/* THX-02 API reference, HAL-X brand: JUST Sans, Ruby #E21766 on Ink #121212. */
@font-face { font-family: "JUST Sans"; src: url("fonts/just-regular.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "JUST Sans"; src: url("fonts/just-bold.woff2") format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --ruby: #E21766; --ruby-soft: #FCE8F0; --ink: #121212; --ink-2: #1C1C1C; --ink-3: #2A2A2A;
  --bg: #FFFFFF; --bg-2: #F6F6F6; --line: #E6E6E6; --text: #121212; --muted: #5C5C5C; --faint: #8C8C8C;
  --code-bg: #121212; --code-text: #EDEDED; --inline-bg: #F2F2F2;
  --ok: #1F9D55; --warn: #C27C0E; --err: #D0342C;
  --sans: "JUST Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, "DejaVu Sans Mono", monospace;
  --top: 64px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0E0E0E; --bg-2: #161616; --line: #262626; --text: #EDEDED; --muted: #A6A6A6; --faint: #737373;
    --code-bg: #050505; --inline-bg: #1D1D1D; --ruby-soft: #3A0D1E;
  }
}
:root[data-theme="dark"] {
  --bg: #0E0E0E; --bg-2: #161616; --line: #262626; --text: #EDEDED; --muted: #A6A6A6; --faint: #737373;
  --code-bg: #050505; --inline-bg: #1D1D1D; --ruby-soft: #3A0D1E;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--top) + 16px); }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { display: block; }
.in { max-width: 1240px; margin: 0 auto; padding: 0 28px; }

/* top bar */
.topbar { position: sticky; top: 0; z-index: 20; height: var(--top); background: var(--ink); color: #fff; border-bottom: 1px solid var(--ink-3); }
.topbar .in { height: 100%; display: flex; align-items: center; gap: 22px; }
.topbar .logo img { height: 40px; width: auto; }
.topbar .prod { font-weight: 700; letter-spacing: .02em; padding-left: 20px; border-left: 1px solid var(--ink-3); white-space: nowrap; }
.topbar .prod span { color: var(--ruby); }
.topbar nav { display: flex; gap: 4px; margin-left: auto; }
.topbar nav a { text-decoration: none; color: #BDBDBD; font-size: 13.5px; padding: 6px 10px; border-radius: 6px; }
.topbar nav a:hover { color: #fff; background: var(--ink-3); }
.topbar .theme { background: none; border: 1px solid var(--ink-3); color: #BDBDBD; border-radius: 6px; width: 32px; height: 32px; cursor: pointer; font-size: 14px; }
.topbar .theme:hover { color: #fff; border-color: #444; }
.menu { display: none; background: none; border: 1px solid var(--ink-3); color: #fff; border-radius: 6px; height: 32px; padding: 0 10px; cursor: pointer; font: inherit; font-size: 13px; }

/* hero */
.hero { background: var(--ink); color: #fff; position: relative; overflow: hidden; border-bottom: 3px solid var(--ruby); }
.hero .in { position: relative; padding-top: 72px; padding-bottom: 64px; }
.hero .emb { position: absolute; right: -60px; top: -40px; width: 460px; opacity: .22; pointer-events: none; }
.label { display: flex; align-items: center; gap: 10px; font-size: 11.5px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin: 0 0 12px; }
.label::before { content: ""; width: 22px; height: 2px; background: var(--ruby); }
.hero .label { color: #fff; }
.hero h1 { font-size: clamp(40px, 6vw, 68px); line-height: 1.02; letter-spacing: -.01em; margin: 0 0 22px; text-transform: uppercase; }
.hero h1 em { font-style: normal; color: var(--ruby); }
.hero .lead { color: #BDBDBD; font-size: 18px; max-width: 760px; margin: 0; }
.hero .stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 44px; border-top: 1px solid var(--ink-3); }
.hero .stats div { padding: 18px 18px 0 0; }
.hero .stats b { display: block; font-size: 26px; line-height: 1.25; margin-bottom: 4px; }
.hero .stats span { color: #8C8C8C; font-size: 13px; }
.hero .cta { display: flex; gap: 10px; margin-top: 34px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 700; font-size: 14px; padding: 11px 18px; border-radius: 8px; border: 1px solid transparent; }
.btn.primary { background: var(--ruby); color: #fff; }
.btn.primary:hover { background: #C9105A; }
.btn.ghost { border-color: #3A3A3A; color: #fff; }
.btn.ghost:hover { border-color: #6A6A6A; }
.pill { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12.5px; color: #DADADA; border: 1px solid var(--ink-3); border-radius: 999px; padding: 4px 12px; }
.pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px rgba(31,157,85,.2); }

/* layout */
.layout { max-width: 1240px; margin: 0 auto; padding: 0 28px; display: grid; grid-template-columns: 228px minmax(0, 1fr); gap: 56px; }
.side { position: sticky; top: calc(var(--top) + 8px); align-self: start; max-height: calc(100vh - var(--top) - 16px); overflow: auto; padding: 32px 0 40px; }
.side h4 { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin: 22px 0 6px; }
.side h4:first-child { margin-top: 0; }
.side a { display: block; text-decoration: none; color: var(--muted); font-size: 14px; padding: 4px 0 4px 12px; border-left: 2px solid transparent; }
.side a:hover { color: var(--text); }
.side a.on { color: var(--text); border-left-color: var(--ruby); font-weight: 700; }
main { min-width: 0; padding: 40px 0 120px; }
section { padding: 34px 0 30px; border-bottom: 1px solid var(--line); }
section:last-child { border-bottom: 0; }
h2 { font-size: 30px; line-height: 1.15; margin: 0 0 14px; letter-spacing: -.005em; }
h3 { font-size: 19px; margin: 30px 0 8px; }
h3 code { font-size: 17px; }
p { margin: 0 0 14px; }
p, li { color: var(--text); }
.muted { color: var(--muted); }
ul, ol { padding-left: 20px; margin: 0 0 16px; }
li { margin-bottom: 6px; }
li::marker { color: var(--ruby); }
code { font-family: var(--mono); font-size: .88em; background: var(--inline-bg); padding: 1px 6px; border-radius: 4px; }
b, strong { font-weight: 700; }

/* tables */
.tw { overflow-x: auto; margin: 10px 0 20px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); font-weight: 700; padding: 8px 14px 8px 0; border-bottom: 2px solid var(--text); white-space: nowrap; }
td { padding: 10px 14px 10px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
td:first-child { white-space: nowrap; }
.req { color: var(--ruby); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.opt { color: var(--faint); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }

/* code blocks */
.code { background: var(--code-bg); border-radius: 10px; margin: 12px 0 22px; overflow: hidden; border: 1px solid #1F1F1F; }
.code .bar { display: flex; align-items: center; gap: 2px; padding: 6px 8px; border-bottom: 1px solid #222; background: #0B0B0B; }
.code .bar .t { color: #8C8C8C; font-size: 12px; font-family: var(--mono); padding: 4px 8px; }
.code .bar button { background: none; border: 0; color: #8C8C8C; font: 600 12.5px var(--sans); padding: 6px 10px; border-radius: 6px; cursor: pointer; }
.code .bar button:hover { color: #fff; }
.code .bar button.on { color: #fff; background: #1E1E1E; box-shadow: inset 0 -2px 0 var(--ruby); }
.code .bar .copy { margin-left: auto; }
.code .pane { display: none; }
.code .pane.on { display: block; }
pre { margin: 0; padding: 16px 18px; overflow-x: auto; color: var(--code-text); font: 13px/1.6 var(--mono); tab-size: 2; }
pre .k { color: #FF7AB0; } pre .s { color: #A5D6A7; } pre .n { color: #FFCC80; } pre .c { color: #7A7A7A; } pre .p { color: #90CAF9; }

/* callouts and cards */
.note { border-left: 3px solid var(--ruby); background: var(--bg-2); padding: 12px 16px; margin: 12px 0 20px; border-radius: 0 8px 8px 0; }
.note.warn { border-left-color: var(--warn); }
.note b:first-child { display: block; margin-bottom: 2px; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin: 14px 0 22px; }
.card { border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; background: var(--bg); }
.card h4 { margin: 0 0 6px; font-size: 15px; }
.card h4 code { font-size: 13px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.card .tag { display: inline-block; font-size: 10.5px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--ruby); margin-bottom: 8px; }
.steps { counter-reset: s; list-style: none; padding: 0; }
.steps li { counter-increment: s; position: relative; padding-left: 40px; margin-bottom: 14px; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 26px; height: 26px; border-radius: 50%; background: var(--ink); color: #fff; font-size: 13px; font-weight: 700; display: grid; place-items: center; }
:root[data-theme="dark"] .steps li::before { background: var(--ruby); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .steps li::before { background: var(--ruby); } }
.flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin: 16px 0 24px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.flow div { padding: 16px; border-right: 1px solid var(--line); }
.flow div:last-child { border-right: 0; }
.flow b { display: block; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--ruby); margin-bottom: 6px; }
.flow span { font-size: 14px; color: var(--muted); }
.badge { display: inline-block; font: 700 11px var(--mono); padding: 2px 7px; border-radius: 4px; background: var(--inline-bg); }
.badge.post { background: var(--ruby-soft); color: var(--ruby); }
.badge.get { background: rgba(31,157,85,.12); color: var(--ok); }

footer.foot { background: var(--ink); color: #8C8C8C; border-top: 3px solid var(--ruby); }
footer.foot .in { display: flex; align-items: center; gap: 24px; padding-top: 30px; padding-bottom: 30px; flex-wrap: wrap; }
footer.foot img { height: 36px; width: auto; }
footer.foot nav { display: flex; gap: 18px; margin-left: auto; font-size: 13.5px; }
footer.foot a { text-decoration: none; color: #BDBDBD; }
footer.foot a:hover { color: #fff; }
footer.foot .tagline { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; }

@media (max-width: 1000px) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .side { display: none; position: fixed; top: var(--top); left: 0; right: 0; bottom: 0; max-height: none; background: var(--bg); padding: 20px 28px; z-index: 15; }
  .side.open { display: block; }
  .menu { display: inline-block; margin-left: auto; }
  .topbar nav { display: none; }
  .grid { grid-template-columns: minmax(0, 1fr); }
  .flow { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .flow div:nth-child(2) { border-right: 0; }
  .flow div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}
@media (max-width: 640px) {
  .in, .layout { padding-left: 16px; padding-right: 16px; }
  .hero .in { padding-top: 48px; padding-bottom: 44px; }
  .hero .stats { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .topbar .prod { display: none; }
  .hero .emb { width: 300px; right: -120px; opacity: .12; }
  .hero .stats b { font-size: 21px; }
  .flow { grid-template-columns: minmax(0, 1fr); }
  .flow div { border-right: 0; border-bottom: 1px solid var(--line); }
  h2 { font-size: 25px; }
}