body {
  margin: 0;
  background: #fbfaff;
}

#aith-landing {
  color-scheme: light;
  --at-bg: #fbfaff;
  --at-ink: #1a1730;
  --at-muted: #5d596e;
  --at-blue: #4430bb;
  --at-lilac: #eae5ff;
  --at-line: #ddd7ee;
  --at-paper: #fff;
  background: var(--at-bg);
  color: var(--at-ink);
  font: 400 15px/1.48 "Inter",system-ui,sans-serif;
  overflow-wrap: anywhere;
}

#aith-landing * {
  box-sizing: border-box;
}

#aith-landing h1, #aith-landing h2, #aith-landing h3, #aith-landing p {
  margin: 0;
  color: inherit;
}

#aith-landing a {
  color: inherit;
  text-decoration: none;
}

#aith-landing a:focus-visible, #aith-landing button:focus-visible {
  outline: 2px solid var(--at-blue);
  outline-offset: 3px;
}

#aith-landing [hidden] {
  display: none!important;
}

#aith-landing .at-nav, #aith-landing .at-hero, #aith-landing .at-features, #aith-landing .at-footer {
  padding-inline: clamp(18px,4.6vw,54px);
}

#aith-landing .at-nav {
  min-height: 62px;
  display: flex;
  gap: 20px;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--at-line);
}

#aith-landing .at-logo {
  display: flex;
  gap: 7px;
  align-items: center;
  font-weight: 750;
  font-size: 19px;
  letter-spacing: -.045em;
}

#aith-landing .at-logo span {
  background: var(--at-blue);
  color: white;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  font-size: 21px;
  line-height: 1;
}

#aith-landing nav {
  display: flex;
  gap: 24px;
  font-size: 13px;
  color: var(--at-muted);
}

#aith-landing .at-login {
  font-size: 13px;
  font-weight: 650;
}

#aith-landing .at-hero {
  display: grid;
  align-items: center;
  grid-template-columns: 1.06fr 1fr;
  gap: clamp(24px,4vw,48px);
  padding-block: clamp(34px,6vw,69px);
}

#aith-landing .at-label, #aith-landing .at-demohead, #aith-landing .at-paperhead {
  font: 600 11px/1.4 ui-monospace,Consolas,monospace;
  letter-spacing: .085em;
  color: var(--at-blue);
}

#aith-landing .at-label {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

#aith-landing .at-dot {
  width: 8px;
  height: 8px;
  background: var(--at-blue);
  border-radius: 50%;
}

#aith-landing h1, #aith-landing h2 {
  font-family: "PT Serif",Georgia,serif;
  font-weight: 500;
  letter-spacing: -.047em;
}

#aith-landing h1 {
  font-size: clamp(39px,6.8vw,74px);
  line-height: .99;
  margin: 17px 0 18px;
}

#aith-landing h1 em {
  color: var(--at-blue);
  font-weight: 500;
}

#aith-landing .at-intro>p {
  max-width: 36ch;
  color: var(--at-muted);
  font-size: clamp(15px,1.75vw,18px);
}

#aith-landing .at-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px 15px;
  margin-top: 23px;
}

#aith-landing .at-cta {
  display: inline-flex;
  gap: 10px;
  justify-content: center;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  border-radius: 7px;
  background: var(--at-blue);
  color: white;
  font-weight: 650;
  font-size: 13px;
  flex-shrink: 0;
}

#aith-landing .at-secondary {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 13px;
  font-weight: 650;
}

#aith-landing .at-work {
  padding: clamp(13px,2.5vw,24px);
  background: var(--at-lilac);
  border-radius: 5px 21px 5px 5px;
  min-width: 0;
}

#aith-landing .at-demohead, #aith-landing .at-paperhead {
  display: flex;
  justify-content: space-between;
  gap: 6px;
}

#aith-landing .at-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 13px 0;
}

#aith-landing .at-tabs button {
  font: 600 11px/1.2 "Inter",system-ui,sans-serif;
  border: 1px solid transparent;
  border-radius: 5px;
  background: transparent;
  color: var(--at-blue);
  padding: 8px 7px;
}

#aith-landing .at-tabs button[aria-pressed=true] {
  background: var(--at-blue);
  color: white;
}

#aith-landing .at-paper {
  padding: clamp(12px,2vw,22px);
  background: var(--at-paper);
  border: 1px solid var(--at-line);
  border-radius: 5px;
  min-height: 240px;
}

#aith-landing .at-paperhead {
  margin-bottom: 14px;
}

#aith-landing .at-paper p+p {
  margin-top: 10px;
}

#aith-landing .at-posts {
  padding: 0 0 0 29px;
  margin: 0;
  list-style: none;
  counter-reset: at-post;
}

#aith-landing .at-posts li {
  position: relative;
  counter-increment: at-post;
}

#aith-landing .at-posts li:before {
  content: counter(at-post);
  position: absolute;
  left: -29px;
  top: 1px;
  z-index: 1;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: var(--at-lilac);
  color: var(--at-blue);
  display: grid;
  place-items: center;
  font: 600 11px/1 "Inter",system-ui,sans-serif;
}

#aith-landing .at-posts li:first-child {
  padding-bottom: 16px;
}

#aith-landing .at-posts li:first-child:after {
  content: "";
  position: absolute;
  left: -20px;
  top: 19px;
  bottom: -3px;
  width: 1px;
  background: var(--at-line);
}

#aith-landing .at-features {
  border-top: 1px solid var(--at-line);
  padding-block: 32px 38px;
}

#aith-landing h2 {
  font-size: clamp(28px,4.2vw,44px);
  line-height: 1.08;
  margin-top: 8px;
}

#aith-landing .at-grid {
  display: grid;
  grid-template-columns: repeat(4,minmax(0,1fr));
  gap: 16px 21px;
  margin-top: 22px;
}

#aith-landing article {
  border-top: 2px solid var(--at-lilac);
  padding-top: 10px;
}

#aith-landing article h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 6px 0 4px;
}

#aith-landing article p, #aith-landing .at-footer p {
  color: var(--at-muted);
  font-size: 13px;
}

#aith-landing .at-footer {
  background: var(--at-lilac);
  padding-block: 25px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

#aith-landing .at-footer p {
  margin-top: 7px;
}

@media(max-width:650px) {
  #aith-landing nav {
    display: none;
  }

  #aith-landing .at-hero {
    grid-template-columns: 1fr;
  }

  #aith-landing h1 br {
    display: none;
  }

  #aith-landing .at-grid {
    grid-template-columns: repeat(2,minmax(0,1fr));
  }

}

@media(pointer:coarse) {
  #aith-landing .at-tabs button, #aith-landing .at-login {
    min-height: 44px;
  }

  #aith-landing .at-login {
    display: grid;
    grid-auto-flow: column;
    align-items: center;
    gap: 5px;
  }

}

#aith-landing .at-nav, #aith-landing .at-hero, #aith-landing .at-features, #aith-landing .at-footer {
  width: min(100%, 1280px);
  margin-inline: auto;
}

#aith-landing button {
  cursor: pointer;
}

#aith-landing a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}