/* CSS Variables and Reset */
  :root {
    --primary-blue: #0066FF;
    --primary-dark: #0052CC;
    --secondary-mint: #00D4AA;
    --bg-light: #F8FAFB;
    --text-dark: #1A1F36;
    --text-gray: #6B7280;
    --white: #FFFFFF;
    --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00D4AA 100%);
    --gradient-subtle: linear-gradient(180deg, #F8FAFB 0%, #FFFFFF 100%);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 24px 48px rgba(0, 102, 255, 0.12);
  }

  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-dark);
    background: var(--bg-light);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
  }

  /* Background Pattern */
  .bg-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    pointer-events: none;
    background-image:
      repeating-linear-gradient(45deg, transparent, transparent 35px, var(--primary-blue) 35px, var(--primary-blue) 70px),
      repeating-linear-gradient(-45deg, transparent, transparent 35px, var(--secondary-mint) 35px, var(--secondary-mint) 70px);
    animation: float 20s ease-in-out infinite;
  }

  @keyframes float {

    0%,
    100% {
      transform: translate(0, 0) rotate(0deg);
    }

    33% {
      transform: translate(-10px, -10px) rotate(0.5deg);
    }

    66% {
      transform: translate(10px, -5px) rotate(-0.5deg);
    }
  }

  /* Container */
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
  }

  /* Header */
  header {
    padding: 32px 0;
    animation: slideDown 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }

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

  .logo img {
    height: 160px;
    width: auto;
  }

  /* Versión móvil del logo */
  @media (max-width: 480px) {
    .logo-wrapper {
      gap: 12px;
    }
  }

  /* Main Content */
  main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 0;
  }

  .content-wrapper {
    text-align: center;
    max-width: 600px;
    width: 100%;
  }

  /* Illustration */
  .illustration {
    width: 280px;
    height: 200px;
    margin: 0 auto 48px;
    position: relative;
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
  }

  .molecule {
    position: absolute;
    width: 100%;
    height: 100%;
    animation: rotate 20s linear infinite;
  }

  .molecule-dot {
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--gradient-primary);
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
  }

  .molecule-dot:nth-child(1) {
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
  }

  .molecule-dot:nth-child(2) {
    top: 40%;
    left: 20%;
  }

  .molecule-dot:nth-child(3) {
    top: 40%;
    right: 20%;
  }

  .molecule-dot:nth-child(4) {
    bottom: 30%;
    left: 35%;
  }

  .molecule-dot:nth-child(5) {
    bottom: 30%;
    right: 35%;
  }

  .molecule-line {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-blue), transparent);
    transform-origin: left center;
  }

  .molecule-line:nth-child(6) {
    top: 30%;
    left: 50%;
    width: 80px;
    transform: translateX(-50%) rotate(60deg);
  }

  .molecule-line:nth-child(7) {
    top: 30%;
    left: 50%;
    width: 80px;
    transform: translateX(-50%) rotate(-60deg);
  }

  .molecule-line:nth-child(8) {
    bottom: 40%;
    left: 35%;
    width: 60px;
    transform: rotate(30deg);
  }

  .molecule-line:nth-child(9) {
    bottom: 40%;
    right: 35%;
    width: 60px;
    transform: rotate(-30deg);
  }

  /* Heading */
  h1 {
    font-family: 'Sora', sans-serif;
    font-size: clamp(36px, 5vw, 48px);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    letter-spacing: -0.03em;
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both;
  }

  .subtitle {
    font-size: 18px;
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 48px;
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.4s both;
  }

  /* Progress Section */
  .progress-section {
    background: var(--white);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-md);
    margin-bottom: 40px;
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s both;
  }

  .progress-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
  }

  .progress-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  .progress-percentage {
    font-family: 'Sora', sans-serif;
    font-size: 20px;
    font-weight: 600;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-light);
    border-radius: 100px;
    overflow: hidden;
    position: relative;
  }

  .progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 100px;
    width: 0%;
    transition: width 2s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
  }

  .progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s linear infinite;
  }

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

    100% {
      transform: translateX(100%);
    }
  }

  /* Buttons */
  .button-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.6s both;
  }

  .btn {
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
  }

  .btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
  }

  .btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: width 0.6s, height 0.6s;
  }

  .btn-primary:hover::before {
    width: 300px;
    height: 300px;
  }

  .btn-secondary {
    background: var(--white);
    color: var(--text-dark);
    border: 2px solid var(--bg-light);
  }

  .btn-secondary:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: translateY(-2px);
  }

  .arrow-icon {
    transition: transform 0.3s;
  }

  .btn:hover .arrow-icon {
    transform: translateX(4px);
  }

  /* Contact */
  .contact-info {
    margin-top: 48px;
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.7s both;
  }

  .email-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-gray);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
  }

  .email-link:hover {
    color: var(--primary-blue);
  }

  .email-icon {
    width: 16px;
    height: 16px;
  }

  /* Footer */
  footer {
    padding: 32px 0;
    text-align: center;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    animation: fadeIn 1s ease-out 0.8s both;
  }

  .social-links {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 24px;
  }

  .social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--text-gray);
    transition: all 0.3s;
    box-shadow: var(--shadow-sm);
  }

  .social-link:hover {
    transform: translateY(-2px);
    color: var(--primary-blue);
    box-shadow: var(--shadow-md);
  }

  .copyright {
    font-size: 14px;
    color: var(--text-gray);
  }

  /* Animations */
  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-20px);
    }

    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes slideUp {
    from {
      opacity: 0;
      transform: translateY(20px);
    }

    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes fadeIn {
    from {
      opacity: 0;
    }

    to {
      opacity: 1;
    }
  }

  @keyframes rotate {
    from {
      transform: rotate(0deg);
    }

    to {
      transform: rotate(360deg);
    }
  }

  /* Responsive */
  @media (max-width: 640px) {
    .container {
      padding: 0 16px;
    }

    .illustration {
      width: 220px;
      height: 160px;
    }

    .progress-section {
      padding: 24px;
    }

    .button-group {
      flex-direction: column;
      width: 100%;
    }

    .btn {
      width: 100%;
      justify-content: center;
    }
  }