*,*::before,*::after{box-sizing:border-box}
::selection{background:var(--accent-soft);color:var(--ink)}
html{scroll-behavior:smooth}
body{overflow-x:hidden}
a{color:inherit;text-underline-offset:.2em}
button{font:inherit}
code{font-family:var(--mono);font-size:.88em}
.skip-link{position:absolute;left:16px;top:-60px;z-index:100;background:var(--ink);color:var(--card);padding:10px 16px}
.skip-link:focus{top:16px}
.nav{position:sticky;top:0;z-index:40;height:68px;display:flex;align-items:center;gap:32px;padding:0 clamp(20px,4vw,64px);border-bottom:1px solid transparent;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(18px);transition:border-color .2s}
.nav.is-scrolled{border-color:var(--line)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:15px;font-weight:700;letter-spacing:-.02em}
.brand-mark{width:28px;height:28px;border-radius:7px;display:block;box-shadow:0 1px 2px rgba(24,23,21,.12)}
.brand-mark.sm{width:20px;height:20px;border-radius:5px}
.nav-links{display:flex;gap:24px;margin-left:auto}
.nav-links a,.nav-open{border:0;background:none;color:var(--ink-soft);font-size:13px;text-decoration:none;cursor:pointer}
.nav-links a:hover,.nav-open:hover{color:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;border:1px solid var(--line);border-radius:3px;padding:10px 16px;background:transparent;color:var(--ink);font-size:13px;font-weight:650;text-decoration:none;cursor:pointer;transition:background .15s,color .15s,border-color .15s,transform .15s}
.btn:hover{border-color:var(--ink)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--ink);border-color:var(--ink);color:var(--card)}
.btn-primary:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-ghost{background:var(--card)}
.btn-lg{min-height:48px;padding:12px 20px;font-size:14px}
.btn-sm{padding:7px 11px;font-size:12px}
#btn-try{display:none}
.hero{min-height:calc(100vh - 68px);display:grid;grid-template-columns:minmax(0,.9fr) minmax(420px,1.1fr);align-items:center;gap:clamp(48px,7vw,112px);max-width:1440px;margin:auto;padding:clamp(64px,9vw,128px) clamp(24px,6vw,96px)}
.hero-copy{max-width:650px}
.eyebrow,.section-index,.figure-label{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.hero h1{margin:22px 0 28px;font-family:var(--serif);font-size:clamp(3.4rem,6.3vw,6.6rem);font-weight:400;line-height:.95;letter-spacing:-.055em}
.hero h1 em{font-weight:400;color:var(--accent)}
.lede{max-width:600px;margin:0 0 34px;color:var(--ink-soft);font-size:clamp(16px,1.5vw,19px);line-height:1.8}
.hero-cta{display:flex;flex-wrap:wrap;gap:10px}
.install-chip{display:flex;align-items:center;gap:10px;margin-top:16px;padding:0;border:0;background:none;color:var(--ink-soft);font-family:var(--mono);font-size:11px;cursor:pointer}
.install-chip>span:first-child{color:var(--accent)}
.copy-mark{margin-left:8px;border-bottom:1px solid var(--line);font-family:var(--font);font-size:10px}
.install-chip.is-copied{color:var(--accent)}
.hero-visual{position:relative;padding-top:26px}
.figure-label{position:absolute;right:0;top:0;color:var(--ink-faint)}
.paper-card{position:relative;max-width:650px;margin-left:auto;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow)}
.paper-toolbar{height:52px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:10px;color:var(--ink-faint)}
.paper-state::before{content:"";display:inline-block;width:5px;height:5px;margin-right:7px;border-radius:50%;background:#638566}
.paper-body{min-height:540px;padding:clamp(42px,7vw,86px) clamp(38px,7vw,88px)}
.paper-kicker{font-family:var(--mono);font-size:9px;letter-spacing:.12em;color:var(--ink-faint)}
.paper-body h2{margin:22px 0 30px;font-family:var(--serif);font-size:clamp(38px,4vw,58px);font-weight:400;letter-spacing:-.04em}
.paper-body p,.paper-body blockquote{font-family:var(--serif);font-size:16px;line-height:1.9}
.paper-body blockquote{margin:34px 0;padding-left:20px;border-left:1px solid var(--accent);color:var(--ink-soft);font-style:italic}
.paper-list{margin:8px 0!important}.paper-list span{display:inline-block;width:24px;color:var(--accent)}.paper-list.muted{color:var(--ink-faint)}
.source-peek{position:absolute;right:-30px;bottom:36px;width:min(340px,70%);display:grid;gap:8px;padding:14px 18px;background:var(--ink);color:#eee9df;box-shadow:0 18px 44px rgba(20,18,16,.2)}
.source-peek span{font-family:var(--mono);font-size:8px;letter-spacing:.14em;text-transform:uppercase;color:#8f8980}
.source-peek code{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px}
.manifesto{padding:clamp(88px,12vw,180px) clamp(24px,7vw,112px);background:var(--ink);color:var(--card)}
.manifesto>.section-index{max-width:1220px;margin:0 auto 70px;color:#ad6a55}
.manifesto-copy{max-width:1220px;margin:auto;display:grid;grid-template-columns:.65fr 1.35fr;gap:50px;align-items:start}
.manifesto-lead{margin:8px 0;color:#a9a49b;font-family:var(--serif);font-style:italic}
.manifesto h2{margin:0;font-family:var(--serif);font-size:clamp(3rem,7vw,7rem);font-weight:400;line-height:.95;letter-spacing:-.055em}
.principles{max-width:1220px;margin:clamp(80px,12vw,160px) auto 0;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #3e3b37}
.principles article{padding:28px 40px 10px 0;border-right:1px solid #3e3b37}
.principles article+article{padding-left:40px}
.principles article:last-child{border:0}
.principles span{font-family:var(--mono);font-size:9px;color:#8a847c}
.principles h3{margin:30px 0 16px;font-family:var(--serif);font-size:25px;font-weight:400}
.principles p{margin:0;color:#a9a49b;font-size:14px;line-height:1.8}
.section{max-width:1280px;margin:auto;padding:clamp(88px,11vw,160px) clamp(24px,5vw,72px)}
.section-head{display:grid;grid-template-columns:180px minmax(0,1fr);column-gap:40px;margin-bottom:60px}
.section-head .section-index{grid-row:1/4}
.section-head h2{margin:0 0 20px;font-family:var(--serif);font-size:clamp(3rem,6vw,6rem);font-weight:400;line-height:.98;letter-spacing:-.05em}
.section-head>p:not(.section-index){max-width:600px;margin:0;color:var(--ink-soft);line-height:1.7}
.editor-shell{border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow)}
.editor-bar{min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 14px 10px 20px;border-bottom:1px solid var(--line)}
.editor-file,.editor-actions{display:flex;align-items:center;gap:8px}.editor-actions{flex-wrap:wrap}
.file-dot{width:6px;height:6px;border-radius:50%;background:#638566}.file-dot[data-status=dirty]{background:#c18b3f}.file-dot[data-status=saving]{background:var(--accent);animation:pulse 1s infinite}
.file-name{font-family:var(--mono);font-size:11px}.file-meta{font-size:11px;color:var(--ink-faint)}
.editor-stage,.editor-mount{min-height:560px}.editor-stage{position:relative}
.editor-mount .handymd .ProseMirror{min-height:540px;padding-top:58px;padding-bottom:80px}
.editor-skeleton{padding:70px max(40px,10%);display:grid;gap:16px}.sk{height:11px;background:var(--paper-deep);animation:pulse 1.4s infinite}.sk-h{width:38%;height:32px}.sk-p{width:86%}.sk-p.short{width:62%}.sk-li{width:52%;margin-left:20px}.sk-quote{width:68%;height:40px;border-left:2px solid var(--accent)}
.editor-hint{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);color:var(--ink-faint);font-size:11px}
.editor-stage.is-ready .editor-skeleton,.editor-stage.is-ready .editor-hint{display:none}
.playground-note{display:flex;justify-content:space-between;gap:20px;margin:16px 0 0;color:var(--ink-soft);font-size:12px}.playground-note a{color:var(--accent)}
.install-section{border-top:1px solid var(--line)}
.code-panel{position:relative;grid-column:2;background:var(--ink);color:#eee9df;border:1px solid var(--ink)}
.code-tabs{display:flex;border-bottom:1px solid #3e3b37}
.code-tab{border:0;background:none;padding:13px 18px;color:#88827a;font-family:var(--mono);font-size:10px;cursor:pointer}.code-tab.is-active{color:#fff;background:#262421}
.code-block{min-height:150px;margin:0;padding:28px;overflow:auto;line-height:1.7}.code-block code{background:none}
.code-copy{position:absolute;right:12px;top:7px;color:#ddd!important;border-color:#48443f!important}
.install-links{grid-column:2;display:flex;flex-wrap:wrap;gap:24px;margin-top:22px;font-size:12px}.install-links a{text-decoration:none;border-bottom:1px solid var(--line)}
.closing{padding:clamp(90px,12vw,170px) 24px;text-align:center;background:var(--card);border-top:1px solid var(--line)}
.closing>p{font-family:var(--mono);font-size:9px;letter-spacing:.18em;color:var(--accent)}
.closing h2{margin:24px 0 40px;font-family:var(--serif);font-size:clamp(3.5rem,8vw,8rem);font-weight:400;line-height:.9;letter-spacing:-.055em}
.closing>div{display:flex;justify-content:center;align-items:center;gap:28px}.text-link{font-size:13px;text-decoration:none;border-bottom:1px solid var(--line)}
.footer{max-width:1280px;margin:auto;display:flex;align-items:center;gap:20px;padding:28px clamp(24px,5vw,72px);color:var(--ink-faint);font-size:11px}.footer-brand{display:flex;align-items:center;gap:8px;color:var(--ink)}.footer p{flex:1}.footer a{text-decoration:none}
.drop-overlay{position:fixed;inset:0;z-index:90;display:grid;place-items:center;background:rgba(24,23,21,.72);backdrop-filter:blur(8px)}.drop-overlay[hidden]{display:none}.drop-card{padding:56px;border:1px solid #79736a;background:var(--ink);color:#fff;text-align:center}.drop-card{display:grid;gap:8px}.drop-card span{color:#aaa49b;font-size:12px}
.toast{position:fixed;left:50%;bottom:24px;z-index:100;transform:translate(-50%,12px);padding:10px 16px;background:var(--ink);color:#fff;font-size:12px;opacity:0;transition:.2s}.toast.is-on{opacity:1;transform:translate(-50%,0)}
@keyframes pulse{50%{opacity:.45}}
@media(max-width:900px){.nav-links,.nav-open{display:none}.hero{grid-template-columns:1fr;min-height:auto}.hero-visual{max-width:680px}.manifesto-copy{grid-template-columns:1fr}.manifesto-lead{max-width:380px}.section-head{grid-template-columns:1fr}.section-head .section-index{grid-row:auto;margin-bottom:28px}.code-panel,.install-links{grid-column:auto}}
@media(max-width:640px){.nav{height:60px;padding:0 16px}.brand-text{display:none}#btn-editor{padding:9px 12px}.hero{padding:70px 20px 90px;gap:64px}.hero h1{font-size:3.4rem}.paper-body{min-height:460px;padding:44px 28px}.source-peek{right:-10px}.manifesto{padding:88px 20px}.manifesto>.section-index{margin-bottom:42px}.principles{grid-template-columns:1fr}.principles article,.principles article+article{padding:28px 0;border-right:0;border-bottom:1px solid #3e3b37}.section{padding:88px 16px}.section-head h2{font-size:3.4rem}.editor-bar{align-items:flex-start}.file-meta{display:none}.editor-actions .btn:nth-child(-n+2){display:none}.editor-stage,.editor-mount{min-height:500px}.playground-note{display:block;line-height:1.7}.playground-note span{display:block}.closing h2{font-size:4rem}.footer{flex-wrap:wrap}.footer p{order:3;flex-basis:100%;margin:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}