:root {
  --bg-main: #0b0b0f;
  --bg-secondary: #0f1020;
  --bg-card: #15162c;
  --accent: #8fd3ff;
  --accent-soft: #3fb8ff;
  --text-main: #fff;
}

body {
  margin: 0;
  font-family: Arial;
  background: var(--bg-main);
  color: var(--text-main);
}

/* NAV */
nav {
  display: flex;
  justify-content: space-between;
  padding: 20px;
  background: #0f1020;
}

nav a {
  margin-left: 15px;
  color: #ccc;
  text-decoration: none;
  transition: 0.3s;
}
nav a:hover {
  color: var(--accent);
}

/* HERO */
.hero {
  text-align: center;
  padding: 120px 20px;
}

.glow {
  animation: glow 2s infinite alternate;
}
@keyframes glow {
  from { text-shadow: 0 0 10px #3fb8ff; }
  to { text-shadow: 0 0 30px #8fd3ff; }
}

/* BUTTONS */
.btn {
  padding: 12px 20px;
  margin: 10px;
  border-radius: 8px;
  text-decoration: none;
  display: inline-block;
  transition: 0.3s;
}
.btn:hover {
  transform: scale(1.1);
}

.primary {
  background: var(--accent-soft);
  color: black;
}
.secondary {
  border: 2px solid var(--accent);
  color: var(--accent);
}

/* SECTIONS */
.section {
  padding: 80px 20px;
  text-align: center;
}
.dark {
  background: var(--bg-secondary);
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1000px;
  margin: auto;
}

/* CARDS */
.card {
  background: var(--bg-card);
  padding: 20px;
  border-radius: 12px;
  transition: 0.3s;
}
.card:hover {
  transform: translateY(-10px) scale(1.05);
}

/* BUY BUTTON */
.buy-btn {
  display: inline-block;
  margin-top: 10px;
  padding: 10px 20px;
  background: var(--accent);
  color: black;
  text-decoration: none;
  border-radius: 8px;
  transition: 0.3s;
}
.buy-btn:hover {
  transform: scale(1.1);
}

/* CONTACT */
.contact-box {
  background: var(--bg-card);
  padding: 20px;
  border-radius: 10px;
}

/* FADE IN */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.8s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}