/* Tactile: paper, ink and keycaps. Ember is the only accent. */
:root {
  --paper: #f4f2ee;
  --surface: #fdfbf7;
  --raised: #ebe7e0;
  --line: rgba(22, 19, 15, 0.09);
  --ink: #16130f;
  --ink2: #55504a;
  --ink3: #6b655c;
  --ember: #ff5b1f;
  --ember-text: #c2410c;
  /* Keyboard */
  --tray: #dcd7ce;
  --cap: #fffdf8;
  --cap-edge: rgba(22, 19, 15, 0.28);
  --fn: #c3bdb2;
  --serif: ui-serif, "New York", "Iowan Old Style", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0e0d0b; --surface: #1a1916; --raised: #26241f; --line: rgba(244, 241, 235, 0.09);
    --ink: #f4f1eb; --ink2: #bdb7ad; --ink3: #9b958b; --ember: #ff6a33; --ember-text: #ff8a5c;
    --tray: #1d1b18; --cap: #3a3631; --cap-edge: rgba(0, 0, 0, 0.6); --fn: #2a2723;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased;
}
a { color: var(--ember-text); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--ember); outline-offset: 2px; border-radius: 6px; }
.wrap { max-width: 1120px; margin: 0 auto; padding-left: 32px; padding-right: 32px; }

/* Nav */
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none;
  font: 500 20px/1 var(--serif); }
.brand img { width: 28px; height: 28px; border-radius: 8px; }
.nav nav { display: flex; gap: 24px; font-size: 15px; }
.nav nav a { color: var(--ink2); text-decoration: none; transition: color 150ms var(--ease); }
.nav nav a:hover { color: var(--ink); }

/* Signature: the keycap */
kbd {
  display: inline-block; padding: 0 8px; min-width: 28px; height: 28px; text-align: center;
  font: 500 14px/28px var(--sans); color: var(--ink);
  background: var(--cap); border-radius: 6px; box-shadow: 0 1px 0 var(--cap-edge), 0 0 0 0.5px var(--line);
}

/* Hero */
.hero { padding-top: 96px; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-copy { text-align: center; }
.hero h1 {
  font: 500 clamp(44px, 7vw, 76px)/1.04 var(--serif); letter-spacing: -0.03em; margin: 0 auto 24px;
}
.hero h1, h2, .lede { text-wrap: balance; }
.lede { font-size: 20px; line-height: 30px; color: var(--ink2); max-width: 34rem; margin: 0 auto 32px; }
.actions { display: flex; gap: 24px; justify-content: center; align-items: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; height: 48px; font-weight: 500; font-size: 16px;
  text-decoration: none; }
.btn.primary { padding: 0 20px; border-radius: 12px; background: var(--ink); color: var(--paper); }
.btn.link { color: var(--ink); }
.btn.link span { transition: transform 150ms var(--ease); }
.btn.link:hover span { transform: translateX(3px); }

/* The keyboard, drawn in code */
.stage { display: flex; justify-content: center; margin-top: 80px; padding: 0 16px; }
.board {
  width: min(760px, 100%); padding: 16px 12px 0; border-radius: 28px 28px 0 0;
  background: var(--tray);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5), 0 -1px 0 var(--line), 0 40px 80px -24px rgba(70, 45, 20, 0.28);
}
.field {
  display: flex; align-items: center; height: 56px; padding: 0 20px; margin: 0 4px 12px;
  background: var(--surface); border-radius: 16px; font-size: 18px; color: var(--ink);
}
.caret { width: 2px; height: 24px; margin-left: 2px; background: var(--ember); border-radius: 1px; }
.bar { display: grid; grid-template-columns: 1fr 1fr 1fr; height: 44px; align-items: center; text-align: center;
  font-size: 17px; color: var(--ink2); }
.bar span + span { border-left: 1px solid var(--line); }
.bar .top { color: var(--ink); font-weight: 500; }
.keys { padding: 8px 0 32px; display: grid; gap: 12px; }
.row { display: flex; gap: 8px; justify-content: center; }
.row.inset { padding: 0 5%; }
.row i {
  flex: 1 1 0; display: grid; place-items: center; height: clamp(40px, 7vw, 56px); max-width: 68px;
  font: 400 clamp(17px, 2.6vw, 24px)/1 var(--sans); font-style: normal; color: var(--ink);
  background: var(--cap); border-radius: 8px; box-shadow: 0 1px 0 var(--cap-edge);
}
.row i.fn { background: var(--fn); font-size: clamp(13px, 1.8vw, 16px); }
.row i.wide { flex-grow: 1.45; max-width: 100px; }
.row i.wider { flex-grow: 2.2; max-width: 160px; }
.row i.space { flex-grow: 5.6; max-width: none; font-size: clamp(13px, 1.8vw, 16px); color: var(--ink3); }
.row i svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linejoin: round; stroke-linecap: round; }
.row i.down { background: var(--ember); color: #16130f; box-shadow: 0 0 0 var(--cap-edge); transform: translateY(1px); }

/* Sections */
.feature { padding: 112px 0; border-bottom: 1px solid var(--line); }
.feature.quiet { padding: 96px 0; }
h2 { font: 500 clamp(32px, 4.2vw, 48px)/1.1 var(--serif); letter-spacing: -0.02em; margin: 0 0 16px; }
.copy p { color: var(--ink2); font-size: 18px; line-height: 28px; margin: 0; max-width: 34rem; }
.copy p + p { margin-top: 16px; }
.copy.narrow { max-width: 40rem; margin-bottom: 48px; }
.fine, .copy p.fine { font-size: 14px; line-height: 20px; color: var(--ink3); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }

/* Adaptive Touch: taps and learned centres */
.touch { margin: 0; }
.touch-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding: 24px; background: var(--tray);
  border-radius: 20px; }
.tk { position: relative; aspect-ratio: 0.82; background: var(--cap); border-radius: 12px; box-shadow: 0 1px 0 var(--cap-edge); }
.tk span { position: absolute; inset: 0; display: grid; place-items: start center; padding-top: 16%; font-size: clamp(22px, 3vw, 32px); color: var(--ink); }
.tk b, .tk em { position: absolute; left: calc(50% + var(--x)); top: calc(50% + var(--y)); transform: translate(-50%, -50%); }
.tk b { width: 10px; height: 10px; border-radius: 50%; background: var(--ink); opacity: 0.16; }
.tk em { width: 16px; height: 16px; }
.tk em::before, .tk em::after { content: ""; position: absolute; background: var(--ember); border-radius: 1px; }
.tk em::before { left: 7px; top: 0; width: 2px; height: 16px; }
.tk em::after { top: 7px; left: 0; height: 2px; width: 16px; }
.touch figcaption { display: flex; align-items: center; gap: 8px; margin-top: 16px; font-size: 14px; color: var(--ink3); }
.touch figcaption .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--ink); opacity: 0.25; }
.touch figcaption .cross { position: relative; width: 12px; height: 12px; margin-left: 16px; }
.touch figcaption .cross::before, .touch figcaption .cross::after { content: ""; position: absolute; background: var(--ember); }
.touch figcaption .cross::before { left: 5px; width: 2px; height: 12px; }
.touch figcaption .cross::after { top: 5px; height: 2px; width: 12px; }

/* Autocorrect strength and numbers */
.seg { display: inline-flex; padding: 4px; gap: 4px; background: var(--raised); border-radius: 12px; margin-bottom: 48px; }
.seg button { height: 40px; padding: 0 20px; border: 0; border-radius: 8px; background: transparent; color: var(--ink2);
  font: 500 15px/1 var(--sans); cursor: pointer; transition: background-color 150ms var(--ease), color 150ms var(--ease); }
.seg button:hover { color: var(--ink); }
.seg button[aria-checked="true"] { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08); }
.figures { display: grid; grid-template-columns: 1fr 1fr 1.4fr; gap: 32px; border-top: 1px solid var(--line); padding-top: 32px; }
.figures .big { font: 400 clamp(64px, 9vw, 112px)/1 var(--serif); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.figures div:first-child .big { color: var(--ember-text); }
.figures .of { font: 400 24px/1 var(--serif); color: var(--ink3); margin-left: 8px; }
.figures p { margin: 12px 0 0; color: var(--ink2); font-size: 16px; line-height: 24px; max-width: 18rem; }
.strength > .fine { margin: 32px 0 0; }

/* Feel */
.feel { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.wave { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.wave svg { width: 100%; height: 72px; fill: none; stroke: var(--ink); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.wave:first-child svg { stroke: var(--ember); }
.wave span { display: block; margin-top: 12px; font-size: 15px; color: var(--ink2); }
.sounds { grid-column: 1 / -1; display: flex; gap: 8px; flex-wrap: wrap; padding: 20px; background: var(--tray); border-radius: 16px; }
.sounds kbd { height: 40px; line-height: 40px; padding: 0 16px; font-size: 15px; font-weight: 400; }
.sounds kbd.on { background: var(--ink); color: var(--paper); }

/* Duo: split with a dead zone */
.duo { display: grid; grid-template-columns: 1fr 96px 1fr; height: 240px; background: var(--tray); border-radius: 20px; overflow: hidden; }
.duo .half { display: grid; grid-template-rows: repeat(3, 1fr); gap: 12px; padding: 24px; }
.duo .half:first-child { justify-items: end; }
.duo .half i { width: 100%; max-width: 132px; display: grid; place-items: center; font-style: normal; font-size: 22px;
  background: var(--cap); border-radius: 8px; box-shadow: 0 1px 0 var(--cap-edge); }
.duo .gap { background: repeating-linear-gradient(135deg, transparent 0 8px, var(--line) 8px 9px);
  border-left: 1px dashed var(--cap-edge); border-right: 1px dashed var(--cap-edge); }

/* Themes as keycaps */
.themes { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(9, 1fr); gap: 12px; }
.themes li { display: grid; gap: 12px; font-size: 14px; color: var(--ink2); text-align: center; }
.themes li > span { display: flex; gap: 6px; padding: 12px 10px; border-radius: 14px; background: var(--tray); }
.themes li i { flex: 1; height: 48px; display: grid; place-items: center; font: 400 20px/1 var(--font, var(--sans)); font-style: normal;
  color: var(--ink); background: var(--cap); border-radius: var(--r, 8px); box-shadow: 0 1px 0 rgba(0, 0, 0, 0.25); }
.also { margin: 48px 0 0; color: var(--ink2); }
.also kbd { margin: 0 4px; font-family: ui-monospace, Menlo, monospace; font-size: 14px; }

/* Pricing */
.plans { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 16px; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 24px; }
.plan.featured { border-color: var(--ink); box-shadow: inset 0 0 0 0.5px var(--ink); }
.plan h3 { margin: 0; font: 500 16px/24px var(--sans); }
.price { font: 400 48px/1 var(--serif); margin: 20px 0 12px; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.price span { font: 400 16px/1 var(--sans); color: var(--ink3); margin-left: 6px; letter-spacing: 0; }
.plan p { margin: 0; color: var(--ink2); font-size: 15px; line-height: 22px; }
#pro .fine { margin: 24px 0 0; }

/* Legal pages */
.doc { max-width: 720px; padding-top: 32px; padding-bottom: 96px; }
.doc h1 { font: 500 clamp(36px, 5vw, 52px)/1.08 var(--serif); letter-spacing: -0.02em; margin: 24px 0 12px; }
.doc .updated { color: var(--ink3); font-size: 15px; margin-bottom: 40px; }
.doc h2 { font-size: 24px; margin: 40px 0 8px; }
.doc p, .doc li { color: var(--ink2); }
.doc strong { color: var(--ink); font-weight: 600; }

footer { padding: 32px 0 48px; color: var(--ink3); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer .links { display: flex; gap: 24px; }
footer a { color: var(--ink2); text-decoration: none; }
footer a:hover { color: var(--ink); }

@media (max-width: 900px) {
  .themes { grid-template-columns: repeat(3, 1fr); }
  .split { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 640px) {
  .wrap { padding-left: 20px; padding-right: 20px; }
  .nav nav a.hide-sm { display: none; }
  .hero { padding-top: 56px; }
  .lede { font-size: 18px; line-height: 28px; }
  .stage { margin-top: 56px; padding: 0; }
  .board { padding: 12px 4px 0; border-radius: 20px 20px 0 0; }
  .field { height: 48px; font-size: 16px; padding: 0 16px; }
  .keys { gap: 10px; padding-bottom: 24px; }
  .row { gap: 5px; }
  .row i { border-radius: 6px; }
  .feature { padding: 80px 0; }
  .figures { grid-template-columns: 1fr 1fr; }
  .figures div:last-child { grid-column: 1 / -1; }
  .plans { grid-template-columns: 1fr; }
  .duo { grid-template-columns: 1fr 48px 1fr; height: 200px; }
  .duo .half { padding: 16px; }
  .touch-row { padding: 16px; gap: 8px; }
}