:root {
  color-scheme: dark;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --emerald: #0f9b82;
  --emerald-light: #5ef2c7;
  --deep-teal: #00332c;
  --midnight: #021c1a;
  --glass: #063737;
  --text: #e4fff7;
  --muted: #9bf3d4;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 18%, rgba(94, 242, 199, 0.2), transparent 45%),
    radial-gradient(circle at 82% 8%, rgba(15, 155, 130, 0.3), transparent 55%),
    linear-gradient(180deg, var(--midnight), var(--deep-teal) 55%, #021611);
  color: var(--text);
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: var(--emerald);
}

header,
main {
  padding: 0 1.5rem;
}

.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-glow {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 70%;
  height: 70%;
  background: radial-gradient(
    circle,
    rgba(94, 242, 199, 0.4),
    rgba(15, 155, 130, 0)
  );
  filter: blur(40px);
  z-index: -1;
  pointer-events: none;
}

.hero-content {
  max-width: 480px;
}

.eyebrow {
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin: 0 0 1rem;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.logo-mark {
  width: clamp(160px, 25vw, 240px);
  margin: 0 auto 1.5rem;
  filter: drop-shadow(0 10px 40px rgba(15, 155, 130, 0.35));
}

.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 2rem 1.5rem 3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .hero-content {
    text-align: center;
  }
}