@font-face { font-family: "Source Serif 4 Deck"; src: url("assets/fonts/source-serif-4-italic.woff2") format("woff2"); font-style: italic; font-weight: 400; font-display: swap; }
:root { --paper: oklch(97% .008 235); --paper-2: oklch(94% .014 232); --white: oklch(99% .004 235); --ink: oklch(18% .025 250); --muted: oklch(48% .025 245); --line: oklch(76% .025 240); --blue: oklch(55% .19 253); --blue-soft: oklch(91% .05 248); --teal: oklch(58% .14 176); --teal-soft: oklch(92% .045 174); --amber: oklch(72% .15 77); --coral: oklch(62% .18 28); --sans: "Helvetica Neue", Helvetica, Arial, sans-serif; --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; background-color: var(--paper); background-image: linear-gradient(oklch(91% .012 238) 1px, transparent 1px), linear-gradient(90deg, oklch(91% .012 238) 1px, transparent 1px); background-size: 64px 64px; color: var(--ink); font-family: var(--sans); font-size: 14px; line-height: 1.5; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
button:focus-visible, a:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }
.content-width { margin-left: auto; margin-right: auto; max-width: 980px; width: calc(100% - 40px); }
.site-header { background: var(--white); border-bottom: 1px solid var(--line); }
.header-inner { align-items: center; display: flex; height: 58px; margin: 0 auto; max-width: 980px; padding: 0 20px; }
.wordmark { align-items: center; display: inline-flex; gap: 8px; letter-spacing: -.04em; }.wordmark img { height: 22px; object-fit: contain; width: 22px; }.wordmark strong { font-size: 15px; font-weight: 850; }
.header-inner nav { display: flex; gap: 22px; margin-left: auto; margin-right: 24px; }.header-inner nav a, .header-link { color: var(--muted); font-size: 10px; font-weight: 700; }.header-inner nav a:hover { color: var(--blue); }.header-link { border-left: 1px solid var(--line); padding-left: 20px; }
.hero { padding: 54px 20px 40px; text-align: center; }.hero-logo { display: block; height: 66px; margin: 0 auto 17px; object-fit: contain; width: 66px; }.hero h1 { font-size: clamp(38px, 5vw, 54px); letter-spacing: -.035em; line-height: 1; margin: 0; }.hero h2 { font-size: clamp(17px, 2vw, 24px); font-weight: 700; letter-spacing: -.035em; line-height: 1.2; margin: 15px auto 0; max-width: 660px; }.authors { color: var(--muted); font-size: 13px; margin: 13px 0 18px; }.hero-links { align-items: center; display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }.hero-links a { background: var(--ink); border-radius: 999px; color: var(--paper); font-size: 10px; font-weight: 700; padding: 7px 13px; transition: background .2s ease, transform .2s ease; }.hero-links a:hover { background: var(--blue); transform: translateY(-1px); }.version-line { color: var(--muted); font: 9px var(--mono); margin: 19px 0 0; }
.introduction { background: var(--blue-soft); border: 1px solid var(--line); margin: 0 auto 34px; padding: 35px 20px 31px; }.introduction .content-width { width: min(760px, 100%); }.section-label { color: var(--blue); display: block; font: 10px var(--mono); font-weight: 900; letter-spacing: .05em; text-transform: uppercase; }.introduction h2 { font-size: 22px; letter-spacing: -.055em; margin: 10px 0 15px; }.introduction p { color: var(--muted); font-size: 12px; line-height: 1.65; margin: 10px 0; }.introduction p:last-child { margin-bottom: 0; }
.section-title-row { align-items: end; display: flex; justify-content: space-between; }.section-title-row h2 { font-size: 26px; letter-spacing: -.07em; margin: 5px 0 0; }.updated { color: var(--muted); font: 9px var(--mono); text-transform: uppercase; }.leaderboard-section { padding-bottom: 58px; }.result-summary { align-items: center; background: var(--white); border: 1px solid var(--line); display: grid; gap: 20px; grid-template-columns: 1.5fr .7fr .8fr .8fr; margin-top: 22px; padding: 18px 20px; }.winner-main { align-items: center; display: flex; gap: 11px; }.mark-sitin { align-items: center; background: var(--white); border: 1px solid var(--ink); display: flex; height: 39px; justify-content: center; padding: 3px; width: 39px; }.mark-sitin img { display: block; height: 100%; object-fit: contain; width: 100%; }.winner-main > div > span, .summary-stat span { color: var(--muted); display: block; font: 9px var(--mono); text-transform: uppercase; }.winner-main h3 { font-size: 17px; letter-spacing: -.05em; margin: 2px 0 0; }.winner-main p { color: var(--muted); font-size: 10px; margin: 2px 0 0; }.winner-score strong { display: block; font-size: 31px; letter-spacing: -.08em; line-height: 1; }.winner-score span { color: var(--muted); font: 9px var(--mono); }.summary-stat { border-left: 1px solid var(--line); padding-left: 17px; }.summary-stat strong { display: block; font-size: 20px; letter-spacing: -.06em; margin-top: 5px; }.leaderboard-tabs { border-bottom: 1px solid var(--ink); display: flex; gap: 20px; margin-top: 28px; }.leaderboard-tabs button { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 11px; padding: 9px 0 8px; position: relative; }.leaderboard-tabs button.active, .leaderboard-tabs button:hover { color: var(--ink); }.leaderboard-tabs button.active::after { background: var(--blue); bottom: -1px; content: ""; height: 2px; left: 0; position: absolute; width: 100%; }.table-scroll { overflow-x: auto; }table { border-collapse: collapse; min-width: 680px; width: 100%; }.leaderboard-section table { background: var(--white); }th { background: var(--paper-2); color: var(--muted); font: 9px var(--mono); font-weight: 500; padding: 11px 14px; text-align: left; text-transform: uppercase; }th span { color: var(--muted); display: block; font-size: 8px; margin-top: 2px; text-transform: none; }td { border-bottom: 1px solid var(--line); font-size: 11px; padding: 10px 14px; white-space: nowrap; }.rank-no { color: var(--blue); font: 10px var(--mono); width: 42px; }.rank-row { cursor: pointer; }.rank-row:hover { background: var(--blue-soft); }.rank-row.selected { background: var(--teal-soft); }.agent-name { align-items: center; display: flex; gap: 10px; }.agent-name strong { display: block; font-size: 11px; }.agent-name small { color: var(--muted); display: block; font-size: 9px; margin-top: 2px; }.mini-logo { align-items: center; border: 1px solid var(--line); display: inline-flex; height: 28px; justify-content: center; overflow: hidden; padding: 3px; width: 28px; }.mini-logo img { display: block; height: 100%; object-fit: contain; width: 100%; }.logo-sitin { background: var(--white); }.logo-fable { background: var(--coral-soft); }.logo-opus { background: var(--white); }.logo-kimi { background: var(--white); }.logo-gemini, .logo-gpt { background: var(--white); }.logo-nova, .logo-command, .logo-mistral, .logo-llama { background: var(--white); }.up { color: var(--teal); display: block; font: 9px var(--mono); margin-top: 2px; }.up.negative { color: var(--coral); }.table-note { color: var(--muted); font-size: 10px; margin: 12px 0 0; }
.chart-section { background: var(--paper-2); border-bottom: 1px solid var(--line); border-top: 1px solid var(--line); padding: 42px 0 54px; }.chart-instruction { color: var(--muted); font-size: 11px; margin: 8px 0 13px; }.chart-filters { display: flex; gap: 16px; }.metric-button { background: transparent; border: 0; border-bottom: 1px solid var(--line); color: var(--muted); cursor: pointer; font: 10px var(--mono); padding: 0 0 5px; text-transform: uppercase; }.metric-button.active, .metric-button:hover { border-color: var(--blue); color: var(--blue); }.chart-wrap { background: var(--white); border: 1px solid var(--line); padding: 14px; position: relative; }.outcome-chart { display: block; width: 100%; }.chart-grid path { fill: none; stroke: var(--line); stroke-width: 1; }.chart-axis { fill: var(--muted); font: 9px var(--mono); }.axis-label { fill: var(--muted); font: 8px var(--mono); letter-spacing: .04em; }.point { cursor: pointer; outline: none; }.point circle { stroke: var(--white); stroke-width: 3; transition: transform .18s ease, stroke-width .18s ease; }.point:hover circle, .point:focus circle { stroke-width: 5; transform-box: fill-box; transform-origin: center; transform: scale(1.25); }.point text { fill: var(--white); font: 900 9px var(--sans); pointer-events: none; }.point image { pointer-events: none; }.point-sitin circle { fill: var(--teal); }.point-fable circle { fill: var(--blue); }.point-opus circle { fill: var(--coral); }.point-kimi circle { fill: oklch(62% .15 300); }.point-gemini circle { fill: oklch(58% .15 245); }.point-nova circle { fill: oklch(58% .12 340); }.point-gpt circle { fill: oklch(52% .08 155); }.point-command circle { fill: oklch(60% .12 65); }.point-mistral circle { fill: oklch(52% .03 250); }.point-llama circle { fill: oklch(54% .09 220); }.chart-tooltip { background: var(--ink); color: var(--paper); display: flex; flex-direction: column; font: 10px var(--sans); gap: 3px; opacity: 0; padding: 10px 12px; pointer-events: none; position: absolute; transform: translateY(-100%); transition: opacity .15s ease; white-space: nowrap; z-index: 2; }.chart-tooltip strong { font-size: 11px; }.chart-tooltip span { color: oklch(76% .02 235); font: 9px var(--mono); }.chart-tooltip.visible { opacity: 1; }
.methodology { padding: 58px 0 75px; }.methodology > h2 { font-size: 32px; letter-spacing: -.07em; margin: 6px 0 11px; }.methodology > p { color: var(--muted); font-size: 12px; line-height: 1.7; margin: 0; max-width: 650px; }.method-grid { border-top: 1px solid var(--ink); display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 35px; }.method-grid > div { border-right: 1px solid var(--line); display: flex; flex-direction: column; min-height: 100px; padding: 14px 14px 10px 0; }.method-grid > div + div { padding-left: 15px; }.method-grid > div:last-child { border-right: 0; }.method-grid b { color: var(--blue); font: 9px var(--mono); }.method-grid strong { font-size: 13px; margin: 16px 0 3px; }.method-grid span { color: var(--muted); font-size: 10px; }.text-link { border-bottom: 1px solid var(--ink); display: inline-block; font-size: 11px; font-weight: 700; margin-top: 24px; padding-bottom: 4px; }.text-link:hover { border-color: var(--blue); color: var(--blue); }
footer { background: var(--white); border-top: 1px solid var(--line); color: var(--muted); padding: 24px 0; }footer .content-width { align-items: center; display: flex; font-size: 10px; justify-content: space-between; }footer a:hover { color: var(--blue); }
@media (max-width: 700px) { .header-inner { height: 54px; }.header-inner nav { display: none; }.header-link { margin-left: auto; }.hero { padding-top: 42px; }.hero h1 { font-size: 43px; }.hero h2 { font-size: 18px; }.introduction { margin-bottom: 28px; padding: 28px 20px; }.result-summary { gap: 18px; grid-template-columns: 1fr 1fr; }.winner-main { grid-column: 1 / -1; }.winner-score { border-top: 1px solid var(--line); padding-top: 15px; }.summary-stat { padding-left: 15px; }.summary-stat:nth-last-child(1) { border-left: 0; }.section-title-row { align-items: flex-start; flex-direction: column; gap: 13px; }.chart-filters { flex-wrap: wrap; gap: 12px; }.method-grid { grid-template-columns: 1fr 1fr; }.method-grid > div:nth-child(2) { border-right: 0; }.method-grid > div:nth-child(3), .method-grid > div:nth-child(4) { border-top: 1px solid var(--line); }.method-grid > div:nth-child(3) { padding-left: 0; }.method-grid > div:nth-child(4) { padding-left: 15px; }.footer .content-width { align-items: flex-start; flex-direction: column; gap: 10px; } }
@media (max-width: 460px) { .content-width { width: calc(100% - 28px); }.hero { padding-left: 14px; padding-right: 14px; }.introduction { margin-left: 0; margin-right: 0; }.result-summary { padding: 15px; }.leaderboard-tabs { gap: 15px; }.leaderboard-tabs button { font-size: 10px; } }