:root {
  color-scheme: light dark;
  font-family: Inter, ui-rounded, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #11243b;
  background: #eaf9ff;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background: linear-gradient(155deg, #dff8ff 0%, #fff9da 52%, #e9fff8 100%);
  color: #11243b;
  letter-spacing: 0;
}

a { color: #006a78; }

.shell {
  width: min(100% - 2rem, 1040px);
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.topbar,
.footer,
.links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topbar { margin-bottom: 2rem; }

.brand {
  color: #11243b;
  font-weight: 800;
  text-decoration: none;
}

.links { justify-content: flex-end; }
.links a { font-weight: 700; text-underline-offset: 0.2em; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  align-items: center;
  gap: 2.5rem;
  padding: 2.25rem;
  border: 1px solid rgba(17, 36, 59, 0.15);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 24px 60px rgba(17, 36, 59, 0.12);
}

.icon {
  display: block;
  width: min(100%, 360px);
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: 22%;
  box-shadow: 0 22px 44px rgba(17, 36, 59, 0.2);
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: #007c86;
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.6rem, 8vw, 5.4rem);
  line-height: 0.98;
}

h2 { margin: 2.5rem 0 0.75rem; font-size: 1.45rem; }
p, li { line-height: 1.7; }
.lead { max-width: 62ch; font-size: 1.15rem; color: #40536b; }

.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1rem;
  border: 2px solid #006a78;
  border-radius: 8px;
  color: #006a78;
  font-weight: 800;
  text-decoration: none;
}
.button.primary { background: #006a78; color: #fff; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.feature {
  padding: 1.25rem;
  border: 1px solid rgba(17, 36, 59, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.68);
}
.feature h3 { margin: 0 0 0.4rem; }
.feature p { margin: 0; color: #52647a; }

.screenshot {
  display: block;
  width: min(100%, 420px);
  margin: 1.5rem auto 0;
  border: 1px solid rgba(17, 36, 59, 0.14);
  border-radius: 8px;
  box-shadow: 0 20px 45px rgba(17, 36, 59, 0.16);
}

.content {
  max-width: 800px;
  padding: 2rem;
  border: 1px solid rgba(17, 36, 59, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
}
.content h1 { font-size: clamp(2.25rem, 7vw, 4rem); }

.footer {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(17, 36, 59, 0.18);
  color: #52647a;
}

@media (max-width: 760px) {
  .shell { width: min(100% - 1.25rem, 1040px); padding-top: 1rem; }
  .hero { grid-template-columns: 1fr; padding: 1.35rem; }
  .hero-copy { order: 2; }
  .icon { width: min(70vw, 300px); }
  .grid { grid-template-columns: 1fr; }
  .content { padding: 1.25rem; }
  .links { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media (prefers-color-scheme: dark) {
  :root { color: #f3fbff; background: #0e2330; }
  body { background: linear-gradient(155deg, #0b2932 0%, #182631 52%, #12342f 100%); color: #f3fbff; }
  .brand, h1, h2, h3 { color: #f3fbff; }
  .lead, .feature p, .footer { color: #bfd0db; }
  .hero, .feature, .content { background: rgba(13, 31, 43, 0.86); border-color: rgba(255, 255, 255, 0.16); }
  a, .eyebrow, .button { color: #77e3df; }
  .button { border-color: #77e3df; }
  .button.primary { background: #77e3df; color: #08232b; }
}