.fx-hero {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 84px 0 32px;
  display: grid;
  gap: 40px;
}

.fx-hero-copy {
  max-width: 720px;
}

.fx-hero-copy h1 {
  font-size: clamp(2.9rem, 6vw, 4.6rem);
}

.fx-hero-copy .lede {
  max-width: 620px;
}

.fx-jumpnav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.fx-jumpnav a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 16px 9px 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 520;
  transition: color 300ms var(--ease), border-color 300ms var(--ease), background 300ms var(--ease);
}

.fx-jumpnav-index {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg-soft);
  color: var(--quiet);
  font-size: 0.7rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  transition: color 300ms var(--ease), background 300ms var(--ease);
}

.fx-jumpnav a:hover {
  color: var(--ink);
  border-color: var(--line-strong);
  background: var(--bg-soft);
}

.fx-jumpnav a:hover .fx-jumpnav-index {
  color: var(--blue-dark);
  background: #fff;
}

.fx-group {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 64px 0;
}

.fx-group + .fx-group {
  border-top: 1px solid var(--line);
}

.fx-group-last {
  padding-bottom: 96px;
}

.fx-group-heading {
  display: grid;
  grid-template-columns: 56px minmax(0, 640px);
  gap: 20px;
  margin-bottom: 40px;
}

.fx-index {
  color: var(--quiet);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

.fx-group-heading h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  line-height: 1.05;
}

.fx-group-heading .kicker {
  margin-bottom: 10px;
}

.fx-group-heading > div > p:not(.kicker) {
  max-width: 560px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.fx-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.fx-feature {
  min-width: 0;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.fx-feature h3 {
  font-size: 1rem;
}

.fx-feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.fx-feature code {
  padding: 1px 6px;
  border-radius: 6px;
  background: var(--bg-soft);
  color: var(--ink);
  font-size: 0.86em;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

.fx-feature a {
  color: var(--blue-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.fx-feature a:hover {
  color: var(--blue);
}

@media (max-width: 980px) {
  .fx-feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .fx-group-heading {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .fx-hero,
  .fx-group {
    width: auto;
    max-width: none;
    margin-left: 12px;
    margin-right: 12px;
  }

  .fx-hero {
    padding: 58px 0 44px;
  }

  .fx-group {
    padding: 44px 0;
  }

  .fx-feature-grid {
    grid-template-columns: 1fr;
  }
}