:root {
  color-scheme: light dark;
  --bg: #0d1520;
  --panel: #142031;
  --panel-soft: #111b29;
  --line: #2a3a52;
  --line-soft: rgba(42, 58, 82, 0.6);
  --text: #f3f5f9;
  --muted: #a5afc0;
  --soft: #c9d0dc;
  --hover: rgba(255, 255, 255, 0.06);
  --stripe: rgba(255, 255, 255, 0.03);
  --accent: #f6b73c;
  /* Amber reserved for text: a lighter tone on dark, a darker one on light, so small
     text stays above 4.5:1. */
  --accent-text: #f8c766;
  --accent-soft: rgba(246, 183, 60, 0.14);
  --accent-ink: #1a1205;
  --inline-code: #ffe2a6;
  --glow-a: rgba(246, 183, 60, 0.12);
  --glow-b: rgba(95, 184, 166, 0.08);
  --nav-panel: rgba(20, 32, 49, 0.72);
  /* Terminals stay dark in both themes. */
  --term-bg: #080d14;
  --term-line: #2a3a52;
  --term-bar: #142031;
  --term-text: #e4e8f0;
  --term-dim: #8792a6;
  --term-ok: #6ee7a8;
  --term-warn: #f8c766;
  --mono: "SFMono-Regular", "SF Mono", ui-monospace, Menlo, Consolas, "Liberation Mono", monospace;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7fa;
    --panel: #ffffff;
    --panel-soft: #eef1f6;
    --line: #d5dbe5;
    --line-soft: rgba(213, 219, 229, 0.8);
    --text: #121a27;
    --muted: #4a5567;
    --soft: #2c3646;
    --hover: rgba(18, 26, 39, 0.06);
    --stripe: rgba(18, 26, 39, 0.025);
    --accent-text: #8a5300;
    --accent-soft: rgba(246, 183, 60, 0.22);
    --inline-code: #6b3f00;
    --glow-a: rgba(246, 183, 60, 0.18);
    --glow-b: rgba(95, 184, 166, 0.12);
    --nav-panel: rgba(255, 255, 255, 0.85);
  }
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 0%, var(--glow-a), transparent 34rem),
    radial-gradient(circle at 84% 8%, var(--glow-b), transparent 30rem),
    var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-tap-highlight-color: rgba(246, 183, 60, 0.24);
}

a {
  color: inherit;
}

a,
.button,
.copy-button {
  touch-action: manipulation;
}

a:focus-visible,
.button:focus-visible,
.copy-button:focus-visible {
  border-radius: 7px;
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  background: var(--accent);
  border-radius: 7px;
  color: var(--accent-ink);
  font-weight: 700;
  left: 16px;
  padding: 10px 14px;
  position: absolute;
  text-decoration: none;
  top: 14px;
  transform: translateY(-160%);
  transition: transform 160ms ease;
  z-index: 10;
}

.skip-link:focus-visible {
  transform: translateY(0);
}

.shell {
  margin: 0 auto;
  width: min(1080px, calc(100% - 32px));
}

/* ---- Nav ---- */

.nav {
  align-items: center;
  display: flex;
  gap: 20px;
  justify-content: space-between;
  padding: 22px 0;
}

.brand {
  align-items: center;
  display: inline-flex;
  font-size: 18px;
  font-weight: 750;
  gap: 11px;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand img {
  display: block;
  height: 36px;
  width: 36px;
}

.version {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  padding: 2px 8px;
}

.nav-links {
  align-items: center;
  display: flex;
  gap: 6px;
}

.nav-links a {
  border-radius: 6px;
  color: var(--muted);
  padding: 8px 10px;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease;
}

.nav-links a:hover {
  background: var(--hover);
  color: var(--text);
}

.nav-links a[aria-current="page"] {
  background: var(--accent-soft);
  color: var(--text);
}

#install,
.section[id],
.doc-section {
  /* Anchor jumps land below the nav with breathing room. */
  scroll-margin-top: 80px;
}

/* ---- Hero ---- */

.hero {
  padding: 52px 0 56px;
}

.hero.compact {
  padding-bottom: 28px;
}

.hero-inner {
  max-width: 760px;
}

.eyebrow {
  color: var(--accent-text);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin: 0 0 14px;
  text-transform: uppercase;
}

.eyebrow a {
  text-underline-offset: 3px;
}

h1 {
  font-size: clamp(40px, 7vw, 68px);
  letter-spacing: -0.02em;
  line-height: 1.02;
  margin: 0 0 22px;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.hero-split h1 {
  font-size: clamp(38px, 5vw, 58px);
  line-height: 1.04;
}

.hero-copy {
  color: var(--soft);
  font-size: 19px;
  line-height: 1.55;
  margin: 0 0 28px;
  max-width: 640px;
}

.hero-copy code {
  font-size: 0.85em;
}

.actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  align-items: center;
  border: 1px solid transparent;
  border-radius: 7px;
  display: inline-flex;
  font-weight: 700;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  text-decoration: none;
  transition:
    filter 180ms ease,
    transform 120ms ease,
    background 180ms ease;
}

.button.primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.button.secondary {
  border-color: var(--line);
  color: var(--text);
}

.button.secondary:hover {
  background: var(--hover);
}

.button:hover {
  filter: brightness(1.05);
}

.button:active {
  transform: translateY(1px);
}

.button.primary:focus-visible {
  /* The shared outline is amber-on-amber against this fill, so switch it to
     the text colour and add an inner ring. */
  box-shadow: inset 0 0 0 2px var(--accent-ink);
  outline-color: var(--text);
}

.button svg {
  height: 18px;
  width: 18px;
}

.requirements {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
  margin: 14px 0 0;
}

.install {
  container-type: inline-size;
  margin-top: 26px;
  max-width: 760px;
}

.install-label {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 8px;
}

/* ---- Code ---- */

.command {
  align-items: center;
  background: var(--term-bg);
  border: 1px solid var(--term-line);
  border-radius: 8px;
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 8px 8px 8px 16px;
}

code {
  color: var(--inline-code);
  font-family: var(--mono);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.command code,
.code-panel code,
.term-window code {
  color: var(--term-text);
}

.prompt {
  color: var(--term-dim);
  user-select: none;
}

.comment {
  color: var(--term-dim);
}

.command code {
  display: block;
  overflow-x: auto;
  scrollbar-width: thin;
  white-space: nowrap;
}

.command .mobile-command {
  display: none;
}

.copy-button {
  align-items: center;
  background: transparent;
  border: 1px solid var(--term-line);
  border-radius: 7px;
  color: var(--term-text);
  cursor: pointer;
  display: inline-flex;
  flex: none;
  height: 44px;
  justify-content: center;
  padding: 0;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease;
  width: 44px;
}

.copy-button:hover {
  background: rgba(255, 255, 255, 0.08);
}

.copy-button svg {
  height: 18px;
  width: 18px;
}

.copy-button .check-icon {
  display: none;
}

.copy-button.is-copied {
  border-color: rgba(110, 231, 168, 0.7);
  color: var(--term-ok);
}

.copy-button.is-copied .copy-icon {
  display: none;
}

.copy-button.is-copied .check-icon {
  display: block;
}

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

.code-panel {
  background: var(--term-bg);
  border: 1px solid var(--term-line);
  border-radius: 8px;
  margin: 16px 0;
  max-width: 100%;
  overflow: hidden;
  position: relative;
}

.code-panel pre {
  margin: 0;
  max-width: 100%;
  overflow-x: auto;
  padding: 15px 64px 15px 16px;
  scrollbar-width: thin;
}

.code-panel code {
  display: block;
  font-size: 13.5px;
  line-height: 1.6;
  white-space: pre;
}

/* script.js adds a copy button to each code panel. */
.code-panel .copy-button {
  background: var(--term-bg);
  height: 36px;
  opacity: 0.75;
  position: absolute;
  right: 8px;
  top: 8px;
  width: 36px;
}

.code-panel:hover .copy-button,
.code-panel .copy-button:focus-visible,
.code-panel .copy-button.is-copied {
  opacity: 1;
}

.code-panel .copy-button svg {
  height: 16px;
  width: 16px;
}

/* Output lines in terminal samples. */
.out {
  color: var(--term-dim);
}

.ok {
  color: var(--term-ok);
}

.hl {
  color: var(--term-warn);
}

/* ---- Sections ---- */

.section {
  padding: 48px 0;
}

.section-head {
  margin-bottom: 26px;
  max-width: 680px;
}

.section h2,
.doc-section h2 {
  font-size: 32px;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  text-wrap: balance;
}

.section-head p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
  margin: 0;
}

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

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 22px;
}

.card h3 {
  font-size: 20px;
  margin: 0 0 9px;
}

.card p,
.doc-section p,
.doc-section li {
  color: var(--muted);
  line-height: 1.65;
}

.doc-section p,
.doc-section ul,
.doc-section ol {
  /* Cap the measure for readability on wide viewports. */
  max-width: 72ch;
}

.card p {
  margin: 0;
}

.card ul {
  color: var(--muted);
  line-height: 1.6;
  margin: 12px 0 0;
  padding-left: 20px;
}

.card-action {
  margin-top: auto !important;
  padding-top: 16px;
}

.card-action a,
.inline-link,
.section-head p a,
.card p a,
.doc-section p a,
.doc-section li a,
.doc-section td a {
  color: var(--accent-text);
  font-weight: 650;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.card-action a {
  border-radius: 6px;
  display: inline-flex;
  font-weight: 700;
  padding: 6px 0;
}

/* ---- The save → edit → restore loop: three numbered steps ---- */

.loop {
  counter-reset: step;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}

.loop li {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  counter-increment: step;
  min-width: 0;
  padding: 20px 22px 22px;
}

.loop li::before {
  align-items: center;
  background: var(--accent-soft);
  border-radius: 999px;
  color: var(--accent-text);
  content: counter(step);
  display: inline-flex;
  font-size: 13px;
  font-weight: 800;
  height: 26px;
  justify-content: center;
  margin-bottom: 14px;
  width: 26px;
}

.loop h3 {
  font-size: 19px;
  margin: 0 0 8px;
}

.loop p {
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 14px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chips code {
  background: var(--hover);
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  font-size: 12.5px;
  padding: 3px 7px;
}

/* ---- Feature list: a two-column definition list, not a card grid ---- */

.feature-list {
  display: grid;
  gap: 0 48px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
}

.feature-list > div {
  border-top: 1px solid var(--line);
  padding: 20px 0 24px;
}

.feature-list dt {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-list dd {
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
  max-width: 48ch;
}

.feature-list dd code {
  font-size: 13px;
}

/* ---- Tables ---- */

.table-wrap {
  max-width: 100%;
  overflow-x: auto;
}

.data-table {
  border-collapse: collapse;
  color: var(--muted);
  margin: 16px 0;
  width: 100%;
}

.data-table th,
.data-table td {
  border: 1px solid var(--line);
  line-height: 1.55;
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.data-table tbody tr:nth-child(even) {
  background: var(--stripe);
}

.data-table th {
  background: var(--panel-soft);
  color: var(--text);
}

.data-table td:first-child {
  color: var(--text);
}

.data-table code {
  font-size: 13px;
}

.data-table td:first-child code {
  white-space: nowrap;
}

.badge {
  border-radius: 999px;
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  padding: 2px 9px;
  white-space: nowrap;
}

.badge.full {
  background: rgba(110, 231, 168, 0.16);
  color: var(--text);
}

.badge.resume {
  background: var(--hover);
  color: var(--muted);
}

/* ---- Doc pages ---- */

.doc-layout {
  display: grid;
  gap: 40px;
  grid-template-columns: minmax(0, 1fr) 220px;
  padding-bottom: 56px;
}

.doc-main {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
}

.doc-nav {
  align-self: start;
  background: var(--nav-panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  grid-column: 2;
  grid-row: 1;
  max-height: calc(100vh - 36px);
  overflow-y: auto;
  padding: 16px;
  position: sticky;
  top: 18px;
}

.doc-nav strong {
  display: block;
  font-size: 14px;
  margin-bottom: 8px;
}

.doc-nav a {
  border-radius: 6px;
  color: var(--muted);
  display: block;
  font-size: 14.5px;
  padding: 7px 8px;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease;
}

.doc-nav a:hover {
  background: var(--hover);
  color: var(--text);
}

.doc-nav a.is-active {
  background: var(--accent-soft);
  color: var(--text);
}

.doc-section {
  margin-bottom: 44px;
}

.doc-section h3 {
  font-size: 20px;
  margin: 28px 0 10px;
}

.doc-section + .doc-section {
  border-top: 1px solid var(--line-soft);
  padding-top: 38px;
}

.doc-section ul,
.doc-section ol {
  padding-left: 20px;
}

.doc-section li + li {
  margin-top: 6px;
}

.doc-section strong {
  color: var(--text);
}

.callout {
  background: var(--accent-soft);
  border: 1px solid rgba(246, 183, 60, 0.45);
  border-radius: 8px;
  margin: 16px 0;
  max-width: 72ch;
  padding: 12px 16px;
}

.callout p {
  color: var(--soft);
  margin: 0;
}

/* ---- Footer ---- */

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 28px 0 42px;
}

footer .shell {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
}

footer a {
  color: var(--soft);
}

/* ---- Home hero: copy on the left, a terminal session on the right ---- */

.hero-split {
  align-items: center;
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  row-gap: 36px;
}

.demo {
  margin: 0;
  min-width: 0;
}

/* The install row spans both hero columns so the one-liner fits on one line. */
.hero-install {
  grid-column: 1 / -1;
  min-width: 0;
}

.hero-install .install {
  margin-top: 0;
}

.hero-install .requirements {
  max-width: 760px;
}

.term-window {
  background: var(--term-bg);
  border: 1px solid var(--term-line);
  border-radius: 12px;
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}

.term-bar {
  align-items: center;
  background: var(--term-bar);
  border-bottom: 1px solid var(--term-line);
  color: var(--term-dim);
  display: flex;
  font-size: 12.5px;
  gap: 10px;
  padding: 9px 12px;
}

.term-dots {
  display: flex;
  gap: 6px;
}

.term-dots span {
  background: #3a4a63;
  border-radius: 50%;
  height: 10px;
  width: 10px;
}

.term-window pre {
  margin: 0;
  overflow-x: auto;
  padding: 14px 16px 16px;
  scrollbar-width: thin;
}

.term-window code {
  display: block;
  font-size: 12.5px;
  line-height: 1.6;
  white-space: pre;
}

/* One orchestrated moment on load: the three commands appear in turn.
   Disabled for reduced motion below. */
@media (prefers-reduced-motion: no-preference) {
  .term-window .step-2 {
    animation: fade-in 300ms ease 700ms both;
  }

  .term-window .step-3 {
    animation: fade-in 300ms ease 1400ms both;
  }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---- Responsive ---- */

@media (max-width: 960px) {
  .grid,
  .grid.two,
  .loop {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .doc-layout {
    gap: 28px;
    grid-template-columns: 1fr;
  }

  .doc-nav,
  .doc-main {
    grid-column: 1;
    grid-row: auto;
  }

  /* On narrow screens the page index sits above the content as a wrapping
     row of links rather than a tall sticky list. */
  .doc-nav {
    max-height: none;
    position: static;
  }

  .doc-nav .doc-nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
  }

  .doc-nav a {
    background: var(--hover);
    display: inline-flex;
  }

  .hero-split {
    gap: 32px;
    grid-template-columns: 1fr;
  }

  /* On one column the install command comes before the terminal sample. */
  .hero-install {
    order: 1;
  }

  .demo {
    order: 2;
  }
}

@media (max-width: 760px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .nav-links {
    flex-wrap: wrap;
    margin-left: -10px;
    row-gap: 2px;
  }

  .nav-links a {
    /* WCAG 2.5.5 hit area on touch. */
    align-items: center;
    display: inline-flex;
    min-height: 44px;
    padding: 11px 10px;
  }

  .hero {
    padding: 28px 0 40px;
  }

  .hero.compact {
    padding-bottom: 16px;
  }

  .section {
    padding: 36px 0;
  }

  .feature-list {
    grid-template-columns: 1fr;
  }

  footer .shell {
    flex-direction: column;
  }

  /* Doc tables are name → description. On phones each row stacks (name above
     description) instead of squeezing columns. */
  .data-table.stack,
  .data-table.stack tbody,
  .data-table.stack tr,
  .data-table.stack td {
    display: block;
    width: 100%;
  }

  .data-table.stack {
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
  }

  .data-table.stack thead {
    border: 0;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    height: 1px;
    overflow: hidden;
    position: absolute;
    width: 1px;
  }

  .data-table.stack tr + tr {
    border-top: 1px solid var(--line);
  }

  .data-table.stack td {
    border: 0;
    padding: 4px 14px;
  }

  .data-table.stack td:first-child {
    font-weight: 600;
    padding-top: 12px;
  }

  .data-table.stack td:last-child {
    padding-bottom: 12px;
  }

  .data-table.stack code,
  .data-table.stack td:first-child code {
    overflow-wrap: anywhere;
    white-space: normal;
  }
}

@media (max-width: 480px) {
  .section h2,
  .doc-section h2 {
    font-size: 27px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .doc-section {
    margin-bottom: 36px;
  }

  .doc-section + .doc-section {
    padding-top: 30px;
  }

  .actions .button {
    flex: 1 1 auto;
    justify-content: center;
  }

  /* Keeps the nav on one row; the hero button and footer link to GitHub. */
  .nav-links .nav-github {
    display: none;
  }

  .term-window code {
    font-size: 11px;
  }

  .data-table th,
  .data-table td {
    padding: 8px 9px;
  }

  /* Long commands and URLs in prose break instead of widening the page. */
  .doc-section p code,
  .doc-section li code {
    overflow-wrap: anywhere;
  }

  /* Lets the agents table fit a phone instead of scrolling sideways. */
  .badge {
    white-space: normal;
  }

  .data-table code {
    overflow-wrap: anywhere;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .button:active {
    transform: none;
  }
}

/* The one-line install command needs ~600px; in a narrower box show the
   pre-broken version instead of clipping it. */
@container (max-width: 600px) {
  .command .desktop-command {
    display: none;
  }

  .command .mobile-command {
    display: block;
    font-size: clamp(11px, 3.05vw, 13.5px);
    line-height: 1.55;
    overflow-wrap: anywhere;
    white-space: normal;
  }
}