/* Shared brand/navigation layer for the fourth concept iteration. */
:root {
  --night: #10171c;
  --paper: #f4f5f2;
  --blue: #0875bc;
  --ink: #191d21;
  --sport: #d5ed5b;
}

/* Original marketing artwork, recomposed as an engineering editorial. */
.technology {
  background: #eceeea;
  color: var(--ink);
}
.technology-lead {
  display: grid;
  grid-template-columns: 0.9fr 1.3fr;
  align-items: center;
  gap: 5%;
  margin-top: 70px;
}
.technology h2,
.field-film h2 {
  font-size: clamp(36px, 4.3vw, 68px);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.2;
  margin: 20px 0 28px;
}
.technology p:not(.small-label),
.field-film-heading p:not(.small-label) {
  color: #58615f;
  line-height: 1.9;
  font-size: 16px;
}
.technology figure {
  margin: 0;
}
.technology figure img {
  width: 100%;
  height: auto;
}
.technology figcaption {
  text-align: right;
  color: #6b7470;
  font-size: 12px;
}
.technology-support {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 7%;
  margin-top: 65px;
  padding-top: 45px;
  border-top: 1px solid #18232124;
}
.technology-support article:first-child {
  display: flex;
  align-items: center;
  gap: 8px;
}
.technology-support img {
  width: 42%;
  object-fit: contain;
}
.technology h3 {
  font-size: clamp(24px, 2.2vw, 32px);
  font-weight: 500;
  margin: 16px 0;
}
.technology-support p {
  max-width: 30em;
}
.technology-support .detail-link {
  margin-top: 20px;
  font-size: 13px;
}
.technology-algorithm {
  padding-left: 8%;
  border-left: 1px solid #18232124;
}
.technology-algorithm ol {
  list-style: none;
  padding: 0;
  display: flex;
  gap: 24px;
  margin: 30px 0 0;
}
.technology-algorithm li {
  font-size: 12px;
  line-height: 1.8;
}
.technology-algorithm li span {
  display: block;
  font-size: 11px;
  color: var(--blue);
}
.field-film {
  background: #fafbf8;
  color: var(--ink);
}
.field-film-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 30px;
  margin-bottom: 38px;
}
.field-film-heading h2 {
  margin-bottom: 0;
}
.field-film-heading .detail-link {
  margin-top: 18px;
}
.field-film video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #17221e;
}
.field-film-caption {
  color: #68716c;
  font-size: 12px;
  margin: 14px 0 0;
}
@media (max-width: 900px) {
  .technology-lead,
  .technology-support {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .technology-lead {
    margin-top: 40px;
  }
  .technology-support {
    margin-top: 35px;
  }
  .technology-algorithm {
    padding: 32px 0 0;
    border-left: 0;
    border-top: 1px solid #18232124;
  }
  .field-film-heading {
    align-items: start;
    flex-direction: column;
  }
}
body {
  padding-top: 76px;
}
.news {
  background: #f0f2ee;
  color: var(--ink);
}
.news > h2 {
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 500;
  margin: 48px 0 40px;
  letter-spacing: -0.04em;
}
.news-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  align-items: center;
  gap: 40px;
  padding: 28px 0;
  border-top: 1px solid #17242124;
  text-decoration: none;
}
.news-row img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: contain;
}
.news-row time,
.news-row span {
  font-size: 12px;
  color: #64716d;
}
.news-row h3 {
  font-size: clamp(19px, 2vw, 28px);
  line-height: 1.5;
  font-weight: 500;
  margin: 13px 0;
}
.news-row:hover h3 {
  color: var(--blue);
}
@media (max-width: 600px) {
  .news-row {
    grid-template-columns: 95px 1fr;
    align-items: start;
    gap: 20px;
  }
}
html {
  scroll-padding-top: 110px;
}
.site-navigation {
  position: fixed;
  z-index: 60;
  top: 0;
  inset-inline: 0;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 0 4.5%;
  background: #fafbf8f5;
  color: var(--ink);
  border-bottom: 1px solid #102a3c15;
  backdrop-filter: blur(20px);
}
.site-brand {
  display: block;
  width: 140px;
  flex: 0 0 auto;
}
.site-brand img {
  width: 100%;
  height: auto;
}
.site-desktop {
  display: flex;
  align-items: center;
  gap: 36px;
  height: 100%;
  font-size: 13px;
}
.site-desktop > a,
.product-menu > summary {
  padding: 30px 0;
}
.site-desktop a:hover,
.site-desktop summary:hover {
  color: var(--blue);
}
.product-menu > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  list-style: none;
  cursor: pointer;
}
summary::-webkit-details-marker {
  display: none;
}
summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 5px;
}
.product-menu > summary span {
  transition: transform 0.2s;
}
.product-menu[open] > summary {
  color: var(--blue);
}
.product-menu[open] > summary span {
  transform: rotate(180deg);
}
.mega-panel {
  position: absolute;
  top: 75px;
  left: 0;
  width: 100%;
  max-height: calc(100dvh - 76px);
  overflow-y: auto;
  background: #fafbf8;
  border-top: 1px solid #dce3e5;
  box-shadow: 0 20px 30px #06152215;
}
.mega-inner {
  max-width: 1400px;
  margin: auto;
  padding: 30px 5% 20px;
}
.mega-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.mega-heading p {
  font-size: 23px;
  letter-spacing: -0.04em;
}
.mega-heading a {
  font-size: 11px;
  color: #61737e;
}
.mega-heading a span {
  margin-left: 15px;
}
.mega-featured {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px 28px;
}
.mega-product {
  display: block;
  min-width: 0;
}
.mega-image {
  background: #edf1f1;
  height: clamp(100px, 16vh, 165px);
  display: flex;
  justify-content: center;
  padding: 14px 25px;
  overflow: hidden;
}
.mega-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.35s;
}
.mega-product:hover .mega-image img {
  transform: scale(1.055);
}
.mega-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 15px 0 18px;
}
.mega-label strong {
  display: inline-block;
  font-size: 21px;
  font-weight: 500;
  margin-right: 16px;
}
.mega-label small {
  font-size: 11px;
  color: #6b7b85;
}
.mega-label i,
.mega-secondary i {
  font-style: normal;
  color: var(--blue);
}
.mega-secondary {
  display: grid;
  grid-template-columns: 0.55fr 1fr 1fr 1fr;
  gap: 20px;
  border-top: 1px solid #dce3e5;
  padding-top: 14px;
  align-items: center;
}
.mega-secondary > span {
  font-size: 11px;
  color: #6b7b85;
}
.mega-secondary a {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 13px;
}
.mega-secondary img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}
.mega-secondary small {
  display: block;
  margin-top: 5px;
  font-size: 10px;
  color: #6b7b85;
}
.mega-secondary i {
  margin-left: auto;
}
.site-actions {
  display: flex;
  gap: 15px;
  align-items: center;
}
.site-contact {
  background: var(--blue);
  color: white;
  padding: 11px 18px;
  border-radius: 24px;
  font-size: 12px;
  white-space: nowrap;
}
.site-contact:hover {
  background: #075d94;
}
.site-contact span {
  margin-left: 20px;
}
.site-menu-toggle {
  display: none;
  border: 0;
  width: 38px;
  height: 38px;
  background: transparent;
  padding: 8px;
}
.site-menu-toggle span {
  display: block;
  height: 1px;
  background: var(--ink);
  margin: 6px 0;
}
.nav-backdrop {
  position: fixed;
  z-index: 50;
  inset: 76px 0 0;
  width: 100%;
  height: calc(100dvh - 76px);
  border: 0;
  background: #061b2c66;
  cursor: default;
  backdrop-filter: blur(5px);
}
[data-mobile-menu] {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: calc(100dvh - 72px);
  overflow: auto;
  overscroll-behavior: contain;
  background: var(--paper);
  padding: 20px 24px 35px;
}
[data-mobile-menu] > a,
[data-mobile-menu] > details > summary {
  display: block;
  border-bottom: 1px solid #d8e0e4;
  padding: 20px 0;
  font-size: 22px;
  list-style: none;
  cursor: pointer;
}
[data-mobile-menu] > details > summary span {
  float: right;
  color: var(--blue);
}
.mobile-products {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 15px;
  padding: 20px 0;
}
.mobile-products a {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  padding: 12px 0;
}
.mobile-products img {
  width: 58px;
  height: 76px;
  object-fit: contain;
}
.mobile-products small {
  display: block;
  font-size: 9px;
  color: #697c87;
  margin-top: 5px;
}
.mobile-products i {
  display: none;
}
.mobile-products .mobile-all {
  grid-column: 1 / -1;
  font-size: 12px;
  color: var(--blue);
}
.hero {
  height: max(740px, calc(100svh - 76px));
  background: radial-gradient(ellipse at 54% 30%, #2c3942, #15222c 34%, #10171c 72%);
}
.hero::after {
  background: linear-gradient(
    180deg,
    #10171c05,
    transparent 25%,
    transparent 49%,
    #10171c85 68%,
    #10171c 98%
  );
}
.hero-meta {
  top: 40px;
}
.hero-word {
  top: 0;
  color: #cceaff10;
}
.hero-object {
  top: 0;
}
.sequence-stage {
  top: 76px;
  height: calc(100svh - 76px);
  background: radial-gradient(ellipse at 71% 46%, #2d414d, #15242d 34%, #10171c 70%);
}
.about {
  background: #19262e;
}
.contact {
  background: #f4f5f2;
  color: var(--ink);
}
.contact .small-label,
.contact-email {
  color: var(--blue);
}
.contact-bottom {
  border-color: #ccd8de;
}
.contact-bottom img {
  filter: none;
}
.contact-bottom > span,
.concept-notice {
  color: #617583;
}
.concept-notice {
  border-color: #d6dfe3;
}
.contact-email {
  border-color: #90acbe;
}
.pill-link {
  background: var(--blue);
  border-color: var(--blue);
  color: white;
}
.pill-link:hover {
  background: #075d94;
  color: white;
}
.product-info .detail-link {
  display: inline-flex;
  align-items: center;
  gap: 25px;
  margin-top: 28px;
  color: var(--blue);
  font-size: 13px;
  border-bottom: 1px solid #b4c8d5;
  padding-bottom: 10px;
}
@media (max-width: 1100px) {
  .site-desktop {
    gap: 24px;
  }
  .mega-label strong {
    font-size: 18px;
  }
}
@media (max-width: 900px) {
  .sequence-stage {
    top: 72px;
    height: calc(100svh - 72px);
  }
  body {
    padding-top: 72px;
  }
  html {
    scroll-padding-top: 90px;
  }
  .site-navigation {
    height: 72px;
    padding: 0 24px;
    gap: 15px;
  }
  .site-brand {
    width: 125px;
  }
  .site-desktop {
    display: none;
  }
  .site-menu-toggle {
    display: block;
  }
  .nav-backdrop {
    inset-block-start: 72px;
    height: calc(100dvh - 72px);
  }
  .site-contact {
    font-size: 11px;
    padding: 10px 14px;
  }
  .site-contact span {
    margin-left: 9px;
  }
}
@media (max-width: 700px) {
  .sequence-stage {
    top: auto;
    height: auto;
  }
  .hero {
    height: calc(100svh - 72px);
    min-height: 700px;
  }
  .hero-meta {
    top: 28px;
  }
  .hero-object {
    top: 10%;
  }
  .hero-word {
    top: 7%;
  }
  .hero-text {
    bottom: 90px;
  }
}
.static-motion .sequence-stage {
  top: auto;
}
[data-mobile-menu] > details[open] > summary span {
  transform: rotate(45deg);
}
@media (max-width: 360px) {
  .site-navigation {
    padding: 0 16px;
  }
  .site-contact {
    padding: 9px 12px;
  }
  .site-actions {
    gap: 5px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .mega-image img,
  .product-menu > summary span {
    transition: none;
  }
}

/* Editorial refinement: complete product grid, quiet corporate palette. */
.site-desktop {
  font-size: 14px;
}
.site-contact {
  background: transparent;
  color: var(--ink);
  border: 1px solid #bcc4c8;
  border-radius: 4px;
  font-size: 14px;
}
.site-contact:hover {
  background: var(--ink);
  color: white;
}
.mega-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 165px;
  gap: 42px;
}
.mega-image {
  background: #edf0ef;
}
.mega-label {
  align-items: flex-start;
  margin: 12px 0;
  gap: 8px;
}
.mega-label strong {
  display: block;
  font-size: 18px;
  margin: 0;
}
.mega-label small {
  display: block;
  font-size: 12px;
  margin-top: 6px;
  line-height: 1.5;
}
.mega-label i {
  padding-top: 3px;
  color: var(--ink);
}
.mega-product[href='k.html'] .mega-image {
  border-bottom: 3px solid var(--sport);
}
.mega-scenes {
  border-left: 1px solid #d6dcdd;
  padding-left: 25px;
}
.mega-scenes p,
.mobile-scenes p {
  font-size: 12px;
  color: #637078;
  margin-bottom: 20px;
}
.mega-scenes a {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  padding: 17px 0;
  gap: 10px;
}
.mega-heading a {
  font-size: 13px;
}
.mobile-scenes {
  border-top: 1px solid #d6dcdd;
  padding: 24px 0 8px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.mobile-scenes p {
  grid-column: 1 / -1;
  margin: 0;
}
.mobile-scenes a {
  font-size: 14px;
}
.mobile-products small {
  font-size: 12px;
  line-height: 1.5;
}
.mobile-products img {
  width: 46px;
  height: 65px;
  flex-shrink: 0;
}
.mobile-products a {
  align-items: flex-start;
}
.hero-meta,
.hero-foot {
  font-size: 12px;
  letter-spacing: 0.07em;
}
.hero-text .small-label {
  font-size: 14px;
}
.hero-subline p {
  font-size: 16px;
}
.hero-subline .round-link {
  border-radius: 4px;
  font-size: 14px;
}
.belief h2 {
  font-size: clamp(32px, 4vw, 64px);
  line-height: 1.5;
  letter-spacing: -0.025em;
}
.belief h2 span {
  color: #657077;
}
.belief-bottom .line-mark {
  display: none;
}
.belief-bottom p,
.product-info > p:not(.small-label),
.about-grid p {
  font-size: 16px;
}
.section-index,
.overline,
.small-label {
  font-size: 12px;
}
.product-tabs small {
  font-size: 12px;
}
.product-info h3 {
  font-size: clamp(26px, 2.6vw, 42px);
}
.product-info dl {
  font-size: 14px;
}
.product-visual > span {
  display: none;
}
.pill-link {
  background: var(--ink);
  border-color: var(--ink);
  border-radius: 4px;
  font-size: 14px;
}
.pill-link:hover {
  background: #34414a;
}
.about {
  padding-bottom: 100px;
}
.contact-top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 35px;
  flex-wrap: wrap;
}
.contact-top > .small-label {
  flex-basis: 100%;
}
.contact h2 {
  font-size: clamp(32px, 4vw, 62px);
  margin-top: 0;
}
.contact-email {
  position: static;
  font-size: clamp(16px, 1.8vw, 27px);
  color: var(--ink);
}
#panel-k .detail-link {
  color: #273317;
  border-bottom: 3px solid var(--sport);
}
.sequence-top > .small-label,
.sequence-chapters .chapter-number {
  color: var(--sport);
}
.sequence-chapters p {
  font-size: 14px;
}
.sequence-track i {
  background: var(--sport);
}
@media (max-width: 1100px) {
  .mega-layout {
    gap: 25px;
    grid-template-columns: minmax(0, 1fr) 140px;
  }
  .mega-featured {
    gap: 12px 18px;
  }
  .mega-scenes {
    padding-left: 18px;
  }
}
@media (max-width: 700px) {
  .site-contact {
    font-size: 12px;
  }
  .hero-meta {
    font-size: 11px;
  }
  .hero-foot {
    font-size: 10px;
  }
  .hero-subline p {
    font-size: 14px;
  }
  .belief-bottom p br,
  .about-grid p br {
    display: none;
  }
  .belief-layout {
    gap: 24px;
  }
  .contact-top {
    display: block;
  }
  .contact h2 {
    margin-top: 25px;
  }
  .contact-email {
    display: inline-block;
    margin-top: 30px;
  }
}

/* Scene selection happens inside the menu, before following a product link. */
.scene-menu {
  display: grid;
  grid-template-columns: 185px minmax(0, 1fr);
  gap: 48px;
}
.scene-tabs {
  border-right: 1px solid #dce0df;
  padding: 8px 28px 12px 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.scene-tabs button {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  align-items: center;
  border: 0;
  background: transparent;
  color: #6a7378;
  font-size: 16px;
  text-align: left;
  padding: 18px 0;
}
.scene-tabs button span {
  opacity: 0;
  font-size: 14px;
}
.scene-tabs button[aria-selected='true'] {
  color: var(--ink);
  font-weight: 600;
}
.scene-tabs button[aria-selected='true'] span {
  opacity: 1;
}
.scene-tabs button:hover {
  color: var(--blue);
}
.scene-results {
  min-width: 0;
  min-height: 330px;
}
.scene-products {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px 32px;
}
.scene-products .mega-image {
  height: 158px;
  background: transparent;
  padding: 6px 12px;
}
.scene-products .mega-label {
  padding-bottom: 12px;
  border-bottom: 1px solid #e1e5e3;
}
.scene-products .mega-product[href='k.html'] .mega-image {
  border: 0;
}
.scene-products .mega-label strong {
  font-size: 17px;
}
.scene-products .mega-label small {
  font-size: 12px;
}

/* The opening spread uses the supplied H brochure rendering. */
.editorial-hero {
  min-height: 720px;
  height: calc(100svh - 76px);
  max-height: 1050px;
  background: #edf0f0;
  color: #1b2228;
}
.editorial-hero::after {
  display: none;
}
.editorial-hero .hero-text {
  top: 23%;
  bottom: auto;
  left: 6.5%;
  width: 44%;
  padding: 0;
  text-align: left;
}
.editorial-hero .hero-text .small-label {
  color: #5e727e;
  font-size: 12px;
  letter-spacing: 0.16em;
  margin-bottom: 30px;
}
.editorial-hero h1 {
  font-size: clamp(56px, 5.8vw, 88px);
  line-height: 1.25;
  letter-spacing: -0.045em;
  font-weight: 500;
}
.editorial-hero h1 span {
  display: block;
}
.hero-introduction {
  font-size: 17px;
  color: #57646d;
  line-height: 1.9;
  margin-top: 32px;
}
.editorial-hero .hero-subline {
  justify-content: flex-start;
  gap: 30px;
  margin-top: 32px;
}
.editorial-hero .round-link {
  color: white;
  border-color: #1b2228;
  background: #1b2228;
  padding: 14px 22px;
}
.editorial-hero .round-link:hover {
  background: #354754;
}
.hero-secondary {
  font-size: 14px;
}
.hero-product-stage {
  position: absolute;
  inset: 1% -3% 6% 42%;
  background: radial-gradient(ellipse at 55% 52%, #fff 0, #fff0 65%);
}
.editorial-hero .hero-object {
  width: 100%;
  height: 100%;
  inset: 0;
  transform: none;
  object-fit: contain;
  max-width: 100%;
}
.editorial-hero .hero-foot {
  color: #596a75;
  left: 6.5%;
  right: 6.5%;
  bottom: 28px;
  border-top: 1px solid #cbd3d6;
  padding-top: 20px;
}
.editorial-hero .hero-foot a {
  color: #293c49;
}
@media (max-width: 1100px) {
  .scene-menu {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 25px;
  }
  .scene-products {
    gap: 18px;
  }
  .scene-tabs {
    padding-right: 18px;
  }
  .scene-products .mega-label strong {
    font-size: 16px;
  }
  .editorial-hero .hero-subline {
    flex-wrap: wrap;
    gap: 22px;
  }
}
@media (max-width: 900px) {
  [data-mobile-menu] .scene-menu {
    display: block;
  }
  [data-mobile-menu] .scene-tabs {
    flex-direction: row;
    overflow-x: auto;
    gap: 22px;
    border: 0;
    padding: 14px 0;
  }
  [data-mobile-menu] .scene-tabs button {
    flex-shrink: 0;
    padding: 12px 0;
    font-size: 14px;
    border-bottom: 2px solid transparent;
  }
  [data-mobile-menu] .scene-tabs button[aria-selected='true'] {
    border-color: var(--ink);
  }
  [data-mobile-menu] .scene-tabs button span {
    display: none;
  }
  [data-mobile-menu] .scene-products {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
  [data-mobile-menu] .scene-products .mega-image {
    height: 130px;
  }
  [data-mobile-menu] .scene-results {
    min-height: 0;
  }
  [data-mobile-menu] .mega-label strong {
    font-size: 15px;
  }
  [data-mobile-menu] .mega-label i {
    display: none;
  }
  [data-mobile-menu] .mobile-all {
    display: block;
    font-size: 14px;
    padding: 24px 0;
  }
}
@media (max-width: 700px) {
  .editorial-hero {
    height: auto;
    min-height: 920px;
    max-height: none;
  }
  .editorial-hero .hero-text {
    top: 48px;
    left: 24px;
    right: 24px;
    width: auto;
  }
  .editorial-hero .hero-text .small-label {
    margin-bottom: 22px;
    font-size: 11px;
  }
  .editorial-hero h1 {
    font-size: clamp(46px, 10vw, 62px);
  }
  .hero-introduction {
    margin-top: 22px;
    font-size: 15px;
  }
  .editorial-hero .hero-subline {
    margin-top: 24px;
    gap: 25px;
  }
  .hero-product-stage {
    top: 395px;
    bottom: 75px;
    left: -8%;
    right: -8%;
  }
  .editorial-hero .hero-foot {
    left: 24px;
    right: 24px;
    bottom: 22px;
    font-size: 10px;
    gap: 12px;
  }
  .editorial-hero .hero-foot > span:last-child {
    display: none;
  }
}
@media (max-width: 700px) {
  .editorial-hero .hero-subline {
    display: flex;
  }
}

/* Desktop product title is also the native product-directory link.
   Hover still uses the existing details controller; mobile retains its expander. */
.product-menu > summary {
  height: var(--header-height, 76px);
  padding: 0;
}
.product-menu > summary .product-overview-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  height: 100%;
  color: inherit;
}