html {
  scroll-padding-top: 205px;
}
.greeting-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.2fr;
  gap: 100px;
  align-items: start;
}
.greeting-heading .eyebrow {
  font-size: 14px;
  letter-spacing: 0.08em;
}
.greeting-heading h2 {
  font-size: clamp(30px, 3vw, 42px);
  line-height: 1.45;
  letter-spacing: -0.05em;
}
.greeting-intro {
  font-size: 15px;
  line-height: 1.9;
  margin-top: 25px;
  color: var(--muted);
}
.greeting-rule {
  display: block;
  width: 54px;
  height: 3px;
  background: var(--blue);
  margin-top: 35px;
}
.greeting-letter {
  border-left: 1px solid var(--line);
  padding-left: 54px;
}
.greeting-letter > p {
  font-size: 17px;
  line-height: 2;
  color: #4b5c6e;
  margin-bottom: 24px;
  letter-spacing: -0.015em;
}
.greeting-letter > p.greeting-opening {
  font-size: 21px;
  font-weight: 600;
  line-height: 1.8;
  color: var(--navy);
  margin-bottom: 30px;
}
.greeting-signature {
  display: flex;
  gap: 10px;
  align-items: baseline;
  border-top: 1px solid var(--line);
  padding-top: 25px;
  margin-top: 34px;
  justify-content: flex-end;
}
.greeting-signature span {
  font-size: 14px;
  color: var(--muted);
}
.greeting-signature strong {
  font-size: 23px;
  letter-spacing: 0.08em;
}
.history-intro {
  padding-bottom: 32px;
}
.history-intro > p {
  margin-top: 20px;
}
.era-navigation {
  position: sticky;
  top: var(--header);
  z-index: 20;
  background: #f3f6f9f7;
  backdrop-filter: blur(16px);
  margin-bottom: 22px;
  border-top: 1px solid #dce2e8;
  border-bottom: 1px solid #cbd5e1;
}
.era-rail {
  display: flex;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: #cad5e4 transparent;
  gap: 35px;
  padding: 0 2px;
}
.era-rail > a {
  display: flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  min-height: 70px;
  position: relative;
  font-size: 15px;
  color: #68768a;
  font-weight: 600;
  padding: 18px 5px;
  flex: 1 0 auto;
  transition: color 0.2s;
}
.era-rail > a:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--blue);
  transform: scaleX(0);
  transition: transform 0.2s;
}
.era-rail > a:hover,
.era-rail > a[aria-current] {
  color: var(--blue);
}
.era-rail > a[aria-current]:after {
  transform: scaleX(1);
}
.era-rail > a:focus-visible {
  outline-offset: -5px;
  border-radius: 3px;
}
.era-section {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 60px;
  padding: 52px 0;
  border-bottom: 1px solid #d5dee8;
  outline: none;
}
.era-section:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 8px;
}
.era-heading {
  position: relative;
}
.era-number {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: #8797ab;
  display: block;
  margin-bottom: 16px;
}
.era-heading h3 {
  font-size: 30px;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: -0.045em;
  line-height: 1.4;
  white-space: nowrap;
}
.era-heading > p {
  font-size: 14px;
  color: #748398;
  margin-top: 12px;
}
.era-body {
  border-left: 1px solid #cdd9e6;
  padding-left: 38px;
  position: relative;
}
.era-body:before {
  content: "";
  position: absolute;
  left: -4px;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
}
.era-body ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.era-body li {
  font-size: 16px;
  color: var(--ink);
  line-height: 1.85;
}
.era-body li + li {
  margin-top: 24px;
}
.era-body li strong {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}
.era-body li p {
  font-size: 15px;
  line-height: 1.9;
  margin-top: 8px;
  color: #67788b;
  max-width: 760px;
}
.era-subyear + .era-subyear {
  margin-top: 34px;
  padding-top: 27px;
  border-top: 1px solid #dce4ed;
}
.era-subyear h4 {
  font-size: 15px;
  margin: 0 0 17px;
  color: var(--blue);
  font-weight: 700;
}
.era-production {
  border-bottom: 0;
  padding-bottom: 0;
}
.era-production .era-heading h3 {
  font-size: 29px;
}
.delivery-group > h4 {
  font-size: 20px;
  color: var(--ink);
  margin: 0 0 28px;
  font-weight: 600;
}
.delivery-row {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 22px;
}
.delivery-row + .delivery-row {
  border-top: 1px solid #dce4ed;
  padding-top: 25px;
  margin-top: 25px;
}
.delivery-row h5 {
  font-size: 12px;
  color: #7b8ba0;
  font-weight: 400;
  margin: 0;
  line-height: 1.8;
}
.delivery-row h5 span {
  display: block;
  font-size: 18px;
  font-weight: 600;
  color: #425874;
}
.past-deliveries {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid #c6d2df;
}
@media (max-width: 1100px) {
  .greeting-layout {
    gap: 45px;
  }
  .greeting-letter {
    padding-left: 30px;
  }
  .era-section {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 30px;
  }
  .era-body {
    padding-left: 27px;
  }
  .era-rail {
    gap: 16px;
  }
  .era-rail > a {
    font-size: 14px;
  }
  .delivery-row {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 18px;
  }
}
@media (max-width: 760px) {
  html {
    scroll-padding-top: 165px;
  }
  .greeting-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .greeting-heading h2 {
    font-size: 32px;
  }
  .greeting-intro {
    margin-top: 17px;
  }
  .greeting-rule {
    margin-top: 23px;
  }
  .greeting-letter {
    border-left: none;
    padding-left: 0;
  }
  .greeting-letter > p {
    font-size: 16px;
    line-height: 1.95;
  }
  .greeting-letter > p.greeting-opening {
    font-size: 19px;
  }
  .greeting-signature {
    margin-top: 25px;
  }
  .history-intro {
    padding-bottom: 25px;
  }
  .era-navigation {
    top: var(--header);
    margin-inline: -20px;
    padding-inline: 20px;
    margin-bottom: 8px;
  }
  .era-rail {
    gap: 26px;
  }
  .era-rail > a {
    flex: 0 0 auto;
    min-height: 60px;
    padding: 16px 1px;
    font-size: 14px;
  }
  .era-section {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 35px 0;
  }
  .era-number {
    display: none;
  }
  .era-heading h3 {
    font-size: 27px;
  }
  .era-heading > p {
    margin-top: 7px;
  }
  .era-body {
    padding-left: 22px;
  }
  .era-body li,
  .era-body li strong {
    font-size: 16px;
  }
  .era-body li p {
    font-size: 14px;
  }
  .delivery-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .delivery-row h5 {
    display: flex;
    align-items: baseline;
    gap: 5px;
  }
  .delivery-row h5 span {
    font-size: 16px;
  }
  .delivery-group > h4 {
    font-size: 19px;
  }
  .era-production {
    padding-bottom: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  .era-rail > a,
  .era-rail > a:after {
    transition: none;
  }
}

/* Spacing between the combined history entries. */
.era-events + .era-events {
  margin-top: 24px;
}