html {
  scroll-behavior: smooth;
}
body {
  margin: 0;

  font-family: "Inter", sans-serif;

  background: #f8fafc;

  color: #0f172a;
}

header {
  position: sticky;

  top: 0;

  z-index: 1000;

  display: flex;

  justify-content: space-between;

  align-items: center;

  padding: 20px 40px;

  background: #1e3a8a;

  color: white;

  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.logo {
  font-family: "Orbitron", sans-serif;

  font-size: 22px;

  letter-spacing: 2px;

  text-decoration: none;

  color: white;

  cursor: pointer;
}

nav a {
  margin-left: 25px;

  text-decoration: none;

  color: white;

  font-weight: 500;

  transition: 0.3s;
}

nav a:hover {
  color: #22d3ee;
}

.hero {
  position: relative;

  height: 90vh;

  display: flex;

  align-items: center;

  justify-content: center;

  text-align: center;

  background: linear-gradient(135deg, #0f172a, #1e3a8a, #7c3aed);

  color: white;

  overflow: hidden;
}

.hero h1 {
  font-family: "Orbitron", sans-serif;

  font-size: 60px;

  letter-spacing: 3px;

  text-shadow: 0 0 15px #22d3ee;

  margin-bottom: 20px;
}

.hero p {
  font-size: 22px;

  font-weight: 300;

  margin-bottom: 20px;
}

.hero-overlay {
  position: absolute;

  width: 100%;
  height: 100%;

  background: radial-gradient(
    circle at center,
    rgba(34, 211, 238, 0.15),
    transparent 70%
  );
}

.hero-content {
  position: relative;

  z-index: 2;

  max-width: 900px;
}

.hero-particles {
  position: absolute;

  width: 100%;
  height: 100%;

  background-image: radial-gradient(#22d3ee 1px, transparent 1px);

  background-size: 40px 40px;

  opacity: 0.2;

  animation: moveParticles 20s linear infinite;
}

@keyframes moveParticles {
  from {
    transform: translateY(0);
  }

  to {
    transform: translateY(-200px);
  }
}

.speed {
  font-size: 24px;

  margin-bottom: 30px;
}

.speed span {
  color: #22d3ee;

  animation: glow 2s infinite alternate;
}

@keyframes glow {
  from {
    text-shadow: 0 0 5px #22d3ee;
  }

  to {
    text-shadow: 0 0 25px #22d3ee;
  }
}

.btn {
  display: inline-block;

  margin-top: 30px;

  padding: 15px 35px;

  background: #22d3ee;

  color: black;

  border-radius: 8px;

  text-decoration: none;

  font-weight: 600;

  transition: 0.3s;
}

.btn:hover {
  transform: scale(1.05);

  background: #06b6d4;
}

.section {
  padding: 80px 20px;

  text-align: center;
}

.section h2 {
  font-size: 32px;

  margin-bottom: 40px;
}

.cards {
  display: flex;

  flex-wrap: wrap;

  justify-content: center;

  gap: 30px;
}

.card {
  background: white;

  padding: 30px;

  width: 260px;

  border-radius: 12px;

  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);

  transition: 0.3s;
}

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

  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.price {
  font-size: 30px;

  color: #7c3aed;

  margin: 10px 0;

  font-weight: 600;
}

.contact {
  background: #0f172a;

  color: white;

  padding: 80px 20px;

  text-align: center;
}

.contact-box {
  font-size: 20px;

  margin-top: 30px;
}

.contact-box a {
  color: #22d3ee;

  text-decoration: none;

  margin-left: 8px;
}

.contact-icons {
  margin-top: 25px;

  display: flex;

  gap: 20px;

  justify-content: center;
}

.contact-icons a {
  background: #1e293b;

  padding: 14px 22px;

  border-radius: 8px;

  color: white;

  text-decoration: none;

  font-size: 18px;

  display: flex;

  align-items: center;

  gap: 8px;

  transition: 0.3s;
}

.contact-icons a:hover {
  background: #22d3ee;

  color: black;
}

footer {
  text-align: center;

  padding: 20px;

  background: #020617;

  color: white;
}

/* icon animation */

@keyframes shake {
  0% {
    transform: rotate(0);
  }

  25% {
    transform: rotate(6deg);
  }

  50% {
    transform: rotate(-6deg);
  }

  75% {
    transform: rotate(4deg);
  }

  100% {
    transform: rotate(0);
  }
}

.contact-icons a:hover i {
  animation: shake 0.4s;
}

i {
  transition: 0.3s;
}

i:hover {
  transform: scale(1.2);
}

/* mobile */

@media (max-width: 768px) {
  .cards {
    flex-direction: column;

    align-items: center;
  }

  .hero h1 {
    font-size: 36px;
  }
}