/* Sustainability extends the existing typography, colour and spacing system. */
.sustainability-section {
  --sustainability-green: #306847;
  --sustainability-soft: #edf2e8;
  border-top: 1px solid var(--line);
  scroll-margin-top: 24px;
}
.sustainability-heading h2 em { color: var(--sustainability-green); }
.sustainability-status { display: flex; gap: 12px; align-items: flex-start; margin-top: 25px; max-width: 610px; }
.sustainability-status .status-dot { margin-top: 8px; background: var(--sustainability-green); }
.sustainability-status p { margin: 0; font-size: 12px; color: var(--muted); line-height: 1.75; }
.sustainability-status strong { color: var(--ink); display: block; font-weight: 600; }
.sustainability-cards { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 22px; }
.sustainability-card {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.sustainability-card-top { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 28px; }
.sustainability-icon { display: grid; place-items: center; width: 48px; height: 48px; flex-shrink: 0; border-radius: 50%; background: var(--sustainability-soft); color: var(--sustainability-green); }
.sustainability-icon svg, .lifecycle-node svg { width: 27px; height: 27px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.sustainability-number { font-size: 10px; line-height: 1.5; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.sustainability-card h3 { font-size: clamp(23px, 2.1vw, 28px); line-height: 1.2; margin-bottom: 20px; }
.sustainability-card > p:not(.sustainability-highlight, .sustainability-service-note), .sustainability-upgrade-layout p { font-size: 14px; line-height: 1.8; color: var(--muted); margin-bottom: 24px; }
.sustainability-card .sustainability-highlight { margin: auto 0 0; padding-top: 19px; border-top: 1px solid var(--line); font-size: 12px; font-weight: 600; line-height: 1.6; color: var(--sustainability-green); }
.sustainability-resource { display: inline-block; font-size: 12px; font-weight: 600; text-decoration: underline; text-underline-offset: 4px; line-height: 1.8; margin-bottom: 10px; }
.sustainability-resource:hover { color: var(--sustainability-green); }
.sustainability-service-note { font-size: 11px; line-height: 1.7; color: var(--muted); margin-bottom: 23px; }
.sustainability-card-featured { grid-column: span 4; background: var(--ink); border-color: var(--ink); color: var(--paper); padding: 32px; }
.sustainability-card-featured .sustainability-icon { background: #2e5550; color: #d5e8c5; }
.sustainability-card-featured .sustainability-number { color: #c1d0c5; }
.sustainability-card-featured h3 { font-family: Georgia, "Times New Roman", serif; font-size: clamp(36px, 3.5vw, 48px); letter-spacing: -.035em; line-height: 1.08; }
.sustainability-card-featured h3 em { color: #c9dfb9; }
.sustainability-card-featured .sustainability-highlight { border-color: #54746a; color: #d5e8c5; }
.sustainability-upgrade-layout { display: grid; grid-template-columns: 1.6fr .8fr; gap: 20px; align-items: center; }
.sustainability-upgrade-layout p { color: #d0ddd3; }
.upgrade-illustration { color: #c9dfb9; text-align: center; padding-bottom: 30px; }
.upgrade-illustration svg { width: 100%; max-width: 220px; margin: auto; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.upgrade-core { fill: #244b48; }
.upgrade-module { fill: #c9dfb9; stroke: #c9dfb9; }
.upgrade-module + path { stroke: var(--ink); stroke-width: 2; }
.upgrade-orbit { stroke: #72937c; stroke-dasharray: 3 7; }
.upgrade-connector { stroke: #72937c; }
.upgrade-illustration span { display: block; font-size: 11px; line-height: 1.7; margin-top: 8px; }
.sustainability-lifecycle, .sustainability-measures { margin-top: 76px; }
.sustainability-subheading { display: flex; justify-content: space-between; align-items: flex-end; gap: 50px; margin-bottom: 35px; }
.sustainability-subheading .eyebrow { color: var(--sustainability-green); margin-bottom: 16px; }
.sustainability-subheading h3 { font-family: Georgia, "Times New Roman", serif; font-size: clamp(30px, 3.1vw, 42px); letter-spacing: -.035em; line-height: 1.15; }
.sustainability-subheading > p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; max-width: 500px; }
.sustainability-lifecycle .sustainability-subheading > p { font-size: 13px; }
.lifecycle-stages { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; margin: 0; padding: 0; list-style: none; }
.lifecycle-stages li { position: relative; min-width: 0; }
.lifecycle-stages li:not(:last-child)::after { content: ""; position: absolute; top: 26px; left: 64px; width: calc(100% - 64px); border-bottom: 1px solid #b6c9b2; }
.lifecycle-stages li:not(:last-child)::before { content: ""; position: absolute; top: 23px; right: 0; width: 6px; height: 6px; border-top: 1px solid var(--sustainability-green); border-right: 1px solid var(--sustainability-green); transform: rotate(45deg); }
.lifecycle-node { display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 22px; border: 1px solid #b6c9b2; background: var(--sustainability-soft); border-radius: 50%; color: var(--sustainability-green); }
.lifecycle-stages h4 { margin: 0 0 12px; font-size: 16px; font-weight: 600; line-height: 1.4; letter-spacing: -.02em; }
.lifecycle-stages p { font-size: 13px; color: var(--muted); line-height: 1.75; max-width: 240px; margin: 0; }
.sustainability-measures { border-top: 1px solid var(--line); padding-top: 50px; }
.sustainability-indicators { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; margin: 0; }
.sustainability-indicators > div { border-top: 2px solid #9caf91; padding-top: 18px; }
.sustainability-indicators dt { font-size: 14px; font-weight: 600; line-height: 1.5; margin-bottom: 9px; }
.sustainability-indicators dd { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.75; }
.sustainability-statement { display: grid; grid-template-columns: 1.1fr 1fr; gap: 65px; align-items: center; margin-top: 60px; padding: 44px; border: 1px solid #cbd7c2; border-radius: 8px; background: linear-gradient(120deg, #edf2e8, #f6f6ed); }
.sustainability-statement .eyebrow { color: var(--sustainability-green); font-size: 10px; margin-bottom: 22px; }
.sustainability-statement h3 { font-family: Georgia, "Times New Roman", serif; font-size: clamp(32px, 3.2vw, 45px); letter-spacing: -.04em; line-height: 1.12; }
.sustainability-statement h3 em { color: var(--sustainability-green); }
.sustainability-statement p:not(.eyebrow) { font-size: 14px; color: var(--muted); line-height: 1.8; margin-bottom: 22px; }
.sustainability-statement .button { font-size: 12px; padding: 15px 18px; }
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .sustainability-card:hover { border-color: #8fa68d; box-shadow: 0 10px 24px rgba(22, 61, 64, .06); transform: translateY(-3px); }
}
@media (max-width: 1100px) {
  .main-nav { gap: 18px; }
  .sustainability-cards { gap: 16px; }
  .sustainability-card { padding: 23px; }
  .sustainability-card-top { gap: 8px; }
  .sustainability-upgrade-layout { grid-template-columns: 1.5fr .7fr; gap: 16px; }
  .sustainability-subheading { gap: 35px; }
  .sustainability-subheading > p { max-width: 420px; }
  .sustainability-statement { padding: 34px; gap: 36px; }
}
/* The extra navigation item needs the existing collapsible menu on tablets too. */
@media (min-width: 701px) and (max-width: 960px) {
  .menu-toggle { display: inline-flex; }
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--paper); padding: 12px 24px 20px; border-bottom: 1px solid var(--line); box-shadow: 0 12px 16px rgba(22, 61, 64, .06); }
  .main-nav[data-open=true] { display: flex; }
  .main-nav > a:not(.button) { font-size: 14px; padding: 13px 0; }
  .main-nav .button { margin-top: 8px; padding: 14px; font-size: 13px; justify-content: space-between; }
}
@media (max-width: 960px) {
  .sustainability-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
  .sustainability-card { grid-column: auto; }
  .sustainability-card-featured { grid-column: auto; }
  .sustainability-card:last-child { grid-column: 1 / -1; }
  .sustainability-upgrade-layout { display: block; }
  .upgrade-illustration { display: none; }
  .sustainability-card-featured h3 { font-size: 37px; }
  .sustainability-subheading { align-items: flex-start; }
  .sustainability-subheading > p { max-width: 48%; }
  .lifecycle-stages { gap: 20px; }
  .lifecycle-stages h4 { font-size: 15px; }
  .sustainability-indicators { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 25px; }
  .sustainability-statement { gap: 25px; padding: 30px; }
}
@media (max-width: 700px) {
  .main-nav { gap: 0; }
  .sustainability-heading { margin-bottom: 32px; }
  .sustainability-heading h2 { font-size: clamp(37px, 9vw, 48px); }
  .sustainability-status { margin-top: 20px; }
  .sustainability-status p { font-size: 11px; }
  .sustainability-cards { grid-template-columns: minmax(0, 1fr); gap: 17px; }
  .sustainability-card, .sustainability-card-featured { grid-column: auto; padding: 25px; }
  .sustainability-card-top { margin-bottom: 23px; }
  .sustainability-card h3 { font-size: 27px; }
  .sustainability-card-featured h3 { font-size: 39px; }
  .sustainability-card .sustainability-highlight { padding-top: 17px; }
  .sustainability-lifecycle, .sustainability-measures { margin-top: 50px; }
  .sustainability-subheading { display: block; margin-bottom: 28px; }
  .sustainability-subheading h3 { font-size: 33px; }
  .sustainability-subheading > p { max-width: none; margin-top: 21px; }
  .sustainability-lifecycle .sustainability-subheading > p br { display: none; }
  .lifecycle-stages { grid-template-columns: 1fr; gap: 26px; }
  .lifecycle-stages li { padding-left: 74px; min-height: 86px; }
  .lifecycle-node { position: absolute; left: 0; top: 0; margin: 0; }
  .lifecycle-stages li:not(:last-child)::after { content: ""; left: 25px; top: 61px; bottom: -18px; width: 1px; border: 0; background: #b6c9b2; }
  .lifecycle-stages li:not(:last-child)::before { display: none; }
  .lifecycle-stages h4 { font-size: 17px; margin-bottom: 8px; padding-top: 3px; }
  .lifecycle-stages p { max-width: none; font-size: 14px; }
  .sustainability-measures { padding-top: 35px; }
  .sustainability-indicators { gap: 24px 20px; }
  .sustainability-statement { grid-template-columns: 1fr; gap: 25px; padding: 28px 25px; margin-top: 42px; }
  .sustainability-statement h3 { font-size: 35px; }
  .sustainability-statement .button { width: 100%; gap: 12px; }
}
@media (max-width: 380px) {
  .sustainability-card { padding: 22px; }
  .sustainability-card h3 { font-size: 25px; }
  .sustainability-card-featured h3 { font-size: 35px; }
  .sustainability-number { font-size: 9px; }
  .sustainability-indicators { grid-template-columns: 1fr; }
  .sustainability-statement { padding: 25px 22px; }
  .sustainability-statement h3 { font-size: 31px; }
}