.site-header {
  position:fixed;
  inset:14px 0 auto;
  z-index:100;
  border:0;
  background:transparent
}

.nav-wrap {
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
  padding:0 20px;
  border:1px solid var(--line);
  border-radius:18px;
  background:rgba(255,255,255,.92);
  box-shadow:0 14px 40px rgba(7,20,38,.07);
  backdrop-filter:blur(18px)
}

.brand {
  display:flex;
  align-items:center;
  flex:0 0 auto
}

.brand-logo {
  display:block;
  width:194px;
  height:68px;
  object-fit:contain;
  object-position:left center
}

.site-nav {
  display:flex;
  align-items:center;
  gap:25px;
  color:#354358;
  font-size:13px;
  font-weight:500
}

.site-nav>a:not(.nav-cta) {
  position:relative;
  padding:8px 0;
  transition:color .2s ease
}

.site-nav>a:not(.nav-cta)::after {
  content:"";
  position:absolute;
  right:0;
  bottom:2px;
  left:0;
  height:1px;
  background:var(--blue);
  transform:scaleX(0);
  transform-origin:right;
  transition:transform .25s ease
}

.site-nav>a:not(.nav-cta):hover,
.site-nav>a.is-current {
  color:var(--blue)
}

.site-nav>a:not(.nav-cta):hover::after,
.site-nav>a.is-current::after {
  transform:scaleX(1);
  transform-origin:left
}

.nav-cta,
.mobile-project-cta {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  background:var(--blue);
  color:#fff;
  font-weight:600;
  box-shadow:0 12px 28px rgba(23,105,255,.2)
}

.nav-cta {
  min-height:48px;
  margin-left:4px;
  padding:0 18px
}

.mobile-project-cta,
.mobile-nav-actions,
.menu-toggle {
  display:none
}

.language-switch {
  display:inline-grid;
  grid-template-columns:repeat(2,1fr);
  gap:4px;
  padding:0;
  border:0;
  background:transparent
}

.language-switch button {
  width:30px;
  min-width:30px;
  height:30px;
  min-height:30px;
  padding:0;
  border:0;
  border-radius:999px;
  background:transparent;
  color:#526176;
  font:700 10px var(--font-body);
  letter-spacing:.04em;
  cursor:pointer;
  transition:background .25s ease,color .25s ease,box-shadow .25s ease
}

.language-switch button.is-active {
  background:var(--blue);
  color:#fff;
  box-shadow:0 4px 12px rgba(23,105,255,.24)
}

.theme-switch {
  display:inline-grid;
  grid-template-columns:repeat(2,1fr);
  gap:2px;
  padding:3px;
  border:1px solid #d6dfeb;
  border-radius:999px;
  background:rgba(255,255,255,.88);
  box-shadow:0 10px 28px rgba(7,20,38,.08)
}

.theme-switch button {
  display:grid;
  place-items:center;
  width:34px;
  min-width:34px;
  height:30px;
  min-height:30px;
  padding:5px;
  border:0;
  border-radius:999px;
  background:transparent;
  color:#526176;
  font-size:0;
  cursor:pointer;
  transition:background .25s ease,color .25s ease,box-shadow .25s ease
}

.theme-switch button.is-active {
  background:var(--blue);
  color:#fff;
  box-shadow:0 5px 14px rgba(23,105,255,.25)
}

.theme-switch button::before {
  content:"";
  display:block;
  width:16px;
  height:16px;
  margin:auto;
  background:currentColor;
  -webkit-mask-position:center;
  -webkit-mask-repeat:no-repeat;
  -webkit-mask-size:contain;
  mask-position:center;
  mask-repeat:no-repeat;
  mask-size:contain
}

.theme-switch button[data-theme-option="light"]::before {
  -webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='4' fill='none' stroke='black' stroke-width='2'/%3E%3Cpath d='M12 2v2M12 20v2M4.93 4.93l1.42 1.42M17.66 17.66l1.41 1.41M2 12h2M20 12h2M4.93 19.07l1.42-1.42M17.66 6.34l1.41-1.41' fill='none' stroke='black' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='4' fill='none' stroke='black' stroke-width='2'/%3E%3Cpath d='M12 2v2M12 20v2M4.93 4.93l1.42 1.42M17.66 17.66l1.41 1.41M2 12h2M20 12h2M4.93 19.07l1.42-1.42M17.66 6.34l1.41-1.41' fill='none' stroke='black' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E")
}

.theme-switch button[data-theme-option="dark"]::before {
  -webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 15.5A8.5 8.5 0 0 1 8.5 4 8.5 8.5 0 1 0 20 15.5Z' fill='black'/%3E%3C/svg%3E");
  mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 15.5A8.5 8.5 0 0 1 8.5 4 8.5 8.5 0 1 0 20 15.5Z' fill='black'/%3E%3C/svg%3E")
}

.delivery-hero {
  position:relative;
  padding:190px 0 100px;
  overflow:hidden;
  background:linear-gradient(145deg,#fbfcfe 0%,#f2f6fd 58%,#e8f0ff 100%)
}

.delivery-hero::before,
.delivery-hero::after {
  content:"";
  position:absolute;
  border:1px solid rgba(23,105,255,.15);
  border-radius:50%
}

.delivery-hero::before {
  top:-280px;
  right:-180px;
  width:680px;
  height:680px
}

.delivery-hero::after {
  right:18%;
  bottom:-320px;
  width:520px;
  height:520px
}

.delivery-hero-grid {
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);
  gap:90px;
  align-items:center
}

.hero-heading h1 {
  max-width:820px;
  margin:22px 0 0;
  font-size:clamp(52px,6vw,82px);
  font-weight:600;
  letter-spacing:-.065em
}

.hero-copy {
  padding-bottom:0
}

.hero-copy p {
  margin:0;
  color:var(--muted);
  font-size:17px
}

.hero-copy .hero-question {
  margin-bottom:22px;
  color:#1769ff;
  font-family:var(--font-display);
  font-size:22px;
  font-weight:600
}

.delivery-principle {
  padding:72px 0;
  background:var(--blue)
}

.principle-grid {
  display:grid;
  grid-template-columns:minmax(180px,.35fr) minmax(0,1fr);
  gap:80px;
  align-items:start
}

.delivery-principle .eyebrow {
  color:#d9e7ff
}

.delivery-principle h2 {
  max-width:900px;
  margin:0;
  color:#fff;
  font-size:clamp(30px,4vw,52px)
}

.model-groups-section {
  padding:82px 0;
  background:#f3f6fb
}

.section-intro {
  margin-bottom:38px
}

.section-intro h2 {
  max-width:760px;
  margin:0;
  font-size:clamp(36px,4.5vw,58px)
}

.title-number {
  color:var(--blue)
}

.model-groups {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px 24px;
  align-items:start
}

.model-group {
  width:100%
}

.model-group:nth-child(even) {
  margin-top:30px
}

.model-group {
  overflow:hidden;
  border:1px solid #d9e2ee;
  border-radius:28px;
  background:#fff;
  box-shadow:0 18px 52px rgba(7,20,38,.05)
}

.model-group-header {
  position:relative;
  min-height:142px;
  padding:28px 34px;
  background:#0a1b30
}

.model-number {
  position:absolute;
  top:26px;
  right:32px;
  color:#4d8dff;
  font-family:var(--font-display);
  font-size:14px;
  font-weight:700;
  letter-spacing:.12em
}

.model-group-header>p {
  padding-right:52px;
  margin:0 0 20px;
  color:#7eabff;
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase
}

.model-group-header h3 {
  max-width:460px;
  margin:0;
  color:#fff;
  font-size:clamp(26px,2.6vw,38px)
}

.model-list {
  padding:4px 34px 14px
}

.model-list article {
  display:grid;
  grid-template-columns:minmax(170px,.42fr) minmax(0,.58fr);
  gap:28px;
  align-items:start;
  padding:20px 0;
  border-bottom:1px solid #e2e8f0
}

.model-list article:last-child {
  border-bottom:0
}

.model-list h4 {
  margin:0;
  color:var(--navy);
  font-family:var(--font-display);
  font-size:18px;
  line-height:1.3
}

.model-list p {
  margin:0;
  color:var(--muted);
  font-size:14px;
  line-height:1.6
}

.delivery-setting {
  display:flex;
  flex-wrap:wrap;
  gap:9px;
  padding:0 38px 32px
}

.delivery-setting span {
  padding:8px 13px;
  border:1px solid #bfd0e6;
  border-radius:999px;
  color:#34506e;
  font-size:11px;
  font-weight:600;
  letter-spacing:.05em;
  text-transform:uppercase
}

.handover-section {
  padding:100px 0;
  background:#08182c
}

.handover-grid {
  display:grid;
  grid-template-columns:minmax(300px,.6fr) minmax(0,1fr);
  gap:90px
}

.handover-section .eyebrow {
  color:#7eabff
}

.handover-section h2 {
  max-width:520px;
  margin:26px 0 0;
  color:#fff;
  font-size:clamp(34px,4vw,52px)
}

.handover-list {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px
}

.handover-list span {
  display:flex;
  align-items:center;
  min-height:58px;
  padding:12px 18px;
  border:1px solid #29435f;
  border-radius:15px;
  background:#0d2037;
  color:#dce7f6;
  font-size:14px;
  transition:transform .22s ease,border-color .22s ease,background .22s ease,box-shadow .22s ease
}

.handover-list span:hover {
  border-color:#4d8dff;
  background:#143158;
  box-shadow:0 12px 28px rgba(0,0,0,.16);
  transform:translateY(-4px)
}

.assignment-section {
  padding:70px 0;
  background:#e9f1ff
}

.assignment-shell {
  padding:42px 58px 46px;
  border:1px solid #ccd9eb;
  border-radius:32px;
  background:#fff;
  box-shadow:0 20px 60px rgba(23,105,255,.07)
}

.assignment-shell>.eyebrow {
  justify-content:center;
  margin-bottom:30px
}

.assignment-carousel {
  max-width:900px;
  margin:auto;
  text-align:center
}

.assignment-controls {
  display:grid;
  grid-template-columns:52px minmax(0,1fr) 52px;
  gap:28px;
  align-items:center
}

.assignment-controls button {
  width:52px;
  height:52px;
  padding:0;
  border:0;
  background:transparent;
  color:var(--blue);
  font-family:var(--font-display);
  font-size:34px;
  cursor:pointer;
  transition:transform .2s ease,color .2s ease
}

.assignment-controls button:hover {
  color:#0755dd;
  transform:scale(1.12)
}

.assignment-controls button:focus-visible {
  outline:2px solid var(--blue);
  outline-offset:2px;
  border-radius:8px
}

.carousel-chevron {
  display:block;
  width:13px;
  height:13px;
  margin:auto;
  border-top:2px solid currentColor;
  border-right:2px solid currentColor
}

.carousel-chevron-left {
  transform:rotate(-135deg)
}

.carousel-chevron-right {
  transform:rotate(45deg)
}

.assignment-controls h2 {
  margin:0;
  font-size:clamp(32px,3.7vw,50px);
  transition:opacity .14s ease,transform .14s ease
}

.assignment-copy {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px 28px;
  width:calc(100% - 144px);
  max-width:760px;
  margin:20px auto 0;
  padding:0;
  list-style:none;
  color:var(--muted);
  font-size:15px;
  line-height:1.5;
  transition:opacity .14s ease,transform .14s ease
}

.assignment-copy li {
  position:relative;
  padding-left:16px;
  text-align:left
}

.assignment-copy li::before {
  position:absolute;
  top:.62em;
  left:0;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--blue);
  content:""
}

.assignment-carousel.is-changing .assignment-controls h2,
.assignment-carousel.is-changing .assignment-copy {
  opacity:0;
  transform:translateY(6px)
}

.choice-section {
  padding:72px 0;
  background:#fff
}

.choice-section .section-intro {
  margin-bottom:28px
}

.choice-section .section-intro .eyebrow {
  margin-bottom:14px
}

.choice-section .section-intro h2 {
  font-size:clamp(30px,3.5vw,46px)
}

.choice-list {
  border-top:1px solid #dbe3ed
}

.choice-list article {
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(260px,.45fr);
  gap:60px;
  align-items:center;
  min-height:70px;
  padding:14px 6px;
  border-bottom:1px solid #dbe3ed
}

.choice-list p {
  margin:0;
  color:var(--graphite);
  font-size:18px
}

.choice-list strong {
  color:var(--blue);
  font-family:var(--font-display);
  font-size:17px
}

.delivery-cta {
  padding:70px 0;
  background:var(--blue)
}

.delivery-cta-grid {
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(250px,.45fr);
  gap:72px;
  align-items:center
}

.delivery-cta .eyebrow {
  margin:0 0 16px;
  color:#d9e7ff
}

.delivery-cta h2 {
  margin:0;
  color:#fff;
  font-size:clamp(28px,3.2vw,42px)
}

.delivery-cta-grid>p:last-child {
  margin:0;
  color:#e2edff;
  font-size:14px
}

.site-footer {
  padding:54px 0 26px;
  background:#061120;
  color:#8da0ba
}

.footer-top {
  margin-bottom:32px
}

.footer-title {
  margin:0 0 3px;
  color:#fff;
  font-family:var(--font-display);
  font-weight:700
}

.footer-tagline {
  margin:0;
  font-size:12px
}

.footer-nav {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px 44px;
  max-width:560px;
  margin-bottom:34px;
  color:#c0cede;
  font-size:13px;
  font-weight:600
}

.footer-nav a:hover,
.footer-legal a:hover {
  color:#fff
}

.footer-bottom {
  display:flex;
  justify-content:space-between;
  gap:30px;
  padding-top:20px;
  border-top:1px solid #22324a;
  font-size:11px
}

.footer-legal {
  display:flex;
  gap:24px
}

html[data-theme="dark"] body {
  background:#071426;
  color:#c6d2e1
}

html[data-theme="dark"] .nav-wrap {
  border-color:#29435f;
  background:rgba(7,20,38,.94)
}

html[data-theme="dark"] .site-nav {
  color:#c5d1e0
}

html[data-theme="dark"] .theme-switch {
  border-color:#29435f;
  background:rgba(8,25,43,.9)
}

html[data-theme="dark"] .language-switch button,
html[data-theme="dark"] .theme-switch button {
  color:#aebed1
}

html[data-theme="dark"] .language-switch button.is-active,
html[data-theme="dark"] .theme-switch button.is-active {
  color:#fff
}

html[data-theme="dark"] .delivery-hero {
  background:linear-gradient(145deg,#071426 0%,#0a1c32 58%,#102844 100%)
}

html[data-theme="dark"] .delivery-hero h1,
html[data-theme="dark"] .section-intro h2 {
  color:#f5f8fc
}

html[data-theme="dark"] .hero-copy p {
  color:#aebed1
}

html[data-theme="dark"] .model-groups-section {
  background:#071426
}

html[data-theme="dark"] .model-group {
  border-color:#29435f;
  background:#08182c;
  box-shadow:none
}

html[data-theme="dark"] .model-group-header {
  background:#050f1e
}

html[data-theme="dark"] .model-list article {
  border-color:#29435f
}

html[data-theme="dark"] .model-list h4 {
  color:#f1f5fa
}

html[data-theme="dark"] .model-list p {
  color:#aebed1
}

html[data-theme="dark"] .delivery-setting span {
  border-color:#355372;
  color:#b8c9dd
}

html[data-theme="dark"] .assignment-section {
  background:#0a1b30
}

html[data-theme="dark"] .assignment-shell {
  border-color:#29435f;
  background:#071426;
  box-shadow:none
}

html[data-theme="dark"] .assignment-controls h2 {
  color:#f5f8fc
}

html[data-theme="dark"] .assignment-copy {
  color:#aebed1
}

html[data-theme="dark"] .choice-section {
  background:#071426
}

html[data-theme="dark"] .choice-list,
html[data-theme="dark"] .choice-list article {
  border-color:#29435f
}

html[data-theme="dark"] .choice-list p {
  color:#dce7f6
}

@media(max-width:1100px) {
  .site-nav {
    gap:15px
  }

  .site-nav>a:not(.nav-cta) {
    font-size:12px
  }

  .delivery-hero-grid {
    gap:54px
  }

  .model-list article {
    grid-template-columns:1fr;
    gap:10px
  }
}

@media(max-width:800px) {
  .site-header {
    inset:0 0 auto;
    padding:12px 0 0
  }

  .nav-wrap {
    position:relative;
    display:grid;
    grid-template-columns:1fr auto;
    grid-template-rows:auto auto;
    gap:8px 10px;
    height:148px;
    padding:12px 14px;
    border-radius:22px
  }

  .brand-logo {
    width:202px;
    height:72px
  }

  .mobile-nav-actions {
    display:contents
  }

  .mobile-project-cta {
    display:inline-flex;
    align-self:center;
    min-height:52px;
    padding:0 16px;
    font-size:14px;
    letter-spacing:normal
  }

  .mobile-nav-tools {
    grid-column:1 / -1;
    display:grid;
    grid-template-columns:1fr 48px 1fr;
    align-items:center
  }

  .language-switch-mobile {
    justify-self:start
  }

  .theme-switch-mobile {
    justify-self:end
  }

  .menu-toggle {
    position:relative;
    display:block;
    justify-self:center;
    width:44px;
    height:42px;
    padding:0;
    border:0;
    background:transparent;
    cursor:pointer
  }

  .menu-toggle span {
    position:absolute;
    left:8px;
    width:28px;
    height:2px;
    background:var(--navy);
    transition:transform .25s ease,opacity .2s ease,top .25s ease
  }

  html[data-theme="dark"] .menu-toggle span {
    background:#f1f5fa
  }

  .menu-toggle span:nth-child(1) {
    top:12px
  }

  .menu-toggle span:nth-child(2) {
    top:20px
  }

  .menu-toggle span:nth-child(3) {
    top:28px
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(1) {
    top:20px;
    transform:rotate(45deg)
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity:0
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    top:20px;
    transform:rotate(-45deg)
  }

  .site-nav {
    position:fixed;
    top:172px;
    right:16px;
    left:16px;
    z-index:99;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    max-height:calc(100vh - 188px);
    padding:18px 24px;
    overflow:auto;
    border:1px solid var(--line);
    border-radius:24px;
    background:#fff;
    box-shadow:0 24px 70px rgba(7,20,38,.18);
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transform:translateY(-12px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s
  }

  html[data-theme="dark"] .site-nav {
    border-color:#29435f;
    background:#0b1d34
  }

  .site-nav.open {
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    transform:none
  }

  .site-nav>a:not(.nav-cta) {
    padding:15px 4px;
    border-bottom:1px solid var(--line);
    font-size:17px
  }

  .site-nav>a:not(.nav-cta)::after,
  .site-nav .language-switch-desktop,
  .site-nav .theme-switch-desktop-nav,
  .site-nav .nav-cta {
    display:none
  }

  .delivery-hero {
    padding:206px 0 74px
  }

  .delivery-hero-grid,
  .principle-grid,
  .section-intro,
  .handover-grid,
  .delivery-cta-grid {
    grid-template-columns:1fr;
    gap:34px
  }

  .hero-heading h1 {
    font-size:clamp(43px,12vw,64px)
  }

  .model-groups {
    grid-template-columns:1fr
  }

  .model-group {
    width:100%;
    margin-top:0
  }

  .model-groups-section,
  .choice-section {
    padding:64px 0
  }

  .model-group-header {
    min-height:0
  }

  .model-list article {
    grid-template-columns:minmax(150px,.42fr) minmax(0,.58fr);
    gap:22px
  }

  .handover-section,
  .assignment-section {
    padding:62px 0
  }

  .assignment-shell {
    padding:38px 28px 42px
  }

  .assignment-controls {
    grid-template-columns:42px minmax(0,1fr) 42px;
    gap:10px
  }

  .assignment-controls button {
    width:42px;
    height:42px;
    font-size:29px
  }

  .assignment-controls h2 {
    font-size:34px
  }

  .assignment-copy {
    grid-template-columns:repeat(2,minmax(0,1fr));
    width:calc(100% - 96px)
  }

  .choice-list article {
    grid-template-columns:1fr;
    gap:8px;
    padding:16px 4px
  }

  .delivery-cta {
    padding:56px 0
  }

  .footer-nav {
    grid-template-columns:1fr 1fr
  }

  .footer-bottom {
    flex-direction:column
  }
}

@media(max-width:520px) {
  .container {
    width:min(100% - 28px,1180px)
  }

  .nav-wrap {
    width:calc(100% - 28px)
  }

  .brand-logo {
    width:190px
  }

  .mobile-project-cta {
    padding:0 13px;
    font-size:12px
  }

  .delivery-hero {
    padding:192px 0 62px
  }

  .hero-heading h1 {
    font-size:42px
  }

  .hero-copy p {
    font-size:15px
  }

  .hero-copy .hero-question {
    font-size:19px
  }

  .delivery-principle {
    padding:54px 0
  }

  .delivery-principle h2,
  .section-intro h2,
  .handover-section h2 {
    font-size:32px
  }

  .model-group {
    border-radius:22px
  }

  .model-group-header {
    padding:24px
  }

  .model-group-header>p {
    margin-bottom:16px
  }

  .model-group-header h3 {
    font-size:27px
  }

  .model-list {
    padding:4px 24px 18px
  }

  .model-list article {
    grid-template-columns:1fr;
    gap:8px;
    padding:18px 0
  }

  .delivery-setting {
    padding:0 24px 26px
  }

  .handover-list {
    grid-template-columns:1fr
  }

  .handover-list span {
    min-height:52px
  }

  .assignment-shell {
    padding:32px 16px 36px;
    border-radius:24px
  }

  .assignment-shell>.eyebrow {
    margin-bottom:24px;
    text-align:center
  }

  .assignment-controls {
    grid-template-columns:32px minmax(0,1fr) 32px;
    gap:4px
  }

  .assignment-controls button {
    width:32px;
    font-size:25px
  }

  .assignment-controls h2 {
    font-size:27px
  }

  .assignment-copy {
    grid-template-columns:1fr;
    width:calc(100% - 48px);
    margin-top:18px;
    font-size:15px
  }

  .choice-list p {
    font-size:16px
  }

  .delivery-cta h2 {
    font-size:26px
  }

  .footer-legal {
    flex-wrap:wrap;
    gap:14px 20px
  }
}

@media(prefers-reduced-motion:reduce) {
  .assignment-controls h2,
  .assignment-copy,
  .assignment-controls button {
    transition:none
  }
}