:root {
  color-scheme: dark;
  --bg: #08110f;
  --panel: #0d1916;
  --panel-2: #11221d;
  --text: #eef8f4;
  --muted: #9db4aa;
  --line: #20372f;
  --accent: #6fffb5;
  --accent-soft: rgba(111, 255, 181, 0.11);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 88% 4%, rgba(111, 255, 181, 0.11), transparent 28rem),
    linear-gradient(180deg, #08110f 0%, #091410 62%, #07100d 100%);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

main,
footer {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-size: 15px;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brand strong {
  color: var(--accent);
  font-weight: 650;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--bg);
  background: var(--accent);
  border-radius: 9px;
  font-weight: 800;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.status span {
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 18px var(--accent);
}

.hero {
  max-width: 930px;
  padding: 112px 0 96px;
}

.eyebrow,
.number {
  margin: 0 0 22px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 920px;
  margin-bottom: 30px;
  font-size: clamp(3rem, 8vw, 6.8rem);
  font-weight: 650;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.lede {
  max-width: 760px;
  margin-bottom: 38px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.principles {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.principles span {
  padding: 8px 12px;
  color: #c7ddd4;
  background: var(--accent-soft);
  border: 1px solid rgba(111, 255, 181, 0.18);
  border-radius: 999px;
  font-size: 13px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}

.grid article {
  min-height: 280px;
  padding: 34px;
  background: rgba(13, 25, 22, 0.86);
}

.grid article + article {
  border-left: 1px solid var(--line);
}

.number {
  margin-bottom: 72px;
}

.grid h2,
.notice h2 {
  margin-bottom: 12px;
  font-size: 1.3rem;
  letter-spacing: -0.025em;
}

.grid p:last-child,
.notice p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.notice {
  display: grid;
  grid-template-columns: 0.65fr 1fr 1.35fr;
  gap: 32px;
  align-items: start;
  margin: 92px 0 104px;
  padding: 42px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.notice .eyebrow {
  margin-top: 4px;
  margin-bottom: 0;
}

footer {
  display: flex;
  justify-content: space-between;
  padding: 28px 0 36px;
  color: #718a80;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

@media (max-width: 820px) {
  .hero {
    padding: 78px 0 70px;
  }

  .grid,
  .notice {
    grid-template-columns: 1fr;
  }

  .grid article {
    min-height: auto;
  }

  .grid article + article {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .number {
    margin-bottom: 34px;
  }

  .notice {
    margin: 64px 0 72px;
  }
}

@media (max-width: 520px) {
  main,
  footer {
    width: min(100% - 24px, 1120px);
  }

  nav {
    padding: 18px 0;
  }

  .status {
    font-size: 0;
  }

  .hero {
    padding-top: 58px;
  }

  h1 {
    font-size: clamp(2.75rem, 15vw, 4.1rem);
  }

  .grid article,
  .notice {
    padding: 26px;
  }
}
