/* Velofy product page. Instrument theme: dark ground by default, paper behind the toggle, one sage accent,
   hairline rules, pill controls, an ASCII field. Same tokens as velofy.co. */
:root{color-scheme:dark;--paper:#0b0c0a;--panel:#121410;--ink:#edede6;--prose:#dcdcd4;--muted:#a3a79b;--line:#2a2d26;--accent:#8d9184;--soft:#171a15;--edge:#3a3e35;--footer:#070806;
  --display:'Space Grotesk',system-ui,sans-serif;--sans:'IBM Plex Sans',system-ui,sans-serif;--mono:'IBM Plex Mono',ui-monospace,monospace;--serif:'Instrument Serif',Georgia,serif}
html[data-theme="light"]{color-scheme:light;--paper:#f4f3ee;--panel:#ebebe4;--ink:#12130f;--prose:#23241f;--muted:#595c52;--line:#d6d7cd;--accent:#63665b;--soft:#e6e6de;--edge:#c3c5b9;--footer:#12130f}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--display);letter-spacing:-.03em;color:var(--ink);margin:0}
p{margin:0}
a{color:inherit}
.skip{position:absolute;top:-100px;left:20px;padding:1rem;background:var(--ink);color:var(--paper);z-index:100}
.skip:focus{top:15px}
.wrap{max-width:1280px;margin:0 auto;padding:0 48px}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--muted)}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.status{display:inline-block;padding:2px 9px;margin-right:8px;border:1px solid var(--line);border-radius:999px;color:var(--accent)}

/* Pills, as on velofy.co */
.pill{display:inline-flex;align-items:center;gap:10px;height:40px;padding:0 5px 0 18px;border-radius:999px;border:1px solid transparent;font:500 14px/1 var(--sans);text-decoration:none;white-space:nowrap}
.pill--primary{background:var(--ink);color:var(--paper)}
.pill--primary:hover{background:var(--accent);color:var(--paper)}
.pill--ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.pill--ghost:hover{border-color:var(--ink)}
.pill-arrow{display:grid;place-items:center;flex:none;width:28px;height:28px;border-radius:50%;background:var(--paper);color:var(--ink)}
.pill--ghost .pill-arrow{background:var(--soft)}
.pill-arrow::after{content:'';width:12px;height:12px;background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M1 6h9M6.5 2.5L10 6l-3.5 3.5' fill='none' stroke='%23000' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M1 6h9M6.5 2.5L10 6l-3.5 3.5' fill='none' stroke='%23000' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}
.pill-arrow--out::after{transform:rotate(-45deg)}
@media(prefers-reduced-motion:no-preference){.pill{transition:background-color .15s,border-color .15s,color .15s}.pill-arrow::after{transition:transform .22s cubic-bezier(.22,1,.36,1)}.pill:hover .pill-arrow::after{transform:translateX(2px)}.pill:hover .pill-arrow--out::after{transform:rotate(-45deg) translateX(2px)}}
.text-link{display:inline-flex;align-items:center;min-height:44px;font-size:14px;color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}

/* Header */
.hdr{position:sticky;top:0;z-index:60;display:flex;align-items:center;gap:14px;height:64px;padding:0 48px;background:var(--paper);border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;gap:13px;min-height:44px;color:var(--ink);text-decoration:none}
.brand span{font-family:var(--display);font-size:17px;font-weight:500;letter-spacing:-.02em}
.brand:hover svg{color:var(--accent)}
.crumb{color:var(--muted)}
.crumb-name{font-family:var(--display);font-size:17px;font-weight:500;letter-spacing:-.02em;color:var(--ink);text-decoration:none;min-height:44px;display:inline-flex;align-items:center}
.hdr-links{display:flex;gap:4px;margin-left:24px}
.hdr-links a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;border-radius:999px;font-size:14px;color:var(--muted);text-decoration:none}
.hdr-links a:hover{color:var(--ink);background:var(--soft)}
.hdr-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.theme{display:inline-flex;align-items:center;justify-content:center;width:64px;height:40px;padding:0;border:1px solid var(--line);border-radius:999px;background:var(--soft);cursor:pointer}
.theme-track{position:relative;display:block;width:40px;height:20px;border-radius:999px;background:var(--line)}
.theme-thumb{position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:var(--ink);transition:transform .2s}
html[data-theme="light"] .theme-thumb{transform:translateX(20px)}

/* Hero */
.hero{padding:72px 0 56px}
.hero h1{margin:18px 0 20px;font-size:clamp(40px,6vw,84px);font-weight:600;letter-spacing:-.045em;line-height:1}
.lede{max-width:60ch;font-size:19px;line-height:1.6;color:var(--muted)}
.ctas{display:flex;flex-wrap:wrap;gap:10px;margin:32px 0 48px}
.ascii{position:relative;margin:0;overflow:hidden;border:1px solid var(--line);border-radius:2px;aspect-ratio:16/6;background:var(--panel);color:var(--ink)}
.ascii canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.ascii figcaption{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--serif);font-size:clamp(28px,4.2vw,52px);letter-spacing:-.01em;line-height:1;color:var(--ink);pointer-events:none}

/* Sections */
.section{padding:56px 0 0}
.section-head{display:grid;grid-template-columns:110px 1fr;align-items:baseline;gap:25px;margin-bottom:30px}
.section-no{font-family:var(--mono);font-size:11px;letter-spacing:.065em;color:var(--muted)}
.section-head h2{font-size:36px;font-weight:500;letter-spacing:-.045em;line-height:1.05}
.grid{display:grid;gap:16px}
.card{display:grid;gap:10px;align-content:start;padding:24px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
.card h3{font-size:20px;font-weight:500;letter-spacing:-.03em;line-height:1.2}
.card p{color:var(--muted);font-size:15px;line-height:1.6}
.card--link{text-decoration:none;color:var(--ink)}
.card--link:hover{border-color:var(--edge)}
.card--link .mono{margin-top:4px}
.steps{display:grid;gap:0;margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
.steps li{display:grid;grid-template-columns:60px minmax(0,1fr);gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
.step-no{font-family:var(--mono);font-size:12px;color:var(--accent);padding-top:6px}
.steps h3{font-size:20px;font-weight:500;letter-spacing:-.03em;margin-bottom:6px}
.steps p{color:var(--muted);font-size:15px;line-height:1.6;max-width:64ch}
.facts{display:grid;margin:0;border-top:1px solid var(--line)}
.facts div{display:grid;grid-template-columns:180px minmax(0,1fr);gap:20px;padding:14px 0;border-bottom:1px solid var(--line)}
.facts dt{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding-top:4px}
.facts dd{margin:0;font-size:16px;color:var(--prose)}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;padding:16px 0;font-family:var(--display);font-size:19px;font-weight:500;letter-spacing:-.02em;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'';flex:none;width:9px;height:9px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);margin-right:6px}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq p{padding:0 0 20px;max-width:68ch;color:var(--prose);font-size:16px;line-height:1.7}

/* Bands */
.band{margin-top:56px;padding:40px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--panel)}
.release-row{display:grid;gap:24px}
.release-version{margin:10px 0 8px;font-size:32px;font-weight:500;letter-spacing:-.04em}
.release-version .mono{margin-left:10px;font-size:13px}
.release-summary{color:var(--muted);max-width:60ch;font-size:16px}
.release-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding-top:6px}
.release-actions .install{max-width:100%}
.install{display:flex;align-items:center;gap:10px;min-height:48px;padding:0 4px 0 16px;border:1px solid var(--line);border-radius:999px;background:var(--paper)}
.install code{font-family:var(--mono);font-size:13px;color:var(--ink);overflow-wrap:anywhere}
.copy{min-height:40px;min-width:44px;padding:0 14px;border:0;border-radius:999px;background:var(--soft);color:var(--ink);font:500 12px var(--sans);cursor:pointer}
.book{margin-top:64px;margin-bottom:0}
.book-row{display:grid;gap:24px}
.book h2{margin:10px 0 10px;font-size:34px;font-weight:500;letter-spacing:-.045em;line-height:1.05}
.book p{color:var(--muted);max-width:56ch}
.book-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px}

/* Footer */
.ftr{margin-top:80px;padding:48px 0 32px;background:var(--footer);color:#edede6;border-top:1px solid var(--line)}
.ftr .brand,.ftr .brand span{color:#edede6}
.ftr-row{display:grid;gap:32px}
.ftr p{max-width:40ch;margin-top:14px;font-size:14px;line-height:1.6;color:#a3a79b}
.ftr nav{display:grid;gap:2px}
.ftr nav a{display:inline-flex;align-items:center;min-height:44px;font-size:14px;color:#c9c9c0;text-decoration:none}
.ftr nav a:hover{color:#edede6}
.ftr-bottom{display:flex;justify-content:space-between;gap:16px;margin-top:32px;padding-top:20px;border-top:1px solid #1c1e19;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:#a3a79b}
.ftr .mono{color:#a3a79b}

@media(min-width:700px){
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .release-row{grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:start}
  .book-row{grid-template-columns:minmax(0,1fr) auto;align-items:end}
  .ftr-row{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr)}
}
@media(min-width:1000px){
  .grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid--related{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(max-width:900px){
  .hdr{padding:0 28px}.hdr-links{display:none}
  .wrap{padding:0 28px}
}
@media(max-width:700px){
  .hdr{height:60px;padding:0 22px;gap:10px}.hdr-actions .pill{display:none}
  .wrap{padding:0 22px}
  .hero{padding:44px 0 40px}
  .lede{font-size:17px}
  .ascii{aspect-ratio:4/3}
  .section{padding-top:44px}
  .section-head{grid-template-columns:25px 1fr;gap:12px;margin-bottom:22px}
  .section-head h2{font-size:29px}
  .steps li{grid-template-columns:32px minmax(0,1fr);gap:12px}
  .facts div{grid-template-columns:1fr;gap:4px}
  .band{margin-top:44px;padding:32px 0}
  .release-version{font-size:26px}
  .ftr{margin-top:56px}
}