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

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

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

header {
  background: #ffffff;
  border-bottom: 1px solid #e5e5e5;
  position: sticky;
  top: 0;
  z-index: 100;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-size: 1.2rem;
  font-weight: bold;
  color: #2c5f5d;
}

nav {
  display: flex;
  gap: 1.5rem;
}

nav a {
  text-decoration: none;
  color: #444;
  font-weight: 500;
}

nav a:hover {
  color: #2c5f5d;
}

.hero {
  background: linear-gradient(
    rgba(44, 95, 93, 0.5),
    rgba(44, 95, 93, 0.5)
  ),
  url('images/background.jpg');
  background-size: cover;
  background-position: center;
  color: white;
  min-height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-content {
  max-width: 700px;
  padding: 2rem;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.hero a {
  color: #ffff00;
}

.button {
  display: inline-block;
  text-decoration: none;
  background: white;
  color: #2c5f5d;
  padding: 0.9rem 1.5rem;
  border-radius: 50px;
  font-weight: bold;
}

.button:hover {
  background: #f0f0f0;
}

.section {
  padding: 5rem 0;
}

.light {
  background: #f7f8f8;
}

h2 {
  text-align: center;
  margin-bottom: 2rem;
  color: #2c5f5d;
  font-size: 2rem;
}

.section p {
  max-width: 800px;
  margin: 0 auto 1rem;
  text-align: center;
}

.about-image {
  display: block;
  width: 100%;
  max-width: 600px;
  height: auto;
  margin: 0 auto;
  border-radius: 12px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.08);
}

.card h3 {
  color: #2c5f5d;
  margin-bottom: 1rem;
}

.contact-box {
  text-align: center;
  margin-top: 2rem;
}

footer {
  background: #2c5f5d;
  color: white;
  text-align: center;
  padding: 1.5rem;
}

@media (max-width: 768px) {

  header .container {
      flex-direction: column;
      gap: 1rem;
  }

  nav {
      flex-wrap: wrap;
      justify-content: center;
  }

  .hero h1 {
      font-size: 2rem;
  }

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

  .section {
      padding: 3rem 0;
  }
}