:root{--bg-canvas:#fff;--bg-surface:#f1f5f9;--bg-surface-hover:#e8edf1;--text-primary:#1e293b;--text-muted:#52606d;--accent-primary:#a43d22;--accent-secondary:#78350f;--border-subtle:#cbd1d5;--ease-kinetic:cubic-bezier(.16,1,.3,1);--shadow-elevation:none;--glow-accent:none;--glass-backdrop:blur(16px) saturate(180%)}
*{box-sizing:border-box}body{margin:0;background:var(--bg-canvas);color:var(--text-primary);font:1rem/1.7 system-ui,sans-serif;overflow-wrap:anywhere;hyphens:auto}h1,h2,h3,p,figure{margin:0 0 1rem}h1,h2,h3{line-height:1.13;letter-spacing:-.035em}h1{font-size:clamp(2.5rem,5.5vw,4.8rem);max-width:17ch}h2{font-size:clamp(1.7rem,3vw,2.6rem)}h3{font-size:1.25rem}a{color:var(--accent-primary);text-underline-offset:.25em}a:hover{text-decoration-thickness:2px}button,input,textarea,select{font:inherit}button,a,input,textarea,select{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}:focus-visible{outline:3px solid var(--accent-primary);outline-offset:4px}img{display:block;width:100%;height:100%;object-fit:cover;border-radius:0}button,input,textarea,select,.panel{border-radius:0}.wrap{width:min(1200px,calc(100% - 48px));margin-inline:auto}.skip{position:absolute;left:20px;top:-90px;background:#fff;padding:12px;z-index:20}.skip:focus{top:12px}.site-header{position:relative;margin:18px auto;width:calc(100% - 32px);max-width:1400px;border:1px solid var(--border-subtle);border-radius:48px;padding:16px 24px;display:flex;align-items:center;gap:24px;background:#fff;z-index:5}.brand{display:flex;align-items:center;gap:10px;color:var(--text-primary);text-decoration:none;font-weight:750;font-size:.94rem;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:29px;height:29px;border:2px solid var(--accent-primary);font:700 17px ui-monospace,Consolas,monospace;color:var(--accent-primary)}.navigation{margin-left:auto;display:flex;align-items:center;gap:16px}.navigation a{font-size:.8rem;font-weight:650;text-decoration:none;color:var(--text-primary);white-space:nowrap}.navigation a[aria-current=page]{color:var(--accent-primary);text-decoration:underline}.menu-toggle{display:none;margin-left:auto;background:none;border:0;color:var(--text-primary);font-size:2rem;line-height:1;min-width:44px;min-height:44px}.label,.step-number,summary,.small-heading{font-family:ui-monospace,Consolas,monospace}.label{font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-primary);font-weight:700;margin-bottom:16px}.muted,.caption{color:var(--text-muted)}.caption{font-size:.85rem;margin-top:10px}.intro{font-size:1.14rem;max-width:58ch}.hero,.practice-grid{background-image:linear-gradient(#dce0e580 1px,transparent 1px),linear-gradient(90deg,#dce0e580 1px,transparent 1px);background-size:32px 32px}.hero{padding:56px 0 64px}.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center}.hero-copy{background:#fffffff0;padding:24px 0}.hero-image{aspect-ratio:4/3;border:1px solid var(--border-subtle)}.primary{display:inline-flex;justify-content:center;align-items:center;padding:13px 20px;background:var(--accent-primary);border:1px solid var(--accent-primary);color:white;text-decoration:none;font-weight:700;transition:transform .3s var(--ease-kinetic),background .3s}.primary:hover{background:var(--accent-secondary);transform:translateY(-3px)}.text-link{display:inline-block;text-decoration:none;background:linear-gradient(var(--accent-primary),var(--accent-primary)) left bottom/25% 1px no-repeat;padding-bottom:4px;transition:background-size .3s var(--ease-kinetic)}.text-link:hover{background-size:100% 1px}.actions{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin-top:24px}.skill-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--border-subtle);margin:32px 0 0;background:#fff}.skill-strip div{padding:15px 18px;border-right:1px solid var(--border-subtle)}.skill-strip div:last-child{border:0}.skill-strip strong{display:block;font:700 .85rem ui-monospace,Consolas,monospace}.skill-strip span{font-size:.85rem;color:var(--text-muted)}.section{padding:64px 0;border-bottom:1px solid var(--border-subtle)}.section-heading{display:flex;align-items:start;gap:24px;margin-bottom:28px}.step-number{color:var(--accent-primary);border:1px solid var(--border-subtle);padding:8px 10px;font-size:.85rem;flex-shrink:0}.section-heading h2{max-width:25ch}.panel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}.panel{border:1px solid var(--border-subtle);padding:26px;background:var(--bg-canvas);transition:transform .35s var(--ease-kinetic),border-color .35s,background .35s}.panel:hover{transform:translateY(-3px);border-color:var(--accent-primary)}.panel h3{margin-bottom:12px}.panel p:last-child{margin-bottom:0}.split-panel{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--border-subtle);background:white}.split-panel .panel-copy{padding:32px}.media-frame{aspect-ratio:4/3}.banner-frame{aspect-ratio:16/9}.thumbnail-frame{width:100px;aspect-ratio:1;flex-shrink:0}.compact-panel{display:flex;align-items:center;gap:20px}.surface{background:var(--bg-surface)}.practice-grid{padding:32px}.checklist{padding-left:22px}.checklist li{margin-bottom:10px}.route{counter-reset:route;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.route article{counter-increment:route}.route article:before{content:"0" counter(route);display:block;color:var(--accent-primary);font:700 1rem ui-monospace,Consolas,monospace;margin-bottom:20px}details{border:1px solid var(--border-subtle);background:#fff;margin-bottom:12px}summary{cursor:pointer;padding:18px 22px;font-weight:650;font-size:.94rem}details[open] summary{border-bottom:1px solid var(--border-subtle);color:var(--accent-primary)}.detail-content{padding:20px 22px}.detail-content p:last-child{margin-bottom:0}.page-intro{padding:56px 0 32px}.page-intro h1{font-size:clamp(2.4rem,5vw,4rem)}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:start;padding-bottom:64px}.article-body{width:100%;max-width:72ch;margin:0 auto}.article-body h2{font-size:1.8rem;margin-top:38px}.article-body h3{margin-top:28px}.article-body figure{margin:28px 0}.article-aside{border:1px solid var(--border-subtle);padding:24px;background:var(--bg-surface)}.article-aside ul{padding-left:20px}.article-aside h2{font:700 1rem ui-monospace,Consolas,monospace;letter-spacing:0}.table-scroll{overflow-x:auto;margin:24px 0}table{width:100%;border-collapse:collapse;font-size:.9rem;min-width:540px}th,td{text-align:left;vertical-align:top;border:1px solid var(--border-subtle);padding:14px}th{background:var(--bg-surface)}.reading{max-width:72ch;margin:0 auto;padding:0 0 64px}.reading h2{font-size:1.65rem;margin-top:32px}.notice{border-left:3px solid var(--accent-primary);padding:16px 20px;background:var(--bg-surface);margin:24px 0}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.field{margin-bottom:18px}.field label{display:block;font-weight:650;margin-bottom:7px}.field small{display:block;color:var(--text-muted);margin-top:6px}input,textarea,select{width:100%;padding:12px;border:1px solid #89939b;background:#fff;color:var(--text-primary)}textarea{min-height:180px;resize:vertical}.plain-button{border:0;padding:8px 0;background:none;color:var(--accent-primary);text-decoration:underline;text-underline-offset:5px}.status{min-height:1.7em;margin-top:14px;color:var(--text-muted)}.site-footer{padding:36px 0;background:var(--bg-surface)}.footer-grid{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.footer-links{display:flex;gap:18px;flex-wrap:wrap}.site-footer p{font-size:.85rem;margin:12px 0 0}.site-footer a{font-size:.9rem}.reveal{opacity:1;transform:none}.motion-ready .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease-kinetic),transform .7s var(--ease-kinetic)}.motion-ready .reveal-visible{opacity:1;transform:translateY(0)}[hidden]{display:none!important}
@media(min-width:1025px){.article-aside{position:sticky;top:24px}}
@media(min-width:769px) and (max-width:1024px){.site-header{gap:12px;padding:16px}.navigation{gap:10px}.navigation a{font-size:.7rem}.brand{font-size:.8rem}.hero-grid{gap:28px}.article-layout{grid-template-columns:minmax(0,1fr) 230px;gap:24px}}
@media(max-width:768px){.site-header{padding:10px 18px;min-height:66px}.menu-toggle{display:block}.navigation{display:none;position:absolute;top:calc(100% + 10px);left:0;right:0;background:white;border:1px solid var(--border-subtle);padding:16px;flex-direction:column;align-items:stretch;gap:0}.navigation.is-open{display:flex;animation:menuIn .25s var(--ease-kinetic)}.navigation a{font-size:1rem;padding:10px}.hero-grid,.split-panel,.article-layout{grid-template-columns:1fr}.hero{padding:24px 0 40px}.hero-copy{padding:16px 0}.hero-image{max-height:440px}.article-aside{order:-1}.section{padding:42px 0}.skill-strip{grid-template-columns:1fr 1fr}.skill-strip div:nth-child(2){border-right:0}.skill-strip div:nth-child(-n+2){border-bottom:1px solid var(--border-subtle)}.article-layout{gap:28px}.page-intro{padding-top:32px}.section-heading{gap:14px}}
@media(max-width:480px){.wrap{width:calc(100% - 32px)}.brand{font-size:.78rem;gap:7px}.brand-mark{width:25px;height:25px}.site-header{width:calc(100% - 20px);padding:8px 12px}.panel-grid,.route,.form-grid{grid-template-columns:1fr}.panel,.split-panel .panel-copy{padding:22px}.practice-grid{padding:18px}.hero h1{font-size:2.65rem}.compact-panel{align-items:start;gap:14px}.thumbnail-frame{width:74px}.footer-grid{display:block}.footer-links{margin-top:18px}.skill-strip div{padding:12px}.actions{gap:16px}}
@keyframes menuIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.motion-ready .reveal{opacity:1;transform:none}.panel:hover,.primary:hover{transform:none}}