.top-nav {
  background: #1d5b91;
  border-top: 4px solid rgba(255,255,255,.75);
  border-bottom: 4px solid rgba(255,255,255,.9);
}

.top-nav-inner {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  max-width: 1200px;
  margin: 0 auto;
}

.top-nav a {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7px 10px;
  color: #fff;
  text-decoration: none;
  text-align: center;
  font-size: clamp(.78rem, 1.7vw, 1.05rem);
  font-weight: 650;
  letter-spacing: .02em;
}

.top-nav a:hover,
.top-nav a.active {
  background: #087bb9;
  color: #43e9ef;
}

.about-hero {
  position: relative;
  min-height: 440px;
  display: grid;
  align-items: end;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(0,94,150,.15), rgba(0,166,200,.05)),
    url("HOME-PAGE-tt-background.jpg") center/cover no-repeat;
}

.about-hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5,19,27,.86) 0%, rgba(5,19,27,.57) 52%, rgba(5,19,27,.13) 100%);
}

.about-hero-content {
  position: relative;
  z-index: 1;
  color: white;
  padding: 70px 0 58px;
}

.about-hero-content h1 {
  font-size: clamp(3.2rem, 8vw, 6rem);
}

.leadership-section {
  padding: 68px 0 72px;
  background: #eef3f6;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading h2,
.president-section h2,
.contact-panel h2,
.transparency-section h2 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
  letter-spacing: -.04em;
}

.section-heading > p:last-child {
  font-size: 1.08rem;
  line-height: 1.6;
  color: #4b626d;
}

.leadership-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.person-card {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 22px;
  align-items: center;
  min-width: 0;
  padding: 28px;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 18px 42px rgba(4,20,28,.10);
  border: 1px solid rgba(0,126,152,.12);
}

.person-card.primary {
  border-top: 5px solid #00a6c8;
}

.person-monogram {
  width: 88px;
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #075e9a, #00a6c8);
  color: white;
  font-weight: 850;
  font-size: 1.55rem;
  letter-spacing: .03em;
}

.person-role {
  margin: 0 0 6px;
  color: #007e98;
  font-size: .77rem;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.person-card h3 {
  margin: 0 0 9px;
  font-size: clamp(1.5rem, 3vw, 2.15rem);
}

.person-card p:last-child {
  margin: 0;
  line-height: 1.5;
  color: #536873;
}

.staff-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.staff-card {
  padding: 20px;
  border-radius: 16px;
  background: white;
  border: 1px solid rgba(0,126,152,.12);
}

.staff-card span {
  display: block;
  margin-bottom: 7px;
  color: #007e98;
  font-size: .72rem;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.staff-card strong {
  line-height: 1.35;
}

.president-section {
  padding: 64px 0;
  background: white;
}

.president-grid,
.transparency-grid {
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: 64px;
  align-items: start;
}

.president-copy {
  font-size: 1.08rem;
  line-height: 1.72;
  color: #3f5762;
}

.president-copy p:first-child { margin-top: 0; }
.president-copy p:last-child { margin-bottom: 0; }

.contact-section {
  padding: 58px 0;
  background: #0b2932;
  color: white;
}

.contact-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
}

.contact-panel .eyebrow { color: #43e9ef; }
.contact-panel p { line-height: 1.6; color: #d7e5ea; }

.contact-details {
  display: grid;
  justify-items: end;
  gap: 12px;
}

.contact-details div {
  display: grid;
  gap: 3px;
  text-align: right;
}

.contact-details span,
.contact-details small {
  color: #a9c2cc;
}

.contact-details a:not(.button) {
  color: white;
  font-weight: 700;
  text-decoration: none;
}

.transparency-section {
  padding: 54px 0;
  background: #eef8fa;
}

.transparency-grid > p {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.65;
  color: #3d5660;
}



/* Biography buttons */

.bio-card {
  position: relative;
}

.bio-button {
  margin-top: 14px;
  min-height: 38px;
  padding: 0 16px;

  border: 0;
  border-radius: 999px;

  background:
    linear-gradient(135deg, #075e9a, #00a6c8);

  color: #fff;

  font: inherit;
  font-size: .88rem;
  font-weight: 800;

  cursor: pointer;
}

.bio-button:hover {
  filter: brightness(1.05);
}


/* Biography popup */

.bio-dialog {
  width: min(760px, calc(100% - 32px));
  max-height: min(82vh, 820px);

  padding: 0;

  border: 0;
  border-radius: 22px;

  overflow: auto;

  box-shadow:
    0 28px 80px rgba(0, 30, 48, .28);
}

.bio-dialog::backdrop {
  background: rgba(4, 20, 28, .72);
  backdrop-filter: blur(4px);
}

.bio-dialog-content {
  padding: 34px;
  background: #fff;
}

.bio-dialog-head {
  display: grid;
  grid-template-columns: 104px 1fr;

  gap: 24px;
  align-items: center;

  padding-bottom: 24px;
  margin-bottom: 24px;

  border-bottom: 1px solid #dce8ec;
}

.person-monogram.large {
  width: 104px;
  font-size: 1.8rem;
}

.bio-dialog h2 {
  margin: 4px 0 0;

  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1;
  letter-spacing: -.04em;
}

.bio-copy {
  color: #3f5762;

  font-size: 1.06rem;
  line-height: 1.72;
}

.bio-copy p:first-child {
  margin-top: 0;
}

.bio-copy p:last-child {
  margin-bottom: 0;
}


/* close button */

.bio-close {
  position: sticky;
  top: 12px;

  float: right;
  z-index: 2;

  width: 40px;
  height: 40px;

  margin: 12px 12px -52px 0;

  border: 0;
  border-radius: 50%;

  background: #0b2932;
  color: #fff;

  font-size: 1.7rem;
  line-height: 1;

  cursor: pointer;
}


@media (max-width: 620px) {

  .bio-dialog-content {
    padding: 24px;
  }

  .bio-dialog-head {
    grid-template-columns: 76px 1fr;
    gap: 16px;
  }

  .person-monogram.large {
    width: 76px;
  }

}

@media (max-width: 900px) {
  .staff-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .president-grid,
  .transparency-grid { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 860px) {
  .top-nav-inner { grid-template-columns: repeat(2, 1fr); }
  .top-nav a { border-bottom: 1px solid rgba(255,255,255,.12); }
  .leadership-grid { grid-template-columns: 1fr; }
  .contact-panel { grid-template-columns: 1fr; }
  .contact-details { justify-items: start; }
  .contact-details div { text-align: left; }
}

@media (max-width: 760px) and (orientation: portrait) {
  .about-hero { min-height: 360px; }
  .about-hero-content { padding: 54px 0 44px; }
  .leadership-section { padding: 50px 0; }
  .staff-grid { grid-template-columns: 1fr; }
  .person-card { grid-template-columns: 68px 1fr; padding: 20px; }
  .person-monogram { width: 68px; }
}