/* Hiyu Atlas — original interface graphics, no runtime dependencies. */
:root {
  --ink:#080f18; --panel:#0d1824; --panel-hi:#112331; --text:#f1f5f7;
  --muted:#9caebb; --line:#253844; --cyan:#79e1e6; --amber:#edb278;
  --sans:Inter,"Helvetica Neue",Arial,"Hiragino Kaku Gothic ProN","Noto Sans JP","Noto Sans CJK JP",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --gutter:clamp(22px,4.5vw,72px); color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;background:var(--ink);color:var(--text);font-family:var(--sans);line-height:1.8;-webkit-font-smoothing:antialiased}
[hidden]{display:none!important}
a{color:inherit}button{font:inherit;cursor:pointer}button:disabled{cursor:default}button,a{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible{outline:2px solid var(--cyan);outline-offset:5px}
button{touch-action:manipulation}
h1,h2,h3,p{margin:0}h1,h2,h3{text-wrap:balance;word-break:auto-phrase}em{font-style:normal}
svg{display:block;flex:none}::selection{background:var(--cyan);color:var(--ink)}
.wrap{width:100%;max-width:1440px;padding-inline:var(--gutter);margin-inline:auto}
.svg-defs{position:absolute;width:0;height:0;overflow:hidden}
.skip-link{position:fixed;left:16px;top:-80px;z-index:100;background:var(--cyan);color:var(--ink);padding:10px 18px}
.skip-link:focus{top:12px}
.page-progress{position:fixed;top:0;left:0;height:2px;width:100%;background:var(--cyan);transform:scaleX(0);transform-origin:left;z-index:60;pointer-events:none}
.site-header{min-height:90px;display:flex;align-items:center;gap:28px;border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none}
.brand svg{width:35px;height:28px;color:var(--cyan)}
.brand span{font-size:34px;font-weight:750;letter-spacing:-1.8px;line-height:1}
.site-header nav{display:flex;gap:32px;margin-left:auto}
.site-header nav a{font-size:12px;text-decoration:none;color:#ccd6db;min-height:44px;display:flex;align-items:center}
.site-header nav a:hover{color:var(--cyan)}
.motion-control{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:transparent;border-radius:30px;color:var(--muted);font-size:10px;padding:8px 13px;min-height:38px;white-space:nowrap}
.motion-symbol{color:var(--cyan);font-size:12px}
.eyebrow{font:10px/1.5 var(--mono);letter-spacing:.14em;color:var(--cyan)}
.tiny-cross{display:inline-block;font-size:19px;vertical-align:-2px;margin-right:9px}
.hero{padding-top:78px;padding-bottom:28px;display:grid;grid-template-columns:1fr 1fr;column-gap:36px;align-items:center;overflow:hidden;position:relative}
.hero-copy{position:relative;z-index:2}
.hero h1{font-size:clamp(48px,5.05vw,76px);font-weight:720;line-height:1.2;letter-spacing:-.045em;margin:27px 0 27px}
.hero h1 em{color:var(--cyan)}
.hero-lead{font-size:14px;color:#b7c6ce;line-height:2}
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:22px;margin-top:32px}
.button{display:inline-flex;gap:26px;align-items:center;justify-content:space-between;min-height:54px;padding:14px 20px;font-size:12px;font-weight:650;text-decoration:none;border-radius:3px;transition:transform .22s,background .22s}
.button svg{width:22px;height:22px}
.primary{background:var(--cyan);color:#071b23;box-shadow:0 0 30px #79e1e60b}
.primary:hover{background:#a4f0f1;transform:translateY(-2px)}
.quiet-link{display:inline-flex;align-items:center;gap:18px;min-height:44px;font-size:12px;text-decoration:none}
.quiet-link:hover{color:var(--cyan)}
.hero-footnote{margin-top:24px;font-size:10px;color:#8ba1af;letter-spacing:.12em}
.hero-bottom{grid-column:1/-1;display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:24px;margin-top:72px;color:#91a8b8;font:9px/1.7 var(--mono);letter-spacing:.1em}
.hero-bottom a{text-decoration:none}.hero-bottom a span{margin-left:14px}
.hero-visual{position:relative;width:100%;aspect-ratio:600/580;isolation:isolate;min-width:0}
.hero-visual::before{content:"";position:absolute;inset:5% -20% -10%;z-index:-2;background:radial-gradient(ellipse at 50% 45%,#22708323,transparent 58%)}
.visual-grid{position:absolute;inset:0;z-index:-1;background-image:linear-gradient(#79e1e609 1px,transparent 1px),linear-gradient(90deg,#79e1e609 1px,transparent 1px);background-size:42px 42px;mask-image:radial-gradient(ellipse,#000 30%,transparent 75%)}
.visual-coordinate{position:absolute;color:#748c9d;font:8px var(--mono);letter-spacing:.09em}
.top-left{top:1%;left:1%}.top-right{top:1%;right:1%}.bottom-left{bottom:0;left:1%}.bottom-right{bottom:0;right:1%}
.flow-lines{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.contours{stroke:#487389;stroke-width:.65;opacity:.22}
.flow-routes{stroke:#59869a;stroke-width:1;opacity:.65}
.flow-packets{stroke:var(--cyan);stroke-width:2;stroke-dasharray:12 290;filter:drop-shadow(0 0 3px #79e1e688)}
.motion-ready .flow-packets path{animation:packet 4s linear infinite}
.motion-ready .flow-packets path:nth-child(2){animation-delay:-1.2s}
.motion-ready .flow-packets path:nth-child(3){animation-delay:-2s}
.motion-ready .flow-packets path:nth-child(4){animation-delay:-3.1s}
.intent-node{position:absolute;top:10%;left:50%;transform:translateX(-50%);width:76%;padding:17px 20px;border:1px solid #426274;background:linear-gradient(100deg,#122330,#0e1a25);box-shadow:0 16px 40px #0003;border-radius:4px}
.node-label{display:block;font:8px var(--mono);letter-spacing:.15em;color:var(--amber);margin-bottom:6px}
.intent-node strong{font-size:14px;font-weight:500}
.node-cursor{position:absolute;right:20px;bottom:20px;width:5px;height:14px;background:var(--cyan)}
.hiyu-node{position:absolute;top:36%;left:50%;transform:translateX(-50%);display:grid;grid-template-columns:auto auto;align-items:center;justify-content:center;gap:0 13px;width:58%;padding:21px 8px;background:#0e212e;border:1px solid #76dbe47a;border-radius:5px;box-shadow:0 0 55px #58cfe31b,inset 0 0 20px #62d6e109}
.hiyu-node>svg{width:34px;height:30px;color:var(--cyan)}
.hiyu-node strong{font-size:45px;font-weight:650;letter-spacing:-2px;line-height:1}
.hiyu-node>span{grid-column:1/-1;font:7px var(--mono);letter-spacing:.13em;text-align:center;color:#8bb4c3;margin-top:12px}
.node-halo{position:absolute;inset:-8px;border:1px solid #43718333;border-radius:8px;pointer-events:none}
.execution-nodes{position:absolute;top:62%;left:4%;right:4%;display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.execution-nodes>div{display:grid;justify-items:start;padding:13px;border:1px solid #304c5d;background:#0d1b28f2;border-radius:3px}
.mini-icon{font-size:20px;color:var(--cyan);line-height:1;margin-bottom:9px}
.execution-nodes strong{font-size:12px;font-weight:550;white-space:nowrap}
.execution-nodes small{font-size:9px;color:var(--muted);margin-top:2px}
.outcome-node{position:absolute;top:88%;left:50%;transform:translateX(-50%);width:86%;display:flex;align-items:center;gap:9px;font-size:11px;color:#cbdae1;padding:10px 14px;border-top:1px solid #466070;background:#0b1722}
.outcome-dot{width:5px;height:5px;border-radius:50%;background:var(--amber)}
.outcome-node svg{width:17px;height:17px;color:var(--amber);margin-left:auto}
.capability-band{margin-top:24px;border-block:1px solid var(--line);background:#0c1621}
.capability-band>.wrap{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-block:26px}
.capability-band p{font-size:11px;color:var(--muted);line-height:1.8}
.capability-band strong{font-weight:500;color:#d7e0e5}
.capability-items{display:flex;align-items:center;gap:35px;font:13px var(--mono);color:#d0dce2}
.capability-items i{font-style:normal;font-size:16px;color:#466e80}
.section-space{padding-top:105px;padding-bottom:108px}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:44px}
.section-heading .eyebrow{margin-bottom:22px}
h2{font-size:clamp(32px,3.5vw,50px);font-weight:600;letter-spacing:-.035em;line-height:1.45}
.section-heading h2 em{color:#9bb6c7}
.section-heading>p{font-size:13px;color:var(--muted);line-height:2;max-width:330px;padding-bottom:8px}
.mission-console{border:1px solid #395061;border-radius:6px;background:#0d1824;box-shadow:0 25px 70px #0002;overflow:hidden}
.console-top{padding:16px 25px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}
.console-top>span:first-child{font:9px var(--mono);letter-spacing:.1em;color:#b5c9d6;display:flex;align-items:center;gap:10px}
.small-light{width:5px;height:5px;border-radius:50%;background:var(--cyan)}
.sample-tag{font-size:9px;color:var(--amber);border:1px solid #6a5140;background:#3b2d221f;border-radius:3px;padding:3px 8px;white-space:nowrap}
.mission-request{display:flex;align-items:center;gap:15px;padding:24px 28px;background:#111f2c;border-bottom:1px solid var(--line)}
.request-avatar{width:38px;height:38px;display:grid;place-items:center;border:1px solid #596878;border-radius:50%;font:13px var(--mono);color:#d2dce2}
.mission-request>div:last-child>span{font:8px var(--mono);color:var(--muted);letter-spacing:.1em}
.mission-request p{font-size:15px;margin-top:4px}
.mission-layout{display:grid;grid-template-columns:290px 1fr}
.step-list{padding:26px 22px;border-right:1px solid var(--line);display:grid;gap:8px;align-content:start}
.flow-step{display:flex;align-items:center;text-align:left;gap:15px;background:transparent;border:1px solid transparent;border-radius:3px;color:#b4c5cf;padding:18px 16px;min-height:74px;transition:background .25s,border-color .25s}
.flow-step>span{font:12px var(--mono);color:#7795a7}
.flow-step>div{display:grid;gap:4px}
.flow-step strong{font-size:14px;font-weight:500}
.flow-step small{font:8px var(--mono);letter-spacing:.12em;color:#7892a3}
.flow-step[aria-pressed="true"] small{color:#a2bfce}
.flow-step i{font-style:normal;margin-left:auto;color:#5c798d;font-size:16px}
.flow-step[aria-pressed="true"]{background:#16303e;border-color:#5d9eac;color:#e5fcfd}
.flow-step[aria-pressed="true"]>span,.flow-step[aria-pressed="true"] i{color:var(--cyan)}
.flow-step:hover{background:#162633}
.mission-stage{padding:29px 34px 30px;min-height:420px;position:relative;background:radial-gradient(ellipse at 70% 70%,#1b4b5d1c,transparent 65%)}
.stage-heading{display:flex;justify-content:space-between;align-items:center;font:9px var(--mono);color:#90abbc;letter-spacing:.06em}
.stage-state{font:10px var(--sans);color:var(--cyan)}
.mission-stage h3{font-size:24px;letter-spacing:-.02em;font-weight:550;margin:23px 0 9px}
.mission-stage>p{font-size:12px;color:var(--muted);line-height:1.9;max-width:560px;min-height:46px}
.stage-art{margin-top:24px;min-height:188px}
.goal-sheet{border:1px solid #365161;background:#101f2c;max-width:540px;margin:auto;padding:17px 20px;box-shadow:8px 8px 0 #17314335}
.goal-sheet>span{font:8px var(--mono);letter-spacing:.15em;color:#83a5b9;display:block;margin-bottom:10px}
.goal-sheet>div{display:flex;gap:20px;align-items:center;border-top:1px solid #2a414f;padding-top:8px;margin-top:8px}
.goal-sheet small{font-size:11px;color:var(--muted);min-width:36px}
.goal-sheet strong{font-size:12px;font-weight:500}
.task-branches{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding-top:30px}
.task-branches::before{content:"";position:absolute;top:0;left:16%;right:16%;height:28px;border:1px solid #567c8d;border-bottom:0}
.task-branches>div{position:relative;background:#102332;border:1px solid #426071;padding:16px 13px;border-radius:3px}
.task-branches>div:nth-child(2)::before{content:"";position:absolute;height:30px;width:1px;background:#567c8d;left:50%;top:-30px}
.task-branches span{display:block;font:8px var(--mono);color:var(--cyan);margin-bottom:16px}
.task-branches strong{font-size:15px;font-weight:500;display:block}.task-branches small{font-size:10px;color:var(--muted);display:block;margin-top:5px}
.verification-list{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.verification-list li{display:flex;align-items:center;gap:13px;padding:10px 15px;border:1px solid #355c62;background:#11282d;font-size:12px}
.verification-list svg{width:17px;height:17px;color:var(--cyan)}
.verification-list small{margin-left:auto;color:#81b5b8;font-size:9px}
.verification-footnote{font-size:10px;color:var(--amber);margin-top:12px}
.artifact-card{display:grid;grid-template-columns:140px 1fr;gap:24px;align-items:center;border:1px solid #4e7181;background:#132734;padding:18px}
.artifact-thumbnail{aspect-ratio:1.4;background:#c6dcde;color:#102c36;border-radius:2px;padding:16px}
.artifact-thumbnail span{display:block;width:30px;height:3px;background:#577d84;margin-bottom:16px}
.artifact-thumbnail strong{font-size:15px;line-height:1.4;display:block}
.artifact-info>span{font:8px var(--mono);color:var(--amber);letter-spacing:.1em}
.artifact-info h4{margin:6px 0 12px;font-size:15px;font-weight:500}
.artifact-open{border:0;background:var(--cyan);color:#07232c;padding:10px 13px;font-size:11px;border-radius:2px;min-height:42px}
.artifact-open:hover{background:#adf2f1}
.console-bottom{border-top:1px solid var(--line);padding:16px 25px;display:flex;justify-content:space-between;align-items:center;gap:24px}
.console-bottom p{font-size:10px;color:#8da3b2;max-width:600px}
.play-button{background:transparent;border:1px solid #496376;padding:9px 14px;font-size:11px;color:var(--text);border-radius:3px;white-space:nowrap;min-height:42px}
.play-button span{color:var(--cyan);margin-right:6px}.play-button:hover{background:#183444}
.noscript-note{font-size:12px;color:var(--muted);margin-top:15px}
.architecture{background:#e6ecee;color:#142b36;padding-block:95px;position:relative;color-scheme:light}
.architecture .eyebrow{color:#346271}
.architecture-layout{display:grid;grid-template-columns:1fr 1fr;gap:95px;align-items:center}
.architecture h2{font-size:clamp(34px,3.65vw,52px)}
.architecture h2 em{color:#487786}
.architecture-copy>p:not(.eyebrow){color:#506572;font-size:14px;line-height:2.1;margin:25px 0}
.architecture-copy .eyebrow{margin-bottom:25px}
.architecture .quiet-link:hover{color:#245c6c}
.layer-block{border:1px solid #aabdc5;padding:21px 24px;background:#eff3f4;border-radius:4px}
.layer-label{font:8px var(--mono);letter-spacing:.12em;color:#517080}
.business-layer{text-align:center}
.business-layer h3{font-size:19px;font-weight:550;margin:10px 0 7px}
.business-layer p{font-size:12px;color:#52707c}.business-layer b{font-weight:400;margin:0 7px}
.layer-links{display:flex;justify-content:space-around;padding-inline:15%;height:26px}
.layer-links i{width:1px;height:100%;background:#779eac;position:relative}
.layer-links i::after{content:"";position:absolute;left:-2px;top:10px;background:#416f80;width:5px;height:5px;border-radius:50%}
.execution-layer{background:#142f3b;color:#e9f4f5;border-color:#366272;box-shadow:0 12px 30px #193a491a}
.layer-brand{display:flex;align-items:center;gap:10px}
.layer-brand svg{width:29px;height:23px;color:#9be8e7}
.layer-brand strong{font-size:32px;letter-spacing:-1.8px;font-weight:650;line-height:1}
.layer-brand>span{font:8px var(--mono);letter-spacing:.1em;color:#a4cad2;margin-left:auto}
.execution-layer ul{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:21px 0 17px;padding:0}
.execution-layer li{border:1px solid #496472;padding:10px 12px;font-size:12px;color:#d9eaed}
.asset-line{font-size:10px;color:#a3d3da;border-top:1px solid #385663;padding-top:13px}
.asset-line span{margin-right:8px;color:#9ce6e6}
.infra-layer{text-align:center;padding:18px 18px 13px}
.infra-options{display:flex;gap:7px;margin-top:15px}
.infra-options button{flex:1;min-width:0;min-height:43px;padding:8px 3px;background:transparent;color:#355565;border:1px solid #b2c5cd;font:10px var(--mono);border-radius:2px}
.infra-options button[aria-pressed="true"]{background:#285668;color:#fff;border-color:#285668}
.infra-options button:hover{border-color:#31566a}
.architecture button:focus-visible,.architecture a:focus-visible{outline-color:#245a6c}
.infra-layer>p{font-size:10px;color:#466778;margin-top:13px;min-height:36px}
.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.principle{padding:25px 34px 15px;border-left:1px solid var(--line)}
.principle:first-child{padding-left:0;border-left:0}.principle:last-child{padding-right:0}
.principle-index{font:9px var(--mono);color:#85a4b9;letter-spacing:.1em}
.principle h3{font-size:22px;font-weight:550;line-height:1.65;letter-spacing:-.02em;margin:20px 0 16px}
.principle p{font-size:13px;color:var(--muted);line-height:2}
.choice-art,.control-art,.evidence-art{height:145px;margin:20px 0 10px;position:relative}
.choice-art{display:flex;gap:25px;align-items:flex-start;justify-content:center;padding-top:10px}
.choice-art>span{width:47px;height:40px;border:1px solid #5d7b8d;display:grid;place-items:center;font:15px var(--mono);color:var(--cyan);background:#14222f}
.choice-art i{font-style:normal;color:#7b9bb0;line-height:40px}
.choice-art>div{position:absolute;top:50px;left:25%;right:25%;height:28px;border:1px solid #55768a;border-top:0}
.choice-art b{position:absolute;top:94px;left:50%;transform:translateX(-50%);font-size:27px;font-weight:550;letter-spacing:-1.3px}
.choice-art>div::after{content:"";position:absolute;top:28px;left:50%;height:17px;width:1px;background:#55768a}
.control-art{display:grid;gap:13px;align-content:center;padding:15px 10px}
.control-art>div{display:flex;align-items:center;gap:18px}.control-art span{font:8px var(--mono);color:#8aa5b8;width:80px}
.control-art i{display:block;height:2px;background:#335062;position:relative;flex:1}
.control-art i::after{content:"";position:absolute;left:65%;top:-5px;width:8px;height:12px;background:var(--cyan);border-radius:2px}
.control-art>div:nth-child(2) i::after{left:35%;background:var(--amber)}
.control-art>div:nth-child(3) i::after{left:80%}
.evidence-art{display:flex;align-items:center;justify-content:center;gap:9px;flex-wrap:wrap}
.evidence-art span{padding:10px 8px;border:1px solid #4c6778;font:8px var(--mono);color:#bdd0db}
.evidence-art i{width:15px;height:1px;background:#4c6778}
.evidence-art b{font:9px var(--mono);color:var(--cyan)}
.horizon{border-top:1px solid var(--line);padding-top:45px;padding-bottom:60px;display:grid;grid-template-columns:1fr 1.4fr;gap:45px;align-items:center}
.horizon .eyebrow{font-size:8px;color:#7d9cae}
.horizon h2{font-size:26px;line-height:1.7;margin-top:16px}
.horizon ol{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:25px;padding:0;margin:0}
.horizon li{border-top:1px solid #446578;padding-top:15px;position:relative}
.horizon li::before{content:"";position:absolute;top:-3px;left:0;width:5px;height:5px;background:var(--cyan)}
.horizon li>span{display:block;font:8px var(--mono);color:#8ca8ba;letter-spacing:.1em}
.horizon li strong{display:block;font-size:14px;font-weight:500;margin:12px 0 5px}.horizon li p{font-size:10px;color:var(--muted)}
.closing{position:relative;overflow:hidden;isolation:isolate;padding-block:88px;background:linear-gradient(115deg,#112c3c,#0c202d 60%,#102c3a);border-block:1px solid #355060}
.closing .eyebrow{margin-bottom:28px}
.closing h2{font-size:clamp(46px,6.2vw,86px);font-weight:600;line-height:1.4;letter-spacing:-.04em}
.closing h2 em{color:var(--cyan)}
.closing-lines{position:absolute;width:900px;height:900px;right:-120px;top:-120px;z-index:-1;border:1px solid #5a9db44d;transform:rotate(-35deg);border-radius:50%;box-shadow:0 0 0 32px #5a9db409,0 0 0 64px #5a9db40b,0 0 0 96px #5a9db40d,0 0 0 128px #5a9db40a}
.closing-lines::after{content:"";position:absolute;inset:160px;border:1px solid #5a9db433;border-radius:50%}
.closing-bottom{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-top:36px}
.closing-bottom p{font-size:13px;color:#adc9d6;line-height:1.9}
.site-footer{display:flex;flex-wrap:wrap;align-items:center;gap:35px;padding-top:38px;padding-bottom:27px}
.site-footer .brand span{font-size:28px}.site-footer .brand svg{width:29px}
.footer-links{display:flex;gap:30px;margin-left:auto}.footer-links a{font-size:11px;color:#b1c6d3;text-decoration:none}
.footer-links a:hover{color:var(--cyan)}
.footer-bottom{flex-basis:100%;display:flex;justify-content:space-between;gap:25px;border-top:1px solid var(--line);padding-top:22px;font-size:9px;color:#8fa6b5}
.footer-bottom>span{white-space:nowrap}
dialog{padding:0;border:1px solid #5e7d8e;border-radius:6px;max-width:620px;width:calc(100% - 32px);max-height:90dvh;background:#0d1b28;color:var(--text);box-shadow:0 30px 100px #0008}
dialog::backdrop{background:#030911c9;backdrop-filter:blur(8px)}
.dialog-top{display:flex;justify-content:space-between;align-items:center;padding:10px 18px;border-bottom:1px solid var(--line);font:9px var(--mono);letter-spacing:.1em;color:var(--amber)}
.dialog-close{width:42px;height:42px;background:transparent;border:0;color:#d7e9f2;font-size:25px}
.sample-site{margin:20px;padding:40px;background:#dce7df;color:#213a36}
.sample-brand{font:9px var(--mono);letter-spacing:.1em}.sample-site h2{font-size:38px;margin:28px 0 18px;line-height:1.4}.sample-site>p{font-size:12px;color:#405e55}
.sample-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:30px}.sample-cards>div{border-top:1px solid #93aea1;padding-top:14px;font:10px var(--mono);color:#3e6150}.sample-cards strong{display:block;font:14px var(--sans);margin-top:8px;color:#274738}
.dialog-note{font-size:10px;color:var(--muted);padding:0 20px 20px}
body:has(dialog[open]){overflow:hidden}
.reveal-ready .reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.reveal-ready .reveal.is-visible{opacity:1;transform:none}
.motion-ready .stage-art.is-entering{animation:stage-in .4s ease both}
.motion-paused *, .motion-paused *::before, .motion-paused *::after{animation:none!important;transition:none!important}
.motion-paused .reveal{opacity:1;transform:none}
html:has(.motion-paused){scroll-behavior:auto}
.offscreen .flow-packets path{animation-play-state:paused!important}
.page-hidden *, .page-hidden *::before, .page-hidden *::after{animation-play-state:paused!important}
@keyframes packet{from{stroke-dashoffset:302}to{stroke-dashoffset:0}}
@keyframes stage-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1600px){.hero{padding-top:100px}.hero h1{font-size:78px}}
@media(max-width:1100px){
.site-header nav{gap:20px}.hero{column-gap:25px;padding-top:56px}.hero h1{font-size:58px}
.hero-lead{font-size:13px}.hero-actions{gap:14px}.button{font-size:11px;padding-inline:16px}
.intent-node{padding:12px 15px}.intent-node strong{font-size:12px}.node-label{font-size:7px}.node-cursor{bottom:16px;right:15px}
.hiyu-node{padding-block:16px}.hiyu-node strong{font-size:36px}.hiyu-node>svg{width:27px}.hiyu-node>span{font-size:6px;margin-top:9px}
.execution-nodes{gap:10px}.execution-nodes>div{padding:10px}.execution-nodes strong{font-size:10px}.execution-nodes small{font-size:8px}.mini-icon{font-size:17px;margin-bottom:6px}
.outcome-node{font-size:9px;padding:8px 10px}.visual-coordinate{font-size:6px}
.capability-items{gap:20px;font-size:11px}.section-space{padding-block:80px}.mission-layout{grid-template-columns:250px 1fr}.step-list{padding:22px 15px}.flow-step{padding:16px 10px;gap:12px}.flow-step strong{font-size:12px}
.mission-stage{padding:25px}.mission-stage h3{font-size:22px}.architecture-layout{gap:50px}.architecture{padding-block:75px}.principle{padding-inline:24px}.principle h3{font-size:20px}.principle p{font-size:12px}.horizon{grid-template-columns:1fr;gap:30px}.horizon ol{max-width:850px}
}
@media(max-width:800px){
html{scroll-padding-top:25px}.site-header{min-height:76px;gap:18px}.brand{gap:9px}.brand span{font-size:30px}.brand svg{width:29px}
.site-header nav{gap:19px}.site-header nav a{font-size:11px}.site-header nav a:last-child{display:none}.motion-control{font-size:9px;min-height:40px;padding:8px 10px}
.hero{grid-template-columns:1fr;padding-top:48px}.hero-copy{max-width:650px}.hero h1{font-size:clamp(43px,8vw,64px);line-height:1.28;margin-block:24px}.small-break{display:none}.hero-lead{font-size:14px}.hero-actions{margin-top:28px;gap:25px}.hero-footnote{margin-top:19px}
.hero-visual{max-width:550px;margin:42px auto 0;aspect-ratio:600/580}.intent-node strong{font-size:14px}.hiyu-node strong{font-size:44px}.hiyu-node>svg{width:31px}.hiyu-node>span{font-size:7px}.execution-nodes strong{font-size:13px}.execution-nodes small{font-size:10px}.mini-icon{font-size:21px}.execution-nodes>div{padding:13px}.outcome-node{font-size:11px}.visual-coordinate{font-size:7px}.hero-bottom{margin-top:40px;font-size:8px}
.capability-band>.wrap{flex-direction:column;align-items:flex-start;gap:18px;padding-block:24px}.capability-band p br{display:none}.capability-band p strong{margin-left:8px}.capability-items{width:100%;justify-content:space-between;gap:12px;font-size:11px}
.section-heading{display:block;margin-bottom:30px}.section-heading>p{margin-top:24px;font-size:13px;max-width:none}.section-heading .eyebrow{font-size:9px;margin-bottom:18px}h2{font-size:36px}.section-space{padding-block:65px}
.mission-layout{grid-template-columns:1fr}.step-list{grid-template-columns:repeat(4,1fr);border-right:0;border-bottom:1px solid var(--line);padding:13px;gap:6px}
.flow-step{padding:12px 8px;display:block;min-height:90px;text-align:center}.flow-step>span{font-size:10px;display:block;margin-bottom:7px}.flow-step strong{font-size:11px;line-height:1.5;display:block}.flow-step small,.flow-step i{display:none}
.mission-stage{min-height:385px;padding:25px}.mission-stage h3{font-size:23px}.mission-stage>p{font-size:12px}.console-top{padding:14px 18px}.console-top>span:first-child{font-size:8px}.sample-tag{font-size:8px}
.mission-request{padding:19px;gap:12px}.mission-request p{font-size:13px}.request-avatar{width:32px;height:32px;flex:none}.console-bottom{padding:17px 18px;align-items:start;gap:16px}.console-bottom p{font-size:9px}.play-button{font-size:10px;padding:8px 10px}
.architecture-layout{grid-template-columns:1fr;gap:42px}.architecture h2{font-size:40px}.architecture-copy>p:not(.eyebrow){font-size:13px}.architecture-map{max-width:560px;width:100%;margin-inline:auto}
.principle-grid{grid-template-columns:1fr;gap:25px}.principle,.principle:first-child,.principle:last-child{border-left:0;padding:25px 0 0;border-top:1px solid var(--line);position:relative}.principle h3{max-width:65%;font-size:23px;margin-top:24px;min-height:76px}.principle p{font-size:13px;margin-top:18px;max-width:580px}
.choice-art,.control-art,.evidence-art{position:absolute;right:0;top:37px;width:30%;height:110px;margin:0}.choice-art{gap:10px;padding-top:6px}.choice-art>span{width:33px;height:30px;font-size:12px}.choice-art i{line-height:30px;font-size:13px}.choice-art>div{top:36px;height:20px}.choice-art>div::after{top:20px;height:13px}.choice-art b{top:71px;font-size:24px}
.control-art{padding:10px 0;gap:13px}.control-art>div{gap:5px}.control-art span{font-size:6px;width:55px}.control-art i::after{width:6px;height:10px;top:-4px}.evidence-art{display:flex;flex-direction:column;justify-content:center;gap:7px}.evidence-art span{font-size:7px;padding:5px 9px}.evidence-art i{height:8px;width:1px}.evidence-art b{font-size:8px}
.horizon{padding-top:35px;padding-bottom:45px;gap:35px}.horizon h2{font-size:27px}.horizon ol{gap:18px}.horizon li strong{font-size:13px}.horizon li p{font-size:10px}
.closing{padding-block:60px}.closing h2{font-size:clamp(40px,7.8vw,65px)}.closing-bottom{margin-top:30px}.closing-bottom p{font-size:11px}.closing-lines{right:-550px}
.footer-links{gap:20px}.footer-links a{font-size:10px}.footer-bottom{display:block;font-size:9px}.footer-bottom>span{display:block;margin-top:12px}
}
@media(max-width:480px){
.site-header{gap:11px}.site-header nav{gap:12px}.site-header nav a{font-size:10px}.motion-control{padding:8px;font-size:0;border-color:transparent}.motion-symbol{font-size:13px}.motion-label{font-size:0}
.hero h1{font-size:clamp(37px,9.2vw,44px);letter-spacing:-.05em}.hero-lead{font-size:12px;line-height:2.05}.hero-lead br{display:none}.hero-actions{gap:18px}.button{font-size:11px;min-height:50px;gap:19px}.quiet-link{font-size:11px}.hero-footnote{font-size:9px}.hero .eyebrow{font-size:8px}
.hero-visual{margin-top:32px}.intent-node{padding:10px 13px;width:84%}.intent-node strong{font-size:11px}.node-label{font-size:6px;margin-bottom:4px}.node-cursor{height:10px;width:4px;right:12px;bottom:14px}
.hiyu-node{padding:14px 5px;top:36%;width:61%;gap:0 9px}.hiyu-node strong{font-size:34px}.hiyu-node>svg{width:26px;height:24px}.hiyu-node>span{font-size:5px;letter-spacing:.06em;margin-top:8px}
.execution-nodes{gap:8px;left:1%;right:1%}.execution-nodes>div{padding:9px 7px}.execution-nodes strong{font-size:10px}.execution-nodes small{font-size:8px}.mini-icon{font-size:16px;margin-bottom:5px}
.outcome-node{font-size:9px;gap:7px;padding:8px 9px;width:92%;top:90%}.outcome-node svg{width:14px}.visual-coordinate{font-size:5px}.bottom-left,.bottom-right{bottom:-4%}
.hero-bottom{font-size:6px;gap:18px;margin-top:48px}.hero-bottom a span{margin-left:6px}.capability-items{font-size:9px;gap:8px}.capability-items i{font-size:11px}.capability-band p{font-size:10px}
h2{font-size:31px}.section-heading>p{font-size:12px}.console-top{padding:13px 13px;gap:10px}.console-top>span:first-child{font-size:6px;gap:7px}.sample-tag{font-size:7px;padding:3px 5px}
.mission-request{padding:16px 13px;gap:10px}.mission-request p{font-size:11px}.mission-request>div:last-child>span{font-size:7px}.request-avatar{width:28px;height:28px;font-size:10px}
.step-list{gap:4px;padding:9px}.flow-step{padding:10px 4px;min-height:83px}.flow-step strong{font-size:10px}.flow-step>span{font-size:9px}
.mission-stage{padding:21px 17px;min-height:400px}.mission-stage h3{font-size:20px;margin-top:21px}.mission-stage>p{font-size:11px;min-height:62px}.stage-heading{font-size:8px}.stage-state{font-size:9px}
.goal-sheet{padding:14px 13px}.goal-sheet strong{font-size:10px}.goal-sheet small{font-size:10px}.goal-sheet>div{gap:13px}
.task-branches{gap:8px}.task-branches>div{padding:13px 8px}.task-branches span{font-size:6px}.task-branches strong{font-size:12px}.task-branches small{font-size:8px}
.verification-list li{padding:10px;font-size:10px;gap:9px}.verification-list small{font-size:7px}.verification-footnote{font-size:9px}
.artifact-card{grid-template-columns:85px 1fr;gap:13px;padding:13px}.artifact-thumbnail{padding:12px 8px;aspect-ratio:.9}.artifact-thumbnail strong{font-size:12px}.artifact-thumbnail span{margin-bottom:12px}.artifact-info>span{font-size:7px}.artifact-info h4{font-size:12px}.artifact-open{font-size:10px;padding:8px}
.console-bottom{flex-wrap:wrap;padding:13px 15px;gap:12px}.console-bottom p{font-size:8px}.play-button{margin-left:auto;min-height:40px}
.architecture h2{font-size:37px}.layer-block{padding:18px}.layer-brand>span{font-size:6px}.layer-brand strong{font-size:30px}.execution-layer li{font-size:10px;padding:9px}.asset-line{font-size:9px}.business-layer p{font-size:10px}.business-layer b{margin:0 3px}.infra-options button{font-size:9px}.layer-label{font-size:7px}.infra-layer>p{font-size:9px}
.principle h3{font-size:19px;max-width:68%;min-height:65px}.principle p{font-size:12px}.principle-index{font-size:8px}.control-art span{display:none}
.horizon ol{grid-template-columns:1fr;gap:24px}.horizon li{display:grid;grid-template-columns:65px 1fr;gap:2px 15px;padding-top:13px}.horizon li>span{grid-row:span 2;align-self:center}.horizon li strong{margin:0;font-size:14px}.horizon li p{grid-column:2}
.closing{padding-block:50px}.closing .eyebrow{font-size:9px}.closing-bottom{display:block}.closing-bottom .button{margin-top:24px}.site-footer{gap:24px}.footer-links{flex-wrap:wrap;gap:10px 20px;margin-left:0}.site-footer .brand{flex-basis:100%}
.sample-site{padding:26px;margin:14px}.sample-site h2{font-size:30px}.sample-site>p{font-size:11px}.dialog-note{font-size:9px}
}
/* Keep explanatory content readable even on small screens. */
.sample-tag{font-size:10px}
.console-bottom p{font-size:11px}
.footer-bottom{font-size:11px}
@media(max-width:480px){
  .hero-lead,.principle p{font-size:14px}
  .mission-stage>p{font-size:12px}
  .console-top{flex-wrap:wrap}
  .console-top>span:first-child{font-size:8px}
  .sample-tag{font-size:10px}
  .flow-step strong{font-size:11px}
  .console-bottom p{font-size:11px}
}
/* Reading and touch refinements. */
.motion-control{min-width:44px;min-height:44px;justify-content:center}
.artifact-open,.play-button,.infra-options button,.dialog-close{min-height:44px}
.dialog-close{min-width:44px}
.footer-links{flex-wrap:wrap;gap:10px 24px}
.footer-links a{display:inline-flex;align-items:center;min-height:44px;font-size:12px}
.closing-actions{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.closing-actions .quiet-link{font-size:13px}
@media(max-width:480px){
.mission-request p,.goal-sheet strong,.goal-sheet small,.verification-list li,.artifact-info h4{font-size:12px}
.mission-stage>p{font-size:13px}
.verification-list li{flex-wrap:wrap}.verification-list small{margin-left:30px}
.task-branches{grid-template-columns:1fr;padding-top:0}
.task-branches::before,.task-branches>div:nth-child(2)::before{display:none}
.task-branches>div{display:grid;grid-template-columns:65px 1fr;gap:3px 10px}
.task-branches span{grid-row:span 2;margin:0;align-self:center;font-size:8px}
.task-branches strong{font-size:13px}.task-branches small{font-size:11px;margin:0}
.artifact-open{font-size:11px}.closing-actions .button{margin-top:0}.closing-actions{margin-top:24px}
.site-header{gap:8px}.site-header nav{gap:10px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.reveal-ready .reveal{opacity:1;transform:none}}