.alertas-section {
    position: relative;
    padding: 110px 0;
    background: linear-gradient(180deg, #f8f3ef 0%, #f3ebe4 52%, #efe5dd 100%);
    overflow: hidden;
    isolation: isolate;
  }
  
  .alertas-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
  }
  
  .alertas-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 1;
    filter: blur(1px);
    transform: scale(1.08);
  }
  
  .alertas-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
      linear-gradient(180deg, rgba(248, 243, 239, 0.88) 0%, rgba(243, 235, 228, 0.82) 100%),
      radial-gradient(circle at top left, rgba(157, 110, 90, 0.08), transparent 24%),
      radial-gradient(circle at bottom right, rgba(157, 113, 100, 0.06), transparent 22%);
  }
  
  .alertas-shell {
    position: relative;
    z-index: 2;
    width: min(100% - 40px, 1200px);
    margin-inline: auto;
  }
  
  .alertas-header {
    max-width: 780px;
    margin-bottom: 40px;
  }
  
  .alertas-kicker {
    display: inline-block;
    margin-bottom: 12px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--terracota-dark);
  }
  
  .alertas-header h2 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4vw, 3.3rem);
    line-height: 0.95;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-bottom: 16px;
  }
  
  .alertas-intro {
    font-size: 1.04rem;
    line-height: 1.8;
    color: var(--text-soft);
    max-width: 720px;
  }
  
  .alertas-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 18px;
    margin-bottom: 34px;
  }
  
  .alerta-card {
    grid-column: span 3;
    position: relative;
    padding: 24px 22px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.52);
    border: 1px solid rgba(157, 110, 90, 0.10);
    backdrop-filter: blur(8px);
    box-shadow: 0 14px 34px rgba(80, 51, 40, 0.06);
    transition:
      transform 0.35s ease,
      background 0.35s ease,
      border-color 0.35s ease,
      box-shadow 0.35s ease;
  }
  
  .alerta-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(
      180deg,
      rgba(255,255,255,0.22) 0%,
      rgba(255,255,255,0) 100%
    );
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
  }
  
  .alerta-card:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.68);
    border-color: rgba(157, 110, 90, 0.18);
    box-shadow: 0 22px 42px rgba(80, 51, 40, 0.10);
  }
  
  .alerta-card:hover::before {
    opacity: 1;
  }
  
  .alerta-card h3 {
    font-size: 1.06rem;
    line-height: 1.3;
    color: var(--text);
    margin-bottom: 10px;
  }
  
  .alerta-card p {
    font-size: 0.94rem;
    line-height: 1.7;
    color: var(--text-soft);
  }
  
  .alertas-note {
    padding: 28px 30px;
    box-shadow: 0 14px 34px rgba(80, 51, 40, 0.05);
  }
  
  .alertas-note p {
    font-size: 1rem;
    line-height: 1.85;
    color: var(--text-soft);
  }
  
  @media (max-width: 980px) {
    .alertas-section {
      padding: 84px 0;
    }
  
    .alertas-shell {
      width: min(100% - 28px, 1200px);
    }
  
    .alertas-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  
    .alerta-card {
      grid-column: auto;
    }
  }
  
  @media (max-width: 640px) {
    .alertas-header {
      margin-bottom: 28px;
    }
  
    .alertas-header h2 {
      font-size: clamp(1.95rem, 8vw, 2.5rem);
    }
  
    .alertas-intro,
    .alerta-card p,
    .alertas-note p {
      font-size: 0.95rem;
      line-height: 1.7;
    }
  
    .alertas-grid {
      grid-template-columns: 1fr;
    }
  
    .alerta-card,
    .alertas-note {
      padding: 22px;
      border-radius: 20px;
    }
  }