/* ==========================================================================
   projects.css — T-0042 ดีไซน์ v3: หน้ารวมผลงาน (pjg-*) + หน้าผลงาน (pjd-*)
   ต่อจาก style.css (token --v3-* และ .v3-card/.v3-btn จาก T-0038)
   — ห้ามแก้ style.css เพราะตั๋วขนาน
   ========================================================================== */

/* ---------- wrap กลาง: 1200px + ขอบตาม --gutter กลางของ T-0060 ---------- */
.pjg-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ==========================================================================
   หน้ารวมผลงาน
   ========================================================================== */

/* ---------- แถบชิปกรองตามประเภทลูกค้า ติดหนึบใต้ header (สูง 72px) ---------- */
.pjg-filter-bar {
  position: sticky;
  top: 72px;
  z-index: 10;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--v3-line);
}
.pjg-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.pjg-chip {
  border: 1px solid var(--v3-line);
  border-radius: 99px;
  min-height: 44px;
  padding: 0 18px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  color: var(--v3-navy-deep);
  background: var(--v3-soft);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.pjg-chip:hover { border-color: var(--v3-navy); }
.pjg-chip.on {
  background: var(--v3-navy);
  border-color: var(--v3-navy);
  color: #ffffff;
}
.pjg-chip:focus-visible { outline: 3px solid var(--v3-navy); outline-offset: 2px; }

/* ---------- กลุ่มลูกค้า + กริดการ์ด ---------- */
.pjg-list { padding-block: 48px 32px; }
.pjg-group { margin: 0 0 56px; }
.pjg-group[hidden] { display: none; }
.pjg-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  margin-bottom: 22px;
}
.pjg-group-head h2 {
  margin: 0;
  font-size: 26px;
  line-height: 1.35;
  font-weight: 800;
  color: var(--v3-navy);
}
.pjg-group-head p { margin: 0; font-size: 16px; color: var(--v3-muted); }
.pjg-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px 24px;
}
.pjg-card {
  display: block;
  text-decoration: none;
  padding: 10px 10px 16px;
}
.pjg-card:focus-visible { outline: 3px solid var(--v3-navy); outline-offset: 3px; }
.pjg-photo {
  display: block;
  border-radius: 12px;
  overflow: hidden;
  background: var(--v3-soft);
  aspect-ratio: 4 / 3;
}
.pjg-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.pjg-name {
  margin: 14px 6px 2px;
  font-size: 19px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--v3-navy-deep);
}
.pjg-place { margin: 0 6px; font-size: 15px; color: var(--v3-muted); }
.pjg-note {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--v3-muted);
}

/* ---------- ผลงานเด่น 8 งาน + ปุ่มเปิดรายการทั้งหมด (T-0051)
   html.pjg-js ใส่จาก inline script ใน head — ไม่มี JS เห็นรายการทั้งหมดเลย ไม่เห็นปุ่ม ---------- */
.pjg-featured-sec { padding-block: 48px 8px; }
.pjg-featured {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 26px 24px;
}
.pjg-more-wrap { display: none; margin: 28px 0 0; text-align: center; }
html.pjg-js .pjg-more-wrap { display: block; }
html.pjg-js .pjg-more-wrap[hidden] { display: none; }
html.pjg-js .pjg-full { display: none; }
html.pjg-js .pjg-full.is-open { display: block; }

/* ==========================================================================
   หน้าผลงานแต่ละงาน
   ========================================================================== */

/* ---------- ข้อเท็จจริง + เนื้อหา ---------- */
.pjd-info { padding-block: 48px 24px; }
.pjd-facts {
  margin: 0 0 20px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--v3-line);
}
.pjd-facts > div {
  padding: 16px 16px 16px 0;
  border-bottom: 1px solid var(--v3-line);
}
.pjd-facts dt { font-size: 14px; color: var(--v3-muted); }
.pjd-facts dd {
  margin: 2px 0 0;
  font-size: 18px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--v3-navy-deep);
}
.pjd-body-text {
  margin: 0 0 20px;
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--v3-navy-deep);
}
.pjd-precast { margin-top: 4px; }

/* ---------- แกลเลอรี: รูปใหญ่ + แถบรูปย่อ (ไม่มี JS รูปย่อลิงก์ไปไฟล์รูป) ---------- */
.pjd-gallery-sec { padding-block: 8px 72px; }
.pjd-gal-h {
  margin: 0 0 20px;
  font-size: 24px;
  font-weight: 800;
  color: var(--v3-navy);
}
.pjd-gal-h span { font-size: 16px; color: var(--v3-muted); font-weight: 400; }
.pjd-viewer { display: grid; gap: 14px; }
.pjd-main {
  display: block;
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: var(--v3-soft);
  aspect-ratio: 16 / 10;
  cursor: zoom-in;
}
.pjd-main img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.pjd-main:focus-visible { outline: 3px solid var(--v3-navy); outline-offset: 2px; }
.pjd-thumbs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}
.pjd-thumb {
  flex: 0 0 104px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--v3-soft);
  aspect-ratio: 4 / 3;
  cursor: pointer;
  opacity: 0.55;
  transition: opacity 0.2s;
}
.pjd-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.pjd-thumb:hover,
.pjd-thumb:focus-visible,
.pjd-thumb.on { opacity: 1; }
/* T-0065: กรอบส้มอิฐด้านใน (outline คลุมเนื้อหา ไม่ขยับเลย์เอาต์ และตามมุมโค้ง) */
.pjd-thumb.on { outline: 3px solid var(--v3-clay); outline-offset: -3px; }
.pjd-thumb:focus-visible { outline: 3px solid var(--v3-navy); outline-offset: 2px; }
.pjd-thumb.on:focus-visible { outline-color: var(--v3-navy); outline-offset: 2px; }
/* T-0065: ป้ายนับรูป มุมขวาล่างของรูปใหญ่ (สร้างด้วย JS ใน projects.js) */
.pjd-count {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 3px 10px;
  border-radius: 99px;
  background: rgba(19, 53, 93, 0.78);
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.5;
  pointer-events: none;
}

/* ---------- ดูผลงานอื่นต่อ: แถบการ์ดเลื่อนแนวนอน ----------
   ขอบซ้ายการ์ดแรกตรงกับเนื้อหา 1200px แล้วล้นออกขอบจอขวา ให้เห็นการ์ดถัดไปโผล่ */
.pjd-shelf-sec {
  --shelf-pad: max(var(--gutter), calc((100% - 1200px) / 2 + var(--gutter)));
  background: var(--v3-soft);
  padding: 64px 0 56px;
}
.pjd-shelf-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 26px;
}
.pjd-shelf-head h2 { margin: 0; font-size: 28px; font-weight: 800; color: var(--v3-navy); }
.pjd-shelf-head a {
  font-weight: 700;
  color: var(--v3-blue);
  text-decoration: none;
  padding: 10px 0;
  white-space: nowrap;
}
.pjd-shelf-head a:hover { text-decoration: underline; }
.pjd-shelf {
  list-style: none;
  margin: 0;
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--shelf-pad);
  padding: 8px var(--shelf-pad) 24px;
  scroll-behavior: smooth;
  scrollbar-width: none;
}
.pjd-shelf::-webkit-scrollbar { display: none; }
.pjd-shelf li { flex: none; scroll-snap-align: start; }
.pjd-shelf-card {
  display: block;
  width: 260px;
  border-radius: 14px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--v3-line);
  text-decoration: none;
  transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1), box-shadow 0.35s;
}
.pjd-sc-img {
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--v3-soft);
}
.pjd-sc-img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.pjd-shelf-card:hover { transform: translateY(-4px); box-shadow: 0 14px 36px rgba(19, 53, 93, 0.18); }
.pjd-shelf-card:hover .pjd-sc-img img { transform: scale(1.05); }
.pjd-shelf-card:focus-visible { outline: 3px solid var(--v3-navy); outline-offset: 4px; }
.pjd-shelf-txt { display: block; padding: 10px 12px 12px; }
.pjd-shelf-txt small {
  display: block;
  margin-bottom: 2px;
  font-size: 12px;
  font-weight: 600;
  color: var(--v3-muted);
}
.pjd-shelf-txt b {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 15px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--v3-navy-deep);
}
.pjd-shelf-ctrl { display: flex; justify-content: flex-end; gap: 14px; }
.pjd-shelf-ctrl[hidden] { display: none; }
.pjd-shelf-ctrl button {
  width: 48px;
  height: 48px;
  border: 1px solid var(--v3-line);
  border-radius: 50%;
  background: #ffffff;
  color: var(--v3-navy-deep);
  font: inherit;
  font-size: 20px;
  cursor: pointer;
  transition: background 0.2s;
}
.pjd-shelf-ctrl button:hover:not(:disabled) { background: var(--v3-blue-tint); }
.pjd-shelf-ctrl button:disabled { opacity: 0.4; cursor: default; }
.pjd-shelf-ctrl button:focus-visible { outline: 3px solid var(--v3-navy); outline-offset: 2px; }

/* ---------- lightbox แกลเลอรี (JS เท่านั้น) ---------- */
.pjd-lb {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(19, 53, 93, 0.94);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  gap: 16px;
}
.pjd-lb[hidden] { display: none; }
.pjd-lb img {
  max-width: min(1100px, 100%);
  max-height: 76vh;
  object-fit: contain;
  border-radius: 12px;
  display: block;
}
.pjd-lb-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #ffffff;
}
.pjd-lb-bar button {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  background: none;
  color: #ffffff;
  font-family: inherit;
  font-size: 20px;
  cursor: pointer;
}
.pjd-lb-bar button:hover { background: rgba(255, 255, 255, 0.14); }
.pjd-lb-bar button:focus-visible { outline: 3px solid #ffffff; outline-offset: 2px; }
.pjd-lb-bar span {
  min-width: 220px;
  text-align: center;
  font-size: 15px;
}
#pjd-lb-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 0;
  background: #ffffff;
  color: var(--v3-navy-deep);
  font-family: inherit;
  font-size: 22px;
  cursor: pointer;
}
#pjd-lb-close:hover { background: var(--v3-blue-tint); }
#pjd-lb-close:focus-visible { outline: 3px solid #ffffff; outline-offset: 2px; }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .pjg-chip, .pjd-thumb, .pjd-shelf-card, .pjd-shelf-card img,
  .pjd-shelf-ctrl button, #pjd-lb-close, .pjd-lb-bar button { transition: none; }
  .pjd-shelf { scroll-behavior: auto; }
}

/* ---------- มือถือ ≤860px ---------- */
@media (max-width: 860px) {

  /* หน้ารวม */
  .pjg-chips { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .pjg-chips::-webkit-scrollbar { display: none; }
  .pjg-chip { flex: 0 0 auto; }
  .pjg-list { padding-top: 32px; }
  .pjg-group { margin-bottom: 40px; }
  .pjg-group-head h2 { font-size: 22px; }
  .pjg-grid { grid-template-columns: 1fr; gap: 20px; }
  .pjg-card { padding: 8px 8px 14px; }

  /* หน้ารวม: ผลงานเด่น 2 คอลัมน์ */
  .pjg-featured-sec { padding-top: 32px; }
  .pjg-featured { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 14px; }

  /* หน้างาน */
  .pjd-info { padding-block: 32px 16px; }
  .pjd-facts { grid-template-columns: 1fr; }
  .pjd-body-text { font-size: 16px; }
  .pjd-main { aspect-ratio: 4 / 3; }
  .pjd-thumb { flex-basis: 92px; }
  .pjd-gallery-sec { padding-bottom: 48px; }
  .pjd-shelf-sec { padding-block: 48px 40px; }
  .pjd-shelf-head h2 { font-size: 23px; }
  .pjd-shelf { gap: 14px; }
  .pjd-shelf-card { width: 220px; }
  .pjd-lb-bar span { min-width: 0; }
}