/* ============================================================
   Casa do Almanaque — Coleção Ideia em Prática
   Identidade visual alinhada às publicações da editora:
   Playfair Display (títulos), Source Serif 4 (texto), Archivo (rótulos)
   ============================================================ */

:root {
  --ink: #26211B;
  --terra: #99421F;
  --terra-dark: #6E2D14;
  --paper: #F7F2E8;
  --paper-2: #EFE6D4;
  --sand: #E3C9A9;
  --wood: #8A6A4F;
  --white: #FDFBF6;
  --gray: #6E6558;
  --shadow: 0 10px 30px rgba(38, 33, 27, 0.12);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3 {
  font-family: 'Playfair Display', Georgia, serif;
  line-height: 1.15;
  color: var(--ink);
}

h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 800; margin-bottom: 1rem; }

a { color: var(--terra); }

.container { width: min(1160px, 92%); margin: 0 auto; }
.container.narrow { width: min(760px, 92%); }

section { padding: 4.5rem 0; }

.eyebrow {
  font-family: 'Archivo', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--terra);
  margin-bottom: 0.75rem;
}

.section-lead { font-size: 1.2rem; color: var(--gray); margin-bottom: 2.5rem; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1rem;
  z-index: 200;
}
.skip-link:focus { left: 0; }

/* ---------- Botões ---------- */
.btn {
  display: inline-block;
  font-family: 'Archivo', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  padding: 0.85rem 1.75rem;
  border-radius: 3px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.btn-primary { background: var(--terra); color: var(--white); }
.btn-primary:hover { background: var(--terra-dark); }
.btn-outline { background: transparent; color: var(--terra); border-color: var(--terra); }
.btn-outline:hover { background: var(--terra); color: var(--white); }
.btn-light { background: var(--paper); color: var(--terra-dark); }
.btn-light:hover { background: var(--white); }

.link-secondary {
  font-family: 'Archivo', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--terra);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.link-secondary:hover { border-bottom-color: var(--terra); }

/* ---------- Cabeçalho ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 242, 232, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--sand);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.7rem 0;
}
.brand img { width: 200px; height: auto; }
.main-nav { display: flex; align-items: center; gap: 1.6rem; }
.main-nav a {
  font-family: 'Archivo', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
}
.main-nav a:hover { color: var(--terra); }
.main-nav .nav-cta {
  color: var(--terra);
  font-weight: 700;
  border: 1.5px solid var(--terra);
  border-radius: 3px;
  padding: 0.5rem 1rem;
}
.main-nav .nav-cta:hover { background: var(--terra); color: var(--white); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- Hero ---------- */
.hero { padding: 4.5rem 0 5rem; background: linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%); }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}
.collection-name {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--terra);
  margin-bottom: 1.25rem;
}
.collection-name span {
  display: block;
  font-family: 'Archivo', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gray);
  margin-top: 0.3rem;
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 900; margin-bottom: 1.25rem; }
.lead { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.9rem; }
.support { color: var(--gray); margin-bottom: 2rem; }
.hero-actions { display: flex; align-items: center; gap: 1.75rem; flex-wrap: wrap; }

.hero-visual { display: flex; justify-content: center; }
.cover-stack { position: relative; width: min(340px, 80%); aspect-ratio: 3 / 4.2; }
.cover-stack .cover {
  position: absolute;
  width: 68%;
  border-radius: 4px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(38, 33, 27, 0.08);
}
.cover-stack .c1 { left: 0; top: 8%; transform: rotate(-7deg); z-index: 1; }
.cover-stack .c2 { right: 0; top: 0; transform: rotate(5deg); z-index: 2; }
.cover-stack .c3 { left: 16%; bottom: 0; transform: rotate(2deg); z-index: 3; width: 72%; }

/* ---------- Apresentação da coleção ---------- */
.collection-intro { background: var(--white); }
.collection-intro .narrow p { margin-bottom: 1rem; }
.collection-intro .narrow { margin-bottom: 3rem; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.feature {
  background: var(--paper);
  border-top: 3px solid var(--terra);
  padding: 1.75rem 1.5rem;
  border-radius: 0 0 4px 4px;
}
.feature h3 { font-size: 1.25rem; margin-bottom: 0.6rem; }
.feature p { color: var(--gray); font-size: 1rem; }

/* ---------- Vitrine ---------- */
.showcase { background: var(--paper); }
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.25rem;
}
.filter-btn {
  font-family: 'Archivo', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border: 1.5px solid var(--sand);
  border-radius: 999px;
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.filter-btn:hover { border-color: var(--terra); color: var(--terra); }
.filter-btn.is-active { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.books-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.book-card {
  background: var(--white);
  border: 1px solid var(--sand);
  border-radius: 5px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 14px rgba(38, 33, 27, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.book-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.book-card[hidden] { display: none; }
.book-card > img {
  width: 100%;
  aspect-ratio: 640 / 905;
  object-fit: cover;
  border-bottom: 1px solid var(--sand);
}
.book-info {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.4rem 1.4rem 1.6rem;
}
.book-info h3 { font-size: 1.2rem; margin-bottom: 0.6rem; }
.book-info p:not(.price) { color: var(--gray); font-size: 0.95rem; flex: 1; }
.price {
  font-family: 'Archivo', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--terra-dark);
  margin: 1rem 0;
}
.book-info .btn { align-self: flex-start; }
.no-results { text-align: center; color: var(--gray); padding: 2rem 0; }

.book-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
}
.btn-details {
  background: none;
  border: none;
  padding: 0;
  font-family: 'Archivo', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--gray);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.btn-details:hover { color: var(--terra); }

/* ---------- Caminhos (categorias) ---------- */
.paths { background: var(--white); }
.paths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.path-card {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border-radius: 5px;
  overflow: hidden;
  border: 1px solid var(--sand);
}
.path-card > img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  object-position: top;
}
.path-info { display: flex; flex-direction: column; flex: 1; padding: 1.5rem; }
.path-info h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
.path-info p { color: var(--gray); font-size: 0.98rem; flex: 1; margin-bottom: 1rem; }

/* ---------- Como funciona ---------- */
.how-it-works { background: var(--ink); color: var(--paper); }
.how-it-works h2 { color: var(--paper); text-align: center; }
.how-it-works .narrow { margin-bottom: 0; }
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2.5rem;
}
.step {
  background: rgba(247, 242, 232, 0.06);
  border: 1px solid rgba(227, 201, 169, 0.25);
  border-radius: 5px;
  padding: 1.75rem 1.5rem;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: var(--terra);
  color: var(--white);
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 800;
  font-size: 1.15rem;
  margin-bottom: 1rem;
}
.step h3 { color: var(--paper); font-size: 1.2rem; margin-bottom: 0.5rem; }
.step p { color: rgba(247, 242, 232, 0.85); font-size: 0.98rem; }

/* ---------- Preço ---------- */
.value { background: var(--paper-2); }
.value-box { text-align: center; }
.value-box > p { margin-bottom: 1rem; }
.value-price { margin: 1.5rem 0 2rem !important; }
.value-price span {
  display: block;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 900;
  color: var(--terra);
  line-height: 1.1;
}
.value-price small {
  display: block;
  font-family: 'Archivo', sans-serif;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--gray);
  margin-top: 0.4rem;
}

/* ---------- Sobre ---------- */
.about { background: var(--white); }
.about p { margin-bottom: 1rem; }
.slogan {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--terra);
  border-top: 1px solid var(--sand);
  padding-top: 1.5rem;
  margin-top: 1.75rem;
}

/* ---------- FAQ ---------- */
.faq { background: var(--paper); }
.faq-item {
  background: var(--white);
  border: 1px solid var(--sand);
  border-radius: 5px;
  margin-bottom: 0.8rem;
}
.faq-item summary {
  font-family: 'Archivo', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  padding: 1.1rem 1.4rem;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 3rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 1.4rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--terra);
  line-height: 1;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item summary:hover { color: var(--terra); }
.faq-item p { padding: 0 1.4rem 1.2rem; color: var(--gray); }

/* ---------- Chamada final ---------- */
.final-cta { background: var(--terra); color: var(--paper); text-align: center; }
.final-cta h2 { color: var(--white); }
.final-cta p { font-size: 1.15rem; margin-bottom: 2rem; color: rgba(253, 251, 246, 0.9); }

/* ---------- Rodapé ---------- */
.site-footer { background: var(--ink); color: rgba(247, 242, 232, 0.8); padding: 3.5rem 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
  align-items: start;
  padding-bottom: 2.5rem;
}
.footer-brand img { width: 220px; height: auto; margin-bottom: 0.9rem; }
.footer-brand p {
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
  font-size: 1.05rem;
  color: rgba(247, 242, 232, 0.9);
}
.footer-nav { display: grid; grid-template-columns: repeat(2, auto); gap: 0.7rem 2rem; justify-content: end; }
.footer-nav a {
  color: rgba(247, 242, 232, 0.8);
  font-family: 'Archivo', sans-serif;
  font-size: 0.9rem;
  text-decoration: none;
}
.footer-nav a:hover { color: var(--white); text-decoration: underline; }
.footer-bottom {
  border-top: 1px solid rgba(227, 201, 169, 0.2);
  padding: 1.25rem 0;
  font-family: 'Archivo', sans-serif;
  font-size: 0.8rem;
  color: rgba(247, 242, 232, 0.55);
}

/* ---------- Modal ---------- */
.modal { position: fixed; inset: 0; z-index: 300; display: flex; align-items: center; justify-content: center; padding: 1.5rem; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(38, 33, 27, 0.6); }
.modal-content {
  position: relative;
  background: var(--white);
  border-radius: 6px;
  display: grid;
  grid-template-columns: minmax(180px, 280px) 1fr;
  gap: 1.75rem;
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.75rem;
  box-shadow: 0 20px 60px rgba(38, 33, 27, 0.35);
}
.modal-cover { border-radius: 4px; border: 1px solid var(--sand); align-self: start; width: 100%; }
.modal-info h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }
.modal-info > p { color: var(--gray); margin-bottom: 1rem; }
.modal-actions { margin-top: 0.5rem; }
.modal-info .btn-buy { margin-bottom: 1rem; }
.modal-info .link-secondary { display: inline-block; }
.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.9rem;
  background: none;
  border: none;
  font-size: 1.9rem;
  line-height: 1;
  color: var(--gray);
  cursor: pointer;
  padding: 0.25rem;
}
.modal-close:hover { color: var(--terra); }
body.modal-open { overflow: hidden; }

/* ---------- Responsivo ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-visual { order: -1; }
  .cover-stack { width: min(260px, 60%); }
  .features-grid, .paths-grid, .steps { grid-template-columns: 1fr 1fr; }
  .books-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-nav { justify-content: start; }
}

@media (max-width: 640px) {
  section { padding: 3.25rem 0; }
  .nav-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-bottom: 1px solid var(--sand);
    box-shadow: var(--shadow);
    padding: 0.5rem 0;
  }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 0.9rem 1.5rem; }
  .main-nav .nav-cta { border: none; text-align: left; padding: 0.9rem 1.5rem; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .books-grid, .features-grid, .paths-grid, .steps { grid-template-columns: 1fr; }
  .path-card > img { height: 220px; }
  .modal-content { grid-template-columns: 1fr; max-height: 92vh; }
  .modal-cover { max-width: 200px; margin: 0 auto; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 1.1rem; }
}

.link-light {
  font-family: 'Archivo', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(247, 242, 232, 0.5);
}
.link-light:hover { color: var(--white); border-bottom-color: var(--white); }
.store-link { text-align: center; margin-top: 2rem; }

/* ---------- Páginas institucionais ---------- */
.legal-page { padding: 3.5rem 0 4.5rem; }
.legal-page h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); font-weight: 800; margin-bottom: 1.5rem; }
.legal-page h2 { font-size: 1.4rem; margin: 2rem 0 0.6rem; }
.legal-page p { margin-bottom: 1rem; }
.legal-updated {
  border-top: 1px solid var(--sand);
  padding-top: 1.5rem;
  margin-top: 2rem;
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
  color: var(--terra);
}
.footer-bottom a { color: rgba(247, 242, 232, 0.8); }

/* ---------- Acessibilidade ---------- */
:focus-visible { outline: 3px solid var(--terra); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}