.portfolio-slider {
  --accent: #7CB342;
  --ink: #1a1c18;
  position: relative;
}

.slider-viewport {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  background: #111;
  box-shadow: 0 12px 32px rgba(0,0,0,0.18);
}

.slider-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.65, 0, 0.35, 1);
  will-change: transform;
}

.slide {
  min-width: 100%;
  position: relative;
}

.slide img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  display: block;
}

.slide-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 20px 24px 18px;
  background: linear-gradient(to top, rgba(0,0,0,0.85), rgba(0,0,0,0));
  color: #fff;
  font-size: 1em;
  font-weight: 500;
}

.slide-caption em {
  display: block;
  font-style: normal;
  color: #c9d8b8;
  font-size: 0.85em;
  margin-top: 2px;
}

/* Flechas */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px; height: 44px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.9);
  color: var(--ink);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
  z-index: 2;
}
.slider-arrow:hover { background: var(--accent); color: #fff; }
.slider-prev { left: 14px; }
.slider-next { right: 14px; }

/* Footer: dots + contador */
.slider-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 18px;
}

.slider-dots {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  max-width: 70%;
  justify-content: center;
}

.slider-dots button {
  width: 8px; height: 8px;
  border-radius: 50%;
  border: none;
  background: #d8dad3;
  cursor: pointer;
  padding: 0;
  transition: background 0.2s ease, transform 0.2s ease;
}
.slider-dots button.is-active {
  background: var(--accent);
  transform: scale(1.3);
}

.slider-counter {
  font-size: 0.8em;
  color: #7c8074;
  font-variant-numeric: tabular-nums;
}

@media screen and (max-width: 640px) {
  .slide img { height: 280px; }
  .slider-arrow { width: 36px; height: 36px; }
  .slide-caption { font-size: 0.85em; padding: 14px 16px; }
}