/* ==========================================================================
   pages.css — rules that belong to one page only.
   Anything reused across pages lives in components.css instead.
   ========================================================================== */

/* ==========================================================================
   Homepage
   ========================================================================== */

.home-hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  background: var(--color-ink-deep);
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--color-border);
}

.home-hero__stack { position: absolute; inset: 0; z-index: 0; background: #0D151A; }

.home-hero__frame {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.home-hero__frame.is-active { opacity: 1; }
.home-hero__frame img { width: 100%; height: 100%; object-fit: cover; }

.home-hero__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(0, 14, 27, 0.82) 0%, rgba(0, 14, 27, 0.58) 42%, rgba(0, 14, 27, 0.88) 100%);
}

.home-hero__inner {
  position: relative;
  z-index: 2;
  margin-top: auto;
  padding: 0 var(--gutter-wide) clamp(40px, 7vh, 96px);
}

.home-hero__stages {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(10px, 2vw, 26px);
  margin-top: clamp(24px, 4vh, 44px);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.24);
}

.home-hero__stage {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--ls-label);
  color: rgba(255, 255, 255, 0.54);
  padding: 6px 0;
  transition: color var(--t-fast);
}
.home-hero__stage.is-active { color: var(--color-accent-on-dark); }

/* Positioning statement — oversized left rail label */
.home-positioning {
  display: flex;
  gap: clamp(20px, 4vw, 56px);
  align-items: flex-start;
}

.home-positioning__rail {
  flex: 0 0 clamp(0px, 7vw, 120px);
  padding-top: 10px;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* Capability accordion with a figure inside each panel */
.home-capability__panel-media {
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: 6px;
  background: var(--color-blue-light);
}
.home-capability__panel-media img { width: 100%; height: 100%; object-fit: cover; }

.home-capability__panel-body {
  margin-top: 14px;
  font-size: var(--fs-body-xs);
  line-height: var(--lh-body);
  color: var(--color-text-secondary);
}

/* Taste statement */
.home-taste__head {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 4vw, 56px);
  align-items: flex-end;
  justify-content: space-between;
}

.home-taste__title {
  flex: 1 1 520px;
  min-width: 0;
  font-size: clamp(42px, 8vw, 104px);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.94;
  color: var(--color-text);
  max-width: 14ch;
}

/* Clinical band with background video */
.home-clinical__band {
  position: relative;
  width: 100%;
  aspect-ratio: 21 / 9;
  min-height: 380px;
  background: var(--color-blue-light);
  overflow: hidden;
}

.home-clinical__band img,
.home-clinical__band video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.home-clinical__band video { opacity: 0; transition: opacity 0.6s ease; }
.home-clinical__band video.is-playing { opacity: 1; }

.home-clinical__overlay {
  position: absolute;
  right: var(--gutter-wide);
  top: clamp(28px, 5vh, 56px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-end;
  pointer-events: none;
}

.home-clinical__tag {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--ls-kicker);
  color: var(--color-white);
  background: rgba(24, 33, 38, 0.55);
  padding: 8px 12px;
}

/* Case study section — oversized ghost numeral */
.home-case { position: relative; overflow: hidden; }

.home-case__ghost {
  position: absolute;
  right: -0.08em;
  top: clamp(30px, 5vh, 72px);
  font-size: clamp(120px, 18vw, 280px);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.8;
  color: var(--color-surface);
  pointer-events: none;
  user-select: none;
}

.home-case__inner { position: relative; }

.home-case__media {
  flex: 1 1 auto;
  aspect-ratio: 4 / 5;
  background: var(--color-blue-light);
  overflow: hidden;
  border-radius: var(--radius);
}
.home-case__media img { width: 100%; height: 100%; object-fit: cover; }

/* ==========================================================================
   Quality, facilities & scientific team — chapter jump links
   ========================================================================== */

.chapter-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: clamp(24px, 3.4vh, 34px);
}

.chapter-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-white);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 14px 18px;
  border: 1px solid rgba(255, 255, 255, 0.46);
  border-radius: var(--radius);
}
.chapter-link:hover {
  color: var(--color-white);
  border-color: var(--color-accent-on-dark);
  background: rgba(255, 255, 255, 0.1);
}

.chapter-link__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--color-accent-on-dark);
}

/* ==========================================================================
   Analytical sciences — service groups
   ========================================================================== */

.service-groups {
  margin-top: clamp(16px, 2.2vh, 22px);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 196px), 1fr));
  gap: clamp(18px, 2.4vw, 36px);
}

.service-group { min-width: 0; display: flex; flex-direction: column; }

.service-group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border-strong);
}

.service-group__name {
  min-width: 0;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--color-text);
}

.service-group__count {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--fs-note);
  letter-spacing: 0.14em;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   How we work — phase bars
   ========================================================================== */

.phase { min-width: 0; }

.phase__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.phase__name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-text);
}

.phase__bar {
  display: block;
  margin-top: 14px;
  height: 8px;
}

/* ==========================================================================
   Case studies — future themes
   ========================================================================== */

.theme-grid {
  margin-top: clamp(22px, 3vh, 32px);
  padding-top: clamp(14px, 2vh, 18px);
  border-top: 2px solid var(--color-border-strong);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 232px), 1fr));
  gap: 0 clamp(22px, 3vw, 52px);
}

.theme {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 0 17px;
  border-top: 1px solid var(--color-border);
}

.theme::before {
  content: "";
  flex: 0 0 auto;
  width: 4px;
  height: 4px;
  margin-top: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}

.theme__name {
  min-width: 0;
  font-size: clamp(16px, 1.25vw, 18.5px);
  font-weight: 600;
  letter-spacing: -0.016em;
  line-height: 1.3;
  color: var(--color-text);
}

/* ==========================================================================
   404
   ========================================================================== */

.error-page {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--color-bg);
  padding: var(--section-y-loose) var(--gutter);
}

.error-page__code {
  font-family: var(--font-mono);
  font-size: var(--fs-kicker);
  letter-spacing: var(--ls-kicker);
  color: var(--color-accent);
}

/* ==========================================================================
   Homepage — closing visual: falling dosage-form particles
   Purely decorative; disabled under prefers-reduced-motion by main.css.
   ========================================================================== */

.particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  top: 34%;
  border-radius: 50%;
}

@keyframes fall {
  0%   { top: 34%; opacity: 0; transform: translateX(0) scale(0.55); }
  18%  { opacity: 1; transform: translateX(0) scale(1); }
  78%  { opacity: 0.85; }
  100% { top: 78%; opacity: 0; transform: translateX(0) scale(0.5); }
}

@keyframes fall-left {
  0%   { top: 34%; opacity: 0; transform: translateX(0) scale(0.55); }
  18%  { opacity: 1; transform: translateX(-10px) scale(1); }
  78%  { opacity: 0.8; }
  100% { top: 78%; opacity: 0; transform: translateX(-40px) scale(0.5); }
}

@keyframes fall-right {
  0%   { top: 34%; opacity: 0; transform: translateX(0) scale(0.55); }
  18%  { opacity: 1; transform: translateX(10px) scale(1); }
  78%  { opacity: 0.8; }
  100% { top: 78%; opacity: 0; transform: translateX(40px) scale(0.5); }
}

/* Homepage capability selector: list on the left, image on the right */
.cap-select { display: flex; align-items: stretch; gap: clamp(28px, 4vw, 72px); }
.cap-select__list { flex: 0 1 40%; min-width: min(100%, 250px); display: flex; flex-direction: column; }
.cap-select__view { flex: 1 1 58%; min-width: 0; display: flex; flex-direction: column; }

.cap-row {
  display: flex;
  align-items: baseline;
  gap: clamp(14px, 1.6vw, 26px);
  width: 100%;
  padding: clamp(16px, 2.1vh, 26px) 0;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

.cap-row__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--color-text-secondary);
  transition: color var(--t-base);
}

.cap-row__title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: clamp(17px, 1.4vw, 20px);
  letter-spacing: -0.014em;
  line-height: 1.3;
  font-weight: 400;
  color: var(--color-text-secondary);
  transition: color var(--t-base);
}

.cap-row__rule {
  flex: 0 0 auto;
  display: block;
  height: 1px;
  width: 0;
  background: var(--color-blue);
  transition: width 0.35s var(--ease-out);
  align-self: center;
}

.cap-row.is-active .cap-row__num { color: var(--color-accent); }
.cap-row.is-active .cap-row__title { font-weight: 600; color: var(--color-text); }
.cap-row.is-active .cap-row__rule { width: 34px; }

.cap-select__media {
  position: relative;
  flex: 1 1 auto;
  width: 100%;
  min-height: clamp(240px, 34vh, 420px);
  overflow: hidden;
  border-radius: 6px;
  background: var(--color-blue-light);
}
.cap-select__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.5s ease;
}
.cap-select__media img.is-active { opacity: 1; }

/* ==========================================================================
   Development process — scroll-driven rail (wide screens)
   ========================================================================== */

/* The scroll rail needs a zero-padding, full-bleed host: .proc-sticky owns
   its own padding and .proc-media / .proc-desc bleed to the right edge.
   The narrow branch therefore carries the section padding itself. */
.proc-outer { height: calc(100vh + 2400px); position: relative; }

.proc-stacked { padding: clamp(84px, 10vh, 128px) var(--gutter-wide); }

.proc-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.8vh, 24px);
  padding: clamp(56px, 9vh, 120px) 0 clamp(20px, 3vh, 32px);
}

.proc-stage-area { position: relative; flex: 1 1 auto; min-height: clamp(270px, 44vh, 580px); }

.proc-intro {
  position: absolute;
  left: var(--gutter-wide);
  top: 0;
  z-index: 2;
  width: min(480px, 42%);
}

.proc-heading {
  position: absolute;
  left: var(--gutter-wide);
  bottom: 0;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  gap: 20px;
}

.proc-heading__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--ls-label);
  color: var(--color-blue);
  padding-bottom: clamp(6px, 1.4vh, 16px);
}

.proc-heading__key {
  font-size: clamp(30px, 4.6vw, 68px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1;
  color: var(--color-text);
}

.proc-media {
  position: absolute;
  left: max(280px, 30%);
  right: 0;
  top: calc(-1 * clamp(56px, 9vh, 120px));
  bottom: 0;
  z-index: 0;
  background: var(--color-blue-light);
  overflow: hidden;
}

.proc-frame {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.55s ease;
}
.proc-frame.is-active { opacity: 1; }
.proc-frame img { width: 100%; height: 100%; object-fit: cover; }

.proc-media__fade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, var(--color-bg) 0%, rgba(248, 248, 245, 0.82) 14%, rgba(248, 248, 245, 0) 38%);
}

.proc-desc {
  position: absolute;
  right: 0;
  bottom: 0;
  max-width: min(58%, 480px);
  background: rgba(24, 33, 38, 0.82);
  border-top: 2px solid var(--color-blue);
  padding: clamp(16px, 1.8vw, 24px) var(--gutter-wide) clamp(16px, 1.8vw, 24px) clamp(18px, 2vw, 28px);
  font-size: 15.5px;
  line-height: 1.62;
  color: var(--color-white);
}

.proc-fig {
  position: absolute;
  right: var(--gutter-wide);
  top: 0;
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--ls-kicker);
  text-transform: uppercase;
  color: var(--color-white);
  background: rgba(24, 33, 38, 0.62);
  padding: 6px 10px;
  pointer-events: none;
}

.proc-track-wrap {
  position: relative;
  z-index: 2;
  flex: 0 0 auto;
  overflow: hidden;
  padding-left: var(--gutter-wide);
}

.proc-track {
  display: flex;
  width: max-content;
  transition: transform 0.4s var(--ease-out);
}

.proc-card {
  width: clamp(260px, 26vw, 380px);
  padding-right: clamp(20px, 3vw, 48px);
  flex: 0 0 auto;
  text-align: left;
  background: transparent;
}

.proc-card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--color-text-secondary);
  transition: color var(--t-base);
}
.proc-card.is-active .proc-card__num { color: var(--color-blue); }

.proc-card__line { position: relative; height: 26px; margin-top: 14px; }
.proc-card__line::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 12px;
  height: 1px;
  background: var(--color-border);
}

.proc-card__dot {
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-white);
  border: 1px solid var(--color-blue-mid);
  transition: all var(--t-base);
}
.proc-card.is-active .proc-card__dot {
  top: 6px;
  width: 13px;
  height: 13px;
  background: var(--color-blue);
  border-color: var(--color-blue);
}

.proc-card__label {
  display: block;
  margin-top: 14px;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--color-text-secondary);
  max-width: 15ch;
  transition: color var(--t-base);
}
.proc-card.is-active .proc-card__label { font-weight: 600; color: var(--color-text); }

.proc-bar-wrap { position: relative; z-index: 2; flex: 0 0 auto; padding: 0 var(--gutter-wide); }
.proc-bar { position: relative; height: 2px; background: var(--color-border); }
.proc-bar__fill { position: absolute; left: 0; top: 0; height: 2px; width: 0; background: var(--color-blue); }

/* Taste factor list — tick grows on the selected factor */
.taste-tab {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--t-base), border-color var(--t-base);
}
.taste-tab:hover { color: var(--color-text); }
.taste-tab__tick { display: block; width: 12px; height: 2px; background: var(--color-border); transition: width var(--t-base), background var(--t-base); }
.taste-tab.is-active { color: var(--color-text); border-bottom-color: var(--color-accent); }
.taste-tab.is-active .taste-tab__tick { width: 26px; background: var(--color-accent); }

/* Differentiator index */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  border-bottom: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.diff {
  min-width: 0;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 3vw, 38px);
  padding: clamp(20px, 2.2vw, 30px) clamp(18px, 2vw, 28px) clamp(24px, 3vw, 40px);
  border-right: 1px solid var(--color-border);
  border-top: 1px solid var(--color-border);
  background: transparent;
  transition: background var(--t-base);
}
.diff:hover, .diff:focus-visible { background: var(--color-white); }

.diff__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.diff__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--ls-label);
  color: var(--color-text-secondary);
  transition: color var(--t-base);
}
.diff:hover .diff__num, .diff:focus-visible .diff__num { color: var(--color-accent); }

.diff__arrow { color: var(--color-blue); opacity: 0; transform: translateX(-6px); transition: opacity var(--t-base), transform 0.4s var(--ease-out); }
.diff:hover .diff__arrow, .diff:focus-visible .diff__arrow { opacity: 1; transform: none; }

.diff__title {
  font-size: clamp(17px, 1.5vw, 21px);
  font-weight: 600;
  letter-spacing: -0.022em;
  line-height: 1.24;
  color: var(--color-text-secondary);
  transition: color var(--t-base);
}
.diff:hover .diff__title, .diff:focus-visible .diff__title { color: var(--color-text); }

/* Development process — stacked stages */
.process-stage { min-width: 0; }
.process-stage__media {
  width: 100%;
  aspect-ratio: 3 / 2;
  background: var(--color-blue-light);
  overflow: hidden;
}
.process-stage__media img { width: 100%; height: 100%; object-fit: cover; }

/* Clinical panel overlapping the band */
.home-clinical__panel {
  position: relative;
  z-index: 2;
  max-width: 470px;
  margin: clamp(-56px, -7vw, -28px) var(--gutter-wide) 0;
  background: var(--color-bg);
  border-top: 2px solid var(--color-blue);
  padding: clamp(26px, 3vw, 40px);
}

@media (max-width: 1023px) {
  .cap-select { flex-direction: column; }
  .cap-select__list, .cap-select__view { flex-basis: auto; }
}

/* ==========================================================================
   Case studies — hub, three case files, homepage selector
   ========================================================================== */

.cs-hero {
  position: relative;
  overflow: hidden;
  background: #10273E;
  color: var(--color-text-on-dark);
  padding: calc(var(--header-h) + clamp(40px, 7vh, 84px)) var(--gutter) clamp(44px, 7vh, 84px);
}
.cs-hero__num {
  position: absolute;
  right: -0.04em;
  bottom: -0.17em;
  font-size: clamp(170px, 27vw, 430px);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.8;
  color: rgba(255, 255, 255, 0.06);
  pointer-events: none;
  user-select: none;
}
.cs-hero .container { position: relative; }
.cs-hero__title { color: var(--color-white); max-width: 21ch; margin-top: 18px; }
.cs-hero__lead { margin-top: clamp(16px, 2.4vh, 24px); max-width: 54ch; font-size: clamp(17px, 1.5vw, 21px); line-height: 1.5; color: var(--color-text-on-dark-mid); }
.cs-hero__concept { margin-top: 14px; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: var(--ls-kicker); text-transform: uppercase; color: var(--color-text-on-dark-low); }

.cs-meta {
  margin-top: clamp(36px, 5.6vh, 64px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 0 clamp(20px, 3vw, 48px);
}
.cs-meta__col { min-width: 0; padding-top: 16px; border-top: 1px solid var(--color-border-on-dark); }
.cs-meta__col:first-child { border-top: 2px solid var(--color-accent-on-dark); padding-top: 15px; }
.cs-meta__text { margin-top: 10px; font-size: 15px; line-height: 1.55; color: var(--color-white); }

/* Hub hero numerals */
.cs-hub-hero { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 80px); align-items: end; }
.cs-numerals { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(12px, 1.6vw, 24px); list-style: none; }
.cs-numerals li { min-width: 0; border-top: 1px solid var(--color-border-on-dark); padding-top: 12px; }
.cs-numerals li:first-child { border-top: 2px solid var(--color-accent-on-dark); padding-top: 11px; }
.cs-numerals__n { display: block; font-size: clamp(54px, 7vw, 112px); font-weight: 800; letter-spacing: -0.05em; line-height: 0.9; color: var(--color-white); }
.cs-numerals__t { display: block; margin-top: 12px; font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.14em; line-height: 1.6; text-transform: uppercase; color: var(--color-text-on-dark-low); }
.cs-hub-intro { margin-top: clamp(24px, 3.4vh, 36px); padding-top: 18px; border-top: 1px solid var(--color-border-on-dark); max-width: 60ch; }
.cs-hub-intro strong { display: block; font-size: clamp(17px, 1.5vw, 21px); font-weight: 600; letter-spacing: -0.014em; color: var(--color-white); }
.cs-hub-intro p { margin-top: 10px; font-size: 15.5px; line-height: 1.62; color: var(--color-text-on-dark-mid); }

/* Section heading row */
.cs-head { display: flex; align-items: baseline; gap: 16px; padding-bottom: 14px; border-bottom: 2px solid var(--color-border-strong); }
.cs-head__n { font-family: var(--font-mono); font-size: 10px; letter-spacing: var(--ls-kicker); color: var(--color-accent-dark); }
.cs-head .h2, .cs-head .h2--small { min-width: 0; }

/* At a glance — case files */
.cs-files { list-style: none; margin-top: clamp(28px, 4vh, 44px); }
.cs-file {
  display: grid;
  grid-template-columns: clamp(96px, 13vw, 200px) minmax(0, 1.55fr) minmax(0, 1fr);
  gap: clamp(20px, 3vw, 52px);
  padding: clamp(28px, 4vh, 44px) 0;
  border-bottom: 1px solid var(--color-border);
}
.cs-file__n { font-size: clamp(64px, 8vw, 128px); font-weight: 800; letter-spacing: -0.055em; line-height: 0.82; color: #10273E; }
.cs-file__title { font-size: clamp(22px, 2.3vw, 32px); font-weight: 600; letter-spacing: -0.026em; line-height: 1.12; max-width: 24ch; }
.cs-file__desc { margin-top: 14px; max-width: 52ch; font-size: 16px; line-height: 1.62; color: var(--color-text-secondary); }
.cs-file__cta { margin-top: clamp(20px, 2.8vh, 28px); }
.cs-dl { display: grid; gap: 18px; align-content: start; }
.cs-dl div { padding-top: 12px; border-top: 1px solid var(--color-border-strong); }
.cs-dl dt { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--color-text-secondary); }
.cs-dl dd { margin: 8px 0 0; font-size: 15px; line-height: 1.55; color: var(--color-text); }
.cs-dl div:last-child dt { color: var(--color-accent-dark); }

.cs-arrow-link {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--color-blue-dark); border-bottom: 1px solid var(--color-blue-dark); padding-bottom: 8px;
}
.cs-arrow-link svg { transition: transform var(--t-fast); }
.cs-arrow-link:hover { color: var(--color-accent-dark); border-color: var(--color-accent-dark); }
.cs-arrow-link:hover svg { transform: translateX(4px); }

/* What the three cases demonstrate */
.cs-chain { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; list-style: none; margin-top: clamp(26px, 3.6vh, 38px); }
.cs-chain li { display: flex; align-items: center; gap: 14px; font-family: var(--font-mono); font-size: 11px; letter-spacing: var(--ls-kicker); text-transform: uppercase; color: var(--color-text); }
.cs-chain li:last-child { color: var(--color-accent-dark); }
.cs-chain svg { color: var(--color-text-secondary); }
.cs-demo { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(20px, 3vw, 48px); margin-top: clamp(24px, 3.4vh, 36px); list-style: none; }
.cs-demo li { min-width: 0; padding-top: 18px; border-top: 2px solid var(--color-border-strong); }
.cs-demo__n { font-family: var(--font-mono); font-size: 10px; letter-spacing: var(--ls-kicker); color: var(--color-accent-dark); }
.cs-demo__t { margin-top: 10px; font-size: clamp(18px, 1.6vw, 22px); font-weight: 600; letter-spacing: -0.02em; }
.cs-demo p { margin-top: 12px; font-size: 15.5px; line-height: 1.62; color: var(--color-text-secondary); }
.cs-demo p + p { margin-top: 10px; }

/* Starting point */
.cs-bg { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: clamp(20px, 4vw, 64px); margin-top: clamp(26px, 3.6vh, 40px); }
.cs-bg--figure { grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr) minmax(0, 1fr); }
.cs-bg__label { font-family: var(--font-mono); font-size: 10px; letter-spacing: var(--ls-kicker); text-transform: uppercase; color: var(--color-blue); }
.cs-bg__text p { font-size: clamp(17px, 1.4vw, 20px); line-height: 1.55; letter-spacing: -0.01em; color: var(--color-text); max-width: 56ch; }
.cs-bg__text p + p { margin-top: 14px; font-size: 16px; color: var(--color-text-secondary); }
.cs-figure { min-width: 0; }
.cs-figure__img { aspect-ratio: 4 / 5; overflow: hidden; background: var(--color-blue-light); }
.cs-figure__img img { width: 100%; height: 100%; object-fit: cover; }
.cs-figure figcaption { margin-top: 10px; }
.cs-split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; margin-top: clamp(32px, 4.6vh, 52px); border-top: 2px solid var(--color-border-strong); }
.cs-split > div { min-width: 0; padding: clamp(22px, 3vh, 32px) clamp(0px, 2.6vw, 40px) clamp(22px, 3vh, 32px) 0; }
.cs-split > div + div { border-left: 1px solid var(--color-border); padding-left: clamp(20px, 2.6vw, 40px); padding-right: 0; }
.cs-split h3 { font-family: var(--font-mono); font-size: 10px; font-weight: 400; letter-spacing: var(--ls-kicker); text-transform: uppercase; color: var(--color-text-secondary); }
.cs-split > div + div h3 { color: var(--color-accent-dark); }
.cs-split p { margin-top: 14px; font-size: 16px; line-height: 1.62; color: var(--color-text); max-width: 52ch; }
.cs-split p + p { margin-top: 10px; }

/* CS01 — three phases */
.cs-phases { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin-top: clamp(28px, 4vh, 44px); list-style: none; }
.cs-phase { min-width: 0; position: relative; padding-right: clamp(18px, 2.4vw, 36px); }
.cs-phase + .cs-phase { padding-left: clamp(18px, 2.4vw, 36px); border-left: 1px solid var(--color-border); }
.cs-phase__head { position: relative; padding: 0 0 16px; border-bottom: 2px solid var(--color-border-strong); }
.cs-phase:last-child .cs-phase__head { border-bottom-color: var(--color-accent); }
.cs-phase__k { font-family: var(--font-mono); font-size: 10px; letter-spacing: var(--ls-kicker); text-transform: uppercase; color: var(--color-accent-dark); }
.cs-phase__name { margin-top: 8px; font-size: clamp(18px, 1.6vw, 22px); font-weight: 700; letter-spacing: -0.02em; }
.cs-phase__list { list-style: none; }
.cs-phase__list li { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 10px; padding: 16px 0; border-bottom: 1px solid var(--color-border); }
.cs-phase__list .n { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; color: var(--color-text-secondary); padding-top: 4px; }
.cs-phase__list strong { display: block; font-size: 15.5px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.3; }
.cs-phase__list span.d { display: block; margin-top: 6px; font-size: 14.5px; line-height: 1.55; color: var(--color-text-secondary); }

/* CS01 — signature pathway */
.cs-path { list-style: none; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); margin-top: clamp(30px, 4.4vh, 50px); }
.cs-path li { position: relative; min-width: 0; padding: 34px clamp(10px, 1.4vw, 22px) 0 0; }
.cs-path li::before { content: ""; position: absolute; top: 7px; left: 0; right: 0; height: 2px; background: rgba(255, 255, 255, 0.3); }
.cs-path li::after { content: ""; position: absolute; top: 0; left: 0; width: 16px; height: 16px; border-radius: 50%; background: #10273E; border: 2px solid var(--color-accent-on-dark); box-sizing: border-box; }
.cs-path li:last-child::before { right: auto; width: 0; }
.cs-path li:last-child::after { background: var(--color-accent-on-dark); }
.cs-path__n { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em; color: var(--color-accent-on-dark); }
.cs-path__t { display: block; margin-top: 10px; font-size: clamp(15px, 1.2vw, 17px); font-weight: 600; letter-spacing: -0.012em; line-height: 1.28; color: var(--color-white); }
.cs-path__d { display: block; margin-top: 8px; font-size: 14px; line-height: 1.5; color: var(--color-text-on-dark-mid); }
.cs-navy { background: #10273E; color: var(--color-text-on-dark); }
.cs-navy .cs-head { border-bottom-color: var(--color-border-on-dark); }
.cs-navy .cs-head__n { color: var(--color-accent-on-dark); }

/* Result statement */
.cs-result { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 3fr); gap: clamp(18px, 3vw, 48px); padding-top: 22px; border-top: 2px solid var(--color-accent); }
.cs-result__k { font-family: var(--font-mono); font-size: 10px; letter-spacing: var(--ls-kicker); text-transform: uppercase; color: var(--color-accent-dark); }
.cs-result__text p { font-size: clamp(22px, 2.4vw, 34px); font-weight: 600; letter-spacing: -0.024em; line-height: 1.22; max-width: 30ch; }
.cs-result__text p + p { margin-top: 16px; font-size: clamp(16px, 1.3vw, 19px); font-weight: 400; letter-spacing: -0.008em; line-height: 1.55; color: var(--color-text-secondary); max-width: 54ch; }

/* Strategic value rows */
.cs-rows { list-style: none; margin-top: clamp(22px, 3vh, 32px); border-top: 2px solid var(--color-border-strong); }
.cs-rows li { display: grid; grid-template-columns: minmax(140px, 1fr) minmax(0, 3fr); gap: clamp(14px, 3vw, 48px); padding: 20px 0; border-bottom: 1px solid var(--color-border); }
.cs-rows__k { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: var(--ls-kicker); text-transform: uppercase; color: var(--color-text); padding-top: 3px; }
.cs-rows p { font-size: clamp(16px, 1.3vw, 19px); line-height: 1.5; letter-spacing: -0.008em; color: var(--color-text); max-width: 60ch; }
.cs-quad { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(16px, 2.4vw, 36px); margin-top: clamp(22px, 3vh, 32px); }
.cs-quad li { min-width: 0; padding-top: 16px; border-top: 2px solid var(--color-border-strong); }
.cs-quad p { margin-top: 12px; font-size: 15.5px; line-height: 1.55; color: var(--color-text); }

/* Deliverables index */
.cs-index { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(20px, 3vw, 48px); margin-top: clamp(22px, 3vh, 32px); border-top: 2px solid var(--color-border-strong); }
.cs-index li { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 10px; padding: 15px 0; border-bottom: 1px solid var(--color-border); font-size: 16px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.35; }
.cs-index .n { font-family: var(--font-mono); font-size: 10px; font-weight: 400; letter-spacing: 0.12em; color: var(--color-accent-dark); padding-top: 4px; }

/* Related capabilities */
.cs-related { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: 0 clamp(20px, 3vw, 40px); margin-top: clamp(22px, 3vh, 32px); }
.cs-related a { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 18px 0; border-top: 2px solid var(--color-border-strong); font-size: 16px; font-weight: 600; letter-spacing: -0.012em; line-height: 1.3; color: var(--color-text); }
.cs-related a svg { flex: 0 0 auto; color: var(--color-accent); transition: transform var(--t-fast); }
.cs-related a:hover { color: var(--color-blue-dark); border-top-color: var(--color-accent); }
.cs-related a:hover svg { transform: translateX(4px); }

/* Next case / end navigation */
.cs-next { display: block; position: relative; overflow: hidden; background: #10273E; color: var(--color-white); padding: clamp(40px, 6vh, 72px) var(--gutter); }
.cs-next:hover { color: var(--color-white); }
.cs-next__inner { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: clamp(20px, 4vw, 64px); align-items: end; }
.cs-next__n { font-size: clamp(80px, 11vw, 168px); font-weight: 800; letter-spacing: -0.06em; line-height: 0.8; color: rgba(255, 255, 255, 0.14); transition: color var(--t-base); }
.cs-next:hover .cs-next__n { color: var(--color-accent-on-dark); }
.cs-next__t { margin-top: 12px; font-size: clamp(22px, 2.6vw, 38px); font-weight: 600; letter-spacing: -0.026em; line-height: 1.1; max-width: 26ch; }
.cs-next__go { display: flex; align-items: center; justify-content: center; width: 56px; height: 56px; border: 1px solid rgba(255, 255, 255, 0.46); transition: background var(--t-fast), border-color var(--t-fast); }
.cs-next:hover .cs-next__go { background: var(--color-accent-on-dark); border-color: var(--color-accent-on-dark); color: var(--color-ink-deep); }
.cs-backbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }

/* CS02 — technical index */
.cs-tindex { list-style: none; margin-top: clamp(26px, 3.6vh, 40px); border-top: 2px solid var(--color-border-strong); counter-reset: none; }
.cs-tindex li { display: grid; grid-template-columns: 96px minmax(0, 1fr) minmax(0, 1.25fr); gap: clamp(14px, 2.6vw, 40px); align-items: baseline; padding: 18px 0; border-bottom: 1px solid var(--color-border); }
.cs-tindex li:hover { background: var(--color-surface); }
.cs-tindex .n { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em; color: var(--color-accent-dark); }
.cs-tindex strong { font-size: clamp(16px, 1.3vw, 18.5px); font-weight: 600; letter-spacing: -0.014em; line-height: 1.3; }
.cs-tindex span.d { font-size: 15px; line-height: 1.55; color: var(--color-text-secondary); }

/* CS02 — signature scale progression */
.cs-arch { display: grid; grid-template-columns: minmax(0, 2.2fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 80px); margin-top: clamp(28px, 4vh, 46px); align-items: end; }
.cs-scale { list-style: none; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: clamp(6px, 0.8vw, 12px); align-items: end; }
.cs-scale li { min-width: 0; display: flex; flex-direction: column; justify-content: flex-end; }
.cs-scale__bar { display: block; height: calc(var(--s) * clamp(34px, 5vh, 56px)); background: var(--c); }
.cs-scale__n { display: block; margin-top: 14px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em; color: var(--color-accent-on-dark); }
.cs-scale__t { display: block; margin-top: 6px; font-size: clamp(13.5px, 1.1vw, 16px); font-weight: 600; letter-spacing: -0.01em; line-height: 1.25; color: var(--color-white); }
.cs-scale__base { height: 2px; background: rgba(255, 255, 255, 0.3); margin-top: 0; grid-column: 1 / -1; }
.cs-arch__copy p { font-size: 16px; line-height: 1.62; color: var(--color-text-on-dark-mid); }
.cs-arch__copy p:first-child { font-size: clamp(18px, 1.5vw, 21px); font-weight: 600; letter-spacing: -0.016em; line-height: 1.4; color: var(--color-white); }
.cs-arch__copy p + p { margin-top: 14px; }

/* CS03 — question list */
.cs-qlist { list-style: none; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; margin-top: clamp(26px, 3.6vh, 40px); border-top: 2px solid var(--color-border-strong); }
.cs-qlist li { min-width: 0; padding: 20px clamp(12px, 1.6vw, 24px) 6px 0; }
.cs-qlist li + li { padding-left: clamp(12px, 1.6vw, 24px); border-left: 1px solid var(--color-border); }
.cs-qlist .n { display: block; font-size: clamp(34px, 3.4vw, 52px); font-weight: 800; letter-spacing: -0.05em; line-height: 0.9; color: #10273E; }
.cs-qlist strong { display: block; margin-top: 16px; font-size: 15.5px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.3; }
.cs-qlist span.d { display: block; margin-top: 8px; font-size: 14.5px; line-height: 1.55; color: var(--color-text-secondary); }

/* CS03 — signature evidence flow */
.cs-flow { list-style: none; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); margin-top: clamp(30px, 4.4vh, 50px); border-top: 1px solid var(--color-border-on-dark); }
.cs-flow li { min-width: 0; padding: 22px clamp(10px, 1.4vw, 20px) 0; border-left: 1px solid var(--color-border-on-dark-soft); }
.cs-flow li:first-child { border-left: 0; padding-left: 0; }
.cs-flow__glyph { width: 64px; height: 64px; color: var(--color-text-on-dark-mid); }
.cs-flow__n { display: block; margin-top: 18px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em; color: var(--color-accent-on-dark); }
.cs-flow__t { display: block; margin-top: 8px; font-size: clamp(15px, 1.2vw, 17px); font-weight: 600; letter-spacing: -0.012em; line-height: 1.3; color: var(--color-white); }

/* CS03 — perspectives table */
.cs-table { width: 100%; border-collapse: collapse; margin-top: clamp(22px, 3vh, 32px); text-align: left; }
.cs-table th { font-family: var(--font-mono); font-size: 10px; font-weight: 400; letter-spacing: var(--ls-kicker); text-transform: uppercase; color: var(--color-text-secondary); padding: 0 clamp(12px, 2vw, 28px) 12px 0; border-bottom: 2px solid var(--color-border-strong); vertical-align: bottom; }
.cs-table td { padding: 20px clamp(12px, 2vw, 28px) 20px 0; border-bottom: 1px solid var(--color-border); vertical-align: top; font-size: 16px; line-height: 1.55; color: var(--color-text); }
.cs-table td:first-child { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: var(--ls-kicker); text-transform: uppercase; padding-top: 24px; width: 18%; }
.cs-table td:nth-child(2) { font-weight: 600; letter-spacing: -0.01em; width: 42%; }
.cs-table td:last-child { color: var(--color-text-secondary); }

/* Homepage three-case selector */
.cs-tabs { display: grid; grid-template-columns: minmax(0, 38fr) minmax(0, 62fr); gap: clamp(28px, 5vw, 88px); margin-top: clamp(34px, 5vw, 56px); align-items: start; }
.cs-tablist { display: flex; flex-direction: column; border-top: 2px solid var(--color-border-strong); }
.cs-tab { display: grid; grid-template-columns: clamp(56px, 6vw, 84px) minmax(0, 1fr); gap: 14px; align-items: center; width: 100%; padding: 18px 0; text-align: left; border-bottom: 1px solid var(--color-border); transition: border-color var(--t-fast); }
.cs-tab__n { font-size: clamp(30px, 3.4vw, 50px); font-weight: 800; letter-spacing: -0.05em; line-height: 0.9; color: var(--color-border); transition: color var(--t-fast); }
.cs-tab__t { font-size: 14.5px; font-weight: 600; letter-spacing: -0.008em; line-height: 1.32; color: var(--color-text-secondary); transition: color var(--t-fast); }
.cs-tab:hover .cs-tab__n { color: var(--color-text-secondary); }
.cs-tab:hover .cs-tab__t { color: var(--color-text); }
.cs-tab[aria-selected="true"] { border-bottom: 2px solid var(--color-accent); padding-bottom: 17px; }
.cs-tab[aria-selected="true"] .cs-tab__n { color: #10273E; }
.cs-tab[aria-selected="true"] .cs-tab__t { color: var(--color-text); }
.cs-tabpanel { min-width: 0; animation: cs-in 0.35s var(--ease-out) both; }
.cs-tabpanel[hidden] { display: none; }
@keyframes cs-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.cs-tabpanel__k { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--color-accent-dark); }
.cs-tabpanel h3 { margin-top: 14px; font-size: clamp(26px, 3.2vw, 46px); font-weight: 600; letter-spacing: -0.032em; line-height: 1.05; max-width: 22ch; }
.cs-tabpanel__desc { margin-top: 18px; max-width: 52ch; font-size: clamp(16px, 1.3vw, 18px); line-height: 1.58; color: var(--color-text-secondary); }
.cs-tabpanel .cs-dl { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(16px, 2.4vw, 36px); margin-top: clamp(26px, 3.6vh, 38px); }

@media (max-width: 1024px) {
  .cs-path { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 34px; }
  .cs-path li:nth-child(3)::before { right: auto; width: 0; }
  .cs-flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cs-flow li { padding-bottom: 26px; }
  .cs-flow li:nth-child(4) { border-left: 0; padding-left: 0; }
  .cs-qlist { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cs-qlist li { padding: 20px 20px 20px 0; border-bottom: 1px solid var(--color-border); }
  .cs-qlist li + li { border-left: 0; padding-left: 0; }
  .cs-qlist li:nth-child(even) { padding-left: 20px; border-left: 1px solid var(--color-border); }
  .cs-quad { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 28px; }
  .cs-bg--figure { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); }
  .cs-bg--figure .cs-figure { grid-column: 2; max-width: 360px; }
  .cs-arch { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 860px) {
  .cs-hub-hero { grid-template-columns: minmax(0, 1fr); }
  .cs-meta { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .cs-file { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .cs-demo { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .cs-bg, .cs-bg--figure, .cs-result { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .cs-bg--figure .cs-figure { grid-column: auto; }
  .cs-split { grid-template-columns: minmax(0, 1fr); }
  .cs-split > div { padding-right: 0; }
  .cs-split > div + div { border-left: 0; border-top: 1px solid var(--color-border); padding-left: 0; }
  .cs-phases { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .cs-phase, .cs-phase + .cs-phase { padding: 0 0 0 22px; border-left: 2px solid var(--color-border-strong); }
  .cs-phase:last-child { border-left-color: var(--color-accent); }
  .cs-path, .cs-flow { grid-template-columns: minmax(0, 1fr); row-gap: 0; border-top: 0; }
  .cs-path li { padding: 0 0 28px 36px; }
  .cs-path li::before, .cs-path li:nth-child(3)::before { top: 0; bottom: 0; left: 7px; right: auto; width: 2px; height: auto; }
  .cs-path li:last-child::before { display: none; }
  .cs-path__t { margin-top: 6px; }
  .cs-flow li, .cs-flow li:nth-child(4) { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 0 18px; padding: 18px 0; border-left: 0; border-top: 1px solid var(--color-border-on-dark-soft); }
  .cs-flow__glyph { width: 56px; height: 56px; grid-row: span 2; }
  .cs-flow__n { margin-top: 4px; }
  .cs-scale { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .cs-scale li { display: grid; grid-template-columns: minmax(0, 1fr); }
  .cs-scale__bar { height: 8px; width: calc(var(--s) * 20%); order: 3; margin-top: 10px; }
  .cs-scale__n { margin-top: 0; }
  .cs-scale__base { display: none; }
  .cs-tindex li { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .cs-qlist { grid-template-columns: minmax(0, 1fr); }
  .cs-qlist li:nth-child(even) { padding-left: 0; border-left: 0; }
  .cs-quad, .cs-index { grid-template-columns: minmax(0, 1fr); }
  .cs-rows li { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .cs-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .cs-table, .cs-table tbody, .cs-table tr, .cs-table td { display: block; width: auto !important; }
  .cs-table tr { padding: 18px 0; border-top: 2px solid var(--color-border-strong); }
  .cs-table td { padding: 0; border: 0; }
  .cs-table td + td { margin-top: 14px; }
  .cs-table td:first-child { padding: 0; color: var(--color-accent-dark); }
  .cs-table td + td::before { content: attr(data-label); display: block; margin-bottom: 4px; font-family: var(--font-mono); font-size: 9.5px; font-weight: 400; letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--color-text-secondary); }
  .cs-next__inner { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .cs-tabs { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .cs-tablist { flex-direction: row; }
  .cs-tab { grid-template-columns: minmax(0, 1fr); flex: 1 1 0; padding: 14px 0 12px; }
  .cs-tab[aria-selected="true"] { padding-bottom: 11px; }
  .cs-tab__t { display: none; }
  .cs-tabpanel .cs-dl { grid-template-columns: minmax(0, 1fr); }
}

/* Case-study hero photography + navy overlay */
.cs-hero__media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.cs-hero__scrim { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(16, 39, 62, 0.96) 0%, rgba(16, 39, 62, 0.9) 38%, rgba(16, 39, 62, 0.72) 70%, rgba(16, 39, 62, 0.6) 100%), linear-gradient(180deg, rgba(16, 39, 62, 0.5) 0%, rgba(16, 39, 62, 0) 30%, rgba(16, 39, 62, 0) 70%, rgba(16, 39, 62, 0.6) 100%); }
@media (max-width: 860px) { .cs-hero__scrim { background: rgba(16, 39, 62, 0.9); } }

/* Homepage selector — one image per case */
.cs-tabs { grid-template-columns: minmax(0, 30fr) minmax(0, 70fr); }
.cs-tabpanel__grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(220px, 0.85fr); gap: clamp(24px, 3.4vw, 56px); align-items: start; }
.cs-tabpanel__media { width: 100%; }
@media (max-width: 1024px) { .cs-tabs { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 760px) { .cs-tabpanel__grid { grid-template-columns: minmax(0, 1fr); } .cs-tabpanel__media { max-width: 420px; aspect-ratio: 4 / 3; } }

/* Diagrams without connector lines */
.cs-flow, .cs-flow li, .cs-flow li:nth-child(4) { border: 0 !important; }

/* No double rule directly under section headings */
.cs-index, .cs-rows, .cs-tindex, .cs-qlist { border-top: 0 !important; }

/* Cleaner lists — no row lines */
.cs-index li, .cs-rows li { border-bottom: 0 !important; }
.cs-related a { border-top: 0 !important; }

/* No heading rules / link underline */
.cs-backbar .cs-arrow-link { border-bottom: 0 !important; padding-bottom: 0 !important; }

/* Section numbers hidden */
.cs-head__n { display: none !important; }

/* Pathway track runs full width, matching the heading rule */
@media (min-width: 1025px) { .cs-path li:last-child::before { right: 0; width: auto; } }

.cs-quad li { border-top: 0 !important; padding-top: 0 !important; }

/* Homepage case-study slider */
.hc-viewport { overflow: hidden; }
.hc-track { display: flex; align-items: flex-start; transition: transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1); }
.hc-slide { flex: 0 0 100%; min-width: 0; }
.hc-controls { display: flex; align-items: center; gap: 10px; }
.hc-btn { width: 48px; height: 48px; display: inline-flex; align-items: center; justify-content: center; background: transparent; color: var(--color-text); border: 1px solid var(--color-border-strong); border-radius: var(--radius); cursor: pointer; transition: background 0.2s, color 0.2s, border-color 0.2s; }
.hc-btn:hover { background: var(--color-blue-dark); border-color: var(--color-blue-dark); color: var(--color-white); }
.hc-btn:active { transform: translateY(1px); }
.hc-btn:focus-visible { outline: 2px solid var(--color-blue); outline-offset: 2px; }
.hc-count { margin-left: 14px; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.18em; color: var(--color-text-secondary); }
.hc-bar { position: relative; width: clamp(60px, 8vw, 120px); height: 2px; margin-left: 8px; background: var(--color-border); }
.hc-bar__fill { position: absolute; left: 0; top: 0; height: 2px; background: var(--color-blue); transition: width 0.6s cubic-bezier(0.22, 0.61, 0.36, 1); }
@media (prefers-reduced-motion: reduce) { .hc-track, .hc-bar__fill { transition: none; } }

/* ==========================================================================
   Case studies library (hub) — data-driven, scales with the library
   ========================================================================== */
.csx-hero { position: relative; overflow: hidden; background: #10273E; color: var(--color-text-on-dark); padding: calc(var(--header-h) + clamp(32px, 5vh, 64px)) var(--gutter) clamp(40px, 6vh, 72px); }
.csx-hero .container { position: relative; }
.csx-hero__grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: clamp(28px, 6vw, 112px); align-items: end; }
.csx-hero__title { color: var(--color-white); margin-top: 18px; max-width: 18ch; }
.csx-hero__lead { margin-top: clamp(16px, 2.4vh, 24px); max-width: 58ch; font-size: clamp(16px, 1.3vw, 19px); line-height: 1.55; color: var(--color-text-on-dark-mid); }
.csx-path { list-style: none; position: relative; max-width: 420px; justify-self: end; width: 100%; }
.csx-path::before { content: ""; position: absolute; left: 7px; top: 22px; bottom: 22px; width: 2px; background: rgba(255, 255, 255, 0.22); }
.csx-path li { position: relative; display: flex; align-items: center; gap: 22px; padding: 13px 0; border-bottom: 1px solid var(--color-border-on-dark); font-family: var(--font-mono); font-size: 10.5px; letter-spacing: var(--ls-kicker); text-transform: uppercase; color: var(--color-text-on-dark-mid); }
.csx-path li:first-child { border-top: 1px solid var(--color-border-on-dark); }
.csx-path li::before { content: ""; flex: 0 0 auto; width: 16px; height: 16px; border-radius: 50%; background: #10273E; border: 2px solid var(--color-accent-on-dark); box-sizing: border-box; position: relative; }
.csx-path li:last-child { color: var(--color-white); }
.csx-path li:last-child::before { background: var(--color-accent-on-dark); }

.csx-featured { padding-block: clamp(64px, 9vh, 112px); }
.csx-label { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding-bottom: 14px; border-bottom: 2px solid var(--color-border-strong); font-family: var(--font-mono); font-size: 10.5px; letter-spacing: var(--ls-kicker); text-transform: uppercase; }
.csx-label__k { color: var(--color-accent-dark); }
.csx-label__n { color: var(--color-text-secondary); }
.csx-feature { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 88px); margin-top: clamp(28px, 4vh, 44px); align-items: start; }
.csx-feature__title { margin-top: clamp(18px, 2.6vh, 26px); font-size: clamp(30px, 3.6vw, 52px); font-weight: 600; letter-spacing: -0.032em; line-height: 1.05; max-width: 20ch; }
.csx-feature__desc { margin-top: 18px; max-width: 52ch; font-size: clamp(16px, 1.3vw, 19px); line-height: 1.55; color: var(--color-text-secondary); }
.csx-feature__dl { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px clamp(18px, 2.6vw, 40px); margin-top: clamp(26px, 3.6vh, 38px); }
.csx-feature__fig { min-width: 0; }
.csx-feature__img { aspect-ratio: 4 / 3; overflow: hidden; background: var(--color-blue-light); }
.csx-feature__img img { width: 100%; height: 100%; object-fit: cover; }
.csx-feature__fig figcaption { margin-top: 10px; }

.csx-tags { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; }
.csx-tags li { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.14em; text-transform: uppercase; line-height: 1; padding: 7px 9px 6px; border: 1px solid var(--color-border-strong); border-radius: var(--radius); color: var(--color-text); }

.csx-intro { margin-top: 18px; max-width: 64ch; font-size: 16px; line-height: 1.62; color: var(--color-text-secondary); }
.csx-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: clamp(22px, 3vh, 32px); }
.csx-filters[hidden] { display: none; }
.csx-filter { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; padding: 10px 14px; background: transparent; color: var(--color-text); border: 1px solid var(--color-border-strong); border-radius: var(--radius); cursor: pointer; transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast); }
.csx-filter:hover { border-color: var(--color-blue-dark); color: var(--color-blue-dark); }
.csx-filter[aria-pressed="true"] { background: var(--color-blue-dark); border-color: var(--color-blue-dark); color: var(--color-white); }
.csx-filter:focus-visible { outline: 2px solid var(--color-blue); outline-offset: 2px; }
.csx-grid { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(36px, 5vh, 56px) clamp(20px, 2.6vw, 44px); margin-top: clamp(28px, 4vh, 44px); }
.csx-item { min-width: 0; display: flex; flex-direction: column; padding-top: 16px; border-top: 2px solid var(--color-border-strong); }
.csx-item[hidden] { display: none; }
.csx-item__media { display: block; order: -1; margin: -16px 0 16px; aspect-ratio: 3 / 2; overflow: hidden; background: var(--color-blue-light); }
.csx-item__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1); }
.csx-item:hover .csx-item__media img { transform: scale(1.03); }
.csx-item:hover { border-top-color: var(--color-accent); }
.csx-item__n { font-family: var(--font-mono); font-size: 10px; letter-spacing: var(--ls-kicker); text-transform: uppercase; color: var(--color-accent-dark); }
.csx-item__title { margin-top: 10px; font-size: clamp(20px, 1.7vw, 25px); font-weight: 600; letter-spacing: -0.022em; line-height: 1.14; }
.csx-item__title a { color: var(--color-text); }
.csx-item__title a:hover { color: var(--color-blue-dark); }
.csx-item .csx-tags { margin-top: 14px; }
.csx-item__desc { margin-top: 14px; font-size: 15.5px; line-height: 1.6; color: var(--color-text-secondary); }
.csx-item__eng { margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--color-border); font-size: 14.5px; line-height: 1.5; color: var(--color-text); }
.csx-item__eng span { display: block; margin-bottom: 6px; font-family: var(--font-mono); font-size: 9.5px; letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--color-text-secondary); }
.csx-item__cta { margin-top: auto; align-self: flex-start; }
.csx-item__eng + .csx-item__cta { margin-top: 22px; }
.csx-empty { margin-top: 24px; font-size: 15.5px; color: var(--color-text-secondary); }
.csx-more { margin-top: clamp(32px, 4.4vh, 48px); }
.csx-more[hidden], .csx-empty[hidden] { display: none; }

.csx-cta { background: #10273E; color: var(--color-text-on-dark); padding: clamp(56px, 8vh, 96px) var(--gutter); }
.csx-cta__inner { display: grid; grid-template-columns: minmax(0, 1.6fr) auto; gap: clamp(24px, 4vw, 64px); align-items: end; }

/* Individual case — previous / next */
.cs-pager { background: #10273E; color: var(--color-white); padding: clamp(40px, 6vh, 72px) var(--gutter); }
.cs-pager__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 2px solid var(--color-border-on-dark); }
.cs-pager__cell { min-width: 0; display: block; padding: clamp(22px, 3vh, 32px) clamp(16px, 2.6vw, 40px) clamp(22px, 3vh, 32px) 0; color: var(--color-white); }
.cs-pager__cell--next { border-left: 1px solid var(--color-border-on-dark); padding-left: clamp(16px, 2.6vw, 40px); padding-right: 0; }
.cs-pager__cell:hover { color: var(--color-white); }
.cs-pager__k { display: block; font-family: var(--font-mono); font-size: 10px; letter-spacing: var(--ls-kicker); text-transform: uppercase; color: var(--color-accent-on-dark); }
.cs-pager__t { display: block; margin-top: 12px; font-size: clamp(19px, 2vw, 28px); font-weight: 600; letter-spacing: -0.022em; line-height: 1.15; max-width: 26ch; transition: color var(--t-fast); }
.cs-pager__cell:hover .cs-pager__t { color: var(--color-accent-on-dark); }
.cs-pager__bar { padding-top: 20px; border-top: 1px solid var(--color-border-on-dark); }
.cs-pager__back { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--color-text-on-dark-mid); }
.cs-pager__back:hover { color: var(--color-white); }

/* Homepage — selected case studies */
.hc-intro { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 14px clamp(28px, 5vw, 80px); margin-top: clamp(26px, 3.6vw, 44px); margin-bottom: clamp(30px, 4vw, 52px); }
.hc-intro__h { font-size: clamp(22px, 2vw, 30px); font-weight: 600; letter-spacing: -0.024em; line-height: 1.1; }
.hc-intro__p { flex: 0 1 58ch; font-size: 15.5px; line-height: 1.6; color: var(--color-text-secondary); }
.hc-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 clamp(16px, 2.4vw, 36px); margin-top: clamp(40px, 5vw, 72px); }
.hc-tab { min-width: 0; display: flex; flex-direction: column; gap: 8px; text-align: left; padding: 16px 0 4px; background: transparent; border: 0; border-top: 2px solid var(--color-border); border-radius: 0; color: var(--color-text-secondary); cursor: pointer; font: inherit; transition: border-color var(--t-fast), color var(--t-fast); }
.hc-tab:hover { border-top-color: var(--color-blue-dark); color: var(--color-text); }
.hc-tab[aria-selected="true"] { border-top-color: var(--color-accent); color: var(--color-text); }
.hc-tab:focus-visible { outline: 2px solid var(--color-blue); outline-offset: 4px; }
.hc-tab__n { font-family: var(--font-mono); font-size: 10px; letter-spacing: var(--ls-kicker); text-transform: uppercase; color: var(--color-accent-dark); }
.hc-tab__t { font-size: clamp(15px, 1.2vw, 17px); font-weight: 600; letter-spacing: -0.012em; line-height: 1.3; }
.hc-tab__m { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-text-secondary); }

@media (max-width: 1023px) {
  .csx-hero__grid, .csx-feature { grid-template-columns: minmax(0, 1fr); }
  .csx-path { justify-self: start; max-width: 520px; }
  .csx-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .csx-cta__inner { grid-template-columns: minmax(0, 1fr); align-items: start; }
}
@media (max-width: 767px) {
  .csx-path { display: none; }
  .csx-grid { grid-template-columns: minmax(0, 1fr); }
  .csx-feature__dl { grid-template-columns: minmax(0, 1fr); }
  .cs-pager__grid { grid-template-columns: minmax(0, 1fr); }
  .cs-pager__cell { padding-right: 0; }
  .cs-pager__cell--next { border-left: 0; border-top: 1px solid var(--color-border-on-dark); padding-left: 0; }
  .hc-tabs { grid-template-columns: minmax(0, 1fr); }
  .hc-tab { flex-direction: row; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; padding: 12px 0; }
  .hc-tab__m { display: none; }
  .hc-tab__t { flex: 1 1 0; min-width: 0; }
}

/* Library — two entries per row, editorial horizontal entry */
.csx-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(40px, 5.6vh, 64px) clamp(28px, 3.6vw, 64px); }
.csx-item { display: grid; grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr); grid-auto-rows: min-content; column-gap: clamp(18px, 2.2vw, 34px); align-content: start; padding-top: 0; }
.csx-item > * { grid-column: 2; }
.csx-item__media { grid-column: 1; grid-row: 1 / span 7; margin: 0; aspect-ratio: 4 / 5; align-self: start; }
.csx-item__top { padding-top: 16px; }
.csx-item__title { font-size: clamp(20px, 1.6vw, 26px); }
.csx-item__cta, .csx-item__eng + .csx-item__cta { margin-top: 20px; }
@media (max-width: 1159px) {
  .csx-item { grid-template-columns: minmax(0, 1fr); }
  .csx-item > *, .csx-item__media { grid-column: 1; grid-row: auto; }
  .csx-item__media { aspect-ratio: 3 / 2; }
}
@media (max-width: 767px) {
  .csx-grid { grid-template-columns: minmax(0, 1fr); }
}

/* Library — two entries per row, editorial horizontal entry */
.csx-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(40px, 5.6vh, 64px) clamp(28px, 3.6vw, 64px); }
.csx-item { display: grid; grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr); grid-auto-rows: min-content; column-gap: clamp(18px, 2.2vw, 34px); align-content: start; padding-top: 0; }
.csx-item > * { grid-column: 2; }
.csx-item__media { grid-column: 1; grid-row: 1 / span 7; margin: 0; aspect-ratio: 4 / 5; align-self: start; }
.csx-item__top { padding-top: 16px; }
.csx-item__title { font-size: clamp(20px, 1.6vw, 26px); }
.csx-item__cta, .csx-item__eng + .csx-item__cta { margin-top: 20px; }
@media (max-width: 1159px) {
  .csx-item { grid-template-columns: minmax(0, 1fr); }
  .csx-item > *, .csx-item__media { grid-column: 1; grid-row: auto; }
  .csx-item__media { aspect-ratio: 3 / 2; }
}
@media (max-width: 767px) {
  .csx-grid { grid-template-columns: minmax(0, 1fr); }
}

/* Library — image matches text column height */
@media (min-width: 1160px) {
  .csx-item__media { grid-row: 1 / span 6; align-self: stretch; aspect-ratio: auto; height: 100%; min-height: 320px; }
  .csx-item__media img { position: static; height: 100%; }
}
.csx-item__cta { justify-self: start; }

/* ==========================================================================
   Blog — article page
   ========================================================================== */
.bp-lead { margin: 0; }
.bp-lead__img { aspect-ratio: 16 / 7; overflow: hidden; background: var(--color-blue-light); }
.bp-lead__img img { width: 100%; height: 100%; object-fit: cover; }
.bp-lead figcaption { margin-top: 10px; }
.bp-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2.4fr); gap: clamp(28px, 5vw, 96px); margin-top: clamp(40px, 6vh, 72px); align-items: start; }
.bp-aside { position: sticky; top: calc(var(--header-h) + 24px); padding-top: 14px; border-top: 2px solid var(--color-border-strong); }
.bp-aside__k { font-family: var(--font-mono); font-size: 10px; letter-spacing: var(--ls-kicker); text-transform: uppercase; color: var(--color-accent-dark); }
.bp-aside ol { list-style: none; margin-top: 14px; counter-reset: toc; }
.bp-aside li { counter-increment: toc; border-bottom: 1px solid var(--color-border); }
.bp-aside a { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 6px; padding: 12px 0; font-size: 14.5px; line-height: 1.4; color: var(--color-text); }
.bp-aside a::before { content: counter(toc, decimal-leading-zero); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; color: var(--color-text-secondary); padding-top: 3px; }
.bp-aside a:hover { color: var(--color-blue-dark); }
.bp-body { min-width: 0; max-width: 68ch; }
.bp-body h2 { margin-top: clamp(36px, 5vh, 56px); padding-top: 16px; border-top: 2px solid var(--color-border-strong); font-size: clamp(22px, 2vw, 30px); font-weight: 600; letter-spacing: -0.022em; line-height: 1.15; scroll-margin-top: calc(var(--header-h) + 24px); }
.bp-body h2:first-child { margin-top: 0; }
.bp-body p { margin-top: 16px; font-size: 17px; line-height: 1.7; color: var(--color-text); }
.bp-body ul { list-style: none; margin-top: 18px; border-top: 1px solid var(--color-border); }
.bp-body ul li { position: relative; padding: 13px 0 13px 22px; border-bottom: 1px solid var(--color-border); font-size: 16px; line-height: 1.55; }
.bp-body ul li::before { content: ""; position: absolute; left: 2px; top: 22px; width: 6px; height: 6px; background: var(--color-accent); }
.bp-body blockquote { margin: clamp(26px, 3.6vh, 38px) 0 0; padding: 18px 0 0; border-top: 2px solid var(--color-accent); }
.bp-body blockquote p { margin: 0; font-size: clamp(22px, 2.2vw, 30px); font-weight: 600; letter-spacing: -0.022em; line-height: 1.22; max-width: 28ch; }
@media (max-width: 1023px) {
  .bp-layout { grid-template-columns: minmax(0, 1fr); }
  .bp-aside { position: static; }
  .bp-lead__img { aspect-ratio: 3 / 2; }
}