/* IBM Plex Mono and Source Sans 3, latin subset, both SIL Open Font License 1.1 */
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("/fonts/ibm-plex-mono-400.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.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 600; font-display: swap; src: url("/fonts/ibm-plex-mono-600.woff2") format("woff2"); }
@font-face { font-family: "Source Sans 3"; font-style: normal; font-weight: 400 700; font-display: swap; src: url("/fonts/source-sans-3-variable.woff2") format("woff2"); }

/* Layout: one 68rem column; sections are a mono label rail on the left and content on the right, collapsing to one column on phones. */
:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --fg: #15171c;
  --muted: #586172;
  --line: #dce0e6;
  --accent: #0a679f;
  --accent-ink: #ffffff;
  --code: #eceff3;
  --font-body: "Source Sans 3", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, "Liberation Mono", monospace;
  --page: 68rem;
  --rail: 11rem;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1d21; --surface: #24262b; --fg: #e8e9ed; --muted: #a3abba; --line: #34363d;
    --accent: #62c4ff; --accent-ink: #0d1620; --code: #2b2d33;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
img { max-width: 100%; }
[hidden] { display: none !important; }
body > main { flex: 1 0 auto; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
}
a { color: var(--accent); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
h1, h2, h3 { text-wrap: balance; margin: 0; }
p { margin: 0; }
code, .mono { font-family: var(--font-mono); }
p code, span code { font-size: 0.9em; }

.wrap {
  max-width: var(--page);
  margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

/* Header */
header.site { border-bottom: 1px solid var(--line); background: var(--bg); }
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; padding-block: 14px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--fg); text-decoration: none;
  font-family: var(--font-mono); font-weight: 600; font-size: 1.125rem;
}
.logo {
  width: 28px; height: 28px; flex: none;
  background: var(--fg);
  -webkit-mask: url("/logo-mask.png") center / contain no-repeat;
  mask: url("/logo-mask.png") center / contain no-repeat;
}
nav.main ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 20px; }
nav.main a {
  font-family: var(--font-mono); font-size: 0.875rem; color: var(--muted); text-decoration: none;
}
nav.main a:hover, nav.main a[aria-current="page"] { color: var(--fg); }
nav.main a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 0.4em; }

/* Hero */
.hero .wrap { padding-block: 56px 40px; display: grid; gap: 20px; }
.eyebrow {
  font-family: var(--font-mono); font-size: 0.8125rem; color: var(--muted);
  letter-spacing: 0.04em;
}
.eyebrow .prompt { color: var(--accent); }
.eyebrow { overflow-wrap: anywhere; }
.hero h1 {
  font-family: var(--font-mono); font-weight: 600;
  font-size: clamp(1.75rem, 1.1rem + 2.6vw, 2.75rem);
  line-height: 1.15; letter-spacing: -0.02em; max-width: 22ch;
}
.lede { font-size: 1.1875rem; color: var(--muted); max-width: 60ch; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 4px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.9375rem; font-weight: 500;
  padding: 10px 18px; border-radius: 4px; text-decoration: none; cursor: pointer;
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink);
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--fg); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--muted); filter: none; }
.facts {
  display: flex; flex-wrap: wrap; gap: 6px 0; margin: 12px 0 0; padding: 0; list-style: none;
  font-family: var(--font-mono); font-size: 0.8125rem; color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.facts li { display: flex; align-items: center; }
.facts li + li::before { content: "·"; padding: 0 10px; color: var(--line); }
.facts a { color: inherit; }

/* Sections */
section.block { border-top: 1px solid var(--line); }
section.block > .wrap {
  display: grid; grid-template-columns: var(--rail) minmax(0, 1fr);
  gap: 16px 40px; padding-block: 48px;
}
.label {
  font-family: var(--font-mono); font-size: 0.8125rem; font-weight: 500;
  color: var(--muted); text-transform: lowercase; letter-spacing: 0.02em;
  padding-top: 6px;
}
.label::before { content: "/"; color: var(--accent); }
.body { display: grid; gap: 20px; min-width: 0; }
.body > h2 { font-family: var(--font-mono); font-weight: 600; font-size: 1.5rem; letter-spacing: -0.01em; }
.heading-link { color: inherit; text-decoration: none; }
.heading-link::after { content: " →"; color: var(--accent); }
.heading-link:hover { text-decoration: underline; text-decoration-color: var(--accent); }
.body > p { max-width: 65ch; }
.muted { color: var(--muted); }

/* What we provide */
.offer { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); }
.offer > div { padding: 20px; display: grid; gap: 6px; align-content: start; }
.offer > div + div { border-left: 1px solid var(--line); }
.offer h3 { font-family: var(--font-mono); font-size: 1rem; font-weight: 600; }
.offer p { font-size: 0.975rem; color: var(--muted); }

/* Projects */
.groups { display: grid; gap: 32px; }
.group { display: grid; gap: 12px; }
.group h3 {
  font-family: var(--font-mono); font-size: 0.75rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted);
}
.plist { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; }
.plist li { padding: 14px 0; border-top: 1px solid var(--line); display: grid; gap: 4px; align-content: start; }
.plist .head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; }
.plist .name { font-weight: 700; font-size: 1.0625rem; }
.plist .dom { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--muted); }
.plist p { color: var(--muted); font-size: 0.975rem; }

/* Apply */
.steps { margin: 0; padding: 0; list-style: none; display: grid; gap: 14px; counter-reset: step; max-width: 65ch; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 2rem minmax(0, 1fr); gap: 12px; }
.steps li::before {
  content: counter(step); font-family: var(--font-mono); font-weight: 600; color: var(--accent);
  border: 1px solid var(--line); border-radius: 4px; height: 2rem; display: grid; place-items: center;
  font-size: 0.875rem; background: var(--surface);
}
.steps strong { display: block; }
.template {
  background: var(--surface); border: 1px solid var(--line); border-radius: 6px; overflow: hidden;
  max-width: 44rem;
}
.template .bar {
  display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 10px 14px; border-bottom: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 0.8125rem; color: var(--muted);
}
.template pre {
  margin: 0; padding: 14px; overflow-x: auto; font-family: var(--font-mono); font-size: 0.8125rem;
  line-height: 1.7; color: var(--fg); white-space: pre;
}
.mini {
  font-family: var(--font-mono); font-size: 0.75rem; padding: 4px 10px; border-radius: 4px;
  border: 1px solid var(--line); background: transparent; color: var(--fg); cursor: pointer;
}
.mini:hover { border-color: var(--muted); }
.addr { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 0.975rem; color: var(--muted); }
.addr code { color: var(--fg); user-select: all; }

/* Network */
.links { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 24px; font-family: var(--font-mono); font-size: 0.875rem; }

/* Sponsors */
.sponsors { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.sponsors li { display: grid; gap: 2px; padding: 16px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); }
.sponsors a { font-weight: 700; }
.sponsors span { color: var(--muted); font-size: 0.9375rem; }

/* FAQ */
.faq { display: grid; gap: 0; max-width: 65ch; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; padding: 14px 0; font-weight: 600;
  display: flex; justify-content: space-between; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); color: var(--muted); }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 0 16px; color: var(--muted); }

/* Tools view */
.tool-list { display: grid; gap: 0; }
.tool { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; padding: 22px 0; border-top: 1px solid var(--line); }
.tool:last-child { border-bottom: 1px solid var(--line); }
.tool h3 { font-family: var(--font-mono); font-size: 1.125rem; font-weight: 600; }
.tool p { color: var(--muted); max-width: 65ch; }
.cmd {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--code); border-radius: 4px; padding: 8px 8px 8px 14px; max-width: 34rem; min-width: 0;
}
.cmd code { font-size: 0.875rem; overflow-x: auto; white-space: nowrap; }
.cmd code::before { content: "$ "; color: var(--muted); }
.variants { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 4px 16px; }

/* Footer */
footer.site { border-top: 1px solid var(--line); }
footer.site .wrap {
  padding-block: 28px 40px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px;
  font-size: 0.9375rem; color: var(--muted);
}
footer.site ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 20px; font-family: var(--font-mono); font-size: 0.875rem; }

@media (max-width: 760px) {
  section.block > .wrap { grid-template-columns: minmax(0, 1fr); padding-block: 36px; }
  .label { padding-top: 0; }
  .offer { grid-template-columns: minmax(0, 1fr); }
  .offer > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .plist { grid-template-columns: minmax(0, 1fr); }
  .sponsors { grid-template-columns: minmax(0, 1fr); }
  .hero .wrap { padding-block: 36px 28px; }
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}