@font-face {
  font-family: "DM Sans";
  src: url("/fonts/dm-sans-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("/fonts/ibm-plex-mono-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Book Antiqua";
  src: local("Book Antiqua Italic"), local("BookAntiqua-Italic");
  font-style: italic;
  font-weight: 400;
  font-display: swap;
}

.oc-explainer {
  color-scheme: dark;
  --page: #0c0e10;
  --panel: #131619;
  --raised: #1a1e22;
  --text: #f4f5f4;
  --muted: #a1a8ae;
  --line: #2b3035;
  --coral: #ee806c;
  --green: #9fceb8;
  --amber: #e1b97c;
  --sans: "DM Sans", Arial, sans-serif;
  --mono: "IBM Plex Mono", monospace;
  --serif: "Book Antiqua", Palatino, Georgia, serif;
}

.oc-explainer, .oc-explainer * { box-sizing: border-box; }
.oc-explainer { scroll-padding-top: 28px; }
.oc-explainer { margin: 0; background: var(--page); color: var(--text); font: 400 16px/1.7 var(--sans); -webkit-font-smoothing: antialiased; }
.oc-explainer::selection, .oc-explainer ::selection { background: #ee806c55; color: var(--text); }
.oc-explainer a { color: inherit; text-decoration: underline; text-underline-offset: 4px; }
.oc-explainer a:hover { color: var(--coral); }
.oc-explainer a:focus-visible { outline: 2px solid var(--coral); outline-offset: 5px; border-radius: 2px; }
.oc-explainer p, .oc-explainer h1, .oc-explainer h2, .oc-explainer h3, .oc-explainer dl, .oc-explainer dd { margin: 0; }
.oc-explainer p + p { margin-top: 18px; }
.oc-explainer h1, .oc-explainer h2, .oc-explainer h3 { font-weight: 600; }
.oc-explainer h1 { font-size: clamp(42px, 6.7vw, 82px); letter-spacing: -.052em; line-height: 1.08; }
.oc-explainer h2 { font-size: clamp(30px, 3.9vw, 48px); letter-spacing: -.045em; line-height: 1.13; }
.oc-explainer h3 { font-size: 19px; letter-spacing: -.02em; line-height: 1.35; }
.oc-explainer em { font-family: var(--serif); font-weight: 400; color: var(--coral); }
.oc-explainer strong { font-weight: 600; }
.oc-explainer .wrap { width: min(1480px, calc(100% - 80px)); margin-inline: auto; }
.oc-explainer .mono, .oc-explainer .eyebrow { font-family: var(--mono); }
.oc-explainer .muted { color: var(--muted); }
.oc-explainer .accent { color: var(--coral); }
.oc-explainer .eyebrow { font-size: 11px; line-height: 1.6; letter-spacing: .09em; text-transform: uppercase; }
.oc-explainer .skip-link { position: absolute; z-index: 10; top: 8px; left: 12px; padding: 10px 16px; color: var(--page); background: var(--coral); transform: translateY(-150%); }
.oc-explainer .skip-link:focus { transform: translateY(0); color: var(--page); }
.oc-explainer .page-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 100px; border-bottom: 1px solid var(--line); }
.oc-explainer .brand { display: inline-flex; align-items: center; gap: 11px; color: var(--text); text-decoration: none; font-size: 21px; letter-spacing: -.04em; font-weight: 700; line-height: 1.25; }
.oc-explainer .brand img { width: 52px; height: 52px; flex: 0 0 52px; object-fit: contain; }
.oc-explainer .brand-by { display: block; margin-top: 3px; font: 400 9px/1.4 var(--mono); color: var(--muted); letter-spacing: .04em; }
.oc-explainer .back-link { display: inline-flex; align-items: center; gap: 10px; padding-block: 10px; color: var(--muted); font-size: 13px; text-decoration: none; }
.oc-explainer .back-link span { font-size: 20px; }
.oc-explainer .introduction { padding-block: 80px 54px; }
.oc-explainer .introduction h1 { margin-top: 23px; }
.oc-explainer .intro-copy { max-width: 655px; color: var(--muted); font-size: 19px; line-height: 1.65; margin-top: 24px; }
.oc-explainer .intro-status { display: inline-flex; align-items: center; gap: 10px; margin-top: 30px; font: 400 11px/1.8 var(--mono); color: var(--muted); }
.oc-explainer .status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); flex-shrink: 0; }
.oc-explainer .section-nav { display: flex; flex-wrap: wrap; gap: 6px 25px; padding-block: 20px; border-block: 1px solid var(--line); }
.oc-explainer .section-nav a { display: inline-flex; align-items: center; gap: 8px; padding-block: 5px; font-size: 12px; color: var(--muted); text-decoration: none; }
.oc-explainer .section-nav a:hover { color: var(--text); }
.oc-explainer .section-nav span { font: 400 10px var(--mono); color: var(--coral); }
.oc-explainer .section { padding-block: 76px 84px; }
.oc-explainer .section-tinted { background: var(--panel); border-block: 1px solid var(--line); }
.oc-explainer .section-label { display: flex; align-items: center; gap: 13px; margin-bottom: 30px; color: var(--muted); }
.oc-explainer .section-number { display: grid; place-items: center; width: 29px; height: 29px; border: 1px solid var(--line); border-radius: 50%; color: var(--coral); font: 400 10px var(--mono); }
.oc-explainer .split-layout { display: grid; grid-template-columns: .88fr 1.12fr; gap: 78px; align-items: start; }
.oc-explainer .section-copy { color: var(--muted); max-width: 66ch; }
.oc-explainer .section-copy > p:first-child { color: var(--text); }
.oc-explainer .note { margin-top: 27px; padding: 20px 23px; border: 1px solid var(--line); border-left: 2px solid var(--coral); border-radius: 0 9px 9px 0; background: var(--panel); }
.oc-explainer .note strong { display: block; margin-bottom: 8px; color: var(--text); font-size: 13px; }
.oc-explainer .note p { font-size: 14px; }
.oc-explainer .section-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 65px; margin-bottom: 34px; }
.oc-explainer .section-lede { color: var(--muted); max-width: 66ch; }
.oc-explainer .example-label { display: flex; gap: 15px; align-items: center; margin: 26px 0 15px; }
.oc-explainer .example-label p { color: var(--muted); font-size: 12px; }
.oc-explainer .badge { display: inline-block; width: fit-content; padding: 4px 8px; border: 1px solid var(--line); border-radius: 4px; font: 400 10px/1.5 var(--mono); white-space: nowrap; color: var(--muted); background: var(--raised); }
.oc-explainer .badge.live { color: var(--green); background: #1b2a23; border-color: #2b4639; }
.oc-explainer .badge.building, .oc-explainer .badge.foundation { color: var(--amber); background: #2b241a; border-color: #494031; }
.oc-explainer .badge.planned { color: #c1c8ce; background: #20252a; border-color: #384149; }
.oc-explainer .badge.manual { color: #d0b7af; background: #2c2322; border-color: #493837; }
.oc-explainer #codeflow { position: relative; isolation: isolate; overflow: hidden; overflow: clip; background: #15120f; border-color: #493627; }
.oc-explainer #codeflow > .wrap { position: relative; z-index: 1; }
.oc-explainer #codeflow .section-label { flex-wrap: wrap; }
.oc-explainer .woodgrain { position: absolute; inset: 0; pointer-events: none; opacity: .7; background: repeating-linear-gradient(90deg, transparent 0 34px, #a879492b 35px 36px, transparent 37px 41px, #89563226 42px, transparent 43px 103px), repeating-linear-gradient(90deg, transparent 0 86px, #b1845838 87px 88px, transparent 89px 95px, #82542f26 96px, transparent 97px 167px), repeating-radial-gradient(ellipse 115px 1100px at 6% 62%, transparent 0 24px, #b8855624 25px 26px, transparent 27px 37px), repeating-radial-gradient(ellipse 85px 900px at 95% 30%, transparent 0 29px, #a3744c1c 30px 31px, transparent 32px 46px); mask-image: linear-gradient(to bottom, transparent, #000 12%, #000 92%, transparent); }
.oc-explainer .code-rain { position: absolute; inset: 0; overflow: hidden; pointer-events: none; opacity: .48; mask-image: linear-gradient(to bottom, transparent, #000 14%, #000 92%, transparent); }
.oc-explainer .rain-stream { position: absolute; top: -100%; left: var(--rain-left); width: 66px; height: 200%; display: flex; flex-direction: column; color: #739587; font: 400 11px/1.4 var(--mono); text-align: center; transform: translateX(-50%); animation: oc-explainer-code-rain var(--rain-duration) linear var(--rain-delay) infinite; }
.oc-explainer .rain-cycle { display: flex; flex: 0 0 50%; flex-direction: column; justify-content: space-around; min-height: 0; }
.oc-explainer .rain-cycle span:nth-child(4n) { color: var(--green); }
.oc-explainer .rain-cycle span:nth-child(7n) { color: var(--coral); }
@keyframes oc-explainer-code-rain { from { transform: translate(-50%, 0); } to { transform: translate(-50%, 50%); } }
.oc-explainer .code-flow { position: relative; display: flex; flex-direction: column; align-items: center; width: 100%; min-width: 0; margin-top: 27px; }
.oc-explainer .code-art-caption { width: 100%; max-width: 720px; margin: 0 0 22px; color: #c8c3ba; font: italic 400 15px/1.7 var(--serif); letter-spacing: .015em; }
@media(min-width:1200px){.oc-explainer .code-art-caption { position: absolute; left: 0; top: 28px; width: min(220px, calc((100% - 720px)/2 - 28px)); margin: 0; }}
.oc-explainer .code-panel { width: 100%; max-width: 720px; min-width: 0; margin: 0; background: #100f0e; border: 1px solid #624736; border-radius: 12px; box-shadow: 0 12px 36px #08060433, inset 3px 0 #996c4526, inset -3px 0 #996c4526; overflow: hidden; }
.oc-explainer .code-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px 18px; padding: 13px 19px; border-bottom: 1px solid #493627; background: #1d1916; }
.oc-explainer .code-head-left { display: flex; align-items: center; gap: 14px; min-width: 0; }
.oc-explainer .code-dots { display: flex; gap: 6px; flex-shrink: 0; }
.oc-explainer .code-dots span { width: 7px; height: 7px; border-radius: 50%; background: var(--coral); opacity: .75; }
.oc-explainer .code-dots span:nth-child(2) { background: var(--amber); }
.oc-explainer .code-dots span:nth-child(3) { background: var(--green); }
.oc-explainer .code-file { font: 400 12px/1.5 var(--mono); color: var(--text); }
.oc-explainer .code-step-tag { font: 400 9px/1.6 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.oc-explainer .code-body { display: block; max-width: 100%; margin: 0; padding: 22px 25px; overflow-x: auto; overscroll-behavior-x: contain; white-space: pre; font: 400 12.5px/1.8 var(--mono); color: var(--text); scrollbar-color: #50575e var(--page); }
.oc-explainer .code-body code { font: inherit; }
.oc-explainer .code-body:focus-visible { outline: 2px solid var(--coral); outline-offset: -3px; }
.oc-explainer .tok-key { color: var(--coral); }
.oc-explainer .tok-str { color: var(--green); }
.oc-explainer .tok-num, .oc-explainer .tok-literal { color: var(--amber); }
.oc-explainer .tok-comment { color: var(--muted); }
.oc-explainer .code-connector { padding: 8px 0; color: var(--coral); font: 400 23px/1 var(--mono); }
.oc-explainer .code-footnote { max-width: 720px; margin-top: 22px; font-size: 12px; color: var(--muted); }
.oc-explainer .workflow-layout { grid-template-columns: .85fr 1.15fr; gap: 75px; }
.oc-explainer .workflow-layout .section-lede { margin-top: 23px; font-size: 15px; }
.oc-explainer .small-note { margin-top: 31px; max-width: 365px; padding-top: 22px; border-top: 1px solid var(--line); }
.oc-explainer .small-note strong { font-size: 12px; color: var(--green); }
.oc-explainer .small-note p { font-size: 13px; color: var(--muted); margin-top: 9px; }
.oc-explainer .workflow { list-style: none; padding: 0; margin: 0; }
.oc-explainer .workflow li { position: relative; display: grid; grid-template-columns: 34px 1fr; gap: 20px; padding-bottom: 33px; }
.oc-explainer .workflow li:not(:last-child)::before { content: ""; position: absolute; width: 1px; background: var(--line); left: 16px; top: 35px; bottom: 2px; }
.oc-explainer .workflow li:last-child { padding-bottom: 0; }
.oc-explainer .step-number { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line); font: 400 10px var(--mono); color: var(--coral); }
.oc-explainer .step-heading { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin: 4px 0 11px; }
.oc-explainer .step-heading h3 { font-size: 17px; }
.oc-explainer .workflow p { font-size: 14px; color: var(--muted); }
.oc-explainer .workflow-footnote { border-top: 1px solid var(--line); padding-top: 23px; margin-top: 42px; color: var(--muted); font-size: 13px; }
.oc-explainer .principles-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.oc-explainer .principle { border: 1px solid var(--line); border-radius: 12px; background: var(--page); padding: 27px 28px; }
.oc-explainer .rule-number { display: block; color: var(--coral); font: 400 10px/1.6 var(--mono); text-transform: uppercase; letter-spacing: .03em; margin-bottom: 20px; }
.oc-explainer .principle p { color: var(--muted); font-size: 14px; margin-top: 13px; }
.oc-explainer .principle .principle-detail { font-size: 12px; }
.oc-explainer .principle a { color: var(--text); }
.oc-explainer .rigor-note { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 28px; border-top: 1px solid var(--line); margin-top: 30px; padding-top: 25px; font-size: 14px; }
.oc-explainer .rigor-note p { color: var(--muted); }
.oc-explainer .source-links { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 22px; margin-top: 25px; font-size: 11px; }
.oc-explainer .source-links > span { font-size: 10px; }
.oc-explainer .source-links a { text-decoration: none; border-bottom: 1px solid #50575e; padding-block: 4px; }
.oc-explainer .source-links a span { color: var(--coral); }
.oc-explainer .runtime-list { border-top: 1px solid var(--line); }
.oc-explainer .runtime-row { display: grid; grid-template-columns: 320px 1fr; gap: 65px; padding-block: 25px; border-bottom: 1px solid var(--line); }
.oc-explainer .runtime-row dt { font-size: 15px; font-weight: 600; }
.oc-explainer .runtime-row .badge { display: block; margin-top: 10px; }
.oc-explainer .runtime-row dd { color: var(--muted); font-size: 14px; max-width: 80ch; }
.oc-explainer .runtime-note { max-width: 820px; color: var(--muted); font-size: 12px; margin-top: 25px; }
.oc-explainer .commitment-section { border-block: 1px solid var(--line); background: radial-gradient(ellipse at 14% 50%, #ee806c09, transparent 58%), var(--panel); }
.oc-explainer .commitment-grid { display: grid; grid-template-columns: .65fr 1.35fr; gap: 80px; align-items: center; }
.oc-explainer .zero-block { padding-bottom: 30px; }
.oc-explainer .zero { display: block; color: var(--coral); font: 400 clamp(150px, 20vw, 245px)/1.06 var(--mono); font-feature-settings: "zero" 1; letter-spacing: -.08em; }
.oc-explainer .zero-block p { font: 400 12px/1.8 var(--mono); color: var(--muted); margin-top: 16px; }
.oc-explainer .commitment-copy h2 { margin-bottom: 27px; }
.oc-explainer .commitment-copy p { color: var(--muted); font-size: 15px; max-width: 70ch; }
.oc-explainer .commitment-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px 25px; margin-top: 30px; }
.oc-explainer .button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 46px; background: var(--coral); color: #17110e; padding: 12px 18px; border: 1px solid var(--coral); border-radius: 7px; text-decoration: none; font: 600 13px/1.5 var(--sans); cursor: pointer; }
.oc-explainer .button:hover { background: #f29483; color: #17110e; }
.oc-explainer .button span { font-size: 20px; line-height: 1; }
.oc-explainer .text-link { color: var(--muted); font-size: 12px; text-decoration: none; padding-block: 8px; }
.oc-explainer .page-footer { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; padding-block: 30px; }
.oc-explainer .fronterra { color: #fff; font: 700 13px Georgia, serif; letter-spacing: .2em; text-decoration: none; }
.oc-explainer .page-footer p, .oc-explainer .page-footer > a:last-child { font: 400 10px/1.7 var(--mono); color: var(--muted); text-decoration: none; }
.oc-explainer .page-footer a:hover { color: var(--coral); }

@media (max-width: 1000px) {
  .oc-explainer .split-layout, .oc-explainer .workflow-layout { gap: 40px; }
  .oc-explainer .section-heading { gap: 35px; }
  .oc-explainer .runtime-row { grid-template-columns: 260px 1fr; gap: 35px; }
  .oc-explainer .commitment-grid { gap: 40px; }
  .oc-explainer .section-nav { gap: 5px 20px; }
}

@media (max-width: 720px) {
  .oc-explainer .wrap { width: calc(100% - 40px); }
  .oc-explainer .page-header { min-height: 83px; }
  .oc-explainer .brand { font-size: 19px; }
  .oc-explainer .back-link { font-size: 12px; gap: 6px; }
  .oc-explainer .brand img { width: 44px; height: 44px; flex-basis: 44px; }
  .oc-explainer .introduction { padding-block: 49px 37px; }
  .oc-explainer .introduction > .eyebrow { max-width: 280px; font-size: 10px; }
  .oc-explainer .introduction h1 { max-width: 470px; }
  .oc-explainer .intro-copy { font-size: 17px; }
  .oc-explainer .intro-status { align-items: flex-start; font-size: 10px; }
  .oc-explainer .intro-status .status-dot { margin-top: 7px; }
  .oc-explainer .section-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 7px 18px; padding-block: 15px; }
  .oc-explainer .section { padding-block: 49px 54px; }
  .oc-explainer .section-label { margin-bottom: 24px; }
  .oc-explainer .split-layout, .oc-explainer .section-heading, .oc-explainer .workflow-layout, .oc-explainer .commitment-grid { grid-template-columns: 1fr; gap: 25px; }
  .oc-explainer .section-copy, .oc-explainer .section-lede { font-size: 15px; }
  .oc-explainer .example-label { align-items: flex-start; flex-direction: column; gap: 10px; }
  .oc-explainer .code-rain .rain-stream:nth-child(n+3):nth-child(-n+6) { display: none; }
  .oc-explainer .code-rain .rain-stream:nth-child(1) { left: 3%; }
  .oc-explainer .code-rain .rain-stream:nth-child(2) { left: 33%; }
  .oc-explainer .code-rain .rain-stream:nth-child(7) { left: 67%; }
  .oc-explainer .code-rain .rain-stream:nth-child(8) { left: 97%; }
  .oc-explainer .rain-stream { font-size: 10px; }
  .oc-explainer .code-head { padding: 11px 15px; gap: 7px 12px; }
  .oc-explainer .code-head-left { gap: 10px; }
  .oc-explainer .code-file { font-size: 11px; }
  .oc-explainer .code-body { font-size: 11.5px; padding: 17px 18px; }
  .oc-explainer .code-connector { padding-block: 7px; }
  .oc-explainer .principles-grid { grid-template-columns: 1fr; gap: 15px; }
  .oc-explainer .principle { padding: 24px 21px; }
  .oc-explainer .small-note { max-width: none; margin-top: 22px; }
  .oc-explainer .workflow { margin-top: 8px; }
  .oc-explainer .workflow li { gap: 15px; }
  .oc-explainer .workflow-footnote { margin-top: 29px; }
  .oc-explainer .rigor-note { grid-template-columns: 1fr; gap: 10px; }
  .oc-explainer .runtime-row { grid-template-columns: 1fr; gap: 14px; padding-block: 23px; }
  .oc-explainer .runtime-row dt { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; }
  .oc-explainer .runtime-row .badge { margin-top: 0; }
  .oc-explainer .zero-block { display: flex; align-items: center; gap: 30px; padding-bottom: 0; }
  .oc-explainer .zero { font-size: 136px; }
  .oc-explainer .zero-block p { margin-top: 0; }
  .oc-explainer .commitment-grid { gap: 30px; }
  .oc-explainer .commitment-copy h2 { margin-bottom: 23px; }
  .oc-explainer .page-footer { gap: 19px; padding-block: 25px; }
  .oc-explainer .page-footer p { order: 3; flex-basis: 100%; }
}

@media (max-width: 360px) {
  .oc-explainer .wrap { width: calc(100% - 32px); }
  .oc-explainer .back-link { gap: 5px; font-size: 11px; }
  .oc-explainer .brand { gap: 7px; font-size: 18px; }
}

@media (prefers-reduced-motion: no-preference) {
  .oc-explainer { scroll-behavior: smooth; }
  .oc-explainer a { transition: color .15s ease, background .15s ease; }
}

@media (prefers-reduced-motion: reduce) {
  .oc-explainer .code-rain .rain-stream { animation: none; transform: translate(-50%, 25%); }
}