:root {
  --primary: #6C63FF;
  --primary-light: #a29bfe;
  --secondary: #FF6584;
  --accent: #42C6FF;
  --dark: #2D3748;
  --light: #F7FAFC;
  --text: #2D3748;
  --text-light: #718096;
  --bg: #FFFFFF;
  --bg-secondary: #F8F9FA;
  --font-main: 'Poppins', sans-serif;
  --font-heading: 'Comfortaa', cursive;
  --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  --radius: 16px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.12);
}

/* Hero Section Moderna */
.hero-section {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  padding: 4rem 2rem 2rem;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-text h1 {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero-text .subtitle {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 2.5rem;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
}

.cta-button {
  background-color: var(--primary);
  color: white;
  align-content: center;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  display: inline-block;
  box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}

.cta-button:hover {
  background-color: var(--primary-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.secondary-button {
  background-color: transparent;
  color: var(--primary);
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  display: inline-block;
  border: 2px solid var(--primary);
}

.secondary-button:hover {
  background-color: rgba(108, 99, 255, 0.1);
  transform: translateY(-3px);
}

.hero-image img {
  max-width: 100%;
  border-radius: var(--radius);
}

.wave-divider {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100px;
  color: var(--bg);
}

/* Benefits Section */
.benefits-section {
  padding: 6rem 2rem;
  background-color: var(--bg);
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 4rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: var(--dark);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.benefit-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow);
  border-top: 4px solid var(--primary);
}

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

.benefit-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: white;
  font-size: 1.5rem;
}

.benefit-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--dark);
}

.benefit-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

.benefit-bar {
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  width: 0;
  margin-top: 2rem;
  transition: width 0.6s ease;
}

.benefit-card:hover .benefit-bar {
  width: 100%;
}

/* Playlists Section */
.playlists-section {
  padding: 6rem 2rem;
  background-color: var(--bg-secondary);
}

.playlist-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.tab-button {
  padding: 0.8rem 1.5rem;
  border-radius: 50px;
  background-color: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tab-button.active {
  background-color: var(--primary);
  color: white;
}

.tab-button:hover:not(.active) {
  background-color: rgba(108, 99, 255, 0.1);
}

.playlist-content {
  display: none;
  max-width: 1200px;
  margin: 0 auto;
}

.playlist-content.active {
  display: block;
}

.playlist-card {
  background-color: var(--bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.playlist-info {
  padding: 2.5rem;
}

.playlist-info h3 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--dark);
  margin-bottom: 1rem;
}

.playlist-description {
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.playlist-stats {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  color: var(--text-light);
}

.playlist-stats i {
  margin-right: 0.5rem;
  color: var(--primary);
}

.play-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--primary);
  color: white;
  padding: 0.8rem 1.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.play-button:hover {
  background-color: var(--primary-light);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(108, 99, 255, 0.3);
}

.playlist-embed {
  height: 100%;
}

.playlist-embed iframe {
  width: 100%;
  height: 100%;
  min-height: 350px;
  border: none;
}

/* Science Section */
.science-section {
  padding: 6rem 2rem;
  background-color: var(--bg);
}

.science-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.science-image img {
  max-width: 100%;
  border-radius: var(--radius);
}

.fact-item {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.fact-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  min-width: 50px;
}

.fact-text h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--dark);
}

.fact-text p {
  color: var(--text-light);
  line-height: 1.7;
}

/* Testimonials Section */
.testimonials-section {
  padding: 6rem 2rem;
  background-color: var(--bg-secondary);
}

.testimonials-slider {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background-color: var(--bg);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.testimonial-content {
  position: relative;
}

.quote-icon {
  font-family: var(--font-heading);
  font-size: 4rem;
  color: var(--primary-light);
  opacity: 0.2;
  position: absolute;
  top: -1rem;
  left: -0.5rem;
}

.testimonial-text {
  font-size: 1.1rem;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  padding-top: 1.5rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-author img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-author h4 {
  font-size: 1.1rem;
  color: var(--dark);
  margin-bottom: 0.2rem;
}

.testimonial-author span {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* Animaciones */
.animate-pop-in {
  animation: popIn 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  opacity: 0;
}

@keyframes popIn {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
  100% {
    transform: translateY(0px);
  }
}

.pulse {
  animation: pulse 2s infinite;
}

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

/* Responsive */
@media (max-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text {
    margin-bottom: 3rem;
  }

  .hero-actions {
    justify-content: center;
  }

  .playlist-card {
    grid-template-columns: 1fr;
  }

  .science-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .science-image {
    order: -1;
  }
}

@media (max-width: 768px) {
  .hero-text h1 {
    font-size: 2.5rem;
  }

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

  .benefit-card {
    padding: 2rem 1.5rem;
  }

  .playlist-info {
    padding: 1.5rem;
  }
}}