/* ==============================
   PROYECTOS — ESTILOS ESPECÍFICOS
============================== */

/* ---- Filtros ---- */
.port-filters {
  background: var(--white);
  padding: 2.5rem 0 2rem;
  border-bottom: 1px solid #eee;
}

.port-filters__wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.port-filter {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.5rem 1.2rem;
  border: 1px solid #ddd;
  background: transparent;
  color: #888;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.port-filter:hover {
  border-color: var(--dark);
  color: var(--dark);
}

.port-filter.active {
  background: var(--dark);
  border-color: var(--dark);
  color: var(--yellow);
}

/* ---- Galería ---- */
.port-gallery {
  padding: 3rem 0 5rem;
  background: var(--white);
}

.port-gallery .container {
  max-width: 1100px;
}

.port-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: #d8d8d8;
  cursor: pointer;
}

/* Placeholder cuadriculado */
.port-card__img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: #c8c8c8;
  background-image: repeating-linear-gradient(
    45deg,
    rgba(0,0,0,0.04) 0px,
    rgba(0,0,0,0.04) 1px,
    transparent 1px,
    transparent 16px
  );
  transition: transform 0.5s ease;
}

.port-card:hover .port-card__img {
  transform: scale(1.07);
}

/* Overlay al hover */
.port-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(245, 200, 0, 0.92);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.4rem;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 2;
}

.port-card:hover .port-card__overlay {
  opacity: 1;
}

.port-card__tag {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--dark);
  background: rgba(0,0,0,0.1);
  display: inline-block;
  padding: 0.2rem 0.6rem;
  margin-bottom: 0.5rem;
  align-self: flex-start;
}

.port-card__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--dark);
  margin: 0;
  line-height: 1.2;
}

.port-card__icon {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  font-size: 1.5rem;
  color: var(--dark);
}

/* ---- Sección Clientes ---- */
.clients-section {
  background: var(--dark);
  padding: 5rem 0 4rem;
  overflow: hidden;
  border-top: 2px solid var(--yellow);
}

.clients-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.clients-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--white);
  margin-bottom: 0.8rem;
}

.clients-title span { color: var(--yellow); }

.clients-sub {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: rgba(255,255,255,0.55);
  max-width: 480px;
  margin: 0 auto 1.5rem;
  line-height: 1.7;
}

.clients-divider {
  width: 48px;
  height: 3px;
  background: var(--yellow);
  margin: 0 auto;
}

/* ---- Reel de logos (marquee infinito) ---- */
.clients-reel-wrap {
  position: relative;
  overflow: hidden;
  /* Fade en los bordes */
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 10%,
    black 90%,
    transparent 100%
  );
  mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 10%,
    black 90%,
    transparent 100%
  );
}

.clients-reel {
  display: flex;
  width: 100%;
}

.clients-track {
  display: flex;
  gap: 2rem;
  align-items: center;
  animation: marquee 28s linear infinite;
  will-change: transform;
}

.clients-reel-wrap:hover .clients-track {
  animation-play-state: paused;
}

@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Logo individual */
.client-logo {
  flex-shrink: 0;
  width: 160px;
  height: 80px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s;
  cursor: pointer;
}

.client-logo:hover {
  background: rgba(245,200,0,0.1);
  border-color: rgba(245,200,0,0.4);
}

.client-logo__img {
  width: 110px;
  height: 50px;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  /* Placeholder: rectángulo difuminado */
  background-color: transparent;
  background-image:
    linear-gradient(
      90deg,
      rgba(255,255,255,0.08) 0%,
      rgba(255,255,255,0.18) 40%,
      rgba(255,255,255,0.08) 100%
    );
  border-radius: 2px;
  filter: grayscale(1) brightness(0.9);
  transition: filter 0.2s;
}

.client-logo:hover .client-logo__img {
  filter: grayscale(0) brightness(1.1);
}

/* ---- Responsive ---- */
@media (max-width: 767px) {
  .port-filters__wrap {
    gap: 0.4rem;
  }

  .port-filter {
    font-size: 0.68rem;
    padding: 0.4rem 0.85rem;
  }

  .client-logo {
    width: 120px;
    height: 64px;
  }

  .client-logo__img {
    width: 85px;
    height: 40px;
  }
}

/* ==============================
   LIGHTBOX
============================== */
.lightbox__backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 1050;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox__backdrop.is-open {
  opacity: 1;
  pointer-events: all;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1060;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: all;
}

/* Imagen principal */
.lightbox__stage {
  position: relative;
  width: min(90vw, 1000px);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.lightbox__img {
  width: 100%;
  aspect-ratio: 4/3;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  background-color: #111;
  background-image: repeating-linear-gradient(
    45deg,
    rgba(255,255,255,0.02) 0px,
    rgba(255,255,255,0.02) 1px,
    transparent 1px,
    transparent 20px
  );
  transition: opacity 0.16s ease;
}

.lightbox__img.is-switching {
  opacity: 0;
}

/* Info bar */
.lightbox__info {
  background: var(--dark);
  border-top: 2px solid var(--yellow);
  padding: 0.8rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lightbox__tag {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dark);
  background: var(--yellow);
  padding: 0.2rem 0.6rem;
  white-space: nowrap;
}

.lightbox__title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  flex: 1;
}

.lightbox__counter {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  white-space: nowrap;
}

/* Botón cerrar */
.lightbox__close {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(0,0,0,0.5);
  color: var(--white);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1070;
  transition: background 0.2s, border-color 0.2s;
}

.lightbox__close:hover {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--dark);
}

/* Botones prev / next */
.lightbox__nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(0,0,0,0.5);
  color: var(--white);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1070;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.lightbox__nav--prev { left: 1.5rem; }
.lightbox__nav--next { right: 1.5rem; }

.lightbox__nav:hover {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--dark);
}

@media (max-width: 767px) {
  .lightbox__nav--prev { left: 0.5rem; }
  .lightbox__nav--next { right: 0.5rem; }
  .lightbox__nav { width: 40px; height: 40px; font-size: 1.1rem; }
  .lightbox__close { top: 0.8rem; right: 0.8rem; }
}