.nav-list > li {
  position: relative;
}

.nav-expertise-trigger {
  display: flex;
  align-items: center;
}

.expertise-toggle {
  display: inline-flex;
  width: 32px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 0;
  background: transparent;
  color: #dce7eb;
  cursor: pointer;
}

.expertise-toggle svg {
  width: 16px;
  height: 16px;
  transition: transform 220ms var(--ease);
}

.nav-expertise.is-open .expertise-toggle svg {
  transform: rotate(180deg);
}

.nav-list .expertise-link.is-current::after {
  transform: scaleX(1);
  transform-origin: left;
}

.expertise-menu {
  position: absolute;
  top: calc(100% - 2px);
  left: 50%;
  display: grid;
  width: min(760px, calc(100vw - 48px));
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 12px;
  border: 1px solid rgba(228, 167, 110, 0.38);
  border-radius: var(--radius-md);
  visibility: hidden;
  background: rgba(6, 16, 24, 0.99);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 10px);
  transition: opacity 200ms ease, transform 200ms var(--ease);
}

.nav-expertise:hover .expertise-menu,
.nav-expertise:focus-within .expertise-menu,
.nav-expertise.is-open .expertise-menu {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.nav-list .expertise-menu a {
  display: grid;
  min-height: 148px;
  align-content: start;
  gap: 8px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: var(--white);
  transition: border-color 200ms ease, background 200ms ease, transform 200ms var(--ease);
}

.nav-list .expertise-menu a:hover,
.nav-list .expertise-menu a:focus-visible {
  border-color: rgba(199, 136, 82, 0.64);
  background: var(--blue-surface);
  transform: translateY(-3px);
}

.nav-list .expertise-menu a::after {
  display: none;
}

.expertise-menu span {
  color: var(--signal);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
}

.expertise-menu strong {
  font-family: var(--font-display);
  font-size: 0.98rem;
  line-height: 1.25;
}

.expertise-menu small {
  color: #aebfc7;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 400;
  line-height: 1.45;
}

.expertise-triad {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-rows: minmax(264px, auto);
  gap: 16px;
}

.expertise-pillar {
  position: relative;
  display: grid;
  min-height: 264px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--ink);
  isolation: isolate;
}

.expertise-pillar:first-child {
  min-height: 544px;
  grid-column: span 7;
  grid-row: span 2;
}

.expertise-pillar:nth-child(2),
.expertise-pillar:nth-child(3) {
  grid-column: span 5;
}

.expertise-pillar-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.expertise-pillar-media::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(4, 13, 19, 0.96) 0%, rgba(4, 13, 19, 0.32) 78%);
  content: '';
}

.expertise-pillar-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms var(--ease);
}

.expertise-pillar:hover .expertise-pillar-media img {
  transform: scale(1.035);
}

.expertise-pillar-copy {
  display: flex;
  align-self: end;
  flex-direction: column;
  align-items: flex-start;
  padding: 32px;
}

.expertise-pillar:first-child .expertise-pillar-copy {
  padding: 48px;
}

.expertise-pillar .kicker-number {
  margin-bottom: 18px;
  color: var(--signal);
}

.expertise-pillar h3 {
  max-width: 18ch;
  margin-bottom: 12px;
  color: var(--white);
  font-size: clamp(1.55rem, 1.3rem + 1vw, 2.6rem);
}

.expertise-pillar:first-child h3 {
  font-size: clamp(2rem, 1.55rem + 2vw, 3.6rem);
}

.expertise-pillar:nth-child(n + 2) h3 {
  font-size: clamp(1.35rem, 1.15rem + 0.8vw, 2rem);
}

.expertise-pillar p {
  max-width: 55ch;
  margin-bottom: 22px;
  color: #d5e0e5;
}

.expertise-pillar .text-link {
  color: var(--signal);
}

.expertise-scope {
  display: grid;
  margin-top: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.expertise-scope a {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
}

.expertise-scope a::after {
  color: var(--signal-dark);
  content: '↗';
}

.expertise-scope a:hover {
  background: var(--paper-deep);
}

.expertise-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.expertise-group {
  display: flex;
  min-height: 360px;
  flex-direction: column;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--ink);
  transition: border-color 220ms ease, background 220ms ease, transform 220ms var(--ease);
}

.expertise-group .kicker-number {
  margin-bottom: 48px;
  color: var(--signal-dark);
}

.expertise-group:hover,
.expertise-group:focus-visible {
  border-color: rgba(220, 122, 50, 0.52);
  background: #fbfaf7;
  transform: translateY(-2px);
}

.expertise-group h2 {
  max-width: 19ch;
  margin-bottom: 16px;
  font-size: clamp(1.45rem, 1.25rem + 0.75vw, 2.1rem);
  hyphens: none;
  overflow-wrap: normal;
}

.expertise-group p {
  margin-bottom: 32px;
  color: var(--muted);
}

.expertise-group .text-link {
  margin-top: auto;
  color: var(--signal-dark);
}

.page-hero-expertises .page-hero-grid {
  grid-template-columns: minmax(0, 760px);
}

.page-hero-expertises p {
  max-width: 62ch;
}

.expertise-overview-section {
  padding-top: clamp(3.5rem, 6vw, 5rem);
}

@media (max-width: 1080px) {
  .nav-expertise-trigger {
    display: grid;
    grid-template-columns: 1fr 58px;
    gap: 6px;
  }

  .nav-expertise-trigger > .expertise-link {
    width: 100%;
  }

  .expertise-toggle {
    width: 58px;
    height: 58px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.04);
  }

  .nav-expertise.is-open .expertise-toggle {
    border-color: rgba(199, 136, 82, 0.58);
    background: var(--blue-surface);
  }

  .nav-list .expertise-link.is-current {
    border-color: rgba(228, 167, 110, 0.35);
    background: var(--blue-surface);
    color: var(--white);
  }

  .expertise-menu,
  .nav-expertise:hover .expertise-menu,
  .nav-expertise:focus-within .expertise-menu {
    position: static;
    display: none;
    width: 100%;
    grid-template-columns: 1fr;
    margin-top: 6px;
    padding: 6px 0 0 12px;
    border: 0;
    visibility: visible;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    transform: none;
  }

  .nav-expertise.is-open .expertise-menu {
    display: grid;
    transform: none;
  }

  .nav-list .expertise-menu a {
    min-height: 72px;
    padding: 14px 16px;
  }

  .expertise-menu small {
    display: none;
  }

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

  .expertise-group {
    min-height: 300px;
  }
}

@media (max-width: 767px) {
  .page-hero h1 {
    hyphens: auto;
    overflow-wrap: break-word;
  }

  .expertise-triad {
    display: flex;
    flex-direction: column;
    grid-auto-rows: auto;
    gap: 16px;
  }

  .expertise-pillar:first-child,
  .expertise-pillar:nth-child(2),
  .expertise-pillar:nth-child(3) {
    min-height: 420px;
    width: 100%;
    grid-column: 1;
    grid-row: auto;
  }

  .expertise-pillar-copy,
  .expertise-pillar:first-child .expertise-pillar-copy {
    padding: 28px 24px;
  }

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

  .expertise-group {
    min-height: 0;
    padding: 28px 24px;
  }

  .expertise-group .kicker-number {
    margin-bottom: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .expertise-menu,
  .expertise-toggle svg,
  .expertise-pillar-media img {
    transition: none;
  }
}