/* === MODERN SCIENTIFIC PORTFOLIO STYLE === */

body {
  font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
  background-color: #f7f9fc;
  color: #222;
  margin: 0;
  line-height: 1.6;
}

/* --- HEADER --- */
header {
  background: #003366;
  color: white;
  padding: 2rem 0;
  text-align: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}
header h1 {
  font-size: 2rem;
  margin: 0;
  font-weight: 600;
}
header p {
  font-size: 1.1rem;
  margin: 0.5rem 0 0;
  opacity: 0.85;
}

/* --- NAVIGATION --- */
nav {
  background: #f0f2f5;
  text-align: center;
  padding: 0.8rem;
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}
nav a {
  color: #003366;
  text-decoration: none;
  margin: 0 1.2rem;
  font-weight: 500;
  transition: color 0.2s ease;
}
nav a:hover {
  color: #006994;
  text-decoration: underline;
}

/* --- MAIN CONTENT --- */
main {
  max-width: 850px;
  margin: 2.5rem auto;
  padding: 2rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 0 15px rgba(0,0,0,0.05);
}

h2 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  color: #003366;
}
p {
  font-size: 1.1rem;
  color: #333;
  text-align: justify;
}
a {
  color: #006994;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* --- BUTTONS --- */
button {
  background: #e6eef5;
  border: 1px solid #ccc;
  border-radius: 5px;
  padding: 5px 10px;
  margin-left: 4px;
  cursor: pointer;
  font-size: 0.9rem;
}
button:hover {
  background-color: #d4e0ec;
}

.btn {
  background: #006994;
  color: white;
  padding: 10px 18px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  margin: 6px;
  display: inline-block;
}
.btn:hover {
  background-color: #004d6b;
}

/* --- FOOTER --- */
footer {
  text-align: center;
  padding: 1rem;
  color: #555;
  font-size: 0.9rem;
  border-top: 1px solid #ddd;
  margin-top: 3rem;
}
footer a {
  color: #003366;
  margin: 0 8px;
  text-decoration: none;
}
footer a:hover {
  text-decoration: underline;
}

/* --- LANGUAGE LAYOUT --- */
.blurb {
  margin-top: 1rem;
  line-height: 1.7;
  text-align: justify;
}

/* --- RESPONSIVE --- */
@media (max-width: 700px) {
  header h1 { font-size: 1.6rem; }
  main { padding: 1rem; }
  nav a { display: inline-block; margin: 0.6rem; }
}