/* The equation is the primary navigation and visual center of the product story. */
.value-hero {
  text-align: center;
  padding: 62px 0 52px;
  border-bottom: 1px solid #dce5d4;
}
.value-hero .eyebrow {
  margin: 0;
}
.performance-question {
  margin: 20px 0 38px;
  color: #566d4b;
  font-size: 18px;
}
.hero-equation {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin: 0;
  padding: 36px 25px 40px;
  font-size: clamp(32px, 4.4vw, 60px);
  font-weight: 600;
  letter-spacing: -2px;
  border-block: 1px solid #d2dec8;
  background: #edf3e5;
  border-radius: 12px;
}
.hero-equation > span,
.hero-equation > a {
  flex: 1;
  white-space: nowrap;
}
.hero-equation a {
  text-decoration: none;
  border-radius: 8px;
  transition: background 0.15s;
}
.hero-equation a:hover {
  background: #ffffffa0;
}
.hero-equation i {
  font-style: normal;
  font-weight: 300;
  color: #809672;
}
.hero-equation small {
  display: block;
  margin-top: 6px;
  font: 10px var(--mono);
  letter-spacing: 1.7px;
  color: #667d5c;
}
.hero-equation .equation-name {
  color: #2d4935;
}
.hero-equation .equation-accuracy {
  color: #795698;
}
.hero-equation .equation-productivity {
  color: #38613e;
}
.hero-equation .equation-speed {
  color: #336e9b;
}
.equation-description {
  margin: 28px 0 27px;
  color: #566b4c;
  font-size: 15px;
}
.equation-intents {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: left;
}
.equation-intents a {
  color: #617454;
  text-decoration: none;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 15px 20px;
  border-bottom: 1px solid #dbe4d3;
}
.equation-intents b {
  font: 10px var(--mono);
  color: #8a9c7e;
}
.equation-intents span {
  margin-left: auto;
}
.value-hero-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 27px;
  margin-top: 30px;
}
.value-chapter {
  padding: 65px 0;
  border-bottom: 1px solid #dce5d4;
  scroll-margin-top: 25px;
}
.chapter-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 35px;
  margin-bottom: 30px;
}
.chapter-heading .eyebrow {
  margin: 0 0 16px;
}
.chapter-heading h2 {
  color: #2e4b34;
  font-size: 32px;
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: -1px;
  margin: 0;
}
.chapter-heading > p {
  font-size: 13px;
  color: #708463;
  line-height: 1.9;
  margin: 0;
}
.accuracy-layout {
  display: grid;
  grid-template-columns: 1fr 1.08fr;
  gap: 38px;
  align-items: start;
}
.model-board {
  background: #f3eff7;
  border: 1px solid #ded2e7;
  padding: 28px;
  border-radius: 12px;
}
.model-input {
  font-size: 13px;
  color: #695279;
  text-align: center;
  border-bottom: 1px solid #ded3e6;
  padding-bottom: 23px;
}
.model-input > span {
  padding: 0 12px;
}
.model-choices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  padding: 26px 0;
}
.model-choices > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 21px 10px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #ded3e6;
}
.model-choices small {
  font-size: 10px;
  color: #8b739d;
}
.model-choices strong {
  font-size: 22px;
  font-weight: 550;
  color: #684880;
  margin: 13px 0 7px;
}
.model-choices span {
  font: 11px var(--mono);
  color: #80658f;
}
.model-output {
  padding: 16px;
  color: #775789;
  font-size: 12px;
  text-align: center;
  border-block: 1px solid #dfd3e7;
}
.model-output > span {
  font-weight: 600;
  margin-left: 16px;
}
.source-loop {
  display: flex;
  justify-content: space-between;
  padding: 22px 5px 0;
  font-size: 12px;
  color: #816492;
}
.value-explanations {
  display: grid;
  gap: 25px;
}
.value-explanations article {
  display: flex;
  gap: 18px;
}
.value-explanations article > span {
  font: 11px var(--mono);
  color: #997da9;
  padding-top: 5px;
}
.value-explanations h3 {
  font-size: 18px;
  font-weight: 550;
  margin: 0 0 10px;
}
.value-explanations p {
  font-size: 13px;
  color: #62765a;
  line-height: 1.95;
  margin: 0;
}
.chapter-footer {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  padding-top: 25px;
}
.chapter-footer p {
  font-size: 11px;
  color: #78876d;
  margin: 0;
  line-height: 1.9;
}
.chapter-footer a {
  flex-shrink: 0;
  font-size: 12px;
  text-decoration: none;
  color: #54713f;
}
.productivity-ratio {
  display: flex;
  flex-direction: column;
  gap: 9px;
  border-left: 2px solid #9eb38a;
  padding-left: 22px;
}
.productivity-ratio > span {
  color: #758d63;
  font: 11px var(--mono);
}
.productivity-ratio strong {
  font-size: 22px;
  font-weight: 550;
  color: #456438;
}
.productivity-ratio i {
  font-style: normal;
  font-weight: 300;
  padding: 0 7px;
}
.productivity-ratio small {
  font-size: 11px;
  color: #7b8c6e;
}
.output-flow {
  display: grid;
  grid-template-columns: 260px 40px 1fr;
  gap: 22px;
  align-items: center;
}
.single-input {
  padding: 32px;
  background: #eaf1e1;
  border: 1px solid #d2dfc5;
  border-radius: 12px;
}
.single-input > span {
  font: 10px var(--mono);
  color: #829672;
  letter-spacing: 1px;
}
.single-input strong {
  display: block;
  color: #3e6536;
  font-size: 25px;
  font-weight: 550;
  margin: 21px 0 14px;
}
.single-input p {
  font-size: 12px;
  line-height: 1.95;
  color: #627b50;
  margin: 0;
}
.flow-arrow {
  font-size: 30px;
  color: #a0b38c;
  text-align: center;
}
.useful-outputs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}
.useful-outputs article {
  padding: 23px;
  border-radius: 9px;
  border: 1px solid #dce6d2;
  background: #fff;
}
.useful-outputs article:last-child {
  grid-column: span 2;
  background: #f1f5eb;
}
.useful-outputs article > span {
  color: #8b9e7b;
  font: 10px var(--mono);
}
.useful-outputs h3 {
  font-size: 17px;
  font-weight: 550;
  margin: 12px 0 7px;
}
.useful-outputs p {
  font-size: 12px;
  color: #718566;
  line-height: 1.85;
  margin: 0;
}
.reuse-line {
  display: flex;
  gap: 20px;
  align-items: center;
  margin-top: 24px;
  padding: 20px 25px;
  background: #eef3e6;
  border-radius: 8px;
}
.reuse-line > b {
  font-size: 30px;
  color: #7f9a67;
  font-weight: 400;
}
.reuse-line p {
  font-size: 13px;
  color: #627954;
  line-height: 1.95;
  margin: 0;
}
.routing-board {
  display: grid;
  grid-template-columns: 250px 1fr;
  border: 1px solid #cddde8;
  border-radius: 12px;
  background: #edf4f8;
  padding: 27px;
  gap: 35px;
  align-items: center;
}
.routing-start {
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: #426f8e;
  padding: 10px 0 10px 8px;
}
.routing-start > span {
  font-size: 11px;
}
.routing-start strong {
  font-size: 23px;
  font-weight: 550;
}
.routing-start small {
  font-size: 11px;
  color: #68869a;
}
.routing-branches {
  display: grid;
  gap: 16px;
  border-left: 1px solid #afc7d9;
  padding-left: 27px;
}
.route-lane {
  display: grid;
  grid-template-columns: 110px 1fr 20px 1.2fr;
  align-items: center;
  gap: 17px;
  padding: 21px;
  border: 1px solid #d2e0e9;
  border-radius: 8px;
  background: #fff;
  position: relative;
}
.route-lane::before {
  content: "";
  width: 27px;
  height: 1px;
  background: #afc7d9;
  position: absolute;
  top: 50%;
  left: -28px;
}
.route-time {
  font: 12px var(--mono);
  color: #60829a;
}
.route-lane strong {
  display: block;
  font-size: 15px;
  color: #356787;
  font-weight: 600;
}
.route-lane small {
  display: block;
  font: 10px/1.8 var(--mono);
  color: #7692a5;
  margin-top: 5px;
}
.route-lane b {
  font-weight: 400;
  color: #9cb6c7;
}
.speed-decisions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 42px;
  margin-top: 32px;
}
.speed-decisions article {
  border-top: 1px solid #d7e2e4;
  padding-top: 21px;
}
.speed-decisions article > span {
  font: 10px var(--mono);
  color: #7893a1;
}
.speed-decisions h3 {
  font-size: 18px;
  font-weight: 550;
  margin: 13px 0 10px;
}
.speed-decisions p {
  color: #677d72;
  font-size: 13px;
  line-height: 1.95;
  margin: 0;
}
.speed-decisions a {
  display: inline-block;
  font-size: 11px;
  margin-top: 11px;
  color: #577d96;
  text-underline-offset: 4px;
}
@media (max-width: 1000px) {
  .hero-equation {
    gap: 10px;
    padding-inline: 20px;
  }
  .hero-equation small {
    font-size: 8px;
    letter-spacing: 0.8px;
  }
  .accuracy-layout {
    gap: 25px;
  }
  .output-flow {
    grid-template-columns: 200px 25px 1fr;
    gap: 15px;
  }
  .single-input {
    padding: 23px;
  }
  .useful-outputs {
    grid-template-columns: 1fr 1fr;
  }
  .useful-outputs article:last-child {
    grid-column: span 2;
  }
  .routing-board {
    grid-template-columns: 1fr;
    gap: 23px;
  }
  .routing-start {
    flex-direction: row;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 12px 20px;
  }
  .route-lane {
    grid-template-columns: 100px 1fr 20px 1.2fr;
  }
}
@media (max-width: 700px) {
  .value-hero {
    padding: 35px 0;
  }
  .performance-question {
    font-size: 14px;
    margin: 18px 0 26px;
  }
  .hero-equation {
    display: grid;
    grid-template-columns: 1fr 14px 1fr 14px 1fr;
    gap: 11px 5px;
    padding: 23px 15px;
    font-size: 27px;
    letter-spacing: -1px;
  }
  .hero-equation .equation-name {
    grid-column: 1 / 4;
    text-align: right;
    padding-right: 15px;
  }
  .hero-equation > i:nth-child(2) {
    grid-column: 4 / 6;
    text-align: left;
  }
  .hero-equation small {
    font-size: 7px;
    letter-spacing: 0;
  }
  .hero-equation > i {
    font-size: 24px;
  }
  .equation-description {
    font-size: 13px;
    line-height: 1.9;
  }
  .equation-intents {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .equation-intents a {
    padding: 15px 8px;
  }
  .chapter-heading {
    align-items: start;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 24px;
  }
  .chapter-heading h2 {
    font-size: 28px;
  }
  .value-chapter {
    padding: 43px 0;
  }
  .accuracy-layout {
    grid-template-columns: 1fr;
  }
  .model-board {
    padding: 21px;
  }
  .model-input {
    font-size: 11px;
  }
  .model-input > span {
    padding: 0 5px;
  }
  .model-choices {
    gap: 12px;
  }
  .model-choices strong {
    font-size: 20px;
  }
  .model-output {
    font-size: 11px;
    padding-inline: 4px;
  }
  .source-loop {
    font-size: 11px;
  }
  .value-explanations h3 {
    font-size: 17px;
  }
  .chapter-footer {
    flex-direction: column;
    gap: 16px;
  }
  .output-flow {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .flow-arrow {
    transform: rotate(90deg);
  }
  .single-input {
    padding: 25px;
  }
  .single-input strong {
    margin-block: 14px 10px;
  }
  .useful-outputs {
    gap: 12px;
  }
  .useful-outputs article {
    padding: 20px;
  }
  .reuse-line {
    padding: 20px;
    gap: 15px;
  }
  .routing-board {
    padding: 21px 16px;
  }
  .routing-start {
    padding-left: 0;
  }
  .routing-start strong {
    font-size: 20px;
  }
  .routing-branches {
    padding-left: 13px;
  }
  .route-lane {
    grid-template-columns: 1fr 16px 1fr;
    gap: 10px;
    padding: 15px 12px;
  }
  .route-lane::before {
    width: 13px;
    left: -14px;
  }
  .route-time {
    grid-column: 1 / -1;
  }
  .route-lane strong {
    font-size: 13px;
  }
  .route-lane small {
    font-size: 8px;
    overflow-wrap: anywhere;
  }
  .speed-decisions {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}
@media (max-width: 350px) {
  .hero-equation {
    font-size: 23px;
    padding-inline: 10px;
  }
  .model-choices strong {
    font-size: 17px;
  }
}
@media print {
  .value-hero {
    padding-top: 25px;
  }
  .value-chapter {
    padding-block: 25px;
  }
  .model-board,
  .route-lane,
  .speed-decisions article {
    break-inside: avoid;
  }
}