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

body {
  background-color: #0f172a;
  color: #ffffff;
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  background: rgba(15, 23, 42, 0.9);
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 24px;
  font-weight: 600;
}

.logo span {
  color: #38bdf8;
}

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

nav ul li a {
  color: #fff;
  text-decoration: none;
  margin-left: 20px;
  transition: 0.3s;
}

nav ul li a:hover {
  color: #38bdf8;
}

.hero {
  height: 80vh;
  display: flex;
  align-items: center;
  text-align: center;
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 10px;
}

.hero h1 span {
  color: #38bdf8;
}

.btn {
  display: inline-block;
  background: #38bdf8;
  color: #fff;
  padding: 12px 30px;
  text-decoration: none;
  border-radius: 5px;
  margin-top: 20px;
  font-weight: 600;
  transition: 0.3s;
}

.btn:hover {
  background: #0ea5e9;
}

.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  padding: 50px 0;
}

.service-card {
  background: #1e293b;
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  transition: 0.3s;
  border: 1px solid #334155;
}

.service-card:hover {
  transform: translateY(-10px);
  border-color: #38bdf8;
  cursor: pointer;
}

.contact-box {
  background: #1e293b;
  padding: 40px;
  border-radius: 15px;
  text-align: center;
  max-width: 600px;
  margin: 50px auto;
  border: 1px solid #334155;
}

.contact-box form {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 20px;
}

.contact-box input,
.contact-box textarea {
  padding: 12px;
  border-radius: 5px;
  border: 1px solid #334155;
  background: #0f172a;
  color: #fff;
  outline: none;
}

.contact-box input:focus,
.contact-box textarea:focus {
  border-color: #38bdf8;
}

.contact-box textarea {
  height: 120px;
  resize: none;
}

@media (max-width: 768px) {
  nav {
    flex-direction: column;
    gap: 15px;
  }

  nav ul {
    padding: 0;
  }

  nav ul li a {
    margin: 0 10px;
    font-size: 14px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero p {
    font-size: 16px;
    padding: 0 10px;
  }

  .hero {
    height: auto;
    padding: 80px 0;
  }

  .services {
    padding: 30px 0;
  }

  .service-card {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 26px;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

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