/* ===== HERO MODERNO ===== */
    .curso-hero {
      background: linear-gradient(135deg, #0a192f 0%, #0d2b45 50%, #1a3a5c 100%);
      padding: 80px 0 60px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .curso-hero::before {
      content: '';
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: radial-gradient(ellipse at center, rgba(79, 195, 247, 0.08) 0%, transparent 60%);
      animation: none;
    }

    @keyframes pulse-bg {
      0%, 100% { transform: scale(1); opacity: 0.3; }
      50% { transform: scale(1.2); opacity: 0.6; }
    }

    .curso-hero h1 {
      font-family: 'Raleway', sans-serif;
      font-weight: 800;
      font-size: 3rem;
      color: #ffffff;
      letter-spacing: 2px;
      text-transform: uppercase;
      position: relative;
      z-index: 1;
    }

    .curso-hero h1 span {
      color: #4fc3f7;
      position: relative;
      display: inline-block;
    }

    .curso-hero h1 span::after {
      content: '';
      position: absolute;
      bottom: -5px;
      left: 0;
      width: 100%;
      height: 3px;
      background: #4fc3f7;
      transform: scaleX(0);
      transition: transform 0.3s ease;
    }

    .curso-hero h1:hover span::after {
      transform: scaleX(1);
    }

    .curso-hero p {
      font-family: 'Open Sans', sans-serif;
      color: rgba(255,255,255,0.8);
      font-size: 1.1rem;
      max-width: 650px;
      margin: 20px auto 0;
      position: relative;
      z-index: 1;
    }

    .curso-hero .hero-divider {
      width: 80px;
      height: 3px;
      background: #4fc3f7;
      margin: 25px auto 0;
      position: relative;
      z-index: 1;
      border-radius: 3px;
    }

    /* ===== SECCIÓN PRINCIPAL ===== */
    .cursos-section {
      background: linear-gradient(135deg, #f5f7fa 0%, #e8edf2 100%);
      padding: 70px 0 90px;
    }

    .section-header {
      text-align: center;
      margin-bottom: 50px;
    }

    .section-header .badge {
      background: rgba(79, 195, 247, 0.15);
      color: #0a192f;
      font-family: 'Poppins', sans-serif;
      font-size: 0.8rem;
      font-weight: 600;
      padding: 6px 16px;
      border-radius: 30px;
      letter-spacing: 1px;
      margin-bottom: 15px;
      display: inline-block;
    }

    .section-header h2 {
      font-family: 'Raleway', sans-serif;
      font-weight: 700;
      font-size: 2.2rem;
      color: #0a192f;
      margin-bottom: 15px;
    }

    .section-header h2 span {
      color: #4fc3f7;
    }

    .section-header .section-divider {
      width: 60px;
      height: 3px;
      background: #4fc3f7;
      margin: 0 auto;
      border-radius: 3px;
    }

    /* ===== GRID DE CURSOS (3 en 3 pero responsivo) ===== */
    .cursos-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 35px;
      max-width: 1200px;
      margin: 0 auto;
    }

    @media (max-width: 991px) {
      .cursos-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
      }
    }

    @media (max-width: 768px) {
      .cursos-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
      }
    }

    /* ===== TARJETA GLASSMORPHISM ===== */
    .curso-card-modern {
      position: relative;
      display: block;
      border-radius: 20px;
      overflow: hidden;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      text-decoration: none;
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
      transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      border: 1px solid rgba(255, 255, 255, 0.3);
    }

    .curso-card-modern:hover {
      transform: translateY(-12px);
      box-shadow: 0 25px 45px rgba(0, 0, 0, 0.2);
      text-decoration: none;
    }

    .curso-card-img-wrapper {
      position: relative;
      overflow: hidden;
      height: 220px;
    }

    .curso-card-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }

    .curso-card-modern:hover .curso-card-img {
      transform: scale(1.1);
    }

    .curso-card-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(10, 25, 47, 0.4) 0%, rgba(26, 58, 92, 0.7) 100%);
    }

    .curso-level {
      position: absolute;
      top: 20px;
      left: 20px;
      background: #4fc3f7;
      color: #0a192f;
      font-family: 'Poppins', sans-serif;
      font-size: 0.7rem;
      font-weight: 800;
      padding: 6px 14px;
      border-radius: 30px;
      text-transform: uppercase;
      letter-spacing: 1px;
      z-index: 2;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .curso-card-body {
      padding: 25px;
      background: #ffffff;
    }

    .curso-card-title {
      font-family: 'Raleway', sans-serif;
      font-weight: 800;
      font-size: 1.35rem;
      color: #0a192f;
      margin-bottom: 12px;
      transition: color 0.3s ease;
    }

    .curso-card-modern:hover .curso-card-title {
      color: #1a3a5c;
    }

    .curso-card-desc {
      font-family: 'Open Sans', sans-serif;
      font-size: 0.85rem;
      color: #5a6e7a;
      line-height: 1.5;
      margin-bottom: 20px;
    }

    .curso-card-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid #e8ecef;
      padding-top: 18px;
    }

    .curso-duration {
      display: flex;
      align-items: center;
      gap: 6px;
      font-family: 'Open Sans', sans-serif;
      font-size: 0.75rem;
      color: #4fc3f7;
      font-weight: 700;
    }

    .curso-duration i {
      font-size: 0.9rem;
    }

    .btn-solicitar {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-family: 'Poppins', sans-serif;
      font-size: 0.8rem;
      font-weight: 700;
      color: #ffffff;
      background: #4fc3f7;
      border: none;
      border-radius: 30px;
      padding: 8px 18px;
      transition: all 0.3s ease;
      cursor: pointer;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .btn-solicitar:hover {
      background: #0a192f;
      transform: translateX(3px);
      color: #4fc3f7;
    }

    /* ===== MODAL MODERNO ===== */
    .modal-modern .modal-content {
      border-radius: 20px;
      border: none;
      background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    }

    .modal-modern .modal-header {
      border-bottom: 2px solid #4fc3f7;
      background: linear-gradient(135deg, #0a192f 0%, #1a3a5c 100%);
      color: white;
      border-radius: 20px 20px 0 0;
      padding: 20px 25px;
    }

    .modal-modern .modal-header .btn-close {
      background-color: white;
      opacity: 0.8;
    }

    .modal-modern .modal-title {
      font-family: 'Raleway', sans-serif;
      font-weight: 700;
    }

    .modal-modern .modal-body {
      padding: 30px;
    }

    .modal-modern .form-label {
      font-family: 'Poppins', sans-serif;
      font-weight: 600;
      color: #0a192f;
    }

    .modal-modern .form-control {
      border-radius: 12px;
      border: 1px solid #dce4ec;
      padding: 12px 15px;
      font-family: 'Open Sans', sans-serif;
    }

    .modal-modern .form-control:focus {
      border-color: #4fc3f7;
      box-shadow: 0 0 0 0.2rem rgba(79, 195, 247, 0.25);
    }

    .modal-modern .btn-enviar {
      background: #4fc3f7;
      color: #0a192f;
      border-radius: 30px;
      padding: 12px 30px;
      font-weight: 700;
      transition: all 0.3s ease;
    }

    .modal-modern .btn-enviar:hover {
      background: #0a192f;
      color: #4fc3f7;
      transform: translateY(-2px);
    }

    @media (max-width: 575px) {
      .curso-hero h1 { font-size: 2rem; }
      .section-header h2 { font-size: 1.6rem; }
      .curso-card-title { font-size: 1.1rem; }
    }