:root {
      --color-primary: #0c3c78;
      --color-primary-light: #1669b2;
      --color-accent: #ffd54a;
      --color-bg: #f5f7fb;
      --color-white: #ffffff;
      --color-soft: #e7f3ff;
      --shadow-soft: 0 6px 15px rgba(0,0,0,0.06);
      --shadow-strong: 0 18px 45px rgba(0,0,0,0.35);
      --radius-card: 1rem;
      --container-width: 1100px;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background-color: var(--color-bg);
      color: #222;
      line-height: 1.6;
    }

    a {
      color: inherit;
    }

    /* HEADER */

    header {
      background: var(--color-primary);
      color: #fff;
      position: sticky;
      top: 0;
      z-index: 20;
    }

    .container {
      max-width: var(--container-width);
      margin: 0 auto;
      padding: 0.8rem 1.25rem;
    }

    nav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
      position: relative;
    }

    .logo-wrapper {
      display: flex;
      align-items: center;
      gap: 0.6rem;
    }

    .logo-img {
      height: 40px;
      width: auto;
      display: block;
    }

    .logo-text {
      font-weight: 700;
      font-size: 1rem;
      letter-spacing: 0.03em;
      white-space: nowrap;
    }

    /* Menú escritorio / tablet */
    .nav-right-desktop {
      display: flex;
      align-items: center;
      gap: 0.7rem;
      font-size: 0.95rem;
    }

    .nav-right-desktop a {
      color: #fff;
      text-decoration: none;
      padding: 0.2rem 0;
    }

    .nav-right-desktop a:hover {
      text-decoration: underline;
    }

    .btn {
      display: inline-block;
      padding: 0.65rem 1.3rem;
      border-radius: 999px;
      font-weight: 600;
      border: none;
      cursor: pointer;
      text-decoration: none;
      font-size: 0.95rem;
      white-space: nowrap;
    }

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

    .btn-secondary {
      background: var(--color-white);
      color: var(--color-primary);
      border: 1px solid #d0d4dd;
    }

    /* Menú móvil oculto por defecto en desktop/tablet */
    .nav-links {
      display: none;
      align-items: center;
      gap: 0.7rem;
      font-size: 0.95rem;
    }

    /* HAMBURGER (solo se ve en móvil) */

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 0.2rem;
    }

    .nav-toggle span {
      display: block;
      width: 22px;
      height: 2px;
      background: #fff;
      margin: 4px 0;
      border-radius: 999px;
      transition: 0.2s;
    }

    /* HERO */

    .hero {
      background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
      color: #fff;
      padding: 2.5rem 1.25rem 3rem;
    }

    .hero-inner {
      max-width: var(--container-width);
      margin: 0 auto;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.3fr 1fr;
      gap: 2.5rem;
      align-items: center;
    }

    .hero h1 {
      font-size: 2.3rem;
      margin-bottom: 1rem;
    }

    .hero p {
      font-size: 1.05rem;
      margin-bottom: 1.5rem;
    }

    .hero-image-wrapper {
      border-radius: 1.3rem;
      overflow: hidden;
      box-shadow: var(--shadow-strong);
      background: #ffffff12;
      backdrop-filter: blur(4px);
    }

    .hero-image {
      display: block;
      width: 100%;
      height: 100%;
      object-fit: cover;
      max-height: 380px;
    }

    /* SECCIONES GENERALES */

    section {
      padding: 2.5rem 1.25rem;
    }

    section:nth-of-type(even) {
      background: #ffffff;
    }

    .section-inner {
      max-width: var(--container-width);
      margin: 0 auto;
    }

    h2.section-title {
      font-size: 1.7rem;
      margin-bottom: 1rem;
      color: var(--color-primary);
    }

    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 1.5rem;
      margin-top: 1rem;
    }

    .card {
      background: var(--color-white);
      border-radius: var(--radius-card);
      padding: 1.3rem;
      box-shadow: var(--shadow-soft);
    }

    .card h3 {
      margin-top: 0;
      margin-bottom: 0.5rem;
      color: var(--color-primary);
      font-size: 1.05rem;
    }

    ul {
      padding-left: 1.2rem;
      margin-top: 0.5rem;
    }

    .icon-placeholder {
      width: 44px;
      height: 44px;
      border-radius: 999px;
      background: var(--color-soft);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 0.6rem;
      font-size: 0.75rem;
      color: var(--color-primary);
      font-weight: 600;
    }

    .price {
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
    }

    .testimonials {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 1.5rem;
      margin-top: 1.5rem;
    }

    .quote {
      font-style: italic;
      margin-bottom: 0.7rem;
    }

    .author {
      font-weight: 600;
      font-size: 0.9rem;
      color: #444;
    }

    .testimonial-header {
      display: flex;
      align-items: center;
      gap: 0.7rem;
      margin-bottom: 0.6rem;
    }

    .avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #dbe4f3;
      overflow: hidden;
      flex-shrink: 0;
    }

    .avatar img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .about-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
      gap: 2rem;
      align-items: center;
    }

    .about-image-wrapper {
      border-radius: 1.2rem;
      overflow: hidden;
      box-shadow: 0 12px 30px rgba(0,0,0,0.15);
      background: #edf1fb;
    }

    .about-image {
      width: 100%;
      height: 100%;
      display: block;
      object-fit: cover;
      max-height: 320px;
    }

    .cta-final {
      text-align: center;
      padding: 3rem 1.25rem;
      background: var(--color-primary);
      color: #fff;
    }

    .cta-final h2 {
      font-size: 1.9rem;
      margin-bottom: 1rem;
    }

    footer {
      background: #061e39;
      color: #c3c8d4;
      padding: 1.5rem 1.25rem;
      font-size: 0.85rem;
    }

    footer .footer-inner {
      max-width: var(--container-width);
      margin: 0 auto;
    }

    footer a {
      color: #ffffff;
      text-decoration: none;
    }

    footer a:hover {
      text-decoration: underline;
    }

    /* RESPONSIVE – TABLET (≤ 900px) */

    @media (max-width: 900px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
      }

      .hero h1 {
        font-size: 2rem;
      }

      .hero p {
        font-size: 1rem;
      }

      .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .testimonials {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .about-grid {
        grid-template-columns: 1fr;
      }
    }

    /* RESPONSIVE – MÓVIL (≤ 700px) */

    @media (max-width: 700px) {
      header .container {
        padding: 0.6rem 1rem;
      }

      .container {
        padding: 0.6rem 1rem;
      }

      .hero {
        padding: 2rem 1rem 2.5rem;
      }

      section {
        padding: 2rem 1rem;
      }

      .hero h1 {
        font-size: 1.8rem;
      }

      .hero p {
        font-size: 0.98rem;
      }

      .grid-3 {
        grid-template-columns: 1fr;
      }

      .testimonials {
        grid-template-columns: 1fr;
      }

      .cta-final h2 {
        font-size: 1.6rem;
      }

      /* NAV MOBILE */
      .nav-right-desktop {
        display: none; /* Ocultamos menú escritorio en móvil */
      }

      .nav-toggle {
        display: block;
      }

      .nav-links {
        display: flex; /* Visible en móvil */
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        background: var(--color-primary);
        flex-direction: column;
        align-items: flex-start;
        padding: 0.8rem 1rem 1rem;
        gap: 0.4rem;
        transform: translateY(-10px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease, transform 0.2s ease;
      }

      .nav-links a {
        margin-left: 0;
        color: #fff;
        text-decoration: none;
        padding: 0.25rem 0;
      }

      .nav-open .nav-links {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
      }

      .nav-open .nav-toggle span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
      }
      .nav-open .nav-toggle span:nth-child(2) {
        opacity: 0;
      }
      .nav-open .nav-toggle span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
      }
    }