:root {
  --ink: #0000cd;
  --ink-soft: #2b1494;
  --paper: #efe6db;
  --paper-2: #e5dcc4;
  --white: #fffaf0;
  --acid: #b6cf4f;
  --mint: #b6cf4f;
  --coral: #fe5000;
  --line: rgba(26, 0, 136, .18);
  --muted: #000000;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
button { font: inherit; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: .7rem 1rem;
  background: var(--acid);
  color: var(--ink);
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 72px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  color: var(--white);
  background: rgba(26, 0, 136, .95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  width: max-content;
  text-decoration: none;
  font-weight: 720;
  letter-spacing: -.02em;
}
.wordmark-mark {
  display: grid;
  place-items: center;
  width: 34px;
  aspect-ratio: 1;
  border: 1px solid var(--acid);
  border-radius: 50%;
  color: var(--acid);
  font-size: .72rem;
  letter-spacing: .06em;
}
nav { display: flex; gap: 1.65rem; }
nav a {
  color: rgba(255,255,255,.72);
  text-decoration: none;
  font-size: .83rem;
  font-weight: 650;
}
nav a:hover, nav a:focus-visible { color: var(--acid); }
.header-cta {
  justify-self: end;
  padding: .55rem .95rem;
  color: var(--ink);
  background: var(--acid);
  text-decoration: none;
  font-size: .82rem;
  font-weight: 750;
  border-radius: 99px;
}

.hero {
  position: relative;
  min-height: calc(100svh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(290px, .75fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
  padding: clamp(5rem, 10vw, 9rem) max(24px, calc((100vw - var(--max)) / 2));
  color: var(--white);
  background: var(--ink);
  overflow: hidden;
}
.hero-grid {
  position: absolute;
  inset: 0;
  opacity: .13;
  background-image:
    linear-gradient(rgba(255,255,255,.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.35) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to right, black 0%, transparent 78%);
}
.hero::after {
  content: "";
  position: absolute;
  width: 470px;
  height: 470px;
  left: -250px;
  bottom: -270px;
  border: 1px solid var(--mint);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(86,230,173,.04), 0 0 0 140px rgba(86,230,173,.025);
}
.hero-copy, .impact-panel, .scroll-cue { position: relative; z-index: 1; }
.eyebrow {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.1rem;
  color: var(--acid);
  font-size: .74rem;
  font-weight: 750;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.eyebrow span + span {
  padding-left: 1rem;
  border-left: 1px solid rgba(255,255,255,.3);
  color: rgba(255,255,255,.56);
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 2rem;
  max-width: 800px;
  font-size: clamp(4rem, 8.7vw, 8.7rem);
  line-height: .86;
  letter-spacing: -.075em;
  font-weight: 770;
}
h1 em { color: var(--acid); font-family: Georgia, serif; font-weight: 400; }
.hero-deck {
  max-width: 720px;
  margin-bottom: 2.7rem;
  color: rgba(255,255,255,.72);
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  line-height: 1.55;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.3rem 3rem;
}
.hero-meta div { min-width: 120px; }
.meta-label {
  display: block;
  margin-bottom: .15rem;
  color: rgba(255,255,255,.42);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.hero-meta strong { font-size: .9rem; font-weight: 650; }
.impact-panel {
  padding: 2rem;
  border: 1px solid rgba(201,255,88,.55);
  background: rgba(255,255,255,.045);
  box-shadow: 24px 24px 0 rgba(201,255,88,.08);
}
.impact-kicker {
  margin-bottom: 1.2rem;
  color: var(--acid);
  font-size: .72rem;
  font-weight: 750;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.impact-number {
  margin: 0;
  font-size: clamp(4.5rem, 7vw, 7rem);
  line-height: .8;
  letter-spacing: -.08em;
  font-weight: 760;
}
.impact-number small { margin-left: .15em; color: var(--acid); font-size: .3em; letter-spacing: 0; }
.impact-caption { margin: 1rem 0 1.6rem; color: rgba(255,255,255,.62); }
.impact-rule { height: 1px; background: rgba(255,255,255,.17); }
.impact-panel dl { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin: 1.6rem 0 0; }
.impact-panel dl div { display: flex; flex-direction: column; }
.impact-panel dt { font-size: 1.3rem; font-weight: 750; }
.impact-panel dd { margin: 0; color: rgba(255,255,255,.48); font-size: .74rem; }
.scroll-cue {
  position: absolute;
  left: max(24px, calc((100vw - var(--max)) / 2));
  bottom: 1.8rem;
  display: flex;
  align-items: center;
  gap: .65rem;
  color: rgba(255,255,255,.35);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.scroll-cue span { width: 34px; height: 1px; background: var(--acid); }

.section {
  padding: clamp(5rem, 10vw, 9rem) max(24px, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid var(--line);
}
.section-index {
  margin-bottom: clamp(2.5rem, 5vw, 5rem);
  color: var(--muted);
  font-size: .7rem;
  font-weight: 750;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.kicker {
  margin-bottom: .9rem;
  color: var(--ink);
  font-size: .74rem;
  font-weight: 780;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.kicker.light { color: var(--acid); }
.section h2 {
  max-width: 900px;
  margin-bottom: 0;
  font-size: clamp(2.6rem, 5.8vw, 5.3rem);
  line-height: .99;
  letter-spacing: -.055em;
}
.section-intro { margin-bottom: clamp(3rem, 6vw, 5rem); }
.split-heading {
  display: grid;
  grid-template-columns: 1.5fr .7fr;
  gap: clamp(2rem, 8vw, 7rem);
  align-items: end;
}
.split-heading > p {
  margin: 0;
  max-width: 480px;
  color: var(--muted);
}

.decision { background: var(--white); }
.decision-layout {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: clamp(3rem, 10vw, 9rem);
  align-items: center;
}
.lead {
  max-width: 650px;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  line-height: 1.5;
}
.problem-statement {
  position: relative;
  padding: 2.4rem 2.4rem 1.8rem;
  color: var(--white);
  background: var(--ink);
}
.problem-statement p { margin: 0; font-family: Georgia, serif; font-size: clamp(1.7rem, 3vw, 2.6rem); line-height: 1.2; }
.quote-mark {
  position: absolute;
  right: 1rem;
  top: -.5rem;
  color: var(--acid);
  font-family: Georgia, serif;
  font-size: 7rem;
  line-height: 1;
  opacity: .32;
}
.role-strip {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 4rem;
}
.role-strip span {
  padding: .55rem .85rem;
  border: 1px solid var(--line);
  border-radius: 99px;
  font-size: .78rem;
  font-weight: 650;
}

.method-section { background: var(--paper); }
.evidence-trail {
  display: grid;
  grid-template-columns: .55fr 1.45fr;
  min-height: 410px;
  border: 1px solid var(--ink);
  background: var(--white);
}
.trail-tabs {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--ink);
}
.trail-tab {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.4rem;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  background: transparent;
  text-align: left;
  font-weight: 720;
  cursor: pointer;
}
.trail-tab:last-child { border-bottom: 0; }
.trail-tab span { font-size: .68rem; letter-spacing: .1em; }
.trail-tab:hover, .trail-tab:focus-visible { color: var(--ink); background: rgba(201,255,88,.18); }
.trail-tab.is-active { color: var(--ink); background: var(--acid); }
.trail-panels { min-width: 0; }
.trail-panel {
  height: 100%;
  padding: clamp(2.3rem, 6vw, 5rem);
  animation: panel-in .35s ease both;
}
@keyframes panel-in { from { opacity: 0; transform: translateY(9px); } to { opacity: 1; transform: none; } }
.stage-type { color: var(--ink); font-size: .73rem; font-weight: 780; letter-spacing: .12em; text-transform: uppercase; }
.trail-panel h3 { margin-bottom: 1.2rem; font-size: clamp(2rem, 4.2vw, 3.7rem); line-height: 1; letter-spacing: -.05em; }
.trail-panel > p:not(.stage-type) { max-width: 650px; color: var(--muted); font-size: 1.08rem; }
.stage-proof { display: flex; align-items: center; gap: 1rem; margin-top: 2.7rem; }
.stage-proof strong { color: var(--ink); font-size: 3rem; line-height: .9; letter-spacing: -.05em; }
.stage-proof span { padding-left: 1rem; border-left: 1px solid var(--line); color: var(--muted); font-size: .75rem; line-height: 1.35; }

.insight-section { color: var(--white); background: var(--ink); }
.insight-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(3rem, 10vw, 9rem); align-items: start; }
.insight-copy h2 { max-width: 720px; }
.insight-copy > p:last-child { max-width: 580px; margin-top: 2rem; color: rgba(255,255,255,.6); font-size: 1.1rem; }
.question-stack { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.2); }
.question-stack li { display: grid; grid-template-columns: 55px 1fr; align-items: center; min-height: 90px; border-bottom: 1px solid rgba(255,255,255,.2); }
.question-stack span { color: var(--acid); font-size: .7rem; letter-spacing: .1em; }
.question-stack p { margin: 0; font-family: Georgia, serif; font-size: clamp(1.35rem, 2.5vw, 2rem); }

.language-section { background: var(--white); }
.wording-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.word-card { padding: clamp(1.6rem, 4vw, 3rem); border: 1px solid var(--ink); }
.word-card.positive { background: #eff6c9; box-shadow: 12px 12px 0 var(--ink); }
.word-card.negative { color: var(--white); background: var(--ink); }
.word-card-head { display: flex; justify-content: space-between; margin-bottom: 2.3rem; }
.word-card-head span:first-child { font-size: 1.7rem; font-weight: 820; letter-spacing: -.03em; }
.word-card-head span:last-child { align-self: center; color: currentColor; opacity: .55; font-size: .68rem; text-transform: uppercase; letter-spacing: .1em; }
.bar-row { display: grid; grid-template-columns: 32px 1fr 78px; gap: .8rem; align-items: center; margin: 1.2rem 0; }
.bar-row > span { font-size: .72rem; font-weight: 750; }
.bar-row strong { text-align: right; font-size: .9rem; }
.bar-track { height: 12px; background: rgba(7,20,15,.12); overflow: hidden; }
.negative .bar-track { background: rgba(255,255,255,.12); }
.bar-track i { display: block; width: var(--value); height: 100%; background: var(--ink); transform-origin: left; }
.negative .bar-track i { margin-left: auto; background: var(--coral); }
.word-card > p { margin: 2rem 0 0; max-width: 480px; font-family: Georgia, serif; font-size: 1.15rem; line-height: 1.35; }

.translation-section { background: var(--paper-2); }
.translation-table { border-top: 1px solid var(--ink); }
.translation-row {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr;
  border-bottom: 1px solid var(--ink);
}
.translation-row span { padding: 1.5rem 1.2rem 1.5rem 0; }
.translation-row span + span { padding-left: 1.2rem; border-left: 1px solid var(--line); }
.translation-row.header { color: var(--muted); font-size: .7rem; font-weight: 780; letter-spacing: .1em; text-transform: uppercase; }
.translation-row:not(.header) span { font-size: .95rem; }
.translation-row:not(.header) span:first-child { color: var(--muted); }
.translation-row strong { color: var(--ink); }

.screens-section { background: var(--white); }
.screen-compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 100px minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
  max-width: 970px;
  margin: 0 auto;
}
.screen-card { margin: 0; }
.screen-card figcaption { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 1rem; }
.screen-card figcaption span { font-weight: 800; }
.screen-card figcaption small { color: var(--muted); }
.phone-frame {
  padding: 1rem;
  border: 1px solid var(--ink);
  border-radius: 28px;
  background: #fff;
  box-shadow: 14px 16px 0 var(--paper-2);
  overflow: hidden;
}
.screen-card.featured .phone-frame { box-shadow: 14px 16px 0 var(--acid); }
.phone-frame img { width: 100%; border-radius: 18px; }
.compare-arrow { display: flex; flex-direction: column; align-items: center; gap: .5rem; color: var(--ink); text-align: center; }
.compare-arrow span { font-size: 3rem; line-height: 1; }
.compare-arrow small { font-size: .66rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.scope-note { max-width: 860px; margin: 4rem auto 0; padding-top: 1.4rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .84rem; }
.scope-note strong { color: var(--ink); }

.outcome-section { color: var(--white); background: var(--ink); }
.light-index { color: rgba(255,255,255,.42); }
.outcome-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(3rem, 9vw, 8rem); align-items: center; }
.outcome-layout h2 { max-width: 600px; }
.outcome-note { margin-top: 1.7rem; color: rgba(255,255,255,.55); font-size: .85rem; }
.conversion-chart { position: relative; padding: clamp(1.7rem, 4vw, 3rem); border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.04); }
.conversion-row { display: grid; grid-template-columns: 135px 1fr 72px; gap: .8rem; align-items: center; margin: 1.4rem 0; }
.conversion-row span { font-size: .76rem; color: rgba(255,255,255,.6); }
.conversion-track { height: 20px; background: rgba(255,255,255,.08); overflow: hidden; }
.conversion-track i { display: block; width: var(--width); height: 100%; background: rgba(255,255,255,.35); }
.conversion-row.variant .conversion-track i { background: var(--acid); }
.conversion-row strong { text-align: right; font-size: .9rem; }
.lift-callout { display: grid; grid-template-columns: auto 1fr; gap: .1rem .7rem; align-items: end; margin: 2.5rem 0 0 135px; padding-top: 1.3rem; border-top: 1px solid rgba(255,255,255,.15); }
.lift-callout strong { grid-row: 1 / 3; color: var(--acid); font-size: 2.7rem; line-height: .9; letter-spacing: -.05em; }
.lift-callout span { font-size: .75rem; font-weight: 720; }
.lift-callout small { color: rgba(255,255,255,.45); font-size: .68rem; }
.outcome-proof { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 5rem; background: rgba(255,255,255,.18); }
.outcome-proof div { display: flex; flex-direction: column; padding: 1.5rem; background: var(--ink); }
.outcome-proof strong { color: var(--acid); font-size: 1.5rem; }
.outcome-proof span { color: rgba(255,255,255,.5); font-size: .72rem; }

.ai-section { background: #eff6c9; }
.ai-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(3rem, 9vw, 8rem); }
.ai-heading h2 { font-size: clamp(2.5rem, 4.7vw, 4.3rem); }
.ai-system { counter-reset: ai; border-top: 1px solid var(--ink); }
.ai-system article { display: grid; grid-template-columns: 38px 1fr; gap: 0 1rem; padding: 1.5rem 0; border-bottom: 1px solid var(--ink); }
.ai-system article > span { grid-row: 1 / 3; color: var(--ink); font-size: .7rem; font-weight: 780; }
.ai-system h3 { margin-bottom: .35rem; font-size: 1.25rem; }
.ai-system p { margin: 0; color: var(--muted); font-size: .9rem; }
.ai-principle { margin-top: 4rem; padding: 1rem 1.3rem; color: var(--white); background: var(--ink); font-family: Georgia, serif; font-size: 1.15rem; }
.ai-principle span { margin-right: .7rem; color: var(--acid); }

.transfer-section { background: var(--paper); }
.transfer-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(2rem, 8vw, 7rem); align-items: end; }
.transfer-layout p { margin: 0; color: var(--muted); }
.transfer-list { display: grid; grid-template-columns: repeat(4, 1fr); margin: 4rem 0 0; padding: 0; list-style: none; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.transfer-list li { padding: 1.3rem 1rem; font-size: .85rem; font-weight: 700; text-align: center; }
.transfer-list li + li { border-left: 1px solid var(--ink); }

footer {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 3rem 6rem;
  padding: clamp(4rem, 8vw, 7rem) max(24px, calc((100vw - var(--max)) / 2)) 2rem;
  color: var(--white);
  background: var(--ink);
}
.footer-kicker { color: var(--acid); font-size: .72rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
footer h2 { margin: 0; font-size: clamp(2.2rem, 4.7vw, 4rem); line-height: 1; letter-spacing: -.05em; }
.footer-contact { align-self: end; display: flex; flex-direction: column; gap: .4rem; }
.footer-contact p { margin: 0 0 .5rem; color: var(--acid); font-weight: 750; }
.footer-contact a { width: max-content; color: rgba(255,255,255,.72); text-decoration: none; font-size: .9rem; }
.footer-contact a:hover { color: var(--acid); }
.disclosure {
  grid-column: 1 / -1;
  margin: 2rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,.14);
  color: rgba(255,255,255,.38);
  font-size: .7rem;
  line-height: 1.5;
}

@media (prefers-reduced-motion: no-preference) {
  .section > * { transition: opacity .5s ease, transform .5s ease; }
  .js .section > *.reveal-pending { opacity: 0; transform: translateY(16px); }
}

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-bottom: 6rem; }
  .impact-panel { max-width: 520px; }
  .split-heading, .decision-layout, .insight-grid, .outcome-layout, .ai-layout, .transfer-layout { grid-template-columns: 1fr; }
  .split-heading { align-items: start; }
  .evidence-trail { grid-template-columns: 1fr; }
  .trail-tabs { flex-direction: row; border-right: 0; border-bottom: 1px solid var(--ink); }
  .trail-tab { justify-content: center; border-bottom: 0; border-right: 1px solid var(--line); }
  .trail-tab:last-child { border-right: 0; }
  .screen-compare { grid-template-columns: 1fr 60px 1fr; gap: 1rem; }
}

@media (max-width: 660px) {
  body { font-size: 16px; }
  .site-header { height: 64px; padding-inline: 18px; }
  .wordmark > span:last-child { display: none; }
  .hero { min-height: calc(100svh - 64px); padding-inline: 20px; }
  .eyebrow { flex-direction: column; gap: .35rem; }
  .eyebrow span + span { padding: 0; border: 0; }
  h1 { font-size: clamp(3.6rem, 18vw, 5.2rem); }
  .hero-meta { display: grid; grid-template-columns: 1fr 1fr; }
  .impact-panel { padding: 1.5rem; }
  .scroll-cue { display: none; }
  .section { padding-inline: 20px; }
  .section h2 { font-size: clamp(2.45rem, 12vw, 3.6rem); }
  .trail-tab { flex-direction: column; gap: .2rem; padding: .9rem .4rem; font-size: .75rem; }
  .trail-panel { padding: 1.6rem; }
  .wording-grid { grid-template-columns: 1fr; }
  .translation-row { grid-template-columns: 1fr; padding: 1rem 0; }
  .translation-row.header { display: none; }
  .translation-row span { padding: .4rem 0; }
  .translation-row span + span { padding-left: 0; border-left: 0; }
  .translation-row span::before { display: block; margin-bottom: .15rem; color: var(--muted); font-size: .62rem; font-weight: 780; letter-spacing: .09em; text-transform: uppercase; }
  .translation-row span:nth-child(1)::before { content: "Evidence"; }
  .translation-row span:nth-child(2)::before { content: "Design requirement"; }
  .translation-row span:nth-child(3)::before { content: "Screen direction"; }
  .screen-compare { grid-template-columns: 1fr; max-width: 430px; }
  .compare-arrow { padding: 1rem 0; }
  .compare-arrow span { transform: rotate(90deg); }
  .conversion-row { grid-template-columns: 1fr 60px; }
  .conversion-row span { grid-column: 1 / -1; }
  .lift-callout { margin-left: 0; }
  .outcome-proof { grid-template-columns: 1fr; }
  .transfer-list { grid-template-columns: 1fr 1fr; }
  .transfer-list li:nth-child(3) { border-left: 0; border-top: 1px solid var(--ink); }
  .transfer-list li:nth-child(4) { border-top: 1px solid var(--ink); }
  footer { grid-template-columns: 1fr; padding-inline: 20px; }
  .disclosure { grid-column: 1; }
}

/* Compact neo-brutalist system shared with the portfolio */
:root{--ink:#111;--ink-soft:#28251f;--paper:#efe6db;--paper-2:#fffdf6;--white:#fffdf6;--acid:#b6cf4f;--mint:#b6cf4f;--coral:#fe5000;--blue:#0000cd;--line:#111;--muted:#4f4b44;--max:1180px}
body{font-size:16px;line-height:1.45;color:var(--ink)}
.site-header{height:62px;padding:0 max(22px,calc((100vw - var(--max))/2));color:var(--ink);background:var(--white);backdrop-filter:none;border-bottom:2px solid var(--ink)}
.wordmark{font-weight:950;letter-spacing:-.04em}.site-header nav{gap:.4rem}.site-header nav a{padding:.45rem .7rem;border:1.5px solid transparent;color:var(--ink);font-size:.7rem;font-weight:850;text-transform:uppercase}.site-header nav a:hover,.site-header nav a:focus-visible{border-color:var(--ink);color:var(--ink);background:var(--acid)}
.header-cta{padding:.45rem .75rem;border:1.5px solid var(--ink);border-radius:0;color:var(--ink);background:var(--coral);box-shadow:3px 3px 0 var(--ink);font-size:.7rem;font-weight:850;text-transform:uppercase}
.hero{min-height:auto;grid-template-columns:minmax(0,1.55fr) minmax(280px,.75fr);gap:clamp(2rem,5vw,5rem);align-items:center;padding:clamp(3.2rem,6vw,5.7rem) max(22px,calc((100vw - var(--max))/2));color:var(--ink);background:var(--paper);border-bottom:2px solid var(--ink)}
.hero-grid{opacity:.15;background-image:linear-gradient(var(--ink) 1px,transparent 1px),linear-gradient(90deg,var(--ink) 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(to right,transparent 30%,black 100%)}.hero:after{display:none}
.eyebrow{margin-bottom:1.2rem;color:var(--ink);font-size:.66rem;font-weight:900}.eyebrow span:first-child{padding:.35rem .55rem;border:1.5px solid var(--ink);background:var(--lime)}.eyebrow span+span{border-color:var(--ink);color:var(--ink)}
h1{max-width:720px;margin-bottom:1.2rem;font-size:clamp(3rem,6.1vw,5.7rem);font-weight:950;line-height:.9;text-transform:uppercase}h1 em{color:var(--blue);font:inherit;font-style:normal}.hero-deck{max-width:650px;margin-bottom:1.5rem;color:var(--muted);font-size:clamp(1rem,1.25vw,1.12rem)}.meta-label{color:var(--muted)}.hero-meta strong{font-size:.82rem}
.impact-panel{padding:1.4rem;border:2px solid var(--ink);color:var(--ink);background:var(--acid);box-shadow:8px 8px 0 var(--ink)}.impact-kicker{margin-bottom:.8rem;color:var(--ink);font-size:.65rem;font-weight:900}.impact-number{font-size:clamp(3.4rem,5.6vw,5rem)}.impact-number small{color:var(--ink)}.impact-caption{margin:.7rem 0 1rem;color:var(--muted)}.impact-rule{background:var(--ink)}.impact-panel dl{gap:1rem;margin-top:1rem}.impact-panel dt{font-size:1.1rem}.impact-panel dd{color:var(--muted);font-size:.66rem}.scroll-cue{display:none}
.section{padding:clamp(3rem,5.5vw,5rem) max(22px,calc((100vw - var(--max))/2));border-bottom:2px solid var(--ink)}.section-index{margin-bottom:1.7rem;color:var(--blue);font-size:.65rem;font-weight:900}.kicker{font-size:.66rem;font-weight:900}.section h2{max-width:800px;font-size:clamp(2.2rem,4.5vw,4rem);font-weight:950;line-height:.94;text-transform:uppercase}.section-intro{margin-bottom:2.2rem}.split-heading{gap:3rem}.lead{font-size:clamp(1.05rem,1.6vw,1.3rem)}
.problem-statement,.word-card,.conversion-chart,.screen-card .phone-frame{border:2px solid var(--ink);box-shadow:7px 7px 0 var(--ink)}.problem-statement{padding:1.5rem;background:var(--coral);color:var(--ink)}.problem-statement p{font-family:inherit;font-size:clamp(1.35rem,2.4vw,2rem);font-weight:850}.quote-mark{color:var(--ink)}.role-strip{margin-top:2rem}.role-strip span{padding:.45rem .7rem;border:1.5px solid var(--ink);border-radius:0;background:var(--white);font-size:.7rem;font-weight:800}
.evidence-trail{min-height:330px;border:2px solid var(--ink);box-shadow:7px 7px 0 var(--ink)}.trail-tabs{border-right:2px solid var(--ink)}.trail-tab{padding:1rem;border-bottom:1.5px solid var(--ink);font-size:.82rem}.trail-tab.is-active{background:var(--acid)}.trail-panel{padding:clamp(1.6rem,4vw,3rem)}.trail-panel h3{margin-bottom:.8rem;font-size:clamp(1.7rem,3.2vw,2.8rem)}.trail-panel>p:not(.stage-type){font-size:.95rem}.stage-proof{margin-top:1.7rem}.stage-proof strong{font-size:2.4rem}
.insight-section,.outcome-section{background:var(--blue)}.insight-grid{gap:4rem}.insight-copy>p:last-child{margin-top:1.2rem;font-size:1rem}.question-stack li{min-height:66px}.question-stack p{font-family:inherit;font-size:clamp(1.05rem,1.8vw,1.45rem);font-weight:800}
.wording-grid{gap:1rem}.word-card{padding:1.4rem}.word-card.positive{background:var(--acid);box-shadow:7px 7px 0 var(--ink)}.word-card.negative{background:var(--blue);box-shadow:7px 7px 0 var(--ink)}.word-card-head{margin-bottom:1.4rem}.word-card-head span:first-child{font-size:1.35rem}.word-card>p{margin-top:1.3rem;font-family:inherit;font-size:1rem}.translation-section{background:var(--paper)}.translation-row span{padding:1rem .8rem 1rem 0}.translation-row span+span{padding-left:.8rem}.translation-row:not(.header) span{font-size:.86rem}
.screen-compare{max-width:820px;gap:1.4rem}.phone-frame{padding:.7rem;border-radius:0!important;box-shadow:7px 7px 0 var(--ink)!important}.phone-frame img{border-radius:0}.screen-card.featured .phone-frame{box-shadow:7px 7px 0 var(--acid)!important}.scope-note{margin-top:2.5rem}.outcome-layout{gap:4rem}.conversion-chart{padding:1.5rem;background:var(--ink)}.outcome-proof{margin-top:2.5rem}.ai-section{background:var(--acid)}.ai-layout{gap:4rem}.ai-heading h2{font-size:clamp(2.2rem,4vw,3.5rem)}.ai-system article{padding:1rem 0}.ai-principle{margin-top:2rem;border:2px solid var(--ink);font-family:inherit;font-size:1rem;font-weight:800;box-shadow:5px 5px 0 var(--ink)}.transfer-list{margin-top:2.5rem}.transfer-list li{padding:1rem .7rem;font-size:.78rem}
footer{padding:clamp(3rem,5vw,4.5rem) max(22px,calc((100vw - var(--max))/2)) 1.5rem;background:var(--ink)}footer h2{font-size:clamp(2.2rem,4.3vw,3.8rem);font-weight:950;text-transform:uppercase}
@media(max-width:900px){.hero{grid-template-columns:1fr}.impact-panel{max-width:480px}.trail-tabs{border-right:0;border-bottom:2px solid var(--ink)}}
@media(max-width:660px){.site-header{height:58px;padding-inline:16px}.wordmark>span:last-child{display:inline}.hero{padding:2.4rem 18px}.hero h1{font-size:clamp(2.55rem,12.5vw,3.75rem)}.section{padding:3rem 18px}.section h2{font-size:clamp(2rem,10vw,2.9rem)}.impact-panel{padding:1.1rem}.screen-compare{gap:1.2rem}footer{padding-inline:18px}}

/* Compact, but never microscopic */
.site-header nav a,.header-cta,.eyebrow,.impact-kicker,.impact-panel dd,.meta-label,.section-index,.kicker,.role-strip span,.stage-type,.stage-proof span,.word-card-head span:last-child,.translation-row.header,.compare-arrow small,.scope-note,.conversion-row span,.lift-callout span,.lift-callout small,.outcome-proof span,.ai-system article>span,.footer-kicker,.disclosure{font-size:.75rem}

/* Only micro-headings are lighter; uppercase is intentional */
.eyebrow,.section-index,.kicker,.impact-kicker,.footer-kicker{font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--ink)}
.eyebrow span+span{color:var(--ink)}
.eyebrow span:first-child{padding:0;border:0;background:transparent}
.insight-section .section-index,.outcome-section .section-index,.insight-section .kicker,.outcome-section .kicker,footer .footer-kicker{color:var(--white)}

/* Titles use natural capitalization */
h1,.section h2,footer h2{text-transform:none}

/* Body copy is fully black on light surfaces; dark sections keep white copy */
.hero-deck,
.decision .lead,
.decision .problem-statement p,
.method-section .split-heading > p,
.trail-panel > p:not(.stage-type),
.language-section .split-heading > p,
.word-card.positive > p,
.translation-row:not(.header) span,
.screens-section .split-heading > p,
.scope-note,
.ai-system p,
.transfer-layout p{color:#000000}

/* Keep the complete case navigation visible on mobile */
@media(max-width:900px){
  .site-header{height:auto;grid-template-columns:1fr auto;gap:.45rem 1rem;padding-top:.55rem;padding-bottom:0}
  .site-header nav{display:flex;grid-column:1/-1;grid-row:2;width:100%;gap:.2rem;padding-bottom:.55rem;overflow-x:auto;scrollbar-width:none}
  .site-header nav::-webkit-scrollbar{display:none}
  .site-header nav a{flex:0 0 auto;white-space:nowrap}
  .header-cta{grid-column:2;grid-row:1}
}

/* Mobile navigation drawer */
.menu-toggle,.mobile-menu-link{display:none}
@media(max-width:900px){
  .js .site-header{height:62px;grid-template-columns:1fr auto;gap:1rem;padding-top:0;padding-bottom:0}
  .js .site-header>.header-cta{display:none}
  .js .menu-toggle{display:grid;grid-template-rows:repeat(3,2px);gap:4px;align-content:center;width:42px;height:38px;padding:0 10px;border:2px solid var(--ink);background:var(--blue);box-shadow:3px 3px 0 var(--ink);cursor:pointer}
  .menu-toggle span{display:block;width:100%;height:2px;background:var(--white);transition:transform .2s ease,opacity .2s ease}
  .menu-open .menu-toggle span:first-child{transform:translateY(6px) rotate(45deg)}
  .menu-open .menu-toggle span:nth-child(2){opacity:0}
  .menu-open .menu-toggle span:last-child{transform:translateY(-6px) rotate(-45deg)}
  .js .site-header nav{position:absolute;top:100%;left:0;right:0;display:none;grid-column:auto;grid-row:auto;width:auto;max-height:calc(100vh - 62px);gap:.35rem;padding:.75rem 16px 1rem;overflow-y:auto;background:var(--white);border-bottom:2px solid var(--ink);box-shadow:0 6px 0 rgba(0,0,0,.18)}
  .js .site-header.menu-open nav{display:flex;flex-direction:column}
  .js .site-header nav a{width:100%;padding:.7rem .75rem;font-size:.75rem}
  .js .site-header nav .mobile-menu-link{display:block;margin-top:.2rem;border:1.5px solid var(--ink);color:var(--ink);background:var(--coral);box-shadow:3px 3px 0 var(--ink)}
}