/* Reset & Global */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
}

body {
  background: linear-gradient(120deg, #0a0f2c, #000000);
  color: #eeeeee;
  line-height: 1.6;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 5%;
  background-color: rgba(0,0,0,0.8);
  position: sticky;
  top: 0;
  z-index: 100;
}

header .logo img {
  width: 160px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 20px;
}

nav ul li a {
  color: #00BFFF;
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
}

nav ul li a:hover,
nav ul li a.active {
  color: #ffffff;
}

/* Hero */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  text-align: center;
  overflow: hidden;
}

.hero-content h1 {
  font-size: 3rem;
  color: #00BFFF;
  margin-bottom: 15px;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.btn-cta {
  background-color: #00BFFF;
  color: #000;
  padding: 12px 30px;
  border: none;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
  text-decoration: none;
}

.btn-cta:hover {
  background-color: #ffffff;
  color: #00BFFF;
}

/* Hero Canvas */
#heroCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Tiers */
.tiers {
  padding: 80px 5%;
  text-align: center;
}

.tiers h2 {
  font-size: 2.5rem;
  margin-bottom: 50px;
  color: #00BFFF;
}

.tier-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: center;
}

.tier {
  background: rgba(255,255,255,0.05);
  padding: 30px;
  border-radius: 12px;
  flex: 1 1 300px;
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
}

.tier:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0,191,255,0.4);
}

.tier .badge {
  position: absolute;
  top: -10px;
  right: -10px;
  background-color: #00BFFF;
  color: #000;
  padding: 5px 10px;
  border-radius: 8px;
  font-weight: bold;
}

.tier h3 {
  margin-bottom: 15px;
  color: #00BFFF;
}

.tier p {
  margin-bottom: 15px;
}

.tier ul {
  text-align: left;
  margin-bottom: 20px;
}

.btn-tier {
  display: inline-block;
  padding: 10px 25px;
  border-radius: 6px;
  background-color: #00BFFF;
  color: #000;
  font-weight: bold;
  text-decoration: none;
  transition: 0.3s;
}

.btn-tier:hover {
  background-color: #ffffff;
  color: #00BFFF;
}

/* Sections */
section {
  padding: 80px 5%;
}

/* Forms */
form input, form textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border-radius: 8px;
  border: none;
  outline: none;
}

form button {
  width: 100%;
  padding: 12px;
  background-color: #00BFFF;
  color: #000;
  font-weight: bold;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s;
}

form button:hover {
  background-color: #ffffff;
  color: #00BFFF;
}

/* Footer */
footer {
  background: rgba(0,0,0,0.8);
  text-align: center;
  padding: 20px;
  color: #888;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px){
  .tier-cards {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 500px){
  .hero-content h1 {
    font-size: 2rem;
  }
  .hero-content p {
    font-size: 1rem;
  }
}