:root {
  --paper: #ffffff;
  --ink: #1c293b;
  --muted: #596779;
  --accent: #245dc6;
  --line: #dde3eb;
  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 35px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.8 -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
a:focus-visible, button:focus-visible { outline: 3px solid #508cf5; outline-offset: 5px; }
a:hover { color: var(--accent); }
.wrap { width: min(1200px, 90%); margin-inline: auto; }
.nav { height: 88px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font: 600 19px/1.3 var(--mono); letter-spacing: -.6px; }
.brand-icon { display: grid; place-items: center; color: white; width: 30px; height: 30px; background: #1c293b; font: 600 20px/1 var(--mono); border-radius: 3px; }
.nav nav { display: flex; align-items: center; gap: 30px; font-size: 14px; }
.nav-github { padding: 7px 14px; border: 1px solid var(--line); border-radius: 4px; }
.hero { display: grid; grid-template-columns: 1.03fr 1fr; gap: 7%; align-items: center; padding-block: 75px 70px; }
.eyebrow { font: 600 12px/1.7 var(--mono); letter-spacing: 1.3px; color: var(--muted); margin: 0 0 19px; }
.project-name { color: var(--accent); font: 500 17px/1.4 var(--mono); margin: 35px 0 18px; }
h1 { font-size: clamp(34px, 3.6vw, 49px); line-height: 1.16; letter-spacing: -1.8px; font-weight: 650; margin: 0 0 27px; }
.lead { color: var(--muted); font-size: 17px; line-height: 1.85; max-width: 490px; margin: 0; }
.actions { display: flex; gap: 13px; margin-top: 30px; flex-wrap: wrap; }
.button { display: inline-flex; justify-content: space-between; align-items: center; gap: 25px; padding: 11px 19px; border: 1px solid transparent; border-radius: 4px; font-size: 14px; font-weight: 600; }
.dark { color: #fff; background: #1e365c; }
.dark:hover { color: white; background: #285080; }
.outline { border-color: #bac6d6; }
.project-meta { display: flex; flex-wrap: wrap; gap: 10px 18px; font: 11px/1.7 var(--mono); color: var(--muted); margin-top: 29px; }
.project-meta span + span::before { content: '/'; color: #a6b1c0; margin-right: 18px; }
.memory-scene { background: #111c2e; border: 1px solid #273851; border-radius: 6px; color: #e6edf8; padding: 24px 26px 18px; position: relative; }
.scene-top { display: flex; justify-content: space-between; gap: 8px; font: 10px/1.4 var(--mono); letter-spacing: .4px; color: #b1bfd2; margin-bottom: 24px; }
.live-label { color: #98aecb; }
.agent { display: flex; align-items: center; gap: 13px; background: #1a2a40; border: 1px solid #41536c; border-radius: 4px; padding: 11px 14px; width: 90%; position: relative; z-index: 1; }
.agent-icon { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid #5b6e88; color: #b6c9e4; font: 12px var(--mono); border-radius: 3px; }
.agent div { font-size: 15px; font-weight: 600; line-height: 1.4; }
.agent small { display: block; font: 10px var(--mono); margin-top: 5px; color: #a6b7ce; }
.agent-state { font: 10px var(--mono); color: #aac3e6; margin-left: auto; }
.connector { height: 29px; width: 1px; background: #476284; margin-left: 45%; position: relative; overflow: hidden; }
.connector span { position: absolute; width: 100%; height: 12px; background: #a2c9ff; animation: flow 3.5s linear infinite; }
.memory-stack { position: relative; }
.stack-shadow { display: none; }
.memory-card { border: 1px solid #57769b; background: #17253a; border-radius: 4px; overflow: hidden; }
.memory-title { display: flex; justify-content: space-between; align-items: center; padding: 13px 16px; border-bottom: 1px solid #435a78; background: #233b5d; }
.memory-title strong { font: 600 14px var(--mono); }
.memory-title>span { font: 10px var(--mono); color: #c2d3e8; }
.memory-row { display: flex; align-items: center; gap: 13px; padding: 11px 0; margin-inline: 16px; border-bottom: 1px solid #304158; font-size: 12px; }
.memory-row>span { font: 11px var(--mono); color: #8fa7c6; }
.memory-row>span:last-child { margin-left: auto; }
.memory-row small { display: block; font: 10px var(--mono); letter-spacing: .7px; color: #94bfff; margin-bottom: 3px; }
.card-foot { padding: 10px 16px; display: flex; justify-content: space-between; gap: 8px; font: 9px var(--mono); color: #a0b3cc; }
.connector-bottom { margin-left: 58%; }
.to { margin-left: auto; }
.scene-caption { margin-top: 19px; display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.scene-caption>span { font: 10px var(--mono); color: #a0b3cc; }
.scene-caption p { font-size: 13px; line-height: 1.6; text-align: right; margin: 0; color: #b1c0d3; }
.scene-caption strong { color: #dfe9f6; font-weight: 500; }
.diagram-note { display: block; border-top: 1px solid #2a3c54; margin-top: 16px; padding-top: 10px; font-size: 10px; color: #a0afc3; }
.project-facts { display: grid; grid-template-columns: repeat(4,1fr); border-block: 1px solid var(--line); padding-block: 25px; gap: 25px; }
.project-facts span { display: block; font: 10px/1.7 var(--mono); color: var(--muted); letter-spacing: .7px; margin-bottom: 7px; }
.project-facts strong { font-size: 14px; font-weight: 500; }
.section { padding-block: 80px; }
h2 { font-size: clamp(26px,2.5vw,34px); line-height: 1.35; letter-spacing: -.8px; font-weight: 600; margin: 0; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 50px; margin-bottom: 38px; }
.section-heading>p { margin: 0; color: var(--muted); font-size: 14px; max-width: 440px; }
.section-heading>p br { display: none; }
.walkthrough { display: grid; grid-template-columns: 1fr 1fr; gap: 6%; }
.steps { display: flex; flex-direction: column; }
.step { text-align: left; display: flex; align-items: start; gap: 18px; background: none; border: 0; border-top: 1px solid var(--line); padding: 22px 14px; transition: background .18s; }
.step:last-child { border-bottom: 1px solid var(--line); }
.step>span { font: 12px var(--mono); color: var(--muted); padding-top: 5px; }
.step h3 { margin: 0 0 7px; font-size: 17px; font-weight: 600; line-height: 1.5; }
.step p { font-size: 14px; line-height: 1.75; color: var(--muted); margin: 0; }
.step b { font-weight: 400; margin-left: auto; color: #8b9cb2; }
.step.active { background: #eff4fc; box-shadow: inset 3px 0 var(--accent); }
.step:hover { background: #f5f7fa; }
.step.active>span, .step.active b { color: var(--accent); }
.demo-panel { display: flex; flex-direction: column; background: #111c2e; color: #e7edf7; border: 1px solid #233a58; border-radius: 5px; min-height: 355px; overflow: hidden; }
.terminal-head { display: flex; align-items: center; gap: 12px; border-bottom: 1px solid #33445d; padding: 14px 17px; font: 10px/1.5 var(--mono); color: #b1bfd2; }
.terminal-head>span:first-child { display: none; }
.terminal-head button { background: none; border: 1px solid #506581; border-radius: 3px; color: #bdcfe7; font-size: 10px; padding: 3px 6px; margin-left: auto; }
#demo-content { padding: 28px 25px; }
.demo-kicker { font: 10px var(--mono); letter-spacing: 1px; color: #9cc3ff; margin: 0; }
.demo-bubble { font-size: 16px; line-height: 1.8; border-left: 2px solid #789ad0; margin: 23px 0; padding: 10px 15px; background: #1a2b43; }
.demo-line { font: 12px/2.1 var(--mono); color: #bdcee4; overflow-wrap: anywhere; }
.demo-line span { color: #99c4ff; }
.demo-success { font-size: 12px; color: #bed0e9; margin: 24px 0 0; }
.demo-footer { display: flex; justify-content: space-between; gap: 12px; padding: 15px 20px; border-top: 1px solid #33445d; margin-top: auto; font-size: 10px; color: #a3b4cc; }
.demo-enter { animation: enter .2s ease-out; }
.principles { background: #f5f7fa; border-block: 1px solid var(--line); }
.principle-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 42px; margin-top: 40px; }
.principle-grid article { padding-top: 22px; border-top: 1px solid #cbd6e4; }
.feature-symbol { display: block; font: 12px var(--mono); color: #657996; margin-bottom: 20px; }
.principle-grid .eyebrow { font-size: 10px; margin-bottom: 12px; }
.principle-grid h3 { font-size: 18px; line-height: 1.6; font-weight: 600; margin: 0 0 13px; }
.principle-grid article>p:last-child { color: var(--muted); font-size: 15px; line-height: 1.85; margin: 0; }
.honesty { display: flex; gap: 35px; border-top: 1px solid var(--line); padding-top: 26px; margin-top: 35px; }
.honesty>span { white-space: nowrap; font: 11px var(--mono); color: #425773; padding-top: 4px; }
.honesty p { font-size: 14px; line-height: 1.9; color: var(--muted); margin: 0; }
.reliability-link { margin-top: 25px; border-left: 2px solid #8da8cf; padding-left: 20px; }
.reliability-link>span { font: 11px var(--mono); color: #425773; }
.reliability-link p { margin: 7px 0; font-size: 14px; color: var(--muted); }
.reliability-link a { font-size: 14px; color: var(--accent); }
.start { display: grid; grid-template-columns: 1fr 1fr; gap: 7%; align-items: center; padding-bottom: 40px; }
.start-copy { color: var(--muted); font-size: 16px; line-height: 1.9; margin: 20px 0; }
.text-link { font-size: 14px; color: var(--accent); border-bottom: 1px solid #b0c4e4; padding-bottom: 4px; }
.text-link span { margin-left: 8px; }
.install { border: 1px solid #c3cddd; border-radius: 5px; overflow: hidden; min-width: 0; }
.install-head { padding: 12px 17px; display: flex; align-items: center; justify-content: space-between; gap: 15px; background: #f0f4f9; border-bottom: 1px solid #c3cddd; font: 10px var(--mono); }
.install-head button { border: 1px solid #acbbcf; border-radius: 3px; font-size: 11px; padding: 4px 10px; background: white; }
.install pre { overflow-x: auto; font: 12px/2.1 var(--mono); margin: 0; padding: 22px 18px; }
.install-bottom { border-top: 1px solid var(--line); background: #f8fafc; padding: 15px 18px; }
.install-bottom>span { color: var(--muted); font-size: 11px; }
.install-bottom strong { display: block; font: 18px var(--mono); margin-top: 9px; }
.install-bottom strong span { float: right; color: #8094ae; }
#copy-status { font-size: 12px; padding-inline: 18px; margin: 0; }
#copy-status:not(:empty) { padding-block: 8px; }
.named { display: flex; gap: 25px; padding: 23px 27px; border: 1px solid var(--line); border-radius: 5px; background: #fafbfd; }
.named-icon { color: #6881a3; font-size: 25px; }
.named h3 { margin: 0 0 10px; font-weight: 600; font-size: 17px; }
.named p { color: var(--muted); font-size: 14px; margin: 0 0 8px; }
.named code { font: 12px/1.8 var(--mono); color: #224873; overflow-wrap: anywhere; }
.named a { color: var(--accent); font-size: 13px; }
.closing { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-block: 75px; }
.closing .eyebrow { margin-bottom: 13px; }
.closing h2 { font-size: 28px; }
.closing-description { font-size: 15px; color: var(--muted); margin: 12px 0 0; }
footer { display: flex; gap: 28px; align-items: center; border-top: 1px solid var(--line); padding-block: 28px; }
footer .brand { font-size: 15px; }
footer p { color: var(--muted); font-size: 11px; }
footer>div { display: flex; gap: 20px; margin-left: auto; font: 10px var(--mono); }
.skip { position: absolute; left: 15px; top: -100px; padding: 10px; background: white; z-index: 20; }
.skip:focus { top: 15px; }
.paused * { animation-play-state: paused !important; }
.paused { scroll-behavior: auto; }
@keyframes flow { from { transform: translateY(-12px); } to { transform: translateY(42px); } }
@keyframes enter { from { opacity: .4; } to { opacity: 1; } }
@media (max-width: 1000px) {
  .hero { gap: 4%; }
  .memory-scene { padding: 20px 16px 16px; }
  .scene-top { font-size: 9px; }
  .section-heading { gap: 25px; }
  .section-heading>p { max-width: 340px; }
  .walkthrough { gap: 4%; }
  .project-facts { gap: 18px; }
  .project-facts strong { font-size: 13px; }
  .principle-grid { gap: 28px; }
  .terminal-head { flex-wrap: wrap; }
}
@media (max-width: 740px) {
  .nav { height: auto; min-height: 80px; padding-block: 20px; flex-wrap: wrap; gap: 16px; }
  .nav nav { gap: 24px; font-size: 13px; }
  .brand { font-size: 17px; }
  .hero { grid-template-columns: 1fr; gap: 35px; padding-block: 40px; }
  .hero .eyebrow { font-size: 10px; }
  .project-name { margin-top: 22px; }
  h1 { font-size: 40px; letter-spacing: -1.5px; }
  .lead { font-size: 16px; max-width: 100%; }
  .project-meta { font-size: 10px; gap: 10px; }
  .project-meta span+span::before { margin-right: 10px; }
  .memory-scene { width: 100%; max-width: 500px; margin-inline: auto; padding: 22px; }
  .scene-top { font-size: 9px; }
  .project-facts { grid-template-columns: 1fr 1fr; gap: 22px 12px; padding-block: 23px; }
  .project-facts span { font-size: 9px; }
  .section { padding-block: 55px; }
  .section-heading { display: block; margin-bottom: 27px; }
  .section-heading>p { max-width: 100%; margin-top: 20px; }
  .walkthrough, .start { grid-template-columns: 1fr; gap: 28px; }
  h2 { font-size: 27px; }
  .step { padding-block: 20px; }
  .demo-panel { min-height: 350px; }
  .principle-grid { grid-template-columns: 1fr; gap: 26px; margin-top: 29px; }
  .feature-symbol { float: right; margin-top: 2px; }
  .principle-grid h3 { font-size: 19px; }
  .honesty { display: block; margin-top: 28px; }
  .honesty p { margin-top: 12px; }
  .start { padding-bottom: 30px; }
  .start-copy { font-size: 15px; }
  .named { padding: 20px; gap: 15px; }
  .named-icon { display: none; }
  .closing { display: block; padding-block: 55px; }
  .closing .button { margin-top: 23px; }
  .closing h2 { font-size: 25px; }
  footer { flex-wrap: wrap; gap: 10px 20px; }
  footer p { font-size: 10px; margin: 0; }
  footer>div { width: 100%; margin: 8px 0 0; }
}
@media (max-width: 380px) {
  h1 { font-size: 34px; }
  .memory-scene { padding: 16px; }
  .memory-title>span { font-size: 9px; }
  .scene-top { flex-direction: column; }
  .project-meta span+span::before { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}