body.modal-open {
  overflow: hidden;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 0.75rem;
  background: #f8fafc;
}

.gallery-thumb {
  width: 100%;
  height: 100%;
  display: block;
  cursor: pointer;
  border-radius: 0.75rem;
  transition:
    transform 0.45s ease,
    filter 0.45s ease,
    box-shadow 0.45s ease;
  will-change: transform;
}

.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      to top,
      rgba(15, 23, 42, 0.2),
      rgba(15, 23, 42, 0)
    );
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.gallery-item:hover .gallery-thumb {
  transform: scale(1.035);
  filter: brightness(1.03);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.16);
}

.gallery-item:hover::after {
  opacity: 1;
}

.portfolio-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: centre;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.portfolio-modal.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.portfolio-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.portfolio-modal__dialog {
  position: relative;
  width: min(1100px, 100%);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  z-index: 1;
  transform: translateY(24px) scale(0.965);
  opacity: 0;
  transition:
    transform 0.38s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.28s ease;
}

.portfolio-modal.is-visible .portfolio-modal__dialog {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.portfolio-modal.is-closing .portfolio-modal__dialog {
  transform: translateY(18px) scale(0.98);
  opacity: 0;
}

.portfolio-modal__content {
  width: 100%;
  max-width: 900px;
}

.portfolio-modal__image-wrap {
  position: relative;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1.25rem;
  overflow: hidden;
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.portfolio-modal__image {
  width: 100%;
  max-height: 78vh;
  object-fit: contain;
  display: block;
  background: transparent;
}

.portfolio-modal__caption {
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  border-radius: 1rem;
  background: rgba(15, 23, 42, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #ffffff;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.portfolio-modal__caption p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
}

.portfolio-modal__close,
.portfolio-modal__nav {
  border: none;
  outline: none;
  color: #ffffff;
  background: rgba(15, 23, 42, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.18);
  transition:
    transform 0.25s ease,
    background 0.25s ease,
    opacity 0.25s ease;
}

.portfolio-modal__close:hover,
.portfolio-modal__nav:hover {
  transform: translateY(-2px);
  background: rgba(30, 41, 59, 0.92);
}

.portfolio-modal__close {
  position: absolute;
  top: -0.75rem;
  right: 0;
  width: 3rem;
  height: 3rem;
  border-radius: 999px;
  font-size: 2rem;
  line-height: 1;
  z-index: 2;
}

.portfolio-modal__nav {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 999px;
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio-modal__nav[disabled] {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

@media (max-width: 768px) {
  .portfolio-modal {
    padding: 1rem;
  }

  .portfolio-modal__dialog {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .portfolio-modal__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 3rem;
    height: 3rem;
    font-size: 1.75rem;
  }

  .portfolio-modal__nav--prev {
    left: 0.5rem;
  }

  .portfolio-modal__nav--next {
    right: 0.5rem;
  }

  .portfolio-modal__close {
    top: 0.5rem;
    right: 0.5rem;
  }

  .portfolio-modal__caption {
    margin-top: 0.75rem;
    padding: 0.875rem 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gallery-thumb,
  .gallery-item::after,
  .portfolio-modal,
  .portfolio-modal__dialog,
  .portfolio-modal__close,
  .portfolio-modal__nav {
    transition: none !important;
  }
}