  /* ----- TIPOGRAFÍA PRINCIPAL ----- */
    @font-face {
      font-family: 'Lemon Milk';
      src: local('Lemon Milk Regular'), local('LemonMilk-Regular'),
           url('https://fonts.cdnfonts.com/s/14407/LEMONMILK-Regular.woff') format('woff');
      font-weight: 400;
      font-display: swap;
    }
    @font-face {
      font-family: 'Lemon Milk';
      src: local('Lemon Milk Light'), local('LemonMilk-Light'),
           url('https://fonts.cdnfonts.com/s/14407/LEMONMILK-Light.woff') format('woff');
      font-weight: 300;
      font-display: swap;
    }
    
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Roboto', 'Century Gothic', sans-serif;
      background-color: #ffffff;
      color: #333333;
      overflow-x: hidden;
    }
    
    h1, h2, h3, h4, .brand-font {
      font-family: 'Lemon Milk', 'Century Gothic', sans-serif;
      font-weight: 400;
      letter-spacing: 0.02em;
    }
    
    .brand-light {
      font-family: 'Lemon Milk', 'Century Gothic', sans-serif;
      font-weight: 300;
    }
    
    .text-petroleo { color: #005F60; }
    .bg-petroleo { background-color: #005F60; }
    .text-esmeralda { color: #2BAB89; }
    .bg-esmeralda { background-color: #2BAB89; }
    .text-marino { color: #143446; }
    .bg-marino { background-color: #143446; }
    .text-carbon { color: #333333; }
    .bg-soft-gray { background-color: #F2F2F2; }
    .bg-mint { background-color: #D2F2E6; }

    /* ----- BOTONES MEJORADOS CON MOVIMIENTO CONTINUO ----- */
    .btn-esmeralda {
      background: linear-gradient(135deg, #2BAB89 0%, #1a8a6e 100%);
      border: none;
      color: #fff;
      transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      font-weight: 700;
      box-shadow: 0 4px 15px rgba(43, 171, 137, 0.3);
      position: relative;
      overflow: hidden;
      animation: btnPulse 2.5s ease-in-out infinite;
    }
    
    @keyframes btnPulse {
      0%, 100% { box-shadow: 0 4px 15px rgba(43, 171, 137, 0.3); }
      50% { box-shadow: 0 4px 30px rgba(43, 171, 137, 0.5), 0 0 60px rgba(43, 171, 137, 0.1); }
    }
    
    .btn-esmeralda::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;
    }
    
    .btn-esmeralda:hover::before {
      left: 100%;
    }
    
    .btn-esmeralda:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 8px 30px rgba(43, 171, 137, 0.4);
      background: linear-gradient(135deg, #1a8a6e 0%, #005F60 100%);
      animation: none;
    }
    
    .btn-outline-esmeralda {
      border: 2px solid #2BAB89;
      color: #2BAB89;
      background: transparent;
      transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      font-weight: 700;
      position: relative;
      overflow: hidden;
    }
    
    .btn-outline-esmeralda::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(43, 171, 137, 0.1), transparent);
      transition: left 0.5s;
    }
    
    .btn-outline-esmeralda:hover::before {
      left: 100%;
    }
    
    .btn-outline-esmeralda:hover {
      background: #2BAB89;
      color: #fff;
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 8px 30px rgba(43, 171, 137, 0.3);
    }

    /* ----- NAVBAR MEJORADA ----- */
    .navbar {
      background: rgba(255,255,255,0.95);
      backdrop-filter: blur(10px);
      box-shadow: 0 2px 40px rgba(0,0,0,0.06);
      border-bottom: 1px solid rgba(0,95,96,0.05);
      transition: all 0.3s ease;
    }
    
    .navbar.scrolled {
      box-shadow: 0 4px 60px rgba(0,0,0,0.08);
    }
    
    .navbar .nav-link {
      font-weight: 600;
      color: #143446 !important;
      margin: 0 8px;
      transition: 0.3s;
      font-size: 0.95rem;
      letter-spacing: 0.3px;
      position: relative;
    }
    
    .navbar .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      width: 0;
      height: 2px;
      background: #2BAB89;
      transition: all 0.3s ease;
      transform: translateX(-50%);
    }
    
    .navbar .nav-link:hover::after,
    .navbar .nav-link.active::after {
      width: 80%;
    }
    
    .navbar .nav-link:hover {
      color: #2BAB89 !important;
    }
    
    .navbar .nav-link.active {
      color: #005F60 !important;
    }
    
    .btn-outline-nav {
      border: 1.5px solid #005F60;
      color: #005F60;
      border-radius: 50px;
      padding: 8px 24px;
      font-weight: 600;
      transition: 0.3s;
      background: transparent;
    }
    
    .btn-outline-nav:hover {
      background: #005F60;
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 4px 15px rgba(0,95,96,0.3);
    }

    .logo-img {
      width: 200px;
      max-width: 100%;
      height: auto;
      display: block;
      transition: transform 0.3s ease;
    }
    
    .logo-img:hover {
      transform: scale(1.05) rotate(-1deg);
    }

    /* ----- HERO 3D MEJORADO CON MÁS MOVIMIENTO ----- */
    .hero-3d {
      position: relative;
      min-height: 100vh;
      display: flex;
      align-items: center;
      background: linear-gradient(145deg, #f8fbfa 0%, #e6f4ef 100%);
      overflow: hidden;
    }

    /* ANIMACIÓN DE IZQUIERDA A CENTRO para el contenido principal */
    .hero-content .row {
      animation: slideInLeftToCenter 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
      opacity: 0;
      transform: translateX(-60px);
    }

    @keyframes slideInLeftToCenter {
      0% {
        opacity: 0;
        transform: translateX(-80px) scale(0.98);
      }
      60% {
        opacity: 1;
        transform: translateX(10px) scale(1.01);
      }
      100% {
        opacity: 1;
        transform: translateX(0) scale(1);
      }
    }

    /* Retraso para elementos internos (badge, título, etc.) */
    .hero-content .hero-badge {
      animation: fadeInUp 0.8s ease-out 0.3s both, badgeFloat 3s ease-in-out infinite 1s;
    }

    .hero-content .hero-title {
      animation: fadeInUp 0.8s ease-out 0.5s both, titleFloat 4s ease-in-out infinite 1.2s;
    }

    .hero-content .hero-sub {
      animation: fadeInUp 0.8s ease-out 0.7s both, subPulse 3s ease-in-out infinite 1.5s;
    }

    .hero-content .d-flex.gap-3 {
      animation: fadeInUp 0.8s ease-out 0.9s both;
    }

    .hero-content .hero-stats {
      animation: fadeInUp 0.8s ease-out 1.1s both;
    }
    
    /* Fondo animado con partículas */
    .hero-particles {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: 0;
      overflow: hidden;
    }
    
    .particle {
      position: absolute;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(43, 171, 137, 0.15), rgba(0, 95, 96, 0.05));
      animation: floatParticle 20s infinite linear;
    }
    
    .particle:nth-child(1) { width: 300px; height: 300px; top: -50px; right: -50px; animation-delay: 0s; }
    .particle:nth-child(2) { width: 200px; height: 200px; bottom: -30px; left: -30px; animation-delay: -5s; }
    .particle:nth-child(3) { width: 150px; height: 150px; top: 50%; right: 10%; animation-delay: -10s; }
    .particle:nth-child(4) { width: 100px; height: 100px; bottom: 20%; left: 20%; animation-delay: -15s; }
    .particle:nth-child(5) { width: 80px; height: 80px; top: 10%; left: 40%; animation-delay: -7s; }
    .particle:nth-child(6) { width: 120px; height: 120px; bottom: 40%; right: 30%; animation-delay: -12s; }
    
    @keyframes floatParticle {
      0% { transform: translate(0, 0) rotate(0deg) scale(1); }
      25% { transform: translate(30px, -20px) rotate(90deg) scale(1.1); }
      50% { transform: translate(-10px, 30px) rotate(180deg) scale(0.9); }
      75% { transform: translate(20px, -10px) rotate(270deg) scale(1.05); }
      100% { transform: translate(0, 0) rotate(360deg) scale(1); }
    }

    /* Círculo decorativo 3D con movimiento */
    .hero-circle-3d {
      position: absolute;
      width: 600px;
      height: 600px;
      border-radius: 50%;
      background: linear-gradient(135deg, rgba(43, 171, 137, 0.08), rgba(0, 95, 96, 0.05));
      top: 50%;
      right: -100px;
      transform: translateY(-50%);
      z-index: 0;
      animation: pulseCircle 8s ease-in-out infinite;
    }
    
    @keyframes pulseCircle {
      0%, 100% { transform: translateY(-50%) scale(1) rotate(0deg); opacity: 0.5; }
      50% { transform: translateY(-50%) scale(1.1) rotate(10deg); opacity: 0.8; }
    }

    .hero-content {
      position: relative;
      z-index: 1;
      padding: 6rem 0;
    }
    
    .hero-title {
      font-size: clamp(3rem, 5vw, 5.5rem);
      line-height: 1.05;
      color: #005F60;
      text-shadow: 0 10px 40px rgba(0,95,96,0.06);
      min-height: 1.2em;
    }
    
    @keyframes titleFloat {
      0%, 100% { transform: translateY(0px); }
      50% { transform: translateY(-8px); }
    }
    
    .hero-title .highlight {
      background: linear-gradient(135deg, #2BAB89, #005F60);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      animation: shimmer 3s ease-in-out infinite;
    }
    
    @keyframes shimmer {
      0%, 100% { background-size: 200% 200%; background-position: left center; }
      50% { background-position: right center; }
    }

    /* El contenedor del título debe tener display inline */
    .hero-title .typewriter-container {
      display: inline;
    }
    
    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(40px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    .hero-sub {
      font-size: 1.4rem;
      color: #143446;
      font-weight: 300;
      max-width: 600px;
      border-left: 4px solid #2BAB89;
      padding-left: 1.5rem;
    }
    
    @keyframes subPulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.7; }
    }
    
    .hero-badge {
      background: rgba(43,171,137,0.12);
      backdrop-filter: blur(8px);
      border-radius: 60px;
      padding: 10px 28px;
      display: inline-block;
      color: #005F60;
      font-weight: 600;
      letter-spacing: 0.5px;
      border: 1px solid rgba(43,171,137,0.2);
    }
    
    @keyframes badgeFloat {
      0%, 100% { transform: translateY(0px); }
      50% { transform: translateY(-5px); }
    }
    
    /* Estadísticas flotantes */
    .hero-stats {
      animation: fadeInUp 1s ease-out 0.4s both;
    }
    
    .stat-item {
      background: rgba(255,255,255,0.8);
      backdrop-filter: blur(10px);
      padding: 12px 24px;
      border-radius: 60px;
      border: 1px solid rgba(43,171,137,0.1);
      transition: all 0.3s ease;
      animation: statFloat 4s ease-in-out infinite;
    }
    
    .stat-item:nth-child(1) { animation-delay: 0s; }
    .stat-item:nth-child(2) { animation-delay: 1.3s; }
    .stat-item:nth-child(3) { animation-delay: 2.6s; }
    
    @keyframes statFloat {
      0%, 100% { transform: translateY(0px); }
      50% { transform: translateY(-8px); }
    }
    
    .stat-item:hover {
      transform: translateY(-3px) scale(1.03);
      box-shadow: 0 8px 30px rgba(43, 171, 137, 0.15);
      border-color: rgba(43,171,137,0.3);
      animation-play-state: paused;
    }
    
    .stat-number {
      font-family: 'Lemon Milk', sans-serif;
      font-size: 1.5rem;
      color: #005F60;
    }

    /* Video 3D flotante mejorado */
    .video-card-3d {
      background: linear-gradient(145deg, #143446, #1a4055);
      border-radius: 40px;
      padding: 2.5rem;
      color: white;
      box-shadow: 0 40px 80px -20px rgba(0,0,0,0.4);
      position: relative;
      overflow: hidden;
      animation: floatY 6s ease-in-out infinite;
      transform-style: preserve-3d;
      perspective: 1000px;
    }
    
    .video-card-3d::before {
      content: '';
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: radial-gradient(circle at 30% 30%, rgba(43, 171, 137, 0.1), transparent 60%);
      animation: rotateGlow 20s linear infinite;
    }
    
    @keyframes rotateGlow {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }
    
    .video-card-3d .play-button {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      background: linear-gradient(135deg, #2BAB89, #005F60);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2.5rem;
      color: white;
      transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      cursor: pointer;
      position: relative;
      z-index: 1;
    }
    
    .video-card-3d .play-button:hover {
      transform: scale(1.15) rotate(5deg);
      box-shadow: 0 0 60px rgba(43, 171, 137, 0.4);
    }
    
    .video-card-3d .play-button::after {
      content: '';
      position: absolute;
      width: 100%;
      height: 100%;
      border-radius: 50%;
      border: 2px solid rgba(43, 171, 137, 0.3);
      animation: ripple 2s infinite;
    }
    
    @keyframes ripple {
      0% { transform: scale(1); opacity: 1; }
      100% { transform: scale(1.5); opacity: 0; }
    }
    
    @keyframes floatY {
      0%, 100% { transform: translateY(0px) rotateX(2deg) rotateY(-2deg); }
      50% { transform: translateY(-15px) rotateX(-2deg) rotateY(2deg); }
    }
    
    /* Progress bar animada */
    .progress-bar-animated {
      height: 6px;
      background: rgba(255,255,255,0.15);
      border-radius: 10px;
      overflow: hidden;
      position: relative;
    }
    
    .progress-bar-animated .fill {
      height: 100%;
      background: linear-gradient(90deg, #2BAB89, #005F60);
      border-radius: 10px;
      width: 0%;
      animation: fillProgress 2s ease-out 1s forwards;
    }
    
    @keyframes fillProgress {
      from { width: 0%; }
      to { width: 68%; }
    }

    /* ----- CARD MISIÓN CON ANIMACIÓN ----- */
    .card-mision {
      background: white;
      padding: 2rem 1.5rem;
      border-radius: 30px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.02);
      transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      border: 1px solid rgba(43,171,137,0.05);
      position: relative;
      overflow: hidden;
    }
    
    .card-mision::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 5px;
      background: linear-gradient(90deg, #2BAB89, #005F60);
      transform: scaleX(0);
      transition: transform 0.5s ease;
      transform-origin: left;
    }
    
    .card-mision:hover::before {
      transform: scaleX(1);
    }
    
    .card-mision:hover {
      transform: translateY(-10px) scale(1.02);
      box-shadow: 0 20px 60px rgba(43, 171, 137, 0.1);
      border-color: rgba(43,171,137,0.2);
    }
    
    .card-mision i {
      transition: all 0.5s ease;
      display: inline-block;
      animation: iconFloat 3s ease-in-out infinite;
    }
    
    .card-mision:nth-child(1) i { animation-delay: 0s; }
    .card-mision:nth-child(2) i { animation-delay: 1s; }
    .card-mision:nth-child(3) i { animation-delay: 2s; }
    
    @keyframes iconFloat {
      0%, 100% { transform: translateY(0px) rotate(0deg); }
      50% { transform: translateY(-8px) rotate(5deg); }
    }
    
    .card-mision:hover i {
      animation: none;
      transform: rotate(10deg) scale(1.1);
    }

    /* ----- VALUE ICONS CON ANIMACIÓN ----- */
    .value-icon {
      display: inline-block;
      font-size: 2.2rem;
      transition: all 0.4s ease;
      color: #005F60;
      animation: valueFloat 3s ease-in-out infinite;
    }
    
    .value-icon:nth-child(1) { animation-delay: 0s; }
    .value-icon:nth-child(2) { animation-delay: 0.7s; }
    .value-icon:nth-child(3) { animation-delay: 1.4s; }
    .value-icon:nth-child(4) { animation-delay: 2.1s; }
    
    @keyframes valueFloat {
      0%, 100% { transform: translateY(0px) scale(1); }
      50% { transform: translateY(-8px) scale(1.05); }
    }
    
    .value-icon:hover {
      transform: translateY(-5px) scale(1.1);
      color: #2BAB89;
      animation: none;
    }

    /* ----- CARD CURSOS 3D HOVER CON MOVIMIENTO ----- */
    .card-3d-hover {
      background: white;
      border: none;
      transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      box-shadow: 0 4px 20px rgba(0,0,0,0.02);
      position: relative;
      overflow: hidden;
    }
    
    .card-3d-hover::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(135deg, rgba(43,171,137,0.03), rgba(0,95,96,0.03));
      opacity: 0;
      transition: opacity 0.5s ease;
    }
    
    .card-3d-hover:hover::after {
      opacity: 1;
    }
    
    .card-3d-hover:hover {
      transform: translateY(-8px) scale(1.02);
      box-shadow: 0 20px 60px rgba(43, 171, 137, 0.08);
    }
    
    .card-3d-hover i {
      transition: all 0.4s ease;
      display: inline-block;
      animation: courseIconFloat 4s ease-in-out infinite;
    }
    
    .card-3d-hover:nth-child(1) i { animation-delay: 0s; }
    .card-3d-hover:nth-child(2) i { animation-delay: 1.3s; }
    .card-3d-hover:nth-child(3) i { animation-delay: 2.6s; }
    
    @keyframes courseIconFloat {
      0%, 100% { transform: translateY(0px) rotate(0deg); }
      50% { transform: translateY(-6px) rotate(-3deg); }
    }
    
    .card-3d-hover:hover i {
      animation: none;
      transform: scale(1.1) rotate(-5deg);
    }

    /* ----- FORMULARIO CON MOVIMIENTO ----- */
    .form-control {
      transition: all 0.3s ease;
    }
    
    .form-control:focus {
      border-color: #2BAB89;
      box-shadow: 0 0 0 0.2rem rgba(43,171,137,0.15);
      transform: scale(1.01);
    }

    /* ----- SECCIÓN NOSOTROS CON MOVIMIENTO ----- */
    .bg-mint {
      transition: transform 0.6s ease, box-shadow 0.6s ease;
    }
    
    .bg-mint:hover {
      transform: perspective(800px) rotateX(0deg) scale(1.01);
      box-shadow: 0 20px 60px rgba(43, 171, 137, 0.08);
    }

    /* ----- BADGES CON MOVIMIENTO ----- */
    .badge {
      transition: all 0.3s ease;
    }
    
    .badge:hover {
      transform: scale(1.05);
    }

    /* ----- FOOTER MEJORADO ----- */
    .footer {
      background: #0d2a36;
      color: rgba(255,255,255,0.8);
      border-top: 4px solid #2BAB89;
      position: relative;
      overflow: hidden;
    }

    .footer::before {
      content: '';
      position: absolute;
      top: -50px;
      left: -50%;
      width: 200%;
      height: 100px;
      background: radial-gradient(ellipse at center, rgba(43,171,137,0.15) 0%, transparent 70%);
      animation: footerGlow 8s ease-in-out infinite alternate;
    }

    @keyframes footerGlow {
      0% { transform: translateX(-10%) scale(1); opacity: 0.6; }
      100% { transform: translateX(10%) scale(1.2); opacity: 1; }
    }

    .footer .footer-brand {
      font-family: 'Lemon Milk', sans-serif;
      font-size: 1.8rem;
      color: #fff;
      letter-spacing: 1px;
    }

    .footer .footer-brand span {
      color: #2BAB89;
    }

    .footer .social-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: rgba(255,255,255,0.06);
      color: #fff;
      transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      border: 1px solid rgba(255,255,255,0.04);
      text-decoration: none;
      font-size: 1.3rem;
      position: relative;
      overflow: hidden;
    }

    .footer .social-link::before {
      content: '';
      position: absolute;
      inset: 0;
      border-radius: 50%;
      background: linear-gradient(135deg, #2BAB89, #005F60);
      opacity: 0;
      transition: opacity 0.4s ease;
    }

    .footer .social-link:hover {
      transform: translateY(-5px) scale(1.1);
      border-color: transparent;
      box-shadow: 0 8px 30px rgba(43, 171, 137, 0.3);
    }

    .footer .social-link:hover::before {
      opacity: 1;
    }

    .footer .social-link i {
      position: relative;
      z-index: 1;
      transition: transform 0.3s ease;
    }

    .footer .social-link:hover i {
      transform: scale(1.1);
    }

    .footer .footer-heading {
      color: #fff;
      font-size: 1.1rem;
      font-weight: 700;
      letter-spacing: 0.5px;
      margin-bottom: 1.2rem;
      position: relative;
      padding-bottom: 0.6rem;
    }

    .footer .footer-heading::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 40px;
      height: 3px;
      background: linear-gradient(90deg, #2BAB89, #005F60);
      border-radius: 4px;
      transition: width 0.4s ease;
    }

    .footer .footer-heading:hover::after {
      width: 70px;
    }

    .footer .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .footer .footer-links li {
      margin-bottom: 0.6rem;
    }

    .footer .footer-links a {
      color: rgba(255,255,255,0.7);
      text-decoration: none;
      transition: all 0.3s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.95rem;
    }

    .footer .footer-links a i {
      font-size: 0.7rem;
      color: #2BAB89;
      transition: transform 0.3s ease;
    }

    .footer .footer-links a:hover {
      color: #fff;
      transform: translateX(8px);
    }

    .footer .footer-links a:hover i {
      transform: translateX(4px) scale(1.2);
    }

    .footer .footer-contact li {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 0.8rem;
      color: rgba(255,255,255,0.75);
      font-size: 0.95rem;
      transition: all 0.3s ease;
    }

    .footer .footer-contact li:hover {
      color: #fff;
      transform: translateX(4px);
    }

    .footer .footer-contact li i {
      width: 24px;
      color: #2BAB89;
      font-size: 1.1rem;
      transition: transform 0.3s ease;
    }

    .footer .footer-contact li:hover i {
      transform: scale(1.2);
    }

    .footer .footer-divider {
      border-color: rgba(255,255,255,0.06);
      margin: 1.5rem 0;
    }

    .footer .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
    }

    .footer .footer-bottom p {
      margin: 0;
      font-size: 0.9rem;
      opacity: 0.7;
    }

    .footer .footer-bottom .developer-credit a {
      color: #2BAB89;
      text-decoration: none;
      font-weight: 600;
      transition: all 0.3s ease;
      position: relative;
    }

    .footer .footer-bottom .developer-credit a::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 0;
      height: 2px;
      background: #2BAB89;
      transition: width 0.3s ease;
    }

    .footer .footer-bottom .developer-credit a:hover::after {
      width: 100%;
    }

    .footer .footer-bottom .developer-credit a:hover {
      color: #fff;
    }

    .footer .footer-bottom .footer-legal {
      display: flex;
      gap: 1.5rem;
    }

    .footer .footer-bottom .footer-legal a {
      color: rgba(255,255,255,0.5);
      text-decoration: none;
      font-size: 0.85rem;
      transition: color 0.3s ease;
    }

    .footer .footer-bottom .footer-legal a:hover {
      color: #2BAB89;
    }

    /* ----- BOTÓN SUBIR (SCROLL TOP) ----- */
    .scroll-top-btn {
      position: fixed;
      bottom: 90px;
      right: 25px;
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: linear-gradient(135deg, #2BAB89, #005F60);
      color: #fff;
      border: none;
      box-shadow: 0 4px 20px rgba(43, 171, 137, 0.4);
      font-size: 1.8rem;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      z-index: 999;
      cursor: pointer;
      text-decoration: none;
    }

    .scroll-top-btn.visible {
      opacity: 1;
      visibility: visible;
    }

    .scroll-top-btn:hover {
      transform: translateY(-5px) scale(1.1);
      box-shadow: 0 8px 30px rgba(43, 171, 137, 0.5);
      background: linear-gradient(135deg, #1a8a6e, #004a4b);
      color: #fff;
    }

    /* ----- WHATSAPP FLOTANTE ----- */
    .whatsapp-float {
      position: fixed;
      bottom: 25px;
      right: 25px;
      width: 60px;
      height: 60px;
      border-radius: 50%;
      background: #25D366;
      color: #fff;
      font-size: 2.2rem;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 25px rgba(37, 211, 102, 0.4);
      transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      z-index: 999;
      text-decoration: none;
      border: none;
      animation: whatsappPulse 2.5s ease-in-out infinite;
    }

    .whatsapp-float:hover {
      transform: translateY(-5px) scale(1.1);
      box-shadow: 0 8px 40px rgba(37, 211, 102, 0.5);
      background: #1ebe5c;
      color: #fff;
    }

    @keyframes whatsappPulse {
      0%, 100% { box-shadow: 0 4px 25px rgba(37, 211, 102, 0.4); }
      50% { box-shadow: 0 4px 45px rgba(37, 211, 102, 0.6), 0 0 60px rgba(37, 211, 102, 0.1); }
    }

    /* Responsive Footer */
    @media (max-width: 768px) {
      .footer .footer-bottom {
        flex-direction: column;
        text-align: center;
      }

      .footer .footer-bottom .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
      }

      .footer .footer-heading::after {
        left: 50%;
        transform: translateX(-50%);
      }

      .footer .footer-heading:hover::after {
        width: 70px;
      }

      .footer .footer-heading {
        text-align: center;
      }

      .footer .footer-links a {
        justify-content: center;
      }

      .footer .footer-contact li {
        justify-content: center;
      }

      .footer .social-links-wrapper {
        justify-content: center !important;
      }

      .scroll-top-btn {
        bottom: 80px;
        right: 15px;
        width: 44px;
        height: 44px;
        font-size: 1.4rem;
      }

      .whatsapp-float {
        width: 54px;
        height: 54px;
        font-size: 1.8rem;
        bottom: 18px;
        right: 15px;
      }
    }

    @media (max-width: 576px) {
      .hero-3d {
        min-height: 80vh;
      }
      .hero-content {
        padding: 3rem 0;
      }
      .btn-esmeralda, .btn-outline-esmeralda {
        padding: 10px 24px !important;
        font-size: 0.9rem;
      }
    }