*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  :root {
    --orange:   #fbb040;
    --dark:     #1a1a1a;
    --text:     #2c2c2c;
    --gray-bg:  #f5f4f0;
    --mid-gray: #e8e6e0;
  }

  body {
    font-family: Arial, Helvetica, sans-serif;
    background: #fff;
    color: var(--text);
    font-size: 16px;
    line-height: 1.75;
    padding-top: 48px;
  }

  /* ─── HEADER MARQUEE ─── */
  .site-header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 1000;
    background: #fff812;
    height: 48px;
    overflow: hidden;
  }

  .header-track {
    display: flex;
    align-items: center;
    height: 100%;
    white-space: nowrap;
    animation: marqueeRun 28s linear infinite;
  }

  .header-track:hover { animation-play-state: paused; }

  @keyframes marqueeRun {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }

  .header-group {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
  }

  .header-track span {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--dark);
    padding: 0 18px;
  }

  .hbullet {
    color: var(--dark);
    font-size: 0.6rem;
    opacity: 0.7;
    padding: 0 4px;
  }

  /* ─── CONTENEDOR GLOBAL ─── */
  .container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 40px;
  }

  /* ─── INTRO ─── */
  .intro-section {
    background: #fff;
    padding: 72px 40px 80px;
    border-bottom: 1px solid var(--mid-gray);
  }

  .intro-inner {
    max-width: 960px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 260px 1fr;
    column-gap: 64px;
    row-gap: 0;
    align-items: start;
    grid-template-rows: 1fr auto;
  }

  .intro-photo {
    overflow: hidden;
    background: var(--mid-gray);
    align-self: stretch;
  }

  .intro-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
  }

  .intro-text {
    padding-left: 8px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
  }

  .intro-credentials {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--orange);
    display: block;
    margin-bottom: 10px;
  }

  .intro-name {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--dark);
    line-height: 1.05;
    margin-bottom: 6px;
  }

  .intro-book-title {
    font-size: 1.3rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--dark);
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--mid-gray);
  }

  .intro-tagline {
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.75;
    color: var(--text);
    margin-bottom: 28px;
  }

  .intro-quote {

    font-style: normal;
    font-size: 0.9rem;
    line-height: 1.85;
    color: #444;
    margin-bottom: 14px;
  }

  .intro-attr {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #777;
    line-height: 1.6;
    margin-bottom: 28px;
  }

  .intro-bio {
    grid-column: 1 / -1;
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--text);
    margin-top: 0;
    padding-top: 28px;
    border-top: 1px solid var(--mid-gray);
  }

  .anni-highlight {
    background: linear-gradient(104deg, transparent 3%, #fff812 8%, #fff812 92%, transparent 97%);
    font-weight: 700;
    padding: 2px 6px;
  }

  /* ─── SECCIÓN LIBROS ─── */
  .libros-section {
    background: var(--gray-bg);
    padding: 80px 40px 16px;
    overflow: visible;
  }

  .libros-inner {
    max-width: 960px;
    margin: 0 auto;
  }

  .section-label {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--orange);
    display: block;
    margin-bottom: 10px;
  }

  .section-title {
    font-size: 1.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    color: var(--dark);
    line-height: 1.1;
    margin-bottom: 56px;
  }

  /* ── LIBRO ROW ── */
  .libro-row {
    display: grid;
    grid-template-columns: minmax(280px, 45%) 1fr;
    gap: 40px;
    align-items: stretch;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 16px;
  }

  .libro-row:last-child {
    margin-bottom: 0;
  }

.libro-cover {
    overflow: hidden;
    line-height: 0;
  }

  .libro-cover > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
  }

  /* Placeholder: solo visible si falla la imagen */
  .libro-placeholder {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 28px;
    text-align: center;
    color: #fff;
    aspect-ratio: 3/4;
  }

  .libro-placeholder.rojo   { background: linear-gradient(145deg, #d64444 0%, #a82020 100%); }
  .libro-placeholder.verde  { background: linear-gradient(145deg, #38a86e 0%, #1f7048 100%); }
  .libro-placeholder.violeta{ background: linear-gradient(145deg, #8b5cf6 0%, #5b21b6 100%); }

  .lp-title {
    font-size: 1.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
  }

  .lp-sub {
    font-size: 0.7rem;
    opacity: 0.8;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }

  /* ── Info del libro ── */
  .libro-info {
    padding: 24px 32px 24px 0;
    display: flex;
    flex-direction: column;
  }

  .libro-row:last-child .libro-info {
    padding-bottom: 28px;
  }

  .libro-action {
    margin-top: auto;
  }

  .libro-price {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--dark);
    letter-spacing: -0.02em;
    white-space: nowrap;
    margin-bottom: 6px;
  }

  .libro-price span {
    font-size: 0.82rem;
    font-weight: 700;
    color: #666;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-right: 3px;
  }

  .libro-price .price-sep {
    font-weight: 300;
    color: #ddd;
    margin: 0 10px;
    font-size: 1.4rem;
    letter-spacing: 0;
    text-transform: none;
  }

  .libro-price .price-ars {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--dark);
    letter-spacing: -0.02em;
    text-transform: none;
    white-space: nowrap;
  }

  .libro-trust {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: #555;
    text-transform: uppercase;
    margin-bottom: 14px;
  }

  .libro-nota {
    font-size: 1rem;
    font-weight: 400;
    font-style: normal;
    font-family: Arial, sans-serif;
    color: #666;
    margin-top: 12px;
    margin-bottom: 20px;
  }

  .libro-format-tag {
    display: inline-block;
    background: #f9b19c;
    color: #5a2a1a;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    padding: 5px 16px;
    text-transform: uppercase;
    margin-bottom: 16px;
    width: fit-content;
  }

  .libro-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--dark);
    letter-spacing: -0.01em;
    line-height: 1.1;
    margin-bottom: 4px;
  }

  .libro-subtitle {
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--dark);
    margin-bottom: 20px;
    padding-bottom: 0;
    border-bottom: none;
  }

  .libro-desc {
    font-size: 1.05rem;
    line-height: 1.75;
    color: #333;
    margin-bottom: 4px;
  }

  .libro-features {
    list-style: none;
    margin-bottom: 32px;
  }

  .libro-features li {
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #666;
    padding: 4px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid #f0eeea;
  }

  .libro-features li::before {
    content: '';
    display: inline-block;
    width: 14px;
    height: 1px;
    background: var(--orange);
    flex-shrink: 0;
  }

  /* ─── BOTÓN NARANJA ─── */
  .btn-orange {
    display: inline-block;
    background: var(--orange);
    color: #fff;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 0.92rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-decoration: none;
    padding: 15px 36px;
    border: 2px solid var(--orange);
    border-radius: 50px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, transform 0.15s;
    text-align: center;
    width: fit-content;
  }

  .btn-orange:hover {
    background: transparent;
    color: var(--orange);
    transform: translateY(-2px);
  }

  .libro-action .btn-orange,
  .bundle-action .btn-orange {
    width: 100%;
    display: block;
  }

  .btn-dark {
    display: inline-block;
    background: var(--dark);
    color: #fff;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-decoration: none;
    padding: 15px 36px;
    border: 2px solid var(--dark);
    border-radius: 50px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, transform 0.15s;
    text-align: center;
    width: fit-content;
  }

  .btn-dark:hover {
    background: transparent;
    color: var(--dark);
    transform: translateY(-2px);
  }

  /* ─── BUNDLE / PROMO ─── */
  .bundle-section {
    background: var(--gray-bg);
    padding: 0 40px 56px;
  }

  .bundle-inner {
    max-width: 960px;
    margin: 0 auto;
    background: #fff;
    padding: 52px 64px 60px;
    border-radius: 12px;
  }

  .bundle-layout {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 64px;
    align-items: center;
  }

  /* Imagen colección */
  .bundle-fan {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .bundle-fan img {
    width: 100%;
    max-width: 340px;
    height: auto;
    display: block;
  }

  /* Info derecha */
  .bundle-info {}

  .bundle-tag {
    display: block;
    background: #fff812;
    color: var(--dark);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    padding: 6px 18px;
    margin-bottom: 20px;
    border: none;
    text-align: center;
    width: fit-content;
  }

  .bundle-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--dark);
    letter-spacing: -0.01em;
    line-height: 1.2;
    margin-bottom: 20px;
  }

  .bundle-desc {
    font-size: 1rem;
    line-height: 1.65;
    color: var(--dark);
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
  }

  .bundle-divider {
    height: 1px;
    background: var(--mid-gray);
    margin: 20px 0;
  }

  .bundle-items {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 0;
  }

  .bundle-items li {
    font-size: 1rem;
    font-weight: 400;
    color: var(--dark);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0;
    border-bottom: none;
    line-height: 1.6;
  }

  .bundle-items li::before { display: none; }

  .bundle-items .bi-arrow {
    margin-right: 8px;
    color: var(--dark);
  }

  .bundle-items .bi-name {
    flex: 1;
  }

  .bundle-items .bi-price-old {
    font-size: 0.95rem;
    color: #999;
    text-decoration: line-through;
    margin-left: 16px;
    white-space: nowrap;
  }

  .bundle-price-old-full {
    font-size: 1rem;
    color: #999;
    text-decoration: line-through;
    margin-bottom: 4px;
    text-align: left;
  }

  .bundle-action {
    text-align: left;
  }

  .bundle-price-block {
    margin-bottom: 10px;
  }

  .bundle-price-block .bp-old {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    color: #999;
    text-decoration: line-through;
    letter-spacing: 0.02em;
    margin-bottom: 2px;
  }

  .bundle-price-block .bp-new {
    font-size: 2rem;
    font-weight: 600;
    color: var(--dark);
    letter-spacing: -0.03em;
    line-height: 1;
  }

  .bundle-price-block .bp-new sup {
    font-size: 0.72rem;
    font-weight: 600;
    color: #666;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    vertical-align: super;
    margin-right: 2px;
  }

  .bundle-price-block .bp-ars {
    font-size: 2rem;
    font-weight: 600;
    color: var(--dark);
    letter-spacing: -0.03em;
    vertical-align: middle;
  }

  .bundle-price-block .bp-ars sup {
    font-size: 0.72rem;
    font-weight: 600;
    color: #666;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    vertical-align: super;
    margin-right: 2px;
  }

  .bundle-price-block .bp-save {
    display: inline-block;
    font-size: 0.58rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--orange);
    margin-top: 5px;
  }

  /* ─── DESCUENTO LECTORES ─── */
  .libro-precios {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 6px;
  }

  .precio-descuento-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
  }

  .precio-badge {
    display: inline-block;
    background: #fff812;
    color: #1a1a1a;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 4px 18px;
    clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
  }

  .btn-descuento-link {
    background: none;
    border: none;
    color: var(--orange);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    text-decoration: underline;
    padding: 0;
    text-align: left;
  }

  .btn-descuento-link:hover { opacity: 0.75; }

  .order-input-wrap {
    margin-top: 20px;
  }

  .order-input-label {
    display: block;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: #777;
    margin-bottom: 10px;
  }

  .order-input {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--mid-gray);
    border-radius: 10px;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    letter-spacing: 0.04em;
    outline: none;
    transition: border-color 0.2s;
    margin-bottom: 10px;
  }

  .order-input:focus { border-color: var(--orange); }

  .order-input-hint {
    font-size: 0.6rem;
    color: #777;
    letter-spacing: 0.04em;
    margin-bottom: 20px;
    display: block;
  }

  .spinner {
    width: 36px; height: 36px;
    border: 3px solid var(--mid-gray);
    border-top-color: var(--orange);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto;
  }

  @keyframes spin { to { transform: rotate(360deg); } }

  .desc-valid-price {
    margin: 20px 0 24px;
  }

  /* ─── FOOTER ─── */
  .site-footer {
    background: #111;
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 40px 40px 32px;
    text-align: center;
    font-size: 0.88rem;
    color: rgba(255,255,255,0.55);
    letter-spacing: 0.08em;
  }

  .site-footer,
  .site-footer .footer-contact-title,
  .site-footer .footer-contact-links a,
  .site-footer .footer-contact-links a:visited,
  .site-footer .footer-copy {
    color: #fff;
  }

  .footer-contact {
    margin-bottom: 24px;
    padding-bottom: 22px;
    border-bottom: 1px solid rgba(255,255,255,0.15);
  }

  .footer-contact-title {
    display: block;
    font-size: 0.9rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 14px;
    font-weight: 600;
  }

  .footer-contact-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 10px 26px;
  }

  .site-footer .footer-contact-links a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    letter-spacing: 0.06em;
    font-size: 1rem;
    transition: opacity 0.2s;
  }

  .site-footer .footer-contact-links a:hover {
    opacity: 0.8;
  }

  .footer-contact-links svg {
    flex-shrink: 0;
  }

  .footer-copy {
    margin: 0;
  }

  /* ─── MODAL ─── */
  .modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.72);
    z-index: 2000;
    align-items: center;
    justify-content: center;
  }

  .modal-overlay.active { display: flex; }

  .modal {
    background: #fff;
    padding: 52px 48px 48px;
    max-width: 460px;
    width: 90%;
    position: relative;
    animation: modalIn .28s ease;
  }

  @keyframes modalIn {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  .modal-close {
    position: absolute;
    top: 18px; right: 22px;
    background: none;
    border: none;
    font-size: 1.3rem;
    color: #999;
    cursor: pointer;
    line-height: 1;
    font-weight: 300;
  }

  .modal-close:hover { color: var(--dark); }

  .modal-tag {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--orange);
    display: block;
    margin-bottom: 10px;
  }

  .modal-title {
    font-size: 1.4rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--dark);
    margin-bottom: 6px;
    letter-spacing: -0.01em;
    line-height: 1.2;
  }

  .modal-product-name {
    font-size: 0.9rem;
    color: #777;
    margin-bottom: 36px;
    font-style: italic;

  }

  .modal-divider {
    height: 1px;
    background: #ececec;
    margin: 20px 0;
  }

  .modal-option-label {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: #777;
    display: block;
    margin-bottom: 10px;
  }

  .btn-mp {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 16px 24px;
    background: #009EE3;
    color: #fff;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    border: 2px solid #009EE3;
    border-radius: 50px;
    cursor: pointer;
    transition: background .2s, color .2s, transform .15s;
    margin-bottom: 8px;
  }

  .btn-mp:hover {
    background: transparent;
    color: #009EE3;
    transform: translateY(-2px);
  }

  .btn-stripe {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 16px 24px;
    background: #635BFF;
    color: #fff;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    border: 2px solid #635BFF;
    border-radius: 50px;
    cursor: pointer;
    transition: background .2s, color .2s, transform .15s;
  }

  .btn-stripe:hover {
    background: transparent;
    color: #635BFF;
    transform: translateY(-2px);
  }

  .btn-flag { font-size: 1.2rem; }

  .btn-inner {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }

  .btn-method-name {
    display: block;
  }

  .btn-price-note {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: none;
    opacity: 0.85;
    margin-top: 3px;
  }

  /* ─── TESTIMONIOS CARRUSEL ─── */
  .testimonios-section {
    padding: 40px 24px 80px;
    background: var(--gray-bg);
    overflow: hidden;
  }
  .testimonios-inner {
    max-width: 960px;
    margin: 0 auto;
    position: relative;
  }
  .testimonios-title {
    text-align: center;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 40px;
  }
  .carousel-viewport { overflow: hidden; }
  .carousel-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }
  .carousel-slide {
    min-width: 100%;
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    flex-shrink: 0;
  }
  @media (max-width: 768px) {
    .carousel-slide { grid-template-columns: 1fr; gap: 16px; }
    .testimonios-section { padding: 60px 20px; }
  }
  .testimonio-card {
    background: #fff;
    padding: 32px 28px;
    border-radius: 2px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    display: flex;
    flex-direction: column;
    min-width: 0;
  }
  .testimonio-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
  }
  .testimonio-text {
    font-size: 0.9rem;
    line-height: 1.75;
    color: #555;
    margin-bottom: 18px;
    font-style: italic;
    flex: 1;
    overflow-wrap: break-word;
    word-wrap: break-word;
  }
  .testimonio-stars {
    font-size: 1.2rem;
    color: var(--orange);
    letter-spacing: 2px;
  }
  .carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 32px;
  }
  .carousel-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: #d8d4cc;
    border: none; cursor: pointer;
    transition: background .2s, transform .2s;
    padding: 0;
  }
  .carousel-dot.active { background: var(--orange); transform: scale(1.2); }
  .carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: #fff;
    border: 1px solid #e8e6e0;
    width: 40px; height: 40px;
    border-radius: 50%;
    font-size: 1.1rem;
    color: var(--dark);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    z-index: 10;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
    transition: background .2s;
  }
  .carousel-arrow:hover { background: var(--orange); color: #fff; }
  .carousel-arrow-left { left: -20px; }
  .carousel-arrow-right { right: -20px; }
  @media (max-width: 768px) { .carousel-arrow { display: none; } }

  /* ─── BADGE PDF MUESTRA ─── */
  .libro-row { position: relative; overflow: visible; }
  .pdf-badge {
    position: absolute;
    top: -42px;
    right: 20px;
    z-index: 10;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: #60cbe7;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #fff;
    font-family: Arial, Helvetica, sans-serif;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    transition: transform .2s;
  }
  .pdf-badge:hover { transform: scale(1.08); background: transparent; color: #60cbe7; border: 2px solid #60cbe7; }
  .pdf-badge-title {
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1.25;
  }
  .pdf-badge-sub {
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--dark);
    margin-top: 4px;
  }
  .pdf-btn-mobile {
    display: none;
  }
  @media (max-width: 850px) {
    .pdf-badge {
      display: none !important;
    }
    .pdf-btn-mobile {
      display: block;
      width: 100%;
      margin-top: 12px;
      padding: 15px 36px;
      background: #60cbe7;
      color: #fff;
      font-family: Arial, Helvetica, sans-serif;
      font-size: 0.92rem;
      font-weight: 800;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      text-align: center;
      text-decoration: none;
      border: 2px solid #60cbe7;
      border-radius: 50px;
      cursor: pointer;
      transition: background 0.2s, color 0.2s, transform 0.15s;
    }
    .pdf-btn-mobile:hover {
      background: transparent;
      color: #60cbe7;
      transform: translateY(-2px);
    }
    .testimonio-card {
      padding: 20px 20px;
    }
    .testimonio-text {
      margin-bottom: 10px;
    }
  }

  /* ─── CHECKOUT FORM ─── */
  .checkout-form { margin-top: 8px; }
  .form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .form-group { margin-bottom: 14px; }
  .form-label {
    display: block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #888;
    margin-bottom: 5px;
  }
  .form-input {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--mid-gray);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--dark);
    transition: border-color .2s;
    box-sizing: border-box;
  }
  .form-input:focus {
    outline: none;
    border-color: var(--orange);
  }
  .form-input::placeholder { color: #bbb; }

  /* ─── PANTALLA GRACIAS ─── */
  .gracias-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: #fff;
    overflow-y: auto;
  }
  .gracias-overlay.active { display: flex; }
  .gracias-inner {
    max-width: 560px;
    margin: 0 auto;
    padding: 80px 24px 60px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
  }
  .gracias-check {
    width: 72px; height: 72px;
    background: var(--orange);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem;
    margin-bottom: 28px;
  }
  .gracias-inner h1 {
    font-size: 2rem;
    color: var(--dark);
    margin-bottom: 12px;
    line-height: 1.2;
  }
  .gracias-inner .gracias-sub {
    font-size: 1.1rem;
    color: var(--orange);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 28px;
  }
  .gracias-inner .gracias-text {
    font-size: 1rem;
    color: var(--text);
    line-height: 1.8;
    margin-bottom: 32px;
  }
  .gracias-card {
    background: var(--gray-bg);
    border-left: 4px solid var(--orange);
    padding: 24px 28px;
    text-align: left;
    border-radius: 4px;
    margin-bottom: 36px;
    width: 100%;
  }
  .gracias-card h3 {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--orange);
    margin-bottom: 10px;
  }
  .gracias-card p {
    font-size: 0.95rem;
    color: var(--text);
    line-height: 1.7;
    margin: 0;
  }
  .gracias-btn {
    display: inline-block;
    background: var(--dark);
    color: #fff;
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 14px 36px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: opacity 0.2s;
  }
  .gracias-btn:hover { opacity: 0.85; }

  /* ─── RESPONSIVE ─── */
  @media (max-width: 768px) {
    .intro-inner         { grid-template-columns: 1fr; gap: 32px; }
    .intro-photo         { aspect-ratio: 3/4; max-width: 280px; margin: 0 auto; }
    .intro-text          { padding-left: 0; border-top: 3px solid var(--orange); padding-top: 28px; }
    .intro-section,
    .libros-section,
    .bundle-section      { padding-left: 16px; padding-right: 16px; }
    .libro-row           { grid-template-columns: 1fr; gap: 0; }
    .libro-cover         { aspect-ratio: 3/4; max-height: none; max-width: 240px; margin: 0 auto; }
    .libro-info          { padding: 24px 20px 28px; }
    .bundle-inner        { padding: 36px 20px 40px; }
    .bundle-layout       { grid-template-columns: 1fr; gap: 40px; }
    .bundle-fan          { margin: 0 auto; }
    .bundle-fan img      { max-width: 260px; }
    .modal               { padding: 40px 20px 36px; }
    .libro-price         { white-space: normal; }
  }