:root{
    --navy: #10233F;
    --blue: #1B4B8F;
    --green: #2FA84F;
    --green-dark: #22803D;
    --gold: #F0A93B;
    --orange: #E8792C;
    --bg: #F6F9FC;
    --line: rgba(16,35,63,0.10);
    --text-soft: rgba(16,35,63,0.68);
  }

  *{ box-sizing:border-box; }

  body{
    margin:0;
    background: var(--bg);
    color: var(--navy);
    font-family:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height:1.6;
  }

  @media (prefers-reduced-motion: reduce){
    *{ animation:none !important; transition:none !important; }
  }

  html[data-lang="es"] .lang-en{ display:none; }
  html[data-lang="en"] .lang-es{ display:none; }

  /* ---------- SECCIÓN 3: HEADER ---------- */
  header{
    max-width: 760px;
    margin: 0 auto;
    padding: 1.8rem 2rem 0 2rem;
    display:flex;
    justify-content:space-between;
    align-items:center;
  }

  header a.home-link{
    display:flex;
    align-items:center;
    gap:0.6rem;
    text-decoration:none;
    color: var(--navy);
    font-family:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-weight:700;
    font-size:1.05rem;
  }

  header a.home-link img{
    height: 34px;
    width:auto;
  }

  .lang-toggle{
    display:inline-flex;
    background:white;
    border:1px solid var(--line);
    border-radius:999px;
    padding:4px;
    box-shadow: 0 4px 14px rgba(16,35,63,0.05);
  }

  .lang-toggle button{
    font-family:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-weight:600;
    font-size:0.78rem;
    letter-spacing:0.04em;
    border:none;
    background:transparent;
    color: rgba(16,35,63,0.5);
    padding: 0.5rem 1.1rem;
    border-radius:999px;
    cursor:pointer;
  }

  .lang-toggle button.active{
    background: var(--navy);
    color:white;
  }

  /* ---------- SECCIÓN 4: BREADCRUMB ---------- */
  .breadcrumb{
    max-width: 760px;
    margin: 1.4rem auto 0 auto;
    padding: 0 2rem;
    font-size:0.85rem;
    color: var(--text-soft);
  }

  .breadcrumb a{ color: var(--blue); text-decoration:none; }
  .breadcrumb a:hover{ text-decoration:underline; }

  /* ---------- SECCIÓN 5: ARTÍCULO ---------- */
  article{
    max-width: 760px;
    margin: 0 auto;
    padding: 1.5rem 2rem 4rem 2rem;
  }

  .eyebrow{
    font-weight:600;
    font-size:0.8rem;
    letter-spacing:0.1em;
    text-transform:uppercase;
    color: var(--green-dark);
    margin-bottom:0.8rem;
  }

  h1{
    font-family:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-weight:700;
    font-size: clamp(1.7rem, 4vw, 2.3rem);
    line-height:1.2;
    margin: 0 0 1.6rem 0;
  }

  article h2{
    font-family:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-weight:700;
    font-size: 1.3rem;
    margin: 2.2rem 0 0.8rem 0;
  }

  article p{
    font-size:1.02rem;
    color: rgba(16,35,63,0.82);
    margin: 0 0 1rem 0;
  }

  article strong{ color: var(--navy); }

  .compare-table{
    width:100%;
    border-collapse:collapse;
    margin: 1.5rem 0;
    background:white;
    border-radius: 12px;
    overflow:hidden;
    box-shadow: 0 6px 20px rgba(16,35,63,0.06);
  }

  .compare-table th, .compare-table td{
    padding: 0.9rem 1.1rem;
    text-align:left;
    font-size:0.92rem;
    border-bottom: 1px solid var(--line);
  }

  .compare-table th{
    background: var(--navy);
    color:white;
    font-weight:600;
  }

  .compare-table tr:last-child td{ border-bottom:none; }

  .cta-box{
    margin-top: 2.5rem;
    background:white;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 1.6rem 1.8rem;
    box-shadow: 0 8px 26px rgba(16,35,63,0.06);
  }

  .cta-box p{ margin-bottom:1rem; }

  .cta-box a.cta-btn{
    display:inline-block;
    background: var(--green);
    color:white;
    font-weight:600;
    font-size:0.92rem;
    text-decoration:none;
    padding: 0.75rem 1.4rem;
    border-radius: 999px;
  }

  footer{
    max-width:760px;
    margin:0 auto;
    padding: 0 2rem 3rem 2rem;
    font-size:0.82rem;
    color: rgba(16,35,63,0.45);
    text-align:center;
  }

  footer a{ color: var(--blue); text-decoration:none; }

  @media (max-width: 600px){
    header{ flex-direction:column; gap:1rem; align-items:flex-start; }
  }

  .affiliate-disclosure {
    background: #EEF4FF;
    border-left: 4px solid #1B4B8F;
    padding: 0.7rem 1rem;
    border-radius: 0 8px 8px 0;
    font-size: 0.88rem;
    color: #10233F;
    margin-bottom: 1.5rem;
  }
  .affiliate-disclosure a { color: #1B4B8F; }