/* ============================================================
   SEÇÃO 4 — A SOLUÇÃO (A VIRADA + 6 ENGRENAGENS)
   Composta por 2 sub-seções:
   1. "A virada" — bloco curto branco que muda o frame
   2. "6 engrenagens" — grid escuro com os pilares da metodologia
   ============================================================ */

/* ============================================================
   PARTE 1 — A VIRADA (fundo claro, respiro narrativo)
   ============================================================ */
.shift {
  background-color: var(--color-bg-light);
  padding-block: clamp(3.5rem, 2.5rem + 3vw, 5.5rem);
  position: relative;
  text-align: center;
  overflow: hidden;
}

/* Conectores visuais — pequenas linhas verticais que conectam essa seção
   com a Seção 3 acima e a Parte 2 abaixo */
.shift__connector {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--color-blue), transparent);
}

.shift__connector--top {
  top: 0;
}

.shift__connector--bottom {
  bottom: 0;
  background: linear-gradient(0deg, var(--color-blue), transparent);
}

.shift__inner {
  max-width: 760px;
  margin-inline: auto;
}

.shift__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-blue-tint);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: var(--space-5);
}

.shift__title {
  font-size: var(--fs-4xl);
  font-weight: var(--fw-extrabold);
  line-height: 1.1;
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
  text-wrap: balance;
}

.shift__title .accent {
  color: var(--color-blue);
}

.shift__text {
  font-size: var(--fs-lg);
  line-height: var(--lh-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  text-wrap: pretty;
}

.shift__text:last-of-type {
  margin-bottom: var(--space-8);
}

.shift__text strong {
  color: var(--color-text-primary);
  font-weight: var(--fw-semibold);
}

.shift__text .accent {
  color: var(--color-blue);
  font-weight: var(--fw-semibold);
}

/* Indicador "veja como funciona" — seta animada que convida pro próximo bloco */
.shift__arrow {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-blue);
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  text-decoration: none;
  transition: transform var(--transition-base);
}

.shift__arrow:hover {
  transform: translateY(4px);
}

.shift__arrow-icon {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  animation: arrow-bounce 2s ease-in-out infinite;
}

.shift__arrow-icon svg {
  width: 100%;
  height: 100%;
}

@keyframes arrow-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ============================================================
   PARTE 2 — 6 ENGRENAGENS DOS PROCESSOS COMERCIAIS
   ============================================================ */
.solution {
  background: linear-gradient(180deg, #0a0828 0%, #0F0A3D 100%);
  color: var(--color-text-on-dark);
  position: relative;
  overflow: hidden;
  padding-block: clamp(4rem, 2.5rem + 4vw, 6.5rem);
  isolation: isolate;
}

/* Glow azul atrás dos cards */
.solution::before {
  content: '';
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(0, 113, 188, 0.15), transparent 70%);
  filter: blur(80px);
  z-index: -1;
  pointer-events: none;
}

.solution__header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: clamp(2.5rem, 1.5rem + 3vw, 4rem);
}

.solution__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background-color: rgba(0, 113, 188, 0.18);
  border: 1px solid rgba(0, 113, 188, 0.4);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: #6FBEEC;
  margin-bottom: var(--space-5);
}


.solution__title {
  font-size: var(--fs-4xl);
  font-weight: var(--fw-extrabold);
  line-height: 1.1;
  letter-spacing: var(--tracking-tight);
  color: var(--color-white);
  margin-bottom: var(--space-5);
  text-wrap: balance;
}

.solution__title .accent {
  color: var(--color-blue);
  background: linear-gradient(135deg, #4DA8E8 0%, var(--color-blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.solution__subtitle {
  font-size: var(--fs-lg);
  line-height: var(--lh-relaxed);
  color: var(--color-text-on-dark-muted);
  max-width: 700px;
  margin-inline: auto;
  text-wrap: pretty;
}

.solution__subtitle strong {
  color: var(--color-white);
  font-weight: var(--fw-semibold);
}

.solution__subtitle .accent {
  color: #6FBEEC;
}

/* ----- Grid dos 6 pilares ----- */
.solution__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  max-width: 1080px;
  margin-inline: auto;
  margin-bottom: clamp(2.5rem, 1.5rem + 3vw, 4rem);
}

@media (min-width: 640px) {
  .solution__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
}

@media (min-width: 1024px) {
  .solution__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
  }
}

.solution__card {
  position: relative;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 1.25rem + 1vw, 1.75rem);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform var(--transition-base),
              border-color var(--transition-base),
              background-color var(--transition-base);
  overflow: hidden;
}

.solution__card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(0, 113, 188, 0.5);
}

/* Número grande no canto superior direito */
.solution__card-number {
  position: absolute;
  top: var(--space-4);
  right: var(--space-5);
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: var(--fw-black);
  line-height: 1;
  color: rgba(0, 113, 188, 0.3);
  letter-spacing: -0.04em;
  transition: color var(--transition-base);
}

.solution__card:hover .solution__card-number {
  color: rgba(0, 113, 188, 0.7);
}

.solution__card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(0, 113, 188, 0.18);
  border: 1px solid rgba(0, 113, 188, 0.35);
  display: grid;
  place-items: center;
  margin-bottom: var(--space-4);
  color: #6FBEEC;
}

.solution__card-icon svg {
  width: 22px;
  height: 22px;
}

.solution__card-title {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--color-white);
  margin-bottom: var(--space-3);
  letter-spacing: var(--tracking-tight);
  line-height: 1.3;
  padding-right: var(--space-8); /* espaço pro número não colidir */
}

.solution__card-text {
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  color: var(--color-text-on-dark-muted);
}

.solution__card-text strong {
  color: var(--color-white);
  font-weight: var(--fw-semibold);
}

/* ----- Bloco-virada da solução ----- */
.solution__verdict {
  max-width: 760px;
  margin-inline: auto;
  padding: clamp(1.5rem, 1.25rem + 1vw, 2rem);
  background: rgba(0, 113, 188, 0.08);
  border-left: 3px solid var(--color-blue);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  margin-bottom: var(--space-8);
  position: relative;
}

.solution__verdict::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 113, 188, 0.1), transparent);
  border-radius: inherit;
  pointer-events: none;
}

.solution__verdict-text {
  position: relative;
  font-size: var(--fs-base);
  line-height: var(--lh-relaxed);
  color: rgba(255, 255, 255, 0.9);
  font-style: italic;
}

.solution__verdict-text strong {
  color: var(--color-white);
  font-style: normal;
  font-weight: var(--fw-semibold);
}

/* ----- CTA final ----- */
.solution__cta {
  text-align: center;
}