/* Automated offline backup case study — scoped so site layout styles stay intact */
.nd-cs-backup {
  --c-primary: #2257d3;
  --c-primary-end: #263b8c;
  --grad-brand: linear-gradient(140deg, #2257d3 0%, #263b8c 100%);
  --c-accent: #2257d3;
  --c-emphasis: #9dc3ff;
  --c-band-text: #cfdcf5;
  --c-tile: #edf2fe;
  --c-tile-border: #d5e0fa;
  --c-callout: rgba(220, 232, 250, .33);
  --c-ink: #242424;
  --c-title: #0f172b;
  --c-body: #45556c;
  --c-body-alt: #717182;
  --c-caption: #6b7280;
  --c-line: #e0e0e0;
  --c-rule: #dadada;
  --c-pill: #eaeaea;
  --c-pill-text: #2c2c2c;
  --c-surface: #ffffff;
  --c-surface-alt: #fbfbfb;
  --c-dark: #242424;
  --c-on-dark: #fafafa;
  --c-nav: #272727;
  --c-nav-text: #e8e8e8;
  --c-nav-active: #bebebe;
  --c-nav-active-text: #1d1d1d;
  --ff-head: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ff-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --max-w: 1280px;
  --nav-h: 53px;
  --cs-sticky-offset: 72px;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  font-family: var(--ff-body);
  color: var(--c-body);
  background: var(--c-surface);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.nd-cs-backup *,
.nd-cs-backup *::before,
.nd-cs-backup *::after { box-sizing: border-box; }

.nd-cs-backup h1,
.nd-cs-backup h2,
.nd-cs-backup h3,
.nd-cs-backup p,
.nd-cs-backup ul,
.nd-cs-backup ol,
.nd-cs-backup figure,
.nd-cs-backup dl,
.nd-cs-backup dd { margin: 0; padding: 0; }

.nd-cs-backup ul,
.nd-cs-backup ol { list-style: none; }

.nd-cs-backup img { display: block; max-width: 100%; }
.nd-cs-backup a { color: inherit; text-decoration: none; }
.nd-cs-backup button { font: inherit; color: inherit; background: none; border: 0; padding: 0; }
.nd-cs-backup :focus-visible { outline: 2px solid var(--c-emphasis); outline-offset: 3px; border-radius: 4px; }

.nd-cs-backup .visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.nd-cs-backup .skip-link { position: absolute; left: 16px; top: -60px; z-index: 100; padding: 10px 16px; background: var(--c-primary); color: #fff; font: 700 14px/22px var(--ff-body); border-radius: 4px; text-decoration: none; transition: top .2s; }
.nd-cs-backup .skip-link:focus { top: 12px; }

.nd-cs-backup .icon { position: relative; display: block; flex: none; width: var(--icon-size); height: var(--icon-size); }
.nd-cs-backup .icon--6 { --icon-size: 6px; }
.nd-cs-backup .icon--20 { --icon-size: 20px; }
.nd-cs-backup .icon--22 { --icon-size: 22px; }
.nd-cs-backup .icon__img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; max-width: none; }

.nd-cs-backup .cs-section { background: var(--bg, var(--c-surface)); }
.nd-cs-backup .cs-section__inner { max-width: var(--max-w); margin: 0 auto; padding: var(--pad-t, 64px) var(--pad-r, 68px) var(--pad-b, 64px) var(--pad-l, 68px); }
.nd-cs-backup .cs-section__title { font: 700 34px/44px var(--ff-head); letter-spacing: -.09px; color: var(--c-primary); }
.nd-cs-backup .grad-text { background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
@supports not ((-webkit-background-clip: text) or (background-clip: text)) {
  .nd-cs-backup .grad-text { color: var(--c-primary); }
}
.nd-cs-backup .cs-section__lead { font: 400 18px/28px var(--ff-body); color: var(--c-body-alt); }
.nd-cs-backup .cs-section[id],
.nd-cs-backup .cs-anchor { scroll-margin-top: calc(var(--cs-sticky-offset) + var(--nav-h) + 8px); }

.nd-cs-backup .cs-hero { background: var(--c-surface); overflow: hidden; }
.nd-cs-backup .cs-hero__inner { max-width: var(--max-w); margin: 0 auto; padding: 81px 57px 0 58px; }
.nd-cs-backup .cs-hero__title { max-width: 1029px; font: 500 34px/44px var(--ff-head); letter-spacing: -.09px; color: var(--c-ink); }
.nd-cs-backup .cs-hero__title strong { font-weight: 700; }
.nd-cs-backup .cs-hero__media { position: relative; margin-top: 37px; height: 488px; border-radius: 4px 4px 0 0; overflow: hidden; background: #161c19; }
.nd-cs-backup .cs-hero__img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
.nd-cs-backup .cs-hero__media::after { content: ""; position: absolute; z-index: 1; inset: 0; border-radius: inherit; box-shadow: inset -278px 0 41.3px 0 rgba(0, 0, 0, .77); pointer-events: none; }
.nd-cs-backup .cs-hero__metrics { position: absolute; z-index: 2; top: 60px; right: 32px; width: 205px; display: flex; flex-direction: column; gap: 16px; color: #fff; }
.nd-cs-backup .cs-hero__divider { width: 205px; height: 1px; background: rgba(255, 255, 255, .2); }

.nd-cs-backup .stat { display: flex; flex-direction: column; gap: 8px; min-height: 72px; justify-content: center; }
.nd-cs-backup .stat__value { font: 700 30px/40px var(--ff-head); font-variant-numeric: tabular-nums; }
.nd-cs-backup .stat__label { font: 500 14px/normal var(--ff-body); }

.nd-cs-backup.has-js .cs-hero__img { transform: scale(1.04); transition: transform 1.4s var(--ease-out); }
.nd-cs-backup.has-js .cs-hero__metrics > * { opacity: 0; transform: translateX(12px); transition: opacity .6s var(--ease-out), transform .6s var(--ease-out); }
.nd-cs-backup.has-js .cs-hero--loaded .cs-hero__img { transform: none; }
.nd-cs-backup.has-js .cs-hero--loaded .cs-hero__metrics > * { opacity: 1; transform: none; }
.nd-cs-backup .cs-hero__metrics > :nth-child(2) { transition-delay: .1s; }
.nd-cs-backup .cs-hero__metrics > :nth-child(3) { transition-delay: .16s; }
.nd-cs-backup .cs-hero__metrics > :nth-child(4) { transition-delay: .24s; }
.nd-cs-backup .cs-hero__metrics > :nth-child(5) { transition-delay: .3s; }
.nd-cs-backup .cs-hero__metrics > :nth-child(6) { transition-delay: .38s; }
.nd-cs-backup .cs-hero__metrics > :nth-child(7) { transition-delay: .44s; }

.nd-cs-backup .page-nav { position: sticky; top: var(--cs-sticky-offset); z-index: 40; background: var(--c-nav); transition: box-shadow .25s; }
.nd-cs-backup .page-nav--stuck { box-shadow: 0 6px 18px rgba(0, 0, 0, .18); }
.nd-cs-backup .page-nav__inner { max-width: var(--max-w); margin: 0 auto; height: var(--nav-h); display: flex; align-items: center; gap: 19px; padding: 0 25px; }
.nd-cs-backup .page-nav__label { flex: none; font: 700 14px/22px var(--ff-body); color: var(--c-nav-text); white-space: nowrap; }
.nd-cs-backup .page-nav__list { position: relative; display: flex; align-items: center; gap: 22px; min-width: 0; overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; padding: 4px 0; }
.nd-cs-backup .page-nav__list::-webkit-scrollbar { display: none; }
.nd-cs-backup .page-nav__item { flex: none; }
.nd-cs-backup .page-nav__link { position: relative; z-index: 1; display: inline-flex; flex-direction: column; align-items: center; padding: 4px 10px 5px; border-radius: 4px; font: 500 14px/22px var(--ff-body); color: var(--c-nav-text); text-decoration: none; white-space: nowrap; transition: color .25s; }
.nd-cs-backup .page-nav__link::after { content: attr(data-label); height: 0; overflow: hidden; visibility: hidden; font-weight: 700; pointer-events: none; }
.nd-cs-backup .page-nav__link:hover { color: #fff; }
.nd-cs-backup .page-nav__link--active { font-weight: 700; color: var(--c-nav-active-text); }
.nd-cs-backup .page-nav__link--active:hover { color: var(--c-nav-active-text); }
.nd-cs-backup .page-nav__indicator { position: absolute; left: 0; top: 4px; height: 31px; width: 0; border-radius: 4px; background: var(--c-nav-active); z-index: 0; pointer-events: none; opacity: 0; }
.nd-cs-backup .page-nav__indicator--ready { opacity: 1; transition: transform .35s var(--ease-out), width .35s var(--ease-out); }
.nd-cs-backup .page-nav__share { flex: none; margin-left: auto; display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; padding: 0; border: 0; border-radius: 6px; background: transparent; cursor: pointer; transition: background-color .2s; }
.nd-cs-backup .page-nav__share:hover { background: rgba(255, 255, 255, .1); }

.nd-cs-backup .share-icon { position: relative; display: block; width: 20px; height: 20px; overflow: hidden; }
.nd-cs-backup .share-icon__part,
.nd-cs-backup .share-icon__bleed { position: absolute; }
.nd-cs-backup .share-icon__part--a { inset: 8.33% 12.5% 66.67% 62.5%; }
.nd-cs-backup .share-icon__part--b { inset: 37.5% 62.5% 37.5% 12.5%; }
.nd-cs-backup .share-icon__part--c { inset: 66.67% 12.5% 8.33% 62.5%; }
.nd-cs-backup .share-icon__part--d { inset: 56.29% 35.75% 27.13% 35.79%; }
.nd-cs-backup .share-icon__part--e { inset: 27.13% 35.79% 56.29% 35.79%; }
.nd-cs-backup .share-icon__bleed--node { inset: -16.67%; }
.nd-cs-backup .share-icon__bleed--d { inset: -25.13% -14.64%; }
.nd-cs-backup .share-icon__bleed--e { inset: -25.13% -14.67%; }

.nd-cs-backup .cs-section--intro { --pad-t: 72px; --pad-b: 72px; --pad-l: 68px; --pad-r: 67px; }
.nd-cs-backup .intro { display: grid; grid-template-columns: 370px minmax(0, 1fr); column-gap: 108px; align-items: start; }
.nd-cs-backup .intro__text strong { font-weight: 600; color: var(--c-ink); }
.nd-cs-backup .intro__copy { display: flex; flex-direction: column; gap: 17px; }
.nd-cs-backup .intro__body { display: flex; flex-direction: column; gap: 28px; }
.nd-cs-backup .intro__text { font: 400 18px/28px var(--ff-body); color: var(--c-body-alt); }

.nd-cs-backup .tech-stack { display: flex; flex-direction: column; gap: 22px; }
.nd-cs-backup .tech-stack__heading { font: 700 14px/1.2 var(--ff-body); letter-spacing: .4px; color: var(--c-body-alt); }
.nd-cs-backup .tech-stack__list { display: flex; flex-direction: column; gap: 22px; }
.nd-cs-backup .tech-stack__row { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.nd-cs-backup .tech-stack__pair { display: flex; gap: 16px; }
.nd-cs-backup .tech-stack__pair .tech-stack__row { flex: 1 1 0; }
.nd-cs-backup .tech-stack__term { font: 500 12px/1.2 var(--ff-body); color: var(--c-body-alt); }
.nd-cs-backup .tech-stack__value { margin: 0; padding: 8px 17px; border-radius: 40px; background: var(--c-pill); font: 500 12px/18px var(--ff-body); color: var(--c-pill-text); }

.nd-cs-backup .cs-section--challenges { --bg: var(--c-surface-alt); --pad-t: 74px; --pad-b: 74px; }
.nd-cs-backup .challenges__head { display: flex; flex-direction: column; gap: 14px; }
.nd-cs-backup .challenges__title { font: 700 30px/40px var(--ff-head); color: var(--c-primary); }
.nd-cs-backup .challenges__list { margin-top: 48px; }
.nd-cs-backup .challenges__item { padding: 32px 0; border-top: 1px solid var(--c-line); }
.nd-cs-backup .challenges__item:first-child { border-top: 0; padding-top: 0; }
.nd-cs-backup .challenges__row-head { display: flex; align-items: center; gap: 38px; }
.nd-cs-backup .challenges__tile { flex: none; display: flex; align-items: center; justify-content: center; width: 42px; height: 42px; border: 1px solid var(--c-tile-border); border-radius: 6px; background: var(--c-tile); transition: border-color .3s, box-shadow .3s; }
.nd-cs-backup .challenges__item:hover .challenges__tile { border-color: #b9cdf5; box-shadow: 0 4px 14px rgba(34, 87, 211, .16); }
.nd-cs-backup .challenges__subject { font: 600 22px/30px var(--ff-body); color: var(--c-title); }
.nd-cs-backup .challenges__body { padding-left: 80px; margin-top: 14px; }
.nd-cs-backup .rich__text { font: 400 18px/28px var(--ff-body); color: var(--c-body-alt); margin-bottom: 8px; }
.nd-cs-backup .rich__list { list-style: disc; padding-left: 27px; }
.nd-cs-backup .rich__list li { font: 400 18px/28px var(--ff-body); color: var(--c-body-alt); }

.nd-cs-backup .cs-section--solution { --pad-t: 64px; --pad-b: 72px; --pad-l: 65px; --pad-r: 73px; }
.nd-cs-backup .solution__intro { display: flex; flex-direction: column; gap: 10px; max-width: 1122px; margin-top: 16px; color: var(--c-body); }
.nd-cs-backup .solution__intro p { font: 400 18px/28px var(--ff-body); color: var(--c-body); }
.nd-cs-backup .solution__intro strong { font-weight: 600; }
.nd-cs-backup .solution__intro-list { list-style: disc; padding-left: 27px; }
.nd-cs-backup .solution__intro-list li { font: 600 18px/28px var(--ff-body); color: var(--c-body); }

.nd-cs-backup .tasks { margin-top: 56px; }
.nd-cs-backup .task { display: grid; grid-template-columns: 330px minmax(0, 742px); gap: 70px; align-items: start; padding: 44px 0; border-top: 1px solid var(--c-rule); }
.nd-cs-backup .task:first-child { border-top: 0; padding-top: 0; }
.nd-cs-backup .task__label { display: flex; flex-direction: column; }
.nd-cs-backup .task__number { font: 700 34px/44px var(--ff-head); letter-spacing: -.09px; color: var(--c-emphasis); }
.nd-cs-backup .task__title { margin-top: 6px; font: 700 24px/32px var(--ff-head); letter-spacing: -.2px; color: var(--c-ink); }
.nd-cs-backup .task__bar { display: block; width: 32px; height: 3px; margin-top: 30px; border-radius: 2px; background: var(--c-emphasis); transform-origin: left; }
.nd-cs-backup .task__blocks { display: flex; flex-direction: column; gap: 24px; }
.nd-cs-backup .block__eyebrow { margin-bottom: 8px; font: 600 18px/29px var(--ff-body); letter-spacing: 1px; color: var(--c-body); }
.nd-cs-backup .block__note { margin-top: 8px; font: 400 18px/29px var(--ff-body); color: var(--c-body); }
.nd-cs-backup .block__note strong { font-weight: 600; }
.nd-cs-backup .block__list { list-style: disc; padding-left: 27px; }
.nd-cs-backup .block__list li { font: 400 18px/29px var(--ff-body); color: var(--c-body); }
.nd-cs-backup .callout { position: relative; padding: 18px 24px; border-radius: 10px; overflow: hidden; background: var(--c-callout); }
.nd-cs-backup .callout__accent { position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--grad-brand); transform-origin: top; }
.nd-cs-backup .callout__text { font: 500 18px/29px var(--ff-body); color: var(--c-body); }
.nd-cs-backup .callout__text strong { font-weight: 600; }
.nd-cs-backup .task__note { font: 400 18px/29px var(--ff-body); color: var(--c-body); }
.nd-cs-backup .task__note strong { font-weight: 600; }
.nd-cs-backup .solution__outro { max-width: 1122px; margin-top: 56px; font: 400 18px/28px var(--ff-body); color: var(--c-body); }

.nd-cs-backup .figure { margin-top: 40px; --fig-radius: 12px; }
.nd-cs-backup .figure__frame { display: block; width: 100%; padding: 0; border: 0; background: none; cursor: zoom-in; border-radius: var(--fig-radius, 0); overflow: hidden; transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out); }
.nd-cs-backup .figure__frame:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(37, 116, 79, .14); }
.nd-cs-backup .figure__img { width: 100%; height: auto; border-radius: inherit; }
.nd-cs-backup .figure__caption { margin-top: 18px; font: 400 14px/22px var(--ff-body); color: var(--c-caption); text-align: center; }

.nd-cs-backup .lightbox { position: fixed; inset: 0; z-index: 1100; display: none; align-items: center; justify-content: center; padding: 32px; background: rgba(15, 23, 43, .86); }
.nd-cs-backup .lightbox--open { display: flex; }
.nd-cs-backup .lightbox__img { max-width: 100%; max-height: 100%; width: auto; height: auto; border-radius: 8px; background: #fff; }
.nd-cs-backup .lightbox__close { position: absolute; top: 18px; right: 18px; width: 44px; height: 44px; border: 0; border-radius: 50%; background: rgba(255, 255, 255, .14); color: #fff; font-size: 22px; line-height: 1; cursor: pointer; transition: background-color .2s; }
.nd-cs-backup .lightbox__close:hover { background: rgba(255, 255, 255, .26); }

.nd-cs-backup .cs-section--architecture { --pad-t: 72px; --pad-b: 80px; }
.nd-cs-backup .architecture__lead { max-width: 900px; margin-top: 64px; font: 400 18px/28px var(--ff-body); color: var(--c-body); }
.nd-cs-backup .band { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); margin-top: 32px; border-radius: 16px; background: var(--grad-brand); overflow: hidden; }
.nd-cs-backup .band__item { position: relative; padding: 47px 24px 46px 40px; }
.nd-cs-backup .band__item::before { content: ""; position: absolute; left: 0; top: 47px; bottom: 46px; width: 1px; background: rgba(255, 255, 255, .14); }
.nd-cs-backup .band__item:first-child::before { display: none; }
.nd-cs-backup .band__number { display: block; font: 600 15px/20px var(--ff-body); color: var(--c-emphasis); }
.nd-cs-backup .band__icon { display: block; margin-top: 11px; width: var(--band-icon, 28px); height: var(--band-icon, 28px); }
.nd-cs-backup .band__title { margin-top: 13px; font: 700 18px/25px var(--ff-head); color: #fff; }
.nd-cs-backup .band__text { margin-top: 8px; font: 400 16px/24px var(--ff-body); color: var(--c-band-text); }
.nd-cs-backup .architecture__statement { max-width: 900px; margin-top: 40px; font: 700 28px/40px var(--ff-head); letter-spacing: -.35px; color: var(--c-ink); }

.nd-cs-backup .cs-section--technology { --pad-t: 74px; --pad-b: 78px; }
.nd-cs-backup .tech { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 40px; row-gap: 48px; margin-top: 40px; }
.nd-cs-backup .tech__eyebrow { font: 600 14px/18px var(--ff-body); letter-spacing: 1.3px; color: var(--c-accent); }
.nd-cs-backup .tech__list { margin-top: 16px; }
.nd-cs-backup .tech__item { display: flex; align-items: flex-start; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--c-line); }
.nd-cs-backup .tech__item:last-child { border-bottom: 0; }
.nd-cs-backup .tech__bullet { margin-top: 9px; }
.nd-cs-backup .tech__text { font: 500 16px/25px var(--ff-body); color: var(--c-ink); }

.nd-cs-backup .cs-section--impact { --bg: var(--c-dark); --pad-t: 64px; --pad-b: 74px; --pad-l: 70px; --pad-r: 70px; }
.nd-cs-backup .impact__title { font: 700 34px/44px var(--ff-head); letter-spacing: -.09px; color: var(--c-on-dark); }
.nd-cs-backup .impact-table { margin-top: 40px; }
.nd-cs-backup .impact-table__row { display: grid; grid-template-columns: 350px minmax(0, 1fr); gap: 0; padding: 18px 0; border-bottom: 1px solid rgba(255, 255, 255, .16); }
.nd-cs-backup .impact-table__row--head { padding: 0 0 18px; }
.nd-cs-backup .impact-table__key { font: 700 18px/26px var(--ff-head); letter-spacing: -.15px; color: var(--c-on-dark); }
.nd-cs-backup .impact-table__value { font: 400 16px/23px var(--ff-body); color: #fff; opacity: .8; }
.nd-cs-backup .impact-table__col-head { font: 600 15px/23px var(--ff-body); letter-spacing: 1.2px; color: #fff; opacity: .8; }
.nd-cs-backup .impact__outcomes-title { margin-top: 64px; font: 700 26px/34px var(--ff-head); letter-spacing: -.15px; color: var(--c-on-dark); }
.nd-cs-backup .impact__outcomes-lead { margin-top: 10px; font: 400 16px/23px var(--ff-body); color: #fff; opacity: .8; }
.nd-cs-backup .metrics { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 24px; margin-top: 48px; }
.nd-cs-backup .metric { padding-left: 24px; border-left: 1px solid rgba(255, 255, 255, .18); }
.nd-cs-backup .metric:first-child { padding-left: 0; border-left: 0; }
.nd-cs-backup .metric__value { display: block; font: 700 48px/58px var(--ff-head); letter-spacing: -1.4px; color: #fff; font-variant-numeric: tabular-nums; white-space: nowrap; }
.nd-cs-backup .metric__value--compact { font-size: 40px; letter-spacing: -1.2px; }
.nd-cs-backup .metric__label { margin-top: 8px; font: 500 15.5px/24px var(--ff-body); color: var(--c-emphasis); }

.nd-cs-backup .cs-section--value { --pad-t: 72px; --pad-b: 72px; }
.nd-cs-backup .value { display: grid; grid-template-columns: 340px minmax(0, 748px); column-gap: 56px; align-items: start; }
.nd-cs-backup .value__intro { display: flex; flex-direction: column; gap: 24px; }
.nd-cs-backup .value__copy { display: flex; flex-direction: column; gap: 24px; font: 400 15px/24px var(--ff-body); color: var(--c-body); }
.nd-cs-backup .value__list { margin-top: 0; }
.nd-cs-backup .value__item { display: grid; grid-template-columns: 60px minmax(0, 1fr); align-items: center; gap: 0; padding: 19px 0; border-top: 1px solid var(--c-line); }
.nd-cs-backup .value__item:last-child { border-bottom: 1px solid var(--c-line); }
.nd-cs-backup .value__number { font: 400 24px/34px var(--ff-body); color: var(--c-primary); }
.nd-cs-backup .value__text { font: 600 16px/26px var(--ff-body); color: var(--c-ink); }

.nd-cs-backup .cs-section--ahead { --pad-t: 64px; --pad-b: 80px; --pad-l: 77px; --pad-r: 77px; }
.nd-cs-backup .ahead__lead { margin-top: 20px; max-width: 1126px; font: 400 18px/28px var(--ff-body); color: var(--c-body); }
.nd-cs-backup .ahead__list { columns: 2; column-gap: 60px; margin-top: 48px; }
.nd-cs-backup .ahead__item { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 28px; break-inside: avoid; -webkit-column-break-inside: avoid; }
.nd-cs-backup .ahead__item:last-child { margin-bottom: 0; }
.nd-cs-backup .ahead__text { max-width: 500px; font: 500 16.5px/25px var(--ff-body); color: var(--c-ink); }
.nd-cs-backup .ahead__close { margin-top: 48px; max-width: 1126px; font: 400 18px/28px var(--ff-body); color: var(--c-body-alt); }
.nd-cs-backup .ahead__pledge { display: block; margin-top: 28px; font: 500 italic 20px/28px var(--ff-body); color: #1c1c1c; }

.nd-cs-backup .cta { position: relative; overflow: hidden; background: var(--grad-brand); }
.nd-cs-backup .cta__inner { position: relative; max-width: var(--max-w); min-height: 396px; margin: 0 auto; padding: 121px 24px 96px; display: flex; flex-direction: column; align-items: center; justify-content: flex-start; gap: 26px; text-align: center; }
.nd-cs-backup .cta__title { max-width: 775px; font: 600 30px/1.3 var(--ff-body); color: #fff; }
.nd-cs-backup .cta__button { display: inline-flex; align-items: center; justify-content: center; gap: 5px; min-width: 172px; height: 56px; padding: 0 24px; border-radius: 14px; background: #fff; font: 700 16px/24px var(--ff-body); text-decoration: none; transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out); }
.nd-cs-backup .cta__button-label { background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
@supports not ((-webkit-background-clip: text) or (background-clip: text)) {
  .nd-cs-backup .cta__button-label { color: var(--c-primary); }
}
.nd-cs-backup .cta__button:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0, 6, 35, .32); }
.nd-cs-backup .cta__button:focus-visible { outline: 3px solid #fff; outline-offset: 4px; }
.nd-cs-backup .cta__button .icon { transition: transform .25s var(--ease-out); }
.nd-cs-backup .cta__button:hover .icon { transform: translateX(4px); }

.nd-cs-backup .toast { position: fixed; left: 50%; bottom: 24px; z-index: 1100; padding: 10px 18px; border-radius: 8px; background: var(--c-ink); color: #fff; font: 500 14px/22px var(--ff-body); box-shadow: 0 10px 30px rgba(0, 0, 0, .25); transform: translate(-50%, 16px); opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s var(--ease-out); }
.nd-cs-backup .toast--visible { opacity: 1; transform: translate(-50%, 0); }

.nd-cs-backup.has-js [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); transition-delay: var(--reveal-delay, 0ms); }
.nd-cs-backup.has-js [data-reveal].is-visible { opacity: 1; transform: none; }
.nd-cs-backup.has-js .task__bar { transform: scaleX(0); transition: transform .7s var(--ease-out) .25s; }
.nd-cs-backup.has-js .is-visible .task__bar { transform: scaleX(1); }
.nd-cs-backup.has-js .callout__accent { transform: scaleY(0); transition: transform .7s var(--ease-out) .3s; }
.nd-cs-backup.has-js .is-visible .callout__accent { transform: scaleY(1); }

@media (max-width: 1240px) {
  .nd-cs-backup .cs-hero__inner { padding-left: 40px; padding-right: 40px; }
  .nd-cs-backup .cs-section { --pad-l: 40px; --pad-r: 40px; }
  .nd-cs-backup .cta__inner { padding-left: 40px; padding-right: 40px; }
  .nd-cs-backup .task { grid-template-columns: 280px minmax(0, 1fr); gap: 48px; }
  .nd-cs-backup .band { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .nd-cs-backup .band__item:nth-child(3n+1)::before { display: none; }
  .nd-cs-backup .band__item:nth-child(n+4) { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .14); }
  .nd-cs-backup .metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 36px; }
  .nd-cs-backup .metric:nth-child(3n+1) { padding-left: 0; border-left: 0; }
}
@media (max-width: 960px) {
  .nd-cs-backup .intro { grid-template-columns: 1fr; row-gap: 44px; }
  .nd-cs-backup .intro__copy { order: -1; }
  .nd-cs-backup .cs-hero__media { height: 420px; }
  .nd-cs-backup .task { grid-template-columns: 1fr; gap: 22px; }
  .nd-cs-backup .task__bar { margin-top: 18px; }
  .nd-cs-backup .value { grid-template-columns: 1fr; row-gap: 36px; }
  .nd-cs-backup .tech { grid-template-columns: 1fr; row-gap: 40px; }
  .nd-cs-backup .band { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nd-cs-backup .band__item:nth-child(3n+1)::before { display: block; }
  .nd-cs-backup .band__item:nth-child(odd)::before { display: none; }
  .nd-cs-backup .band__item:nth-child(n+3) { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .14); }
  .nd-cs-backup .impact-table__row { grid-template-columns: 260px minmax(0, 1fr); }
  .nd-cs-backup .cta__title { font-size: 26px; }
}
@media (max-width: 768px) {
  .nd-cs-backup .page-nav__label { display: none; }
  .nd-cs-backup .page-nav__inner { padding: 0 8px 0 12px; gap: 8px; }
  .nd-cs-backup .page-nav__list { gap: 6px; mask-image: linear-gradient(90deg, #000 88%, transparent); -webkit-mask-image: linear-gradient(90deg, #000 88%, transparent); }
  .nd-cs-backup .cs-hero__inner { padding: 40px 20px 0; }
  .nd-cs-backup .cs-hero__title { font-size: 26px; line-height: 34px; }
  .nd-cs-backup .cs-hero__media { margin-top: 28px; height: auto; }
  .nd-cs-backup .cs-hero__img { height: 260px; }
  .nd-cs-backup .cs-hero__media::after { display: none; }
  .nd-cs-backup .cs-hero__metrics { position: static; width: auto; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; padding: 22px 20px; background: var(--c-ink); }
  .nd-cs-backup .cs-hero__divider { display: none; }
  .nd-cs-backup .stat { min-height: 0; }
  .nd-cs-backup .stat__value { font-size: 24px; line-height: 32px; }
  .nd-cs-backup .stat__label { font-size: 13px; line-height: 19px; }
  .nd-cs-backup .cs-section { --pad-t: 48px !important; --pad-b: 48px !important; --pad-l: 20px; --pad-r: 20px; }
  .nd-cs-backup .cs-section__title,
  .nd-cs-backup .impact__title { font-size: 26px; line-height: 34px; }
  .nd-cs-backup .challenges__title { font-size: 24px; line-height: 32px; }
  .nd-cs-backup .tech-stack__pair { flex-direction: column; gap: 22px; }
  .nd-cs-backup .cs-section__lead,
  .nd-cs-backup .intro__text,
  .nd-cs-backup .rich__text,
  .nd-cs-backup .rich__list li,
  .nd-cs-backup .block__list li,
  .nd-cs-backup .task__note,
  .nd-cs-backup .callout__text,
  .nd-cs-backup .solution__intro p,
  .nd-cs-backup .solution__intro-list li,
  .nd-cs-backup .solution__outro,
  .nd-cs-backup .architecture__lead,
  .nd-cs-backup .ahead__lead { font-size: 16px; line-height: 26px; }
  .nd-cs-backup .challenges__row-head { gap: 16px; align-items: flex-start; }
  .nd-cs-backup .challenges__subject { font-size: 19px; line-height: 27px; }
  .nd-cs-backup .challenges__body { padding-left: 0; }
  .nd-cs-backup .task__number { font-size: 28px; line-height: 36px; }
  .nd-cs-backup .task__title { font-size: 20px; line-height: 28px; }
  .nd-cs-backup .band { grid-template-columns: 1fr; }
  .nd-cs-backup .band__item::before { display: none !important; }
  .nd-cs-backup .band__item { padding: 28px 24px; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .14); }
  .nd-cs-backup .band__item:first-child { box-shadow: none; }
  .nd-cs-backup .impact-table__row { grid-template-columns: 1fr; gap: 6px; padding: 16px 0; }
  .nd-cs-backup .impact-table__row--head { display: none; }
  .nd-cs-backup .metrics { grid-template-columns: 1fr; row-gap: 28px; }
  .nd-cs-backup .metric { padding-left: 0; border-left: 0; }
  .nd-cs-backup .metric__value { font-size: 38px; line-height: 48px; }
  .nd-cs-backup .value__item { grid-template-columns: 48px minmax(0, 1fr); }
  .nd-cs-backup .ahead__list { columns: 1; }
  .nd-cs-backup .architecture__statement { font-size: 22px; line-height: 32px; }
  .nd-cs-backup .cta__inner { min-height: 0; padding: 56px 20px; }
  .nd-cs-backup .cta__title { font-size: 22px; }
  .nd-cs-backup .figure { margin-top: 28px; }
  .nd-cs-backup .lightbox { padding: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .nd-cs-backup.has-js [data-reveal],
  .nd-cs-backup.has-js .cs-hero__metrics > * { opacity: 1; transform: none; }
  .nd-cs-backup.has-js .cs-hero__img,
  .nd-cs-backup.has-js .task__bar,
  .nd-cs-backup.has-js .callout__accent { transform: none; }
}
@media print {
  .nd-cs-backup .page-nav,
  .nd-cs-backup .toast,
  .nd-cs-backup .skip-link,
  .nd-cs-backup .lightbox { display: none; }
  .nd-cs-backup.has-js [data-reveal] { opacity: 1; transform: none; }
  .nd-cs-backup .cta,
  .nd-cs-backup .cs-section--impact { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}