/* Case studies — editorial covers + archive (no fake product shots) */
:root {
  --cs-ink: #0b0b0b;
  --cs-muted: #5c5c5c;
  --cs-line: rgba(11, 11, 11, 0.1);
  --cs-paper: #f7f5f2;
  --cs-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---- Cover panels (CSS-only, zero image weight) ---- */
.cs-cover {
  --cs-accent: #f0460e;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  width: 100%;
  aspect-ratio: 16 / 10;
  background:
    radial-gradient(120% 90% at 88% 12%, color-mix(in srgb, var(--cs-accent) 72%, #fff) 0%, transparent 55%),
    linear-gradient(155deg, #121212 0%, #1a1a1a 42%, color-mix(in srgb, var(--cs-accent) 38%, #0a0a0a) 100%);
  color: #fff;
  contain: layout paint style;
  content-visibility: auto;
  contain-intrinsic-size: 800px 500px;
}

.cs-cover--hero {
  aspect-ratio: 21 / 9;
  min-height: min(58vh, 640px);
  contain-intrinsic-size: 1400px 600px;
}

.cs-cover--lead {
  aspect-ratio: 21 / 10;
  min-height: 420px;
}

.cs-cover--related {
  aspect-ratio: 16 / 11;
}

.cs-cover__glow {
  position: absolute;
  inset: auto -12% -28% auto;
  width: 55%;
  height: 70%;
  background: radial-gradient(circle, color-mix(in srgb, var(--cs-accent) 55%, transparent) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.cs-cover__noise {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, transparent 28%),
    linear-gradient(90deg, transparent 62%, rgba(0, 0, 0, 0.22) 100%);
}

.cs-cover__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 100%;
  height: 100%;
  padding: clamp(1.25rem, 3vw, 2.75rem);
}

.cs-cover__top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}

.cs-cover__title {
  margin: 0 0 0.55rem;
  max-width: 16ch;
  font-size: clamp(1.75rem, 4.2vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.02;
  text-wrap: balance;
}

.cs-cover--hero .cs-cover__title {
  font-size: clamp(2.25rem, 5.5vw, 5rem);
  max-width: 14ch;
}

.cs-cover__sector {
  margin: 0;
  max-width: 36ch;
  font-size: clamp(0.95rem, 1.4vw, 1.15rem);
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.78);
}

.cs-cover__logo-wrap {
  display: inline-flex;
  align-items: center;
  max-width: min(48vw, 220px);
}

.cs-cover__logo-wrap--plate {
  padding: 0.45rem 0.7rem;
  border-radius: 0.65rem;
  background: rgba(255, 255, 255, 0.94);
}

.cs-cover__logo {
  display: block;
  width: auto;
  max-width: min(42vw, 180px);
  height: 40px;
  object-fit: contain;
  object-position: left center;
}

.cs-cover--hero .cs-cover__logo {
  height: 52px;
  max-width: min(48vw, 220px);
}

.cs-cover__logo--light {
  filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.25));
}

/* ---- Detail page ---- */
.cs-page {
  --cs-accent: #f0460e;
  color: var(--cs-ink);
  padding: 9.5rem 0 6rem;
  background:
    radial-gradient(60% 40% at 0% 0%, color-mix(in srgb, var(--cs-accent) 10%, transparent), transparent 60%),
    #fff;
}

.cs-page__back {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 2.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cs-muted);
  text-decoration: none;
  transition: color 0.25s var(--cs-ease);
}

.cs-page__back:hover,
.cs-page__back:focus-visible {
  color: var(--cs-accent);
}

.cs-page__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
  margin-bottom: 1.25rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cs-muted);
}

.cs-page__title {
  margin: 0 0 1.35rem;
  max-width: 14ch;
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.98;
  text-wrap: balance;
}

.cs-page__lede {
  margin: 0 0 3rem;
  max-width: 42rem;
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  line-height: 1.55;
  color: var(--cs-muted);
}

.cs-page__hero {
  overflow: hidden;
  border-radius: 1.25rem;
  box-shadow: 0 28px 60px -36px rgba(0, 0, 0, 0.55);
  transform: translateZ(0);
}

.cs-page__body {
  padding-top: clamp(3.5rem, 7vw, 5.5rem);
}

.cs-page__brand {
  display: grid;
  gap: 1.5rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.cs-page__brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 1.1rem 1.35rem;
  border-radius: 1rem;
  background: var(--cs-paper);
  border: 1px solid var(--cs-line);
}

.cs-page__brand-logo img {
  display: block;
  width: auto;
  max-width: min(70vw, 240px);
  height: 64px;
  object-fit: contain;
}

.cs-page__gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.cs-page__gallery-item {
  margin: 0;
  overflow: hidden;
  border-radius: 1rem;
  background: #111;
}

.cs-page__gallery-item img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.cs-page__long {
  margin-bottom: clamp(2.75rem, 5vw, 4rem);
}

.cs-page__long--accent {
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-radius: 1.15rem;
  background: color-mix(in srgb, var(--cs-accent) 7%, #fff);
  border: 1px solid color-mix(in srgb, var(--cs-accent) 18%, transparent);
}

.cs-page__heading {
  margin: 0 0 1.25rem;
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.cs-page__prose {
  max-width: 68ch;
}

.cs-page__prose p,
.cs-page__block p {
  margin: 0 0 1.1rem;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--cs-muted);
}

.cs-page__prose p:last-child,
.cs-page__block p:last-child {
  margin-bottom: 0;
}

.cs-page__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  margin-bottom: clamp(3.5rem, 7vw, 5.5rem);
  align-items: start;
}

.cs-page__ai {
  position: sticky;
  top: 7rem;
  padding: 1.75rem;
  border-radius: 1rem;
  background: color-mix(in srgb, var(--cs-accent) 9%, #fff);
  border: 1px solid color-mix(in srgb, var(--cs-accent) 22%, transparent);
}

.cs-page__ai p {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.55;
  color: var(--cs-ink);
}

.cs-page__label {
  margin: 0 0 0.85rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cs-accent);
}

.cs-page__block + .cs-page__block {
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--cs-line);
}

.cs-page__block p,
.cs-page__narrative p {
  margin: 0;
  max-width: 62ch;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--cs-muted);
}

.cs-page__outcomes {
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
  padding: clamp(2rem, 4vw, 3rem) 0;
  border-top: 1px solid var(--cs-line);
  border-bottom: 1px solid var(--cs-line);
}

.cs-page__outcomes ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.cs-page__outcomes li {
  position: relative;
  padding: 1.15rem 0 1.15rem 1.5rem;
  border-bottom: 1px solid var(--cs-line);
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.cs-page__outcomes li:last-child {
  border-bottom: 0;
}

.cs-page__outcomes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.55rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--cs-accent);
}

.cs-page__stack {
  margin-bottom: clamp(3.5rem, 7vw, 5.5rem);
}

.cs-page__stack-list {
  margin: 0 0 0.75rem;
  max-width: 48rem;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.55;
  color: var(--cs-ink);
}

.cs-page__tags {
  margin: 0;
  font-size: 0.9rem;
  color: var(--cs-muted);
}

.cs-page__more {
  padding-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--cs-line);
}

.cs-page__more-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.cs-page__more-all {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cs-accent);
  text-decoration: none;
}

.cs-page__more-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.cs-page__more-item {
  display: block;
  text-decoration: none;
  color: inherit;
  content-visibility: auto;
  contain-intrinsic-size: 360px 320px;
}

.cs-page__more-item .cs-cover {
  border-radius: 0.9rem;
  margin-bottom: 1rem;
  transition: transform 0.55s var(--cs-ease);
}

.cs-page__more-item:hover .cs-cover,
.cs-page__more-item:focus-visible .cs-cover {
  transform: translateY(-4px);
}

.cs-page__more-item h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.cs-page__more-item p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--cs-muted);
}

/* ---- Archive / portfolio list ---- */
.cs-archive {
  background:
    radial-gradient(50% 35% at 100% 0%, rgba(240, 70, 14, 0.08), transparent 60%),
    #fff;
}

.cs-archive__title {
  margin: 0 0 1.25rem;
  font-size: clamp(2.75rem, 7vw, 5.25rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.98;
}

.cs-archive__lede {
  margin: 0;
  max-width: 38rem;
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  line-height: 1.55;
  color: var(--cs-muted);
}

.cs-archive__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 4vw, 3.25rem) clamp(1.25rem, 2.5vw, 2rem);
}

.cs-archive__item {
  display: block;
  text-decoration: none;
  color: inherit;
  content-visibility: auto;
  contain-intrinsic-size: 560px 520px;
}

.cs-archive__item--lead {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: end;
  padding-bottom: clamp(1rem, 2vw, 1.5rem);
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--cs-line);
}

.cs-archive__media {
  overflow: hidden;
  border-radius: 1rem;
  transform: translateZ(0);
}

.cs-archive__media .cs-cover {
  transition: transform 0.7s var(--cs-ease);
}

.cs-archive__item:hover .cs-cover,
.cs-archive__item:focus-visible .cs-cover {
  transform: scale(1.025);
}

.cs-archive__meta {
  margin: 1.1rem 0 0.55rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--cs-muted);
}

.cs-archive__item--lead .cs-archive__meta {
  margin-top: 0;
}

.cs-archive__name {
  margin: 0 0 0.7rem;
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  transition: color 0.25s var(--cs-ease);
}

.cs-archive__item--lead .cs-archive__name {
  font-size: clamp(1.85rem, 3.5vw, 3rem);
}

.cs-archive__item:hover .cs-archive__name,
.cs-archive__item:focus-visible .cs-archive__name {
  color: var(--cs-accent, #f0460e);
}

.cs-archive__summary {
  margin: 0;
  max-width: 42rem;
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--cs-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Home selected-work thumbs use CSS covers */
.mg-portfolio-thumb .cs-cover {
  border-radius: 0;
  width: 100%;
}

.mg-portfolio-thumb {
  overflow: hidden;
}

@media (max-width: 991.98px) {
  .cs-page__grid,
  .cs-archive__item--lead,
  .cs-page__more-grid {
    grid-template-columns: 1fr;
  }

  .cs-page__ai {
    position: static;
  }

  .cs-cover--hero {
    aspect-ratio: 16 / 10;
    min-height: 280px;
  }

  .cs-archive__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 575.98px) {
  .cs-page {
    padding-top: 7.5rem;
  }

  .cs-cover__inner {
    padding: 1.1rem;
  }

  .cs-cover__title {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cs-archive__media .cs-cover,
  .cs-page__more-item .cs-cover {
    transition: none;
  }

  .cs-archive__item:hover .cs-cover,
  .cs-page__more-item:hover .cs-cover {
    transform: none;
  }
}

@supports not (background: color-mix(in srgb, red 50%, white)) {
  .cs-cover {
    background: linear-gradient(155deg, #121212 0%, #1f1f1f 50%, #2a1210 100%);
  }

  .cs-page__ai {
    background: #fff5f1;
    border-color: #f7cfc2;
  }
}

/* Case studies: kill ScrollSmoother shell so native scroll works */
html.cs-native-scroll-html,
body.cs-native-scroll {
  overflow-x: hidden !important;
  overflow-y: auto !important;
  height: auto !important;
  max-height: none !important;
}

/* Case-study dark hero: force light brand lockup until scroll */
body.cs-native-scroll .site-header:not(.is-scrolled) .brand-logo .logo-for-light {
  display: none !important;
}
body.cs-native-scroll .site-header:not(.is-scrolled) .brand-logo .logo-for-dark {
  display: block !important;
}
body.cs-native-scroll .site-header:not(.is-scrolled) .at-main-menu a {
  color: rgba(255, 255, 255, 0.82) !important;
}

body.cs-native-scroll #smooth-wrapper,
body.cs-native-scroll #smooth-content {
  position: static !important;
  width: 100% !important;
  height: auto !important;
  min-height: 0 !important;
  overflow: visible !important;
  transform: none !important;
  inset: auto !important;
}

body.cs-native-scroll #smooth-content {
  pointer-events: auto !important;
}

body.cs-native-scroll #smooth-content main {
  will-change: auto !important;
  transform: none !important;
}

body.cs-native-scroll .footer-fixed-bottom {
  position: relative !important;
  inset: auto !important;
  transform: none !important;
}

body.cs-native-scroll .footer-placeholder {
  display: none !important;
}

/* ---- Flagship case study (AI Olympiad template) ---- */
.cs-flag {
  --cs-accent: #e23b40;
  --cs-ink: #050505;
  --cs-muted: #4a5160;
  color: var(--cs-ink);
  background:
    radial-gradient(55% 40% at 100% 0%, color-mix(in srgb, var(--cs-accent) 16%, transparent), transparent 70%),
    #f7f5f1;
}

.cs-flag__hero {
  position: relative;
  overflow: hidden;
  padding: 9.5rem 0 3.5rem;
  background:
    radial-gradient(80% 60% at 15% 0%, rgba(226, 59, 64, 0.22), transparent 55%),
    linear-gradient(165deg, #05070d 0%, #101826 55%, #1a1020 100%);
  color: #fff;
}

.cs-flag__hero h1,
.cs-flag__hero .cs-flag__title,
.cs-flag__hero .cs-flag__lede,
.cs-flag__hero .cs-flag__meta,
.cs-flag__hero .cs-flag__back,
.cs-flag__hero .cs-flag__ai-text,
.cs-flag__hero .cs-flag__ai-points li {
  color: #fff;
}

.cs-flag__hero .cs-flag__lede,
.cs-flag__hero .cs-flag__meta,
.cs-flag__hero .cs-flag__back {
  color: rgba(255, 255, 255, 0.72);
}

.cs-flag__hero .cs-flag__ai-points li {
  color: rgba(255, 255, 255, 0.72);
}

.cs-flag__hero-glow {
  position: absolute;
  inset: auto -10% -40% 40%;
  height: 70%;
  background: radial-gradient(circle, rgba(226, 59, 64, 0.28), transparent 65%);
  pointer-events: none;
}

.cs-flag__hero-inner {
  position: relative;
  z-index: 1;
}

.cs-flag__back {
  display: inline-flex;
  margin-bottom: 2rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
}

.cs-flag__back:hover {
  color: #fff;
}

.cs-flag__hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.95fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.cs-flag__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.62);
}

.cs-flag__title {
  margin: 0 0 1.1rem;
  max-width: 11ch;
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
}

.cs-flag__lede {
  margin: 0 0 1.75rem;
  max-width: 40rem;
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.78);
}

.cs-flag__logo-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.cs-flag__logo-row--hero {
  margin-bottom: 1.75rem;
}

.cs-flag__logo {
  display: block;
  width: min(100%, 320px);
  height: auto;
  max-height: 52px;
  object-fit: contain;
  object-position: left center;
  background: #000;
  padding: 0.5rem 0.75rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.cs-flag__logo--alt {
  max-width: 220px;
  max-height: 42px;
  opacity: 0.92;
}

.cs-flag__title {
  max-width: 12ch;
}

.cs-flag__ai-panel {
  padding: 1.65rem 1.5rem;
  border-radius: 1.1rem;
  background: rgba(8, 10, 16, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 18px 40px -24px rgba(0, 0, 0, 0.8);
}

.cs-flag__ai-label {
  margin: 0 0 0.7rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cs-accent);
}

.cs-flag__ai-text {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.92);
}

.cs-flag__ai-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.cs-flag__ai-points li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

.cs-flag__ai-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--cs-accent);
}

.cs-flag__flow,
.cs-flag__metrics,
.cs-flag__body {
  padding: clamp(2.75rem, 6vw, 4.5rem) 0;
}

.cs-flag__section-head {
  margin-bottom: 1.5rem;
}

.cs-flag__section-head h2,
.cs-flag__long h2,
.cs-flag__outcomes h2,
.cs-flag__stack h2,
.cs-flag__prose-block h2,
.cs-flag__more-head h2,
.cs-flag__tech .cs-flag__section-head h2,
.cs-flag__principles .cs-flag__section-head h2 {
  margin: 0 0 0.55rem;
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: #050505;
}

.cs-flag__tech .cs-flag__section-head h2 {
  color: #fff;
}

.cs-flag__section-head p {
  margin: 0;
  max-width: 42rem;
  color: var(--cs-muted);
  line-height: 1.5;
}

.cs-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.75rem;
}

.cs-flow__step {
  position: relative;
  display: grid;
  gap: 0.35rem;
  padding: 1.1rem 0.9rem 1.15rem;
  border-radius: 0.95rem;
  background: #fff;
  border: 1px solid var(--cs-line);
}

.cs-flow__step strong {
  font-size: 0.98rem;
  letter-spacing: -0.02em;
}

.cs-flow__step > span:last-child {
  font-size: 0.84rem;
  line-height: 1.4;
  color: var(--cs-muted);
}

.cs-flow__node {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--cs-accent);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--cs-accent) 45%, transparent);
}

.cs-flow.is-live .cs-flow__node {
  animation: cs-pulse 1.8s ease-out infinite;
  animation-delay: calc(var(--i, 0) * 120ms);
}

@keyframes cs-pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--cs-accent) 45%, transparent); }
  70% { box-shadow: 0 0 0 12px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.cs-flag__metrics {
  background: #fff;
  border-block: 1px solid var(--cs-line);
}

.cs-flag__metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.cs-flag__metric {
  padding: 1.25rem 1rem;
  border-radius: 1rem;
  background: var(--cs-paper);
  border: 1px solid var(--cs-line);
}

.cs-flag__metric-value {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.cs-flag__metric-label {
  margin: 0.55rem 0 0;
  font-size: 0.86rem;
  color: var(--cs-muted);
}

.cs-flag__metrics-note {
  margin: 1rem 0 0;
  font-size: 0.82rem;
  color: var(--cs-muted);
}

.cs-flag__split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.25rem, 3vw, 2rem);
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.cs-flag__prose-block {
  padding: 1.5rem;
  border-radius: 1.1rem;
  background: #fff;
  border: 1px solid var(--cs-line);
}

.cs-flag__prose-block p,
.cs-flag__prose p {
  margin: 0 0 1rem;
  color: var(--cs-muted);
  line-height: 1.7;
  font-size: 1.02rem;
}

.cs-flag__prose-block p:last-child,
.cs-flag__prose p:last-child {
  margin-bottom: 0;
}

.cs-flag__prose--wide,
.cs-flag__prose--dense {
  max-width: 54rem;
  columns: 1;
}

.cs-flag__prose--dense p {
  max-width: 54rem;
}

.cs-flag__arch {
  margin-bottom: clamp(2.5rem, 5vw, 3.75rem);
}

.cs-flag__arch-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
}

.cs-flag__arch-item {
  padding: 1.15rem;
  border-radius: 0.95rem;
  background: #0f1522;
  color: #fff;
  min-height: 100%;
}

.cs-flag__arch-item h3 {
  margin: 0 0 0.55rem;
  font-size: 1rem;
  letter-spacing: -0.02em;
  color: #fff !important;
}

.cs-flag__arch-item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.78) !important;
}

.cs-flag__fill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 0.85rem;
  width: 100%;
}

.cs-flag__fill-card {
  padding: 1.25rem 1.3rem;
  border-radius: 1rem;
  background: #fff;
  border: 1px solid var(--cs-line);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
}

.cs-flag__fill-num {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--cs-accent);
  padding-top: 0.15rem;
}

.cs-flag__fill-card p {
  margin: 0;
  color: #2f3540;
  line-height: 1.55;
  font-size: 0.98rem;
}

.cs-flag__long--accent .cs-flag__fill-card {
  background: rgba(255, 255, 255, 0.72);
  border-color: color-mix(in srgb, var(--cs-accent) 18%, transparent);
}

.cs-flag__asset-stage {
  margin: 0;
  padding: 2.5rem 2rem;
  border-radius: 1.2rem;
  background: #05070d;
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  place-items: center;
  gap: 1rem;
  text-align: center;
}

.cs-flag__asset-stage img {
  max-width: min(100%, 420px);
  width: 100%;
  height: auto;
  display: block;
}

.cs-flag__asset-stage figcaption {
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.88rem;
  max-width: 36rem;
  line-height: 1.45;
}

.cs-diagram {
  margin: 0 0 clamp(2.25rem, 4vw, 3.25rem);
  padding: 1.4rem;
  border-radius: 1.15rem;
  background: #fff;
  border: 1px solid var(--cs-line);
}

.cs-diagram__lanes {
  display: grid;
  gap: 0.85rem;
}

.cs-diagram__lane {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 0.85rem;
  align-items: center;
}

.cs-diagram__lane-label {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cs-accent);
}

.cs-diagram__nodes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.cs-diagram__node {
  padding: 0.7rem 0.95rem;
  border-radius: 0.8rem;
  background: #0f1522;
  color: #fff !important;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.cs-diagram__node span {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.65);
}

.cs-diagram__hint {
  margin: 0.9rem 0 0;
  color: var(--cs-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.cs-flag__viz-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: clamp(1.25rem, 3vw, 2rem);
  margin-bottom: clamp(2.5rem, 5vw, 3.75rem);
}

.cs-flag__chart,
.cs-flag__split-viz {
  padding: 1.35rem;
  border-radius: 1.1rem;
  background: #fff;
  border: 1px solid var(--cs-line);
}

.cs-bars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.cs-bars__row {
  display: grid;
  grid-template-columns: 7.5rem 1fr 2.4rem;
  gap: 0.65rem;
  align-items: center;
}

.cs-bars__name {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.cs-bars__track {
  height: 0.55rem;
  border-radius: 999px;
  background: rgba(7, 11, 20, 0.08);
  overflow: hidden;
}

.cs-bars__fill {
  display: block;
  height: 100%;
  width: var(--bar);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cs-accent), #ff7a5c);
  transform-origin: left center;
  animation: cs-bar-in 1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes cs-bar-in {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.cs-bars__val {
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--cs-muted);
}

.cs-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.cs-split__band {
  text-align: left;
}

.cs-split__meter {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 0.85rem;
}

.cs-split__meter strong {
  font-size: 1.65rem;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.cs-split__meter-track {
  height: 0.7rem;
  border-radius: 999px;
  background: rgba(7, 11, 20, 0.08);
  overflow: hidden;
}

.cs-split__meter-fill {
  height: 100%;
  width: var(--p);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cs-accent), #ff7a5c);
}

.cs-split__label {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
}

.cs-split__count {
  margin: 0.25rem 0 0;
  font-size: 0.84rem;
  color: var(--cs-muted);
}

.cs-flag__long {
  margin-bottom: clamp(2.25rem, 4vw, 3.25rem);
}

.cs-flag__long--accent {
  padding: clamp(1.4rem, 3vw, 2rem);
  border-radius: 1.15rem;
  background: color-mix(in srgb, var(--cs-accent) 8%, #fff);
  border: 1px solid color-mix(in srgb, var(--cs-accent) 20%, transparent);
}

.cs-flag__tech {
  margin-bottom: clamp(2.25rem, 4vw, 3.25rem);
  padding: 1.4rem;
  border-radius: 1.1rem;
  background: #0f1522;
  color: #fff;
}

.cs-flag__tech .cs-flag__section-head p {
  color: rgba(255, 255, 255, 0.65);
}

.cs-flag__tech-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.cs-flag__tech-list li {
  position: relative;
  padding: 0.85rem 0 0.85rem 1.15rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.98rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.82);
}

.cs-flag__tech-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.25rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--cs-accent);
}

.cs-flag__assets {
  margin-bottom: clamp(2.25rem, 4vw, 3.25rem);
}

.cs-flag__assets-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1rem;
}

.cs-flag__assets-grid--compact {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  max-width: 44rem;
}

.cs-flag__principles {
  margin-bottom: clamp(2.25rem, 4vw, 3.25rem);
}

.cs-principles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.cs-principles__item {
  padding: 1.2rem 1.25rem;
  border-radius: 1rem;
  background: #fff;
  border: 1px solid var(--cs-line);
}

.cs-principles__item h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: #050505;
  font-weight: 700;
}

.cs-principles__item p {
  margin: 0;
  color: var(--cs-muted);
  line-height: 1.5;
  font-size: 0.95rem;
}

.cs-stack-x {
  display: grid;
  gap: 1rem;
  margin-bottom: 1rem;
}

.cs-stack-x__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.cs-stack-x__tab {
  text-align: left;
  padding: 0.85rem 1rem;
  border-radius: 0.85rem;
  border: 1px solid var(--cs-line);
  background: #fff;
  cursor: pointer;
  min-width: 9.5rem;
  flex: 1 1 9.5rem;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.cs-stack-x__tab:hover,
.cs-stack-x__tab.is-active {
  border-color: color-mix(in srgb, var(--cs-accent) 55%, transparent);
  background: color-mix(in srgb, var(--cs-accent) 8%, #fff);
  transform: translateY(-1px);
}

.cs-stack-x__tab strong {
  display: block;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  color: #050505;
}

.cs-stack-x__tab span {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.78rem;
  color: var(--cs-muted);
}

.cs-stack-x__panel {
  position: relative;
  padding: 1.6rem 1.75rem;
  border-radius: 1.15rem;
  background: #0f1522;
  color: #fff;
  min-height: 10.5rem;
  display: grid;
  align-content: center;
  gap: 0.55rem;
  transition: opacity 0.2s ease;
}

.cs-stack-x__panel.is-switching {
  opacity: 0.45;
}

.cs-stack-x__index {
  position: absolute;
  right: 1.25rem;
  top: 1.15rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.4);
  font-weight: 700;
}

.cs-stack-x__role {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cs-accent);
}

.cs-stack-x__name {
  margin: 0;
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  letter-spacing: -0.03em;
  font-weight: 700;
  color: #fff !important;
}

.cs-stack-x__detail {
  margin: 0;
  max-width: 48rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 991.98px) {
  .cs-principles,
  .cs-flag__fill-grid {
    grid-template-columns: 1fr;
  }
}

.cs-flag__asset {
  margin: 0;
  overflow: hidden;
  border-radius: 1rem;
  border: 1px solid var(--cs-line);
  background: #fff;
}

.cs-flag__asset--dark {
  background: #000;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.cs-flag__asset img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.cs-flag__outcomes ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.cs-flag__outcomes li {
  padding: 1rem 1rem 1rem 1.35rem;
  border-radius: 0.9rem;
  background: #fff;
  border: 1px solid var(--cs-line);
  position: relative;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.cs-flag__outcomes li::before {
  content: "";
  position: absolute;
  left: 0.7rem;
  top: 1.25rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--cs-accent);
}

.cs-flag__stack {
  margin: 2rem 0 3rem;
}

.cs-flag__stack-list {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.cs-flag__tags {
  margin: 0;
  color: var(--cs-muted);
}

.cs-flag__more {
  padding-top: 2rem;
  border-top: 1px solid var(--cs-line);
}

.cs-flag__more-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1.25rem;
}

.cs-flag__more-head a {
  color: var(--cs-accent);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
}

.cs-flag__more-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.cs-flag__more-item {
  text-decoration: none;
  color: inherit;
}

.cs-flag__more-item h3 {
  margin: 0.85rem 0 0.3rem;
  font-size: 1.05rem;
}

.cs-flag__more-item p {
  margin: 0;
  color: var(--cs-muted);
  font-size: 0.88rem;
}

.cs-page__intro-logo {
  display: inline-flex;
  margin: 0 0 1.5rem;
  padding: 0.75rem 1rem;
  border-radius: 0.85rem;
  background: #fff;
  border: 1px solid var(--cs-line, rgba(11, 11, 11, 0.1));
}

.cs-page__intro-logo--dark {
  background: #000;
  border-color: #000;
}

.cs-page__intro-logo img {
  display: block;
  width: auto;
  max-width: min(80vw, 320px);
  height: 56px;
  object-fit: contain;
}

.cs-archive__logo {
  display: block;
  width: auto;
  max-width: 180px;
  height: 40px;
  object-fit: contain;
  object-position: left center;
  margin-bottom: 0.85rem;
}

.cs-archive__logo--on-dark {
  padding: 0.45rem 0.65rem;
  border-radius: 0.55rem;
  background: #000;
}

@media (max-width: 991.98px) {
  .cs-flag__hero-grid,
  .cs-flag__split-grid,
  .cs-flag__viz-grid,
  .cs-flag__arch-grid,
  .cs-flag__assets-grid,
  .cs-flag__fill-grid,
  .cs-flag__outcomes ul,
  .cs-flag__more-grid,
  .cs-flag__metrics-grid,
  .cs-diagram__lane {
    grid-template-columns: 1fr;
  }

  .cs-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cs-flag__hero {
    padding-top: 7.5rem;
  }
}

@media (max-width: 575.98px) {
  .cs-flow {
    grid-template-columns: 1fr;
  }

  .cs-bars__row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .cs-split {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cs-flow__step,
  .cs-flag [data-cs-reveal],
  .cs-bars__fill {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    width: var(--bar) !important;
  }

  .cs-flow.is-live .cs-flow__node {
    animation: none;
  }
}