      /* --- VARIABLES & CONFIGURACIÓN --- */
      :root {
          --bg-dark: #161821;
          --bg-card: #0f1016;
          --text-main: #ffffff;
          --text-muted: #b0b0c0;

          /* Degradado de marca */
          --brand-gradient: linear-gradient(90deg,
                  #ff0055 0%,
                  #8000ff 50%,
                  #0044ff 100%);
          --brand-gradient-hover: linear-gradient(90deg,
                  #ff3377 0%,
                  #9933ff 50%,
                  #3366ff 100%);

          --font-headings: "DM Serif Display", serif;
          --font-body: "Manrope", sans-serif;
      }

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

      body {
          margin: 0;
          padding: 0;
          background-color: #000;
          background-image: url("https://storage.googleapis.com/msgsndr/AxLeagc9hye0zJda7oH7/media/6969bf8c65d73df13ae810da.jpg");
          background-size: cover;
          background-position: center;
          background-attachment: fixed;
          color: var(--text-main);
          font-family: var(--font-body);
          line-height: 1.7;
          overflow-x: hidden;
      }

      img {
          max-width: 100%;
          display: block;
      }

      ul {
          list-style: none;
      }

      a {
          text-decoration: none;
          transition: 0.3s;
          color: inherit;
      }

      /* --- TIPOGRAFÍA --- */
      h1,
      h2,
      h3,
      h4 {
          font-family: var(--font-headings);
          font-weight: 700;
          letter-spacing: -0.5px;
      }

      h1 {
          font-size: 3.5rem;
          line-height: 1.1;
          margin-bottom: 20px;
          background: linear-gradient(to right, #fff, #ccc);
          background-clip: text;
          -webkit-background-clip: text;
          -webkit-text-fill-color: transparent;
      }

      h2 {
          font-size: 2.5rem;
          margin-bottom: 40px;
          text-align: center;
      }

      .section-subtitle {
          text-align: center;
          color: var(--text-muted);
          max-width: 700px;
          margin: -20px auto 50px;
          font-size: 1.1rem;
      }

      .gradient-text {
          background-clip: text;
          -webkit-background-clip: text;
          -webkit-text-fill-color: transparent;
      }

      /* --- BOTONES GENERALES --- */
      .btn-gradient {
          background: var(--brand-gradient);
          color: white;
          padding: 12px 30px;
          border-radius: 50px;
          font-weight: bold;
          display: inline-block;
          box-shadow: 0 10px 20px rgba(128, 0, 255, 0.3);
          border: 1px solid rgba(255, 255, 255, 0.1);
          transition: all 0.3s ease;
          cursor: pointer;
          border: none;
          font-size: 1rem;
      }

      .btn-gradient:hover {
          transform: translateY(-3px);
          box-shadow: 0 15px 30px rgba(128, 0, 255, 0.5);
          background: var(--brand-gradient-hover);
      }

      /* --- HEADER --- */
      header {
          background: rgba(5, 5, 8, 0.95);
          padding: 8px 5%;
          display: flex;
          justify-content: space-between;
          align-items: center;
          position: sticky;
          top: 0;
          z-index: 1000;
          backdrop-filter: blur(10px);
          border-bottom: 1px solid rgba(255, 255, 255, 0.05);
          /* height: auto; Allow growth for 4X logo */
      }

      .logo-container {
          display: flex;
          align-items: center;
          gap: 20px;
      }

      .logo-img {
          height: 120px;
          /* Reduced from 200px to 80px */
          width: auto;
          filter: none;
      }

      nav ul {
          display: flex;
          gap: 30px;
      }

      nav a {
          font-size: 0.95rem;
          font-weight: 600;
          text-transform: uppercase;
          letter-spacing: 1px;
      }

      nav a:hover {
          color: #ff0055;
      }

      /* --- HERO SECTION --- */
      #hero {
          position: relative;
          height: 80vh;
          /* Reduced height to pull content up */
          display: flex;
          align-items: center;
          /* Centered nicely, but height reduction pulls it visuals up */
          justify-content: center;
          text-align: center;
          overflow: hidden;
          padding-bottom: 50px;
          /* Slight lift */
          background: transparent;
      }

      .hero-bg {
          display: none;
      }

      .hero-content {
          margin-top: -50px;
          /* EXPLICITLY MOVE TEXT UP */
          position: relative;
          z-index: 2;
          padding: 0 20px;
          max-width: 1000px;
      }

      .hero-content p {
          font-size: 1.3rem;
          color: #ddd;
          margin-bottom: 40px;
      }

      /* --- PURPOSE SECTION --- */
      #purpose {
          padding: 100px 10%;
          display: flex;
          align-items: center;
          gap: 60px;
          background: rgba(15, 16, 22, 0.85);
          backdrop-filter: blur(5px);
      }

      .purpose-img {
          flex: 1;
          display: flex;
          justify-content: center;
      }

      .purpose-img img {
          max-height: 500px;
          filter: drop-shadow(0 0 30px rgba(128, 0, 255, 0.2));
          transition: transform 0.3s;
      }

      .purpose-img img:hover {
          transform: scale(1.05) rotate(5deg);
      }

      .purpose-text {
          flex: 1.2;
      }

      .mission-vision-box {
          margin-bottom: 30px;
          padding-left: 20px;
          border-left: 4px solid #ff0055;
      }

      .values-grid {
          display: grid;
          grid-template-columns: 1fr 1fr;
          /* 2 Columns */
          gap: 15px 40px;
          margin-top: 30px;
          max-width: 800px;
          /* Consolidate list width */
          margin-left: auto;
          margin-right: auto;
      }

      .value-item {
          /* Clean Bullet List Style */
          padding: 5px 0;
          font-size: 1.1rem;
          /* Slightly larger readability */
          display: flex;
          align-items: center;
          color: #e0e0e0;
          /* Light gray text */
          border: none;
          background: none;
      }

      .value-item:hover {
          color: #fff;
          transform: translateX(5px);
      }

      .value-item::before {
          content: "•";
          /* Subtle Bullet */
          margin-right: 15px;
          color: #ff0055;
          /* Brand color bullet for elegance */
          font-size: 1.5rem;
          line-height: 0;
      }

      /* --- LEADERSHIP (Redesigned) --- */
      #leadership {
          padding: 100px 10%;
          background: #000;
      }

      .leader-card {
          display: flex;
          align-items: center;
          gap: 60px;
          margin-bottom: 80px;
          /* Glass bg backing */
          background: rgba(255, 255, 255, 0.02);
          padding: 40px;
          border-radius: 30px;
          border: 1px solid rgba(255, 255, 255, 0.05);
      }

      .leader-img {
          flex: 0 0 300px;
          height: 300px;
          position: relative;
          border-radius: 50%;
          /* CIRCULAR */
          overflow: hidden;
          border: 5px solid rgba(255, 255, 255, 0.1);

          /* WAVE / GLOW EFFECT */
          box-shadow: 0 0 0 10px rgba(255, 255, 255, 0.02),
              0 0 0 20px rgba(255, 255, 255, 0.02), 0 0 30px rgba(128, 0, 255, 0.3),
              0 0 60px rgba(255, 0, 85, 0.2);
          transition: transform 0.5s ease, box-shadow 0.5s ease;
      }

      .leader-card:hover .leader-img {
          transform: scale(1.02);
          box-shadow: 0 0 0 15px rgba(255, 255, 255, 0.05),
              0 0 0 30px rgba(255, 255, 255, 0.05), 0 0 50px rgba(128, 0, 255, 0.5),
              0 0 80px rgba(255, 0, 85, 0.4);
      }

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

      .leader-info {
          flex: 1;
      }

      .leader-info h3 {
          font-size: 2.5rem;
          margin-bottom: 10px;
          background: linear-gradient(to right, #fff, #aaa);
          -webkit-background-clip: text;
          background-clip: text;
          -webkit-text-fill-color: transparent;
      }

      .leader-role {
          font-size: 1.1rem;
          text-transform: uppercase;
          letter-spacing: 2px;
          color: #ff0055;
          display: block;
          margin-bottom: 20px;
          font-weight: 600;
      }

      .btn-read-more {
          display: inline-block;
          margin-top: 20px;
          padding: 12px 30px;
          background: transparent;
          border: 1px solid rgba(255, 255, 255, 0.3);
          color: #fff;
          text-transform: uppercase;
          font-size: 0.85rem;
          letter-spacing: 1px;
          border-radius: 50px;
          transition: 0.3s;
          text-decoration: none;
      }

      .btn-read-more:hover {
          background: #fff;
          color: #000;
          box-shadow: 0 0 20px rgba(255, 255, 255, 0.4);
      }

      .leader-info p {
          color: var(--text-muted);
          margin-bottom: 15px;
          font-size: 0.95rem;
          text-align: justify;
      }

      /* --- MEMBERSHIP --- */
      #membership {
          padding: 100px 5%;
          background: linear-gradient(to bottom, var(--bg-dark), #0f0a1a);
          text-align: center;
      }

      .membership-intro {
          max-width: 800px;
          margin: 0 auto 50px;
      }

      .card-showcase {
          display: flex;
          justify-content: center;
          margin-bottom: 60px;
          perspective: 1000px;
      }

      .card-showcase img {
          width: 500px;
          max-width: 100%;
          height: auto;
          border-radius: 15px;
          box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
          transition: 0.3s ease-in-out;
          animation: floatCard 4s ease-in-out infinite;
      }

      .card-showcase img:hover {
          box-shadow: 0 0 15px 2px rgba(0, 80, 255, 1),
              0 0 30px 10px rgba(0, 80, 255, 0.4);
          transform: scale(1.02);
      }

      @keyframes floatCard {

          0%,
          100% {
              transform: translateY(0);
          }

          50% {
              transform: translateY(-15px);
          }
      }

      .pricing-container {
          display: flex;
          justify-content: center;
          gap: 25px;
          flex-wrap: wrap;
          align-items: center;
      }

      .price-card {
          background: var(--bg-card);
          padding: 40px 30px;
          border-radius: 20px;
          width: 350px;
          text-align: left;
          border: 1px solid rgba(255, 255, 255, 0.05);
          position: relative;
          display: flex;
          flex-direction: column;
          transition: 0.3s;
      }

      /* PINNACLE HIGHLIGHT (Featured) */
      .price-card.featured {
          border: 2px solid #ff0055;
          /* Resaltado en Rojo/Brand */
          background: linear-gradient(180deg,
                  rgba(255, 0, 85, 0.08) 0%,
                  var(--bg-card) 100%);
          transform: scale(1.1);
          /* Más grande */
          z-index: 2;
          box-shadow: 0 20px 60px rgba(255, 0, 85, 0.2);
          height: auto;
          min-height: 650px;
          /* Asegurar altura */
      }

      .price-card:hover {
          transform: translateY(-10px);
      }

      .price-card.featured:hover {
          transform: scale(1.12);
      }

      .tier-header h3 {
          font-size: 1.8rem;
          margin-bottom: 5px;
      }

      .tier-desc {
          font-size: 0.85rem;
          color: #888;
          margin-bottom: 20px;
          height: 40px;
      }

      .price-box {
          margin-bottom: 25px;
      }

      .current-price {
          font-size: 2.5rem;
          font-weight: 700;
          color: #fff;
      }

      .founding-price {
          color: #ff0055;
          font-weight: bold;
          font-size: 1rem;
      }

      .benefits-list {
          margin-bottom: 30px;
          flex-grow: 1;
      }

      .benefits-list li {
          margin-bottom: 10px;
          font-size: 0.9rem;
          color: var(--text-muted);
          padding-left: 20px;
          position: relative;
      }

      .benefits-list li::before {
          content: "✓";
          color: #0044ff;
          position: absolute;
          left: 0;
      }

      .btn-select {
          text-align: center;
          margin-top: auto;
      }

      /* --- ENGAGE & LEARN (Flotante y Seleccionable) --- */
      #resources {
          padding: 100px 10%;
          background: rgba(15, 16, 22, 0.85);
          backdrop-filter: blur(5px);
      }

      .resource-grid {
          display: grid;
          grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
          gap: 40px;
      }

      /* Estilo Flotante y Seleccionable */
      .res-item-link {
          display: block;
          /* Hace que toda la caja sea clicable */
          text-decoration: none;
      }

      .res-item {
          background: rgba(255, 255, 255, 0.03);
          padding: 40px;
          border-radius: 20px;
          border-bottom: 4px solid transparent;
          transition: all 0.4s ease;
          cursor: pointer;
          height: 100%;
          position: relative;
          box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
      }

      /* Efecto Flotante Degradado */
      .res-item:hover {
          transform: translateY(-15px);
          /* Eleva la tarjeta */
          background: linear-gradient(145deg,
                  rgba(255, 255, 255, 0.05),
                  rgba(255, 255, 255, 0.01));
          border-bottom-color: #8000ff;
          /* Color al seleccionar */
          box-shadow: 0 20px 40px rgba(128, 0, 255, 0.2);
          /* Sombra resplandor */
      }

      .res-icon {
          font-size: 3rem;
          margin-bottom: 20px;
          display: block;
      }

      .res-item h4 {
          font-size: 1.5rem;
          margin-bottom: 15px;
          color: #fff;
      }

      .res-item p {
          font-size: 1rem;
          color: var(--text-muted);
      }

      /* --- FORMULARIO DE CONTACTO --- */
      #contact-section {
          padding: 80px 15%;
          background: #0b0c10;
      }

      .contact-form-container {
          background: #161821;
          padding: 50px;
          border-radius: 20px;
          border: 1px solid rgba(255, 255, 255, 0.05);
          box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
      }

      .form-grid {
          display: grid;
          grid-template-columns: 1fr 1fr;
          gap: 20px;
      }

      .form-group {
          margin-bottom: 20px;
      }

      .form-group.full-width {
          grid-column: 1 / -1;
      }

      .form-group label {
          display: block;
          margin-bottom: 8px;
          color: #ccc;
          font-weight: 600;
          font-size: 0.9rem;
      }

      .form-control {
          width: 100%;
          padding: 15px;
          background: #050508;
          border: 1px solid #333;
          border-radius: 10px;
          color: #fff;
          font-size: 1rem;
          transition: 0.3s;
      }

      .form-control:focus {
          outline: none;
          border-color: #8000ff;
          box-shadow: 0 0 10px rgba(128, 0, 255, 0.3);
      }

      select.form-control {
          appearance: none;
          cursor: pointer;
      }

      /* --- FOOTER --- */
      footer {
          background: #000;
          padding: 80px 10%;
          text-align: center;
          border-top: 1px solid rgba(255, 255, 255, 0.1);
      }

      .footer-logo {
          height: 230px;
          margin: 0 auto 30px;
          filter: none;
          opacity: 1;
      }

      .footer-info {
          color: #666;
          margin-bottom: 20px;
      }

      .social-links a {
          margin: 0 15px;
          font-size: 1.1rem;
          color: #aaa;
      }

      .social-links a:hover {
          color: #fff;
      }

      /* --- BOTÓN FLOTANTE (FAB JOIN) --- */
      .fab-join {
          position: fixed;
          bottom: 30px;
          right: 30px;
          width: 70px;
          height: 70px;
          border-radius: 50%;
          background: var(--brand-gradient);
          color: white;
          display: flex;
          align-items: center;
          justify-content: center;
          font-weight: bold;
          box-shadow: 0 10px 25px rgba(255, 0, 85, 0.4);
          z-index: 9999;
          font-size: 1rem;
          border: 2px solid rgba(255, 255, 255, 0.2);
          transition: 0.3s;
      }

      .fab-join:hover {
          transform: scale(1.1);
          filter: brightness(1.2);
      }

      /* --- AI CHATBOT WIDGET --- */
      .ai-chat-btn {
          position: fixed;
          bottom: 110px;
          /* Stacked above FAB */
          right: 35px;
          /* Aligned center with FAB (70px width vs 60px btn + margin adjust) */
          width: 60px;
          height: 60px;
          border-radius: 50%;
          background: linear-gradient(135deg, #00d2ff, #3a7bd5);
          color: white;
          display: flex;
          align-items: center;
          justify-content: center;
          font-size: 1.8rem;
          cursor: pointer;
          box-shadow: 0 0 20px rgba(0, 210, 255, 0.5);
          z-index: 10000;
          transition: 0.3s;
          animation: floatRobot 3s ease-in-out infinite;
          overflow: hidden;
          /* Ensure image stays inside circle */
          padding: 0;
          border: 2px solid #fff;
      }

      .ai-chat-btn img {
          width: 100%;
          height: 100%;
          object-fit: cover;
      }

      .ai-chat-btn:hover {
          transform: scale(1.1) rotate(10deg);
      }

      @keyframes floatRobot {

          0%,
          100% {
              transform: translateY(0);
          }

          50% {
              transform: translateY(-10px);
          }
      }

      .chat-window {
          display: none;
          /* Hidden by default */
          position: fixed;
          bottom: 120px;
          right: 110px;
          /* To the left of buttons or shifted up */
          width: 350px;
          height: 500px;
          background: rgba(20, 20, 30, 0.95);
          border: 1px solid rgba(255, 255, 255, 0.1);
          backdrop-filter: blur(15px);
          border-radius: 20px;
          box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
          z-index: 10001;
          flex-direction: column;
          overflow: hidden;
          animation: zoomIn 0.3s ease;
      }

      .chat-window.active {
          display: flex;
      }

      @keyframes zoomIn {
          from {
              opacity: 0;
              transform: scale(0.8) translate(50px, 50px);
          }

          to {
              opacity: 1;
              transform: scale(1) translate(0, 0);
          }
      }

      .chat-header {
          background: linear-gradient(to right, #00d2ff, #3a7bd5);
          padding: 15px;
          display: flex;
          align-items: center;
          justify-content: space-between;
      }

      .chat-header h4 {
          margin: 0;
          color: #fff;
          font-size: 1rem;
          display: flex;
          align-items: center;
          gap: 10px;
      }

      .chat-close {
          background: none;
          border: none;
          color: #fff;
          font-size: 1.2rem;
          cursor: pointer;
      }

      .chat-messages {
          flex: 1;
          padding: 20px;
          overflow-y: auto;
          display: flex;
          flex-direction: column;
          gap: 15px;
      }

      .msg {
          padding: 10px 15px;
          border-radius: 15px;
          font-size: 0.9rem;
          max-width: 80%;
          line-height: 1.4;
      }

      .msg.bot {
          background: rgba(255, 255, 255, 0.1);
          color: #fff;
          align-self: flex-start;
          border-bottom-left-radius: 2px;
      }

      .msg.user {
          background: #00d2ff;
          color: #000;
          align-self: flex-end;
          border-bottom-right-radius: 2px;
      }

      .chat-input-area {
          padding: 15px;
          border-top: 1px solid rgba(255, 255, 255, 0.1);
          display: flex;
          gap: 10px;
      }

      .chat-input-area input {
          flex: 1;
          background: rgba(255, 255, 255, 0.05);
          border: none;
          padding: 10px;
          border-radius: 5px;
          color: #fff;
          outline: none;
      }

      .chat-input-area button {
          background: #00d2ff;
          border: none;
          width: 35px;
          height: 35px;
          border-radius: 50%;
          cursor: pointer;
          color: #000;
          display: flex;
          align-items: center;
          justify-content: center;
      }

      /* Mobile Responsive Chat */
      @media (max-width: 500px) {
          .chat-window {
              width: 90%;
              right: 5%;
              bottom: 180px;
              height: 400px;
          }
      }

      /* RESPONSIVE */
      @media (max-width: 900px) {
          h1 {
              font-size: 2.5rem;
          }

          .logo-container img {
              height: 120px;
              margin-top: 0;
          }

          /* Ajuste móvil */
          header {
              height: auto;
          }

          #purpose {
              flex-direction: column;
              text-align: center;
          }

          .mission-vision-box {
              border-left: none;
              padding: 0;
          }

          .leader-card {
              flex-direction: column;
          }

          .pricing-container {
              flex-direction: column;
          }

          .price-card.featured {
              transform: scale(1);
              width: 100%;
          }

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

          nav {
              display: none;
          }
      }

      /* Hover effects specifically for this section */
      .mission-card:hover,
      .vision-card:hover,
      .values-card:hover {
          background: linear-gradient(90deg,
                  rgba(255, 255, 255, 0.05),
                  rgba(255, 255, 255, 0.02));
          transform: translateX(10px);
          box-shadow: -5px 5px 20px rgba(0, 0, 0, 0.5);
      }

      @media (max-width: 900px) {
          #purpose {
              flex-direction: column;
              text-align: left;
          }

          .mission-card:hover,
          .vision-card:hover,
          .values-card:hover {
              transform: translateY(-5px);
          }
      }