    :root {
      --verde: #5ea514;
      --verde-claro: #8dc63f;
      --azul: #032d5b;
      --azul-oscuro: #021d3a;
      --gris: #f4f7fb;
      --texto: #1f2937;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'Segoe UI', sans-serif;
      color: var(--texto);
      background: #ffffff;
      overflow-x: hidden;
    }

    /* =========================
        NAVBAR
    ==========================*/

    .navbar-custom {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.06);
    }

    .navbar-brand img {
      height: 100px;
      width: auto;
      transition: 0.3s ease;
    }

    .nav-link {
      color: var(--azul);
      font-weight: 600;
      margin-left: 15px;
    }

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

    /* =========================
        HERO
    ==========================*/

    .hero{
      position: relative;
      min-height: 100vh;

      background:
        url('../images/background.jpeg');

      background-size: cover;
      background-position: center center;
      background-repeat: no-repeat;
      background-attachment: fixed;

      display: flex;
      align-items: center;

      padding-top: 120px;
      padding-bottom: 80px;

      overflow: hidden;
    }

    .hero-overlay{
      position: absolute;
      inset: 0;

      background:
        linear-gradient(
          to right,
          rgba(255,255,255,0.72) 15%,
          rgba(255,255,255,0.55) 40%,
          rgba(3,45,91,0.30) 100%
        );
    }

    .hero .container {
      position: relative;
      z-index: 2;
    }

.logo{
  max-width: 380px;
  width: 100%;

  border-radius: 24px;

  padding: 12px;

  background: rgba(255,255,255,0.92);

  box-shadow:
    0 10px 30px rgba(0,0,0,0.15);

  backdrop-filter: blur(8px);
}

    .badge-course {
      display: inline-block;
      background: var(--azul);
      color: white;
      padding: 12px 25px;
      border-radius: 14px;
      font-weight: 700;
      margin-bottom: 25px;
      letter-spacing: 1px;
    }

    .hero h1 {
      font-size: 5rem;
      font-weight: 900;
      line-height: 1;
      color: var(--azul);
    }

    .hero h1 span {
      color: var(--verde);
    }

    .hero p {
      font-size: 1.35rem;
      margin-top: 25px;
      max-width: 700px;
    }

    .hero p strong {
      color: var(--verde);
    }

    .info-card {
      background: rgba(2, 29, 58, 0.94);
      color: white;
      padding: 35px;
      border-radius: 25px;
      backdrop-filter: blur(10px);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
    }

    .info-card h4 {
      color: var(--verde-claro);
      margin-bottom: 12px;
      font-weight: 800;
    }

    .info-card hr {
      border-color: rgba(255, 255, 255, 0.2);
    }

    /* =========================
        TITLES
    ==========================*/

    .section-title {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--azul);
      margin-bottom: 20px;
    }

    .section-title span {
      color: var(--verde);
    }

    /* =========================
        MODULES
    ==========================*/

    .module-card {
      background: linear-gradient(135deg, var(--azul), var(--azul-oscuro));
      color: white;
      padding: 35px;
      border-radius: 25px;
      height: 100%;
      transition: 0.3s;
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
    }

    .module-card:hover {
      transform: translateY(-8px);
    }

    .module-number {
      color: var(--verde-claro);
      font-weight: 800;
      font-size: 1.2rem;
      margin-bottom: 10px;
    }

    .module-card h3 {
      font-size: 2rem;
      margin-bottom: 18px;
      font-weight: 700;
    }

    .module-card ul {
      padding-left: 18px;
    }

    .module-card li {
      margin-bottom: 12px;
      line-height: 1.5;
    }

    /* =========================
        HIGHLIGHT
    ==========================*/

    .highlight-section {
      background:
        linear-gradient(135deg,
          var(--verde),
          var(--verde-claro));

      color: white;
      border-radius: 28px;
      padding: 50px;
    }

    /* =========================
        PRICING
    ==========================*/

    .pricing {
      background: var(--gris);
    }

    .pricing-card {
      background: white;
      border-radius: 25px;
      padding: 35px;
      text-align: center;
      height: 100%;
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.07);
      transition: 0.3s;
    }

    .pricing-card:hover {
      transform: translateY(-8px);
    }

    .pricing-card h4 {
      color: var(--azul);
      font-weight: 700;
      margin-bottom: 15px;
    }

    .price {
      font-size: 3rem;
      color: var(--verde);
      font-weight: 900;
    }

    /* =========================
        INSTRUCTORS
    ==========================*/

    .instructor-card {
      background: white;
      border-radius: 25px;
      overflow: hidden;
      box-shadow: 0 12px 25px rgba(0, 0, 0, 0.08);
      transition: 0.3s;
      height: 100%;
    }

    .instructor-card:hover {
      transform: translateY(-8px);
    }

    .instructor-card img{
      width: 100%;
      height: 340px;
      object-fit: cover;
      object-position: center 20%;
    }

    .instructor-content{
      padding: 30px;
      text-align: center;
    }

    .instructor-content h3 {
      color: var(--azul);
      font-weight: 800;
    }
    .instructor-btn{
      background:
        linear-gradient(
          135deg,
          var(--verde),
          var(--verde-claro)
        );

      color: white;

      border: none;

      padding: 12px 22px;

      border-radius: 50px;

      font-weight: 700;

      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;

      transition: 0.3s;

      margin: 20px auto 0 auto;
    }

    .instructor-btn:hover{
      transform: translateY(-3px);

      color: white;

      box-shadow:
        0 10px 20px rgba(94,165,20,0.25);
    }
    /* =========================
        FEATURES
    ==========================*/

    .feature-box {
      background: white;
      padding: 35px;
      border-radius: 24px;
      text-align: center;
      height: 100%;
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.06);
      transition: 0.3s;
    }

    .feature-box:hover {
      transform: translateY(-8px);
    }

    .feature-box i {
      font-size: 3rem;
      color: var(--verde);
      margin-bottom: 20px;
    }

    .feature-box h5 {
      color: var(--azul);
      font-weight: 700;
    }

    /* =========================
        CONTACT
    ==========================*/

    .contact-section {
      background:
        linear-gradient(135deg,
          var(--azul),
          var(--azul-oscuro));
      color: white;
      border-radius: 30px;
      padding: 60px;
    }

    .contact-form {
      background: white;
      border-radius: 25px;
      padding: 40px;
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.18);
    }

    .contact-form h3 {
      color: var(--azul);
      font-weight: 800;
      margin-bottom: 25px;
    }

    .form-control {
      padding: 15px;
      border-radius: 12px;
      border: 1px solid #d1d5db;
    }

    .form-control:focus {
      border-color: var(--verde);
      box-shadow: 0 0 0 0.2rem rgba(94, 165, 20, 0.2);
    }

    .btn-custom {
      background:
        linear-gradient(135deg,
          var(--verde),
          var(--verde-claro));

      border: none;
      color: white;
      padding: 15px;
      font-weight: 700;
      border-radius: 50px;
      transition: 0.3s;
    }

    .btn-custom:hover {
      transform: scale(1.02);
      color: white;
    }

    /* =========================
        FOOTER
    ==========================*/

.footer-custom{
  background:
    linear-gradient(
      135deg,
      #021d3a,
      #032d5b
    );

  color: white;

  padding-top: 80px;
  padding-bottom: 30px;

  position: relative;

  overflow: hidden;
}

.footer-custom::before{
  content: '';

  position: absolute;

  top: -120px;
  right: -120px;

  width: 320px;
  height: 320px;

  background: rgba(141,198,63,0.08);

  border-radius: 50%;
}

.footer-title{
  font-size: 2rem;
  font-weight: 800;

  margin-bottom: 20px;

  color: white;
}

.footer-text{
  color: rgba(255,255,255,0.75);

  line-height: 1.8;

  max-width: 420px;
}

.footer-subtitle{
  color: var(--verde-claro);

  font-weight: 700;

  margin-bottom: 20px;
}

.footer-links,
.footer-contact{
  list-style: none;

  padding: 0;
}

.footer-links li,
.footer-contact li{
  margin-bottom: 14px;
}

.footer-links a{
  color: rgba(255,255,255,0.78);

  text-decoration: none;

  transition: 0.3s;
}

.footer-links a:hover{
  color: var(--verde-claro);

  padding-left: 5px;
}

.footer-contact li{
  color: rgba(255,255,255,0.78);

  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-contact i{
  color: var(--verde-claro);
}

.footer-divider{
  border-color: rgba(255,255,255,0.12);

  margin-top: 50px;
  margin-bottom: 25px;
}

.footer-bottom{
  display: flex;
  justify-content: space-between;
  align-items: center;

  flex-wrap: wrap;
  gap: 10px;
}

.footer-bottom p{
  margin: 0;

  color: rgba(255,255,255,0.65);
}

@media(max-width:768px){

  .footer-bottom{
    flex-direction: column;
    text-align: center;
  }

}
.error
{
  color: #EE4B2B;
  text-align: center;
  visibility: hidden;
}
.checkbox-xl{
  width: 35px;
  height: 35px;
  cursor: pointer;
  border-color: var(--azul);
}
.input-label{
  color: var(--azul);
  font-size: 2rem;
  font-weight: bold;
  padding-left: 10px;
}
    /* =========================
        RESPONSIVE
    ==========================*/

    @media(max-width:991px) {

      .hero {
        text-align: center;
      }

      .hero h1 {
        font-size: 3.5rem;
      }

      .logo {
        max-width: 280px;
      }

      .contact-section {
        padding: 35px;
      }

    }
    @media(max-width:768px) {

      .hero-overlay {
        background:
          linear-gradient(to bottom,
            rgba(255, 255, 255, 0.95),
            rgba(255, 255, 255, 0.88));
      }

      .hero h1 {
        font-size: 2.8rem;
      }

      .section-title {
        font-size: 2rem;
      }

      .highlight-section,
      .contact-section {
        padding: 30px;
      }

    }