:root {
  color-scheme: dark;
  --ink: #10120f;
  --paper: #f2f0e9;
  --lime: #d3fb69;
  --muted: #9c9e95;
  --line: rgba(242, 240, 233, .15);
  --mono: "DM Mono", monospace;
  --sans: "DM Sans", sans-serif;
  --display: "Space Grotesk", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 85px; }
body { margin: 0; background: var(--ink); color: var(--paper); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
::selection { color: var(--ink); background: var(--lime); }

.page-noise {
  position: fixed; inset: 0; z-index: 10; pointer-events: none; opacity: .13;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.92' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.16'/%3E%3C/svg%3E");
}
.site-header { height: 82px; padding: 0 7.2%; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); position: relative; z-index: 20; }
.brand { display: inline-flex; gap: 11px; align-items: center; font-family: var(--display); font-size: 19px; font-weight: 700; letter-spacing: -.8px; }
.brand-light { font-weight: 400; color: #b6b8ae; }
.brand-mark { width: 23px; height: 23px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 3px; transform: rotate(-8deg); }
.brand-mark span { display: block; border: 1.5px solid var(--lime); border-radius: 2px; }
.brand-mark span:nth-child(2) { background: var(--lime); }
.main-nav { display: flex; align-items: center; gap: 25px; color: #c4c6bc; font-size: 11px; }
.main-nav > a:not(.nav-cta) { transition: color .2s ease; }
.main-nav > a:not(.nav-cta):hover { color: var(--lime); }
.nav-cta { padding: 11px 14px; color: var(--ink); background: var(--lime); font-weight: 700; border-radius: 2px; transition: background .2s, transform .2s; }
.nav-cta:hover, .button-primary:hover { background: #e2ff9b; transform: translateY(-2px); }
.nav-cta span { padding-left: 9px; }
.menu-toggle { display: none; }

.hero { position: relative; min-height: 665px; padding: 82px 11.1% 83px; display: grid; grid-template-columns: 1fr .96fr; align-items: center; column-gap: 5.2%; overflow: hidden; }
.hero::before { content: ""; position: absolute; width: 660px; height: 660px; top: -150px; right: 3%; border-radius: 50%; background: radial-gradient(circle, rgba(174, 207, 97, .075), transparent 68%); pointer-events: none; }
.hero-copy { position: relative; z-index: 2; animation: rise-in .8s both; }
.eyebrow { margin: 0 0 27px; color: var(--lime); font: 10px var(--mono); letter-spacing: 1.4px; }
.status-dot, .live-label i { display: inline-block; width: 7px; height: 7px; background: var(--lime); border-radius: 50%; margin-right: 8px; animation: blink 2s infinite; }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { margin: 0; font: 600 clamp(45px, 5.45vw, 76px)/.99 var(--display); letter-spacing: -4px; }
.headline-accent { color: var(--lime); }
.headline-outline { color: transparent; -webkit-text-stroke: 1px rgba(242, 240, 233, .65); }
.hero-description { max-width: 425px; margin: 27px 0 27px; color: #aaa99f; font-size: 14px; line-height: 1.8; }
.hero-actions { display: flex; gap: 24px; align-items: center; }
.button { min-height: 49px; padding: 0 18px; display: inline-flex; align-items: center; justify-content: center; gap: 18px; font-size: 12px; font-weight: 700; transition: transform .2s, background .2s; }
.button-primary { color: var(--ink); background: var(--lime); }
.button-primary span { font-size: 16px; }
.text-link { font-size: 11px; color: #d1d1c9; }
.play-icon { display: inline-grid; place-items: center; width: 24px; height: 24px; margin-right: 7px; color: var(--lime); border: 1px solid rgba(211, 251, 105, .6); border-radius: 50%; font-size: 8px; transition: background .2s; }
.text-link:hover .play-icon { background: rgba(211, 251, 105, .13); }
.hero-proof { display: flex; align-items: center; gap: 14px; margin-top: 46px; }
.avatar-stack { display: flex; padding-left: 2px; }
.avatar-stack span { width: 26px; height: 26px; display: grid; place-items: center; margin-left: -3px; border: 2px solid var(--ink); border-radius: 50%; background: #696e60; color: #f2f0e9; font: 9px var(--mono); }
.avatar-stack span:nth-child(2) { background: #7d6151; }
.avatar-stack span:nth-child(3) { background: #606b79; }
.avatar-stack span:last-child { background: var(--lime); color: var(--ink); }
.hero-proof p { margin: 0; color: #85877f; font-size: 10px; line-height: 1.55; }
.hero-proof strong { color: #dedfd8; font-weight: 500; }

.hero-visual { position: relative; width: 100%; aspect-ratio: 1.08; min-height: 430px; max-height: 500px; border: 1px solid rgba(242, 240, 233, .16); background: radial-gradient(ellipse at 50% 49%, rgba(211, 251, 105, .065), transparent 58%), #141713; overflow: hidden; animation: rise-in .9s .15s both; }
.hero-visual::before, .hero-visual::after { content: ""; position: absolute; background: rgba(242, 240, 233, .045); }
.hero-visual::before { left: 50%; height: 100%; width: 1px; }
.hero-visual::after { top: 50%; width: 100%; height: 1px; }
.visual-topline { position: absolute; z-index: 2; top: 18px; left: 20px; right: 20px; display: flex; justify-content: space-between; color: #93958a; font: 9px var(--mono); letter-spacing: .8px; }
.live-label { color: var(--lime); }
.live-label i { width: 5px; height: 5px; margin-right: 5px; }
.orbit { position: absolute; z-index: 1; left: 50%; top: 50%; border: 1px solid rgba(211, 251, 105, .11); border-radius: 50%; transform: translate(-50%, -50%); }
.orbit-one { width: 39%; aspect-ratio: 1; }
.orbit-two { width: 67%; aspect-ratio: 1; border-style: dashed; animation: orbit 55s linear infinite; }
.orbit-three { width: 92%; aspect-ratio: 1; border-color: rgba(242, 240, 233, .075); }
.connection-lines { position: absolute; inset: 4% 2% 5%; width: 96%; height: 91%; z-index: 2; overflow: visible; }
.connection-lines path { stroke: rgba(211, 251, 105, .36); stroke-width: 1; }
.connection-lines .line-dash { stroke: rgba(242, 240, 233, .17); stroke-dasharray: 4 5; }
.data-node { position: absolute; z-index: 3; min-width: 114px; padding: 10px 12px; border: 1px solid rgba(242, 240, 233, .16); background: rgba(21, 24, 20, .92); box-shadow: 0 8px 24px #0b0c0b80; animation: float 5s ease-in-out infinite; }
.data-node strong, .data-node small { display: block; }
.data-node strong { margin: 4px 0 2px; font: 600 11px var(--display); }
.data-node small { color: #8d9085; font-size: 8px; }
.node-center { left: 50%; top: 50%; min-width: 138px; padding: 14px; transform: translate(-50%, -50%); border-color: rgba(211, 251, 105, .55); text-align: center; animation: pulse-glow 3s ease-in-out infinite; }
.node-center strong { font-size: 14px; }
.node-icon { display: block; color: var(--lime); font: 25px var(--sans); }
.node-label { color: var(--lime); font: 7px var(--mono); letter-spacing: .7px; }
.mini-icon { color: var(--lime); font-size: 14px; }
.node-one { left: 10%; top: 19%; animation-delay: -.6s; }
.node-two { right: 7%; top: 16%; animation-delay: -1.6s; }
.node-three { right: 6%; bottom: 20%; animation-delay: -2.4s; }
.node-four { left: 10%; bottom: 18%; animation-delay: -3.2s; }
.node-five { left: 40%; top: 7%; animation-delay: -1s; }
.scan-beam { position: absolute; z-index: 4; left: 0; right: 0; top: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--lime), transparent); box-shadow: 0 0 12px 1px rgba(211, 251, 105, .25); opacity: .45; animation: scan 7s ease-in-out infinite; }
.visual-caption { position: absolute; z-index: 3; left: 19px; right: 19px; bottom: 17px; display: flex; gap: 8px; align-items: center; color: #a4a69b; font: 8px var(--mono); letter-spacing: .5px; }
.caption-square { width: 6px; height: 6px; background: var(--lime); }
.caption-number { margin-left: auto; color: #71736b; }
.hero-index { position: absolute; top: 49%; left: 3.2%; transform: rotate(-90deg); transform-origin: left center; color: #77796f; font: 8px var(--mono); letter-spacing: 1px; }
.scroll-cue { position: absolute; right: 7.2%; bottom: 30px; display: flex; gap: 10px; align-items: center; color: #82847b; font: 8px var(--mono); letter-spacing: .7px; }
.scroll-cue span { width: 27px; height: 1px; background: var(--lime); animation: cue 1.6s infinite; }

.ticker { height: 58px; display: flex; align-items: center; overflow: hidden; background: var(--lime); color: var(--ink); }
.ticker-track { min-width: max-content; display: flex; align-items: center; gap: 38px; animation: ticker 30s linear infinite; font: 600 11px var(--mono); letter-spacing: 1px; }
.ticker-track i { font-style: normal; font-size: 15px; }

.section-wrap { width: min(1120px, 82%); margin: 0 auto; }
.learning-section { padding-top: 120px; padding-bottom: 117px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; margin-bottom: 49px; }
.section-count { display: inline-block; margin-right: 10px; color: #81847b; }
.section-heading h2, .method-copy h2, .ethics-copy h2 { margin: 0; font: 600 clamp(38px, 4vw, 52px)/1.08 var(--display); letter-spacing: -2.5px; }
.serif-accent { color: var(--lime); font-weight: 400; font-style: italic; }
.section-intro { width: 265px; margin: 0 0 5px; color: #96988e; font-size: 12px; line-height: 1.8; }
.course-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; }
.course-card { min-width: 0; padding: 16px; border: 1px solid rgba(242, 240, 233, .13); background: #151713; transition: border-color .25s, transform .3s, background .25s; }
.course-card:hover { border-color: rgba(211, 251, 105, .63); transform: translateY(-6px); background: #191c17; }
.card-top { height: 20px; display: flex; align-items: flex-start; justify-content: space-between; }
.course-tag, .course-meta { font: 8px var(--mono); letter-spacing: .7px; color: #a1a398; }
.card-arrow { color: var(--lime); transition: transform .25s; }
.course-card:hover .card-arrow { transform: translate(3px, -3px); }
.card-art { position: relative; height: 164px; margin: 8px 0 19px; overflow: hidden; background: #1c2119; }
.card-art::after { content: ""; position: absolute; inset: 0; background: linear-gradient(140deg, transparent 46%, rgba(211, 251, 105, .055)); }
.art-label { position: absolute; z-index: 2; bottom: 11px; left: 12px; color: #989b8c; font: 8px var(--mono); letter-spacing: .7px; }
.art-search { background-image: linear-gradient(rgba(242, 240, 233, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(242, 240, 233, .035) 1px, transparent 1px); background-size: 21px 21px; }
.search-ring { position: absolute; width: 98px; height: 98px; top: 50%; left: 50%; border: 1px solid var(--lime); border-radius: 50%; transform: translate(-50%, -50%); box-shadow: 0 0 35px rgba(211, 251, 105, .11), inset 0 0 30px rgba(211, 251, 105, .08); animation: pulse-ring 3s ease-out infinite; }
.search-ring::before, .search-ring::after { content: ""; position: absolute; background: rgba(211, 251, 105, .6); }
.search-ring::before { width: 130%; height: 1px; top: 50%; left: -15%; }
.search-ring::after { height: 130%; width: 1px; left: 50%; top: -15%; }
.search-cross { position: absolute; top: 50%; left: 50%; z-index: 1; color: var(--lime); font: 22px var(--sans); transform: translate(-50%, -50%); }
.art-map { background-color: #1b211a; background-image: linear-gradient(31deg, transparent 46%, rgba(211, 251, 105, .1) 47%, rgba(211, 251, 105, .1) 48%, transparent 49%), linear-gradient(149deg, transparent 60%, rgba(211, 251, 105, .08) 61%, rgba(211, 251, 105, .08) 62%, transparent 63%); }
.map-grid { position: absolute; inset: 0; opacity: .24; background-image: linear-gradient(rgba(220, 228, 200, .12) 1px, transparent 1px), linear-gradient(90deg, rgba(220, 228, 200, .12) 1px, transparent 1px); background-size: 27px 27px; transform: rotate(-11deg) scale(1.2); }
.map-pin { position: absolute; top: 45%; left: 54%; z-index: 1; color: var(--lime); font-size: 30px; text-shadow: 0 0 18px #d3fb69; animation: pin-bob 2s ease-in-out infinite; }
.map-ring { position: absolute; width: 64px; height: 64px; top: 47%; left: 56%; border: 1px solid rgba(211, 251, 105, .45); border-radius: 50%; animation: pulse-ring 2.5s ease-out infinite; }
.art-network { background-image: radial-gradient(rgba(211, 251, 105, .23) .7px, transparent .7px); background-size: 15px 15px; }
.network-node { position: absolute; z-index: 1; width: 9px; height: 9px; border: 1px solid var(--lime); border-radius: 50%; background: #1c2119; box-shadow: 0 0 13px rgba(211, 251, 105, .6); animation: pulse-glow 2.8s infinite; }
.network-node::after { content: ""; position: absolute; top: 3px; left: 6px; width: 50px; border-top: 1px solid rgba(211, 251, 105, .45); transform: rotate(30deg); transform-origin: left; }
.n1 { top: 30%; left: 24%; }.n2 { top: 58%; left: 39%; animation-delay: -.7s; }.n3 { top: 28%; left: 65%; animation-delay: -1.4s; }.n4 { top: 65%; left: 74%; animation-delay: -2s; }.n5 { top: 47%; left: 52%; width: 13px; height: 13px; background: var(--lime); }
.course-meta { margin: 0 0 9px; font-size: 7px; }
.course-meta span { margin: 0 4px; color: var(--lime); }
.course-info { display: flex; justify-content: space-between; align-items: start; }
.course-info h3 { margin: 0; font: 600 21px/1.12 var(--display); letter-spacing: -.5px; }
.course-index { color: #686b60; font: 10px var(--mono); }
.course-desc { min-height: 48px; margin: 14px 0 20px; color: #96988e; font-size: 10px; line-height: 1.7; }
.card-progress { height: 2px; background: #34372f; }
.card-progress span { display: block; width: 24%; height: 100%; background: var(--lime); transform: scaleX(0); transform-origin: left; transition: transform .35s; }
.course-card:hover .card-progress span { transform: scaleX(1); }
.section-footnote { margin: 26px 0 0; color: #7f8277; font-size: 10px; }
.section-footnote span { margin-right: 7px; color: var(--lime); }

.method-section { position: relative; overflow: hidden; background: var(--lime); color: var(--ink); }
.method-section::before { content: ""; position: absolute; width: 650px; height: 650px; right: -15%; top: -42%; border: 1px solid rgba(16, 18, 15, .12); border-radius: 50%; box-shadow: 0 0 0 50px rgba(16, 18, 15, .025), 0 0 0 100px rgba(16, 18, 15, .025); }
.method-inner { position: relative; z-index: 1; padding-top: 107px; padding-bottom: 100px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 10%; }
.method-copy .eyebrow { color: #37402a; }
.method-copy h2 { font-size: clamp(36px, 3.8vw, 49px); }
.method-copy .serif-accent, .ethics-copy .serif-accent { color: #586838; }
.method-copy > p:not(.eyebrow) { max-width: 365px; margin: 22px 0 24px; color: #47503b; font-size: 12px; line-height: 1.8; }
.button-dark { color: var(--paper); background: var(--ink); }
.button-dark:hover { background: #303629; transform: translateY(-2px); }
.step-item { display: grid; grid-template-columns: 40px 1fr 22px; gap: 15px; align-items: start; padding: 19px 0 18px; border-bottom: 1px solid rgba(16, 18, 15, .2); }
.step-item:first-child { border-top: 1px solid rgba(16, 18, 15, .2); }
.step-number { padding-top: 2px; color: #5a643f; font: 10px var(--mono); }
.step-item h3 { margin: 0 0 5px; font: 600 15px var(--display); letter-spacing: -.25px; }
.step-item p { max-width: 350px; margin: 0; color: #4b533f; font-size: 10px; line-height: 1.7; }
.step-symbol { color: #586838; font-size: 16px; transition: transform .2s; }
.step-item:hover .step-symbol { transform: translate(2px, -2px); }
.method-decoration { position: absolute; right: 3%; bottom: 15px; color: rgba(16, 18, 15, .24); font: 8px var(--mono); letter-spacing: 1px; }

.ethics-section { min-height: 420px; padding-top: 100px; padding-bottom: 100px; display: grid; grid-template-columns: .74fr 1.4fr .8fr; align-items: center; gap: 5%; }
.ethics-stamp { width: 145px; height: 145px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; border: 1px solid rgba(211, 251, 105, .48); border-radius: 50%; color: var(--lime); transform: rotate(-14deg); font: 8px var(--mono); letter-spacing: 1.4px; }
.ethics-stamp b { font-size: 28px; font-weight: 400; }
.ethics-copy h2 { font-size: clamp(33px, 3.5vw, 46px); }
.ethics-copy > p:not(.eyebrow) { max-width: 490px; margin: 18px 0; color: #9a9c92; font-size: 11px; line-height: 1.85; }
.ethics-link { display: inline-block; padding: 9px 0; color: var(--lime); }
.ethics-link span { padding-left: 8px; }
.ethics-aside { padding: 20px 0 20px 23px; border-left: 1px solid rgba(211, 251, 105, .42); }
.aside-mark { color: var(--lime); font: 49px/1 Georgia, serif; }
.ethics-aside p { margin: 9px 0 18px; font: italic 17px/1.45 var(--display); }
.aside-caption { color: #83867b; font: 7px var(--mono); letter-spacing: .7px; }

.site-footer { min-height: 82px; padding: 18px 7.2%; display: flex; align-items: center; gap: 28px; border-top: 1px solid var(--line); }
.footer-brand { font-size: 16px; }
.footer-brand .brand-mark { width: 19px; height: 19px; }
.site-footer > p { margin: 0 auto 0 0; color: #85877d; font-size: 10px; }
.back-top { color: #b6b8ae; font: 8px var(--mono); letter-spacing: .5px; }
.back-top span { margin-left: 7px; color: var(--lime); font-size: 13px; }
.footer-note { color: #6f7269; font: 7px var(--mono); letter-spacing: .4px; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s cubic-bezier(.2, .7, .2, 1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.course-card:nth-child(2) { transition-delay: .1s; }.course-card:nth-child(3) { transition-delay: .2s; }
.step-item:nth-child(2) { transition-delay: .08s; }.step-item:nth-child(3) { transition-delay: .16s; }.step-item:nth-child(4) { transition-delay: .24s; }

@keyframes rise-in { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -7px; } }
@keyframes pulse-glow { 0%, 100% { box-shadow: 0 8px 24px #0b0c0b80, 0 0 0 rgba(211, 251, 105, 0); } 50% { box-shadow: 0 8px 24px #0b0c0b80, 0 0 20px rgba(211, 251, 105, .12); } }
@keyframes pulse-ring { 0% { transform: translate(-50%, -50%) scale(.78); opacity: .85; } 100% { transform: translate(-50%, -50%) scale(1.32); opacity: 0; } }
@keyframes scan { 0% { top: 4%; opacity: 0; } 10% { opacity: .5; } 90% { opacity: .5; } 100% { top: 96%; opacity: 0; } }
@keyframes orbit { to { rotate: 360deg; } }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
@keyframes ticker { to { transform: translateX(-50%); } }
@keyframes cue { 0%, 100% { transform: scaleX(.65); transform-origin: right; } 50% { transform: scaleX(1); transform-origin: left; } }
@keyframes pin-bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }

@media (max-width: 1000px) {
  .site-header { padding: 0 5%; }
  .main-nav { gap: 13px; font-size: 9px; }
  .nav-cta { padding: 10px 11px; }
  .hero { padding-right: 7%; padding-left: 7%; column-gap: 3%; }
  .hero h1 { font-size: clamp(46px, 6vw, 66px); }
  .hero-visual { min-height: 370px; }
  .data-node { min-width: 100px; padding: 8px 9px; }
  .node-center { min-width: 125px; }
  .section-wrap { width: 88%; }
  .method-inner { gap: 6%; }
  .site-footer { padding-right: 5%; padding-left: 5%; }
}
@media (max-width: 720px) {
  html { scroll-padding-top: 70px; }
  .site-header { height: 69px; }
  .menu-toggle { width: 40px; height: 40px; display: grid; align-content: center; justify-items: center; gap: 6px; border: 1px solid var(--line); background: transparent; color: var(--paper); cursor: pointer; }
  .menu-toggle span { width: 16px; height: 1px; background: var(--lime); transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .main-nav { position: absolute; top: 68px; left: 0; right: 0; display: flex; flex-direction: column; align-items: stretch; gap: 0; padding: 0 6%; max-height: 0; overflow: hidden; background: #141713; transition: max-height .3s ease, padding .3s ease; }
  .main-nav.is-open { max-height: 300px; padding-top: 12px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
  .main-nav > a:not(.nav-cta) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav-cta { margin-top: 14px; text-align: center; }
  .hero { min-height: auto; padding: 68px 7% 76px; grid-template-columns: 1fr; gap: 42px; }
  .hero h1 { font-size: clamp(48px, 11vw, 70px); letter-spacing: -3px; }
  .hero-description { max-width: 460px; font-size: 13px; }
  .hero-proof { margin-top: 30px; }
  .hero-visual { width: min(100%, 520px); min-height: unset; aspect-ratio: 1.08; justify-self: center; }
  .hero-index { display: none; }
  .scroll-cue { right: 7%; bottom: 25px; }
  .ticker { height: 48px; }
  .ticker-track { gap: 25px; font-size: 9px; }
  .section-wrap { width: 86%; }
  .learning-section { padding-top: 82px; padding-bottom: 80px; }
  .section-heading { display: block; margin-bottom: 33px; }
  .section-heading h2, .method-copy h2 { font-size: clamp(38px, 9vw, 50px); }
  .section-intro { width: auto; max-width: 380px; margin-top: 19px; }
  .course-grid { grid-template-columns: 1fr; gap: 14px; }
  .course-card { padding: 15px; }
  .card-art { height: 190px; }
  .course-desc { min-height: 0; }
  .method-inner { padding-top: 80px; padding-bottom: 75px; grid-template-columns: 1fr; gap: 38px; }
  .method-copy > p:not(.eyebrow) { max-width: 450px; }
  .step-item { grid-template-columns: 30px 1fr 18px; gap: 10px; }
  .ethics-section { padding-top: 75px; padding-bottom: 75px; grid-template-columns: 75px 1fr; gap: 26px 18px; }
  .ethics-stamp { width: 72px; height: 72px; gap: 2px; font-size: 5px; letter-spacing: .7px; }
  .ethics-stamp b { font-size: 19px; }
  .ethics-copy { min-width: 0; }
  .ethics-copy .eyebrow { line-height: 1.7; }
  .ethics-copy h2 { font-size: clamp(30px, 7.2vw, 43px); letter-spacing: -1.8px; }
  .ethics-aside { grid-column: 2; }
  .site-footer { min-height: 105px; flex-wrap: wrap; gap: 12px 20px; }
  .site-footer > p { width: calc(100% - 180px); font-size: 9px; }
  .footer-note { margin-left: auto; }
}
@media (max-width: 390px) {
  .brand { font-size: 17px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 17px; }
  .hero-visual { min-height: 340px; aspect-ratio: .95; }
  .data-node { min-width: 89px; padding: 7px; }
  .data-node small { font-size: 7px; }
  .node-center { min-width: 116px; }
  .node-one { left: 5%; }.node-two { right: 4%; }.node-three { right: 3%; }.node-four { left: 4%; }
  .ethics-section { grid-template-columns: 1fr; }
  .ethics-stamp { display: none; }
  .ethics-aside { grid-column: 1; }
}

[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--lime); outline-offset: 4px; }
.main-nav a[aria-current="page"]:not(.nav-cta) { color: var(--lime); }
.inner-page { min-height: 65vh; }
.page-hero { position: relative; padding-top: 100px; padding-bottom: 82px; overflow: hidden; }
.page-hero::after { content: ""; position: absolute; z-index: -1; width: 420px; height: 420px; top: 0; right: -80px; border-radius: 50%; background: radial-gradient(circle, rgba(174, 207, 97, .09), transparent 68%); }
.page-hero .eyebrow { margin-bottom: 24px; }
.page-hero h1 { margin: 0; font: 600 clamp(54px, 7vw, 88px)/.98 var(--display); letter-spacing: -4px; }
.page-lead { max-width: 590px; margin: 24px 0 23px; color: #aaa99f; font-size: 14px; line-height: 1.8; }
.page-meta { display: flex; flex-wrap: wrap; gap: 12px; color: #85877d; font: 8px var(--mono); letter-spacing: .8px; }
.page-meta span:nth-child(even) { color: var(--lime); }
.course-index-nav { display: flex; flex-wrap: wrap; gap: 11px; padding-top: 21px; padding-bottom: 21px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.course-index-nav a { padding: 11px 15px; border: 1px solid rgba(242, 240, 233, .15); color: #c1c3ba; font-size: 11px; transition: border-color .2s, color .2s; }
.course-index-nav a:hover { border-color: var(--lime); color: var(--lime); }
.course-index-nav a span { margin-right: 9px; color: var(--lime); font: 9px var(--mono); }

.lesson-section { display: grid; grid-template-columns: .75fr 1.25fr; gap: 7%; padding-top: 77px; padding-bottom: 76px; border-bottom: 1px solid var(--line); scroll-margin-top: 30px; }
.lesson-heading { display: flex; align-items: flex-start; gap: 20px; }
.lesson-number { color: var(--lime); font: 12px var(--mono); }
.lesson-heading .eyebrow { margin-bottom: 15px; font-size: 8px; }
.lesson-heading h2 { margin: 0; font: 600 clamp(32px, 3.8vw, 46px)/1.08 var(--display); letter-spacing: -2px; }
.lesson-content { max-width: 650px; }
.lesson-intro { margin-bottom: 25px; color: #b6b8ae; font-size: 13px; line-height: 1.8; }
.lesson-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
.lesson-points article, .source-grid article { padding: 16px 14px; border: 1px solid rgba(242, 240, 233, .13); background: #151713; }
.lesson-points article > span { color: var(--lime); font: 8px var(--mono); letter-spacing: .6px; }
.lesson-points h3 { margin: 12px 0 7px; font: 600 13px/1.35 var(--display); }
.lesson-points article p, .source-grid article p { margin: 0; color: #96988e; font-size: 10px; line-height: 1.7; }
.lesson-callout { display: flex; gap: 13px; margin-top: 17px; padding: 16px; border-left: 2px solid var(--lime); background: rgba(211, 251, 105, .055); }
.callout-icon { color: var(--lime); }
.lesson-callout p { margin: 0; color: #b5b7ad; font-size: 10px; line-height: 1.7; }
.lesson-callout strong { display: block; margin-bottom: 3px; color: var(--paper); }
.lesson-steps { display: grid; gap: 0; }
.lesson-steps > div { display: grid; grid-template-columns: 29px 1fr; gap: 10px; padding: 12px 0; border-top: 1px solid var(--line); }
.lesson-steps > div > span { color: var(--lime); font: 10px var(--mono); }
.lesson-steps p { margin: 0; color: #9fa197; font-size: 11px; line-height: 1.7; }
.lesson-steps strong { color: var(--paper); font-weight: 600; }
.lesson-caution { margin: 17px 0 0; padding: 13px 15px; border: 1px solid rgba(211, 251, 105, .22); color: #c6c8bd; font-size: 10px; line-height: 1.7; }
.source-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.source-symbol { display: inline-grid; width: 25px; height: 25px; place-items: center; border: 1px solid rgba(211, 251, 105, .5); color: var(--lime); font: 10px var(--mono); }
.source-grid h3 { margin: 12px 0 7px; font: 600 13px var(--display); }
.quiz-section { padding-top: 70px; padding-bottom: 70px; }
.quiz-card { max-width: 780px; margin: 0 auto; padding: clamp(22px, 5vw, 42px); border: 1px solid rgba(211, 251, 105, .3); background: radial-gradient(ellipse at 100% 0, rgba(211, 251, 105, .07), transparent 55%), #151713; }
.quiz-card .eyebrow { margin-bottom: 13px; font-size: 8px; }
.quiz-card h2 { max-width: 600px; margin-bottom: 21px; font: 600 clamp(22px, 3vw, 32px)/1.2 var(--display); letter-spacing: -.8px; }
.quiz-option { display: flex; align-items: flex-start; gap: 11px; margin: 10px 0; padding: 13px; border: 1px solid rgba(242, 240, 233, .13); color: #b7b9af; font-size: 11px; line-height: 1.6; cursor: pointer; transition: border-color .2s; }
.quiz-option:hover { border-color: rgba(211, 251, 105, .5); }
.quiz-option input { margin-top: 3px; accent-color: var(--lime); }
.quiz-card .button { margin-top: 9px; border: 0; cursor: pointer; }
.quiz-feedback { min-height: 1.5em; margin: 14px 0 0; color: var(--lime); font-size: 11px; line-height: 1.7; }
.quiz-feedback.is-neutral { color: #e6c977; }
.next-step { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding-top: 35px; padding-bottom: 76px; }
.next-step .eyebrow { margin-bottom: 10px; font-size: 8px; }
.next-step h2 { margin-bottom: 8px; font: 600 clamp(23px, 3vw, 32px) var(--display); letter-spacing: -1px; }
.next-step > div > p:last-child { max-width: 560px; margin: 0; color: #999b91; font-size: 11px; line-height: 1.7; }
.next-step .button { flex-shrink: 0; }

.resource-section { padding-top: 32px; padding-bottom: 63px; }
.resource-toolbar { display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.resource-toolbar .eyebrow { margin-bottom: 10px; font-size: 8px; }
.resource-toolbar h2 { margin: 0; font: 600 clamp(30px, 4vw, 43px) var(--display); letter-spacing: -1.6px; }
.resource-search { width: min(330px, 100%); height: 46px; display: flex; align-items: center; gap: 10px; padding: 0 13px; border: 1px solid rgba(242, 240, 233, .2); color: var(--lime); }
.resource-search input { width: 100%; border: 0; outline: none; background: transparent; color: var(--paper); font: 11px var(--sans); }
.resource-search input::placeholder { color: #85877d; }
.resource-search:focus-within { border-color: var(--lime); }
.resource-count { margin: 20px 0 14px; color: #84867c; font: 8px var(--mono); }
.resource-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.resource-card { min-height: 250px; display: flex; flex-direction: column; padding: 17px; border: 1px solid rgba(242, 240, 233, .13); background: #151713; transition: border-color .2s, transform .2s; }
.resource-card:hover { border-color: rgba(211, 251, 105, .55); transform: translateY(-3px); }
.resource-card-top { display: flex; justify-content: space-between; }
.resource-category, .resource-number { color: #a1a398; font: 8px var(--mono); letter-spacing: .6px; }
.resource-number { color: #6d7065; }
.resource-icon { margin-top: 20px; color: var(--lime); font-size: 23px; }
.resource-card h3 { margin: 8px 0; font: 600 18px var(--display); }
.resource-card p { margin-bottom: 20px; color: #96988e; font-size: 10px; line-height: 1.7; }
.resource-card > a { display: flex; gap: 7px; align-items: center; margin-top: auto; color: var(--lime); font-size: 10px; }
.resource-card > a > span:first-child { transition: transform .2s; }
.resource-card > a:hover > span:first-child { transform: translate(2px, -2px); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.no-results { padding: 25px 0; color: #b5b7ad; font-size: 12px; }
.resource-note { display: flex; align-items: center; gap: 17px; margin-bottom: 80px; padding: 20px; border: 1px solid rgba(211, 251, 105, .25); background: rgba(211, 251, 105, .04); }
.note-symbol { width: 24px; height: 24px; flex: 0 0 24px; display: grid; place-items: center; border: 1px solid var(--lime); border-radius: 50%; color: var(--lime); font: 12px var(--mono); }
.resource-note h2 { margin: 0 0 5px; font: 600 15px var(--display); }
.resource-note p { max-width: 680px; margin: 0; color: #9fa197; font-size: 10px; line-height: 1.7; }
.resource-note > a { flex-shrink: 0; margin-left: auto; color: var(--lime); font-size: 10px; }
.resource-note > a span { margin-left: 5px; }

.manifesto { padding-top: 50px; padding-bottom: 100px; text-align: center; }
.manifesto .eyebrow { margin-bottom: 20px; }
.manifesto h2 { margin: 0; font: 600 clamp(36px, 5.2vw, 64px)/1.05 var(--display); letter-spacing: -3px; }
.manifesto > p:last-child { max-width: 620px; margin: 22px auto 0; color: #a1a398; font-size: 12px; line-height: 1.9; }
.principles-section { padding-top: 55px; padding-bottom: 92px; border-top: 1px solid var(--line); }
.principles-section .section-heading { margin-bottom: 32px; }
.principles-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 13px; }
.principle-card { min-height: 200px; padding: 17px; border: 1px solid rgba(242, 240, 233, .13); background: #151713; }
.principle-card > span { color: var(--lime); font: 9px var(--mono); }
.principle-card h3 { margin: 28px 0 8px; font: 600 15px var(--display); }
.principle-card p { margin: 0; color: #96988e; font-size: 10px; line-height: 1.75; }
.boundary-section { padding: 62px 0; background: var(--lime); color: var(--ink); }
.boundary-inner { display: grid; grid-template-columns: 1fr .8fr; align-items: center; gap: 10%; }
.boundary-inner .eyebrow { margin-bottom: 14px; color: #475238; }
.boundary-inner h2 { margin: 0; font: 600 clamp(34px, 4vw, 49px)/1.08 var(--display); letter-spacing: -2px; }
.boundary-inner h2 span { color: #596a37; font-style: italic; font-weight: 400; }
.boundary-inner > p { margin: 0; color: #46513a; font-size: 12px; line-height: 1.85; }

@media (max-width: 1000px) {
  .lesson-section { grid-template-columns: .7fr 1.3fr; gap: 4%; }
  .principles-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .page-hero { padding-top: 74px; padding-bottom: 57px; }
  .page-hero h1 { font-size: clamp(53px, 12vw, 76px); letter-spacing: -3px; }
  .page-lead { font-size: 12px; }
  .course-index-nav { gap: 7px; }
  .course-index-nav a { padding: 10px; font-size: 10px; }
  .lesson-section { grid-template-columns: 1fr; gap: 25px; padding-top: 52px; padding-bottom: 52px; }
  .lesson-heading { gap: 15px; }
  .lesson-heading h2 { font-size: 38px; }
  .lesson-points { grid-template-columns: 1fr; }
  .lesson-points article { padding: 15px; }
  .lesson-points h3 { margin-top: 8px; }
  .source-grid { grid-template-columns: 1fr; }
  .source-grid article { padding: 14px; }
  .quiz-section { padding-top: 48px; padding-bottom: 48px; }
  .next-step { align-items: flex-start; flex-direction: column; padding-bottom: 58px; }
  .resource-toolbar { align-items: stretch; flex-direction: column; }
  .resource-search { width: 100%; }
  .resource-grid { grid-template-columns: 1fr; }
  .resource-card { min-height: 218px; }
  .resource-note { align-items: flex-start; flex-wrap: wrap; margin-bottom: 55px; }
  .resource-note > div { flex: 1; min-width: 180px; }
  .resource-note > a { margin-left: 41px; }
  .manifesto { padding-top: 30px; padding-bottom: 67px; }
  .manifesto h2 { font-size: clamp(36px, 9.5vw, 54px); letter-spacing: -2px; }
  .principles-section { padding-top: 45px; padding-bottom: 60px; }
  .principles-grid { grid-template-columns: 1fr; }
  .principle-card { min-height: 0; }
  .principle-card h3 { margin-top: 15px; }
  .boundary-section { padding: 45px 0; }
  .boundary-inner { grid-template-columns: 1fr; gap: 20px; }
  .boundary-inner h2 { font-size: 39px; }
  .directory-grid { grid-template-columns: 1fr; }
  .site-directory { padding-top: 30px; padding-bottom: 60px; }
}
@media (max-width: 390px) {
  .course-index-nav a { width: 100%; }
  .page-meta { gap: 8px; font-size: 7px; }
}
.resource-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 21px; }
.filter-chip { min-height: 34px; padding: 0 13px; border: 1px solid rgba(242, 240, 233, .16); background: transparent; color: #aeb0a6; font: 9px var(--sans); cursor: pointer; transition: color .2s, border-color .2s, background .2s; }
.filter-chip:hover { border-color: rgba(211, 251, 105, .6); color: var(--paper); }
.filter-chip.is-active { border-color: var(--lime); background: rgba(211, 251, 105, .09); color: var(--lime); }
.resource-filters + .resource-count { margin-top: 16px; }
.workshop { padding-bottom: 48px; }
.scenario-card { position: relative; overflow: hidden; padding: clamp(24px, 5vw, 44px); border: 1px solid rgba(211, 251, 105, .3); background: radial-gradient(ellipse at 100% 0, rgba(211, 251, 105, .08), transparent 60%), #151713; }
.scenario-card .eyebrow { margin-bottom: 15px; font-size: 8px; }
.scenario-card h2 { max-width: 720px; margin: 0 0 13px; font: 600 clamp(25px, 3.8vw, 39px)/1.15 var(--display); letter-spacing: -1px; }
.scenario-card > p:not(.eyebrow) { max-width: 700px; margin: 0; color: #a3a59b; font-size: 12px; line-height: 1.8; }
.scenario-label { display: flex; align-items: center; gap: 8px; margin-top: 22px; color: #8d9085; font: 8px var(--mono); letter-spacing: .5px; }
.scenario-label span { width: 6px; height: 6px; border-radius: 50%; background: var(--lime); }
.workshop-layout { display: grid; grid-template-columns: 1.3fr .7fr; align-items: start; gap: 6%; padding-top: 41px; }
.workshop-step { display: grid; grid-template-columns: 42px 1fr; gap: 14px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.workshop-step:first-child { border-top: 1px solid var(--line); }
.workshop-number { color: var(--lime); font: 12px var(--mono); }
.workshop-step .eyebrow { margin: 0 0 7px; color: #96998e; font-size: 8px; }
.workshop-step h3 { margin: 0 0 8px; font: 600 18px var(--display); }
.workshop-step div > p:last-child { max-width: 600px; margin: 0; color: #9da095; font-size: 11px; line-height: 1.8; }
.field-notes { position: sticky; top: 24px; padding: 22px; border: 1px solid rgba(242, 240, 233, .15); background: #151713; }
.field-notes .eyebrow { margin-bottom: 9px; font-size: 8px; }
.field-notes h2 { margin: 0 0 6px; font: 600 24px var(--display); }
.field-notes-intro { margin: 0 0 16px; color: #97998f; font-size: 10px; }
.checklist { display: grid; gap: 11px; }
.checklist label { display: flex; align-items: flex-start; gap: 9px; color: #b7b9af; font-size: 10px; line-height: 1.6; cursor: pointer; }
.checklist input { flex: 0 0 auto; margin: 2px 0 0; accent-color: var(--lime); }
.checklist-progress { height: 3px; margin-top: 19px; background: #35382f; }
.checklist-progress span { display: block; width: 0; height: 100%; background: var(--lime); transition: width .25s ease; }
.checklist-count { margin: 8px 0 0; color: #85877d; font: 8px var(--mono); }
.practice-quiz { display: grid; grid-template-columns: .8fr 1.2fr; gap: 7%; padding-top: 34px; padding-bottom: 70px; border-top: 1px solid var(--line); }
.practice-quiz-copy .eyebrow { margin-bottom: 12px; font-size: 8px; }
.practice-quiz-copy h2 { margin: 0; font: 600 clamp(23px, 3vw, 33px)/1.2 var(--display); letter-spacing: -.8px; }
.practice-quiz > form .quiz-option:first-child { margin-top: 0; }
.practice-quiz > form .button { border: 0; cursor: pointer; }
.glossary-section { padding-top: 15px; padding-bottom: 75px; }
.glossary-search { width: min(460px, 100%); }
.glossary-list { margin: 0; border-top: 1px solid var(--line); }
.glossary-entry { position: relative; display: grid; grid-template-columns: minmax(170px, .42fr) 1fr; gap: 20px; align-items: baseline; padding: 18px 42px 18px 0; border-bottom: 1px solid var(--line); }
.glossary-entry dt { color: var(--paper); font: 600 14px var(--display); }
.glossary-entry dd { margin: 0; color: #a1a398; font-size: 11px; line-height: 1.75; }
.glossary-entry > span { position: absolute; top: 18px; right: 6px; color: #74776c; font: 9px var(--mono); }
.site-directory { padding-top: 40px; padding-bottom: 95px; border-top: 1px solid var(--line); }
.directory-heading { margin-bottom: 27px; }
.directory-heading .eyebrow { margin-bottom: 12px; }
.directory-heading h2 { margin: 0; font: 600 clamp(34px, 4vw, 46px)/1.08 var(--display); letter-spacing: -2px; }
.directory-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.directory-card { position: relative; min-height: 190px; padding: 18px; border: 1px solid rgba(242, 240, 233, .14); background: #151713; transition: border-color .2s, transform .2s; }
.directory-card:hover { border-color: rgba(211, 251, 105, .6); transform: translateY(-4px); }
.directory-card > span { color: var(--lime); font: 8px var(--mono); letter-spacing: .6px; }
.directory-card h3 { margin: 18px 0 8px; font: 600 18px/1.2 var(--display); }
.directory-card p { max-width: 290px; margin: 0; color: #999b91; font-size: 10px; line-height: 1.7; }
.directory-card b { position: absolute; top: 15px; right: 16px; color: var(--lime); font-size: 14px; font-weight: 400; transition: transform .2s; }
.directory-card:hover b { transform: translate(3px, -3px); }

@media (max-width: 1000px) {
  .workshop-layout { gap: 4%; }
  .field-notes { padding: 17px; }
  .directory-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .main-nav { gap: 0; font-size: 12px; }
  .workshop { padding-bottom: 28px; }
  .workshop-layout { grid-template-columns: 1fr; gap: 25px; padding-top: 25px; }
  .field-notes { position: static; }
  .workshop-step { grid-template-columns: 32px 1fr; gap: 9px; }
  .workshop-step h3 { font-size: 16px; }
  .practice-quiz { grid-template-columns: 1fr; gap: 22px; padding-bottom: 48px; }
  .glossary-section { padding-bottom: 55px; }
  .glossary-entry { grid-template-columns: 1fr; gap: 6px; padding: 15px 34px 15px 0; }
  .glossary-entry dt { font-size: 13px; }
  .glossary-entry dd { font-size: 10px; }
  .glossary-entry > span { top: 16px; }
}
.hero::before { animation: ambient-drift 14s ease-in-out infinite alternate; }
.hero-visual { background: radial-gradient(220px circle at var(--pointer-x, 50%) var(--pointer-y, 50%), rgba(211, 251, 105, .11), transparent 75%), radial-gradient(ellipse at 50% 49%, rgba(211, 251, 105, .065), transparent 58%), #141713; transition: background .2s ease; }
.headline-accent { background: linear-gradient(110deg, var(--lime) 20%, #f0ffc2 45%, var(--lime) 70%); background-size: 220% 100%; background-clip: text; -webkit-text-fill-color: transparent; animation: accent-shimmer 8s linear infinite; }
.button, .nav-cta { position: relative; overflow: hidden; }
.button-primary::after, .nav-cta::after { position: absolute; inset: 0; content: ""; background: linear-gradient(110deg, transparent 25%, rgba(255,255,255,.32) 48%, transparent 70%); transform: translateX(-120%); transition: transform .6s ease; }
.button-primary:hover::after, .nav-cta:hover::after { transform: translateX(120%); }
.resource-card, .glossary-entry { transition: opacity .55s ease, transform .55s cubic-bezier(.2,.7,.2,1), border-color .25s, background .25s; }
.resource-card:not(.is-visible), .glossary-entry:not(.is-visible) { opacity: 0; transform: translateY(14px); }
.resource-card.is-visible, .glossary-entry.is-visible { opacity: 1; transform: translateY(0); }
.resource-card.is-visible:hover { transform: translateY(-6px); }
.resource-card.is-visible { transition-delay: calc(var(--reveal-order, 0) * 55ms); }
.resource-card:nth-child(2) { --reveal-order: 1; }.resource-card:nth-child(3) { --reveal-order: 2; }.resource-card:nth-child(4) { --reveal-order: 3; }.resource-card:nth-child(5) { --reveal-order: 4; }.resource-card:nth-child(6) { --reveal-order: 5; }
.resource-card:nth-child(7) { --reveal-order: 1; }.resource-card:nth-child(8) { --reveal-order: 2; }.resource-card:nth-child(9) { --reveal-order: 3; }.resource-card:nth-child(10) { --reveal-order: 4; }.resource-card:nth-child(11) { --reveal-order: 5; }
.resource-card:nth-child(12) { --reveal-order: 1; }.resource-card:nth-child(13) { --reveal-order: 2; }.resource-card:nth-child(14) { --reveal-order: 3; }.resource-card:nth-child(15) { --reveal-order: 4; }.resource-card:nth-child(16) { --reveal-order: 5; }
.resource-card:nth-child(17) { --reveal-order: 1; }.resource-card:nth-child(18) { --reveal-order: 2; }.resource-card:nth-child(19) { --reveal-order: 3; }.resource-card:nth-child(20) { --reveal-order: 4; }.resource-card:nth-child(21) { --reveal-order: 5; }
.resource-card:nth-child(22) { --reveal-order: 1; }.resource-card:nth-child(23) { --reveal-order: 2; }.resource-card:nth-child(24) { --reveal-order: 3; }.resource-card:nth-child(25) { --reveal-order: 4; }.resource-card:nth-child(26) { --reveal-order: 5; }.resource-card:nth-child(27) { --reveal-order: 1; }.resource-card:nth-child(28) { --reveal-order: 2; }
.glossary-entry:hover { padding-left: 9px; border-bottom-color: rgba(211, 251, 105, .4); background: rgba(211, 251, 105, .025); }
.filter-chip { position: relative; overflow: hidden; }
.filter-chip.is-active { box-shadow: 0 0 22px rgba(211, 251, 105, .08); }
.exercise-dashboard { display: grid; grid-template-columns: auto 1fr 30px; gap: 20px; align-items: center; padding-top: 21px; padding-bottom: 21px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.exercise-dashboard .eyebrow { margin-bottom: 6px; font-size: 8px; }
.exercise-dashboard strong { font: 500 11px var(--mono); }
.exercise-dashboard-icon { color: var(--lime); font-size: 20px; animation: slow-spin 14s linear infinite; }
.exercise-progress-track { height: 4px; overflow: hidden; background: #30332b; }
.exercise-progress-track span { display: block; width: 0; height: 100%; background: var(--lime); box-shadow: 0 0 15px rgba(211, 251, 105, .45); transition: width .45s cubic-bezier(.2,.7,.2,1); }
.exercise-card { margin-top: 55px; margin-bottom: 25px; padding: clamp(20px, 4vw, 37px); border: 1px solid rgba(242, 240, 233, .14); background: radial-gradient(ellipse at 100% 0, rgba(211, 251, 105, .055), transparent 48%), #151713; }
.exercise-card:hover { border-color: rgba(211, 251, 105, .38); }
.exercise-card-heading { display: flex; align-items: center; gap: 17px; }
.exercise-index { color: var(--lime); font: 15px var(--mono); }
.exercise-card-heading .eyebrow { margin-bottom: 5px; font-size: 8px; }
.exercise-card-heading h2 { margin: 0; font: 600 clamp(23px, 3.2vw, 32px) var(--display); letter-spacing: -1px; }
.exercise-time { margin-left: auto; color: #85877d; font: 8px var(--mono); }
.exercise-scenario { margin: 22px 0; padding: 18px; border-left: 2px solid var(--lime); background: rgba(211, 251, 105, .045); }
.exercise-scenario > span { color: var(--lime); font: 8px var(--mono); letter-spacing: .7px; }
.exercise-scenario p { margin: 9px 0 0; color: #c2c4ba; font-size: 12px; line-height: 1.8; }
.exercise-body { display: grid; grid-template-columns: .62fr 1.38fr; gap: 6%; }
.exercise-hints h3 { margin: 0 0 7px; font: 600 15px var(--display); }
.exercise-hints p { margin: 0 0 10px; color: #9da095; font-size: 10px; line-height: 1.75; }
.exercise-hints > a { color: var(--lime); font-size: 9px; }
.exercise-hints > a span { padding-left: 5px; }
.exercise-quiz .quiz-option:first-child { margin-top: 0; }
.exercise-quiz .button { min-height: 41px; margin-top: 4px; border: 0; cursor: pointer; }
.exercise-quiz .quiz-feedback { margin-bottom: 0; }
.exercise-finish { padding-top: 45px; padding-bottom: 80px; text-align: center; }
.exercise-finish .eyebrow { margin-bottom: 13px; font-size: 8px; }
.exercise-finish h2 { margin: 0; font: 600 clamp(29px, 4vw, 43px) var(--display); letter-spacing: -1.5px; }
.exercise-finish > p:not(.eyebrow) { max-width: 660px; margin: 13px auto 22px; color: #9da095; font-size: 11px; line-height: 1.8; }
.question-stage { min-height: 410px; padding-top: 37px; padding-bottom: 20px; }
.question-status { padding: 45px 20px; color: #a4a69b; font-size: 12px; line-height: 1.7; text-align: center; }
.question-error { color: #ffc0aa; }
.storage-status-error { color: #ffc0aa !important; }
.question-card { max-width: 860px; margin: 0 auto; padding: clamp(22px, 4vw, 39px); border: 1px solid rgba(211, 251, 105, .31); background: radial-gradient(ellipse at 100% 0, rgba(211, 251, 105, .075), transparent 52%), #151713; animation: question-arrive .55s cubic-bezier(.2,.7,.2,1) both; }
.question-card-heading { display: flex; justify-content: space-between; align-items: center; gap: 15px; }
.question-category { color: var(--lime); font: 9px var(--mono); letter-spacing: 1px; text-transform: uppercase; }
.question-count { color: #81847b; font: 9px var(--mono); }
.question-title { margin: 19px 0 11px; font: 600 clamp(26px, 4vw, 38px)/1.14 var(--display); letter-spacing: -1.2px; }
.question-scenario { margin: 0; padding: 17px; border-left: 2px solid rgba(211, 251, 105, .7); background: rgba(211, 251, 105, .045); color: #b6b8ae; font-size: 12px; line-height: 1.8; }
.question-prompt { margin: 25px 0 13px; font: 600 14px var(--display); }
.question-options { display: grid; gap: 8px; }
.question-form .quiz-option { margin: 0; }
.question-form .button { margin-top: 17px; border: 0; cursor: pointer; }
.question-form .button:disabled, .text-button:disabled { opacity: .55; cursor: wait; }
.question-form .quiz-feedback { margin-bottom: 0; }
.question-controls { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 0; padding-bottom: 50px; border-bottom: 1px solid var(--line); }
.storage-status { margin: 0; color: #85877d; font-size: 9px; line-height: 1.65; }
.text-button { padding: 10px 0; border: 0; background: transparent; color: #c9cbbf; font: 9px var(--mono); text-decoration: underline; text-decoration-color: rgba(211, 251, 105, .4); text-underline-offset: 4px; cursor: pointer; transition: color .2s; }
.text-button:hover { color: var(--lime); }
.replay-question { display: block; margin-top: 7px; color: #aeb0a6; font-family: var(--sans); text-align: left; }
.question-complete { max-width: 860px; margin: 0 auto; padding: 52px 25px; border: 1px solid rgba(211, 251, 105, .35); background: #151713; text-align: center; animation: question-arrive .55s cubic-bezier(.2,.7,.2,1) both; }
.complete-mark { color: var(--lime); font-size: 26px; }
.question-complete .eyebrow { margin: 14px 0 10px; font-size: 8px; }
.question-complete h2 { margin: 0; font: 600 clamp(25px, 4vw, 36px) var(--display); }
.complete-description { max-width: 500px; margin: 12px auto 20px; color: #9da095; font-size: 11px; line-height: 1.8; }
.question-complete .button { border: 0; cursor: pointer; }
@keyframes question-arrive { from { opacity: 0; transform: translateY(14px) scale(.99); } to { opacity: 1; transform: translateY(0) scale(1); } }
.site-header { backdrop-filter: blur(14px); }
@keyframes ambient-drift { from { transform: translate3d(0, 0, 0) scale(.96); } to { transform: translate3d(-28px, 22px, 0) scale(1.05); } }
@keyframes accent-shimmer { to { background-position: 220% 0; } }
@keyframes slow-spin { to { rotate: 360deg; } }

@media (max-width: 1100px) {
  .menu-toggle { width: 40px; height: 40px; display: grid; align-content: center; justify-items: center; gap: 6px; border: 1px solid var(--line); background: transparent; color: var(--paper); cursor: pointer; }
  .menu-toggle span { width: 16px; height: 1px; background: var(--lime); transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .main-nav { position: absolute; top: 81px; left: 0; right: 0; display: flex; flex-direction: column; align-items: stretch; gap: 0; max-height: 0; overflow: hidden; padding: 0 6%; background: #141713; transition: max-height .3s ease, padding .3s ease; }
  .main-nav.is-open { max-height: 410px; padding-top: 12px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
  .main-nav > a:not(.nav-cta) { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 11px; }
  .main-nav .nav-cta { margin-top: 12px; text-align: center; }
}
@media (max-width: 720px) {
  .main-nav { top: 68px; }
  .exercise-card { margin-top: 34px; padding: 18px; }
  .exercise-body { grid-template-columns: 1fr; gap: 17px; }
  .exercise-dashboard { grid-template-columns: 1fr 30px; gap: 10px 15px; }
  .exercise-progress-track { grid-column: 1 / -1; grid-row: 2; }
  .exercise-dashboard-icon { grid-column: 2; grid-row: 1; }
  .exercise-card-heading { gap: 10px; }
  .exercise-scenario { padding: 14px; }
  .question-stage { min-height: 350px; padding-top: 25px; }
  .question-card { padding: 20px; }
  .question-controls { align-items: flex-start; flex-direction: column; gap: 9px; padding-bottom: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}