/* ============================================================
   ZECA — Plataforma Digital
   Design system editorial · minimalista · atemporal · simbólico
   Tipografia: Fraunces (display) · Newsreader (texto) · Spline Sans Mono (meta)
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --paper: #f6f3ec;
  --paper-2: #efeadf;
  --paper-3: #e7e1d2;
  --ink: #191510;
  --ink-soft: #4d463b;
  --ink-faint: #847b6c;
  --line: #d9d2c2;
  --line-strong: #b9b09a;
  --accent: #8c3b2a;        /* óxido — usado com extrema parcimônia */
  --accent-soft: #a96450;

  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Newsreader", "Georgia", serif;
  --font-mono: "Spline Sans Mono", "Courier New", monospace;

  --w-wide: 1120px;
  --w-prose: 700px;

  --section: clamp(4.5rem, 10vw, 8rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; interpolate-size: allow-keywords; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* âncoras não somem sob o cabeçalho fixo */
[id] { scroll-margin-top: 5.5rem; }

body {
  margin: 0;
  overflow-x: clip; /* rede de segurança contra scroll horizontal acidental */
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* grão de papel sutil sobre toda a página */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
}
/* grão desativado em mobile — economiza GPU em aparelhos modestos */
@media (max-width: 760px) {
  body::after { display: none; }
}

img, svg { display: block; max-width: 100%; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 460;
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0 0 0.5em;
}
/* balance só onde compensa o custo de layout */
.hero h1, .hero--symbol h1, .article-header h1, .section-head h2 { text-wrap: balance; }

h1 { font-size: clamp(2.5rem, 6vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.6rem); }

p { margin: 0 0 1.1em; }

a { color: inherit; }

::selection { background: var(--ink); color: var(--paper); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6em 1.2em;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  z-index: 1001;
}
.skip-link:focus { left: 0; }

/* ---------- Utilitários ---------- */
.container {
  width: min(100% - 3rem, var(--w-wide));
  margin-inline: auto;
}
.container--prose { max-width: var(--w-prose); }

.section { padding-block: var(--section); }
.section--tight { padding-block: calc(var(--section) * 0.55); }
.section--alt { background: var(--paper-2); border-block: 1px solid var(--line); }
.section--ink {
  background: var(--ink);
  color: var(--paper);
}
.section--ink ::selection { background: var(--paper); color: var(--ink); }

.hairline { border: 0; border-top: 1px solid var(--line); margin: 0; }

/* rótulo editorial em mono — “01 · Biblioteca” */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.65em;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 420;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.4rem;
}
.kicker::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: var(--line-strong);
}
.section--ink .kicker { color: rgba(246, 243, 236, 0.6); color: color-mix(in srgb, var(--paper) 60%, transparent); }
.section--ink .kicker::before { background: rgba(246, 243, 236, 0.35); background: color-mix(in srgb, var(--paper) 35%, transparent); }

/* kicker centralizado (CTAs e seções simétricas) */
.kicker--center { justify-content: center; }
.kicker--center::before { display: none; }

.section-head { max-width: 46rem; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head .lede { font-size: 1.2rem; color: var(--ink-soft); margin: 0; text-wrap: pretty; }

.lede {
  font-size: clamp(1.15rem, 1.8vw, 1.35rem);
  line-height: 1.55;
  color: var(--ink-soft);
}

/* ---------- Botões e links ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 460;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 1em 1.9em;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.btn:hover {
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px -16px rgba(25, 21, 16, 0.55);
}
.btn:active { transform: translateY(0); box-shadow: 0 4px 10px -8px rgba(25, 21, 16, 0.4); transition-duration: 0.1s; }
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--paper), 0 0 0 4px var(--accent);
}

.btn--primary { background: var(--ink); color: var(--paper); }
.btn--primary:hover { background: var(--accent); border-color: var(--accent); color: var(--paper); }

.section--ink .btn,
.hero--symbol .btn { border-color: var(--paper); color: var(--paper); }
.section--ink .btn:hover,
.hero--symbol .btn:hover { background: var(--paper); color: var(--ink); }
.section--ink .btn--primary,
.hero--symbol .btn--primary { background: var(--paper); color: var(--ink); }
.section--ink .btn--primary:hover,
.hero--symbol .btn--primary:hover { background: var(--accent); border-color: var(--accent); color: var(--paper); }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.9rem; }

.text-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 0.35em;
  transition: border-color 0.25s, color 0.25s;
}
.text-link:hover { color: var(--accent); border-color: var(--accent); }
.text-link::after {
  content: "\2009→";
  display: inline-block;
  transition: transform 0.3s var(--ease);
}
.text-link:hover::after { transform: translateX(5px); }
.text-link:active { opacity: 0.65; }
/* legibilidade do text-link sobre seções escuras */
.section--ink .text-link { border-bottom-color: color-mix(in srgb, var(--paper) 35%, transparent); }
.section--ink .text-link:hover { color: var(--accent-soft); border-color: var(--accent-soft); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 243, 236, 0.92);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.3s var(--ease);
}
body.is-scrolled .site-header { box-shadow: 0 10px 30px -18px rgba(25, 21, 16, 0.28); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}
.brand .mark { width: 1.7rem; height: 1.7rem; color: var(--ink); }
.brand-name {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  margin-right: -0.32em;
}

.site-nav { display: flex; align-items: center; gap: 2rem; }
.site-nav a {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
  padding-block: 0.4em;
  transition: color 0.2s;
}
/* sublinhado que cresce da esquerda */
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after { transform: scaleX(1); }
.site-nav a[aria-current="page"] { color: var(--ink); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0.6rem;
  background: none;
  border: 1px solid var(--line-strong);
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 1px;
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.2s;
}

@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem 1.5rem 1.25rem;
    display: none;
  }
  .site-nav a { padding: 0.9em 0; border-bottom: 1px solid var(--line); }
  .site-nav a::after { content: none; }
  .site-nav a[aria-current="page"] { color: var(--accent); }
  body.nav-open .site-nav { display: flex; }
  body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
}

/* faixa de protótipo (alternância entre propostas de Home) */
.proto-bar {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  padding: 0.55em 1rem;
}
.proto-bar a { color: var(--accent-soft); text-decoration: underline; text-underline-offset: 3px; }
.proto-bar a:hover { color: var(--paper); }

/* ---------- Hero (Proposta A — autor) ---------- */
.hero {
  padding-block: clamp(4rem, 9vw, 7rem) clamp(4rem, 8vw, 6rem);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: center;
}
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.hero h1 { margin-bottom: 0.45em; }
.hero .lede { max-width: 34rem; margin-bottom: 2.2rem; }

/* retrato — espaço reservado com moldura dupla */
.portrait {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  max-width: 24rem;
  margin-block: 0;
  margin-inline: auto;
  border: 1px solid var(--line-strong);
  background:
    repeating-linear-gradient(-45deg, transparent 0 14px, color-mix(in srgb, var(--line) 45%, transparent) 14px 15px),
    var(--paper-2);
  display: flex;
  align-items: center;
  justify-content: center;
}
.portrait::after {
  content: "";
  position: absolute;
  inset: 0.65rem;
  border: 1px solid var(--line);
  pointer-events: none;
}
.portrait .mark { width: 3.4rem; height: 3.4rem; color: var(--ink-faint); }

/* foto placeholder (pessoa real) — tratamento P&B editorial */
.portrait img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.05);
  transition: filter 0.6s var(--ease);
}
.portrait:hover img { filter: grayscale(25%) contrast(1.02); }

.portrait figcaption {
  position: absolute;
  bottom: 0.95rem;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  background: rgba(246, 243, 236, 0.9);
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  padding: 0.5em 1.1em;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* faixa de posicionamento — as três dimensões */
.dimensions {
  border-block: 1px solid var(--line);
  padding-block: 1.1rem;
}
.dimensions ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.dimensions li { display: flex; align-items: center; gap: 0.75rem; }
.dimensions li::before {
  content: "";
  width: 5px;
  height: 5px;
  flex-shrink: 0;
  background: var(--accent);
  border-radius: 50%;
}
@media (max-width: 700px) {
  .dimensions ul { flex-direction: column; align-items: center; }
}

/* ---------- Hero (Proposta B — obra/símbolo) ---------- */
.hero--symbol {
  background: var(--ink);
  color: var(--paper);
  text-align: center;
  padding-block: clamp(5rem, 11vw, 9rem);
  position: relative;
  overflow: hidden;
}
.hero--symbol .mark-large {
  width: clamp(7.5rem, 16vw, 11rem);
  height: auto;
  margin: 0 auto 2.6rem;
  color: var(--paper);
}
.hero--symbol .mark-large .mark-dash {
  animation: spin 90s linear infinite;
  transform-origin: 32px 32px;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .hero--symbol .mark-large .mark-dash { animation: none; }
}
.hero--symbol h1 { max-width: 17em; margin-inline: auto; }
.hero--symbol .lede {
  color: rgba(246, 243, 236, 0.72);
  color: color-mix(in srgb, var(--paper) 72%, transparent);
  max-width: 36rem;
  margin: 0 auto 2.4rem;
}
.hero--symbol .btn-row { justify-content: center; }

/* assinatura do autor sob o hero simbólico (Proposta D) */
.hero-sign {
  display: block;
  margin-top: 2.8rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(246, 243, 236, 0.55);
  color: color-mix(in srgb, var(--paper) 55%, transparent);
}

/* hero compacto no mobile — menos scroll até o conteúdo */
@media (max-width: 600px) {
  .hero--symbol { padding-block: clamp(3rem, 9vw, 4.5rem); }
  .hero--symbol .mark-large { width: clamp(5rem, 20vw, 7rem); margin-bottom: 1.6rem; }
  .hero--symbol .lede { margin-bottom: 1.8rem; }
  .hero-sign { margin-top: 1.8rem; }
}

/* ---------- Cards de livro ---------- */
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(15.5rem, 100%), 1fr));
  gap: clamp(1.8rem, 3.5vw, 3rem);
}
.book-grid .cover { max-width: 22rem; }

.book-card { display: flex; flex-direction: column; gap: 1.3rem; }

.cover-link { text-decoration: none; display: block; }

/* capa tipográfica — espaço reservado elegante */
.cover {
  aspect-ratio: 2 / 3;
  border: 1px solid var(--line-strong);
  background: var(--paper-2);
  padding: 1.4rem 1.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  transition: transform 0.45s var(--ease);
}
/* sombra pré-pintada — transiciona só opacity (GPU) */
.cover::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  box-shadow: 0 18px 40px -22px rgba(25, 21, 16, 0.45);
  opacity: 0;
  transition: opacity 0.45s var(--ease);
}
.cover::after {
  content: "";
  position: absolute;
  inset: 0.55rem;
  border: 1px solid var(--line);
  pointer-events: none;
  transition: inset 0.45s var(--ease);
}
.cover-link:hover .cover::after { inset: 0.9rem; }
.cover-link:hover .cover,
.cover-link:focus-visible .cover { transform: translateY(-6px); }
.cover-link:hover .cover::before,
.cover-link:focus-visible .cover::before { opacity: 1; }
.cover--ink { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.cover--ink::after { border-color: rgba(246, 243, 236, 0.25); border-color: color-mix(in srgb, var(--paper) 25%, transparent); }

/* capa com imagem real do livro (substitui o placeholder tipográfico) */
.cover--photo { padding: 0; overflow: hidden; background: var(--paper-2); }
.cover--photo::after { display: none; }
.cover--photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

.cover-press {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0.65;
}
.cover .mark { width: 2.6rem; height: 2.6rem; margin: auto; }
.cover-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}
.cover-sub {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.6;
  margin-bottom: 0.4rem;
}

/* card de obra futura — slot vazio que demonstra escalabilidade */
.cover--slot {
  border-style: dashed;
  background: transparent;
  justify-content: center;
  color: var(--ink-faint);
}
.cover--slot::after { display: none; }

.book-status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.book-meta h3 { margin: 0.4rem 0 0.4rem; }
.book-meta h3 a { text-decoration: none; }
.book-meta h3 a:hover { color: var(--accent); }
.book-meta p { color: var(--ink-soft); font-size: 1rem; margin-bottom: 0.9rem; }

/* ---------- Lista editorial de artigos ---------- */
.post-list { display: flex; flex-direction: column; }

.post-row {
  display: grid;
  grid-template-columns: 9.5rem minmax(0, 1fr) auto;
  gap: 1.5rem 2.5rem;
  align-items: baseline;
  padding-block: 1.6rem;
  border-top: 1px solid var(--line);
  text-decoration: none;
  transition: background 0.25s;
}
.post-list .post-row:last-child { border-bottom: 1px solid var(--line); }
.post-row:hover { background: rgba(239, 234, 223, 0.6); background: color-mix(in srgb, var(--paper-2) 60%, transparent); }
.post-row:hover .post-title { color: var(--accent); }

.post-cat {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.post-title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: 460;
  letter-spacing: -0.01em;
  margin: 0 0 0.3em;
  transition: color 0.25s, transform 0.4s var(--ease);
}
.post-row:hover .post-title { transform: translateX(8px); }
.post-excerpt { color: var(--ink-soft); font-size: 1rem; margin: 0; max-width: 38rem; }
.post-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
}
@media (min-width: 761px) and (max-width: 900px) {
  .post-row { grid-template-columns: 7rem minmax(0, 1fr) auto; gap: 1rem 1.5rem; }
}
@media (max-width: 760px) {
  .post-row { grid-template-columns: 1fr; gap: 0.45rem; }
  .post-meta { white-space: normal; }
}

/* filtros de categoria */
.chip-row { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-bottom: clamp(2rem, 4vw, 3rem); }
.chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
  border: 1px solid var(--line-strong);
  padding: 0.55em 1.1em;
  border-radius: 999px;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s var(--ease);
}
.chip:hover { border-color: var(--ink); color: var(--ink); transform: translateY(-1px); }
.chip:active { transform: translateY(0); }
.chip.is-active { background: var(--ink); border-color: var(--ink); color: var(--paper); }

/* paginação da listagem de reflexões */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  font-family: var(--font-mono);
}
.pagination .page-link {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
  border: 1px solid var(--line-strong);
  padding: 0.55em 1.1em;
  border-radius: 999px;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s var(--ease);
}
.pagination a.page-link:hover { border-color: var(--ink); color: var(--ink); transform: translateY(-1px); }
.pagination .page-link.is-disabled { opacity: 0.35; }
.pagination .page-status {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

/* link terciário abaixo dos botões do hero (ex.: solicitar dedicatória) */
.hero-aside { margin-top: 1.1rem; font-size: 0.9rem; color: var(--ink-soft); }

/* paginação no mobile: botões nas pontas, status centralizado abaixo */
@media (max-width: 760px) {
  .pagination { gap: 0.5rem 1rem; }
  .pagination .page-link { padding: 0.7em 1.15em; } /* alvo de toque maior */
  .pagination .page-status {
    order: 1;
    flex-basis: 100%;
    text-align: center;
    margin-top: 0.1rem;
  }
}

/* ---------- Prosa longa (artigos, sobre, landing) ---------- */
.prose { font-size: 1.15rem; }
.prose p { margin-bottom: 1.4em; }
.prose h2 { font-size: clamp(1.6rem, 2.6vw, 2.1rem); margin-top: 2.2em; }
.prose h3 { margin-top: 1.8em; }
.prose a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.prose ul { padding-left: 1.2em; margin-bottom: 1.4em; }
.prose li { margin-bottom: 0.5em; }
.prose li::marker { color: var(--accent); }

/* capitular: no template manual (.drop-cap) e no 1º parágrafo do corpo do
   artigo vindo de Markdown (.prose-article) */
.drop-cap::first-letter,
.prose-article > p:first-of-type::first-letter {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 3.4em;
  float: left;
  line-height: 0.82;
  padding: 0.08em 0.12em 0 0;
  color: var(--accent);
}

/* estrofe de ritmo — frases curtas agrupadas como versos (fecho de seção) */
.prose .cadence {
  margin: 1.8em 0 0.55em;
  line-height: 1.9;
  color: var(--ink-soft);
}
.prose .cadence-end {
  margin: 0;
  font-weight: 500;
  color: var(--ink);
}

blockquote.pull {
  margin: 2.4em 0;
  padding: 0 0 0 1.6rem;
  border-left: 2px solid var(--accent);
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  font-style: italic;
  font-weight: 420;
  line-height: 1.35;
  color: var(--ink-soft);
}
blockquote.pull cite {
  display: block;
  margin-top: 0.9em;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-style: normal;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---------- Landing de livro ---------- */
.book-hero { padding-block: clamp(4rem, 8vw, 6.5rem); }
.book-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: center;
}
@media (max-width: 860px) {
  .book-hero-grid { grid-template-columns: 1fr; }
  .book-hero .cover { max-width: 17rem; margin-inline: auto; }
}
.book-hero .cover { max-width: 21rem; }
.book-hero .cover .mark { width: 3.4rem; height: 3.4rem; }
.book-hero .cover-title { font-size: 1.9rem; }

/* lista “o que o leitor encontrará” */
.findings {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
@media (max-width: 860px) { .findings { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .findings { grid-template-columns: 1fr; } }
.findings--duo { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 560px) { .findings--duo { grid-template-columns: 1fr; } }
.findings li {
  border-bottom: 1px solid var(--line);
  padding: 1.5rem 1.5rem 1.5rem 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.1rem;
}
.findings .num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding-top: 0.35em;
}
.findings strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 480;
  letter-spacing: -0.01em;
  margin-bottom: 0.3em;
}
.findings p { font-size: 0.98rem; color: var(--ink-soft); margin: 0; }

/* trechos selecionados */
.excerpt-card {
  border: 1px solid var(--line-strong);
  background: var(--paper);
  padding: clamp(1.8rem, 4vw, 2.8rem);
  position: relative;
}
.excerpt-card::before {
  content: "“";
  position: absolute;
  top: -0.18em;
  left: 0.18em;
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--accent);
  opacity: 0.25;
  line-height: 1;
}
.excerpt-card p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  line-height: 1.45;
  margin: 0 0 1.2em;
}
.excerpt-card cite {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.excerpt-stack { display: grid; gap: 1.6rem; }
@media (min-width: 820px) {
  .excerpt-stack { grid-template-columns: 1fr 1fr; }
  .excerpt-stack .excerpt-card:nth-child(2) { transform: translateY(2.2rem); }
}

/* depoimentos — preparado para uso futuro */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1.4rem;
}
.testimonial {
  border: 1px dashed var(--line-strong);
  padding: 1.8rem 1.6rem;
  color: var(--ink-faint);
}
.testimonial p { font-style: italic; font-size: 1rem; margin-bottom: 1em; }
.testimonial cite {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* FAQ — somente CSS */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 2rem;
  padding: 1.4rem 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 470;
  letter-spacing: -0.01em;
  transition: color 0.2s;
}
.faq summary:hover { color: var(--accent); }
.faq summary::-webkit-details-marker { display: none; }

/* abertura suave (progressivo — navegadores com interpolate-size) */
.faq details::details-content {
  block-size: 0;
  overflow: clip;
  transition: block-size 0.4s var(--ease), content-visibility 0.4s allow-discrete;
}
.faq details[open]::details-content { block-size: auto; }
.faq summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--accent);
  transition: transform 0.3s var(--ease);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > div { padding: 0 0 1.5rem; color: var(--ink-soft); max-width: 44rem; }
.faq details > div p:last-child { margin-bottom: 0; }

/* links de compra */
.buy-list { display: flex; flex-wrap: wrap; gap: 0.9rem; }

/* ---------- Painel do lançamento vigente (Proposta E) ----------
   Módulo rotativo: a obra mais recente ocupa este espaço nos seus
   primeiros 12 meses; quando a próxima chegar, assume o lugar. */
.launch-panel {
  position: relative;
  border: 1px solid var(--ink);
  background: var(--paper);
  padding: clamp(1.8rem, 4.5vw, 3.2rem);
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(1.8rem, 4vw, 3.5rem);
  align-items: center;
}
/* sombra dura deslocada — peso editorial sem blur */
.launch-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  transform: translate(12px, 12px);
  border: 1px solid var(--line-strong);
  z-index: -1;
  pointer-events: none;
}
.launch-tag {
  position: absolute;
  top: -0.85em;
  left: clamp(1.8rem, 4.5vw, 3.2rem);
  background: var(--accent);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 460;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.5em 1.2em;
}
.launch-panel .cover { max-width: 14.5rem; margin-inline: auto; width: 100%; }
.launch-panel h2 { margin-bottom: 0.35em; }
.launch-note {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 1.6rem 0 0;
}
@media (max-width: 820px) {
  .launch-panel { grid-template-columns: 1fr; }
  .launch-panel .cover { max-width: 12rem; }
}

/* ---------- Sobre — áreas de interesse ---------- */
.areas {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
@media (max-width: 860px) {
  .areas { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .areas { grid-template-columns: 1fr; }
}
.areas li {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.7rem 1.5rem 2rem;
}
.areas .num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  display: block;
  margin-bottom: 0.9rem;
}
.areas strong {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 480;
  letter-spacing: -0.01em;
  display: block;
  margin-bottom: 0.35em;
}
.areas p { font-size: 0.95rem; color: var(--ink-soft); margin: 0; }

/* ---------- Bloco autor (resumo na Home) ---------- */
.author-strip {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
@media (max-width: 820px) { .author-strip { grid-template-columns: 1fr; } }
.author-strip .portrait { max-width: 17rem; margin-inline: 0; aspect-ratio: 4 / 5; }

/* retrato em destaque na Home — mais presença autoral (escopo, item 13) */
.author-strip--featured { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); align-items: center; }
.author-strip--featured .portrait { max-width: 26rem; aspect-ratio: 3 / 4; }
/* empilha no mobile — senão a foto fica espremida na lateral.
   Precisa vir DEPOIS da regra --featured (mesma especificidade, ganha a última). */
@media (max-width: 820px) {
  .author-strip--featured { grid-template-columns: 1fr; }
  .author-strip--featured .portrait { max-width: 20rem; margin-inline: auto; }
}

/* frase central como manifesto da plataforma (escopo, item 10) */
.manifesto {
  font-size: clamp(2rem, 4.5vw, 3.3rem);
  font-style: italic;
  font-weight: 420;
  line-height: 1.22;
  letter-spacing: -0.01em;
  max-width: 20em;
  margin-inline: auto;
}

/* ---------- Contato ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: clamp(2.5rem, 6vw, 5rem);
}
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 2rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid rgba(246, 243, 236, 0.2);
  border-bottom: 1px solid color-mix(in srgb, var(--paper) 20%, transparent);
}
.section--ink .contact-list li { border-color: rgba(246, 243, 236, 0.18); border-color: color-mix(in srgb, var(--paper) 18%, transparent); }
.contact-list .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.6;
}
.contact-list a {
  text-decoration: none;
  border-bottom: 1px solid rgba(246, 243, 236, 0.35);
  border-bottom: 1px solid color-mix(in srgb, currentColor 35%, transparent);
  transition: color 0.2s, border-color 0.2s;
}
.contact-list a:hover { color: var(--accent-soft); border-color: var(--accent-soft); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(3.5rem, 7vw, 5.5rem) 0 2rem;
}
.site-footer ::selection { background: var(--paper); color: var(--ink); }

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) repeat(3, auto);
  gap: 2.5rem clamp(2rem, 4vw, 4rem);
  padding-bottom: 3rem;
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-brand .mark { width: 2.1rem; height: 2.1rem; margin-bottom: 1.1rem; color: var(--paper); }
.footer-brand p {
  font-size: 0.98rem;
  color: rgba(246, 243, 236, 0.65);
  color: color-mix(in srgb, var(--paper) 65%, transparent);
  max-width: 21rem;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 460;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(246, 243, 236, 0.55);
  color: color-mix(in srgb, var(--paper) 55%, transparent);
  margin-bottom: 1.1rem;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 0.6rem; }
.footer-col a {
  text-decoration: none;
  font-size: 0.98rem;
  color: rgba(246, 243, 236, 0.85);
  color: color-mix(in srgb, var(--paper) 85%, transparent);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--accent-soft); }

.footer-bottom {
  border-top: 1px solid rgba(246, 243, 236, 0.15);
  border-top: 1px solid color-mix(in srgb, var(--paper) 15%, transparent);
  padding-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(246, 243, 236, 0.45);
  color: color-mix(in srgb, var(--paper) 45%, transparent);
}

/* ---------- Detalhes simbólicos ---------- */
/* view-box + center ancora a rotação no centro do viewBox (32,32),
   onde o quadrado também está centrado — gira no próprio eixo em
   qualquer navegador (fill-box não é universal em <g>). */
.mark-dash { transform-box: view-box; transform-origin: center; }
.brand:hover .mark-dash { animation: spin 14s linear infinite; }

/* barra de progresso de leitura (páginas de artigo) */
.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  z-index: 1000;
  pointer-events: none;
}

/* ---------- Revelações ao rolar ---------- */
html.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
html.js .reveal.is-visible { opacity: 1; transform: none; }
html.js .reveal:nth-child(2) { transition-delay: 0.08s; }
html.js .reveal:nth-child(3) { transition-delay: 0.16s; }
html.js .reveal:nth-child(4) { transition-delay: 0.24s; }

/* entrada do hero no carregamento */
@keyframes rise {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: none; }
}
html.js [data-rise] { animation: rise 0.9s var(--ease) both; animation-delay: var(--d, 0s); }

@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  html.js [data-rise] { animation: none; }
  .cover-link:hover .cover,
  .cover-link:focus-visible .cover,
  .btn:hover,
  .btn:active,
  .chip:hover,
  .post-row:hover .post-title,
  .text-link:hover::after { transform: none; }
  .brand:hover .mark-dash { animation: none; }
  .site-nav a::after,
  .faq details::details-content { transition: none; }
}

/* ---------- Página de artigo ---------- */
.article-header { padding-block: clamp(3.5rem, 7vw, 5.5rem) clamp(2rem, 4vw, 3rem); }
.article-header .post-meta { margin-top: 1.4rem; display: block; }

/* nota de placeholder — marcação editorial discreta */
.ph-note {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border: 1px dashed var(--line-strong);
  padding: 0.5em 0.9em;
  display: inline-block;
  margin-top: 0.5rem;
}

/* ---------- Dedicatória — carta ao autor ----------
   Campos como linhas de escrita sobre papel: sem caixas, sem sombras,
   sem aparência de cadastro. A folha pede que se escreva, não que se preencha. */
.letter-field { margin-bottom: clamp(1.7rem, 4vw, 2.3rem); }

.letter-label {
  display: block;
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 480;
  letter-spacing: -0.01em;
  margin-bottom: 0.45rem;
}
.letter-opt {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-left: 0.7em;
  vertical-align: 0.15em;
}
.letter-help { font-size: 0.95rem; color: var(--ink-faint); margin: 0 0 0.7rem; }

/* obra reconhecida pelo contexto (QR / link) — apresentada como fato, não pergunta */
.letter-obra {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 480;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0;
  padding: 0.15rem 0 0.55rem;
  border-bottom: 1px solid var(--line);
}

.letter-field input[type="text"],
.letter-field input[type="email"],
.letter-field select,
.letter-field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  border-radius: 0;
  padding: 0.55rem 0.15rem;
  transition: border-color 0.25s var(--ease);
}
.letter-field textarea {
  border: 1px solid var(--line-strong);
  padding: 0.9rem 1rem;
  min-height: 8.5rem;
  line-height: 1.6;
  resize: vertical;
}
.letter-field input:focus,
.letter-field select:focus,
.letter-field textarea:focus { outline: none; border-color: var(--accent); }
.letter-field input::placeholder,
.letter-field textarea::placeholder { color: var(--ink-faint); opacity: 0.65; }

.letter-field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23847b6c' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.25rem center;
  padding-right: 1.8rem;
  cursor: pointer;
}

.letter-count {
  display: block;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  margin-top: 0.4rem;
}

.letter-consent {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ink-soft);
  margin-top: 2.2rem;
}
.letter-consent input {
  margin-top: 0.28rem;
  width: 1.05rem;
  height: 1.05rem;
  flex-shrink: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.letter-actions { margin-top: 2.4rem; }

/* honeypot anti-spam — invisível para humanos */
.letter-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

.letter-status {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin: 1.6rem 0 0;
}
.letter-status:empty { margin: 0; }

/* confirmação — o fecho da carta */
.confirmacao { padding-block: clamp(1rem, 3vw, 2rem); }
.confirmacao h2 { margin-bottom: 0.6em; }
.confirmacao p { color: var(--ink-soft); font-size: 1.15rem; max-width: 34rem; }
.confirmacao .btn-row { margin-top: 2.2rem; }
.confirmacao:focus { outline: none; }

/* campos com mais área de toque no mobile (alvos >= ~44px) */
@media (max-width: 760px) {
  .letter-field input[type="text"],
  .letter-field input[type="email"],
  .letter-field select { padding-block: 0.8rem; }
}