/* style.css */
:root {
  --malva: #b066ff;
  --turquesa: #00e0d1;
  --rosa: #ff5ca2;
  --fondo: #f9f9fb;
  --texto: #222;
  --blanco: #ffffff;
  --sombra: rgba(0, 0, 0, 0.1);
}

body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--fondo);
  color: var(--texto);
  line-height: 1.6;
}

header {
  background: linear-gradient(90deg, var(--malva), var(--turquesa));
  color: var(--blanco);
  padding: 1rem;
  box-shadow: 0 2px 10px var(--sombra);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 1.8rem;
  font-weight: bold;
}

nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

nav a {
  color: var(--blanco);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s ease;
}

nav a.activo,
nav a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

main {
  padding: 2rem;
}

section.presentacion {
  background: var(--blanco);
  border-radius: 16px;
  box-shadow: 0 4px 20px var(--sombra);
  padding: 2rem;
  margin-bottom: 2rem;
}

h2, h3 {
  color: var(--malva);
}

ul {
  padding-left: 1.5rem;
}

.btn {
  display: inline-block;
  background: var(--rosa);
  color: var(--blanco);
  padding: 0.6rem 1.2rem;
  margin: 0.5rem 0.2rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: bold;
  box-shadow: 0 2px 8px var(--sombra);
  transition: background 0.3s;
}

.btn:hover {
  background: var(--turquesa);
}

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

input, textarea {
  padding: 0.8rem;
  border-radius: 10px;
  border: 1px solid #ccc;
  font-size: 1rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

table, th, td {
  border: 1px solid #ddd;
}

th, td {
  padding: 0.8rem;
  text-align: left;
}

footer {
  text-align: center;
  padding: 1rem;
  background: #f1f1f1;
  font-size: 0.9rem;
  margin-top: 3rem;
}