/*
  Estilos para Pulsación Equilibrada
  Este archivo define una paleta de colores cálidos (azul profundo y
  dorado), fuentes elegantes y una estructura adaptable. Cada sección
  está pensada para ofrecer una lectura cómoda en distintos tamaños de
  pantalla, siguiendo las recomendaciones de accesibilidad. Las clases
  se organizan por componentes: cabecera, héroe, artículos, cursos,
  formulario y pie de página, así como el banner de cookies.
*/

/* Variables de color y fuente */
:root {
  --color-primary: #152238; /* azul profundo */
  --color-secondary: #d1b464; /* dorado suave */
  --color-background: #f9f7f3; /* beige claro */
  --color-light: #ffffff; /* blanco */
  --color-text: #333333; /* gris oscuro para texto */
  --font-heading: 'Georgia', 'Times New Roman', serif;
  --font-body: 'Segoe UI', 'Arial', sans-serif;
}

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

body {
  font-family: var(--font-body);
  line-height: 1.6;
  background-color: var(--color-background);
  color: var(--color-text);
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Cabecera */
.site-header {
  background-color: var(--color-primary);
  color: var(--color-light);
  padding: 1rem 0;
}
.site-header .brand h1 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-bottom: 0.25rem;
}
.site-header .tagline {
  font-size: 0.9rem;
  color: var(--color-secondary);
}
.site-header .top-nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.site-header .top-nav a {
  color: var(--color-light);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}
.site-header .top-nav a:hover {
  color: var(--color-secondary);
}

/* Hero */
.hero-area {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-background) 80%);
  padding: 4rem 0;
  text-align: center;
  color: var(--color-primary);
}
.hero-area h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 0.75rem;
}
.hero-area p {
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto;
}

/* Secciones de contenido */
.content-section {
  padding: 3rem 0;
  background-color: var(--color-light);
  border-top: 1px solid #e0dcd4;
}
.content-section:nth-of-type(even) {
  background-color: var(--color-background);
}
.content-section h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
  text-align: center;
}
.reading {
  margin-bottom: 3rem;
}
.reading h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
}
.reading p {
  margin-bottom: 1rem;
  text-align: justify;
}

/* Cursos */
.courses .course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.course-item {
  background-color: var(--color-background);
  border: 1px solid #e2dfd8;
  padding: 1.5rem;
  border-radius: 6px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}
.course-item h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}
.course-item p {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

/* Nosotros */
.about p {
  margin-bottom: 1rem;
}

/* FAQ */
.faq-section .faq-entry {
  margin-bottom: 1.5rem;
}
.faq-entry h4 {
  font-family: var(--font-heading);
  color: var(--color-secondary);
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}
.faq-entry p {
  font-size: 0.95rem;
  margin-left: 0.5rem;
}

/* Formulario */
.registration-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 550px;
  margin-top: 1rem;
}
.registration-form label {
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--color-primary);
}
.registration-form input,
.registration-form select {
  padding: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
  background-color: var(--color-light);
}
.registration-form input:focus,
.registration-form select:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 2px rgba(209, 180, 100, 0.4);
}
.checkbox-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}
.checkbox-container input[type="checkbox"] {
  accent-color: var(--color-secondary);
}
.registration-form button {
  background-color: var(--color-primary);
  color: var(--color-light);
  border: none;
  padding: 0.6rem;
  font-size: 1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
.registration-form button:hover {
  background-color: #0f1b2d;
}
.form-message {
  margin-top: 0.5rem;
  font-size: 0.95rem;
}
.form-message.success {
  color: #2a7f32;
}
.form-message.error {
  color: #c0392b;
}

/* Pie de página */
.site-footer {
  background-color: var(--color-primary);
  color: var(--color-light);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.85rem;
}
.site-footer a {
  color: var(--color-secondary);
  text-decoration: none;
}
.site-footer a:hover {
  text-decoration: underline;
}

/* Banner de cookies */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(21, 34, 56, 0.95);
  color: var(--color-light);
  display: none;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  flex-wrap: wrap;
  z-index: 1000;
}
.cookie-banner p {
  margin-bottom: 0.5rem;
  flex: 1 1 auto;
}
.cookie-buttons {
  display: flex;
  gap: 0.5rem;
}
.cookie-buttons button {
  background-color: var(--color-secondary);
  border: none;
  padding: 0.5rem 1rem;
  color: var(--color-primary);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background-color 0.3s ease;
}
.cookie-buttons button:hover {
  background-color: #bfa35a;
}

/* Responsividad */
@media (max-width: 768px) {
  .top-nav ul {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }
  .hero-area {
    padding: 3rem 0;
  }
  .courses .course-grid {
    grid-template-columns: 1fr;
  }
  .registration-form {
    max-width: 100%;
  }
}