:root {
  color-scheme: light dark;
  --bg: #f5f7fb;
  --text: #18202b;
  --muted: #5b6675;
  --line: #d7deea;
  --panel: #ffffff;
  --blue: #2374e1;
  --green: #1b9a73;
  --violet: #6750c7;
  --shadow: 0 18px 60px rgba(24, 32, 43, 0.14);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11151b;
    --text: #edf2f7;
    --muted: #a9b4c2;
    --line: #2b3442;
    --panel: #171d25;
    --shadow: 0 18px 60px rgba(0, 0, 0, 0.28);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}

main {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.hero {
  min-height: 82vh;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 42px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.lede {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.2rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  font-weight: 650;
}

.button.primary {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

.hero-panel {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 14px;
  align-items: center;
  min-height: 300px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.pane {
  min-height: 212px;
  padding: 20px;
  border: 2px solid;
  border-radius: 14px;
}

.pane span,
.pane small {
  display: block;
  color: var(--muted);
}

.pane strong {
  display: block;
  margin: 16px 0 8px;
  font-size: 1.35rem;
}

.pane.local {
  border-color: var(--green);
}

.pane.remote {
  border-color: var(--violet);
}

.bridge {
  min-width: 74px;
  padding: 10px 12px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--blue) 14%, transparent);
  color: var(--blue);
  font-weight: 800;
  text-align: center;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding: 40px 0 24px;
}

.features article,
.details,
.document,
.contact-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}

.features article {
  padding: 22px;
}

h2 {
  margin: 0 0 10px;
  font-size: 1.35rem;
}

p {
  margin: 0 0 14px;
}

.details {
  margin: 18px 0 64px;
  padding: 26px;
}

.document {
  max-width: 820px;
  margin-top: 64px;
  padding: 34px;
}

.document h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  margin-bottom: 14px;
}

.updated {
  color: var(--muted);
}

.contact-card {
  padding: 20px;
  margin: 18px 0 26px;
}

footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 42px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 820px) {
  .hero,
  .features {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 54px 0 28px;
  }

  .hero-panel {
    grid-template-columns: 1fr;
  }

  .bridge {
    justify-self: start;
  }
}