* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 2rem; }
body { margin: 0; min-width: 320px; font-family: "Segoe UI", Arial, sans-serif; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
button, summary, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible { outline: 3px solid currentColor; outline-offset: 6px; }
img { display: block; width: 100%; height: auto; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.06; }
.wrap { width: min(100% - 5rem, 1160px); margin-inline: auto; }
.concept-banner { display: flex; justify-content: space-between; gap: 1rem; padding: .65rem 2.5rem; background: #17221c; color: #f6f4ed; font-size: .78rem; }
.concept-banner a { text-decoration: underline; text-underline-offset: .2em; }
.skip { position: fixed; top: 1rem; left: 1rem; padding: .8rem; background: white; color: #12202c; z-index: 20; transform: translateY(-200%); }
.skip:focus { transform: none; }
.demo-header { display: flex; justify-content: space-between; align-items: center; gap: 2rem; min-height: 104px; border-bottom: 1px solid currentColor; }
.wordmark { font-size: 1.65rem; font-weight: 800; letter-spacing: -.05em; line-height: 1.1; }
.wordmark span { display: block; margin-top: .3rem; font-size: .7rem; font-weight: 400; letter-spacing: .12em; }
.demo-header nav { display: flex; align-items: center; gap: 2.25rem; font-size: .9rem; }
.demo-header nav a { padding-block: .65rem; }
.demo-header nav a:hover { text-decoration: underline; text-underline-offset: .4em; }
.kicker { font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.demo-button { display: inline-flex; align-items: center; gap: 2rem; padding: 1rem 1.35rem; font-weight: 700; }
.demo-button:hover { filter: brightness(.92); }
.demo-button span { margin-left: auto; }
.demo-section, .light-section, .studio-section { padding-block: 6rem; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; }
.split h2, .demo-enquiry h2, .light-section h2 { font-size: clamp(2rem, 4vw, 3.4rem); letter-spacing: -.045em; }
.demo-enquiry p { max-width: 39rem; }
.demo-footer { display: flex; justify-content: space-between; gap: 1rem; padding-block: 1.75rem; border-top: 1px solid currentColor; font-size: .8rem; }
.demo-footer a { text-decoration: underline; text-underline-offset: .2em; }
.northline { background: #112b3c; color: #f9f7ee; }
.northline .demo-header { border-bottom-color: #476070; }
.northline .small-button { padding: .65rem 1.1rem; border: 1px solid #6e808c; }
.northline .wordmark span { letter-spacing: .27em; text-transform: uppercase; }
.northline-hero { display: grid; grid-template-columns: 1.25fr 1fr; align-items: center; gap: 5rem; padding-block: 4rem 4.5rem; }
.northline-hero h1 { font-size: clamp(2.8rem, 5.3vw, 4.8rem); letter-spacing: -.045em; margin-block: 1.35rem; }
.northline-hero .kicker { color: #e5d16e; }
.northline-hero .lead { max-width: 32rem; color: #d1dce1; font-size: 1.06rem; }
.northline .demo-button { background: #eed56b; color: #142d3a; margin-top: .75rem; }
.hero-footnote { margin-top: 1.25rem; color: #b7c8d1; font-size: .8rem; }
.service-index { padding: 2rem; border: 1px solid #55707d; }
.service-index > a { display: grid; grid-template-columns: 1.5rem 1fr auto; align-items: start; gap: 1rem; padding-block: 1.3rem; border-top: 1px solid #476070; font-size: 1.55rem; line-height: 1.2; }
.service-index > a:hover { color: #eed56b; }
.service-number { font-size: .72rem; padding-top: .3rem; color: #e5d16e; }
.service-index > p:last-child { margin: .8rem 0 0; color: #b7c8d1; font-size: .8rem; }
.light-section { background: #f1f0e8; color: #173245; }
.three-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3rem; margin-top: 3rem; }
.three-columns article { border-top: 1px solid #a1aaa9; padding-top: 1.1rem; }
.item-number { font-size: .75rem; text-transform: uppercase; letter-spacing: .07em; }
.three-columns h3 { font-size: 1.6rem; line-height: 1.2; }
.three-columns a { font-weight: 700; text-decoration: underline; text-underline-offset: .3em; }
.steps { list-style: none; padding: 0; margin: 0; counter-reset: step; }
.steps li { position: relative; padding: 1.1rem 0 1.1rem 2.7rem; border-bottom: 1px solid #476070; }
.steps li::before { counter-increment: step; content: "0" counter(step); position: absolute; left: 0; color: #eed56b; font-size: .8rem; }
.steps strong, .steps span { display: block; }
.steps span { color: #c8d6dd; margin-top: .35rem; }
.faq { max-width: 800px; }
details { padding-block: 1.2rem; border-bottom: 1px solid #a1aaa9; }
summary { cursor: pointer; font-weight: 650; }
details p { margin: 1rem 0 0; }
.fieldwork { background: #f4f0e7; color: #303b31; }
.fieldwork .demo-header { border-bottom-color: #b0b5a7; }
.fieldwork .wordmark { font-family: Georgia, serif; font-size: 2.7rem; font-weight: 400; letter-spacing: -.065em; }
.fieldwork .wordmark span { font-family: "Segoe UI", sans-serif; letter-spacing: .03em; }
.fieldwork-heading { display: grid; grid-template-columns: 1.4fr 1fr; align-items: end; gap: 3rem; padding-block: 2.5rem; }
.fieldwork-heading h1 { margin: 0; font-family: Georgia, serif; font-size: clamp(3.5rem, 6.5vw, 6rem); font-weight: 400; line-height: .94; letter-spacing: -.055em; }
.fieldwork-heading em, .studio-section em { color: #7e432b; font-weight: 400; }
.fieldwork-heading > div { padding-bottom: .25rem; }
.fieldwork-heading > div > p:not(.kicker) { line-height: 1.45; margin-bottom: .65rem; }
.fieldwork-heading a, .fieldwork figcaption a, .studio-section a { border-bottom: 1px solid currentColor; font-size: .86rem; }
.fieldwork figure { margin: 0; }
.fieldwork figure img { aspect-ratio: 1717 / 916; object-fit: contain; background: #152020; }
.fieldwork figcaption { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; padding-block: 1rem; border-bottom: 1px solid #b0b5a7; font-size: .8rem; }
.fieldwork h2 { font-family: Georgia, serif; font-weight: 400; }
.large-copy { font-family: Georgia, serif; font-size: 1.65rem; line-height: 1.3; }
.image-note { color: #5c665c; font-size: .83rem; }
.studio-section { background: #e3e7da; }
.fieldwork .demo-button { background: #303b31; color: #f4f0e7; margin-top: 1rem; }
@media (max-width: 900px) {
  .wrap { width: min(100% - 3rem, 1160px); }
  .northline-hero { gap: 2rem; }
  .service-index { padding: 1.3rem; }
  .service-index > a { font-size: 1.25rem; }
  .split { gap: 2.5rem; }
  .three-columns { gap: 1.5rem; }
}
@media (max-width: 640px) {
  .concept-banner { padding: .65rem 1.25rem; flex-direction: column; gap: .15rem; }
  .wrap { width: calc(100% - 2.5rem); }
  .demo-header { align-items: flex-start; flex-direction: column; gap: 1.25rem; padding-block: 1.5rem; }
  .demo-header nav { width: 100%; flex-wrap: wrap; gap: 1.25rem; font-size: .8rem; }
  .northline .small-button { border: 0; padding: .65rem 0; }
  .northline-hero, .fieldwork-heading, .split, .three-columns { grid-template-columns: 1fr; }
  .northline-hero { padding-block: 2.5rem; }
  .northline-hero h1 { font-size: clamp(2.7rem, 10vw, 4rem); }
  .fieldwork-heading { gap: 1.75rem; }
  .fieldwork-heading h1 { font-size: clamp(3.5rem, 17vw, 5.5rem); }
  .demo-section, .light-section, .studio-section { padding-block: 3.5rem; }
  .three-columns { gap: 2rem; }
  .demo-footer { flex-direction: column; }
  .demo-button { gap: 1rem; font-size: .88rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }