/* Reset & basics */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: Arial, sans-serif;
  color: #222;
  background-color: #cef; /* For browsers that do not support gradients */
  background-image: linear-gradient(to bottom, #fff, #2E75B6);;
  line-height: 1.6;
}

/* Container */
.header-grid {
  display: grid;
  grid-gap: 10px;
  grid-template-columns: repeat(auto-fit,minmax(500px,1fr));
  place-items: center;
}

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

/* Navbar */
.navbar {
  background: #fff;
  padding-top: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar .logo {
  font-size: 1.5rem;
  font-weight: bold;
  text-decoration: none;
  color: #000;
}
.nav-right a {
  margin-left: 20px;
  text-decoration: none;
  color: #0072f5;
}
.nav-right a:hover {
  text-decoration: underline;
}

/* Sections */
section {
  padding: 60px 0;
}
h2 {
  font-size: 2rem;
  margin-bottom: 25px;
}
h3 {
  font-weight: normal;
  font-size: 1.3rem;
  margin-bottom: 10px;
}

/* Features / Expertise */
.features-grid,
.expertise-grid {
  display: grid;
  grid-gap: 20px;
  grid-template-columns: repeat(auto-fit,minmax(240px,1fr));
}
.feature-box,
.expertise-box {
  text-align: center;
  background: white;
  padding: 20px;
  border-radius: 20px;
}
.feature-box4,
.expertise-box4 {
  text-align: center;
  background: white;
  padding: 20px;
  border-radius: 20px;
}

/* Publications */
.publications .publication {
  background: #fff;
  border-left: 4px solid #0072f5;
  padding: 15px;
  margin-bottom: 15px;
  border-radius: 20px;
}

/* Contact */
.contact {
  text-align: center;
  background: #fff;
  margin-bottom: 50px;
  max-width: 600px;
  border-radius: 20px;
}

/* Footer */
.footer {
  text-align: center;
  padding: 18px 0;
  background: #fafafa;
  border-top: 1px solid #ddd;
}