:root {
  color-scheme: dark;
  --sta-canvas: #050505;
  --sta-surface: #080808;
  --sta-surface-2: #0c0c0c;
  --sta-header-bg: rgba(5,5,5,.96);
  --sta-border: #262626;
  --sta-border-strong: #383838;
  --sta-border-hover: #5a5a5a;
  --sta-text: #f4f4f2;
  --sta-text-hover: #fff;
  --sta-on-accent: #020302;
  --sta-text-strong: #d9d9d7;
  --sta-text-secondary: #c7c7c7;
  --sta-text-value: #d4d4d2;
  --sta-text-soft: #b9b9b7;
  --sta-muted: #a7a7a7;
  --sta-subtle: #7d7d7d;
  --sta-placeholder: #787878;
  --sta-link-rule: #555;
  --sta-danger-text: #f0a0a0;
  --sta-warning-text: #e0c78d;
  --sta-warning-border: #5e4b22;
  --sta-info-text: #b9cde4;
  --sta-info-strong: #dae7f5;
  --sta-info-border: #304860;
  --sta-accent: #339c5e;
  --sta-danger: #d86868;
  --sta-warning: #d6a957;
  --sta-info: #6e9fcf;
  --sta-success: #339c5e;
  --sta-radius-sm: 4px;
  --sta-radius-md: 6px;
  --sta-radius-lg: 8px;
  --sta-shell: 1240px;
  --sta-reading: 760px;
  --sta-ease: cubic-bezier(.2,.8,.2,1);
  --sta-motion-fast: 140ms;
  --sta-control-min: 44px;
  --sta-font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--sta-canvas);
  color: var(--sta-text);
  font-family: var(--sta-font);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
svg { display: block; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--sta-text-hover); }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:disabled, input:disabled, select:disabled, textarea:disabled { cursor: not-allowed; opacity: .56; }
.sta-button:disabled,
.sta-button[aria-disabled="true"] { transform: none; border-color: var(--sta-border); background: var(--sta-surface-2); color: var(--sta-subtle); box-shadow: none; }
.sta-button:disabled:hover,
.sta-button[aria-disabled="true"]:hover { transform: none; border-color: var(--sta-border); background: var(--sta-surface-2); color: var(--sta-subtle); }
[aria-busy="true"] { cursor: progress; }
[aria-busy="true"] [data-contact-submit]:disabled { opacity: .82; }
:focus-visible { outline: 2px solid var(--sta-accent); outline-offset: 3px; }
::selection { background: var(--sta-accent); color: var(--sta-on-accent); }

.screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.screen-reader-text:focus {
  position: fixed !important;
  top: 12px;
  left: 12px;
  z-index: 10000;
  width: auto;
  height: auto;
  margin: 0;
  padding: 10px 12px;
  clip: auto;
  overflow: visible;
  background: var(--sta-canvas);
  color: var(--sta-text);
  border: 1px solid var(--sta-accent);
  border-radius: var(--sta-radius-sm);
}

.sta-skip-link {
  position: fixed;
  z-index: 1000;
  left: 16px;
  top: -80px;
  padding: 10px 14px;
  background: var(--sta-text);
  color: var(--sta-canvas);
  border-radius: var(--sta-radius-sm);
  transition: top var(--sta-motion-fast) var(--sta-ease);
}
.sta-skip-link:focus { top: 16px; }

.sta-shell { width: min(calc(100% - 40px), var(--sta-shell)); margin-inline: auto; }
.sta-reading { width: min(100%, var(--sta-reading)); }
.sta-main { min-height: 60vh; }
.sta-section { padding: 68px 0; }
.sta-section + .sta-section { border-top: 1px solid var(--sta-border); }
.sta-section--tight { padding: 44px 0; }
.sta-section--surface { background: var(--sta-surface); }
.sta-stack > * + * { margin-top: 18px; }
.sta-flow > * + * { margin-top: 1.1em; }
.sta-muted { color: var(--sta-muted); }
.sta-eyebrow,
.sta-card-kicker,
.sta-search-result-type {
  margin: 0 0 10px;
  color: var(--sta-muted);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .07em;
  line-height: 1.35;
  text-transform: uppercase;
}
.sta-eyebrow .sta-missing { color: inherit; font-style: normal; }
.sta-card-kicker { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 14px; }
.sta-card-kicker > span:last-child { color: var(--sta-subtle); font-variant-numeric: tabular-nums; }
.sta-section-title { margin: 0; font-size: clamp(1.55rem, 2.7vw, 2.15rem); line-height: 1.14; letter-spacing: -.025em; }
.sta-hero h1,
.sta-page-title,
.sta-section-title,
.sta-decision-summary-title,
.sta-overview-title { text-wrap: balance; }
.sta-hero-copy,
.sta-page-intro,
.sta-section-copy,
.sta-lead { text-wrap: pretty; }
.sta-section-intro,
.sta-section-copy,
.sta-lead { max-width: 720px; margin: 12px 0 0; color: var(--sta-text-secondary); font-size: clamp(1rem, 1.4vw, 1.12rem); }
.sta-text-link { color: var(--sta-text-strong); font-size: .9rem; text-decoration-color: var(--sta-link-rule); }
.sta-text-link:hover { text-decoration-color: var(--sta-accent); }

/* Orientation and shell */
.sta-site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  background: var(--sta-header-bg);
  border-bottom: 1px solid var(--sta-border);
}
.sta-header-inner { min-height: 72px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; }
.sta-brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-weight: 750; letter-spacing: -.02em; }
.sta-brand-mark { flex: 0 0 34px; width: 34px; height: 34px; }
.sta-brand-name { white-space: nowrap; }
.sta-primary-nav { justify-self: center; }
.sta-nav-list,
.sta-footer-links { display: flex; align-items: center; gap: 24px; margin: 0; padding: 0; list-style: none; }
.sta-nav-list a,
.sta-footer-links a { color: var(--sta-muted); font-size: .9rem; font-weight: 570; text-decoration: none; }
.sta-nav-list a { display: inline-flex; min-height: var(--sta-control-min); align-items: center; }
.sta-nav-list a:hover,
.sta-nav-list .current-menu-item > a,
.sta-nav-list .current_page_item > a,
.sta-nav-list [aria-current="page"],
.sta-footer-links a:hover { color: var(--sta-text); }
.sta-nav-list [aria-current="page"] { text-decoration: underline; text-decoration-color: var(--sta-accent); text-underline-offset: 7px; }
.sta-footer-links [aria-current="page"] { color: var(--sta-text); font-weight: 650; text-decoration: underline; text-decoration-color: var(--sta-accent); text-underline-offset: 4px; }
.sta-menu-toggle { display: none; min-height: var(--sta-control-min); align-items: center; gap: 8px; background: transparent; color: var(--sta-text); border: 1px solid var(--sta-border); border-radius: var(--sta-radius-md); padding: 8px 10px; cursor: pointer; transition: background var(--sta-motion-fast) var(--sta-ease), border-color var(--sta-motion-fast) var(--sta-ease); }
.sta-menu-toggle[aria-expanded="true"] { background: var(--sta-surface-2); border-color: var(--sta-border-strong); }

.sta-breadcrumbs { padding: 18px 0 0; color: var(--sta-subtle); font-size: .79rem; }
.sta-breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 7px 0; margin: 0; padding: 0; list-style: none; }
.sta-breadcrumbs li { display: inline-flex; align-items: center; min-width: 0; }
.sta-breadcrumbs li + li::before { content: "/"; margin: 0 9px; color: var(--sta-link-rule); }
.sta-breadcrumbs a { color: var(--sta-muted); text-decoration: none; }
.sta-breadcrumbs a:hover { color: var(--sta-text); text-decoration: underline; text-decoration-color: var(--sta-accent); }
.sta-breadcrumbs [aria-current="page"] { color: var(--sta-text-strong); font-weight: 620; overflow-wrap: anywhere; }

/* Actions and fields */
.sta-header-action,
.sta-button {
  display: inline-flex;
  min-height: var(--sta-control-min);
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--sta-accent);
  border-radius: var(--sta-radius-md);
  background: var(--sta-accent);
  color: var(--sta-on-accent);
  font-size: .9rem;
  font-weight: 720;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--sta-motion-fast) var(--sta-ease), border-color var(--sta-motion-fast) var(--sta-ease), transform var(--sta-motion-fast) var(--sta-ease);
}
.sta-button:hover,
.sta-header-action:hover { background: var(--sta-accent); border-color: var(--sta-accent); color: var(--sta-on-accent); transform: translateY(-1px); }
.sta-button:active,
.sta-header-action:active { transform: translateY(1px); }
.sta-button--secondary { background: transparent; color: var(--sta-text); border-color: var(--sta-border-strong); }
.sta-button--secondary:hover { background: var(--sta-surface-2); border-color: var(--sta-border-hover); color: var(--sta-text-hover); }
.sta-button--external::after { content: "↗"; font-size: .82em; font-weight: 760; line-height: 1; }

.sta-search-panel {
  margin-top: 30px;
  max-width: 780px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "field action" "help help";
  gap: 7px 10px;
  align-items: end;
}
.sta-search-panel--page { margin-top: 0; max-width: 900px; }
.sta-search-input-wrap { grid-area: field; display: grid; gap: 7px; min-width: 0; }
.sta-search-panel > .sta-button { grid-area: action; }
.sta-search-help { grid-area: help; color: var(--sta-muted); font-size: .78rem; line-height: 1.45; }
.sta-search-input-wrap label,
.sta-field label,
.sta-filter-group label { display: block; color: var(--sta-text-secondary); font-size: .79rem; font-weight: 650; }
.sta-search-field,
.sta-field input,
.sta-field select,
.sta-field textarea,
.sta-filter-control,
.sta-compare-picker select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--sta-border-strong);
  border-radius: var(--sta-radius-md);
  background: var(--sta-surface);
  color: var(--sta-text);
  padding: 10px 12px;
}
.sta-search-field::placeholder,
.sta-field input::placeholder,
.sta-field textarea::placeholder { color: var(--sta-placeholder); }
.sta-search-field:focus,
.sta-field input:focus,
.sta-field select:focus,
.sta-field textarea:focus,
.sta-filter-control:focus,
.sta-compare-picker select:focus { border-color: var(--sta-accent); outline: 2px solid var(--sta-accent); outline-offset: 1px; }
.sta-field { display: grid; gap: 6px; }
.sta-field textarea { min-height: 160px; resize: vertical; }
.sta-field--error label { color: var(--sta-danger-text); }
.sta-field [aria-invalid="true"] { border-color: var(--sta-danger); }
.sta-field-help { margin: 5px 0 0; color: var(--sta-muted); font-size: .78rem; }
.sta-field-error { margin: 2px 0 0; color: var(--sta-danger-text); font-size: .8rem; }
.sta-error-summary { margin-bottom: 18px; }
.sta-error-summary > strong { display: block; }
.sta-error-summary ul { margin: 8px 0 0; padding-left: 1.2em; }
.sta-error-summary li + li { margin-top: 4px; }
.sta-error-summary a { color: inherit; text-decoration-color: currentColor; }
.sta-honeypot { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

/* Homepage gateway */
.sta-hero { padding: 68px 0 54px; border-bottom: 1px solid var(--sta-border); }
.sta-hero-grid { display: grid; grid-template-columns: minmax(0, 1.38fr) minmax(300px, .62fr); gap: 68px; align-items: end; }
.sta-hero-main { min-width: 0; }
.sta-hero h1 { max-width: 800px; margin: 0; font-size: clamp(2.35rem, 4vw, 3.55rem); line-height: 1.01; letter-spacing: -.05em; font-weight: 690; }
.sta-hero h1 span { color: var(--sta-muted); }
.sta-hero-copy { max-width: 660px; margin: 22px 0 0; color: var(--sta-text-secondary); font-size: 1.06rem; }
.sta-hero-links { display: flex; flex-wrap: wrap; gap: 9px 18px; margin-top: 17px; }
.sta-hero-links a { color: var(--sta-muted); font-size: .86rem; }
.sta-hero-side { border-left: 1px solid var(--sta-border); padding-left: 28px; }
.sta-hero-side p { margin: 0; color: var(--sta-muted); font-size: .9rem; }
.sta-decision-path { margin: 24px 0 0; padding: 0; list-style: none; }
.sta-decision-path li { display: grid; grid-template-columns: 34px 1fr; gap: 12px; padding: 12px 0; border-top: 1px solid var(--sta-border); }
.sta-decision-path li > span { color: var(--sta-subtle); font-size: .75rem; font-variant-numeric: tabular-nums; }
.sta-decision-path strong { display: block; font-size: .88rem; }
.sta-decision-path span { display: block; margin-top: 2px; color: var(--sta-muted); font-size: .8rem; }

.sta-index-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--sta-border); border-bottom: 1px solid var(--sta-border); }
.sta-index-link { min-height: 124px; padding: 20px 22px; border-right: 1px solid var(--sta-border); text-decoration: none; transition: background var(--sta-motion-fast) var(--sta-ease); }
.sta-index-link:last-child { border-right: 0; }
.sta-taxonomy-rail-item,
.sta-filter-chip,
.sta-pagination a,
.sta-tool-card,
.sta-search-result,
.sta-taxonomy-row,
.sta-editorial-list-item,
.sta-related-collection-list li,
.sta-aside-nav a,
.sta-selected-tool { transition: background var(--sta-motion-fast) var(--sta-ease), border-color var(--sta-motion-fast) var(--sta-ease), color var(--sta-motion-fast) var(--sta-ease); }
.sta-index-link:hover,
.sta-index-link:focus-visible { background: var(--sta-surface); }
.sta-index-number { display: block; margin-bottom: 14px; color: var(--sta-subtle); font-size: .75rem; font-variant-numeric: tabular-nums; }
.sta-index-link strong { display: block; font-size: 1rem; }
.sta-index-link > span:not(.sta-index-number) { display: block; margin-top: 7px; color: var(--sta-muted); font-size: .85rem; }

.sta-section-head { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 30px; align-items: end; margin-bottom: 26px; }
.sta-section-head > .sta-text-link { align-self: end; margin-bottom: 2px; }
.sta-taxonomy-rail { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); border: 1px solid var(--sta-border); border-radius: var(--sta-radius-lg); overflow: hidden; }
.sta-taxonomy-rail-item { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 12px; min-height: 82px; align-items: center; padding: 17px 18px; border-right: 1px solid var(--sta-border); border-bottom: 1px solid var(--sta-border); text-decoration: none; }
.sta-taxonomy-rail-item:nth-child(3n) { border-right: 0; }
.sta-taxonomy-rail-item:nth-last-child(-n+3) { border-bottom: 0; }
.sta-taxonomy-rail-item:hover,
.sta-taxonomy-rail-item:focus-visible { background: var(--sta-surface); }
.sta-taxonomy-rail-item strong { font-size: .94rem; }
.sta-taxonomy-rail-item span { color: var(--sta-subtle); font-size: .76rem; font-variant-numeric: tabular-nums; }

.sta-trust-band { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 30px; align-items: center; padding: 24px 0; }
.sta-trust-band p { max-width: 720px; margin: 0; color: var(--sta-muted); font-size: .87rem; }
.sta-trust-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px 18px; }
.sta-trust-links a { color: var(--sta-text-value); font-size: .84rem; }

/* Page headers and context */
.sta-page-header { padding: 54px 0 34px; border-bottom: 1px solid var(--sta-border); }
.sta-page-header--editorial { padding-bottom: 40px; }
.sta-page-header-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(250px, .42fr); gap: 56px; align-items: end; }
.sta-page-title { max-width: 900px; margin: 0; font-size: clamp(2.05rem, 3.7vw, 3.2rem); line-height: 1.03; letter-spacing: -.043em; }
.sta-page-intro { max-width: 720px; margin: 14px 0 0; color: var(--sta-muted); }
.sta-page-context { border-left: 1px solid var(--sta-border); padding-left: 24px; color: var(--sta-muted); font-size: .84rem; }
.sta-page-context > strong:first-child { display: block; color: var(--sta-text-strong); font-size: .75rem; font-weight: 700; letter-spacing: .06em; line-height: 1.35; text-transform: uppercase; }
.sta-page-context p { margin: 7px 0 0; }
.sta-page-context p:last-child { margin-bottom: 0; }
.sta-page-context .sta-text-link { display: inline-block; margin-top: 9px; }
.sta-article-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 16px 0 0; color: var(--sta-muted); font-size: .8rem; font-variant-numeric: tabular-nums; }

/* Directory */
.sta-filter-bar { padding: 22px 0; background: var(--sta-surface); border-bottom: 1px solid var(--sta-border); }
.sta-filter-disclosure > summary { display: none; }
.sta-filter-summary-state { color: var(--sta-muted); font-size: .78rem; font-variant-numeric: tabular-nums; }
.sta-filter-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 13px; }
.sta-filter-title { margin: 0; font-size: .96rem; }
.sta-filter-form { display: grid; grid-template-columns: minmax(210px,1.3fr) repeat(4,minmax(120px,.65fr)) minmax(138px,.65fr) auto; gap: 10px; align-items: end; }
.sta-filter-group label { margin-bottom: 5px; color: var(--sta-muted); font-size: .75rem; letter-spacing: .05em; text-transform: uppercase; }
.sta-filter-actions { display: flex; gap: 8px; }
.sta-active-filters { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 15px; }
.sta-active-filters-label { color: var(--sta-subtle); font-size: .76rem; }
.sta-filter-chip { display: inline-flex; min-height: var(--sta-control-min); align-items: stretch; border: 1px solid var(--sta-border-strong); border-radius: var(--sta-radius-sm); color: var(--sta-text-value); background: var(--sta-surface-2); font-size: .78rem; text-decoration: none; overflow: hidden; }
.sta-filter-chip-label { display: inline-flex; align-items: center; min-width: 0; padding: 8px 10px; overflow-wrap: anywhere; }
.sta-filter-chip-remove { display: inline-flex; min-width: 32px; align-items: center; justify-content: center; border-left: 1px solid var(--sta-border); color: var(--sta-muted); font-size: 1rem; line-height: 1; }
.sta-filter-chip:hover { border-color: var(--sta-border-strong); background: var(--sta-surface); }
.sta-filter-chip:hover .sta-filter-chip-remove,
.sta-filter-chip:focus-visible .sta-filter-chip-remove { color: var(--sta-text); background: var(--sta-surface-2); }
.sta-filter-chip:active { background: var(--sta-canvas); }
.sta-results-meta { margin-bottom: 18px; display: flex; justify-content: space-between; gap: 16px; color: var(--sta-muted); font-size: .85rem; }
.sta-results-meta > div { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.sta-results-count { color: var(--sta-text-strong); font-variant-numeric: tabular-nums; }
.sta-trust-key { display: flex; flex-wrap: wrap; align-items: baseline; gap: 5px 12px; margin: -6px 0 18px; padding: 10px 0 10px 12px; border-left: 2px solid var(--sta-border-strong); color: var(--sta-muted); font-size: .78rem; }
.sta-trust-key strong { color: var(--sta-text-value); font-size: .76rem; letter-spacing: .04em; text-transform: uppercase; }
.sta-pagination { margin-top: 28px; }
.sta-pagination .nav-links { display: flex; flex-wrap: wrap; gap: 8px; }
.sta-pagination a,
.sta-pagination span { display: inline-flex; min-width: var(--sta-control-min); min-height: var(--sta-control-min); align-items: center; justify-content: center; padding: 7px 10px; border: 1px solid var(--sta-border); border-radius: var(--sta-radius-sm); text-decoration: none; }
.sta-pagination .current { border-color: var(--sta-accent); background: var(--sta-surface-2); color: var(--sta-accent); font-weight: 760; box-shadow: inset 0 -2px 0 var(--sta-accent); }

.sta-tool-list { display: grid; gap: 1px; background: var(--sta-border); border: 1px solid var(--sta-border); border-radius: var(--sta-radius-lg); overflow: hidden; }
.sta-tool-card { display: grid; grid-template-columns: auto minmax(0,1fr) minmax(170px,.36fr) auto; gap: 20px; align-items: center; min-height: 126px; padding: 20px; background: var(--sta-surface); }
.sta-tool-card:hover { background: var(--sta-surface-2); }
.sta-tool-card:focus-within,
.sta-search-result:focus-within,
.sta-taxonomy-row:focus-within,
.sta-editorial-list-item:focus-within,
.sta-related-collection-list li:focus-within { background: var(--sta-surface-2); box-shadow: inset 2px 0 0 var(--sta-accent); }
.sta-tool-mark { align-self: start; }
.sta-tool-logo { width: 50px; height: 50px; object-fit: cover; border-radius: var(--sta-radius-md); border: 1px solid var(--sta-border); background: var(--sta-surface-2); }
.sta-tool-logo--fallback { display: inline-flex; align-items: center; justify-content: center; color: var(--sta-text-strong); font-size: 1.02rem; font-weight: 750; }
.sta-tool-main { min-width: 0; }
.sta-tool-title-row { display: flex; flex-wrap: wrap; align-items: center; gap: 7px 10px; }
.sta-tool-main h2,
.sta-tool-main h3,
.sta-tool-main h4 { margin: 0; min-width: 0; font-size: 1.08rem; line-height: 1.28; letter-spacing: -.01em; overflow-wrap: anywhere; }
.sta-tool-main h2 a,
.sta-tool-main h3 a,
.sta-tool-main h4 a { text-decoration: none; }
.sta-tool-summary { margin: 7px 0 0; color: var(--sta-muted); font-size: .9rem; line-height: 1.52; }
.sta-tool-context { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 0; margin: 12px 0 0; padding: 10px 0 0; border-top: 1px solid var(--sta-border); }
.sta-tool-context > div { min-width: 0; padding-right: 12px; }
.sta-tool-context > div + div { padding-left: 12px; border-left: 1px solid var(--sta-border); }
.sta-tool-context dt { color: var(--sta-subtle); font-size: .75rem; font-weight: 650; letter-spacing: .05em; line-height: 1.3; text-transform: uppercase; }
.sta-tool-context dd { margin: 4px 0 0; color: var(--sta-text-soft); font-size: .78rem; line-height: 1.45; overflow-wrap: anywhere; }
.sta-tool-facts { display: grid; align-content: center; gap: 0; padding-left: 20px; border-left: 1px solid var(--sta-border); color: var(--sta-muted); font-size: .8rem; }
.sta-tool-facts div { display: grid; gap: 2px; padding: 6px 0; }
.sta-tool-facts div + div { border-top: 1px solid var(--sta-border); }
.sta-tool-facts dt { color: var(--sta-subtle); font-size: .75rem; letter-spacing: .06em; text-transform: uppercase; }
.sta-tool-facts dd { margin: 0; color: var(--sta-text-value); font-size: .82rem; line-height: 1.4; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.sta-tool-actions { display: grid; align-content: center; gap: 6px; justify-items: end; }
.sta-tool-actions .sta-text-link { white-space: nowrap; }
.sta-tool-action { white-space: nowrap; }
.sta-meta-link { color: var(--sta-text-secondary); text-decoration: none; }
.sta-meta-link:hover { color: var(--sta-text-hover); text-decoration: underline; text-decoration-color: var(--sta-accent); }
.sta-meta-more { color: var(--sta-subtle); font-size: .75rem; font-weight: 650; white-space: nowrap; }

.sta-badge-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 9px; }
.sta-tool-title-row .sta-badge-row { margin-top: 0; }
.sta-badge { display: inline-flex; align-items: center; gap: 6px; min-height: 26px; padding: 3px 8px; border: 1px solid var(--sta-border); border-radius: var(--sta-radius-sm); color: var(--sta-text-soft); background: var(--sta-surface-2); font-size: .75rem; line-height: 1; }
.sta-badge--accent { color: var(--sta-accent); border-color: var(--sta-accent); }
.sta-badge--sponsored { color: var(--sta-warning-text); border-color: var(--sta-warning-border); }
.sta-badge--demo { color: var(--sta-info-text); border-color: var(--sta-info-border); }

/* Collections and editorial cards */
.sta-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 18px; }
.sta-library-list { border-top: 1px solid var(--sta-border); }
.sta-library-list .sta-collection-card,
.sta-library-list .sta-guide-card {
  display: grid;
  grid-template-columns: minmax(210px,.78fr) minmax(0,1.35fr) minmax(150px,.55fr);
  grid-template-rows: auto 1fr;
  gap: 6px 30px;
  min-height: 0;
  padding: 24px 0;
  border: 0;
  border-bottom: 1px solid var(--sta-border);
  border-radius: 0;
  background: transparent;
}
.sta-library-list .sta-card-kicker { grid-column: 1; grid-row: 1; }
.sta-library-list h3 { grid-column: 1; grid-row: 2; margin: 0; align-self: start; }
.sta-library-list .sta-card-copy { grid-column: 2; grid-row: 1 / span 2; margin: 0; align-self: center; max-width: 68ch; }
.sta-library-list .sta-card-footer { grid-column: 3; grid-row: 1 / span 2; margin: 0; flex-direction: column; align-items: flex-end; justify-content: center; text-align: right; }
.sta-collection-card,
.sta-guide-card { grid-column: span 4; display: flex; min-height: 244px; flex-direction: column; padding: 22px; border: 1px solid var(--sta-border); border-radius: var(--sta-radius-lg); background: var(--sta-surface); }
.sta-collection-card,
.sta-guide-card { transition: background var(--sta-motion-fast) var(--sta-ease), border-color var(--sta-motion-fast) var(--sta-ease); }
.sta-collection-card:hover,
.sta-guide-card:hover { border-color: var(--sta-border-strong); }
.sta-collection-card:focus-within,
.sta-guide-card:focus-within { border-color: var(--sta-border-strong); background: var(--sta-surface-2); box-shadow: inset 2px 0 0 var(--sta-accent); }
.sta-library-list .sta-collection-card:focus-within,
.sta-library-list .sta-guide-card:focus-within { background: var(--sta-surface); }
.sta-collection-card h3,
.sta-guide-card h3 { margin: 8px 0 0; font-size: 1.2rem; line-height: 1.24; }
.sta-collection-card h3 a,
.sta-guide-card h3 a { text-decoration: none; }
.sta-card-copy { margin: 12px 0 22px; color: var(--sta-muted); font-size: .9rem; }
.sta-card-footer { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--sta-subtle); font-size: .78rem; }

/* Tool decision surface */
.sta-tool-header { padding: 50px 0 38px; border-bottom: 1px solid var(--sta-border); }
.sta-tool-heading { display: grid; grid-template-columns: auto minmax(0,1fr) auto; gap: 20px 24px; align-items: start; }
.sta-tool-heading-mark .sta-tool-logo { width: 66px; height: 66px; }
.sta-tool-heading-main { min-width: 0; }
.sta-tool-heading-main h1 { margin: 0; font-size: clamp(2rem, 3.6vw, 3.05rem); line-height: 1.04; letter-spacing: -.042em; overflow-wrap: anywhere; }
.sta-tool-header-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.sta-tool-detail { display: grid; grid-template-columns: minmax(0,1fr) minmax(300px,360px); gap: 58px; padding: 46px 0 72px; }
.sta-tool-body { min-width: 0; }
.sta-decision-summary { min-width: 0; }
.sta-decision-summary-title { margin: 0; font-size: 1.5rem; letter-spacing: -.02em; }
.sta-decision-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); margin-top: 20px; border: 1px solid var(--sta-border); border-radius: var(--sta-radius-lg); overflow: hidden; }
.sta-decision-block { min-width: 0; padding: 19px 20px; border-right: 1px solid var(--sta-border); border-bottom: 1px solid var(--sta-border); background: var(--sta-surface); }
.sta-decision-block:nth-child(2n) { border-right: 0; }
.sta-decision-block:nth-last-child(-n+2) { border-bottom: 0; }
.sta-decision-block--caution { background: var(--sta-surface-2); }
.sta-decision-block h3 { margin: 0 0 10px; font-size: .82rem; letter-spacing: .05em; text-transform: uppercase; }
.sta-decision-block p { margin: 0; color: var(--sta-text-value); font-size: .88rem; }
.sta-fact-list { display: grid; gap: 7px; margin: 0; padding: 0 0 0 1.1em; color: var(--sta-text-value); font-size: .88rem; }
.sta-missing { color: var(--sta-subtle); font-style: italic; }
.sta-editor-note { margin-top: 26px; padding: 18px 20px; border-left: 3px solid var(--sta-accent); background: var(--sta-surface); }
.sta-editor-note-title { margin: 0 0 6px; font-size: .86rem; }
.sta-editor-note p:last-child { margin-bottom: 0; }
.sta-overview { margin-top: 34px; }
.sta-overview-title { margin: 0 0 14px; font-size: 1.45rem; letter-spacing: -.02em; }
.sta-tool-sidebar { align-self: start; position: sticky; top: 98px; }
.sta-decision-panel { border: 1px solid var(--sta-border); border-radius: var(--sta-radius-lg); background: var(--sta-surface); overflow: hidden; }
.sta-decision-panel-head { padding: 16px 18px; border-bottom: 1px solid var(--sta-border); }
.sta-decision-panel-head h2,
.sta-decision-panel > h2 { margin: 0; font-size: .86rem; text-transform: uppercase; letter-spacing: .06em; }
.sta-decision-panel-head p { margin: 5px 0 0; color: var(--sta-muted); font-size: .76rem; }
.sta-decision-list { margin: 0; }
.sta-decision-list > div { display: grid; grid-template-columns: 110px 1fr; gap: 14px; padding: 12px 18px; border-bottom: 1px solid var(--sta-border); }
.sta-decision-list dt { color: var(--sta-subtle); font-size: .75rem; }
.sta-decision-list dd { margin: 0; color: var(--sta-text-value); font-size: .82rem; overflow-wrap: anywhere; }
.sta-decision-actions { padding: 18px; display: grid; gap: 9px; }
.sta-action-unavailable { margin: 0; padding: 10px 11px; border: 1px dashed var(--sta-border-strong); border-radius: var(--sta-radius-sm); color: var(--sta-muted); font-size: .8rem; }
.sta-disclosure-note { padding: 14px 18px; border-top: 1px solid var(--sta-border); color: var(--sta-muted); font-size: .76rem; }
.sta-disclosure-note--standalone { margin: 18px 0 0; border: 1px solid var(--sta-border); border-left: 3px solid var(--sta-accent); border-radius: var(--sta-radius-sm); }

/* Content and editorial reading */
.sta-content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 230px; gap: 68px; padding: 52px 0 76px; }
.sta-content-layout--collection { grid-template-columns: minmax(0,1fr) minmax(230px,290px); }
.sta-content-layout--decision { grid-template-columns: minmax(0,1fr); gap: 0; }
.sta-content-layout--editorial { grid-template-columns: minmax(0,var(--sta-reading)) minmax(210px,260px); justify-content: space-between; }
.sta-aside-nav { position: sticky; top: 98px; align-self: start; border-left: 1px solid var(--sta-border); padding-left: 18px; }
.sta-aside-nav h2 { margin: 0 0 10px; font-size: .82rem; letter-spacing: .05em; text-transform: uppercase; }
.sta-aside-nav a { display: block; padding: 6px 0; color: var(--sta-muted); font-size: .84rem; text-decoration: none; }
.sta-aside-nav a:hover,
.sta-aside-nav [aria-current="page"] { color: var(--sta-text); }
.sta-aside-nav [aria-current="page"] { font-weight: 650; text-decoration: underline; text-decoration-color: var(--sta-accent); text-underline-offset: 4px; }
.sta-aside-ordered { margin: 8px 0 0; padding-left: 1.35em; color: var(--sta-muted); font-size: .84rem; }
.sta-aside-ordered li + li { margin-top: 8px; }
.sta-prose { color: var(--sta-text-secondary); overflow-wrap: anywhere; }
.sta-prose > *:first-child { margin-top: 0; }
.sta-prose h2,
.sta-prose h3,
.sta-prose h4 { color: var(--sta-text); line-height: 1.25; letter-spacing: -.018em; }
.sta-prose h2 { margin: 1.8em 0 .55em; font-size: 1.55rem; }
.sta-prose h3 { margin: 1.6em 0 .55em; font-size: 1.22rem; }
.sta-prose h4 { margin: 1.5em 0 .5em; font-size: 1rem; }
.sta-prose p { max-width: 72ch; margin: 0 0 1em; }
.sta-prose li { max-width: 72ch; }
.sta-prose a { text-decoration-color: var(--sta-link-rule); }
.sta-prose a:hover { text-decoration-color: var(--sta-accent); }
.sta-prose ul,
.sta-prose ol { margin: 0 0 1.1em; padding-left: 1.3em; }
.sta-prose li + li { margin-top: .32em; }
.sta-prose blockquote { margin: 1.6em 0; padding: 2px 0 2px 18px; border-left: 2px solid var(--sta-border-strong); color: var(--sta-text-soft); }
.sta-prose blockquote > :last-child { margin-bottom: 0; }
.sta-prose > :last-child { margin-bottom: 0; }
.sta-prose strong { color: var(--sta-text-strong); font-weight: 700; }
.sta-prose figure { margin: 1.75em 0; }
.sta-prose figure > :is(img, video, iframe) { display: block; max-width: 100%; }
.sta-prose ::marker { color: var(--sta-subtle); }
.sta-prose pre,
.sta-prose code { font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace; }
.sta-prose code { padding: .12em .3em; border: 1px solid var(--sta-border); border-radius: var(--sta-radius-sm); background: var(--sta-surface-2); font-size: .88em; }
.sta-prose pre { max-width: 100%; margin: 1.4em 0; padding: 15px; overflow: auto; border: 1px solid var(--sta-border); border-radius: var(--sta-radius-md); background: var(--sta-surface); }
.sta-prose pre code { padding: 0; border: 0; background: transparent; }
.sta-prose table { display: block; max-width: 100%; margin: 1.5em 0; overflow-x: auto; border-collapse: collapse; }
.sta-prose th,
.sta-prose td { min-width: 140px; padding: 10px 12px; border: 1px solid var(--sta-border); text-align: left; vertical-align: top; }
.sta-prose th { background: var(--sta-surface-2); color: var(--sta-text); font-weight: 680; }
.sta-prose caption { padding: 0 0 8px; color: var(--sta-muted); font-size: .82rem; text-align: left; }
.sta-prose hr { margin: 2em 0; border: 0; border-top: 1px solid var(--sta-border); }
.sta-prose figcaption { margin-top: 6px; color: var(--sta-subtle); font-size: .78rem; }

.sta-stack-tools { display: grid; gap: 1px; margin: 26px 0 0; padding: 0; list-style: none; border: 1px solid var(--sta-border); border-radius: var(--sta-radius-lg); background: var(--sta-border); overflow: hidden; }
.sta-stack-tools > li { position: relative; background: var(--sta-surface); }
.sta-stack-tools .sta-tool-card { border: 0; border-radius: 0; }
.sta-stack-entry { min-width: 0; }
.sta-stack-context { display: grid; grid-template-columns: minmax(110px,.28fr) minmax(0,1fr); gap: 18px; margin: 0; padding: 15px 20px 15px 62px; border-bottom: 1px solid var(--sta-border); background: var(--sta-surface-2); }
.sta-stack-context strong { font-size: .76rem; letter-spacing: .04em; text-transform: uppercase; }
.sta-stack-context span { color: var(--sta-muted); font-size: .88rem; line-height: 1.55; }
.sta-stack-index { position: absolute; z-index: 1; top: 12px; left: 12px; min-width: 28px; color: var(--sta-subtle); font-size: .75rem; font-variant-numeric: tabular-nums; }
.sta-stack-tools .sta-tool-mark { padding-top: 20px; }
.sta-continuation { margin-top: 50px; padding-top: 26px; border-top: 1px solid var(--sta-border); }
.sta-continuation h2 { margin: 0; font-size: 1.4rem; }
.sta-continuation p { max-width: 660px; color: var(--sta-muted); }
.sta-continuation-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

/* Compare */
.sta-compare-builder { margin-bottom: 30px; border: 1px solid var(--sta-border); border-radius: var(--sta-radius-lg); background: var(--sta-surface); }
.sta-compare-builder-head { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 18px; align-items: start; padding: 18px 20px; border-bottom: 1px solid var(--sta-border); }
.sta-compare-builder-title { margin: 0; font-size: 1.05rem; }
.sta-compare-help { margin: 5px 0 0; color: var(--sta-muted); font-size: .82rem; }
.sta-count-label { display: inline-flex; min-height: 30px; align-items: center; padding: 4px 8px; border: 1px solid var(--sta-border); border-radius: var(--sta-radius-sm); color: var(--sta-text-soft); font-size: .75rem; font-variant-numeric: tabular-nums; }
.sta-compare-picker { margin: 0; padding: 18px 20px; }
.sta-compare-fields { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 10px; }
.sta-compare-picker-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.sta-selected-tools { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.sta-selected-tool { display: inline-flex; min-height: var(--sta-control-min); align-items: stretch; border: 1px solid var(--sta-border); border-radius: var(--sta-radius-sm); background: var(--sta-surface-2); overflow: hidden; }
.sta-selected-tool > a:first-child { display: inline-grid; grid-template-columns: auto minmax(0,1fr); flex: 1 1 auto; min-width: 0; align-items: center; gap: 7px; padding: 7px 9px; color: var(--sta-text-value); font-size: .8rem; text-decoration: none; overflow-wrap: anywhere; }
.sta-selected-tool-index,
.sta-comparison-tool-index { color: var(--sta-subtle); font-size: .75rem; font-weight: 650; font-variant-numeric: tabular-nums; letter-spacing: .04em; }
.sta-selected-tool-remove { display: inline-flex; min-width: var(--sta-control-min); align-items: center; justify-content: center; border-left: 1px solid var(--sta-border); color: var(--sta-muted); text-decoration: none; }
.sta-selected-tool:hover,
.sta-selected-tool:focus-within { border-color: var(--sta-border-strong); background: var(--sta-surface); }
.sta-selected-tool-remove:hover { background: var(--sta-surface); color: var(--sta-text); }
.sta-compare-empty { color: var(--sta-muted); }
.sta-compare-empty h2 { margin: 0 0 8px; color: var(--sta-text-strong); font-size: 1.05rem; }
.sta-comparison-toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px; align-items: center; margin-bottom: 22px; }
.sta-comparison-toolbar > p { flex: 1 1 420px; margin: 0; color: var(--sta-muted); font-size: .82rem; line-height: 1.5; }
.sta-copy-control { display: none; align-items: center; gap: 10px; }
.sta-ui-ready .sta-copy-control { display: flex; }
.sta-copy-status { min-width: 90px; color: var(--sta-muted); font-size: .78rem; }
.sta-comparison-group { margin-top: 30px; }
.sta-comparison-group:first-of-type { margin-top: 0; }
.sta-comparison-group-head { display: grid; grid-template-columns: minmax(0,1fr) minmax(220px,.45fr); gap: 24px; align-items: end; margin-bottom: 10px; }
.sta-comparison-group-head h2 { margin: 0; font-size: 1.25rem; }
.sta-comparison-group-head p { margin: 0; color: var(--sta-muted); font-size: .82rem; }
.sta-comparison-scroll { max-width: 100%; overflow-x: auto; border: 1px solid var(--sta-border); border-radius: var(--sta-radius-md); }
.sta-comparison-scroll:focus-visible { outline-offset: 4px; }
.sta-comparison { width: 100%; min-width: 660px; border-collapse: collapse; background: var(--sta-surface); }
.sta-comparison--3 { min-width: 760px; }
.sta-comparison--4 { min-width: 900px; }
.sta-comparison caption { text-align: left; padding: 0 0 12px; color: var(--sta-muted); }
.sta-comparison th,
.sta-comparison td { padding: 14px 16px; border-right: 1px solid var(--sta-border); border-bottom: 1px solid var(--sta-border); vertical-align: top; text-align: left; overflow-wrap: anywhere; }
.sta-comparison tr:last-child th,
.sta-comparison tr:last-child td { border-bottom: 0; }
.sta-comparison th:last-child,
.sta-comparison td:last-child { border-right: 0; }
.sta-comparison thead th { background: var(--sta-surface-2); font-size: .88rem; }
.sta-comparison-tool-head { display: inline-grid; grid-template-columns: auto minmax(0,1fr); gap: 7px; align-items: baseline; text-decoration: none; }
.sta-comparison-tool-head:hover .sta-comparison-tool-index,
.sta-comparison-tool-head:focus-visible .sta-comparison-tool-index { color: var(--sta-muted); }
.sta-comparison thead th:first-child,
.sta-comparison tbody th { position: sticky; left: 0; z-index: 2; box-shadow: 1px 0 0 var(--sta-border); }
.sta-comparison thead th:first-child { z-index: 3; }
.sta-comparison tbody th { background: var(--sta-surface); }
.sta-comparison tbody th { width: 170px; color: var(--sta-muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; }
.sta-comparison tbody th > span:first-child { display: block; }
.sta-comparison-row--different > th { box-shadow: inset 2px 0 0 var(--sta-accent); }
.sta-difference-label { display: inline-block; margin-top: 6px; color: var(--sta-text-soft); font-size: .75rem; font-weight: 650; letter-spacing: 0; text-transform: none; }
.sta-comparison td { color: var(--sta-text-value); font-size: .87rem; }
.sta-comparison-missing { color: var(--sta-subtle); font-style: italic; }
.sta-comparison-actions { margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--sta-border); }
.sta-comparison-actions h2 { margin: 0; font-size: 1.35rem; }
.sta-comparison-actions > div:first-child > p:last-child { margin: 7px 0 0; max-width: 680px; color: var(--sta-muted); font-size: .86rem; line-height: 1.5; }
.sta-comparison-destinations { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1px; margin-top: 16px; border: 1px solid var(--sta-border); border-radius: var(--sta-radius-md); overflow: hidden; background: var(--sta-border); }
.sta-comparison-destination { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 14px; align-items: center; padding: 15px 16px; background: var(--sta-surface); }
.sta-comparison-destination strong { font-size: .9rem; }
.sta-comparison-next { margin-top: 10px; color: var(--sta-muted); font-size: .82rem; }
.sta-section-action { display: grid; justify-items: end; gap: 5px; }
.sta-action-help { max-width: 210px; color: var(--sta-subtle); font-size: .75rem; line-height: 1.4; text-align: right; }

/* Taxonomy index */
.sta-taxonomy-index { border: 1px solid var(--sta-border); border-radius: var(--sta-radius-lg); overflow: hidden; }
.sta-taxonomy-row { display: grid; grid-template-columns: 70px minmax(0,1fr) auto; gap: 20px; align-items: center; min-height: 94px; padding: 16px 18px; background: var(--sta-surface); }
.sta-taxonomy-row + .sta-taxonomy-row { border-top: 1px solid var(--sta-border); }
.sta-taxonomy-row:hover { background: var(--sta-surface-2); }
.sta-taxonomy-count { color: var(--sta-subtle); font-size: .76rem; font-variant-numeric: tabular-nums; }
.sta-taxonomy-count strong, .sta-taxonomy-count span { display: block; }
.sta-taxonomy-count strong { color: var(--sta-text-value); font-size: .95rem; }
.sta-taxonomy-main { min-width: 0; }
.sta-taxonomy-main h2,
.sta-taxonomy-main h3 { margin: 0; font-size: 1rem; overflow-wrap: anywhere; }
.sta-taxonomy-main p { margin: 5px 0 0; color: var(--sta-muted); font-size: .84rem; }
.sta-taxonomy-action { white-space: nowrap; color: var(--sta-text-value); font-size: .82rem; }

/* Search and editorial indexes */
.sta-search-results { display: grid; gap: 1px; background: var(--sta-border); border: 1px solid var(--sta-border); border-radius: var(--sta-radius-lg); overflow: hidden; }
.sta-search-result { display: grid; grid-template-columns: 92px minmax(0,1fr) auto; gap: 20px; align-items: center; padding: 19px 20px; background: var(--sta-surface); }
.sta-search-result:hover { background: var(--sta-surface-2); }
.sta-search-result-main { min-width: 0; }
.sta-search-result h2 { margin: 0; font-size: 1.08rem; overflow-wrap: anywhere; }
.sta-search-result h2 a { text-decoration: none; }
.sta-search-result p { margin: 7px 0 0; color: var(--sta-muted); font-size: .88rem; }
.sta-search-result-meta { display: flex; flex-wrap: wrap; gap: 5px 14px; margin-top: 10px; color: var(--sta-subtle); font-size: .76rem; font-variant-numeric: tabular-nums; }
.sta-search-result-meta strong { color: var(--sta-muted); font-weight: 650; }
.sta-search-result-action { white-space: nowrap; }
.sta-editorial-list { border: 1px solid var(--sta-border); border-radius: var(--sta-radius-lg); overflow: hidden; }
.sta-editorial-list-item { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 28px; padding: 20px; background: var(--sta-surface); }
.sta-editorial-list-item + .sta-editorial-list-item { border-top: 1px solid var(--sta-border); }
.sta-editorial-list-item h2 { margin: 0; font-size: 1.16rem; }
.sta-editorial-list-item p { margin: 8px 0 0; color: var(--sta-muted); }

.sta-related-grid { display: grid; grid-template-columns: minmax(0,1.55fr) minmax(230px,.45fr); gap: 44px; align-items: start; }
.sta-related-grid--single { grid-template-columns: minmax(0,1fr); }
.sta-related-main,
.sta-related-side { min-width: 0; }
.sta-related-group + .sta-related-group { margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--sta-border); }
.sta-related-side { display: grid; gap: 28px; border-left: 1px solid var(--sta-border); padding-left: 22px; }
.sta-related-panel + .sta-related-panel { padding-top: 24px; border-top: 1px solid var(--sta-border); }
.sta-related-label { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 16px; margin-bottom: 12px; }
.sta-related-label h3 { margin: 0; font-size: .82rem; line-height: 1.3; letter-spacing: .04em; text-transform: uppercase; }
.sta-related-label span { max-width: 42ch; color: var(--sta-subtle); font-size: .76rem; line-height: 1.45; }
.sta-related-collection-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--sta-border); }
.sta-related-collection-list li { display: grid; grid-template-columns: 30px minmax(0,1fr); gap: 10px; align-items: baseline; padding: 13px 0; border-bottom: 1px solid var(--sta-border); }
.sta-related-collection-list li > span { color: var(--sta-subtle); font-size: .75rem; font-variant-numeric: tabular-nums; }
.sta-related-collection-list a { font-size: .88rem; font-weight: 620; text-decoration-color: var(--sta-link-rule); overflow-wrap: anywhere; }

/* Feedback and recovery */
.sta-notice { padding: 13px 15px; border: 1px solid var(--sta-border); border-left-width: 3px; border-radius: var(--sta-radius-md); background: var(--sta-surface); color: var(--sta-text-secondary); }
.sta-notice--success { border-left-color: var(--sta-success); }
.sta-notice--error { border-left-color: var(--sta-danger); }
.sta-notice--warning { border-left-color: var(--sta-warning); }
.sta-notice--info { border-left-color: var(--sta-info); }
.sta-notice > strong:first-child { color: var(--sta-text-strong); }
.sta-notice--spaced { margin: 18px 0; }
.sta-form { display: grid; gap: 16px; max-width: 720px; }
.sta-form-note { margin: 0; color: var(--sta-muted); font-size: .82rem; line-height: 1.5; }
.sta-empty { padding: 32px; border: 1px dashed var(--sta-border-strong); border-radius: var(--sta-radius-lg); text-align: left; }
.sta-empty h2 { margin-top: 0; font-size: 1.32rem; }
.sta-empty p { max-width: 650px; color: var(--sta-muted); }
.sta-empty > :last-child { margin-bottom: 0; }
.sta-empty-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.sta-recovery-page { padding: 74px 0 88px; }
.sta-recovery-code { display: block; margin-bottom: 12px; color: var(--sta-subtle); font-size: .78rem; letter-spacing: .08em; font-variant-numeric: tabular-nums; }
.sta-empty--recovery { max-width: 820px; padding: 36px; }
.sta-recovery-links { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1px; margin-top: 24px; border: 1px solid var(--sta-border); border-radius: var(--sta-radius-md); overflow: hidden; background: var(--sta-border); }
.sta-recovery-links a { min-height: 48px; padding: 12px; background: var(--sta-surface); text-align: center; text-decoration: none; }
.sta-recovery-links a:hover,
.sta-recovery-links a:focus-visible { background: var(--sta-surface-2); }
.sta-404-search { margin-top: 24px; }

/* Footer */
.sta-site-footer { border-top: 1px solid var(--sta-border); background: var(--sta-surface); }
.sta-footer-grid { display: grid; grid-template-columns: 1.25fr repeat(3,.62fr); gap: 40px; padding: 48px 0; }
.sta-brand--footer { pointer-events: none; }
.sta-footer-brand p,
.sta-footer-note p { max-width: 390px; color: var(--sta-muted); font-size: .84rem; }
.sta-footer-section h2 { margin: 0 0 12px; color: var(--sta-text-strong); font-size: .76rem; letter-spacing: .06em; text-transform: uppercase; }
.sta-footer-links { align-items: flex-start; flex-direction: column; gap: 9px; }
.sta-footer-note a { text-decoration-color: var(--sta-link-rule); }
.sta-footer-bottom { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--sta-border); color: var(--sta-subtle); font-size: .75rem; }
.sta-demo-banner { padding: 10px 0; background: var(--sta-surface-2); border-bottom: 1px solid var(--sta-info-border); color: var(--sta-info-text); font-size: .8rem; }
.sta-demo-banner strong { color: var(--sta-info-strong); }

@media (max-width: 1100px) {
  .sta-header-inner { grid-template-columns: auto 1fr auto; gap: 16px; }
  .sta-primary-nav { justify-self: end; }
  .sta-nav-list { gap: 15px; }
  .sta-header-action { display: none; }
  .sta-hero-grid { gap: 42px; }
  .sta-filter-form { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .sta-filter-group--keyword { grid-column: span 2; }
  .sta-filter-actions { grid-column: span 3; }
  .sta-tool-card { grid-template-columns: auto minmax(0,1fr) minmax(155px,.35fr); }
  .sta-tool-actions { grid-column: 2 / -1; grid-row: 2; display: flex; justify-content: flex-start; align-items: center; }
  .sta-collection-card,
  .sta-guide-card { grid-column: span 6; }
  .sta-footer-grid { grid-template-columns: 1.2fr repeat(3,.7fr); gap: 28px; }
}

@media (max-width: 820px) {

  .sta-library-list .sta-collection-card,
  .sta-library-list .sta-guide-card { grid-template-columns: minmax(0,1fr); grid-template-rows: auto; gap: 8px; padding: 20px 0; }
  .sta-library-list .sta-card-kicker,
  .sta-library-list h3,
  .sta-library-list .sta-card-copy,
  .sta-library-list .sta-card-footer { grid-column: 1; grid-row: auto; }
  .sta-library-list .sta-card-footer { margin-top: 6px; flex-direction: row; align-items: center; justify-content: space-between; text-align: left; }
  .sta-shell { width: min(calc(100% - 28px), var(--sta-shell)); }
  .sta-header-inner { min-height: 64px; grid-template-columns: 1fr auto; }
  .sta-ui-ready .sta-menu-toggle { display: inline-flex; justify-self: end; }
  .sta-primary-nav { display: block; grid-column: 1 / -1; width: 100%; justify-self: stretch; padding: 4px 0 16px; }
  .sta-ui-ready .sta-primary-nav { display: none; }
  .sta-ui-ready .sta-primary-nav[data-open="true"] { display: block; }
  .sta-primary-nav .sta-nav-list { display: grid; gap: 0; border: 1px solid var(--sta-border); border-radius: var(--sta-radius-md); overflow: hidden; }
  .sta-primary-nav .sta-nav-list li + li { border-top: 1px solid var(--sta-border); }
  .sta-primary-nav .sta-nav-list a { display: flex; min-height: var(--sta-control-min); align-items: center; padding: 11px 13px; background: var(--sta-surface); }
  .sta-nav-list [aria-current="page"] { text-decoration: none; border-left: 3px solid var(--sta-accent); }
  .sta-hero { padding-top: 52px; }
  .sta-hero-grid,
  .sta-page-header-grid,
  .sta-tool-detail,
  .sta-content-layout,
  .sta-content-layout--collection,
  .sta-content-layout--editorial { grid-template-columns: 1fr; gap: 34px; }
  .sta-hero-side,
  .sta-page-context { border-left: 0; border-top: 1px solid var(--sta-border); padding: 22px 0 0; }
  .sta-index-strip { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .sta-index-link:nth-child(2) { border-right: 0; }
  .sta-index-link:nth-child(-n+2) { border-bottom: 1px solid var(--sta-border); }
  .sta-taxonomy-rail { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .sta-taxonomy-rail-item:nth-child(3n) { border-right: 1px solid var(--sta-border); }
  .sta-taxonomy-rail-item:nth-child(2n) { border-right: 0; }
  .sta-taxonomy-rail-item:nth-last-child(-n+3) { border-bottom: 1px solid var(--sta-border); }
  .sta-taxonomy-rail-item:nth-last-child(-n+2) { border-bottom: 0; }
  .sta-trust-band { grid-template-columns: 1fr; }
  .sta-trust-links { justify-content: flex-start; }
  .sta-tool-heading { grid-template-columns: auto minmax(0,1fr); }
  .sta-tool-header-actions { grid-column: 1 / -1; justify-content: flex-start; }
  .sta-tool-sidebar,
  .sta-aside-nav { position: static; }
  .sta-related-grid { grid-template-columns: 1fr; gap: 30px; }
  .sta-related-side { border-left: 0; border-top: 1px solid var(--sta-border); padding: 22px 0 0; }
  .sta-aside-nav { border-left: 0; border-top: 1px solid var(--sta-border); padding: 18px 0 0; }
  .sta-compare-fields { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .sta-comparison-group-head { grid-template-columns: 1fr; gap: 5px; }
  .sta-comparison-destinations { grid-template-columns: 1fr; }
  .sta-footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
  .sta-footer-note { grid-column: 1 / -1; border-top: 1px solid var(--sta-border); padding-top: 20px; }
}

@media (max-width: 620px) {
  .sta-section { padding: 48px 0; }
  .sta-filter-bar { padding: 10px 0; }
  .sta-filter-disclosure > summary { display: flex; min-height: 50px; align-items: center; justify-content: space-between; gap: 16px; padding: 8px 0; cursor: pointer; list-style: none; }
  .sta-filter-disclosure > summary::-webkit-details-marker { display: none; }
  .sta-filter-disclosure > summary:focus-visible { outline-offset: 2px; }
  .sta-filter-disclosure > summary::after { content: "+"; flex: 0 0 auto; color: var(--sta-muted); font-size: 1.2rem; font-weight: 400; line-height: 1; }
  .sta-filter-disclosure[open] > summary::after { content: "−"; }
  .sta-filter-summary .sta-eyebrow { margin-bottom: 2px; }
  .sta-filter-summary strong { display: block; font-size: .92rem; }
  .sta-filter-content { padding: 16px 0 10px; border-top: 1px solid var(--sta-border); }
  .sta-filter-content .sta-filter-heading .sta-eyebrow { display: none; }
  .sta-section--tight { padding: 34px 0; }
  .sta-hero { padding: 44px 0 42px; }
  .sta-hero h1 { font-size: clamp(2.15rem, 11vw, 2.95rem); }
  .sta-page-title { font-size: clamp(1.9rem, 9vw, 2.55rem); }
  .sta-search-panel {
    grid-template-columns: 1fr;
    grid-template-areas: "field" "help" "action";
  }
  .sta-search-panel .sta-button { width: 100%; }
  .sta-section-head,
  .sta-section-head > .sta-text-link { justify-self: start; margin-bottom: 0; }
  .sta-index-strip { grid-template-columns: 1fr; }
  .sta-index-link { border-right: 0; border-bottom: 1px solid var(--sta-border); min-height: 100px; }
  .sta-index-link:nth-child(-n+2) { border-bottom: 1px solid var(--sta-border); }
  .sta-index-link:last-child { border-bottom: 0; }
  .sta-taxonomy-rail { grid-template-columns: 1fr; }
  .sta-taxonomy-rail-item,
  .sta-taxonomy-rail-item:nth-child(2n),
  .sta-taxonomy-rail-item:nth-child(3n),
  .sta-taxonomy-rail-item:nth-last-child(-n+2),
  .sta-taxonomy-rail-item:nth-last-child(-n+3) { border-right: 0; border-bottom: 1px solid var(--sta-border); }
  .sta-taxonomy-rail-item:last-child { border-bottom: 0; }
  .sta-filter-heading { display: grid; gap: 4px; }
  .sta-filter-form { grid-template-columns: 1fr; }
  .sta-filter-group--keyword,
  .sta-filter-actions { grid-column: auto; }
  .sta-filter-actions { display: grid; grid-template-columns: 1fr; }
  .sta-filter-actions .sta-button { width: 100%; }
  .sta-results-meta { display: grid; }
  .sta-tool-card { grid-template-columns: auto minmax(0,1fr); align-items: start; gap: 14px; padding: 17px; }
  .sta-tool-facts,
  .sta-tool-actions { grid-column: 1 / -1; grid-row: auto; }
  .sta-tool-context { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .sta-tool-context > div:last-child { grid-column: 1 / -1; margin-top: 10px; padding: 10px 0 0; border-top: 1px solid var(--sta-border); border-left: 0; }
  .sta-tool-facts { grid-template-columns: repeat(2,minmax(0,1fr)); padding-top: 12px; padding-left: 0; border-top: 1px solid var(--sta-border); border-left: 0; }
  .sta-tool-facts div + div { border-top: 0; }
  .sta-tool-facts div:last-child { grid-column: 1 / -1; margin-top: 4px; padding-top: 10px; border-top: 1px solid var(--sta-border); }
  .sta-tool-actions { display: flex; justify-content: space-between; align-items: center; }
  .sta-tool-actions .sta-button { min-width: 0; }
  .sta-collection-card,
  .sta-guide-card { grid-column: 1 / -1; min-height: 210px; }
  .sta-tool-heading { grid-template-columns: 1fr; }
  .sta-tool-heading-mark { display: none; }
  .sta-tool-header-actions { grid-column: auto; }
  .sta-tool-header-actions .sta-button { flex: 1 1 auto; }
  .sta-decision-grid { grid-template-columns: 1fr; }
  .sta-decision-block,
  .sta-decision-block:nth-child(2n),
  .sta-decision-block:nth-last-child(-n+2) { border-right: 0; border-bottom: 1px solid var(--sta-border); }
  .sta-decision-block:last-child { border-bottom: 0; }
  .sta-decision-list > div { grid-template-columns: 96px 1fr; }
  .sta-stack-index { top: 9px; left: 9px; }
  .sta-stack-context { grid-template-columns: 1fr; gap: 5px; padding: 14px 16px 14px 52px; }
  .sta-compare-builder-head { grid-template-columns: 1fr; }
  .sta-compare-fields { grid-template-columns: 1fr; }
  .sta-compare-picker-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .sta-compare-picker-actions .sta-button { width: 100%; }
  .sta-comparison-scroll { overflow: visible; border: 0; }
  .sta-comparison { display: block; min-width: 0; border: 1px solid var(--sta-border); border-radius: var(--sta-radius-md); overflow: hidden; }
  .sta-comparison tbody,
  .sta-comparison tr,
  .sta-comparison th,
  .sta-comparison td { display: block; width: 100%; }
  .sta-comparison thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .sta-comparison tr { border-bottom: 1px solid var(--sta-border); }
  .sta-comparison tr:last-child { border-bottom: 0; }
  .sta-comparison tbody th { position: static; left: auto; width: 100%; background: var(--sta-surface-2); border-right: 0; box-shadow: none; }
  .sta-comparison td { display: grid; grid-template-columns: minmax(92px,.36fr) minmax(0,1fr); gap: 12px; border-right: 0; }
  .sta-comparison td::before { content: attr(data-tool-index) "  " attr(data-tool); color: var(--sta-muted); font-size: .75rem; font-weight: 650; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
  .sta-comparison-destination { grid-template-columns: 1fr; }
  .sta-taxonomy-row { grid-template-columns: 48px minmax(0,1fr); gap: 12px; }
  .sta-taxonomy-action { grid-column: 2; white-space: normal; }
  .sta-search-result,
  .sta-editorial-list-item { grid-template-columns: 1fr; }
  .sta-search-result-action { white-space: normal; }
  .sta-recovery-links { grid-template-columns: 1fr; }
  .sta-footer-grid { grid-template-columns: 1fr 1fr; gap: 28px 24px; }
  .sta-footer-brand,
  .sta-footer-note { grid-column: 1 / -1; }
  .sta-footer-note { padding-top: 20px; border-top: 1px solid var(--sta-border); }
  .sta-footer-bottom { padding: 16px 0; align-items: flex-start; flex-direction: column; gap: 5px; }
}

@media (max-width: 380px) {
  .sta-shell { width: min(calc(100% - 22px), var(--sta-shell)); }
  .sta-brand-name { font-size: .94rem; }
  .sta-breadcrumbs li + li::before { margin: 0 6px; }
  .sta-tool-card { padding: 15px; gap: 12px; }
  .sta-tool-logo { width: 44px; height: 44px; }
  .sta-tool-context { grid-template-columns: 1fr; }
  .sta-tool-context > div,
  .sta-tool-context > div + div,
  .sta-tool-context > div:last-child { grid-column: auto; margin-top: 0; padding: 9px 0; border-left: 0; border-top: 1px solid var(--sta-border); }
  .sta-tool-context > div:first-child { padding-top: 0; border-top: 0; }
  .sta-tool-facts { grid-template-columns: 1fr; }
  .sta-tool-facts div:last-child { grid-column: auto; margin-top: 0; }
  .sta-tool-facts div + div { padding-top: 10px; border-top: 1px solid var(--sta-border); }
  .sta-tool-actions { display: grid; justify-items: stretch; }
  .sta-tool-actions .sta-button { width: 100%; }
  .sta-decision-list > div { grid-template-columns: 1fr; gap: 4px; }
  .sta-section-action { justify-items: stretch; }
  .sta-action-help { max-width: none; text-align: left; }
  .sta-compare-picker-actions { grid-template-columns: 1fr; }
  .sta-selected-tool { width: 100%; }
  .sta-selected-tool > a:first-child { flex: 1 1 auto; min-width: 0; overflow-wrap: anywhere; }
  .sta-comparison td { grid-template-columns: 1fr; gap: 4px; }
  .sta-footer-grid { grid-template-columns: 1fr; }
  .sta-footer-brand,
  .sta-footer-note { grid-column: auto; }
}


@media (prefers-contrast: more) {
  :root {
    --sta-border: #444;
    --sta-border-strong: #666;
    --sta-text-secondary: #d8d8d6;
    --sta-text-value: #e0e0de;
    --sta-text-soft: #c8c8c6;
    --sta-muted: #c0c0c0;
    --sta-subtle: #9c9c9c;
    --sta-placeholder: #a7a7a7;
  }
}

@media (forced-colors: active) {
  :focus-visible { outline-color: Highlight; }
  .sta-tool-card:focus-within,
  .sta-search-result:focus-within,
  .sta-taxonomy-row:focus-within,
  .sta-editorial-list-item:focus-within,
  .sta-related-collection-list li:focus-within,
  .sta-collection-card:focus-within,
  .sta-guide-card:focus-within { box-shadow: none; border-inline-start: 3px solid Highlight; }
  .sta-comparison-row--different > th { box-shadow: none; border-inline-start: 3px solid Highlight; }
  .sta-badge,
  .sta-notice,
  .sta-action-unavailable,
  .sta-empty { border-color: CanvasText; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .sta-button:hover,
  .sta-header-action:hover,
  .sta-button:active,
  .sta-header-action:active { transform: none; }
}