/* ============================================================
   ABISSAL — ajuste editorial v1
   Mantém a atmosfera literária original, mas aproxima legibilidade,
   navegação e acabamento do site principal de Elton Daniel Leme.
   ============================================================ */

:root {
  --brand-blue: #071A2D;
  --brand-blue-2: #0B1F3A;
  --brand-bronze: #B77444;
  --brand-bronze-light: #C8963E;
  --brand-cream: #F6F3EE;
  --brand-ice: #D7DEE7;
  --text-soft: #d8d2c8;
}

body {
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  text-underline-offset: 0.18em;
}

.hero-title,
.sidebar-title,
.nav-section h2,
.intro-section h2,
.about-block h2,
.poem-title,
.cronica-title,
.posfacio h2,
.chapter-title,
.part-title {
  letter-spacing: 0.045em;
}

.hero-desc,
.intro-section p,
.about-block p,
.poem-body,
.cronica-body p,
.posfacio p,
.block-intro,
.chapter-intro p {
  color: var(--text-soft);
}

.hero,
.sidebar,
.footer {
  background-color: var(--abyss);
}

.hero::before {
  opacity: 0.9;
}

.abissal-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 10, 16, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(216, 210, 200, 0.10);
  padding: 0.78rem clamp(1rem, 3vw, 2.2rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
}

.abissal-topbar-title {
  font-family: "Cormorant Garamond", Georgia, serif;
  color: var(--foam);
  text-decoration: none;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.94rem;
}

.abissal-topbar-links {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.abissal-mini-link,
.abissal-back-link,
.abissal-site-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--foam);
  border: 1px solid rgba(216, 210, 200, 0.20);
  border-radius: 999px;
  padding: 0.48rem 0.82rem;
  text-decoration: none;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
  background: rgba(255,255,255,0.03);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.abissal-mini-link:hover,
.abissal-back-link:hover,
.abissal-site-link:hover {
  color: var(--abyss);
  background: var(--gold);
  border-color: var(--gold);
  transform: translateY(-1px);
}

.sidebar .abissal-back-link,
.sidebar .abissal-site-link {
  margin: 0.2rem 1.75rem 0.45rem;
  width: calc(100% - 3.5rem);
  font-size: 0.70rem;
  color: var(--foam);
}

.sidebar .abissal-site-link {
  color: var(--muted);
}

.hero-cta-row .btn-primary,
.hero-cta-row .btn-amazon,
.btn-primary,
.btn-amazon {
  border-radius: 999px;
}

.return-panel {
  max-width: 760px;
  margin: 4rem 5rem 2rem;
  padding: 2rem;
  background: rgba(255,255,255,0.035);
  border: 1px solid rgba(216, 210, 200, 0.13);
  border-radius: 16px;
}

.return-panel h2 {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.55rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  color: var(--foam);
  margin-bottom: 0.7rem;
}

.return-panel p {
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.7;
  margin-bottom: 1.3rem;
}

.return-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.return-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--foam);
  text-decoration: none;
  border: 1px solid rgba(216, 210, 200, 0.18);
  border-radius: 999px;
  padding: 0.7rem 1.1rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.return-actions a:first-child {
  background: var(--biolum, #4a9eb5);
  color: var(--abyss);
  border-color: var(--biolum, #4a9eb5);
  font-weight: 600;
}

.return-actions a:hover {
  background: var(--gold);
  color: var(--abyss);
  border-color: var(--gold);
}

@media (max-width: 900px) {
  .abissal-topbar {
    position: relative;
    align-items: flex-start;
    flex-direction: column;
  }

  .abissal-topbar-links {
    width: 100%;
  }

  .abissal-mini-link {
    flex: 1 1 auto;
    min-width: min(100%, 150px);
  }

  .return-panel {
    margin: 3rem 1.5rem 2rem;
    padding: 1.5rem;
  }

  .block-toc ul {
    columns: 1 !important;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 18px;
  }

  .hero-title {
    font-size: clamp(3rem, 18vw, 5rem);
  }

  .hero-content,
  .hero-meta-row,
  .about-strip,
  .nav-section {
    padding-left: 1.25rem !important;
    padding-right: 1.25rem !important;
  }

  .parts-grid {
    grid-template-columns: 1fr !important;
  }

  .poem,
  .cronica,
  .intro-section,
  .chapter-header,
  .chapter-intro,
  .poetry-part,
  .block-toc,
  .block-intro,
  .posfacio {
    padding-left: 1.25rem !important;
    padding-right: 1.25rem !important;
    max-width: 100%;
  }
}

/* Capa visual do projeto, usada apenas na página inicial */
.abissal-cover-wrap {
  margin-top: 2.6rem;
  max-width: 360px;
}

.abissal-cover {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid rgba(216, 210, 200, 0.18);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.38);
  background: var(--abyss);
}

@media (min-width: 980px) {
  .hero-content {
    max-width: 1180px;
  }

  .abissal-cover-wrap {
    max-width: 340px;
  }
}

@media (max-width: 900px) {
  .abissal-cover-wrap {
    max-width: 300px;
    margin-top: 2rem;
  }
}