/* ============================================================
   BLOG TAIYŌ — paleta neutra editorial, design minimalista
   ============================================================ */

/* ---- Variáveis (compartilhadas com a landing onde fizer sentido) ---- */
:root {
  --blog-bg: #fafaf7;
  --blog-bg-card: #ffffff;
  --blog-ink: #1a1a1d;
  --blog-ink-2: #3d3d44;
  --blog-muted: #6b6b75;
  --blog-line: #ececec;
  --blog-line-2: #d8d8d8;
  --blog-accent: #ea580c;
  --blog-accent-soft: rgba(234, 88, 12, 0.08);
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-display: 'Space Grotesk', Inter, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --blog-radius: 14px;
  --blog-shadow: 0 1px 0 rgba(0,0,0,0.02), 0 6px 22px -10px rgba(0,0,0,0.08);
}

/* ---- Reset + base ---- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: var(--font-sans);
  color: var(--blog-ink);
  background: var(--blog-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
input, select { font-family: inherit; font-size: 15px; }

/* ---- Container utilitário ---- */
.blog-container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}
.blog-container--narrow {
  max-width: 760px;
}

/* ============================================================
   HEADER — nav clonado da landing (.nav-wrap-v2) + back strip
   --------------------------------------------------------------
   O nav-v2 vive em styles-v2-extras.css (linkado antes desta folha).
   Aqui adicionamos: compensação de topo pra liberar o nav fixo + a
   tira discreta com o link "Voltar para o site/blog".
   ============================================================ */

/* Compensa o nav-v2 fixed (top:16px + altura ~64px). Aplicado no <body>
   para que tudo desça abaixo do nav flutuante. */
body { padding-top: 96px; }
@media (max-width: 540px) { body { padding-top: 84px; } }

/* Tira discreta com o link "Voltar para o site" / "Voltar para o blog" */
.blog-back-strip {
  padding: 24px 0 8px;
}

/* ============================================================
   IDENTIDADE DO BLOG — faixa navy + dot pattern, vertical compacto
   --------------------------------------------------------------
   Sinaliza "você está no blog Taiyō" com a mesma DNA visual das
   seções escuras da landing. Largura total do container, padding
   vertical pequeno (~18px desktop / ~14px mobile).
   ============================================================ */
.blog-identity-wrap {
  padding: 14px 0 28px;
}
.blog-identity-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 26px;
  border-radius: 14px;
  background:
    var(--dot-pattern, radial-gradient(circle at center, rgba(255,255,255,0.07) 1px, transparent 1.5px)) 0 0 / 32px 32px,
    var(--navy, #0c142c);
  border: 1px solid rgba(255,255,255,0.06);
  color: #fff;
  overflow: hidden;
  position: relative;
}
/* Glow sutil laranja no canto direito — reforça identidade premium sem ruído */
.blog-identity-strip::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -15%;
  width: 40%;
  height: 220%;
  background: radial-gradient(ellipse at center, rgba(255,153,0,0.18), transparent 60%);
  filter: blur(28px);
  transform: translateY(-50%);
  pointer-events: none;
}
.blog-identity-left {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  position: relative;
  z-index: 1;
}
/* Bolinha laranja com pulso sutil — assinatura visual da Taiyō */
.blog-identity-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-orange, #ff9900);
  box-shadow: 0 0 0 0 rgba(255,153,0,0.5);
  animation: blogIdentityPulse 2.4s ease-out infinite;
  flex-shrink: 0;
}
@keyframes blogIdentityPulse {
  0%   { box-shadow: 0 0 0 0 rgba(255,153,0,0.45); }
  70%  { box-shadow: 0 0 0 10px rgba(255,153,0,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,153,0,0); }
}
.blog-identity-eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brand-orange, #ff9900);
  line-height: 1;
}
.blog-identity-tagline {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: rgba(255,255,255,0.78);
  line-height: 1.2;
  position: relative;
  z-index: 1;
  text-align: right;
}

/* Respeita preferência do usuário por menos movimento */
@media (prefers-reduced-motion: reduce) {
  .blog-identity-pulse { animation: none; }
}

@media (max-width: 640px) {
  .blog-identity-wrap { padding: 8px 0 20px; }
  .blog-identity-strip {
    padding: 14px 18px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    border-radius: 12px;
  }
  .blog-identity-tagline {
    font-size: 13px;
    text-align: left;
  }
  .blog-identity-strip::after {
    width: 60%;
    right: -25%;
  }
}
.blog-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--blog-muted);
  font-weight: 500;
  padding: 8px 14px 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--blog-line);
  background: var(--blog-bg-card);
  transition: color 0.18s, border-color 0.18s, background 0.18s, transform 0.18s;
}
.blog-back-link:hover {
  color: var(--blog-ink);
  border-color: var(--blog-line-2);
  transform: translateX(-2px);
}
.blog-back-link svg { width: 16px; height: 16px; flex-shrink: 0; }
@media (max-width: 540px) {
  .blog-back-link { font-size: 12px; padding: 7px 12px 7px 10px; }
}

/* ============================================================
   PÁGINA INDEX — hero do blog
   --------------------------------------------------------------
   Sem o eyebrow no topo (a faixa de identidade acima já cumpre
   esse papel), então padding-top é menor.
   ============================================================ */
/* HERO full-bleed (imagem + degradê), igual ao topo das páginas de solução.
   A imagem fica em assets/blog/hero.webp (desktop) e hero-mobile.webp (mobile);
   até o usuário inserir, o fundo navy + degradê já dão um hero apresentável. */
body.blog-index { padding-top: 0; }   /* hero vai ATRÁS do nav flutuante (full-bleed) */
.blog-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: clamp(360px, 32vw, 520px);
  background: #0c142c url("../assets/blog/hero.webp") center 40% / cover no-repeat;
  color: #fff;
  padding-top: clamp(96px, 13vh, 130px);   /* texto abaixo do cabeçalho */
  padding-bottom: clamp(36px, 5vw, 56px);
  overflow: hidden;
  margin-bottom: 30px;
}
@media (max-width: 768px) {
  .blog-hero {
    background-image: url("../assets/blog/hero-mobile.webp");
    min-height: clamp(360px, 72vw, 470px);
  }
}
/* degradê: escurece topo (legibilidade do menu) + esquerda (texto) */
.blog-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(12,20,44,0.9) 0%, rgba(12,20,44,0.45) 19%, transparent 42%),
    linear-gradient(90deg, rgba(12,20,44,0.88) 0%, rgba(12,20,44,0.5) 52%, rgba(12,20,44,0.12) 100%);
}
.blog-hero .blog-container { position: relative; z-index: 2; width: 100%; }
.blog-hero-accent { display: block; width: 34px; height: 4px; border-radius: 99px; background: var(--blog-accent, #16a34a); margin-bottom: 14px; }
/* Rótulo da página como SELO (pill) — mais evidente que o eyebrow simples */
.blog-hero-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  color: #fff;
  background: rgba(255,255,255,0.14);
  padding: 7px 15px;
  border-radius: 99px;
  margin-bottom: 16px;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.blog-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin: 0 0 14px;
  color: #fff;
  max-width: 20ch;
}
.blog-hero h1 em {
  font-style: italic;
  font-weight: 300;
  color: rgba(255,255,255,0.7);
}
.blog-hero p {
  font-size: 16px;
  color: rgba(255,255,255,0.82);
  max-width: 56ch;
  line-height: 1.6;
  margin: 0;
}

/* ============================================================
   FILTROS (busca + categoria + ordenação)
   ============================================================ */
.blog-filters {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  margin: 32px 0 40px;
  align-items: center;
}
.blog-search {
  position: relative;
}
.blog-search svg {
  position: absolute;
  top: 50%;
  left: 16px;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--blog-muted);
  pointer-events: none;
}
.blog-search input {
  width: 100%;
  padding: 14px 16px 14px 46px;
  border-radius: var(--blog-radius);
  border: 1px solid var(--blog-line-2);
  background: var(--blog-bg-card);
  font-size: 15px;
  color: var(--blog-ink);
  transition: border-color 0.18s, box-shadow 0.18s;
}
.blog-search input:focus {
  outline: 0;
  border-color: var(--blog-ink);
  box-shadow: 0 0 0 3px rgba(0,0,0,0.06);
}
.blog-search input::placeholder { color: var(--blog-muted); }

.blog-select-wrap {
  position: relative;
}
.blog-select-wrap::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 16px;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--blog-muted);
  border-bottom: 2px solid var(--blog-muted);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}
.blog-select {
  appearance: none;
  -webkit-appearance: none;
  padding: 14px 44px 14px 18px;
  border-radius: var(--blog-radius);
  border: 1px solid var(--blog-line-2);
  background: var(--blog-bg-card);
  font-size: 14px;
  font-weight: 500;
  color: var(--blog-ink);
  cursor: pointer;
  min-width: 160px;
  transition: border-color 0.18s;
}
.blog-select:hover { border-color: var(--blog-line-2); }
.blog-select:focus { outline: 0; border-color: var(--blog-ink); }

@media (max-width: 720px) {
  .blog-filters { grid-template-columns: 1fr; }
  .blog-select { width: 100%; }
}

/* ============================================================
   GRID DE POSTS (página index)
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 80px;
  min-height: 60vh;   /* reserva espaço enquanto os posts carregam via JS → reduz CLS */
}
/* Links de texto inline sublinhados (não dependem só da cor — a11y) */
.blog-footer a { text-decoration: underline; }
@media (max-width: 980px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .blog-grid { grid-template-columns: 1fr; gap: 24px; } }

.blog-card {
  background: var(--blog-bg-card);
  border-radius: var(--blog-radius);
  overflow: hidden;
  border: 1px solid var(--blog-line);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--blog-shadow);
  border-color: var(--blog-line-2);
}
.blog-card-cover {
  aspect-ratio: 16 / 10;
  width: 100%;
  background: var(--blog-line);
  background-size: cover;
  background-position: center;
  position: relative;
}
.blog-card-cover-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #efece5, #f8f5ee);
  color: var(--blog-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.blog-card-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 12px;
}
.blog-card-meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blog-muted);
}
.blog-card-cat {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--blog-accent-soft);
  color: #9a3412;   /* laranja escuro: contraste AA sobre o fundo claro do selo */
  font-weight: 600;
}
.blog-card-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.25;
  color: var(--blog-ink);
}
.blog-card-excerpt {
  font-size: 14.5px;
  color: var(--blog-ink-2);
  line-height: 1.55;
  flex: 1;
}
.blog-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--blog-line);
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--blog-muted);
}
.blog-card-author {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.25;
  min-width: 0; /* permite que o conteúdo encolha sem quebrar layout */
  flex: 1;
}
.blog-card-author strong {
  font-weight: 600;
  color: var(--blog-ink-2);
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.blog-card-author small {
  font-size: 11px;
  font-weight: 400;
  color: var(--blog-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.blog-card-time {
  font-family: var(--font-mono);
  font-size: 11px;
  flex-shrink: 0;
}

/* ---- Estado de busca vazia ---- */
.blog-empty {
  text-align: center;
  padding: 80px 20px;
  color: var(--blog-muted);
}
.blog-empty h3 {
  font-family: var(--font-display);
  font-size: 24px;
  margin-bottom: 8px;
  color: var(--blog-ink);
}

/* ============================================================
   PÁGINA DE POST INDIVIDUAL
   ============================================================ */
.post-hero {
  padding: 56px 0 32px;
  text-align: center;
}
.post-hero .blog-card-meta { justify-content: center; margin-bottom: 18px; }
.post-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 18px;
  max-width: 22ch;
  margin-left: auto;
  margin-right: auto;
}
.post-hero-excerpt {
  font-size: 19px;
  color: var(--blog-ink-2);
  line-height: 1.55;
  max-width: 60ch;
  margin: 0 auto 32px;
}

.post-author-line {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 10px 18px 10px 12px;
  border: 1px solid var(--blog-line);
  border-radius: 999px;
  background: var(--blog-bg-card);
}
.post-author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ffd9b8, #ff9c5f);
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
}
.post-author-info {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.2;
}
.post-author-info strong { font-size: 13.5px; color: var(--blog-ink); font-weight: 600; }
.post-author-info span { font-size: 11.5px; color: var(--blog-muted); }

/* ---- Cover image do post ---- */
.post-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--blog-radius);
  overflow: hidden;
  margin: 32px 0 48px;
  background: linear-gradient(135deg, #efece5, #f8f5ee);
  position: relative;
}
.post-cover img { width: 100%; height: 100%; object-fit: cover; }
.post-cover-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blog-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* ---- Sumário (TOC) ---- */
.post-toc {
  background: var(--blog-bg-card);
  border: 1px solid var(--blog-line);
  border-radius: var(--blog-radius);
  padding: 22px 24px;
  margin-bottom: 40px;
}
.post-toc-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blog-muted);
  margin-bottom: 12px;
}
.post-toc ol {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  counter-reset: toc;
}
.post-toc li {
  counter-increment: toc;
  font-size: 14.5px;
}
.post-toc li::before {
  content: counter(toc, decimal-leading-zero) ".";
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--blog-accent);
  margin-right: 10px;
  font-weight: 600;
}
.post-toc a { color: var(--blog-ink-2); transition: color 0.18s; }
.post-toc a:hover { color: var(--blog-accent); }

/* ---- Conteúdo do post (estilos editoriais) ---- */
.post-body {
  font-size: 17px;
  line-height: 1.75;
  color: var(--blog-ink-2);
}
.post-body h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--blog-ink);
  margin: 56px 0 18px;
  scroll-margin-top: 80px;
}
.post-body h3 {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  color: var(--blog-ink);
  margin: 36px 0 12px;
}
.post-body p { margin-bottom: 18px; }
.post-body strong { color: var(--blog-ink); font-weight: 600; }
.post-body em { font-style: italic; }
.post-body a {
  color: var(--blog-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: text-decoration-thickness 0.15s;
}
.post-body a:hover { text-decoration-thickness: 2px; }
.post-body ul, .post-body ol {
  margin: 0 0 18px 24px;
  padding-left: 0;
}
.post-body li { margin-bottom: 8px; }
.post-body img {
  width: 100%;
  border-radius: var(--blog-radius);
  margin: 32px 0;
  border: 1px solid var(--blog-line);
}
.post-body figure {
  margin: 32px 0;
}
.post-body figure img { margin: 0; }
.post-body figcaption {
  font-size: 13px;
  color: var(--blog-muted);
  text-align: center;
  margin-top: 10px;
  font-style: italic;
}
.post-body blockquote {
  border-left: 3px solid var(--blog-accent);
  padding: 6px 22px;
  margin: 32px 0;
  font-size: 19px;
  font-style: italic;
  color: var(--blog-ink);
}
.post-body blockquote cite {
  display: block;
  font-size: 13px;
  font-style: normal;
  color: var(--blog-muted);
  margin-top: 8px;
}
.post-body code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--blog-line);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--blog-ink);
}
.post-body hr {
  border: 0;
  height: 1px;
  background: var(--blog-line);
  margin: 48px 0;
}

/* Caixa de destaque (call-out) — uso opcional dentro dos posts */
.post-callout {
  background: var(--blog-bg-card);
  border: 1px solid var(--blog-line);
  border-left: 3px solid var(--blog-accent);
  padding: 18px 22px;
  border-radius: 8px;
  margin: 32px 0;
  font-size: 15px;
}
.post-callout strong { display: block; margin-bottom: 6px; color: var(--blog-ink); }

/* ---- Rodapé do post (tags + autor expandido) ---- */
.post-footer {
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--blog-line);
}
.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}
.post-tag {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--blog-bg-card);
  border: 1px solid var(--blog-line);
  font-size: 12px;
  color: var(--blog-ink-2);
  font-family: var(--font-mono);
}
.post-author-card {
  display: flex;
  gap: 16px;
  padding: 24px;
  background: var(--blog-bg-card);
  border: 1px solid var(--blog-line);
  border-radius: var(--blog-radius);
  align-items: flex-start;
}
.post-author-card .post-author-avatar { width: 56px; height: 56px; font-size: 20px; flex-shrink: 0; }
.post-author-card-info {
  flex: 1;
}
.post-author-card-info strong {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--blog-ink);
  display: block;
}
.post-author-card-info .role {
  font-size: 13px;
  color: var(--blog-muted);
  margin-top: 2px;
}

/* ---- Posts relacionados ---- */
.post-related {
  margin: 80px 0 40px;
}
.post-related h2 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--blog-ink);
  margin-bottom: 24px;
}
.post-related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 640px) { .post-related-grid { grid-template-columns: 1fr; } }

/* ============================================================
   FOOTER mínimo do blog
   ============================================================ */
.blog-footer {
  border-top: 1px solid var(--blog-line);
  padding: 40px 0;
  margin-top: 80px;
  font-size: 13px;
  color: var(--blog-muted);
  text-align: center;
}
.blog-footer a { color: var(--blog-ink-2); }
.blog-footer a:hover { color: var(--blog-accent); }
