/* ===========================
   General Styles
=========================== */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  margin: 0;
  padding: 0;
}

a {
  color: #007BFF;
  text-decoration: none;
}

a:hover {
  color: #0056b3;
}

/* ===========================
   Header & Navigation
=========================== */
header {
  background-color: #f8f9fa;
  padding: 1rem 2rem;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header h1 {
  margin: 0 0 0.5rem 0;
  font-size: 2rem;
}

nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  gap: 1rem;
}

nav ul li a {
  font-weight: 500;
  transition: color 0.3s;
}

/* ===========================
   Sections
=========================== */
section {
  padding: 4rem 2rem;
}

section h2 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  text-align: center;
}

/* ===========================
   Research & Project Cards
=========================== */
.project-card, .research-card {
  background-color: #fff;
  border-radius: 0.75rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  padding: 1.5rem;
  margin-bottom: 2rem;
  transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover, .research-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.project-card h3, .research-card h3 {
  margin-top: 0;
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.project-card p, .research-card p {
  font-size: 0.95rem;
}

/* ===========================
   Forms
=========================== */
form {
  max-width: 500px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

input[type="text"],
input[type="email"],
textarea {
  padding: 0.5rem;
  border-radius: 0.5rem;
  border: 1px solid #ccc;
  font-size: 1rem;
}

input[type="submit"] {
  background-color: #007BFF;
  color: #fff;
  border: none;
  padding: 0.75rem;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background-color 0.3s;
}

input[type="submit"]:hover {
  background-color: #0056b3;
}

/* ===========================
   Footer
=========================== */
footer {
  background-color: #222;
  color: #fff;
  text-align: center;
  padding: 2rem 1rem;
  font-size: 0.9rem;
}

/* ===========================
   Responsive
=========================== */
@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    gap: 0.5rem;
  }
}