* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: #0b0f1a;
  color: #fff;
  overflow-x: hidden;
}

/* LOADING SCREEN */
#launch-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #0b0f1a;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

#rocket {
  font-size: 80px;
  color: #4f7cff;
  transform: translateY(0);
  animation: launch 2s ease-in-out forwards;
}

@keyframes launch {
  0% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(-150px) rotate(20deg); opacity: 1; }
  100% { transform: translateY(-1200px) rotate(360deg); opacity: 0; }
}

/* PARTICLES */
#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: -1;
}

/* NAV */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  position: sticky;
  top: 0;
  background: rgba(11,15,26,0.8);
  backdrop-filter: blur(12px);
  z-index: 10;
}

.logo {
  font-size: 20px;
  font-weight: bold;
}

.logo i {
  color: #4f7cff;
  margin-right: 8px;
}

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

/* HERO */
.hero {
  text-align: center;
  padding: 150px 20px;
}

.hero h1 {
  font-size: 48px;
}

.hero p {
  opacity: 0.75;
  margin: 20px 0;
}

/* BUTTONS */
.btn {
  padding: 12px 26px;
  border-radius: 8px;
  border: 1px solid #444;
  color: #fff;
  text-decoration: none;
  margin: 5px;
  display: inline-block;
}

.btn.primary {
  background: linear-gradient(135deg, #4f7cff, #7b5cff);
  border: none;
}

.btn.small {
  padding: 8px 16px;
}

/* SECTIONS */
.section {
  padding: 80px 20px;
  text-align: center;
}

.section.dark {
  background: rgba(255,255,255,0.03);
}

.section h2 i {
  color: #4f7cff;
  margin-right: 8px;
}

/* CARDS */
.cards,
.pricing {
  display: flex;
  justify-content: center;
  gap: 25px;
  flex-wrap: wrap;
  margin-top: 40px;
}

.card,
.price-card {
  background: #12172b;
  padding: 35px 25px;
  border-radius: 16px;
  width: 260px;
  transition: 0.3s;
}

.card:hover,
.price-card:hover {
  transform: translateY(-8px);
}

.card .icon {
  font-size: 36px;
  color: #4f7cff;
  margin-bottom: 15px;
}

/* PRICING */
.price {
  font-size: 28px;
  margin: 15px 0;
}

.price-card ul {
  list-style: none;
  padding: 0;
}

.price-card li {
  margin: 10px 0;
}

.price-card i {
  color: #4f7cff;
  margin-right: 6px;
}

.popular {
  border: 2px solid #4f7cff;
  transform: scale(1.05);
}

/* FOOTER */
footer {
  padding: 30px;
  text-align: center;
  opacity: 0.6;
}