/* ===== VARIABLES DE COLOR ===== */
:root {
  /* Colores principales proporcionados */
  --vino: #7a0b2e;
  --vino-oscuro: #590820;
  --beige: #f6e7c9;
  --beige-claro: #fff4e2;
  
  /* Colores complementarios */
  --vino-claro: #a83257;
  --vino-transparente: rgba(122, 11, 46, 0.9);
  --beige-oscuro: #e6d5b3;
  --oro: #d4af37;
  --oro-oscuro: #b8941f;
  
  /* Colores neutrales */
  --gris-oscuro: #333333;
  --gris-medio: #666666;
  --gris-claro: #f5f5f5;
  --gris-borde: #e0e0e0;
  --blanco: #ffffff;
  --negro: #000000;
  
  /* Sombras */
  --sombra-suave: 0 4px 12px rgba(0, 0, 0, 0.08);
  --sombra-media: 0 8px 24px rgba(0, 0, 0, 0.12);
  --sombra-fuerte: 0 12px 36px rgba(0, 0, 0, 0.15);
  
  /* Transiciones */
  --transicion-rapida: all 0.2s ease;
  --transicion-media: all 0.3s ease;
  --transicion-lenta: all 0.5s ease;
}

/* ===== RESET Y ESTILOS BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Merriweather', serif;
  line-height: 1.6;
  color: var(--gris-oscuro);
  background-color: var(--beige-claro);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  line-height: 1.3;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transicion-rapida);
}

ul {
  list-style: none;
}

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

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

/* Clases de utilidad */
.text-vino {
  color: var(--vino) !important;
}

.text-vino-oscuro {
  color: var(--vino-oscuro) !important;
}

.text-beige {
  color: var(--beige) !important;
}

.text-oro {
  color: var(--oro) !important;
}

.bg-vino {
  background-color: var(--vino) !important;
}

.bg-vino-oscuro {
  background-color: var(--vino-oscuro) !important;
}

.bg-beige {
  background-color: var(--beige) !important;
}

.bg-beige-claro {
  background-color: var(--beige-claro) !important;
}

/* ===== HEADER ===== */
.main-header {
  background-color: var(--vino);
  color: var(--beige-claro);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--sombra-media);
  padding: 15px 0;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-icon {
  display: flex;
  align-items: center;
  gap: 15px;
}

.logo-icon i {
  font-size: 2.5rem;
  color: var(--oro);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.logo-image {
  width: 50px;
  height: 50px;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.logo-text h1 {
  font-size: 2rem;
  color: var(--beige-claro);
  margin-bottom: 3px;
  letter-spacing: 1px;
}

.logo-text .tagline {
  font-size: 0.85rem;
  color: var(--beige);
  opacity: 0.9;
  font-weight: 300;
}

/* Navegación principal */
.main-nav {
  display: flex;
  align-items: center;
  gap: 25px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  font-size: 1rem;
  color: var(--beige-claro);
  padding: 8px 15px;
  border-radius: 30px;
  transition: var(--transicion-media);
}

.nav-link:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--beige);
}

.nav-link.active {
  background-color: var(--vino-oscuro);
  color: var(--beige);
}

.nav-link i {
  font-size: 1.1rem;
}

.login-btn {
  background: linear-gradient(135deg, var(--oro), var(--oro-oscuro));
  color: var(--vino-oscuro);
  padding: 10px 22px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--sombra-suave);
  transition: var(--transicion-media);
}

.login-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--sombra-media);
  color: var(--vino-oscuro);
}

.login-btn i {
  font-size: 1.1rem;
}

/* Botón menú móvil */
.mobile-menu-btn {
  display: none;
  background-color: var(--vino-oscuro);
  color: var(--beige-claro);
  width: 45px;
  height: 45px;
  border-radius: 50%;
  font-size: 1.3rem;
  cursor: pointer;
  transition: var(--transicion-media);
  box-shadow: var(--sombra-suave);
}

.mobile-menu-btn:hover {
  background-color: var(--vino);
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  padding: 0;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--beige-claro) 0%, var(--beige) 100%);
  z-index: -2;
}

.carousel-container {
  position: relative;
  height: 550px;
  border-radius: 0 0 20px 20px;
  overflow: hidden;
  box-shadow: var(--sombra-fuerte);
}

.carousel {
  height: 100%;
  width: 100%;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  height: 100%;
  width: 200%; /* Doble ancho para el efecto continuo */
  animation: slide 30s linear infinite;
}

.carousel-slide {
  position: relative;
  flex: 0 0 20%; /* 5 imágenes visibles a la vez */
  height: 100%;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;

}

@keyframes slide {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.hero-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  padding: 0 40px;
  z-index: 2;
}

.hero-text {
  max-width: 700px;
  color: var(--beige-claro);
}

.hero-title {
  font-size: 3.2rem;
  margin-bottom: 20px;
  color: var(--beige-claro);
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-title .highlight {
  color: var(--oro);
  font-weight: 700;
}

.hero-description {
  font-size: 1.3rem;
  margin-bottom: 35px;
  line-height: 1.6;
  opacity: 0.95;
}

.hero-description strong {
  color: var(--beige);
}

/* Barra de búsqueda */
.search-container {
  background-color: rgba(255, 255, 255, 0.95);
  border-radius: 15px;
  padding: 25px;
  box-shadow: var(--sombra-fuerte);
  backdrop-filter: blur(10px);
}

.search-box {
  display: flex;
  align-items: center;
  background-color: var(--blanco);
  border-radius: 10px;
  overflow: hidden;
  border: 2px solid var(--beige-oscuro);
  margin-bottom: 20px;
}

.search-icon {
  padding: 0 20px;
  color: var(--vino);
  font-size: 1.3rem;
}

.search-box input {
  flex: 1;
  padding: 18px 10px;
  font-size: 1.1rem;
  color: var(--gris-oscuro);
}

.search-box input::placeholder {
  color: var(--gris-medio);
  opacity: 0.8;
}

.search-btn {
  background-color: var(--vino);
  color: var(--beige-claro);
  padding: 18px 30px;
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transicion-media);
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-btn:hover {
  background-color: var(--vino-oscuro);
}

.search-examples {
  display: flex;
  align-items: center;
  gap: 15px;
}

.search-examples p {
  font-weight: 600;
  color: var(--vino);
  font-size: 0.95rem;
}

.examples-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tag {
  background-color: var(--beige);
  color: var(--vino);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transicion-rapida);
  border: 1px solid var(--beige-oscuro);
}

.tag:hover {
  background-color: var(--beige-oscuro);
}

/* ===== INSTRUCCIÓN ===== */
.instruction {
  background: linear-gradient(135deg, var(--vino) 0%, var(--vino-oscuro) 100%);
  color: var(--beige-claro);
  padding: 20px 0;
  margin: 30px 40px;
  border-radius: 15px;
  box-shadow: var(--sombra-media);
}

.instruction-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.instruction-icon i {
  font-size: 2rem;
  color: var(--oro);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(10px); }
}

.instruction-text {
  flex: 1;
  font-size: 1.2rem;
  font-weight: 500;
}

.instruction-text strong {
  color: var(--beige);
}

.instruction-arrow i {
  font-size: 1.5rem;
  color: var(--beige);
  opacity: 0.8;
}

/* ===== SECCIÓN BIBLIOTECAS ===== */
.libraries-section {
  padding: 80px 20px;
  background-color: var(--beige-claro);
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  position: relative;
  display: inline-block;
  margin-bottom: 20px;
}

.section-title h2 {
  font-size: 2.8rem;
  color: var(--vino-oscuro);
  margin-bottom: 10px;
}

.title-underline {
  width: 120px;
  height: 4px;
  background: linear-gradient(to right, var(--vino), var(--oro));
  margin: 0 auto;
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--gris-medio);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Grid de bibliotecas */
.libraries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

/* Tarjetas Flip */
.flip-card {
  height: 400px;
  perspective: 1200px;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--sombra-media);
  transition: var(--transicion-media);
}

.flip-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--sombra-fuerte);
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner,
.flip-card.hover .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-front, .flip-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 15px;
  overflow: hidden;
}

/* Lado frontal */
.flip-front {
  background-color: var(--blanco);
}

.card-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background-color: var(--vino);
  color: var(--beige-claro);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 5px;
  box-shadow: var(--sombra-suave);
}

.card-image {
  height: 60%;
  position: relative;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0) 50%);
}

.card-content {
  padding: 25px;
  height: 40%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-content h3 {
  font-size: 1.4rem;
  color: var(--vino-oscuro);
  margin-bottom: 10px;
  line-height: 1.4;
}

.card-location {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--vino);
  font-size: 0.95rem;
  margin-bottom: 15px;
}

.card-location i {
  color: var(--vino);
}

.card-stats {
  display: flex;
  justify-content: space-between;
  padding-top: 15px;
  border-top: 1px solid var(--gris-borde);
}

.stat {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--gris-medio);
  font-size: 0.9rem;
}

.stat i {
  color: var(--vino);
}

/* Lado trasero */
.flip-back {
  background: linear-gradient(135deg, var(--vino) 0%, var(--vino-oscuro) 100%);
  color: var(--beige-claro);
  transform: rotateY(180deg);
  padding: 25px;
  display: flex;
  flex-direction: column;
}

.back-header {
  margin-bottom: 20px;
}

.back-header h3 {
  font-size: 1.4rem;
  color: var(--beige-claro);
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.back-subtitle {
  color: var(--beige);
  font-size: 1rem;
  opacity: 0.9;
}

.back-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.back-details {
  flex: 1;
}

.detail-item {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 18px;
}

.detail-item i {
  font-size: 1.2rem;
  color: var(--oro);
  width: 25px;
}

.detail-label {
  font-size: 0.9rem;
  color: var(--beige);
  opacity: 0.8;
  margin-bottom: 3px;
}

.detail-value {
  font-size: 1rem;
  color: var(--beige-claro);
  font-weight: 500;
}

.back-actions {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.details-btn, .map-btn {
  flex: 1;
  padding: 12px 15px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transicion-media);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.details-btn {
  background-color: var(--beige-claro);
  color: var(--vino);
}

.details-btn:hover {
  background-color: var(--beige);
  transform: translateY(-3px);
}

.map-btn {
  background-color: transparent;
  color: var(--beige-claro);
  border: 2px solid var(--beige-claro);
}

.map-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
}

/* Footer de sección */
.section-footer {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--gris-borde);
}

.view-all-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--vino) 0%, var(--vino-oscuro) 100%);
  color: var(--beige-claro);
  padding: 15px 35px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 1.1rem;
  box-shadow: var(--sombra-media);
  transition: var(--transicion-media);
  margin-bottom: 20px;
}

.view-all-btn:hover {
  transform: translateY(-5px);
  box-shadow: var(--sombra-fuerte);
  color: var(--beige-claro);
}

.libraries-count {
  color: var(--gris-medio);
  font-size: 1rem;
}

/* ===== FAQ SECTION ===== */
.faq-section {
  padding: 80px 20px;
  background-color: var(--blanco);
  border-radius: 20px;
  margin: 0 40px 40px;
  box-shadow: var(--sombra-media);
}

.faq-container {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--beige-claro);
  border-radius: 15px;
  margin-bottom: 20px;
  overflow: hidden;
  border: 1px solid var(--beige-oscuro);
  transition: var(--transicion-media);
}

.faq-item.open {
  box-shadow: var(--sombra-media);
  border-color: var(--vino);
}

.faq-question {
  width: 100%;
  padding: 25px 30px;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.faq-icon {
  width: 50px;
  height: 50px;
  background-color: var(--vino);
  color: var(--beige-claro);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.faq-text {
  flex: 1;
  text-align: left;
}

.faq-text h3 {
  font-size: 1.3rem;
  color: var(--vino-oscuro);
  margin-bottom: 5px;
}

.faq-text p {
  color: var(--gris-medio);
  font-size: 0.95rem;
}

.faq-arrow i {
  font-size: 1.2rem;
  color: var(--vino);
  transition: var(--transicion-media);
}

.faq-item.open .faq-arrow i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 1000px;
  padding: 0 30px 30px;
}

.answer-content {
  padding-top: 20px;
  border-top: 1px solid var(--beige-oscuro);
}

.answer-content p {
  margin-bottom: 15px;
  color: var(--gris-oscuro);
  line-height: 1.7;
}

.answer-features {
  display: flex;
  gap: 20px;
  margin-top: 25px;
}

.feature {
  flex: 1;
  text-align: center;
  padding: 20px 15px;
  background-color: var(--blanco);
  border-radius: 10px;
  box-shadow: var(--sombra-suave);
}

.feature i {
  font-size: 2rem;
  color: var(--vino);
  margin-bottom: 10px;
}

.feature p {
  font-weight: 500;
  color: var(--vino-oscuro);
  margin-bottom: 0;
}

.search-example {
  margin-top: 25px;
  padding: 20px;
  background-color: var(--blanco);
  border-radius: 10px;
  box-shadow: var(--sombra-suave);
}

.search-example h4 {
  color: var(--vino);
  margin-bottom: 15px;
  font-size: 1.1rem;
}

.example-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
}

.example-item {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px;
  background-color: var(--beige-claro);
  border-radius: 8px;
  transition: var(--transicion-rapida);
}

.example-item:hover {
  background-color: var(--beige);
}

.example-icon {
  width: 40px;
  height: 40px;
  background-color: var(--vino);
  color: var(--beige-claro);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.example-title {
  font-weight: 600;
  color: var(--vino-oscuro);
  font-size: 0.95rem;
  margin-bottom: 3px;
}

.example-text {
  color: var(--gris-medio);
  font-size: 0.9rem;
  font-style: italic;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 15px;
  margin-top: 20px;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px;
  background-color: var(--blanco);
  border-radius: 8px;
  box-shadow: var(--sombra-suave);
}

.info-icon {
  width: 40px;
  height: 40px;
  background-color: var(--beige);
  color: var(--vino);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.info-label {
  font-weight: 500;
  color: var(--vino-oscuro);
  font-size: 0.95rem;
}

/* ===== CTA SECTION ===== */
.cta-section {
  padding: 80px 20px;
  background: linear-gradient(135deg, var(--vino) 0%, var(--vino-oscuro) 100%);
  color: var(--beige-claro);
  border-radius: 20px;
  margin: 0 40px 40px;
  box-shadow: var(--sombra-fuerte);
}

.cta-container {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 50px;
}

.cta-content {
  flex: 1;
}

.cta-content h2 {
  font-size: 2.5rem;
  color: var(--beige-claro);
  margin-bottom: 20px;
}

.cta-content p {
  font-size: 1.2rem;
  color: var(--beige);
  margin-bottom: 35px;
  line-height: 1.6;
}

.cta-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transicion-media);
  box-shadow: var(--sombra-media);
}

.cta-btn.primary {
  background-color: var(--beige-claro);
  color: var(--vino);
}

.cta-btn.primary:hover {
  background-color: var(--beige);
  transform: translateY(-5px);
  box-shadow: var(--sombra-fuerte);
  color: var(--vino-oscuro);
}

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

.cta-btn.secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-5px);
  box-shadow: var(--sombra-fuerte);
}

.cta-image {
  flex-shrink: 0;
}

.cta-image i {
  font-size: 8rem;
  color: var(--oro);
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
  animation: pulse 3s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ===== FOOTER ===== */
.main-footer {
  background-color: var(--vino-oscuro);
  color: var(--beige-claro);
  padding-top: 60px;
}

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

.footer-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 50px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  flex: 1;
  min-width: 300px;
}

.logo-footer {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
}

.logo-footer i {
  font-size: 2.5rem;
  color: var(--oro);
}

.logo-image-footer {
  width: 45px;
  height: 45px;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.logo-text h3 {
  font-size: 1.8rem;
  color: var(--beige-claro);
  margin-bottom: 5px;
}

.logo-text p {
  font-size: 0.9rem;
  color: var(--beige);
  opacity: 0.8;
}

.footer-description {
  color: var(--beige);
  opacity: 0.8;
  line-height: 1.6;
  margin-bottom: 25px;
  max-width: 350px;
}

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

.social-link {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--beige-claro);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transicion-media);
}

.social-link:hover {
  background-color: var(--vino);
  transform: translateY(-5px);
}

.footer-links {
  display: flex;
  gap: 60px;
  flex-wrap: wrap;
}

.footer-column {
  min-width: 180px;
}

.footer-column h4 {
  font-size: 1.2rem;
  color: var(--beige-claro);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-column h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--oro);
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-column a {
  color: var(--beige);
  opacity: 0.8;
  transition: var(--transicion-rapida);
  font-size: 0.95rem;
}

.footer-column a:hover {
  color: var(--beige-claro);
  opacity: 1;
  padding-left: 5px;
}

.contact-info li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 15px;
  color: var(--beige);
  opacity: 0.8;
  font-size: 0.95rem;
  line-height: 1.5;
}

.contact-info i {
  color: var(--oro);
  margin-top: 3px;
  font-size: 1rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  padding: 25px 0;
  gap: 20px;
}

.footer-copyright p {
  color: var(--beige);
  opacity: 0.7;
  font-size: 0.9rem;
}

.footer-copyright strong {
  color: var(--beige-claro);
  opacity: 1;
}

.footer-legal {
  display: flex;
  gap: 25px;
}

.footer-legal a {
  color: var(--beige);
  opacity: 0.7;
  font-size: 0.9rem;
  transition: var(--transicion-rapida);
}

.footer-legal a:hover {
  color: var(--beige-claro);
  opacity: 1;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .hero-title {
    font-size: 2.8rem;
  }
  
  .cta-container {
    flex-direction: column;
    text-align: center;
  }
  
  .cta-image i {
    font-size: 6rem;
  }
}

@media (max-width: 992px) {
  .main-nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--vino);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 30px 30px;
    box-shadow: var(--sombra-fuerte);
    transition: var(--transicion-media);
    z-index: 999;
    overflow-y: auto;
  }
  
  .main-nav.active {
    left: 0;
  }
  
  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
  }
  
  .nav-link {
    width: 100%;
    justify-content: flex-start;
    padding: 15px 20px;
    border-radius: 10px;
  }
  
  .login-btn {
    width: 100%;
    justify-content: center;
    margin-top: 20px;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-description {
    font-size: 1.1rem;
  }
  
  .search-box {
    flex-direction: column;
    border-radius: 10px;
    overflow: visible;
  }
  
  .search-icon {
    display: none;
  }
  
  .search-box input {
    padding: 20px;
    border-bottom: 1px solid var(--gris-borde);
  }
  
  .search-btn {
    padding: 20px;
    justify-content: center;
  }
  
  .search-examples {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .libraries-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
  
  .faq-section, .cta-section, .instruction {
    margin-left: 20px;
    margin-right: 20px;
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: 0 15px;
  }
  
  .logo-icon i {
    font-size: 2rem;
  }
  
  .logo-image {
    width: 40px;
    height: 40px;
  }
  
  .logo-text h1 {
    font-size: 1.7rem;
  }
  
  .hero-content {
    padding: 0 20px;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .carousel-container {
    height: 450px;
  }
  
  .instruction-content {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }
  
  .instruction-arrow {
    display: none;
  }
  
  .section-title h2 {
    font-size: 2.3rem;
  }
  
  .libraries-grid {
    grid-template-columns: 1fr;
  }
  
  .answer-features {
    flex-direction: column;
  }
  
  .cta-buttons {
    flex-direction: column;
  }
  
  .footer-top {
    flex-direction: column;
    gap: 40px;
  }
  
  .footer-links {
    width: 100%;
    justify-content: space-between;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-legal {
    justify-content: center;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 1.9rem;
  }
  
  .logo-image {
    width: 35px;
    height: 35px;
  }
  
  .logo-image-footer {
    width: 35px;
    height: 35px;
  }
  
  .logo-text h1 {
    font-size: 1.5rem;
  }
  
  .logo-text .tagline {
    font-size: 0.75rem;
  }
  
  .carousel-container {
    height: 400px;
  }
  
  .section-title h2 {
    font-size: 2rem;
  }
  
  .faq-section, .cta-section, .instruction {
    margin-left: 15px;
    margin-right: 15px;
    padding: 40px 20px;
  }
  
  .flip-card {
    height: 380px;
  }
  
  .faq-question {
    padding: 20px;
    flex-wrap: wrap;
  }
  
  .faq-icon {
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
  }
  
  .info-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
}

/* ===== PANTALLAS MUY PEQUEÑAS ===== */
@media (max-width: 360px) {
  .logo-image {
    width: 30px;
    height: 30px;
  }
  
  .logo-image-footer {
    width: 30px;
    height: 30px;
  }
  
  .logo-text h1 {
    font-size: 1.3rem;
  }
  
  .logo-text .tagline {
    font-size: 0.7rem;
  }
  
  .hero-title {
    font-size: 1.7rem;
  }
  
  .carousel-container {
    height: 350px;
  }
  
  .section-title h2 {
    font-size: 1.8rem;
  }
  
  .flip-card {
    height: 350px;
  }
  
  .faq-question {
    padding: 15px;
  }
  
  .hero-btn {
    padding: 14px 25px;
    font-size: 1rem;
  }
}
/* ===== HERO ACTIONS ===== */
.hero-actions {
  display: flex;
  gap: 20px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transicion-media);
  box-shadow: var(--sombra-media);
}

.hero-btn.primary {
  background: linear-gradient(135deg, var(--oro), var(--oro-oscuro));
  color: var(--vino-oscuro);
}

.hero-btn.primary:hover {
  transform: translateY(-5px);
  box-shadow: var(--sombra-fuerte);
}

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

.hero-btn.secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-5px);
  box-shadow: var(--sombra-fuerte);
}

/* ===== FAQ ADICIONAL ===== */
.availability-info {
  margin-top: 20px;
}

.availability-item {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 12px 15px;
  border-radius: 8px;
  margin-bottom: 10px;
}

.availability-item.available {
  background-color: rgba(46, 204, 113, 0.1);
  border-left: 4px solid #2ecc71;
}

.availability-item.limited {
  background-color: rgba(241, 196, 15, 0.1);
  border-left: 4px solid #f1c40f;
}

.availability-item.unavailable {
  background-color: rgba(231, 76, 60, 0.1);
  border-left: 4px solid #e74c3c;
}

.availability-item i {
  font-size: 1.2rem;
}

.availability-item.available i {
  color: #2ecc71;
}

.availability-item.limited i {
  color: #f1c40f;
}

.availability-item.unavailable i {
  color: #e74c3c;
}

.categories-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 15px;
}

.category {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 10px 15px;
  background-color: var(--beige-claro);
  border-radius: 8px;
  border-left: 4px solid var(--vino);
}

.category-code {
  background-color: var(--vino);
  color: var(--beige-claro);
  padding: 5px 10px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.9rem;
  min-width: 40px;
  text-align: center;
}

.category-name {
  font-weight: 500;
  color: var(--vino-oscuro);
}

.coverage-info {
  margin-top: 20px;
}

.coverage-info p {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  color: var(--vino-oscuro);
}

.coverage-info i {
  color: var(--vino);
}

.access-comparison {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.access-type {
  background-color: var(--beige-claro);
  padding: 20px;
  border-radius: 10px;
  box-shadow: var(--sombra-suave);
}

.access-type h4 {
  color: var(--vino);
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.access-type ul {
  margin-left: 0;
}

.access-type li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  color: var(--gris-medio);
}

.access-type i.fa-check {
  color: #27ae60;
  font-size: 0.9rem;
}