:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #eefbf6;
  background: #06130f;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: #06130f; }
body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 78% 8%, rgba(42, 202, 147, 0.14), transparent 30rem),
    linear-gradient(145deg, #06130f 0%, #071a15 50%, #06130f 100%);
}
a { color: inherit; }
.site-header, main, footer {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  border-bottom: 1px solid rgba(163, 229, 205, 0.16);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 750;
  text-decoration: none;
  letter-spacing: -0.02em;
}
.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(94, 231, 180, 0.5);
  border-radius: 12px;
  color: #69e5b6;
  background: rgba(30, 151, 108, 0.12);
  font-size: 12px;
  letter-spacing: 0.08em;
}
.beta-link {
  color: #b8d9cc;
  font-size: 14px;
  text-underline-offset: 5px;
}
.beta-link:hover, .beta-link:focus-visible { color: #ffffff; }
.hero { max-width: 900px; padding: 112px 0 96px; }
.eyebrow {
  margin: 0 0 18px;
  color: #66dfb1;
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1, h2, p { margin-top: 0; }
h1 {
  max-width: 850px;
  margin-bottom: 28px;
  font-size: clamp(48px, 8vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.065em;
}
.hero-copy {
  max-width: 720px;
  margin-bottom: 36px;
  color: #b8cec5;
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.55;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 22px;
  color: #91ada2;
  font-size: 14px;
}
.primary-action {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border-radius: 14px;
  color: #032218;
  background: #68e8b7;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 14px 36px rgba(37, 188, 132, 0.16);
}
.primary-action:hover, .primary-action:focus-visible { background: #89f2ca; }
.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(163, 229, 205, 0.16);
  border-bottom: 1px solid rgba(163, 229, 205, 0.16);
}
.principles article { min-height: 250px; padding: 36px 34px 30px 0; }
.principles article + article {
  padding-left: 34px;
  border-left: 1px solid rgba(163, 229, 205, 0.16);
}
.principle-number {
  display: block;
  margin-bottom: 54px;
  color: #5ad6a7;
  font-size: 12px;
  font-weight: 800;
}
.principles h2, .beta-note h2 {
  margin-bottom: 14px;
  font-size: 23px;
  letter-spacing: -0.035em;
}
.principles p, .beta-note > p {
  margin-bottom: 0;
  color: #9db9ae;
  line-height: 1.65;
}
.beta-note {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: start;
  padding: 88px 0;
}
footer {
  display: flex;
  justify-content: space-between;
  padding: 28px 0 40px;
  border-top: 1px solid rgba(163, 229, 205, 0.16);
  color: #78968a;
  font-size: 13px;
}
@media (max-width: 760px) {
  .site-header, main, footer { width: min(100% - 32px, 1180px); }
  .site-header { min-height: 74px; }
  .beta-link { max-width: 130px; text-align: right; }
  .hero { padding: 76px 0 70px; }
  h1 { font-size: clamp(44px, 14vw, 68px); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .principles, .beta-note { grid-template-columns: 1fr; }
  .principles article { min-height: 0; padding: 30px 0; }
  .principles article + article {
    padding-left: 0;
    border-top: 1px solid rgba(163, 229, 205, 0.16);
    border-left: 0;
  }
  .principle-number { margin-bottom: 26px; }
  .beta-note { gap: 20px; padding: 68px 0; }
  footer { gap: 8px; flex-direction: column; }
}