/* ── Design tokens ─────────────────────────────────────────── */
:root {
  --ink:     #1c1b19;
  --ink2:    #343230;
  --ink3:    #52504d;
  --ink4:    #7a7874;
  --surf:    #f6f5f3;
  --surf2:   #eceae6;
  --surf3:   #e0ddd8;
  --metal:   #8c8880;
  --metal-d: #4a4843;
  --amber:   #c17f24;
  --teal:    #1a7a6e;
  --teal-l:  #e0f2ef;
  --spark:   #d4611a;
  --rule:    rgba(0,0,0,0.08);
  --fh:      'Barlow', system-ui, sans-serif;
  --fb:      'IBM Plex Sans', system-ui, sans-serif;
  --pdmax:   1200px;
  --pdpad:   0 clamp(1rem, 4vw, 3rem);
}

/* ── Shared layout ─────────────────────────────────────────── */
.pd-topbar, .pd-hero, .pd-compat,
.pd-spec-section, .pd-rfq, .pd-related {
  font-family: var(--fb);
  color: var(--ink);
  box-sizing: border-box;
}
.pd-section-inner {
  max-width: var(--pdmax);
  margin: 0 auto;
  padding: var(--pdpad);
}
.pd-section-tag {
  display: block;
  font-family: var(--fb);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--metal);
  margin-bottom: 0.6rem;
}

/* ── Top bar ───────────────────────────────────────────────── */
.pd-topbar {
  background: var(--surf);
  border-bottom: 1px solid var(--rule);
  padding: 0.55rem 0;
}
.pd-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: var(--ink4);
  flex-wrap: wrap;
}
.pd-breadcrumb a { color: var(--ink3); text-decoration: none; }
.pd-breadcrumb a:hover { color: var(--amber); }
.pd-breadcrumb__sep { color: var(--metal); }

/* ── Hero ──────────────────────────────────────────────────── */
.pd-hero {
  background: #fff;
  padding: 2.5rem 0 2.25rem;
  border-bottom: 1px solid var(--rule);
}
.pd-hero__inner {
  max-width: var(--pdmax);
  margin: 0 auto;
  padding: var(--pdpad);
  display: grid;
  grid-template-columns: minmax(300px, 0.88fr) 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* Slideshow */
.pd-slideshow { display: flex; flex-direction: column; gap: 0.7rem; }
.pd-slideshow__stage {
  position: relative;
  background: var(--surf);
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--rule);
}
.pd-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pd-slide.is-active { opacity: 1; }
.pd-slide img { width: 100%; height: 100%; object-fit: contain; padding: 1rem; }
.pd-slideshow__thumbs {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}
.pd-thumb {
  width: 50px;
  height: 50px;
  border-radius: 5px;
  border: 1.5px solid var(--surf3);
  background: var(--surf);
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: border-color 0.14s;
}
.pd-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pd-thumb.is-active { border-color: var(--ink); }
.pd-thumb:hover:not(.is-active) { border-color: var(--amber); }
.pd-slideshow__counter {
  font-size: 0.73rem;
  color: var(--ink4);
  letter-spacing: 0.02em;
  min-height: 1rem;
}

/* Hero info */
.pd-hero__info { display: flex; flex-direction: column; gap: 1rem; padding-top: 0.25rem; }
.pd-eyebrow {
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
}
.pd-title {
  font-family: var(--fh);
  font-size: clamp(1.65rem, 2.8vw, 2.4rem);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.12;
  margin: 0;
}
.pd-subtitle {
  font-size: 0.8125rem;
  color: var(--ink3);
  line-height: 1.65;
  margin: 0;
}
.pd-keypoints { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.4rem; }
.pd-keypoints li {
  font-size: 0.875rem;
  color: var(--ink2);
  padding-left: 1.1rem;
  position: relative;
  line-height: 1.5;
}
.pd-keypoints li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--amber);
}
.pd-avail {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  background: var(--teal-l);
  border-left: 3px solid var(--teal);
  border-radius: 0 6px 6px 0;
  padding: 0.6rem 0.85rem;
}
.pd-avail__dot {
  flex-shrink: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  margin-top: 0.32em;
  animation: pdPulse 2.2s ease-in-out infinite;
}
@keyframes pdPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.75); }
}
.pd-avail__text { font-size: 0.8rem; color: var(--teal); font-weight: 500; line-height: 1.5; }
.pd-cta-row { display: flex; gap: 0.7rem; flex-wrap: wrap; align-items: center; }
.pd-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--fb);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 6px;
  padding: 0.6rem 1.2rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.14s, color 0.14s, border-color 0.14s;
  white-space: nowrap;
  line-height: 1.4;
}
.pd-btn--primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.pd-btn--primary:hover { background: var(--ink2); border-color: var(--ink2); color: #fff; }
.pd-btn--whatsapp { background: transparent; color: var(--ink2); border-color: var(--surf3); }
.pd-btn--whatsapp:hover { border-color: #25d366; color: #128c4b; }

/* ── Section 2: Machine compatibility ─────────────────────── */
.pd-compat {
  background: var(--surf);
  border-bottom: 1px solid var(--rule);
  padding: 2.5rem 0;
}
.pd-compat__layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 1.5rem;
  align-items: start;
}
.pd-compat__controls {
  margin-bottom: 1rem;
}
.pd-model-search {
  width: min(360px, 100%);
  border: 1px solid var(--surf3);
  background: #fff;
  border-radius: 6px;
  padding: 0.65rem 0.8rem;
  font-family: var(--fb);
  font-size: 0.875rem;
  color: var(--ink);
}
.pd-compat__list { display: flex; flex-direction: column; gap: 1.75rem; }
.pd-make-group { display: flex; flex-direction: column; }
.pd-make-group__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--rule);
  padding: 0.15rem 0.6rem 0.5rem;
  font-family: var(--fb);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--metal);
  cursor: pointer;
}
.pd-make-group__toggle::after {
  content: '+';
  font-size: 0.95rem;
  color: var(--metal);
}
.pd-make-group__toggle.is-open::after { content: '−'; }
.pd-make-group__models { display: none; }
.pd-make-group__models.is-open { display: block; }
.pd-model-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  border-right: 2px solid transparent;
  border-radius: 4px 0 0 4px;
  padding: 0.48rem 0.7rem;
  font-family: var(--fb);
  font-size: 0.875rem;
  color: var(--ink3);
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}
.pd-model-btn:hover { background: var(--surf2); color: var(--ink); }
.pd-model-btn.is-active { background: #fff; color: var(--ink); border-right-color: var(--amber); font-weight: 500; }
.pd-model-btn__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--surf3);
  flex-shrink: 0;
  transition: background 0.12s;
}
.pd-model-btn.is-active .pd-model-btn__dot,
.pd-model-btn:hover .pd-model-btn__dot { background: var(--amber); }
.pd-model-btn__code { margin-left: auto; font-size: 0.68rem; color: var(--metal); }

/* Variant panel */
.pd-compat__panel {
  background: #fff;
  border-radius: 10px;
  border: 1px solid var(--rule);
  min-height: 300px;
  overflow: hidden;
}
.pd-variant-panel { padding: 1.5rem; transition: opacity 0.18s ease; }
.pd-variant-panel__header {
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 1.25rem;
}
.pd-variant-panel__model {
  font-family: var(--fh);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--ink);
}
.pd-variant-panel__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}
.pd-variant-panel__media img {
  width: 100%;
  border-radius: 7px;
  object-fit: contain;
  aspect-ratio: 4 / 3;
  background: var(--surf);
  display: block;
}
.pd-video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 7px;
  overflow: hidden;
  margin-top: 0.75rem;
  background: #000;
}
.pd-video-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; }
.pd-spec-rows { display: flex; flex-direction: column; }
.pd-spec-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  border-bottom: 1px solid var(--rule);
  padding: 0.48rem 0;
}
.pd-spec-row:last-child { border-bottom: none; }
.pd-spec-row__key {
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--metal);
  flex-shrink: 0;
}
.pd-spec-row__val {
  font-family: var(--fh);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink);
  text-align: right;
}
.pd-variant-panel__hint { font-size: 0.85rem; color: var(--ink4); font-style: italic; }
.pd-variant-panel__actions { margin-top: 1.25rem; padding-top: 1.1rem; border-top: 1px solid var(--rule); }
.pd-btn--add-enquiry {
  background: transparent;
  color: var(--amber);
  border: 1.5px solid var(--amber);
  font-size: 0.8125rem;
}
.pd-btn--add-enquiry:hover { background: var(--amber); color: #fff; }

/* ── Section 3: Spec comparison table ─────────────────────── */
.pd-spec-section {
  padding: 2.5rem 0;
  background: #fff;
  border-bottom: 1px solid var(--rule);
}
.pd-spec-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.pd-spec-table {
  width: 100%;
  min-width: 500px;
  border-collapse: collapse;
}
.pd-spec-table thead th {
  background: var(--surf2);
  font-family: var(--fh);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--ink2);
  padding: 0.6rem 1rem;
  text-align: left;
  border-bottom: 2px solid var(--surf3);
  white-space: nowrap;
}
.pd-spec-table__th-label { width: 180px; }
.pd-spec-table__code { font-family: var(--fb); font-size: 0.68rem; color: var(--metal); font-weight: 400; margin-top: 0.12rem; }
.pd-spec-table__row-label {
  background: var(--surf2);
  font-family: var(--fb);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--metal-d);
  padding: 0.5rem 1rem;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--rule);
}
.pd-spec-table tbody td {
  padding: 0.5rem 1rem;
  font-family: var(--fh);
  font-size: 0.9375rem;
  color: var(--ink2);
  border-bottom: 1px solid var(--rule);
}
.pd-spec-table tbody tr:hover td,
.pd-spec-table tbody tr:hover .pd-spec-table__row-label { background: var(--surf); }

/* ── Section 4: RFQ ────────────────────────────────────────── */
.pd-rfq { background: var(--ink); padding: 3rem 0 3.5rem; }
.pd-rfq .pd-section-tag { color: var(--metal); }
.pd-rfq__title {
  font-family: var(--fh);
  font-size: 1.25rem;
  font-weight: 500;
  color: #fff;
  margin: 0 0 1.75rem;
  line-height: 1.3;
}
.pd-rfq-success {
  background: var(--teal-l);
  color: var(--teal);
  border-left: 3px solid var(--teal);
  border-radius: 0 5px 5px 0;
  padding: 0.7rem 1rem;
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
}
.pd-rfq-error-msg {
  background: rgba(212,97,26,0.14);
  color: #e07040;
  border-left: 3px solid var(--spark);
  border-radius: 0 5px 5px 0;
  padding: 0.7rem 1rem;
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
}
/* Machine rows */
.pd-rfq-rows { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 0.75rem; }
.pd-rfq-row {
  display: grid;
  grid-template-columns: 1fr 1fr 72px 36px;
  gap: 0.5rem;
  align-items: center;
  animation: pdRowIn 0.2s ease;
}
@keyframes pdRowIn {
  from { opacity: 0; transform: translateY(-5px); }
  to   { opacity: 1; transform: translateY(0); }
}
.pd-rfq-input {
  font-family: var(--fb);
  font-size: 0.875rem;
  color: var(--ink);
  background: var(--surf);
  border: 1px solid var(--surf3);
  border-radius: 5px;
  padding: 0.5rem 0.7rem;
  width: 100%;
  outline: none;
  transition: border-color 0.14s, background 0.14s;
}
.pd-rfq-input:focus { border-color: var(--amber); background: #fff; }
.pd-rfq-input::placeholder { color: var(--metal); }
.pd-rfq-remove {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 5px;
  color: var(--metal);
  font-size: 1.05rem;
  cursor: pointer;
  height: 36px;
  width: 36px;
  flex-shrink: 0;
  transition: border-color 0.14s, color 0.14s;
  line-height: 1;
}
.pd-rfq-remove:hover:not(:disabled) { border-color: var(--spark); color: var(--spark); }
.pd-rfq-remove:disabled { opacity: 0.25; cursor: default; }
.pd-rfq-add {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--fb);
  font-size: 0.8125rem;
  color: var(--metal);
  background: transparent;
  border: 1.5px dashed rgba(255,255,255,0.18);
  border-radius: 5px;
  padding: 0.48rem 0.9rem;
  cursor: pointer;
  margin-bottom: 1.75rem;
  transition: color 0.14s, border-color 0.14s;
}
.pd-rfq-add:hover { color: #fff; border-color: rgba(255,255,255,0.42); }
.pd-rfq-divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 1.5rem;
}
/* Contact fields */
.pd-rfq-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.pd-rfq-field { display: flex; flex-direction: column; gap: 0.28rem; }
.pd-rfq-field--full { grid-column: 1 / -1; }
.pd-rfq-label { font-size: 0.75rem; color: var(--metal); letter-spacing: 0.02em; }
/* Style Django form widgets inside pd-rfq-form */
.pd-rfq-form input[type="text"],
.pd-rfq-form input[type="email"],
.pd-rfq-form input[type="tel"],
.pd-rfq-form input[type="number"],
.pd-rfq-form textarea,
.pd-rfq-form select {
  font-family: var(--fb);
  font-size: 0.875rem;
  color: var(--ink);
  background: var(--surf);
  border: 1px solid var(--surf3);
  border-radius: 5px;
  padding: 0.5rem 0.7rem;
  width: 100%;
  outline: none;
  transition: border-color 0.14s, background 0.14s;
  box-sizing: border-box;
}
.pd-rfq-form input:focus,
.pd-rfq-form textarea:focus,
.pd-rfq-form select:focus { border-color: var(--amber); background: #fff; }
.pd-rfq-form textarea { resize: vertical; min-height: 80px; }
.pd-rfq-actions { margin-top: 1.25rem; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.pd-btn--submit {
  background: var(--amber);
  color: #fff;
  border-color: var(--amber);
  font-size: 0.9375rem;
  padding: 0.7rem 1.75rem;
}
.pd-btn--submit:hover { background: #a96c1c; border-color: #a96c1c; }

/* ── Section 5: Related ────────────────────────────────────── */
.pd-related { padding: 2.5rem 0 3rem; background: var(--surf); }
.pd-related-subhead {
  font-family: var(--fh);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink2);
  margin: 1.5rem 0 0.75rem;
}
.pd-related-subhead:first-of-type { margin-top: 0.5rem; }
.pd-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}
.pd-related-card {
  background: #fff;
  border-radius: 8px;
  border: 1px solid var(--rule);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.15s;
}
.pd-related-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.07); }
.pd-related-card__img { aspect-ratio: 16 / 9; overflow: hidden; background: var(--surf2); }
.pd-related-card__img img { width: 100%; height: 100%; object-fit: cover; }
.pd-related-card__body { padding: 1rem; flex: 1; display: flex; flex-direction: column; gap: 0.38rem; }
.pd-related-card__eye { font-size: 0.6rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--metal); }
.pd-related-card__title { font-family: var(--fh); font-size: 0.9375rem; font-weight: 600; color: var(--ink); line-height: 1.3; }
.pd-related-card__title a { text-decoration: none; color: inherit; }
.pd-related-card__title a:hover { color: var(--amber); }
.pd-related-card__desc { font-size: 0.8125rem; color: var(--ink3); line-height: 1.55; flex: 1; }
.pd-related-card__link { font-size: 0.8rem; color: var(--amber); text-decoration: none; font-weight: 500; margin-top: auto; padding-top: 0.25rem; }
.pd-related-card__link:hover { text-decoration: underline; }

/* ── Mobile ────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .pd-hero__inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .pd-compat__layout {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .pd-make-group__toggle {
    background: var(--surf2);
    padding: 0.6rem 0.75rem;
    font-size: 0.7rem;
    color: var(--ink3);
    border-radius: 4px 4px 0 0;
  }
  .pd-compat__panel { border-radius: 0; border-left: none; border-right: none; }
  .pd-variant-panel__body { grid-template-columns: 1fr; }
  .pd-rfq-row {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
  }
  .pd-rfq-row .pd-rfq-input:nth-child(1) { grid-column: 1; grid-row: 1; }
  .pd-rfq-row .pd-rfq-input:nth-child(2) { grid-column: 2; grid-row: 1; }
  .pd-rfq-row .pd-rfq-input:nth-child(3) { grid-column: 1; grid-row: 2; }
  .pd-rfq-row .pd-rfq-remove         { grid-column: 2; grid-row: 2; }
  .pd-rfq-fields { grid-template-columns: 1fr; }
}