@font-face {
  font-family: "Big Shoulders Text";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("fonts/big-shoulders-800.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Noto Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("fonts/noto-sans.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Noto Sans";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/noto-sans-italic.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --desk: #d4dbe2;
  --sheet: #f4f6f8;
  --ink: #1a2228;
  --quiet: #5a656e;
  --mute: #5a656e;
  --line: #b0bac3;
  --key: #f7f8fa;
  --mic: #1b6b5a;
  --idle: #1b6b5a;
  --foam: #f4f6f8;
  --card: #e8eef2;
  --cream: #f4f6f8;
  --muted: #5a656e;
  --max: 42rem;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; overflow-x: hidden; }
html { background: var(--desk); }
body {
  font-family: "Noto Sans", ui-sans-serif, system-ui, sans-serif;
  background: var(--desk);
  color: var(--ink);
  line-height: 1.55;
  font-size: 1.05rem;
}
a { color: var(--mic); }
a:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--mic);
  outline-offset: 3px;
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.2rem; }

.skip {
  position: absolute;
  left: 0.8rem;
  top: -3rem;
  background: var(--ink);
  color: var(--sheet);
  padding: 0.4rem 0.7rem;
  z-index: 20;
  text-decoration: none;
  font-weight: 700;
}
.skip:focus { top: 0.8rem; }

header {
  background: var(--desk);
  position: sticky;
  top: 0;
  z-index: 10;
}
header .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  font-size: 1rem;
}
.brand img { width: 32px; height: 32px; display: block; }
nav { display: flex; flex-wrap: wrap; gap: 0.1rem; }
nav a {
  color: var(--quiet);
  text-decoration: none;
  padding: 0.3rem 0.5rem;
  font-size: 0.95rem;
}
nav a:hover { color: var(--ink); }
nav a[aria-current="page"] {
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--ink);
}

.hero { padding: 1.6rem 0 0; }
.hero .wrap { max-width: 54rem; }
.hero h1 {
  font-family: "Big Shoulders Text", sans-serif;
  font-weight: 800;
  font-size: clamp(3rem, 11vw, 6rem);
  line-height: 0.88;
  letter-spacing: -0.02em;
  margin: 0 0 0.8rem;
  max-width: 12ch;
}
.hero .lede {
  font-size: 1.12rem;
  max-width: 28rem;
  margin: 0 0 1.2rem;
  color: var(--quiet);
}

.row { display: flex; flex-wrap: wrap; gap: 0.55rem; margin: 0 0 0.65rem; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 0;
  padding: 0.72rem 1.05rem;
  text-decoration: none;
  font-family: "Noto Sans", sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  background: var(--ink);
  color: var(--sheet);
  border-radius: 0.45rem;
  box-shadow: 0 3px 0 #0f1412;
}
.btn svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 2; }
.btn.ghost {
  background: var(--key);
  color: var(--ink);
  box-shadow: 0 3px 0 var(--line);
}

.demo.kb {
  position: relative;
  width: 100vw;
  margin: 1.6rem 0 0;
  margin-left: calc(50% - 50vw);
  background: #c5ced6;
  border-top: 1px solid #aeb8c2;
  padding: 0.85rem 0.75rem 1.2rem;
  contain: layout;
}
.phone { position: relative; max-width: 22.5rem; margin: 0 auto; }
.compose {
  background: var(--sheet);
  border-radius: 1.35rem;
  min-height: 2.5rem;
  margin: 0 0 0.65rem;
  padding: 0.55rem 1rem;
  color: var(--ink);
  font-size: 0.95rem;
}
.caret {
  display: inline-block;
  width: 2px;
  height: 1.05em;
  background: var(--ink);
  vertical-align: text-bottom;
  animation: caret 1s step-end infinite;
}
@keyframes caret { 50% { background: transparent; } }

.kb-row {
  display: flex;
  gap: 0.28rem;
  justify-content: center;
  margin: 0 0 0.28rem;
}
.kb-row i {
  display: block;
  height: 2.55rem;
  flex: 1;
  background: var(--key);
  border-radius: 0.38rem;
  box-shadow: 0 2px 0 #8b97a3;
  font-style: normal;
  font-size: 0.8rem;
  line-height: 2.55rem;
  text-align: center;
  color: var(--ink);
  text-transform: lowercase;
}
.kb-row i.sp { flex: 4.2; font-size: 0; }
.kb-row i.mic {
  flex: 0 0 2.7rem;
  background: var(--mic);
  box-shadow: 0 2px 0 #0f3d34;
  font-size: 0;
}

.bubble {
  position: absolute;
  right: -0.15rem;
  bottom: 0.05rem;
  width: 3.55rem;
  height: 3.55rem;
  border-radius: 50%;
  background: var(--mic);
  box-shadow: 0 5px 0 #0f3d34;
  display: grid;
  place-items: center;
  animation: bob 2.2s ease-in-out infinite;
}
.bubble svg { width: 1.4rem; height: 1.4rem; display: block; }
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

h1 {
  font-family: "Big Shoulders Text", sans-serif;
  font-weight: 800;
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  line-height: 0.95;
  margin: 1.4rem 0 0.7rem;
}
h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  margin: 2rem 0 0.6rem;
  border-top: 1px solid var(--line);
  padding-top: 1.15rem;
}
p, li { color: var(--ink); }
.muted { color: var(--quiet); }
.lede { font-size: 1.12rem; max-width: 36rem; color: var(--quiet); }

.honest {
  border-left: 4px solid var(--ink);
  padding: 0.1rem 0 0.1rem 0.9rem;
  margin: 1.5rem 0;
  color: var(--quiet);
}
.honest strong { color: var(--ink); }

.facts { margin: 0.3rem 0 1.1rem; }
.facts div {
  display: grid;
  grid-template-columns: 8.2rem 1fr;
  gap: 0.55rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line);
}
.facts dt { font-weight: 700; }
.facts dd { margin: 0; color: var(--quiet); }

table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td {
  border: 1px solid var(--line);
  padding: 0.5rem 0.6rem;
  text-align: left;
  vertical-align: top;
}
th { background: var(--card); font-weight: 700; }
td { background: var(--sheet); }

.diagram {
  border: 1px solid var(--line);
  background: var(--sheet);
  padding: 0.75rem;
  overflow-x: auto;
  margin: 1rem 0;
}
.diagram svg { display: block; width: 100%; height: auto; }

ol.steps { padding-left: 1.2rem; }
ol.steps li { margin: 0.45rem 0; }

footer {
  border-top: 1px solid var(--line);
  margin-top: 2.5rem;
  padding: 1rem 0 2rem;
  font-size: 0.9rem;
  color: var(--quiet);
}
footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}
footer img { width: 22px; height: 22px; }
footer a { color: var(--quiet); }
footer a:hover { color: var(--ink); }

code { font-size: 0.9em; }

@media (max-width: 520px) {
  .facts div { grid-template-columns: 1fr; gap: 0.12rem; }
}

@media (prefers-reduced-motion: reduce) {
  .caret, .bubble { animation: none; }
}