:root {
  --carbon: #000;
  --paper: #fff;
  --navy: #0d1420;
  --steel: #405a72;
  --slate: #71859a;
  --ice: #dceeff;
  --mist: #eef2f5;
  --blue: #4da2ff;
  --mint: #55db9c;
  --lavender: #e9ccff;
  --ember: #fb5b32;
  --sun: #ffd731;
  --display: "Bowlby One SC", "Arial Black", sans-serif;
  --body: "DM Sans", Inter, Arial, sans-serif;
  --line: 1px solid var(--carbon);
  --radius: 32px;
  --pad: clamp(1.25rem, 3.2vw, 3.5rem);
  --measure: 1340px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--carbon);
  font-family: var(--body);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }
h1, h2, h3, h4, p, figure, blockquote, dl, dd, ol, ul { margin: 0; }

.skip-link {
  position: fixed;
  z-index: 999;
  top: .75rem;
  left: .75rem;
  padding: .7rem 1rem;
  border: var(--line);
  border-radius: 999px;
  background: var(--mint);
  font-weight: 700;
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

.progress {
  position: fixed;
  z-index: 500;
  inset: 0 0 auto;
  height: 4px;
  pointer-events: none;
}

.progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--ember);
  transform: scaleX(0);
  transform-origin: left;
}

.case-marquee {
  overflow: hidden;
  border-bottom: var(--line);
  background: var(--mint);
}

.case-marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 24s linear infinite;
}

.case-marquee span {
  padding: .5rem 0;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .035em;
  white-space: nowrap;
}

@keyframes marquee { to { transform: translateX(-50%); } }

.topbar {
  position: sticky;
  z-index: 300;
  top: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 78px;
  padding: .75rem var(--pad);
  border-bottom: var(--line);
  background: rgba(220, 238, 255, .95);
  backdrop-filter: blur(12px);
  transition: transform 220ms cubic-bezier(.22, 1, .36, 1);
  will-change: transform;
}

.brand { justify-self: start; width: 46px; height: 46px; padding: 0 !important; }
.back-link { justify-self: center; }
.topbar .primary-pill { justify-self: end; }

.pill,
.outline-pill,
.primary-pill {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: .65rem 1rem;
  border: var(--line);
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .035em;
  line-height: 1;
  text-transform: uppercase;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.pill, .outline-pill { background: var(--paper); }
.primary-pill { background: var(--carbon); color: var(--paper); }
.pill:hover, .outline-pill:hover, .primary-pill:hover { transform: translateY(-2px); }
.pill:hover, .outline-pill:hover { background: var(--mint); }
.primary-pill:hover { background: var(--steel); }
a:focus-visible { outline: 3px solid var(--ember); outline-offset: 3px; }

.eyebrow,
.section-number,
.jump-nav,
footer {
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .04em;
  line-height: 1.2;
  text-transform: uppercase;
}

.case-hero {
  position: relative;
  isolation: isolate;
  display: grid;
  min-height: calc(100svh - 108px);
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-template-rows: auto auto 1fr auto;
  gap: 1rem;
  overflow: hidden;
  padding: clamp(3rem, 6vw, 6.5rem) var(--pad) 0;
  background: var(--navy);
  color: var(--paper);
}

.case-hero::before,
.case-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  filter: blur(1px);
}

.case-hero::before {
  top: 12%;
  right: -8%;
  width: min(42vw, 620px);
  height: min(42vw, 620px);
  border: 1px solid rgba(85, 219, 156, .45);
}

.case-hero::after {
  top: 21%;
  right: 2%;
  width: min(24vw, 360px);
  height: min(24vw, 360px);
  border: 1px solid rgba(77, 162, 255, .45);
}

.hero-meta {
  position: relative;
  z-index: 5;
  display: grid;
  grid-column: 1 / 8;
  justify-items: start;
  gap: .65rem;
  padding-left: 1rem;
  border-left: 1px solid var(--mint);
}

.hero-meta > p:last-child { font-size: .86rem; font-weight: 700; }

.case-hero h1,
.section-heading h2 {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: -.052em;
  line-height: .8;
  text-transform: uppercase;
}

.case-hero h1 {
  position: relative;
  z-index: 2;
  grid-column: 1 / -1;
  margin-top: clamp(1.5rem, 3vw, 3rem);
  font-size: clamp(4.8rem, 11.6vw, 11.5rem);
  white-space: nowrap;
}

.case-hero h1 span { color: var(--mint); }

.hero-copy {
  position: relative;
  z-index: 6;
  grid-column: 1 / 5;
  align-self: end;
  padding-bottom: 3rem;
}

.hero-copy > p {
  max-width: 33ch;
  margin-bottom: 2rem;
  font-size: clamp(1.05rem, 1.7vw, 1.45rem);
  font-weight: 700;
  line-height: 1.25;
}

.hero-copy .outline-pill { color: var(--carbon); }

.hero-product {
  position: relative;
  z-index: 3;
  grid-column: 5 / -1;
  align-self: end;
  overflow: hidden;
  border: 1px solid var(--paper);
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--carbon);
}

.hero-product img { aspect-ratio: 16 / 9; object-fit: cover; }

.hero-sticker {
  position: absolute;
  z-index: 7;
  display: grid;
  place-items: center;
  border: var(--line);
  color: var(--carbon);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .035em;
  line-height: 1.12;
  text-align: center;
}

.sticker-one {
  top: 32%;
  right: 5%;
  width: 108px;
  height: 108px;
  border-radius: 50%;
  background: var(--mint);
  transform: rotate(7deg);
}

.sticker-two {
  bottom: 24%;
  left: 39%;
  width: 108px;
  min-height: 78px;
  border-radius: 22px;
  background: var(--lavender);
  transform: rotate(-7deg);
}

.metric-strip {
  position: relative;
  z-index: 8;
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(4, 1fr);
  margin: 0 calc(var(--pad) * -1);
  border-top: 1px solid var(--paper);
  background: var(--mint);
  color: var(--carbon);
}

.metric-strip div { padding: 1.5rem var(--pad); border-right: var(--line); }
.metric-strip div:last-child { border-right: 0; }
.metric-strip strong { display: block; font-family: var(--display); font-size: clamp(2rem, 3vw, 3.2rem); font-weight: 400; line-height: 1; }
.metric-strip span { display: block; margin-top: .45rem; font-size: .78rem; font-weight: 700; text-transform: uppercase; }

.jump-nav {
  position: sticky;
  z-index: 220;
  top: 78px;
  display: flex;
  justify-content: center;
  gap: .45rem;
  overflow-x: auto;
  padding: .6rem var(--pad);
  border-bottom: var(--line);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(12px);
  white-space: nowrap;
  transition: top 220ms cubic-bezier(.22, 1, .36, 1);
}

body.case-nav-hidden .topbar { transform: translateY(-100%); }
body.case-nav-hidden .jump-nav { top: 0; }

.jump-nav span,
.jump-nav a { padding: .55rem .85rem; border-radius: 999px; }
.jump-nav span { background: var(--carbon); color: var(--paper); }
.jump-nav a { border: var(--line); background: var(--paper); transition: background 160ms ease; }
.jump-nav a:hover { background: var(--mint); }

.case-section {
  position: relative;
  isolation: isolate;
  padding: clamp(5rem, 9vw, 10rem) max(var(--pad), calc((100vw - var(--measure)) / 2));
  border-bottom: var(--line);
}

.section-number {
  position: absolute;
  top: clamp(2rem, 4vw, 3.5rem);
  left: max(var(--pad), calc((100vw - var(--measure)) / 2));
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: var(--line);
  border-radius: 50%;
  background: var(--paper);
  color: var(--carbon);
}

.section-heading { max-width: 1240px; padding-top: 2.2rem; }
.section-heading .eyebrow { margin-bottom: clamp(2rem, 4vw, 4rem); }
.section-heading h2 { font-size: clamp(3.2rem, 6.8vw, 7.2rem); }
.section-heading h2 span { color: transparent; -webkit-text-stroke: 1.5px currentColor; }

.section-lead {
  max-width: 860px;
  margin: clamp(3rem, 5vw, 5rem) 0 0 auto;
  font-size: clamp(1.3rem, 2.25vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -.035em;
  line-height: 1.14;
}

.product-context { background: var(--paper); }
.context-copy { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(2rem, 5vw, 5rem); margin-top: clamp(4rem, 7vw, 7rem); }
.context-copy p { font-size: clamp(1.1rem, 1.7vw, 1.45rem); font-weight: 700; line-height: 1.35; }
.workflow-line { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: clamp(4rem, 7vw, 7rem); overflow: hidden; border: var(--line); border-radius: 28px; background: var(--carbon); }
.workflow-line div { position: relative; display: flex; min-height: 180px; flex-direction: column; padding: 1.5rem; background: var(--ice); }
.workflow-line div:nth-child(2) { background: var(--lavender); }
.workflow-line div:nth-child(3) { background: var(--mint); }
.workflow-line div:nth-child(4) { background: var(--sun); }
.workflow-line span { font-size: .72rem; font-weight: 700; }
.workflow-line strong { max-width: 13ch; margin-top: auto; font-size: clamp(1.3rem, 2vw, 2rem); line-height: 1.04; }

.problem { background: var(--mist); }
.problem-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: clamp(4rem, 7vw, 7rem); }
.problem-grid article { display: flex; min-height: 280px; flex-direction: column; padding: clamp(1.5rem, 3vw, 3rem); border: var(--line); border-radius: var(--radius); }
.problem-grid article:nth-child(1) { background: var(--sun); }
.problem-grid article:nth-child(2) { background: var(--lavender); }
.problem-grid article:nth-child(3) { background: var(--ice); }
.problem-grid article:nth-child(4) { background: var(--mint); }
.problem-grid span { font-size: .72rem; font-weight: 700; }
.problem-grid h3 { margin: auto 0 1rem; font-size: clamp(2rem, 3.5vw, 3.8rem); letter-spacing: -.055em; line-height: .95; }
.problem-grid p { max-width: 50ch; }

.users { background: var(--lavender); }
.persona-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; margin-top: clamp(4rem, 7vw, 7rem); }
.persona { overflow: hidden; border: var(--line); border-radius: 40px; background: var(--paper); }
.persona-top { min-height: 280px; padding: clamp(1.5rem, 3vw, 3rem); }
.analyst .persona-top { background: var(--navy); color: var(--paper); }
.engineer .persona-top { background: var(--mint); }
.persona-top span { font-size: .72rem; font-weight: 700; letter-spacing: .04em; }
.persona-top h3 { margin-top: 4rem; font-size: clamp(2.6rem, 5vw, 5rem); letter-spacing: -.06em; line-height: .9; }
.persona-top p { margin-top: .8rem; font-size: 1.1rem; font-weight: 700; }
.persona blockquote { min-height: 138px; padding: 2rem; border-top: var(--line); border-bottom: var(--line); background: var(--sun); font-size: clamp(1.3rem, 2vw, 2rem); font-weight: 700; letter-spacing: -.035em; line-height: 1.1; }
.persona-details { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--carbon); }
.persona-details > div { padding: 1.75rem; background: var(--paper); }
.persona-details h4 { margin-bottom: 1.25rem; font-size: 1.3rem; }
.persona-details ul { display: grid; gap: .8rem; padding-left: 1.1rem; }

.scope { background: var(--navy); color: var(--paper); }
.scope .section-heading h2 span { -webkit-text-stroke-color: var(--paper); }
.scope-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: clamp(4rem, 7vw, 7rem); }
.scope-grid article { display: flex; min-height: 350px; flex-direction: column; padding: clamp(1.4rem, 2.5vw, 2.5rem); border: 1px solid var(--paper); border-radius: var(--radius); }
.scope-grid article:nth-child(1) { background: var(--ice); color: var(--carbon); }
.scope-grid article:nth-child(2) { background: var(--mint); color: var(--carbon); }
.scope-grid article:nth-child(3) { background: var(--lavender); color: var(--carbon); }
.scope-grid article:nth-child(4) { background: var(--steel); }
.scope-grid span { font-size: .72rem; font-weight: 700; }
.scope-grid h3 { margin: auto 0 1.3rem; font-size: clamp(1.8rem, 2.7vw, 2.9rem); letter-spacing: -.05em; line-height: .95; }

.dataset { background: var(--ice); }
.wizard-board { display: grid; grid-template-columns: .65fr 1.35fr; gap: 1px; margin-top: clamp(4rem, 7vw, 7rem); overflow: hidden; border: var(--line); border-radius: 40px; background: var(--carbon); }
.wizard-steps { display: grid; padding: 0; background: var(--navy); color: var(--paper); list-style: none; }
.wizard-steps li { display: grid; grid-template-columns: 2.5rem 1fr; gap: 1rem; align-items: center; padding: 1.25rem 1.5rem; border-bottom: 1px solid rgba(255, 255, 255, .25); }
.wizard-steps li:last-child { border-bottom: 0; }
.wizard-steps li:first-child, .wizard-steps li:last-child { background: var(--mint); color: var(--carbon); }
.wizard-steps span { font-size: .72rem; font-weight: 700; }
.wizard-steps strong { font-size: 1.05rem; }
.wizard-notes { display: grid; gap: 1px; background: var(--carbon); }
.wizard-notes article { display: grid; grid-template-columns: .72fr 1.28fr; gap: 2rem; align-items: center; padding: clamp(1.5rem, 3vw, 3rem); background: var(--paper); }
.wizard-notes article:nth-child(2) { background: var(--lavender); }
.wizard-notes article:nth-child(3) { background: var(--sun); }
.wizard-notes h3 { font-size: clamp(1.8rem, 3vw, 3rem); letter-spacing: -.05em; line-height: .95; }

.models { background: var(--paper); }
.model-compare { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: clamp(4rem, 7vw, 7rem); }
.model-compare article { min-height: 280px; padding: clamp(1.5rem, 3vw, 3rem); border: var(--line); border-radius: var(--radius); }
.model-compare article:first-child { background: var(--lavender); }
.model-compare article:last-child { background: var(--mint); }
.model-compare span { font-size: .72rem; font-weight: 700; }
.model-compare h3 { margin: 5rem 0 .75rem; font-size: clamp(2.5rem, 5vw, 5rem); letter-spacing: -.06em; line-height: .88; }
.model-compare p { font-size: 1.05rem; font-weight: 700; }
.model-story { position: relative; margin-top: clamp(5rem, 9vw, 9rem); padding: clamp(1.5rem, 3vw, 3rem); border: var(--line); border-radius: 40px; }
.analysis-story { background: var(--navy); color: var(--paper); }
.production-story { background: var(--steel); color: var(--paper); }
.story-index { display: grid; width: 54px; height: 54px; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-size: .75rem; font-weight: 700; }
.story-copy { max-width: 900px; margin: 3rem 0 0 auto; }
.story-copy h3 { margin: 2rem 0 1.5rem; font-size: clamp(2.8rem, 6vw, 6.5rem); letter-spacing: -.06em; line-height: .9; }
.story-copy > p:last-child { max-width: 70ch; font-size: 1.05rem; }
.analysis-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 4rem; overflow: hidden; border: 1px solid var(--paper); border-radius: 24px; background: var(--paper); color: var(--paper); }
.analysis-features article { min-height: 210px; padding: 1.5rem; background: var(--navy); }
.analysis-features strong { display: block; margin-bottom: 2rem; font-size: 1.35rem; }
.monitoring-visual { margin: 4rem -3vw 0; overflow: hidden; border-top: 1px solid var(--paper); border-bottom: 1px solid var(--paper); background: #405a72; }
.monitoring-visual img { width: 100%; height: auto; object-fit: contain; }
.monitoring-features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 3rem; overflow: hidden; border: 1px solid var(--paper); border-radius: 24px; background: var(--paper); color: var(--carbon); }
.monitoring-features article { min-height: 200px; padding: 1.5rem; background: var(--ice); }
.monitoring-features article:nth-child(2) { background: var(--mint); }
.monitoring-features article:nth-child(3) { background: var(--lavender); }
.monitoring-features article:nth-child(4) { background: var(--sun); }
.monitoring-features strong { display: block; margin-bottom: 2rem; font-size: 1.25rem; }

.decisions { background: var(--mist); }
.decision-stack { display: grid; gap: 1.25rem; margin-top: clamp(4rem, 7vw, 7rem); }
.decision { display: grid; grid-template-columns: .72fr 1.28fr; overflow: hidden; border: var(--line); border-radius: 36px; }
.decision > div { padding: clamp(1.5rem, 3.5vw, 3.5rem); }
.instead { background: var(--paper); }
.choice { border-left: var(--line); background: var(--mint); }
.decision:nth-child(2) .choice { background: var(--lavender); }
.decision:nth-child(3) .choice { background: var(--ice); }
.decision:nth-child(4) .choice { background: var(--sun); }
.decision h3 { max-width: 18ch; margin: 2rem 0 1.25rem; font-size: clamp(2rem, 3.6vw, 4rem); letter-spacing: -.055em; line-height: .95; }
.decision p:last-child { max-width: 62ch; }
.instead h3 { color: #747474; text-decoration: line-through; text-decoration-thickness: 2px; }

.reflection { background: var(--lavender); }
.reflection .section-heading { max-width: 100%; }
.reflection .section-heading h2 { max-width: 100%; font-size: clamp(3.2rem, 6.5vw, 7rem); line-height: .9; }
.reflection .section-heading h2 .reflection-line { display: block; color: inherit; -webkit-text-stroke: 0; }
.reflection-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: clamp(4rem, 7vw, 7rem); }
.reflection-grid article { display: flex; min-height: 390px; flex-direction: column; padding: clamp(1.5rem, 3vw, 3rem); border: var(--line); border-radius: var(--radius); }
.reflection-grid article:nth-child(1) { background: var(--sun); }
.reflection-grid article:nth-child(2) { background: var(--paper); }
.reflection-grid article:nth-child(3) { background: var(--mint); }
.reflection-grid article:nth-child(4) { background: var(--ice); }
.reflection-grid span { font-size: .72rem; font-weight: 700; }
.reflection-grid h3 { margin: auto 0 1.5rem; font-size: clamp(2rem, 3.4vw, 3.6rem); letter-spacing: -.055em; line-height: .95; }

.outcome { background: var(--navy); color: var(--paper); }
.outcome .section-heading h2 span { -webkit-text-stroke-color: var(--paper); }
.outcome-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: clamp(4rem, 7vw, 7rem); color: var(--carbon); }
.outcome-grid article { min-height: 280px; padding: clamp(1.5rem, 3vw, 3rem); border: 1px solid var(--paper); border-radius: var(--radius); background: var(--mint); }
.outcome-grid article:nth-child(2) { background: var(--ice); }
.outcome-grid article:nth-child(3) { background: var(--lavender); }
.outcome-grid article:nth-child(4) { background: var(--sun); }
.outcome-grid strong { font-family: var(--display); font-size: clamp(4rem, 8vw, 8rem); font-weight: 400; letter-spacing: -.06em; line-height: .85; }
.outcome-grid p { max-width: 42ch; margin-top: 2rem; font-size: 1rem; font-weight: 700; text-transform: uppercase; }
.case-next { margin-top: clamp(5rem, 9vw, 9rem); text-align: center; }
.case-next p { margin-bottom: 1rem; font-size: .78rem; font-weight: 700; text-transform: uppercase; }
.case-next a { display: inline-flex; align-items: center; gap: 1rem; font-family: var(--display); font-size: clamp(2.4rem, 6vw, 6.5rem); letter-spacing: -.055em; line-height: .9; text-transform: uppercase; }
.case-next a span { transition: transform 180ms ease; }
.case-next a:hover span { transform: translateX(.35em); }

footer { display: flex; justify-content: space-between; gap: 2rem; padding: 1.5rem var(--pad); background: var(--carbon); color: var(--paper); }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity 700ms ease, transform 700ms cubic-bezier(.22, 1, .36, 1); }
.reveal.visible,
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1050px) {
  .scope-grid { grid-template-columns: repeat(2, 1fr); }
  .scope-grid article { min-height: 290px; }
  .wizard-board { grid-template-columns: .8fr 1.2fr; }
  .monitoring-features { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .hero-copy { grid-column: 1 / 6; }
  .hero-product { grid-column: 6 / -1; }
  .context-copy { grid-template-columns: 1fr; }
  .workflow-line { grid-template-columns: repeat(2, 1fr); }
  .persona-grid { grid-template-columns: 1fr; }
  .wizard-board { grid-template-columns: 1fr; }
  .wizard-steps { grid-template-columns: repeat(2, 1fr); }
  .wizard-steps li { border-right: 1px solid rgba(255, 255, 255, .25); }
  .wizard-notes article { grid-template-columns: 1fr; }
  .analysis-features { grid-template-columns: 1fr; }
  .analysis-features article { min-height: 150px; }
}

@media (max-width: 760px) {
  .topbar { grid-template-columns: auto 1fr auto; min-height: 68px; }
  .back-link { justify-self: center; }
  .topbar .primary-pill { min-height: 40px; padding-inline: .8rem; font-size: .7rem; }
  .jump-nav { top: 68px; justify-content: flex-start; }
  .case-hero { display: block; min-height: auto; padding-top: 3.5rem; }
  .hero-meta { display: grid; }
  .case-hero h1 { margin: 2.5rem 0 2rem; font-size: clamp(3.7rem, 17vw, 6rem); white-space: normal; }
  .hero-copy { padding-bottom: 2.5rem; }
  .hero-product { margin: 0 -.4rem; border-radius: 24px 24px 0 0; }
  .hero-product img { aspect-ratio: 4 / 3; }
  .hero-sticker { display: none; }
  .metric-strip { grid-template-columns: repeat(2, 1fr); margin: 0 calc(var(--pad) * -1); }
  .metric-strip div { border-bottom: var(--line); }
  .metric-strip div:nth-child(2) { border-right: 0; }
  .metric-strip div:nth-child(3), .metric-strip div:nth-child(4) { border-bottom: 0; }
  .section-heading h2 { font-size: clamp(2.9rem, 13.5vw, 5rem); }
  .section-lead { margin-top: 2.5rem; }
  .problem-grid, .model-compare, .reflection-grid, .outcome-grid { grid-template-columns: 1fr; }
  .persona-details { grid-template-columns: 1fr; }
  .scope-grid { grid-template-columns: 1fr; }
  .scope-grid article { min-height: 250px; }
  .workflow-line { grid-template-columns: 1fr; }
  .workflow-line div { min-height: 145px; }
  .model-compare article { min-height: 230px; }
  .monitoring-visual { margin-right: -1.5rem; margin-left: -1.5rem; overflow-x: auto; }
  .monitoring-visual img { min-width: 960px; width: 960px; }
  .monitoring-features { grid-template-columns: 1fr; }
  .monitoring-features article { min-height: 150px; }
  .decision { grid-template-columns: 1fr; }
  .choice { border-top: var(--line); border-left: 0; }
  .reflection-grid article { min-height: 300px; }
  .outcome-grid article { min-height: 230px; }
  .case-next a { font-size: clamp(2rem, 10vw, 4rem); }
}

@media (max-width: 470px) {
  .brand { width: 40px; height: 40px; }
  .back-link { padding-inline: .75rem; font-size: .68rem; }
  .topbar .primary-pill { width: 40px; overflow: hidden; padding: 0; color: transparent; }
  .topbar .primary-pill::after { content: "↗"; color: var(--paper); font-size: 1rem; }
  .jump-nav span { display: none; }
  .metric-strip div { padding: 1.25rem; }
  .section-number { width: 42px; height: 42px; }
  .section-heading { padding-top: 1.7rem; }
  .problem-grid article, .model-story, .persona, .wizard-board { border-radius: 26px; }
  .wizard-steps { grid-template-columns: 1fr; }
  .wizard-steps li { border-right: 0; }
  .story-copy h3 { font-size: 2.8rem; }
  footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .topbar, .jump-nav { transition: none; }
  .case-marquee-track { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}