/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-color: #1a365d;
    --secondary-color: #2d3748;
    --accent-color: #3182ce;
    --accent-light: #63b3ed;
    --success-color: #38a169;
    --warning-color: #d69e2e;
    --error-color: #e53e3e;
    --light-gray: #f7fafc;
    --gray: #e2e8f0;
    --dark-gray: #4a5568;
    --white: #ffffff;
         --black: #000000;
    
    /* Typography */
    --font-family: 'Roboto', sans-serif;
    --font-light: 300;
    --font-regular: 400;
    --font-medium: 500;
    --font-bold: 700;
    --font-black: 900;
    
    /* Spacing */
    --section-padding: 80px 0;
    --container-padding: 0 20px;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --box-shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--black);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-bold);
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

 p {
     margin-bottom: 1rem;
     font-weight: var(--font-regular);
     text-align: justify;
 }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: var(--font-medium);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    min-width: 120px;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--white);
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
}

.btn-secondary:hover {
    background-color: var(--accent-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* Header & Navigation */
 .header {
     position: fixed;
     top: 0;
     width: 100%;
     background-color: var(--black);
     box-shadow: var(--box-shadow);
     z-index: 1000;
     transition: var(--transition);
 }

 .header.scrolled {
     background-color: var(--black);
 }

.navbar {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

 .logo-text {
     font-size: 1.5rem;
     font-weight: var(--font-bold);
     color: var(--white);
 }

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

 .nav-link {
     text-decoration: none;
     color: var(--white);
     font-weight: var(--font-medium);
     transition: var(--transition);
     position: relative;
 }

.nav-link:hover {
    color: var(--accent-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.login-btn {
    background-color: var(--accent-color);
    color: var(--white) !important;
    padding: 8px 16px;
    border-radius: var(--border-radius);
}

.login-btn:hover {
    background-color: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    margin: 3px 0;
    transition: var(--transition);
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section */
 .hero {
     padding: 120px 0 80px;
     background: var(--black);
     color: var(--white);
     min-height: 100vh;
     display: flex;
     align-items: center;
 }

 .hero-container {
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 4rem;
     align-items: center;
     max-width: 1200px;
     margin: 0 auto;
     padding: var(--container-padding);
 }

 .hero-title {
     font-size: 3.5rem;
     font-weight: var(--font-black);
     margin-bottom: 0;
     line-height: 1.1;
     margin-top: 0.5rem;
 }

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: var(--font-light);
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

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

 .hero-logo {
     max-width: 100%;
     height: auto;
     filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
 }

 /* Logo Section */
 .logo-section {
     padding: 0;
     background-color: var(--black);
     text-align: center;
 }

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

 .main-logo {
     max-width: 100%;
     height: auto;
     filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
 }

/* Incubación Section */
.incubacion-section {
    background-color: var(--light-gray);
    padding: var(--section-padding);
    text-align: center;
}

 .incubacion-content h2 {
     color: var(--primary-color);
     margin-bottom: 1rem;
     text-align: center;
 }
 
 .incubacion-content p {
     text-align: center;
 }

.countdown {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    min-width: 100px;
}

.countdown-item span:first-child {
    font-size: 2.5rem;
    font-weight: var(--font-bold);
    color: var(--accent-color);
}

.countdown-label {
    font-size: 0.9rem;
    color: var(--dark-gray);
    text-transform: uppercase;
    font-weight: var(--font-medium);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

 .section-header p {
     font-size: 1.1rem;
     color: var(--dark-gray);
     max-width: 600px;
     margin: 0 auto;
     text-align: justify;
 }

/* Nosotros Section */
.nosotros {
    padding: var(--section-padding);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.stat-number {
    font-size: 3rem;
    font-weight: var(--font-black);
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--dark-gray);
    font-weight: var(--font-medium);
}

/* Servicios Section */
.servicios {
    padding: var(--section-padding);
    background-color: var(--light-gray);
}

.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.servicio-card {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.servicio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
}

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

.servicio-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 2rem;
}

.servicio-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

 .servicio-card p {
     color: var(--dark-gray);
     line-height: 1.6;
     text-align: justify;
 }

 /* Athena Lab Section */
 .athenalab {
     padding: var(--section-padding);
     background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
     color: var(--white);
     position: relative;
     overflow: hidden;
 }

 .athenalab::before {
     content: '';
     position: absolute;
     top: -50%;
     right: -50%;
     width: 100%;
     height: 100%;
     background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
     animation: float 20s infinite ease-in-out;
 }

 @keyframes float {
     0%, 100% { transform: translate(0, 0) rotate(0deg); }
     50% { transform: translate(-20px, 20px) rotate(5deg); }
 }

 .athenalab .section-header {
     position: relative;
     z-index: 1;
 }

 .lab-logo-header {
     display: flex;
     justify-content: center;
     margin-bottom: 2rem;
 }

 .lab-logo-title {
     max-width: 200px;
     height: auto;
     filter: brightness(0) invert(1);
 }

 .athenalab .section-header h2 {
     color: var(--white);
     text-align: center;
 }

 .athenalab .section-header p {
     color: rgba(255, 255, 255, 0.95);
     text-align: center;
 }

 .lab-intro {
     position: relative;
     z-index: 1;
     background-color: rgba(255, 255, 255, 0.1);
     backdrop-filter: blur(10px);
     border-radius: 16px;
     padding: 3rem;
     margin-bottom: 3rem;
     border: 1px solid rgba(255, 255, 255, 0.2);
 }

 .lab-intro-content h3 {
     color: var(--white);
     font-size: 2rem;
     margin-bottom: 1.5rem;
     text-align: center;
 }

 .lab-intro-content p {
     color: rgba(255, 255, 255, 0.95);
     font-size: 1.1rem;
     line-height: 1.8;
     margin-bottom: 2rem;
     text-align: justify;
 }

 .lab-features {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
     gap: 2rem;
     margin-top: 2rem;
 }

 .lab-feature-item {
     text-align: center;
     padding: 1.5rem;
     background-color: rgba(255, 255, 255, 0.1);
     border-radius: 12px;
     backdrop-filter: blur(5px);
     border: 1px solid rgba(255, 255, 255, 0.2);
     transition: transform 0.3s ease;
 }

 .lab-feature-item:hover {
     transform: translateY(-10px);
     background-color: rgba(255, 255, 255, 0.15);
 }

 .lab-feature-item i {
     font-size: 2.5rem;
     margin-bottom: 1rem;
     color: var(--white);
 }

 .lab-feature-item h4 {
     color: var(--white);
     margin-bottom: 0.5rem;
     font-size: 1.2rem;
 }

 .lab-feature-item p {
     color: rgba(255, 255, 255, 0.9);
     margin: 0;
     font-size: 0.9rem;
 }

 /* Team Section */
 .team-section {
     position: relative;
     z-index: 1;
     margin-bottom: 3rem;
 }

 .team-section h3 {
     color: var(--white);
     font-size: 2rem;
     text-align: center;
     margin-bottom: 3rem;
 }

 .team-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
     gap: 2rem;
 }

 .team-member {
     background-color: rgba(255, 255, 255, 0.95);
     border-radius: 16px;
     overflow: hidden;
     box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
     transition: transform 0.3s ease, box-shadow 0.3s ease;
 }

 .team-member:hover {
     transform: translateY(-10px);
     box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
 }

 .team-image {
     position: relative;
     overflow: hidden;
     height: 300px;
 }

 .team-image img {
     width: 100%;
     height: 100%;
     object-fit: cover;
     transition: transform 0.5s ease;
 }

 .team-member:hover .team-image img {
     transform: scale(1.1);
 }

 .team-overlay {
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background: linear-gradient(135deg, rgba(102, 126, 234, 0.9), rgba(118, 75, 162, 0.9));
     display: flex;
     justify-content: center;
     align-items: center;
     opacity: 0;
     transition: opacity 0.3s ease;
 }

 .team-member:hover .team-overlay {
     opacity: 1;
 }

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

 .team-social a {
     width: 45px;
     height: 45px;
     background-color: rgba(255, 255, 255, 0.2);
     border: 2px solid var(--white);
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     color: var(--white);
     font-size: 1.2rem;
     text-decoration: none;
     transition: all 0.3s ease;
     backdrop-filter: blur(5px);
 }

 .team-social a:hover {
     background-color: var(--white);
     color: #667eea;
     transform: scale(1.1);
 }

 .team-info {
     padding: 1.5rem;
     text-align: center;
 }

 .team-info h4 {
     color: #1a365d;
     margin-bottom: 0.5rem;
     font-size: 1.3rem;
     font-weight: 700;
 }

 .team-role {
     color: #667eea;
     font-weight: 600;
     margin-bottom: 1rem;
     font-size: 0.95rem;
     text-transform: uppercase;
     letter-spacing: 0.5px;
 }

 .team-description {
     color: #666;
     font-size: 0.9rem;
     line-height: 1.6;
     margin: 0;
 }

 /* Lab CTA */
 .lab-cta {
     position: relative;
     z-index: 1;
     text-align: center;
     background-color: rgba(255, 255, 255, 0.1);
     backdrop-filter: blur(10px);
     border-radius: 16px;
     padding: 3rem;
     border: 1px solid rgba(255, 255, 255, 0.2);
 }

 .lab-cta h3 {
     color: var(--white);
     font-size: 2rem;
     margin-bottom: 1rem;
 }

 .lab-cta p {
     color: rgba(255, 255, 255, 0.9);
     font-size: 1.1rem;
     margin-bottom: 2rem;
 }

 .btn-lab,
 .btn-lab-large {
     background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
     color: var(--white);
     border: none;
     font-weight: 700;
     text-transform: uppercase;
     letter-spacing: 1px;
     box-shadow: 0 4px 15px rgba(245, 87, 108, 0.4);
 }

 .btn-lab:hover,
 .btn-lab-large:hover {
     background: linear-gradient(135deg, #f5576c 0%, #f093fb 100%);
     transform: translateY(-3px);
     box-shadow: 0 8px 25px rgba(245, 87, 108, 0.6);
 }

 .btn-lab-large {
     padding: 15px 40px;
     font-size: 1.1rem;
 }

 /* Proyectos Section */
 .proyectos {
     padding: var(--section-padding);
 }

.proyectos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.proyecto-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.proyecto-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

 .proyecto-image {
     height: 200px;
     overflow: hidden;
     display: flex;
     align-items: center;
     justify-content: center;
     background-color: var(--light-gray);
 }
 
 .proyecto-image img {
     width: 100%;
     height: 100%;
     object-fit: contain;
     transition: var(--transition);
 }

.proyecto-card:hover .proyecto-image img {
    transform: scale(1.1);
}

.proyecto-content {
    padding: 1.5rem;
}

.proyecto-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

 .proyecto-content p {
     color: var(--dark-gray);
     margin-bottom: 1rem;
     text-align: justify;
 }

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: var(--font-medium);
    text-transform: uppercase;
}

.status-badge.active {
    background-color: var(--success-color);
    color: var(--white);
}

/* Testimonios Section */
.testimonios {
    padding: var(--section-padding);
    background-color: var(--light-gray);
}

.testimonio-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.testimonio-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    position: relative;
}

.testimonio-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: var(--accent-color);
    opacity: 0.3;
}

.testimonio-content {
    margin-bottom: 1.5rem;
}

 .testimonio-content p {
     font-style: italic;
     font-size: 1.1rem;
     color: var(--dark-gray);
     line-height: 1.6;
     text-align: justify;
 }

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

.author-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.author-info span {
    color: var(--dark-gray);
    font-size: 0.9rem;
}

/* Alianzas Section */
.alianzas {
    padding: var(--section-padding);
}

.alianzas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.alianza-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.alianza-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.alianza-logo {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.alianza-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.alianza-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

 .alianza-card p {
     color: var(--dark-gray);
     text-align: justify;
 }

/* Contacto Section */
.contacto {
    padding: var(--section-padding);
    background-color: var(--light-gray);
}

.contacto-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contacto-form {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.contacto-form h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: var(--font-medium);
    color: var(--primary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--gray);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

.contacto-info {
    padding: 2rem;
}

.contacto-info h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.contacto-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.contacto-item i {
    color: var(--accent-color);
    font-size: 1.2rem;
    width: 20px;
}

.contacto-mapa {
    margin-top: 2rem;
}

.contacto-mapa h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: var(--font-medium);
}

.mapa-container {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    background-color: var(--white);
}

.mapa-container iframe {
    display: block;
    width: 100%;
    height: 250px;
    border: none;
}

   /* Contact Form Section */
  .contact-form-section {
      padding: var(--section-padding);
      background-color: var(--light-gray);
  }

  .contact-form-container {
      max-width: 800px;
      margin: 0 auto;
  }

  .contact-form-main {
      background-color: var(--white);
      padding: 3rem;
      border-radius: var(--border-radius);
      box-shadow: var(--box-shadow);
  }

  .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.5rem;
      margin-bottom: 1.5rem;
  }

  .contact-form-main .form-group {
      margin-bottom: 1.5rem;
  }

  .contact-form-main .form-group label {
      display: block;
      margin-bottom: 0.5rem;
      font-weight: var(--font-medium);
      color: var(--primary-color);
  }

  .contact-form-main .form-group input,
  .contact-form-main .form-group select,
  .contact-form-main .form-group textarea {
      width: 100%;
      padding: 12px;
      border: 2px solid var(--gray);
      border-radius: var(--border-radius);
      font-family: var(--font-family);
      font-size: 1rem;
      transition: var(--transition);
  }

  .contact-form-main .form-group input:focus,
  .contact-form-main .form-group select:focus,
  .contact-form-main .form-group textarea:focus {
      outline: none;
      border-color: var(--accent-color);
      box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
  }

  .contact-form-main .btn {
      width: 100%;
      padding: 15px;
      font-size: 1.1rem;
      font-weight: var(--font-bold);
  }

  /* Footer */
  .footer {
      background-color: var(--black);
      color: var(--white);
      padding: 3rem 0 1rem;
  }

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 2rem;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-logo-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-light);
}

.footer-social {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

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

.social-link:hover {
    background-color: var(--accent-light);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--black);
        width: 100%;
        text-align: center;
        transition: left 0.3s ease;
        box-shadow: var(--box-shadow);
        padding: 2rem 0;
        gap: 0.5rem;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        width: 100%;
        padding: 0.5rem 0;
    }
    
    .nav-link {
        display: block;
        padding: 0.5rem 1rem;
    }
    
    .nav-link::after {
        display: none;
    }
    
    .login-btn {
        margin: 1rem auto;
        display: inline-block;
    }
    
         .hero-container {
         grid-template-columns: 1fr;
         text-align: center;
     }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .countdown {
        gap: 1rem;
    }
    
    .countdown-item {
        min-width: 80px;
        padding: 1rem;
    }
    
         .contacto-content {
         grid-template-columns: 1fr;
     }
     
     .mapa-container iframe {
         height: 200px;
     }
     
     .form-row {
         grid-template-columns: 1fr;
     }
     
     .contact-form-main {
         padding: 2rem;
     }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1rem;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
        min-width: auto;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }
    
    .servicios-grid,
    .proyectos-grid,
    .alianzas-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonio-slider {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .lab-intro {
        padding: 1.5rem;
    }
    
    .lab-cta {
        padding: 1.5rem;
    }
    
    .lab-features {
        grid-template-columns: 1fr;
    }
    
    .nav-container {
        padding: 1rem;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .section-header p {
        font-size: 1rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .stat-label {
        font-size: 1rem;
    }
    
    .countdown-item {
        min-width: 70px;
        padding: 0.8rem;
    }
    
    .countdown-item span:first-child {
        font-size: 2rem;
    }
    
    .servicio-card,
    .proyecto-card,
    .alianza-card {
        padding: 1.5rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.3rem; }
}