:root {
  --bg-0: #000000;
  --bg-1: #040404;
  --accent: #18f2d3;
  --accent-soft: rgba(24, 242, 211, 0.2);
  --text: #ebf4ff;
  --muted: #a6b3c7;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  min-height: 100%;
}

body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 50% 5%, #090909 0%, var(--bg-0) 48%),
    linear-gradient(180deg, var(--bg-1), #000000);
  overflow-x: hidden;
}

#network-bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -3;
  opacity: 0.95;
}

.page-overlay {
  position: fixed;
  inset: 0;
  z-index: -2;
  background: radial-gradient(circle at 50% 35%, rgba(255, 255, 255, 0.03), transparent 42%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.14), rgba(0, 0, 0, 0.32));
}

.site-header {
  width: min(1100px, 92vw);
  margin: 1.6rem auto 0;
  padding: 0.4rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.top-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.top-links a {
  text-decoration: none;
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.25rem;
  transition: 180ms ease;
}

.top-links a:hover {
  color: var(--accent);
}

.hero {
  width: min(900px, 92vw);
  margin: 3rem auto 4.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.4rem;
}

h1 {
  margin: 0;
  font-family: Orbitron, Inter, sans-serif;
  font-size: clamp(2.2rem, 10vw, 4.4rem);
  letter-spacing: 0.04em;
  line-height: 1;
}

.jarvis-media {
  margin-top: 0.2rem;
  width: min(760px, 92vw);
  min-height: 240px;
  display: grid;
  place-items: center;
  background: transparent;
}

.jarvis-gif {
  width: min(720px, 92vw);
  height: auto;
  display: block;
  -webkit-mask-image: radial-gradient(circle at center, #000 62%, transparent 100%);
  mask-image: radial-gradient(circle at center, #000 62%, transparent 100%);
  filter: drop-shadow(0 0 35px rgba(24, 242, 211, 0.14));
}

.ca-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.ca-button {
  border: 1px solid rgba(24, 242, 211, 0.72);
  background: rgba(0, 0, 0, 0.2);
  color: var(--accent);
  font-family: Orbitron, Inter, sans-serif;
  font-size: clamp(0.95rem, 3vw, 1.12rem);
  letter-spacing: 0.12em;
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.92rem;
  border-radius: 8px;
  cursor: pointer;
  transition: 150ms ease;
}

.ca-button:hover {
  color: #7bffe9;
  border-color: #7bffe9;
  box-shadow: 0 0 0 2px rgba(123, 255, 233, 0.15);
}

.lore p {
  margin: 0;
  max-width: 75ch;
  color: var(--muted);
  line-height: 1.8;
}

@media (max-width: 640px) {
  .site-header {
    margin-top: 1.2rem;
    padding-inline: 0.2rem;
  }

  .top-links {
    gap: 0.75rem;
  }
}