/* ═══════════════════════════════════════════════
   AVANCCE — process-automation.css
   Seção "Automação de Processos" — stepper interativo
   ═══════════════════════════════════════════════ */

.process {
  position: relative;
  z-index: 2;
  background: var(--surface-section);
  scroll-margin-top: var(--nav-offset);
  overflow: hidden;
}
.process .section-header {
  max-width: 720px;
}
.process .section-sub {
  max-width: 560px;
  margin: 0 auto;
}

/* ── Flow wrapper ─────────────────────────────── */
.pa-flow {
  position: relative;
  margin: 0 auto;
  max-width: 1100px;
}

/* Linha conectora (geometria calculada via JS) */
.pa-track {
  position: absolute;
  z-index: 0;
  background: rgba(139, 92, 246, 0.16);
  border-radius: 99px;
  pointer-events: none;
}
.pa-track-fill {
  position: absolute;
  top: 0;
  left: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent) 0%, var(--brand-burnt-orange) 100%);
  box-shadow: 0 0 12px rgba(193, 95, 51, 0.45);
  transition: width 0.55s cubic-bezier(0.4, 0, 0.2, 1),
              height 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}
.pa-flow--v .pa-track-fill {
  background: linear-gradient(180deg, var(--accent) 0%, var(--brand-burnt-orange) 100%);
}
/* "Partícula" que percorre o caminho entre as etapas */
.pa-track-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--brand-burnt-orange);
  box-shadow:
    0 0 0 3px rgba(193, 95, 51, 0.25),
    0 0 16px rgba(193, 95, 51, 0.75);
  transform: translate(-50%, -50%);
  transition: left 0.55s cubic-bezier(0.4, 0, 0.2, 1),
              top 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}
.pa-track-dot.pa-dot-pulse {
  animation: paDotPulse 0.6s ease-out;
}
@keyframes paDotPulse {
  0%   { box-shadow: 0 0 0 3px rgba(193, 95, 51, 0.4),  0 0 16px rgba(193, 95, 51, 0.8); }
  50%  { box-shadow: 0 0 0 10px rgba(193, 95, 51, 0.12), 0 0 26px rgba(193, 95, 51, 0.9); }
  100% { box-shadow: 0 0 0 3px rgba(193, 95, 51, 0.25),  0 0 16px rgba(193, 95, 51, 0.75); }
}

/* ── Steps grid ───────────────────────────────── */
.pa-steps {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(12px, 1.4vw, 18px);
  list-style: none;
  margin: 0;
  padding: 0;
}
.pa-step-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  width: 100%;
  height: 100%;
  padding: 24px 16px 22px;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font);
  /* Glassmorphism: fundo translúcido + blur + borda com brilho sutil */
  background: linear-gradient(160deg, rgba(150, 70, 240, 0.07) 0%, rgba(19, 2, 40, 0.55) 100%);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0.5;
  transition: opacity 0.4s ease, border-color 0.4s ease,
              box-shadow 0.4s ease, transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              background 0.4s ease;
}
.pa-step-btn:hover {
  opacity: 0.85;
  border-color: var(--border-accent);
}
.pa-step-btn:focus-visible {
  outline: 2px solid var(--accent-hot);
  outline-offset: 3px;
}
.pa-step.is-active .pa-step-btn {
  opacity: 1;
  background: linear-gradient(160deg, rgba(150, 70, 240, 0.16) 0%, rgba(19, 2, 40, 0.72) 100%);
  border-color: rgba(139, 92, 246, 0.55);
  box-shadow:
    0 0 0 1px rgba(139, 92, 246, 0.18),
    0 8px 34px rgba(124, 58, 237, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transform: translateY(-4px);
}
.pa-step.is-done .pa-step-btn {
  opacity: 0.8;
}

.pa-step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(150, 70, 240, 0.2), rgba(120, 50, 220, 0.1));
  border: 1px solid rgba(193, 95, 51, 0.28);
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
  flex-shrink: 0;
}
.pa-step-icon svg,
.pa-step-icon [data-lucide] {
  width: 26px;
  height: 26px;
  color: var(--accent-hot);
  transition: color 0.4s ease;
}
.pa-step.is-active .pa-step-icon {
  border-color: rgba(193, 95, 51, 0.6);
  box-shadow: 0 0 22px rgba(139, 92, 246, 0.4);
}
.pa-step.is-active .pa-step-icon svg,
.pa-step.is-active .pa-step-icon [data-lucide] {
  color: #c4b5fd;
}

.pa-step-num {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text-subtle);
  transition: color 0.4s ease;
}
.pa-step.is-active .pa-step-num { color: var(--brand-burnt-orange); }

.pa-step-name {
  font-family: var(--font-heading);
  font-size: clamp(13px, 1vw, 15px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  text-wrap: balance;
}
.pa-step-desc {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-muted);
  text-wrap: pretty;
}

/* ── Controles ────────────────────────────────── */
.pa-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 36px;
}
.pa-progress-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  min-width: 92px;
  text-align: center;
}
.pa-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 100px;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: var(--transition);
}
.pa-nav-btn svg, .pa-nav-btn [data-lucide] { width: 16px; height: 16px; }
.pa-nav-btn--prev {
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-accent);
}
.pa-nav-btn--prev:hover:not(:disabled) {
  background: rgba(150, 70, 240, 0.08);
  color: #fff;
  border-color: var(--accent-hot);
}
.pa-nav-btn--next {
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hot) 100%);
  border: none;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.35);
}
.pa-nav-btn--next:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(124, 58, 237, 0.5);
  filter: brightness(1.1);
}
.pa-nav-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ── Mobile: stepper vertical ─────────────────── */
@media (max-width: 860px) {
  .pa-steps {
    grid-template-columns: 1fr;
    gap: 14px;
    /* espaço para a linha conectora vertical à esquerda */
    padding-left: 30px;
  }
  .pa-step-btn {
    flex-direction: row;
    text-align: left;
    align-items: flex-start;
    gap: 16px;
    padding: 18px 18px 18px 20px;
    display: grid;
    grid-template-columns: 46px 1fr;
    grid-template-areas:
      "icon num"
      "icon name"
      "icon desc";
    row-gap: 4px;
  }
  .pa-step-icon {
    grid-area: icon;
    width: 46px;
    height: 46px;
    margin-top: 2px;
  }
  .pa-step-icon svg,
  .pa-step-icon [data-lucide] { width: 22px; height: 22px; }
  .pa-step-num  { grid-area: num;  text-align: left; }
  .pa-step-name { grid-area: name; }
  .pa-step-desc { grid-area: desc; }
  .pa-step.is-active .pa-step-btn { transform: translateX(4px); }
  .pa-controls { flex-wrap: wrap; gap: 12px; margin-top: 28px; }
}

/* ── Reduced motion ───────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .pa-track-fill,
  .pa-track-dot,
  .pa-step-btn,
  .pa-step-icon,
  .pa-step-icon svg,
  .pa-nav-btn {
    transition: none !important;
  }
  .pa-track-dot.pa-dot-pulse { animation: none; }
  .pa-step.is-active .pa-step-btn { transform: none; }
}