:root{--bg:#050308;--bg-soft:#0a0712;--bg-soft-2:#0f0a1c;--fg:#ece6ff;--fg-mute:#b6acd6;--fg-soft:#6c6688;--line:#ffffff14;--line-strong:#ffffff2e;--accent:#b08cff;--accent-2:#67e8f9;--accent-warm:#ffae5b;--kale:#a3e635;--pill-bg:#ffffff0f;--pill-bg-strong:#ffffff1f;--max:84rem;--pad:clamp(1.25rem, 1rem + 1vw, 2.5rem);--radius:14px;--radius-lg:22px;--shadow:0 20px 60px #00000073;--serif:"Newsreader", Georgia, serif;--mono:"IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--sans:"IBM Plex Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0}html{background:var(--bg);color:var(--fg)}body{font-family:var(--sans);font-feature-settings:"ss01" on, "ss02" on, "cv11" on;background:radial-gradient(circle at 20% -10%, #1a0a2e 0%, transparent 55%) var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;min-height:100vh;line-height:1.55;overflow-x:hidden}img{max-width:100%;display:block}a{color:inherit}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0}::selection{background:var(--accent);color:var(--bg)}.visually-hidden{clip:rect(1px, 1px, 1px, 1px);white-space:nowrap;width:1px;height:1px;overflow:hidden;position:absolute!important}.skip-link{z-index:100;background:var(--accent);color:var(--bg);border-radius:8px;padding:.5rem .85rem;font-weight:600;transition:transform .15s ease-out;position:fixed;inset-block-start:.5rem;inset-inline-start:.5rem;transform:translateY(-200%)}.skip-link:focus{transform:translateY(0)}.section{padding-block:clamp(3rem,6vw + 1rem,7rem);padding-inline:var(--pad)}.section__head{max-width:56rem;margin:0 auto clamp(2rem,4vw,3.5rem)}.section__eyebrow{font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--fg-mute);margin:0 0 .75rem;font-size:.75rem}.section__h{font-family:var(--serif);letter-spacing:-.01em;margin:0 0 1.25rem;font-size:clamp(2rem,4vw + .5rem,3.6rem);font-weight:600;line-height:1.05}.section__sub{color:var(--fg-mute);margin:0;font-size:clamp(1rem,.4vw + .95rem,1.15rem)}.page{max-width:var(--max);margin:0 auto}.hero{isolation:isolate;flex-direction:column;width:100vw;min-height:100svh;margin-inline:calc(50% - 50vw);padding-block:0 clamp(2rem,6vw,5rem);padding-inline:0;display:flex;position:relative;overflow:hidden}.hero__inner{z-index:2;width:100%;max-width:var(--max);padding-inline:var(--pad);flex-direction:column;flex:1;margin:0 auto;padding-block-end:clamp(2rem,6vw,5rem);display:flex;position:relative}.hero__canvas{z-index:0;width:100%;height:100%;position:absolute;inset:0}.hero__veil{background: radial-gradient(ellipse at 18% 60%, #050308b3 0%, #05030800 55%),  linear-gradient(180deg, #05030800 60%, var(--bg) 100%);z-index:1;pointer-events:none;position:absolute;inset:0}.hero__nav{justify-content:space-between;align-items:center;gap:1rem;padding-block:.75rem;display:flex}.hero__brand{font-family:var(--mono);letter-spacing:.04em;font-size:.95rem;font-weight:600;text-decoration:none}.hero__nav ul{font-family:var(--mono);gap:clamp(1rem,2vw,2rem);margin:0;padding:0;font-size:.85rem;list-style:none;display:flex}.hero__nav a{color:var(--fg-mute);text-decoration:none;transition:color .15s ease-out}.hero__nav a:hover,.hero__nav a:focus-visible{color:var(--fg)}.hero__copy{flex-direction:column;gap:clamp(1.25rem,2vw,2rem);max-width:min(52rem,100%);margin-block-start:auto;display:flex}.hero__eyebrow{font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--fg-mute);margin:0;font-size:.78rem}.hero__title{font-family:var(--serif);letter-spacing:0;text-wrap:balance;overflow-wrap:break-word;max-width:min(100%,18.5ch);margin:0;padding-block-start:.06em;font-size:clamp(2.2rem,4.25vw + .35rem,4.65rem);font-weight:500;line-height:1.045}.hero__title--accent{color:var(--accent);font-style:italic;font-weight:700}.hero__title--frontier{color:#a990ff}.hero__title--surfaces{color:#67dff5}.hero__sub{color:var(--fg-mute);max-width:56ch;margin:0;font-size:clamp(1.05rem,.6vw + 1rem,1.4rem)}@media (width>=48rem) and (height<=34rem){.hero__inner{padding-block-end:clamp(1rem,3vw,2rem)}.hero__copy{gap:clamp(.8rem,1.5vw,1.15rem);max-width:min(64rem,100%)}.hero__title{max-width:min(100%,27ch);padding-block-start:.06em;font-size:clamp(2rem,3.2vw + .35rem,3.65rem);line-height:1.02}.hero__sub{max-width:68ch;font-size:clamp(.98rem,.45vw + .9rem,1.12rem)}.hero__stats{display:none}}.hero__cta{flex-wrap:wrap;gap:.85rem;display:flex}.btn{font-family:var(--mono);letter-spacing:.03em;border:1px solid var(--line-strong);border-radius:999px;justify-content:center;align-items:center;padding:.85rem 1.4rem;font-size:.86rem;font-weight:500;text-decoration:none;transition:transform .15s ease-out,background .15s ease-out,color .15s ease-out,border .15s ease-out;display:inline-flex}.btn--primary{background:var(--fg);color:var(--bg);border-color:var(--fg)}.btn--primary:hover,.btn--primary:focus-visible{background:var(--accent);color:var(--bg);border-color:var(--accent);transform:translateY(-1px)}.btn--ghost{background:#ffffff0a}.btn--ghost:hover,.btn--ghost:focus-visible{border-color:var(--line-strong);background:#ffffff1a;transform:translateY(-1px)}.hero__stats{border-block-start:1px solid var(--line);grid-template-columns:repeat(auto-fit,minmax(8rem,1fr));gap:1.25rem 2rem;margin:0;padding-block-start:.5rem;display:grid}.hero__stats>div{flex-direction:column;gap:.2rem;padding-block-start:1rem;display:flex}.hero__stats dt{font-family:var(--serif);letter-spacing:-.01em;font-size:clamp(1.6rem,1.4vw + 1rem,2.4rem);font-weight:600}.hero__stats dd{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--fg-mute);margin:0;font-size:.78rem}.roles{border-block:1px solid var(--line);padding-block:clamp(2rem,3vw,3.5rem)}.roles__list{grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1.25rem;margin:0;padding:0;list-style:none;display:grid}.roles__item{border-block-start:1px solid var(--line);flex-direction:column;gap:.4rem;padding-block-start:.5rem;display:flex}.roles__period{font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-size:.72rem}.roles__item strong{font-family:var(--serif);letter-spacing:-.005em;font-size:1.2rem;font-weight:600}.roles__note{color:var(--fg-mute);font-size:.92rem}.featured__grid{counter-reset:case;grid-template-columns:1fr;gap:clamp(1.5rem,2vw,2.5rem);margin:0;padding:0;list-style:none;display:grid}@media (width>=60rem){.featured__grid{grid-template-columns:1fr 1fr}}.case{border-radius:var(--radius-lg);background:var(--bg-soft);border:1px solid var(--line);isolation:isolate;box-shadow:var(--shadow);cursor:pointer;grid-template-rows:18rem auto;transition:transform .25s ease-out,border-color .25s ease-out;display:grid;position:relative;overflow:hidden}.case:hover,.case:focus-within{border-color:var(--line-strong);transform:translateY(-2px)}.case a{cursor:pointer}.case__visual{background:radial-gradient(ellipse at 25% 30%, var(--case-a,#7a4dff) 0%, transparent 55%), radial-gradient(ellipse at 75% 75%, var(--case-b,#22d3ee) 0%, transparent 55%), var(--case-bg,var(--bg-soft));position:relative;overflow:hidden}.case__canvas{background:0 0;width:100%;height:100%;display:block;position:absolute;inset:0}.case__num{font-family:var(--mono);letter-spacing:.18em;color:#ffffffeb;z-index:1;-webkit-backdrop-filter:blur(6px);background:#0806108c;border:1px solid #ffffff24;border-radius:999px;padding:.25rem .6rem;font-size:.7rem;position:absolute;inset-block-end:.85rem;inset-inline-end:1rem}.case__body{background:var(--bg-soft);flex-direction:column;gap:.85rem;padding:clamp(1.4rem,2vw,2rem);display:flex}.case__era{font-family:var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--case-a,var(--accent));opacity:.92;margin:0;font-size:.7rem}.case__title{font-family:var(--serif);letter-spacing:-.01em;margin:0;font-size:clamp(1.6rem,1.5vw + 1rem,2.1rem);font-weight:600}.case__kicker{font-family:var(--mono);color:var(--fg-mute);margin:0;font-size:.85rem}.case__lede{color:var(--fg);margin:0;font-size:1rem;line-height:1.6}.case__expand{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--line-strong);color:var(--fg);border-radius:999px;align-self:flex-start;padding:.5rem .9rem;font-size:.78rem;transition:background .15s ease-out,color .15s ease-out}.case__expand:hover,.case__expand:focus-visible{background:var(--fg);color:var(--bg)}.case__deep{border-block-start:1px solid var(--line);flex-direction:column;gap:.85rem;margin-block-start:.5rem;padding-block-start:.85rem;display:none}.case__deep[data-open]{display:flex}.case__voice{border-inline-start:2px solid var(--case-a,var(--accent));font-family:var(--serif);color:var(--fg);margin:0;padding:0 0 0 1rem;font-size:1rem;font-style:italic}.case__impact,.case__artifacts{color:var(--fg-mute);margin:0;font-size:.95rem}.case__artifacts code{font-family:var(--mono);background:var(--pill-bg);color:var(--fg);border-radius:999px;padding:.18em .5em;font-size:.78rem}.case__links{flex-wrap:wrap;gap:.5rem 1.25rem;margin:.25rem 0 0;padding:0;list-style:none;display:flex}.case__links a{font-family:var(--mono);color:var(--case-a,var(--accent));border-block-end:1px dashed;padding-block-end:1px;font-size:.85rem;text-decoration:none;transition:color .15s ease-out}.case__links a:hover,.case__links a:focus-visible{color:var(--case-b,var(--accent-2))}.timeline__list{gap:.75rem;margin:0;padding:0;list-style:none;display:grid;position:relative}.timeline__item{border-block-start:1px solid var(--line);grid-template-columns:5rem 1fr;gap:1.5rem;padding-block:1.25rem;display:grid}.timeline__item:first-child{border-block-start:1px solid var(--line)}.timeline__year{font-family:var(--mono);letter-spacing:.04em;color:var(--accent);font-size:1.05rem;font-weight:500}.timeline__title{font-family:var(--serif);letter-spacing:-.005em;margin:0 0 .4rem;font-size:1.25rem;font-weight:600;display:block}.timeline__text{color:var(--fg-mute);max-width:60ch;margin:0;font-size:.98rem}.timeline__item[data-era=pre_sdf] .timeline__year{color:var(--accent-warm)}.timeline__item[data-era=early_sdf] .timeline__year{color:var(--accent)}.timeline__item[data-era=soroban_onboarding] .timeline__year{color:var(--accent-2)}.timeline__item[data-era=ecosystem_engineering] .timeline__year{color:var(--kale)}.timeline__item[data-era=agentic_ai_period] .timeline__year{color:#f472b6}.archive{padding-block:clamp(3rem,6vw,6rem)}.arc-head{align-items:end;gap:1.5rem;display:grid}@media (width>=56rem){.arc-head{grid-template-columns:1.4fr 1fr}}.arc-head__intro{max-width:48rem}.arc-eyebrow{font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--fg-mute);margin:0 0 .5rem;font-size:.75rem}.arc-h{font-family:var(--serif);letter-spacing:-.01em;margin:0 0 .5rem;font-size:clamp(1.8rem,2.5vw + 1rem,2.6rem);font-weight:600}.arc-sub{color:var(--fg-mute);margin:0}.arc-controls{flex-direction:column;gap:.75rem;display:flex}.arc-search input{font:inherit;background:var(--bg-soft);width:100%;color:var(--fg);border:1px solid var(--line-strong);border-radius:12px;outline:none;padding:.85rem 1rem;transition:border .15s ease-out}.arc-search input:focus{border-color:var(--accent)}.arc-controls__row{flex-wrap:wrap;gap:.5rem;display:flex}.arc-sort select,.arc-toggle,.arc-clear{font-family:var(--mono);background:var(--bg-soft);color:var(--fg);border:1px solid var(--line);cursor:pointer;border-radius:10px;padding:.6rem .9rem;font-size:.82rem}.arc-sort select:hover,.arc-toggle:hover,.arc-clear:hover{border-color:var(--line-strong)}.arc-toggle[aria-expanded=true]{background:var(--fg);color:var(--bg);border-color:var(--fg)}@media (width>=56rem){.arc-toggle{display:none}}.arc-rail{flex-wrap:wrap;gap:.5rem;margin-block:1.5rem 1rem;display:flex}.arc-tag{font-family:var(--mono);background:var(--pill-bg);color:var(--fg);border:1px solid #0000;border-radius:999px;align-items:center;gap:.5rem;padding:.45rem .85rem;font-size:.78rem;transition:background .15s ease-out,border .15s ease-out;display:inline-flex}.arc-tag:hover{background:var(--pill-bg-strong)}.arc-tag.is-on{background:var(--accent);color:var(--bg);border-color:var(--accent)}.arc-tag span{opacity:.7;font-size:.7rem}.arc-body{gap:1.25rem;margin-block-start:1rem;display:grid}@media (width>=56rem){.arc-body{grid-template-columns:16rem 1fr;align-items:start}}.arc-filters{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:1rem;display:none}.arc-filters.is-open{display:block}@media (width>=56rem){.arc-filters{display:block;position:sticky;inset-block-start:1rem}}.arc-facet-group{border-block-end:1px solid var(--line);padding-block:.75rem 1rem}.arc-facet-group:last-of-type{border-block-end:0}.arc-facet-group summary{font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--fg-mute);cursor:pointer;margin-block-end:.5rem;font-size:.78rem;list-style:none}.arc-facet-group summary::-webkit-details-marker{display:none}.arc-facet-list{flex-direction:column;gap:.25rem;max-height:22rem;display:flex;overflow-y:auto}.arc-facet{cursor:pointer;color:var(--fg);border-radius:8px;align-items:center;gap:.5rem;padding:.35rem .5rem;font-size:.85rem;transition:background .12s ease-out;display:flex}.arc-facet:hover{background:var(--pill-bg)}.arc-facet input{accent-color:var(--accent)}.arc-facet.is-on{background:var(--pill-bg)}.arc-facet__label{flex:1}.arc-facet__count{font-family:var(--mono);color:var(--fg-soft);font-size:.72rem}.arc-year{color:var(--fg-mute);gap:.5rem;font-size:.85rem;display:flex}.arc-year input{width:5rem;font:inherit;background:var(--bg);color:var(--fg);border:1px solid var(--line);border-radius:8px;padding:.4rem .5rem;font-size:.85rem}.arc-results{flex-direction:column;gap:.5rem;margin:0;padding:0;list-style:none;display:flex}.arc-empty{text-align:center;color:var(--fg-mute);border:1px dashed var(--line-strong);border-radius:var(--radius);padding:2rem}.link-button{text-underline-offset:4px;color:var(--accent);text-decoration:underline}.arc-row{border:1px solid var(--line);background:var(--bg-soft);border-radius:var(--radius);grid-template-columns:1fr;gap:.5rem;padding:.85rem 1rem;transition:border .15s ease-out,transform .15s ease-out;display:grid}@media (width>=40rem){.arc-row{grid-template-columns:1fr auto;align-items:center;gap:1rem}}.arc-row:hover{border-color:var(--line-strong);transform:translateY(-1px)}.arc-row__main{color:var(--fg);flex-direction:column;gap:.25rem;text-decoration:none;display:flex}.arc-row__title{font-family:var(--serif);letter-spacing:-.005em;font-size:1.05rem;font-weight:600;line-height:1.25}.arc-row__summary{color:var(--fg-mute);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.9rem;line-height:1.45;display:-webkit-box;overflow:hidden}.arc-row__main:hover .arc-row__title{color:var(--accent)}mark{color:var(--fg);background:#b08cff40;border-radius:4px;padding:0 .15em}.arc-row__meta{flex-wrap:wrap;align-items:center;gap:.4rem;display:flex}.arc-pill{font-family:var(--mono);background:var(--pill-bg);letter-spacing:.04em;color:var(--fg);white-space:nowrap;border-radius:999px;padding:.2rem .55rem;font-size:.7rem}.arc-pill--alt{color:var(--accent-2);background:#67e8f91f}.arc-pill--ghost{border:1px solid var(--line);color:var(--fg-mute);background:0 0}.arc-pill--soft{color:var(--accent-warm);background:#ffae5b1f}.arc-more{background:var(--bg-soft);border:1px dashed var(--line-strong);border-radius:var(--radius);width:100%;font-family:var(--mono);letter-spacing:.05em;color:var(--fg);cursor:pointer;margin-block-start:1.5rem;padding:.85rem;font-size:.85rem;transition:background .15s ease-out}.arc-more:hover{background:var(--pill-bg)}.colophon__list{grid-template-columns:1fr;gap:1.5rem;margin:0;padding:0;list-style:none;display:grid}@media (width>=56rem){.colophon__list{grid-template-columns:1fr 1fr}}.colophon__list li{border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-soft);min-width:0;color:var(--fg-mute);overflow-wrap:anywhere;padding:1.25rem;font-size:.95rem;line-height:1.55}.colophon__list strong{color:var(--fg);margin-inline-end:.35rem}.colophon__list code{font-family:var(--mono);background:var(--pill-bg);color:var(--fg);white-space:normal;border-radius:6px;padding:.1em .4em;font-size:.85em}.colophon__list a{color:var(--accent)}.foot{border-block-start:1px solid var(--line);background:var(--bg-soft)}.foot__inner{max-width:var(--max);padding:2rem var(--pad);font-family:var(--mono);color:var(--fg-mute);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem 2rem;margin:0 auto;font-size:.78rem;display:flex}.foot__brand{letter-spacing:.04em;margin:0}.foot__links{flex-wrap:wrap;gap:1rem;margin:0;padding:0;list-style:none;display:flex}.foot__links a{color:var(--fg);border-block-end:1px solid #0000;text-decoration:none;transition:border-color .15s ease-out,color .15s ease-out}.foot__links a:hover,.foot__links a:focus-visible{color:var(--accent);border-block-end-color:var(--accent)}.foot__meta a{color:var(--accent);text-decoration:none}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}