* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: #333;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1000px;
  margin: 0 auto;
}

a {
  text-decoration: none;
  color: inherit;
}

/* header */
header {
  background-color: #1a2b4c;
  padding: 15px 0;
}

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

.logo {
  color: white;
  font-size: 22px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
}

nav ul li a {
  color: white;
}

nav ul li a:hover {
  color: orange;
}

/* hero */
.hero {
  background-color: #f4f4f4;
  padding: 60px 0;
  text-align: center;
}

.hero h2 {
  font-size: 28px;
  margin-bottom: 15px;
  color: #1a2b4c;
}

.hero p {
  max-width: 600px;
  margin: 0 auto 20px auto;
  color: #555;
}

.btn {
  display: inline-block;
  background-color: #1a2b4c;
  color: white;
  padding: 12px 24px;
  border-radius: 5px;
  font-weight: bold;
}

.btn:hover {
  background-color: orange;
}

/* services */
#services {
  padding: 50px 0;
}

#services h2 {
  text-align: center;
  margin-bottom: 30px;
  color: #1a2b4c;
}

.services {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.service-box {
  background: #fff;
  border: 1px solid #ddd;
  padding: 20px;
  width: 220px;
  text-align: center;
  border-radius: 5px;
}

.service-box h3 {
  color: #1a2b4c;
  margin-bottom: 10px;
  font-size: 18px;
}

/* about */
.about-section {
  background-color: #eef1f5;
  padding: 50px 0;
}

.about-section h2 {
  color: #1a2b4c;
  margin-bottom: 15px;
}

.about-section p {
  margin-bottom: 12px;
}

.about-section ul {
  margin-top: 15px;
  margin-left: 20px;
}

.about-section li {
  margin-bottom: 8px;
}

/* contact */
#contact {
  padding: 50px 0;
}

#contact h2 {
  text-align: center;
  margin-bottom: 20px;
  color: #1a2b4c;
}

.contact-box {
  max-width: 500px;
  margin: 0 auto;
}

.contact-box p {
  margin-bottom: 8px;
}

form {
  margin-top: 20px;
}

form label {
  display: block;
  margin-top: 12px;
  margin-bottom: 5px;
  font-weight: bold;
}

form input, form select, form textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-family: inherit;
}

form button {
  margin-top: 15px;
  background-color: #1a2b4c;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  cursor: pointer;
}

form button:hover {
  background-color: orange;
}

/* footer */
footer {
  background-color: #1a2b4c;
  color: white;
  text-align: center;
  padding: 15px 0;
}

/* mobile */
@media (max-width: 600px) {
  .navbar {
    flex-direction: column;
    gap: 10px;
  }

  nav ul {
    gap: 12px;
  }

  .service-box {
    width: 100%;
  }
}