:root {
  --bg: #050b1a;
  --panel: #0a1430;
  --text: #dbeafe;
  --muted: #94a3b8;
  --accent: #34d399;
  --glow: rgba(56,189,248,0.15);
}

* {
  box-sizing: border-box;
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
}

body {
  background: radial-gradient(circle at top, #0b1a3a, var(--bg));
  color: var(--text);
  overflow-x: hidden;
}

/* Background chart */
#chartCanvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.35;
}

/* Popup */
.popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--panel);
  padding: 28px;
  border-radius: 16px;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 0 60px var(--glow);
  z-index: 10;
}

.popup h2 {
  font-size: 1.6rem;
  margin-bottom: 6px;
}

.popup p {
  color: var(--muted);
  margin-bottom: 18px;
}

.popup form {
  display: flex;
  gap: 10px;
}

.popup input {
  flex: 1;
  padding: 12px;
  border-radius: 10px;
  border: none;
}

.popup button {
  background: var(--accent);
  border: none;
  padding: 12px 18px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
}

.popup-close {
  position: absolute;
  top: 12px;
  right: 16px;
  cursor: pointer;
  font-size: 20px;
}

/* Hero */
.hero {
  padding: 140px 20px 100px;
  text-align: center;
}

.hero h1 {
  font-size: 3.4rem;
  letter-spacing: -1px;
}

.hero p {
  color: var(--muted);
  margin-top: 12px;
}

/* Newsletter */
.newsletter {
  padding: 80px 20px;
  text-align: center;
}

.newsletter form {
  margin-top: 26px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.newsletter input {
  padding: 14px;
  min-width: 260px;
  border-radius: 12px;
  border: none;
}

.newsletter button {
  padding: 14px 28px;
  border-radius: 12px;
  border: none;
  background: var(--accent);
  font-weight: 600;
}

#success-msg {
  display: none;
  margin-top: 14px;
  color: var(--accent);
}

/* Discord */
.discord {
  padding: 80px 20px 140px;
  text-align: center;
}

.discord a {
  display: inline-block;
  padding: 18px 42px;
  border-radius: 16px;
  background: linear-gradient(135deg, #5865f2, #4752c4);
  color: white;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 0 40px rgba(88,101,242,.35);
}