body {
  margin: 0;
  font-family: "Poppins", sans-serif;
  background: linear-gradient(135deg, #0a74da, #00c6ff);
  color: white;
  scroll-behavior: smooth;
}

header {
  text-align: center;
  padding: 40px 20px;
}

.profile-img {
  width: 150px;
  border-radius: 50%;
  margin-bottom: 10px;
  border: 3px solid white;
}

h1 span {
  color: #ffd700;
}

nav a {
  color: white;
  text-decoration: none;
  margin: 0 10px;
  font-weight: bold;
  transition: color 0.3s;
}

nav a:hover {
  color: #ffd700;
}

section {
  padding: 40px 20px;
  background: rgba(255, 255, 255, 0.1);
  margin: 20px auto;
  border-radius: 10px;
  width: 90%;
  max-width: 800px;
}

h2 {
  text-align: center;
  color: #fff;
}

/* Efek Ketik */
.typing {
  font-size: 1.2rem;
  min-height: 30px;
  border-right: 3px solid #fff;
  width: fit-content;
  margin: 10px auto;
  white-space: nowrap;
  overflow: hidden;
}

/* Tombol Mode */
.mode-btn {
  background-color: #005db3;
  color: white;
  padding: 10px 15px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 10px;
  transition: 0.3s;
}
.mode-btn:hover {
  background-color: #008cff;
}

/* Fade-in Animasi */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s, transform 0.8s;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Proyek */
.project-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.card {
  background: rgba(255, 255, 255, 0.15);
  padding: 20px;
  border-radius: 10px;
  text-align: center;
  transition: transform 0.3s;
}
.card:hover {
  transform: scale(1.05);
}
.card .btn {
  background-color: #008cff;
  color: white;
  text-decoration: none;
  padding: 10px 15px;
  border-radius: 8px;
  display: inline-block;
  margin-top: 10px;
  transition: 0.3s;
}
.card .btn:hover {
  background-color: #ffd700;
  color: #333;
}

/* Form Kontak */
form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 80%;
  max-width: 500px;
  margin: 20px auto;
}
form input,
form textarea {
  padding: 10px;
  border-radius: 6px;
  border: none;
  font-size: 1rem;
}
form button {
  background-color: #007bff;
  color: white;
  padding: 12px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  transition: 0.3s;
}
form button:hover {
  background-color: #00c6ff;
  transform: scale(1.05);
}

/* Scroll to top */
#scrollTopBtn {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 50%;
  padding: 15px;
  font-size: 20px;
  cursor: pointer;
  display: none;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
  transition: 0.3s;
}
#scrollTopBtn:hover {
  background-color: #00c6ff;
  transform: scale(1.1);
}

/* Mode Gelap */
body.dark {
  background: #121212;
  color: #eee;
}
body.dark section {
  background: rgba(255, 255, 255, 0.05);
}
body.dark .mode-btn {
  background-color: #00c6ff;
}
body.dark .card .btn {
  background-color: #00c6ff;
}