.portfolio {
  background: var(--bg);
  padding: clamp(4rem, 10vw, 6rem) 0;
}

.portfolio__inner {
  max-width: 1200px;
  margin: 0 auto;
}

.portfolio__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0 1.5rem;
  margin-bottom: clamp(2rem, 5vw, 3rem);
}

.portfolio__eyebrow {
  font-family: var(--font-mono);
  font-size: clamp(0.6rem, 1.3vw, 0.75rem);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
}

.portfolio__title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  color: var(--text);
  max-width: 22ch;
}

.portfolio__nav {
  display: none;
  gap: 0.6rem;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .portfolio__nav { display: flex; }
}

.portfolio__nav-btn {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 999px;
  border: 1px solid rgba(237, 237, 245, 0.16);
  background: transparent;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.portfolio__nav-btn:hover {
  background: var(--indigo);
  border-color: var(--indigo);
}

.portfolio__nav-btn:disabled {
  opacity: 0.3;
  cursor: default;
}

.portfolio__nav-btn:disabled:hover {
  background: transparent;
  border-color: rgba(237, 237, 245, 0.16);
}

/* Track / carrusel */
.portfolio__track {
  display: flex;
  gap: 1.1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 0 1.5rem;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.portfolio__track::-webkit-scrollbar {
  display: none;
}

.portfolio__card {
  position: relative;
  flex: 0 0 auto;
  width: min(320px, 82vw);
  aspect-ratio: 4 / 5;
  border-radius: 1.1rem;
  overflow: hidden;
  scroll-snap-align: start;
  display: block;
}

@media (min-width: 1024px) {
  .portfolio__card { width: 340px; }
}

.portfolio__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.portfolio__card:hover .portfolio__img {
  transform: scale(1.06);
}

.portfolio__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10, 10, 18, 0.92) 0%,
    rgba(10, 10, 18, 0.55) 45%,
    rgba(20, 26, 61, 0.15) 100%
  );
}

.portfolio__content {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  padding: 1.5rem;
  color: var(--text);
}

.portfolio__card-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.portfolio__card-desc {
  font-size: 0.85rem;
  line-height: 1.5;
  color: rgba(237, 237, 245, 0.8);
  margin-bottom: 1rem;
}

.portfolio__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text);
}

.portfolio__link svg {
  transition: transform 0.25s var(--ease);
}

.portfolio__card:hover .portfolio__link svg {
  transform: translateX(3px);
}

/* Dots */
.portfolio__dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.75rem;
}

.portfolio__dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(237, 237, 245, 0.25);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background 0.25s var(--ease), width 0.25s var(--ease);
}

.portfolio__dot.is-active {
  background: var(--indigo);
  width: 18px;
}

/* Estado inicial de animación */
.portfolio__inner[data-fade-portfolio] {
  opacity: 0;
  transform: translateY(20px);
}