/* ==========================================================================
   Projects Portfolio Categorized Galleries & Fullscreen Lightbox
   ========================================================================== */

/* Unified Portfolio Section */
.nior-portfolio-unified {
  scroll-margin-top: var(--header-height);
  border-bottom: 1px solid var(--nior-border);
}

/* Portfolio Filter Bar */
.nior-portfolio-filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: clamp(24px, 3.5vh, 36px);
  margin-bottom: clamp(32px, 4.5vh, 48px);
  border-bottom: 1px solid var(--nior-border);

  @media (max-width: 960px) {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .nior-portfolio-filter-tabs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;

    @media (max-width: 768px) {
      flex-wrap: nowrap;
      overflow-x: auto;
      max-width: 100%;
      padding-bottom: 8px;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: thin;
      scrollbar-color: var(--nior-border) transparent;

      &::-webkit-scrollbar {
        height: 3px;
      }

      &::-webkit-scrollbar-thumb {
        background: var(--nior-border);
        border-radius: 3px;
      }
    }
  }

  .nior-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(20, 22, 24, 0.78);
    border: 1px solid var(--nior-border);
    border-radius: 999px;
    color: var(--nior-white);
    font-family: var(--font-sans);
    font-size: 12px;
    letter-spacing: 0.05em;
    cursor: pointer;
    white-space: nowrap;
    transition: border-color 0.35s var(--ease-out-luxury), background-color 0.35s ease, color 0.35s ease, transform 0.35s var(--ease-out-luxury), box-shadow 0.35s ease;

    &:hover,
    &:focus-visible {
      border-color: var(--nior-gold);
      background: rgba(201, 162, 94, 0.12);
      transform: translateY(-2px);
      outline: none;
    }

    &.is-active,
    &[aria-selected="true"] {
      background: var(--nior-gold);
      color: var(--nior-obsidian);
      border-color: var(--nior-gold);
      box-shadow: 0 4px 18px rgba(201, 162, 94, 0.28);
      transform: translateY(-1px);

      .nior-filter-btn__num {
        color: rgba(12, 13, 14, 0.75);
      }

      .nior-filter-btn__label {
        font-weight: 600;
        color: var(--nior-obsidian);
      }

      .nior-filter-btn__count {
        color: rgba(12, 13, 14, 0.65);
      }
    }

    .nior-filter-btn__num {
      font-family: var(--font-serif);
      font-style: italic;
      font-size: 13px;
      color: var(--nior-gold);
      transition: color 0.3s ease;
    }

    .nior-filter-btn__label {
      font-weight: 500;
      transition: color 0.3s ease;
    }

    .nior-filter-btn__count {
      font-size: 11px;
      color: var(--nior-muted);
      opacity: 0.85;
      transition: color 0.3s ease;
    }
  }

  .nior-portfolio-filter-status {
    flex-shrink: 0;

    .nior-portfolio-filter-counter {
      font-family: var(--font-sans);
      font-size: 12px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--nior-muted);

      strong.nior-filter-count-current {
        color: var(--nior-gold);
        font-weight: 700;
      }
    }
  }
}

/* Backward-compatible category nav & headers if needed */
.nior-category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}


/* Interactive Portfolio Card Enhancements */
.nior-portfolio-card {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.45s var(--ease-out-luxury), border-color 0.45s ease, box-shadow 0.45s ease;

  &:hover,
  &:focus-visible {
    transform: translateY(-6px);
    border-color: var(--nior-border-strong);
    box-shadow: 0 22px 48px rgba(0, 0, 0, 0.48), 0 0 24px rgba(201, 162, 94, 0.08);
    outline: none;

    .nior-portfolio-card__badge {
      background: rgba(12, 13, 14, 0.92);
      border-color: var(--nior-gold);
      color: var(--nior-gold-light);
    }
  }

  .nior-portfolio-card__img-wrap {
    background: var(--nior-obsidian);

    .nior-portfolio-card__cover-img {
      transition: transform 0.65s var(--ease-out-luxury), opacity 0.25s ease;
    }
  }

  .nior-portfolio-card__badge {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 12px;
    background: rgba(12, 13, 14, 0.76);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--nior-border);
    border-radius: 999px;
    font-family: var(--font-sans);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--nior-white);
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;

    .nior-portfolio-card__badge-icon {
      color: var(--nior-gold);
      flex-shrink: 0;
    }
  }

  .nior-portfolio-card__body {
    display: flex;
    flex-direction: column;
    flex: 1;

    .nior-portfolio-card__meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 6px;
      flex-wrap: wrap;

      .nior-portfolio-card__sector-tag {
        font-family: var(--font-sans);
        font-size: 10px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.12em;
        color: var(--nior-gold);
      }

      .nior-portfolio-card__category {
        font-family: var(--font-sans);
        font-size: 11px;
        color: var(--nior-muted);
        letter-spacing: 0.04em;
      }
    }

    h3 {
      font-size: 20px;
      margin-bottom: 0;
      line-height: 1.35;
    }

    p {
      flex: 1;
      margin-top: 8px;
    }
  }

  /* Mini Thumbnail Preview Strip inside Card */
  .nior-portfolio-card__thumbs {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid rgba(201, 162, 94, 0.12);

    .nior-portfolio-card__thumb {
      position: relative;
      aspect-ratio: 4 / 3;
      padding: 0;
      border: 1px solid rgba(245, 245, 247, 0.14);
      border-radius: 3px;
      background: var(--nior-obsidian);
      overflow: hidden;
      cursor: pointer;
      transition: border-color 0.25s ease, transform 0.25s ease;

      img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
        opacity: 0.78;
        transition: opacity 0.25s ease, transform 0.35s ease;
      }

      &:hover,
      &:focus-visible,
      &.is-active {
        border-color: var(--nior-gold);
        transform: translateY(-1px);
        outline: none;

        img {
          opacity: 1;
          transform: scale(1.06);
        }
      }

      &.nior-portfolio-card__thumb--more {
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(201, 162, 94, 0.12);
        border-color: var(--nior-border-strong);
        color: var(--nior-gold-light);
        font-family: var(--font-sans);
        font-size: 11px;
        font-weight: 700;
        letter-spacing: 0.06em;

        &:hover {
          background: rgba(201, 162, 94, 0.24);
        }
      }
    }
  }
}

/* ==========================================================================
   Fullscreen Luxury Lightbox Modal
   ========================================================================== */
.nior-lightbox {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.38s var(--ease-out-luxury), visibility 0.38s ease;

  &.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;

    .nior-lightbox__dialog {
      transform: scale(1) translateY(0);
    }
  }

  .nior-lightbox__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(8, 9, 10, 0.94);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
  }

  .nior-lightbox__dialog {
    position: relative;
    z-index: 1;
    width: min(1400px, 95vw);
    height: min(92vh, 940px);
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: 16px;
    padding: clamp(16px, 2.5vw, 28px);
    background: rgba(20, 22, 24, 0.85);
    border: 1px solid var(--nior-border-strong);
    border-radius: 6px;
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.75);
    transform: scale(0.96) translateY(12px);
    transition: transform 0.42s var(--ease-out-luxury);
  }

  .nior-lightbox__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--nior-border);

    .nior-lightbox__meta {
      .nior-lightbox__category {
        display: block;
        font-size: 10px;
        font-weight: 700;
        letter-spacing: 0.2em;
        text-transform: uppercase;
        color: var(--nior-gold);
        margin-bottom: 4px;
      }

      .nior-lightbox__title {
        font-size: clamp(1.15rem, 2vw, 1.55rem);
        margin: 0;
        color: var(--nior-white);
      }
    }

    .nior-lightbox__controls-top {
      display: flex;
      align-items: center;
      gap: 16px;

      .nior-lightbox__counter {
        font-family: var(--font-serif);
        font-size: 14px;
        letter-spacing: 0.14em;
        color: var(--nior-gold-light);
      }

      .nior-lightbox__close {
        width: 40px;
        height: 40px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--nior-obsidian);
        border: 1px solid var(--nior-border);
        border-radius: 50%;
        color: var(--nior-white);
        cursor: pointer;
        transition: border-color 0.25s ease, color 0.25s ease, transform 0.25s ease;

        &:hover,
        &:focus-visible {
          border-color: var(--nior-gold);
          color: var(--nior-gold);
          transform: rotate(90deg);
          outline: none;
        }
      }
    }
  }

  .nior-lightbox__stage {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
    overflow: hidden;

    .nior-lightbox__figure {
      margin: 0;
      width: 100%;
      height: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 10px;

      .nior-lightbox__img {
        max-width: calc(100% - 110px);
        max-height: calc(100% - 34px);
        width: auto;
        height: auto;
        object-fit: contain;
        border-radius: 4px;
        border: 1px solid rgba(201, 162, 94, 0.2);
        box-shadow: 0 18px 48px rgba(0, 0, 0, 0.55);
        transition: opacity 0.22s ease, transform 0.32s var(--ease-out-luxury);

        @media (max-width: 640px) {
          max-width: 100%;
        }

        &.is-switching {
          opacity: 0.25;
          transform: scale(0.985);
        }
      }

      .nior-lightbox__caption {
        font-size: 12px;
        color: var(--nior-muted);
        text-align: center;
        max-width: 680px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
      }
    }

    .nior-lightbox__nav {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      z-index: 2;
      width: 46px;
      height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(12, 13, 14, 0.82);
      border: 1px solid var(--nior-border-strong);
      border-radius: 50%;
      color: var(--nior-white);
      cursor: pointer;
      transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease, transform 0.25s ease;

      &:hover,
      &:focus-visible {
        background: var(--nior-gold);
        border-color: var(--nior-gold);
        color: var(--nior-obsidian);
        outline: none;
      }

      &.nior-lightbox__nav--prev {
        left: 6px;
      }

      &.nior-lightbox__nav--next {
        right: 6px;
      }
    }
  }

  .nior-lightbox__filmstrip-wrap {
    padding-top: 12px;
    border-top: 1px solid var(--nior-border);
    overflow: hidden;

    .nior-lightbox__filmstrip {
      display: flex;
      align-items: center;
      gap: 10px;
      overflow-x: auto;
      padding-bottom: 4px;
      scrollbar-width: thin;
      scrollbar-color: var(--nior-gold) transparent;

      .nior-lightbox__thumb-btn {
        flex: 0 0 76px;
        height: 54px;
        padding: 0;
        border: 1px solid rgba(245, 245, 247, 0.18);
        border-radius: 3px;
        background: var(--nior-obsidian);
        overflow: hidden;
        cursor: pointer;
        opacity: 0.55;
        transition: opacity 0.25s ease, border-color 0.25s ease, transform 0.25s ease;

        img {
          width: 100%;
          height: 100%;
          object-fit: cover;
          display: block;
        }

        &:hover,
        &:focus-visible {
          opacity: 0.9;
          border-color: var(--nior-gold-light);
          outline: none;
        }

        &.is-active {
          opacity: 1;
          border-color: var(--nior-gold);
          box-shadow: 0 0 0 1px var(--nior-gold);
          transform: translateY(-1px);
        }
      }
    }
  }
}