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

body {
  background: #f7f9fc;
  color: #333;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}

header {
  background: white;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.logo {
  color: #2563eb;
}

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

nav li {
  margin: 0 15px;
}

nav a {
  text-decoration: none;
  color: #333;
  font-weight: bold;
}

nav a:hover {
  color: #2563eb;
}

.btn {
  background: #2563eb;
  color: white;
  padding: 12px 22px;
  text-decoration: none;
  border-radius: 8px;
}

.hero {
  height: 90vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: white;
  background:
    linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.6)),
    url("https://images.unsplash.com/photo-1518770660439-4636190af475?auto=format&fit=crop&w=1600&q=80");
  background-size: cover;
}

.hero-content {
  width: 700px;
}

.hero h1 {
  font-size: 60px;
  margin-bottom: 20px;
}

.hero p {
  font-size: 20px;
  margin-bottom: 35px;
  line-height: 1.6;
}

.buttons a {
  text-decoration: none;
  padding: 15px 30px;
  margin: 10px;
  border-radius: 8px;
  display: inline-block;
}

.primary {
  background: #2563eb;
  color: white;
}

.secondary {
  border: 2px solid white;
  color: white;
}

.services {
  padding: 100px 10%;
}

.services h2 {
  text-align: center;
  margin-bottom: 60px;
  font-size: 40px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.card {
  background: white;
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  transition: 0.4s;
}

.card:hover {
  transform: translateY(-10px);
}

.icon {
  font-size: 45px;
  margin-bottom: 20px;
}

.card h3 {
  margin-bottom: 15px;
}

.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  padding: 100px 10%;
  background: white;
}

.about h2 {
  font-size: 40px;
  margin-bottom: 20px;
}

.about p {
  margin-bottom: 20px;
  line-height: 1.8;
}

.about ul li {
  list-style: none;
  margin: 10px 0;
}

.right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.box {
  background: #2563eb;
  color: white;
  text-align: center;
  padding: 40px;
  border-radius: 15px;
}

.box h1 {
  font-size: 50px;
}

.contact {
  padding: 100px 10%;
}

.contact h2 {
  text-align: center;
  margin-bottom: 40px;
  font-size: 40px;
}

form {
  max-width: 700px;
  margin: auto;
}

input,
textarea {
  width: 100%;
  padding: 18px;
  margin-bottom: 20px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 16px;
}

textarea {
  height: 180px;
}

button {
  width: 100%;
  background: #2563eb;
  color: white;
  border: none;
  padding: 18px;
  font-size: 18px;
  border-radius: 8px;
  cursor: pointer;
}

button:hover {
  background: #1749b5;
}

footer {
  background: #111827;
  color: white;
  text-align: center;
  padding: 40px;
}

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

  nav ul {
    flex-direction: column;
    text-align: center;
    margin: 20px 0;
  }

  nav li {
    margin: 10px 0;
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero p {
    font-size: 18px;
  }

  .about {
    grid-template-columns: 1fr;
  }

  .right {
    grid-template-columns: 1fr;
  }
}