/**
 * LAYOUT & SECTIONS - PARA LER & APRENDER
 * Arquitetura responsiva e calibrada para visualização em 100% de zoom.
 */

/* ==========================================================================
   Header Fixo & Navbar
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(250, 248, 245, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: box-shadow var(--transition-fast);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  flex-shrink: 0;
}

.brand__logo-img {
  height: 42px;
  width: auto;
  object-fit: contain;
  mix-blend-mode: multiply;
  transition: transform var(--transition-fast);
}

.brand:hover .brand__logo-img {
  transform: scale(1.03);
}

.brand__text {
  display: flex;
  flex-direction: column;
  white-space: nowrap;
}

.brand__name {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.brand__tagline {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-accent-hover);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-main);
  padding: 0.4rem 0.15rem;
  position: relative;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.nav-actions .btn {
  padding: 0.55rem 1.05rem;
  font-size: 0.84rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.45rem;
  color: var(--color-primary);
  border-radius: var(--radius-sm);
}

.nav-toggle svg {
  width: 26px;
  height: 26px;
}

/* ==========================================================================
   Seções Globais
   ========================================================================== */
.section {
  padding: clamp(3rem, 5vw, 4.25rem) 0;
  position: relative;
}

.section--alt {
  background-color: #FFFFFF;
}

.section--subtle {
  background-color: var(--color-bg-subtle);
}

.section-header {
  margin-bottom: clamp(1.75rem, 3.5vw, 2.75rem);
}

.section-header--center {
  text-align: center;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.section-header .badge {
  margin-bottom: 0.65rem;
}

.section-header p {
  font-size: 1rem;
  line-height: 1.58;
  margin-bottom: 0;
  text-wrap: balance;
}

/* ==========================================================================
   Hero Section (Calibrada para caber na primeira dobra em 100% zoom)
   ========================================================================== */
.hero {
  padding: clamp(2rem, 4vw, 3.25rem) 0 clamp(2.5rem, 4.5vw, 3.75rem);
  background: radial-gradient(circle at 82% 20%, rgba(217, 146, 46, 0.08) 0%, transparent 55%),
              radial-gradient(circle at 12% 80%, rgba(27, 73, 101, 0.05) 0%, transparent 50%),
              var(--color-bg-page);
  border-bottom: 1px solid var(--color-border);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.78fr);
  align-items: center;
  gap: clamp(2rem, 3.5vw, 3.25rem);
}

.hero__badge-wrapper {
  margin-bottom: 0.85rem;
}

.hero__title {
  font-size: clamp(1.85rem, 2.1vw + 0.85rem, 2.55rem);
  line-height: 1.18;
  margin-bottom: 1rem;
  text-wrap: balance;
}

.hero__highlight-mark {
  background-image: linear-gradient(120deg, var(--color-highlight) 0%, var(--color-highlight) 100%);
  background-repeat: no-repeat;
  background-size: 100% 38%;
  background-position: 0 88%;
  padding: 0 0.1em;
}

.hero__subtitle {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin-bottom: 1.4rem;
  max-width: 56ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.hero__ebook-note {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.hero__ebook-note a {
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.hero__highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.15rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.hero-highlight {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.hero-highlight__number {
  font-family: var(--font-body);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
}

.hero-highlight__label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted);
  line-height: 1.35;
}

.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-card-preview {
  background: transparent;
  padding: 0;
  position: relative;
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
}

.hero-card-preview__badge {
  position: static;
  transform: none;
  white-space: nowrap;
  box-shadow: var(--shadow-xs);
}

.hero-book-showcase {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  align-items: center;
  width: 100%;
}

.hero-book-cover-img {
  width: 100%;
  max-width: 315px;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 40px rgba(27, 73, 101, 0.26), 0 6px 14px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.6);
  transition: transform var(--transition-normal);
}

.hero-book-showcase:hover .hero-book-cover-img {
  transform: translateY(-3px);
}

.hero-book-caption {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.1rem;
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 315px;
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--color-text-main);
  text-align: center;
  text-wrap: balance;
  margin-bottom: 0;
}

/* ==========================================================================
   Seção O Livro Físico (Grid Integrado e Pareado)
   ========================================================================== */
.book-integrated-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 2.5rem;
  align-items: stretch;
}

.book-media-col {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
}

.book-cover-wrapper {
  background: linear-gradient(145deg, #FFFFFF 0%, #F5F0E8 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  flex: 1;
}

.book-cover-image {
  max-width: 335px;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.2);
}

.book-supplement-badge {
  margin-top: 1.15rem;
  background-color: var(--color-bg-warm);
  border: 1px solid var(--color-accent-border);
  border-radius: var(--radius-md);
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--color-accent-hover);
  text-align: left;
}

.book-supplement-badge svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.book-video-wrapper {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.book-video-caption {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: 0;
}

.book-offer-col {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.book-offer-header {
  margin-bottom: 1rem;
}

.book-offer-header h3 {
  font-size: 1.5rem;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

.book-offer-header p {
  font-size: 0.9375rem;
  margin-bottom: 0;
}

.stock-notice-box {
  background-color: #FFFDF5;
  border: 1px solid #F7D8A7;
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
}

.stock-notice-box__title {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.25rem;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 700;
}

.stock-notice-box__text {
  font-size: 0.835rem;
  color: var(--color-text-main);
  margin: 0;
  line-height: 1.48;
}

.book-benefits-list {
  list-style: none;
  margin: 0.75rem 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.book-benefits-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.885rem;
  color: var(--color-text-main);
  line-height: 1.45;
}

.book-benefits-list svg {
  width: 17px;
  height: 17px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.book-price-tag {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.5rem 0 0.25rem;
}

.book-price-tag__currency {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-muted);
}

.book-price-tag__amount {
  font-family: var(--font-body);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.book-price-tag__parcel {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Seção O Método das 3 Fases
   ========================================================================== */
.method-subblock {
  margin-top: 3.5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-border);
}

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

/* ==========================================================================
   Seção Dedicada ao E-book "Para Ler & Compreender 1"
   ========================================================================== */
.ebook-presentation-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 2.75rem;
  align-items: stretch;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.ebook-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #FAF8F5 0%, #EFEAE2 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
}

.ebook-cover-wrapper {
  position: relative;
  max-width: 325px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.ebook-cover-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  box-shadow: 0 16px 32px rgba(27, 73, 101, 0.24), 0 4px 10px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.ebook-badge-tag {
  margin-top: 1.1rem;
}

.ebook-content h3 {
  font-size: 1.45rem;
  color: var(--color-primary);
  margin-top: 0.5rem;
  margin-bottom: 0.75rem;
}

.ebook-content .lead {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.85rem;
}

.ebook-content p {
  font-size: 0.9375rem;
  line-height: 1.6;
}

.ebook-meta-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  margin: 1.25rem 0;
  list-style: none;
}

.ebook-meta-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-main);
  background: var(--color-bg-page);
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.ebook-meta-list svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.ebook-purchase-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--color-border);
}

.ebook-price-block__label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted);
  display: block;
}

.ebook-price-block__val {
  font-family: var(--font-body);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   Catálogo de Infoprodutos (22 Recursos + Card Combo Integrado)
   ========================================================================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.card-combo-feature {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--color-primary) 0%, #235B7E 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.card-combo-feature h3 {
  color: #ffffff;
  font-size: 1.4rem;
  margin-top: 0.65rem;
  margin-bottom: 0.6rem;
}

.card-combo-feature p {
  color: #DCEBF5;
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.card-combo-feature__perks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
  list-style: none;
  margin-bottom: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.card-combo-feature__perks li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #ffffff;
}

.card-combo-feature__perks svg {
  width: 16px;
  height: 16px;
  color: var(--color-highlight);
  flex-shrink: 0;
}

.card-combo-feature__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: auto;
}

/* ==========================================================================
   Seção A Autora (Duas Colunas Equilibradas Sem Espaços Vazios)
   ========================================================================== */
.author-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  align-items: stretch;
  gap: 2.75rem;
}

.author-visual {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.author-photo-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 4px solid #ffffff;
  background-color: var(--color-primary-light);
  aspect-ratio: 4 / 4.2;
  flex: 1;
}

.author-photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.author-credentials-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.5rem;
  box-shadow: var(--shadow-sm);
}

.author-credentials-card__title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.author-credentials-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.author-credentials-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--color-text-main);
}

.author-credentials-list svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.author-clinic-card {
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary-subtle);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.5rem;
}

.author-clinic-card h4 {
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}

.author-clinic-card p {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--color-text-main);
  margin-bottom: 1rem;
}

.author-content {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
}

.author-closing-statement {
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 0.5rem;
  font-size: 0.96875rem;
}

.author-cta-row {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

em {
  padding-right: 0.12em;
}

.author-content h2 {
  margin-top: 0.5rem;
  margin-bottom: 1rem;
}

.author-thesis-quote {
  margin: 0 0 1.4rem;
  padding: 1rem 1.25rem;
  background: var(--color-bg-page);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-heading);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--color-primary);
  font-style: italic;
}

.author-content h3 {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-top: 1.15rem;
  margin-bottom: 0.45rem;
}

.author-content p {
  font-size: 0.9375rem;
  line-height: 1.62;
  margin-bottom: 0.8rem;
}

.bento-quote-box {
  background: var(--color-accent-light);
  border: 1px solid var(--color-accent-border);
  border-left: 4px solid var(--color-accent);
  padding: 0.85rem 1.15rem;
  margin: 0.9rem 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-heading);
  font-weight: 700;
  color: #7C4D0B;
  font-size: 1rem;
}

.author-principle-highlight {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.975rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--color-primary);
  margin: 0.85rem 0;
}

/* ==========================================================================
   Depoimentos
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

/* ==========================================================================
   Rodapé Institucional
   ========================================================================== */
.site-footer {
  background-color: var(--color-bg-dark);
  color: #A4B3C6;
  padding: 3.5rem 0 2rem;
  font-size: 0.875rem;
}

.site-footer a {
  color: #CBD5E1;
}

.site-footer a:hover {
  color: var(--color-accent);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.35fr 0.9fr 0.9fr 1.15fr;
  gap: 2.25rem;
  margin-bottom: 2.5rem;
}

.footer-brand .brand__name {
  color: #ffffff;
}

.footer-brand .brand__tagline {
  color: var(--color-accent);
}

.footer-brand p {
  color: #94A3B8;
  margin-top: 0.85rem;
  font-size: 0.85rem;
  line-height: 1.58;
}

.footer-col__title {
  color: #ffffff;
  font-size: 0.975rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  margin-bottom: 0.75rem;
  color: #CBD5E1;
}

.footer-contact-item svg {
  width: 17px;
  height: 17px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
  color: #94A3B8;
}

/* ==========================================================================
   Responsividade (Breakpoints: 1060px, 920px, 640px)
   ========================================================================== */
@media (max-width: 1060px) {
  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background-color: #FFFFFF;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 1.5rem 1rem;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-150%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }

  .nav-menu li {
    border-bottom: 1px solid var(--color-border);
  }

  .nav-menu li:last-child {
    border-bottom: 0;
  }

  .nav-menu .nav-link {
    display: block;
    padding: 0.85rem 0.25rem;
    font-size: 0.975rem;
  }

  .nav-menu.is-active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    min-height: 42px;
  }

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

  .card-combo-feature {
    grid-column: span 2;
  }
}

@media (max-width: 920px) {
  .hero__grid,
  .book-integrated-grid,
  .ebook-presentation-grid,
  .author-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }

  .hero-card-preview {
    max-width: 360px;
  }

  .method-grid,
  .testimonials-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.25rem;
  }

  .footer-top {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.75rem;
  }
}

@media (max-width: 640px) {
  :root {
    --nav-height: 62px;
  }

  .container {
    padding-left: 1.125rem;
    padding-right: 1.125rem;
  }

  .brand__logo-img {
    height: 36px;
  }

  .brand__name {
    font-size: 1rem;
  }

  .brand__tagline {
    font-size: 0.625rem;
  }

  .nav-actions .btn--whatsapp {
    display: none;
  }

  .btn {
    white-space: normal;
    text-align: center;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .hero__highlights {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.65rem;
  }

  .hero-highlight__number {
    font-size: 1.2rem;
  }

  .hero-highlight__label {
    font-size: 0.7rem;
  }

  .book-offer-col,
  .ebook-presentation-grid,
  .author-content,
  .card-combo-feature {
    padding: 1.4rem;
  }

  .ebook-meta-list,
  .products-grid,
  .footer-top {
    grid-template-columns: minmax(0, 1fr);
  }

  .card-combo-feature {
    grid-column: span 1;
  }

  .shipping-box__form {
    flex-direction: column;
    align-items: stretch;
  }

  .shipping-box__form .btn {
    width: 100%;
  }

  .ebook-purchase-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .ebook-purchase-bar .btn {
    width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}