/* Reset y configuración base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: "Nunito Sans", system-ui, sans-serif;
    line-height: 1.6;
    color: #1d1d1f;
    background-color: #e0e1dd;
  }
  
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
  }
  
  /* Header */
  .header {
    background-color: #161e26;
    color: #e0e1dd;
    padding: 1rem 0;
    transition: transform 0.3s ease;
  }
  
  .header-content {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  
  .logo-image {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .logo-img {
    border-radius: 50%;
    transition: transform 0.3s ease;
  }
  
  .logo-img:hover {
    transform: scale(1.1);
  }
  
  .logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
  }
  
  /* Hero Section */
  .hero {
    padding: 5rem 0;
    text-align: center;
  }
  
  .hero-content {
    max-width: 1000px;
    margin: 0 auto;
  }
  
  .badge {
    display: inline-block;
    background-color: #161e26;
    color: #e0e1dd;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    transition: background-color 0.3s ease;
  }
  
  .badge:hover {
    background-color: #1d1d1f;
  }
  
  .hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
  }
  
  .highlight {
    color: #161e26;
  }
  
  .hero-description {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: rgba(29, 29, 31, 0.8);
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
  }
  
  /* Video Container */
  .video-container {
    width: 100%;
    max-width: 800px;
    margin: 2rem auto;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    position: relative;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
  }
  
  .hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 0.75rem;
    background-color: #161e26;
  }
  
  /* Animated Icons */
  .animated-icons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem auto;
    max-width: 600px;
    flex-wrap: wrap;
  }
  
  .icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0.5rem;
  }
  
  .icon-circle {
    background-color: #161e26;
    padding: 1rem;
    border-radius: 50%;
    margin-bottom: 0.5rem;
    width: 4rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.3s ease;
  }
  
  .icon {
    width: 2rem;
    height: 2rem;
    color: #778da9;
  }
  
  .icon-item span {
    font-size: 0.875rem;
    font-weight: 500;
    color: #161e26;
  }
  
  /* Animaciones */
  @keyframes floatIcon {
    0%,
    100% {
      transform: translateY(0);
    }
    50% {
      transform: translateY(-10px);
    }
  }
  
  .bounce-1 {
    animation: floatIcon 3s ease-in-out infinite;
  }
  
  .bounce-2 {
    animation: floatIcon 3s ease-in-out infinite 0.75s;
  }
  
  .bounce-3 {
    animation: floatIcon 3s ease-in-out infinite 1.5s;
  }
  
  .bounce-4 {
    animation: floatIcon 3s ease-in-out infinite 2.25s;
  }
  
  /* Button */
  .btn-primary {
    background-color: #161e26;
    color: #e0e1dd;
    padding: 1rem 2rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    text-decoration: none;
  }
  
  .btn-primary:hover {
    background-color: #1d1d1f;
    transform: translateY(-2px);
  }
  
  .arrow-icon {
    width: 1.25rem;
    height: 1.25rem;
  }
  
  .hero-cta {
    margin-top: 2rem;
  }
  
  /* Features Section */
  .features {
    padding: 5rem 0;
    background-color: white;
  }
  
  .section-header {
    text-align: center;
    margin-bottom: 4rem;
  }
  
  .section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #161e26;
    margin-bottom: 1rem;
  }
  
  .section-header p {
    font-size: 1.25rem;
    color: rgba(29, 29, 31, 0.7);
    max-width: 600px;
    margin: 0 auto;
  }
  
  .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
  }
  
  .feature-card {
    background: white;
    padding: 2rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(119, 141, 169, 0.2);
    transition: all 0.3s ease;
    text-align: center;
  }
  
  .feature-card:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
  }
  
  .feature-icon {
    width: 3rem;
    height: 3rem;
    color: #778da9;
    margin-bottom: 1rem;
  }
  
  .feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #161e26;
    margin-bottom: 1rem;
  }
  
  .feature-card p {
    color: rgba(29, 29, 31, 0.7);
  }
  
  /* Benefits Section */
  .benefits {
    padding: 5rem 0;
    background-color: #161e26;
    color: #e0e1dd;
  }
  
  .benefits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
  }
  
  .benefits-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
  }
  
  .benefit-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .check-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: #778da9;
    flex-shrink: 0;
    margin-top: 0.25rem;
  }
  
  .benefit-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
  }
  
  .benefit-item p {
    color: rgba(224, 225, 221, 0.8);
  }
  
  .target-audience {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
  
  .audience-card {
    background-color: rgba(119, 141, 169, 0.1);
    padding: 2rem;
    border-radius: 0.75rem;
    flex: 1;
  }
  
  .audience-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: left;
  }
  
  .audience-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  
  .audience-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }
  
  .audience-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: #778da9;
  }
  
  /* Academic Animation */
  .academic-animation {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto;
    flex-shrink: 0;
  }
  
  .floating-element {
    position: absolute;
    width: 40px;
    height: 40px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .floating-element svg {
    width: 24px;
    height: 24px;
  }
  
  .float-1 {
    top: 0;
    left: 50%;
    background-color: #778da9;
    color: white;
    animation: floatBounce 3s ease-in-out infinite;
    transform-origin: center;
  }
  
  .float-2 {
    top: -8px;
    right: -8px;
    background-color: #e0e1dd;
    color: #161e26;
    animation: floatBounce 3s ease-in-out infinite 0.5s;
    transform-origin: center;
  }
  
  .float-3 {
    bottom: -8px;
    left: -8px;
    background-color: rgba(119, 141, 169, 0.7);
    color: white;
    animation: floatBounce 3s ease-in-out infinite 1s;
    transform-origin: center;
  }
  
  .central-element {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background-color: rgba(119, 141, 169, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .central-element svg {
    width: 32px;
    height: 32px;
    color: #778da9;
  }
  
  @keyframes floatBounce {
    0%,
    100% {
      transform: translateX(-50%) translateY(0px) rotate(12deg);
    }
    50% {
      transform: translateX(-50%) translateY(-15px) rotate(12deg);
    }
  }
  
  .float-2 {
    animation-name: floatBounce2;
  }
  
  .float-3 {
    animation-name: floatBounce3;
  }
  
  @keyframes floatBounce2 {
    0%,
    100% {
      transform: translateY(0px) rotate(-12deg);
    }
    50% {
      transform: translateY(-15px) rotate(-12deg);
    }
  }
  
  @keyframes floatBounce3 {
    0%,
    100% {
      transform: translateY(0px) rotate(45deg);
    }
    50% {
      transform: translateY(-15px) rotate(45deg);
    }
  }
  
  @keyframes pulse {
    0%,
    100% {
      opacity: 1;
      transform: translate(-50%, -50%) scale(1);
    }
    50% {
      opacity: 0.8;
      transform: translate(-50%, -50%) scale(1.1);
    }
  }
  
  .pulse {
    animation: pulse 2s ease-in-out infinite;
  }
  
  /* How it Works Section */
  .how-it-works {
    padding: 5rem 0;
  }
  
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
  }
  
  .step {
    text-align: center;
  }
  
  .step-number {
    background-color: #161e26;
    color: #e0e1dd;
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
  }
  
  .step h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #161e26;
    margin-bottom: 1rem;
  }
  
  .step p {
    color: rgba(29, 29, 31, 0.7);
  }
  
  /* CTA Section */
  .cta {
    padding: 5rem 0;
    background-color: #778da9;
    text-align: center;
  }
  
  .cta-content {
    max-width: 800px;
    margin: 0 auto;
  }
  
  .cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #161e26;
    margin-bottom: 1rem;
  }
  
  .cta p {
    font-size: 1.25rem;
    color: #161e26;
  }
  
  /* Footer */
  .footer {
    background-color: #161e26;
    color: #e0e1dd;
    padding: 3rem 0 1rem;
  }
  
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
  }
  
  .footer-brand .logo {
    margin-bottom: 1rem;
  }
  
  .footer-brand p {
    color: rgba(224, 225, 221, 0.7);
  }
  
  .footer-column h4 {
    font-weight: 600;
    margin-bottom: 1rem;
  }
  
  .footer-column ul {
    list-style: none;
  }
  
  .footer-column li {
    margin-bottom: 0.5rem;
  }
  
  .footer-column a {
    color: rgba(224, 225, 221, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
  }
  
  .footer-column a:hover {
    color: #778da9;
  }
  
  .footer-bottom {
    border-top: 1px solid rgba(224, 225, 221, 0.2);
    padding-top: 2rem;
    text-align: center;
    color: rgba(224, 225, 221, 0.7);
  }
  
  /* Responsive Design */
  @media (max-width: 768px) {
    .animated-icons {
      justify-content: center;
    }
  
    .benefits-grid {
      grid-template-columns: 1fr;
      gap: 2rem;
    }
  
    .target-audience {
      flex-direction: column;
    }
  
    .academic-animation {
      display: none;
    }
  
    .footer-grid {
      grid-template-columns: 1fr;
      text-align: center;
    }
  
    .hero-title {
      font-size: 2.5rem;
    }
  
    .section-header h2 {
      font-size: 2rem;
    }
  
    .cta h2 {
      font-size: 2rem;
    }
  
    .benefits-content h2 {
      font-size: 2rem;
    }
  }
  
  @media (max-width: 480px) {
    .container {
      padding: 0 1rem;
    }
  
    .animated-icons {
      flex-direction: column;
      align-items: center;
    }
  
    .features-grid {
      grid-template-columns: 1fr;
    }
  
    .steps-grid {
      grid-template-columns: 1fr;
    }
  }
  
  /* Smooth scrolling */
  html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
  }
  
  /* Focus styles for accessibility */
  button:focus,
  a:focus {
    outline: 2px solid #778da9;
    outline-offset: 2px;
  }
  
  /* Reduced motion for accessibility */
  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
  }
  
  /* Animation states */
  .animate-in {
    animation: slideInUp 0.6s ease forwards;
  }
  
  @keyframes slideInUp {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .keyboard-navigation *:focus {
    outline: 2px solid #778da9 !important;
    outline-offset: 2px !important;
  }
  
  .loaded {
    overflow-x: hidden;
  }