@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600&family=IBM+Plex+Mono:wght@400;500&display=swap');
:root{--bg:#2b2c2b;--fg:#f5f5ef;--muted:#b8b9b6;--blue:#94a3fc;--yellow:#fff183;--line:#747672;--mono:'IBM Plex Mono',monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--bg);color:var(--fg);font-family:'DM Sans',Arial,sans-serif}body:after{content:'';position:fixed;inset:0;pointer-events:none;z-index:10;opacity:.065;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%3Cpath fill='%23fff' filter='url(%23n)' opacity='.7' d='M0 0h180v180H0z'/%3E%3C/svg%3E")}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--yellow);outline-offset:5px}header,main,footer{max-width:1600px;margin:auto}header{margin:0 3.5%;max-width:none;height:96px;display:flex;align-items:center;border-bottom:1px solid var(--line);gap:48px;position:relative;z-index:2}.brand{font:500 27px var(--mono);letter-spacing:3px;display:flex;gap:18px;align-items:center}.brand-icon{color:var(--yellow);font-size:44px;line-height:1}header .brand{padding-right:48px;border-right:1px solid var(--line)}nav{display:flex;gap:44px;font:14px var(--mono)}nav a:hover,footer a:hover{color:var(--yellow)}.nav-cta{margin-left:auto}.button{border:1px solid transparent;padding:15px 24px;display:inline-flex;justify-content:center;align-items:center;gap:16px;font-size:18px;line-height:1.2;transition:background .2s,transform 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22px}.hero-description{font-size:clamp(20px,2.1vw,31px);color:var(--muted);margin:0}.actions{display:flex;gap:24px;margin-top:43px}.compat{display:flex;align-items:center;gap:24px;margin-top:38px}.platform{font-size:26px;display:flex;align-items:center;gap:10px}.platform svg{width:35px;height:35px}.claude{color:#d98c69}.compat i{height:30px;width:1px;background:var(--muted)}.compat .eyebrow{margin-right:4px}.beam{position:absolute;inset:0;background:#8796ed33;z-index:-1;pointer-events:none}.beam-one{clip-path:polygon(77% 15%,15% 0,58% 0)}.beam-two{clip-path:polygon(77% 15%,0 91%,44% 100%)}#beacon{position:absolute;inset:0;width:100%;height:100%;z-index:0}.hero-caption{position:absolute;bottom:23px;left:0;font-size:10px;letter-spacing:2px;color:var(--muted)}section:not(.hero){padding:54px 0 64px;border-bottom:1px solid var(--line)}h2,h3,p{margin-top:0}h2{font-size:40px;letter-spacing:-1.4px;font-weight:450;line-height:1.12}h3{font-size:24px;font-weight:450;letter-spacing:-.5px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px}.section-heading .eyebrow{color:var(--muted)}.intro-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:16px}.intro-grid>a{display:flex;gap:22px;padding:0 24px;border-right:1px solid var(--line)}.intro-grid>a:first-child{padding-left:0}.intro-grid>a:last-child{border:0;padding-right:0}.index{color:var(--yellow);font:16px var(--mono)}.intro-grid h3{font-size:23px;margin:0 0 18px}.intro-grid h3 span{float:right;margin-left:35px}.intro-grid p{font:12px/1.8 var(--mono);color:var(--muted);margin:0}.intro-grid>a:hover h3{color:var(--yellow)}.large{font-size:clamp(40px,5vw,66px);margin-bottom:18px;letter-spacing:-2px}.library{scroll-margin-top:20px}.library>.eyebrow{margin-bottom:25px}.lead{font-size:21px;color:var(--muted);line-height:1.5}.library-mark{font-size:88px;color:var(--blue);line-height:1}.filters{display:flex;gap:25px;margin:38px 0}.search{display:flex;align-items:center;gap:16px;border:1px solid var(--line);padding:10px 16px;flex:1;max-width:490px}.search>span{font-size:30px;line-height:1}.search input{min-width:0;width:100%;background:none;border:none;outline:none;color:white;font:14px var(--mono);padding:5px}.tabs{display:flex;gap:10px;flex-wrap:wrap}.tabs button{background:none;border:1px solid var(--line);color:var(--fg);padding:10px 19px}.tabs button.active{background:var(--yellow);border-color:var(--yellow);color:var(--bg)}.catalog{display:grid;grid-template-columns:1.6fr 1fr;gap:20px;align-items:start}.skill-row{display:grid;width:100%;grid-template-columns:30px 1fr 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/* Reference composition: 1536 × 1024, with real HTML over the decorative artwork. */
body{background:#353638 url('assets/beacon-background.png') center top / 100% auto no-repeat}body:after{opacity:.025}header,main,footer{max-width:none}header{margin:0 3.125%;height:4.6875vw;gap:3.58vw}.brand{font-size:1.82vw;gap:1.2vw;letter-spacing:.22vw}.brand-icon{display:inline-flex;align-items:center;justify-content:center;width:2.8vw;height:2.8vw;font-size:0;background:url('assets/glyph-mark.svg?v=2') center/contain no-repeat}header .brand{border-right:1px solid #b6b6b7;padding-right:4.4vw}nav{display:flex;gap:3.6vw;font-size:1.17vw}nav a:nth-child(2){display:block}.nav-cta{display:inline-flex}header .button{font-size:1.3vw;padding:.48vw 1.04vw}main{padding:0 3.125%}.hero{height:42.7083vw;min-height:0;max-height:none;overflow:visible;border-color:#cacbcd}.hero-content{padding-top:4.55vw}.hero .eyebrow{font-size:1.04vw;letter-spacing:.16vw;margin:0 0 2.25vw}.hero h1{font-size:5.2vw;font-weight:450;letter-spacing:-.23vw;line-height:1.035;margin:0 0 1.5vw;max-width:none}.hero-description{font-size:2.08vw;line-height:1.3;max-width:none;color:#c5c5c7}.actions{gap:1.95vw;margin-top:2.8vw}.hero .button{font-size:1.56vw;padding:.88vw 1.69vw;line-height:1.2}.hero .actions .yellow{min-width:15.75vw}.hero .outline{min-width:18.03vw}.compat{gap:2.6vw;margin-top:2.4vw}.compat .eyebrow{font-size:1.17vw;letter-spacing:.12vw;margin:0 .2vw 0 0}.platform{font-size:1.95vw;gap:.72vw}.platform svg{width:2.6vw;height:2.6vw}.compat i{height:2.4vw}.hero-caption,.beam,#beacon{display:none}section.specialties{height:19.3vw;padding:2.45vw 0 3.7vw;border-bottom:0}.specialties h2{font-size:3.25vw;letter-spacing:-.1vw;margin:0 0 2.4vw}.specialties .section-heading>.eyebrow{display:none}.intro-grid{grid-template-columns:repeat(3,1fr);margin:0;gap:0}.intro-grid>a,.intro-grid>a:first-child,.intro-grid>a:last-child{padding:0 2.4vw;gap:2.4vw;border:0;border-right:1px solid #b6b6b7}.intro-grid>a:first-child{padding-left:.5vw}.intro-grid>a:last-child{padding-right:0;border:0}.intro-grid>a>div{width:100%}.intro-grid .index{font-size:1.43vw;padding-top:.5vw}.intro-grid h3{font-size:1.95vw;margin:0 0 .9vw;white-space:nowrap;letter-spacing:-.04vw}.intro-grid h3 span{margin-left:.6vw}.intro-grid p{font-size:1.04vw;line-height:1.6;color:#e1e1e2}.intro-grid p br{display:initial}.library{background:#353638}.library>.eyebrow{font-size:12px}.library .catalog{grid-template-columns:1.6fr 1fr}.library .filters{flex-direction:row}.library .search{max-width:490px}.library .skill-row{grid-template-columns:35px 1fr 20px}.library .skill-row strong{font-size:22px}.library .skill-row small{font-size:12px}.library .library-mark{display:block}.library .tabs button{flex:initial}.library .large{font-size:64px}.specialties+.library{padding-top:65px;border-top:1px solid var(--line)}
@media(min-width:560px) and (max-width:1000px){.library .large{font-size:4.3vw}.library .lead{font-size:2.1vw}.library .eyebrow{font-size:1.1vw}.library .filters{gap:1.5vw;margin:2.5vw 0}.library .search{max-width:36vw;padding:.6vw 1vw}.library .search input{font-size:1.3vw}.library .tabs{gap:.6vw}.library .tabs button{font-size:1.3vw;padding:.8vw 1vw}.library .catalog{gap:1.2vw}.library .skill-row{min-height:6vw;padding:1vw;gap:.7vw;grid-template-columns:2.3vw 1fr 1.5vw}.library .skill-row strong{font-size:1.8vw}.library .skill-row small{font-size:1vw}.library .index{font-size:1.4vw}#detail{padding:1.8vw;min-height:0;position:static}#detail h3{font-size:2.4vw}#detail p{font-size:1.3vw}#detail li{font-size:1vw;padding:.8vw 0}#detail .tags{gap:.6vw;margin-bottom:1.8vw}#detail .tags span{font-size:.8vw;padding:.4vw}#detail .button{font-size:1.2vw;padding:1vw}#detail .small-link{font-size:1vw}.library .note{font-size:1vw}.specialties+.library{padding-top:4.2vw}.library-mark{font-size:6vw}.library .section-heading{margin-bottom:0}.library .search>span{font-size:2vw}.library .tabs{flex-wrap:nowrap}.catalog #detail ul{margin-bottom:1.8vw}.library{padding-bottom:4vw!important}}
@media(max-width:559px){body{background-size:auto 720px;background-position:62% 0}header{height:70px;gap:20px;margin:0 5%}.brand{font-size:22px;gap:10px;letter-spacing:2px}.brand-icon{width:30px;height:30px}header .brand{border:0;padding:0}nav{font-size:12px;gap:20px}nav a:nth-child(2),.nav-cta{display:none}main{padding:0 5%}.hero{height:650px;overflow:hidden}.hero-content{padding-top:40px}.hero .eyebrow{font-size:9px;letter-spacing:1.5px;margin-bottom:28px}.hero h1{font-size:43px;letter-spacing:-2px;line-height:1.06;margin-bottom:22px}.hero-description{font-size:18px;max-width:280px}.actions{gap:12px;margin-top:28px}.hero .button{font-size:13px;padding:13px 15px}.compat{gap:18px;margin-top:28px}.compat .eyebrow{font-size:9px;margin:0;letter-spacing:1px}.platform{font-size:19px;gap:7px}.platform svg{width:25px;height:25px}.compat i{height:25px}section.specialties{height:auto;padding:30px 0}.specialties h2{font-size:30px;letter-spacing:-1px;margin-bottom:22px}.intro-grid{grid-template-columns:1fr}.intro-grid>a,.intro-grid>a:first-child,.intro-grid>a:last-child{padding:20px 0;border:0;border-bottom:1px solid var(--line);gap:20px}.intro-grid .index{font-size:16px}.intro-grid h3{font-size:23px;margin-bottom:10px}.intro-grid p{font-size:12px}.intro-grid p br{display:none}.library .catalog{grid-template-columns:1fr}.library .filters{flex-direction:column}.library .large{font-size:42px}.library .tabs button{flex:1}.library .skill-row strong{font-size:20px}.library .skill-row small{font-size:11px}.specialties+.library{padding-top:35px}footer .brand{font-size:18px}}
@media(min-width:560px){nav{margin-left:0}.skill-row>span:nth-child(2){display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:15px}.skill-row small{margin:0}.library .skill-row strong{font-size:clamp(12px,1.65vw,25px)}.library .skill-row small{font-size:clamp(7px,1vw,15px)}.library .skill-row{min-height:5.2vw}.library .library-mark{margin-right:2vw}.library .catalog{grid-template-columns:1.56fr 1fr}.library #detail{top:20px}.library .large{font-weight:450}.library .skill-row.selected{background:#929fee60}}
/* The illustration is stationary; only the two light cones revolve. */
body{background-image:url('assets/beacon-unlit.png');position:relative;isolation:isolate}
.lighthouse-light{position:absolute;inset:0 0 auto;height:47.3958vw;overflow:hidden;pointer-events:none;z-index:0;contain:paint}
.light-rotor{position:absolute;width:240vw;height:240vw;left:calc(78.125vw - 120vw);top:calc(11.71875vw - 120vw);background:conic-gradient(from 0deg,transparent 0deg 58deg,rgba(128,147,255,.26) 58deg,rgba(128,147,255,.38) 78deg,transparent 78deg 238deg,rgba(128,147,255,.26) 238deg,rgba(128,147,255,.38) 258deg,transparent 258deg);transform-origin:50% 50%;animation:beacon-revolution 18s linear infinite;will-change:transform;mix-blend-mode:screen}
header,main,footer{position:relative;z-index:1}
@keyframes beacon-revolution{from{transform:rotate(0turn)}to{transform:rotate(1turn)}}
@media(max-width:559px){.lighthouse-light{height:720px}.light-rotor{left:calc(62vw + 174.15px - 120vw);top:calc(126.5625px - 120vw)}}
@media(prefers-reduced-motion:reduce){.light-rotor{animation:none;will-change:auto}}
/* Preserve text metrics and accessibility while the beam decodes each glyph. */
.scan-word{white-space:nowrap;display:inline-block}.scan-char{position:relative;display:inline-block}.scan-char.is-lit{color:transparent!important}.scan-char.is-lit::after{content:attr(data-glyph);position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#d9ddff;font-family:var(--mono);font-size:.74em;font-weight:400;letter-spacing:0;line-height:1;pointer-events:none}.scan-char.is-lit.pixel::after{background:#93a4ff;color:#31364b}.scan-char.is-lit.spark::after{background:#fff183;color:#343638}.scan-char.is-lit.dot::after{color:#a8b6ff;font-size:.9em}
@media(prefers-reduced-motion:reduce){.scan-char.is-lit{color:inherit!important}.scan-char.is-lit::after{display:none}}
.hero .button{display:inline-block;text-align:center}
/* Lower-page composition from the approved white / graphite / blue design. */
.process-light,.closing-light{--paper:#f6f5f2;background:var(--paper);color:#292b2a;margin-inline:-3.333333%;padding:5.2vw 3.6vw 6vw!important;border:0!important}
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/* Library reference: orbital illustration, editorial rows, paired actions. */
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@media(max-width:559px){.library>.eyebrow{font-size:9px;margin-bottom:20px}.library .large{font-size:42px;letter-spacing:-1.5px}.library .lead{font-size:17px;max-width:80%}.library-orbit{width:90px;top:16px;right:-15px;opacity:.6}.library:before{height:230px}.library .filters{gap:14px;margin:25px 0}.library .search{width:100%;padding:10px 14px}.library .search input{font-size:14px}.library .search>span{font-size:25px}.library .tabs{gap:7px}.library .tabs button{font-size:12px;padding:10px 8px}.library .catalog{grid-template-columns:1fr;gap:20px}.library .skill-row{grid-template-columns:10px 26px 1fr 22px;gap:10px;min-height:78px;padding:14px 8px}.library .skill-row strong{font-size:19px}.library .skill-row small{font-size:10px;grid-column:3;grid-row:2}.library .skill-row .index{font-size:15px}.selection-dot{width:7px;height:7px}.row-arrow{font-size:22px}.library #detail{padding:22px}.detail-orbit{width:100px;right:10px;top:10px;opacity:.55}.library #detail .tags{gap:12px;margin-bottom:25px}.library #detail .tags span{font-size:11px;padding:4px 10px}.library #detail h3{font-size:29px}.library #detail>p:not(.download-status){font-size:16px;max-width:90%;margin:16px 0 24px}.library #detail>.eyebrow{font-size:11px}.library #detail li{font-size:12px;padding:12px 0}.library #detail ul{margin:10px 0 25px}.detail-actions{gap:12px}.library #detail .detail-actions .button{font-size:13px;padding:14px 8px}.library #detail .small-link{font-size:10px;margin:16px auto 0}.library-bottom{margin-top:30px;padding-top:22px;gap:15px}.library-bottom>span{font-size:9px;white-space:normal}.glyph-trail{font-size:14px;height:30px}.specialties+.library{padding-top:35px}}
/* Library globe rotates on its own, without light cones. */
.library::before{display:none}
.library-orbit img{animation:library-orbit-spin 24s linear infinite;transform-origin:center}
@keyframes library-orbit-spin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.library-orbit img{animation:none}}
/* Chapter-based scrolling: native snapping preserves touch and keyboard access. */
html{scroll-snap-type:y mandatory;scroll-padding-top:0}
header{scroll-snap-align:start;scroll-snap-stop:always}
#skills,#how,#docs,.closing-light{scroll-snap-align:start;scroll-snap-stop:always;min-height:100svh;box-sizing:border-box}
#skills{scroll-margin-top:0;display:flex;flex-direction:column;justify-content:center}
#skills .library-bottom{flex-shrink:0}
#how{display:flex;flex-direction:column;justify-content:center}
#docs{align-content:center}
.closing-light{display:flex;flex-direction:column;justify-content:center}
.closing-panel{min-height:58svh}
@media(max-width:559px){html{scroll-snap-type:y proximity}#skills,#how,#docs,.closing-light{min-height:100svh}.closing-panel{min-height:58svh}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Free scrolling and a persistent navigation, following the new reference. */
html{scroll-snap-type:none;scroll-padding-top:90px;scroll-behavior:smooth}
header{position:sticky;top:0;z-index:20;background:#303132ed;backdrop-filter:blur(14px);scroll-snap-align:none;min-height:60px}
#skills,#how,#docs,.closing-light{scroll-snap-align:none;scroll-snap-stop:normal;min-height:0;scroll-margin-top:20px}
#skills{display:block;padding:5vw 0 4vw}.closing-panel{min-height:390px}
.library .filters,.library .library-orbit{display:none}
.library .catalog{grid-template-columns:30% 1fr;gap:2vw;margin-top:3.8vw;align-items:stretch}
.library .skill-row{grid-template-columns:3.8vw 1fr 1vw;gap:1.2vw;padding:1.5vw 1.25vw;min-height:5.3vw}
.library .skill-row .index{grid-column:1;grid-row:1;border-right:1px solid #a4a6a9;font-size:1.6vw;color:#f3f3ef}
.library .skill-row strong{grid-column:2;grid-row:1;font-size:1.9vw;font-weight:450}
.library .skill-row .selection-dot{grid-column:3;grid-row:1}
.library .skill-row .row-arrow,.library .skill-row small{display:none}
.library .skill-row.selected{background:#8192ef;color:white}.library .skill-row.selected .index{color:#202633;border-color:#30364e}
.library #detail{border:0;border-left:1px solid #939595;padding:0 1vw 0 2.4vw;display:flex;flex-direction:column;justify-content:flex-start}
.workbench-title{display:flex;align-items:center;gap:2vw;flex-wrap:wrap}.library #detail .workbench-title h3{font-size:3.25vw;line-height:1.1;font-weight:550;letter-spacing:-.1vw;margin:0}.library #detail .tags{margin:0;gap:1vw}.library #detail .tags span{font-size:1.1vw;padding:.3vw .7vw}
.research-machine{width:100%;margin:1.5vw 0 1.9vw;aspect-ratio:900/330}.research-machine object{display:block;width:100%;height:100%;pointer-events:none}
.library #detail>p.workbench-description{max-width:none;font-size:1.8vw;line-height:1.4;color:#eee;margin:0 0 1.7vw}
.library #detail .detail-actions{gap:1.5vw;justify-content:flex-start}.library #detail .detail-actions .button{width:auto;flex:initial;font-size:1.6vw;padding:1.1vw 2vw}
.library #detail .small-link{font-size:.7vw;margin:1vw 0 0;text-align:left;align-self:flex-start;opacity:.65}
.library-bottom .glyph-trail{display:none}.library-bottom:after{content:'02 / 05';margin-left:auto;font:1.1vw var(--mono);letter-spacing:.12vw}
@media(max-width:559px){html{scroll-padding-top:76px}header{min-height:70px}#skills{padding:40px 0}.library .catalog{grid-template-columns:1fr;gap:28px;margin-top:30px}.library .skill-row{grid-template-columns:40px 1fr 10px;gap:15px;padding:16px;min-height:62px}.library .skill-row .index{font-size:16px}.library .skill-row strong{font-size:19px}.library #detail{border:0;border-top:1px solid #939595;padding:25px 0}.library #detail .workbench-title h3{font-size:30px}.workbench-title{gap:15px}.library #detail .tags span{font-size:10px;padding:4px 7px}.research-machine{margin:25px 0}.library #detail>p.workbench-description{font-size:17px;margin-bottom:22px}.library #detail .detail-actions .button{font-size:14px;padding:14px 18px}.library #detail .detail-actions{gap:12px}.library #detail .small-link{font-size:10px;margin-top:16px}.library-bottom:after{font-size:10px}.closing-panel{min-height:340px}}
/* Reserve a clear lane above the decorative baseline. */
.hero .compat{margin-top:1.4vw;position:relative;width:max-content;padding:.4vw .5vw .6vw 0;background:linear-gradient(90deg,#353638 0%,#353638ee 90%,transparent);z-index:3}
.research-machine{aspect-ratio:900/380}
@media(max-width:559px){.hero .compat{margin-top:25px;padding:8px 12px 10px 0}}
/* Detailed instrument-style scenes share a stable stage and readable spacing. */
.research-machine{aspect-ratio:900/410;margin:1.8vw 0 1.8vw}
.research-machine object{border-radius:6px}
@media(max-width:559px){.research-machine{margin:22px 0;min-width:0}}
.docs-full-link{display:inline-block;color:var(--yellow);font:12px var(--mono);margin-bottom:22px}
@media(max-width:700px){header{gap:12px}header .nav-cta{display:inline-flex!important;font-size:11px;padding:10px 12px;white-space:nowrap}header nav{gap:12px;margin-left:auto}header nav a:first-child,header nav a:nth-child(2){display:none}}
.decode-char{position:relative;display:inline-block;white-space:pre}.decode-char.decoding{color:transparent}.decode-char.decoding:after{content:attr(data-digit);position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:.8em;color:#34364b;background:#9aabff}.nav-cta{white-space:nowrap}

/* Legal navigation */
footer .legal-links{display:flex;gap:18px;flex-wrap:wrap;font-size:11px}footer .legal-links a:hover{text-decoration:underline}footer{flex-wrap:wrap}