body {
  margin: 0;
  font-family: 'Montserrat', sans-serif;
  background: #fff;
  color: #111;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 50px;
  border-bottom: 1px solid #eee;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-box {
  width: 12px;
  height: 12px;
  background: blue;
  display: inline-block;
}

.name {
  font-weight: 800;
  font-size: 20px;
}

.title {
  font-weight: 400;
  font-size: 16px;
  color: #333;
}

nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #111;
  font-weight: 500;
}

nav a:hover {
  color: blue;
}

.hero {
  display: flex;
  flex-wrap: wrap;
  justify-content: center; /* căn giữa theo chiều ngang */
  align-items: center;     /* căn giữa theo chiều dọc */
  padding: 50px;
  background: #f5ede4;
  text-align: center;      /* căn giữa nội dung bên trong */
  gap: 40px;               /* khoảng cách giữa hai phần */
}


.profile-card {
  background: #f7f0ea;
  padding: 30px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  margin-right: 50px;
}

.profile-card img {
  width: 150px;
  border-radius: 50%;
  margin-bottom: 20px;
}

.profile-card h2 {
  margin: 0;
  font-size: 24px;
}

.profile-card hr {
  width: 40px;
  height: 3px;
  background: blue;
  border: none;
  margin: 10px auto;
}

.profile-card p {
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.socials a {
  margin: 0 8px;
}

.intro-text {
  max-width: 600px;
}

.intro-text h1 {
  font-size: 72px;
  margin-bottom: 0;
}

.intro-text .subtitle {
  font-size: 24px;
  margin-top: 0;
  margin-bottom: 30px;
}

.buttons {
  margin-bottom: 30px;
}

.btn {
  padding: 10px 25px;
  text-decoration: none;
  font-weight: 600;
  border-radius: 25px;
  margin-right: 15px;
}

.btn-primary {
  background: blue;
  color: white;
}

.btn-outline {
  border: 2px solid #111;
  color: #111;
}

.paragraph {
  line-height: 1.6;
  font-size: 16px;
}

footer {
  background: #fff;
  padding: 30px 50px;
  font-size: 14px;
  border-top: 1px solid #eee;
  text-align: center;
}

.footer-info {
  display: flex;
  justify-content: center; /* căn giữa theo chiều ngang */
  text-align: center;       /* căn giữa nội dung từng cột */
  gap: 60px;                /* khoảng cách giữa các cột */
  margin-top: 20px;
  flex-wrap: wrap;
}

footer a {
  color: blue;
  text-decoration: none;
}

.socials a {
  margin: 0 5px;
}

.copyright {
  margin-top: 30px;
  font-size: 14px;
  color: #555;
}