/* Sans-Accent: one serif family, the icon's navy and blue; red belongs to accents only. */
:root {
  --paper: #f6f7fa;
  --ink: #151a33;
  --muted: #565c75;
  --line: #d9dde8;
  --blue: #1f3e9a;
  --blue-ink: #ffffff;
  --red: #d62839;
  --field: #ffffff;
  --panel: #ffffff;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f1220;
    --ink: #eceef6;
    --muted: #a3a8bf;
    --line: #2a3050;
    --blue: #7f9bff;
    --blue-ink: #0f1220;
    --red: #ff5d6c;
    --field: #161a2d;
    --panel: #1c2138;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0f1220; --ink: #eceef6; --muted: #a3a8bf; --line: #2a3050; --blue: #7f9bff;
  --blue-ink: #0f1220; --red: #ff5d6c; --field: #161a2d; --panel: #1c2138; color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Literata", Georgia, serif;
  font-optical-sizing: auto;
  font-size: 1.125rem;
  line-height: 1.65;
}
.page { width: min(46rem, 100% - 32px); margin-inline: auto; }
a { color: var(--blue); text-underline-offset: 0.18em; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 4px; }

/* Keys, drawn like keycaps */
.keys { white-space: nowrap; }
kbd {
  display: inline-block;
  min-width: 1.7em;
  padding: 0 0.35em;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 6px;
  background: var(--panel);
  font: 600 0.8em/1.6 system-ui, -apple-system, sans-serif;
  text-align: center;
  vertical-align: 0.1em;
}

/* Header */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.25rem;
}
.brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 700; color: var(--ink); text-decoration: none; }
.brand img { width: 34px; height: 34px; }
.top nav { display: flex; gap: 1.1rem; }
.top nav a { color: var(--muted); font-size: 0.95rem; }

/* Hero */
.hero { padding-block: 3.5rem 2.5rem; }
h1 {
  margin: 0;
  font-size: clamp(2.3rem, 6.4vw, 4rem);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.02em;
  max-width: 16ch;
  text-wrap: balance;
}
.lead { margin: 1.25rem 0 0; font-size: clamp(1.2rem, 2.6vw, 1.45rem); color: var(--muted); max-width: 40ch; }

/* The demo: a real field over a copy that paints the accents red */
.demo { margin-top: 2.25rem; }
.demo label { display: block; margin-bottom: 0.5rem; color: var(--muted); font-size: 1rem; }
.demo-box { position: relative; }
.demo-box textarea, .demo-box .mirror {
  margin: 0;
  width: 100%;
  min-height: 3.6em;
  padding: 0.7rem 0.9rem;
  border: 1.5px solid transparent;
  border-radius: 14px;
  font: 500 clamp(1.45rem, 3.8vw, 2.1rem)/1.45 "Literata", Georgia, serif;
  letter-spacing: 0;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  overflow: hidden;
}
.demo-box .mirror {
  position: absolute;
  inset: 0;
  color: var(--ink);
  pointer-events: none;
}
.demo-box textarea {
  position: relative;
  display: block;
  resize: none;
  background: transparent;
  color: transparent;
  caret-color: var(--ink);
  border-color: var(--line);
}
.demo-box { background: var(--field); border-radius: 14px; }
.demo-box textarea:focus { outline: none; border-color: var(--blue); }
.demo-box textarea::placeholder { color: var(--muted); opacity: 0.7; }
.accent { color: var(--red); }
.accent.fresh { animation: pop 0.45s ease-out; display: inline-block; }
@keyframes pop { from { transform: translateY(-0.25em) scale(1.25); } to { transform: none; } }

.choices { display: flex; align-items: center; gap: 0.6rem; margin-top: 0.8rem; font-size: 1rem; color: var(--muted); }
.choices[hidden] { display: none; }
.choices button {
  font: 600 1.05rem/1 "Literata", Georgia, serif;
  min-width: 2.6rem;
  padding: 0.45rem 0.7rem;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
}
.choices button[aria-pressed="true"], .choices button.pressing { background: var(--blue); border-color: var(--blue); color: var(--blue-ink); }

/* Download */
.download { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.25rem; margin-top: 2.25rem; }
.button {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.35rem;
  border-radius: 12px;
  background: var(--blue);
  color: var(--blue-ink);
  font-weight: 700;
  text-decoration: none;
}
.button svg { width: 1.1em; height: 1.1em; }
.button.secondary { background: transparent; color: var(--blue); box-shadow: inset 0 0 0 1.5px var(--blue); }
.support { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.5rem 0 1rem; }
.note { color: var(--muted); font-size: 0.95rem; }
.download p { margin: 0; color: var(--muted); font-size: 0.95rem; max-width: 26ch; line-height: 1.45; }

/* Sections */
section { padding-block: 3rem; border-top: 1px solid var(--line); }
h2 { margin: 0 0 1.5rem; font-size: clamp(1.6rem, 3.4vw, 2rem); line-height: 1.2; letter-spacing: -0.01em; }
h3 { margin: 0 0 0.35rem; font-size: 1.2rem; line-height: 1.3; }
section p { margin: 0 0 1rem; max-width: 62ch; }

.feature {
  display: grid;
  grid-template-columns: 1fr 13rem;
  gap: 1.5rem 2.5rem;
  align-items: center;
  padding-block: 1.4rem;
}
.feature + .feature { border-top: 1px dashed var(--line); }
.feature p { margin: 0; }
.example { justify-self: end; font-size: 1.6rem; font-weight: 500; white-space: nowrap; }
.example .typed { color: var(--muted); }
.example .arrow { color: var(--muted); font-size: 1.1rem; margin-inline: 0.35rem; }

/* A small copy of the app's choice list */
.mini-list {
  justify-self: end;
  display: grid;
  gap: 2px;
  padding: 5px;
  width: 7.5rem;
  border-radius: 10px;
  background: var(--panel);
  box-shadow: 0 6px 24px rgb(21 26 51 / 0.14), 0 0 0 1px var(--line);
  font-size: 1.15rem;
}
.mini-list span { padding: 0.1rem 0.55rem; border-radius: 6px; }
.mini-list .on { background: var(--blue); color: var(--blue-ink); }
.mini-list small { padding: 0 0.55rem; font: 0.7rem/1.6 system-ui, sans-serif; color: var(--muted); }
.big-key { justify-self: end; font-size: 2.2rem; }

.faq h3 { margin-top: 1.6rem; }
.faq h3:first-child { margin-top: 0; }
.faq p { margin-bottom: 0; }

table { width: 100%; max-width: 40rem; margin: 0.5rem 0 1.25rem; border-collapse: collapse; font-size: 1rem; }
th, td { padding: 0.55rem 0.75rem 0.55rem 0; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
th { font-weight: 700; }
td:first-child { font-weight: 600; }

ol.steps { margin: 0; padding: 0; list-style: none; counter-reset: step; }
ol.steps li { counter-increment: step; display: grid; grid-template-columns: 2.4rem 1fr; gap: 0.8rem; margin-bottom: 1rem; max-width: 62ch; }
ol.steps li::before {
  content: counter(step);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--blue);
  font-variant-numeric: oldstyle-nums;
}

footer { padding-block: 3rem 4rem; border-top: 1px solid var(--line); }
footer p { color: var(--muted); font-size: 0.95rem; max-width: 60ch; }

@media (max-width: 640px) {
  .hero { padding-block: 2rem 1.5rem; }
  .feature { grid-template-columns: 1fr; }
  .example, .mini-list, .big-key { justify-self: start; }
}
@media (prefers-reduced-motion: reduce) {
  .accent.fresh { animation: none; }
}