:root {
  --night: #07111f;
  --night-2: #0b192c;
  --night-3: #10243d;
  --paper: #f7f9fc;
  --surface: #ffffff;
  --ink: #0b1628;
  --ink-2: #3f5069;
  --ink-3: #59687e;
  --line: #dce4ee;
  --line-dark: rgba(164, 196, 232, 0.16);
  --cyan: #4fd2d8;
  --sky: #2da6f7;
  --blue: #4585f3;
  --violet: #8a8df7;
  --live: #73deb9;
  --warn: #f0bd67;
  --grad: linear-gradient(110deg, var(--cyan), var(--sky) 46%, var(--violet));
  --radius: 18px;
  --shadow: 0 28px 80px -34px rgba(0, 25, 70, 0.48);
  --wrap: 1180px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
::selection { color: white; background: #287bd8; }
.wrap { width: min(calc(100% - (var(--gutter) * 2)), var(--wrap)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: .75rem; left: .75rem; padding: .7rem 1rem; color: white; background: var(--night); border-radius: .6rem; transform: translateY(-160%); transition: transform .2s; }
.skip-link:focus { transform: none; }
:where(a, button, input):focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; border-radius: .5rem; }

.topbar { position: absolute; z-index: 20; inset: 0 0 auto; color: white; border-bottom: 1px solid rgba(255,255,255,.1); }
.topbar__inner { height: 76px; display: flex; align-items: center; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .62rem; font-size: 1.35rem; font-weight: 790; letter-spacing: -.04em; }
.brand img { width: 38px; height: 38px; }
.topbar nav { display: flex; gap: 1.7rem; margin-left: auto; color: #aebbd0; font-size: .91rem; }
.topbar nav a, footer nav a { transition: color .2s; }
.topbar nav a:hover, footer nav a:hover { color: white; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: .45rem; min-height: 52px; padding: .78rem 1.3rem; border: 1px solid transparent; border-radius: 999px; font-weight: 720; line-height: 1.15; transition: transform .2s, background-color .2s, border-color .2s, box-shadow .2s; }
.button:hover { transform: translateY(-2px); }
.button--small { min-height: 42px; padding: .65rem 1rem; font-size: .9rem; }
.button--light { color: var(--night); background: white; }
.button--primary { color: #06101d; background: var(--grad); box-shadow: 0 14px 32px -16px rgba(64,198,238,.85); }
.button--ghost { color: white; border-color: rgba(255,255,255,.24); background: rgba(255,255,255,.035); }
.button--ghost:hover { border-color: rgba(255,255,255,.52); background: rgba(255,255,255,.07); }
.button--dark { color: white; background: var(--night); box-shadow: 0 15px 30px -18px rgba(7,17,31,.75); }

.hero { position: relative; isolation: isolate; overflow: hidden; min-height: 880px; padding: 154px 0 88px; color: white; background: var(--night); }
.hero::before { content: ""; position: absolute; z-index: -2; inset: 0; background-image: linear-gradient(rgba(115,163,211,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(115,163,211,.04) 1px, transparent 1px); background-size: 76px 76px; mask-image: linear-gradient(to bottom, black, transparent 88%); }
.hero__glow { position: absolute; z-index: -1; width: 780px; height: 780px; right: -270px; top: -280px; border-radius: 50%; background: radial-gradient(circle, rgba(73,139,245,.23), rgba(65,206,219,.06) 46%, transparent 68%); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(430px, .97fr); align-items: center; gap: clamp(3rem, 7vw, 6rem); }
.eyebrow, .kicker { margin: 0 0 1.2rem; color: var(--cyan); font: 650 .76rem/1.4 var(--mono); letter-spacing: .105em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: .7rem; }
.eyebrow span { width: 30px; height: 1px; background: var(--cyan); }
.hero h1 { max-width: 700px; margin: 0 0 1.45rem; font-size: clamp(3.4rem, 6.3vw, 6.15rem); line-height: .96; letter-spacing: -.064em; font-weight: 760; }
.hero h1 em, .lifecycle h2 em, .closing h2 em { display: inline; color: transparent; background: var(--grad); background-clip: text; -webkit-background-clip: text; font-style: normal; }
.hero__lede { max-width: 650px; margin: 0 0 2rem; color: #adbad0; font-size: clamp(1.05rem, 1.45vw, 1.25rem); line-height: 1.65; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-bottom: 1.6rem; }
.boundary { display: flex; flex-wrap: wrap; gap: .65rem 1.3rem; color: #8191aa; font: 500 .78rem/1.4 var(--mono); }
.boundary span { display: inline-flex; align-items: center; gap: .42rem; }
.boundary b { color: #b7c4d8; font-weight: 600; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.status-dot--live { background: var(--live); box-shadow: 0 0 0 4px rgba(115,222,185,.11); }
.status-dot--next { border: 1px solid var(--warn); background: transparent; box-shadow: 0 0 0 4px rgba(240,189,103,.08); }

.window { overflow: hidden; border: 1px solid rgba(155,190,224,.22); border-radius: 20px; background: rgba(11,25,44,.84); box-shadow: 0 42px 100px -42px rgba(0,0,0,.9), 0 0 0 1px rgba(66,210,220,.04) inset; backdrop-filter: blur(16px); }
.window__bar { display: flex; align-items: center; gap: .7rem; min-height: 48px; padding: .75rem 1rem; border-bottom: 1px solid var(--line-dark); color: #8394ad; font: 500 .7rem/1 var(--mono); }
.window__dots { display: flex; gap: 5px; }
.window__dots i { width: 7px; height: 7px; border-radius: 50%; background: #31445f; }
.window__tag { margin-left: auto; padding: .25rem .5rem; border: 1px solid #30435e; border-radius: 999px; font-size: .6rem; text-transform: uppercase; letter-spacing: .08em; }
.agent-card { margin: 1rem; border: 1px solid var(--line-dark); border-radius: 13px; background: rgba(255,255,255,.025); }
.agent-card__head { display: flex; align-items: center; gap: .75rem; padding: .85rem; border-bottom: 1px solid var(--line-dark); }
.agent-avatar { display: grid; place-items: center; width: 37px; height: 37px; border-radius: 10px; color: #06101d; background: var(--grad); font-weight: 800; }
.agent-card__head div { min-width: 0; display: grid; }
.agent-card__head strong { font-size: .92rem; }
.agent-card__head small { color: #7f90a9; font: .66rem/1.5 var(--mono); }
.pill { margin-left: auto; padding: .27rem .53rem; border-radius: 999px; font: 600 .61rem/1 var(--mono); }
.pill--warn { color: var(--warn); border: 1px solid rgba(240,189,103,.26); background: rgba(240,189,103,.08); }
.agent-facts { display: grid; grid-template-columns: 1fr 1fr; margin: 0; }
.agent-facts div { padding: .66rem .8rem; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.agent-facts div:nth-child(2n) { border-right: 0; }
.agent-facts div:nth-last-child(-n+2) { border-bottom: 0; }
.agent-facts dt { color: #73859e; font: .62rem/1.4 var(--mono); text-transform: uppercase; }
.agent-facts dd { margin: .18rem 0 0; color: #dbe7f5; font-size: .76rem; }
.agent-facts dd small { color: var(--live); font: .58rem var(--mono); }
.agent-facts .unknown { color: var(--warn); font-style: italic; }
.mini-loop { list-style: none; margin: .2rem 1rem 1rem; padding: .25rem; border: 1px solid var(--line-dark); border-radius: 13px; background: rgba(0,0,0,.12); }
.mini-loop li { display: grid; grid-template-columns: 25px 1fr auto 12px; align-items: center; gap: .6rem; min-height: 43px; padding: .35rem .55rem; border-radius: 9px; color: #d7e3f1; }
.mini-loop li > span { color: #70839d; font: .62rem var(--mono); }
.mini-loop li > b { font-size: .76rem; }
.mini-loop li > small { color: #71839c; font: .6rem var(--mono); }
.mini-loop li > i { width: 8px; height: 8px; border: 1px solid #3c4f69; border-radius: 50%; }
.mini-loop li.is-live i { border: 0; background: var(--live); box-shadow: 0 0 0 3px rgba(115,222,185,.1); }
.mini-loop li.is-next { background: linear-gradient(90deg, rgba(54,151,242,.12), transparent); }
.mini-loop li.is-next i { border-color: var(--sky); }
.mini-loop li.is-gate { grid-template-columns: 25px 1fr auto; color: #f3ddae; border: 1px solid rgba(240,189,103,.18); background: linear-gradient(90deg, rgba(240,189,103,.11), transparent); }
.mini-loop li.is-gate em { padding: .23rem .46rem; color: var(--warn); border-radius: 999px; background: rgba(240,189,103,.09); font: normal .55rem var(--mono); }
.window__foot { margin: 0; padding: .7rem 1rem; color: #74869f; border-top: 1px solid var(--line-dark); font: .62rem/1.4 var(--mono); text-align: center; }

.principles { color: #b5c2d4; background: #091728; border-block: 1px solid var(--line-dark); }
.principles__inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.principles span { position: relative; padding: 1rem 1.2rem 1rem 1.1rem; border-right: 1px solid var(--line-dark); font: 600 .76rem var(--mono); }
.principles span::before { content: ""; display: inline-block; width: 5px; height: 5px; margin-right: .6rem; border-radius: 50%; background: var(--cyan); vertical-align: .12em; }
.principles span:first-child { padding-left: 0; }
.principles span:last-child { border-right: 0; }

.section { padding: clamp(5rem, 9vw, 8rem) 0; }
.section--light { background: var(--paper); }
.section__intro { margin-bottom: clamp(3rem, 5vw, 4.5rem); }
.two-col-intro { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 8vw, 8rem); align-items: end; }
.section h2, .closing h2 { margin: 0; font-size: clamp(2.65rem, 5vw, 4.8rem); line-height: 1.01; letter-spacing: -.055em; }
.two-col-intro > p, .proof__intro > p { max-width: 560px; margin: 0 0 .4rem; color: var(--ink-2); font-size: 1.1rem; line-height: 1.7; }
.kicker { color: #0874ad; }

.join-map { display: grid; grid-template-columns: 1fr 85px 1.15fr; align-items: center; gap: 1.4rem; }
.source-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.source-grid article { display: grid; gap: .18rem; min-height: 105px; padding: 1rem; border: 1px solid var(--line); border-radius: 12px; background: white; box-shadow: 0 9px 25px -24px rgba(10,40,70,.7); }
.source-grid b { font-size: .84rem; }
.source-grid span { color: var(--ink-2); font: .68rem/1.45 var(--mono); }
.source-grid small { align-self: end; color: var(--ink-3); font-size: .7rem; font-style: italic; }
.join-arrow { display: grid; justify-items: center; gap: .4rem; color: var(--sky); }
.join-arrow span { color: var(--ink-3); font: .58rem var(--mono); writing-mode: vertical-rl; }
.join-arrow b { font-size: 1.5rem; font-weight: 400; }
.canonical-card { overflow: hidden; border: 1px solid #cad7e5; border-radius: 15px; background: white; box-shadow: var(--shadow); }
.canonical-card header { display: flex; align-items: center; gap: .6rem; padding: .9rem 1rem; border-bottom: 1px solid var(--line); background: linear-gradient(#fff, #f5f8fc); }
.canonical-card header > span { padding: .25rem .52rem; color: white; border-radius: 999px; background: var(--grad); font: 650 .6rem var(--mono); }
.canonical-card header code { color: var(--ink-2); font: .67rem var(--mono); }
.canonical-card header small { margin-left: auto; color: var(--ink-3); font: .58rem var(--mono); }
.canonical-card dl { margin: 0; padding: .35rem 1rem .7rem; }
.canonical-card dl div { display: grid; grid-template-columns: 105px 1fr; gap: 1rem; padding: .62rem 0; border-bottom: 1px solid var(--line); }
.canonical-card dl div:last-child { border-bottom: 0; }
.canonical-card dt { color: var(--ink-3); font-size: .78rem; }
.canonical-card dd { margin: 0; font-size: .84rem; }
.canonical-card dd small { display: block; color: var(--ink-3); font: .62rem var(--mono); }
.canonical-card dd.unknown, .canonical-card dd.warning { color: #98620c; }
.join-coda { max-width: 800px; margin: 2.5rem auto 0; color: var(--ink-2); font-size: 1.06rem; line-height: 1.7; text-align: center; }

.lifecycle { color: white; background: radial-gradient(800px 500px at 92% 20%, rgba(78,104,226,.22), transparent 70%), radial-gradient(650px 420px at 4% 90%, rgba(55,192,207,.12), transparent 70%), var(--night); }
.two-col-intro--dark > p { color: #9caac0; }
.kicker--dark { color: var(--cyan); }
.lifecycle-grid { list-style: none; display: grid; grid-template-columns: repeat(12, 1fr); margin: 0; padding: 0; border: 1px solid var(--line-dark); border-radius: 16px; overflow: hidden; background: var(--line-dark); gap: 1px; }
.lifecycle-grid li { display: flex; flex-direction: column; min-height: 220px; padding: 1.35rem; color: #dbe7f5; background: var(--night); }
.lifecycle-grid li { grid-column: span 3; }
.lifecycle-grid li:nth-child(n + 5) { grid-column: span 4; }
.lifecycle-grid li > span { margin-bottom: 2rem; color: #7f92ae; font: .7rem var(--mono); }
.lifecycle-grid strong { font-size: 1.05rem; }
.lifecycle-grid p { margin: .5rem 0 1.2rem; color: #8d9db5; font-size: .86rem; line-height: 1.55; }
.lifecycle-grid small { margin-top: auto; color: #6f819a; font: .65rem var(--mono); }
.lifecycle-grid .live { background: linear-gradient(155deg, rgba(77,210,215,.07), transparent 55%), var(--night); }
.lifecycle-grid .live small { color: var(--live); }
.lifecycle-grid .next { background: linear-gradient(155deg, rgba(46,149,241,.12), transparent 55%), var(--night); }
.lifecycle-grid .next small { color: #68b8fa; }
.lifecycle-grid .gate { background: linear-gradient(155deg, rgba(240,189,103,.15), transparent 65%), var(--night); box-shadow: inset 0 0 0 1px rgba(240,189,103,.23); }
.lifecycle-grid .gate small { color: var(--warn); }

.review { background: white; }
.review__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 8vw, 8rem); align-items: center; }
.review h2 { max-width: 650px; }
.review__copy > p:not(.kicker) { max-width: 610px; margin: 1.5rem 0; color: var(--ink-2); font-size: 1.08rem; line-height: 1.7; }
.review__facts { display: flex; gap: 1.6rem; margin: 1.8rem 0 2.2rem; }
.review__facts span { display: grid; color: var(--ink-3); font: .68rem var(--mono); }
.review__facts b { margin-bottom: .18rem; color: var(--ink); font: 700 .9rem var(--sans); }
.deliverables { padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.deliverables > p { margin: 0; padding: 0 0 1rem; color: var(--ink-3); border-bottom: 1px solid var(--line); font: .7rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.deliverables ul { list-style: none; margin: 0; padding: 0; }
.deliverables li { display: grid; grid-template-columns: 34px 1fr; gap: .8rem; padding: 1.05rem 0; border-bottom: 1px solid var(--line); font-size: .91rem; }
.deliverables li:last-child { border-bottom: 0; }
.deliverables li span { color: #176fae; font: .68rem var(--mono); }

.proof { color: white; background: #0a1728; }
.proof__intro { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: end; }
.proof__intro > p { color: #9caac0; }
.proof-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; border: 1px solid var(--line-dark); border-radius: var(--radius); overflow: hidden; background: var(--line-dark); }
.proof-grid article { min-height: 220px; padding: 1.6rem; background: var(--night-2); }
.proof-grid h3 { margin: 1.2rem 0 .55rem; font-size: 1.2rem; }
.proof-grid p { max-width: 480px; margin: 0; color: #9baac0; font-size: .9rem; line-height: 1.65; }
.proof-level { display: inline-flex; font: .65rem var(--mono); }
.proof-level--live { color: var(--live); }
.proof-level--experimental { color: var(--warn); }
.proof__actions { display: flex; flex-wrap: wrap; gap: 1.5rem; margin-top: 2rem; }
.proof__actions a { color: #b8c8dc; border-bottom: 1px solid #39506e; font-size: .9rem; }
.proof__actions a:hover { color: white; }

.story { background: var(--paper); }
.story__grid { display: grid; grid-template-columns: .65fr 1.35fr; align-items: center; gap: clamp(3rem, 9vw, 9rem); }
.story__mark { display: grid; place-items: center; min-height: 400px; border: 1px solid var(--line); border-radius: 50%; background: radial-gradient(circle, white, #eef6fc 72%); }
.story__mark img { width: 72%; }
.story h2 { margin-bottom: 1.5rem; }
.story p:not(.kicker) { max-width: 680px; color: var(--ink-2); font-size: 1.03rem; line-height: 1.75; }
.story blockquote { margin: 2rem 0 0; padding-left: 1.3rem; border-left: 3px solid var(--cyan); font-size: 1.18rem; font-weight: 700; }

.closing { padding: clamp(5rem, 10vw, 9rem) 0; color: white; background: radial-gradient(700px 500px at 50% 120%, rgba(60,167,239,.2), transparent 70%), var(--night); text-align: center; }
.closing__inner { max-width: 1000px; }
.closing h2 { margin-bottom: 1.4rem; }
.closing p:not(.kicker) { margin: 0 0 2rem; color: #9faec3; font-size: 1.1rem; }
.closing__inner > div { display: flex; justify-content: center; flex-wrap: wrap; gap: .8rem; }

footer { padding: 2.4rem 0 1.5rem; color: #98a7bc; background: #050c16; border-top: 1px solid var(--line-dark); }
.footer__inner { display: flex; align-items: center; gap: 2rem; }
.brand--footer { color: white; }
.brand--footer img { width: 32px; height: 32px; }
.footer__inner p { margin: 0; font-size: .85rem; }
footer nav { display: flex; gap: 1.3rem; margin-left: auto; font-size: .82rem; }
.footer__legal { display: flex; justify-content: space-between; gap: 2rem; margin-top: 1.7rem; padding-top: 1.2rem; border-top: 1px solid var(--line-dark); color: #74859d; font-size: .7rem; }

@media (max-width: 1000px) {
  .topbar nav { display: none; }
  .topbar .button { margin-left: auto; }
  .hero { min-height: auto; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__copy { max-width: 760px; }
  .hero__product { max-width: 650px; }
  .join-map { grid-template-columns: 1fr; }
  .join-arrow { transform: rotate(90deg); }
  .join-arrow span { display: none; }
  .lifecycle-grid { grid-template-columns: repeat(2, 1fr); }
  .lifecycle-grid li, .lifecycle-grid li:nth-child(n + 5) { grid-column: auto; }
  .principles__inner { grid-template-columns: 1fr 1fr; }
  .principles span:nth-child(2) { border-right: 0; }
  .principles span:nth-child(-n+2) { border-bottom: 1px solid var(--line-dark); }
  .principles span:nth-child(3) { padding-left: 0; }
}

@media (max-width: 760px) {
  .topbar__inner { height: 68px; }
  .brand { font-size: 1.2rem; }
  .brand img { width: 33px; height: 33px; }
  .topbar .button { font-size: .77rem; }
  .hero { padding-top: 126px; }
  .hero h1 { font-size: clamp(3.15rem, 15.5vw, 5rem); }
  .hero__lede { font-size: 1.03rem; }
  .two-col-intro, .proof__intro, .review__grid, .story__grid { grid-template-columns: 1fr; gap: 2.3rem; }
  .two-col-intro > p { font-size: 1rem; }
  .section h2, .closing h2 { font-size: clamp(2.6rem, 12vw, 4rem); }
  .source-grid { grid-template-columns: 1fr; }
  .review__facts { display: grid; grid-template-columns: 1fr 1fr; }
  .story__mark { min-height: 280px; max-width: 420px; }
  .footer__inner { align-items: flex-start; flex-wrap: wrap; }
  .footer__inner p { order: 3; width: 100%; }
  .footer__legal { flex-direction: column; gap: .4rem; }
}

@media (max-width: 520px) {
  .topbar .button { padding-inline: .78rem; }
  .topbar .button span { display: none; }
  .hero { padding-bottom: 64px; }
  .hero__actions { display: grid; }
  .hero__actions .button { width: 100%; }
  .boundary { display: grid; }
  .agent-card { margin: .7rem; }
  .mini-loop { margin-inline: .7rem; }
  .mini-loop li { grid-template-columns: 22px 1fr 10px; }
  .mini-loop li > small { display: none; }
  .mini-loop li.is-gate { grid-template-columns: 22px 1fr auto; }
  .principles__inner { grid-template-columns: 1fr; }
  .principles span { padding-left: 0; border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .principles span:last-child { border-bottom: 0; }
  .canonical-card header { flex-wrap: wrap; }
  .canonical-card header small { width: 100%; margin-left: 0; }
  .canonical-card dl div { grid-template-columns: 84px 1fr; gap: .7rem; }
  .lifecycle-grid, .proof-grid { grid-template-columns: 1fr; }
  .lifecycle-grid li { min-height: 190px; }
  .review__facts { grid-template-columns: 1fr; gap: .8rem; }
  .review .button { width: 100%; }
  .story__mark { min-height: 240px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}