/* =========================================================
   Acordeón horizontal — tarjetas de proceso (hover-expand)
   ========================================================= */

.accordion-cards {
  list-style: none;
  padding: 0;
  display: flex;
  gap: 0.75rem;
  height: clamp(450px, 42vw, 550px);
}

.acc-card {
  position: relative;
  flex: 1 1 0%;
  min-width: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  cursor: pointer;
  isolation: isolate;
  border-top: 6px solid var(--green); /* verde del logo NISA */
  border-bottom: 6px solid var(--green); /* verde del logo NISA */
  transition: flex-grow 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.acc-card-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 0.6s ease;
}

.acc-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(20, 35, 43, 0.4) 65%, rgba(20, 35, 43, 0.92) 100%);
  transition: background 0.4s ease;
}

/* Título visible en estado contraído */
.acc-card-title {
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 1.25rem;
  z-index: 2;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-size: clamp(0.95rem, 1.1vw, 1.15rem);
  color: var(--bg);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity 0.25s ease;
}

/* Contenido revelado en estado expandido */
.acc-card-content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: clamp(1.5rem, 2.5vw, 2.25rem);
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity 0.35s ease 0.08s, transform 0.35s ease 0.08s;
}

.acc-card-pill {
  display: inline-flex;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #fff;
  color: var(--gold);
  font-weight: 700;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  margin-bottom: 0.9rem;
  white-space: nowrap;
}

.acc-card-content h3 {
  color: var(--bg);
  font-size: clamp(1.15rem, 1.6vw, 1.5rem);
  max-width: 22ch;
  margin-bottom: 0.55rem;
}

.acc-card-content p {
  color: color-mix(in srgb, var(--bg) 85%, transparent);
  font-size: 0.9rem;
  max-width: 34ch;
  margin-bottom: 1.1rem;
}

.acc-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--bg);
  font-size: 0.88rem;
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--bg) 45%, transparent);
  padding-bottom: 0.15rem;
  pointer-events: auto;
}
.acc-card-link:hover { border-bottom-color: var(--bg); }

/* ---------- Estado expandido: hover, focus (teclado) o .is-active (tap) ---------- */
.acc-card:hover,
.acc-card:focus,
.acc-card:focus-within,
.acc-card.is-active {
  flex-grow: 3;
}

.acc-card:hover .acc-card-img,
.acc-card:focus .acc-card-img,
.acc-card.is-active .acc-card-img {
  transform: scale(1.06);
}

.acc-card:hover .acc-card-overlay,
.acc-card:focus .acc-card-overlay,
.acc-card.is-active .acc-card-overlay {
  background: linear-gradient(180deg, transparent 20%, rgba(20, 35, 43, 0.35) 55%, rgba(20, 35, 43, 0.95) 100%);
}

.acc-card:hover .acc-card-title,
.acc-card:focus .acc-card-title,
.acc-card.is-active .acc-card-title {
  opacity: 0;
}

.acc-card:hover .acc-card-content,
.acc-card:focus .acc-card-content,
.acc-card:focus-within .acc-card-content,
.acc-card.is-active .acc-card-content {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.acc-card:focus-visible {
  outline: 2px solid var(--gold-dim);
  outline-offset: -2px;
}

/* ---------- Responsive ---------- */
/* Escritorio angosto (901–1100px): con una tarjeta expandida, las demás quedan
   en ~144px y "DESARROLLAMOS" en Playfair no cabía. Menos margen lateral y
   letra un poco menor para que el título nunca se corte. */
@media (min-width: 901px) and (max-width: 1100px) {
  .acc-card-title {
    left: 0.4rem;
    right: 0.4rem;
    font-size: 0.85rem;
    letter-spacing: 0.01em;
  }
}

@media (max-width: 900px) {
  .accordion-cards {
    height: auto;
    flex-direction: column;
  }
  /* Mismo margen lateral que el resto del contenido.
     (selector doble para ganarle a ul[role="list"] { padding: 0 } del reset) */
  .accordion-cards[role="list"] { padding-inline: clamp(1.25rem, 4vw, 3rem); }
  /* flex: 0 0 auto — con flex-basis 0% la altura se ignoraba y las
     tarjetas se colapsaban a una línea en celulares y tabletas. */
  .acc-card {
    flex: 0 0 auto !important;
    height: 140px;
    transition: height 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .acc-card.is-active,
  .acc-card:focus-within {
    height: 420px;
  }
  .acc-card-title {
    font-size: 1.1rem;
    white-space: normal;
  }
  .acc-card-content p { max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  .acc-card, .acc-card-img, .acc-card-title, .acc-card-content, .acc-card-overlay {
    transition-duration: 0.01ms;
  }
}