:root {
  --crv-navy: #172f56;
  --crv-navy-soft: #29486f;
  --crv-blue: #7aa2c4;
  --crv-lilac: #bca8f4;
  --crv-white: #ffffff;
  --crv-panel: rgba(255, 255, 255, 0.95);
  --crv-border: rgba(23, 47, 86, 0.12);
  --crv-shadow: 0 18px 45px rgba(12, 30, 56, 0.15);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.commercial-page {
  margin: 0;
  min-width: 320px;
  color: var(--crv-navy);
  background: #edf0f4;
  font-family: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.commercial-page .scroll-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.68), rgba(255, 255, 255, 0.68)),
    repeating-linear-gradient(90deg, transparent 0 139px, rgba(23, 47, 86, 0.11) 140px),
    repeating-linear-gradient(0deg, transparent 0 139px, rgba(23, 47, 86, 0.11) 140px),
    #edf0f4;
}

.commercial-page .scroll-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.38));
  pointer-events: none;
}

.commercial-page .scroll-bg video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transform: scale(1.02);
  filter: saturate(0.35) brightness(1.18) contrast(0.78);
  opacity: 0.78;
}

.commercial-page .shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.commercial-page .topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(23, 47, 86, 0.10);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.commercial-page .topbar-inner {
  width: min(1680px, calc(100% - 40px));
  min-height: 102px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.commercial-page .brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  text-decoration: none;
}

.commercial-page .brand-logo {
  width: 76px;
  height: 76px;
  display: block;
  object-fit: contain;
}

.commercial-page .brand-title-image {
  display: block;
  width: min(255px, 26vw);
  max-height: 58px;
  object-fit: contain;
  object-position: left center;
}

.commercial-page .nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.commercial-page .nav > a,
.commercial-page .nav-dropdown-toggle {
  min-height: 46px;
  padding: 0.72rem 1rem;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--crv-navy);
  background: transparent;
  font: inherit;
  font-size: 1rem;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.commercial-page .nav > a:hover,
.commercial-page .nav-dropdown-toggle:hover,
.commercial-page .nav-dropdown-toggle.is-active {
  border-color: var(--crv-navy);
  background: var(--crv-blue);
  color: white;
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.nav-chevron {
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 180ms ease;
}

.nav-dropdown.is-open .nav-chevron {
  transform: rotate(225deg) translate(-2px, -1px);
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  width: 220px;
  padding: 0.5rem;
  border: 1px solid var(--crv-border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 16px 34px rgba(12, 30, 56, 0.18);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -8px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu,
.nav-dropdown.is-open .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.nav-dropdown-menu a {
  display: block;
  padding: 0.8rem 0.9rem;
  border-radius: 12px;
  color: var(--crv-navy);
  text-decoration: none;
}

.nav-dropdown-menu a:hover,
.nav-dropdown-menu a.is-current {
  background: rgba(122, 162, 196, 0.20);
}

.commercial-main {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 100px;
}

.commercial-page .panel {
  overflow: hidden;
  border: 1px solid var(--crv-border);
  border-radius: 26px;
  background: var(--crv-panel);
  box-shadow: var(--crv-shadow);
}

.commercial-intro {
  margin-bottom: 30px;
  padding: clamp(2rem, 4vw, 4rem);
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--crv-blue);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.commercial-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
  align-items: end;
  gap: clamp(2rem, 6vw, 6rem);
}

.commercial-intro h1 {
  margin: 0;
  max-width: 800px;
  font-size: clamp(2.6rem, 6vw, 5.8rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.commercial-intro-grid > p {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.72;
}

.service-showcase {
  display: grid;
  gap: 30px;
}

.service-row {
  display: grid;
  grid-template-columns: minmax(280px, 0.68fr) minmax(0, 1.42fr);
  gap: 24px;
}

.service-row-reverse {
  grid-template-columns: minmax(0, 1.42fr) minmax(280px, 0.68fr);
}

.service-row-reverse .service-copy {
  order: 2;
}

.service-row-reverse .service-viewer {
  order: 1;
}

.service-copy {
  min-height: 580px;
}

.service-copy .panel-inner {
  height: 100%;
  padding: clamp(1.7rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
}

.service-number {
  margin: 0 0 auto;
  color: var(--crv-lilac);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.service-copy h2 {
  margin: 3rem 0 1rem;
  font-size: clamp(1.8rem, 3vw, 2.65rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.service-copy p:not(.service-number),
.service-points {
  font-size: 0.98rem;
  line-height: 1.65;
}

.service-points {
  margin: 1.6rem 0 0;
  padding: 1.4rem 0 0;
  border-top: 1px solid var(--crv-border);
  list-style: none;
}

.service-points li {
  position: relative;
  padding: 0.35rem 0 0.35rem 1.2rem;
}

.service-points li::before {
  content: "";
  position: absolute;
  top: 0.83rem;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--crv-blue);
}

.service-viewer {
  min-width: 0;
  min-height: 580px;
  background: rgba(246, 248, 251, 0.97);
}

.viewer-stage {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 580px;
  overflow: hidden;
  touch-action: pan-y;
  background:
    radial-gradient(circle at 50% 42%, #ffffff 0, #edf2f6 52%, #e3e9ef 100%);
}

.viewer-stage canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
  outline: none;
}

.viewer-stage canvas:active {
  cursor: grabbing;
}

.viewer-stage:focus-within {
  box-shadow: inset 0 0 0 3px rgba(122, 162, 196, 0.65);
}

.viewer-loader,
.viewer-error {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: grid;
  align-content: center;
  padding: 2rem;
  background: rgba(247, 249, 252, 0.94);
  transition: opacity 300ms ease, visibility 300ms ease;
}

.viewer-loader.is-complete {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.viewer-loader-copy {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.viewer-progress-track,
.model-load-overall {
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(23, 47, 86, 0.10);
}

.viewer-progress-bar,
#overallLoadBar {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--crv-blue), var(--crv-lilac));
  transition: width 160ms ease;
}

.viewer-error {
  justify-items: center;
  gap: 0.5rem;
  text-align: center;
  color: #7b2d36;
}

.viewer-error[hidden] {
  display: none;
}

.viewer-hint {
  position: absolute;
  left: 18px;
  bottom: 18px;
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  pointer-events: none;
}

.viewer-hint span,
.viewer-reset {
  padding: 0.45rem 0.7rem;
  border: 1px solid rgba(23, 47, 86, 0.10);
  border-radius: 999px;
  color: var(--crv-navy);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 6px 18px rgba(23, 47, 86, 0.08);
  backdrop-filter: blur(8px);
  font: inherit;
  font-size: 0.72rem;
}

.viewer-reset {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 3;
  cursor: pointer;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 180ms ease, transform 180ms ease, background 180ms ease;
}

.viewer-stage:hover .viewer-reset,
.viewer-reset:focus-visible {
  opacity: 1;
  transform: translateY(0);
}

.viewer-reset:hover {
  background: white;
}

.commercial-cta {
  margin-top: 30px;
  padding: clamp(1.8rem, 4vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.commercial-cta h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 500;
  letter-spacing: -0.045em;
}

.commercial-page .cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.25rem;
  border: 1px solid var(--crv-navy);
  border-radius: 999px;
  text-decoration: none;
  white-space: nowrap;
}

.commercial-page .cta-primary {
  color: white;
  background: var(--crv-navy);
}

.commercial-page .footer {
  border-top: 1px solid rgba(23, 47, 86, 0.12);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
}

.commercial-page .footer-inner {
  width: min(1240px, calc(100% - 40px));
  min-height: 90px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.9rem;
}

.model-load-panel {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 80;
  width: min(380px, calc(100% - 44px));
  padding: 1rem;
  border: 1px solid var(--crv-border);
  border-radius: 20px;
  color: var(--crv-navy);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 20px 50px rgba(12, 30, 56, 0.22);
  backdrop-filter: blur(18px);
  transition: opacity 350ms ease, transform 350ms ease, visibility 350ms ease;
}

.model-load-panel.is-complete {
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  pointer-events: none;
}

.model-load-heading,
.model-load-item {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.model-load-heading {
  margin-bottom: 0.8rem;
  font-size: 0.88rem;
}

.model-load-list {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
}

.model-load-item {
  font-size: 0.76rem;
  color: rgba(23, 47, 86, 0.76);
}

.model-load-item.is-done .model-load-status {
  color: #2f7254;
}

.model-load-item.is-error .model-load-status {
  color: #a23743;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (max-width: 900px) {
  .commercial-page .topbar-inner {
    min-height: auto;
    padding: 14px 0;
    align-items: flex-start;
  }

  .commercial-page .brand-logo {
    width: 56px;
    height: 56px;
  }

  .commercial-page .brand-title-image {
    width: 170px;
  }

  .commercial-page .nav {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .commercial-intro-grid,
  .service-row,
  .service-row-reverse {
    grid-template-columns: 1fr;
  }

  .service-row-reverse .service-copy,
  .service-row-reverse .service-viewer {
    order: initial;
  }

  .service-copy {
    min-height: 0;
  }

  .service-copy .panel-inner {
    min-height: 430px;
  }
}

@media (max-width: 660px) {
  .commercial-page .topbar {
    position: relative;
  }

  .commercial-page .topbar-inner {
    width: min(100% - 24px, 1240px);
    display: grid;
  }

  .commercial-page .nav {
    justify-content: flex-start;
    gap: 0.2rem;
  }

  .commercial-page .nav > a,
  .commercial-page .nav-dropdown-toggle {
    min-height: 40px;
    padding: 0.55rem 0.7rem;
    font-size: 0.88rem;
  }

  .nav-dropdown-menu {
    left: 0;
    transform: translate(0, -8px);
  }

  .nav-dropdown:hover .nav-dropdown-menu,
  .nav-dropdown:focus-within .nav-dropdown-menu,
  .nav-dropdown.is-open .nav-dropdown-menu {
    transform: translate(0, 0);
  }

  .commercial-main {
    width: min(100% - 24px, 1240px);
    padding-top: 28px;
  }

  .commercial-intro,
  .service-copy .panel-inner {
    padding: 1.35rem;
  }

  .service-copy .panel-inner {
    min-height: 0;
  }

  .service-copy h2 {
    margin-top: 2rem;
  }

  .service-viewer,
  .viewer-stage {
    min-height: 430px;
  }

  .viewer-hint span:nth-child(2) {
    display: none;
  }

  .commercial-cta,
  .commercial-page .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}