/* ----- reset & base ----- */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Inter', sans-serif;
      background-color: #f7f6f2;
      color: #1e1e1e;
      line-height: 1.6;
      overflow-x: hidden;
      padding-top: 80px;
      opacity: 0;
      transition: opacity 0.8s ease-in-out;
    }

    body.loaded {
      opacity: 1;
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 2rem;
    }

    .full-width {
      max-width: 100%;
      padding: 0;
    }

    /* ----- Fade-in animations for page elements ----- */
    .fade-in {
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.8s ease, transform 0.8s ease;
    }

    .fade-in.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .fade-in-delay-1 {
      transition-delay: 0.1s;
    }
    .fade-in-delay-2 {
      transition-delay: 0.2s;
    }
    .fade-in-delay-3 {
      transition-delay: 0.3s;
    }
    .fade-in-delay-4 {
      transition-delay: 0.4s;
    }
    .fade-in-delay-5 {
      transition-delay: 0.5s;
    }

    /* ----- navbar ----- */
    .navbar {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1000;
      padding: 1.2rem 2rem;
      background: rgba(20, 20, 20, 0.85);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .navbar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 2rem;
    }

    .nav-logo {
      color: #fff;
      font-size: 1.2rem;
      font-weight: 700;
      letter-spacing: -0.3px;
      text-decoration: none;
      opacity: 0.95;
    }

    .nav-links {
      display: flex;
      gap: 2.2rem;
      list-style: none;
    }

    .nav-links a {
      color: #fff;
      text-decoration: none;
      font-size: 0.9rem;
      font-weight: 400;
      letter-spacing: 0.3px;
      opacity: 0.8;
      transition: opacity 0.2s ease;
    }

    .nav-links a:hover {
      opacity: 1;
    }

    .nav-hamburger {
      display: none;
      color: #fff;
      font-size: 1.6rem;
      cursor: pointer;
      transition: opacity 0.2s;
      user-select: none;
    }

    .nav-hamburger:hover {
      opacity: 0.7;
    }

    /* ----- fullscreen overlay menu ----- */
    .menu-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      background: rgba(10, 10, 10, 0.95);
      backdrop-filter: blur(8px);
      z-index: 999;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.35s ease;
    }

    .menu-overlay.active {
      opacity: 1;
      pointer-events: auto;
    }

    .menu-overlay .close-btn {
      position: absolute;
      top: 2rem;
      right: 2.5rem;
      font-size: 2.2rem;
      color: #fff;
      cursor: pointer;
      transition: opacity 0.2s;
      z-index: 10;
      padding: 0.5rem;
      line-height: 1;
    }

    .menu-overlay .close-btn:hover {
      opacity: 0.6;
    }

    .menu-overlay ul {
      list-style: none;
      text-align: center;
      padding: 0;
    }

    .menu-overlay ul li {
      margin: 1.8rem 0;
    }

    .menu-overlay ul li a {
      color: #fff;
      font-size: 2.8rem;
      font-weight: 300;
      letter-spacing: 2px;
      text-decoration: none;
      transition: opacity 0.2s ease;
      opacity: 0.7;
      display: inline-block;
    }

    .menu-overlay ul li a:hover {
      opacity: 1;
    }

    .menu-overlay .overlay-sub {
      color: rgba(255, 255, 255, 0.3);
      font-size: 0.9rem;
      letter-spacing: 4px;
      text-transform: uppercase;
      margin-top: 3rem;
      font-weight: 300;
    }

    /* ----- Lightbox (full-screen popup) ----- */
    .lightbox {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.92);
      z-index: 2000;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
      padding: 2rem;
    }

    .lightbox.active {
      opacity: 1;
      pointer-events: auto;
    }

    .lightbox .lightbox-content {
      max-width: 90%;
      max-height: 90%;
      object-fit: contain;
      display: block;
      opacity: 0;
      transform: scale(0.95);
      transition: opacity 0.4s ease, transform 0.4s ease;
    }

    .lightbox.active .lightbox-content {
      opacity: 1;
      transform: scale(1);
    }

    .lightbox .lightbox-close {
      position: absolute;
      top: 2rem;
      right: 2.5rem;
      color: #fff;
      font-size: 2.5rem;
      cursor: pointer;
      transition: opacity 0.2s ease;
      z-index: 2001;
      background: none;
      border: none;
      opacity: 0;
      transition: opacity 0.4s ease 0.2s;
    }

    .lightbox.active .lightbox-close {
      opacity: 1;
    }

    .lightbox .lightbox-close:hover {
      opacity: 0.6;
    }

    .lightbox .lightbox-label {
      position: absolute;
      bottom: 2rem;
      left: 50%;
      transform: translateX(-50%);
      color: rgba(255, 255, 255, 0.7);
      font-size: 0.9rem;
      font-weight: 300;
      text-align: center;
      max-width: 80%;
      opacity: 0;
      transition: opacity 0.4s ease 0.3s;
    }

    .lightbox.active .lightbox-label {
      opacity: 1;
    }

    /* Video in lightbox */
    .lightbox .lightbox-video {
      max-width: 90%;
      max-height: 90%;
      width: 80%;
      aspect-ratio: 16/9;
      background: #1a1a1a;
      opacity: 0;
      transform: scale(0.95);
      transition: opacity 0.4s ease, transform 0.4s ease;
    }

    .lightbox.active .lightbox-video {
      opacity: 1;
      transform: scale(1);
    }

    .lightbox .lightbox-video iframe {
      width: 100%;
      height: 100%;
      border: none;
    }

    /* ----- artwork hero - full width image ----- */
    .artwork-hero {
      background: #1a1a1a;
      padding: 0;
      margin-bottom: 3rem;
    }

    .artwork-hero .full-width {
      max-width: 100%;
      padding: 0;
    }

    .artwork-hero .hero-image {
      width: 100%;
      height: auto;
      max-height: 85vh;
      object-fit: contain;
      display: block;
      background: #1a1a1a;
      opacity: 0;
      transition: opacity 1s ease 0.2s;
    }

    .artwork-hero .hero-image.loaded {
      opacity: 1;
    }

    .hero-credit {
      padding: 0.8rem 2rem;
      font-size: 0.8rem;
      color: #b0b0b0;
      background: #1a1a1a;
      border-top: 1px solid #2a2a2a;
      text-align: right;
    }

    .hero-credit i {
      margin-right: 6px;
    }

    /* ----- artwork details (below full-width image) ----- */
    .artwork-page {
      padding: 0 0 4rem 0;
      background: #f7f6f2;
    }

    .artwork-grid {
      display: grid;
      grid-template-columns: 1fr 380px;
      gap: 4rem;
      align-items: start;
    }

    /* left column: description */
    .artwork-description .title {
      font-size: 2.4rem;
      font-weight: 300;
      letter-spacing: -0.5px;
      line-height: 1.1;
      margin-bottom: 0.3rem;
    }

    .artwork-description .medium {
      font-size: 1.2rem;
      font-weight: 400;
      color: #4a4a4a;
      margin-bottom: 0.2rem;
    }

    .artwork-description .date {
      font-size: 1rem;
      color: #6a6a6a;
      font-weight: 300;
      margin-bottom: 1.5rem;
    }

    .artwork-description .description {
      font-size: 1rem;
      font-weight: 300;
      color: #2c2c2c;
      margin-bottom: 2rem;
      line-height: 1.8;
    }

    .artwork-description .description strong {
      font-weight: 600;
      color: #1e1e1e;
    }

    /* ----- additional media section (more images + video) ----- */
    .additional-media {
      background: #fff;
      border-top: 1px solid #e8e4dc;
      border-bottom: 1px solid #e8e4dc;
      margin-top: 3rem;
    }

    .additional-media .section-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 2rem;
      flex-wrap: wrap;
      gap: 1rem;
    }

    .additional-media .section-header h2 {
      font-size: 1.8rem;
      font-weight: 300;
      letter-spacing: -0.3px;
    }

    .additional-media .section-header .media-count {
      font-size: 0.9rem;
      color: #6a6a6a;
      font-weight: 300;
    }

    .media-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
    }

    .media-item {
      position: relative;
      background: #f7f6f2;
      overflow: hidden;
      cursor: pointer;
      transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.6s ease;
      aspect-ratio: 1/1;
      opacity: 0;
      transform: translateY(20px);
    }

    .media-item.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .media-item:hover {
      transform: translateY(-4px);
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    }

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

    .media-item .media-label {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      padding: 0.6rem 1rem;
      background: linear-gradient(0deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0) 100%);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 400;
      letter-spacing: 0.3px;
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .media-item:hover .media-label {
      opacity: 1;
    }

    /* video item */
    .media-item.video-item {
      position: relative;
      background: #1a1a1a;
    }

    .media-item.video-item .play-icon {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      color: #fff;
      font-size: 3rem;
      opacity: 0.8;
      transition: opacity 0.3s ease;
      text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
      pointer-events: none;
    }

    .media-item.video-item:hover .play-icon {
      opacity: 1;
    }

    .media-item.video-item .video-thumbnail {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      filter: brightness(0.7);
    }

    .media-item.video-item .media-label {
      background: linear-gradient(0deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0) 100%);
      opacity: 1;
    }

    .media-item.video-item .media-label i {
      margin-right: 6px;
    }

    /* ----- footer ----- */
    .footer {
      background: #1e1e1e;
      color: #d0d0d0;
      padding: 3.5rem 2rem 2.5rem 2rem;
    }

    .footer .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 2rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 2rem;
      margin-bottom: 3rem;
    }

    .footer-grid h5 {
      color: #fff;
      font-weight: 600;
      font-size: 1rem;
      margin-bottom: 1rem;
    }

    .footer-grid p,
    .footer-grid a {
      font-size: 0.9rem;
      font-weight: 300;
      color: #b0b0b0;
      text-decoration: none;
      line-height: 2;
    }

    .footer-grid a:hover {
      color: #fff;
    }

    .footer-bottom {
      border-top: 1px solid #3a3a3a;
      padding-top: 2rem;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      font-size: 0.8rem;
      color: #8a8a8a;
    }

    .footer-social i {
      font-size: 1.2rem;
      margin-left: 1rem;
      color: #b0b0b0;
      transition: color 0.2s;
    }

    .footer-social i:hover {
      color: #fff;
    }

    /* ----- responsive ----- */
    @media (max-width: 1024px) {
      .artwork-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
      }
      .media-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    @media (max-width: 768px) {
      .navbar {
        padding: 1.2rem 1.2rem;
      }
      .navbar .container {
        padding: 0 1.2rem;
      }
      .nav-links {
        display: none;
      }
      .nav-hamburger {
        display: block;
      }
      .artwork-description .title {
        font-size: 2rem;
      }
      .media-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
      }
      .menu-overlay ul li a {
        font-size: 2rem;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer {
        padding: 2rem 1.2rem 1.5rem 1.2rem;
      }
      .hero-credit {
        padding: 0.6rem 1.2rem;
        text-align: left;
      }
      .lightbox .lightbox-content {
        max-width: 95%;
        max-height: 80%;
      }
      .lightbox .lightbox-video {
        width: 95%;
      }
    }

    @media (max-width: 480px) {
      .artwork-description .title {
        font-size: 1.6rem;
      }
      .media-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.8rem;
      }
      .additional-media .section-header h2 {
        font-size: 1.4rem;
      }
      .menu-overlay ul li a {
        font-size: 1.6rem;
      }
      .menu-overlay .close-btn {
        top: 1.5rem;
        right: 1.5rem;
        font-size: 1.8rem;
      }
      .lightbox .lightbox-close {
        top: 1rem;
        right: 1.2rem;
        font-size: 2rem;
      }
    }