/* Variables */
:root {
  --primary-color: #3a6ea5;
  --secondary-color: #f4b9b9;
  --accent-color: #6c63ff;
  --dark-color: #2c3e50;
  --light-color: #f8f9fa;
  --gray-color: #6c757d;
  --success-color: #28a745;
  --border-color: #dee2e6;
  --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
  --border-radius: 5px;
}

/* Reset y estilos generales */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--dark-color);
  background-color: #fff;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: var(--transition);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
  font-size: 2.5rem;
  color: var(--dark-color);
  position: relative;
  padding-bottom: 15px;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--primary-color);
}

.btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: #2c5282;
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: white;
}

.btn-sm {
  padding: 8px 15px;
  font-size: 0.9rem;
}

/* Navegación */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: white;
  box-shadow: var(--shadow);
  z-index: 1000;
  transition: var(--transition);
}

#navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
}

.nav-links {
  display: flex;
  align-items: center;
}

.nav-links li {
  margin-left: 30px;
}

.nav-links a {
  color: var(--dark-color);
  font-weight: 500;
  position: relative;
}

.nav-links a:hover {
  color: var(--primary-color);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition);
}

.nav-links a:hover::after {
  width: 100%;
}

.btn-contacto {
  background-color: var(--primary-color);
  color: white !important;
  padding: 8px 20px;
  border-radius: var(--border-radius);
}

.btn-contacto:hover {
  background-color: #2c5282;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background-color: var(--dark-color);
  margin: 3px 0;
  transition: var(--transition);
}

/* Hero Section */
#hero {
  height: 100vh;
  background:
    linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.3)),
    url("imgs/Academia\ Wolframio-banner.jpg") no-repeat center center / cover;
  display: flex;
  align-items: center;
  text-align: center;
  color: white;
  padding-top: 80px;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  animation: fadeInDown 1s ease;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  animation: fadeInUp 1s ease;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  animation: fadeIn 1.5s ease;
}

/* Nosotros Section */
#nosotros {
  padding: 100px 0;
  background-color: var(--light-color);
}

.nosotros-content {
  display: flex;
  align-items: center;
  gap: 50px;
}

.nosotros-text {
  flex: 1;
}

.nosotros-text h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.nosotros-text p {
  margin-bottom: 20px;
}

.nosotros-text ul {
  margin-top: 20px;
}

.nosotros-text li {
  margin-bottom: 10px;
  display: flex;
  align-items: center;
}

.nosotros-text li i {
  color: var(--success-color);
  margin-right: 10px;
}

.nosotros-image {
  flex: 1;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

/* Cursos Section */
#cursos {
  padding: 100px 0;
}

.filter-buttons {
  display: flex;
  justify-content: center;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-btn {
  padding: 8px 20px;
  background-color: transparent;
  border: 1px solid var(--border-color);
  border-radius: 30px;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.cursos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
}

.curso-card {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  background-color: white;
}

.curso-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.curso-img {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.curso-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.curso-card:hover .curso-img img {
  transform: scale(1.1);
}

.curso-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background-color: var(--secondary-color);
  color: white;
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.curso-content {
  padding: 20px;
}

.curso-content h3 {
  margin-bottom: 10px;
  font-size: 1.3rem;
  color: var(--dark-color);
}

.curso-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 15px;
  font-size: 0.9rem;
  color: var(--gray-color);
}

.curso-info span {
  display: flex;
  align-items: center;
}

.curso-info i {
  margin-right: 5px;
}

.curso-content p {
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.curso-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.curso-precio {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-color);
}

/* Galería Section */
#galeria {
  padding: 100px 0;
  background-color: var(--light-color);
}

.galeria-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.galeria-item {
  position: relative;
  height: 250px;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
}

.galeria-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.galeria-item:hover img {
  transform: scale(1.1);
}

.galeria-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.galeria-item:hover .galeria-overlay {
  opacity: 1;
}

.galeria-info {
  text-align: center;
  color: white;
  padding: 20px;
}

.galeria-info h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

/* Modal de Galería */
.galeria-modal {
  display: none;
  position: fixed;
  z-index: 2000;
  padding-top: 50px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.9);
}

.modal-content {
  margin: auto;
  display: block;
  max-width: 80%;
  max-height: 80%;
}

.modal-caption {
  margin: auto;
  display: block;
  width: 80%;
  max-width: 700px;
  text-align: center;
  color: white;
  padding: 10px 0;
  height: 150px;
}

.modal-close {
  position: absolute;
  top: 15px;
  right: 35px;
  color: #f1f1f1;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
}

.modal-prev,
.modal-next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  padding: 16px;
  margin-top: -50px;
  color: white;
  font-weight: bold;
  font-size: 30px;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
}

.modal-next {
  right: 0;
  border-radius: 3px 0 0 3px;
}

.modal-prev:hover,
.modal-next:hover {
  background-color: rgba(0, 0, 0, 0.8);
}

/* FAQs */
#faqs {
  padding: 100px 0;
}

.faqs-questions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.faqs-question {
  background: #fff;
  padding: 40px;
  border: 2px solid transparent;
  border-radius: 10px;
  overflow: hidden;
  transition: 0.3s ease all;
  cursor: pointer;
}

.faqs-question:hover {
  box-shadow: 0 0 13px 0 rgba(185, 185, 185, 0.25);
}

.faqs-question.activa {
  border: 2px solid var(--primary-color);
}

.question {
  font-weight: 700;
  font-size: 20px;
  line-height: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.question img {
  width: 14px;
  transition: 0.3s ease all;
}

.response {
  color: #808080;
  line-height: 30px;
  max-height: 0;
  opacity: 0;
  transition: 0.3s ease all;
}

.faqs-question.activa .response {
  opacity: 1;
  margin-top: 20px;
}

.faqs-question.activa img {
  transform: rotate(45deg);
}

/* Descargables */
#downloads {
  padding: 100px 0;
  background-color: var(--light-color);
}

.cards-downloads {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.buttons-content,
#cards-downloads {
  display: flex;
  justify-content: center;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 30px;
}

.filter-btn-download {
  padding: 8px 20px;
  background-color: transparent;
  border: 1px solid var(--border-color);
  border-radius: 30px;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

.filter-btn-download:hover {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* Footer */
footer {
  background-color: var(--dark-color);
  color: white;
  padding: 70px 0 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.footer-info h3,
.footer-links h3,
.footer-newsletter h3,
.footer-social h3 {
  font-size: 1.3rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-info h3::after,
.footer-links h3::after,
.footer-newsletter h3::after,
.footer-social h3::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: var(--primary-color);
}

.footer-info p {
  margin-bottom: 10px;
  display: flex;
  align-items: center;
}

.footer-info i {
  margin-right: 10px;
  color: var(--primary-color);
}

.footer-links ul li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #ddd;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-color);
  padding-left: 5px;
}

.footer-newsletter p {
  margin-bottom: 20px;
}

.footer-newsletter form {
  display: flex;
}

.footer-newsletter input {
  flex: 1;
  padding: 10px;
  border: none;
  border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.footer-newsletter button {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 0 15px;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  cursor: pointer;
}

.social-icons {
  display: flex;
  gap: 15px;
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: white;
  transition: var(--transition);
}

.social-icons a:hover {
  background-color: var(--primary-color);
  transform: translateY(-5px);
}

.footer-bottom {
  text-align: center;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Animaciones */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Comentarios Section */
#comentarios {
  padding: 100px 0;
  background-color: #fff;
}

.comentarios-existentes {
  margin-bottom: 60px;
}

.comentarios-existentes h3 {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 40px;
  color: var(--dark-color);
}

.comentarios-lista {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.comentario-card {
  background: white;
  border-radius: 15px;
  padding: 25px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary-color);
  transition: var(--transition);
  position: relative;
}

.comentario-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.comentario-header {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

.comentario-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--accent-color)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.2rem;
  margin-right: 15px;
}

.comentario-info h4 {
  margin: 0;
  color: var(--dark-color);
  font-size: 1.1rem;
}

.comentario-curso {
  font-size: 0.85rem;
  color: var(--gray-color);
  margin: 2px 0;
}

.comentario-fecha {
  font-size: 0.8rem;
  color: var(--gray-color);
}

.comentario-rating {
  margin-bottom: 15px;
}

.comentario-rating .stars {
  color: #ffc107;
  font-size: 1.1rem;
}

.comentario-texto {
  color: var(--dark-color);
  line-height: 1.6;
  font-style: italic;
  position: relative;
}

.comentario-texto::before {
  content: '"';
  font-size: 3rem;
  color: var(--primary-color);
  position: absolute;
  top: -10px;
  left: -10px;
  opacity: 0.3;
}

.nuevo-comentario {
  background: var(--light-color);
  border-radius: 15px;
  padding: 40px;
  margin-top: 50px;
}

.nuevo-comentario h3 {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 30px;
  color: var(--dark-color);
}

.comentario-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--dark-color);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(58, 110, 165, 0.1);
}

.rating-input {
  display: flex;
  flex-direction: row-reverse;
  justify-content: flex-end;
  gap: 5px;
}

.rating-input input[type="radio"] {
  display: none;
}

.rating-input .star {
  font-size: 2rem;
  color: #ddd;
  cursor: pointer;
  transition: var(--transition);
  width: auto;
  padding: 0;
  border: none;
  background: none;
}

.rating-input .star:hover,
.rating-input .star:hover ~ .star,
.rating-input input[type="radio"]:checked ~ .star {
  color: #ffc107;
}

.rating-input .star.hover {
  color: #ffc107;
}

.comentario-form button {
  width: 100%;
  padding: 15px;
  font-size: 1.1rem;
  margin-top: 10px;
}

/* Animación para nuevos comentarios */
.comentario-card.nuevo {
  animation: slideInUp 0.6s ease;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Mensaje de éxito */
.mensaje-exito {
  background: var(--success-color);
  color: white;
  padding: 15px;
  border-radius: var(--border-radius);
  text-align: center;
  margin-bottom: 20px;
  display: none;
}

.mensaje-exito.show {
  display: block;
  animation: fadeIn 0.5s ease;
}

/* Media Queries */
@media (max-width: 992px) {
  .nosotros-content {
    flex-direction: column;
  }

  .hero-content h1 {
    font-size: 2.8rem;
  }

  #cards-downloads {
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: white;
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    transition: var(--transition);
  }

  .nav-links.active {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }

  .nav-links li {
    margin: 15px 0;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .section-title {
    font-size: 2rem;
  }

  .cursos-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .nuevo-comentario {
    padding: 25px;
  }

  .comentarios-lista {
    grid-template-columns: 1fr;
  }

  .rating-input {
    justify-content: center;
  }

  #cards-downloads {
    gap: 30px;
  }
}

@media (max-width: 576px) {
  .hero-content h1 {
    font-size: 2rem;
  }

  .buttons-content,
  #cards-downloads {
    gap: 30px;
  }

  .footer-newsletter form {
    flex-direction: column;
  }

  .footer-newsletter input,
  .footer-newsletter button {
    width: 100%;
    border-radius: var(--border-radius);
    margin-bottom: 10px;
  }

  .galeria-container {
    grid-template-columns: 1fr;
  }
}

#maintenance-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: linear-gradient(180deg, rgba(4, 30, 72, 0.95), rgba(12, 46, 103, 0.95)), url("imgs/Academia Wolframio-banner.jpg") center/cover no-repeat;
  z-index: 9999;
  color: white;
}

body.maintenance-active {
  overflow: hidden;
}

.maintenance-content {
  max-width: 680px;
  width: 100%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 24px;
  padding: 40px 30px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  text-align: center;
  backdrop-filter: blur(15px);
}

.maintenance-logo {
  max-width: 200px;
  margin: 0 auto 30px;
  border-radius: 10px;
}

.maintenance-content h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  margin-bottom: 20px;
  line-height: 1.1;
}

.maintenance-content p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 12px;
}

.maintenance-subtitle {
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.75);
}

@media (max-width: 768px) {
  .maintenance-content {
    padding: 30px 20px;
  }

  .maintenance-content h1 {
    font-size: 2.2rem;
  }
}