@font-face {
  font-family:'DM Sans';
  font-style:normal;
  font-weight:400;
  font-display:swap;
  src:url('assets/fonts/dm-sans-regular.woff2') format('woff2')
}
@font-face {
  font-family:'DM Sans';
  font-style:normal;
  font-weight:500;
  font-display:swap;
  src:url('assets/fonts/dm-sans-medium.woff2') format('woff2')
}
@font-face {
  font-family:'DM Sans';
  font-style:normal;
  font-weight:600;
  font-display:swap;
  src:url('assets/fonts/dm-sans-semibold.woff2') format('woff2')
}
@font-face {
  font-family:'DM Sans';
  font-style:normal;
  font-weight:700;
  font-display:swap;
  src:url('assets/fonts/dm-sans-bold.woff2') format('woff2')
}
@font-face {
  font-family:'Instrument Serif';
  font-style:italic;
  font-weight:400;
  font-display:swap;
  src:url('assets/fonts/instrument-serif-italic.woff2') format('woff2')
}
:root {
  --surface:#F7F5EF;
  --stone:#DCD9CF;
  --green:#365340;
  --orange:#BC4B23;
  --ink:var(--green);
  --muted:var(--green);
  --line:color-mix(in srgb,var(--green) 24%,transparent);
  --gutter:clamp(24px,4.4vw,80px);
  --sans:'DM Sans',Arial,sans-serif;
  --serif:'Instrument Serif',Georgia,serif
}
* {
  box-sizing:border-box
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:100px
}
body {
  margin:0;
  background:var(--surface);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  -webkit-font-smoothing:antialiased
}
a {
  color:inherit;
  text-decoration:none
}
button,input,textarea {
  font:inherit
}
button {
  cursor:pointer
}
button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex]:focus-visible {
  outline:2px solid var(--orange);
  outline-offset:6px
}
main[tabindex]:focus {
  outline:none
}
button {
  color:inherit
}
::selection {
  background:var(--orange);
  color:var(--ink)
}
.skip-link {
  position:fixed;
  left:24px;
  top:-80px;
  background:var(--orange);
  color:var(--ink);
  padding:12px;
  z-index:99
}
.skip-link:focus {
  top:16px
}
.site-header {
  height:100px;
  padding:0 var(--gutter);
  display:flex;
  align-items:center;
  gap:30px;
  border-bottom:1px solid var(--line);
  position:relative;
  z-index:20;
  background:var(--surface)
}
.wordmark {
  font-size:34px;
  font-weight:700;
  letter-spacing:-2px;
  display:inline-flex;
  align-items:flex-end;
  line-height:1
}
.wordmark-dot {
  height:6px;
  width:6px;
  background:var(--orange);
  margin:0 0 4px 5px
}
.desktop-nav {
  display:flex;
  gap:35px;
  margin:auto
}
.desktop-nav a {
  font-size:14px;
  color:var(--green);
  transition:color .2s
}
.desktop-nav a:hover {
  color:var(--orange)
}
.header-contact {
  font-size:14px;
  display:flex;
  align-items:center;
  gap:28px;
  border:1px solid var(--line);
  padding:14px 19px
}
.header-contact:hover {
  background:var(--orange);
  border-color:var(--orange);
  color:var(--surface)
}
.header-contact span {
  font-size:22px;
  line-height:1
}
.menu-toggle,.mobile-nav {
  display:none
}
.hero {
  min-height:760px;
  height:calc(100svh - 100px);
  max-height:1060px;
  padding:35px var(--gutter) 0;
  position:relative;
  overflow:hidden;
  display:flex;
  flex-direction:column
}
.hero-grid {
  position:absolute;
  inset:0;
  background-image:linear-gradient(90deg,transparent calc(25% - 1px),color-mix(in srgb,var(--green) 5%,transparent) 25%,transparent calc(25% + 1px)),linear-gradient(0deg,transparent calc(50% - 1px),color-mix(in srgb,var(--green) 5%,transparent) 50%,transparent calc(50% + 1px));
  background-size:25% 100%,100% 50%;
  pointer-events:none
}
.hero-topline {
  display:flex;
  justify-content:space-between;
  position:relative;
  z-index:3
}
.eyebrow {
  font-size:12px;
  font-weight:550;
  letter-spacing:1.7px;
  line-height:1.6
}
.tiny-cross {
  color:var(--orange);
  font-size:20px;
  vertical-align:-2px;
  margin-right:8px
}
.hero-location {
  font-size:12px;
  letter-spacing:1.4px
}
.hero-location {
  color:var(--green);
  line-height:2
}
.hero-copy {
  position:relative;
  z-index:3;
  margin-top:clamp(55px,6.5vh,110px);
  pointer-events:none
}
.hero-copy a {
  pointer-events:auto
}
h1,h2,h3,p {
  margin:0
}
h1 {
  font-size:clamp(64px,7.9vw,128px);
  line-height:.99;
  letter-spacing:-.065em;
  font-weight:500;
  max-width:1400px
}
.serif-word {
  font-family:var(--serif);
  font-weight:400;
  font-style:italic;
  letter-spacing:-.035em
}
.hero-intro {
  margin-top:40px;
  max-width:355px
}
.hero-intro p {
  line-height:1.65;
  color:var(--green);
  font-size:17px
}
.text-link {
  display:inline-flex;
  gap:24px;
  align-items:center;
  font-size:14px;
  font-weight:500
}
.hero-intro .text-link {
  margin-top:27px
}
.circle-arrow {
  display:flex;
  width:35px;
  height:35px;
  border:1px solid var(--line);
  border-radius:50%;
  align-items:center;
  justify-content:center;
  font-size:17px;
  transition:background .2s
}
.text-link:hover .circle-arrow {
  background:var(--orange);
  color:var(--ink)
}
.hero-art {
  position:absolute;
  right:-4%;
  bottom:50px;
  width:70%;
  height:95%;
  z-index:1;
  pointer-events:none
}
.section-pad {
  padding:110px var(--gutter)
}
.expertise {
  background:var(--surface);
  color:var(--ink)
}
.section-heading {
  display:grid;
  grid-template-columns:1fr 2fr;
  gap:50px;
  margin-bottom:65px
}
.section-heading>.eyebrow {
  padding-top:12px
}
.section-heading h2 {
  font-size:clamp(42px,5vw,78px);
  font-weight:500;
  line-height:1.07;
  letter-spacing:-.055em
}
.muted {
  color:var(--green)
}
.section-heading p {
  max-width:400px;
  color:var(--green);
  font-size:17px;
  line-height:1.6;
  margin-top:23px
}
.system-layout {
  display:grid;
  grid-template-columns:1fr 2fr;
  gap:50px
}
.system-options {
  border-top:1px solid var(--line)
}
.system-tab {
  display:flex;
  width:100%;
  align-items:center;
  text-align:left;
  gap:24px;
  border:0;
  border-bottom:1px solid var(--line);
  background:transparent;
  padding:29px 5px;
  font-size:25px;
  font-weight:500;
  letter-spacing:-.8px;
  transition:color .2s
}
.tab-number {
  font-size:12px;
  letter-spacing:0;
  color:var(--green)
}
.tab-arrow {
  margin-left:auto;
  font-size:22px;
  opacity:0;
  transition:opacity .2s
}
.system-tab.active .tab-arrow,.system-tab:hover .tab-arrow {
  opacity:1
}
.system-tab.active {
  color:var(--ink)
}
.system-tab:not(.active) {
  color:var(--green)
}
.system-tab:focus-visible,.expertise a:focus-visible,.expertise [tabindex]:focus-visible {
  outline-color:var(--green)
}
.system-panel {
  background:var(--stone);
  padding:35px 40px;
  min-height:455px;
  transition:background .3s
}
.system-panel[data-theme=petroleum] {
  background:var(--stone)
}
.system-panel[data-theme=digital] {
  background:var(--stone)
}
.panel-top {
  display:flex;
  justify-content:space-between;
  gap:20px
}
.diagram-label {
  font-size:10px;
  letter-spacing:1.2px;
  color:var(--green);
  line-height:2
}
.system-panel h3 {
  font-size:clamp(38px,4vw,58px);
  font-weight:500;
  line-height:1.07;
  letter-spacing:-2px;
  margin-top:33px
}
.system-panel>p {
  font-size:16px;
  line-height:1.6;
  max-width:430px;
  margin-top:20px;
  color:var(--green)
}
.system-flow {
  display:flex;
  align-items:center;
  margin:38px 0 32px
}
.flow-node {
  white-space:nowrap;
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:1px;
  position:relative;
  padding:8px 0
}
.flow-line {
  height:1px;
  flex:1;
  background:var(--green);
  margin:0 14px;
  min-width:12px;
  position:relative
}
.flow-line:after {
  content:'';
  position:absolute;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--green);
  top:-2px;
  left:0;
  animation:flow 4s linear infinite
}
.flow-line:nth-child(4):after {
  animation-delay:2s
}
@keyframes flow {
  from {
    left:0
  }
  to {
    left:100%
  }
}
.panel-footer {
  border-top:1px solid var(--line);
  padding-top:21px;
  display:flex;
  flex-wrap:wrap;
  gap:15px;
  justify-content:space-between
}
.panel-footer p {
  font-size:12px;
  color:var(--green);
  line-height:1.8
}
.panel-footer a {
  font-size:13px
}
.placeholder-section {
  border-bottom:1px solid var(--line)
}
.placeholder-section h2 {
  font-size:clamp(38px,5vw,72px);
  font-weight:500;
  letter-spacing:-3px;
  line-height:1.07;
  margin-top:40px
}
.contact {
  background:var(--orange);
  color:var(--surface)
}
.contact h2 {
  font-size:clamp(60px,7.9vw,112px);
  font-weight:500;
  letter-spacing:-.055em;
  line-height:1.03;
  margin:50px 0
}
.contact-link {
  display:flex;
  align-items:center;
  justify-content:space-between;
  max-width:640px;
  border-bottom:1px solid var(--line);
  padding-bottom:20px;
  font-size:clamp(18px,2.3vw,30px)
}
.contact-link span {
  font-size:40px
}
.contact a:focus-visible {
  outline-color:var(--green)
}
.site-footer {
  padding:40px var(--gutter);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px
}
.site-footer .wordmark {
  font-size:28px
}
.site-footer>span,.site-footer>a:last-child {
  font-size:11px;
  letter-spacing:1px;
  color:var(--green)
}
.hero-art img {
  width:100%;
  height:100%;
  object-fit:contain;
  object-position:right bottom;
  display:block
}
.hero-art:after {
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,var(--surface) 0%,color-mix(in srgb,var(--surface) 88%,transparent) 17%,transparent 50%),linear-gradient(0deg,var(--surface) 0%,transparent 14%)
}
@media(min-width:1700px) {
  h1 {
    font-size:128px
  }
  .hero {
    min-height:860px
  }
}
@media(max-width:1100px) {
  .desktop-nav {
    gap:24px
  }
  .hero {
    min-height:720px
  }
  .hero-intro {
    max-width:300px
  }
  .section-heading,.system-layout {
    grid-template-columns:1fr 1.7fr;
    gap:30px
  }
  .system-tab {
    font-size:22px;
    gap:16px
  }
  .system-panel {
    padding:30px
  }
  .diagram-label {
    font-size:10px
  }
  .site-footer {
    flex-wrap:wrap
  }
}
@media(max-width:760px) {
  html {
    scroll-padding-top:75px
  }
  .site-header {
    height:78px;
    gap:15px
  }
  .wordmark {
    font-size:29px
  }
  .desktop-nav,.header-contact {
    display:none
  }
  .menu-toggle {
    display:flex;
    margin-left:auto;
    align-items:center;
    gap:12px;
    border:0;
    background:transparent;
    font-size:14px;
    min-height:44px;
    padding:10px 0 10px 12px
  }
  .menu-lines {
    display:block;
    width:22px;
    height:10px;
    border-top:1px solid var(--surface);
    border-bottom:1px solid var(--surface)
  }
  .mobile-nav:not([hidden]) {
    display:flex;
    position:absolute;
    top:77px;
    left:0;
    right:0;
    background:var(--surface);
    padding:24px var(--gutter) 30px;
    flex-direction:column;
    border-bottom:1px solid var(--line);
    gap:0
  }
  .mobile-nav a {
    padding:16px 0;
    font-size:20px;
    border-bottom:1px solid var(--line)
  }
  .hero {
    height:auto;
    min-height:780px;
    padding-top:26px
  }
  .hero-location {
    display:none
  }
  .hero-copy {
    margin-top:45px
  }
  .eyebrow {
    font-size:11px;
    letter-spacing:1.4px
  }
  h1 {
    font-size:clamp(44px,8.8vw,66px);
    letter-spacing:-.06em;
    line-height:1.08
  }
  .hero-intro {
    margin-top:26px;
    max-width:310px
  }
  .hero-intro p {
    font-size:16px
  }
  .hero-intro .text-link {
    margin-top:20px
  }
  .hero-art {
    right:-10%;
    bottom:45px;
    width:120%;
    height:400px
  }
  .section-pad {
    padding:65px var(--gutter)
  }
  .section-heading,.system-layout {
    grid-template-columns:1fr;
    gap:26px
  }
  .section-heading {
    margin-bottom:35px
  }
  .section-heading h2 {
    font-size:44px
  }
  .section-heading p {
    font-size:16px;
    margin-top:20px
  }
  .system-options {
    display:flex;
    border-top:0;
    gap:0
  }
  .system-tab {
    flex-direction:column;
    align-items:flex-start;
    font-size:17px;
    letter-spacing:-.5px;
    border-top:1px solid var(--line);
    gap:10px;
    padding:18px 10px 18px 0;
    position:relative
  }
  .system-tab.active {
    border-top:2px solid var(--ink);
    padding-top:17px
  }
  .tab-number {
    font-size:11px
  }
  .tab-arrow {
    display:none
  }
  .system-panel {
    padding:25px;
    min-height:430px
  }
  .system-panel h3 {
    font-size:44px
  }
  .panel-top {
    gap:15px;
    align-items:center
  }
  .diagram-label {
    font-size:8px;
    max-width:70px;
    text-align:right;
    line-height:1.7
  }
  .system-flow {
    margin:32px 0
  }
  .flow-node {
    font-size:10px;
    letter-spacing:.5px
  }
  .flow-line {
    margin:0 10px
  }
  .panel-footer {
    gap:15px
  }
  .panel-footer p {
    font-size:12px
  }
  .placeholder-section h2 {
    font-size:42px;
    letter-spacing:-2px;
    margin-top:30px
  }
  .contact h2 {
    margin:35px 0;
    font-size:58px
  }
  .contact-link {
    font-size:18px
  }
  .contact-link span {
    font-size:30px
  }
  .site-footer {
    padding:35px var(--gutter);
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:24px
  }
  .site-footer>span:first-of-type {
    grid-column:1/-1;
    grid-row:2;
    font-size:10px
  }
  .site-footer>a:last-child {
    justify-self:end
  }
  .site-footer>span:nth-of-type(2) {
    grid-row:3
  }
  .site-footer .wordmark {
    font-size:28px
  }
}
.challenge {
  background:var(--stone)
}
.challenge-heading,.about-heading {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:30px
}
.secondary-label {
  color:var(--green)
}
.challenge-layout {
  display:grid;
  grid-template-columns:1fr 1.35fr;
  gap:80px;
  margin-top:65px
}
.challenge-copy h2 {
  font-size:clamp(50px,5.6vw,88px);
  font-weight:500;
  line-height:1.04;
  letter-spacing:-.055em
}
.challenge-copy>p {
  font-size:20px;
  line-height:1.5;
  max-width:340px;
  margin-top:30px;
  color:var(--green)
}
.challenge-copy .challenge-detail {
  font-size:16px;
  line-height:1.7;
  color:var(--green);
  max-width:345px;
  margin-top:23px
}
.challenge-copy .text-link {
  margin-top:36px;
  border-bottom:1px solid var(--line);
  padding-bottom:10px
}
.route-explorer {
  padding:34px;
  background:var(--surface);
  border:1px solid var(--line);
  position:relative
}
.route-topline {
  display:flex;
  justify-content:space-between;
  gap:20px
}
.route-topline .diagram-label {
  color:var(--green);
  font-size:10px
}
.route-tabs {
  display:flex;
  border:1px solid var(--line);
  width:max-content;
  margin-top:28px;
  padding:4px;
  gap:4px
}
.route-tab {
  background:transparent;
  border:0;
  color:var(--green);
  padding:9px 18px;
  font-size:14px
}
.route-tab.active {
  background:var(--orange);
  color:var(--surface)
}
.route-source {
  display:flex;
  align-items:center;
  gap:10px;
  margin:36px 0 35px;
  font-size:12px;
  letter-spacing:1px;
  color:var(--green)
}
.source-square {
  height:9px;
  width:9px;
  border:1px solid var(--orange)
}
.route-stages {
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:0;
  position:relative
}
.route-stages li {
  font-size:12px;
  line-height:1.5;
  padding:0 8px 0 0;
  display:flex;
  flex-direction:column;
  gap:16px;
  position:relative;
  color:var(--green)
}
.route-stages li:before {
  content:'';
  position:absolute;
  top:16px;
  height:1px;
  left:0;
  right:0;
  background:var(--green)
}
.stage-index {
  height:32px;
  width:32px;
  border:1px solid var(--line);
  background:var(--surface);
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  font-size:11px;
  color:var(--orange);
  z-index:1
}
.route-stages li:last-child:before {
  right:calc(100% - 32px)
}
.route-explorer h3 {
  font-size:25px;
  font-weight:500;
  letter-spacing:-.7px;
  line-height:1.2;
  margin:35px 0 15px
}
.route-explorer #route-description {
  font-size:16px;
  line-height:1.65;
  color:var(--green);
  max-width:500px;
  min-height:79px
}
.route-note {
  display:flex;
  gap:15px;
  border-top:1px solid var(--line);
  margin-top:25px;
  padding-top:20px
}
.route-note>span {
  font-size:24px;
  color:var(--orange);
  line-height:1
}
.route-note p {
  font-size:12px;
  line-height:1.6;
  color:var(--green)
}
.technical-reference {
  margin-top:18px;
  font-size:12px;
  color:var(--green)
}
.technical-reference summary {
  cursor:pointer;
  width:max-content
}
.technical-reference p {
  line-height:1.8;
  margin-top:12px
}
.technical-reference a {
  text-decoration:underline;
  text-underline-offset:3px
}
.challenge-bottom {
  margin-top:70px;
  padding-top:25px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:40px
}
.challenge-bottom p {
  font-size:14px;
  line-height:1.6;
  color:var(--green);
  max-width:415px
}
.approach {
  background:var(--surface);
  color:var(--ink)
}
.lifecycle-tabs {
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--line);
  gap:0
}
.lifecycle-tab {
  background:transparent;
  border:0;
  text-align:left;
  padding:30px 25px 30px 0;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:16px;
  font-size:clamp(22px,2.8vw,40px);
  min-width:0;
  font-weight:500;
  letter-spacing:-1.5px;
  color:var(--green);
  border-bottom:1px solid var(--line)
}
.lifecycle-tab>span:first-child {
  grid-column:1/-1;
  font-size:12px;
  letter-spacing:1px
}
.lifecycle-tab.active {
  color:var(--ink);
  border-top:2px solid var(--ink);
  padding-top:28px
}
.lifecycle-tab.active .life-mark {
  color:var(--ink)
}
.life-mark {
  color:transparent;
  font-size:24px;
  align-self:center;
  justify-self:end
}
.lifecycle-tab:focus-visible,.approach [tabindex]:focus-visible {
  outline-color:var(--green)
}
.lifecycle-panel {
  display:grid;
  grid-template-columns:1fr 1.4fr 1fr;
  gap:45px;
  padding-top:40px;
  min-height:185px
}
.lifecycle-panel>.eyebrow {
  color:var(--green);
  font-size:11px;
  max-width:190px
}
.lifecycle-panel h3 {
  font-size:27px;
  font-weight:500;
  letter-spacing:-1px;
  line-height:1.15
}
.lifecycle-panel p {
  font-size:16px;
  line-height:1.65;
  color:var(--green);
  max-width:360px;
  margin-top:15px
}
.lifecycle-panel ul {
  list-style:none;
  margin:0;
  padding:0
}
.lifecycle-panel li {
  font-size:14px;
  color:var(--green);
  line-height:1.5;
  padding:8px 0;
  border-bottom:1px solid var(--line)
}
.about {
  background:var(--surface)
}
.location-label {
  font-size:12px;
  letter-spacing:1px;
  color:var(--green)
}
.about-layout {
  display:grid;
  grid-template-columns:1.65fr 1fr;
  gap:80px;
  margin-top:70px
}
.about h2 {
  font-size:clamp(38px,4.2vw,66px);
  font-weight:500;
  line-height:1.12;
  letter-spacing:-.04em
}
.about-copy p {
  font-size:18px;
  line-height:1.7;
  color:var(--green)
}
.about-copy p+p {
  font-size:16px;
  margin-top:22px;
  color:var(--green)
}
.about-copy a {
  margin-top:28px;
  border-bottom:1px solid var(--line);
  padding-bottom:10px
}
.about-principles {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:40px;
  margin-top:65px;
  border-top:1px solid var(--line);
  padding-top:25px
}
.about-principles span {
  font-size:11px;
  letter-spacing:1.4px;
  color:var(--green)
}
.about-principles p {
  font-size:17px;
  line-height:1.5;
  margin-top:13px;
  max-width:260px
}
.contact-topline {
  display:flex;
  justify-content:space-between;
  align-items:flex-start
}
.contact-cross {
  font-size:65px;
  line-height:.8
}
.contact-layout {
  display:grid;
  grid-template-columns:2fr 1fr;
  gap:50px;
  align-items:center
}
.contact-layout>p {
  font-size:20px;
  line-height:1.6;
  margin-top:25px;
  color:var(--green)
}
.contact-details {
  display:flex;
  gap:30px;
  font-size:13px;
  color:var(--green);
  margin-top:25px
}
.hero-art {
  right:-1%;
  width:72%
}
.flow-node {
  font-size:12px
}
.panel-footer a {
  font-size:14px
}
.panel-footer p {
  font-size:13px
}
.system-tab .tab-number {
  font-size:12px
}
@media(max-width:1100px) {
  .challenge-layout {
    gap:40px;
    grid-template-columns:1fr 1.2fr
  }
  .route-explorer {
    padding:26px
  }
  .route-stages li {
    font-size:11px
  }
  .lifecycle-panel {
    gap:30px
  }
  .about-layout {
    gap:40px
  }
  .about h2 {
    font-size:44px
  }
  .contact-layout>p {
    font-size:18px
  }
}
@media(max-width:760px) {
  .hero-art {
    right:-2%;
    width:115%;
    height:410px;
    bottom:45px
  }
  .hero-art:after {
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(90deg,var(--surface) 0%,color-mix(in srgb,var(--surface) 88%,transparent) 17%,transparent 50%),linear-gradient(0deg,var(--surface) 0%,transparent 14%)
  }
  .system-panel h3 {
    font-size:42px
  }
  .flow-node {
    font-size:12px;
    text-transform:none;
    letter-spacing:0
  }
  .flow-line {
    margin:0 8px
  }
  .diagram-label {
    font-size:10px
  }
  .challenge-heading .secondary-label {
    display:none
  }
  .challenge-layout {
    grid-template-columns:1fr;
    gap:38px;
    margin-top:35px
  }
  .challenge-copy h2 {
    font-size:58px
  }
  .challenge-copy>p {
    font-size:18px;
    margin-top:25px;
    max-width:100%
  }
  .challenge-copy .challenge-detail {
    max-width:100%
  }
  .challenge-copy .text-link {
    margin-top:24px
  }
  .route-explorer {
    padding:25px
  }
  .route-topline .diagram-label {
    font-size:9px
  }
  .route-tabs {
    margin-top:24px
  }
  .route-tab {
    padding:9px 16px
  }
  .route-source {
    font-size:11px;
    margin:28px 0
  }
  .route-stages {
    grid-template-columns:1fr;
    gap:0
  }
  .route-stages li {
    font-size:14px;
    flex-direction:row;
    align-items:center;
    gap:18px;
    min-height:62px;
    padding:0 0 18px
  }
  .route-stages li:before {
    top:24px;
    bottom:0;
    left:15px;
    width:1px;
    height:auto;
    right:auto
  }
  .route-stages li:last-child:before {
    display:none
  }
  .stage-index {
    flex-shrink:0
  }
  .route-explorer h3 {
    font-size:24px;
    margin-top:25px
  }
  .route-explorer #route-description {
    min-height:0
  }
  .technical-reference {
    font-size:13px
  }
  .challenge-bottom {
    flex-direction:column;
    gap:18px;
    margin-top:40px
  }
  .challenge-bottom p {
    font-size:14px
  }
  .lifecycle-tabs {
    grid-template-columns:repeat(2,minmax(0,1fr))
  }
  .lifecycle-tab {
    font-size:28px;
    letter-spacing:-1px;
    padding:25px 20px 25px 0
  }
  .lifecycle-tab.active {
    padding-top:23px
  }
  .lifecycle-panel {
    grid-template-columns:1fr;
    gap:20px;
    padding-top:28px;
    min-height:285px
  }
  .lifecycle-panel>.eyebrow {
    max-width:none
  }
  .lifecycle-panel h3 {
    font-size:25px
  }
  .lifecycle-panel p {
    max-width:none
  }
  .lifecycle-panel ul {
    display:flex;
    flex-wrap:wrap;
    gap:0 18px
  }
  .lifecycle-panel li {
    font-size:13px
  }
  .about-heading {
    display:block
  }
  .location-label {
    display:block;
    margin-top:12px;
    font-size:11px
  }
  .about-layout {
    grid-template-columns:1fr;
    gap:30px;
    margin-top:35px
  }
  .about h2 {
    font-size:40px
  }
  .about-copy p {
    font-size:17px
  }
  .about-principles {
    grid-template-columns:1fr;
    gap:22px;
    margin-top:40px;
    padding-top:25px
  }
  .about-principles p {
    font-size:16px;
    max-width:none;
    margin-top:8px
  }
  .contact-cross {
    font-size:40px
  }
  .contact-layout {
    grid-template-columns:1fr;
    gap:0
  }
  .contact-layout h2 {
    font-size:58px
  }
  .contact-layout>p {
    font-size:17px;
    margin:0 0 28px
  }
  .contact-details {
    flex-direction:column;
    gap:12px
  }
  .contact-link {
    font-size:clamp(15px,4.5vw,20px);
    gap:8px;
    overflow-wrap:anywhere
  }
  .contact-link span {
    flex-shrink:0
  }
}
@media(max-width:360px) {
  h1 {
    font-size:40px
  }
  .system-panel {
    padding:20px
  }
  .system-tab {
    font-size:16px
  }
  .system-flow {
    flex-direction:column;
    gap:10px;
    align-items:flex-start
  }
  .flow-line {
    height:20px;
    width:1px;
    flex:auto;
    margin:0 0 0 10px;
    min-width:0
  }
  .flow-line:after {
    display:none
  }
  .challenge-copy h2 {
    font-size:50px
  }
  .route-explorer {
    padding:20px
  }
  .route-tab {
    padding:9px 13px
  }
  .about h2 {
    font-size:36px
  }
  .contact-layout h2 {
    font-size:52px
  }
}
.route-stages {
  grid-template-columns:repeat(var(--stage-count,5),1fr)
}

@media(max-width:760px) {
  .route-stages {
    grid-template-columns:1fr
  }
  .system-flow {
    flex-wrap:wrap
  }
  .route-note p {
    font-size:13px
  }
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto
  }
  *,*:before,*:after {
    animation:none!important;
    transition:none!important
  }
}
/* Four-colour light art direction;
retain original supplied logo colours. */ .wordmark {
  display:inline-flex;
  align-items:center;
  flex-shrink:0;
  line-height:1
}
.wordmark img {
  display:block;
  width:186px;
  height:auto;
  max-width:100%;
  object-fit:contain
}
.site-footer .wordmark img {
  width:166px
}
.hero h1 .serif-word {
  color:var(--orange)
}
.hero-copy h1 {
  text-shadow:0 1px 0 var(--surface)
}
.expertise {
  background:var(--surface);
  border-top:1px solid var(--line)
}
.challenge {
  background:var(--stone)
}
.approach {
  border-bottom:1px solid var(--line)
}
.about {
  background:var(--surface)
}
.system-tab:not(.active) {
  color:var(--green)
}
.system-tab.active {
  color:var(--orange)
}
.system-tab.active .tab-arrow {
  color:var(--orange)
}
.lifecycle-tab {
  color:var(--green)
}
.lifecycle-tab.active {
  color:var(--orange)
}
.lifecycle-tab.active .life-mark {
  color:var(--orange)
}
.flow-line {
  background:var(--green)
}
.flow-line:after {
  background:var(--orange)
}
.stage-index {
  background:var(--surface);
  color:var(--orange);
  border-color:var(--green)
}
.route-stages li:before {
  background:var(--green)
}
.contact-layout>p,.contact-details {
  color:var(--surface)
}
.contact-link {
  border-bottom-color:color-mix(in srgb,var(--surface) 55%,transparent)
}
.contact a:focus-visible {
  outline-color:var(--surface)
}
.site-footer {
  background:var(--surface);
  border-top:1px solid var(--line)
}
.technical-reference a:hover {
  color:var(--orange)
}
.menu-lines {
  border-color:var(--green)
}
.hero-art {
  right:0;
  width:69%
}
.text-link:hover .circle-arrow,.skip-link {
  color:var(--surface)
}
::selection {
  color:var(--surface)
}
@media(max-width:760px) {
  .wordmark img {
    width:166px
  }
  .site-footer .wordmark {
    grid-column:1/-1
  }
  .site-footer .wordmark img {
    width:166px
  }
  .site-footer>a:last-child {
    grid-column:2;
    grid-row:3
  }
  .hero-art {
    right:-3%;
    width:115%
  }
  .hero-art:after {
    background:linear-gradient(0deg,var(--surface) 0%,transparent 16%),linear-gradient(180deg,var(--surface) 0%,transparent 12%)
  }
  .system-tab.active {
    border-top-color:var(--orange)
  }
}

/* Hero spacing after removal of the redundant bottom strip. */
.hero {
  min-height:720px;
}
.hero-art {
  bottom:20px;
}
@media(max-width:760px) {
  .hero {
    min-height:730px;
  }
  .hero-art {
    bottom:20px;
  }
}

/* Natural gas: the shared design extended into a complete capability page. */
.desktop-nav a[aria-current="page"],.mobile-nav a[aria-current="page"] {
  color:var(--orange)
}
.gas-page main>section {
  overflow:clip
}
.gas-breadcrumb {
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  font-size:12px;
  padding-top:30px
}
.gas-breadcrumb a:hover {
  color:var(--orange)
}
.gas-hero {
  padding:0 var(--gutter) 68px;
  border-bottom:1px solid var(--line)
}
.gas-hero-layout {
  display:grid;
  grid-template-columns:1.06fr 1fr;
  align-items:center;
  min-height:540px;
  gap:20px;
  padding-top:48px
}
.gas-hero-copy {
  position:relative;
  z-index:1
}
.gas-hero h1 {
  font-size:clamp(76px,8.5vw,142px);
  font-weight:500;
  letter-spacing:-.065em;
  line-height:.99;
  margin:30px 0 27px
}
.gas-hero h1 .serif-word,.gas-editorial-heading .serif-word {
  color:var(--orange)
}
.gas-hero-copy>p {
  font-size:20px;
  line-height:1.55;
  max-width:355px;
  margin:0 0 30px
}
.gas-hero-visual {
  position:relative;
  min-width:0;
  align-self:stretch;
  display:flex;
  align-items:center;
  justify-content:center
}
.gas-hero-visual img {
  display:block;
  width:118%;
  max-width:none;
  height:auto;
  position:relative;
  mix-blend-mode:multiply
}
.gas-visual-index {
  position:absolute;
  top:0;
  right:0;
  font-size:clamp(100px,13vw,210px);
  font-weight:400;
  letter-spacing:-.08em;
  line-height:1;
  color:var(--stone)
}
.gas-editorial-heading {
  display:grid;
  grid-template-columns:1fr 2.25fr;
  gap:40px;
  margin-bottom:55px
}
.gas-editorial-heading>.eyebrow {
  padding-top:10px
}
.gas-editorial-heading h2 {
  font-size:clamp(38px,4.3vw,70px);
  font-weight:500;
  line-height:1.08;
  letter-spacing:-.05em;
  margin:0
}
.gas-editorial-heading p {
  font-size:18px;
  line-height:1.6;
  max-width:545px;
  margin:24px 0 0
}
.gas-question-grid {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:40px
}
.gas-question-grid article {
  border-top:1px solid var(--line);
  padding-top:25px
}
.gas-question-grid h3 {
  font-size:25px;
  font-weight:500;
  letter-spacing:-.7px;
  line-height:1.25;
  max-width:260px;
  margin:28px 0 18px
}
.gas-question-grid p,.gas-route-context p,.gas-receiving-notes p {
  font-size:16px;
  line-height:1.65;
  margin:0;
  max-width:345px
}
.gas-routes {
  background:var(--stone)
}
.gas-routes-layout {
  display:grid;
  grid-template-columns:1fr 2.25fr;
  gap:40px;
  align-items:start
}
.gas-route-context h3 {
  font-size:25px;
  font-weight:500;
  line-height:1.25;
  letter-spacing:-.7px;
  max-width:255px;
  margin:0 0 22px
}
.gas-route-context p+p {
  margin-top:20px
}
.gas-route-context .text-link {
  margin-top:28px;
  display:inline-flex;
  max-width:100%;
  line-height:1.5
}
.gas-page .route-explorer {
  min-width:0;
  padding:40px
}
.gas-page .route-stages li {
  font-size:13px
}
.gas-page .route-explorer h3 {
  font-size:30px;
  margin-top:42px
}
.gas-schematic {
  margin:0;
  padding:30px 34px;
  border:1px solid var(--line)
}
.gas-schematic-top {
  display:flex;
  justify-content:space-between;
  gap:24px;
  align-items:center
}
.gas-process {
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  list-style:none;
  padding:0;
  margin:44px 0 32px
}
.gas-process li {
  display:flex;
  align-items:flex-start;
  flex-direction:column;
  gap:8px;
  position:relative;
  padding-right:20px;
  min-width:0
}
.gas-process li:before {
  content:'';
  position:absolute;
  height:1px;
  top:30px;
  left:0;
  right:0;
  background:var(--green)
}
.gas-process li:last-child:before {
  right:calc(100% - 60px)
}
.gas-process-symbol {
  display:flex;
  align-items:center;
  justify-content:center;
  width:60px;
  height:60px;
  background:var(--surface);
  border:1px solid var(--green);
  font-size:30px;
  color:var(--orange);
  position:relative;
  z-index:1;
  margin-bottom:18px
}
.gas-filter-symbol {
  border-radius:50%
}
.gas-process .eyebrow {
  font-size:10px;
  letter-spacing:.8px
}
.gas-process strong {
  font-size:19px;
  font-weight:500;
  letter-spacing:-.4px;
  line-height:1.25
}
.gas-process li>span:last-child {
  font-size:12px;
  line-height:1.5
}
.gas-schematic figcaption {
  border-top:1px solid var(--line);
  padding-top:22px;
  font-size:12px;
  line-height:1.65;
  max-width:100%
}
.gas-receiving-notes {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:50px;
  margin:35px 0 0 30.77%
}
.gas-receiving-notes h3 {
  font-size:22px;
  font-weight:500;
  letter-spacing:-.5px;
  line-height:1.25;
  margin:0 0 15px
}
.gas-role {
  border-top:1px solid var(--line)
}
.gas-role .lifecycle-panel {
  min-height:210px
}
.gas-contact .contact-layout {
  grid-template-columns:2.2fr 1fr
}
.gas-contact h2 {
  font-size:clamp(50px,6.5vw,100px)
}
.gas-footer-home {
  font-size:13px
}
@media(max-width:1100px) {
  .gas-hero-layout {
    min-height:480px
  }
  .gas-hero h1 {
    font-size:clamp(72px,9.2vw,105px)
  }
  .gas-editorial-heading,.gas-routes-layout {
    grid-template-columns:1fr 2fr;
    gap:30px
  }
  .gas-page .route-explorer {
    padding:28px
  }
  .gas-process strong {
    font-size:17px
  }
  .gas-receiving-notes {
    margin-left:34%
  }
  .gas-contact .contact-layout {
    grid-template-columns:2fr 1fr;
    gap:28px
  }
}
@media(max-width:760px) {
  .gas-breadcrumb {
    font-size:11px;
    gap:9px;
    padding-top:24px
  }
  .gas-hero {
    padding-bottom:26px
  }
  .gas-hero-layout {
    grid-template-columns:minmax(0,1fr);
    gap:8px;
    min-height:0;
    padding-top:42px
  }
  .gas-hero h1 {
    font-size:clamp(64px,15.7vw,110px);
    margin:24px 0
  }
  .gas-hero-copy>p {
    font-size:18px;
    max-width:370px;
    margin-bottom:24px
  }
  .gas-hero-visual {
    min-height:230px;
    margin-top:20px
  }
  .gas-hero-visual img {
    width:115%
  }
  .gas-visual-index {
    font-size:110px;
    top:0
  }
  .gas-editorial-heading,.gas-routes-layout {
    grid-template-columns:minmax(0,1fr);
    gap:26px
  }
  .gas-editorial-heading {
    margin-bottom:36px
  }
  .gas-editorial-heading>.eyebrow {
    padding-top:0
  }
  .gas-editorial-heading h2 {
    font-size:clamp(34px,8.5vw,54px)
  }
  .gas-editorial-heading p {
    font-size:17px;
    margin-top:20px
  }
  .gas-question-grid {
    grid-template-columns:minmax(0,1fr);
    gap:28px
  }
  .gas-question-grid h3 {
    font-size:24px;
    max-width:none;
    margin:20px 0 14px
  }
  .gas-question-grid p,.gas-route-context p,.gas-receiving-notes p {
    max-width:none
  }
  .gas-routes-layout {
    gap:36px
  }
  .gas-route-context h3 {
    max-width:none
  }
  .gas-page .route-explorer {
    padding:24px
  }
  .gas-page .route-stages li {
    font-size:14px
  }
  .gas-page .route-explorer h3 {
    font-size:25px;
    margin-top:26px
  }
  .gas-schematic {
    padding:25px
  }
  .gas-schematic-top {
    align-items:flex-start;
    flex-direction:column;
    gap:12px
  }
  .gas-process {
    grid-template-columns:minmax(0,1fr);
    gap:0;
    margin:32px 0 22px
  }
  .gas-process li {
    display:grid;
    grid-template-columns:50px minmax(0,1fr);
    grid-template-rows:auto auto auto;
    column-gap:24px;
    row-gap:5px;
    padding:0 0 28px
  }
  .gas-process li:before {
    top:0;
    bottom:0;
    left:24px;
    width:1px;
    height:auto;
    right:auto
  }
  .gas-process li:last-child:before {
    display:none
  }
  .gas-process li:last-child {
    padding-bottom:0
  }
  .gas-process-symbol {
    grid-column:1;
    grid-row:1/4;
    width:50px;
    height:50px;
    margin:0;
    align-self:center;
    font-size:27px
  }
  .gas-process li>.eyebrow,.gas-process strong,.gas-process li>span:last-child {
    grid-column:2
  }
  .gas-process strong {
    font-size:20px
  }
  .gas-receiving-notes {
    grid-template-columns:minmax(0,1fr);
    gap:26px;
    margin:28px 0 0
  }
  .gas-role .lifecycle-panel {
    min-height:285px
  }
  .gas-contact .contact-layout {
    grid-template-columns:minmax(0,1fr);
    gap:0
  }
  .gas-contact h2 {
    font-size:clamp(44px,11.7vw,68px)
  }
  .gas-footer-home {
    grid-column:1;
    font-size:12px
  }
}
@media(max-width:360px) {
  .gas-page .route-explorer,.gas-schematic {
    padding:20px
  }
  .gas-page .route-topline {
    flex-direction:column;
    gap:9px
  }
  .gas-page .route-tab {
    padding:9px 12px
  }
}

/* Petroleum and Digital extend the approved capability-page pattern. */
.capability-links {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  border-top:1px solid var(--line);
  margin-top:35px
}
.capability-links a {
  display:flex;
  align-items:center;
  gap:15px;
  min-height:64px;
  padding:18px 24px 18px 0;
  font-size:16px
}
.capability-links a>span:first-child {
  font-size:12px
}
.capability-links a>span:last-child {
  margin-left:auto;
  font-size:23px;
  color:var(--orange)
}
.capability-links a+a {
  border-left:1px solid var(--line);
  padding-left:24px
}
.capability-links a:hover {
  color:var(--orange)
}
.petroleum-page .gas-hero h1 {
  font-size:clamp(68px,7.1vw,118px)
}
.petroleum-explorer .route-tabs {
  max-width:100%;
  width:auto;
  flex-wrap:wrap
}
.pathway-description {
  font-size:16px;
  line-height:1.65;
  min-height:79px;
  max-width:500px;
  margin:0
}
.interface-rows {
  border-top:1px solid var(--line)
}
.interface-rows article {
  display:grid;
  grid-template-columns:1fr 1.12fr 1.13fr;
  gap:40px;
  padding:30px 0;
  border-bottom:1px solid var(--line);
  align-items:start
}
.interface-rows h3 {
  font-size:25px;
  font-weight:500;
  letter-spacing:-.7px;
  line-height:1.25;
  margin:0
}
.interface-rows p {
  font-size:16px;
  line-height:1.65;
  margin:0;
  max-width:420px
}
.digital-page .gas-hero h1 {
  font-size:clamp(56px,5.4vw,92px);
  line-height:1.04
}
.signal-board {
  border:1px solid var(--line);
  background:var(--stone);
  padding:30px;
  margin:0 0 0 24px;
  min-width:0
}
.signal-board figcaption {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px
}
.signal-board .diagram-label {
  font-size:12px;
  line-height:1.4
}
.signal-flow {
  list-style:none;
  padding:0;
  margin:32px 0 0
}
.signal-flow li {
  display:grid;
  grid-template-columns:44px minmax(0,1fr);
  column-gap:24px;
  padding:0 0 30px;
  position:relative
}
.signal-flow li:before {
  content:'';
  position:absolute;
  width:1px;
  left:21px;
  top:0;
  bottom:0;
  background:var(--green)
}
.signal-flow li:last-child {
  padding-bottom:0
}
.signal-flow li:last-child:before {
  display:none
}
.signal-number {
  width:44px;
  height:44px;
  border:1px solid var(--green);
  color:var(--orange);
  background:var(--surface);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  position:relative;
  z-index:1
}
.signal-flow strong {
  display:block;
  font-size:26px;
  letter-spacing:-.8px;
  line-height:1.2;
  font-weight:500;
  margin:10px 0
}
.signal-flow p {
  font-size:14px;
  line-height:1.5;
  margin:0
}
.signal-note {
  font-size:12px;
  line-height:1.5;
  border-top:1px solid var(--line);
  padding-top:20px;
  margin:25px 0 0
}
.digital-layer-layout {
  margin-left:30.77%;
  min-width:0
}
.digital-layer-tabs {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  border-top:1px solid var(--green)
}
.digital-layer-tab {
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:14px;
  text-align:left;
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
  font-size:26px;
  letter-spacing:-.8px;
  padding:25px 20px 25px 0;
  min-width:0
}
.digital-layer-tab>span:first-child {
  grid-column:1/-1;
  font-size:12px;
  letter-spacing:1px
}
.digital-layer-tab>span:last-child {
  color:var(--green)
}
.digital-layer-tab.active {
  color:var(--orange);
  border-bottom:2px solid var(--orange)
}
.digital-layer-tab.active>span:last-child {
  color:var(--orange)
}
.digital-layer-tab.active>span:first-child {
  color:var(--green)
}
.digital-layer-panel {
  background:var(--surface);
  border:1px solid var(--line);
  border-top:0;
  padding:40px;
  min-height:365px
}
.digital-layer-panel h3 {
  font-size:36px;
  letter-spacing:-1.2px;
  line-height:1.2;
  font-weight:500;
  margin:30px 0 20px
}
.digital-layer-panel p {
  font-size:18px;
  line-height:1.65;
  max-width:620px;
  margin:0
}
.digital-layer-panel ul {
  display:flex;
  flex-wrap:wrap;
  gap:10px 20px;
  list-style:none;
  padding:24px 0 0;
  margin:26px 0 0;
  border-top:1px solid var(--line)
}
.digital-layer-panel li {
  font-size:14px;
  line-height:1.5
}
.digital-reference {
  margin:22px 0 0 30.77%;
  max-width:650px;
  font-size:13px
}
@media(max-width:1100px) {
  .interface-rows article {
    gap:30px
  }
  .signal-board {
    margin-left:0;
    padding:25px
  }
  .signal-board figcaption {
    align-items:flex-start;
    flex-direction:column;
    gap:8px
  }
  .signal-flow li {
    column-gap:18px
  }
  .signal-flow strong {
    font-size:23px
  }
  .digital-layer-layout,.digital-reference {
    margin-left:34%
  }
  .digital-layer-tab {
    font-size:23px;
    padding-right:14px
  }
}
@media(max-width:760px) {
  .capability-links {
    grid-template-columns:minmax(0,1fr);
    margin-top:24px
  }
  .capability-links a {
    padding:16px 0;
    min-height:58px;
    border-bottom:1px solid var(--line)
  }
  .capability-links a+a {
    border-left:0;
    padding-left:0
  }
  .petroleum-page .gas-hero h1 {
    font-size:clamp(56px,14vw,100px)
  }
  .pathway-description {
    min-height:0
  }
  .interface-rows article {
    grid-template-columns:minmax(0,1fr);
    gap:18px;
    padding:26px 0
  }
  .interface-rows h3 {
    font-size:24px
  }
  .digital-page .gas-hero h1 {
    font-size:clamp(44px,11.5vw,78px)
  }
  .signal-board {
    margin:30px 0 10px;
    padding:25px
  }
  .signal-board figcaption {
    gap:10px
  }
  .digital-layer-layout,.digital-reference {
    margin-left:0
  }
  .digital-layer-tab {
    display:flex;
    flex-direction:column;
    gap:12px;
    font-size:clamp(17px,4.8vw,28px);
    letter-spacing:-.5px;
    padding:22px 8px 22px 0
  }
  .digital-layer-tab>span:last-child {
    display:none
  }
  .digital-layer-tab.active {
    color:var(--green)
  }
  .digital-layer-panel {
    padding:25px;
    min-height:395px
  }
  .digital-layer-panel h3 {
    font-size:29px;
    margin:26px 0 18px
  }
  .digital-layer-panel p {
    font-size:16px
  }
  .digital-layer-panel ul {
    padding-top:20px;
    margin-top:22px
  }
}
@media(max-width:360px) {
  .signal-board,.digital-layer-panel {
    padding:20px
  }
  .signal-flow li {
    grid-template-columns:36px minmax(0,1fr);
    column-gap:15px
  }
  .signal-number {
    width:36px;
    height:36px
  }
  .signal-flow li:before {
    left:17px
  }
  .signal-flow strong {
    font-size:21px
  }
  .petroleum-explorer .route-tab {
    padding:9px 10px
  }
  .lifecycle-tab {
    font-size:24px;
    gap:8px;
    padding-right:8px
  }
  .life-mark {
    font-size:20px
  }
}

/* About and Contact: editorial pages in the existing four-colour system. */
.company-hero {
  padding:0 var(--gutter) 65px;
  border-bottom:1px solid var(--line)
}
.company-hero-topline {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:25px;
  margin-top:65px
}
.company-hero h1 {
  font-size:clamp(84px,10.5vw,170px);
  font-weight:500;
  letter-spacing:-.065em;
  line-height:.99;
  margin:35px 0 50px
}
.company-hero .serif-word {
  color:var(--orange)
}
.company-hero-bottom {
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:50px
}
.company-hero-bottom p {
  font-size:20px;
  line-height:1.6;
  max-width:480px;
  margin:0
}
.company-hero-bottom .text-link {
  flex-shrink:0
}
.company-purpose {
  margin-left:30.77%;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:50px
}
.company-purpose article {
  border-top:1px solid var(--line);
  padding-top:25px
}
.company-purpose h3 {
  font-size:27px;
  font-weight:500;
  line-height:1.25;
  letter-spacing:-.7px;
  margin:26px 0 18px
}
.company-purpose p {
  font-size:16px;
  line-height:1.65;
  margin:0
}
.company-values,.enquiry-office {
  background:var(--stone)
}
.company-focus {
  border-top:1px solid var(--line)
}
.company-focus .gas-editorial-heading {
  margin-bottom:35px
}
.company-focus .capability-links {
  margin-left:30.77%
}
.company-contact .contact-layout {
  grid-template-columns:2fr 1fr
}
.company-contact h2 {
  font-size:clamp(60px,7.5vw,116px)
}
.company-contact-action {
  display:flex;
  width:max-content;
  align-items:center;
  gap:70px;
  font-size:24px;
  line-height:1.4;
  border-bottom:1px solid var(--surface);
  padding-bottom:16px
}
.company-contact-action span {
  font-size:32px
}
.footer-pages {
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:24px;
  font-size:13px
}
.footer-pages a:hover,.footer-pages a[aria-current="page"] {
  color:var(--orange)
}
.enquiry-hero h1 {
  font-size:clamp(78px,9.5vw,150px)
}
.enquiry-options {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px
}
.enquiry-option {
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  border:1px solid var(--line);
  padding:32px;
  transition:border-color .2s
}
.enquiry-option:hover {
  border-color:var(--orange)
}
.enquiry-option h3 {
  font-size:clamp(26px,2.7vw,40px);
  font-weight:500;
  line-height:1.15;
  letter-spacing:-1.1px;
  margin:35px 0 20px
}
.enquiry-option p {
  font-size:16px;
  line-height:1.65;
  max-width:290px;
  margin:0 0 35px
}
.enquiry-option-action {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  width:100%;
  margin-top:auto;
  border-top:1px solid var(--line);
  padding-top:20px;
  font-size:14px
}
.enquiry-option-action>span {
  color:var(--orange);
  font-size:25px
}
.enquiry-general {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:30px;
  border-top:1px solid var(--line);
  margin-top:35px;
  padding-top:25px
}
.enquiry-general p {
  font-size:16px;
  line-height:1.65;
  margin:0
}
.office-details {
  display:grid;
  grid-template-columns:1.55fr 1fr 1fr;
  gap:40px;
  border-top:1px solid var(--line);
  padding-top:30px
}
.office-details>div {
  min-width:0
}
.office-details .eyebrow {
  display:block;
  margin-bottom:25px
}
.office-email a {
  display:inline-flex;
  align-items:baseline;
  gap:12px;
  font-size:clamp(16px,1.6vw,25px);
  letter-spacing:-.5px;
  line-height:1.5;
  overflow-wrap:anywhere
}
.office-email a span {
  color:var(--orange);
  flex-shrink:0
}
.office-phone {
  display:block;
  font-size:18px;
  line-height:1.5;
  margin-bottom:10px
}
.office-details a:hover {
  color:var(--orange)
}
.office-details address {
  font-size:16px;
  font-style:normal;
  line-height:1.7
}
@media(max-width:1100px) {
  .company-purpose,.company-focus .capability-links {
    margin-left:34%
  }
  .company-purpose {
    gap:30px
  }
  .enquiry-option {
    padding:25px
  }
  .office-details {
    grid-template-columns:1.6fr 1fr;
    gap:35px
  }
}
@media(max-width:760px) {
  .company-hero {
    padding-bottom:40px
  }
  .company-hero-topline {
    flex-direction:column;
    align-items:flex-start;
    gap:12px;
    margin-top:42px
  }
  .company-hero h1 {
    font-size:clamp(50px,12.8vw,98px);
    margin:28px 0 32px
  }
  .company-hero-bottom {
    flex-direction:column;
    align-items:flex-start;
    gap:27px
  }
  .company-hero-bottom p {
    font-size:18px
  }
  .company-purpose,.company-focus .capability-links {
    margin-left:0
  }
  .company-purpose {
    grid-template-columns:minmax(0,1fr);
    gap:30px
  }
  .company-purpose h3 {
    font-size:25px
  }
  .company-contact .contact-layout {
    grid-template-columns:minmax(0,1fr)
  }
  .company-contact h2 {
    font-size:clamp(45px,11.5vw,72px)
  }
  .company-contact-action {
    max-width:100%;
    font-size:22px;
    gap:40px
  }
  .footer-pages {
    grid-column:1;
    gap:20px;
    font-size:12px
  }
  .enquiry-hero h1 {
    font-size:clamp(50px,12.9vw,96px)
  }
  .enquiry-options {
    grid-template-columns:minmax(0,1fr);
    gap:22px
  }
  .enquiry-option h3 {
    font-size:34px;
    margin-top:27px
  }
  .enquiry-option p {
    max-width:none;
    margin-bottom:28px
  }
  .enquiry-general {
    flex-direction:column;
    align-items:flex-start;
    gap:20px
  }
  .office-details {
    grid-template-columns:minmax(0,1fr);
    gap:30px
  }
  .office-details .eyebrow {
    margin-bottom:18px
  }
  .office-email a {
    font-size:clamp(15px,4.6vw,24px)
  }
}
@media(min-width:761px) and (max-width:900px) {
  .site-header {
    gap:16px
  }
  .site-header .wordmark img {
    width:166px
  }
  .desktop-nav {
    gap:18px
  }
  .desktop-nav a,.header-contact {
    white-space:nowrap
  }
  .header-contact {
    gap:18px;
    padding:12px 15px
  }
}

/* Release refinements: preserve the approved layout and native fallbacks. */
h1,h2,h3,.serif-word {
  overflow-wrap:anywhere
}
[role="tablist"]:not(.tabs-ready) {
  display:none
}
body:not(.interactions-ready) .system-panel,.static-details[data-static="systems"] {
  grid-column:1/-1
}
[hidden] {
  display:none!important
}
.mobile-menu,.mobile-project-link {
  display:none
}
.menu-toggle {
  cursor:pointer;
  list-style:none
}
.menu-toggle::-webkit-details-marker {
  display:none
}
.menu-close-text {
  display:none
}
.mobile-menu[open] .menu-text {
  display:none
}
.mobile-menu[open] .menu-close-text {
  display:inline
}
.quick-contact {
  margin-top:28px
}
.quick-contact-actions {
  display:flex;
  flex-wrap:wrap;
  gap:12px
}
.quick-contact-action {
  display:inline-flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  min-height:44px;
  padding:12px 16px;
  border:1px solid var(--green);
  background:transparent;
  color:var(--green);
  font-size:14px;
  line-height:1.4
}
.quick-contact-action:hover {
  background:var(--green);
  color:var(--surface)
}
.quick-contact-address,.copy-email-status {
  font-size:14px;
  line-height:1.6;
  overflow-wrap:anywhere;
  margin:16px 0 0
}
.quick-contact-address a {
  text-decoration:underline;
  text-underline-offset:4px
}
.copy-email-status {
  min-height:1.6em;
  margin-top:8px
}
.static-details {
  border-top:1px solid var(--line);
  margin-top:24px;
  font-size:16px;
  line-height:1.65
}
.static-details summary {
  cursor:pointer;
  padding:14px 0;
  min-height:44px;
  font-weight:500
}
.static-details article {
  padding:18px 0;
  border-top:1px solid var(--line)
}
.static-details h4 {
  font-size:23px;
  line-height:1.3;
  font-weight:500;
  margin:8px 0 16px
}
.static-details p {
  margin:10px 0;
  max-width:720px
}
.static-details a {
  text-decoration:underline;
  text-underline-offset:4px
}
.enquiry-faq {
  border-top:1px solid var(--line)
}
.enquiry-faq:last-child {
  border-bottom:1px solid var(--line)
}
.enquiry-faq summary {
  cursor:pointer;
  padding:20px 0;
  min-height:44px;
  font-size:18px;
  font-weight:500;
  line-height:1.5
}
.enquiry-faq p {
  max-width:760px;
  font-size:16px;
  line-height:1.7;
  margin:0 0 24px
}
@media(max-width:760px) {
  .mobile-menu {
    display:block;
    margin-left:auto
  }
  .mobile-menu .menu-toggle {
    margin-left:0
  }
  .mobile-menu[open] .mobile-nav {
    display:flex;
    max-height:calc(100dvh - 78px);
    overflow-y:auto;
    overscroll-behavior:contain
  }
  .mobile-project-link {
    display:flex;
    width:max-content;
    min-height:44px;
    align-items:center;
    gap:24px;
    margin-top:12px
  }
  .quick-contact-actions {
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr))
  }
  .quick-contact-action {
    gap:12px
  }
}

/* Leave room for enlarged text in tablet navigation. */
@media(max-width:900px) {
  .site-header {
    height:78px;
    gap:15px
  }
  .desktop-nav,.header-contact {
    display:none
  }
  .mobile-menu {
    display:block;
    margin-left:auto
  }
  .mobile-menu .menu-toggle {
    display:inline-flex;
    margin-left:0;
    align-items:center;
    gap:12px;
    border:0;
    background:transparent;
    font-size:14px;
    min-height:44px;
    padding:10px 0 10px 12px
  }
  .menu-lines {
    display:block;
    width:22px;
    height:10px;
    border-top:1px solid var(--green);
    border-bottom:1px solid var(--green)
  }
  .mobile-menu[open] .mobile-nav {
    display:flex;
    position:absolute;
    top:77px;
    left:0;
    right:0;
    background:var(--surface);
    padding:24px var(--gutter) 30px;
    flex-direction:column;
    border-bottom:1px solid var(--line);
    gap:0;
    max-height:calc(100dvh - 78px);
    overflow-y:auto;
    overscroll-behavior:contain
  }
  .mobile-nav a {
    padding:16px 0;
    font-size:20px;
    border-bottom:1px solid var(--line)
  }
}