/* Fonts are self-hosted (SIL OFL 1.1, see fonts/OFL.txt): same-origin and
   preloaded, so they arrive before first paint and swap without shifting. */
@font-face { font-family: "Bricolage Grotesque"; font-style: normal; font-weight: 700 800; font-stretch: 100%; font-display: swap; src: url("fonts/bricolage-grotesque-latin.woff2") format("woff2"); }
@font-face { font-family: "Figtree"; font-style: normal; font-weight: 400 600; font-display: swap; src: url("fonts/figtree-latin.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("fonts/ibm-plex-mono-400-latin.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url("fonts/ibm-plex-mono-500-latin.woff2") format("woff2"); }

:root {
  color-scheme: dark;
  --desktop: #0A0D12;
  --panel: #11161E;
  --line: #232B36;
  --ink: #EAF0F6;
  --dim: #93A0AE;
  --amber: #FFB454;
  --rec: #FF4545;
  --display: "Bricolage Grotesque", system-ui, sans-serif;
  --body: "Figtree", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
body {
  font-family: var(--body);
  background: var(--desktop);
  color: var(--ink);
  margin: 0;
  line-height: 1.65;
  font-size: 1.0625rem;
}
a { color: var(--amber); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 2px; }
code {
  font-family: var(--mono);
  font-size: 0.875em;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.1rem 0.35rem;
}
pre {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem 1.2rem;
  overflow-x: auto;
  font-size: 0.95rem;
}
pre code { border: 0; padding: 0; background: none; font-size: 0.875em; }
.wrap { max-width: 920px; margin: 0 auto; padding: 0 1.5rem; }

/* ---- HUD: the fixed recording chrome ---- */
.hud {
  position: fixed; inset: 0 0 auto 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.65rem 1.25rem;
  font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.04em;
  color: var(--dim);
  background: color-mix(in srgb, var(--desktop) 82%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.hud-left { display: flex; align-items: center; gap: 0.6rem; }
.rec-dot {
  width: 0.65rem; height: 0.65rem; border-radius: 50%;
  background: var(--rec);
  animation: rec-pulse 1.6s ease-in-out infinite;
}
.rec-label { color: var(--rec); font-weight: 500; }
.hud #tc { color: var(--ink); font-variant-numeric: tabular-nums; }
.hud-right { display: flex; align-items: center; gap: 1.1rem; }
.hud-right a { color: var(--dim); text-decoration: none; }
.hud-right a:hover { color: var(--amber); }
@keyframes rec-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

/* ---- Hero: headline inside a capture marquee ---- */
.hero { padding: 9.5rem 0 5rem; }
.eyebrow {
  font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.14em;
  color: var(--dim); margin: 0 0 1.6rem;
}
.marquee {
  position: relative;
  display: inline-block;
  padding: clamp(1.4rem, 4vw, 2.6rem) clamp(1.2rem, 4.5vw, 3rem);
  border: 1px dashed color-mix(in srgb, var(--dim) 55%, transparent);
  animation: marquee-in 0.7s ease-out 0.15s backwards;
}
.marquee .handle, .vf-screen .handle {
  position: absolute; width: 9px; height: 9px;
  background: var(--desktop); border: 1.5px solid var(--ink);
}
.handle.tl { top: -5px; left: -5px; }
.handle.tr { top: -5px; right: -5px; }
.handle.bl { bottom: -5px; left: -5px; }
.handle.br { bottom: -5px; right: -5px; }
.marquee .dims {
  position: absolute; right: 0; bottom: -1.7rem;
  font-family: var(--mono); font-size: 0.72rem; color: var(--dim);
}
@keyframes marquee-in {
  from { opacity: 0; transform: scale(0.985); }
  to   { opacity: 1; transform: scale(1); }
}
h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.1rem, 6.2vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 0;
}
h1 .amber { color: var(--amber); }
.sub {
  max-width: 44rem; color: var(--dim); font-size: 1.125rem;
  margin: 2.6rem 0 2rem;
}
.sub strong { color: var(--ink); font-weight: 600; }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.9rem; align-items: center; }
.install-cmd {
  display: flex; align-items: center; gap: 0.9rem;
  font-family: var(--mono); font-size: 0.95rem;
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
  padding: 0.7rem 1.1rem;
}
.install-cmd .dollar { color: var(--dim); user-select: none; }
.install-cmd button {
  font-family: var(--mono); font-size: 0.78rem;
  color: var(--amber); background: none;
  border: 1px solid var(--line); border-radius: 5px;
  padding: 0.25rem 0.6rem; cursor: pointer;
}
.install-cmd button:hover { border-color: var(--amber); }
.gh-link { font-family: var(--mono); font-size: 0.9rem; }
.install-cmd { max-width: 100%; }
.install-cmd #cmd { white-space: nowrap; overflow-x: auto; min-width: 0; scrollbar-width: thin; }
.cta-links { display: flex; flex-wrap: wrap; gap: 0.6rem 1.4rem; margin: 1rem 0 0; font-family: var(--mono); font-size: 0.9rem; }
.hero-demo { margin: 2.4rem 0 1rem; }
.sub.small { font-size: 0.95rem; margin-top: 1.6rem; }

/* ---- Chapters ---- */
.chapter { padding: 3.6rem 0 0.4rem; }
.tc-mark {
  display: flex; align-items: baseline; gap: 0.8rem;
  font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.1em;
  color: var(--dim);
  border-top: 1px solid var(--line); padding-top: 1.1rem;
}
.tc-mark .tc { color: var(--amber); }
h2 {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  letter-spacing: -0.01em;
  margin: 0.9rem 0 0.7rem;
}
.chapter > p { max-width: 46rem; color: var(--dim); margin-top: 0; }
.chapter > p strong, .chapter > p code { color: var(--ink); }

/* ---- Tool tables ---- */
table { width: 100%; border-collapse: collapse; margin: 1.4rem 0 0.6rem; }
th, td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th {
  font-family: var(--mono); font-weight: 500; font-size: 0.75rem;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--dim);
}
td:first-child { white-space: nowrap; }
td code { background: none; border: 0; padding: 0; color: var(--amber); font-size: 0.85rem; }
td:last-child { color: var(--dim); font-size: 0.95rem; }

/* ---- Prose sections ---- */
ul { padding-left: 1.2rem; color: var(--dim); }
ul li { margin: 0.5rem 0; }
ul li code { color: var(--ink); }
.note {
  background: var(--panel);
  border-left: 3px solid var(--rec);
  border-radius: 0 8px 8px 0;
  padding: 1rem 1.2rem;
  margin: 1.4rem 0;
  color: var(--dim);
  max-width: 46rem;
}
.note strong { color: var(--ink); }

footer {
  margin-top: 5rem; padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: 0.8rem; color: var(--dim);
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
}

@media (max-width: 640px) {
  .hud { font-size: 0.72rem; padding: 0.55rem 1rem; }
  .hud-right .pkg { display: none; }
  .hero { padding-top: 7.5rem; }
  .install-cmd { font-size: 0.8rem; width: 100%; justify-content: space-between; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rec-dot { animation: none; }
  .marquee { animation: none; }
}

/* ---- Workflow pages ---- */
.hud-right .here { color: var(--ink); }
.page-head { padding: 7.5rem 0 1rem; }
.crumbs {
  font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.08em;
  color: var(--dim); margin: 0 0 1.4rem;
}
.crumbs a { color: var(--dim); text-decoration: none; }
.crumbs a:hover { color: var(--amber); }
.page-head h1 { font-size: clamp(1.9rem, 5vw, 3.1rem); }
.lede { max-width: 44rem; color: var(--dim); font-size: 1.125rem; margin: 1.2rem 0 0; }
.lede strong { color: var(--ink); font-weight: 600; }

/* The example prompt: what you type to the agent. */
.prompt {
  position: relative; max-width: 46rem;
  margin: 1.6rem 0; padding: 1rem 1.2rem 1rem 1.2rem;
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
  font-size: 1.05rem;
}
.prompt::before {
  content: "YOU"; display: block; margin-bottom: 0.35rem;
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; color: var(--amber);
}

/* Tool calls as a numbered take list. */
.takes { list-style: none; padding: 0; margin: 1.4rem 0; color: var(--ink); counter-reset: take; }
.takes > li {
  counter-increment: take;
  display: grid; grid-template-columns: 3.2rem 1fr; gap: 0 0.6rem;
  padding: 0.9rem 0; border-top: 1px solid var(--line); margin: 0;
}
.takes > li::before {
  content: "T" counter(take, decimal-leading-zero);
  font-family: var(--mono); font-size: 0.8rem; color: var(--amber); padding-top: 0.15rem;
}
.takes .call { font-family: var(--mono); font-size: 0.875rem; overflow-wrap: anywhere; }
.takes .call b { color: var(--amber); font-weight: 500; }
.takes .why { grid-column: 2; color: var(--dim); font-size: 0.95rem; margin-top: 0.25rem; }
.takes .ret {
  grid-column: 2; margin-top: 0.45rem;
  font-family: var(--mono); font-size: 0.8rem; color: var(--dim); overflow-wrap: anywhere;
}
.takes .ret::before { content: "\2192  "; color: var(--rec); }

/* A real output, framed like a capture with its dimensions. */
figure.output { margin: 2rem 0; }
figure.output .frame {
  position: relative; display: inline-block; max-width: 100%;
  padding: 10px; border: 1px dashed color-mix(in srgb, var(--dim) 55%, transparent);
}
figure.output img { display: block; max-width: 100%; height: auto; border-radius: 2px; }
figure.output figcaption {
  font-family: var(--mono); font-size: 0.78rem; color: var(--dim); margin-top: 0.6rem;
}
figure.output figcaption .tc { color: var(--amber); }

.pager {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  margin-top: 3.5rem; padding-top: 1.2rem; border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: 0.85rem;
}

/* Recipe index cards. */
.recipes { list-style: none; padding: 0; margin: 1.6rem 0; display: grid; gap: 1rem; }
.recipes li { margin: 0; }
.recipes a {
  display: grid; grid-template-columns: 4.2rem 1fr; gap: 0.2rem 1rem; align-items: baseline;
  padding: 1.1rem 1.2rem; text-decoration: none; color: var(--ink);
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
}
.recipes a:hover { border-color: var(--amber); }
.recipes .tc { font-family: var(--mono); font-size: 0.8rem; color: var(--amber); }
.recipes .name { font-family: var(--display); font-weight: 700; font-size: 1.25rem; }
.recipes .chain { grid-column: 2; font-family: var(--mono); font-size: 0.8rem; color: var(--dim); }

/* Client tabs; without JS every panel shows, each with its own heading. */
.tabs { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 1.6rem 0 0; }
.tabs button {
  font-family: var(--mono); font-size: 0.82rem; cursor: pointer;
  color: var(--dim); background: none;
  border: 1px solid var(--line); border-radius: 6px; padding: 0.45rem 0.9rem;
}
.tabs button[aria-selected="true"] { color: var(--desktop); background: var(--amber); border-color: var(--amber); }
.panel h3 { font-family: var(--display); font-size: 1.3rem; margin: 2rem 0 0.4rem; }
.js .panel h3 { display: none; }
/* Before site.js runs, show only the first panel so nothing jumps; site.js marks the chosen one .active. */
.js .tabs ~ .panel ~ .panel:not(.active) { display: none; }
.js .panel[hidden] { display: none; }
.panel > p { color: var(--dim); max-width: 46rem; }
.panel > p code, .panel > p strong { color: var(--ink); }
.panel ol { color: var(--dim); padding-left: 1.2rem; }
.panel ol li { margin: 0.4rem 0; }
.panel ol li code { color: var(--ink); }
.copyable { position: relative; padding-right: 4.5rem; }
.copyable button {
  position: absolute; top: 0.55rem; right: 0.55rem;
  font-family: var(--mono); font-size: 0.75rem; color: var(--amber);
  background: var(--desktop); border: 1px solid var(--line); border-radius: 5px;
  padding: 0.2rem 0.55rem; cursor: pointer;
}
.copyable button:hover { border-color: var(--amber); }

@media (max-width: 640px) {
  .page-head { padding-top: 6rem; }
  .hud-right { gap: 0.8rem; }
  .hud-right .home, .hud-right .gh { display: none; }
  .takes > li { grid-template-columns: 2.6rem 1fr; }
  .recipes a { grid-template-columns: 1fr; }
  .recipes .chain { grid-column: 1; }
}

/* ---- Hero viewfinder: real frames from sample_frames, scrubbable ---- */
.viewfinder { margin: 2.8rem 0 1rem; max-width: 600px; }
.vf-head {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
  gap: 0.6rem 1rem; margin-bottom: 1rem; color: var(--dim); font-size: 0.95rem;
}
.vf-toggle { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.vf-toggle button {
  font-family: var(--mono); font-size: 0.8rem; color: var(--dim);
  background: none; border: 0; padding: 0.45rem 0.85rem; cursor: pointer;
}
.vf-toggle button + button { border-left: 1px solid var(--line); }
.vf-toggle button[aria-pressed="true"] { color: var(--ink); background: var(--panel); box-shadow: inset 0 -2px 0 var(--amber); }
.vf-screen { position: relative; padding: 12px; border: 1px dashed color-mix(in srgb, var(--dim) 55%, transparent); }
.vf-frame {
  aspect-ratio: 480 / 282; border-radius: 2px;
  background: #000 url("media/viewfinder-before.webp") 0 0 / 2800% 100% no-repeat;
}
.viewfinder[data-version="after"] .vf-frame,
.viewfinder[data-version="after"] .vf-thumbs span { background-image: url("media/viewfinder-after.webp"); }
.vf-readout {
  position: absolute; top: 22px; left: 22px;
  font-family: var(--mono); font-size: 0.75rem; font-variant-numeric: tabular-nums;
  color: #fff; background: rgba(10, 13, 18, 0.78); padding: 0.15rem 0.5rem; border-radius: 3px;
}
.vf-rec { color: var(--rec); }
.vf-strip { position: relative; height: 54px; margin-top: 1rem; }
.vf-strip:has(.vf-range:focus-visible) { outline: 2px solid var(--amber); outline-offset: 4px; border-radius: 4px; }
.vf-thumbs { position: absolute; inset: 0; display: flex; overflow: hidden; border: 1px solid var(--line); border-radius: 4px; }
.vf-thumbs span {
  flex: 1 1 0; min-width: 0; opacity: 0.45;
  background: url("media/viewfinder-before.webp") 0 0 / 2800% 100% no-repeat;
}
.vf-thumbs span.past { opacity: 0.8; }
.vf-mark { position: absolute; left: calc(var(--at) * 100%); pointer-events: none; }
.vf-mark.scene { top: -7px; bottom: 0; width: 2px; margin-left: -1px; background: var(--amber); }
.vf-mark.scene::before {
  content: ""; position: absolute; top: 0; left: -4px;
  border: 5px solid transparent; border-top-color: var(--amber); border-bottom: 0;
}
.vf-mark.click { bottom: -6px; width: 10px; height: 10px; margin-left: -5px; border-radius: 50%; background: var(--rec); box-shadow: 0 0 0 2px var(--desktop); }
.vf-head-line {
  position: absolute; top: -5px; bottom: -5px; width: 2px; margin-left: -1px;
  left: calc(var(--p, 0.018) * 100%); background: var(--ink); pointer-events: none;
}
.vf-range { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; }
.vf-call { margin: 1rem 0 0.35rem; font-family: var(--mono); font-size: 0.85rem; white-space: nowrap; overflow-x: auto; }
.vf-call code { background: none; border: 0; padding: 0; color: var(--ink); font-size: inherit; }
/* Fixed height: the note changes as you scrub, and the page must not jump. */
.vf-note { margin: 0; max-width: 46rem; min-height: 4.95em; color: var(--dim); font-size: 0.95rem; }
.vf-note code { color: var(--ink); }

/* ---- The page as a recording: HUD track follows scroll ---- */
.hud-track { position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; pointer-events: none; }
.hud-fill { position: absolute; left: 0; top: 0; bottom: 0; width: calc(var(--progress, 0) * 100%); background: var(--rec); }
.hud-tick { position: absolute; top: -3px; width: 1px; height: 5px; background: var(--dim); }

/* ---- Tool finder ---- */
.finder {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem 1rem;
  margin-top: 3.6rem; padding-top: 1.1rem; border-top: 1px solid var(--line);
}
.finder label { font-family: var(--display); font-weight: 700; font-size: 1.3rem; }
.finder input {
  flex: 1 1 16rem; min-width: 0;
  font-family: var(--mono); font-size: 0.95rem; color: var(--ink);
  background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 0.55rem 0.8rem;
}
.finder input::placeholder { color: var(--dim); }
#tool-count { font-family: var(--mono); font-size: 0.8rem; color: var(--dim); }
.finder-empty { color: var(--dim); margin: 1.4rem 0 0; }
#tools .chapter:first-child { padding-top: 2rem; }

@media (max-width: 640px) {
  .vf-strip { height: 44px; }
  .vf-note { min-height: 7.2em; }
}