/* ─── casos-de-negocio.css ─── */
  /* ─── PAGE HERO ─── */
  .page-hero {
    background: linear-gradient(135deg, #1254B0 0%, #1B6FE4 50%, #18A558 100%);
    padding: 100px 48px 96px;
    text-align: center; position: relative; overflow: hidden;
  }
  .page-hero::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle 700px at -8% 50%, rgba(255,255,255,0.09) 0%, transparent 65%),
                radial-gradient(circle 600px at 108% 50%, rgba(255,255,255,0.09) 0%, transparent 65%);
    pointer-events: none;
  }
  .page-label {
    display: inline-flex; align-items: center; gap: 7px;
    font-size: 11px; font-weight: 700; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--green); margin-bottom: 20px;
  }
  .page-hero h1 {
    font-size: 58px; font-weight: 800; color: #fff;
    letter-spacing: -2px; line-height: 1.08;
    margin-bottom: 20px; max-width: 700px; margin-left: auto; margin-right: auto;
  }
  .page-hero h1 span { color: var(--green); }
  .page-hero p {
    font-size: 17px; color: rgba(255,255,255,0.75);
    max-width: 520px; margin: 0 auto; line-height: 1.65;
  }

  /* ─── SECTIONS ─── */
  .section { padding: 80px 48px; }
  .section-alt { background: var(--bg-light); }
  .section-inner { max-width: 1100px; margin: 0 auto; }
  .section-label-sm {
    display: inline-flex; align-items: center; gap: 7px;
    font-size: 11px; font-weight: 700; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--blue); margin-bottom: 14px;
  }
  .section-h2 {
    font-size: 44px; font-weight: 800; color: var(--gray-text);
    letter-spacing: -1.5px; line-height: 1.1; margin-bottom: 16px;
  }
  .section-subtitle {
    font-size: 16px; color: var(--gray-body);
    max-width: 560px; line-height: 1.65; margin-bottom: 56px;
  }

  /* ─── FILTRO INDUSTRIA ─── */
  .filter-bar {
    display: flex; gap: 8px; flex-wrap: wrap;
    margin-bottom: 48px;
  }
  .filter-btn {
    padding: 8px 20px; border-radius: 100px;
    font-size: 13px; font-weight: 700; font-family: inherit;
    border: 1.5px solid #dde3ee; background: #fff; color: #555;
    cursor: pointer; transition: all 0.2s;
  }
  .filter-btn:hover, .filter-btn.active {
    background: var(--blue); color: #fff; border-color: var(--blue);
  }

  /* ─── CASO CARD ─── */
  .casos-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
    margin-bottom: 64px;
  }
  .caso-card {
    background: #fff; border-radius: 20px;
    border-top: 4px solid var(--blue);
    box-shadow: 0 4px 24px rgba(27,111,228,0.08);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex; flex-direction: column;
  }
  .caso-card:nth-child(even) {
    border-top-color: var(--green);
    box-shadow: 0 4px 24px rgba(61,220,132,0.1);
  }
  .caso-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(27,111,228,0.14); }
  .caso-card:nth-child(even):hover { box-shadow: 0 12px 40px rgba(61,220,132,0.18); }
  .caso-logo-wrap {
    background: var(--bg-light);
    padding: 28px 32px; display: flex; align-items: center; justify-content: center;
    min-height: 100px;
  }
  .caso-logo { max-height: 44px; max-width: 160px; object-fit: contain; display: block; }
  .caso-body { padding: 28px; flex: 1; display: flex; flex-direction: column; gap: 16px; }
  .caso-industria {
    display: inline-flex; align-items: center; gap: 5px;
    font-size: 10px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--blue); background: rgba(27,111,228,0.08);
    padding: 4px 12px; border-radius: 100px;
  }
  .caso-card:nth-child(even) .caso-industria {
    color: var(--green-dark); background: rgba(61,220,132,0.1);
  }
  .caso-body h3 { font-size: 18px; font-weight: 800; color: var(--gray-text); line-height: 1.3; }
  .caso-reto-result {
    display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: auto;
  }
  .caso-item label {
    display: block; font-size: 9.5px; font-weight: 800; letter-spacing: 0.1em;
    text-transform: uppercase; color: #aab; margin-bottom: 4px;
  }
  .caso-item p { font-size: 13px; color: var(--gray-body); line-height: 1.5; }
  .caso-result-num {
    font-size: 28px; font-weight: 800; color: var(--blue); letter-spacing: -0.5px;
  }
  .caso-card:nth-child(even) .caso-result-num { color: var(--green-dark); }
  .caso-result-label { font-size: 12px; color: var(--gray-body); line-height: 1.4; }

  /* ─── TESTIMONIO ─── */
  .testimonios-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
  }
  .testimonio-card {
    background: #fff; border-radius: 20px; padding: 36px;
    box-shadow: 0 4px 24px rgba(27,111,228,0.07);
    border: 1px solid #e8edf5;
    position: relative;
  }
  .testimonio-card::before {
    content: '"';
    position: absolute; top: 20px; left: 28px;
    font-size: 80px; font-weight: 900; color: var(--blue);
    opacity: 0.12; line-height: 1; font-family: Georgia, serif;
  }
  .testimonio-card p {
    font-size: 15px; color: #444; line-height: 1.75;
    font-style: italic; margin-bottom: 24px; position: relative;
  }
  .testimonio-autor { display: flex; align-items: center; gap: 12px; }
  .testimonio-avatar {
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--bg-light); display: flex; align-items: center; justify-content: center;
    font-size: 20px; flex-shrink: 0;
  }
  .testimonio-autor h4 { font-size: 14px; font-weight: 800; color: var(--gray-text); }
  .testimonio-autor span { font-size: 12.5px; color: var(--blue); font-weight: 600; }

  /* ─── CTA ─── */
  .cta-band {
    background: linear-gradient(135deg, #1254B0 0%, #1B6FE4 50%, #18A558 100%);
    padding: 96px 48px; text-align: center; position: relative; overflow: hidden;
  }
  .cta-band::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle 700px at -8% 50%, rgba(255,255,255,0.1) 0%, transparent 65%),
                radial-gradient(circle 600px at 108% 50%, rgba(255,255,255,0.1) 0%, transparent 65%);
    pointer-events: none;
  }
  .cta-band h2 {
    font-size: 46px; font-weight: 800; color: #fff;
    letter-spacing: -1.5px; line-height: 1.15; margin-bottom: 32px; position: relative;
  }
  .cta-band h2 span { color: var(--green); }
  .cta-buttons { display: flex; gap: 14px; justify-content: center; position: relative; }
  .btn-outline-white {
    background: transparent; color: #fff;
    border: 1.5px solid rgba(255,255,255,0.55);
    border-radius: 10px; padding: 13px 26px; font-size: 14.5px; font-weight: 600;
    cursor: pointer; text-decoration: none; display: inline-block; transition: all 0.2s;
  }
  .btn-outline-white:hover { background: rgba(255,255,255,0.1); }

  @media (max-width: 1024px) { .casos-grid { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 900px) {
    .page-hero h1 { font-size: 40px; }
    .section-h2 { font-size: 34px; }
    .navbar { padding: 0 20px; }
    .nav-links { display: none; }
    .section { padding: 64px 24px; }
    .testimonios-grid { grid-template-columns: 1fr; }
  }
  @media (max-width: 640px) { .casos-grid { grid-template-columns: 1fr; } }


  /* ─── CASOS DE NEGOCIO — RESPONSIVE ─── */
  @media (max-width: 640px) {
    .page-hero { padding: 64px 20px 72px; }
    .page-hero h1 { font-size: 30px; letter-spacing: -1px; }
    .page-hero p { font-size: 15px; }
    .section { padding: 56px 20px; }
    .section-h2 { font-size: 28px; letter-spacing: -0.5px; }
    .section-subtitle { font-size: 14px; margin-bottom: 36px; }
    .filter-btn { padding: 7px 14px; font-size: 12px; }
    .caso-body { padding: 20px 18px; }
    .caso-reto-result { grid-template-columns: 1fr; gap: 8px; }
    .caso-result-num { font-size: 24px; }
    .caso-body h3 { font-size: 16px; }
  }
  @media (max-width: 390px) {
    .page-hero h1 { font-size: 26px; }
  }