* {
  box-sizing: border-box;
}

:root {
  color-scheme: dark;
  --bg: #06111f;
  --bg-deep: #02070d;
  --text: #f4f8fc;
  --muted: #9cb2c8;
  --accent: #11a7ff;
  --line: rgba(255, 255, 255, 0.09);
}

html {
  min-height: 100%;
  background: var(--bg-deep);
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 20%, rgba(17, 167, 255, 0.13), transparent 34rem),
    linear-gradient(180deg, #071727 0%, var(--bg) 58%, var(--bg-deep) 100%);
}

.site-shell {
  width: min(1120px, calc(100% - 32px));
  margin: auto;
}

.hero {
  text-align: center;
  padding: 48px 0 36px;
}

.logo {
  display: block;
  width: min(100%, 920px);
  height: auto;
  margin: 0 auto;
  border-radius: 18px;
}

.intro {
  width: min(760px, 100%);
  margin: 4px auto 0;
}

.areas {
  margin: 0 0 26px;
  color: var(--muted);
  font-size: clamp(0.82rem, 1.6vw, 1rem);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.areas span {
  color: var(--accent);
  padding: 0 0.5em;
}

h1 {
  margin: 0;
  font-size: clamp(1.7rem, 4vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  font-weight: 700;
}

.lede {
  margin: 22px auto 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
  line-height: 1.65;
}

footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0 30px;
  border-top: 1px solid var(--line);
  color: #6f879d;
  text-align: center;
  font-size: 0.86rem;
}

footer p {
  margin: 0;
}

@media (max-width: 640px) {
  .hero {
    padding-top: 24px;
  }

  .logo {
    border-radius: 10px;
  }

  .areas {
    line-height: 2;
    letter-spacing: 0.09em;
  }

  .areas span {
    padding: 0 0.3em;
  }
}