body {
  font-family: 'Inter', sans-serif;
  background: linear-gradient(to right, #fffdfc, #fff5f2);
  color: #333;
  padding: 20px;
  transition: background 0.3s ease;
}

.container {
  max-width: 900px;
  margin: auto;
  padding: 30px;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
}

header {
  text-align: center;
  margin-bottom: 40px;
}

.profile-img {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 12px;
  border: 3px solid #f49ca4;
}

h1 {
  font-size: 34px;
  color: #c94e63;
  margin-bottom: 4px;
}

.subtitle {
  font-size: 16px;
  color: #777;
}

.nav-links {
  margin: 20px 0 25px;
}

.nav-links button {
  margin: 6px;
  padding: 10px 20px;
  border-radius: 25px;
  border: none;
  background-color: #f49ca4;
  color: white;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.nav-links button:hover {
  background-color: #d56676;
}

.social-links {
  margin-top: 15px;
}

.social-links a {
  margin: 5px 10px;
  padding: 8px 16px;
  border: 2px solid #f49ca4;
  border-radius: 25px;
  color: #c94e63;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s;
}

.social-links a:hover {
  background-color: #f49ca4;
  color: white;
}

section {
  margin-top: 40px;
}

h2 {
  font-size: 22px;
  color: #c94e63;
  margin-bottom: 12px;
}

.skills ul {
  list-style: none;
}

.skills li {
  background-color: #fff3f4;
  padding: 10px 14px;
  margin-bottom: 10px;
  border-left: 5px solid #f6b4ba;
  border-radius: 6px;
}

.project {
  background-color: #fff6f6;
  border-left: 5px solid #f6b4ba;
  border-radius: 6px;
  padding: 15px;
  margin-bottom: 20px;
}

.cert-images {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.cert-block {
  text-align: center;
}

.cert-title {
  font-weight: 500;
  margin-bottom: 10px;
  color: #c94e63;
}

.cert-img {
  max-width: 350px;
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.cert-img:hover {
  transform: scale(1.03);
}

footer {
  text-align: center;
  font-size: 13px;
  color: #aaa;
  margin-top: 60px;
}

.dark-mode {
  background: #1a1a1a;
  color: #f0f0f0;
}

.dark-mode .container {
  background-color: #2a2a2a;
}

.dark-mode h1,
.dark-mode h2,
.dark-mode .project h3 {
  color: #ff9cae;
}

.dark-mode .nav-links button {
  background-color: #ff9cae;
  color: #1a1a1a;
}

.dark-mode .nav-links button:hover {
  background-color: #f36c87;
}

.dark-mode .social-links a {
  border-color: #ff9cae;
  color: #ff9cae;
}

.dark-mode .social-links a:hover {
  background-color: #ff9cae;
  color: #1a1a1a;
}