:root{--bg: #f4efe6;--panel: #fdfbf6;--ink: #232f36;--muted: #4c5b63;--ember: #d4531a;--ember-ink: #b8430f;--metal: #6b7f3e;--line: #e0d9c9;--logo-paper: #fffefb;--font-display: "Lora", serif;--font-body: "IBM Plex Sans", sans-serif;--font-mono: "Fragment Mono", monospace;--h-weight: 700;--h-track: -.02em;--focus: #b8430f;--ease: cubic-bezier(.16, 1, .3, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1)}:root[data-theme=dark]{--bg: #14120f;--panel: #1c1915;--ink: #f0ead9;--muted: #a49d8d;--ember: #e8a13c;--ember-ink: #e8a13c;--metal: #c98548;--line: #2c2820;--logo-paper: #f0ead9;--font-display: "Sora", sans-serif;--h-weight: 800;--h-track: -.035em;--focus: #e8a13c}*{box-sizing:border-box}html,body{overflow-x:clip}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.65;text-rendering:optimizeLegibility}img{max-width:100%}a{color:inherit}h1,h2,h3{margin:0;min-width:0;overflow-wrap:anywhere;color:var(--ink);font-family:var(--font-display);font-weight:var(--h-weight);letter-spacing:var(--h-track);text-wrap:balance}p{text-wrap:pretty}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.wrap{width:min(100%,75rem);margin-inline:auto;padding-inline:24px}.mono{font-family:var(--font-mono);font-size:12px;line-height:1.35;letter-spacing:.1em;text-transform:uppercase}[id]{scroll-margin-top:88px}nav.top{position:sticky;top:0;z-index:200;background:color-mix(in srgb,var(--bg) 91%,transparent);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}nav.top .wrap{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:8px;color:var(--ink);text-decoration:none;white-space:nowrap}.brand .logo{width:auto;height:34px;display:block}.brand .logo-dark{display:none}:root[data-theme=dark] .brand .logo-light{display:none}:root[data-theme=dark] .brand .logo-dark{display:block}nav.top .links{display:flex;align-items:center;gap:16px}nav.top a{color:var(--muted);font-size:13.5px;text-decoration:none;white-space:nowrap}nav.top a:hover{color:var(--ink)}nav.top a.cta,.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--ember-ink);border-radius:999px;background:var(--ember-ink);color:var(--bg);font-weight:600;text-decoration:none;cursor:pointer;transition:transform .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease)}nav.top a.cta{min-height:38px;padding-inline:16px;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase}.btn{padding-inline:24px}.btn:hover,nav.top a.cta:hover{border-color:var(--ink);background:var(--ink);color:var(--bg);transform:translateY(-1px)}.btn:active,nav.top a.cta:active{transform:translateY(1px)}.ghost{min-height:44px;display:inline-flex;align-items:center;color:var(--ember-ink);font-weight:600;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px}.tbtn,.menubtn{min-width:44px;height:44px;display:inline-grid;place-items:center;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--ink);cursor:pointer}.tbtn:hover,.menubtn:hover{border-color:var(--ember);color:var(--ember-ink)}.menubtn{display:none;width:auto;padding-inline:14px}.cs-hero{background:var(--panel);border-bottom:1px solid var(--line)}.cs-hero .wrap{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(18rem,.88fr);gap:clamp(28px,4vw,60px);align-items:center;padding-block:clamp(34px,4.4vw,54px) clamp(36px,4.6vw,58px)}.cs-kicker{color:var(--ember-ink)}.cs-hero h1{max-width:13ch;margin-top:14px;font-size:clamp(2.2rem,4.3vw,3.5rem);line-height:1.02}.cs-hero h1 span{display:block;color:var(--ember)}.cs-lede{max-width:52ch;margin:20px 0 0;color:var(--muted);font-size:clamp(1rem,1.5vw,1.14rem);line-height:1.68}.cs-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:28px}.cs-actions .btn,.cs-actions .ghost{white-space:nowrap}.cs-sheet{padding:clamp(22px,2.6vw,30px);border:1px solid var(--line);border-top:4px solid var(--ember);background:var(--bg)}.cs-sheet-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding-bottom:18px;border-bottom:1px solid var(--line)}.cs-sheet-head>span:first-child{color:var(--muted)}.cs-price{color:var(--ember-ink);text-align:right}.cs-cur{display:block;margin-top:12px;color:var(--muted);font-size:9.5px;letter-spacing:.14em}.cs-terms{margin:14px 0 4px;color:var(--muted);font-size:10px;letter-spacing:.13em;text-transform:uppercase;line-height:1.7;text-wrap:balance}.cs-meta{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:max-content minmax(0,1fr);column-gap:22px}.cs-meta li{display:grid;grid-column:1 / -1;grid-template-columns:subgrid;align-items:baseline;row-gap:2px;padding-block:14px;border-bottom:1px solid var(--line)}.cs-meta strong{color:var(--ink);font-family:var(--font-display);font-size:1.06rem;line-height:1.3;white-space:nowrap}.cs-meta span{color:var(--muted);font-size:15px}.cs-note{margin:18px 0 0;color:var(--muted);font-size:14px;line-height:1.6}.cs-shell{width:min(100%,75rem);margin-inline:auto;padding:0 24px clamp(30px,4vw,48px);display:grid;grid-template-columns:210px minmax(0,1fr);gap:clamp(26px,3.4vw,50px);align-items:start}.cs-side{position:sticky;top:88px;padding-top:38px;display:flex;flex-direction:column;gap:20px}.cs-toc .toc-h{display:block;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);padding-left:13px;margin-bottom:9px}.cs-toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--line)}.cs-toc a{display:block;padding:6px 0 6px 13px;margin-left:-1px;border-left:2px solid transparent;color:var(--muted);text-decoration:none;font-size:12.5px;line-height:1.4}.cs-toc a:hover{color:var(--ink)}.cs-toc a.active{color:var(--ember-ink);border-left-color:var(--ember);font-weight:600}.cs-side .btn{font-size:13.5px;padding-inline:14px}.cs-side .side-note{margin:0;font-family:var(--font-mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);line-height:1.8}.cs-toc-mobile{display:none}.cs-main{padding:38px 0 0;counter-reset:cs-sec;display:flex;flex-direction:column;gap:20px}.cs-card{min-width:0;background:var(--panel);border:1px solid var(--line);border-radius:4px;padding:clamp(20px,2.3vw,28px);transition:border-color .35s var(--ease),box-shadow .35s var(--ease)}.cs-card>h2{position:relative;padding-left:34px;font-size:clamp(1.12rem,1.7vw,1.32rem);line-height:1.28}.cs-card>h2:before{counter-increment:cs-sec;content:counter(cs-sec,decimal-leading-zero);position:absolute;left:0;top:.32em;font-family:var(--font-mono);font-size:11.5px;font-weight:400;letter-spacing:.08em;color:var(--ember)}.cs-card>:last-child{margin-bottom:0}.cs-card.current{border-color:color-mix(in srgb,var(--ember) 55%,var(--line));box-shadow:0 0 0 1px color-mix(in srgb,var(--ember) 22%,transparent)}.cs-card.note{border-left:3px solid var(--ember);border-radius:4px 14px 14px 4px}.cs-card.note p{color:var(--ink)}.cs-cardlede{margin:12px 0 0;color:var(--muted);font-size:15.5px;line-height:1.7}.cs-duo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:start}.cs-duo.solo{grid-template-columns:minmax(0,1fr)}.cs-intro{display:grid;grid-template-columns:minmax(0,208px) minmax(0,1fr);column-gap:clamp(22px,3vw,36px);align-items:start}.cs-portrait{grid-row:1 / span 2;margin:0}.cs-portrait img{width:100%;height:auto;display:block;border:1px solid var(--line);border-radius:4px;filter:saturate(.78) contrast(.98) sepia(.06)}.cs-portrait figcaption{margin-top:9px;color:var(--muted);font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;line-height:1.5}.cs-list{list-style:none;margin:14px 0 0;padding:0}@supports (columns: 2){.cs-duo.solo .cs-list{columns:2;column-gap:clamp(24px,3.4vw,46px)}.cs-duo.solo .cs-list li{break-inside:avoid}}.cs-list li{position:relative;padding-left:20px;margin-top:14px}.cs-list li:before{content:"";position:absolute;left:3px;top:10px;width:6px;height:6px;border-radius:50%;background:var(--ember)}.cs-list h3{font-size:15.5px;line-height:1.4}.cs-list p{margin:3px 0 0;color:var(--muted);font-size:14.5px;line-height:1.62}.cs-steps{counter-reset:cs-step;list-style:none;margin:14px 0 0;padding:0}.cs-steps li{counter-increment:cs-step;position:relative;padding-left:30px;margin-top:14px}.cs-steps li:before{content:counter(cs-step,decimal-leading-zero);position:absolute;left:0;top:1px;font-family:var(--font-mono);font-size:11.5px;color:var(--ember-ink)}.cs-steps h3{font-size:15.5px;line-height:1.4}.cs-steps p{margin:3px 0 0;color:var(--muted);font-size:14.5px;line-height:1.62}.cs-outcome{margin:20px 0 0;padding-left:18px;border-left:3px solid var(--ember);color:var(--ink);font-family:var(--font-display);font-size:1.02rem;line-height:1.5}.cs-steps.split{column-gap:clamp(24px,3.4vw,46px)}@supports (columns: 2){.cs-steps.split{columns:2}.cs-steps.split li{break-inside:avoid}}.cs-facts{list-style:none;margin:18px 0 0;padding:0;border-top:1px solid var(--line)}.cs-facts li{display:grid;grid-template-columns:minmax(96px,.6fr) minmax(0,1.4fr);gap:16px;padding-block:12px;border-bottom:1px solid var(--line)}.cs-facts.row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 clamp(18px,2.6vw,34px);border-bottom:1px solid var(--line)}.cs-facts.row li{display:block;border-bottom:0}.cs-facts.row strong{display:block;font-size:1.34rem}.cs-facts.row span{display:block;margin-top:2px}.cs-facts strong{color:var(--ember-ink);font-family:var(--font-display);font-size:1.08rem}.cs-facts span{color:var(--muted);font-size:14.5px}.cs-card .ghost{margin-top:16px;font-size:14.5px}.cs-fold{border-top:1px solid var(--line)}.cs-fold details{border-bottom:1px solid var(--line)}.cs-fold summary{min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding-block:8px;color:var(--ink);cursor:pointer;font-family:var(--font-display);font-weight:var(--h-weight);font-size:15.5px;line-height:1.38;list-style:none}.cs-fold summary::-webkit-details-marker{display:none}.cs-fold summary:after{content:"+";flex:none;color:var(--ember);font-family:var(--font-mono);font-size:18px}.cs-fold details[open] summary:after{content:"−"}.cs-fold .fa{margin:0;padding:0 0 18px;color:var(--muted);font-size:14.5px;line-height:1.66}.cs-discreet{margin-top:18px}.cs-logos{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:14px;border-top:1px solid var(--line);border-left:1px solid var(--line)}.cs-logo{min-height:96px;display:grid;place-items:center;padding:14px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--logo-paper)}.cs-logo img{width:100%;max-width:118px;height:56px;object-fit:contain;filter:grayscale(1);opacity:.78;transition:filter .18s var(--ease),opacity .18s var(--ease)}.cs-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:18px}.cs-gallery figure{min-width:0;margin:0}.cs-gallery img{width:100%;height:auto;aspect-ratio:4/3;display:block;object-fit:cover;filter:saturate(.84) contrast(.98)}.cs-gallery figcaption{margin-top:7px;color:var(--muted);font-size:13.5px}.cs-book{background:var(--panel);border-top:1px solid var(--line);padding-block:clamp(38px,4.6vw,60px)}.cs-book-head{display:grid;grid-template-columns:minmax(0,.84fr) minmax(0,1.16fr);gap:clamp(28px,5vw,72px);align-items:end}.cs-book-head h2{max-width:18ch;font-size:clamp(1.7rem,3.2vw,2.5rem);line-height:1.08}.cs-book-head p{max-width:60ch;margin:0;color:var(--muted)}.cs-calendar{width:min(100%,58rem);margin:30px auto 0;padding:8px;border:1px solid var(--line);background:var(--bg)}#cal-inline{width:100%;min-height:656px;overflow:clip}#cal-inline:empty{display:grid;place-items:center}#cal-inline:empty:before{content:"Loading calendar…";color:var(--muted);font-family:var(--font-mono);font-size:12px;letter-spacing:.08em}.cs-fallback{margin:16px 0 0;color:var(--muted);font-size:14px}.cs-fallback a{color:var(--ember-ink);text-underline-offset:4px;white-space:nowrap}footer{padding-block:32px;border-top:1px solid var(--line)}footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px}footer span,footer a{color:var(--muted);font-size:13px}footer a{white-space:nowrap}.rise{opacity:0;transform:translateY(14px);transition:opacity .7s var(--ease),transform .7s var(--ease)}.rise.in{opacity:1;transform:none}@media(hover:hover)and (pointer:fine){.cs-logo:hover img{filter:grayscale(0);opacity:1}}@media(max-width:61.99rem){nav.top .links{flex:1;justify-content:flex-end;gap:8px}nav.top .links>a:not(.cta):not(.always),nav.top .bookmenu{display:none}.menubtn{display:inline-grid}nav.top.open .wrap{align-items:flex-start;padding-block:10px}nav.top.open .links{flex-wrap:wrap}nav.top.open .links>a:not(.cta),nav.top.open .bookmenu{display:block;flex:1 1 100%;order:10}nav.top.open .links>a:not(.cta){min-height:44px;padding-block:10px;border-top:1px solid var(--line)}nav.top.open .bookmenu{order:11}nav.top.open .cta{order:1}nav.top.open .tbtn{order:2}nav.top.open .menubtn{order:3}.cs-shell{grid-template-columns:minmax(0,1fr);gap:0}.cs-side{position:static;flex-direction:row;flex-wrap:wrap;align-items:center;gap:14px;padding-top:22px}.cs-toc{display:none}.cs-side .btn{flex:0 0 auto}.cs-side .side-note{flex:1 1 12rem}.cs-toc-mobile{display:block;flex:1 1 100%;order:-1;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.cs-toc-mobile summary{min-height:46px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;list-style:none;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}.cs-toc-mobile summary::-webkit-details-marker{display:none}.cs-toc-mobile summary:after{content:"+";color:var(--ember);font-size:16px}.cs-toc-mobile[open] summary:after{content:"−"}.cs-toc-mobile ol{list-style:none;margin:0;padding:0 0 12px}.cs-toc-mobile a{display:block;min-height:40px;padding:9px 0;border-top:1px solid var(--line);color:var(--muted);font-size:14px;line-height:1.45;text-decoration:none}.cs-main{padding-top:22px}}@media(max-width:54rem){.cs-hero .wrap{grid-template-columns:minmax(0,1fr);gap:26px}.cs-hero h1{max-width:none}.cs-sheet{width:min(100%,32rem)}.cs-duo{grid-template-columns:minmax(0,1fr)}.cs-duo.solo .cs-list,.cs-steps.split{columns:1}.cs-facts.row{grid-template-columns:repeat(3,minmax(0,1fr))}.cs-intro{grid-template-columns:minmax(0,1fr)}.cs-portrait{grid-row:auto;width:min(100%,11rem);margin-bottom:20px}.cs-book-head{grid-template-columns:minmax(0,1fr);gap:20px}.cs-book-head h2{max-width:none}}@media(max-width:39.99rem){.brand .mono{display:none}nav.top:not(.open) .links>a.always{display:none}nav.top .wrap{gap:8px}nav.top a.cta{padding-inline:13px;font-size:10px}.cs-actions{align-items:stretch;flex-direction:column}.cs-actions .btn,.cs-actions .ghost{width:100%;justify-content:center}.cs-side .btn{flex:1 1 100%}.cs-logos{grid-template-columns:repeat(2,minmax(0,1fr))}.cs-gallery{grid-template-columns:minmax(0,1fr)}.cs-facts li{grid-template-columns:minmax(0,1fr);gap:2px}.cs-facts.row{grid-template-columns:minmax(0,1fr);border-bottom:0}.cs-facts.row li{border-bottom:1px solid var(--line);padding-block:12px}.cs-facts.row strong{font-size:1.14rem}footer .wrap{display:grid}}@media(max-width:26.9rem){.btn{font-size:clamp(12.6px,3.75vw,15.5px);padding-inline:clamp(14px,4.6vw,24px)}.ghost{font-size:clamp(11.6px,3.4vw,14.5px)}.cs-meta{grid-template-columns:minmax(0,1fr)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.rise{opacity:1;transform:none}*,*:before,*:after{animation-duration:.15s!important;animation-delay:0ms!important;transition-duration:.15s!important}}