/* ==============================
   PUBLICATIONS SECTION TOKENS
================================ */

.publications-section {
  --pub-card-radius: 1.25rem;
  /* 20px */
  --pub-image-height: 16.25rem;
  /* 260px */
  --pub-gap: clamp(var(--space-4), 4vw, var(--space-5));
  --pub-text-width: 33.75rem;
  /* 540px */

  background: var(--white);
}


/* ==============================
   HEADER
================================ */

.publications-header {
  text-align: center;
  margin-bottom: var(--space-4);
  overflow: hidden;
  /* contiene el reveal-left translateX */
}

.publications-title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--primary);
}

.publications-divider {
  width: 7.5rem;
  /* 120px */
  height: 0.3125rem;
  /* 5px */
  background: var(--accent);
  margin: var(--space-2) auto 0;
  border-radius: 2px;
}

.publications-more--edge {
  display: flex;
  justify-content: flex-end;
}


/* ==============================
   GRID (modo normal)
================================ */

.publications-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pub-gap);
}

@media (min-width: 48rem) {

  /* 768px */
  .publications-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* 1 publicación — centrada */
  .publications-grid--single {
    grid-template-columns: calc((100% - 2 * var(--pub-gap)) / 3);
    justify-content: center;
  }

  /* 2 publicaciones — centradas */
  .publications-grid--double {
    grid-template-columns: repeat(2, calc((100% - 2 * var(--pub-gap)) / 3));
    justify-content: center;
  }
}


/* ==============================
   CARD
================================ */

.publication-card {
  display: flex;
  flex-direction: column;
  background: transparent;
  border-radius: var(--pub-card-radius);
  overflow: hidden;

  opacity: 0;
  transform: translateY(3rem) scale(0.98);
  filter: blur(6px);

  transition:
    transform 1s cubic-bezier(.22, .61, .36, 1),
    opacity 0.8s ease,
    filter 0.8s ease;
}

.publication-card.show {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}


/* ==============================
   IMAGE
================================ */

.publication-image {
  width: 100%;
  height: var(--pub-image-height);
  overflow: hidden;
  border-radius: var(--pub-card-radius);
}

.publication-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s ease;
}

.publication-card:hover .publication-image img {
  transform: scale(1.04);
}


/* ==============================
   CONTENT
================================ */

.publication-content {
  padding: var(--space-4);
  max-width: var(--pub-text-width);
  background: var(--surface-primary);
  border: 1px solid var(--border-light);
  border-top: none;
  border-radius: 0 0 var(--pub-card-radius) var(--pub-card-radius);
}

.publication-content h3 {
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-1);
  color: var(--primary);
}

.publication-content p {
  font-size: var(--text-sm);
  line-height: 1.6;
  opacity: 0.75;
}

.publication-date {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}

.publication-date .material-symbols-outlined {
  font-size: 0.95rem;
  opacity: 0.7;
}


/* ==============================
   LINK CARD
================================ */

.publication-link {
  margin-top: var(--space-2);

  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  font-weight: var(--weight-semibold);

  display: inline-flex;
  align-items: center;
  gap: 0.4rem;

  color: var(--primary);
  opacity: 0.7;

  transition: opacity var(--transition-base),
    transform var(--transition-base);
}

.publication-link span {
  font-size: 1rem;
  transition: transform var(--transition-base);
}

.publication-link:hover {
  opacity: 1;
}

.publication-link:hover span {
  transform: translateX(4px);
}


/* ==============================
   LINK FINAL
================================ */

.publications-more {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--space-5);
}

.publication-link-main {
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  font-weight: var(--weight-semibold);
}


/* ==============================
   SLIDER MODE
================================ */

.publications-slider-wrapper {
  position: relative;
}

.publications-grid.slider-active {
  display: flex;
  gap: var(--pub-gap);
  overflow: hidden;
  scroll-behavior: smooth;
}

/* 3 columnas */
.publications-grid.slider-active .publication-card {
  flex: 0 0 calc((100% - (2 * var(--pub-gap))) / 3);
}

/* 2 columnas */
@media (max-width: 64rem) {

  /* 1024px */
  .publications-grid.slider-active .publication-card {
    flex: 0 0 calc((100% - var(--pub-gap)) / 2);
  }
}

/* 1 columna */
@media (max-width: 40rem) {

  /* 640px */
  .publications-grid.slider-active .publication-card {
    flex: 0 0 100%;
  }
}


/* ==============================
   NAV BUTTONS
================================ */

.pub-nav {
  position: absolute;
  top: 40%;
  transform: translateY(-50%);
  z-index: 10;

  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: none;

  display: flex;
  align-items: center;
  justify-content: center;

  background: var(--white);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  cursor: pointer;

  transition: transform var(--transition-base),
    box-shadow var(--transition-base);
}

.pub-nav span {
  font-size: 1.75rem;
  color: var(--accent);
}

.pub-nav:hover {
  transform: translateY(-50%) scale(1.05);
}

.pub-prev {
  left: 0.5rem;
}

.pub-next {
  right: 0.5rem;
}

.pub-nav.hidden {
  display: none;
}