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

body {
  color: #333;
  line-height: 1.6;
}

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

.header {
  background: #0a1f44;
  padding: 15px 0;
}

.logo {
  color: #fff;
  font-size: 22px;
  font-weight: bold;
}

.logo span {
  color: #00b4ff;
}

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

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

.hero {
  background: url("images/hero.jpg") center/cover no-repeat;
  color: #fff;
  padding: 120px 0;
  text-align: center;
}

.hero h1 {
  font-size: 42px;
  margin-bottom: 15px;
}

.section {
  padding: 70px 0;
}

.section h2 {
  text-align: center;
  margin-bottom: 40px;
}

.gray {
  background: #f4f6f8;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.feature {
  background: #eef2f6;
  padding: 20px;
  text-align: center;
  border-radius: 8px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.card {
  background: #fff;
  padding: 25px;
  border-radius: 10px;
  text-align: center;
}

.card img {
  width: 100%;
  max-height: 160px;
  object-fit: contain;
  margin-bottom: 15px;
}

.btn {
  background: #00b4ff;
  color: #fff;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.btn-big {
  font-size: 18px;
  padding: 15px 30px;
}

.contact-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

form input,
form textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
}

.footer {
  background: #0a1f44;
  color: #fff;
  text-align: center;
  padding: 20px 0;
}

@media (max-width: 768px) {
  .contact-box {
    grid-template-columns: 1fr;
  }
}