.solutions-section {
  padding: var(--section-padding) 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.solutions-list-wrap {
  flex: 1;
  max-width: 500px;
}

.sol-list-item {
  margin-bottom: 24px;
  position: relative;
  padding-left: 20px;
}

.sol-list-item::before {
  content: '◆';
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--accent);
  font-size: 0.8rem;
}

/* --- Dynamic Integrations Flow --- */
.integrations-graphic {
  flex: 1;
  position: relative;
  min-height: 500px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.int-flow-container {
  position: relative;
  width: 450px;
  height: 450px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.int-center-logo {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  box-shadow: 0 0 25px rgba(225, 185, 120, 0.15);
}

.int-flow-branch {
  position: absolute;
  display: flex;
}

.branch-top {
  flex-direction: column-reverse; /* node at top (far from center), line below */
  bottom: 50%;
  left: 50%;
  transform: translateX(-50%);
  align-items: center;
}
.branch-bottom {
  flex-direction: column; /* line near center, node at bottom (far from center) */
  top: 50%;
  left: 50%;
  transform: translateX(-50%);
  align-items: center;
}
.branch-right {
  flex-direction: row; /* Center to right, node on right */
  top: 50%;
  left: 50%;
  transform: translateY(-50%);
  align-items: center;
}
.branch-left {
  flex-direction: row-reverse; /* Center to left, node on left */
  top: 50%;
  right: 50%;
  transform: translateY(-50%);
  align-items: center;
}

.int-flow-line {
  position: relative;
  background: rgba(225, 185, 120, 0.2);
  overflow: hidden;
}

/* Length of the lines */
.branch-top .int-flow-line,
.branch-bottom .int-flow-line {
  width: 1px;
  height: 120px;
}
.branch-left .int-flow-line,
.branch-right .int-flow-line {
  height: 1px;
  width: 120px;
}

/* --- Pulses --- */
.int-pulse {
  position: absolute;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  opacity: 0;
}

.branch-top .int-pulse {
  width: 3px; height: 16px; left: -1px;
  animation: pulse-y-up 2.5s infinite ease-in-out;
}
.branch-bottom .int-pulse {
  width: 3px; height: 16px; left: -1px;
  animation: pulse-y-down 2.5s infinite ease-in-out 1.2s;
}
.branch-right .int-pulse {
  width: 16px; height: 3px; top: -1px;
  animation: pulse-x-right 2.5s infinite ease-in-out 0.6s;
}
.branch-left .int-pulse {
  width: 16px; height: 3px; top: -1px;
  animation: pulse-x-left 2.5s infinite ease-in-out 1.8s;
}

@keyframes pulse-y-up {
  0% { top: 100%; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { top: 0%; opacity: 0; }
}
@keyframes pulse-y-down {
  0% { top: 0%; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}
@keyframes pulse-x-right {
  0% { left: 0%; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}
@keyframes pulse-x-left {
  0% { left: 100%; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { left: 0%; opacity: 0; }
}

/* --- Nodes --- */
.int-node-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.int-node {
  background: var(--bg-card);
  border: 1px solid rgba(225, 185, 120, 0.4);
  border-radius: 14px;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  z-index: 2;
  transition: all 0.3s ease;
  color: var(--accent);
}

.int-node svg {
  width: 64px;
  height: 64px;
  display: block;
  flex-shrink: 0;
}

.int-node:hover {
  border-color: var(--accent);
  box-shadow: 0 0 15px rgba(225, 185, 120, 0.2);
  transform: scale(1.05);
}

.int-node img {
  width: 65%;
  height: 65%;
  object-fit: contain;
  /* Monocromo adaptativo usando filtro sepia (dorado/claro) */
  filter: grayscale(1) brightness(0) invert(1) opacity(0.85);
  transition: all 0.3s ease;
}

.int-node:hover img {
  filter: grayscale(1) brightness(0) invert(1) opacity(1);
  transform: scale(1.05);
}

/* --- Labels --- */
.int-node-label {
  position: absolute;
  width: max-content;
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
  line-height: 1.5;
  font-family: var(--font-sans);
}

.branch-top .int-node-label {
  bottom: 100%;
  margin-bottom: 12px;
  text-align: center;
}
.branch-bottom .int-node-label {
  top: 100%;
  margin-top: 12px;
  text-align: center;
}
.branch-right .int-node-label {
  left: 100%;
  margin-left: 16px;
  text-align: left;
}
.branch-left .int-node-label {
  right: 100%;
  margin-right: 16px;
  text-align: right;
}

.int-node-label strong {
  display: block;
  font-size: 0.8rem;
  color: var(--text-primary);
  margin-bottom: 2px;
}

@media (max-width: 900px) {
  .int-flow-container { transform: scale(0.85); }
}
@media (max-width: 600px) {
  .int-flow-container { transform: scale(0.65); }
}