/* =========================
       Variables
    ========================= */
    :root {
      --primary: #1f7a5b;
      --secondary: #0f3d2e;
      --accent: #e6f4ef;
      --text: #1f2933;
      --muted: #6b7280;
      --white: #ffffff;
      --max-width: 1200px;
    }

    *, *::before, *::after { box-sizing: border-box; }

    body {
      margin: 0;
      font-family: 'Inter', system-ui, sans-serif;
      color: var(--text);
      background: var(--white);
      line-height: 1.6;
    }

    img { max-width: 100%; display: block; }
    a { text-decoration: none; color: inherit; }

    h1, h2, h3 { line-height: 1.25; }

    /* =========================
       Layout
    ========================= */
    .container {
      max-width: var(--max-width);
      margin-inline: auto;
      padding-inline: 1rem;
    }

    section { padding: 5rem 0; }

    section[data-bg="muted"] { background: var(--accent); }

    /* =========================
       Header & Nav
    ========================= */
    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: var(--white);
      border-bottom: 1px solid #e5e7eb;
    }

    .nav {
      height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-weight: 700;
      color: var(--primary);
    }

    .brand img { height: 44px; }

    .menu {
      display: flex;
      gap: 2rem;
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .menu a { font-weight: 500; color: var(--secondary); }

    .hamburger {
      display: none;
      font-size: 1.5rem;
      background: none;
      border: none;
    }

    .btn {
      padding: 0.75rem 1.5rem;
      border-radius: 0.5rem;
      font-weight: 600;
      display: inline-block;
      transition: all 0.2s ease;
    }

    .btn-primary {
      background: var(--primary);
      color: var(--white);
    }

    .btn-primary:hover { background: var(--secondary); }

    /* =========================
       Hero Carousel
    ========================= */
    .hero {
      position: relative;
      min-height: 90vh;
      color: var(--white);
      overflow: hidden;
    }

    .slides {
      position: absolute;
      inset: 0;
    }

    .slide {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      opacity: 0;
      transition: opacity 1s ease;
    }

    .slide.active { opacity: 1; }

    .hero-content {
      position: relative;
      z-index: 2;
      height: 90vh;
      display: grid;
      place-items: center;
      text-align: center;
      background: linear-gradient(rgba(15,61,46,.75), rgba(15,61,46,.75));
    }

    .hero h1 {
      font-size: clamp(2rem, 5vw, 3.5rem);
      margin-bottom: 1rem;
    }

    .hero p {
      max-width: 720px;
      margin-inline: auto;
      margin-bottom: 2rem;
      color: #e5e7eb;
    }

    /* logo */
    .footer-logo {
  max-width: 150px;   /* ajusta según tu diseño */
  height: auto;
  display: block;
  margin-bottom: 10px;
}
.footer-regulators {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  margin-top: 40px;
  padding-top: 30px;
  text-align: center;
}

.regulators-title {
  font-size: 0.9rem;
  opacity: 0.85;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.regulators-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 35px;
  flex-wrap: wrap;
}

.regulators-logos img {
  max-height: 45px;
  filter: grayscale(100%) brightness(1.2);
  opacity: 0.8;
  transition: all 0.3s ease;
}

.regulators-logos img:hover {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.05);
}

/* Responsive */
@media (max-width: 768px) {
  .regulators-logos {
    gap: 20px;
  }

  .regulators-logos img {
    max-height: 38px;
  }
}

    /* =========================
       Cards / Grid
    ========================= */
    .grid { display: grid; gap: 2rem; }

    @media (min-width: 768px) {
      .grid-4 { grid-template-columns: repeat(4, 1fr); }
      .grid-3 { grid-template-columns: repeat(3, 1fr); }
    }

    .card {
      background: var(--white);
      padding: 2rem;
      border-radius: 1rem;
      box-shadow: 0 10px 30px rgba(0,0,0,.05);
    }

    .card i {
      font-size: 2rem;
      color: var(--primary);
      margin-bottom: 1rem;
    }

    /* =========================
       Contact
    ========================= */
    .contact-grid {
      display: grid;
      gap: 2rem;
    }

    @media (min-width: 768px) {
      .contact-grid { grid-template-columns: 1fr 1fr; }
    }

    iframe {
      width: 100%;
      border: 0;
      border-radius: 1rem;
      height: 100%;
      min-height: 300px;
    }

    /* =========================
       Footer
    ========================= */
    footer {
      background: var(--secondary);
      color: var(--white);
      padding: 4rem 0 2rem;
    }

    .footer-grid {
      display: grid;
      gap: 2rem;
    }

    @media (min-width: 768px) {
      .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
    }

    .footer-bottom {
      margin-top: 2rem;
      padding-top: 1.5rem;
      border-top: 1px solid rgba(255,255,255,.2);
      text-align: center;
      font-size: .9rem;
    }

    /* =========================
       WhatsApp Button
    ========================= */
    .whatsapp {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background: #25D366;
      color: white;
      width: 56px;
      height: 56px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      font-size: 1.8rem;
      z-index: 2000;
      box-shadow: 0 10px 20px rgba(0,0,0,.2);
    }

    /* =========================
       Responsive Menu
    ========================= */
    @media (max-width: 768px) {
      .menu {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        display: none;
        padding: 1.5rem;
        gap: 1.2rem;
      }

      .menu.active { display: flex; }
      .hamburger { display: block; }
    }