:root {
  --paper: #f7f9f6;
  --ink: #103a3b;
  --muted: #516967;
  --line: #dbe5df;
  --green: #7ae8c7;
  --dark: #062a2c;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-underline-offset: 5px; }
button, input, select { font: inherit; }
button, a, input, select, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #078b76; outline-offset: 5px; }
.hero-shell :focus-visible, .header :focus-visible, .learning-section :focus-visible { outline-color: var(--green); }
button, summary { cursor: pointer; }
button:disabled { cursor: default; opacity: .65; }
p { line-height: 1.7; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-weight: 520; letter-spacing: -.04em; line-height: 1.06; }
h1 { font-size: clamp(56px, 6.4vw, 88px); margin-bottom: 26px; }
h2 { font-size: clamp(38px, 4.3vw, 60px); margin-bottom: 24px; }
h3 { font-size: 21px; font-weight: 600; letter-spacing: -.025em; line-height: 1.3; }
em { font-style: normal; color: #93edcf; }
code, pre { font-family: var(--sans); }
code { font-size: .88em; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.8; }
.wrap { max-width: 1280px; margin-inline: auto; padding-inline: 48px; }
.skip { position: absolute; z-index: 10; top: -80px; left: 20px; padding: 12px 20px; background: white; color: var(--ink); border-radius: 8px; }
.skip:focus { top: 12px; }
.header { display: flex; align-items: center; justify-content: space-between; height: 100px; color: #edfaf3; background: var(--dark); border-bottom: 1px solid #ffffff12; }
.header.wrap { max-width: none; padding-inline: max(48px, calc((100% - 1184px) / 2)); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-size: 27px; font-weight: 720; letter-spacing: -.06em; }
.brand-mark { width: 58px; height: 58px; object-fit: contain; }
nav { display: flex; align-items: center; gap: 32px; font-size: 14px; }
nav a { text-decoration: none; }
nav a:hover, .text-link:hover { text-decoration: underline; }
.nav-cta { padding: 12px 20px; border: 1px solid #78bca875; border-radius: 100px; }
.hero-shell { background: radial-gradient(ellipse at 75% 30%, #104c46 0, transparent 53%), var(--dark); color: #edfaf3; }
.hero { display: grid; grid-template-columns: 1fr 1.08fr; gap: 56px; align-items: center; padding-top: 68px; padding-bottom: 64px; }
.eyebrow { font-size: 11px; text-transform: uppercase; letter-spacing: .13em; font-weight: 650; margin-bottom: 24px; }
.hero .eyebrow { color: #a9cdbf; }
.dot { display: inline-block; width: 6px; height: 6px; margin-right: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px #7ae8c70b; }
.lead { max-width: 420px; font-size: 20px; line-height: 1.6; color: #bcd4cb; margin-bottom: 32px; }
.actions { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; padding: 17px 23px; border-radius: 100px; font-size: 14px; font-weight: 650; text-decoration: none; transition: background .2s, transform .2s; }
.button:hover { transform: translateY(-2px); }
.primary, .light { background: var(--green); color: #073b32; }
.primary:hover, .light:hover { background: #a3f3d9; }
.text-link { font-size: 13px; text-decoration: none; }
.hero-benefits { display: flex; flex-wrap: wrap; gap: 17px; list-style: none; padding: 0; margin: 35px 0 0; font-size: 11px; color: #bed7cb; }
.hero-benefits li::before { content: '✓'; color: var(--green); margin-right: 6px; }
.hero-note { font-size: 11px; color: #94b7aa; margin: 17px 0 0; }
.hero-note span { padding: 0 5px; }
.hero-graphic { min-width: 0; padding: 26px 24px 18px; border: 1px solid #9dd8bc32; border-radius: 24px; background: linear-gradient(140deg, #123c39ad, #032429d9); box-shadow: 0 24px 80px #001a2040, inset 0 1px #caffe80c; }
.graphic-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.tiny-label { font-size: 10px; color: #a5cbbc; letter-spacing: .055em; }
.orbit-badge { color: #b6e8d2; font-size: 10px; border: 1px solid #a3e5c632; padding: 5px 9px; border-radius: 100px; }
.orbit-title { margin: 18px 0 0; font-size: 25px; letter-spacing: -.035em; }
#orbit { display: block; width: 100%; height: 335px; touch-action: pan-y; cursor: grab; }
#orbit:active { cursor: grabbing; }
.orbit-legend { display: flex; justify-content: center; gap: 24px; font-size: 10px; color: #a8cdbf; }
#orbit-help { text-align: center; font-size: 10px; margin: 9px 0 18px; color: #a8cdbf; }
.orbit-controls { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; align-items: center; padding-top: 16px; border-top: 1px solid #b4efcd20; }
.orbit-controls label { grid-column: 1 / -1; font-size: 10px; color: #aed2c3; }
.orbit-controls select, .orbit-controls button { min-width: 0; border: 1px solid #a3e5c632; border-radius: 7px; background: #0b3435; color: #dbefe4; padding: 9px; font-size: 11px; }
#orbit-description { font-size: 12px; line-height: 1.6; min-height: 39px; margin: 15px 0 0; color: #cae1d5; }
.graphic-caption { font-size: 9px; text-align: center; color: #96b7ad; line-height: 1.6; margin: 14px 0 0; }
.graphic-caption a { text-decoration-color: #789e9055; }
.orbit-fallback { font-size: 13px; }
.harness-strip { border-top: 1px solid #b7e7cf20; }
.harness-strip .wrap { padding-block: 30px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.harness-strip span { max-width: 190px; font-size: 9px; letter-spacing: .12em; line-height: 1.7; color: #91b6a7; }
.harness-strip p { font-size: 19px; font-weight: 550; margin: 0; }
.harness-strip b { color: #638c80; font-size: 12px; padding: 0 20px; }
.section { padding-top: 112px; padding-bottom: 112px; scroll-margin-top: 20px; }
.section-heading { max-width: 750px; margin-bottom: 48px; }
.section-heading .eyebrow { color: #36745f; }
.section-heading > p:last-child { font-size: 17px; color: var(--muted); max-width: 605px; margin-bottom: 0; }
.graph-explorer { display: grid; grid-template-columns: .85fr 1.4fr; border: 1px solid var(--line); background: white; border-radius: 20px; overflow: hidden; box-shadow: 0 12px 36px #153a2c04; }
.node-list { padding: 30px; border-right: 1px solid var(--line); display: grid; gap: 9px; align-content: center; }
.node { display: flex; width: 100%; align-items: center; text-align: left; gap: 20px; border: 1px solid transparent; padding: 20px; border-radius: 9px; background: transparent; color: var(--ink); font-weight: 550; }
.node span { font-size: 11px; color: var(--muted); }
.node b { margin-left: auto; font-weight: 400; font-size: 13px; }
.node.active { background: #e2f5e9; border-color: #c0e4ce; }
.node:hover { border-color: #93c9b6; }
.node-detail { padding: 40px 48px; min-height: 355px; }
.tag { display: inline-block; font-size: 9px; letter-spacing: .1em; padding: 7px 10px; border-radius: 100px; background: #eef4ed; color: #38694f; margin-bottom: 22px; }
.node-detail h3 { font-size: 26px; }
.node-detail p { font-size: 14px; color: var(--muted); }
.node-detail code { display: block; padding: 14px 18px; line-height: 1.8; border-radius: 8px; background: #f2f6f0; }
.node-detail .small { font-size: 11px; margin: 13px 0 0; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 42px; margin-top: 55px; }
.features article { padding-right: 20px; }
.features p { font-size: 14px; color: var(--muted); margin-bottom: 0; }
.feature-icon { display: inline-flex; width: 46px; height: 46px; align-items: center; justify-content: center; background: #e8f0e5; border: 1px solid #d9e7d8; color: #267259; border-radius: 13px; font-size: 26px; margin-bottom: 22px; }
.learning-section { background: var(--dark); color: #edf8ef; }
.learning-section .section-heading .eyebrow { color: var(--green); }
.learning-section .section-heading > p:last-child { color: #b3cec0; }
.learning-steps { padding: 0; list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-bottom: 52px; }
.learning-steps li { border-top: 1px solid #b1dec12b; padding-top: 23px; }
.learning-steps span { font-size: 11px; color: var(--green); display: block; margin-bottom: 24px; }
.learning-steps p { font-size: 14px; color: #b3cec0; }
.evidence-panel { display: grid; grid-template-columns: 1.35fr 1fr; gap: 80px; padding: 36px; background: #0f3635; border: 1px solid #badcc220; border-radius: 16px; }
.evidence-panel .tag { background: #255044; color: #cae4c2; }
.evidence-panel p { font-size: 14px; color: #b3cec0; }
.evidence-panel .small { font-size: 11px; margin-bottom: 0; }
.scores { margin: 0; align-self: center; }
.scores div { display: grid; grid-template-columns: 1fr auto; margin-bottom: 24px; row-gap: 10px; }
.scores dt { font-size: 12px; }
.scores dd { margin: 0; font-size: 20px; }
.scores span { grid-column: 1 / -1; height: 4px; background: linear-gradient(to right, #7acdb0 var(--score), #254e45 var(--score)); border-radius: 4px; }
.scores .harm { color: #edbe9d; }
.scores .harm span { background: linear-gradient(to right, #edbe9d var(--score), #254e45 var(--score)); }
.prompt-card { display: flex; align-items: center; justify-content: space-between; gap: 48px; margin-top: 48px; }
.prompt-card > div { max-width: 580px; }
.prompt-card .eyebrow { color: var(--green); margin-bottom: 16px; }
.prompt-card p { font-size: 14px; color: #b3cec0; margin-bottom: 0; }
.light { flex-shrink: 0; }
.section-footnote { font-size: 12px; color: #a8c6b7; border-top: 1px solid #b1dec12b; padding-top: 27px; margin: 34px 0 0; }
.integration-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.command-card { min-width: 0; padding: 32px; background: #eaf1e7; border: 1px solid #d6e3d3; border-radius: 18px; }
.command-card label { display: block; font-size: 12px; font-weight: 650; margin-bottom: 10px; }
.command-card select, .command-card input { width: 100%; min-width: 0; padding: 15px; border: 1px solid #c9d9c6; border-radius: 8px; background: #fffefa; color: var(--ink); font-size: 14px; }
.command-card select { margin-bottom: 24px; }
.small { font-size: 12px; color: var(--muted); }
#path-note { font-size: 11px; margin-top: 12px; }
.command-output { display: flex; align-items: center; gap: 14px; background: var(--dark); color: #dff3e6; padding: 18px; border-radius: 9px; margin-top: 24px; }
.command-output code { flex: 1; min-width: 0; overflow-wrap: anywhere; line-height: 1.7; font-size: 13px; }
.command-output button { border: 1px solid #739d885a; border-radius: 6px; padding: 8px 11px; background: #245246; color: #e5f8e9; font-size: 12px; }
#command-status { margin: 14px 0 0; font-size: 11px; min-height: 36px; }
.integration-steps article { display: flex; gap: 21px; margin-bottom: 27px; }
.integration-steps article:last-child { margin-bottom: 0; }
.integration-steps article > span { display: flex; align-items: center; justify-content: center; flex-shrink: 0; width: 30px; height: 30px; border: 1px solid #bfd5c2; border-radius: 50%; font-size: 12px; }
.integration-steps h3 { font-size: 18px; margin: 3px 0 9px; }
.integration-steps p { font-size: 13px; color: var(--muted); margin-bottom: 0; }
.integration-steps pre { font-size: 13px; padding: 12px 15px; border: 1px solid var(--line); border-radius: 7px; margin-bottom: 0; }
.terminal-guide { margin-top: 40px; border-block: 1px solid var(--line); padding: 23px 0; }
.terminal-guide summary { font-size: 14px; font-weight: 550; }
.terminal-guide pre { padding: 18px; background: #eaf1e7; border-radius: 8px; }
.terminal-guide p { font-size: 13px; max-width: 820px; color: var(--muted); margin-bottom: 0; }
.research-section { background: #eaf0e6; }
.research-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.research-grid article { padding: 32px; border: 1px solid #d5e0cf; border-radius: 14px; background: #f8faf4; display: flex; align-items: flex-start; flex-direction: column; }
.research-grid .eyebrow { color: #467654; font-size: 10px; margin-bottom: 20px; }
.research-grid h3 { font-size: 25px; }
.research-grid p:not(.eyebrow) { font-size: 14px; color: var(--muted); }
.research-grid a { margin-top: auto; padding-top: 12px; font-size: 13px; text-decoration: none; border-bottom: 1px solid #a9c3ac; }
.research-grid a:hover { border-color: #1d6049; }
.research-status { display: block; font-size: 10px; color: #526f56; margin-top: 21px; }
.research-date { margin: 27px 0 0; font-size: 11px; }
.status-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; }
.status-section h2 { font-size: 42px; }
.status-list p { padding: 0 0 20px; margin-bottom: 22px; border-bottom: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.status-list p:last-child { margin-bottom: 0; }
.status-list strong { display: block; color: var(--ink); font-size: 14px; margin-bottom: 8px; }
.closing { text-align: center; padding-block: 76px; background: radial-gradient(ellipse at top, #185b4b, var(--dark)); color: #ecf7ed; border-radius: 24px; margin-bottom: 65px; }
.closing .eyebrow { color: #add6ba; }
.closing h2 { font-size: clamp(44px, 5vw, 68px); margin-bottom: 30px; }
footer { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-top: 24px; padding-bottom: 35px; }
footer .brand-mark { width: 47px; height: 47px; }
footer .brand { font-size: 23px; }
footer p, footer > a:last-child { font-size: 10px; color: var(--muted); margin: 0; }
footer p span { margin: 0 7px; }
@media (min-width: 1280px) { .closing { max-width: 1184px; } }
@media (max-width: 1100px) {
  .hero { gap: 30px; }
  h1 { font-size: 66px; }
  .harness-strip b { padding-inline: 10px; }
  .harness-strip p { font-size: 17px; }
  .integration-grid { gap: 36px; }
  .prompt-card { gap: 26px; }
}
@media (max-width: 900px) {
  .wrap { padding-inline: 32px; }
  .header.wrap { padding-inline: 32px; }
  nav { gap: 22px; }
  .hero { grid-template-columns: 1fr; padding-block: 56px; gap: 45px; }
  .hero-copy { max-width: 620px; }
  h1 { font-size: 80px; }
  .lead { max-width: 520px; }
  .hero-graphic { max-width: 650px; width: 100%; justify-self: center; }
  #orbit { height: 380px; }
  .harness-strip .wrap { flex-direction: column; gap: 16px; align-items: flex-start; }
  .harness-strip span { max-width: none; }
  .section { padding-block: 80px; }
  .node-list { padding: 18px; }
  .node { gap: 13px; padding: 18px 12px; }
  .node-detail { padding: 30px; }
  .features { gap: 25px; }
  .features article { padding-right: 0; }
  .learning-steps { grid-template-columns: repeat(2, 1fr); }
  .evidence-panel { gap: 34px; }
  .prompt-card { align-items: flex-start; flex-direction: column; }
  .integration-grid { grid-template-columns: 1fr; }
  .command-card { max-width: 640px; }
  .integration-steps { max-width: 640px; }
  .status-section { gap: 40px; }
  .closing { border-radius: 0; margin-bottom: 35px; }
  footer { flex-wrap: wrap; gap: 20px; }
}
@media (max-width: 600px) {
  .wrap { padding-inline: 24px; }
  .header.wrap { padding-inline: 24px; height: 84px; }
  .brand-mark { width: 44px; height: 44px; }
  .brand { gap: 5px; font-size: 25px; }
  /* Keep all section links available to keyboard and pointer users on small screens. */
  nav { gap: 12px; flex-wrap: wrap; justify-content: flex-end; max-width: 210px; font-size: 10px; }
  .nav-cta { padding: 7px 12px; }
  .hero { padding-block: 46px; gap: 35px; }
  h1 { font-size: clamp(48px, 12.6vw, 70px); }
  h2 { font-size: 40px; }
  .hero .eyebrow { font-size: 9px; letter-spacing: .08em; }
  .lead { font-size: 18px; }
  .actions { gap: 20px; }
  .hero-benefits { gap: 12px; font-size: 10px; }
  .hero-note { font-size: 10px; }
  .hero-graphic { padding: 20px 14px 16px; border-radius: 18px; }
  .tiny-label { font-size: 9px; }
  .orbit-badge { font-size: 9px; padding: 5px 7px; }
  .orbit-title { font-size: 23px; }
  #orbit { height: 300px; }
  .orbit-controls { grid-template-columns: 1fr 1fr; }
  .orbit-controls select { grid-column: 1 / -1; }
  .orbit-controls button { font-size: 11px; padding: 10px; }
  #orbit-description { min-height: 58px; }
  .graphic-caption { font-size: 8px; }
  .harness-strip .wrap { padding-block: 24px; }
  .harness-strip p { font-size: 14px; line-height: 2.1; }
  .harness-strip b { padding-inline: 7px; }
  .section { padding-block: 64px; }
  .section-heading { margin-bottom: 34px; }
  .section-heading > p:last-child { font-size: 15px; }
  .graph-explorer { grid-template-columns: 1fr; }
  .node-list { border-right: 0; border-bottom: 1px solid var(--line); padding: 15px; }
  .node { padding: 15px; }
  .node-detail { padding: 25px; min-height: 365px; }
  .node-detail h3 { font-size: 23px; }
  .features { grid-template-columns: 1fr; gap: 33px; margin-top: 38px; }
  .feature-icon { margin-bottom: 17px; }
  .learning-steps { gap: 24px; }
  .learning-steps p { font-size: 13px; }
  .evidence-panel { grid-template-columns: 1fr; gap: 28px; padding: 25px; }
  .scores div:last-child { margin-bottom: 0; }
  .prompt-card .button { white-space: normal; width: 100%; padding-inline: 16px; font-size: 12px; }
  .command-card { padding: 22px; }
  .command-card input { font-size: 12px; }
  .command-output { padding: 14px; gap: 10px; }
  .command-output code { font-size: 12px; }
  .research-grid { grid-template-columns: 1fr; }
  .research-grid article { padding: 26px; }
  .status-section { grid-template-columns: 1fr; gap: 24px; }
  .status-section h2 { font-size: 40px; }
  .closing { padding-block: 60px; }
  footer { flex-direction: column; align-items: flex-start; gap: 17px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}