:root {
  --paper: #f3efe5;
  --paper-deep: #e7dfd1;
  --ink: #171d22;
  --ink-soft: #586069;
  --line: #a9a69e;
  --red: #e45437;
  --red-dark: #a93622;
  --mint: #b9dfcf;
  --mint-dark: #286654;
  --yellow: #f0c95b;
  --white: #fffdf8;
  --serif: Georgia, "Times New Roman", "Noto Serif SC", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 118px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.66;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--paper);
  box-shadow: 0 0 0 6px var(--red);
}

main:focus {
  outline: none;
  box-shadow: none;
}

.nowrap {
  white-space: nowrap;
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
}

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

.reading-progress {
  position: fixed;
  z-index: 180;
  inset: 0 0 auto;
  height: 4px;
}

.reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--red);
}

.masthead {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 72px;
  padding: 0 clamp(20px, 4vw, 56px);
  border-bottom: 1px solid var(--ink);
  background: rgba(243, 239, 229, 0.96);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.masthead-brand {
  display: inline-flex;
  gap: 14px;
  width: max-content;
  align-items: baseline;
  text-decoration: none;
}

.masthead-brand,
.masthead-exit {
  min-height: 44px;
}

.masthead-exit {
  display: inline-flex;
  align-items: center;
}

.masthead-brand span {
  color: var(--red-dark);
}

.masthead p {
  margin: 0;
  color: var(--ink-soft);
}

.masthead-exit {
  justify-self: end;
  text-underline-offset: 4px;
}

main,
.page-footer {
  width: min(1480px, 100%);
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(360px, 0.55fr);
  min-height: 720px;
  border-bottom: 1px solid var(--ink);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(68px, 8vw, 128px) clamp(30px, 7vw, 108px);
  border-right: 1px solid var(--ink);
}

.eyebrow,
.section-no,
.brief-label,
.case-tag,
.context-label,
.method-no,
.source-grid article > span {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow,
.section-no,
.brief-label,
.context-label {
  color: var(--red-dark);
}

.hero h1 {
  margin: 22px 0 0;
  font-family: var(--serif);
  font-size: clamp(82px, 10vw, 164px);
  font-weight: 400;
  line-height: 0.78;
  letter-spacing: -0.075em;
}

.hero h1 em {
  color: var(--red);
  font-weight: 400;
}

.hero-deck {
  margin: 46px 0 0;
  font-family: var(--serif);
  font-size: clamp(27px, 3.3vw, 49px);
  line-height: 1.15;
}

.hero-intro {
  max-width: 760px;
  margin: 30px 0 0;
  color: var(--ink-soft);
  font-size: clamp(16px, 1.5vw, 20px);
}

.hero-brief {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 54px clamp(28px, 4vw, 58px);
  color: var(--white);
  background: var(--ink);
}

.hero-brief .brief-label {
  color: var(--mint);
}

.hero-number {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: end;
  margin: 42px 0 44px;
  padding-bottom: 34px;
  border-bottom: 1px solid #50565b;
}

.hero-number > span {
  align-self: start;
  margin-top: 12px;
  color: var(--red);
  font-family: var(--serif);
  font-size: 34px;
}

.hero-number strong {
  color: var(--white);
  font-family: var(--serif);
  font-size: clamp(100px, 11vw, 154px);
  font-weight: 400;
  line-height: 0.75;
  letter-spacing: -0.09em;
}

.hero-number.is-range strong {
  font-size: clamp(62px, 5.8vw, 88px);
  letter-spacing: -0.075em;
  white-space: nowrap;
}

.hero-number.is-range {
  grid-template-columns: auto 1fr;
}

.hero-number.is-range small {
  grid-column: 1 / -1;
  margin-top: 24px;
  padding-left: 0;
}

.hero-number small {
  padding-left: 18px;
  color: #c7c9ca;
  font-size: 12px;
  line-height: 1.45;
}

.hero-brief dl {
  margin: 0;
}

.hero-brief dl div {
  display: grid;
  grid-template-columns: 95px 1fr;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid #43494e;
}

.hero-brief dt {
  color: #aeb3b5;
  font-size: 12px;
}

.hero-brief dd {
  margin: 0;
  color: var(--white);
  font-weight: 700;
}

.brief-note {
  margin: 28px 0 0;
  color: #aeb3b5;
  font-size: 12px;
}

.beginner-link {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(24px, 5vw, 72px);
  color: var(--ink);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: var(--mint);
  text-decoration: none;
}

.beginner-link b {
  color: var(--mint-dark);
}

.beginner-link:hover b {
  text-decoration: underline;
}

.jump-nav {
  position: sticky;
  z-index: 100;
  top: 0;
  display: flex;
  gap: 0;
  overflow-x: auto;
  border-bottom: 1px solid var(--ink);
  background: rgba(243, 239, 229, 0.97);
  scrollbar-width: thin;
}

.jump-nav::after {
  position: sticky;
  right: 0;
  display: none;
  flex: 0 0 auto;
  align-items: center;
  padding: 0 12px;
  color: var(--white);
  border-left: 1px solid var(--ink);
  background: var(--red-dark);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  content: "更多 →";
}

.jump-nav a {
  flex: 0 0 auto;
  padding: 16px 24px;
  border-right: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  text-decoration: none;
}

.jump-nav a:hover {
  color: var(--white);
  background: var(--red-dark);
}

.field-note,
.company-case,
.playbook,
.checklist,
.questions {
  padding: clamp(66px, 8vw, 116px) clamp(28px, 7vw, 104px);
  border-bottom: 1px solid var(--ink);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(170px, 0.38fr) minmax(0, 1.12fr) minmax(260px, 0.5fr);
  gap: clamp(26px, 5vw, 80px);
  align-items: end;
  margin-bottom: clamp(48px, 7vw, 92px);
}

.section-heading.compact {
  margin-bottom: 48px;
}

.section-heading h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(44px, 6vw, 88px);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.section-heading > p:last-child {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.section-heading.inverted .section-no {
  color: var(--mint);
}

.section-heading.inverted > p:last-child {
  color: #b9bdc0;
}

.script-stack {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 18px;
}

.script-card {
  display: flex;
  flex-direction: column;
  min-height: 390px;
  padding: 28px;
  border: 1px solid var(--ink);
  background: var(--white);
}

.script-card.is-primary {
  color: var(--white);
  background: var(--red-dark);
  box-shadow: 11px 11px 0 var(--ink);
}

.script-meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 14px;
  align-items: baseline;
  padding-bottom: 18px;
  border-bottom: 1px solid currentColor;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.35;
}

.script-meta span {
  color: var(--red);
  font-size: 19px;
}

.script-card.is-primary .script-meta span {
  color: var(--mint);
}

.script-meta em {
  grid-column: 2;
  color: inherit;
  opacity: 0.65;
  font-style: normal;
}

.script-card blockquote,
.rehearsal-item blockquote,
.method-grid blockquote,
.equity-question blockquote {
  margin: 28px 0;
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.62;
}

.script-card .copy-button {
  margin-top: auto;
}

.copy-button {
  width: max-content;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid currentColor;
  border-radius: 0;
  color: var(--ink);
  background: transparent;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.copy-button:hover {
  color: var(--white);
  background: var(--ink);
}

.script-card.is-primary .copy-button,
.copy-button.light {
  color: var(--white);
}

.script-card.is-primary .copy-button:hover,
.copy-button.light:hover {
  color: var(--ink);
  background: var(--white);
}

.red-line {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  margin-top: 54px;
  padding: 26px 28px;
  border-top: 3px solid var(--red);
  border-bottom: 1px solid var(--red);
}

.red-line > p {
  margin: 0;
  color: var(--red-dark);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
}

.red-line ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.red-line li {
  font-size: 14px;
}

.sequence,
.rehearsal,
.equity,
.sources {
  padding: clamp(66px, 8vw, 116px) clamp(28px, 7vw, 104px);
  color: var(--white);
  border-bottom: 1px solid var(--white);
  background: var(--ink);
}

.sequence-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: stage;
}

.sequence-grid li {
  min-height: 290px;
  padding: 28px;
  border: 1px solid #565c60;
  border-right: 0;
}

.sequence-grid li:last-child {
  border-right: 1px solid #565c60;
}

.sequence-grid li.is-now {
  color: var(--ink);
  border-color: var(--red);
  background: var(--red);
}

.sequence-grid span,
.sequence-grid b {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.sequence-grid h3 {
  margin: 68px 0 18px;
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 400;
  line-height: 1.05;
}

.sequence-grid p {
  margin: 0;
  color: #b9bdc0;
  font-size: 14px;
}

.sequence-grid .is-now p {
  color: #30201c;
}

.sequence-grid b {
  display: block;
  margin-top: 34px;
}

.evidence-line {
  max-width: 980px;
  margin: 44px 0 0 auto;
  color: #b9bdc0;
  font-size: 13px;
}

.evidence-line a {
  margin-left: 8px;
  color: var(--mint);
  text-underline-offset: 4px;
}

.case-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--ink);
}

.case-column {
  min-height: 430px;
  padding: 30px;
  border-right: 1px solid var(--ink);
}

.case-column:last-child {
  border-right: 0;
}

.case-column.fact {
  background: var(--white);
}

.case-column.direct {
  background: var(--mint);
}

.case-column.unknown {
  background: var(--yellow);
}

.case-column h3 {
  margin: 24px 0 30px;
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 400;
}

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

.case-column li {
  position: relative;
  padding: 13px 0 13px 22px;
  border-top: 1px solid rgba(23, 29, 34, 0.25);
  font-size: 14px;
}

.case-column li::before {
  position: absolute;
  top: 20px;
  left: 2px;
  width: 7px;
  height: 7px;
  background: var(--red-dark);
  content: "";
}

.source-mini {
  margin: 28px 0 0;
  color: #51575b;
  font-size: 12px;
}

.source-mini a {
  text-underline-offset: 3px;
}

.salary-context {
  display: grid;
  grid-template-columns: 1.55fr 0.45fr;
  gap: clamp(28px, 6vw, 90px);
  margin-top: 68px;
  padding-top: 44px;
  border-top: 1px solid var(--ink);
}

.salary-context h3 {
  margin: 10px 0 18px;
  font-family: var(--serif);
  font-size: clamp(34px, 4vw, 56px);
  font-weight: 400;
  line-height: 1.05;
}

.salary-context > div > p:last-child {
  max-width: 820px;
  color: var(--ink-soft);
}

.comparison-table {
  margin-top: 30px;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.comparison-row {
  display: grid;
  grid-template-columns: 1.4fr 0.7fr 0.9fr;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  text-decoration: none;
}

.comparison-row > * {
  padding: 11px 13px;
  border-right: 1px solid var(--ink);
  font-size: 11px;
}

.comparison-row b {
  font-family: var(--mono);
  font-weight: 700;
}

.comparison-row:hover:not(.comparison-head) {
  background: var(--mint);
}

.comparison-head {
  color: var(--white);
  background: var(--ink);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.salary-context aside {
  padding: 28px;
  color: var(--white);
  background: var(--red-dark);
  box-shadow: 10px 10px 0 var(--ink);
}

.salary-context aside b {
  display: block;
  font-family: var(--serif);
  font-size: 47px;
  font-weight: 400;
  line-height: 1;
}

.salary-context aside span,
.salary-context aside small {
  display: block;
  margin-top: 18px;
}

.salary-context aside small {
  color: #e8bbb2;
}

.rehearsal-list {
  border-top: 1px solid #565c60;
}

.rehearsal-item {
  display: grid;
  grid-template-columns: minmax(210px, 0.45fr) minmax(0, 1.35fr) auto;
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
  padding: 44px 0;
  border-bottom: 1px solid #565c60;
}

.rehearsal-item .prompt {
  margin: 0;
  color: var(--mint);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
}

.rehearsal-item blockquote {
  margin: 0;
  font-size: clamp(18px, 2vw, 25px);
}

.package-lab {
  padding: clamp(66px, 8vw, 116px) clamp(28px, 7vw, 104px);
  border-bottom: 1px solid var(--ink);
  background: var(--mint);
}

.package-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 30px;
}

.package-controls button {
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  border-right: 0;
  border-radius: 0;
  color: var(--ink);
  background: transparent;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.package-controls button:last-child {
  border-right: 1px solid var(--ink);
}

.package-controls button[aria-pressed="true"] {
  color: var(--white);
  background: var(--ink);
}

.package-display {
  display: grid;
  grid-template-columns: 1fr 90px 1fr;
  align-items: stretch;
  border: 1px solid var(--ink);
  background: var(--white);
}

.cash-block,
.equity-block {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 260px;
  padding: 34px;
}

.cash-block span,
.equity-block span {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.cash-block b,
.equity-block b {
  display: block;
  margin: 20px 0;
  font-family: var(--serif);
  font-size: clamp(48px, 6vw, 86px);
  font-weight: 400;
  line-height: 0.95;
}

.cash-block small,
.equity-block small {
  color: var(--ink-soft);
}

.not-equal {
  display: grid;
  place-items: center;
  border-right: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
  color: var(--red-dark);
  background: var(--paper-deep);
  font-family: var(--serif);
  font-size: 64px;
}

.package-advice {
  max-width: 900px;
  margin: 28px 0 0 auto;
  font-family: var(--serif);
  font-size: 19px;
}

.number-system {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 74px;
  border: 1px solid var(--ink);
}

.number-system article {
  min-height: 290px;
  padding: 28px;
  border-right: 1px solid var(--ink);
}

.number-system article:last-child {
  border-right: 0;
  background: var(--mint);
}

.number-system span,
.number-system b {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.number-system h3 {
  margin: 50px 0 14px;
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 400;
}

.number-system p {
  color: var(--ink-soft);
  font-size: 14px;
}

.number-system b {
  display: block;
  margin-top: 28px;
  color: var(--red-dark);
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.method-grid article {
  display: flex;
  flex-direction: column;
  min-height: 500px;
  padding: 34px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.method-grid h3 {
  margin: 8px 0 12px;
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 400;
}

.method-grid > article > p:not(.method-no) {
  color: var(--ink-soft);
}

.method-grid blockquote {
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 17px;
}

.method-grid .copy-button,
.method-grid .text-link {
  margin-top: auto;
}

.range-demo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 34px 0;
  font-family: var(--serif);
  font-size: clamp(38px, 5vw, 68px);
}

.range-demo del,
.range-demo ins {
  padding: 18px;
  border: 1px solid var(--ink);
  text-align: center;
  text-decoration-thickness: 4px;
}

.range-demo ins {
  color: var(--ink);
  background: var(--mint);
  text-decoration: none;
}

.text-link {
  width: max-content;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  text-underline-offset: 4px;
}

.case-learning {
  display: grid;
  grid-template-columns: 180px 1.1fr 1fr auto;
  gap: 28px;
  align-items: center;
  margin-top: 70px;
  padding: 30px;
  color: var(--white);
  background: var(--red-dark);
  box-shadow: 11px 11px 0 var(--ink);
}

.deal-close,
.multi-offer {
  display: grid;
  grid-template-columns: 1fr 1.25fr auto;
  gap: 34px;
  align-items: center;
  margin-top: 60px;
  padding: 30px;
  border: 1px solid var(--ink);
  background: var(--white);
}

.deal-close h3,
.multi-offer h3 {
  margin: 8px 0 10px;
  font-family: var(--serif);
  font-size: 31px;
  font-weight: 400;
  line-height: 1.1;
}

.deal-close p,
.multi-offer p {
  margin: 0;
}

.deal-close > div > p:last-child,
.multi-offer > div > p:last-child {
  color: var(--ink-soft);
  font-size: 13px;
}

.deal-close blockquote,
.multi-offer blockquote {
  margin: 0;
  font-family: var(--serif);
  font-size: 18px;
}

.case-learning > p:first-child,
.case-learning a {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
}

.multi-offer {
  grid-template-columns: 0.8fr 1.2fr;
  background: var(--mint);
}

.multi-scripts {
  display: grid;
  gap: 18px;
}

.multi-scripts blockquote {
  padding-top: 16px;
  border-top: 1px solid var(--ink);
}

.case-learning h3,
.case-learning p {
  margin: 0;
}

.case-learning h3 {
  font-family: var(--serif);
  font-size: 31px;
  font-weight: 400;
  line-height: 1.1;
}

.case-learning > p:nth-of-type(2) {
  color: #f0c9c1;
  font-size: 13px;
}

.case-learning a {
  white-space: nowrap;
  text-underline-offset: 4px;
}

.equity-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(36px, 7vw, 110px);
}

.equity-question {
  position: relative;
  align-self: start;
  padding: 36px;
  border: 1px solid #62676b;
  background: #20272c;
}

.giant-mark {
  margin: -20px 0 -30px;
  color: var(--red);
  font-family: var(--serif);
  font-size: 150px;
  line-height: 1;
}

.equity-question blockquote {
  font-size: 21px;
}

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

.equity-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 22px;
  padding: 24px 0;
  border-top: 1px solid #565c60;
}

.equity-list li:last-child {
  border-bottom: 1px solid #565c60;
}

.equity-list span {
  color: var(--mint);
  font-family: var(--mono);
  font-size: 12px;
}

.equity-list b {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
}

.equity-list p {
  margin: 6px 0 0;
  color: #b9bdc0;
  font-size: 13px;
}

.evidence-line.dark {
  margin-top: 60px;
}

.checklist-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding: 16px 0;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.checklist-toolbar p {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
}

.checklist-toolbar button {
  border: 0;
  border-bottom: 1px solid currentColor;
  color: var(--red-dark);
  background: transparent;
  font-family: var(--mono);
  font-size: 11px;
  cursor: pointer;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.check-grid label {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 16px;
  min-height: 104px;
  padding: 23px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}

.check-grid label:has(input:checked) {
  background: var(--mint);
}

.check-grid input {
  width: 21px;
  height: 21px;
  margin: 2px 0 0;
  accent-color: var(--red-dark);
}

.check-grid span {
  color: var(--ink-soft);
  font-size: 13px;
}

.check-grid b {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
}

.written-note {
  max-width: 900px;
  margin: 32px 0 0 auto;
  color: var(--ink-soft);
  font-size: 13px;
}

.written-note a {
  color: var(--red-dark);
  text-underline-offset: 4px;
}

.questions ol {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
  list-style: none;
}

.questions li {
  display: grid;
  grid-template-columns: 90px 1fr;
  align-items: baseline;
  padding: 26px 0;
  border-bottom: 1px solid var(--ink);
}

.questions li span {
  color: var(--red-dark);
  font-family: var(--mono);
  font-size: 12px;
}

.questions li p {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(20px, 2.3vw, 31px);
}

.sources {
  border-bottom: 0;
}

.source-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid #565c60;
  border-left: 1px solid #565c60;
}

.source-grid article {
  min-height: 320px;
  padding: 28px;
  border-right: 1px solid #565c60;
  border-bottom: 1px solid #565c60;
}

.source-grid article > span {
  color: var(--mint);
}

.source-grid h3 {
  margin: 28px 0;
  font-family: var(--serif);
  font-size: 31px;
  font-weight: 400;
}

.source-grid a {
  display: block;
  padding: 10px 0;
  border-top: 1px solid #464c50;
  color: #d4d6d7;
  font-size: 13px;
  text-underline-offset: 3px;
}

.source-caveat {
  max-width: 920px;
  margin: 38px 0 0 auto;
  color: #9ba0a3;
  font-size: 12px;
}

.page-footer {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding: 34px clamp(28px, 7vw, 104px);
  color: var(--white);
  border-top: 1px solid #565c60;
  background: var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-footer p {
  margin: 0;
}

.page-footer a {
  text-underline-offset: 4px;
}

.copy-status {
  position: fixed;
  z-index: 190;
  right: 20px;
  bottom: 20px;
  max-width: calc(100vw - 40px);
  padding: 12px 17px;
  color: var(--white);
  background: var(--red-dark);
  box-shadow: 6px 6px 0 var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

.copy-status.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: minmax(0, 1.2fr) minmax(330px, 0.8fr);
  }

  .section-heading {
    grid-template-columns: 150px 1fr;
  }

  .section-heading > p:last-child {
    grid-column: 2;
  }

  .script-stack {
    grid-template-columns: 1fr 1fr;
  }

  .script-card.is-primary {
    grid-row: span 2;
  }

  .red-line ul,
  .sequence-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sequence-grid li:nth-child(2) {
    border-right: 1px solid #565c60;
  }

  .sequence-grid li:nth-child(n + 3) {
    border-top: 0;
  }

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

  .case-column {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .case-column:last-child {
    border-bottom: 0;
  }

  .case-learning {
    grid-template-columns: 150px 1fr;
  }

  .deal-close,
  .multi-offer {
    grid-template-columns: 1fr;
  }

  .case-learning > p:nth-of-type(2),
  .case-learning a {
    grid-column: 2;
  }
}

@media (max-width: 780px) {
  html {
    scroll-padding-top: 64px;
  }

  .masthead {
    grid-template-columns: 1fr auto;
    min-height: 60px;
    padding: 0 18px;
  }

  .masthead p,
  .masthead-brand b {
    display: none;
  }

  .hero {
    display: block;
    min-height: 0;
  }

  .hero-copy {
    padding: 66px 22px 70px;
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .hero h1 {
    font-size: clamp(76px, 25vw, 118px);
  }

  .hero-deck {
    margin-top: 38px;
    font-size: 29px;
  }

  .hero-brief {
    padding: 48px 22px;
  }

  .hero-number strong {
    font-size: 112px;
  }

  .hero-number.is-range strong {
    font-size: 58px;
  }

  .beginner-link {
    display: block;
    padding: 16px 22px;
  }

  .beginner-link b {
    display: block;
    margin-top: 4px;
  }

  .jump-nav {
    top: 0;
  }

  .jump-nav::after {
    display: flex;
  }

  .jump-nav.is-at-end::after {
    visibility: hidden;
  }

  .jump-nav a {
    padding: 14px 18px;
  }

  .field-note,
  .company-case,
  .playbook,
  .checklist,
  .questions,
  .sequence,
  .rehearsal,
  .package-lab,
  .equity,
  .sources {
    padding: 64px 20px;
  }

  .section-heading {
    display: block;
    margin-bottom: 46px;
  }

  .section-heading h2 {
    margin-top: 14px;
    font-size: 47px;
  }

  .package-lab .section-heading h2,
  .questions .section-heading h2 {
    font-size: 42px;
    line-height: 1.02;
  }

  .section-heading > p:last-child {
    margin-top: 22px;
  }

  .script-stack {
    display: block;
  }

  .script-card {
    min-height: 0;
    margin-bottom: 16px;
    padding: 24px;
  }

  .script-card.is-primary {
    box-shadow: 7px 7px 0 var(--ink);
  }

  .script-card blockquote {
    font-size: 18px;
  }

  .red-line {
    display: block;
    padding: 22px 0;
  }

  .red-line ul {
    display: block;
    margin-top: 18px;
  }

  .red-line li + li {
    margin-top: 12px;
  }

  .sequence-grid,
  .number-system,
  .method-grid,
  .source-grid,
  .check-grid {
    grid-template-columns: 1fr;
  }

  .sequence-grid li {
    min-height: 230px;
    border-right: 1px solid #565c60;
    border-bottom: 0;
  }

  .sequence-grid li:nth-child(n + 3) {
    border-top: 1px solid #565c60;
  }

  .sequence-grid li:last-child {
    border-bottom: 1px solid #565c60;
  }

  .sequence-grid h3 {
    margin-top: 42px;
  }

  .salary-context,
  .equity-layout {
    grid-template-columns: 1fr;
  }

  .rehearsal-item {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .rehearsal-item .copy-button {
    margin-top: 6px;
  }

  .package-controls {
    display: grid;
    grid-template-columns: 1fr;
  }

  .package-controls button,
  .package-controls button:last-child {
    border-right: 1px solid var(--ink);
    border-bottom: 0;
  }

  .package-controls button:last-child {
    border-bottom: 1px solid var(--ink);
  }

  .package-display {
    grid-template-columns: 1fr;
  }

  .cash-block,
  .equity-block {
    min-height: 210px;
    padding: 26px;
  }

  .not-equal {
    min-height: 80px;
    border: 0;
    border-top: 1px solid var(--ink);
    border-bottom: 1px solid var(--ink);
  }

  .number-system article,
  .number-system article:last-child {
    min-height: 240px;
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .number-system article:last-child {
    border-bottom: 0;
  }

  .method-grid article {
    min-height: 0;
  }

  .range-demo {
    font-size: 36px;
  }

  .case-learning {
    display: block;
    padding: 24px;
    box-shadow: 7px 7px 0 var(--ink);
  }

  .comparison-row {
    grid-template-columns: 1fr;
  }

  .comparison-row > * {
    border-right: 1px solid var(--ink);
  }

  .comparison-head {
    display: none;
  }

  .deal-close,
  .multi-offer {
    display: block;
    margin-top: 42px;
    padding: 24px;
  }

  .deal-close blockquote,
  .multi-scripts {
    margin-top: 24px;
  }

  .deal-close .copy-button,
  .multi-offer .copy-button {
    margin-top: 24px;
  }

  .case-learning h3,
  .case-learning > p:nth-of-type(2),
  .case-learning a {
    display: block;
    margin-top: 18px;
  }

  .equity-question {
    padding: 26px;
  }

  .equity-question blockquote {
    font-size: 18px;
  }

  .check-grid label {
    min-height: 94px;
  }

  .questions li {
    grid-template-columns: 54px 1fr;
  }

  .source-grid article {
    min-height: 0;
  }

  .page-footer {
    display: block;
    padding: 30px 20px;
  }

  .page-footer a {
    display: block;
    margin-top: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .copy-status {
    transition: none;
  }
}