:root{--ob-graphite: #1C1F1E;--ob-verdigris: #1F6F63;--ob-verdigris-deep: #175A50;--ob-verdigris-light: #5FB3A4;--ob-copper: #8C4A25;--ob-copper-light: #D98A55;--ob-chalk: #EFEFEC;--ob-bg: #EFEFEC;--ob-surface: #FFFFFF;--ob-surface-sunken: #E7E7E3;--ob-hairline: #D5D5D0;--ob-hairline-soft: #E0E0DB;--ob-text: #1C1F1E;--ob-text-secondary: #404644;--ob-text-muted: #5A605E;--ob-accent: #1F6F63;--ob-accent-text: #175A50;--ob-accent-on: #FFFFFF;--ob-danger: #8C4A25;--ob-focus: #1F6F63;--ob-state-sealed: var(--ob-accent);--ob-state-broken: var(--ob-danger);--ob-state-pending: var(--ob-text-muted);--ob-font-display: "IBM Plex Sans Condensed", "Arial Narrow", sans-serif;--ob-font-text: "IBM Plex Sans", system-ui, sans-serif;--ob-font-mono: "IBM Plex Mono", ui-monospace, monospace;--ob-weight-regular: 400;--ob-weight-medium: 500;--ob-weight-semibold: 600;--ob-weight-bold: 700;--ob-size-3xl: 56px;--ob-lh-3xl: 1.02;--ob-size-2xl: 40px;--ob-lh-2xl: 1.06;--ob-size-xl: 30px;--ob-lh-xl: 1.12;--ob-size-lg: 22px;--ob-lh-lg: 1.2;--ob-size-md: 16px;--ob-lh-md: 1.55;--ob-size-sm: 14px;--ob-lh-sm: 1.5;--ob-size-xs: 12px;--ob-lh-xs: 1.45;--ob-size-2xs: 10px;--ob-lh-2xs: 1.4;--ob-tracking-display: -.005em;--ob-tracking-logotype: .02em;--ob-tracking-eyebrow: .19em;--ob-tracking-mono: 0;--ob-space-1: 4px;--ob-space-2: 8px;--ob-space-3: 12px;--ob-space-4: 16px;--ob-space-5: 24px;--ob-space-6: 32px;--ob-space-7: 48px;--ob-space-8: 64px;--ob-space-9: 96px;--ob-gutter: var(--ob-space-6);--ob-measure: 68ch;--ob-radius-none: 0;--ob-radius-sm: 1px;--ob-radius-max: 2px;--ob-border: 1px;--ob-border-strong: 2px;--ob-rule-seal: 2px solid var(--ob-graphite);--ob-icon-stroke: 1.75px;--ob-icon-grid: 24px;--ob-shadow-none: none;--ob-shadow-1: 0 1px 0 var(--ob-hairline);--ob-shadow-2: 0 2px 8px rgb(28 31 30 / .1);--ob-duration-fast: 90ms;--ob-duration: .16s;--ob-easing: cubic-bezier(.2, 0, .2, 1)}:root[data-theme=dark],.ob-dark{--ob-bg: #121413;--ob-surface: #1A1D1C;--ob-surface-sunken: #0C0E0D;--ob-hairline: #2C302E;--ob-hairline-soft: #232726;--ob-text: #DCDEDC;--ob-text-secondary: #9AA09E;--ob-text-muted: #7A8180;--ob-accent: #5FB3A4;--ob-accent-text: #5FB3A4;--ob-accent-on: #1C1F1E;--ob-danger: #D98A55;--ob-focus: #5FB3A4;--ob-shadow-1: 0 1px 0 var(--ob-hairline);--ob-shadow-2: 0 2px 8px rgb(0 0 0 / .4)}.ob-eyebrow{font-family:var(--ob-font-mono);font-size:var(--ob-size-2xs);letter-spacing:var(--ob-tracking-eyebrow);text-transform:uppercase;color:var(--ob-accent-text)}.ob-hash{font-family:var(--ob-font-mono);font-size:var(--ob-size-sm);font-variant-ligatures:none;word-break:break-all;color:var(--ob-text)}.ob-title{font-family:var(--ob-font-display);font-weight:var(--ob-weight-bold);letter-spacing:var(--ob-tracking-display);color:var(--ob-text)}:where(a){color:var(--ob-accent-text);text-underline-offset:2px}:where(a):hover{color:var(--ob-text)}:where(:focus-visible){outline:2px solid var(--ob-focus);outline-offset:2px}*{box-sizing:border-box;margin:0}body{background:var(--ob-bg);color:var(--ob-text);font-family:var(--ob-font-text);font-size:var(--ob-size-md);line-height:var(--ob-lh-md);-webkit-font-smoothing:antialiased}a{color:inherit}html{scroll-behavior:smooth}@media(min-width:621px)and (pointer:fine){html{scroll-snap-type:y proximity}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto;scroll-snap-type:none}}.page-shell{display:flex;flex-direction:column;min-height:100vh}.page-shell .nav nav{flex-wrap:nowrap}.wrap{max-width:1232px;margin:0 auto;padding-inline:var(--ob-space-6)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.nav{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;row-gap:var(--ob-space-3);max-width:1232px;width:100%;margin:0 auto;padding:var(--ob-space-4) var(--ob-space-6)}.brand{display:flex;align-items:center;gap:var(--ob-space-3);text-decoration:none}.brand-word{display:flex;flex-direction:column}.brand-name{font-family:var(--ob-font-display);font-weight:var(--ob-weight-bold);font-size:21px;letter-spacing:var(--ob-tracking-logotype);line-height:1}.brand-base{font-family:var(--ob-font-mono);font-size:8px;letter-spacing:var(--ob-tracking-eyebrow);text-transform:uppercase;color:var(--ob-text-muted);margin-top:3px}.nav nav{display:flex;gap:var(--ob-space-5);align-items:center;flex-wrap:wrap;row-gap:var(--ob-space-3)}.nav nav a{text-decoration:none;color:var(--ob-text-secondary);font-size:var(--ob-size-sm);font-weight:var(--ob-weight-medium)}.nav nav a:hover{color:var(--ob-text)}.nav nav a.gh{display:inline-flex;align-items:center;justify-content:center;color:var(--ob-text-secondary)}.nav nav a.gh:hover{color:var(--ob-text)}.nav nav a.nav-cta{color:#fff;background:var(--ob-verdigris);border:var(--ob-border) solid var(--ob-verdigris);padding:6px 14px;border-radius:var(--ob-radius-sm);font-weight:var(--ob-weight-semibold)}.nav nav a.nav-cta:hover{background:var(--ob-verdigris-deep);border-color:var(--ob-verdigris-deep);color:#fff}.lang-pick select{font-family:var(--ob-font-mono);font-size:11px;color:var(--ob-text-secondary);background:transparent;border:var(--ob-border) solid var(--ob-hairline);border-radius:var(--ob-radius-sm);padding:5px 8px;cursor:pointer;max-width:8.5rem}.btn{display:inline-block;text-decoration:none;cursor:pointer;font-family:var(--ob-font-text);font-weight:var(--ob-weight-semibold);font-size:var(--ob-size-sm);padding:11px 22px;border-radius:var(--ob-radius-sm);border:var(--ob-border) solid var(--ob-hairline);color:var(--ob-text);background:transparent;transition:border-color var(--ob-duration) var(--ob-easing),background var(--ob-duration) var(--ob-easing)}.btn:hover{border-color:var(--ob-text)}.btn.primary{background:var(--ob-verdigris);border-color:var(--ob-verdigris);color:#fff}.btn.primary:hover{background:var(--ob-verdigris-deep);border-color:var(--ob-verdigris-deep)}.btn.dark-btn{border-color:var(--ob-graphite)}.btn.gh-btn{display:inline-flex;align-items:center;justify-content:center;padding-inline:18px}.btn:disabled{opacity:.6;cursor:progress}footer{background:var(--ob-chalk);border-top:var(--ob-border) solid var(--ob-hairline)}.foot-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--ob-space-4);padding-block:var(--ob-space-6);font-size:13px;color:var(--ob-text-muted)}.foot-brand{display:flex;align-items:center;gap:var(--ob-space-3)}.foot-brand svg{color:var(--ob-text)}.foot-brand strong{font-family:var(--ob-font-display);letter-spacing:var(--ob-tracking-logotype);color:var(--ob-text)}footer nav{display:flex;gap:var(--ob-space-5)}.foot-legal{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--ob-space-3);border-top:var(--ob-border) solid var(--ob-hairline);padding-block:var(--ob-space-4);font-size:12px;color:var(--ob-text-muted)}.foot-legal nav{gap:var(--ob-space-5)}footer a{color:var(--ob-text-muted);text-decoration:none}footer a:hover{color:var(--ob-text)}footer nav a.gh-mark{display:inline-flex;align-items:center}@media(max-width:620px){.nav nav{gap:var(--ob-space-3)}.nav nav a[href^="#"]:not(.nav-cta){display:none}}