/* 1. Variables de color */
:root {
  --musgo: #A8C6A1;
  --cielo: #BFDDE9;
  --arena: #EADBC8;
  --lavanda: #D8CCE3;
  --niebla: #F2F4F1;
  --rosa: #F6D9D5;
}

/* 2. Reset y tipografía */
html {
  scroll-behavior: smooth;
}
body {
  font-family: 'Quicksand', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--niebla);
  color: #111;
  margin: 0;
  padding: 0;
}

/* 3. Header */
header {
  position: sticky;
  top: 0;
  z-index: 30;
  background-color: rgba(242, 244, 241, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(168, 198, 161, 0.2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
}

/* 4. Navegación */
nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
  margin: 0;
  padding: 0;
}
nav a {
  text-decoration: none;
  color: #333;
}
nav a:hover {
  color: var(--musgo);
}

/* 5. Secciones generales */
section {
  padding: 4rem 1.5rem;
}
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

/* 6. Footer */
footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.875rem;
  background-color: #fafafa;
  border-top: 1px solid #eee;
  color: #666;
}

/* 7. Animaciones */
@keyframes fadeUp {
  0% {
    opacity: 0;
    transform: translateY(40px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-up {
  opacity: 0;
  animation: fadeUp 0.8s ease-out forwards;
}

/* 8. Carrusel logos */
@keyframes scrollX {
  0% { transform: translateX(0); }
  100% { transform: translateX(calc(-50% - 1.25rem)); }
}
.logos {
  overflow: hidden;
}
.logos-track {
  display: flex;
  gap: 2.5rem;
  width: max-content;
  animation: scrollX 40s linear infinite;
}
.logos:hover .logos-track {
  animation-play-state: paused;
}
.logos img {
  width: 100px;
  height: auto;
  flex-shrink: 0;
}

/* 9. Tarjetas */
.card {
  background-color: white;
  border-radius: 1.5rem;
  padding: 2rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow-y: auto;
  max-height: 400px;
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}
.card-title {
  font-size: 1.25rem;
  font-weight: bold;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--musgo);
}
.card-title.lavanda {
  color: var(--lavanda);
}
.card-title.rosa {
  color: var(--rosa);
}
.card p,
.card ul {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #333;
}

/* 10. Botones */
button,
.btn {
  background-color: var(--musgo);
  color: #fff;
  border: none;
  padding: 0.75rem 1.25rem;
  border-radius: 9999px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
button:hover,
.btn:hover {
  background-color: var(--arena);
}

/* 11. Formularios */
input,
textarea {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  font-family: inherit;
}
input:focus,
textarea:focus {
  border-color: var(--musgo);
  outline: none;
}

/* 12. Responsive básico */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    align-items: center;
    padding: 1rem;
  }
  nav ul {
    flex-direction: column;
    gap: 0.5rem;
  }
  section {
    padding: 2rem 1rem;
  }
}

/* 13. Tema oscuro */
@media (prefers-color-scheme: dark) {
  body {
    background: #111;
    color: #f0f0f0;
  }
  header,
  footer {
    background-color: #222;
    border-color: #444;
  }
  nav a {
    color: #ddd;
  }
  section {
    background-color: #333;
    color: #eee;
  }
}

/* 14. Accesibilidad */
:focus {
  outline: 2px solid var(--musgo);
  outline-offset: 2px;
}
/* 15. Imágenes responsivas */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

.slide {
  opacity: 0;
  position: absolute;
  transition: opacity 1s ease-in-out;
}
.slide.active {
  opacity: 1;
  position: relative;
  z-index: 1;
}

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

.animate-fadeInUp {
  animation: fadeInUp 0.8s ease forwards;
  opacity: 0;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

.article-hover:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 10px 20px rgba(255, 255, 255, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article-hover {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}