@import url("https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&display=swap");
:root{--ink:#111214;--paper:#f1eee7;--muted:#6d6d70;--line:#c9c6bc;--line-strong:#8e8c84;--acid:#d7e85c;--acid-soft:#e9efaf;--blue:#3d4c67;--max:1320px}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--paper)}body{margin:0;background:var(--paper);color:var(--ink);font-family:Manrope,system-ui,sans-serif;line-height:1.55;letter-spacing:-.01em}body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.3;background-image:linear-gradient(90deg,transparent 0,transparent calc(100% - 1px),#11121408 calc(100% - 1px));background-size:20vw 100%;z-index:-1}a{color:inherit;text-underline-offset:4px}img{display:block;max-width:100%;height:auto}.site-shell{max-width:var(--max);margin:0 auto;padding:24px clamp(20px,5vw,78px)}.progress{position:fixed;z-index:50;inset:0 auto auto 0;height:3px;width:100%;background:var(--acid);transform:scaleX(0);transform-origin:left center;box-shadow:0 0 16px #d7e85c88}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid var(--ink);padding-bottom:15px}.wordmark{font-size:.74rem;font-weight:800;line-height:.94;letter-spacing:.015em;text-decoration:none}.wordmark span{font-size:.9em;letter-spacing:.05em}.top-meta{display:flex;gap:26px;font:500 .66rem "DM Mono",monospace;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;text-align:right}
main{padding:clamp(86px,12vw,166px) 0 100px}.hero{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(300px,.58fr);gap:clamp(32px,7vw,110px);align-items:end}.kicker{display:flex;align-items:center;gap:10px;margin:0;color:var(--muted);font:500 .68rem "DM Mono",monospace;letter-spacing:.1em;text-transform:uppercase}.rule{display:inline-block;width:30px;height:1px;background:currentColor}.hero h1{font-size:clamp(4.3rem,10.3vw,10.7rem);line-height:.82;letter-spacing:-.11em;margin:22px 0 32px;font-weight:700}.hero h1 em{font-style:normal;color:var(--blue)}.hero-dek{max-width:640px;font-size:clamp(1.08rem,1.8vw,1.4rem);line-height:1.48;color:#383a3f}.hero-dek a{font-weight:800;color:var(--blue)}.hero-actions{display:flex;align-items:center;gap:24px;margin-top:34px}.button{display:inline-flex;align-items:center;gap:18px;padding:14px 17px;text-decoration:none;font-size:.78rem;font-weight:800;transition:transform .2s ease,background-color .2s ease}.button span,.text-link span{font:500 .8rem "DM Mono",monospace}.button-dark{background:var(--ink);color:var(--paper)}.button-dark:hover{background:var(--blue);transform:translateY(-2px)}.text-link{font-size:.78rem;font-weight:800;text-decoration:none;border-bottom:1px solid var(--ink);padding-bottom:7px}.text-link:hover{color:var(--blue)}.answer-panel{border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:18px 0 22px;background:linear-gradient(135deg,var(--acid-soft),transparent 75%)}.panel-index{font:500 .65rem "DM Mono",monospace;color:var(--blue);letter-spacing:.12em;text-transform:uppercase}.answer-panel h2{font-size:clamp(1.65rem,2.7vw,2.7rem);line-height:.98;letter-spacing:-.075em;margin:42px 0 18px}.answer-panel p{color:#48494d;font-size:.88rem;line-height:1.63}.panel-links{display:flex;gap:10px 20px;flex-wrap:wrap;margin-top:24px}.panel-links a{font-size:.72rem;font-weight:800;color:var(--blue)}
.definition-band{display:grid;grid-template-columns:.45fr 1.1fr 1.15fr;gap:28px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:26px 0 30px;margin-top:clamp(100px,15vw,190px)}.definition-band h2{font-size:clamp(1.7rem,3vw,3.3rem);line-height:.96;letter-spacing:-.075em;margin:0}.definition-band p:last-child{margin:0;max-width:490px;color:#4a4b4f;font-size:.92rem;line-height:1.64}
.section{border-top:1px solid var(--ink);padding-top:24px;margin-top:clamp(92px,13vw,170px);scroll-margin-top:30px}.section-head{display:flex;justify-content:space-between;gap:40px;align-items:flex-end;margin-bottom:34px}.section-head h2{font-size:clamp(2.6rem,5.2vw,6rem);line-height:.85;letter-spacing:-.105em;margin:18px 0 0;max-width:780px}.section-note{max-width:300px;color:var(--muted);font-size:.76rem;line-height:1.55;margin:0 0 2px}.award-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}.award-card{display:flex;flex-direction:column;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:transparent;transition:background-color .25s ease}.award-card:hover{background:var(--acid-soft)}.award-featured{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(300px,.88fr)}.award-image{background:#d9d6cf;overflow:hidden}.award-image img{width:100%;height:auto;transition:transform .45s cubic-bezier(.2,.65,.2,1)}.award-card:hover .award-image img{transform:scale(1.015)}.award-body{padding:20px clamp(18px,2.5vw,32px) 28px}.award-featured .award-body{padding:28px clamp(24px,3.8vw,54px) 36px}.award-line{display:flex;justify-content:space-between;gap:15px;font:500 .63rem "DM Mono",monospace;color:var(--blue);letter-spacing:.09em;text-transform:uppercase}.award-body h3{font-size:clamp(2rem,3.7vw,4.4rem);line-height:.86;letter-spacing:-.09em;margin:34px 0 12px}.award-title{font-weight:800;font-size:1rem;line-height:1.27;max-width:360px;margin:0 0 12px}.award-body p:not(.award-title){color:#515257;font-size:.84rem;max-width:440px}.card-links{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:24px}.card-links a{font:500 .68rem "DM Mono",monospace;color:var(--blue)}
.comparison-table-wrap{overflow-x:auto}.comparison-table{width:100%;min-width:900px;border-collapse:collapse;border-top:1px solid var(--line);font-size:.84rem}.comparison-table caption{text-align:left;caption-side:top;font:500 .67rem "DM Mono",monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:0 0 14px}.comparison-table th,.comparison-table td{vertical-align:top;text-align:left;border-bottom:1px solid var(--line);padding:17px 18px 17px 0}.comparison-table thead th{font:500 .65rem "DM Mono",monospace;color:var(--muted);letter-spacing:.09em;text-transform:uppercase}.comparison-table tbody th{width:18%;font-size:1rem;line-height:1.1}.comparison-table tbody th a{font-weight:800;text-decoration:none}.comparison-table tbody th small{display:block;margin-top:7px;color:var(--muted);font:500 .63rem "DM Mono",monospace}.comparison-table td{color:#505156;max-width:260px}.comparison-table .row-highlight{background:linear-gradient(90deg,#e9efaf88,transparent)}
.route-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.route-grid article{padding:20px 20px 25px 0;margin-right:20px;border-right:1px solid var(--line)}.route-grid article:last-child{border-right:0;margin-right:0}.route-num{font:500 .68rem "DM Mono",monospace;color:var(--blue)}.route-grid h3{font-size:1.12rem;line-height:1.05;letter-spacing:-.04em;margin:38px 0 12px}.route-grid p{color:#55565b;font-size:.83rem;line-height:1.6;margin:0}.route-grid a{color:var(--blue);font-weight:800}
.method{background:linear-gradient(120deg,#fffaf1 0%,transparent 70%);padding-bottom:30px}.stamp{border:1px solid var(--blue);color:var(--blue);padding:10px 12px;font:500 .65rem "DM Mono",monospace;letter-spacing:.08em;line-height:1.25;text-align:center}.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,7vw,100px)}.method-lead{font-size:1.12rem;line-height:1.54;max-width:620px}.method-lead p{margin:0 0 18px}.method-steps{list-style:none;padding:0;margin:0;counter-reset:method}.method-steps li{counter-increment:method;border-top:1px solid var(--line);padding:15px 0 16px 48px;position:relative;color:#55565b;font-size:.86rem}.method-steps li:last-child{border-bottom:1px solid var(--line)}.method-steps li:before{content:"0" counter(method);position:absolute;left:0;top:15px;color:var(--blue);font:500 .68rem "DM Mono",monospace}.method-steps strong{color:var(--ink)}.source-ledger{display:flex;gap:10px 18px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:18px;margin-top:32px}.source-ledger span{width:100%;font:500 .65rem "DM Mono",monospace;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}.source-ledger a{font-size:.72rem;color:var(--blue);font-weight:700}
.faq{max-width:980px}.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq details:first-of-type{border-top:1px solid var(--line)}.faq summary{cursor:pointer;font-size:1.05rem;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:20px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font:500 1.2rem "DM Mono",monospace;color:var(--blue)}.faq details[open] summary:after{content:"−"}.faq details p{max-width:780px;color:#505156;font-size:.9rem;line-height:1.65;margin:14px 0 3px}
.footer{border-top:1px solid var(--ink);padding:24px 0 6px;color:#4e4f53;font-size:.78rem}.footer-top{display:flex;justify-content:space-between;align-items:flex-start;gap:25px}.footer-top p{margin:0;max-width:300px}.back-top{font:500 .67rem "DM Mono",monospace;color:var(--blue);text-decoration:none}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;border-top:1px solid var(--line);margin-top:25px;padding-top:18px}.footer-grid p{margin:0;max-width:620px}.footer-grid strong{color:var(--ink)}.footer-grid a{color:var(--blue)}.footer-bottom{border-top:1px solid var(--line);margin-top:22px;padding-top:13px;display:flex;justify-content:space-between;gap:20px;font:500 .64rem "DM Mono",monospace;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
@media(max-width:900px){.hero{grid-template-columns:1fr}.answer-panel{max-width:680px}.definition-band{grid-template-columns:1fr 1.4fr}.definition-band .kicker{grid-column:1/-1}.award-featured{grid-template-columns:1fr}.route-grid{grid-template-columns:repeat(2,1fr)}.route-grid article:nth-child(2){border-right:0;margin-right:0}.route-grid article:nth-child(n+3){border-top:1px solid var(--line);padding-top:20px}.route-grid article:nth-child(4){border-right:0;margin-right:0}.method-grid{grid-template-columns:1fr}}
@media(max-width:620px){.site-shell{padding:20px}.topbar{gap:20px}.top-meta{display:block;line-height:1.7}.top-meta span{display:block}.top-meta span:first-child{display:none}main{padding-top:72px}.hero h1{font-size:clamp(4.1rem,18vw,7rem)}.hero-actions{gap:16px}.definition-band{display:block}.definition-band .kicker{margin-bottom:20px}.definition-band h2{margin-bottom:20px}.section-head{display:block}.section-note{margin-top:20px}.award-grid{grid-template-columns:1fr}.award-featured{grid-column:auto}.award-body h3{font-size:3rem}.award-featured .award-body{padding:24px 20px 30px}.route-grid{grid-template-columns:1fr}.route-grid article,.route-grid article:nth-child(n){border-right:0;border-bottom:1px solid var(--line);border-top:0;margin:0;padding:18px 0 22px}.route-grid article:last-child{border-bottom:0}.method-lead{font-size:1rem}.footer-top,.footer-grid,.footer-bottom{display:block}.footer-top p{margin:18px 0}.back-top{display:inline-block;margin-top:10px}.footer-grid p+p{margin-top:18px}.footer-bottom span{display:block;margin-top:8px}.comparison-table{min-width:780px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.progress{display:none}.award-image img,.button{transition:none}.award-card:hover .award-image img{transform:none}}
.skip-link{position:absolute;left:-9999px;top:12px;z-index:100;background:var(--ink);color:var(--paper);padding:10px 14px;font:500 .72rem "DM Mono",monospace}.skip-link:focus{left:20px}.top-nav{display:flex;gap:20px;align-items:center;font:500 .68rem "DM Mono",monospace;text-transform:uppercase;letter-spacing:.08em}.top-nav a{text-decoration:none;color:var(--blue);border-bottom:1px solid transparent}.top-nav a:hover,.top-nav a:focus-visible{border-color:var(--blue)}.chapter-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-bottom:1px solid var(--line);margin-top:28px}.chapter-nav a{padding:14px 14px 15px 0;border-top:1px solid var(--line);font-size:.72rem;text-decoration:none;color:var(--blue)}.chapter-nav span{display:block;color:var(--muted);font:500 .63rem "DM Mono",monospace;margin-bottom:7px}.panel-disclosure{padding-top:12px;border-top:1px solid #3d4c6744;font-size:.76rem!important}.section-note a,.source-ledger a{font-weight:800;color:var(--blue)}.chooser{background:#e9efaf55;padding:24px clamp(18px,3vw,40px) 36px}.chooser-layout{display:grid;grid-template-columns:minmax(250px,.7fr) minmax(0,1.3fr);gap:clamp(30px,7vw,100px);border-top:1px solid var(--line);padding-top:20px}.task-options{display:grid;gap:0;border:0;padding:0;margin:0}.task-options legend{font:500 .65rem "DM Mono",monospace;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:10px}.task-options label{display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line);padding:14px 0;font-size:.9rem;font-weight:800;cursor:pointer}.task-options label:first-of-type{border-top:1px solid var(--line)}.task-options input{accent-color:var(--blue);width:17px;height:17px}.task-options label span{font:500 .65rem "DM Mono",monospace;color:var(--blue);margin-left:auto;order:3}.task-result{border-left:1px solid var(--line);padding-left:clamp(20px,3vw,40px)}.task-result h3{font-size:clamp(1.9rem,4vw,4rem);line-height:.9;letter-spacing:-.08em;margin:18px 0 14px}.task-result p:not(.kicker){max-width:520px;color:#505156}.task-primary{display:inline-block;margin-top:16px}.task-secondary{display:block;margin-top:15px;color:var(--blue);font-size:.72rem;font-weight:800}.tool-note{color:var(--muted);font-size:.75rem;line-height:1.5;margin:0 0 15px}.file-check{background:linear-gradient(120deg,#fffaf1 0%,transparent 75%);padding:24px clamp(18px,3vw,40px) 34px}.file-check-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(30px,7vw,110px);border-top:1px solid var(--line);padding-top:23px}.check-intro{font-size:clamp(1.25rem,2.5vw,2rem);line-height:1.18;letter-spacing:-.05em;max-width:420px;margin:0}.file-steps{list-style:none;padding:0;margin:0;counter-reset:check}.file-steps li{counter-increment:check;display:grid;grid-template-columns:38px 1fr;gap:10px;border-top:1px solid var(--line);padding:13px 0;color:#505156;font-size:.82rem}.file-steps li:before{content:"0" counter(check);font:500 .67rem "DM Mono",monospace;color:var(--blue)}.file-steps strong{color:var(--ink);display:block}.file-steps span{display:block;margin-top:4px}.related-sites{display:flex;flex-wrap:wrap;gap:9px 17px;border-top:1px solid var(--line);margin-top:22px;padding-top:15px;font:500 .65rem "DM Mono",monospace;text-transform:uppercase;letter-spacing:.06em}.related-sites span{width:100%;color:var(--muted)}.related-sites a{color:var(--blue);text-decoration:none}.method-page{padding-top:clamp(70px,10vw,130px);max-width:1050px}.method-page h1{font-size:clamp(4rem,10vw,9rem);line-height:.82;letter-spacing:-.11em;margin:36px 0 28px}.method-intro{max-width:600px;font-size:clamp(1.3rem,2.5vw,2rem);line-height:1.25}.method-page .section{max-width:950px}.method-page .section>h2{font-size:clamp(2.3rem,5vw,5rem);line-height:.9;letter-spacing:-.09em;margin:0 0 22px}.method-page .section>p{max-width:800px;color:#505156}.rubric-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line);margin:28px 0}.rubric-grid article{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:17px 16px 21px}.rubric-grid span{font:500 .63rem "DM Mono",monospace;color:var(--blue);text-transform:uppercase}.rubric-grid h3{font-size:1.2rem;line-height:1;margin:24px 0 9px}.rubric-grid p{font-size:.8rem;color:#55565b}.status-note{border-left:3px solid var(--blue);padding:12px 0 12px 16px!important}.plain-list{border-top:1px solid var(--line);padding:0;margin:22px 0;list-style:none;counter-reset:limits}.plain-list li{counter-increment:limits;border-bottom:1px solid var(--line);padding:12px 0 12px 35px;position:relative;color:#505156}.plain-list li:before{content:"0" counter(limits);position:absolute;left:0;color:var(--blue);font:500 .67rem "DM 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