12px;
  border: 1px solid var(--overlay-edge);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: inset 0 1px 0 var(--overlay-top), 0 16px 28px -12px var(--note-shadow), 0 6px 14px -8px var(--overlay-dark);
  animation: note-float 6s ease-in-out infinite;
  animation-delay: var(--note-delay);
  transform: rotate(var(--note-rotation)) translateY(-6px);
}
.hero-note.wide {
  width: 252px;
}
.hero-note-icon {
  display: grid;
  width: 28px;
  height: 28px;
  grid-row: 1 / 3;
  place-items: center;
  border-radius: 7px;
  background: var(--note-tint);
  color: var(--note-ink);
}
.hero-note-icon svg {
  width: 15px;
  height: 15px;
}
.hero-note strong {
  font-size: 13px;
  line-height: 1.25;
}
.hero-note small {
  color: var(--color-muted);
  font-size: 11px;
  line-height: 1.35;
}
.note-yellow {
  --note-tint: var(--accent-16);
  --note-ink: var(--color-accent);
  --note-shadow: var(--accent-16);
}
.note-pink {
  --note-tint: var(--tint-pink);
  --note-ink: var(--color-pink);
  --note-shadow: var(--tint-pink);
}
.note-mint {
  --note-tint: var(--tint-mint);
  --note-ink: var(--color-success);
  --note-shadow: var(--tint-mint);
}
.note-sky {
  --note-tint: var(--tint-sky);
  --note-ink: var(--color-sky);
  --note-shadow: var(--tint-sky);
}
.note-lilac {
  --note-tint: var(--tint-lilac);
  --note-ink: var(--color-lilac);
  --note-shadow: var(--tint-lilac);
}
.note-l1 { top: 56px; left: 6.5%; --note-rotation: -3deg; --note-delay: 0s; }
.note-l2 { top: 180px; left: 3%; --note-rotation: 2deg; --note-delay: -1.5s; }
.note-l3 { top: 300px; left: 8%; --note-rotation: -2deg; --note-delay: -3s; }
.note-l4 { top: 420px; left: 4.5%; --note-rotation: 3deg; --note-delay: -4.5s; }
.note-r1 { top: 48px; right: 7%; --note-rotation: 3deg; --note-delay: -2s; }
.note-r2 { top: 170px; right: 3%; --note-rotation: -2deg; --note-delay: -.8s; }
.note-r3 { top: 300px; right: 8.5%; --note-rotation: 2deg; --note-delay: -3.6s; }
.note-r4 { top: 416px; right: 4%; --note-rotation: -3deg; --note-delay: -5.2s; }
.hero-window {
  position: relative;
  z-index: 3;
  display: flex;
  width: min(var(--hero-window-width), 92vw);
  height: 360px;
  flex-direction: column;
  margin-top: auto;
  margin-bottom: -56px;
  overflow: hidden;
  border: 1px solid var(--overlay-edge);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: inset 0 1px 0 var(--overlay-top), var(--shadow-window);
}
.window-chrome {
  display: flex;
  height: 40px;
  flex-shrink: 0;
  align-items: stretch;
  padding-inline: 14px;
  border-bottom: 1px solid var(--overlay-line);
}
.window-dots {
  display: flex;
  align-items: center;
  gap: 7px;
  padding-right: 16px;
}
.window-dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.window-dots i:nth-child(1) { background: var(--color-error); }
.window-dots i:nth-child(2) { background: var(--color-warning); }
.window-dots i:nth-child(3) { background: var(--color-success); }
.window-tabs {
  display: flex;
}
.window-tabs span {
  position: relative;
  display: flex;
  align-items: center;
  padding-inline: 14px;
  color: var(--color-muted);
  font-size: 12px;
}
.window-tabs .active {
  color: var(--color-text);
  font-weight: 700;
}
.window-tabs .active::after {
  position: absolute;
  right: 10px;
  bottom: -1px;
  left: 10px;
  height: 2px;
  background: var(--color-accent);
  content: "";
}
.window-body {
  display: grid;
  min-height: 0;
  flex: 1;
  grid-template-columns: 58% 42%;
}
.window-routes,
.window-topology {
  min-width: 0;
  padding: 14px;
}
.window-routes {
  border-right: 1px solid var(--overlay-line);
}
.window-topology {
  background: var(--color-panel-raised);
}
.window-heading {
  display: flex;
  height: 26px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
  font-size: 12px;
  font-weight: 750;
}
.window-heading span {
  color: var(--color-dim);
  font-family: var(--font-mono);
  font-size: 10px;
}
.preview-routes {
  margin: 0;
  padding: 0;
  list-style: none;
}
.preview-route {
  display: grid;
  min-width: 0;
  min-height: 36px;
  grid-template-columns: 24px 1fr auto auto;
  gap: 9px;
  align-items: center;
  padding: 4px 8px;
  border-radius: var(--radius-xs);
}
.preview-route:first-child {
  background: var(--overlay-soft);
}
.preview-route > svg {
  width: 24px;
  height: 18px;
}
.preview-route strong {
  min-width: 0;
  font-size: 12px;
}
.preview-route .media-label {
  padding: 2px 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  color: var(--color-muted);
  font-size: 9px;
}
.connected-dot {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--color-success);
  font-size: 10px;
}
.connected-dot::before {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  content: "";
}
.topology-svg {
  width: 100%;
  height: 240px;
}
.topology-svg line {
  stroke: var(--topology-line);
  stroke-width: 1;
}
.topology-svg .active-line {
  stroke: var(--color-accent);
  stroke-width: 2;
}
.topology-svg text {
  fill: var(--color-muted);
  font-family: var(--font-body);
  font-size: 9px;
}
.topology-svg .core {
  fill: var(--color-panel);
  stroke: var(--color-accent);
  stroke-width: 1.5;
}
.topology-svg .node-a { fill: var(--color-accent); }
.topology-svg .node-b { fill: var(--color-pink); }
.topology-svg .node-c { fill: var(--color-success); }
.topology-svg .node-d { fill: var(--color-sky); }
.topology-svg .node-e { fill: var(--color-lilac); }
.flag-red { fill: var(--color-flag-red); }
.flag-white { fill: var(--color-flag-white); }
.flag-blue { fill: var(--color-flag-blue); }
.flag-navy { fill: var(--color-flag-navy); }
.flag-black { fill: var(--color-flag-black); }
.flag-gold { fill: var(--color-flag-gold); }
.preview-page {
  overflow-x: clip;
}
.preview-section {
  padding-top: 86px;
  padding-bottom: 86px;
}
.preview-heading {
  max-width: 720px;
  margin-bottom: 34px;
}
.preview-heading p {
  color: var(--color-muted);
}
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}
.swatch {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
}
.swatch-color {
  height: 82px;
  background: var(--swatch-color);
}
.swatch-label {
  padding: 10px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  overflow-wrap: anywhere;
}
.swatch-bg { --swatch-color: var(--color-bg); }
.swatch-panel { --swatch-color: var(--color-panel); }
.swatch-raised { --swatch-color: var(--color-panel-raised); }
.swatch-border { --swatch-color: var(--color-border); }
.swatch-accent { --swatch-color: var(--color-accent); }
.swatch-accent-dark { --swatch-color: var(--color-accent-dark); }
.swatch-text { --swatch-color: var(--color-text); }
.swatch-muted { --swatch-color: var(--color-muted); }
.swatch-success { --swatch-color: var(--color-success); }
.swatch-warning { --swatch-color: var(--color-warning); }
.swatch-error { --swatch-color: var(--color-error); }
.swatch-pink { --swatch-color: var(--color-pink); }
.swatch-sky { --swatch-color: var(--color-sky); }
.swatch-lilac { --swatch-color: var(--color-lilac); }
.type-specimen {
  display: grid;
  gap: 24px;
  padding: 30px;
}
.type-display {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 900;
  line-height: 1.1;
}
.type-body {
  max-width: 660px;
  color: var(--color-muted);
  font-size: 18px;
}
.type-mono {
  color: var(--color-accent);
  font-family: var(--font-mono);
}
.component-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.preview-footer {
  margin-top: 90px;
}
@keyframes note-float {
  0%, 100% { transform: rotate(var(--note-rotation)) translateY(-6px); }
  50% { transform: rotate(var(--note-rotation)) translateY(6px); }
}
@media (max-width: 1280px) {
  .hero-note {
    width: 204px;
  }
  .hero-note.wide {
    width: 220px;
  }
  .hero-copy h1 {
    font-size: 58px;
  }
}
@media (max-width: 980px) {
  .hero-deck {
    display: none;
  }
  .hero-lab {
    min-height: 0;
    padding-top: 38px;
  }
  .hero-window {
    height: auto;
    margin-top: 44px;
    margin-bottom: -40px;
  }
  .window-body {
    grid-template-columns: 1fr;
  }
  .window-routes {
    border-right: 0;
    border-bottom: 1px solid var(--overlay-line);
  }
  .platform-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .feature-bento {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .feature-card.wide {
    grid-column: auto;
  }
}
@media (max-width: 768px) {
  .plan-grid,
  .article-grid {
    grid-template-columns: 1fr;
  }
  .swatch-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .promo-block {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 640px) {
  .plan-ribbon {
    position: static;
    align-self: flex-start;
    margin-bottom: 10px;
  }
  .hero-lab {
    padding-top: 28px;
  }
  .hero-copy h1 {
    font-size: 38px;
  }
  .hero-lede {
    font-size: 15px;
  }
  .hero-rows {
    flex-direction: column;
    gap: 10px;
  }
  .hero-row-sep {
    display: none;
  }
  .window-tabs span {
    padding-inline: 9px;
  }
  .preview-route {
    grid-template-columns: 24px 1fr auto;
  }
  .preview-route .media-label {
    display: none;
  }
  .platform-grid,
  .feature-bento {
    grid-template-columns: 1fr;
  }
  .swatch-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .toc-tabs {
    top: calc(var(--nav-height) + 4px);
  }
}
@media (prefers-reduced-motion: reduce) {
  .hero-note {
    animation: none;
  }
}