/* ============================================================
   SEÇÃO INSTITUCIONAL — Light Mode
   ============================================================ */

.institucional {
  padding: var(--section-py) 0;
  background: var(--color-bg-alt);
  position: relative;
  overflow: hidden;
}

.institucional::after {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 55%;
  height: 120%;
  background: radial-gradient(ellipse at 70% 40%,
    rgba(0, 180, 166, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.institucional::before { display: none; }

/* --- GRID 50 / 50 --- */
.institucional__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
  align-items: center;
  position: relative;
  z-index: 1;
}

/* COLUNA ESQUERDA */
.institucional__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.institucional__eyebrow {
  font-family: var(--font-body);
  font-size: var(--size-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-teal);
}

.institucional__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: var(--weight-bold);
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--color-text);
}

.institucional__title em {
  font-style: normal;
  color: var(--color-teal);
}

.institucional__body {
  font-size: var(--size-lg);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  max-width: 440px;
}

.institucional__body strong {
  color: var(--color-text);
  font-weight: var(--weight-semibold);
}

/* Estatísticas */
.institucional__stat-row {
  display: flex;
  gap: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.institucional__stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.institucional__stat-value {
  font-family: var(--font-display);
  font-size: var(--size-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-teal);
  line-height: 1;
}

.institucional__stat-label {
  font-size: var(--size-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--color-text-light);
}

.institucional__cta-row {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding-top: var(--space-4);
}

/* COLUNA DIREITA — Container 3D */
.institucional__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.institucional__visual-aura { display: none; }

.canvas-3d-container {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 480px;
  background: var(--color-bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.canvas-3d-container::before,
.canvas-3d-container::after { display: none; }

.canvas-3d-container canvas,
.canvas-3d-container iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: none;
}

/* PLACEHOLDER */
.canvas-3d-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  padding: var(--space-8);
  text-align: center;
  z-index: 1;
}

.canvas-3d-placeholder__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 180, 166, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 180, 166, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  animation: grid-drift 16s linear infinite;
  pointer-events: none;
}

@keyframes grid-drift {
  from { background-position: 0 0; }
  to   { background-position: 48px 48px; }
}

.canvas-3d-placeholder__icon {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}

.canvas-3d-placeholder__icon svg {
  filter: drop-shadow(0 0 16px rgba(0, 180, 166, 0.2));
  animation: float-gentle 5s ease-in-out infinite;
}

@keyframes float-gentle {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

.canvas-3d-placeholder__ring {
  position: absolute;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  border: 1px solid rgba(0, 180, 166, 0.15);
  animation: pulse-out 4s ease-out infinite;
}

.canvas-3d-placeholder__ring:nth-child(2) {
  animation-delay: 1.8s;
  border-color: rgba(212, 160, 23, 0.1);
}

@keyframes pulse-out {
  0%   { transform: scale(0.85); opacity: 0.7; }
  100% { transform: scale(1.9);  opacity: 0; }
}

.canvas-3d-placeholder__label {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.canvas-3d-placeholder__title {
  font-family: var(--font-display);
  font-size: var(--size-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-teal);
}

.canvas-3d-placeholder__desc {
  font-size: var(--size-xs);
  color: var(--color-text-light);
  max-width: 220px;
  line-height: 1.5;
}

.canvas-3d-placeholder__tag {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 3px 14px;
  font-size: var(--size-xs);
  color: var(--color-text-muted);
  font-weight: var(--weight-semibold);
}

.canvas-3d-placeholder__tag::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-teal);
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.2; }
}

.canvas-3d-corner { display: none; }

/* RESPONSIVO */
@media (max-width: 900px) {
  .institucional__grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  .institucional__body { max-width: 100%; }
  .canvas-3d-container {
    max-width: 380px;
    margin-inline: auto;
  }
}

@media (max-width: 480px) {
  .canvas-3d-container { max-width: 100%; }
  .institucional__title { font-size: 2rem; }
}