.expertise {
  --green: #1ac71a;
  --brown: #d99663;
  --ink: #111111;
  --white: #ffffff;
  --muted: #666666;
  --line: #d9d9d9;
  --soft: #f5f5f1;
  background: var(--white);
  color: var(--ink);
  overflow: hidden;
}

.expertise * {
  box-sizing: border-box;
}

.expertise-inner {
  width: min(1440px, calc(100% - 80px));
  margin: 0 auto;
}

/* =========================================================
OPENING
========================================================= */

.expertise-opening {
  min-height: calc(94vh - 80px);
  padding: 55px 0 70px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-bottom: 1px solid var(--ink);
}

.expertise-marker {
  display: flex;
  gap: 18px;
  align-items: center;
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.expertise-marker-num {
  color: var(--green);
}

.expertise-marker-num::after {
  content: "/";
  margin-left: 18px;
  color: var(--line);
}

.expertise-title {
  margin: auto 0 25px;
  font-size: clamp(92px, 17vw, 250px);
  line-height: .76;
  letter-spacing: -.085em;
  font-weight: 500;
}

.expertise-strapline {
  margin: 0;
  font-size: 13px;
  letter-spacing: .18em;
  font-weight: 600;
}

/* =========================================================
STATEMENT
========================================================= */

.expertise-statement {
  padding: 150px 0 170px;
  display: grid;
  grid-template-columns: 180px minmax(0, 1.5fr) minmax(260px, .7fr);
  gap: 55px;
  align-items: start;
  border-bottom: 1px solid var(--ink);
}

.expertise-statement-eyebrow {
  margin: 8px 0 0;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--brown);
}

.expertise-statement-headline {
  margin: 0;
  max-width: 820px;
  font-size: clamp(46px, 5.6vw, 82px);
  line-height: .95;
  letter-spacing: -.065em;
  font-weight: 500;
}

.expertise-statement-headline strong {
  font-weight: 500;
  color: var(--green);
}

.expertise-statement-body {
  margin: 10px 0 0;
  max-width: 390px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--muted);
}

/* =========================================================
AREAS
========================================================= */

.expertise-areas {
  padding: 150px 0 0;
}

.expertise-areas-header {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 55px;
  padding-bottom: 75px;
}

.expertise-areas-num {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--green);
  font-weight: 700;
}

.expertise-areas-title {
  margin: 0;
  max-width: 900px;
  font-size: clamp(42px, 5vw, 72px);
  line-height: .98;
  letter-spacing: -.06em;
  font-weight: 500;
}

.expertise-area {
  display: grid;
  grid-template-columns: 90px minmax(280px, 1fr) minmax(300px, .9fr);
  gap: 40px;
  padding: 65px 0;
  border-top: 1px solid var(--line);
  position: relative;
  transition: padding .35s ease;
}

.expertise-area:last-child {
  border-bottom: 1px solid var(--ink);
}

.expertise-area::before {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: 0;
  height: 2px;
  background: var(--green);
  transition: width .4s ease;
}

.expertise-area:hover {
  padding-left: 25px;
}

.expertise-area:hover::before {
  width: 100%;
}

.expertise-area-number {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--brown);
  font-weight: 700;
}

.expertise-area-title {
  margin: 0;
  font-size: clamp(32px, 4vw, 58px);
  line-height: .95;
  letter-spacing: -.055em;
  font-weight: 500;
}

.expertise-area-body-wrap {
  padding-top: 4px;
}

.expertise-area-body {
  margin: 0;
  max-width: 470px;
  font-size: 17px;
  line-height: 1.55;
  color: var(--muted);
}

.expertise-area-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 18px;
  margin-top: 28px;
  max-width: 500px;
}

.expertise-area-keywords span {
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink);
}

.expertise-area-keywords span::before {
  content: "·";
  margin-right: 8px;
  color: var(--green);
}

/* =========================================================
PERSPECTIVE
========================================================= */

.expertise-perspective {
  width: 100vw;
  margin-top: 160px;
  margin-left: calc((1440px - 100vw) / 2);
  padding: 110px max(40px, calc((100vw - 1440px) / 2)) 150px;
  background: var(--ink);
  color: var(--white);
}

.expertise-perspective-header {
  display: flex;
  gap: 22px;
  align-items: center;
  margin-bottom: 85px;
}

.expertise-perspective-num {
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
}

.expertise-perspective-eyebrow {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #aaa;
}

.expertise-perspective-heading {
  margin: 0;
  max-width: 1100px;
  font-size: clamp(58px, 8vw, 122px);
  line-height: .83;
  letter-spacing: -.075em;
  font-weight: 500;
}

.expertise-perspective-heading span {
  display: block;
}

.expertise-perspective-heading span:nth-child(2) {
  margin-left: 13%;
  color: var(--green);
}

.expertise-perspective-heading span:nth-child(3) {
  margin-left: 27%;
}

.expertise-perspective-text {
  max-width: 480px;
  margin: 75px 0 100px auto;
  font-size: 17px;
  line-height: 1.6;
  color: #b9b9b9;
}

.expertise-model {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid #444;
}

.expertise-model-item {
  min-height: 290px;
  padding: 30px 35px 30px 0;
  border-right: 1px solid #444;
  position: relative;
}

.expertise-model-item + .expertise-model-item {
  padding-left: 35px;
}

.expertise-model-item:last-child {
  border-right: 0;
}

.expertise-model-number {
  display: block;
  margin-bottom: 75px;
  color: var(--brown);
  font-size: 11px;
  letter-spacing: .12em;
}

.expertise-model-title {
  margin: 0;
  font-size: clamp(30px, 3vw, 45px);
  letter-spacing: -.045em;
  font-weight: 500;
}

.expertise-model-body {
  max-width: 280px;
  margin: 15px 0 0;
  color: #999;
  font-size: 15px;
  line-height: 1.5;
}

/* =========================================================
PRACTICE
========================================================= */

.expertise-practice {
  padding: 160px 0;
}

.expertise-practice-header {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 55px;
  margin-bottom: 100px;
}

.expertise-practice-number {
  font-size: 12px;
  color: var(--green);
  font-weight: 700;
}

.expertise-practice-heading {
  margin: 0;
  font-size: clamp(58px, 7vw, 105px);
  line-height: .88;
  letter-spacing: -.07em;
  font-weight: 500;
}

.expertise-practice-list {
  border-top: 1px solid var(--ink);
}

.expertise-practice-item {
  display: grid;
  grid-template-columns: 100px 1fr 1.2fr;
  gap: 35px;
  align-items: start;
  padding: 42px 0;
  border-bottom: 1px solid var(--line);
}

.expertise-practice-item-number {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--brown);
  font-weight: 700;
}

.expertise-practice-item-title {
  margin: 0;
  font-size: clamp(32px, 4vw, 55px);
  line-height: .9;
  letter-spacing: -.055em;
  font-weight: 500;
}

.expertise-practice-item-body {
  max-width: 500px;
  margin: 4px 0 0;
  font-size: 17px;
  line-height: 1.55;
  color: var(--muted);
}

/* =========================================================
CLOSING
========================================================= */

.expertise-close {
  margin-top: 20px;
  padding: 120px 0 80px;
  border-top: 1px solid var(--ink);
}

.expertise-close-label {
  margin: 0 0 60px;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--brown);
  font-weight: 700;
}

.expertise-close-title {
  margin: 0;
  max-width: 1100px;
  font-size: clamp(58px, 8vw, 120px);
  line-height: .84;
  letter-spacing: -.075em;
  font-weight: 500;
}

.expertise-close-title span {
  display: block;
}

.expertise-close-title span:last-child {
  margin-left: 16%;
  color: var(--green);
}

.expertise-close-footer {
  margin-top: 110px;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 40px;
  border-top: 1px solid var(--line);
  padding-top: 25px;
}

.expertise-close-note {
  margin: 0;
  max-width: 300px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
}

.expertise-close-link {
  display: inline-flex;
  gap: 30px;
  align-items: center;
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  transition: gap .25s ease;
}

.expertise-close-link:hover {
  gap: 42px;
}

.expertise-close-arrow {
  color: var(--green);
  font-size: 22px;
}

/* =========================================================
REVEAL
========================================================= */

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s ease,
transform .8s cubic-bezier(.2,.7,.2,1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
TABLET
========================================================= */

@media (max-width: 1000px) {
  .expertise-inner {
    width: min(100% - 48px, 1440px);
  }

  .expertise-opening {
    min-height: calc(80vh - 60px);
    padding-top: 40px;
  }

  .expertise-statement {
    grid-template-columns: 1fr;
    gap: 35px;
    padding: 110px 0;
  }

  .expertise-statement-eyebrow {
    margin: 0;
  }

  .expertise-statement-body {
    margin-left: 20%;
  }

  .expertise-areas-header,
.expertise-practice-header {
    grid-template-columns: 100px 1fr;
    gap: 30px;
  }

  .expertise-area {
    grid-template-columns: 70px 1fr;
    gap: 25px;
  }

  .expertise-area-body-wrap {
    grid-column: 2;
  }

  .expertise-perspective {
    margin-left: calc((1440px - 100vw) / 2);
  }

  .expertise-perspective-heading span:nth-child(2),
.expertise-perspective-heading span:nth-child(3) {
    margin-left: 8%;
  }

  .expertise-practice-item {
    grid-template-columns: 70px 1fr;
  }

  .expertise-practice-item-body {
    grid-column: 2;
  }

}

/* =========================================================
MOBILE
========================================================= */

@media (max-width: 650px) {
  .expertise-inner {
    width: calc(100% - 36px);
  }

  .expertise-opening {
    min-height: calc(75vh - 50px);
    padding: 30px 0 55px;
  }

  .expertise-title {
    font-size: clamp(72px, 22vw, 130px);
  }

  .expertise-strapline {
    max-width: 280px;
    line-height: 1.7;
  }

  .expertise-statement {
    padding: 90px 0;
  }

  .expertise-statement-headline {
    font-size: clamp(42px, 12vw, 65px);
  }

  .expertise-statement-body {
    margin-left: 0;
  }

  .expertise-areas {
    padding-top: 90px;
  }

  .expertise-areas-header,
.expertise-practice-header {
    display: block;
  }

  .expertise-areas-title,
.expertise-practice-heading {
    margin-top: 28px;
  }

  .expertise-area {
    grid-template-columns: 40px 1fr;
    gap: 15px;
    padding: 45px 0;
  }

  .expertise-area-title {
    font-size: 36px;
  }

  .expertise-area-body-wrap {
    grid-column: 2;
  }

  .expertise-area-keywords {
    gap: 8px 14px;
  }

  .expertise-perspective {
    width: 100vw;
    margin-top: 90px;
    margin-left: -18px;
    padding: 80px 18px 90px;
  }

  .expertise-perspective-heading {
    font-size: clamp(48px, 14vw, 75px);
  }

  .expertise-perspective-heading span:nth-child(2),
.expertise-perspective-heading span:nth-child(3) {
    margin-left: 0;
  }

  .expertise-perspective-text {
    margin: 55px 0 70px;
  }

  .expertise-model {
    grid-template-columns: 1fr;
  }

  .expertise-model-item,
.expertise-model-item + .expertise-model-item {
    min-height: auto;
    padding: 28px 0;
    border-right: 0;
    border-bottom: 1px solid #444;
  }

  .expertise-model-item:last-child {
    border-bottom: 0;
  }

  .expertise-model-number {
    margin-bottom: 35px;
  }

  .expertise-practice {
    padding: 100px 0;
  }

  .expertise-practice-list {
    margin-top: 70px;
  }

  .expertise-practice-item {
    grid-template-columns: 40px 1fr;
    gap: 15px;
    padding: 35px 0;
  }

  .expertise-practice-item-body {
    grid-column: 2;
  }

  .expertise-close {
    padding: 90px 0 55px;
  }

  .expertise-close-title {
    font-size: clamp(48px, 13vw, 75px);
  }

  .expertise-close-title span:last-child {
    margin-left: 0;
  }

  .expertise-close-footer {
    margin-top: 75px;
    display: block;
  }

  .expertise-close-link {
    margin-top: 35px;
  }

}