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

body {
  font-family: Georgia, 'Times New Roman', serif;
  color: #333;
  background: #f9f7f4;
  line-height: 1.7;
}

a {
  color: #5b7a8a;
  text-decoration: none;
}

a:hover {
  color: #3a5a6a;
  text-decoration: underline;
}

/* Header */
header {
  background: #4a6e7f;
  color: #fff;
  padding: 1.5rem 0;
  border-bottom: 4px solid #3a5a6a;
}

header .container {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

header img.logo {
  height: 70px;
  width: auto;
}

header .site-title {
  font-size: 1.6rem;
  font-weight: bold;
  letter-spacing: 0.5px;
}

header .site-subtitle {
  font-size: 0.95rem;
  opacity: 0.85;
  margin-top: 0.2rem;
}

/* Navigation */
nav {
  background: #3a5a6a;
}

nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

nav ul li a {
  display: block;
  color: #e0ebe8;
  padding: 0.8rem 1.2rem;
  font-size: 0.95rem;
  transition: background 0.2s;
}

nav ul li a:hover,
nav ul li a.active {
  background: #2d4a58;
  color: #fff;
  text-decoration: none;
}

/* Container */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Main Content */
main {
  padding: 2.5rem 0;
  min-height: 60vh;
}

main h1 {
  font-size: 1.8rem;
  color: #4a6e7f;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid #d4c9b8;
  padding-bottom: 0.5rem;
}

main h3 {
  font-size: 1.2rem;
  color: #4a6e7f;
  margin: 2rem 0 0.8rem;
}

main p {
  margin-bottom: 1rem;
}

main ul {
  margin: 0.5rem 0 1.5rem 1.5rem;
}

main ul li {
  margin-bottom: 0.5rem;
}

/* Welcome page */
.welcome-content {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  flex-wrap: wrap;
}

.welcome-text {
  flex: 1;
  min-width: 300px;
}

.welcome-photo {
  flex-shrink: 0;
}

.welcome-photo img {
  max-width: 300px;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

/* Rates */
.rate-section {
  margin-bottom: 1.5rem;
}

.rate-section strong {
  display: block;
  font-style: italic;
  color: #4a6e7f;
  margin-bottom: 0.3rem;
}

/* Resume */
.position-list {
  list-style: none;
  margin-left: 0;
}

.position-list li {
  margin-bottom: 1rem;
  padding-left: 1rem;
  border-left: 3px solid #d4c9b8;
}

.publication {
  margin-bottom: 0.8rem;
  padding-left: 1rem;
  font-size: 0.92rem;
}

/* Contact */
.contact-info {
  text-align: center;
  padding: 2rem 0;
}

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

.contact-item {
  margin-bottom: 1.5rem;
}

.contact-item label {
  display: block;
  font-weight: bold;
  color: #4a6e7f;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.contact-item img {
  max-width: 250px;
  height: auto;
}

/* Footer */
footer {
  background: #4a6e7f;
  color: #c8d8df;
  text-align: center;
  padding: 1.2rem 0;
  font-size: 0.85rem;
  margin-top: 2rem;
}

footer a {
  color: #e0ebe8;
}

/* Responsive */
@media (max-width: 600px) {
  header .container {
    flex-direction: column;
    text-align: center;
  }

  nav ul {
    flex-direction: column;
  }

  nav ul li a {
    padding: 0.6rem 1rem;
  }

  .welcome-content {
    flex-direction: column;
  }

  .welcome-photo img {
    max-width: 100%;
  }

  header .site-title {
    font-size: 1.3rem;
  }
}