/* Phần giới thiệu */
.intro {
  max-width: 800px;
  margin: 40px auto;
  text-align: center;
  font-size: 18px;
  line-height: 1.6;
}

/* Card container */
.card-container {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 40px auto;
  max-width: 900px;
}

/* Card */
.card {
  background:white;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  text-align: center;
  overflow: hidden;
  width: 250px;
  transition: transform 0.3s ease;
}

.card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.card h3 {
  margin: 15px 0;
  color: #008000;
}

.card:hover {
  transform: scale(1.05);
}

/* Navbar */
.navbar {
  background-color: #222;
  display: flex;
  justify-content: center;
}
.navbar a {
  color: white;
  padding: 14px 20px;
  text-decoration: none;
  text-transform: uppercase;
  font-weight: bold;
}
.navbar a:hover {
  background-color: #575757;
}

/* Thông tin cá nhân */
.about-container {
  display: flex;
  justify-content: center;
  margin: 40px auto;
}
.profile-card {
  display: flex;
  background: white;
  padding: 20px;
  border-radius: 15px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  max-width: 800px;
}
.profile-img {
  width: 250px;
  border-radius: 10px;
  margin-right: 30px;
}
.info {
  flex: 1;
}
.info h2 {
  color: #0077b6;
}
.socials a {
  font-size: 22px;
  margin-right: 10px;
  color: #0077b6;
}
.socials a:hover {
  color: #005f73;
}

/* Timeline */
.timeline {
  margin: 40px auto;
  max-width: 700px;
  border-left: 3px solid #0077b6;
  padding-left: 20px;
}
.timeline-item {
  margin-bottom: 20px;
  position: relative;
}
.timeline-item::before {
  content: "";
  width: 12px;
  height: 12px;
  background: #0077b6;
  border-radius: 50%;
  position: absolute;
  left: -28px;
  top: 5px;
}
.year {
  font-weight: bold;
  color: #0077b6;
  margin-bottom: 5px;
}
.content {
  background: white;
  padding: 10px;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

/* Footer */
.footer {
  background: #111;
  color: white;
  text-align: center;
  padding: 10px;
  margin-top: 30px;
}