:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #07100e;
  color: #e8f1ed;
  line-height: 1.65;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 85% 10%, rgba(63, 193, 142, 0.16), transparent 28rem),
    linear-gradient(145deg, #07100e 0%, #0b1714 55%, #07100e 100%);
}

main {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 36px;
}

.document { width: min(780px, calc(100% - 40px)); }

nav { margin-bottom: 54px; }

.hero, header { max-width: 780px; margin-bottom: 64px; }

.eyebrow {
  margin: 0 0 10px;
  color: #72e0b3;
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(2.6rem, 7vw, 5.6rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.document h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); }

.lede {
  margin: 28px 0 0;
  color: #b9cbc4;
  font-size: clamp(1.05rem, 2vw, 1.32rem);
  max-width: 700px;
}

section { margin: 56px 0; }

h2 {
  margin: 0 0 20px;
  color: #ffffff;
  font-size: 1.45rem;
  letter-spacing: -0.025em;
}

h3 { margin: 0 0 10px; color: #dff9ee; font-size: 1.05rem; }

p, li { color: #b9cbc4; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

article, .plain {
  border: 1px solid rgba(130, 205, 174, 0.18);
  border-radius: 18px;
  background: rgba(15, 31, 26, 0.68);
  padding: 26px;
}

article p { margin: 0; }

.plain { max-width: 780px; }
.plain p { margin-bottom: 0; }

a { color: #72e0b3; text-underline-offset: 4px; }
a:hover { color: #a0f0ce; }

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 72px;
  padding-top: 24px;
  border-top: 1px solid rgba(130, 205, 174, 0.16);
  color: #789088;
  font-size: 0.9rem;
}

footer span { margin-left: auto; }

@media (max-width: 760px) {
  main { padding-top: 48px; }
  .grid { grid-template-columns: 1fr; }
  footer span { width: 100%; margin-left: 0; }
}