body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #f4f4f4;
  color: #333;
}

header {
  background: linear-gradient(to top, #58788d, #b9c9d6);
  padding: 2rem;
  text-align: center;
  color: white;
  background-image: url('mountains.svg');
  background-size: cover;
  background-repeat: no-repeat;
}

nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 1rem;
}

nav a, nav button {
  text-decoration: none;
  color: white;
  font-weight: bold;
  background: transparent;
  border: none;
  cursor: pointer;
}

section {
  padding: 2rem;
  max-width: 800px;
  margin: auto;
}

#hero {
  background: #d1e3ec;
  text-align: center;
  padding: 3rem 1rem;
}

#skills input {
  width: 100%;
  padding: 0.5rem;
  margin-bottom: 1rem;
  border-radius: 4px;
  border: 1px solid #ccc;
}

#skillList li {
  margin-bottom: 0.5rem;
}

footer {
  text-align: center;
  padding: 1rem;
  background: #333;
  color: white;
}

.animated {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s forwards;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: none;
  }
}

.slide-up {
  animation-delay: 0.3s;
}