/* Layout: one calm reading column for prose, widening to a two-up "terminal → note" exhibit and a tool index; Still's own palette and Geist. */
:root{
 --ground:#f4f4f2; --sheet:#ffffff; --ink:#1d1b22; --body:#45414c; --muted:#7f7a89; --rule:#e2dfe8;
 --tile:#55515c; --lilac:#e5dcf5; --blush:#f6dbe4; --sand:#efe6c4; --mint:#dcefe4;
 --term:#1f1d24; --term-ink:#e9e6ef; --term-dim:#9a95a6; --term-accent:#c9b8f0;
 --display:"Instrument Serif",Georgia,"Times New Roman",serif;
 --sans:Geist,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
 --mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
 --shadow:0 1px 2px rgba(40,20,60,.06),0 18px 40px -22px rgba(40,20,60,.35);
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
 --ground:#17161a; --sheet:#211f25; --ink:#f1eff5; --body:#c9c5d1; --muted:#938e9e; --rule:#34313b;
 --tile:#c9c4d3; --lilac:#3a3150; --blush:#47303a; --sand:#3e3826; --mint:#24392f;
 --term:#0f0e12; --term-ink:#e9e6ef; --term-dim:#8a8596; --term-accent:#c9b8f0;
 --shadow:0 1px 2px rgba(0,0,0,.3),0 18px 40px -22px rgba(0,0,0,.7); color-scheme:dark}}
:root[data-theme="dark"]{
 --ground:#17161a; --sheet:#211f25; --ink:#f1eff5; --body:#c9c5d1; --muted:#938e9e; --rule:#34313b;
 --tile:#c9c4d3; --lilac:#3a3150; --blush:#47303a; --sand:#3e3826; --mint:#24392f;
 --term:#0f0e12; --term-ink:#e9e6ef; --term-dim:#8a8596; --term-accent:#c9b8f0;
 --shadow:0 1px 2px rgba(0,0,0,.3),0 18px 40px -22px rgba(0,0,0,.7); color-scheme:dark}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ground);color:var(--body);font:400 17px/1.6 var(--sans);padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
a{color:var(--ink);text-decoration-color:var(--muted);text-underline-offset:3px}
a:focus-visible,button:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:6px}
code,kbd,.mono{font-family:var(--mono);font-size:.86em}
code{background:var(--lilac);color:var(--ink);padding:.08em .38em;border-radius:5px}
kbd{display:inline-block;min-width:1.7em;text-align:center;padding:.05em .4em;border:1px solid var(--rule);border-bottom-width:2px;border-radius:6px;background:var(--sheet);color:var(--ink)}
.wrap{max-width:1080px;margin:0 auto}
.narrow{max-width:680px}
header.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:22px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:600;letter-spacing:-.01em}
.brand svg{width:28px;height:28px}
nav.links{display:flex;gap:20px;font-size:15px}
nav.links a{text-decoration:none;color:var(--muted)}
nav.links a[aria-current]{color:var(--ink)}
.eyebrow{font:500 12px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
h1,h2,h3{color:var(--ink);text-wrap:balance;margin:0}
h1{font:400 clamp(44px,7vw,84px)/1.02 var(--display);letter-spacing:-.01em}
h1 em{font-style:italic}
h2{font:400 clamp(32px,4.2vw,46px)/1.1 var(--display)}
h3{font:600 18px/1.3 var(--sans);letter-spacing:-.01em}
p{margin:0}
.lede{font-size:clamp(18px,2vw,21px);line-height:1.55;max-width:34em;color:var(--body)}
.hero{display:grid;gap:28px;padding-block:48px 40px}
.cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.button{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:999px;background:var(--ink);color:var(--ground);text-decoration:none;font-weight:500;font-size:15px}
.button.quiet{background:transparent;color:var(--ink);border:1px solid var(--rule)}
/* Exhibit: a terminal on the left, the note Still made from it on the right. */
.exhibit{display:grid;grid-template-columns:1.05fr auto 1fr;gap:18px;align-items:center;padding-block:12px 56px}
.terminal{background:var(--term);color:var(--term-ink);border-radius:14px;box-shadow:var(--shadow);font:13.5px/1.6 var(--mono);overflow:hidden;min-width:0}
.terminal .bar{display:flex;gap:7px;padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.07)}
.terminal .bar i{width:11px;height:11px;border-radius:50%;background:#3a3742}
.terminal .bar span{margin-left:8px;color:var(--term-dim);font-size:12px}
.terminal pre{margin:0;padding:16px 18px 20px;white-space:pre-wrap;word-break:break-word;overflow-x:auto}
.t-dim{color:var(--term-dim)}.t-acc{color:var(--term-accent)}.t-you{color:#f6dbe4}
.arrow{display:grid;justify-items:center;gap:8px;color:var(--muted);font:500 12px/1.3 var(--mono);text-align:center}
.arrow svg{width:44px;height:20px}
.note{background:var(--sheet);border-radius:14px;box-shadow:var(--shadow);padding:20px 22px 22px;min-width:0;display:grid;gap:10px}
.note .meta{display:flex;justify-content:space-between;gap:10px;font:500 12px/1 var(--mono);color:var(--muted)}
.note .book{display:inline-flex;align-items:center;gap:6px}
.note .book::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lilac);outline:1px solid var(--rule)}
.note h4{margin:0;font:600 20px/1.25 var(--sans);color:var(--ink);letter-spacing:-.01em}
.note .front{font:12.5px/1.6 var(--mono);color:var(--muted);background:var(--ground);border-radius:8px;padding:10px 12px;white-space:pre-wrap;overflow-x:auto}
.note p{font-size:15px}
.note blockquote{margin:0;padding-left:12px;border-left:3px solid var(--blush);color:var(--muted);font-size:14px}
section{padding-block:56px;border-top:1px solid var(--rule)}
.section-head{display:grid;gap:14px;margin-bottom:34px}
/* Tool index: three groups by what the tool does for you. */
.groups{display:grid;gap:40px}
.group{display:grid;grid-template-columns:200px 1fr;gap:28px}
.group-label{display:grid;gap:8px;align-content:start}
.group-label .swatch{width:34px;height:34px;border-radius:10px}
.tools{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr));gap:14px}
.tool{background:var(--sheet);border:1px solid var(--rule);border-radius:14px;padding:18px 18px 16px;display:grid;gap:10px;align-content:start;min-width:0}
.tool .num{font:500 12px/1 var(--mono);color:var(--muted)}
.tool p{font-size:15px;line-height:1.55}
.tool dl{margin:4px 0 0;display:grid;grid-template-columns:auto 1fr;gap:6px 12px;font-size:13.5px}
.tool dt{font:500 11px/1.9 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.tool dd{margin:0;min-width:0;overflow-wrap:anywhere}
/* Folder tree */
.tree-wrap{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.tree{background:var(--sheet);border:1px solid var(--rule);border-radius:14px;padding:18px 20px;font:14px/1.85 var(--mono);color:var(--ink);overflow-x:auto;margin:0;white-space:pre}
.tree .c{color:var(--muted)}
.steps{display:grid;gap:18px;counter-reset:step;padding:0;margin:0;list-style:none}
.steps li{display:grid;grid-template-columns:34px 1fr;gap:14px}
.steps li::before{counter-increment:step;content:counter(step);width:34px;height:34px;border-radius:50%;background:var(--lilac);color:var(--ink);display:grid;place-items:center;font:600 14px/1 var(--mono)}
.steps strong{color:var(--ink)}
.promises{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:22px}
.promises div{display:grid;gap:6px}
.faq{display:grid;gap:22px}
.faq div{display:grid;gap:6px}
footer{padding-block:40px 56px;border-top:1px solid var(--rule);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:var(--muted);font-size:14px}
@media (max-width:860px){
 .exhibit{grid-template-columns:1fr}
 .arrow svg{transform:rotate(90deg)}
 .group{grid-template-columns:1fr;gap:16px}
 .group-label{grid-template-columns:auto 1fr;align-items:center}
 .tree-wrap{grid-template-columns:1fr}
}
@media (max-width:520px){nav.links{gap:14px;font-size:14px}.hero{padding-block:28px 28px}}
@media (prefers-reduced-motion:no-preference){
 .cursor{display:inline-block;width:.55em;height:1.05em;vertical-align:-.15em;background:var(--term-accent);animation:blink 1.1s steps(1) infinite}
 @keyframes blink{50%{opacity:0}}
}
/* Shared site chrome, added for the full site. */
nav.links{flex-wrap:wrap;justify-content:flex-end;row-gap:6px}
.page-hero{display:grid;gap:18px;padding-block:44px 36px}
.page-hero h1{font-size:clamp(40px,6vw,68px)}
/* Home: the morning page mock */
.shot{margin:0 0 56px;min-width:0}
.shot img{display:block;width:100%;height:auto;border-radius:16px;box-shadow:var(--shadow);border:1px solid var(--rule);background:var(--sheet)}
.shot figcaption{margin-top:12px;font-size:14px;color:var(--muted);text-align:center}
.shot-small{max-width:520px;margin:40px auto 0}.shot-small img{border-radius:12px}
/* Features: one chapter per area */
.chapter{display:grid;grid-template-columns:260px 1fr;gap:36px;padding-block:44px;border-top:1px solid var(--rule)}
.chapter:first-of-type{border-top:0}
.chapter .glyph{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:24px;color:var(--ink)}
.chapter .side{display:grid;gap:12px;align-content:start}
.chapter .body{display:grid;gap:18px;min-width:0}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:12px 28px;margin:0;padding:0;list-style:none}
.facts li{display:grid;gap:3px;padding-top:12px;border-top:1px solid var(--rule)}
.facts strong{color:var(--ink);font-weight:600}
.facts span{font-size:15px}
.table-wrap{overflow-x:auto;border:1px solid var(--rule);border-radius:12px;background:var(--sheet)}
table{border-collapse:collapse;width:100%;font-size:14.5px}
th,td{text-align:left;padding:10px 14px;border-top:1px solid var(--rule);vertical-align:top}
thead th{border-top:0;font:500 11px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
td code{white-space:nowrap}
.keys{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14.5px}
.keys span{display:inline-flex;gap:6px;align-items:center}
/* Download */
.panel{background:var(--sheet);border:1px solid var(--rule);border-radius:16px;padding:24px;display:grid;gap:14px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:var(--mint);color:var(--ink);font:500 12px/1.4 var(--mono)}
.pill.wait{background:var(--sand)}
.prose{display:grid;gap:14px;max-width:680px}
.prose h3{margin-top:14px}
footer nav{display:flex;flex-wrap:wrap;gap:16px}
footer nav a{color:var(--muted);text-decoration:none}
@media (max-width:860px){

 .chapter{grid-template-columns:1fr;gap:18px}
 .two{grid-template-columns:1fr}
}