/* local aliases matching products/index.html */
  :root {
    --bg: var(--color-background-primary);
    --bg2: var(--color-background-secondary);
    --text: var(--color-text-primary);
    --text2: var(--color-text-muted);
    --text3: var(--color-text-faint);
    --border: var(--color-border-warm);
    --border2: var(--color-border-warm-md);
    --border3: var(--color-border-tertiary);
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: var(--font-sans);
    color: var(--text);
    min-height: 100vh;
  }

  /* ─── PAGE ─── */
  .page {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 40px 80px;
  }

  /* ─── BUTTONS ─── */

  /* ─── SECTIONS ─── */
  .sec {
    padding: 56px 0 48px;
    border-top: 3.5px solid var(--border3);
  }

  .div {
    height: 0.5px;
    background: var(--border3);
  }

  .kicker {
    font-size: calc(8px * var(--font-scale));
    letter-spacing: 0.25em;
    color: var(--text3);
    margin-bottom: 6px;
    text-transform: uppercase;
  }

  .sec-title {
    font-size: calc(18px * var(--font-scale));
    font-weight: 400;
    color: var(--text);
  }

  .sec-sub {
    font-size: calc(9px * var(--font-scale));
    letter-spacing: 0.3em;
    color: var(--text2);
    margin-top: 4px;
    margin-bottom: 28px;
  }

  /* ─── IMAGE CARDS ─── */
  .icard {
    border: 0.5px solid var(--border3);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background: var(--bg);
    transition:
      border-color 0.2s,
      box-shadow 0.2s,
      transform 0.2s;
  }

  .icard:hover {
    border-color: #555;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
  }

  .icard:hover .cn {
    color: #000;
  }

  .icard:hover .cz {
    color: #333;
  }

  .icard:hover .cs {
    color: #666;
  }

  .icard:hover .tag {
    border-color: #888;
    color: #555;
  }

  /* slider */
  .slider-wrap {
    position: relative;
    overflow: hidden;
    cursor: pointer;
  }

  .slider-track {
    display: flex;
    transition: transform 0.35s ease;
    will-change: transform;
  }

  .slide {
    min-width: 100%;
    flex-shrink: 0;
    background: #1e1e1e;
    overflow: hidden;
    position: relative;
  }

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

  .sl-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.45);
    border: none;
    color: #fff;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 2;
  }

  .slider-wrap:hover .sl-arrow {
    opacity: 1;
  }

  .sl-arrow.left {
    left: 10px;
  }

  .sl-arrow.right {
    right: 10px;
  }

  .sl-arrow:hover {
    background: rgba(0, 0, 0, 0.7);
  }

  .sl-dots {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 5px;
    z-index: 2;
  }

  .sl-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transition: background 0.2s;
    cursor: pointer;
  }

  .sl-dot.active {
    background: #fff;
  }

  .sl-label {
    position: absolute;
    bottom: 12px;
    right: 12px;
    font-size: calc(7px * var(--font-scale));
    letter-spacing: 0.15em;
    color: #fff;
    background: rgba(0, 0, 0, 0.5);
    padding: 4px 10px;
    border-radius: 2px;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 3;
    cursor: pointer;
  }

  .slider-wrap:hover .sl-label {
    opacity: 1;
  }

  /* card body */
  .cb {
    padding: 14px 16px 16px;
    border-top: 0.5px solid var(--border3);
  }

  .cn {
    font-size: calc(8px * var(--font-scale));
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--text);
    text-transform: uppercase;
  }

  .cz {
    font-size: calc(10px * var(--font-scale));
    color: var(--text2);
    margin-top: 3px;
  }

  .cs {
    font-size: calc(9px * var(--font-scale));
    color: var(--text3);
    margin-top: 3px;
  }

  .tag {
    display: inline-block;
    font-size: calc(7px * var(--font-scale));
    letter-spacing: 0.12em;
    padding: 3px 9px;
    border: 0.5px solid var(--border3);
    color: var(--text3);
    border-radius: 2px;
    margin-top: 7px;
    background: var(--bg2);
  }

  /* simple photo placeholder */
  .ph {
    background: #1e1e1e;
    width: 100%;
    position: relative;
    cursor: pointer;
    overflow: hidden;
  }

  .ph img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0;
    transition: opacity 0.4s ease;
  }

  .ph.loaded img {
    opacity: 1;
  }

  .ph:not(.loaded)::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.07) 50%,
        transparent 100%);
    animation: ph-shimmer 1.4s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
  }

  /* slide shimmer (interior grid) */
  .slide img {
    opacity: 0;
    transition: opacity 0.4s ease;
  }

  .slide.loaded img {
    opacity: 1;
  }

  .slide:not(.loaded)::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.07) 50%,
        transparent 100%);
    animation: ph-shimmer 1.4s ease-in-out infinite;
    pointer-events: none;
    z-index: 2;
  }

  @keyframes ph-shimmer {
    from {
      transform: translateX(-100%);
    }

    to {
      transform: translateX(100%);
    }
  }

  .ph-label {
    position: absolute;
    bottom: 12px;
    right: 12px;
    font-size: calc(7px * var(--font-scale));
    letter-spacing: 0.15em;
    color: #fff;
    background: rgba(0, 0, 0, 0.5);
    padding: 4px 10px;
    border-radius: 2px;
    opacity: 0;
    transition: opacity 0.2s;
  }

  .icard:hover .ph-label {
    opacity: 1;
  }

  /* ─── TEXT CARDS ─── */
  .tc {
    border: 0.5px solid var(--border3);
    border-radius: 8px;
    padding: 18px 20px;
    background: var(--bg);
  }

  .tc-type {
    font-size: calc(7px * var(--font-scale));
    letter-spacing: 0.2em;
    color: var(--text3);
    margin-bottom: 7px;
    text-transform: uppercase;
  }

  .tc-title {
    font-size: calc(11px * var(--font-scale));
    font-weight: 500;
    color: var(--text);
    margin-bottom: 5px;
  }

  .tc-sub {
    font-size: calc(9px * var(--font-scale));
    color: var(--text2);
    line-height: 1.7;
  }

  .tc-meta {
    font-size: calc(8px * var(--font-scale));
    color: var(--text3);
    margin-top: 10px;
    padding-top: 10px;
    border-top: 0.5px solid var(--border3);
  }

  /* ─── CLIENT LIST ─── */
  .clist-head {
    font-size: calc(7px * var(--font-scale));
    letter-spacing: 0.2em;
    color: var(--text3);
    padding: 18px 0 10px;
    border-top: 0.5px solid var(--border3);
    margin-top: 28px;
    text-transform: uppercase;
  }

  .crow {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding: 9px 0;
    border-bottom: 0.5px solid var(--border3);
  }

  .crow:last-child {
    border-bottom: none;
  }

  .crow--hidden {
    display: none;
  }

  .clist-more {
    margin-top: 14px;
  }

  .clist-more-btn {
    padding: 9px 22px;
    background: transparent;
    border: 0.5px solid var(--text);
    color: var(--text);
    font-family: var(--font-en);
    font-size: calc(8px * var(--font-scale));
    letter-spacing: 0.14em;
    text-transform: uppercase;
    cursor: pointer;
    transition:
      background 0.15s,
      color 0.15s;
  }

  .clist-more-btn:hover {
    background: var(--text);
    color: var(--bg);
  }

  .crow-name {
    font-size: calc(10px * var(--font-scale));
    color: var(--text2);
  }

  .crow-sub {
    font-size: calc(8px * var(--font-scale));
    color: var(--text3);
  }

  /* ─── SECTION CTA ─── */
  .sec-cta {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 0.5px solid var(--border3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
  }

  .sec-cta-text {
    font-size: calc(10px * var(--font-scale));
    color: var(--text2);
  }

  /* ─── LIGHTBOX ─── */
  .lb-wrap {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    z-index: 1100;
    align-items: flex-start;
    justify-content: center;
    padding: 40px 24px;
    overflow-y: auto;
    pointer-events: none;
  }

  .lb-wrap.open {
    display: flex;
    pointer-events: all;
  }

  .lb-box {
    background: var(--bg);
    border-radius: 12px;
    width: 100%;
    max-width: 1280px;
    height: calc(100dvh - 500px);
    max-height: 860px;
    overflow: hidden;
    margin: auto;
    display: flex;
    flex-direction: row;
  }

  .lb-media {
    flex: 6;
    min-width: 0;
    display: flex;
    flex-direction: column;
    background: #181818;
  }

  .lb-slider {
    position: relative;
    overflow: hidden;
    background: #181818;
    flex: 1;
    min-height: 0;
  }

  .lb-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .lb-slide.active {
    opacity: 1;
    z-index: 1;
  }

  .lb-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    opacity: 0;
    transition: opacity 0.35s ease;
  }

  .lb-slide.img-loaded img {
    opacity: 1;
  }

  .lb-slide:not(.img-loaded)::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.07) 50%,
        transparent 100%);
    animation: ph-shimmer 1.4s ease-in-out infinite;
    pointer-events: none;
  }

  .lb-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .lb-thumb.img-loaded img {
    opacity: 1;
  }

  .lb-sl-arrow {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 72px;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.22);
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 22px;
    z-index: 2;
    padding: 0;
    transition: background 0.24s ease, color 0.2s ease;
    -webkit-tap-highlight-color: transparent;
  }

  .lb-sl-arrow.left {
    left: 0;
    justify-content: flex-start;
    padding-left: 14px;
  }

  .lb-sl-arrow.right {
    right: 0;
    justify-content: flex-end;
    padding-right: 14px;
  }

  .lb-sl-arrow.left:hover {
    background: linear-gradient(to right, rgba(0, 0, 0, 0.42), transparent);
    color: rgba(255, 255, 255, 0.9);
  }

  .lb-sl-arrow.right:hover {
    background: linear-gradient(to left, rgba(0, 0, 0, 0.42), transparent);
    color: rgba(255, 255, 255, 0.9);
  }

  .lb-sl-arrow:active {
    color: #fff;
  }

  .lb-sl-counter {
    position: absolute;
    top: 12px;
    right: 14px;
    font-size: calc(8px * var(--font-scale));
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.1em;
    z-index: 2;
  }

  .lb-thumbs {
    background: #111;
    display: flex;
    gap: 3px;
    padding: 3px;
    overflow-x: auto;
    scrollbar-width: none;
    flex-shrink: 0;
    /* sits at bottom of lb-media column */
  }

  .lb-thumbs::-webkit-scrollbar {
    display: none;
  }

  .lb-thumb {
    width: 72px;
    height: 52px;
    flex-shrink: 0;
    background: #2a2a2a;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    border: 2px solid transparent;
    transition: border-color 0.2s;
    border-radius: 2px;
    overflow: hidden;
  }

  .lb-thumb.active {
    border-color: #fff;
  }

  .lb-thumb:hover {
    border-color: rgba(255, 255, 255, 0.5);
  }

  .lb-body {
    flex: 4;
    min-width: 0;
    min-height: 0;
    overflow-y: auto;
    padding: 20px 26px 24px;
    display: flex;
    flex-direction: column;
    border-left: 0.5px solid var(--border);
  }

  .lb-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 12px;
  }

  .lb-tag {
    font-size: calc(7px * var(--font-scale));
    letter-spacing: 0.15em;
    padding: 3px 9px;
    border: 0.5px solid var(--border3);
    color: var(--text3);
    border-radius: 2px;
  }

  .lb-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text3);
    cursor: pointer;
    line-height: 1;
    padding: 0;
  }

  .lb-close:hover {
    color: var(--text);
  }

  .lb-en {
    font-size: calc(8px * var(--font-scale));
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--text3);
    margin-bottom: 5px;
    text-transform: uppercase;
  }

  .lb-zh {
    font-size: calc(16px * var(--font-scale));
    color: var(--text);
    margin-bottom: 14px;
    line-height: 1.4;
    font-weight: 400;
  }

  .lb-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 0.5px solid var(--border3);
    border-left: 0.5px solid var(--border3);
    margin-bottom: 16px;
  }

  .lb-meta-item {
    padding: 10px 14px;
    border-right: 0.5px solid var(--border3);
    border-bottom: 0.5px solid var(--border3);
  }

  .lb-meta-label {
    font-size: calc(7px * var(--font-scale));
    letter-spacing: 0.15em;
    color: var(--text3);
    margin-bottom: 4px;
    text-transform: uppercase;
  }

  .lb-meta-val {
    font-size: calc(10px * var(--font-scale));
    color: var(--text2);
  }

  .lb-detail {
    font-size: calc(10px * var(--font-scale));
    color: var(--text2);
    line-height: 2;
  }

  .lb-detail2 {
    font-size: calc(10px * var(--font-scale));
    color: var(--text2);
    line-height: 2;
    margin-top: 10px;
  }

  .lb-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 14px;
    border-top: 0.5px solid var(--border3);
  }

  .lb-btn {
    background: none;
    border: 0.5px solid var(--border3);
    border-radius: 2px;
    padding: 9px 18px;
    font-size: calc(9px * var(--font-scale));
    color: var(--text2);
    cursor: pointer;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background 0.15s;
  }

  .lb-btn:hover {
    background: var(--bg2);
  }

  .lb-nav-info {
    text-align: center;
  }

  .lb-nav-counter {
    font-size: calc(8px * var(--font-scale));
    color: var(--text3);
    letter-spacing: 0.1em;
  }

  .lb-nav-name {
    font-size: calc(10px * var(--font-scale));
    color: var(--text2);
    margin-top: 3px;
  }

  /* ─── REVEAL ─── */
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition:
      opacity 0.6s ease,
      transform 0.6s ease;
  }

  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* ─── PHOTO PLACEHOLDER HEIGHTS ─── */
  .ph-lg,
  .ph-md,
  .ph-sm {
    aspect-ratio: 16/9;
  }

  /* brand sub-label inside .cb */
  .cb-brand {
    font-size: calc(8px * var(--font-scale));
    color: var(--text3);
    letter-spacing: 0.1em;
    margin-bottom: 4px;
  }

  /* icon sizes — set once here, not per element */
  .hero-nav .ti {
    font-size: 12px;
  }

  .btn-dark .ti,
  .btn-light .ti {
    font-size: 12px;
  }

  .lb-btn .ti {
    font-size: 11px;
  }

  /* interior slider — aspect-ratio drives height, track/slide fill it */
  #interior-grid .slider-wrap {
    aspect-ratio: 16/9;
  }

  #interior-grid .slider-track {
    height: 100%;
  }

  #interior-grid .slide {
    height: 100%;
  }

  /* grid spacing via adjacent sibling — no inline margin needed */
  .sec-title+.grid-2 {
    margin-top: 24px;
  }

  .grid-2+.grid-3-tc {
    margin-top: 4px;
  }

  /* ─── GRID HELPERS (overridable via @media) ─── */
  #interior-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
  }

  .grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
  }

  .grid-3-tc {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
  }

  .grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    margin-top: 24px;
  }

  .grid-3-client {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0 40px;
  }

  .hero-nav {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
  }

  /* ─── MOBILE ─── */
  @media (max-width: 768px) {


    .hero-nav {
      flex-wrap: nowrap;
      gap: 4px;
    }

    .hero-nav .btn-light {
      flex: 1;
      min-width: 0;
      padding: 10px 6px;
      justify-content: center;
      font-size: 10px;
      letter-spacing: 0.06em;
      white-space: nowrap;
    }

    .hero-nav .ti {
      font-size: 10px;
    }

    .sec {
      padding: 36px 0 28px;
    }

    .sec-sub {
      margin-bottom: 16px;
    }

    .crow {
      border: none;
    }

    #interior-grid,
    .grid-2 {
      grid-template-columns: 1fr;
    }

    .grid-3-tc {
      grid-template-columns: 1fr 1fr;
    }

    .grid-4 {
      grid-template-columns: 1fr 1fr;
    }

    .grid-3-client {
      grid-template-columns: 1fr;
      gap: 0;
    }

    .sec-cta {
      flex-direction: column;
      align-items: flex-start;
    }

    .btn-dark,
    .btn-light {
      padding: 11px 20px;
    }

    .div {
      display: none;
    }

    .lb-wrap {
      padding: 0;
      align-items: flex-end;
    }

    .lb-box {
      flex-direction: column;
      border-radius: 16px 16px 0 0;
      height: 90dvh;
      max-height: 90dvh;
      overflow: hidden;
    }

    .lb-media {
      flex: none;
    }

    .lb-slider {
      height: 220px;
      flex: none;
    }

    .lb-thumbs {
      flex-shrink: 0;
    }

    .lb-body {
      flex: 1;
      min-height: 0;
      border-left: none;
      overflow-y: auto;
      padding: 16px 16px calc(24px + env(safe-area-inset-bottom));
      scrollbar-width: none;
    }

    .lb-body::-webkit-scrollbar {
      display: none;
    }

    .lb-meta {
      grid-template-columns: 1fr;
    }

    .lb-btn {
      padding: 8px 12px;
    }
  }

  /* ─── Coming Soon placeholder ─── */
  .ph.no-img,
  .slide.no-img {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .ph.no-img img {
    display: none;
  }

  .ph.no-img::after,
  .slide.no-img::after {
    content: "COMING SOON";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: calc(7px * var(--font-scale));
    letter-spacing: 0.32em;
    color: rgba(255, 255, 255, 0.22);
    white-space: nowrap;
    z-index: 3;
    pointer-events: none;
    animation: none;
    background: none;
  }