@font-face{font-family:Noto Sans;src:url(assets/noto-400.ttf) format('truetype');font-weight:400;font-display:swap}@font-face{font-family:Noto Sans;src:url(assets/noto-600.ttf) format('truetype');font-weight:500 600;font-display:swap}@font-face{font-family:Noto Sans;src:url(assets/noto-700.ttf) format('truetype');font-weight:700;font-display:swap}
:root{--ink:#191919;--sub:#66646b;--purple:#683195;--purple-bright:#a96ce5;--pink:#d48dcb;--paper:#f5f4f6;--line:#e6e3e9;--radius:22px;--reading:740px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;background:#fff;color:var(--ink);font-family:'Noto Sans',sans-serif;font-size:16px;line-height:1.75}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}a{color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #a96ce5;outline-offset:5px}button:disabled{cursor:default}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{line-height:1.18;letter-spacing:-.035em}h2{font-size:clamp(38px,4.8vw,66px);font-weight:600;margin-bottom:42px;max-width:1000px}h2 span{color:var(--purple)}h3{font-size:clamp(22px,2.3vw,31px);font-weight:600}h4{font-size:18px;letter-spacing:-.015em}p+p{margin-top:17px}strong{font-weight:600}a{text-underline-offset:5px}button{border:0}.wrap{width:min(1170px,calc(100% - 112px));margin:auto}.skip{position:fixed;top:-100px;left:24px;background:#fff;padding:15px;z-index:100}.skip:focus{top:10px}.site-header{height:84px;position:fixed;inset:0 0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 4.2%;z-index:40;background:rgba(24,24,24,.93);color:white;border-bottom:1px solid #ffffff14;backdrop-filter:blur(16px)}.brand{display:inline-flex;align-items:center;gap:14px;text-decoration:none;letter-spacing:.16em;font-size:13px;font-weight:600}.brand img{width:44px;height:44px;object-fit:contain}.brand span{border-left:1px solid #ffffff45;padding-left:15px}.site-header nav{display:flex;gap:30px;font-size:12px;letter-spacing:.01em}.site-header nav a{text-decoration:none;color:#dfdbe3;transition:color .2s}.site-header nav a:hover,.site-header nav a.active{color:white}.menu-btn{background:transparent;color:white;font-size:12px;display:flex;align-items:center;gap:20px;padding:10px}.menu-btn span{font-size:19px}.progress{position:absolute;bottom:0;left:0;height:2px;width:0;background:linear-gradient(90deg,#8953bb,#d38ac9)}.contents{position:fixed;inset:84px 0 0;background:rgba(20,18,23,.98);color:white;z-index:39;overflow:auto}.contents-inner{max-width:920px;margin:35px auto;padding:0 40px 45px}.contents-inner>a{display:flex;align-items:center;padding:13px 0;font-size:clamp(20px,3vw,33px);border-bottom:1px solid #ffffff20;text-decoration:none;gap:25px}.contents-inner>a small{color:#b8a4cc;font-size:12px}.contents-inner>a span{margin-left:auto}.hero{background:#17151c;color:white;min-height:780px;height:min(1000px,100svh);position:relative;display:flex;align-items:center;isolation:isolate;overflow:hidden;padding-top:84px}.hero-art{position:absolute;inset:0;background:linear-gradient(90deg,#131520b8,#14142638),linear-gradient(0deg,#17151c,#17151c00 40%),url(assets/rainfall-bg.webp) center/cover no-repeat;z-index:-1}.hero-content{padding-top:80px}.eyebrow{font-size:10px;letter-spacing:.15em;font-weight:600;line-height:1.5;color:var(--sub);margin-bottom:22px;text-transform:uppercase}.hero .eyebrow{color:#e7d7f4}.hero h1{font-size:clamp(48px,6.5vw,89px);font-weight:600;line-height:1.08;max-width:1000px;letter-spacing:-.05em}.hero h1 em{font-style:normal;color:#e4b9ed}.hero-sub{font-size:clamp(18px,2vw,25px);color:#ece8f0;margin-top:30px}.hero-actions{display:flex;align-items:center;gap:34px;margin-top:36px}.button{background:var(--purple);color:white;border-radius:100px;display:inline-flex;gap:35px;padding:16px 26px;align-items:center;text-decoration:none;font-size:13px;font-weight:600;transition:transform .25s,background .25s}.button:hover{transform:translateY(-3px)}.button.light{background:white;color:#29202f}.hero-link{font-size:13px;text-decoration:none;display:inline-flex;gap:24px;align-items:center}.hero-foot{margin-top:95px;display:flex;justify-content:space-between;border-top:1px solid #ffffff3b;padding-top:19px;font-size:10px;color:#ddd3e7;letter-spacing:.04em}.chapter{padding:110px 0;position:relative;scroll-margin-top:0}.chapter>.wrap>.eyebrow{display:flex;gap:16px;align-items:center}.chapter>.wrap>.eyebrow>span{color:var(--purple);padding:5px 9px;border:1px solid var(--line);border-radius:7px;letter-spacing:0}.section-intro{max-width:740px;font-size:18px;color:var(--sub);margin-top:-12px;margin-bottom:40px}.prose{font-size:16px;line-height:1.85}.prose p+p{margin-top:19px}.prose h3{font-size:23px;margin-top:30px;margin-bottom:15px}.prose h3:first-child{margin-top:0}.prose.wide{max-width:var(--reading);margin:35px auto 0}.lead p{font-size:18px;color:#55515a}.intro-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:55px;align-items:start}.panel{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:#fff}.panel p{margin-top:14px;color:#55515d;font-size:15px;line-height:1.8}.panel h4{font-size:16px}.panel.muted{background:var(--paper);border-color:transparent}.definition{padding:34px;background:linear-gradient(145deg,#f8f5fb,#f5f4f6)}.definition h3{font-size:25px;color:var(--purple);line-height:1.32}.definition .eyebrow{margin-bottom:20px}.definition p strong{color:#242027}.mini-boundary{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:30px;text-align:center}.mini-boundary span{background:white;border:1px solid var(--line);border-radius:10px;padding:12px 3px;font-size:10px}.mini-boundary b{grid-column:1/-1;border:1px solid #bca5d1;border-radius:10px;color:var(--purple);padding:11px;font-size:11px;font-weight:500;background:#eee5f7}.statement{font-size:clamp(28px,3.7vw,49px);font-weight:500;line-height:1.3;letter-spacing:-.04em;margin:80px auto 0;max-width:900px;text-align:center}.statement span{color:var(--purple)}.statement.compact{font-size:clamp(25px,3vw,39px)}.dark{background:#191919;color:#f8f6fb}.dark h2 span{color:#c797ee}.dark .eyebrow,.dark .section-intro{color:#b7abbf}.dark .chapter,.dark .prose{color:#d2cdd7}.dark .panel{background:#232125;border-color:#3a333e}.dark .panel p{color:#c5becd}.dark>.wrap>.eyebrow>span{color:#c897ef;border-color:#584566}.dark .prose{color:#ccc6d2}.split{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:start}.analogy-label{padding:35px 10px;text-align:center;color:#bfb5c8;font-size:15px}.orbit-system{display:flex;align-items:center;justify-content:space-between;position:relative;margin:10px 0 40px}.orbit-system:before{content:'';position:absolute;top:50%;left:10%;right:10%;height:1px;background:#72518c}.orbit-system span{z-index:1;background:#242027;border:1px solid #4b3d56;border-radius:50%;width:95px;height:95px;display:flex;justify-content:center;align-items:center;font-size:12px}.orbit-system span:nth-child(2){width:145px;height:145px;background:#432357;border-color:#a779c6;color:#eee6f4}.simulation{background:#242027;border:1px solid #4b3a58;border-radius:28px;margin-top:55px;padding:35px}.sim-heading{display:flex;justify-content:space-between;gap:20px;align-items:center}.sim-heading .eyebrow{font-size:8px;margin-bottom:12px}.simulation>p{font-size:14px;color:#b7adbf;margin-top:18px}.state-pill{border:1px solid #715685;background:#34243f;color:#d8b7f3;border-radius:100px;padding:7px 13px;font-size:10px;white-space:nowrap}.atc-board{display:grid;grid-template-columns:1.1fr 1fr;gap:30px;margin:30px 0}.radar{position:relative;min-height:430px;background:radial-gradient(circle at 50% 45%,#67358d24,transparent 60%);overflow:hidden;border-radius:18px;border:1px solid #ffffff0b}.radar-rings{position:absolute;left:50%;top:50%;width:290px;height:290px;border:1px solid #9062b23b;border-radius:50%;transform:translate(-50%,-50%);box-shadow:0 0 0 55px #0000,0 0 0 56px #9062b21f,0 0 0 112px #0000,0 0 0 113px #9062b214}.radar:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent calc(50% - 1px),#7c5b8f20 50%,transparent calc(50% + 1px)),linear-gradient(transparent calc(50% - 1px),#7c5b8f20 50%,transparent calc(50% + 1px));pointer-events:none}.runway{position:absolute;left:48%;top:64%;width:23px;height:100px;border:1px solid #c5b9cf;transform:rotate(30deg);background:repeating-linear-gradient(to bottom,#c5b9cf 0 5px,transparent 5px 12px) center/2px 100% no-repeat}.runway-label{position:absolute;bottom:14px;left:0;right:0;text-align:center;font-size:8px;letter-spacing:.18em;color:#9c8ca8}.aircraft{position:absolute;display:flex;flex-direction:column;align-items:center;gap:5px;z-index:2;transition:left 1s,top 1s,transform 1s,color .3s;color:#9984ac}.aircraft svg{width:22px;height:22px;fill:currentColor;transform:rotate(140deg)}.aircraft span{font-size:8px;white-space:nowrap}.a1{left:48%;top:54%}.a2{left:62%;top:45%}.a3{left:68%;top:29%}.a4{left:58%;top:12%}.a5{left:35%;top:9%}.a6{left:15%;top:22%}.a7{left:9%;top:44%}.a8{left:24%;top:59%;color:#dab4f3}.radar.emergency .a8{color:#ffbc98;filter:drop-shadow(0 0 9px #ffbc9855)}.radar.adapt .a8{left:48%;top:54%;color:#d5f5e5}.radar.adapt .a1{left:62%;top:45%}.radar.adapt .a2{left:68%;top:29%}.radar.adapt .a3{left:58%;top:12%}.radar.adapt .a4{left:35%;top:9%}.radar.adapt .a5{left:15%;top:22%}.radar.adapt .a6{left:9%;top:44%}.radar.adapt .a7{left:24%;top:59%}.control-list{display:grid;gap:8px}.scenario-btn{display:flex;align-items:center;gap:14px;padding:14px 17px;background:#2c2731;border:1px solid #483a53;border-radius:11px;color:#b8a9c3;text-align:left;font-size:12px}.scenario-btn span{font-size:9px;color:#a482c0}.scenario-btn.active{background:#513069;border-color:#9b70bd;color:white}.sim-explanation{min-height:140px;margin-top:22px}.sim-explanation h4{font-size:18px;color:#f4e9fc}.sim-explanation p{font-size:13px;color:#bfb3c8;line-height:1.8;margin-top:10px}.landing-order{padding:16px;border:1px solid #483a53;border-radius:12px;margin-top:15px}.landing-order small{font-size:8px;letter-spacing:.1em;color:#a396ad}.landing-order div{font-size:13px;margin-top:6px;color:#c8bdd1}.fine{font-size:11px!important;line-height:1.8!important;color:var(--sub);margin-top:15px}.dark .fine{color:#a99ab4}.reading{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:30px}.dark .reading{border-color:#403747}.reading summary{display:flex;justify-content:space-between;align-items:center;cursor:pointer;padding:23px 0;font-size:17px;font-weight:500;gap:20px;list-style:none}.reading summary::-webkit-details-marker{display:none}.reading summary span{font-size:10px;color:var(--purple)}.dark .reading summary span{color:#bf91de}.reading .prose{padding:0 0 30px;max-width:800px}.principle-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:35px}.principle-grid .panel{padding:20px}.principle-grid h4{margin-top:20px;line-height:1.4}.principle-grid p{font-size:12px;line-height:1.8}.number{display:inline-flex;flex-shrink:0;align-items:center;justify-content:center;width:39px;height:39px;background:#f3f2f4;border-radius:12px;font-size:14px;font-weight:600;letter-spacing:0}.dark .number{background:#39313f;color:#d7b9ed}.journey-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;margin-top:55px;align-items:start}.map-pin{position:sticky;top:120px}.journey-map{height:100%;align-self:stretch}.actor-map{height:335px;position:relative;background:radial-gradient(circle at center,#ece4f4 0,#f8f5fb 38%,#fff 71%)}.actor-map:before,.actor-map:after{content:'';position:absolute;inset:50px;border:1px dashed #d7c3e4;border-radius:50%}.actor-map:after{inset:88px;transform:rotate(35deg);border-style:solid}.actor{position:absolute;z-index:2;padding:10px 14px;border:1px solid var(--line);border-radius:10px;background:white;font-size:10px;transition:background .4s,color .4s,box-shadow .4s}.actor.active{background:#683195;color:white;border-color:#683195;box-shadow:0 8px 25px #68319525}.actor.dealer{top:12px;left:13%}.actor.mobility{top:75px;right:0}.actor.finance{bottom:28px;right:2%}.actor.manufacturer{bottom:45px;left:0}.covenant-core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:125px;height:125px;display:flex;align-items:center;justify-content:center;flex-direction:column;border-radius:50%;background:#f0e7f7;border:1px solid #cdb1e1;color:#683195;text-align:center;font-size:12px;line-height:1.5;z-index:1}.journey-status{margin-top:20px;border-top:1px solid var(--line);padding-top:23px}.journey-status small{font-size:9px;letter-spacing:.13em;color:#8a5caa}.journey-status h4{margin-top:12px;font-size:22px}.journey-status p{font-size:14px;color:var(--sub);line-height:1.8;margin-top:12px}.journey-steps{display:grid;gap:18px}.card-heading{display:flex;gap:15px;align-items:center;margin-bottom:20px}.card-heading h3{font-size:20px;letter-spacing:-.02em}.journey-step{scroll-margin-top:110px;transition:border-color .4s,box-shadow .4s}.journey-step.active{border-color:#b994d3;box-shadow:0 12px 40px #6831950b}.journey-step .eyebrow{font-size:9px;letter-spacing:.08em;margin-bottom:15px}.journey-step .prose{font-size:14px;line-height:1.85}.journey-step .prose p{font-size:14px}.text-btn{background:none;color:var(--purple);display:inline-flex;align-items:center;gap:16px;font-size:12px;text-decoration:none;padding:7px 0;margin-top:18px;border-bottom:1px solid transparent}.text-btn:hover{border-color:currentColor}.dark .text-btn{color:#c99ae8}.question-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:30px 0}.question-tabs a{border:1px solid var(--line);padding:10px 17px;border-radius:100px;text-decoration:none;font-size:12px;color:var(--purple)}.question-tabs a span{margin-left:10px;color:var(--sub)}#questions{background:#f5f4f6}.question-stack{display:grid;gap:28px;max-width:940px;margin:auto}.question-card{background:white;border:1px solid var(--line);border-radius:24px;padding:32px;scroll-margin-top:110px}.question-card .card-heading h3{font-size:22px}.question-card .number{width:43px;height:43px;font-size:18px}.takeaway{font-size:27px;line-height:1.35;margin-bottom:18px;max-width:780px}.question-card>p{font-size:15px;line-height:1.8;color:#514c56}.contrast,.examples{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}.contrast .panel,.examples .panel{padding:20px;border-radius:15px}.contrast .panel h4{font-size:10px;color:#77717b;letter-spacing:.05em;font-weight:500}.contrast .panel p{font-size:14px;color:#39343e;line-height:1.8}.components{border-radius:15px;background:#f6f5f7;padding:18px 20px;margin-top:12px}.components .eyebrow{font-size:9px;letter-spacing:.04em;margin-bottom:10px}.chips{display:flex;gap:7px;flex-wrap:wrap}.chips>span{background:white;border:1px solid #e9e5ec;padding:8px 12px;border-radius:9px;font-size:12px}.examples h4{font-size:13px;padding-bottom:15px;border-bottom:1px solid #f0edf3}.examples p{font-size:12px;color:#514b59}.who{border-top:1px solid #eeeaf1;padding-top:20px;margin-top:20px}.who h4{font-size:12px;color:#7c747f}.who p{font-size:13px;margin-top:10px;color:#5b545f}.runtime-conditions{font-size:13px;padding:20px 0 2px}.runtime-conditions h4{margin-bottom:12px;font-size:14px}.runtime-conditions p+p{margin-top:5px}.architecture-explorer{display:grid;grid-template-columns:1.25fr 1fr;gap:40px;border:1px solid #423648;border-radius:28px;padding:32px;align-items:center;margin:45px 0}.architecture-field{position:relative;height:370px;border-radius:22px;background:radial-gradient(circle at center,#6a36932e,transparent 70%)}.architecture-field:before{content:'';position:absolute;inset:35px 48px;border:1px dashed #80599c65;border-radius:50%}.architecture-center{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;flex-direction:column;width:140px;height:140px;border:1px solid #8b59ad;background:#35273f;color:#d6b4ee;border-radius:50%;font-size:14px;text-align:center;line-height:1.6}.architecture-node{position:absolute;padding:12px 17px;border-radius:12px;border:1px solid #655271;background:#2b2430;color:#bdacc9;font-size:12px;transition:background .3s,box-shadow .3s}.architecture-node[aria-pressed=true]{background:#683195;border-color:#bf83e9;color:#fff;box-shadow:0 0 40px #6a369344}.node-0{top:8px;left:35%}.node-1{top:115px;right:0}.node-2{bottom:18px;right:17%}.node-3{bottom:30px;left:9%}.node-4{top:115px;left:0}.architecture-readout h3{font-size:36px;color:#e5cff6}.architecture-readout>p:not(.eyebrow){font-size:20px;color:#c9bfd2;margin-top:18px;line-height:1.5}.component-tags{color:#a690b5;font-size:12px;line-height:1.9;margin-top:24px}.architecture-definitions{margin-top:50px}.arch-definition{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px;border-top:1px solid #3a323f;padding:40px 0;scroll-margin-top:110px}.arch-definition .eyebrow{color:#bd8dde;margin-bottom:14px}.arch-definition h3{font-size:25px;line-height:1.4}.arch-definition .prose{font-size:14px}.runtime-console{background:#242027;border:1px solid #4c365c;border-radius:24px;padding:32px;display:grid;grid-template-columns:1fr 1.1fr;gap:40px;margin-top:35px}.runtime-console h3{font-size:27px}.runtime-console p{font-size:12px;color:#b4a6bf;margin-top:16px}.runtime-buttons{display:flex;gap:6px;flex-wrap:wrap}.runtime-buttons button{border:1px solid #62506f;border-radius:9px;background:#2b2530;color:#bdaacb;padding:10px 12px;font-size:11px}.runtime-buttons button[aria-pressed=true]{background:#683195;color:white;border-color:#b480d7}.table-scroll{overflow:auto;margin:35px 0;border:1px solid var(--line);border-radius:21px}table{border-collapse:collapse;width:100%;font-size:14px;text-align:left}th,td{padding:22px;line-height:1.7;border-bottom:1px solid #eeeaf1;vertical-align:top}thead th{background:#f3f1f5;font-size:11px;font-weight:600;color:#6c5f75}tbody th{width:22%;font-size:13px;font-weight:600}td{color:#655d6a}tbody tr:last-child>*{border-bottom:0}#difference .prose h3{font-size:28px}#difference .prose p strong{color:var(--purple)}.tinted{background:#f5f4f6}.economic-panels{display:grid;gap:15px}.economic-panels .panel h4{font-size:10px;color:#8a709e;letter-spacing:.08em}.economic-panels .panel.muted{background:#eae6ef}.evidence-ladder{margin-top:55px;border-top:1px solid #ddd7e4;padding-top:30px}.evidence-ladder>div{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.evidence-ladder>div>span{padding:18px 15px;border:1px solid #ddd5e5;background:white;border-radius:13px;font-size:12px}.evidence-ladder small{display:block;margin-bottom:10px;font-size:9px;color:#9c7db0}.finale{padding:110px 0 100px}.finale .prose{margin:0;max-width:850px;color:#bdb4c5}.finale .prose h3{font-size:36px;color:#e4d7ef;margin:35px 0 20px}.finale .prose strong{color:#eee7f4}.finale>.wrap>.button{margin-top:40px}.finale .text-btn{margin-left:25px}.footer{padding:50px 4.2%;background:#131313;color:#9c91a4;display:flex;align-items:center;flex-wrap:wrap;gap:25px;font-size:11px}.footer p{margin:0}.footer>a:not(.brand){margin-left:auto;font-size:11px}.footer small{display:block;width:100%;font-size:9px;color:#6c6373}.footer .brand{color:white}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#2b2034;color:#fff;padding:12px 20px;border-radius:12px;z-index:55;font-size:12px;display:none}body.menu-open{overflow:hidden}body.menu-open .menu-btn span{transform:rotate(90deg)}
@media(min-width:1500px){.wrap{max-width:1250px}.hero h1{font-size:94px}}
@media(max-width:1000px){.wrap{width:calc(100% - 64px)}.site-header nav{gap:18px;font-size:10px}.hero{min-height:740px}.hero-foot{margin-top:75px}.intro-grid,.split{gap:32px}.principle-grid{grid-template-columns:repeat(3,1fr)}.journey-layout{gap:30px;grid-template-columns:.8fr 1.2fr}.actor-map{height:290px}.actor{font-size:9px;padding:9px}.covenant-core{width:100px;height:100px}.architecture-explorer{padding:20px;gap:20px}.architecture-field{height:330px}.architecture-node{padding:10px 12px;font-size:10px}.architecture-center{width:115px;height:115px;font-size:12px}.architecture-field:before{inset:25px}.node-4{top:100px}.node-1{top:100px}.arch-definition{gap:35px}.runtime-console{gap:25px;padding:25px}.evidence-ladder>div{grid-template-columns:repeat(3,1fr)}}
@media(max-width:720px){body{font-size:15px}.wrap{width:calc(100% - 40px)}.site-header{height:70px;padding:0 20px}.site-header nav{display:none}.brand img{width:36px;height:36px}.contents{top:70px}.contents-inner{padding:0 22px 30px}.hero{min-height:690px;height:95svh;padding-top:70px}.hero-content{padding-top:40px}.hero h1{font-size:clamp(42px,10.6vw,65px);line-height:1.08}.hero-sub{font-size:17px;max-width:270px;margin-top:26px;line-height:1.7}.hero-actions{gap:23px;flex-wrap:wrap;margin-top:29px}.button{font-size:12px;padding:14px 20px;gap:25px}.hero-link{font-size:12px}.hero-foot{margin-top:65px;display:block;font-size:9px}.hero-foot span{display:block;margin-bottom:10px}.chapter{padding:70px 0}h2{font-size:37px;margin-bottom:30px;letter-spacing:-.04em}h2 br{display:none}.eyebrow{font-size:9px;letter-spacing:.11em}.prose,.lead p{font-size:15px;line-height:1.85}.intro-grid,.split,.journey-layout,.architecture-explorer,.arch-definition,.runtime-console{grid-template-columns:1fr;gap:28px}.definition{padding:25px}.definition h3{font-size:24px}.statement{margin-top:50px;font-size:30px;text-align:left}.atc-board{grid-template-columns:1fr;gap:25px}.simulation{padding:20px;border-radius:21px}.sim-heading{display:block}.sim-heading h3{font-size:24px}.state-pill{display:inline-block;margin-top:18px}.radar{min-height:350px}.radar-rings{width:230px;height:230px}.sim-explanation{min-height:0}.principle-grid{grid-template-columns:1fr;gap:10px}.principle-grid .panel{display:grid;grid-template-columns:40px 1fr;gap:0 16px;align-items:center}.principle-grid h4{margin:0}.principle-grid p{grid-column:2;margin-top:8px;font-size:13px}.reading summary{font-size:14px}.reading summary span{font-size:9px}.journey-layout{margin-top:35px}.journey-map{display:none}.journey-step{padding:22px}.journey-step .text-btn{display:none}.card-heading h3{font-size:18px}.question-tabs{gap:6px}.question-tabs a{padding:8px 11px;font-size:10px}.question-tabs a span{margin-left:5px}.question-card{padding:20px;border-radius:20px}.question-card .card-heading h3{font-size:17px}.question-card .number{width:35px;height:38px;font-size:15px}.takeaway{font-size:23px}.question-card>p{font-size:14px}.contrast,.examples{grid-template-columns:1fr}.contrast .panel,.examples .panel{padding:18px}.components{padding:16px}.chips>span{font-size:11px;padding:7px 10px}.architecture-explorer{padding:17px}.architecture-field{height:350px;max-width:430px;width:100%;margin:auto}.architecture-center{width:125px;height:125px;font-size:13px}.architecture-node{font-size:11px}.architecture-readout{padding:15px 5px}.architecture-readout h3{font-size:31px}.architecture-readout>p:not(.eyebrow){font-size:19px}.arch-definition{padding:30px 0;gap:20px}.arch-definition h3{font-size:22px}.arch-definition .prose{font-size:14px}.runtime-console{padding:22px;gap:25px}.table-scroll table{min-width:670px}th,td{padding:17px;font-size:12px}.evidence-ladder>div{grid-template-columns:1fr 1fr}.section-intro{font-size:16px;margin-top:0}.finale .prose h3{font-size:28px}.finale .text-btn{display:flex;margin-left:0}.footer{padding:35px 20px;gap:20px}.footer p{width:100%}.footer>a:not(.brand){margin-left:0}.analogy-label{padding:0}.orbit-system span{width:75px;height:75px;font-size:11px}.orbit-system span:nth-child(2){width:120px;height:120px}.panel{border-radius:18px}.fine{font-size:11px!important}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.button:hover{transform:none}}
@media print{.site-header,.hero-art,.menu-btn,.contents,.button,.text-btn,.hero-foot,.hero-actions,.question-tabs,.journey-map{display:none!important}.hero{height:auto;min-height:0;color:#191919;padding:40px 0}.hero h1{font-size:40px}.hero h1 em,.hero-sub{color:#683195}.chapter{padding:35px 0;break-before:page}.wrap{width:100%}.dark{background:white;color:black}.dark .prose,.dark .panel p,.dark .fine{color:#555}.dark .panel{background:white;border-color:#ddd}.dark h3{color:#191919}.panel,.question-card,.arch-definition{break-inside:avoid}.question-card{margin-bottom:20px}.question-stack{display:block}.journey-layout{display:block}.simulation,.architecture-explorer,.runtime-console{display:none}.principle-grid{grid-template-columns:1fr 1fr}.footer{background:#fff;color:#555}.reading{display:block}.reading>div{display:block!important}}
.mobile-dependency{display:none}@media(max-width:720px){.mobile-dependency{display:block;margin-top:22px;padding:16px;background:#f7f3fa;border-radius:12px}.mobile-dependency .eyebrow{font-size:8px;color:#86549f;margin-bottom:9px}.mobile-dependency p:last-child{font-size:12px;margin:0;color:#665370;line-height:1.8}}
@media(min-width:721px) and (max-width:1000px){.architecture-explorer{grid-template-columns:1fr}.architecture-field{width:min(520px,100%);margin:auto}.architecture-readout{max-width:520px;margin:0 auto 20px;width:100%}}
@media(max-width:720px){.architecture-field{display:grid;grid-template-columns:1fr 1fr;gap:10px;height:auto;padding:12px 0}.architecture-field:before{display:none}.architecture-center{position:relative;left:auto;top:auto;transform:none;grid-column:1/-1;justify-self:center;margin-bottom:12px}.architecture-node{position:static;min-height:45px}.architecture-node.node-4{grid-column:1/-1;justify-self:center;padding-left:30px;padding-right:30px}}
/* Revision 2: every explanatory block follows the section grid. */
.prose.wide{max-width:860px;margin:35px 0 0}.statement{text-align:left;max-width:none;margin:32px 0 0;padding:30px 34px;background:#f7f3fb;border:1px solid #e6dcec;border-radius:22px;font-size:clamp(28px,3.5vw,45px)}.statement.compact{font-size:clamp(24px,2.8vw,36px)}.section-block{margin:32px 0 0;padding:32px;border:1px solid var(--line);border-radius:22px;background:#faf9fb;width:100%;max-width:none}.section-block>h3{font-size:25px;margin-bottom:25px}.section-block .prose{max-width:none}.section-block .prose h3:first-child{margin-top:0}.section-block .prose p{max-width:920px}.dark .section-block{background:#221f26;border-color:#403549}.dark .section-block>h3{color:#eee5f5}.complete-example .prose{columns:2;column-gap:45px}.complete-example .prose h3{column-span:all;margin-bottom:20px}.complete-example .prose p{break-inside:avoid}.role-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-bottom:25px}.role-grid.four{grid-template-columns:repeat(4,1fr)}.role-panel{border:1px solid #ddd2e5;border-radius:15px;padding:22px;background:#fff}.role-panel h4{font-size:17px;margin:14px 0 10px;line-height:1.4}.role-panel p{font-size:13px;line-height:1.85;color:#66596f;margin:0}.component-icon{display:block;width:30px;height:30px;color:#9761bb}.dark .role-panel{border-color:#4a3c55;background:#2b2531}.dark .role-panel h4{color:#e5c7fa}.dark .role-panel p{color:#c0b2ca}.together-block .prose>p:first-child{margin-top:0}.runtime-console+.prose.wide{max-width:none;margin-top:0}.runtime-console+.prose.wide>.section-block{margin-top:25px}.susan-profile{display:grid;grid-template-columns:1.45fr 1fr 1fr;border:1px solid #e5d8ef;border-radius:22px;overflow:hidden;margin:32px 0 40px;background:linear-gradient(145deg,#fff,#f6effc)}.profile-person{display:flex;gap:20px;align-items:center;padding-right:20px}.susan-photo{width:139px;height:162px;flex-shrink:0;align-self:flex-end;background-image:url(assets/susan-slide-reference.png);background-size:1157px 612px;background-position:-58px -185px;background-repeat:no-repeat;mix-blend-mode:multiply}.profile-person .eyebrow{color:#8b48b3;margin-bottom:8px}.profile-person h3{font-size:24px;color:#7a3b9f;line-height:1.25}.profile-person p:last-child{font-size:10px;line-height:1.7;color:#8c669f;margin-top:12px}.profile-facts,.profile-context{padding:25px 22px;border-left:1px solid #e7dcf0}.susan-profile h4{font-size:12px;color:#713d8d;margin:0 0 12px}.susan-profile ul{padding-left:15px;margin:0;font-size:11px;line-height:1.9;color:#715582}.susan-profile li+li{margin-top:5px}.journey-step{padding:0;overflow:hidden}.agent-banner{display:flex;align-items:center;gap:14px;padding:19px 25px;background:linear-gradient(120deg,#faf7fd,#f2f6f7);border-bottom:1px solid #ddd1e7}.agent-banner h3{font-size:19px;color:#7a409e;line-height:1.4}.agent-banner .number{background:#f0e6f7;color:#8950ac;width:34px;height:34px;font-size:12px}.agent-banner .eyebrow{font-size:8px;letter-spacing:.09em;color:#8a619e;margin:6px 0 0}.journey-step>.prose{padding:22px 25px 0}.journey-step>.text-btn{margin:15px 25px 22px}.journey-step>.mobile-dependency{margin:16px 22px 22px}.journey-step:has(.mobile-dependency){padding-bottom:0}.journey-steps{gap:21px}.journey-step.active .agent-banner{background:linear-gradient(120deg,#f0e6fa,#f4edf9)}
@media(max-width:1000px){.susan-profile{grid-template-columns:1fr 1fr}.profile-person{grid-column:1/-1;border-bottom:1px solid #e7dcf0;justify-content:flex-start}.profile-context{border-left:1px solid #e7dcf0}.profile-facts{border-left:0}.role-grid.four{grid-template-columns:1fr 1fr}.profile-person .susan-photo{height:162px}.profile-person h3 br{display:none}}
@media(max-width:720px){.prose.wide{margin:25px 0 0;max-width:none}.statement{padding:22px;text-align:left;font-size:28px;margin-top:25px}.section-block{padding:22px;margin-top:25px}.section-block>h3{font-size:22px}.role-grid,.role-grid.four{grid-template-columns:1fr;gap:12px}.role-panel{padding:20px}.role-panel .component-icon{width:25px;height:25px}.role-panel h4{font-size:16px;margin:12px 0 8px}.complete-example .prose{columns:1}.susan-profile{grid-template-columns:1fr;margin:25px 0}.profile-person{padding-right:18px;gap:12px}.profile-person h3{font-size:21px}.profile-person h3 br{display:block}.profile-facts,.profile-context{padding:20px 23px;border:0;border-top:1px solid #e7dcf0}.profile-person{border:0}.susan-profile h4{font-size:13px}.susan-profile ul{font-size:12px}.agent-banner{padding:18px 20px}.agent-banner h3{font-size:17px}.journey-step>.prose{padding:20px 20px 0}.journey-step>.mobile-dependency{margin:16px 20px 20px}.journey-step{padding:0!important}}
.statement-caption{font-size:13px;color:#786583;margin-top:14px;padding-left:2px}

/* The arrival sequence tells its story once, with review controls available. */
.playback-controls{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}.playback-controls button{border:1px solid #756183;border-radius:8px;background:#302636;color:#f5ecfa;font:inherit;font-size:12px;padding:9px 13px;cursor:pointer}.playback-controls button:hover{background:#4b335d}.playback-controls button:focus-visible{outline:2px solid #dab4f3;outline-offset:3px}.playback-status{font-size:11px!important;color:#bdb0c4;min-height:18px;margin:0 0 16px!important}.atc-announcement{position:absolute;z-index:3;inset:20px 20px auto;padding:20px;background:rgba(40,25,35,.96);border:1px solid #e4a277;border-radius:14px;opacity:0;transform:translateY(-12px);transition:opacity .6s,transform .6s;pointer-events:none}.atc-announcement span{display:block;color:#f6ba91;font-size:10px;letter-spacing:2px;margin-bottom:8px}.atc-announcement strong{display:block;font-size:clamp(19px,2.3vw,27px);line-height:1.25;color:#fff}.atc-announcement small{display:block;color:#d6c3cd;margin-top:9px;font-size:11px}.radar.emergency .atc-announcement{opacity:1;transform:translateY(0)}.radar .aircraft{transition:left 2.4s ease-in-out,top 2.4s ease-in-out,transform 2.4s,color .6s;z-index:2}.radar.adapt .a8{color:#e6c4ff;filter:drop-shadow(0 0 9px #c07cf1)}.arrival-marker{position:absolute;left:16px;bottom:16px;right:16px;z-index:3;text-align:center;border:1px solid #9e6cc2;background:#30203e;color:#ead4fa;padding:12px 6px;border-radius:9px;font-size:11px;letter-spacing:1.2px;opacity:0;transform:translateY(8px);transition:opacity .6s 2.4s,transform .6s 2.4s}.radar.adapt .arrival-marker{opacity:1;transform:translateY(0)}
@media(prefers-reduced-motion:reduce){.radar .aircraft,.atc-announcement,.arrival-marker{transition:none}}