/* ==========================================================================
   Hermes — site styles
   Design source: Claude Design "Hermes Notifications UI mockups" → Hermes Site.dc.html (2a / 2b)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */

:root {
  /* Surfaces */
  --bg: #faf9f7;
  --bg-sunken: #f4f2ee;
  --surface: #fff;
  --dark: #17181a;
  --dark-deep: #0e0f11;

  /* Ink */
  --ink: #17181a;
  --ink-strong: rgba(23, 24, 26, 0.7);
  --ink-muted: rgba(23, 24, 26, 0.66);
  --ink-soft: rgba(23, 24, 26, 0.55);
  --ink-dim: rgba(23, 24, 26, 0.45);
  --ink-faint: rgba(23, 24, 26, 0.4);
  --on-dark: #e8e6e1;
  --on-dark-muted: rgba(232, 230, 225, 0.62);
  --on-dark-soft: rgba(232, 230, 225, 0.55);
  --on-dark-faint: rgba(232, 230, 225, 0.4);

  /* Lines */
  --line: rgba(23, 24, 26, 0.1);
  --line-strong: rgba(23, 24, 26, 0.12);
  --line-soft: rgba(23, 24, 26, 0.08);
  --line-dark: rgba(232, 230, 225, 0.14);

  /* Accent — cobalt */
  --accent: oklch(0.55 0.16 258);
  --accent-lift: oklch(0.62 0.16 258);
  --accent-deep: oklch(0.45 0.16 258);
  --accent-on-dark: oklch(0.72 0.13 258);
  --accent-tint: oklch(0.97 0.02 258);
  --accent-tint-strong: oklch(0.96 0.025 258);
  --accent-edge: oklch(0.9 0.04 258);
  --term-green: oklch(0.8 0.11 148);

  /* Type */
  --sans: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Layout */
  --page: 1120px;
  --gutter: 40px;
  --radius: 6px;
  --radius-sm: 5px;
}

/* Fallback for engines without oklch() */
@supports not (color: oklch(0.55 0.16 258)) {
  :root {
    --accent: #2c63cf;
    --accent-lift: #3d76e4;
    --accent-deep: #1a4ea8;
    --accent-on-dark: #6d97ee;
    --accent-tint: #eff3fd;
    --accent-tint-strong: #e9eefc;
    --accent-edge: #ccd8f5;
    --term-green: #57c98d;
  }
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, p, figure { margin: 0; }

img, svg { max-width: 100%; }

a { color: inherit; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 3px;
}

::selection { background: var(--accent-tint-strong); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 50;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top 0.15s ease;
}

.skip-link:focus { top: 12px; }

.mono {
  font-family: var(--mono);
  font-size: 0.94em;
}

.wrap {
  max-width: var(--page);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.eyebrow--accent { color: var(--accent); }
.eyebrow--on-dark { color: var(--accent-on-dark); }

/* --------------------------------------------------------------------------
   3. Header
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(250, 249, 247, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.brand__mark {
  width: 15px;
  height: 15px;
  background: var(--accent);
  transform: rotate(45deg);
  flex: none;
}

.brand__name {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.brand__version {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-dim);
  border: 1px solid rgba(23, 24, 26, 0.15);
  padding: 2px 5px;
  border-radius: 3px;
}

.brand__sep { font-size: 13px; color: var(--ink-faint); }
.brand__context { font-size: 13px; color: var(--ink-muted); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 13px;
}

.site-nav a {
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.12s ease;
}

.site-nav a:hover { color: var(--ink); }

.site-nav a.is-emphasis {
  color: var(--ink);
  font-weight: 500;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 7px;
  background: none;
  border: 1px solid rgba(23, 24, 26, 0.15);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font: inherit;
  font-size: 12.5px;
  padding: 6px 11px;
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   4. Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-block;
  font-size: 13.5px;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background-color 0.12s ease, border-color 0.12s ease, transform 0.12s ease;
}

.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-deep); }

.btn--ghost { border: 1px solid rgba(23, 24, 26, 0.18); color: var(--ink); }
.btn--ghost:hover { border-color: rgba(23, 24, 26, 0.38); }

.btn--on-dark { background: var(--accent-lift); color: #fff; }
.btn--on-dark:hover { background: var(--accent); }

.btn--ghost-dark { border: 1px solid rgba(232, 230, 225, 0.22); color: var(--on-dark); }
.btn--ghost-dark:hover { border-color: rgba(232, 230, 225, 0.5); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* --------------------------------------------------------------------------
   5. Section furniture
   -------------------------------------------------------------------------- */

.section { padding-block: 52px; }
.section--flush-top { padding-top: 0; }

.section--sunken {
  background: var(--bg-sunken);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section--dark {
  background: var(--dark);
  color: var(--on-dark);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.section-head h2 {
  font-size: 26px;
  letter-spacing: -0.02em;
  font-weight: 600;
}

.section-head__note {
  font-size: 12.5px;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: start;
  padding-block: 56px 44px;
}

.hero__eyebrow { margin-bottom: 20px; }

.hero h1 {
  margin-bottom: 18px;
  font-size: 46px;
  line-height: 1.04;
  letter-spacing: -0.028em;
  font-weight: 600;
  text-wrap: balance;
}

.hero__lede {
  margin-bottom: 26px;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink-muted);
  max-width: 46ch;
}

.hero .btn-row { margin-top: 22px; }

/* Terminal / code surface */
.term {
  background: var(--dark);
  border-radius: var(--radius);
  padding: 16px 18px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--on-dark);
  overflow-x: auto;
}

.term pre {
  margin: 0;
  font: inherit;
  white-space: pre-wrap;
  word-break: break-word;
}

.term .t-cmd { color: var(--accent-on-dark); }
.term .t-path { color: #fff; }
.term .t-str { color: var(--term-green); }
.term .t-prompt { color: var(--term-green); }
.term .t-out { color: var(--on-dark-soft); }
.term .t-frame { color: var(--on-dark-faint); }
.term .t-dot { color: var(--accent-on-dark); }

/* Browser mock */
.mock {
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(23, 24, 26, 0.07);
}

.mock__chrome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 14px;
  border-bottom: 1px solid rgba(23, 24, 26, 0.09);
  background: #f6f5f2;
}

.mock__dots { display: flex; gap: 6px; }

.mock__dots i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(23, 24, 26, 0.16);
}

.mock__url {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-faint);
}

.mock__bell {
  position: relative;
  width: 26px;
  height: 20px;
  flex: none;
}

.mock__bell-icon {
  position: absolute;
  right: 2px;
  top: 1px;
  width: 14px;
  height: 15px;
  border: 1.6px solid var(--ink-soft);
  border-radius: 7px 7px 3px 3px;
}

.mock__badge {
  position: absolute;
  right: 0;
  top: -1px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 8px;
  font-weight: 600;
  display: grid;
  place-items: center;
}

.mock__body { padding: 12px 14px 16px; }

.mock__title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.mock__title b { font-size: 13px; font-weight: 600; }

.live {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent);
}

.live::before {
  content: "●";
  margin-right: 4px;
  animation: pulse 2.4s ease-in-out infinite;
  display: inline-block;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.inbox {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.inbox__item {
  display: flex;
  gap: 10px;
  padding: 10px;
  border-radius: var(--radius-sm);
}

.inbox__item--unread { background: var(--accent-tint); }

.inbox__pip {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 5px;
  flex: none;
}

.inbox__item:not(.inbox__item--unread) .inbox__pip { background: rgba(23, 24, 26, 0.15); }

.inbox__text {
  display: block;
  font-size: 12.5px;
  font-weight: 500;
  line-height: 1.35;
}

.inbox__item:not(.inbox__item--unread) .inbox__text {
  font-weight: 400;
  color: var(--ink-muted);
}

.inbox__meta {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  color: rgba(23, 24, 26, 0.42);
  margin-top: 3px;
}

.inbox__item:not(.inbox__item--unread) .inbox__meta { color: rgba(23, 24, 26, 0.35); }

.mock__foot {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-faint);
  overflow-x: auto;
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   7. Premise
   -------------------------------------------------------------------------- */

.premise {
  border-top: 1px solid var(--line);
  padding-top: 34px;
  padding-bottom: 52px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.premise h2 {
  font-size: 30px;
  line-height: 1.18;
  letter-spacing: -0.022em;
  font-weight: 600;
  text-wrap: balance;
}

.premise p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-muted);
}

.premise p + p { margin-top: 14px; }

/* --------------------------------------------------------------------------
   8. Hairline grids
   -------------------------------------------------------------------------- */

.grid-rule {
  display: grid;
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 0;
  padding: 0;
  list-style: none;
}

.grid-rule > * { background: var(--surface); }

.grid-rule--3 { grid-template-columns: repeat(3, 1fr); }
.grid-rule--5 { grid-template-columns: repeat(5, 1fr); }
.grid-rule--2 { grid-template-columns: repeat(2, 1fr); }

.feature { padding: 24px; }

.feature h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature p {
  font-size: 12.5px;
  line-height: 1.55;
  color: rgba(23, 24, 26, 0.6);
}

/* --------------------------------------------------------------------------
   9. Pipeline (How it works)
   -------------------------------------------------------------------------- */

.stage { padding: 14px 16px; }

.stage__n {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  margin-bottom: 6px;
}

.stage h3 {
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 4px;
}

.stage p {
  font-size: 11.5px;
  line-height: 1.45;
  color: var(--ink-soft);
}

.paths {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin: 14px 0 32px;
}

.path__label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.path p {
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(23, 24, 26, 0.62);
}

/* Spec table (Services / Messaging / …) */
.spec {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.spec__row {
  display: grid;
  grid-template-columns: 150px 1fr;
  border-bottom: 1px solid rgba(23, 24, 26, 0.09);
}

.spec__row:last-child { border-bottom: 0; }

.spec__row dt {
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-soft);
}

.spec__row dd {
  margin: 0;
  padding: 12px 16px;
  font-size: 12.5px;
}

/* --------------------------------------------------------------------------
   10. Comparison
   -------------------------------------------------------------------------- */

.compare {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.compare__row {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  border-bottom: 1px solid rgba(23, 24, 26, 0.09);
}

.compare__row:last-child { border-bottom: 0; }

.compare__row--head {
  background: var(--bg-sunken);
  border-bottom: 1px solid var(--line-strong);
}

.compare__row--head > * {
  padding: 12px 18px;
  font-size: 13px;
  font-weight: 600;
}

.compare__row--head .is-ours { color: var(--accent); }
.compare__row--head .is-theirs { color: rgba(23, 24, 26, 0.6); }

.compare__row > * { padding: 13px 18px; font-size: 12.5px; }
.compare__key { font-weight: 500; }
.compare__ours { color: var(--ink-muted); }
.compare__theirs { color: var(--ink-soft); }

/* --------------------------------------------------------------------------
   11. Get started (dark)
   -------------------------------------------------------------------------- */

.start {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px;
  align-items: start;
}

.start .eyebrow { margin-bottom: 16px; }

.start h2 {
  margin-bottom: 14px;
  font-size: 30px;
  line-height: 1.12;
  letter-spacing: -0.022em;
  font-weight: 600;
}

.start__lede {
  margin-bottom: 20px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--on-dark-muted);
}

.start__points {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.start__points h3 {
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 3px;
}

.start__points p {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--on-dark-soft);
}

.start__points code {
  font-family: var(--mono);
  font-size: 0.95em;
}

.panel {
  background: var(--dark-deep);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
}

.panel__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-bottom: 1px solid rgba(232, 230, 225, 0.12);
}

.panel__bar i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-on-dark);
  flex: none;
}

.panel__bar span {
  font-family: var(--mono);
  font-size: 10.5px;
  color: rgba(232, 230, 225, 0.45);
}

.panel .term {
  background: transparent;
  border-radius: 0;
  padding: 16px 18px;
  font-size: 12px;
  line-height: 1.75;
}

.aside-note {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.55;
  color: rgba(232, 230, 225, 0.5);
  border-left: 2px solid var(--accent-on-dark);
  padding-left: 12px;
}

.start .btn-row { margin-top: 20px; }

/* --------------------------------------------------------------------------
   12. For developers
   -------------------------------------------------------------------------- */

.devs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  align-items: start;
}

.devs__col {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.card {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 22px;
}

.card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.card__sub {
  font-size: 12.5px;
  line-height: 1.55;
  color: rgba(23, 24, 26, 0.6);
  margin-bottom: 16px;
}

.card__sub code { font-family: var(--mono); }

/* Terminal inbox mock inside the CLI card */
.term--tui {
  font-size: 11.5px;
  line-height: 1.85;
  padding: 14px 16px;
}

.sdk-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.sdk-grid li {
  background: var(--bg);
  padding: 11px 13px;
  font-family: var(--mono);
  font-size: 11.5px;
  list-style: none;
}

.sdk-grid { margin: 0; padding: 0; }

/* Admin portal mock */
.portal {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.portal__tabs {
  display: flex;
  background: var(--bg-sunken);
  border-bottom: 1px solid var(--line);
  font-size: 11.5px;
}

.portal__tabs span { padding: 8px 12px; color: var(--ink-soft); }

.portal__tabs .is-active {
  border-bottom: 2px solid var(--accent);
  font-weight: 600;
  color: var(--ink);
}

.portal__rows { font-family: var(--mono); font-size: 11px; }

.portal__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 104px 74px;
  padding: 8px 12px;
  border-bottom: 1px solid rgba(23, 24, 26, 0.07);
}

.portal__row:last-child { border-bottom: 0; }
.portal__row--head { color: var(--ink-dim); }
.portal__row .ch { color: var(--accent); }
.portal__row .ago { color: var(--ink-dim); }

/* --------------------------------------------------------------------------
   13. Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--bg-sunken);
  border-top: 1px solid var(--line);
  padding-block: 40px 30px;
}

.site-footer__cols {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.site-footer__about {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 34ch;
}

.site-footer .brand { margin-bottom: 12px; }

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 12.5px;
  color: var(--ink-muted);
}

.footer-col__head {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 3px;
}

.footer-col a { text-decoration: none; }
.footer-col a:hover { color: var(--ink); text-decoration: underline; }

.site-footer__legal {
  border-top: 1px solid var(--line-strong);
  padding-top: 16px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
}

.site-footer__legal p {
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 78ch;
}

.site-footer__legal b {
  font-weight: 600;
  color: var(--ink-strong);
}

.site-footer__legal code { font-family: var(--mono); }

.site-footer__versions {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   14. Docs shell
   -------------------------------------------------------------------------- */

.docs-header .site-header__inner { padding-block: 14px; }

.docs-header__tools {
  display: flex;
  align-items: center;
  gap: 16px;
}

.docs-header__tools a {
  font-size: 13px;
  color: var(--ink-muted);
  text-decoration: none;
}

.docs-header__tools a:hover { color: var(--ink); }

.docs-search {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 220px;
  border: 1px solid rgba(23, 24, 26, 0.15);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  background: var(--surface);
}

.docs-search input {
  border: 0;
  background: none;
  font: inherit;
  font-size: 12.5px;
  color: var(--ink);
  width: 100%;
  padding: 0;
}

.docs-search input::placeholder { color: rgba(23, 24, 26, 0.42); }
.docs-search input:focus { outline: none; }
.docs-search:focus-within { border-color: var(--accent); }

.docs-search kbd {
  font-family: var(--mono);
  font-size: 10px;
  border: 1px solid rgba(23, 24, 26, 0.15);
  border-radius: 3px;
  padding: 1px 4px;
  color: var(--ink-faint);
  flex: none;
}

.docs-layout {
  display: grid;
  grid-template-columns: 216px minmax(0, 1fr) 190px;
  max-width: var(--page);
  margin-inline: auto;
  min-height: 640px;
}

.docs-sidebar {
  border-right: 1px solid var(--line);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-self: start;
  position: sticky;
  top: 57px;
  max-height: calc(100vh - 57px);
  overflow-y: auto;
}

.docs-sidebar__head {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 9px;
}

.docs-sidebar ul {
  display: flex;
  flex-direction: column;
  gap: 1px;
  font-size: 12.5px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.docs-sidebar li > * {
  display: block;
  padding: 5px 9px;
  border-radius: 4px;
  color: rgba(23, 24, 26, 0.72);
  text-decoration: none;
}

.docs-sidebar a:hover { background: rgba(23, 24, 26, 0.04); color: var(--ink); }

.docs-sidebar .is-current {
  background: var(--accent-tint-strong);
  color: var(--accent-deep);
  font-weight: 600;
}

/* Pages not yet written: rendered as plain text, not links */
.docs-sidebar .is-pending { color: rgba(23, 24, 26, 0.55); cursor: default; }

.docs-sidebar li[hidden] { display: none; }

.docs-main {
  padding: 30px 40px 44px;
  border-right: 1px solid var(--line);
  min-width: 0;
}

.docs-crumbs {
  display: flex;
  gap: 7px;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  color: rgba(23, 24, 26, 0.42);
  margin-bottom: 16px;
}

.docs-crumbs .is-current { color: var(--accent); }

.docs-main h1 {
  margin-bottom: 12px;
  font-size: 34px;
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 600;
}

.docs-lede {
  margin-bottom: 26px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-muted);
  max-width: 62ch;
}

.docs-main h2 {
  margin-bottom: 10px;
  font-size: 19px;
  letter-spacing: -0.015em;
  font-weight: 600;
  scroll-margin-top: 76px;
}

.docs-main .term { margin-bottom: 26px; }

.callout {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--accent-tint);
  border: 1px solid var(--accent-edge);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 28px;
}

.callout__tag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent-deep);
  font-weight: 500;
  flex: none;
}

.callout p {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--ink-strong);
}

.req { margin-bottom: 28px; }
.req > div { padding: 12px 14px; }
.req h3 { font-size: 13px; font-weight: 600; }
.req p { font-size: 11.5px; color: var(--ink-soft); margin-top: 2px; }

.next-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.next-steps a {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 15px 17px;
  text-decoration: none;
  transition: border-color 0.12s ease;
}

.next-steps a:hover { border-color: var(--accent); }

.next-steps h3 {
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 3px;
}

.next-steps p {
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-soft);
}

.docs-pager {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
}

.docs-pager span { color: var(--ink-soft); }
.docs-pager a { color: var(--accent); font-weight: 500; text-decoration: none; }
.docs-pager a:hover { text-decoration: underline; }

.docs-toc {
  padding: 30px 18px;
  align-self: start;
  position: sticky;
  top: 57px;
}

.docs-toc__head {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 10px;
}

.docs-toc ul {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 12px;
  line-height: 1.4;
  margin: 0;
  padding: 0;
  list-style: none;
}

.docs-toc a {
  display: block;
  color: var(--ink-soft);
  border-left: 2px solid var(--line);
  padding-left: 9px;
  text-decoration: none;
}

.docs-toc a.is-active,
.docs-toc a:hover {
  color: var(--accent);
  border-left-color: var(--accent);
}

.docs-toc__edit {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.5;
}

.docs-toc__edit a { text-decoration: none; }
.docs-toc__edit a:hover { color: var(--ink); text-decoration: underline; }

/* Copy button on code blocks */
.code-block { position: relative; }

.code-block .copy {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(232, 230, 225, 0.1);
  border: 1px solid rgba(232, 230, 225, 0.18);
  color: rgba(232, 230, 225, 0.75);
  font-family: var(--mono);
  font-size: 10px;
  padding: 3px 7px;
  border-radius: 4px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.12s ease, background-color 0.12s ease;
}

.code-block:hover .copy,
.code-block .copy:focus-visible { opacity: 1; }
.code-block .copy:hover { background: rgba(232, 230, 225, 0.18); }

/* --------------------------------------------------------------------------
   15. Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1100px) {
  .docs-layout { grid-template-columns: 216px minmax(0, 1fr); }
  .docs-toc { display: none; }
  .docs-main { border-right: 0; }
}

@media (max-width: 1000px) {
  :root { --gutter: 28px; }

  .grid-rule--5 { grid-template-columns: repeat(3, 1fr); }
  .paths { grid-template-columns: 1fr; gap: 22px; }
  .site-footer__cols { grid-template-columns: 1fr 1fr; row-gap: 28px; }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-block: 44px 36px;
  }

  .hero h1 { font-size: 38px; }
  .premise { grid-template-columns: 1fr; gap: 20px; }
  .premise h2 { font-size: 26px; }
  .grid-rule--3 { grid-template-columns: repeat(2, 1fr); }
  .start { grid-template-columns: 1fr; gap: 32px; }
  .devs { grid-template-columns: 1fr; }

  /* Header collapses to a toggle */
  .nav-toggle { display: inline-flex; }

  .site-header__inner { flex-wrap: wrap; }

  .site-nav {
    display: none;
    order: 3;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    padding-bottom: 8px;
  }

  .site-nav.is-open { display: flex; }

  .site-nav a {
    width: 100%;
    padding: 9px 2px;
    border-bottom: 1px solid var(--line-soft);
    font-size: 14px;
  }

  /* Docs: sidebar becomes a disclosure above the content */
  .docs-layout { grid-template-columns: 1fr; }

  .docs-sidebar {
    position: static;
    max-height: none;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 16px var(--gutter);
    display: none;
  }

  .docs-sidebar.is-open { display: flex; }
  .docs-main { padding: 26px var(--gutter) 40px; }
  .docs-search { width: 170px; }
}

@media (max-width: 720px) {
  :root { --gutter: 20px; }

  .section { padding-block: 40px; }
  .hero h1 { font-size: 32px; }
  .hero__lede { font-size: 15px; }
  .section-head h2, .start h2 { font-size: 23px; }
  .premise h2 { font-size: 23px; }
  .docs-main h1 { font-size: 28px; }

  .grid-rule--3,
  .grid-rule--5,
  .grid-rule--2 { grid-template-columns: 1fr; }

  .spec__row { grid-template-columns: 1fr; }
  .spec__row dt { padding-bottom: 0; }
  .spec__row dd { padding-top: 4px; }

  .next-steps { grid-template-columns: 1fr; }
  .site-footer__cols { grid-template-columns: 1fr; }
  .site-footer__versions { white-space: normal; }
  .term { font-size: 11.5px; }

  /* Comparison table restacks with labels */
  .compare__row--head { display: none; }

  .compare__row {
    grid-template-columns: 1fr;
    padding-block: 4px;
  }

  .compare__key {
    font-size: 13px;
    font-weight: 600;
    padding-bottom: 4px;
  }

  .compare__ours::before,
  .compare__theirs::before {
    display: block;
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 3px;
  }

  .compare__ours::before {
    content: "Hermes, self-hosted";
    color: var(--accent);
  }

  .compare__theirs::before {
    content: "Hosted SaaS";
    color: var(--ink-faint);
  }

  .compare__theirs { padding-bottom: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

@media print {
  .site-header, .docs-sidebar, .docs-toc, .nav-toggle, .copy { display: none !important; }
  body { background: #fff; }
}