* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

body {
  background: #0b0f1a;
  color: #fff;
  overflow-x: hidden;
}

/* glowing background effect */
.bg-glow {
  position: fixed;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #00f0ff33, transparent 60%);
  top: -100px;
  left: -100px;
  filter: blur(80px);
}

header {
  text-align: center;
  padding: 60px 20px 30px;
}

header h1 {
  font-size: 3rem;
  color: #00f0ff;
  letter-spacing: 2px;
}

.tagline {
  color: #aaa;
  margin-top: 10px;
}

.info {
  display: flex;
  justify-content: center;
  margin: 30px 0;
}

.card {
  background: #121a2a;
  padding: 20px;
  border-radius: 12px;
  width: 320px;
  border: 1px solid #1f2a44;
  box-shadow: 0 0 20px #00f0ff22;
}

.card h2 {
  margin-bottom: 10px;
  color: #00f0ff;
}

.plans {
  text-align: center;
  padding: 40px 20px;
}

.plans h2 {
  margin-bottom: 20px;
  color: #00f0ff;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  max-width: 900px;
  margin: auto;
}

@media (max-width: 768px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.plan {
  background: #121a2a;
  padding: 20px;
  border-radius: 10px;
  border: 1px solid #1f2a44;
  transition: 0.3s;
}

.plan-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 10px;
}

.badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.9rem;
  color: #00f0ff;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.4);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
  transition: 0.3s;
}

.plan:hover {
  transform: translateY(-5px);
  border-color: #00f0ff;
}

.plan span {
  display: block;
  margin-top: 10px;
  color: #aaa;
}

.highlight {
  border: 1px solid #00f0ff;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}

.highlight .badge {
  background: rgba(0, 240, 255, 0.15);
  box-shadow: 0 0 18px rgba(0, 240, 255, 0.5);
}

footer {
  text-align: center;
  padding: 30px;
  color: #666;
  font-size: 14px;
}