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

body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(to bottom right, #0f172a, #1e293b, #3b0764);
  color: #f8fafc;
  line-height: 1.6;
  padding: 1rem;
}

header {
  text-align: center;
  margin-bottom: 2rem;
}

nav button {
  margin: 0 0.5rem;
  padding: 0.5rem 1rem;
  background-color: #1e293b;
  color: #f8fafc;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background 0.3s;
}

nav button:hover {
  background-color: #334155;
}

main section {
  margin: 2rem auto;
  max-width: 800px;
  background-color: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

h1, h2, h3 {
  color: #facc15;
  margin-bottom: 1rem;
}

.project-list {
  display: grid;
  gap: 1.5rem;
}

.project {
  display: block;
  padding: 1rem;
  background: #0f172a;
  border: 1px solid #475569;
  border-radius: 0.75rem;
  text-decoration: none;
  color: #f8fafc;
  transition: transform 0.3s ease;
}

.project:hover {
  transform: translateY(-5px);
  background-color: #1e293b;
}

.project.disabled {
  opacity: 0.5;
  pointer-events: none;
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

input, textarea {
  padding: 0.75rem;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
}

button[type="submit"] {
  background-color: #facc15;
  color: #0f172a;
  font-weight: bold;
  border: none;
  border-radius: 0.5rem;
  padding: 0.75rem;
  cursor: pointer;
  transition: background 0.3s ease;
}

button[type="submit"]:hover {
  background-color: #eab308;
}

footer {
  text-align: center;
  margin-top: 3rem;
  font-size: 0.875rem;
  color: #cbd5e1;
}