/* ==========================================================================
   PRODUCT DETAIL PAGE
   ========================================================================== */
.pdp { padding-block: calc(var(--nav-h) + 40px) 90px; background: var(--bg); }

.pdp-crumbs {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-family: var(--f-display); font-size: 10.5px; letter-spacing: 1.6px;
  text-transform: uppercase; color: var(--dim); margin-bottom: 34px;
}
.pdp-crumbs a { color: var(--dim); transition: color .25s; }
.pdp-crumbs a:hover { color: var(--teal-hi); }
.pdp-crumbs span[aria-current] { color: var(--txt); }

/* ---- hero ---- */
.pdp-top { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }

.pdp-media {
  position: relative; border: 1px solid var(--line); border-radius: var(--r);
  background: linear-gradient(168deg, var(--panel-hi), rgba(8,9,20,.85));
  padding: 40px; display: grid; place-items: center; min-height: 460px; overflow: hidden;
}
.pdp-media-glow {
  position: absolute; top: 8%; left: 50%; transform: translateX(-50%);
  width: 320px; height: 320px; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(94,106,201,.22), transparent 62%);
}
.pdp-photo {
  position: relative; z-index: 1; width: auto; height: 400px; object-fit: contain;
  filter: drop-shadow(0 18px 30px rgba(0,0,0,.6)) drop-shadow(0 0 40px rgba(94,106,201,.2));
}
.pdp-vial { position: relative; z-index: 1; transform: scale(1.6); }

.pdp-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.pdp-badge {
  font-family: var(--f-display); font-size: 8.5px; letter-spacing: 1.6px; text-transform: uppercase;
  color: var(--dim); border: 1px solid var(--line); border-radius: 999px; padding: 6px 11px;
}
.pdp-badge.ok { color: #55d6a0; border-color: rgba(85,214,160,.4); background: rgba(85,214,160,.08); }
.pdp-badge.out { color: #9aa0ab; border-color: rgba(154,160,171,.4); background: rgba(154,160,171,.08); }

.pdp-name {
  font-family: var(--f-display); font-weight: 800; font-size: clamp(30px, 4vw, 44px);
  letter-spacing: .5px; line-height: 1.08;
}
.pdp-sub { color: var(--dim); font-size: 15px; margin-top: 8px; }

.pdp-price-row { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin: 22px 0 6px; }
.pdp-price { font-family: var(--f-display); font-weight: 800; font-size: 38px; letter-spacing: .5px; }
.pdp-price sup { font-size: .5em; top: -.55em; margin-left: 1px; }
.pdp-per { font-size: 13px; color: var(--dim); }
.pdp-indicative {
  font-family: var(--f-display); font-size: 8.5px; letter-spacing: 1.6px; text-transform: uppercase;
  color: #5a6488; border: 1px solid var(--line); border-radius: 999px; padding: 4px 9px;
}

/* ---- bulk ---- */
.pdp-bulk {
  margin-top: 24px; border: 1px solid var(--line-hi); border-radius: var(--r);
  padding: 20px; background: linear-gradient(170deg, #0d1126, #07091a);
}
.bulk-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; margin-bottom: 14px; }
.bulk-head span {
  font-family: var(--f-display); font-size: 11px; letter-spacing: 2px;
  text-transform: uppercase; color: var(--teal-hi);
}
.bulk-head em { font-style: normal; font-size: 11px; color: #5a6488; }

.bulk-tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.bulk-tier {
  display: flex; flex-direction: column; gap: 2px; align-items: center; cursor: pointer;
  border: 1px solid var(--line); border-radius: 12px; padding: 12px 8px;
  background: rgba(94,106,201,.05); color: var(--txt);
  transition: border-color .25s, background .25s, transform .2s;
}
.bulk-tier:hover { transform: translateY(-2px); border-color: var(--line-hi); }
.bulk-tier.active { border-color: var(--teal-hi); background: rgba(42,165,201,.12); }
.bulk-tier strong { font-family: var(--f-display); font-size: 16px; }
.bulk-tier span { font-size: 11.5px; color: #55d6a0; font-weight: 600; }
.bulk-tier em { font-style: normal; font-size: 10.5px; color: var(--dim); }

.bulk-qty-row { display: flex; gap: 12px; align-items: stretch; margin-top: 16px; }
.bulk-qty {
  display: flex; align-items: center; border: 1px solid var(--line); border-radius: 12px;
  background: #0a0d1f; overflow: hidden; flex: 0 0 auto;
}
.bulk-qty button {
  width: 42px; height: 100%; min-height: 46px; border: 0; cursor: pointer;
  background: transparent; color: var(--txt); font-size: 18px; line-height: 1;
  transition: background .2s;
}
.bulk-qty button:hover { background: rgba(94,106,201,.22); }
.bulk-qty input {
  width: 52px; text-align: center; border: 0; background: transparent; color: var(--txt);
  font-family: var(--f-display); font-size: 16px; outline: none;
  -moz-appearance: textfield; appearance: textfield;
}
.bulk-qty input::-webkit-outer-spin-button,
.bulk-qty input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.pdp-add { flex: 1; }

.bulk-summary { margin-top: 14px; font-size: 13px; }
.bs-line { display: flex; justify-content: space-between; align-items: baseline; color: var(--dim); }
.bs-line strong { font-family: var(--f-display); font-size: 18px; color: var(--txt); }
.bs-save { margin-top: 6px; color: #55d6a0; font-size: 12.5px; }
.bs-next { margin-top: 4px; color: #5a6488; font-size: 12px; }

.pdp-soldout {
  margin-top: 24px; border: 1px dashed rgba(154,160,171,.4); border-radius: 12px;
  padding: 16px; background: rgba(154,160,171,.06); color: #9aa6cc;
  font-size: 13.5px; line-height: 1.7;
}
.pdp-soldout a { color: var(--teal-hi); }
.pdp-ship {
  margin-top: 16px; font-size: 12px; line-height: 1.7; color: #5a6488;
  border-left: 2px solid var(--teal); padding-left: 12px;
}
.pdp-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.pdp-tags span {
  font-size: 11px; color: var(--dim); border: 1px solid var(--line);
  border-radius: 999px; padding: 5px 11px; background: rgba(94,106,201,.05);
}

/* ---- sections ---- */
.pdp-section { margin-top: 66px; }
.pdp-section h2 {
  font-family: var(--f-display); font-weight: 700; font-size: 22px; letter-spacing: .6px;
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 14px;
}
.pdp-section h2 em {
  font-style: normal; font-size: 10px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--dim); border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px;
}
.pdp-rup-note { font-size: 12px; color: #5a6488; line-height: 1.7; margin-bottom: 12px; }
.pdp-desc { font-size: 15.5px; line-height: 1.85; color: #c3cbe4; max-width: 74ch; }

.pdp-specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.pdp-spec { background: linear-gradient(168deg, var(--panel-hi), rgba(8,9,20,.9)); padding: 16px 18px; }
.pdp-spec dt {
  font-family: var(--f-display); font-size: 9px; letter-spacing: 1.8px; text-transform: uppercase;
  color: var(--dim); margin-bottom: 6px;
}
.pdp-spec dd { font-size: 14px; color: var(--txt); word-break: break-word; }

.pdp-trust { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 56px; }
.pdp-trust div {
  border: 1px solid var(--line); border-radius: var(--r); padding: 18px;
  background: linear-gradient(168deg, var(--panel-hi), rgba(8,9,20,.85));
}
.pdp-trust strong { display: block; font-family: var(--f-display); font-size: 13px; margin-bottom: 5px; }
.pdp-trust span { font-size: 12px; color: var(--dim); line-height: 1.6; }

/* ---- related ---- */
.pdp-related { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.pdp-rel {
  display: flex; flex-direction: column; align-items: center; gap: 4px; text-align: center;
  border: 1px solid var(--line); border-radius: var(--r); padding: 18px;
  background: linear-gradient(168deg, var(--panel-hi), rgba(8,9,20,.85));
  transition: transform .3s var(--ease-out), border-color .3s;
}
.pdp-rel:hover { transform: translateY(-4px); border-color: rgba(94,106,201,.45); }
.pdp-rel img { width: auto; height: 118px; object-fit: contain; margin-bottom: 8px; filter: drop-shadow(0 8px 14px rgba(0,0,0,.5)); }
.pdp-rel.out img { filter: grayscale(.85) opacity(.55); }
.pdp-rel strong { font-family: var(--f-display); font-size: 14px; }
.pdp-rel span { font-size: 11.5px; color: var(--dim); }
.pdp-rel em { font-style: normal; font-family: var(--f-display); font-size: 13px; color: var(--teal-hi); margin-top: 4px; }

.pdp-legal { margin-top: 56px; font-size: 11px; line-height: 1.8; color: #5a6488; }

/* ---- catalog card links ---- */
.pc-media-link { display: block; }
.pc-name a { color: inherit; transition: color .25s; }
.pc-name a:hover { color: var(--teal-hi); }
.pc-details { color: var(--teal-hi); font-size: 11px; letter-spacing: .3px; }
.pc-details:hover { text-decoration: underline; }

@media (max-width: 980px) {
  .pdp-top { grid-template-columns: 1fr; gap: 32px; }
  .pdp-media { min-height: 340px; padding: 24px; }
  .pdp-photo { height: 300px; }
  .pdp-specs { grid-template-columns: repeat(2, 1fr); }
  .pdp-trust { grid-template-columns: repeat(2, 1fr); }
  .pdp-related { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .pdp-specs { grid-template-columns: 1fr; }
  .pdp-trust { grid-template-columns: 1fr; }
  .pdp-related { grid-template-columns: 1fr 1fr; }
  .bulk-tiers { grid-template-columns: 1fr; }
  .bulk-qty-row { flex-direction: column; }
}