.guide-hero {
  min-height: 68vh;
  padding: 150px 24px 80px;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(7, 15, 13, 0.9), rgba(15, 18, 43, 0.84)),
    url('../imagens-ia/empresa-consultoria-ia-portugal-biglearn-hero.webp') center/cover;
}

.guide-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 28%, rgba(99, 102, 241, 0.2), transparent 45%);
  pointer-events: none;
}

.guide-hero-inner {
  width: min(920px, 100%);
  position: relative;
  z-index: 1;
  text-align: center;
}

.guide-kicker,
.guide-meta {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #a5b4fc;
}

.guide-kicker { margin-bottom: 1.25rem; }
.guide-meta { margin-top: 1.5rem; color: var(--text-muted); }
.guide-hero h1 { max-width: 20ch; margin: 0 auto 1.4rem; }
.guide-dek { max-width: 72ch; margin: 0 auto; color: var(--text-secondary); font-size: clamp(1.05rem, 2vw, 1.25rem); }

.guide-shell {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 10px;
  display: grid;
  grid-template-columns: 240px minmax(0, 760px);
  gap: 64px;
  justify-content: center;
}

.guide-toc {
  position: sticky;
  top: 110px;
  align-self: start;
  padding: 22px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.035);
}

.guide-toc strong { display: block; margin-bottom: .8rem; }
.guide-toc a { display: block; padding: .42rem 0; color: var(--text-muted); text-decoration: none; font-size: .88rem; }
.guide-toc a:hover { color: #c7d2fe; }

.guide-article { min-width: 0; }
.guide-article > p:first-of-type { font-size: 1.16rem; color: var(--text-secondary); }
.guide-article h2 { margin: 3.2rem 0 1rem; scroll-margin-top: 110px; }
.guide-article h3 { margin: 2rem 0 .7rem; }
.guide-article p { margin: 0 0 1.15rem; color: var(--text-secondary); }
.guide-article ul, .guide-article ol { margin: 0 0 1.4rem 1.3rem; color: var(--text-secondary); }
.guide-article li { margin-bottom: .65rem; padding-left: .25rem; }
.guide-article strong { color: var(--text-primary); }
.guide-article a { color: #a5b4fc; }

.guide-summary {
  margin: 0 0 2.6rem;
  padding: 24px 26px;
  border: 1px solid rgba(99,102,241,.32);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(99,102,241,.12), rgba(139,92,246,.05));
}
.guide-summary h2 { margin: 0 0 .8rem; font-size: 1.25rem; }
.guide-summary ul { margin-bottom: 0; }

.guide-faq details {
  border-top: 1px solid var(--glass-border);
  padding: 1.15rem 0;
}
.guide-faq details:last-child { border-bottom: 1px solid var(--glass-border); }
.guide-faq summary { cursor: pointer; font-weight: 650; color: var(--text-primary); }
.guide-faq details p { padding: .9rem 0 0; margin: 0; }

.guide-related,
.guide-cta {
  width: min(1100px, calc(100% - 40px));
  margin: 80px auto 0;
}

.guide-related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.guide-card {
  display: block;
  min-height: 190px;
  padding: 24px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
.guide-card:hover { transform: translateY(-4px); border-color: rgba(99,102,241,.48); background: var(--bg-glass-hover); }
.guide-card small { color: #a5b4fc; text-transform: uppercase; letter-spacing: .1em; }
.guide-card h3 { margin: .8rem 0 .6rem; font-size: 1.15rem; }
.guide-card p { color: var(--text-muted); font-size: .92rem; }

.guide-cta {
  padding: clamp(30px, 6vw, 58px);
  text-align: center;
  border: 1px solid rgba(99,102,241,.32);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(99,102,241,.14), rgba(16,185,129,.06));
}
.guide-cta p { max-width: 68ch; margin: 0 auto 1.5rem; color: var(--text-secondary); }

.guides-index { width: min(1100px, calc(100% - 40px)); margin: 0 auto; padding: 80px 0 10px; }
.guides-group { margin-bottom: 64px; }
.guides-group-head { max-width: 70ch; margin-bottom: 24px; }
.guides-group-head p { color: var(--text-secondary); }
.guides-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }

@media (max-width: 880px) {
  .guide-shell { grid-template-columns: 1fr; gap: 30px; }
  .guide-toc { position: static; }
  .guide-related-grid, .guides-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .guide-hero { min-height: 62vh; padding-top: 125px; }
  .guide-shell, .guide-related, .guide-cta, .guides-index { width: min(100% - 28px, 1100px); }
}