html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-image: url("../images/banner3.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  font-family: Georgia, serif;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  color: #1f2a44;
}

.container {
  width: 80%;
  max-width: 1100px;
  margin: 40px auto;
  padding: 35px;
  border: 1px solid rgba(25, 25, 112, 0.18);
  background-color: rgba(248, 250, 252, 0.92);
  text-align: center;
  border-radius: 18px;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.12);
}

header h1 {
  color: #1e3a5f;
  font-size: 50px;
  margin-bottom: 20px;
}

header p {
  max-width: 800px;
  margin: 15px auto;
  line-height: 1.8;
  font-size: 18px;
  color: #334155;
}

.social-icons {
  margin-bottom: 20px;
}

.social-icons a {
  margin: 10px;
  text-decoration: none;
  display: inline-block;
}

.icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
  margin: 0 8px;
  vertical-align: middle;
  display: block;
}

.social-icons a img {
  border: none;
  display: block;
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 18px;
  padding: 0;
  margin: 25px 0 45px 0;
  flex-wrap: wrap;
}

nav ul li a {
  text-decoration: none;
  background-color: #1e3a5f;
  color: #ffffff;
  padding: 12px 24px;
  font-weight: bold;
  display: inline-block;
  border-radius: 10px;
  transition: 0.3s ease;
}

nav ul li a:hover {
  background-color: #2f5d8a;
}

section {
  margin: 55px 0;
  text-align: center;
}

section h2 {
  text-align: center;
  color: #1e3a5f;
  margin-bottom: 30px;
  font-size: 30px;
}

section h3 {
  color: #1e3a5f;
  margin-top: 30px;
}

section p {
  max-width: 900px;
  margin: 0 auto 18px auto;
  line-height: 1.8;
  font-size: 18px;
  color: #334155;
}

section ul {
  list-style-position: inside;
  padding: 0;
  line-height: 2;
}

.contact-links {
  margin-top: 20px;
}

.contact-links p {
  margin-left: 0;
  margin-bottom: 10px;
}

.contact-links a {
  text-decoration: none;
  color: #1e3a5f;
  font-size: 16px;
  font-weight: bold;
}

.contact-links a:hover {
  color: #2f5d8a;
  text-decoration: underline;
}

.project-card {
  background-color: #eef4fb;
  border: 1px solid #c7d7ea;
  border-radius: 16px;
  padding: 24px;
  margin: 25px auto;
  max-width: 850px;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
  text-align: left;
}

.project-card h3 {
  color: #1e3a5f;
  margin-bottom: 12px;
  text-align: center;
}

.project-card p {
  line-height: 1.8;
  margin-bottom: 10px;
  color: #334155;
}

.project-meta {
  font-weight: bold;
  color: #1e3a5f;
  text-align: center;
  margin-top: 12px;
}

.highlight-card {
  background-color: #f4f8fc;
  border-left: 5px solid #2f5d8a;
  border-radius: 14px;
  padding: 18px 22px;
  margin: 18px auto;
  max-width: 850px;
  box-shadow: 0 5px 14px rgba(15, 23, 42, 0.06);
  text-align: left;
}

.highlight-card p {
  margin: 0;
  line-height: 1.8;
  color: #334155;
}

@media screen and (max-width: 768px) {
  .container {
    width: 90%;
    padding: 22px;
  }

  header h1 {
    font-size: 36px;
  }

  nav ul {
    gap: 12px;
  }

  nav ul li a {
    padding: 10px 18px;
    font-size: 14px;
  }

  .project-card,
  .highlight-card {
    width: 100%;
    padding: 16px;
    box-sizing: border-box;
  }

  section p {
    width: 100%;
    font-size: 16px;
  }
}