@import "tailwindcss";

@source "../**/*.astro";
@source "../**/*.tsx";
@source "../../../../packages/react/src/components/dialog.tsx";
@source "../../../../packages/react/src/components/copy-button.tsx";
@source "../../../../packages/react/src/components/button.tsx";

@theme {
  --font-sans: "Geist", ui-sans-serif, system-ui, sans-serif;
  --font-display: "Geist", ui-sans-serif, system-ui, sans-serif;
  --font-serif: "Geist", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Registry-grade grayscale palette, matched to the app design system.
     No brand hue: accent resolves to near-black so it reads as ink, not color. */
  --color-surface: #ffffff;
  --color-surface-2: #fafafa;
  --color-ink: #111111;
  --color-ink-2: #666666;
  --color-ink-3: #888888;
  --color-rule: #eaeaea;
  --color-rule-strong: #d4d4d4;

  --color-accent: #0a0a0a;
  --color-accent-hover: #333333;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-surface);
  letter-spacing: -0.011em;
}

::selection {
  background: var(--color-ink);
  color: var(--color-surface);
}

/* ─── Faint hero background: off-white surface ─── */
.bg-soft {
  position: relative;
  background-color: var(--color-surface);
  isolation: isolate;
}
/* Pattern utility: mask the SVG, tint via background color */
.pattern-bg {
  position: absolute;
  inset: 0;
  background: var(--color-ink);
  -webkit-mask-repeat: repeat;
  mask-repeat: repeat;
  pointer-events: none;
  z-index: 1;
}
.pattern-graph {
  --pattern-graph: url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='100'%20height='100'%20viewBox='0%200%20100%20100'%3E%3Cg%20fill-rule='evenodd'%3E%3Cg%20fill='%23000'%3E%3Cpath%20opacity='.5'%20d='M96%2095h4v1h-4v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9zm-1%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-9-10h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm9-10v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-9-10h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm9-10v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-9-10h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm9-10v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-10%200v-9h-9v9h9zm-9-10h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9zm10%200h9v-9h-9v9z'/%3E%3Cpath%20d='M6%205V0H5v5H0v1h5v94h1V6h94V5H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  -webkit-mask-image: var(--pattern-graph);
  mask-image: var(--pattern-graph);
  -webkit-mask-size: 100px 100px;
  mask-size: 100px 100px;
  opacity: 0.08;
}

/* Soft fade overlay: paint the surface color back over the pattern's bottom */
.pattern-fade-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 0%, transparent 50%, var(--color-surface) 100%);
  z-index: 0;
}

/* Was an italic-serif violet accent; neutralized to match the grayscale,
   no-serif system. The headline now reads as one uniform Geist phrase. */
.serif-italic {
  font-family: inherit;
  font-style: normal;
  font-weight: inherit;
  letter-spacing: inherit;
  color: inherit;
}

/* Page-load reveals */
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.rise {
  animation: rise 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.rise-1 {
  animation: rise 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.05s both;
}
.rise-2 {
  animation: rise 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.13s both;
}
.rise-3 {
  animation: rise 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.21s both;
}
.rise-4 {
  animation: rise 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.3s both;
}

/* Hairline-bordered surface for the beam panel: minimal elevation */
.surface-card {
  background: white;
  border: 1px solid var(--color-rule);
  border-radius: 14px;
  box-shadow:
    0 1px 2px rgba(13, 13, 16, 0.03),
    0 8px 24px -16px rgba(13, 13, 16, 0.08);
}

/* Buttons */
.btn-primary {
  background: var(--color-ink);
  color: var(--color-surface);
  border-radius: 8px;
  padding: 0.65rem 1.1rem;
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: -0.005em;
  transition: background 0.15s ease;
}
.btn-primary:hover {
  background: #1f1f24;
}

/* Compact nav variant: height matched to the gh-star pill (and its 7px radius)
   so the right cluster reads as one even row. */
.btn-primary--nav {
  display: inline-flex;
  align-items: center;
  height: 31px;
  padding: 0 0.95rem;
  border-radius: 7px;
}

/* Light, bordered counterpart to .btn-primary, a real secondary CTA. Sized to
   match .btn-primary--hero so it balances under the hero's primary button. */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-surface);
  color: var(--color-ink);
  border: 1px solid var(--color-rule);
  border-radius: 8px;
  padding: 0.7rem 1.25rem;
  font-family: inherit;
  font-weight: 500;
  font-size: 14.5px;
  letter-spacing: -0.005em;
  cursor: pointer;
  transition:
    background 0.15s ease,
    border-color 0.15s ease;
}
.btn-secondary:hover {
  background: var(--color-surface-2);
  border-color: var(--color-ink-3);
}

.btn-link {
  color: var(--color-ink-2);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: -0.005em;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.15s ease;
  background: transparent;
  border: 0;
  padding: 0;
  font-family: inherit;
  cursor: pointer;
}
.btn-link:hover {
  color: var(--color-ink);
}

/* GitHub "star on github" pill (nav), matching integrations.sh: a gold star,
   a lowercase mono label, and the count behind a hairline divider. All mono,
   the metadata voice. The star is the one bit of color, kept to the icon. */
.gh-star {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px;
  border: 1px solid var(--color-rule);
  border-radius: 7px;
  color: var(--color-ink-2);
  font-family: var(--font-mono);
  font-size: 12.5px;
  white-space: nowrap;
  transition:
    color 0.15s ease,
    border-color 0.15s ease;
}
.gh-star:hover {
  color: var(--color-ink);
  border-color: var(--color-rule-strong);
}
.gh-star__ico {
  flex-shrink: 0;
}
.gh-star__n {
  font-variant-numeric: tabular-nums;
  color: var(--color-ink-3);
  padding-left: 8px;
  border-left: 1px solid var(--color-rule);
}

.copy-icons {
  position: relative;
  display: inline-flex;
  width: 14px;
  height: 14px;
  margin-left: 0.15rem;
}
.copy-icons > svg {
  position: absolute;
  inset: 0;
  transition:
    opacity 0.15s ease,
    transform 0.15s ease;
}
.copy-icon-check {
  opacity: 0;
  transform: scale(0.8);
  color: var(--color-accent);
}
.copy-btn[data-copied="true"] .copy-icon-copy {
  opacity: 0;
  transform: scale(0.8);
}
.copy-btn[data-copied="true"] .copy-icon-check {
  opacity: 1;
  transform: scale(1);
}

/* ──────────────────────────────────────────────────────────────
   Hero toggle: segmented "Try in Cloud / Try locally" control.
   A sliding white pill animates between two equal-width tabs.
   The active pane is revealed below; inactive panes hide.
   ─────────────────────────────────────────────────────────── */
.tab-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  background: var(--color-surface-2);
  border: 1px solid var(--color-rule);
  border-radius: 999px;
  padding: 4px;
  isolation: isolate;
}
.tab-toggle > button {
  position: relative;
  z-index: 1;
  min-width: 7.5rem;
  padding: 0.5rem 1.1rem;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--color-ink-3);
  background: transparent;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.15s ease;
}
.tab-toggle > button:hover {
  color: var(--color-ink-2);
}
.tab-toggle > button[aria-selected="true"] {
  color: var(--color-ink);
}
.tab-toggle .tab-indicator {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 4px;
  width: calc(50% - 4px);
  background: white;
  border-radius: 999px;
  box-shadow:
    0 1px 2px rgba(13, 13, 16, 0.04),
    0 0 0 1px var(--color-rule);
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 0;
}
.tab-toggle[data-active="local"] .tab-indicator {
  transform: translateX(100%);
}

.hero-toggle .pane {
  display: none;
}
.hero-toggle[data-active="cloud"] .pane[data-pane="cloud"],
.hero-toggle[data-active="local"] .pane[data-pane="local"] {
  display: flex;
}

/* Per-pane description: sits above the CTA. Smaller than the hero tagline,
   tight max-width so two lines wrap naturally on narrow widths. */
.pane-desc {
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--color-ink-2);
  letter-spacing: -0.005em;
  max-width: 36ch;
  text-align: center;
  text-wrap: balance;
  margin: 0;
}

/* Subtle metadata strip under each pane's CTA: uppercase mono dots */
.pane-meta {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-ink-3);
}
.pane-meta .dot {
  width: 3px;
  height: 3px;
  background: var(--color-ink-3);
  border-radius: 999px;
  opacity: 0.45;
  flex-shrink: 0;
}
.pane-meta .meta-copy {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-transform: none;
  letter-spacing: -0.005em;
  font-family: var(--font-mono);
  color: var(--color-ink-2);
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  transition: color 0.15s ease;
}
.pane-meta .meta-copy:hover {
  color: var(--color-ink);
}

/* "Other platforms" popover so the layout doesn't shift when it opens */
.download-other {
  position: relative;
}
.download-other > summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
  font-size: 13px;
  color: var(--color-ink-3);
  transition: color 0.15s ease;
}
.download-other > summary::-webkit-details-marker {
  display: none;
}
.download-other > summary:hover {
  color: var(--color-ink-2);
}
.download-other[open] > summary {
  color: var(--color-ink);
}
.download-other .download-other-list {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%);
  background: white;
  border: 1px solid var(--color-rule);
  border-radius: 12px;
  padding: 0.45rem;
  min-width: 16rem;
  box-shadow:
    0 4px 16px -6px rgba(13, 13, 16, 0.12),
    0 1px 3px rgba(13, 13, 16, 0.04);
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.download-other .download-other-list a {
  display: block;
  padding: 0.55rem 0.8rem;
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--color-ink-2);
  text-align: left;
  transition:
    color 0.15s ease,
    background 0.15s ease;
}
.download-other .download-other-list a:hover {
  color: var(--color-ink);
  background: var(--color-surface-2);
}

/* Larger primary button for the hero pane: keeps btn-primary base sizing
   for nav/cards but bumps the hero's CTA to a more confident scale */
.btn-primary--hero {
  padding: 0.7rem 1.25rem;
  font-size: 14.5px;
}

/* Accent-colored inline link: for secondary callouts inside card bodies */
.link-accent {
  color: var(--color-accent);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-accent) 30%, transparent);
  text-underline-offset: 3px;
  transition:
    color 0.15s ease,
    text-decoration-color 0.15s ease;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
}
.link-accent:hover {
  color: var(--color-accent-hover);
  text-decoration-color: var(--color-accent-hover);
}

/* Legal pages */
.legal-prose {
  color: color-mix(in srgb, var(--color-ink) 85%, transparent);
  line-height: 1.75;
  font-size: 15.5px;
}
.legal-prose > :first-child {
  margin-top: 0;
}
.legal-prose h2 {
  margin-top: 3rem;
  margin-bottom: 0.85rem;
  padding-top: 1.6rem;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  border-top: 1px solid var(--color-rule);
}
.legal-prose h3 {
  margin-top: 1.6rem;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
}
.legal-prose p,
.legal-prose ul {
  margin: 0.85rem 0;
}
.legal-prose ul {
  list-style: none;
  padding-left: 0;
}
.legal-prose li {
  position: relative;
  padding-left: 1.25rem;
}
.legal-prose li::before {
  content: "";
  position: absolute;
  left: 0.15rem;
  top: 0.72rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.7;
}
.legal-prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-accent) 35%, transparent);
  text-underline-offset: 3px;
}
.legal-prose strong {
  color: var(--color-ink);
  font-weight: 600;
}

/* ════════════════════════════════════════════════════════════════
   COMPONENT KIT: sections beyond the hero
   Built to echo the reference sites' best parts while staying on
   Executor's off-white / graph-paper / Geist + serif-italic brand:
   - Harbor: code window, trace waterfall, auditable security cards, FAQ
   - Corsair: connection matrix, permission-gate card, mono path chips,
     plus-mark grid corners
   - Zapier: trust strip with agent logos + capability badges
   ═══════════════════════════════════════════════════════════════ */

/* ── Section heading helpers ── */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-ink-3);
}
.section-title {
  font-size: clamp(2rem, 4.2vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.022em;
  line-height: 1.06;
  color: var(--color-ink);
  text-wrap: balance;
}
.section-sub {
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--color-ink-2);
  text-wrap: pretty;
}

/* ── Trust strip (Zapier): agent logos + capability badges ── */
.logo-wall {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--color-rule);
  border: 1px solid var(--color-rule);
  border-radius: 14px;
  overflow: hidden;
}
@media (min-width: 640px) {
  .logo-wall {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (min-width: 900px) {
  .logo-wall {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}
.logo-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 1.4rem 0.75rem;
  background: white;
  transition: background 0.15s ease;
}
.logo-cell:hover {
  background: var(--color-surface);
}
.logo-cell svg {
  width: 26px;
  height: 26px;
  color: var(--color-ink);
  opacity: 0.82;
}
.logo-cell .logo-name {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-ink-2);
  letter-spacing: -0.005em;
}

.badge-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-ink-3);
}
.badge-chip svg {
  width: 13px;
  height: 13px;
  color: var(--color-accent);
}
.badge-sep {
  width: 3px;
  height: 3px;
  border-radius: 999px;
  background: var(--color-ink-3);
  opacity: 0.4;
}

/* ── Code window (Harbor / Corsair): light, brand-matched ── */
.code-window {
  background: white;
  border: 1px solid var(--color-rule);
  border-radius: 14px;
  overflow: hidden;
  box-shadow:
    0 1px 2px rgba(13, 13, 16, 0.03),
    0 18px 40px -28px rgba(13, 13, 16, 0.14);
}
.code-window__bar {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--color-rule);
  background: color-mix(in srgb, var(--color-surface-2) 55%, white);
}
.code-window__dots {
  display: inline-flex;
  gap: 6px;
}
.code-window__dots i {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--color-rule-strong);
}
.code-window__file {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--color-ink-2);
  letter-spacing: -0.005em;
}
.code-window__tag {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
}
.code-window__body {
  margin: 0;
  padding: 1.25rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  color: var(--color-ink);
  overflow-x: auto;
  tab-size: 2;
}
.code-window__body code {
  font-family: inherit;
}
.tok-c {
  color: var(--color-ink-3);
}
.tok-k {
  color: #8250df;
}
.tok-s {
  color: #2f7d52;
}
.tok-f {
  color: var(--color-ink);
  font-weight: 600;
}
.tok-a {
  color: var(--color-accent);
  font-weight: 600;
}
.tok-n {
  color: #b4690e;
}
.tok-p {
  color: var(--color-ink-3);
}

/* ── Capability grid ── */
.cap-grid {
  display: grid;
  gap: 1px;
  background: var(--color-rule);
  border: 1px solid var(--color-rule);
  border-radius: 16px;
  overflow: hidden;
}
@media (min-width: 720px) {
  .cap-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1040px) {
  .cap-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.cap-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.6rem 1.5rem 1.7rem;
  background: white;
  transition: background 0.15s ease;
}
/* Coming-soon card: greyed out, with a corner badge that stays legible. */
.cap-card--soon > :not(.cap-soon-badge) {
  opacity: 0.45;
}
.cap-soon-badge {
  position: absolute;
  top: 1.45rem;
  right: 1.4rem;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-ink-3);
}
.cap-card:hover {
  background: var(--color-surface);
}
.cap-card .cap-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-ink-3);
  margin-bottom: 0.75rem;
}
.cap-card h3 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-ink);
}
.cap-card p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--color-ink-2);
  text-wrap: pretty;
}
.cap-card .cap-visual {
  margin-top: 0.5rem;
}

/* ── Trace waterfall (Harbor) ── */
.trace {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.trace-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 11px;
}
.trace-row .lbl {
  flex-shrink: 0;
  width: 8.5rem;
  color: var(--color-ink-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.trace-row .track {
  position: relative;
  flex: 1;
  height: 7px;
  background: var(--color-surface-2);
  border-radius: 999px;
}
.trace-row .bar {
  position: absolute;
  top: 0;
  bottom: 0;
  background: var(--color-accent);
  opacity: 0.85;
  border-radius: 999px;
}
.trace-row.is-root .bar {
  background: var(--color-ink);
  opacity: 0.75;
}
.trace-row .dur {
  flex-shrink: 0;
  width: 3rem;
  text-align: right;
  color: var(--color-ink-3);
}

/* ── Connection matrix (Corsair) ── */
.matrix {
  font-family: var(--font-mono);
  font-size: 10.5px;
}
.matrix-head,
.matrix-row {
  display: grid;
  grid-template-columns: 5.5rem repeat(5, minmax(0, 1fr));
  align-items: center;
  gap: 0.3rem;
}
.matrix-head {
  color: var(--color-ink-3);
  padding-bottom: 0.4rem;
  margin-bottom: 0.4rem;
  border-bottom: 1px solid var(--color-rule);
}
.matrix-head span {
  text-align: center;
}
.matrix-row {
  padding: 0.28rem 0;
}
.matrix-row .who {
  color: var(--color-ink-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.matrix-row .cell {
  display: flex;
  justify-content: center;
}
.stat {
  width: 9px;
  height: 9px;
  border-radius: 999px;
}
.stat-ok {
  background: #2f9e6f;
}
.stat-warn {
  background: #d9883a;
}
.stat-off {
  background: var(--color-ink-3);
  opacity: 0.3;
}

/* ── Permission-gate card (Corsair) ── */
.gate-card {
  background: white;
  border: 1px solid var(--color-rule);
  border-radius: 12px;
  overflow: hidden;
}
.gate-card__head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 0.95rem;
  border-bottom: 1px solid var(--color-rule);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--color-ink-2);
}
.gate-card__body {
  padding: 0.95rem;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-ink-2);
}
.gate-card__body .subj {
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 0.3rem;
}
.gate-card__actions {
  display: flex;
  gap: 0.5rem;
  padding: 0 0.95rem 0.95rem;
}
.gate-btn {
  flex: 1;
  text-align: center;
  padding: 0.5rem 0.7rem;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--color-rule);
}
.gate-btn.deny {
  color: var(--color-ink-2);
  background: white;
}
.gate-btn.approve {
  color: white;
  background: var(--color-accent);
  border-color: transparent;
}

/* ── Auditable security cards (Harbor) ── */
.check-list {
  list-style: none;
  display: grid;
  gap: 0.65rem;
  padding: 0;
  margin: 0;
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-ink-2);
}
.check-list li svg {
  flex-shrink: 0;
  width: 15px;
  height: 15px;
  margin-top: 2px;
  color: var(--color-accent);
}

/* ── Choose your path mono chips (Corsair) ── */
.path-chip {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--color-ink-2);
  background: var(--color-surface-2);
  border: 1px solid var(--color-rule);
  border-radius: 7px;
  padding: 0.3rem 0.6rem;
}

/* ── FAQ accordion (Harbor / Corsair) ── */
.faq-item {
  border-bottom: 1px solid var(--color-rule);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  transition: color 0.15s ease;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary:hover {
  color: var(--color-accent);
}
.faq-item .faq-mark {
  flex-shrink: 0;
  position: relative;
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
  color: var(--color-ink-3);
}
.faq-item[open] .faq-mark {
  transform: rotate(45deg);
  color: var(--color-accent);
}
.faq-item .faq-body {
  padding: 0 0 1.4rem;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--color-ink-2);
  text-wrap: pretty;
}

/* ── Plus-mark grid corners (Corsair signature) ── */
.plus-grid {
  position: relative;
}
.plus-mark {
  position: absolute;
  width: 14px;
  height: 14px;
  color: var(--color-accent);
  opacity: 0.4;
  pointer-events: none;
}
.plus-mark::before,
.plus-mark::after {
  content: "";
  position: absolute;
  background: currentColor;
}
.plus-mark::before {
  left: 50%;
  top: 0;
  width: 1.5px;
  height: 100%;
  transform: translateX(-50%);
}
.plus-mark::after {
  top: 50%;
  left: 0;
  height: 1.5px;
  width: 100%;
  transform: translateY(-50%);
}

/* ── Final CTA band ── */
.cta-band {
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
}

/* ════════════════════════════════════════════════════════════════
   MOTION KIT: scroll reveals + accents
   Adapted from magicui (blur-fade, border-beam, animated-shiny-text)
   and launch-ui (hero glow, badge), kept restrained for the off-white
   editorial brand. Every effect is subtle, accent-tinted, and fully
   disabled under prefers-reduced-motion. The hidden reveal state is
   only applied by JS, so no-JS visitors see everything revealed.
   ═══════════════════════════════════════════════════════════════ */

/* Scroll reveal (magicui blur-fade, restrained): blocks rise, fade,
   and de-blur as they enter the viewport. `.reveal-init` is added by
   the page script; without it (no JS / reduced motion) content is
   fully visible. */
.reveal.reveal-init {
  opacity: 0;
  transform: translateY(14px);
  filter: blur(5px);
  will-change: opacity, transform, filter;
}
.reveal.reveal-init.is-visible {
  opacity: 1;
  transform: none;
  filter: none;
  transition:
    opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Trace waterfall bars grow from their start as the capability grid
   reveals, staggered so it reads like a live trace filling in. */
.reveal.reveal-init .trace-row .bar {
  transform: scaleX(0);
  transform-origin: left center;
}
.reveal.reveal-init.is-visible .trace-row .bar {
  transform: scaleX(1);
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.reveal-init.is-visible .trace-row:nth-child(1) .bar {
  transition-delay: 0.18s;
}
.reveal.reveal-init.is-visible .trace-row:nth-child(2) .bar {
  transition-delay: 0.3s;
}
.reveal.reveal-init.is-visible .trace-row:nth-child(3) .bar {
  transition-delay: 0.42s;
}
.reveal.reveal-init.is-visible .trace-row:nth-child(4) .bar {
  transition-delay: 0.54s;
}

@media (prefers-reduced-motion: reduce) {
  .reveal.reveal-init,
  .reveal.reveal-init.is-visible {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }
  .reveal.reveal-init .trace-row .bar,
  .reveal.reveal-init.is-visible .trace-row .bar {
    transform: none;
    transition: none;
  }
}

/* Hero glow (launch-ui): a soft accent bloom sitting behind the beam
   card, warming the off-white surface without fighting the graph
   paper. Purely decorative, never interactive. */
/* Decorative hero glow removed: the grayscale system gets its depth from
   hairlines and tone, not colored blurs. */
.hero-glow {
  display: none;
}

/* Hero announcement badge (launch-ui): a pill above the headline that
   links to the repo, with a slow shine sweep over the label (magicui
   animated-shiny-text, toned down so it stays readable mid-sweep). */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.32rem 0.7rem 0.32rem 0.62rem;
  border: 1px solid var(--color-rule);
  border-radius: 999px;
  background: white;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: -0.005em;
  box-shadow: 0 1px 2px rgba(13, 13, 16, 0.03);
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}
.hero-badge:hover {
  border-color: var(--color-rule-strong);
  box-shadow: 0 1px 3px rgba(13, 13, 16, 0.06);
}
.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 16%, transparent);
  flex-shrink: 0;
}
.hero-badge .label {
  background: linear-gradient(
    100deg,
    var(--color-ink-2) 38%,
    var(--color-ink) 50%,
    var(--color-ink-2) 62%
  );
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: badge-shine 6.5s linear infinite;
}
.hero-badge .arrow {
  color: var(--color-ink-3);
  transition: transform 0.15s ease;
}
.hero-badge:hover .arrow {
  transform: translateX(2px);
}
@keyframes badge-shine {
  to {
    background-position: -220% 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  .hero-badge .label {
    animation: none;
  }
}

/* Hero CTA: a "For humans / For agents" audience toggle. A lightweight text
   switch (not a heavy segmented control) flips between the human signup path
   and the agent-native copyable setup. */
.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.audience-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.15rem;
  font-size: 13.5px;
  font-weight: 500;
}
.audience-toggle button {
  padding: 0;
  background: none;
  border: none;
  font: inherit;
  color: var(--color-ink-3);
  cursor: pointer;
  transition: color 0.15s ease;
}
.audience-toggle button:hover {
  color: var(--color-ink-2);
}
.audience-toggle button[aria-selected="true"] {
  color: var(--color-ink);
  font-weight: 600;
}
.audience-sep {
  width: 1px;
  height: 13px;
  background: var(--color-rule-strong);
}
.audience-pane {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}
.audience-pane[hidden] {
  display: none;
}
/* The agent "command pill": a rounded, mono, copyable control echoing a
   terminal prompt. Copies the full setup prompt via the .copy-btn pattern. */
.agent-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  border: 1px solid var(--color-rule-strong);
  border-radius: 999px;
  background: var(--color-surface);
  padding: 0.62rem 1rem 0.62rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: -0.005em;
  color: var(--color-ink);
  cursor: pointer;
  transition:
    background 0.15s ease,
    border-color 0.15s ease;
}
.agent-pill:hover {
  background: var(--color-surface-2);
  border-color: var(--color-ink-3);
}

/* Border beam (magicui, restrained): a slow accent arc travels around
   the featured card's border to draw the eye to the recommended path.
   The ring is fixed to the card edges; only the gradient angle spins,
   so the bright arc sweeps the border rather than detaching from it. */
@property --beam-angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}
.beam-card {
  position: relative;
}
.beam-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.25px;
  background: conic-gradient(
    from var(--beam-angle),
    transparent 0deg,
    transparent 290deg,
    color-mix(in srgb, var(--color-accent) 75%, transparent) 340deg,
    transparent 360deg
  );
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  animation: beam-rotate 7s linear infinite;
}
@keyframes beam-rotate {
  to {
    --beam-angle: 360deg;
  }
}
@media (prefers-reduced-motion: reduce) {
  .beam-card::after {
    animation: none;
    background: conic-gradient(
      from 320deg,
      transparent 0deg,
      transparent 300deg,
      color-mix(in srgb, var(--color-accent) 45%, transparent) 340deg,
      transparent 360deg
    );
  }
}

/* Featured-path cards: a restrained lift on hover for tactile polish. */
.path-card {
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}
.path-card:hover {
  transform: translateY(-3px);
  box-shadow:
    0 1px 2px rgba(13, 13, 16, 0.03),
    0 18px 40px -22px rgba(13, 13, 16, 0.18);
}
@media (prefers-reduced-motion: reduce) {
  .path-card:hover {
    transform: none;
  }
}

/* ══ Context-bloat demo (interactive "no context bloat") ══ */
/* Context-bloat demo: Effect-style layout (complexity gauge + service checklist
   on top, two code windows below). Check a service to connect it; the naive
   prompt balloons (tall + scrollable) while Executor stays at one tool. */
.cbloat {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Top band: complexity gauge + service checklist */
.cbloat-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 880px) {
  .cbloat-top {
    grid-template-columns: 0.82fr 1fr;
    gap: 3rem;
    align-items: start;
  }
}

.cbloat-gauge__title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink);
}
.cbloat-gauge__sub {
  font-size: 12px;
  color: var(--color-ink-3);
  margin-bottom: 1.4rem;
}
.cbloat-gauge__row {
  margin-bottom: 1.1rem;
}
.cbloat-gauge__line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 12.5px;
  margin-bottom: 0.45rem;
}
.cbloat-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  flex-shrink: 0;
}
.cbloat-dot--naive {
  background: rgba(13, 13, 16, 0.4);
}
.cbloat-dot--exec {
  background: var(--color-accent);
}
.cbloat-gauge__name {
  color: var(--color-ink-2);
  font-weight: 500;
}
.cbloat-gauge__val {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-ink-3);
  white-space: nowrap;
}

.cbloat-checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}
.cbloat-check {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.58rem 0.72rem;
  border: 1px solid var(--color-rule);
  border-radius: 10px;
  background: white;
  cursor: pointer;
  text-align: left;
  transition:
    border-color 0.15s ease,
    background 0.15s ease;
}
.cbloat-check:hover {
  border-color: var(--color-rule-strong);
  background: var(--color-surface);
}
.cbloat-check[data-on="true"] {
  border-color: rgba(99, 91, 255, 0.4);
  background: color-mix(in srgb, var(--color-accent) 5%, white);
}
.cbloat-check:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.cbloat-check__box {
  width: 18px;
  height: 18px;
  border-radius: 6px;
  flex-shrink: 0;
  border: 1.5px solid var(--color-rule-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition:
    background 0.15s ease,
    border-color 0.15s ease;
}
.cbloat-check[data-on="true"] .cbloat-check__box {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.cbloat-check__icon {
  display: inline-flex;
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  color: var(--color-ink-2);
}
.cbloat-check__name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--color-ink);
}
.cbloat-check__count {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--color-ink-3);
  white-space: nowrap;
}

/* Bottom band: two code windows */
.cbloat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 880px) {
  .cbloat-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.cbloat-col {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.cbloat-col__title {
  text-align: center;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  margin-bottom: 0.75rem;
}
.cbloat-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.cbloat-panel__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--color-ink-3);
  white-space: nowrap;
}
.cbloat-panel--naive .cbloat-num {
  color: var(--color-ink);
  font-weight: 600;
}
.cbloat-panel--executor .cbloat-num {
  color: var(--color-accent);
  font-weight: 600;
}

.cbloat-bar {
  height: 6px;
  width: 100%;
  background: var(--color-rule);
  border-radius: 3px;
  overflow: hidden;
}
.cbloat-bar__fill {
  height: 100%;
  min-width: 3px;
  border-radius: 3px;
  transition: width 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}
.cbloat-bar--naive .cbloat-bar__fill {
  background: rgba(13, 13, 16, 0.4);
}
.cbloat-bar--executor .cbloat-bar__fill {
  background: var(--color-accent);
}

.cbloat-body {
  font-size: 12.5px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}
.cbloat-body--scroll {
  height: 440px;
  overflow-y: auto;
}
.cbloat-line {
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  .cbloat-bar__fill {
    transition: none;
  }
}

/* ════════════════════════════════════════════════════════════════
   BLOG: editorial prose for Markdown-rendered posts (/blog/[slug]).
   Reads off the same tokens as the rest of the site (ink / accent /
   rule / surface) so posts stay on-brand without a separate palette.
   ═══════════════════════════════════════════════════════════════ */
.blog-prose {
  color: color-mix(in srgb, var(--color-ink) 88%, transparent);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: -0.011em;
}
.blog-prose > :first-child {
  margin-top: 0;
}
.blog-prose p {
  margin: 1.25rem 0;
  text-wrap: pretty;
}
.blog-prose h2 {
  margin-top: 2.75rem;
  margin-bottom: 0.9rem;
  font-family: var(--font-sans);
  font-size: clamp(1.4rem, 2.6vw, 1.7rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--color-ink);
}
.blog-prose h3 {
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-ink);
}
.blog-prose ul,
.blog-prose ol {
  margin: 1.25rem 0;
  padding-left: 0;
  list-style: none;
}
.blog-prose li {
  position: relative;
  margin: 0.5rem 0;
  padding-left: 1.4rem;
}
.blog-prose ul > li::before {
  content: "";
  position: absolute;
  left: 0.2rem;
  top: 0.78rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.75;
}
.blog-prose ol {
  counter-reset: blog-ol;
}
.blog-prose ol > li {
  counter-increment: blog-ol;
}
.blog-prose ol > li::before {
  content: counter(blog-ol) ".";
  position: absolute;
  left: 0;
  top: 0;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--color-accent);
}
.blog-prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-accent) 35%, transparent);
  text-underline-offset: 3px;
  transition:
    color 0.15s ease,
    text-decoration-color 0.15s ease;
}
.blog-prose a:hover {
  color: var(--color-accent-hover);
  text-decoration-color: var(--color-accent-hover);
}
.blog-prose strong {
  color: var(--color-ink);
  font-weight: 600;
}
.blog-prose em {
  font-style: italic;
}
.blog-prose blockquote {
  margin: 1.5rem 0;
  padding: 0.25rem 0 0.25rem 1.25rem;
  border-left: 2px solid color-mix(in srgb, var(--color-accent) 55%, transparent);
  color: var(--color-ink-2);
  font-style: italic;
}
.blog-prose code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--color-surface-2);
  border: 1px solid var(--color-rule);
  border-radius: 5px;
  padding: 0.12em 0.4em;
}
.blog-prose pre {
  margin: 1.5rem 0;
  padding: 1.1rem 1.25rem;
  background: var(--color-surface-2);
  border: 1px solid var(--color-rule);
  border-radius: 12px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.6;
}
.blog-prose pre code {
  background: transparent;
  border: 0;
  padding: 0;
  font-size: inherit;
}
.blog-prose hr {
  margin: 2.5rem 0;
  border: 0;
  border-top: 1px solid var(--color-rule);
}
.blog-prose h2 + p,
.blog-prose h3 + p {
  margin-top: 0;
}

/* ── Figure captions (paper-style numbered figures) ── */
.figcap {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.55;
  color: var(--color-ink-3);
  letter-spacing: 0;
  text-wrap: pretty;
}
.figcap__n {
  color: var(--color-ink-2);
  font-weight: 500;
}

/* ── Sidebar ("rail") layout. Active when a rail option is visible. ──
   One centred frame (rail + content) of fixed max width, like a document
   with a margin column. Content never exceeds its column. */
.page:has(> .page__rail) {
  --rail-w: 240px;
  --frame-w: 1240px;
}
@media (min-width: 1024px) {
  .page:has(> .page__rail) {
    display: grid;
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    align-items: start;
    max-width: var(--frame-w);
    margin-inline: auto;
  }
  .page__rail {
    position: sticky;
    top: 0;
    height: 100dvh;
    overflow: hidden auto;
    border-right: 1px solid var(--color-rule);
  }
  .page:has(> .page__rail) .page__body {
    min-width: 0;
    padding-inline: clamp(32px, 4vw, 64px);
  }
  .page:has(> .page__rail) .page__body .hero-inner,
  .page:has(> .page__rail) .page__body .text-center {
    text-align: left;
  }
  .page:has(> .page__rail) .page__body [class*="max-w-"].mx-auto,
  .page:has(> .page__rail) .page__body .hero-inner .mx-auto,
  .page:has(> .page__rail) .page__body .text-center .mx-auto {
    margin-left: 0;
  }
  .page:has(> .page__rail) .page__body .hero-inner .hero-cta,
  .page:has(> .page__rail) .page__body .hero-inner .audience-pane {
    justify-content: flex-start;
    align-items: flex-start;
  }
  .page:has(> .page__rail) .page__body .hero-inner h1 {
    font-size: clamp(2.6rem, 5vw, 4.4rem);
  }
  /* The rail column has no page gutter of its own inside the frame; keep the
     graph-paper hero texture behind the whole frame, not just the body. */
}

/* The hero graph-paper texture is a landing-page device. In rail mode the
   page reads as a document, so it goes: the texture would sit behind the
   sidebar and the hairline frame and fight both. */
main:has(.page > .page__rail) > .pattern-bg,
main:has(.page > .page__rail) > .pattern-bg + div {
  display: none;
}

/* Below the desktop breakpoint the rail is a top bar; keep it in view. */
@media (max-width: 1023.98px) {
  .page__rail {
    position: sticky;
    top: 0;
    z-index: 30;
    background: var(--color-surface);
  }
}