/* ==============================================================
   ZYNTEK — card-inteligencia artificial & automaçoes.css
   Herda tokens, header, footer, hero-frame, contact-section e
   pros-cons-grid de projeto-lp.css. Aqui ficam só os blocos
   exclusivos desta página: fundamentos, processo, operação,
   estatísticas e o mockup do "agente de IA".
   (Estrutura, cores, fundo e comportamento 100% idênticos aos
   já usados nas demais páginas de card — nada de design foi
   alterado, apenas o conteúdo.)
   ============================================================== */

/* ---------- Voltar ---------- */
.back-link-row { margin-bottom: 1.8rem; }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  transition: color 0.2s ease, gap 0.2s ease;
}
.back-link:hover { color: var(--accent-soft); gap: 10px; }

/* ---------- Mini índice de navegação da página ---------- */
.page-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin: -1.6rem 0 3.5rem;
}
.page-toc a {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: var(--panel-alt);
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.page-toc a:hover,
.page-toc a.is-active {
  border-color: var(--accent);
  color: var(--text);
  transform: translateY(-2px);
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s cubic-bezier(.16,1,.3,1), transform 0.7s cubic-bezier(.16,1,.3,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* --------------------------------------------------------------
   FUNDAMENTOS — "O que é, na prática, um agente de IA sob medida?"
   -------------------------------------------------------------- */
.fundamentos-section { padding: clamp(3rem, 7vw, 5.5rem) 0; }

.fundamentos-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

.fundamentos-text .eyebrow { display: inline-flex; }
.fundamentos-text h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 700;
  margin-bottom: 1.1rem;
  line-height: 1.2;
}
.fundamentos-text > p {
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 1.1rem;
}
.fundamentos-text > p:last-of-type { margin-bottom: 0; }
.fundamentos-text strong { color: var(--text); }

.usecase-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.8rem;
}
.usecase-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.05rem;
  border-radius: 999px;
  border: 1px solid rgba(124, 58, 237, 0.25);
  background: var(--accent-dim);
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.25s ease;
}
.usecase-tag:hover {
  border-color: rgba(124, 58, 237, 0.5);
  transform: translateY(-2px);
}
.usecase-tag svg { width: 14px; height: 14px; color: var(--accent-soft); flex-shrink: 0; }

/* Mockup de "agente/painel de IA" dentro da moldura zynk-frame */
.sw-dashboard {
  display: grid;
  grid-template-columns: 64px 1fr;
  min-height: 300px;
  background: linear-gradient(160deg, #171025, #0b0814);
}
.sw-dashboard-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  padding: 1.2rem 0;
  border-right: 1px solid var(--border);
}
.sw-dashboard-rail span {
  width: 30px; height: 30px;
  border-radius: 9px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  color: var(--text-dim);
}
.sw-dashboard-rail span svg { width: 14px; height: 14px; }
.sw-dashboard-rail span.is-active {
  background: var(--accent-dim);
  border-color: rgba(124,58,237,0.5);
  color: var(--accent-soft);
}

.sw-dashboard-main { padding: 1.2rem 1.3rem 1.4rem; }
.sw-dashboard-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
  margin-bottom: 1.1rem;
}
.sw-dashboard-cards div {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
}
.sw-card-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
}
.sw-card-value {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
}
.sw-card-value.up { color: var(--success); }

.sw-dashboard-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 96px;
  padding: 0.9rem 0.9rem 0;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.sw-dashboard-chart i {
  flex: 1;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, var(--accent-soft), var(--accent));
  opacity: 0.85;
}

/* --------------------------------------------------------------
   PROCESSO — "Como construímos seu agente de IA"
   -------------------------------------------------------------- */
.processo-section { padding: clamp(2rem, 6vw, 4rem) 0 clamp(3rem, 7vw, 6rem); }

.process-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.6rem;
  margin-top: 1rem;
  counter-reset: process-step;
  position: relative;
}
.process-track::before {
  content: "";
  position: absolute;
  top: 27px;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124,58,237,0.4) 15%, rgba(124,58,237,0.4) 85%, transparent);
  z-index: 0;
}
.process-step { position: relative; z-index: 1; counter-increment: process-step; }
.process-step-number {
  width: 54px; height: 54px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--panel-solid);
  border: 1px solid rgba(124,58,237,0.4);
  color: var(--accent-soft);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 0 20px rgba(124,58,237,0.2);
}
.process-step-number::before { content: counter(process-step, decimal-leading-zero); }
.process-step h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.6rem; }
.process-step p { font-size: 0.9rem; line-height: 1.65; color: var(--text-muted); }

/* --------------------------------------------------------------
   OPERAÇÃO & CRESCIMENTO
   -------------------------------------------------------------- */
.operacao-section { padding: clamp(3rem, 7vw, 5.5rem) 0; }

.growth-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}
.growth-layout.reverse .growth-media { order: 2; }
.growth-layout.reverse .growth-text { order: 1; }

.growth-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 800;
  margin-bottom: 1.1rem;
  line-height: 1.2;
}
.growth-text > p {
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}
.growth-list { display: flex; flex-direction: column; gap: 1.1rem; }
.growth-list li {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.growth-list li svg {
  width: 20px; height: 20px;
  flex-shrink: 0;
  color: var(--accent-soft);
  margin-top: 2px;
}
.growth-list li strong { color: var(--text); }

/* Estatísticas — "Automação com IA é o que sustenta operações enxutas" */
.stats-band {
  margin-top: clamp(3rem, 6vw, 4.5rem);
  padding-top: clamp(2.5rem, 5vw, 3.5rem);
  border-top: 1px solid var(--border);
  text-align: center;
}
.stats-band .section-head { margin-bottom: 2.6rem; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.stat-block { background: var(--panel); padding: 2rem 1.25rem; }
.stat-block .stat-number {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--accent-soft);
  letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 0.6rem;
}
.stat-block .stat-caption {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* --------------------------------------------------------------
   COMPARATIVO — reaproveita .pros-cons-grid / .impact-card
   -------------------------------------------------------------- */
.comparativo-section { padding: clamp(2rem, 6vw, 4rem) 0 clamp(3rem, 7vw, 6rem); }

/* --------------------------------------------------------------
   RESPONSIVO
   -------------------------------------------------------------- */
@media (max-width: 992px) {
  .fundamentos-layout,
  .growth-layout,
  .growth-layout.reverse .growth-media,
  .growth-layout.reverse .growth-text { grid-template-columns: 1fr; order: unset; }
  .fundamentos-layout, .growth-layout { grid-template-columns: 1fr; }
  .fundamentos-media { order: -1; }

  .process-track { grid-template-columns: repeat(2, 1fr); row-gap: 2.4rem; }
  .process-track::before { display: none; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .page-toc { margin-top: -0.5rem; }
}

@media (max-width: 768px) {
  .process-track { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .sw-dashboard { grid-template-columns: 1fr; }
  .sw-dashboard-rail { flex-direction: row; justify-content: center; border-right: none; border-bottom: 1px solid var(--border); }
  .sw-dashboard-cards { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .page-toc { display: none; }
}