* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top, #0b1325, #04070c);
  color: #e6ebf2;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  overflow-x: hidden;
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  height: 64px;
  padding: 0 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 50;
  background: rgba(5,8,15,0.7);
  backdrop-filter: blur(10px);
}

.logo {
  font-weight: 700;
  letter-spacing: 0.15em;
}

.nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #9aa7ff;
}

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#three-container {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* GLASS CARD */
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding: 48px;
  text-align: center;
}

.glass {
  background: rgba(255,255,255,0.05);
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(20px);
  box-shadow: 0 40px 80px rgba(0,0,0,0.6);
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.3em;
  opacity: 0.7;
}

h1 {
  font-size: clamp(42px, 6vw, 64px);
  margin: 14px 0;
}

h2 {
  font-size: 20px;
  font-weight: 400;
  opacity: 0.85;
}

p {
  margin-top: 16px;
  line-height: 1.6;
  opacity: 0.75;
}

.actions {
  margin-top: 28px;
  display: flex;
  gap: 16px;
  justify-content: center;
}

.btn {
  padding: 12px 26px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
}

.primary {
  background: linear-gradient(135deg, #5b7cff, #8fa1ff);
  color: #02040a;
}

.ghost {
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
}

/* INFO */
.info {
  padding: 80px 24px;
  max-width: 900px;
  margin: auto;
}

footer {
  padding: 32px;
  text-align: center;
  opacity: 0.6;
}

/* MOBILE */
@media (max-width: 768px) {
  .hero-content {
    padding: 32px 22px;
  }

  .actions {
    flex-direction: column;
  }
}