/* Shared starter shell for focused R&D subpages.
 * Page-specific sections can be added without changing the shared header,
 * typography tokens or footer structure.
 */
@font-face {
  font-family: "Chiron Sung HK Home";
  src: url("../fonts/chiron-sung-hk/chiron-sung-hk-site-200-900.woff2") format("woff2");
  font-style: normal;
  font-weight: 200 900;
  font-display: block;
}

/* Licensed static Web fonts. Existing family alias retained for compatibility. */
@font-face {
  font-family: "Serim Test Tiempos Headline";
  src: url("../fonts/tiempos-headline/tiempos-headline-regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Serim Test Tiempos Headline";
  src: url("../fonts/tiempos-headline/tiempos-headline-medium.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

body.rnd-section-page {
  --rnd-section-page-bg: #f2f7f7;
  --serim-font-body: var(--vf-font-sans);
  --serim-font-editorial: "Chiron Sung HK Home", "Noto Serif CJK KR", "Nanum Myeongjo", serif;
  --serim-font-editorial-weight: 500;

  padding-top: 0;
  background: var(--rnd-section-page-bg);
  color: var(--serim-text-primary);
  font-family: var(--serim-font-body);
}

html:lang(en) body.rnd-section-page {
  --serim-font-editorial: "Serim Test Tiempos Headline", Georgia, "Times New Roman", serif;
  --serim-font-editorial-weight: 400;
}

.rnd-section-main {
  width: 100%;
  min-height: 100svh;
  overflow: clip;
}

.rnd-section-hero {
  --rnd-process-hero-height: 100svh;
  --rnd-process-media-y: 0%;

  position: relative;
  isolation: isolate;
  display: block;
  width: 100%;
  height: var(--rnd-process-hero-height);
  min-height: 100svh;
  overflow: clip;
  background: #191818;
  color: #fff;
}

.rnd-process-hero__clip {
  position: absolute;
  inset: 0;
  overflow: clip;
  pointer-events: none;
}

.rnd-process-hero__media {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--rnd-process-hero-height);
  background: #191818 url("../images/rnd-process/serim-rnd-process-hero-poster.jpg?v=20261103-four-stage-montage") 58% 50% / cover no-repeat;
  transform: translate3d(0, var(--rnd-process-media-y), 0);
  transform-origin: center;
  will-change: transform;
}

.rnd-process-hero__video {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  opacity: 0;
  object-fit: cover;
  object-position: 58% 50%;
  transition: opacity 400ms linear;
}

.rnd-process-hero__video.is-ready {
  opacity: 1;
}

.rnd-process-hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(to left, transparent 0%, rgb(0 0 0 / 60%) 100%);
}

.rnd-process-hero__frame {
  position: relative;
  z-index: 1;
  height: 100%;
  min-height: 100%;
  color: var(--serim-text-primary-on-dark);
}

/* Shared frame owns the nav spacer, page gutters and container width.
 * This flex layout only keeps the scroll control near the hero's bottom. */
.rnd-process-hero__gutters {
  display: flex;
  flex: 1 1 auto;
  min-height: 0;
}

.rnd-process-hero__container {
  display: flex;
  min-height: 0;
  flex-direction: column;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 60px;
}

.rnd-section-hero .serim-hero-intro-lg {
  width: 100%;
  max-width: 100%;
}

.rnd-process-hero__label {
  color: var(--serim-text-primary-on-dark);
  opacity: 0;
  transform: translateX(20px);
  animation: rnd-process-copy-in 400ms cubic-bezier(.19, 1, .22, 1) 70ms forwards;
}

.rnd-process-hero .serim-hero-intro-lg__title {
  color: var(--serim-text-primary-on-dark);
}

.rnd-process-hero__title-line {
  display: block;
}

.rnd-process-hero__title-word {
  display: inline-flex;
  opacity: 0;
  transform: translateX(20px);
  animation: rnd-process-title-word-in 400ms cubic-bezier(.19, 1, .22, 1) forwards;
  animation-delay: calc(140ms + (var(--rnd-word-index, 0) * 70ms));
}

.rnd-process-hero .serim-hero-intro-lg__description {
  color: var(--serim-text-primary-on-dark);
  opacity: 0;
  transform: translateX(20px);
  animation: rnd-process-copy-in 400ms cubic-bezier(.19, 1, .22, 1) 350ms forwards;
}

/* Retain this page's existing mobile description size. Desktop uses the shared scale. */
@media (max-width: 767px) {
  .rnd-process-hero .serim-hero-intro-lg__description {
    font-size: 18px;
  }
}

.rnd-process-hero__scroll {
  position: relative;
  display: inline-flex;
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 50%;
  opacity: 0;
  background: #153cd9;
  color: #fff;
  cursor: pointer;
  transform: translateX(20px);
  -webkit-tap-highlight-color: transparent;
  animation: rnd-process-copy-in 400ms cubic-bezier(.19, 1, .22, 1) 560ms forwards;
}

.rnd-process-hero__scroll svg {
  display: block;
  width: 24px;
  height: 24px;
}

.rnd-process-hero__scroll:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 4px;
}

.rnd-process-content-anchor {
  width: 100%;
  height: 0;
  outline: 0;
}

@keyframes rnd-process-title-word-in {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes rnd-process-copy-in {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

body.rnd-section-page .vf-section-label {
  color: rgb(255 255 255 / 90%);
}

body.rnd-section-page :is(a, button, input, select, textarea):focus-visible {
  outline-color: var(--serim-text-link-focus-soft);
}

/* The full-width shared header intentionally stays neutral on ordinary
 * subpages. This page alone uses its white-on-video state until scrolling or
 * opening an overlay restores the standard white surface. */
body.rnd-section-page
  .vfr-site-nav[data-vfr-surface="full-width"][data-vfr-variant="transparent-top"]:not(.is-scrolled):not(.is-drawer-open):not([data-state~="menu-open"]) {
  --vfr-surface-ink: #fff;
  --vfr-mobile-control-ink: #fff;
}

body.rnd-section-page
  .vfr-site-nav[data-vfr-surface="full-width"][data-vfr-variant="transparent-top"]:not(.is-scrolled):not(.is-drawer-open):not([data-state~="menu-open"])
  .vfr-logo-light {
  display: none;
}

body.rnd-section-page
  .vfr-site-nav[data-vfr-surface="full-width"][data-vfr-variant="transparent-top"]:not(.is-scrolled):not(.is-drawer-open):not([data-state~="menu-open"])
  .vfr-logo-dark {
  display: block;
}

body.rnd-section-page
  .vfr-site-nav[data-vfr-surface="full-width"][data-vfr-variant="transparent-top"]:not(.is-scrolled):not(.is-drawer-open):not([data-state~="menu-open"])
  .vfr-nav-link {
  color: rgb(255 255 255 / 78%);
}

body.rnd-section-page
  .vfr-site-nav[data-vfr-surface="full-width"][data-vfr-variant="transparent-top"]:not(.is-scrolled):not(.is-drawer-open):not([data-state~="menu-open"])
  .vfr-nav-link:is(:hover, :focus-visible, [aria-expanded="true"], [aria-current="page"]) {
  color: #fff;
}

body.rnd-section-page
  .vfr-site-nav[data-vfr-surface="full-width"][data-vfr-variant="transparent-top"]:not(.is-scrolled):not(.is-drawer-open):not([data-state~="menu-open"])
  :is(.vfr-language-button, .vfr-nav-burger) {
  color: #fff;
}

body.rnd-section-page
  .vfr-site-nav[data-vfr-surface="full-width"][data-vfr-variant="transparent-top"]:not(.is-scrolled):not(.is-drawer-open):not([data-state~="menu-open"])
  .vfr-language-button {
  background: rgb(255 255 255 / 10%);
  box-shadow: inset 0 0 0 1px rgb(255 255 255 / 24%);
}

body.rnd-section-page
  .vfr-site-nav[data-vfr-surface="full-width"][data-vfr-variant="transparent-top"]:not(.is-scrolled):not(.is-drawer-open):not([data-state~="menu-open"])
  .vfr-language-button:hover {
  background: rgb(255 255 255 / 16%);
}

body.rnd-section-page
  .vfr-site-nav[data-vfr-surface="full-width"][data-vfr-variant="transparent-top"]:not(.is-scrolled):not(.is-drawer-open):not([data-state~="menu-open"])
  .vfr-nav-cta {
  background: #fff;
  color: #171717;
}

/* Development-process editorial overview.
 * The reference uses a fixed rounded crop in normal document flow; only the
 * image layer receives a small, reversible scroll-linked translation.
 */
.rnd-process-overview {
  --rnd-process-overview-image-y: 0%;

  position: relative;
  width: 100%;
  padding-block: 64px;
  overflow: clip;
  background: #e8e6e3;
  color: var(--serim-text-primary);
}

.rnd-process-overview__inner {
  display: flex;
  width: 100%;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
}

.rnd-process-overview__visual {
  position: relative;
  width: calc(100% - 24px);
  height: 600px;
  flex: 0 0 auto;
  overflow: clip;
  border-radius: 12px;
  background: rgb(0 0 0 / 20%);
  isolation: isolate;
}

.rnd-process-overview__image-layer {
  position: absolute;
  inset: 0;
  transform: translate3d(0, var(--rnd-process-overview-image-y), 0);
  will-change: transform;
}

.rnd-process-overview__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 66% center;
}

.rnd-process-overview__copy {
  position: relative;
  display: flex;
  width: calc(100% - 48px);
  flex: 0 0 auto;
  flex-direction: column;
  gap: 24px;
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition:
    opacity 600ms cubic-bezier(.19, 1, .22, 1),
    transform 600ms cubic-bezier(.19, 1, .22, 1);
}

.rnd-process-overview.is-enhanced .rnd-process-overview__copy {
  opacity: 0;
  transform: translate3d(0, 20px, 0);
}

.rnd-process-overview.is-enhanced .rnd-process-overview__copy.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.rnd-process-overview__heading-wrap {
  width: 100%;
}

.rnd-process-overview__heading {
  max-width: 390px;
}

.rnd-process-overview__body {
  display: grid;
  width: 100%;
  max-width: 617px;
  gap: 24px;
  color: var(--serim-text-secondary);
  font-family: var(--serim-font-body);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: -.02em;
  line-height: 1.5;
  word-break: keep-all;
}

.rnd-process-overview__body p {
  margin: 0;
}

html:lang(en) .rnd-process-overview__body {
  letter-spacing: 0;
  word-break: normal;
}

/* Development steps carousel
 * Mirrors the supplied editorial composition while keeping every process
 * step in the document as an ordered, progressively enhanced list.
 */
.rnd-process-steps {
  --rnd-process-step-accent: var(--serim-text-link-focus-strong, #2547d0);
  --rnd-process-step-ease: cubic-bezier(.19, 1, .22, 1);
  --rnd-process-card-ease: cubic-bezier(.77, 0, .175, 1);
  --rnd-process-progress: 0;

  position: relative;
  width: 100%;
  padding-block: 12rem;
  overflow: clip;
  background: #fff;
  color: var(--serim-text-primary);
}

.rnd-process-steps__inner {
  display: flex;
  width: calc(100% - 32px);
  max-width: 1234px;
  flex-direction: column;
  gap: 40px;
  margin-inline: auto;
}

.rnd-process-steps__heading {
  order: 1;
  width: 100%;
}

.rnd-process-steps__heading h2 > span {
  display: block;
}

.rnd-process-steps.is-enhanced .rnd-process-steps__heading h2 > span {
  opacity: 0;
  transform: translate3d(20px, 0, 0);
  transition:
    opacity 460ms var(--rnd-process-step-ease),
    transform 460ms var(--rnd-process-step-ease);
}

.rnd-process-steps.is-visible .rnd-process-steps__heading h2 > span {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.rnd-process-steps.is-visible .rnd-process-steps__heading h2 > span:nth-child(2) {
  transition-delay: 70ms;
}

.rnd-process-steps.is-visible .rnd-process-steps__heading h2 > span:nth-child(3) {
  transition-delay: 140ms;
}

.rnd-process-steps__copy {
  order: 3;
  display: flex;
  width: 100%;
  flex-direction: column;
  gap: 48px;
}

.rnd-process-steps__story {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 28px;
}

.rnd-process-steps__progress {
  display: grid;
  width: 100%;
  height: 1.5px;
  overflow: hidden;
  background: rgb(23 23 23 / 15%);
}

.rnd-process-steps__progress > span {
  width: 100%;
  height: 100%;
  background: var(--rnd-process-step-accent);
  transform: scaleX(var(--rnd-process-progress));
  transform-origin: left center;
  transition: transform 700ms var(--rnd-process-step-ease);
}

.rnd-process-steps__panels {
  display: grid;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.rnd-process-steps__panel {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 12px;
  margin: 0;
}

.rnd-process-steps__panel h3 {
  margin: 0;
  color: var(--serim-text-primary);
  font-family: var(--serim-font-body);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -.025em;
  line-height: 1.35;
  word-break: keep-all;
}

.rnd-process-steps__panel > p {
  margin: 0;
  color: var(--serim-text-muted);
  font-family: var(--serim-font-body);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -.015em;
  line-height: 1.55;
  word-break: keep-all;
}

.rnd-process-steps__meta {
  display: flex;
  flex-direction: column;
  margin-top: 4px;
  color: color-mix(in srgb, var(--serim-text-primary) 50%, transparent);
  font-family: var(--serim-font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.45;
}

html:lang(en) .rnd-process-steps__panel :is(h3, p) {
  letter-spacing: 0;
  word-break: normal;
}

.rnd-process-steps.is-enhanced .rnd-process-steps__panels {
  position: relative;
  display: block;
  min-height: 270px;
}

.rnd-process-steps.is-enhanced .rnd-process-steps__panel {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transform: translate3d(0, 16px, 0);
  transition:
    opacity 430ms ease,
    transform 650ms var(--rnd-process-step-ease);
}

.rnd-process-steps.is-enhanced .rnd-process-steps__panel.is-active {
  z-index: 1;
  opacity: 1;
  pointer-events: auto;
  transform: translate3d(0, 0, 0);
  transition-delay: 150ms;
}

.rnd-process-steps__controls {
  display: none;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.rnd-process-steps.is-enhanced .rnd-process-steps__controls {
  display: flex;
}

.rnd-process-steps__counter {
  display: flex;
  align-items: flex-end;
  gap: 0;
  overflow: hidden;
  padding-top: 5px;
}

.rnd-process-steps__counter-window {
  position: relative;
  display: block;
  width: 44px;
  height: 48px;
  overflow: hidden;
}

.rnd-process-steps__counter-value {
  position: absolute;
  inset: auto 0 0;
  display: flex;
  height: 48px;
  align-items: flex-end;
  color: var(--serim-text-primary);
  font-family: "Serim Test Tiempos Headline", Georgia, "Times New Roman", serif;
  font-size: 60px;
  font-weight: var(--serim-font-editorial-weight);
  font-variation-settings: "wght" var(--serim-font-editorial-weight);
  font-synthesis: none;
  letter-spacing: -.035em;
  line-height: .8;
  transform: translate3d(0, 0, 0);
  will-change: transform;
}

.rnd-process-steps__counter-value.is-entering {
  animation: rnd-process-counter-in 620ms cubic-bezier(.16, 1, .3, 1) both;
  animation: rnd-process-counter-in 620ms linear(
    0,
    .16 8%,
    .44 18%,
    .7 30%,
    .88 42%,
    .975 54%,
    1.008 66%,
    1.006 78%,
    1 100%
  ) both;
}

.rnd-process-steps__counter-value.is-exiting {
  animation: rnd-process-counter-out 620ms cubic-bezier(.16, 1, .3, 1) both;
  animation: rnd-process-counter-out 620ms linear(
    0,
    .16 8%,
    .44 18%,
    .7 30%,
    .88 42%,
    .975 54%,
    1.008 66%,
    1.006 78%,
    1 100%
  ) both;
}

@keyframes rnd-process-counter-in {
  from {
    transform: translate3d(0, 120%, 0);
  }

  to {
    transform: translate3d(0, 0, 0);
  }
}

@keyframes rnd-process-counter-out {
  from {
    transform: translate3d(0, 0, 0);
  }

  to {
    transform: translate3d(0, -120%, 0);
  }
}

.rnd-process-steps__counter-total {
  padding-bottom: 4px;
  color: color-mix(in srgb, var(--serim-text-primary) 50%, transparent);
  font-family: var(--serim-font-body);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.2;
}

.rnd-process-steps__arrows {
  display: flex;
  gap: 12px;
}

.rnd-process-steps__arrows button {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgb(23 23 23 / 15%);
  border-radius: 50%;
  background: transparent;
  color: var(--serim-text-primary);
  cursor: pointer;
  transition:
    border-color 220ms ease,
    background-color 220ms ease,
    color 220ms ease,
    transform 220ms var(--rnd-process-step-ease);
  -webkit-tap-highlight-color: transparent;
}

.rnd-process-steps__arrows button svg {
  width: 10px;
  height: 10px;
}

.rnd-process-steps__arrows button:active {
  transform: scale(.94);
}

.rnd-process-steps__arrows button:focus-visible {
  outline: 2px solid var(--serim-navy-500, #1685f8);
  outline-offset: 3px;
}

.rnd-process-steps__visual {
  order: 2;
  display: none;
  width: 100%;
  max-width: 685px;
  overflow: clip;
}

.rnd-process-steps.is-enhanced .rnd-process-steps__visual {
  display: block;
}

.rnd-process-steps__visual-stage {
  position: relative;
  width: 100%;
  height: 302px;
  overflow: clip;
  touch-action: pan-y;
}

.rnd-process-steps__card {
  position: absolute;
  top: 50%;
  left: 0;
  z-index: 0;
  width: 44%;
  aspect-ratio: 3 / 4;
  margin: 0;
  overflow: hidden;
  border-radius: 12px;
  background: #d9dde0;
  opacity: 0;
  transform: translate3d(250%, -50%, 0) scale(1.4986);
  transform-origin: 50% 50%;
  transition:
    transform 800ms var(--rnd-process-card-ease),
    opacity 360ms ease;
  will-change: transform;
}

.rnd-process-steps__card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1);
  transition: transform 800ms var(--rnd-process-card-ease);
  will-change: transform;
}

.rnd-process-steps__card:is([data-state="next"], [data-state="hidden-right"]) img {
  transform: scale(1.5);
}

.rnd-process-steps__card[data-state="previous"] {
  z-index: 1;
  opacity: 1;
  transform: translate3d(0, -50%, 0) scale(1);
}

.rnd-process-steps__card[data-state="active"] {
  z-index: 3;
  opacity: 1;
  transform: translate3d(88%, -50%, 0) scale(1.4986);
}

.rnd-process-steps__card[data-state="next"] {
  z-index: 2;
  opacity: 0;
  transform: translate3d(250%, -50%, 0) scale(1.4986);
}

.rnd-process-steps__card[data-state="hidden-left"] {
  transform: translate3d(-90%, -50%, 0) scale(.86);
}

.rnd-process-steps__card[data-state="hidden-right"] {
  transform: translate3d(250%, -50%, 0) scale(1.4986);
}

@media (hover: hover) and (pointer: fine) {
  .rnd-process-steps__arrows button:hover {
    border-color: var(--rnd-process-step-accent);
    background: var(--rnd-process-step-accent);
    color: #fff;
  }
}

@media (min-width: 768px) {
  .rnd-process-hero__media {
    background-position: center;
  }

  .rnd-process-hero__video {
    object-position: center;
  }

  .rnd-process-overview {
    padding-block: 120px;
  }

  .rnd-process-overview__inner {
    gap: 96px;
  }

  .rnd-process-overview__visual {
    width: min(1234px, 85.6944vw);
    height: 860px;
    border-radius: 20px;
  }

  .rnd-process-overview__image {
    object-position: center;
  }

  .rnd-process-overview__copy {
    width: min(1234px, 85.6944vw);
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: 40px;
  }

  .rnd-process-overview__heading-wrap {
    max-width: 390px;
  }

  .rnd-process-overview__body {
    flex: 0 1 617px;
    font-size: 24px;
    line-height: 1.42;
  }

  .rnd-process-steps__inner {
    display: grid;
    width: min(1234px, 85.6944vw);
    max-width: none;
    grid-template-columns: minmax(260px, 370px) minmax(0, 685px);
    grid-template-rows: auto 1fr;
    column-gap: clamp(48px, 8vw, 179px);
    row-gap: 90px;
    align-items: stretch;
    justify-content: space-between;
  }

  .rnd-process-steps__heading {
    grid-column: 1;
    grid-row: 1;
    order: initial;
  }

  .rnd-process-steps__copy {
    grid-column: 1;
    grid-row: 2;
    order: initial;
    min-height: 0;
  }

  .rnd-process-steps__story {
    gap: 24px;
  }

  .rnd-process-steps.is-enhanced .rnd-process-steps__panels {
    min-height: 300px;
  }

  .rnd-process-steps__panel {
    gap: 18px;
  }

  .rnd-process-steps__panel h3 {
    font-size: 24px;
    line-height: 1.28;
  }

  .rnd-process-steps__panel > p {
    font-size: 18px;
    line-height: 1.55;
  }

  .rnd-process-steps__meta {
    font-size: 13px;
  }

  .rnd-process-steps__arrows button {
    width: 50px;
    height: 50px;
  }

  .rnd-process-steps__visual {
    grid-column: 2;
    grid-row: 1 / span 2;
    order: initial;
    align-self: center;
  }

  .rnd-process-steps__visual-stage {
    height: 700px;
  }

  .rnd-process-steps__card {
    transform: translate3d(250%, -50%, 0) scale(1.6305);
  }

  .rnd-process-steps__card[data-state="active"] {
    transform: translate3d(80.72%, -50%, 0) scale(1.6305);
  }

  .rnd-process-steps__card[data-state="next"],
  .rnd-process-steps__card[data-state="hidden-right"] {
    transform: translate3d(250%, -50%, 0) scale(1.6305);
  }
}

@media (min-width: 1024px) {
  .rnd-process-steps__inner {
    grid-template-columns: 370px minmax(0, 685px);
    column-gap: clamp(100px, 12.43vw, 179px);
  }
}

@media (min-width: 1024px) {
  .rnd-process-hero__container {
    padding-bottom: 120px;
  }
}

/* Development principles carousel
 * Mirrors the pacing and horizontal rhythm of the supplied reference while
 * keeping Serim's own type, color tokens and process language.
 */
.rnd-process-principles {
  --rnd-principles-accent: var(--serim-navy-800, #17477f);
  --rnd-principles-container: min(1234px, 85.6944vw);
  --rnd-principles-inset: 40px;
  --rnd-principles-gap: 40px;

  position: relative;
  display: flex;
  width: 100%;
  flex-direction: column;
  gap: 60px;
  overflow: clip;
  padding-block: 120px;
  background: #f9f6f8;
  color: var(--serim-text-primary, #171717);
}

.rnd-process-principles__header {
  display: flex;
  width: calc(100% - 80px);
  max-width: 1234px;
  flex-direction: column;
  gap: 24px;
  margin-inline: auto;
}

.rnd-process-principles__title-row,
.rnd-process-principles__intro-row {
  display: flex;
  width: 100%;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

body.vf-font-rendering.rnd-section-page .rnd-process-principles__title-row h2 {
  width: min(100%, 700px);
  margin: 0;
  color: var(--serim-text-primary, #171717);
  font-family: var(--serim-font-editorial);
  font-size: 34px;
  font-weight: var(--serim-font-editorial-weight);
  font-variation-settings: "wght" var(--serim-font-editorial-weight);
  font-synthesis: none;
  letter-spacing: -.04em;
  line-height: .9;
  text-wrap: balance;
  word-break: keep-all;
}

.rnd-process-principles__title-row h2 > span {
  display: block;
}

.rnd-process-principles__intro-row > p {
  width: min(100%, 525px);
  margin: 0;
  color: var(--serim-text-secondary, #5c5c5c);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .02em;
  line-height: 1.6;
  text-wrap: pretty;
}

.rnd-process-principles__controls {
  display: none;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
}

.rnd-process-principles.is-enhanced .rnd-process-principles__controls--mobile {
  display: flex;
}

.rnd-process-principles__controls button {
  display: inline-flex;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid rgb(23 23 23 / 15%);
  border-radius: 50%;
  background: transparent;
  color: currentColor;
  cursor: pointer;
  transition:
    color 400ms cubic-bezier(.19, 1, .22, 1),
    background-color 400ms cubic-bezier(.19, 1, .22, 1),
    border-color 400ms cubic-bezier(.19, 1, .22, 1),
    transform 400ms cubic-bezier(.19, 1, .22, 1),
    opacity 180ms ease;
  -webkit-tap-highlight-color: transparent;
}

.rnd-process-principles__controls button svg {
  display: block;
  width: 10px;
  height: 10px;
}

.rnd-process-principles__controls button:not(:disabled):hover {
  border-color: var(--rnd-principles-accent);
  background: var(--rnd-principles-accent);
  color: #fff;
  transform: scale(1.05);
}

.rnd-process-principles__controls button:not(:disabled):active {
  transform: scale(.95);
}

.rnd-process-principles__controls button:focus-visible,
.rnd-process-principles__viewport:focus-visible {
  outline: 2px solid var(--serim-text-link-focus-soft, #476cff);
  outline-offset: 3px;
}

.rnd-process-principles__controls button:disabled {
  opacity: .28;
  cursor: default;
}

.rnd-process-principles__viewport {
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-inline: contain;
  scroll-behavior: smooth;
  scroll-padding-inline: var(--rnd-principles-inset);
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  cursor: grab;
  -webkit-overflow-scrolling: touch;
}

.rnd-process-principles__viewport:active {
  cursor: grabbing;
}

.rnd-process-principles__viewport::-webkit-scrollbar {
  display: none;
}

.rnd-process-principles__track {
  display: flex;
  width: max-content;
  flex-wrap: nowrap;
  gap: var(--rnd-principles-gap);
  margin: 0;
  padding: 0 var(--rnd-principles-inset) 24px;
  list-style: none;
}

.rnd-process-principles__item {
  display: flex;
  width: 245px;
  flex: 0 0 245px;
  flex-direction: column;
  gap: 24px;
  scroll-snap-align: start;
  scroll-snap-stop: normal;
  user-select: none;
}

.rnd-process-principles__item-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rnd-process-principles__number {
  display: inline-flex;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--rnd-principles-accent);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: normal;
  line-height: 1;
}

body.vf-font-rendering.rnd-section-page .rnd-process-principles__item h3 {
  margin: 0;
  color: var(--serim-text-primary, #171717);
  font-family: var(--serim-font-editorial);
  font-size: 24px;
  font-weight: var(--serim-font-editorial-weight);
  font-variation-settings: "wght" var(--serim-font-editorial-weight);
  font-synthesis: none;
  letter-spacing: -.03em;
  line-height: 1.25;
  text-wrap: balance;
  word-break: keep-all;
}

.rnd-process-principles__item > p {
  margin: 0;
  color: var(--serim-text-secondary, #5c5c5c);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .02em;
  line-height: 1.6;
  text-wrap: pretty;
  word-break: keep-all;
}

.rnd-process-principles.is-enhanced .rnd-process-principles__title-row h2 > span,
.rnd-process-principles.is-enhanced .rnd-process-principles__item {
  opacity: 0;
  transform: translate3d(20px, 0, 0);
}

.rnd-process-principles.is-visible .rnd-process-principles__title-row h2 > span,
.rnd-process-principles.is-visible .rnd-process-principles__item {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition:
    opacity 520ms cubic-bezier(.19, 1, .22, 1),
    transform 520ms cubic-bezier(.19, 1, .22, 1);
}

.rnd-process-principles.is-visible .rnd-process-principles__title-row h2 > span:nth-child(2) {
  transition-delay: 70ms;
}

.rnd-process-principles.is-visible .rnd-process-principles__item:nth-child(2) { transition-delay: 45ms; }
.rnd-process-principles.is-visible .rnd-process-principles__item:nth-child(3) { transition-delay: 90ms; }
.rnd-process-principles.is-visible .rnd-process-principles__item:nth-child(4) { transition-delay: 135ms; }
.rnd-process-principles.is-visible .rnd-process-principles__item:nth-child(5) { transition-delay: 180ms; }
.rnd-process-principles.is-visible .rnd-process-principles__item:nth-child(6) { transition-delay: 225ms; }
.rnd-process-principles.is-visible .rnd-process-principles__item:nth-child(7) { transition-delay: 270ms; }
.rnd-process-principles.is-visible .rnd-process-principles__item:nth-child(8) { transition-delay: 315ms; }

@media (min-width: 768px) {
  .rnd-process-principles {
    --rnd-principles-inset: calc((100vw - var(--rnd-principles-container)) / 2);

    gap: 48px;
  }

  .rnd-process-principles__header {
    width: var(--rnd-principles-container);
    max-width: none;
    gap: 48px;
  }

  body.vf-font-rendering.rnd-section-page .rnd-process-principles__title-row h2 {
    font-size: clamp(56px, 5.56vw, 80px);
  }

  .rnd-process-principles__intro-row > p {
    font-size: 15px;
    letter-spacing: .01em;
  }

  .rnd-process-principles.is-enhanced .rnd-process-principles__controls--mobile {
    display: none;
  }

  .rnd-process-principles.is-enhanced .rnd-process-principles__controls--desktop {
    display: flex;
    gap: 12px;
  }

  .rnd-process-principles__controls button {
    width: 50px;
    height: 50px;
    flex-basis: 50px;
  }

  .rnd-process-principles__item {
    width: 215px;
    flex-basis: 215px;
  }

  .rnd-process-principles__number {
    font-size: 12px;
  }

  body.vf-font-rendering.rnd-section-page .rnd-process-principles__item h3 {
    font-size: 40px;
    line-height: 1.1;
  }

  .rnd-process-principles__item > p {
    font-size: 15px;
    letter-spacing: .01em;
  }
}

@media (min-width: 1024px) {
  .rnd-process-principles {
    --rnd-principles-gap: calc((var(--rnd-principles-container) - 860px) / 3);
  }
}

@media (max-width: 767px) {
  .rnd-process-steps {
    padding-block: 6rem;
  }

  .rnd-process-steps__inner {
    width: auto;
    margin-inline: 24px;
  }

  .rnd-process-steps.is-enhanced .rnd-process-steps__panels {
    display: grid;
    min-height: 0;
  }

  .rnd-process-steps.is-enhanced .rnd-process-steps__panel {
    position: relative;
    inset: auto;
    grid-area: 1 / 1;
  }

  body.rnd-section-page
    .vfr-site-nav[data-vfr-surface="full-width"][data-vfr-variant="transparent-top"]:not(.is-scrolled):not(.is-drawer-open):not([data-state~="menu-open"])
    .vfr-nav-burger {
    background: transparent;
  }
}

@media (prefers-reduced-motion: reduce) {
  .rnd-process-hero__media {
    transform: none;
    will-change: auto;
  }

  .rnd-process-hero__video {
    transition: none;
  }

  .rnd-process-hero :is(
    .rnd-process-hero__label,
    .rnd-process-hero__title-word,
    .serim-hero-intro-lg__description,
    .rnd-process-hero__scroll
  ) {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .rnd-process-overview__image-layer,
  .rnd-process-overview__copy {
    transform: none;
    transition: none;
    will-change: auto;
  }

  .rnd-process-overview__copy {
    opacity: 1;
  }

  .rnd-process-steps.is-enhanced .rnd-process-steps__heading h2 > span,
  .rnd-process-steps.is-visible .rnd-process-steps__heading h2 > span,
  .rnd-process-steps.is-enhanced .rnd-process-steps__panel.is-active {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .rnd-process-steps.is-enhanced .rnd-process-steps__panel:not(.is-active) {
    opacity: 0;
    transform: none;
    transition: none;
  }

  .rnd-process-steps__progress > span,
  .rnd-process-steps__counter-value,
  .rnd-process-steps__card,
  .rnd-process-steps__card img,
  .rnd-process-steps__arrows button {
    transition: none;
    animation: none;
  }

  .rnd-process-principles__viewport {
    scroll-behavior: auto;
  }

  .rnd-process-principles.is-enhanced .rnd-process-principles__title-row h2 > span,
  .rnd-process-principles.is-enhanced .rnd-process-principles__item,
  .rnd-process-principles.is-visible .rnd-process-principles__title-row h2 > span,
  .rnd-process-principles.is-visible .rnd-process-principles__item {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .rnd-process-principles__controls button {
    transition: none;
  }
}