/* ==========================================================================
   IBC — Página Portafolio
   Portada, mosaico de sectores, del proyecto al capital, estructuras de
   capital, visión global y cierre. La portada de sección (.page-hero) es
   compartida y vive en css/subpage.css; el bloque cinematográfico de cierre
   (.cinematic) y las capacidades (.capabilities/.capability) son compartidos
   y viven en css/features.css.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Portada — subtítulo, texto de apoyo y cita editorial
   -------------------------------------------------------------------------- */
.portafolio-hero__content { max-width: 40rem; }

.portafolio-hero__subtitle {
  margin-top: var(--space-sm);
  color: var(--color-bone-50);
  font-family: var(--font-ui);
  font-size: clamp(1.05rem, 0.8rem + 1.1vw, 1.5rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1.35;
  text-shadow: 0 1px 3px rgba(6, 15, 27, 0.85), 0 4px 30px rgba(6, 15, 27, 0.75);
}

.portafolio-hero__lead {
  max-width: 48ch;
  margin-top: var(--space-md);
  color: var(--color-on-dark-soft);
  font-size: var(--text-base);
  line-height: 1.7;
  text-shadow: 0 1px 12px rgba(6, 15, 27, 0.6);
}

.portafolio-hero__tagline {
  max-width: 40ch;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-hairline-dark);
  color: var(--color-brass-300);
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  line-height: 1.4;
  text-shadow: 0 1px 12px rgba(6, 15, 27, 0.7);
}

/* --------------------------------------------------------------------------
   Fondo azul marino oscuro — igual que el pie de página — para las
   secciones de contenido que lo requieren. El texto de cada componente se
   invierte a los tokens "on-dark" correspondientes.
   -------------------------------------------------------------------------- */
.section--navy {
  background-color: var(--color-navy-950);
  color: var(--color-on-dark);
}

/* --------------------------------------------------------------------------
   Mosaico de sectores — una pieza destacada (Infraestructura) y dos filas
   de piezas menores a su derecha, como en la plantilla.
   -------------------------------------------------------------------------- */
.portfolio-bento {
  display: flex;
  gap: 6px;
  margin-top: 0;
  padding: 5px;
  background-color: rgb(8, 19, 33);
}

.portfolio-bento__feature {
  flex: 0 0 clamp(220px, 26vw, 340px);
}

.portfolio-bento__side {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.portfolio-bento__row {
  flex: 1;
  display: grid;
  gap: 6px;
}

.portfolio-bento__row--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.portfolio-bento__row--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.portfolio-tile {
  position: relative;
  overflow: hidden;
  min-height: clamp(150px, 18vw, 220px);
  background-color: var(--color-navy-800);
}

.portfolio-tile img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out-expo);
}

.portfolio-tile:hover img { transform: scale(1.05); }

.portfolio-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
              rgba(6, 15, 27, 0.9) 0%,
              rgba(6, 15, 27, 0.38) 50%,
              rgba(6, 15, 27, 0) 78%);
}

.portfolio-tile__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  padding: var(--space-sm) var(--space-md) var(--space-md);
}

.portfolio-tile__title {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-bone-50);
}

.portfolio-tile__text {
  margin-top: 0.3rem;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  line-height: 1.55;
  color: var(--color-brass-300);
}

/* --------------------------------------------------------------------------
   Del proyecto al capital — titular + dos columnas de apoyo, sobre fondo
   claro alterno.
   -------------------------------------------------------------------------- */
.portfolio-bridge {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-lg) var(--space-xl);
  align-items: start;
}

.portfolio-bridge__title {
  max-width: 15ch;
  text-align: left;
}

.portfolio-bridge__text {
  color: var(--color-ink-soft);
  line-height: 1.7;
}

.portfolio-bridge__aside { display: flex; flex-direction: column; gap: var(--space-sm); }

.portfolio-bridge__label {
  color: var(--color-ink);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   Capital que se adapta a la operación — titular + estructuras disponibles
   (extiende .capabilities/.capability de css/features.css)
   -------------------------------------------------------------------------- */
.portfolio-capital {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-lg) var(--space-xl);
}

.portfolio-capital__title {
  flex: 1 1 280px;
  max-width: 16ch;
}

.portfolio-capital__types {
  flex: 2 1 480px;
  margin-top: 0;
}

@media (min-width: 1081px) {
  .portfolio-capital__types { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

/* --------------------------------------------------------------------------
   Una visión global en sectores estratégicos — el mapa nocturno como fondo
   a sangre completa del bloque, con los sectores y ejes que conecta IBC
   distribuidos en dos columnas sobre la fotografía.
   -------------------------------------------------------------------------- */
.portfolio-vision {
  position: relative;
  overflow: hidden;
  color: var(--color-on-dark);
}

.portfolio-vision__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.portfolio-vision__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portfolio-vision__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-color: rgba(6, 15, 27, 0.86);
}

.portfolio-vision > .container { position: relative; z-index: 1; }

.portfolio-vision__lead {
  max-width: 62ch;
  margin-top: var(--space-sm);
  color: var(--color-on-dark-soft);
}

.portfolio-map {
  display: flex;
  justify-content: space-between;
  gap: var(--space-lg) var(--space-xl);
  margin-top: var(--space-xl);
}

.portfolio-map__list li {
  position: relative;
  padding-left: var(--space-md);
  color: var(--color-on-dark-soft);
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  white-space: nowrap;
  transition: color var(--duration-fast) var(--ease-standard);
}

.portfolio-map__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-brass-500);
  transform: translateY(-50%);
}

.portfolio-map__list li:hover { color: var(--color-brass-300); }
.portfolio-map__list li + li { margin-top: var(--space-sm); }

/* --------------------------------------------------------------------------
   Cierre — cita editorial bajo el párrafo de apoyo
   -------------------------------------------------------------------------- */
.portfolio-close__tagline {
  margin-top: var(--space-md);
  color: var(--color-brass-300);
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   Puntos de quiebre
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .portfolio-bridge { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .portfolio-bridge__title { grid-column: 1 / -1; max-width: none; }
}

@media (max-width: 900px) {
  .portfolio-bento { flex-direction: column; }
  .portfolio-bento__feature { flex: 0 0 auto; height: clamp(220px, 46vw, 320px); }

  .portfolio-bridge { grid-template-columns: minmax(0, 1fr); gap: var(--space-md); }
  .portfolio-bridge__title { grid-column: auto; }

  .portfolio-capital { flex-direction: column; align-items: stretch; }
  .portfolio-capital__title,
  .portfolio-capital__types { flex-basis: auto; max-width: none; }

  .portfolio-map { flex-direction: column; align-items: center; gap: var(--space-md); }
  .portfolio-map__list { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-xs) var(--space-lg); }
  .portfolio-map__list li { padding-left: 1rem; }
  .portfolio-map__list li + li { margin-top: 0; }
}

@media (max-width: 640px) {
  .portfolio-bento__row--two,
  .portfolio-bento__row--three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 480px) {
  .portfolio-bento__row--two,
  .portfolio-bento__row--three { grid-template-columns: minmax(0, 1fr); }
}