/* ============================================================
   DIÁRIO DE BORDO — Design System
   Conceito: um caderno de bordo real — registros datados,
   carimbados, arquivados. Tipografia editorial, sem decoração.
   ============================================================ */

:root {
  --ink-900: #15140f;       /* fundo principal — quase preto, quente */
  --ink-800: #1c1b14;       /* fundo de blocos elevados */
  --paper-100: #ece6d8;     /* texto principal — osso claro */
  --paper-300: #a89d87;     /* texto secundário / muted */
  --paper-500: #6b6355;     /* texto terciário / placeholders */
  --wine-500: #a34530;      /* único acento — usado com extrema moderação */
  --wine-300: #c97a5f;
  --line: #33301f;          /* hairline dividers */
  --line-soft: #262418;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --container: 720px;
  --container-wide: 1040px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ink-900);
  color: var(--paper-100);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }
a.underline-link {
  border-bottom: 1px solid var(--wine-500);
  padding-bottom: 1px;
  transition: opacity .15s ease;
}
a.underline-link:hover { opacity: .75; }

:focus-visible {
  outline: 2px solid var(--wine-300);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: var(--container-wide); margin: 0 auto; padding: 0 24px; }

/* ---------- Tipografia ---------- */

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  color: var(--paper-100);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1.3em; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--wine-300);
}

.lede {
  font-size: 1.15rem;
  color: var(--paper-300);
  max-width: 60ch;
}

.hairline {
  border: none;
  border-top: 1px solid var(--line);
  margin: 2.5rem 0;
}

/* ---------- Cabeçalho ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}
.site-header .container-wide {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.brand small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-500);
  margin-top: 2px;
}
nav.main-nav { display: flex; gap: 22px; flex-wrap: wrap; }
nav.main-nav a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--paper-300);
}
nav.main-nav a:hover, nav.main-nav a.active { color: var(--paper-100); }

.nav-toggle { display: none; background: none; border: none; color: var(--paper-100); font-size: 1.4rem; cursor: pointer; }

@media (max-width: 720px) {
  nav.main-nav {
    display: none;
    position: absolute;
    left: 0; right: 0;
    top: 68px;
    background: var(--ink-900);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 18px 24px 26px;
    gap: 16px;
    z-index: 20;
  }
  nav.main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .site-header { position: relative; }
}

/* ---------- Hero / Home ---------- */

.hero {
  padding: 64px 0 56px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
}
.hero-photo {
  aspect-ratio: 4/5;
  background: var(--ink-800) center/cover no-repeat;
  filter: grayscale(1) contrast(1.05);
  border: 1px solid var(--line);
}
.hero h1 { margin: 14px 0 20px; }
.button-row { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.btn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 13px 22px;
  border: 1px solid var(--paper-100);
  display: inline-block;
  transition: background .15s ease, color .15s ease;
}
.btn:hover { background: var(--paper-100); color: var(--ink-900); }
.btn.btn-ghost { border-color: var(--line); color: var(--paper-300); }
.btn.btn-ghost:hover { background: transparent; color: var(--paper-100); border-color: var(--paper-300); }

/* ---------- Carimbo de registro (elemento de assinatura) ----------
   Metáfora: cada publicação é uma entrada real de um caderno de
   bordo — carimbada com número e data, como coordenadas de viagem. */

.log-stamp {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--paper-500);
  margin-bottom: 14px;
}
.log-stamp .numero {
  color: var(--wine-300);
  font-weight: 600;
}
.log-stamp .separador { color: var(--line); }

/* ---------- Listagens (Diário / Reflexões) ---------- */

.entry-list { margin-top: 20px; }
.entry {
  padding: 34px 0;
  border-top: 1px solid var(--line);
}
.entry:first-child { border-top: none; }
.entry-grid {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 26px;
}
@media (max-width: 640px) {
  .entry-grid { grid-template-columns: 1fr; }
  .entry-cover { order: -1; margin-bottom: 12px; }
}
.entry-cover {
  aspect-ratio: 4/3;
  background: var(--ink-800) center/cover no-repeat;
  filter: grayscale(1);
  border: 1px solid var(--line);
}
.entry h2 { font-size: 1.5rem; margin: 0 0 8px; }
.entry h2 a:hover { color: var(--wine-300); }
.entry .resumo { color: var(--paper-300); margin-bottom: 10px; }
.entry-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--paper-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.entry-meta a { color: var(--wine-300); }

.pagination { display: flex; justify-content: space-between; margin-top: 40px; font-family: var(--font-mono); font-size: 0.8rem; }

/* ---------- Post individual ---------- */

.post-header { padding: 48px 0 20px; }
.post-header h1 { margin: 14px 0 10px; }
.post-header .subtitulo { color: var(--paper-300); font-size: 1.1rem; }
.post-cover {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--ink-800) center/cover no-repeat;
  filter: grayscale(1);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin: 24px 0 40px;
}
.post-body { font-size: 1.08rem; }
.post-body h2 { margin: 2em 0 0.6em; font-size: 1.5rem; }
.post-body h3 { margin: 1.6em 0 0.5em; }
.post-body blockquote {
  margin: 2em 0;
  padding: 4px 0 4px 24px;
  border-left: 2px solid var(--wine-500);
  color: var(--paper-300);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-style: italic;
}
.post-body img { margin: 2em 0; border: 1px solid var(--line); }
.post-body a { border-bottom: 1px solid var(--wine-500); }

.tag-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 34px 0; }
.tag-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--paper-300);
  border: 1px solid var(--line);
  padding: 5px 11px;
}

.continue-jornada { margin-top: 60px; padding-top: 40px; border-top: 1px solid var(--line); }
.continue-jornada .eyebrow { margin-bottom: 18px; display: block; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 720px) { .related-grid { grid-template-columns: 1fr; } }
.related-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.related-card { padding: 16px; border: 1px solid var(--line); }

.next-chapter {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 24px; padding: 20px; border: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 0.85rem;
}

/* ---------- Categoria eyebrow inline ---------- */
.cat-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.cat-tag {
  font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--wine-300);
}
.cat-tag:not(:last-child)::after { content: '·'; margin-left: 8px; color: var(--line); }

/* ---------- Biblioteca ---------- */

.livros-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 26px;
  margin-top: 30px;
}
.livro-card { text-align: left; }
.livro-capa {
  aspect-ratio: 2/3;
  background: var(--ink-800) center/cover no-repeat;
  border: 1px solid var(--line);
  margin-bottom: 10px;
}
.livro-status {
  font-family: var(--font-mono); font-size: 0.62rem; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--wine-300); margin-bottom: 4px; display: block;
}
.livro-titulo { font-size: 0.95rem; font-weight: 600; }
.livro-autor { font-size: 0.82rem; color: var(--paper-500); }

/* ---------- Timeline ---------- */

.timeline { margin-top: 40px; }
.timeline-ano {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 30px 0;
  border-top: 1px solid var(--line);
}
@media (max-width: 640px) { .timeline-ano { grid-template-columns: 1fr; gap: 10px; } }
.timeline-ano .ano-numero {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--paper-300);
}
.timeline-evento { margin-bottom: 20px; }
.timeline-evento:last-child { margin-bottom: 0; }
.timeline-evento .data { font-family: var(--font-mono); font-size: 0.7rem; color: var(--paper-500); text-transform: uppercase; }
.timeline-evento h3 { margin: 4px 0 6px; }

/* ---------- Vídeos ---------- */
.videos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr)); gap: 26px; margin-top: 30px; }
.video-card { border: 1px solid var(--line); }
.video-thumb { aspect-ratio: 16/9; background: var(--ink-800) center/cover no-repeat; filter: grayscale(0.4); }
.video-card .video-info { padding: 14px 16px; }
.video-card h3 { font-size: 1rem; margin-bottom: 6px; }
.video-card p { font-size: 0.88rem; color: var(--paper-300); margin-bottom: 10px; }

/* ---------- Newsletter ---------- */
.newsletter-box {
  border: 1px solid var(--line);
  padding: 36px;
  margin: 60px 0;
  text-align: center;
}
.newsletter-box h3 { margin-bottom: 10px; }
.newsletter-form { display: flex; gap: 10px; max-width: 420px; margin: 20px auto 0; }
.newsletter-form input[type="email"] {
  flex: 1; background: var(--ink-800); border: 1px solid var(--line);
  color: var(--paper-100); padding: 12px 14px; font-family: var(--font-body);
}
.newsletter-form button { border: 1px solid var(--paper-100); background: transparent; color: var(--paper-100); padding: 0 20px; font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; cursor: pointer; }
.newsletter-form button:hover { background: var(--paper-100); color: var(--ink-900); }
@media (max-width: 480px) { .newsletter-form { flex-direction: column; } }

/* ---------- Busca ---------- */
.search-form { display: flex; gap: 10px; margin: 30px 0 10px; }
.search-form input { flex: 1; background: var(--ink-800); border: 1px solid var(--line); color: var(--paper-100); padding: 14px; font-family: var(--font-body); font-size: 1rem; }
.search-form button { border: 1px solid var(--paper-100); background: transparent; color: var(--paper-100); padding: 0 24px; font-family: var(--font-mono); text-transform: uppercase; font-size: 0.78rem; cursor: pointer; }

/* ---------- Rodapé ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 60px;
  margin-top: 80px;
}
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 30px; }
.footer-brand .brand { margin-bottom: 8px; }
.footer-tagline { font-family: var(--font-mono); font-size: 0.78rem; color: var(--paper-500); }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--paper-300); }
.footer-social { display: flex; gap: 16px; }
.footer-social a { font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; color: var(--paper-500); }
.footer-bottom { margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--line-soft); font-family: var(--font-mono); font-size: 0.68rem; color: var(--paper-500); }
.footer-admin-link { opacity: 0.6; }
.footer-admin-link a { color: inherit; }
.footer-admin-link a:hover { color: var(--paper-300); }

/* ---------- Empty states ---------- */
.empty-state { padding: 60px 0; text-align: center; color: var(--paper-500); font-family: var(--font-mono); font-size: 0.9rem; }