/* ══════════════════════════════════════════
       SISTEMA DE DISEÑO
    ══════════════════════════════════════════ */
    :root {
      --primary:      #0E4D6E;
      --accent:       #E85D3F;
      --bg:           #FFFFFF;
      --text-dark:    #1A1A2E;
      --text-body:    #5A667A;
      --text-muted:   #9AA3AF;
      --brand-light:  #EAF4FB;
      --border-light: #F0F4F8;
      --shadow-soft:  0 12px 40px rgba(14, 77, 110, 0.06);
      --shadow-float: drop-shadow(0 20px 40px rgba(14, 77, 110, 0.12));
    }

    /* ══════════════════════════════════════════
       RESET Y BASE
    ══════════════════════════════════════════ */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-size: 16px; }
    body {
      font-family: 'Inter', sans-serif;
      color: var(--text-body);
      background: var(--bg);
      line-height: 1.7;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { text-decoration: none; color: inherit; }
    ul { list-style: none; }

    h1, h2, h3, h4 {
      font-family: 'Fredoka One', cursive;
      color: var(--primary);
      font-weight: 400;
      line-height: 1.15;
      letter-spacing: 0.5px;
    }
    h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
    h2 { font-size: clamp(1.9rem, 3.5vw, 2.8rem); }
    h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
    p  { margin-bottom: 1.5rem; font-size: 1.05rem; }

    /* ══════════════════════════════════════════
       LAYOUT
    ══════════════════════════════════════════ */
    .container    { max-width: 1200px; margin: 0 auto; padding: 0 5%; }
    .section      { padding: 130px 0; }
    .section-header { text-align: center; margin-bottom: 80px; }
    .section-header h2 { margin-bottom: 16px; }
    .section-header p  { max-width: 600px; margin: 0 auto; }

    .accent-line {
      display: inline-block;
      width: 40px; height: 3px;
      background: var(--accent);
      border-radius: 2px;
      margin-bottom: 20px;
    }

    /* ══════════════════════════════════════════
       BOTONES
    ══════════════════════════════════════════ */
    .btn {
      display: inline-flex; align-items: center; justify-content: center;
      gap: 10px; padding: 16px 36px; border-radius: 50px;
      font-family: 'Inter', sans-serif; font-weight: 600; font-size: 1rem;
      cursor: pointer; transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
      border: 2px solid transparent;
    }
    .btn-cta {
      background: var(--accent); color: #fff;
      box-shadow: 0 8px 20px rgba(232, 93, 63, 0.25);
    }
    .btn-cta:hover {
      transform: translateY(-3px);
      box-shadow: 0 14px 28px rgba(232, 93, 63, 0.35);
    }
    .btn-outline {
      background: transparent; color: var(--primary);
      border-color: var(--primary);
    }
    .btn-outline:hover { background: var(--primary); color: #fff; }

    /* ══════════════════════════════════════════
       NAVBAR
    ══════════════════════════════════════════ */
    .navbar {
      position: fixed; top: 0; width: 100%; z-index: 1000;
      background: rgba(255, 255, 255, 0.97);
      backdrop-filter: blur(16px);
      padding: 18px 0;
      transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
      border-bottom: 1px solid transparent;
    }
    .navbar.scrolled {
      padding: 10px 0;
      border-bottom-color: var(--border-light);
      box-shadow: 0 4px 24px rgba(14, 77, 110, 0.06);
    }
    .nav-inner {
      display: flex; align-items: center; justify-content: space-between;
      position: relative;
    }
    .nav-logo img {
      height: 72px; width: auto;
      transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .navbar.scrolled .nav-logo img { height: 50px; }

    .nav-links {
      display: flex; gap: 46px;
      position: absolute; left: 50%; transform: translateX(-50%);
    }
    .nav-links a {
      font-size: 0.95rem; font-weight: 600;
      color: var(--primary); letter-spacing: 0.5px;
      transition: color 0.25s ease, transform 0.25s ease;
      opacity: 0.85; position: relative;
    }
    .nav-links a::after {
      content: ''; position: absolute; bottom: -4px; left: 0;
      width: 0; height: 2px; background: var(--accent);
      border-radius: 2px; transition: width 0.3s ease;
    }
    .nav-links a:hover { color: var(--accent); opacity: 1; }
    .nav-links a:hover::after { width: 100%; }

    /* Hamburger */
    .nav-hamburger {
      display: none;
      flex-direction: column; gap: 5px;
      cursor: pointer; padding: 6px;
      background: none; border: none;
      z-index: 1010;
    }
    .nav-hamburger span {
      display: block; width: 26px; height: 2px;
      background: var(--primary); border-radius: 2px;
      transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
      transform-origin: center;
    }
    .nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
    .nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    /* Mobile drawer */
    .mobile-menu {
      display: none;
      position: fixed; top: 0; left: 0; right: 0; bottom: 0;
      background: rgba(255,255,255,0.98);
      backdrop-filter: blur(20px);
      z-index: 999;
      flex-direction: column; align-items: center; justify-content: center;
      gap: 40px;
      opacity: 0;
      transform: translateY(-20px);
      transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
      pointer-events: none;
    }
    .mobile-menu.open {
      display: flex; opacity: 1;
      transform: translateY(0); pointer-events: auto;
    }
    .mobile-menu a {
      font-family: 'Fredoka One', cursive;
      font-size: 2.2rem; color: var(--primary);
      transition: color 0.2s;
    }
    .mobile-menu a:hover { color: var(--accent); }
    .mobile-menu .btn { font-size: 1.1rem; margin-top: 10px; }

    /* ══════════════════════════════════════════
       HERO
    ══════════════════════════════════════════ */
    .hero {
      padding: 150px 0 80px;
      min-height: 100vh;
      display: flex; align-items: center;
    }
    .hero-grid {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 40px; align-items: center;
    }
    .hero-text h1 span {
      position: relative;
      display: inline-block;
      white-space: nowrap;
    }
    .hero-text h1 span::after {
      content: '';
      position: absolute; left: 0; bottom: -8px;
      width: 100%; height: 3px;
      background: var(--accent);
      border-radius: 2px;
      transform-origin: left;
      animation: lineReveal 0.8s 0.9s cubic-bezier(0.4, 0, 0.2, 1) both;
    }
    @keyframes lineReveal {
      from { transform: scaleX(0); }
      to   { transform: scaleX(1); }
    }
    .hero-text p { font-size: 1.15rem; max-width: 500px; margin: 30px 0 40px; }
    .hero-cta-group { display: flex; gap: 16px; flex-wrap: wrap; }

    .hero-composition {
      position: relative; height: 620px;
      display: flex; justify-content: center; align-items: center;
    }
    .hero-circle-deco {
      position: absolute;
      width: 520px; height: 520px;
      background: var(--brand-light);
      border-radius: 50%; z-index: 0;
    }
    .img-container {
      position: absolute;
      width: 580px; height: 580px;
      display: flex; align-items: flex-end; justify-content: center;
      overflow: hidden; border-radius: 30px;
      opacity: 0;
      animation: heroSequential 10s infinite;
    }
    .img-container img {
      position: relative; z-index: 2;
      width: 100%; height: 100%; object-fit: contain;
      filter: var(--shadow-float);
    }
    .img-container img:not([src]), .img-container img[src=""] { opacity: 0; }
    .container-fredy { animation-delay: 0s; }
    .container-juli  { animation-delay: 5s; }
    @keyframes heroSequential {
      0%   { opacity: 0; transform: translateY(12px) scale(0.98); }
      5%   { opacity: 1; transform: translateY(0) scale(1); }
      45%  { opacity: 1; transform: translateY(0) scale(1); }
      50%  { opacity: 0; transform: translateY(-12px) scale(0.98); }
      100% { opacity: 0; }
    }

    /* ══════════════════════════════════════════
       ANIMACIONES DE ENTRADA (SCROLL REVEAL)
    ══════════════════════════════════════════ */
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
                  transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }

    /* Hero text entrance */
    .hero-text > * { opacity: 0; animation: fadeUp 0.7s cubic-bezier(0.4,0,0.2,1) forwards; }
    .hero-text > .accent-line  { animation-delay: 0.1s; }
    .hero-text > h1            { animation-delay: 0.25s; }
    .hero-text > p             { animation-delay: 0.45s; }
    .hero-text > .hero-cta-group { animation-delay: 0.6s; }
    .hero-composition          { animation: fadeIn 1s 0.4s both; }

    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(24px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    @keyframes fadeIn {
      from { opacity: 0; }
      to   { opacity: 1; }
    }

    /* ══════════════════════════════════════════
       PILARES
    ══════════════════════════════════════════ */
    .pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
    .pillar { text-align: center; }
    .pillar-icon {
      color: var(--accent); margin-bottom: 24px;
      display: inline-flex;
      transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    }
    .pillar:hover .pillar-icon { transform: scale(1.18) rotate(-5deg); }
    .pillar h3 { margin-bottom: 12px; font-size: 1.3rem; }
    .pillar p  { font-size: 0.95rem; }

    /* ══════════════════════════════════════════
       SERVICIOS
    ══════════════════════════════════════════ */
    .services-grid {
      display: grid; grid-template-columns: repeat(3, 1fr);
      gap: 30px; margin-top: 60px;
    }
    .service-card {
      position: relative;
      background: var(--bg);
      border: 1px solid var(--border-light);
      border-radius: 24px;
      padding: 70px 30px 40px;
      text-align: center;
      transition: box-shadow 0.4s ease, border-color 0.4s ease, transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    }
    .service-card:hover {
      box-shadow: var(--shadow-soft);
      border-color: rgba(232,93,63,0.15);
      transform: translateY(-8px);
    }
    .service-img {
      position: absolute; top: -60px; left: 50%;
      transform: translateX(-50%);
      height: 120px;
      filter: var(--shadow-float);
      transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    }
    .service-card:hover .service-img { transform: translateX(-50%) scale(1.12) translateY(-4px); }
    .service-card h3 { margin-bottom: 12px; }
    .service-card p  { font-size: 0.95rem; margin-bottom: 0; }

    /* ══════════════════════════════════════════
       HISTORIA
    ══════════════════════════════════════════ */
    .story-grid {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 80px; align-items: center;
    }
    .story-img-wrapper {
      position: relative; border-radius: 30px;
      background: var(--border-light);
      overflow: hidden;
    }
    .story-img-wrapper img { border-radius: 30px; filter: var(--shadow-float); }
    .story-img-wrapper::before {
      content: '';
      position: absolute; inset: 0;
      background: linear-gradient(135deg, rgba(14,77,110,0.06), transparent 60%);
      z-index: 1; border-radius: 30px; pointer-events: none;
    }
    .story-text .accent-line { margin-bottom: 30px; }

    /* ══════════════════════════════════════════
       TESTIMONIOS
    ══════════════════════════════════════════ */
    .testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
    .testi-card {
      padding: 40px; border-radius: 24px;
      border: 1px solid var(--border-light);
      background: var(--bg);
      transition: box-shadow 0.35s ease, transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    }
    .testi-card:hover {
      box-shadow: 0 20px 50px rgba(14, 77, 110, 0.07);
      transform: translateY(-6px);
    }
    .testi-icon { color: var(--accent); margin-bottom: 20px; }
    .testi-card p { font-style: italic; color: var(--text-dark); font-size: 1rem; }
    .testi-author {
      font-family: 'Fredoka One', cursive; color: var(--primary);
      margin-top: 24px; display: block; font-size: 1.05rem;
    }

    /* Estrellas de valoración */
    .testi-stars { display: flex; gap: 4px; margin-bottom: 16px; }
    .testi-stars span { color: #F5A623; font-size: 1.1rem; }

    /* ══════════════════════════════════════════
       CTA FINAL
    ══════════════════════════════════════════ */
    .cta-final {
      text-align: center;
      padding: 100px 0;
      border-top: 1px solid var(--border-light);
      background: linear-gradient(180deg, #fff 0%, var(--brand-light) 100%);
    }
    .cta-final h2 { margin-bottom: 16px; }
    .cta-final p  { color: var(--text-body); margin-bottom: 40px; }

    /* ══════════════════════════════════════════
       FOOTER
    ══════════════════════════════════════════ */
    footer.footer-premium {
      background: #fff;
      padding: 100px 0 60px;
      border-top: 1px solid var(--border-light);
    }
    .footer-main-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr 1fr 1fr;
      gap: 60px; align-items: start;
    }
    .footer-logo-side { height: 130px; width: auto; display: block; }
    footer h4 {
      font-family: 'Fredoka One', cursive;
      font-size: 1.1rem; color: var(--primary);
      margin-bottom: 24px; font-weight: 400;
    }
    .footer-links li {
      margin-bottom: 14px;
      display: flex; align-items: center; gap: 10px;
    }
    .footer-links a {
      font-size: 0.95rem; color: var(--text-body);
      transition: color 0.2s;
    }
    .footer-links a:hover { color: var(--accent); }
    .social-icon {
      color: var(--primary); opacity: 0.8;
      display: flex; align-items: center;
    }
    .contact-item {
      display: flex; align-items: flex-start;
      gap: 12px; margin-bottom: 18px;
      font-size: 0.95rem; color: var(--text-body);
    }
    .footer-bottom {
      margin-top: 80px; padding-top: 40px;
      border-top: 1px solid var(--border-light);
      text-align: center; font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* ══════════════════════════════════════════
       WHATSAPP FLOTANTE
    ══════════════════════════════════════════ */
    .wa-float {
      position: fixed; bottom: 40px; right: 40px; z-index: 998;
      width: 64px; height: 64px;
      background: #25D366; color: white;
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      box-shadow: 0 8px 30px rgba(37, 211, 102, 0.45);
      transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275),
                  box-shadow 0.3s ease;
      animation: waPulse 3s ease-in-out infinite;
    }
    .wa-float:hover {
      transform: scale(1.12) translateY(-4px);
      animation: none;
      box-shadow: 0 14px 40px rgba(37, 211, 102, 0.6);
    }
    @keyframes waPulse {
      0%, 100% { box-shadow: 0 8px 30px rgba(37, 211, 102, 0.45); }
      50%       { box-shadow: 0 8px 46px rgba(37, 211, 102, 0.7); }
    }

    /* Tooltip WhatsApp */
    .wa-float::before {
      content: '¡Chatea con nosotros!';
      position: absolute; right: 78px; top: 50%;
      transform: translateY(-50%) translateX(10px);
      background: var(--text-dark); color: #fff;
      font-family: 'Inter', sans-serif; font-size: 0.78rem; font-weight: 500;
      padding: 7px 14px; border-radius: 30px;
      white-space: nowrap; opacity: 0;
      transition: opacity 0.3s, transform 0.3s;
      pointer-events: none;
    }
    .wa-float:hover::before {
      opacity: 1; transform: translateY(-50%) translateX(0);
    }

    /* ══════════════════════════════════════════
       COUNTER SECTION
    ══════════════════════════════════════════ */
    .stats-band {
      background: var(--primary); padding: 70px 0;
    }
    .stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; text-align: center; }
    .stat-item h3 {
      font-size: clamp(2.5rem, 5vw, 3.5rem);
      color: #fff; margin-bottom: 8px;
    }
    .stat-item p { color: rgba(255,255,255,0.7); margin: 0; font-size: 1rem; }
    .stat-accent { color: var(--accent); }

    /* ══════════════════════════════════════════
       RESPONSIVE — TABLET
    ══════════════════════════════════════════ */
    @media (max-width: 1024px) {
      .hero-grid, .story-grid {
        grid-template-columns: 1fr;
        text-align: center; gap: 40px;
      }
      .hero-text p { margin: 20px auto 40px; }
      .hero-cta-group { justify-content: center; }
      .hero-text h1 span::after { bottom: -10px; }
      .hero-composition { height: 380px; margin-top: 30px; }
      .hero-circle-deco { width: 380px; height: 380px; }
      .img-container { width: 420px; height: 420px; }

      .pillars, .services-grid, .testi-grid { grid-template-columns: repeat(2, 1fr); }
      .services-grid { margin-top: 80px; gap: 60px 30px; }
      .stats-grid { grid-template-columns: repeat(3, 1fr); }
      .footer-main-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
      .footer-logo-side { height: 90px; margin: 0 auto 30px; }
      .story-img-wrapper { max-width: 500px; margin: 0 auto; }
    }

    /* ══════════════════════════════════════════
       RESPONSIVE — MOBILE
    ══════════════════════════════════════════ */
    @media (max-width: 768px) {
      .section { padding: 80px 0; }
      h1 { font-size: 2.4rem; }

      /* Nav mobile */
      .nav-links { display: none; }
      .nav-hamburger { display: flex; }
      .nav-inner .btn { display: none; } /* ocultar btn en nav móvil */

      /* Hero móvil */
      .hero { padding: 120px 0 60px; min-height: auto; }
      .hero-grid { gap: 30px; }
      .hero-composition { height: 300px; }
      .hero-circle-deco { width: 290px; height: 290px; }
      .img-container { width: 320px; height: 320px; }
      .hero-cta-group { flex-direction: column; align-items: center; }
      .hero-cta-group .btn { width: 100%; max-width: 300px; justify-content: center; }

      /* Grids */
      .pillars { grid-template-columns: repeat(2, 1fr); gap: 30px; }
      .services-grid { grid-template-columns: 1fr; gap: 90px 0; }
      .testi-grid { grid-template-columns: 1fr; gap: 20px; }
      .stats-grid { grid-template-columns: 1fr; gap: 30px; }

      /* Footer */
      .footer-main-grid { grid-template-columns: 1fr; text-align: center; }
      .footer-logo-side { margin: 0 auto 20px; }
      .contact-item { justify-content: center; }
      .footer-links li { justify-content: center; }

      /* WA */
      .wa-float { width: 54px; height: 54px; bottom: 22px; right: 22px; }
      .wa-float::before { display: none; }
    }

    @media (max-width: 480px) {
      .pillars { grid-template-columns: 1fr; }
    }