/* Production page — aligned with homepage industrial language */

.page-prod .prod-page .container,
.prod-page > section > .container {
  width: min(100% - 2rem, 1320px);
}

.prod-page .page-hero--compact {
  margin-bottom: 0;
}

/* Hero entrance */
.prod-hero__title {
  opacity: 0;
  transform: translateY(-16px);
  animation: prod-fade-down 0.7s var(--ease) 0.1s forwards;
}

.prod-hero__lead {
  opacity: 0;
  transform: translateY(16px);
  animation: prod-fade-up 0.7s var(--ease) 0.28s forwards;
}

@keyframes prod-fade-down {
  to { opacity: 1; transform: none; }
}

@keyframes prod-fade-up {
  to { opacity: 1; transform: none; }
}

/* Scroll reveal */
.page-prod [data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}

.page-prod [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

.page-prod [data-stagger] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
  transition-delay: calc(var(--stagger, 0) * 0.1s);
}

.page-prod [data-reveal].is-revealed [data-stagger] {
  opacity: 1;
  transform: none;
}

/* ---- Advantages 3×2 grid ---- */
.prod-adv {
  position: relative;
  overflow: clip;
  padding: 3.5rem 0 3.75rem;
  background:
    linear-gradient(180deg, #f7f9fc 0%, var(--white) 42%, #f3f6fa 100%);
}

.prod-adv__atmos {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.prod-adv__glow {
  position: absolute;
  width: min(48vw, 420px);
  height: min(48vw, 420px);
  border-radius: 50%;
  right: -8%;
  top: -12%;
  background: radial-gradient(circle, rgba(232, 185, 35, 0.18) 0%, rgba(232, 185, 35, 0.05) 42%, transparent 70%);
  animation: prod-adv-glow 10s ease-in-out infinite alternate;
}

.prod-adv__glow--2 {
  right: auto;
  left: -10%;
  top: auto;
  bottom: -18%;
  width: min(52vw, 460px);
  height: min(52vw, 460px);
  background: radial-gradient(circle, rgba(30, 79, 133, 0.14) 0%, rgba(20, 58, 102, 0.04) 48%, transparent 72%);
  animation-duration: 13s;
  animation-direction: alternate-reverse;
}

.prod-adv__mesh {
  position: absolute;
  inset: 0;
  opacity: 0.45;
  background-image:
    linear-gradient(rgba(20, 58, 102, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 58, 102, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 65% at 70% 30%, #000 10%, transparent 72%);
  animation: prod-adv-mesh 26s linear infinite;
}

.prod-adv__sweep {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 22%;
  left: -25%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(232, 185, 35, 0.06) 45%,
    rgba(255, 255, 255, 0.35) 50%,
    rgba(232, 185, 35, 0.05) 55%,
    transparent
  );
  animation: prod-adv-sweep 14s ease-in-out infinite;
}

.prod-adv__ring {
  position: absolute;
  right: max(-2%, calc((100% - var(--max)) / 2 - 1rem));
  top: 58%;
  width: min(26vw, 220px);
  aspect-ratio: 1;
  border: 1px solid rgba(232, 185, 35, 0.22);
  border-radius: 50%;
  opacity: 0.55;
  transform: translateY(-50%);
  animation: prod-adv-ring 28s linear infinite;
}

.prod-adv__ring::before {
  content: "";
  position: absolute;
  inset: 16%;
  border: 1px solid rgba(20, 58, 102, 0.1);
  border-radius: 50%;
}

.prod-adv__ring--2 {
  right: auto;
  left: max(-4%, calc((100% - var(--max)) / 2 - 2rem));
  top: 22%;
  width: min(16vw, 140px);
  opacity: 0.4;
  animation-duration: 36s;
  animation-direction: reverse;
}

@keyframes prod-adv-glow {
  from { opacity: 0.65; transform: scale(1); }
  to { opacity: 1; transform: scale(1.1); }
}

@keyframes prod-adv-mesh {
  to { transform: translate3d(-48px, -48px, 0); }
}

@keyframes prod-adv-sweep {
  0% { transform: translateX(0); opacity: 0; }
  12% { opacity: 1; }
  88% { opacity: 1; }
  100% { transform: translateX(520%); opacity: 0; }
}

@keyframes prod-adv-ring {
  to { transform: translateY(-50%) rotate(360deg); }
}

.prod-adv > .container {
  position: relative;
  z-index: 1;
}

.prod-adv__head {
  margin-bottom: 1.75rem;
  max-width: 40rem;
}

.prod-adv__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 700;
  color: var(--navy-900);
  margin: 0.35rem 0 0;
  letter-spacing: -0.025em;
}

.prod-adv__title::after {
  content: "";
  display: block;
  width: 3.25rem;
  height: 3px;
  margin-top: 0.75rem;
  background: linear-gradient(90deg, var(--gold-400), rgba(232, 185, 35, 0.15));
}

.prod-adv__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  align-items: stretch;
}

.prod-adv__card {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "icon heading"
    "teaser teaser"
    "more more"
    "btn btn";
  align-items: center;
  column-gap: 0.75rem;
  row-gap: 0;
  margin: 0;
  padding: 1.15rem 1.15rem 1.15rem;
  min-height: 100%;
  background:
    linear-gradient(165deg, rgba(255, 255, 255, 0.92) 0%, rgba(245, 247, 250, 0.95) 100%);
  border: 1px solid rgba(20, 58, 102, 0.1);
  border-top: 3px solid transparent;
  box-shadow: 0 8px 22px rgba(11, 31, 58, 0.04);
  overflow: hidden;
  transition:
    transform 0.35s var(--ease),
    background 0.3s var(--ease),
    border-color 0.3s var(--ease),
    box-shadow 0.35s var(--ease);
}

.prod-adv__card::before {
  content: "";
  position: absolute;
  inset: auto -20% -40% auto;
  width: 9rem;
  height: 9rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 185, 35, 0.12), transparent 68%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}

.prod-adv__card:hover {
  transform: translateY(-8px);
  background:
    linear-gradient(165deg, #ffffff 0%, #eef3f9 100%);
  border-color: rgba(212, 160, 23, 0.45);
  border-top-color: var(--gold-400);
  box-shadow: 0 16px 36px rgba(11, 31, 58, 0.12);
}

.prod-adv__card:hover::before,
.prod-adv__card.is-open::before {
  opacity: 1;
}

.page-prod [data-reveal].is-revealed .prod-adv__card:hover {
  transform: translateY(-8px);
}

.prod-adv__card.is-open {
  background:
    linear-gradient(165deg, #ffffff 0%, #eef3f9 100%);
  border-color: rgba(212, 160, 23, 0.55);
  border-top-color: var(--gold-400);
  box-shadow: 0 16px 36px rgba(11, 31, 58, 0.12);
}

.prod-adv__num {
  position: absolute;
  top: 0.55rem;
  right: 0.7rem;
  z-index: 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.4vw, 2.85rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: transparent;
  background: linear-gradient(180deg, rgba(232, 185, 35, 0.28), rgba(20, 58, 102, 0.08));
  -webkit-background-clip: text;
  background-clip: text;
  pointer-events: none;
  user-select: none;
}

.prod-adv__icon {
  grid-area: icon;
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  margin: 0;
  color: var(--navy-800);
  background: rgba(20, 58, 102, 0.06);
  border: 1px solid rgba(20, 58, 102, 0.1);
  transition:
    color 0.3s var(--ease),
    background 0.3s var(--ease),
    border-color 0.3s var(--ease);
}

.prod-adv__icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.prod-adv__card:hover .prod-adv__icon,
.prod-adv__card.is-open .prod-adv__icon {
  color: var(--navy-950);
  background: rgba(232, 185, 35, 0.22);
  border-color: rgba(232, 185, 35, 0.45);
}

.prod-adv__heading {
  grid-area: heading;
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 1.35vw, 1.06rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--navy-900);
  line-height: 1.25;
  margin: 0;
  padding-right: 3.2rem;
  align-self: center;
  min-width: 0;
}

.prod-adv__teaser {
  grid-area: teaser;
  position: relative;
  z-index: 1;
  margin: 0.75rem 0 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.prod-adv__more {
  grid-area: more;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s var(--ease);
}

.prod-adv__more[hidden] {
  display: grid;
}

.prod-adv__card.is-open .prod-adv__more {
  grid-template-rows: 1fr;
}

.prod-adv__more-inner {
  overflow: hidden;
  min-height: 0;
}

.prod-adv__more-inner p {
  margin: 0.75rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(20, 58, 102, 0.12);
  color: var(--navy-800);
  font-size: 0.88rem;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(-6px);
  transition:
    opacity 0.35s var(--ease) 0.05s,
    transform 0.35s var(--ease) 0.05s;
}

.prod-adv__more-inner p + p {
  margin-top: 0.55rem;
  padding-top: 0;
  border-top: none;
}

.prod-adv__card.is-open .prod-adv__more-inner p {
  opacity: 1;
  transform: none;
}

.prod-adv__btn {
  grid-area: btn;
  position: relative;
  z-index: 1;
  justify-self: start;
  margin-top: 1rem;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy-800);
  border-bottom: 1.5px solid var(--gold-400);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.prod-adv__btn:hover {
  color: var(--navy-950);
  border-color: var(--gold-500);
}

.prod-adv__card.is-open .prod-adv__btn {
  color: var(--gold-500);
  border-color: var(--gold-500);
}

@media (max-width: 960px) {
  .prod-adv__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .prod-adv__grid {
    grid-template-columns: 1fr;
  }

  .prod-adv__card:hover {
    transform: none;
  }
}

/* ---- Technologies ---- */
.prod-works {
  position: relative;
  padding: 3.5rem 0 4rem;
  overflow: clip;
  scroll-margin-top: calc(var(--header-h, 72px) + 0.75rem);
  background:
    linear-gradient(155deg, #050e1a 0%, var(--navy-950) 32%, var(--navy-900) 68%, #0f2a4a 100%);
}

.prod-works__atmos {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.prod-works__grid-drift {
  position: absolute;
  inset: -20%;
  opacity: 0.4;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 15%, transparent 75%);
  animation: prod-works-grid 28s linear infinite;
}

.prod-works__glow {
  position: absolute;
  width: min(42vw, 380px);
  height: min(42vw, 380px);
  border-radius: 50%;
  right: -6%;
  top: 8%;
  background: radial-gradient(circle, rgba(232, 185, 35, 0.22) 0%, rgba(232, 185, 35, 0.06) 42%, transparent 70%);
  filter: blur(2px);
  animation: prod-works-glow 9s ease-in-out infinite alternate;
}

.prod-works__glow--2 {
  right: auto;
  left: -8%;
  top: auto;
  bottom: -12%;
  width: min(48vw, 420px);
  height: min(48vw, 420px);
  background: radial-gradient(circle, rgba(30, 79, 133, 0.45) 0%, rgba(20, 58, 102, 0.12) 45%, transparent 72%);
  animation-duration: 12s;
  animation-direction: alternate-reverse;
}

.prod-works__scan {
  position: absolute;
  left: 0;
  right: 0;
  height: 28%;
  top: -30%;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(232, 185, 35, 0.045) 45%,
    rgba(255, 255, 255, 0.04) 50%,
    rgba(232, 185, 35, 0.03) 55%,
    transparent 100%
  );
  animation: prod-works-scan 11s ease-in-out infinite;
}

.prod-works__beam {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 18%;
  left: -20%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.03) 45%,
    rgba(232, 185, 35, 0.06) 50%,
    rgba(255, 255, 255, 0.03) 55%,
    transparent
  );
  animation: prod-works-beam 16s linear infinite;
}

.prod-works__sparks {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.prod-works__sparks i {
  position: absolute;
  bottom: -8%;
  left: var(--x, 50%);
  width: var(--s, 3px);
  height: var(--s, 3px);
  border-radius: 50%;
  background: var(--c, #e8b923);
  box-shadow:
    0 0 6px var(--c, #e8b923),
    0 0 12px rgba(232, 185, 35, 0.45);
  opacity: 0;
  animation: prod-spark var(--d, 4s) linear infinite;
  animation-delay: var(--delay, 0s);
}

.prod-works__sparks i:nth-child(1)  { --x: 8%;  --s: 2px; --d: 3.8s; --delay: 0s;    --c: #f0cc55; }
.prod-works__sparks i:nth-child(2)  { --x: 14%; --s: 3px; --d: 4.6s; --delay: 0.4s;  --c: #e8b923; }
.prod-works__sparks i:nth-child(3)  { --x: 22%; --s: 2px; --d: 5.1s; --delay: 1.1s;  --c: #fff3c4; }
.prod-works__sparks i:nth-child(4)  { --x: 28%; --s: 4px; --d: 3.4s; --delay: 0.7s;  --c: #d4a017; }
.prod-works__sparks i:nth-child(5)  { --x: 35%; --s: 2px; --d: 4.9s; --delay: 1.8s;  --c: #ffd666; }
.prod-works__sparks i:nth-child(6)  { --x: 42%; --s: 3px; --d: 3.6s; --delay: 0.2s;  --c: #e8b923; }
.prod-works__sparks i:nth-child(7)  { --x: 48%; --s: 2px; --d: 5.4s; --delay: 2.2s;  --c: #fff8e0; }
.prod-works__sparks i:nth-child(8)  { --x: 55%; --s: 3px; --d: 4.1s; --delay: 0.9s;  --c: #f0cc55; }
.prod-works__sparks i:nth-child(9)  { --x: 61%; --s: 2px; --d: 3.9s; --delay: 1.5s;  --c: #d4a017; }
.prod-works__sparks i:nth-child(10) { --x: 68%; --s: 4px; --d: 4.7s; --delay: 0.3s;  --c: #e8b923; }
.prod-works__sparks i:nth-child(11) { --x: 74%; --s: 2px; --d: 5.2s; --delay: 2.6s;  --c: #ffd666; }
.prod-works__sparks i:nth-child(12) { --x: 81%; --s: 3px; --d: 3.7s; --delay: 1.3s;  --c: #fff3c4; }
.prod-works__sparks i:nth-child(13) { --x: 88%; --s: 2px; --d: 4.4s; --delay: 0.6s;  --c: #e8b923; }
.prod-works__sparks i:nth-child(14) { --x: 93%; --s: 3px; --d: 5s;   --delay: 2s;    --c: #d4a017; }
.prod-works__sparks i:nth-child(15) { --x: 11%; --s: 2px; --d: 4.2s; --delay: 3.1s;  --c: #f0cc55; }
.prod-works__sparks i:nth-child(16) { --x: 19%; --s: 3px; --d: 3.5s; --delay: 2.4s;  --c: #ffd666; }
.prod-works__sparks i:nth-child(17) { --x: 33%; --s: 2px; --d: 4.8s; --delay: 3.4s;  --c: #e8b923; }
.prod-works__sparks i:nth-child(18) { --x: 46%; --s: 4px; --d: 3.3s; --delay: 1.7s;  --c: #fff8e0; }
.prod-works__sparks i:nth-child(19) { --x: 58%; --s: 2px; --d: 5.3s; --delay: 2.9s;  --c: #d4a017; }
.prod-works__sparks i:nth-child(20) { --x: 66%; --s: 3px; --d: 4s;   --delay: 0.1s;  --c: #f0cc55; }
.prod-works__sparks i:nth-child(21) { --x: 77%; --s: 2px; --d: 3.8s; --delay: 3.6s;  --c: #e8b923; }
.prod-works__sparks i:nth-child(22) { --x: 84%; --s: 3px; --d: 4.5s; --delay: 2.1s;  --c: #ffd666; }
.prod-works__sparks i:nth-child(23) { --x: 25%; --s: 2px; --d: 5.1s; --delay: 3.8s;  --c: #fff3c4; }
.prod-works__sparks i:nth-child(24) { --x: 52%; --s: 3px; --d: 3.9s; --delay: 1s;    --c: #d4a017; }

@keyframes prod-works-grid {
  to { transform: translate3d(-52px, -52px, 0); }
}

@keyframes prod-works-glow {
  from { opacity: 0.55; transform: scale(1); }
  to { opacity: 1; transform: scale(1.12); }
}

@keyframes prod-works-scan {
  0% { top: -30%; opacity: 0; }
  12% { opacity: 1; }
  88% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

@keyframes prod-works-beam {
  from { transform: translateX(0); }
  to { transform: translateX(700%); }
}

@keyframes prod-spark {
  0% {
    opacity: 0;
    transform: translate3d(0, 0, 0) scale(0.6);
  }
  8% {
    opacity: 1;
  }
  70% {
    opacity: 0.85;
  }
  100% {
    opacity: 0;
    transform: translate3d(var(--drift, 28px), -110vh, 0) scale(0.2);
  }
}

.prod-works__sparks i:nth-child(odd)  { --drift: 36px; }
.prod-works__sparks i:nth-child(even) { --drift: -32px; }
.prod-works__sparks i:nth-child(3n)   { --drift: 18px; }
.prod-works__sparks i:nth-child(4n)   { --drift: -44px; }

.prod-works > .container {
  position: relative;
  z-index: 1;
}

.prod-works__head {
  margin-bottom: 1.75rem;
  max-width: none;
}

.prod-works__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 700;
  color: #ffffff;
  margin: 0.35rem 0 0.55rem;
  letter-spacing: -0.025em;
  white-space: nowrap;
}

.prod-works__lead {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 1.02rem;
}

@media (max-width: 720px) {
  .prod-works__title {
    white-space: normal;
  }
}

.prod-works__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.15rem;
}

.prod-works__card {
  position: relative;
  margin: 0;
  padding: 1.25rem 1.15rem 1.3rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-top: 3px solid transparent;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
  min-height: 100%;
  transition:
    border-color 0.35s var(--ease),
    box-shadow 0.35s var(--ease),
    transform 0.35s var(--ease),
    background 0.35s var(--ease);
}

.prod-works__card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(232, 185, 35, 0.45);
  border-top-color: var(--gold-400);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.28);
  transform: translateY(-4px);
}

.prod-works__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--navy-950);
  background: var(--gold-400);
  transition: transform 0.3s var(--ease), background 0.3s var(--ease);
}

.prod-works__card:hover .prod-works__num {
  background: var(--gold-300);
  transform: scale(1.06);
}

.prod-works__card h3 {
  margin: 0;
  padding: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
  text-align: left;
  line-height: 1.3;
}

.prod-works__card h3 small {
  display: inline;
  font-size: 0.86em;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.55);
}

.prod-works__note {
  margin: 0;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.4;
}

.prod-works__hit {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
  width: 100%;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.prod-works__more {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0.15rem 0 0;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-400);
}

.prod-works__more::after {
  content: "";
  width: 0.9rem;
  height: 1px;
  background: var(--gold-400);
  transition: width 0.25s var(--ease);
}

.prod-works__card--link:hover .prod-works__more,
.prod-works__hit[aria-expanded="true"] .prod-works__more {
  color: var(--gold-300);
}

.prod-works__card--link:hover .prod-works__more::after,
.prod-works__hit[aria-expanded="true"] .prod-works__more::after {
  width: 1.5rem;
}

.prod-works__card--link.is-active {
  border-color: var(--gold-400);
  border-top-color: var(--gold-400);
  background: rgba(232, 185, 35, 0.08);
  box-shadow: 0 0 0 1px rgba(232, 185, 35, 0.25), 0 14px 32px rgba(0, 0, 0, 0.28);
}

/* Detail panels */
.prod-detail {
  margin-top: 1.5rem;
  padding: 1.75rem 1.5rem 1.85rem;
  background: var(--white);
  border: 1px solid rgba(212, 160, 23, 0.45);
  box-shadow: 0 18px 40px rgba(11, 31, 58, 0.08);
  opacity: 0;
  transform: translateY(16px) scale(0.98);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

.prod-detail.is-open {
  opacity: 1;
  transform: none;
}

.prod-detail[hidden] {
  display: none;
}

.prod-detail__bar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.prod-detail__heading {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  font-weight: 700;
  color: var(--navy-900);
  letter-spacing: -0.02em;
}

.prod-detail__close {
  flex-shrink: 0;
  min-height: 2.35rem;
  padding: 0.4rem 0.85rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy-900);
  background: transparent;
  border: 1px solid var(--steel-200);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.prod-detail__close:hover {
  border-color: var(--gold-400);
  color: var(--gold-500);
}

.prod-detail__intro {
  margin: 0 0 1.35rem;
  color: var(--ink-muted);
  font-size: 0.98rem;
  line-height: 1.65;
  max-width: 52rem;
}

.prod-detail__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 1.5rem 2rem;
  align-items: start;
  margin-bottom: 1.5rem;
}

.prod-detail__media {
  margin: 0;
  border: 1px solid var(--steel-200);
  background: #f3f6fa;
  overflow: hidden;
}

.prod-detail__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 240px;
  max-height: 360px;
  object-fit: cover;
}

.prod-detail__copy h4 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--gold-500);
  letter-spacing: -0.02em;
}

.prod-detail__copy p {
  margin: 0 0 0.85rem;
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.prod-detail__copy p:last-child {
  margin-bottom: 0;
}

.prod-detail__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 2rem;
  margin-bottom: 1.75rem;
}

.prod-detail__cols h4 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy-900);
}

.prod-detail__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.prod-detail__list li {
  position: relative;
  padding-left: 1rem;
  color: var(--ink-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.prod-detail__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.4rem;
  height: 0.4rem;
  background: var(--gold-400);
}

.prod-detail__price h4 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy-900);
}

.prod-detail__price > p {
  margin: 0 0 1rem;
  color: var(--ink-muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.prod-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--steel-200);
}

.prod-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
  font-size: 0.9rem;
}

.prod-table th,
.prod-table td {
  padding: 0.7rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid var(--steel-200);
}

.prod-table thead th {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--navy-900);
  border-bottom: none;
}

.prod-table tbody td:nth-child(1),
.prod-table tbody td:nth-child(2) {
  background: rgba(232, 185, 35, 0.1);
  font-weight: 600;
  color: var(--navy-900);
}

.prod-table tbody tr:hover td {
  background: rgba(20, 58, 102, 0.04);
}

.prod-table tbody tr:hover td:nth-child(1),
.prod-table tbody tr:hover td:nth-child(2) {
  background: rgba(232, 185, 35, 0.18);
}

/* ---- Gallery: 4-up flip reveal ---- */
.prod-gallery {
  position: relative;
  padding: 2.5rem 0 2.75rem;
  overflow: clip;
  background:
    linear-gradient(180deg, #f5f7fa 0%, var(--white) 38%, #eef2f7 100%);
}

.prod-gallery__atmos {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.prod-gallery__glow {
  position: absolute;
  width: min(46vw, 400px);
  height: min(46vw, 400px);
  border-radius: 50%;
  right: -6%;
  top: -8%;
  background: radial-gradient(circle, rgba(232, 185, 35, 0.2) 0%, rgba(232, 185, 35, 0.06) 40%, transparent 70%);
  animation: prod-gallery-glow 9s ease-in-out infinite alternate;
  display: block;
}

.prod-gallery__glow--2 {
  right: auto;
  left: -10%;
  top: auto;
  bottom: -16%;
  width: min(50vw, 440px);
  height: min(50vw, 440px);
  background: radial-gradient(circle, rgba(30, 79, 133, 0.16) 0%, rgba(20, 58, 102, 0.05) 45%, transparent 72%);
  animation-duration: 12s;
  animation-direction: alternate-reverse;
}

.prod-gallery__grid {
  position: absolute;
  inset: -10%;
  display: block;
  opacity: 0.5;
  background-image:
    linear-gradient(rgba(20, 58, 102, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 58, 102, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 75% 60% at 50% 45%, #000 12%, transparent 75%);
  animation: prod-gallery-grid 24s linear infinite;
}

.prod-gallery__orbit {
  position: absolute;
  right: max(2%, calc((100% - var(--max)) / 2));
  top: 12%;
  width: min(18vw, 160px);
  aspect-ratio: 1;
  border: 1px solid rgba(232, 185, 35, 0.28);
  border-radius: 50%;
  opacity: 0.7;
  animation: prod-gallery-orbit 22s linear infinite;
}

.prod-gallery__orbit::before {
  content: "";
  position: absolute;
  inset: 18%;
  border: 1px solid rgba(20, 58, 102, 0.12);
  border-radius: 50%;
}

.prod-gallery__orbit::after {
  content: "";
  position: absolute;
  top: -4px;
  left: 50%;
  width: 8px;
  height: 8px;
  margin-left: -4px;
  border-radius: 50%;
  background: var(--gold-400);
  box-shadow: 0 0 10px rgba(232, 185, 35, 0.7);
}

.prod-gallery__spark {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold-400);
  box-shadow: 0 0 12px rgba(232, 185, 35, 0.65);
  top: 28%;
  left: 16%;
  opacity: 0.4;
  animation: prod-gallery-spark 5s ease-in-out infinite;
}

.prod-gallery__spark--2 {
  top: 70%;
  left: 82%;
  width: 4px;
  height: 4px;
  animation-delay: 1.2s;
  animation-duration: 5.8s;
}

.prod-gallery__spark--3 {
  top: 48%;
  left: 8%;
  width: 5px;
  height: 5px;
  animation-delay: 2.4s;
  animation-duration: 6.4s;
}

.prod-gallery__spark--4 {
  top: 18%;
  left: 62%;
  width: 4px;
  height: 4px;
  animation-delay: 0.7s;
  animation-duration: 4.6s;
}

@keyframes prod-gallery-glow {
  from { opacity: 0.6; transform: scale(1); }
  to { opacity: 1; transform: scale(1.12); }
}

@keyframes prod-gallery-grid {
  to { transform: translate3d(-44px, -44px, 0); }
}

@keyframes prod-gallery-orbit {
  to { transform: rotate(360deg); }
}

@keyframes prod-gallery-spark {
  0%, 100% { opacity: 0.15; transform: scale(0.75); }
  50% { opacity: 0.9; transform: scale(1.3); }
}

.prod-gallery__inner {
  position: relative;
  z-index: 1;
}

.prod-gallery__head {
  margin-bottom: 1.75rem;
  max-width: 44rem;
}

.prod-gallery__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 700;
  color: var(--navy-900);
  margin: 0 0 0.55rem;
  letter-spacing: -0.025em;
}

.prod-gallery__title::after {
  content: "";
  display: block;
  width: 3.25rem;
  height: 3px;
  margin-top: 0.75rem;
  background: linear-gradient(90deg, var(--gold-400), rgba(232, 185, 35, 0.15));
}

.prod-gallery__lead {
  margin: 0;
  color: var(--ink-muted);
  font-size: 1.02rem;
  line-height: 1.5;
}

.prod-gallery__board {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.85rem 1rem;
}

.prod-gallery__viewport {
  position: relative;
  overflow: hidden;
  min-height: clamp(280px, 34vw, 420px);
  container-type: inline-size;
  --gallery-visible: 4;
}

.prod-gallery__row {
  display: flex;
  gap: 1rem;
  will-change: transform;
}

.prod-gallery__card {
  position: relative;
  display: block;
  flex: 0 0 calc((100cqi - (var(--gallery-visible) - 1) * 1rem) / var(--gallery-visible));
  width: calc((100cqi - (var(--gallery-visible) - 1) * 1rem) / var(--gallery-visible));
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  aspect-ratio: 3 / 4;
  outline: none;
  color: inherit;
  font: inherit;
  text-align: left;
}

.prod-gallery__frame {
  position: absolute;
  inset: 0;
  display: block;
  overflow: hidden;
  background: var(--steel-100);
  border: 1px solid rgba(20, 58, 102, 0.12);
  box-shadow: 0 12px 28px rgba(11, 31, 58, 0.1);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.prod-gallery__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(232, 185, 35, 0.25);
}

.prod-gallery__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s var(--ease), filter 0.35s var(--ease);
}

.prod-gallery__card:hover .prod-gallery__frame {
  border-color: rgba(212, 160, 23, 0.5);
  box-shadow:
    0 0 0 1px rgba(232, 185, 35, 0.2),
    0 16px 36px rgba(11, 31, 58, 0.14);
}

.prod-gallery__card:hover .prod-gallery__frame img,
.prod-gallery__card:focus-visible .prod-gallery__frame img {
  transform: scale(1.05);
  filter: brightness(1.06);
}

.prod-gallery__arrow {
  z-index: 5;
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  border: none;
  background: var(--gold-400);
  color: var(--navy-950);
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(11, 31, 58, 0.16);
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.prod-gallery__arrow svg {
  width: 1.25rem;
  height: 1.25rem;
}

.prod-gallery__arrow:hover:not(:disabled) {
  background: var(--gold-300);
  transform: scale(1.05);
}

.prod-gallery__arrow:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  background: var(--steel-300);
  color: var(--white);
}

.prod-gallery__meta {
  display: flex;
  justify-content: center;
  margin-top: 1.5rem;
}

.prod-gallery__scrub {
  width: min(100%, 28rem);
  padding: 0.55rem 0;
  cursor: default;
}

.prod-gallery__scrub-track {
  position: relative;
  display: block;
  width: 100%;
  height: 4px;
  border-radius: 999px;
  background: rgba(20, 58, 102, 0.12);
  overflow: hidden;
}

.prod-gallery__scrub-thumb {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  min-width: 14%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold-400), var(--gold-500));
  box-shadow: 0 0 0 1px rgba(232, 185, 35, 0.25);
  transition: left 0.45s cubic-bezier(0.22, 1, 0.36, 1), width 0.35s var(--ease);
}

/* Lightbox */
.prod-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s var(--ease), visibility 0.22s var(--ease);
}

.prod-lightbox[hidden] {
  display: none;
}

.prod-lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.prod-lightbox.is-open[hidden] {
  display: grid;
}

.prod-lightbox__backdrop {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  border: none;
  background: rgba(5, 14, 26, 0.88);
  cursor: pointer;
}

.prod-lightbox__dialog {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
  width: min(100%, 1100px);
  max-height: min(92vh, 900px);
  transform: scale(0.96);
  transition: transform 0.22s var(--ease);
}

.prod-lightbox.is-open .prod-lightbox__dialog {
  transform: none;
}

.prod-lightbox__figure {
  position: relative;
  margin: 0;
  max-height: min(88vh, 860px);
  background: #050e1a;
  border: 1px solid rgba(232, 185, 35, 0.35);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.prod-lightbox__img {
  display: block;
  width: 100%;
  max-height: min(84vh, 820px);
  object-fit: contain;
  background: #050e1a;
}

.prod-lightbox__close {
  position: absolute;
  top: 0;
  right: 2.75rem;
  z-index: 2;
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border: none;
  background: var(--gold-400);
  color: var(--navy-950);
  cursor: pointer;
  transform: translateY(-40%);
}

.prod-lightbox__close svg {
  width: 1.15rem;
  height: 1.15rem;
}

.prod-lightbox__close:hover {
  background: var(--gold-300);
}

.prod-lightbox__nav {
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  border: none;
  background: var(--gold-400);
  color: var(--navy-950);
  cursor: pointer;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.prod-lightbox__nav svg {
  width: 1.25rem;
  height: 1.25rem;
}

.prod-lightbox__nav:hover {
  background: var(--gold-300);
  transform: scale(1.05);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .prod-detail__cols {
    grid-template-columns: 1fr;
  }

  .prod-works__grid {
    grid-template-columns: 1fr 1fr;
  }

  .prod-gallery__board {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .prod-gallery__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 6;
  }

  .prod-gallery__arrow--prev { left: 0; }
  .prod-gallery__arrow--next { right: 0; }

  .prod-gallery__arrow:hover:not(:disabled) {
    transform: translateY(-50%) scale(1.05);
  }

  .prod-gallery__viewport {
    min-height: 280px;
  }
}

@media (min-width: 561px) and (max-width: 900px) {
  .prod-gallery__viewport {
    --gallery-visible: 2;
  }
}

@media (max-width: 560px) {
  .prod-works__grid {
    grid-template-columns: 1fr;
  }

  .prod-gallery__viewport {
    --gallery-visible: 1;
  }

  .prod-lightbox__dialog {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .prod-lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
  }

  .prod-lightbox__nav--prev { left: 0.35rem; }
  .prod-lightbox__nav--next { right: 0.35rem; }

  .prod-lightbox__close {
    right: 0;
    top: 0.35rem;
    transform: none;
  }

  .prod-detail {
    padding: 1.25rem 1rem 1.35rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .prod-hero__title,
  .prod-hero__lead {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .page-prod [data-reveal],
  .page-prod [data-stagger] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .prod-works__card:hover {
    transform: none;
  }

  .prod-works__grid-drift,
  .prod-works__glow,
  .prod-works__scan,
  .prod-works__beam,
  .prod-works__sparks i,
  .prod-adv__glow,
  .prod-adv__mesh,
  .prod-adv__sweep,
  .prod-adv__ring,
  .prod-gallery__glow,
  .prod-gallery__grid,
  .prod-gallery__orbit,
  .prod-gallery__spark {
    animation: none !important;
  }

  .prod-works__sparks {
    display: none;
  }

  .prod-gallery__card,
  .prod-gallery__frame img,
  .prod-lightbox {
    transition: none !important;
    animation: none !important;
  }
}