:root {
  color-scheme: light;
  --blue: #1a73e8;
  --blue-dark: #155fc0;
  --blue-soft: #e8f0fe;
  --ink: #202124;
  --muted: #5f6368;
  --line: #dadce0;
  --surface: #fff;
  --page: #f7f9fc;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { min-width: 320px; background: var(--page); }
body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 40px 20px;
  color: var(--ink);
  background: radial-gradient(circle at 50% 0%, rgba(66, 133, 244, .08), transparent 38%), var(--page);
  font-family: Inter, Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.install-card {
  width: min(100%, 740px);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 18px 50px rgba(60, 64, 67, .12);
}

.install-intro {
  padding: 40px 42px;
}
.eyebrow {
  margin-bottom: 8px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}
h1 {
  max-width: 620px;
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.18;
  letter-spacing: -.035em;
}
.description {
  max-width: 630px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.action-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 25px 44px;
  background: #f8fafd;
  border-top: 1px solid #edf0f4;
  border-bottom: 1px solid #edf0f4;
}
.cwslink { display: block; line-height: 0; }
.cwslink img { display: block; }
.chrome-button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 24px;
  color: #fff;
  background: var(--blue);
  border: 1px solid var(--blue);
  border-radius: 10px;
  box-shadow: 0 5px 14px rgba(26, 115, 232, .24);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: background-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.chrome-button svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}
.chrome-button:hover { background: var(--blue-dark); box-shadow: 0 7px 18px rgba(26, 115, 232, .3); transform: translateY(-1px); }
.chrome-button:focus-visible, .cwslink:focus-visible, .disclaimer a:focus-visible { outline: 3px solid rgba(26, 115, 232, .3); outline-offset: 3px; }
.disclaimer {
  padding: 20px 44px 23px;
  color: #777b80;
  font-size: 11px;
  line-height: 1.6;
  text-align: center;
}
.disclaimer a { color: #4f5965; text-underline-offset: 2px; }

@media (max-width: 700px) {
  body { padding: 20px 14px; }
  .install-card { border-radius: 15px; }
  .install-intro { padding: 30px 24px; }
  .action-panel { flex-direction: column-reverse; gap: 15px; padding: 22px 24px; }
  .chrome-button { width: 100%; }
  .disclaimer { padding: 18px 24px 21px; }
}

@media (max-width: 440px) {
  h1 { font-size: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  .chrome-button { transition: none; }
}