/* ===================================================
       VARIABLES Y TOKENS DE DISEÑO
    =================================================== */
    :root {
      --navy:        #1e3a8a;
      --navy-dark:   #152b6b;
      --navy-light:  #dbeafe;
      --red:         #c73a4a;
      --red-dark:    #a02d3a;
      --red-light:   #fde8ea;
      --white:       #ffffff;
      --gray-50:     #f8fafc;
      --gray-100:    #f1f5f9;
      --gray-200:    #e2e8f0;
      --gray-400:    #94a3b8;
      --gray-600:    #475569;
      --gray-800:    #1e293b;
      --gray-900:    #0f172a;
      --shadow-sm:   0 1px 3px rgba(0,0,0,.08);
      --shadow-md:   0 4px 12px rgba(0,0,0,.10);
      --shadow-lg:   0 10px 24px rgba(0,0,0,.12);
      --shadow-xl:   0 20px 40px rgba(0,0,0,.14);
      --radius-sm:   6px;
      --radius-md:   12px;
      --radius-lg:   20px;
      --transition:  all .28s cubic-bezier(.4,0,.2,1);
    }

    /* ===================================================
       RESET Y BASE
    =================================================== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      color: var(--gray-800);
      background: var(--white);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { text-decoration: none; color: inherit; }
    ul { list-style: none; }

    /* ===================================================
       BARRA DE NAVEGACIÓN
    =================================================== */
    .navbar {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 1000;
      background: rgba(255,255,255,.96);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(226,232,240,.6);
      transition: var(--transition);
    }
    .navbar.scrolled { box-shadow: var(--shadow-md); }

    .nav-inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .nav-logo img { height: 46px; width: auto; }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .nav-link {
      padding: 8px 16px;
      border-radius: var(--radius-sm);
      font-size: .9rem;
      font-weight: 500;
      color: var(--gray-600);
      transition: var(--transition);
      white-space: nowrap;
    }
    .nav-link:hover    { background: var(--navy-light); color: var(--navy); }
    .nav-link.active   { background: var(--navy); color: var(--white); }

    .nav-cta {
      margin-left: 8px;
      padding: 10px 22px;
      background: var(--red);
      color: var(--white) !important;
      border-radius: var(--radius-sm);
      font-weight: 700;
      font-size: .875rem;
      transition: var(--transition);
    }
    .nav-cta:hover { background: var(--red-dark) !important; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(199,58,74,.35); }

    /* Hamburger */
    .nav-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
      border-radius: var(--radius-sm);
    }
    .nav-toggle span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--gray-800);
      border-radius: 2px;
      transition: var(--transition);
    }
    .nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
    .nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
    .nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

    /* ===================================================
       HERO
    =================================================== */
    .hero {
      min-height: 100vh;
      padding-top: 72px;
      background: linear-gradient(140deg, #0b1f54 0%, #1e3a8a 45%, #1d4ed8 100%);
      display: flex;
      align-items: center;
      position: relative;
      overflow: hidden;
    }
    /* Imagen de fondo sutil */
    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: url('../img/header_one.jpg') center/cover no-repeat;
      opacity: .08;
    }
    /* Círculos decorativos */
    .hero-decor {
      position: absolute;
      border-radius: 50%;
      background: rgba(255,255,255,.04);
    }
    .hero-decor-1 { width: 600px; height: 600px; top: -200px; right: -100px; }
    .hero-decor-2 { width: 400px; height: 400px; bottom: -150px; right: 200px; background: rgba(199,58,74,.08); }
    /* Ola inferior */
    .hero::after {
      content: '';
      position: absolute;
      bottom: -1px; left: 0; right: 0;
      height: 90px;
      background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 90'%3E%3Cpath fill='%23f8fafc' d='M0,90 L0,45 C240,90 480,0 720,45 C960,90 1200,0 1440,45 L1440,90 Z'/%3E%3C/svg%3E") center bottom/cover no-repeat;
    }

    .hero-content {
      max-width: 1200px;
      margin: 0 auto;
      padding: 80px 28px 120px;
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 48px;
      align-items: center;
    }
    .hero-left { /* columna izquierda: todo el contenido original */ }

    @keyframes platFloat {
      0%, 100% { transform: translateY(0); }
      50%       { transform: translateY(-14px); }
    }

    /* Columna derecha hero: imagen ELSO Platinum flotante */
    .hero-platinum {
      flex-shrink: 0;
      max-width: 300px;
      text-align: center;
      animation: platFloat 4s ease-in-out infinite;
      background: rgba(255,255,255,0.10);
      border: 1px solid rgba(255,255,255,0.22);
      border-radius: 20px;
      padding: 28px 24px;
    }
    .hero-platinum img {
      width: 100%;
      max-width: 260px;
      height: auto;
      display: block;
      margin: 0 auto 20px;
    }
    .hero-center-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 16px;
      line-height: 1.2;
      letter-spacing: .01em;
    }
    .hero-center-name span {
      color: #fbbf24;
    }
    .hero-platinum p {
      font-size: .82rem;
      color: rgba(255,255,255,.82);
      line-height: 1.65;
      margin: 0;
      max-width: none;
    }
    .hero-typer {
      margin-top: 14px !important;
      font-size: .8rem !important;
      color: rgba(255,255,255,.6) !important;
      letter-spacing: .03em;
    }
    .hero-typer-word {
      color: #fbbf24;
      font-weight: 700;
      font-size: .95rem;
      border-right: 2px solid #fbbf24;
      animation: heroBlink .75s step-end infinite;
    }
    @keyframes heroBlink {
      50% { border-color: transparent; }
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.22);
      color: rgba(255,255,255,.92);
      padding: 6px 18px;
      border-radius: 100px;
      font-size: .8rem;
      font-weight: 600;
      letter-spacing: .02em;
      margin-bottom: 28px;
      backdrop-filter: blur(8px);
    }
    .hero-badge .fa { color: #fbbf24; }
    .hero-badge--title {
      font-size: 1.6rem;
      font-weight: 800;
      letter-spacing: .01em;
      background: transparent;
      border: none;
      padding: 0;
      border-radius: 0;
      backdrop-filter: none;
      color: #ffffff;
      margin-bottom: 12px;
    }
    .hero-badge-accent { color: #fbbf24; }

    .hero h1 {
      font-size: clamp(2.2rem, 5.5vw, 4rem);
      font-weight: 800;
      color: var(--white);
      line-height: 1.12;
      margin-bottom: 24px;
      max-width: 680px;
    }
    .hero h1 em {
      font-style: normal;
      color: #93c5fd;
    }

    .hero p {
      font-size: clamp(1rem, 2vw, 1.15rem);
      color: rgba(255,255,255,.82);
      max-width: 520px;
      margin-bottom: 44px;
      line-height: 1.75;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }
    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 15px 34px;
      background: var(--red);
      color: var(--white);
      border-radius: var(--radius-sm);
      font-weight: 700;
      font-size: 1rem;
      transition: var(--transition);
      border: 2px solid transparent;
    }
    .btn-primary:hover { background: var(--red-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(199,58,74,.4); }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 14px 32px;
      background: transparent;
      color: var(--white);
      border: 2px solid rgba(255,255,255,.4);
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 1rem;
      transition: var(--transition);
      backdrop-filter: blur(8px);
    }
    .btn-outline:hover { background: rgba(255,255,255,.15); border-color: rgba(255,255,255,.7); transform: translateY(-2px); }

    /* Logos en hero */
    .hero-logos {
      margin-top: 64px;
      display: flex;
      align-items: center;
      gap: 32px;
      flex-wrap: wrap;
    }
    .hero-logos-label {
      font-size: .78rem;
      font-weight: 600;
      color: rgba(255,255,255,.5);
      text-transform: uppercase;
      letter-spacing: .1em;
    }
    /* Wrapper del logo para tooltip */
    .hero-logo-wrap {
      position: relative;
      display: inline-block;
    }
    .hero-logo-img {
      height: 115px;
      width: auto;
      max-width: 340px;
      display: block;
      background: rgba(255,255,255,0.94);
      padding: 10px 20px;
      border-radius: var(--radius-sm);
      object-fit: contain;
      transition: var(--transition);
      cursor: default;
    }
    .hero-logo-img:hover { background: rgba(255,255,255,1); transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0,0,0,.25); }

    /* Tooltip */
    .hero-logo-wrap .tooltip {
      position: absolute;
      bottom: calc(100% + 10px);
      left: 50%;
      transform: translateX(-50%) translateY(4px);
      background: rgba(15,23,42,.92);
      color: #fff;
      font-size: .78rem;
      font-weight: 600;
      white-space: nowrap;
      padding: 7px 14px;
      border-radius: var(--radius-sm);
      pointer-events: none;
      opacity: 0;
      transition: opacity .2s ease, transform .2s ease;
      backdrop-filter: blur(6px);
      z-index: 10;
    }
    /* Flecha del tooltip */
    .hero-logo-wrap .tooltip::after {
      content: '';
      position: absolute;
      top: 100%;
      left: 50%;
      transform: translateX(-50%);
      border: 5px solid transparent;
      border-top-color: rgba(15,23,42,.92);
    }
    .hero-logo-wrap:hover .tooltip {
      opacity: 1;
      transform: translateX(-50%) translateY(0);
    }

    /* ===================================================
       SECCIÓN: QUIÉNES SOMOS (BANDA)
    =================================================== */
    .mission-band {
      background: linear-gradient(90deg, var(--red) 0%, #a8192b 100%);
      padding: 44px 0;
    }
    .mission-band-inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 28px;
      display: flex;
      align-items: flex-start;
      gap: 28px;
    }
    .mission-icon {
      flex-shrink: 0;
      width: 60px; height: 60px;
      background: rgba(255,255,255,.18);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.6rem;
      color: var(--white);
    }
    .mission-band h2 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 8px;
    }
    .mission-band p {
      color: rgba(255,255,255,.87);
      font-size: .98rem;
      line-height: 1.65;
      max-width: 720px;
    }
    .mission-band-link {
      margin-left: auto;
      flex-shrink: 0;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 22px;
      background: rgba(255,255,255,.18);
      border: 1px solid rgba(255,255,255,.35);
      color: var(--white);
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: .875rem;
      white-space: nowrap;
      transition: var(--transition);
    }
    .mission-band-link:hover { background: rgba(255,255,255,.3); }

    /* ===================================================
       SECCIÓN: SERVICIOS
    =================================================== */
    .services-section { padding: 100px 0; background: var(--gray-50); }
    .section-wrap { max-width: 1200px; margin: 0 auto; padding: 0 28px; }
    .section-header { margin-bottom: 60px; }
    .section-tag {
      display: inline-block;
      font-size: .72rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: .14em;
      color: var(--red);
      margin-bottom: 12px;
    }
    .section-title {
      font-size: clamp(1.6rem, 3.2vw, 2.4rem);
      font-weight: 800;
      color: var(--navy);
      line-height: 1.18;
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--gray-600);
      max-width: 580px;
      line-height: 1.7;
    }
    .section-desc--wide { max-width: 100%; }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 32px;
    }
    .service-card {
      background: var(--white);
      border-radius: var(--radius-lg);
      padding: 44px 36px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--gray-200);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); border-color: transparent; }

    .svc-icon {
      width: 68px; height: 68px;
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.8rem;
      margin-bottom: 28px;
    }
    .svc-icon.navy { background: var(--navy-light); color: var(--navy); }
    .svc-icon.red  { background: var(--red-light); color: var(--red); }

    .service-card h3 {
      font-size: 1.22rem;
      font-weight: 700;
      color: var(--navy);
      margin-bottom: 14px;
    }
    .service-card p {
      color: var(--gray-600);
      line-height: 1.72;
      margin-bottom: 32px;
      flex: 1;
    }
    .btn-card {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 26px;
      background: var(--navy);
      color: var(--white);
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: .9rem;
      transition: var(--transition);
      align-self: flex-start;
    }
    .btn-card:hover { background: var(--navy-dark); transform: translateX(4px); }
    .btn-card .fa { transition: var(--transition); }
    .btn-card:hover .fa { transform: translateX(4px); }

    /* ===================================================
       SECCIÓN: CUADRÍCULA PLATINUM
    =================================================== */
    .platinum-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 40px;
    }
    .platinum-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      gap: 14px;
      background: var(--white);
      border: 1px solid var(--gray-200);
      border-radius: var(--radius-md);
      padding: 28px 18px;
      transition: var(--transition);
    }
    .platinum-item:hover {
      border-color: var(--navy);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .plat-icon {
      width: 52px; height: 52px;
      background: var(--navy-light);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-size: 1.3rem;
      color: var(--navy);
      flex-shrink: 0;
    }
    .platinum-item p {
      font-size: .85rem;
      color: var(--gray-600);
      line-height: 1.55;
      margin: 0;
    }

    .platinum-closing {
      display: flex;
      align-items: flex-start;
      gap: 18px;
      background: var(--navy);
      color: rgba(255,255,255,.9);
      border-radius: var(--radius-md);
      padding: 28px 32px;
      margin-bottom: 60px;
    }
    .platinum-closing-star {
      color: #fbbf24;
      font-size: 1.3rem;
      flex-shrink: 0;
      margin-top: 2px;
    }
    .platinum-closing p {
      font-size: .97rem;
      line-height: 1.7;
      margin: 0;
    }
    .platinum-closing strong { color: #fbbf24; }

    .plat-programs-label {
      font-size: .72rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: .12em;
      color: var(--gray-400);
      text-align: center;
      margin-bottom: 28px;
    }

    /* ===================================================
       PIE DE PÁGINA
    =================================================== */
    footer {
      background: var(--gray-900);
      color: var(--white);
      padding: 80px 0 32px;
    }
    .footer-inner { max-width: 1200px; margin: 0 auto; padding: 0 28px; }
    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 56px;
      margin-bottom: 64px;
    }

    .footer-logo { margin-bottom: 20px; }
    .footer-logo {
      display: inline-block;
      background: rgba(255,255,255,0.95);
      padding: 10px 16px;
      border-radius: var(--radius-sm);
      margin-bottom: 20px;
    }
    .footer-logo img { height: 44px; width: auto; display: block; }

    .footer-col {
      display: flex;
      flex-direction: column;
    }
    .footer-col .footer-btn { margin-top: auto; }

    .footer-col h4 {
      font-size: .72rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: .14em;
      color: var(--gray-400);
      margin-bottom: 20px;
      padding-bottom: 12px;
      border-bottom: 1px solid rgba(255,255,255,.1);
    }
    .footer-col p {
      color: rgba(255,255,255,.65);
      font-size: .9rem;
      line-height: 1.72;
      margin-bottom: 20px;
    }
    .footer-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 11px 22px;
      background: var(--navy);
      color: var(--white);
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: .875rem;
      transition: var(--transition);
      margin-bottom: 24px;
    }
    .footer-btn:hover { background: #1e40af; }
    .footer-btn.red-btn { background: var(--red); }
    .footer-btn.red-btn:hover { background: var(--red-dark); }

    .social-row {
      display: flex;
      gap: 12px;
      margin-top: 8px;
      margin-bottom: 20px;
    }
    .social-btn {
      width: 40px; height: 40px;
      background: rgba(255,255,255,.09);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--white);
      font-size: .95rem;
      transition: var(--transition);
    }
    .social-btn:hover { background: var(--navy); transform: translateY(-2px); }

    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,.08);
      padding-top: 28px;
      text-align: center;
      color: rgba(255,255,255,.38);
      font-size: .82rem;
    }

    /* ===================================================
       RESPONSIVE
    =================================================== */
    @media (max-width: 960px) {
      .footer-top { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .nav-toggle  { display: flex; }
      .nav-links   {
        display: none;
        position: absolute;
        top: 100%; left: 0; right: 0;
        height: calc(100vh - 72px);
        background: rgba(255,255,255,.98);
        flex-direction: column;
        align-items: stretch;
        padding: 24px 20px;
        gap: 8px;
        overflow-y: auto;
      }
      .nav-links.open   { display: flex; }
      .nav-link         { font-size: 1.25rem; width: 100%; padding: 18px 22px; border-radius: var(--radius-sm); }
      .nav-cta          { width: 100%; margin-left: 0; text-align: center; display: block; padding: 18px 22px; margin-top: 8px; font-size: 1.25rem; }

      .hero-content     { padding: 60px 24px 100px; grid-template-columns: 1fr; }
      .hero h1          { font-size: 2.1rem; }
      .hero-logos       { margin-top: 36px; gap: 20px; }
      .hero-logo-img    { height: 85px; max-width: 220px; }
      .hero-platinum    { max-width: 100%; }

      .mission-band-inner { flex-direction: column; }
      .mission-band-link  { margin-left: 0; }

      .services-section { padding: 72px 0; }
      .services-grid    { grid-template-columns: 1fr; gap: 24px; }
      .service-card     { padding: 36px 28px; }
      .platinum-grid    { grid-template-columns: repeat(2, 1fr); gap: 14px; }
      .platinum-closing { flex-direction: column; gap: 12px; padding: 24px 20px; }

      .footer-top  { grid-template-columns: 1fr; gap: 40px; }
      footer       { padding: 64px 0 28px; }
    }
    @media (max-width: 480px) {
      .hero-actions  { flex-direction: column; }
      .btn-primary, .btn-outline { justify-content: center; }
      .mission-icon  { display: none; }
    }

    /* ===================================================
       ANIMACIÓN DE ENTRADA
    =================================================== */
    .fade-up {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .fade-up.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ===================================================
       TESTIMONIOS
    =================================================== */
    .testi {
      padding: 88px 0;
      background: var(--gray-50);
      border-top: 1px solid var(--gray-200);
    }

    .testi-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      margin-top: 48px;
    }

    .testi-card {
      background: var(--white);
      border: 1px solid var(--gray-200);
      border-radius: var(--radius-md);
      padding: 36px 32px 32px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      gap: 20px;
      transition: var(--transition);
      position: relative;
    }
    .testi-card::before {
      content: '\201C';
      position: absolute;
      top: 20px;
      right: 28px;
      font-size: 5rem;
      line-height: 1;
      color: var(--navy-light);
      font-family: Georgia, serif;
      pointer-events: none;
    }
    .testi-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
      border-color: var(--navy-light);
    }

    .testi-stars {
      display: flex;
      gap: 4px;
    }
    .testi-stars .fa {
      color: #f59e0b;
      font-size: 1rem;
    }

    .testi-quote {
      font-size: .97rem;
      line-height: 1.75;
      color: var(--gray-600);
      flex: 1;
      font-style: italic;
    }

    .testi-author {
      display: flex;
      align-items: center;
      gap: 14px;
      padding-top: 20px;
      border-top: 1px solid var(--gray-200);
    }

    .testi-avatar {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      object-fit: cover;
      object-position: top;
      border: 2px solid var(--navy-light);
      flex-shrink: 0;
    }

    .testi-info {
      display: flex;
      flex-direction: column;
      gap: 3px;
    }
    .testi-name {
      font-size: .95rem;
      font-weight: 700;
      color: var(--gray-800);
    }
    .testi-role {
      font-size: .82rem;
      color: var(--gray-400);
      font-weight: 500;
    }

    @media (max-width: 960px) {
      .testi-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 640px) {
      .testi-grid { grid-template-columns: 1fr; gap: 20px; }
      .testi-card { padding: 28px 24px 24px; }
    }