:root {
  color-scheme: dark;
  --bg: #0a0d12;
  --panel: #111722;
  --text: #f4f7fb;
  --muted: #9ba8b8;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #7dd3fc;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 75% 12%, rgba(14, 165, 233, 0.16), transparent 28rem),
    linear-gradient(145deg, #080b10 0%, var(--bg) 58%, #0d1420 100%);
  color: var(--text);
  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;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(125, 211, 252, 0.45);
  border-radius: 50%;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
}

nav {
  display: flex;
  gap: clamp(18px, 4vw, 42px);
}

nav a,
.filings a {
  color: var(--muted);
  text-decoration: none;
}

nav a:hover,
.filings a:hover {
  color: var(--accent);
}

.hero {
  max-width: 850px;
  padding: clamp(96px, 16vw, 180px) 0 clamp(88px, 12vw, 144px);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(3.6rem, 11vw, 8.4rem);
  font-weight: 650;
  letter-spacing: -0.065em;
  line-height: 0.92;
}

.tagline {
  margin: 26px 0 0;
  color: #dbeafe;
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  letter-spacing: 0.16em;
}

.intro {
  max-width: 620px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--line);
}

.cards article {
  min-height: 250px;
  padding: 36px 34px;
  border-right: 1px solid var(--line);
}

.cards article:last-child {
  border-right: 0;
}

.cards span {
  color: var(--accent);
  font: 600 0.74rem ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.cards h2 {
  margin: 54px 0 10px;
  font-size: 1.4rem;
}

.cards p {
  margin: 0;
  color: var(--muted);
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 116px;
  color: var(--muted);
  font-size: 0.85rem;
}

.filings {
  display: flex;
  gap: 20px;
}

@media (max-width: 720px) {
  main,
  footer {
    width: min(100% - 28px, 1120px);
  }

  .site-header {
    min-height: 74px;
  }

  .hero {
    padding-top: 92px;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .cards article {
    min-height: 190px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .cards article:last-child {
    border-bottom: 0;
  }

  .cards h2 {
    margin-top: 28px;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-block: 28px;
  }
}