@import url('https://fonts.googleapis.com/css2?family=Onest:wght@400;500;600;700;800&family=Spline+Sans:wght@400;600;700&family=Roboto:wght@400&display=swap');

:root {
  --cs-white: #ffffff;
  --cs-bg: #ffffff;
  --cs-text: #000000;
  --cs-text-muted: #666;
  --cs-border: #E3E9FF;
  --cs-border-nav: #EFEFEF;
  --cs-tag-bg: #E8F4FF;
  --cs-tag-text: #0057FF;
  --cs-accent: #1C4EFE;
  --cs-card-bg: #FCFDFE;
  --cs-radius: 28px;
  --cs-radius-sm: 21px;
  --cs-radius-tag: 1000px;
  --cs-container: 1440px;
}

html { overflow-x: hidden; }

body.cs-page {
  font-family: 'Spline Sans', sans-serif;
  background: var(--cs-bg);
  color: var(--cs-text);
  line-height: 1.6;
  padding-top: 72px;
  overflow-x: hidden;
}

.cs-page .container {
  max-width: var(--cs-container);
  margin: 0 auto;
  padding: 0 80px;
}

/* ─── Nav ─── */
.cs-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--cs-white);
  padding: 24px 0;
  transition: background 0.3s ease, border-radius 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

.cs-nav--sticky {
  top: 16px;
  left: 0;
  right: 0;
  margin: 0 auto;
  width: min(calc(100vw - 48px), var(--cs-container));
  padding: 16px 0;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 28px;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.8),
    0 8px 32px rgba(0, 0, 0, 0.04);
  opacity: 0;
  animation: navFadeIn 0.35s ease forwards;
}

.cs-nav__progress {
  position: absolute;
  inset: -2px;
  border-radius: 30px;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.3s ease;
  padding: 2px;
  background: conic-gradient(from 270deg, var(--cs-accent) calc(var(--progress, 0) * 1turn), transparent calc(var(--progress, 0) * 1turn));
  background-origin: border-box;
  -webkit-mask: linear-gradient(black, black) content-box, linear-gradient(black, black);
  -webkit-mask-composite: xor;
  mask: linear-gradient(black, black) content-box, linear-gradient(black, black);
  mask-composite: exclude;
}

.cs-nav--sticky .cs-nav__progress {
  opacity: 1;
}

@keyframes navFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.cs-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
}

.cs-nav--sticky .container {
  padding: 0 32px;
}

.cs-nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 400;
  color: var(--cs-text);
  text-decoration: none;
}

.cs-nav__logo-icon {
  width: 28px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cs-nav__logo-icon img {
  display: block;
  width: 100%;
  height: 100%;
}

.cs-nav__logo-text {
  font-family: 'Onest', sans-serif;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.02em;
  color: inherit;
}

.cs-nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.cs-nav__links a {
  font-family: 'Onest', sans-serif;
  font-size: 16px;
  font-weight: 500;
  color: #111928;
  text-decoration: none;
  line-height: 24px;
  transition: color 0.2s ease;
}

.cs-nav__links a:hover {
  color: var(--cs-accent);
}

.cs-nav__links-inner {
  display: flex;
  align-items: center;
  gap: 32px;
}

/* ─── Hamburger toggle ─── */
.cs-nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  gap: 5px;
  padding: 8px;
  position: relative;
  z-index: 110;
}

.cs-nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--cs-text);
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.2s ease;
}

.cs-nav--open .cs-nav__toggle {
  position: fixed;
  top: 20px;
  right: max(24px, calc((100vw - 1440px) / 2 + 24px));
}

.cs-nav--open .cs-nav__toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.cs-nav--open .cs-nav__toggle span:nth-child(2) {
  opacity: 0;
}

.cs-nav--open .cs-nav__toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.cs-nav__cv {
  position: relative;
  padding: 8px 20px;
  border-radius: 1000px;
  border: 1px solid #A0ADDD;
  color: var(--cs-text) !important;
  font-weight: 600 !important;
  z-index: 1;
  transition: color 0.2s 0.1s;
}

.cs-nav__cv::before {
  content: '';
  position: absolute;
  inset: -1px;
  background: var(--cs-text);
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.3s ease-out;
  z-index: -1;
}

.cs-nav__cv:hover {
  color: white !important;
  transition: color 0.2s;
}

.cs-nav__cv:hover::before {
  opacity: 1;
}

/* ─── Hero ─── */
.cs-hero {
  padding: 32px 0;
  background: var(--cs-white);
}

.cs-hero__image {
  width: 100%;
  height: 700px;
  border-radius: var(--cs-radius);
  background-size: cover;
  background-position: center;
  padding: 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 80px;
  position: relative;
  overflow: hidden;
}

.cs-hero__content {
  width: 547px;
  max-width: 600px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 64px;
}

.cs-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.cs-hero__tag {
  padding: 8px 16px;
  background: var(--cs-tag-bg);
  border-radius: var(--cs-radius-tag);
  color: var(--cs-tag-text);
  font-size: 14px;
  font-weight: 400;
  text-transform: capitalize;
  line-height: 16px;
  font-family: 'Spline Sans', sans-serif;
}

.cs-hero__text {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.cs-hero__title {
  font-family: 'Onest', sans-serif;
  font-size: 60px;
  font-weight: 700;
  line-height: 68px;
  color: white;
  margin: 0;
}

.cs-hero__subtitle {
  font-size: 20px;
  font-weight: 400;
  line-height: 30px;
  color: white;
  max-width: 467px;
  margin: 0;
}

/* ─── Content sections (two-column) ─── */
.cs-section {
  padding: 64px 0;
  display: flex;
  gap: 48px;
}

.cs-section__left {
  width: 500px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cs-section__left h3 {
  font-family: 'Onest', sans-serif;
  font-size: 32px;
  font-weight: 400;
  line-height: 38.4px;
  color: var(--cs-text);
  margin: 0;
}

.cs-section__number {
  font-family: 'Onest', sans-serif;
  font-size: 128px;
  font-weight: 400;
  line-height: 89.6px;
  color: transparent;
  -webkit-text-stroke: 2px var(--cs-accent);
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.6s ease;
}

.cs-section[data-reveal] .cs-section__number {
  transform: translateX(-30px);
  opacity: 0;
}

.cs-section[data-reveal].revealed .cs-section__number {
  transform: translateX(0);
  opacity: 1;
}

.cs-section__number.alt-line {
  line-height: 102.4px;
}

.cs-section__right {
  max-width: 720px;
  margin-left: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cs-section__right p {
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  letter-spacing: 0.15px;
  color: var(--cs-text);
  margin: 0;
}

/* ─── Details ─── */
.cs-details {
  padding: 64px 0;
  display: flex;
  gap: 48px;
}

.cs-details__title {
  font-family: 'Onest', sans-serif;
  font-size: 32px;
  font-weight: 400;
  line-height: 38.4px;
  margin-bottom: 16px;
}

.cs-details__card {
  margin-left: auto;
  background: var(--cs-card-bg);
  border-radius: var(--cs-radius-sm);
  display: flex;
  gap: 47px;
  padding: 28px 22px;
}

.cs-details__col {
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-width: 62px;
}

.cs-details__col-label {
  font-weight: 700;
  font-size: 16px;
  line-height: 24px;
  letter-spacing: 0.15px;
}

.cs-details__col-value {
  font-weight: 400;
  font-size: 16px;
  line-height: 24px;
  letter-spacing: 0.15px;
  white-space: pre-line;
}

/* ─── Process cards ─── */
.cs-process {
  display: flex;
  gap: 24px;
  padding: 64px 0;
}

.cs-process__card {
  box-sizing: border-box;
  flex: 1;
  height: 400px;
  padding: 24px;
  border-radius: var(--cs-radius);
  outline: 1px solid var(--cs-border);
  background: linear-gradient(180deg, rgba(255,255,255,0) 0%, white 100%);
  background-image: var(--card-bg, none);
  background-size: cover;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.3s ease, box-shadow 0.3s ease, outline-color 0.3s ease;
}

.cs-process__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.06);
  outline-color: var(--cs-accent);
}

.cs-process__badge {
  padding: 8px 16px;
  background: var(--cs-tag-bg);
  border-radius: var(--cs-radius-tag);
  box-shadow: 0 12px 19px rgba(0,102,255,0.17), 0 0 2px rgba(0,86.7,255,0.15);
  color: var(--cs-tag-text);
  font-size: 14px;
  font-weight: 700;
  text-transform: capitalize;
  line-height: 16px;
  display: inline-block;
  width: fit-content;
}

.cs-process__body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cs-process__body h3 {
  font-family: 'Onest', sans-serif;
  font-size: 32px;
  font-weight: 700;
  line-height: 38.4px;
  margin: 0;
}

.cs-process__body p {
  font-size: 16px;
  font-weight: 400;
  line-height: 22.4px;
  letter-spacing: 0.5px;
  color: var(--cs-text);
  margin: 0;
  white-space: pre-line;
}

/* ─── Image Rows ─── */
.cs-image-row {
  display: flex;
  gap: 24px;
  margin: 32px 0;
}

.cs-image-row__item {
  border-radius: var(--cs-radius);
  overflow: hidden;
}

.cs-image-row__item--wide {
  flex: 1.5;
}

.cs-image-row__item--narrow {
  flex: 0.7;
}

.cs-image-row__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cs-image-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 32px 0;
}

.cs-image-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
  margin: 32px 0;
}

.cs-image-row-2 div,
.cs-image-row-3 div {
  border-radius: var(--cs-radius);
  overflow: hidden;
}

.cs-image-row__item img,
.cs-image-row-2 div img,
.cs-image-row-3 div img,
[data-reveal] > img {
  transition: transform 0.4s ease;
  will-change: transform;
}

.cs-image-row__item:hover img,
.cs-image-row-2 div:hover img,
.cs-image-row-3 div:hover img,
[data-reveal]:hover > img {
  transform: scale(1.03);
}

/* ─── Footer ─── */
.cs-footer {
  padding: 48px 0;
}

.cs-footer .container {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: flex-end;
}

.cs-footer__copy {
  font-size: 12px;
  line-height: 24px;
  letter-spacing: 0.15px;
}

.cs-footer__quote {
  font-size: 12px;
  font-weight: 400;
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .cs-hero__title { font-size: 40px; line-height: 48px; }
  .cs-hero__content { width: 100%; }
  .cs-hero__image { height: auto; min-height: 500px; padding: 40px; }
  .cs-section { flex-direction: column; }
  .cs-section__left { width: 100%; }
  .cs-section__right { margin-left: 0; max-width: 100%; }
  .cs-section__number { font-size: 80px; line-height: 1; }
  .cs-image-row { flex-direction: column; }
  .cs-image-row-2 { grid-template-columns: 1fr; }
  .cs-image-row-3 { grid-template-columns: 1fr; }
  .cs-details { flex-direction: column; }
  .cs-details__card { flex-wrap: wrap; gap: 24px; margin-left: 0; }
  .cs-process { flex-wrap: wrap; border: none; gap: 16px; }
  .cs-process__card { flex: 1 1 280px; min-width: 220px; }
  .cs-footer { padding: 24px 0; }
  .cs-footer .container { flex-direction: column; align-items: flex-start; gap: 4px; }
  .cs-page .container { padding: 0 40px; }
}

@media (max-width: 768px) {
  .cs-nav__toggle { display: flex; }
  .cs-nav__links { display: none; }
  .cs-nav--open .cs-nav__links {
    display: flex;
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    background: var(--cs-white);
    z-index: 105;
    overflow: hidden;
  }
  .cs-nav--open .cs-nav__links .cs-nav__links-inner {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
    width: 100%;
    max-width: var(--cs-container);
    margin: 0 auto;
    padding: 0 24px;
  }
  .cs-nav--open .cs-nav__links a {
    font-size: 26px;
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
    color: var(--cs-text);
    text-decoration: none;
    padding: 10px 0;
    transition: color 0.2s ease;
  }
  .cs-nav--open .cs-nav__links a:hover {
    color: var(--cs-accent);
  }
  .cs-nav--open .cs-nav__links-inner a.cs-nav__cv { padding: 10px 32px; }
  .cs-nav .container { flex-wrap: nowrap; gap: 8px; }
  .cs-hero__title { font-size: 32px; line-height: 40px; }
  .cs-hero__image { padding: 24px; border-radius: 16px; min-height: 320px; }
  .cs-hero__content { gap: 24px; }
  .cs-hero__subtitle { font-size: 16px; line-height: 24px; }
  .cs-section { padding: 32px 0; gap: 24px; }
  .cs-section__left h3 { font-size: 28px; line-height: 34px; }
  .cs-section__number { font-size: 64px; line-height: 1; }
  .cs-details { padding: 32px 0; gap: 24px; }
  .cs-process { padding: 32px 0; gap: 16px; }
  .cs-process__card { flex: 1 1 calc(50% - 8px); min-width: 220px; min-height: 200px; height: auto; }
  .cs-footer { padding: 16px 0; }
  .cs-page .container { padding: 0 24px; }
}

@media (max-width: 480px) {
  .cs-page .container { padding: 0 8px; }
  .cs-nav .container { padding: 0 32px; }
  .cs-hero__title { font-size: 26px; line-height: 34px; }
  .cs-hero__image { padding: 16px; min-height: auto; border-radius: 12px; }
  .cs-hero__content { gap: 20px; }
  .cs-hero__subtitle { font-size: 14px; line-height: 22px; }
  .cs-hero__tag { font-size: 12px; padding: 6px 12px; }
  .cs-section { padding: 20px 0; gap: 16px; }
  .cs-section__left h3 { font-size: 22px; line-height: 28px; }
  .cs-section__number { font-size: 40px; line-height: 1; }
  .cs-section__right { gap: 8px; }
  .cs-section__right p { font-size: 15px; line-height: 22px; }
  .cs-details { padding: 20px 0; gap: 16px; }
  .cs-details__title { font-size: 24px; line-height: 30px; margin-bottom: 12px; }
  .cs-details__card { flex-direction: column; gap: 16px; padding: 20px 16px; margin-left: 0; }
  .cs-details__col { gap: 12px; }
  .cs-process { padding: 20px 0; gap: 12px; flex-direction: column; }
  .cs-process__card { width: 100%; min-width: 0; max-width: 100%; height: auto; min-height: 160px; padding: 16px; }
  .cs-process__body h3 { font-size: 24px; line-height: 30px; }
  .cs-process__body p { font-size: 14px; line-height: 20px; }
  .cs-image-row { overflow-x: auto; -webkit-overflow-scrolling: touch; scroll-snap-type: x mandatory; margin: 16px 0; gap: 12px; touch-action: pan-x pan-y; }
  .cs-image-row__item { scroll-snap-align: start; flex-shrink: 0; min-width: 75%; }
  .cs-image-row-2, .cs-image-row-3 { margin: 16px 0; gap: 12px; grid-template-columns: 1fr; }
  .cs-footer { padding: 12px 0; }
  .cs-footer .container { flex-direction: column; align-items: flex-start; gap: 2px; }
  .cs-footer__copy, .cs-footer__quote { font-size: 11px; line-height: 18px; }
}

@media (max-width: 360px) {
  .cs-page .container { padding: 0 12px; }
  .cs-nav .container { padding: 0 16px; }
  .cs-nav--open .cs-nav__links .cs-nav__links-inner { padding: 0 16px; }
  .cs-nav--open .cs-nav__links a { font-size: 22px; }
  .cs-nav__toggle { width: 40px; height: 40px; }
  .cs-nav--open .cs-nav__toggle { right: 12px; top: 16px; }
  .cs-hero__title { font-size: 22px; line-height: 28px; }
  .cs-hero__image { padding: 12px; border-radius: 10px; }
  .cs-hero__content { gap: 16px; }
  .cs-hero__subtitle { font-size: 13px; line-height: 20px; }
  .cs-hero__tag { font-size: 11px; padding: 4px 10px; }
  .cs-section { padding: 16px 0; gap: 12px; }
  .cs-section__left h3 { font-size: 20px; line-height: 26px; }
  .cs-section__number { font-size: 32px; }
  .cs-section__right p { font-size: 14px; line-height: 20px; }
  .cs-details { padding: 16px 0; gap: 12px; }
  .cs-details__title { font-size: 20px; line-height: 26px; }
  .cs-details__card { padding: 16px 12px; gap: 12px; margin-left: 0; }
  .cs-details__col { gap: 8px; }
  .cs-details__col-label { font-size: 14px; }
  .cs-details__col-value { font-size: 14px; }
  .cs-process { padding: 16px 0; gap: 8px; }
  .cs-process__card { padding: 12px; min-height: 140px; }
  .cs-process__body h3 { font-size: 20px; line-height: 26px; }
  .cs-process__body p { font-size: 13px; line-height: 18px; }
  .cs-image-row { margin: 12px 0; gap: 8px; }
  .cs-image-row__item { min-width: 80%; }
  .cs-image-row-2, .cs-image-row-3 { margin: 12px 0; gap: 8px; }
  .cs-footer { padding: 10px 0; }
  .cs-footer__copy, .cs-footer__quote { font-size: 10px; line-height: 16px; }
}

/* ─── Floating Table of Contents ─── */
.toc-widget {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-family: 'Onest', sans-serif;
  pointer-events: none;
}

.toc-widget__toggle {
  pointer-events: auto;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--cs-border);
  background: var(--cs-bg);
  color: var(--cs-accent);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
  position: relative;
  z-index: 2;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.toc-widget__toggle:hover {
  border-color: var(--cs-accent);
  background: color-mix(in srgb, var(--cs-accent) 8%, var(--cs-bg));
}

.toc-widget__toggle svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
}

.toc-widget__toggle.is-open {
  background: var(--cs-accent);
  border-color: var(--cs-accent);
  color: #fff;
}

.toc-widget__toggle.is-open svg {
  transform: rotate(180deg);
}

.toc-widget__panel {
  pointer-events: auto;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%) scale(0.92);
  transform-origin: right center;
  opacity: 0;
  visibility: hidden;
  background: var(--cs-bg);
  border: 1px solid var(--cs-border);
  border-radius: 16px;
  padding: 12px 8px;
  min-width: 200px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  transition: all 0.3s cubic-bezier(0.65, 0.05, 0, 1);
}

.toc-widget__panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) scale(1);
}

.toc-widget__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 60vh;
  overflow-y: auto;
}

.toc-widget__item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--cs-text-muted);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
}

.toc-widget__item:hover {
  background: color-mix(in srgb, var(--cs-accent) 8%, var(--cs-bg));
  color: var(--cs-text);
}

.toc-widget__item.is-active {
  color: var(--cs-accent);
  background: color-mix(in srgb, var(--cs-accent) 10%, var(--cs-bg));
}

.toc-widget__item-num {
  font-size: 11px;
  font-weight: 700;
  color: var(--cs-accent);
  opacity: 0.6;
  min-width: 22px;
  font-variant-numeric: tabular-nums;
}

.toc-widget__item.is-active .toc-widget__item-num {
  opacity: 1;
}

.toc-widget__item-label {
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 768px) {
  .toc-widget {
    right: 20px;
    top: auto;
    bottom: 68px;
    transform: none;
  }
  .toc-widget__toggle {
    width: 44px;
    height: 44px;
  }
  .toc-widget__panel {
    min-width: 170px;
    top: auto;
    bottom: 52px;
    transform: scale(0.92);
    transform-origin: bottom right;
  }
  .toc-widget__panel.is-open {
    transform: scale(1);
  }
}

/* ─── Back to Top ─── */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--cs-border);
  background: var(--cs-bg);
  color: var(--cs-text);
  font-size: 20px;
  cursor: pointer;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.cs-page .back-to-top.visible:hover {
  background: color-mix(in srgb, var(--cs-accent) 8%, var(--cs-bg));
  border-color: var(--cs-accent);
  color: var(--cs-accent);
}

.cs-page .back-to-top.visible.at-bottom {
  background: var(--cs-accent);
  color: #fff;
  border-color: var(--cs-accent);
}

/* ─── Radar Pulse ─── */

@media (max-width: 768px) {
  .back-to-top {
    bottom: 16px;
    right: 20px;
    width: 44px;
    height: 44px;
    font-size: 18px;
  }
}