/* Adobe Campaign Readiness — case study */

:root {
  --bg: #fafaf9;
  --ink: #141517;
  --ink-2: #3c4047;
  --ink-3: #6a6e75;
  --ink-4: #9a9ea5;
  --line: rgba(20, 21, 23, 0.1);
  --line-strong: rgba(20, 21, 23, 0.2);
  --media-bg: #f0f0ee;
  --accent: #2459d6;
  --warn: #b7791f;
  --risk: #d92d20;
  --good: #12a150;
  --font: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --container: 1200px;
  --rail: 232px;
  --rail-gap: 48px;
  --prose: 700px;
  --gutter: clamp(20px, 4vw, 48px);
  --section-y: 136px;
  --nav-bg: rgba(250, 250, 249, 0.9);
  --theme-meta: #fafaf9;
}

html[data-theme="dark"] {
  --bg: #111214;
  --ink: #f3f3f1;
  --ink-2: #c3c5c9;
  --ink-3: #8d9096;
  --ink-4: #62656b;
  --line: rgba(243, 243, 241, 0.09);
  --line-strong: rgba(243, 243, 241, 0.18);
  --media-bg: #18191c;
  --accent: #7ea4ff;
  --warn: #d9a441;
  --risk: #f0685e;
  --good: #3dba7a;
  --nav-bg: rgba(17, 18, 20, 0.9);
  --theme-meta: #111214;
  color-scheme: dark;
}

html[data-theme="light"] {
  color-scheme: light;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink-2);
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.68;
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

h1, h2, h3 {
  color: var(--ink);
  font-weight: 600;
}

::selection {
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--ink);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.container {
  width: min(100% - 2 * var(--gutter), var(--container));
  margin-inline: auto;
}

.muted { color: var(--ink-3); }
.ink { color: var(--ink); font-weight: 500; }

/* Nav */
.case-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(1.4) blur(12px);
}

.case-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
}

.case-nav__back,
.case-nav__link,
.theme-toggle__btn {
  font: 500 14px/1 var(--font);
  color: var(--ink-3);
  text-decoration: none;
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
}

.case-nav__back:hover,
.case-nav__link:hover,
.theme-toggle__btn:hover {
  color: var(--ink);
}

.case-nav__link.is-active {
  color: var(--accent);
}

.case-nav__actions {
  display: flex;
  align-items: center;
  gap: 32px;
}

.case-nav__links {
  display: flex;
  gap: 24px;
}

.theme-toggle {
  display: inline-flex;
  gap: 12px;
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.theme-toggle__btn[aria-pressed="true"] {
  color: var(--ink);
}

/* Hero */
.hero {
  padding: 104px 0 0;
}

.hero__intro {
  max-width: 800px;
}

.hero__eyebrow {
  margin: 0 0 24px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-3);
}

.hero__title {
  margin: 0 0 24px;
  font-size: 58px;
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.025em;
  max-width: 780px;
}

.hero__lede {
  margin: 0 0 24px;
  font-size: 20px;
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 720px;
}

.hero__status {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--line-strong);
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-3);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  margin: 48px 0 64px;
  padding: 0;
}

.hero__meta > div {
  padding: 0 32px;
  border-left: 1px solid var(--line);
}

.hero__meta > div:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero__meta dt {
  margin: 0 0 4px;
  font-size: 13px;
  color: var(--ink-3);
}

.hero__meta dd {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
}

.screen-index {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 28px;
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.screen-index__label {
  color: var(--ink-3);
}

.screen-index a {
  color: var(--ink);
  text-decoration: none;
}

.screen-index a b {
  margin-right: 6px;
  font-weight: 500;
  color: var(--ink-4);
  font-variant-numeric: tabular-nums;
}

.screen-index a:hover {
  color: var(--accent);
}

/* Sections */
.section {
  padding: var(--section-y) 0 0;
}

.section:last-child {
  padding-bottom: var(--section-y);
}

.section__head {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  column-gap: var(--rail-gap);
  padding-top: 20px;
  margin-bottom: 48px;
  border-top: 1px solid var(--line);
}

.section__head > div {
  max-width: 760px;
}

.section__kicker {
  margin: 6px 0 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-3);
}

.section__title {
  margin: 0;
  font-size: 36px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 760px;
}

.section__lede {
  margin: 16px 0 0;
  font-size: 17px;
  color: var(--ink-3);
  max-width: var(--prose);
}

.pull {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 500;
  color: var(--ink-3);
}

.rail-indent {
  margin-left: calc(var(--rail) + var(--rail-gap));
}

.prose {
  max-width: var(--prose);
}

.prose p {
  margin: 0 0 1em;
}

.prose p:last-child {
  margin-bottom: 0;
}

.prose__title {
  margin: 0 0 12px;
  font-size: 24px;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.aside {
  max-width: var(--prose);
  margin-top: 32px;
  margin-bottom: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-3);
}

.note {
  max-width: var(--prose);
  margin-top: 40px;
  margin-bottom: 0;
  padding-left: 12px;
  border-left: 2px solid var(--line-strong);
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-4);
}

.note__tag {
  font-weight: 600;
  color: var(--ink-3);
  margin-right: 4px;
}

/* Rows: label in the rail, content beside it */
.rows {
  margin: 0;
  border-bottom: 1px solid var(--line);
}

.row {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  column-gap: var(--rail-gap);
  margin: 0;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.row__label {
  margin: 2px 0 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-3);
}

.row__body {
  margin: 0;
  max-width: var(--prose);
  color: var(--ink-2);
}

dd.row__body {
  color: var(--ink);
}

.row__body p {
  margin: 0 0 0.75em;
}

.row__body p:last-child {
  margin-bottom: 0;
}

.row__title {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.45;
  letter-spacing: -0.005em;
}

.chose {
  color: var(--ink);
}

.chose span {
  font-weight: 600;
}

.quote {
  margin: 0 0 8px;
  font-size: 22px;
  line-height: 1.45;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
}

/* Failure modes */
.findings {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  column-gap: var(--rail-gap);
  margin-top: 64px;
}

.findings__label {
  margin: 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-3);
}

.findings__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.findings__list li {
  padding-top: 16px;
  border-top: 1px solid var(--line-strong);
}

.findings__list h3 {
  margin: 0 0 6px;
  font-size: 16px;
  line-height: 1.4;
}

.findings__list h3 span {
  margin-right: 8px;
  font-weight: 500;
  color: var(--ink-4);
  font-variant-numeric: tabular-nums;
}

.findings__list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-3);
}

/* Scale illustration */
.scale {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  margin: 0 0 32px;
  font-size: 24px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink-2);
}

.scale em {
  font-style: normal;
  color: var(--ink-4);
}

.scale strong {
  font-weight: 600;
  color: var(--ink);
}

/* Decision */
.decision-q {
  margin: 0;
  font-size: 40px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--ink);
}

.decision {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}

.decision .aside {
  margin-top: 24px;
}

.decision-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--line);
}

.decision-steps li {
  display: flex;
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
}

.decision-steps span {
  min-width: 24px;
  font-weight: 500;
  color: var(--ink-4);
  font-variant-numeric: tabular-nums;
}

/* Ownership split */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 820px;
}

.split__col h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 600;
}

.split__col ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.split__col li {
  padding: 10px 0;
  border-top: 1px solid var(--line);
  font-size: 16px;
  color: var(--ink);
}

.split__col--out li {
  color: var(--ink-3);
}

/* Rejected vs chosen schematic */
.compare {
  margin-top: 0;
  margin-bottom: 64px;
}

.compare__panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}

.compare__panel {
  padding: 28px;
}

.compare__panel + .compare__panel {
  border-left: 1px solid var(--line);
}

.compare__label {
  margin: 0 0 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-3);
}

.compare__panel--chosen .compare__label {
  color: var(--ink);
}

.compare__big {
  margin: 0 0 20px;
  font-size: 32px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.compare__big span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--ink-3);
}

.cells {
  display: grid;
  grid-template-columns: repeat(30, 1fr);
  gap: 2px;
  margin-bottom: 20px;
}

.cells i {
  display: block;
  aspect-ratio: 1;
  border-radius: 1px;
  background: color-mix(in srgb, var(--good) 55%, transparent);
}

.cells i.is-missing {
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--ink-4);
}

.compare__list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 1.45;
}

.compare__list li {
  display: grid;
  grid-template-columns: 14px 1fr;
  column-gap: 8px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.compare__list b {
  font-weight: 500;
  color: var(--ink);
}

.compare__list span {
  grid-column: 2;
  color: var(--ink-3);
}

.dot {
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
}

.dot--risk { background: var(--risk); }
.dot--warn { background: var(--warn); }

.compare__read {
  margin: 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
}

.compare figcaption {
  margin-top: 12px;
  font-size: 13px;
  color: var(--ink-3);
}

/* Principles */
.principles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 48px;
  max-width: 860px;
  margin-top: 0;
  margin-bottom: 0;
  padding: 0;
  list-style: none;
}

.principle h3 span {
  margin-right: 8px;
  font-weight: 500;
  color: var(--ink-4);
  font-variant-numeric: tabular-nums;
}

.principle {
  padding: 16px 0 20px;
  border-top: 1px solid var(--line);
}

.principle h3 {
  margin: 0 0 4px;
  font-size: 16px;
  line-height: 1.4;
}

.principle p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-3);
}

/* Solution */
.journey {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  font-size: 14px;
  color: var(--ink-3);
}

.journey li {
  counter-increment: step;
}

.journey a {
  color: var(--ink-2);
  text-decoration: none;
}

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

.journey li::before {
  content: counter(step) " ";
  color: var(--ink-4);
  font-variant-numeric: tabular-nums;
}

.journey li + li::before {
  content: "→  " counter(step) " ";
  white-space: pre;
  padding-left: 10px;
}

.screen {
  margin-top: 120px;
}

.section--solution .section__head + .screen {
  margin-top: 80px;
}

.screen__head {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  column-gap: var(--rail-gap);
  margin-bottom: 32px;
}

.screen__head > div {
  max-width: var(--prose);
}

.screen__meta {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-3);
}

.screen__num {
  display: block;
  margin-bottom: 4px;
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.screen__title {
  margin: 0 0 8px;
  font-size: 24px;
  line-height: 1.3;
  letter-spacing: -0.015em;
}

.screen__tag {
  margin-left: 8px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--ink-3);
}

.screen__body {
  margin: 0;
  font-size: 17px;
}

.screen__must {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-3);
}

.screen__must span {
  margin-right: 6px;
  font-weight: 500;
  color: var(--ink-2);
}

/* Product screenshots */
.viz {
  margin: 0;
}

.acr-zoom {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--media-bg);
  cursor: zoom-in;
}

.acr-zoom img {
  display: block;
  width: 100%;
  height: auto;
}

.acr-zoom:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.viz__caption {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-3);
}

.viz__hint {
  color: var(--ink-4);
}

.acr-tap-hint {
  display: none;
}

/* Zoom viewer */
.acr-zoom-viewer {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(248, 250, 252, 0.98);
}

.acr-zoom-viewer__stage {
  width: 100%;
  height: 100%;
  overflow: auto;
  cursor: zoom-out;
  -webkit-overflow-scrolling: touch;
}

.acr-zoom-viewer__img {
  display: block;
  width: max(100%, 2400px);
  max-width: none;
  height: auto;
}

.acr-zoom-viewer__close {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  border: 1px solid #e2e8f0;
  border-radius: 999px;
  background: #fff;
  color: #0f172a;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}

.acr-zoom-viewer__hint {
  position: fixed;
  left: 50%;
  bottom: 20px;
  margin: 0;
  padding: 8px 14px;
  border-radius: 6px;
  background: rgba(15, 23, 42, 0.78);
  color: #fff;
  font-size: 13px;
  transform: translateX(-50%);
  pointer-events: none;
}

@media (hover: hover) and (pointer: fine) {
  .acr-zoom-viewer__stage {
    scrollbar-width: none;
  }

  .acr-zoom-viewer__stage::-webkit-scrollbar {
    display: none;
  }
}

@media (hover: none), (pointer: coarse) {
  .acr-zoom-viewer__img {
    width: 220vw;
  }
}

/* Interactive prototype */
.proto__stage {
  position: relative;
  aspect-ratio: 1440 / 900;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #090a0a;
}

.proto__poster {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
  filter: saturate(0.85);
}

.proto__cover {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  background: rgba(9, 10, 10, 0.62);
  text-align: center;
}

.proto__start {
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 24px;
  border: 0;
  border-radius: 6px;
  background: #fff;
  color: #141517;
  font: 500 16px/1 var(--font);
  text-decoration: none;
  cursor: pointer;
}

.proto__start:hover {
  background: #e9e9e7;
}

.proto__start:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.proto__start--mobile,
.proto__note--mobile {
  display: none;
}

.proto__note {
  margin: 0;
  max-width: 340px;
  font-size: 14px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.78);
}

.proto__frame {
  position: absolute;
  top: 0;
  left: 0;
  width: 1440px;
  height: 900px;
  border: 0;
  transform-origin: 0 0;
  background: #090a0a;
}

.proto.is-live .proto__poster,
.proto.is-live .proto__cover {
  display: none;
}

.proto__meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--ink-3);
}

.proto__meta a {
  color: var(--ink-2);
  text-decoration: none;
}

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

.proto-steps {
  max-width: var(--prose);
  margin-top: 40px;
  margin-bottom: 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--line);
}

.proto-steps li {
  display: flex;
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  font-size: 16px;
  color: var(--ink);
}

.proto-steps span {
  min-width: 24px;
  color: var(--ink-4);
  font-variant-numeric: tabular-nums;
}

.screen-index a.screen-index__try {
  color: var(--accent);
}

/* Metrics table */
.metrics-wrap {
  overflow-x: auto;
}

.metrics {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.5;
}

.metrics td {
  font-variant-numeric: tabular-nums;
}

.metrics th,
.metrics td {
  padding: 14px 24px 14px 0;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid var(--line);
}

.metrics thead th {
  padding-top: 0;
  padding-bottom: 10px;
  border-top: 0;
  border-bottom: 1px solid var(--line-strong);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-3);
}

.metrics tbody th {
  font-weight: 500;
  color: var(--ink);
  width: 44%;
}

.metrics td {
  color: var(--ink-2);
  white-space: nowrap;
}

.metrics td:first-child {
  width: 20%;
  white-space: normal;
  color: var(--ink-3);
}

.metrics tbody tr:last-child > * {
  border-bottom: 1px solid var(--line);
}

.metrics .target {
  color: var(--ink);
  font-weight: 500;
}

.metrics .pending {
  color: var(--warn);
}

/* Evolution tabs */
.evo__tabs {
  display: flex;
  gap: 32px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.evo__tab {
  margin: 0 0 -1px;
  padding: 0 0 12px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  font: inherit;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-3);
  white-space: nowrap;
  cursor: pointer;
}

.evo__tab span {
  margin-right: 8px;
  color: var(--ink-4);
  font-variant-numeric: tabular-nums;
}

.evo__tab:hover {
  color: var(--ink);
}

.evo__tab[aria-selected="true"] {
  border-bottom-color: var(--ink);
  color: var(--ink);
}

.evo__tab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 2px;
}

.evo__panel {
  margin: 0;
}

.evo__stage {
  display: flex;
  align-items: center;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #10181b;
}

.evo__stage--copilot {
  background: #0c1519;
}

.evo__stage img {
  display: block;
  width: 100%;
  height: auto;
}

.evo__panel.is-in-next .evo__stage img {
  animation: evo-in-next 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.evo__panel.is-in-prev .evo__stage img {
  animation: evo-in-prev 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.evo__panel.is-in-next .viz__caption,
.evo__panel.is-in-prev .viz__caption {
  animation: evo-fade 0.55s ease;
}

@keyframes evo-in-next {
  from { opacity: 0; transform: translateX(6%); }
  to { opacity: 1; transform: none; }
}

@keyframes evo-in-prev {
  from { opacity: 0; transform: translateX(-6%); }
  to { opacity: 1; transform: none; }
}

@keyframes evo-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .evo__panel .evo__stage img,
  .evo__panel .viz__caption {
    animation: none !important;
  }
}

.evo__full {
  flex-shrink: 0;
  font-size: 13px;
  color: var(--ink-3);
  text-decoration: none;
}

.evo__full:hover {
  color: var(--ink);
}

/* Validation */
.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 56px;
  margin-top: 0;
  margin-bottom: 56px;
}

.stats span {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 14px;
  color: var(--ink-3);
}

.stats b {
  font-size: 36px;
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.result {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}

.quote--sm {
  margin: 16px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--line-strong);
  font-size: 17px;
  line-height: 1.55;
}

.findings--inputs {
  margin: 0 0 64px;
}

/* Footer */
.case-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 64px;
}

.case-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.case-footer__title {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.case-footer__cta {
  padding: 12px 20px;
  border-radius: 6px;
  background: var(--ink);
  color: var(--bg);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}

.case-footer__cta:hover {
  opacity: 0.88;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --rail: 168px;
    --rail-gap: 32px;
    --section-y: 112px;
  }

  .hero__title {
    font-size: 50px;
  }

  .decision {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .findings__list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .findings__list li {
    padding: 16px 0 20px;
  }
}

/* Mobile */
@media (max-width: 720px) {
  :root {
    --section-y: 80px;
  }

  body {
    font-size: 17px;
    line-height: 1.65;
  }

  .case-nav__links {
    display: none;
  }

  .theme-toggle {
    padding-left: 0;
    border-left: 0;
  }

  .hero {
    padding-top: 56px;
  }

  .hero__title {
    font-size: 42px;
    line-height: 1.08;
  }

  .hero__lede {
    font-size: 18px;
  }

  .hero__meta {
    flex-direction: column;
    gap: 12px;
    margin: 32px 0 40px;
  }

  .hero__meta > div {
    display: flex;
    gap: 16px;
    padding: 0;
    border-left: 0;
  }

  .hero__meta dt {
    min-width: 110px;
    margin: 0;
  }

  .section__head,
  .row,
  .findings,
  .screen__head {
    grid-template-columns: 1fr;
  }

  .section__head {
    margin-bottom: 32px;
  }

  .section__kicker,
  .findings__label {
    margin: 0 0 12px;
  }

  .section__title {
    font-size: 28px;
  }

  .decision-q {
    font-size: 32px;
  }

  .rail-indent {
    margin-left: 0;
  }

  .row__label {
    margin: 0 0 6px;
  }

  .row {
    padding: 20px 0;
  }

  .quote {
    font-size: 20px;
  }

  .quote--sm {
    font-size: 16px;
  }

  .evo__tabs {
    gap: 24px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .evo__tabs::-webkit-scrollbar {
    display: none;
  }

  .stats b {
    font-size: 30px;
  }

  .scale {
    font-size: 20px;
  }

  .split,
  .principles {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .principles {
    gap: 0;
  }

  .screen {
    margin-top: 80px;
  }

  .screen__head {
    margin-bottom: 20px;
  }

  .screen__meta {
    margin: 0 0 8px;
  }

  .screen__num {
    display: inline;
    margin: 0 8px 0 0;
  }

  .screen__title {
    font-size: 22px;
  }

  .screen__tag {
    display: block;
    margin: 2px 0 0;
  }

  .acr-zoom {
    border-radius: 8px;
  }

  .viz__hint {
    display: none;
  }

  .acr-tap-hint {
    display: block;
    margin-top: 8px;
    font-size: 13px;
    color: var(--ink-4);
    pointer-events: none;
  }

  .viz__caption {
    margin-top: 4px;
  }

  .acr-zoom-viewer__close {
    top: max(14px, env(safe-area-inset-top));
    right: 14px;
  }

  /* Metrics table becomes stacked rows */
  .metrics thead {
    display: none;
  }

  .metrics,
  .metrics tbody,
  .metrics tr,
  .metrics th,
  .metrics td {
    display: block;
    width: auto !important;
  }

  .metrics tr {
    padding: 16px 0;
    border-top: 1px solid var(--line);
  }

  .metrics tbody tr:last-child {
    border-bottom: 1px solid var(--line);
  }

  .metrics th,
  .metrics td,
  .metrics tbody tr:last-child > * {
    padding: 0;
    border: 0;
  }

  .metrics tbody th {
    margin: 2px 0 8px;
    font-size: 16px;
  }

  .metrics td:first-child {
    font-size: 13px;
  }

  .metrics td[data-label="Today"],
  .metrics td[data-label="Target"] {
    display: inline-block;
    margin-right: 20px;
  }

  .metrics td[data-label="Today"]::before,
  .metrics td[data-label="Target"]::before {
    content: attr(data-label) " ";
    color: var(--ink-4);
    font-weight: 400;
  }

  .case-footer__title {
    font-size: 20px;
  }

  .screen-index {
    flex-direction: column;
    gap: 10px;
  }

  .compare__panels {
    grid-template-columns: 1fr;
  }

  .compare__panel {
    padding: 22px 20px;
  }

  .compare__panel + .compare__panel {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .compare__big {
    font-size: 28px;
  }

  .compare {
    margin-bottom: 48px;
  }

  .proto__stage {
    aspect-ratio: 4 / 3;
  }

  .proto__start--desktop,
  .proto__start[data-proto-start],
  .proto__note--desktop {
    display: none;
  }

  .proto__start--mobile,
  .proto__note--mobile {
    display: inline-flex;
  }

  .proto__note--mobile {
    display: block;
  }

  .proto__cover {
    background: rgba(10, 11, 13, 0.72);
  }

  .proto__meta span {
    display: none;
  }
}