/* ==========================================================================
   guias.css
   Estilos da seção de Guias/Artigos do AquaristaPRO.
   Depende das variáveis definidas em style.css (--primary, --text, --border, etc.)
   e foca em legibilidade de leitura longa + conversão de links de afiliados.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Estrutura base e tipografia de leitura
   -------------------------------------------------------------------------- */

 
   
   
p {
  text-indent: 2.5rem;
  text-align: justify;
}

.guide-shell {
  width: min(100%, 1440px);
  max-width: 1440px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.guide-article {
  font-size: 18px;
  line-height: 1.6;
}

.guide-hero {
  padding-top: 4rem;
  padding-bottom: 8.2rem;
}

.guide-hero-content {
  max-width: 1440px;
}

.guide-hero-inner {
  display: grid;
  grid-template-columns: minmax(240px, 320px) minmax(680px, 760px) minmax(240px, 320px);
  justify-content: center;
  align-items: start;
  gap: 1rem;
  text-align: left;
}

.guide-hero-copy {
  grid-column: 2;
  width: 100%;
  max-width: 760px;
}

.guide-content h2 {
  margin-top: 2.4rem;
  margin-bottom: 0.8rem;
  font-size: 1.6rem;
  line-height: 1.3;
  scroll-margin-top: 5.5rem;
}

.guide-content h3 {
  margin-top: 1.8rem;
  margin-bottom: 0.6rem;
  font-size: 1.25rem;
  line-height: 1.35;
  scroll-margin-top: 5.5rem;
}

.guide-content p,
.guide-content li {
  font-size: 1rem;
  line-height: 1.6;
}

.guide-content ul,
.guide-content ol {
  padding-left: 1.4rem;
  margin: 0.9rem 0;
}

.guide-content li + li {
  margin-top: 0.4rem;
}

.img-card-guia {
  margin: 1.5rem 0;
  border: 1px solid var(--border);
  border-radius: 22px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(220, 238, 242, 0.72) 0%, rgba(255, 255, 255, 0.98) 100%);
  box-shadow: 0 18px 40px rgba(18, 49, 63, 0.14);
}

.img-card-guia img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.img-card-guia figcaption {
  padding: 0.85rem 1rem 1rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.guide-image-placeholder-card {
  background: linear-gradient(180deg, rgba(216, 239, 244, 0.95) 0%, rgba(255, 255, 255, 0.98) 100%);
}

.guide-image-placeholder {
  display: grid;
  place-items: center;
  min-height: 300px;
  padding: 1.5rem;
  color: var(--primary);
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  background:
    radial-gradient(circle at top right, rgba(122, 211, 230, 0.32), transparent 40%),
    linear-gradient(135deg, rgba(11, 122, 138, 0.08), rgba(138, 216, 231, 0.22));
}

@media (max-width: 640px) {
  .img-card-guia {
    margin: 1.15rem 0;
    border-radius: 18px;
  }

  .guide-image-placeholder {
    min-height: 220px;
    font-size: 0.94rem;
  }
}

/* --------------------------------------------------------------------------
   2. Header do artigo
   -------------------------------------------------------------------------- */

.guide-header {
  margin: 0;
  padding: 0;
  border: 0;
  text-align: left;
}

.guide-badge {
  display: inline-block;
  margin: 0 0 0.55rem;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 800;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
}

.guide-title {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  line-height: 1.2;
  margin: 0;
  color: white;
  padding-bottom: 20px;
}

@media (max-width: 1199px) {
  .guide-hero {
    padding-top: 3rem;
    padding-bottom: 6.5rem;
  }

  .guide-hero-inner {
    justify-items: center;
    text-align: center;
  }

  .guide-header {
    text-align: center;
  }

}

/* --------------------------------------------------------------------------
   3. Bloco introdutório sobreposto ao hero
   -------------------------------------------------------------------------- */

.guide-intro-card {
  margin-top: -80px;
  margin-bottom: 1.6rem;
  padding: 1.35rem 1.45rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 42px rgba(18, 49, 63, 0.12);
  backdrop-filter: blur(10px);
}

.guide-intro-kicker,
.guide-intro-title,
.guide-intro-summary,
.guide-intro-meta {
  opacity: 0;
  transform: translateY(14px);
  animation: guideIntroReveal 0.55s ease forwards;
}

.guide-intro-kicker {
  margin: 0 0 0.55rem;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  animation-delay: 0.05s;
}

.guide-intro-title {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.35rem, 2.2vw, 1.85rem);
  line-height: 1.28;
  animation-delay: 0.12s;
}

.guide-intro-summary {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
  animation-delay: 0.2s;
}

.guide-intro-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  animation-delay: 0.28s;
}

@keyframes guideIntroReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1199px) {
  .guide-intro-card {
    margin-top: -4.9rem;
  }
}

@media (max-width: 640px) {
  .guide-intro-card {
    margin-top: -4.2rem;
    padding: 1.2rem 1.1rem;
  }

  .guide-intro-meta {
    flex-direction: column;
    gap: 0.45rem;
  }
}

/* --------------------------------------------------------------------------
   4. Sumário / Índice interativo (Table of Contents)
   Sidebar fixa à esquerda do texto em telas grandes; drawer atrás de um
   botão fixo no canto inferior esquerdo em telas pequenas.
   -------------------------------------------------------------------------- */

.guide-layout {
  display: block;
}

.guide-body {
  min-width: 0;
}

.guide-toc {
  padding: 1.1rem 1.25rem;
  margin-bottom: 1.8rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
}

.guide-toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
  margin-bottom: 0.75rem;
}

.guide-toc-title {
  margin: 0;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.guide-toc-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border-radius: 999px;
  background: #dceef2;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
  flex-shrink: 0;
}

.guide-toc-list {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.45rem;
}

.guide-toc-link {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

/* Seção ativa destacada pelo IntersectionObserver em guias.js */
.guide-toc-link.is-active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Botão fixo que abre o sumário em telas pequenas */
.guide-toc-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  left: 1rem;
  bottom: 1rem;
  z-index: 70;
  padding: 0.85rem 1.1rem;
  border: 0;
  border-radius: 999px;
  background: var(--primary);
  color: white;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(18, 49, 63, 0.28);
  cursor: pointer;
  visibility: visible;
  opacity: 1;
}

.guide-toc-backdrop {
  position: fixed;
  inset: 0;
  z-index: 39;
  background: rgba(18, 49, 63, 0.4);
}

.guide-toc-backdrop[hidden] {
  display: none;
}

body.guide-toc-open {
  overflow: hidden;
}

@media (max-width: 959px) {
  .guide-hero-inner {
    grid-template-columns: minmax(0, 1fr);
    justify-items: stretch;
    gap: 0;
  }

  .guide-hero-copy {
    grid-column: auto;
  }

  .guide-toc {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 46;
    width: min(80vw, 420px);
    max-width: 80vw;
    height: 100vh;
    max-height: 100vh;
    margin-bottom: 0;
    padding: 1.25rem;
    border-radius: 0 20px 20px 0;
    overflow-y: auto;
    box-shadow: 0 22px 48px rgba(18, 49, 63, 0.24);
    transform: translateX(-100%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.28s ease, opacity 0.2s ease, visibility 0.2s ease;
  }

  .guide-toc.is-open {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

}

@media (min-width: 1200px) {
  .guide-shell {
    display: grid;
    grid-template-columns: minmax(240px, 320px) minmax(680px, 760px) minmax(240px, 320px);
    justify-content: center;
    align-items: start;
    gap: 1rem;
    width: min(100%, 1440px);
    max-width: 1440px;
  }

  .guide-article,
  .guide-layout {
    display: contents;
  }

  .guide-toc-toggle,
  .guide-toc-backdrop,
  .guide-toc-close {
    display: none;
  }

  .guide-body {
    grid-column: 2;
    width: 100%;
    max-width: 760px;
    min-width: 0;
    margin: 0;
  }

  .guide-toc {
    grid-column: 1;
    position: sticky;
    top: 6rem;
    width: min(80vw, 420px);
    max-width: 100%;
    height: auto;
    max-height: calc(100vh - 7.5rem);
    padding: 1.1rem 1.25rem;
    border-radius: 16px;
    overflow-y: auto;
    box-shadow: none;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
}

/* --------------------------------------------------------------------------
   5. Resumo em 30 segundos
   -------------------------------------------------------------------------- */

.summary-box {
  padding: 1.1rem 1.25rem;
  margin-bottom: 2rem;
  border-radius: 16px;
  border: 1px solid var(--accent);
  background: linear-gradient(135deg, rgba(11, 122, 138, 0.08), rgba(138, 216, 231, 0.14));
}

.summary-box-title {
  margin: 0 0 0.6rem;
  font-weight: 800;
  color: var(--primary);
}

.summary-box-list {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.4rem;
}

/* --------------------------------------------------------------------------
   6. Caixas de dica e aviso dentro do conteúdo
   -------------------------------------------------------------------------- */

.tip-box,
.alert-box {
  padding: 1rem 1.1rem;
  margin: 1.2rem 0;
  border-radius: 14px;
  border: 1px solid;
}

.tip-box {
  background: #eaf6ec;
  border-color: #a9d9b1;
  color: #1f5c30;
}

.alert-box {
  background: #fff6df;
  border-color: #f0d78a;
  color: #7a5900;
}

.alert-box.alert-box-danger {
  background: #fdecea;
  border-color: #f3b7ad;
  color: #7a2b1f;
}

.tip-box strong,
.alert-box strong {
  display: block;
  margin-bottom: 0.3rem;
}

.tip-box p,
.alert-box p {
  margin: 0;
}

/* --------------------------------------------------------------------------
   7. Tabela comparativa responsiva
   -------------------------------------------------------------------------- */

.comparison-table-wrapper {
  margin: 1.4rem 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: 14px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 480px;
}

.comparison-table th,
.comparison-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.comparison-table thead th {
  background: rgba(11, 122, 138, 0.08);
  color: var(--primary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

/* --------------------------------------------------------------------------
   8. Produtos recomendados (cards de afiliados)
   -------------------------------------------------------------------------- */

.product-recommendations {
  margin: 2.4rem 0;
}

.affiliate-disclosure {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0.4rem 0 1.4rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.1rem;
}

.product-card {
  display: flex;
  flex-direction: column;
  padding: 1.1rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: 0 4px 10px rgba(18, 49, 63, 0.04);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.product-card:hover {
  box-shadow: 0 14px 28px rgba(18, 49, 63, 0.12);
  transform: translateY(-3px);
}

.product-card-badge {
  align-self: flex-start;
  padding: 0.3rem 0.75rem;
  margin: 0 0 0.8rem;
  border-radius: 999px;
  background: rgba(11, 122, 138, 0.1);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.product-card-photo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  margin-bottom: 0.9rem;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(11, 122, 138, 0.08), rgba(138, 216, 231, 0.16));
}

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

.product-card-name {
  margin: 0 0 0.8rem;
  font-size: 1.1rem;
}

.product-card-lists {
  display: grid;
  gap: 0.7rem;
  margin-bottom: 1rem;
}

.product-card-list-title {
  margin: 0 0 0.3rem;
  font-size: 0.85rem;
  font-weight: 800;
}

.product-card-list-title-pro {
  color: #1f5c30;
}

.product-card-list-title-con {
  color: #a03b2f;
}

.product-card-list {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.92rem;
  display: grid;
  gap: 0.3rem;
}

.btn-afiliado {
  margin-top: auto;
  display: inline-block;
  padding: 0.85rem 1rem;
  border-radius: 999px;
  background: var(--primary);
  color: white;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.btn-afiliado:hover {
  background: #095e6b;
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   9. FAQ Accordion
   -------------------------------------------------------------------------- */

.faq-section {
  margin: 2.4rem 0;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 0.8rem;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 1rem 1.1rem;
  border: 0;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.faq-question-icon {
  flex-shrink: 0;
  font-size: 1.2rem;
  line-height: 1;
  transition: transform 0.2s ease;
}

/* Rotaciona o "+" em "x" quando a resposta está aberta */
.faq-question[aria-expanded="true"] .faq-question-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 1.1rem;
  background: #f7fdff;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.is-open .faq-answer {
  padding: 0.2rem 1.1rem 1.1rem;
}

.faq-answer p {
  margin: 0;
}

/* --------------------------------------------------------------------------
   10. Chamada para ação final
   -------------------------------------------------------------------------- */

.guide-cta {
  margin-top: 2.6rem;
  padding: 1.6rem 1.4rem;
  border-radius: 18px;
  text-align: center;
  background: linear-gradient(135deg, #0f8ea6 0%, #7bd3e6 100%);
  color: white;
}

.guide-cta h2 {
  margin: 0 0 0.6rem;
  color: white;
}

.guide-cta p {
  margin: 0 auto 1.1rem;
  max-width: 520px;
  color: rgba(255, 255, 255, 0.92);
}

.guide-cta .button-link {
  background: white;
  color: var(--primary);
}

/* --------------------------------------------------------------------------
   11. Responsividade
   -------------------------------------------------------------------------- */

@media (max-width: 640px) {
  .guide-shell {
    padding: 1.5rem 1rem 3rem;
  }

  .guide-article {
    font-size: 17px;
  }

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