/* ── Blog Article ── */

/* Navbar */
.ba-nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-stroke);
  padding: 14px 28px;
  display: flex; align-items: center; justify-content: space-between;
}
.ba-nav__brand {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 400;
  color: var(--color-text);
}
.ba-nav__back {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-label);
  transition: color 0.2s;
}
.ba-nav__back:hover { color: var(--color-accent); }

/* Layout */
.ba-main {
  max-width: 760px;
  margin: 0 auto;
  padding: 60px 28px 80px;
}

/* Header */
.ba-header {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-stroke);
}
.ba-date {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 18px;
}
.ba-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 400; line-height: 1.2;
  color: var(--color-text);
}

/* Body typography */
.ba-body {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.8;
  color: var(--color-text);
}
.ba-body p { margin-bottom: 1.4em; }
.ba-body h2,
.ba-body h3,
.ba-body .wp-block-heading {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--color-text);
  margin: 2em 0 0.7em;
  line-height: 1.25;
}
.ba-body h2, .ba-body h2.wp-block-heading { font-size: clamp(22px, 2.5vw, 28px); }
.ba-body h3, .ba-body h3.wp-block-heading { font-size: clamp(19px, 2vw, 23px); }
.ba-body h4, .ba-body h4.wp-block-heading {
  font-family: var(--font-mono);
  font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-accent);
  margin: 1.8em 0 0.6em;
}
.ba-body ul, .ba-body ol {
  padding-left: 1.4em;
  margin-bottom: 1.4em;
  list-style: disc;
}
.ba-body ol { list-style: decimal; }
.ba-body li { margin-bottom: 0.5em; }
.ba-body blockquote, .ba-body .wp-block-quote {
  border-left: 3px solid var(--color-accent2);
  padding: 16px 22px;
  background: var(--color-surface);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.8em 0;
  font-style: italic;
  color: var(--color-label);
}
.ba-body blockquote p, .ba-body .wp-block-quote p { margin-bottom: 0; }
.ba-body hr, .ba-body .wp-block-separator {
  border: none;
  border-top: 1px solid var(--color-stroke);
  margin: 2.4em 0;
}
.ba-body a { color: var(--color-accent); text-decoration: underline; text-underline-offset: 3px; }
.ba-body a:hover { color: var(--color-accent2); }
.ba-body img { border-radius: var(--radius-md); margin: 1.6em 0; }
.ba-body strong { font-weight: 500; }

/* CTA */
.ba-cta {
  margin-top: 56px;
  padding: 28px 32px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-accent);
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
}
.ba-cta p {
  font-family: var(--font-display);
  font-size: 20px; color: var(--color-text);
}
.ba-cta__link {
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--color-accent);
  transition: color 0.2s;
}
.ba-cta__link:hover { color: var(--color-accent2); }

/* Navegação prev/next lateral */
.ba-article-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  text-decoration: none;
}
.ba-article-nav--prev { left: 20px; }
.ba-article-nav--next { right: 20px; }
.ba-article-nav__btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--color-white);
  border: 1px solid var(--color-stroke);
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: var(--color-label);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.ba-article-nav:hover .ba-article-nav__btn {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}
@media (max-width: 900px) { .ba-article-nav { display: none; } }

/* Footer */
.ba-footer {
  background: var(--color-footer-bg);
  padding: 24px 28px; text-align: center;
}
.ba-footer p {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.07em;
  color: rgba(245,243,240,0.35);
}
.ba-footer a { color: rgba(245,243,240,0.35); transition: color 0.2s; }
.ba-footer a:hover { color: var(--color-accent2); }