/* Hero Section */
    .hero {
      background-color: var(--navy-dark);
      position: relative;
      padding: 80px 0 140px;
      color: var(--white);
      overflow: hidden;
    }

    .hero-wave-bg {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      opacity: 0.15;
    }

    .hero-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      position: relative;
      z-index: 2;
    }

    .hero-content {
      flex: 1;
      max-width: 540px;
    }

    .hero-title {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.15;
      margin-bottom: 20px;
    }

    .text-green {
      color: #34d399;
    }

    .hero-description {
      font-size: 15px;
      color: #94a3b8;
      margin-bottom: 35px;
      line-height: 1.7;
    }

    .hero-btns {
      display: flex;
      gap: 16px;
    }

    .hero-image-wrapper {
      flex: 1;
      display: flex;
      justify-content: flex-end;
    }

    .hero-img-container {
      width: 100%;
      max-width: 500px;
      height: 400px;
      border-radius: 200px 0 200px 200px;
      overflow: hidden;
      border: 4px solid rgba(255, 255, 255, 0.1);
      box-shadow: -10px 10px 0px rgba(0, 135, 90, 0.4);
    }

    .hero-img-container img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    /* Novedoso Diseño de Tarjetas (Inspirado en la Ref 2) */
    .features-overlap {
      margin-top: -80px;
      position: relative;
      z-index: 10;
      padding-bottom: 80px;
    }

    .cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

   /* Tarjetas con recortes diagonales opuestos exactos */
.feature-card {
  background-color: #f1f5f9;
  padding: 40px 30px;
  text-align: left;
  position: relative;
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;

  /* Corte diagonal opuesto: Superior Izquierda e Inferior Derecha */
  clip-path: polygon(
    28px 0%,                  /* Inicio corte sup. izquierdo */
    100% 0%,                  /* Esquina sup. derecha recta */
    100% calc(100% - 28px),   /* Inicio corte inf. derecho */
    calc(100% - 28px) 100%,   /* Fin corte inf. derecho */
    0% 100%,                  /* Esquina inf. izquierda recta */
    0% 28px                   /* Fin corte sup. izquierdo */
  );
}

.feature-card:hover {
  transform: translateY(-6px);
  background-color: #e2e8f0;
}

/* Tarjeta destacada verde (estilo la violeta de la imagen) */
.feature-card.highlight {
  background: linear-gradient(135deg, var(--iems-green) 0%, #00563b 100%);
  color: var(--white);
}

.feature-card.highlight .feature-title {
  color: var(--white);
}

.feature-card.highlight .feature-desc {
  color: rgba(255, 255, 255, 0.88);
}

.feature-card.highlight .feature-icon-box {
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

    .feature-top {
      margin-bottom: 25px;
    }

    .feature-icon-box {
      width: 52px;
      height: 52px;
      background-color: rgba(0, 135, 90, 0.1);
      color: var(--iems-green);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
    }

    .feature-title {
      font-size: 22px;
      font-weight: 800;
      color: var(--navy-dark);
      margin-bottom: 12px;
      line-height: 1.25;
    }

    .feature-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* PRESENTACIÓN DE LA ENCUESTA */
    .presentacion-section {
      padding: 100px 0;
    }

    .presentacion-header {
      text-align: center;
      max-width: 640px;
      margin: 0 auto 50px;
    }

    .presentacion-title {
      font-size: 34px;
      font-weight: 800;
      color: var(--navy-dark);
      line-height: 1.25;
      margin: 8px 0 4px;
    }

    .presentacion-subtitle {
      display: inline-block;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-muted);
      letter-spacing: 0.3px;
    }

    .divider-line {
      width: 40px;
      height: 3px;
      background-color: var(--iems-green);
      border-radius: 2px;
      margin: 22px auto 0;
    }

    .presentacion-card-wrap {
      position: relative;
      max-width: 980px;
      margin: 0 auto 60px;
    }

    .presentacion-card {
      position: relative;
      border-radius: 20px;
      box-shadow: 0 25px 60px rgba(15, 23, 42, 0.07);
      padding: 60px 60px 100px;
      overflow: hidden;
    }

    .presentacion-quote {
      position: absolute;
      top: 30px;
      left: 40px;
      font-size: 72px;
      color: var(--iems-green-light);
      z-index: 0;
      line-height: 1;
    }

    .presentacion-columns {
      position: relative;
      z-index: 1;
      column-count: 2;
      column-gap: 50px;
    }

    .presentacion-columns p {
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 20px;
      text-align: left;
      break-inside: avoid;
      -webkit-column-break-inside: avoid;
    }


    .presentacion-cierre {
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translate(-50%, 50%);
      z-index: 2;
      width: 88%;
      max-width: 640px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      padding: 28px 40px;
      background-color: var(--navy-dark);
      box-shadow: 0 20px 45px rgba(1, 12, 8, 0.274);
      animation: presentacionPulso 2.2s ease-in-out infinite;
    }

    .presentacion-cierre i {
      color: var(--white);
      font-size: 28px;
      flex-shrink: 0;
    }

    .presentacion-cierre p {
      font-size: 22px;
      font-weight: 800;
      color: var(--white);
      line-height: 1.35;
      text-align: center;
      margin: 0;
    }

    @keyframes presentacionPulso {
      0%, 100% {
        transform: translate(-50%, 50%) scale(1);
        opacity: 1;
      }
      50% {
        transform: translate(-50%, 50%) scale(1.045);
        opacity: 0.88;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      .presentacion-cierre {
        animation: none;
      }
    }

    @media (max-width: 900px) {
      .presentacion-section {
        padding: 60px 0;
      }

      .presentacion-title {
        font-size: 26px;
      }

      .presentacion-card-wrap {
        margin-bottom: 70px;
      }

      .presentacion-card {
        padding: 34px 24px 90px;
        border-radius: 14px;
      }

      .presentacion-cierre {
        width: 92%;
        padding: 18px 22px;
        gap: 10px;
        border-radius: 16px;
        flex-direction: column;
        align-items: flex-start;
      }

      .presentacion-cierre i {
        font-size: 20px;
      }

      .presentacion-cierre p {
        font-size: 16px;
      }

      .presentacion-quote {
        font-size: 50px;
        top: 16px;
        left: 20px;
      }

      .presentacion-columns {
        column-count: 1;
      }
    }

    /* SECCIÓN INICIO DE SESIÓN Y SOPORTE */
    .login-section {
      padding: 90px 0;
      background-color: #f8fafc;
      border-top: 1px solid var(--border-color);
    }

    .login-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }

    .login-info h2 {
      font-size: 38px;
      font-weight: 800;
      color: var(--navy-dark);
      line-height: 1.2;
      margin-bottom: 20px;
    }

    .login-info p {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 30px;
    }

    .contact-details {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 20px;
    }

    .detail-item {
      /*border-left: 3px solid var(--iems-green);*/
      padding-left: 12px;
    }

    .detail-item h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--navy-dark);
      margin-bottom: 5px;
    }

    .detail-item p {
      font-size: 13px;
      color: var(--text-muted);
      margin: 0;
    }

    /* Formulario de Login */
    .login-card-wrapper {
      background: var(--white);
      padding: 40px;
      border-radius: 16px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
      border: 1px solid var(--border-color);
      border-left: 5px solid var(--iems-green);
    }

    .login-card-wrapper h3 {
      font-size: 22px;
      font-weight: 800;
      color: var(--navy-dark);
      margin-bottom: 8px;
    }

    .login-card-wrapper p {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 25px;
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--navy-dark);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 14px;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      background-color: #f9fafb;
      outline: none;
      transition: all 0.3s ease;
      font-family: var(--font-main);
    }

    select.form-control {
      cursor: pointer;
    }

    .form-control:focus {
      border-color: var(--iems-green);
      background-color: var(--white);
      box-shadow: 0 0 0 3px rgba(0, 135, 90, 0.1);
    }

    /* Select personalizado de Plantel (con logo por opcion) */
    .select-plantel {
      position: relative;
    }

    .select-plantel-native {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }

    .select-plantel-trigger {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      width: 100%;
      text-align: left;
      color: var(--text-muted);
    }

    .select-plantel-trigger.has-value {
      color: var(--text-dark);
    }

    .select-plantel-trigger i {
      color: var(--text-muted);
      font-size: 12px;
      transition: transform 0.2s ease;
      flex-shrink: 0;
    }

    .select-plantel.is-open .select-plantel-trigger i {
      transform: rotate(180deg);
    }

    .select-plantel-options {
      position: absolute;
      top: calc(100% + 6px);
      left: 0;
      right: 0;
      z-index: 20;
      max-height: 260px;
      overflow-y: auto;
      background-color: var(--white);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      box-shadow: 0 12px 30px rgba(15, 23, 42, 0.1);
      list-style: none;
      padding: 6px;
      display: none;
    }

    .select-plantel.is-open .select-plantel-options {
      display: block;
    }

    .select-plantel-option {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 8px 10px;
      border-radius: 6px;
      cursor: pointer;
      font-size: 14px;
      color: var(--text-dark);
    }

    .select-plantel-option:hover,
    .select-plantel-option.is-selected {
      background-color: var(--iems-green-light);
    }

    .select-plantel-option img {
      width: 28px;
      height: 28px;
      object-fit: contain;
      flex-shrink: 0;
    }

    .btn-submit {
      width: 100%;
      padding: 14px;
      background-color: var(--navy-dark);
      color: var(--white);
      border: none;
      border-radius: 6px;
      font-weight: 700;
      font-size: 14px;
      cursor: pointer;
      transition: all 0.3s ease;
      margin-top: 10px;
    }

    .btn-submit:hover {
      background-color: var(--iems-green);
      transform: translateY(-2px);
    }

    /* FAQ */
    .faq-section {
      padding: 90px 0;
      background-color: var(--white);
    }

    .faq-header {
      text-align: center;
      max-width: 650px;
      margin: 0 auto 50px;
    }

    .faq-accordion {
      max-width: 850px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      border: 1px solid var(--border-color);
      border-radius: 10px;
      overflow: hidden;
      transition: all 0.3s ease;
    }

    .faq-item:hover {
      border-color: #cbd5e1;
    }

    .faq-item[open] {
      border-color: var(--iems-green);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.04);
    }

    .faq-question {
      padding: 20px 25px;
      font-size: 16px;
      font-weight: 700;
      color: var(--navy-dark);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      list-style: none;
      background-color: var(--white);
    }

    .faq-question::-webkit-details-marker {
      display: none;
    }

    .faq-question i {
      color: var(--iems-green);
      transition: transform 0.3s ease;
      font-size: 14px;
    }

    .faq-item[open] .faq-question i {
      transform: rotate(180deg);
      color: var(--primary-red);
    }

    .faq-answer {
      padding: 0 25px 20px 25px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px dashed #f1f5f9;
      background-color: var(--white);
    }

    /* ============================================
       Responsivo
       ============================================ */
    @media (max-width: 992px) {
      .hero {
        padding: 60px 0 110px;
      }

      .hero-inner {
        flex-direction: column;
        text-align: center;
        gap: 40px;
      }

      .hero-content {
        max-width: 100%;
      }

      .hero-btns {
        justify-content: center;
      }

      .hero-image-wrapper {
        justify-content: center;
        width: 100%;
      }

      .hero-img-container {
        height: 320px;
      }

      .cards-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .login-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }

      .login-info {
        text-align: center;
      }

      .contact-details {
        justify-content: center;
      }

      .detail-item {
        padding-left: 0;
      }
    }

    @media (max-width: 640px) {
      .hero-title {
        font-size: 32px;
      }

      .hero-description {
        font-size: 14px;
      }

      .hero-btns {
        flex-direction: column;
      }

      .hero-btns .btn {
        width: 100%;
      }

      .hero-img-container {
        height: 240px;
        border-radius: 24px;
      }

      .cards-grid {
        grid-template-columns: 1fr;
      }

      .section-title {
        font-size: 26px;
      }

      .login-section,
      .faq-section {
        padding: 60px 0;
      }

      .login-info h2 {
        font-size: 28px;
      }

      .login-card-wrapper {
        padding: 24px;
      }

      .contact-details {
        grid-template-columns: 1fr;
      }

      .faq-question {
        padding: 16px 18px;
        font-size: 15px;
      }

      .faq-answer {
        padding: 0 18px 16px 18px;
      }
    }