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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: #f9f7fd;
  color: #333;
  line-height: 1.6;
  padding-top: 60px; /* Để tránh bị thanh bar che mất nội dung */
}

/* Thanh điều hướng */
.bar {
  background-color: rgb(28, 238, 192);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 999;
}

/* Danh sách menu nằm ngang và tự co lại khi thu nhỏ */
.bar ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly;
  list-style: none;
  margin: 0;
  padding: 10px 20px;
}

/* Mỗi mục trong menu */
.bar li {
  white-space: nowrap;
}

/* Link trong menu */
.bar li a {
  color: white;
  font-weight: bold;
  text-decoration: none;
  display: inline-block;
  padding: 10px 14px;
  border-radius: 12px;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

/* Hiệu ứng khi hover */
.bar li a:hover {
  background-color: #00bfa5;
  transform: scale(1.15);
}
.my {
  text-align: center;
  background: rgb(223, 76, 76);
  padding: 40px 20px;
  margin: 30px auto;
  max-width: 1000px;
  border-radius: 20px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}
.my p {
  color: white;
}
.my img {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid rgb(28, 238, 192);
  margin-bottom: 20px;
}
.contact {
  max-width: 1000px;
  border-radius: 12px;
  text-align: center;
  padding: 40px 20px;
  margin: 30px auto;
  max-width: 1000px;
  border-radius: 20px;
  background-color: rgb(28, 238, 192);
}
.contact img {
  width: 75px;
  height: 75px;
  object-fit: cover;
  margin-bottom: 20px;
}

.skills-section {
  max-width: 1000px;
  margin: 30px auto;
  padding: 40px 20px;
  border-radius: 20px;
  background-color: rgb(28, 238, 192);
  text-align: center;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.skills-section h2 {
  font-size: 28px;
  margin-bottom: 30px;
  color: white;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  justify-items: center;
}

.skill-item {
  background-color: white;
  color: #333;
  padding: 14px 18px;
  border-radius: 12px;
  font-weight: 600;
  width: 100%;
  text-align: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.skill-item:hover {
  background-color: #00bfa5;
  color: white;
  transform: scale(1.05);
}
.hobbies,
.muctieu,
.Chungchi {
  background-color: #ffffff;
  margin: 30px auto;
  padding: 25px;
  max-width: 1000px;
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.08);
}
.hobbies h2,
.muctieu h2,
.Chungchi h2 {
  margin-bottom: 15px;
  color: #27ae60;
}
.hobbies ul {
  list-style: square inside;
  padding-left: 20px;
}
.hobbies ul li {
  margin: 8px 0;
}
.muctieu p {
  margin-bottom: 10px;
}

/* Chứng chỉ */
.Chungchi p {
  margin: 8px 0;
}

/* Footer */
.footer {
  background-color: #2c3e50;
  color: white;
  padding: 20px 0;
  text-align: center;
  margin-top: 50px;
}

.footer-links {
  margin-top: 10px;
}

.footer-links a {
  color: #ecf0f1;
  margin: 0 10px;
  text-decoration: none;
}

.footer-links a:hover {
  color: #2ecc71;
}