body {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      overflow-x: hidden;
    }
    
    * {
      box-sizing: border-box;
    }

    .container {
      width: 100%;
      height: 100%;
      min-height: 100%;
      position: relative;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    /* Header */
    .header {
      width: 100%;
      max-width: 1400px;
      padding: 1.5rem 5%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      position: relative;
      z-index: 100;
      margin: 0 auto;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .logo-icon {
      width: 3.5rem;
      height: 3.5rem;
    }

    .logo-text {
      font-size: 1.5rem;
      font-weight: 700;
      letter-spacing: -0.5px;
    }

    .nav {
      display: flex;
      gap: 0.5rem;
      align-items: center;
    }

    .nav-link {
      text-decoration: none;
      font-size: 0.95rem;
      font-weight: 600;
      transition: all 0.3s ease;
      padding: 0.75rem 1.5rem;
      border-radius: 0.75rem;
      position: relative;
      overflow: hidden;
      background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-link::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
      transition: left 0.5s ease;
    }

    .nav-link:hover::before {
      left: 100%;
    }

    .nav-link:hover {
      transform: translateY(-3px);
      box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
      background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.2));
      border-color: rgba(59, 130, 246, 0.4);
    }

    .menu-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      padding: 0.5rem;
      background: none;
      border: none;
      z-index: 101;
    }

    .menu-toggle span {
      width: 25px;
      height: 3px;
      background-color: currentColor;
      transition: all 0.3s ease;
      border-radius: 3px;
    }

    .menu-toggle.active span:nth-child(1) {
      transform: rotate(45deg) translate(8px, 8px);
    }

    .menu-toggle.active span:nth-child(2) {
      opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
      transform: rotate(-45deg) translate(7px, -7px);
    }

    /* Hero Section */
    .hero {
      width: 100%;
      max-width: 1400px;
      padding: 4rem 5% 6rem;
      text-align: center;
      position: relative;
      overflow: hidden;
      margin: 0 auto;
    }

    .stars-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: 0;
    }

    .star {
      position: absolute;
      border-radius: 50%;
      animation: twinkle 3s infinite;
      box-shadow: 0 0 2px currentColor;
    }

    @keyframes twinkle {
      0%, 100% { 
        opacity: 0.3; 
        transform: scale(1);
      }
      50% { 
        opacity: 0.6;
        transform: scale(1.15);
      }
    }

    .hero-content {
      position: relative;
      z-index: 1;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-title {
      font-size: 3.5rem;
      font-weight: 800;
      margin-bottom: 1.5rem;
      line-height: 1.2;
      letter-spacing: -1px;
    }

    .telescope-container {
      display: flex;
      justify-content: center;
      margin: 2rem 0;
    }

    .telescope-svg {
      width: 320px;
      height: 200px;
      filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.15));
      animation: telescopeGlow 3s ease-in-out infinite;
    }
    
    .laptop-svg {
      width: 120px;
      height: 100px;
      filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.1));
      animation: laptopGlow 3s ease-in-out infinite;
    }
    
    @keyframes laptopGlow {
      0%, 100% {
        filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.1));
        transform: translateY(0);
      }
      50% {
        filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.2));
        transform: translateY(-5px);
      }
    }

    @keyframes telescopeGlow {
      0%, 100% {
        filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.15));
        transform: translateY(0);
      }
      50% {
        filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.25));
        transform: translateY(-5px);
      }
    }

    .telescope-lens-glow {
      animation: lensGlow 2s ease-in-out infinite;
    }

    @keyframes lensGlow {
      0%, 100% {
        opacity: 0.5;
      }
      50% {
        opacity: 0.7;
      }
    }

    .hero-subtitle {
      font-size: 1.25rem;
      margin-bottom: 2.5rem;
      opacity: 0.9;
      line-height: 1.6;
    }

    .cta-button {
      padding: 1rem 2.5rem;
      font-size: 1.1rem;
      font-weight: 600;
      border: none;
      border-radius: 0.75rem;
      cursor: pointer;
      transition: all 0.3s ease;
      text-decoration: none;
      display: inline-block;
    }

    .cta-button:hover {
      transform: translateY(-3px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    }

    /* Features Grid */
    .features {
      width: 100%;
      max-width: 1400px;
      padding: 4rem 5%;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2rem;
      margin: 0 auto;
    }

    .feature-card {
      padding: 2.5rem;
      border-radius: 1.25rem;
      transition: all 0.3s ease;
      border: 2px solid transparent;
    }

    .feature-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    }

    .feature-icon {
      width: 4rem;
      height: 4rem;
      margin-bottom: 1.5rem;
      transition: all 0.3s ease;
    }

    .feature-card:hover .feature-icon {
      transform: scale(1.1);
    }

    .feature-title {
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 1rem;
      transition: all 0.3s ease;
    }

    .feature-description {
      font-size: 1rem;
      line-height: 1.6;
      opacity: 0.85;
    }

    /* Colores específicos para cada categoría */
    .astronomy-icon {
      color: #3b82f6;
    }

    .astronomy-title {
      color: #ffffff;
    }

    .science-icon {
      color: #10b981;
    }

    .science-title {
      color: #ffffff;
    }

    .tech-icon {
      color: #8b5cf6;
    }

    .tech-title {
      color: #ffffff;
    }

    .tools-icon {
      color: #f59e0b;
    }

    .tools-title {
      color: #ffffff;
    }

    /* Blog Section */
    .blog-section {
      width: 100%;
      max-width: 1400px;
      padding: 4rem 5%;
      margin: 0 auto;
    }

    .blog-header {
      text-align: center;
      margin-bottom: 3rem;
    }

    .blog-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 2rem;
    }

    .blog-card {
      border-radius: 1.25rem;
      overflow: hidden;
      transition: all 0.3s ease;
      cursor: pointer;
      border: 2px solid transparent;
    }

    .blog-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    }

    .blog-image {
      width: 100%;
      height: 200px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 4rem;
    }

    .blog-content {
      padding: 2rem;
    }

    .blog-category {
      font-size: 0.85rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 0.75rem;
      display: inline-block;
      padding: 0.25rem 0.75rem;
      border-radius: 0.5rem;
    }

    .blog-title {
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
      line-height: 1.3;
    }

    .blog-excerpt {
      font-size: 0.95rem;
      line-height: 1.6;
      opacity: 0.85;
      margin-bottom: 1rem;
    }

    .blog-meta {
      display: flex;
      gap: 1rem;
      font-size: 0.85rem;
      opacity: 0.7;
    }

    /* Tools Preview */
    .tools-preview {
      width: 100%;
      max-width: 1400px;
      padding: 4rem 5%;
      text-align: center;
      margin: 0 auto;
    }

    .tools-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 1.5rem;
      max-width: 1200px;
      margin: 3rem auto 0;
    }

    .tool-item {
      padding: 1.5rem;
      border-radius: 1rem;
      transition: all 0.3s ease;
      cursor: pointer;
      border: 2px solid transparent;
    }

    .tool-item:hover {
      transform: scale(1.05);
    }

    .tool-emoji {
      font-size: 2.5rem;
      margin-bottom: 0.75rem;
    }

    .tool-name {
      font-size: 1rem;
      font-weight: 600;
    }

    /* Footer */
    .footer {
      width: 100%;
      max-width: 1400px;
      padding: 4rem 5% 2rem;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      margin: 0 auto;
    }

    .footer-content {
      max-width: 1400px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 3rem;
      margin-bottom: 3rem;
    }

    .footer-section h4 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 1.5rem;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }

    .footer-link {
      text-decoration: none;
      font-size: 0.95rem;
      opacity: 0.8;
      transition: all 0.3s ease;
      display: inline-block;
    }

    .footer-link:hover {
      opacity: 1;
      transform: translateX(5px);
    }

    .footer-description {
      font-size: 0.95rem;
      line-height: 1.6;
      opacity: 0.8;
      margin-bottom: 1.5rem;
    }

    .social-links {
      display: flex;
      gap: 1rem;
    }

    .social-link {
      width: 2.5rem;
      height: 2.5rem;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      font-size: 1.2rem;
      transition: all 0.3s ease;
    }

    .social-link:hover {
      transform: translateY(-3px);
    }

    .footer-bottom {
      max-width: 1400px;
      margin: 0 auto;
      padding-top: 2rem;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      text-align: center;
      font-size: 0.9rem;
      opacity: 0.7;
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: flex;
      }

      .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100%;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 2rem;
        gap: 2rem;
        transition: right 0.3s ease;
        z-index: 99;
      }

      .nav.active {
        right: 0;
      }

      .nav-link {
        font-size: 1.2rem;
        padding: 1rem 1.5rem;
        width: 100%;
        text-align: center;
      }

      .hero-title {
        font-size: 2.5rem;
      }
      
      .hero-subtitle {
        font-size: 1.1rem;
      }
      
      .telescope-svg {
        width: 260px;
        height: 160px;
      }
      
      .laptop-svg {
        width: 100px;
        height: 85px;
      }
      
      .features {
        grid-template-columns: 1fr;
      }

      .logo-text {
        font-size: 1.2rem;
      }

      .logo-icon {
        width: 2.5rem;
        height: 2.5rem;
      }
    }