:root {
  color-scheme: dark;
  --background: #0d121b;
  --surface: #121e2d;
  --text: #edf2f8;
  --muted: #b7c5d7;
  --subtle: #9cacbf;
  --line: #334457;
  --accent: #82c0ff;
  --accent-strong: #2795f2;
  --content-width: 1392px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  position: relative;
  isolation: isolate;
  margin: 0;
  background-color: var(--background);
  color: var(--text);
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(to right, rgba(117,151,184,.10) 1px, transparent 1px), linear-gradient(to bottom, rgba(117,151,184,.065) 1px, transparent 1px);
  background-size: 120px 120px;
  mask-image: linear-gradient(120deg, transparent 8%, #000 55%, transparent 100%);
}
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 3px solid #a5d6ff; outline-offset: 5px; }
h1, h2, h3, p { margin-top: 0; }
.layout { width: min(calc(100% - 96px), var(--content-width)); margin-inline: auto; }
.skip-link { position: absolute; top: 12px; left: 16px; z-index: 5; transform: translateY(-180%); padding: 12px; color: #061323; background: #edf2f8; }
.skip-link:focus { transform: translateY(0); }

.site-header { display: flex; align-items: center; justify-content: space-between; gap: 32px; min-height: 98px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; flex: none; align-items: center; }
.brand img { display: block; width: 118px; height: 86px; object-fit: cover; }
.navigation { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px clamp(18px, 2.8vw, 42px); }
.navigation a { color: var(--muted); font-size: 14px; padding: 10px 0; }
.navigation a:hover { color: var(--text); }

.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); align-items: center; gap: clamp(35px, 5vw, 80px); padding-block: clamp(64px, 7vw, 112px) 88px; }
.hero-copy { position: relative; z-index: 1; }
.hero-kicker, .section-label { color: var(--accent); font-size: 14px; font-weight: 600; margin-bottom: 22px; }
.hero h1 { max-width: 720px; font-size: clamp(48px, 6.1vw, 88px); line-height: 1.03; letter-spacing: -.055em; font-weight: 600; margin-bottom: 30px; }
.hero h1 span { color: var(--accent); }
.hero-description { max-width: 540px; color: var(--muted); font-size: clamp(17px, 1.4vw, 20px); line-height: 1.55; margin-bottom: 30px; }
.primary-link, .inside-toggle, .back-to-top { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 50px; padding: 12px 20px; border: 1px solid #75b7ef; border-radius: 3px; font: inherit; font-weight: 600; cursor: pointer; }
.primary-link { color: #061323; background: var(--accent); border-color: var(--accent); }
.primary-link:hover { color: #061323; background: #b2dcff; border-color: #b2dcff; }
.primary-link:active { background: #d1eaff; }

.inspection { min-width: 0; }
.inspection-title { display: flex; justify-content: space-between; align-items: baseline; gap: 15px; border-bottom: 1px solid var(--line); padding-bottom: 14px; }
.inspection-title p { font-size: 18px; font-weight: 600; margin: 0; }
.inspection-title span { color: var(--subtle); font-size: 13px; text-align: right; }
.inspection-visual { width: 100%; margin: 0 auto; }
.inspection-visual svg { display: block; width: 100%; height: auto; overflow: visible; }
.draft-lines { color: #54728d; opacity: .45; }
.system-shell { color: #7291ac; opacity: .32; transition: opacity 350ms ease; }
.system-inside { opacity: 1; transition: opacity 350ms ease; }
.layer { stroke: #78bdf5; stroke-width: 1.5; }
.layer-one { opacity: .82; }
.layer-two { opacity: .65; }
.layer-three { opacity: .5; }
.layer-four { opacity: .4; }
.layer-detail { stroke: #446581; stroke-width: 1; opacity: .7; }
.route { stroke: #4dafff; stroke-width: 4; stroke-linecap: round; }
.node { fill: #0d121b; stroke: #8bcaff; stroke-width: 3; }
[data-inside-mode="surface"] .system-inside { opacity: 0; }
[data-inside-mode="surface"] .system-shell { opacity: .95; }
.inspection-controls { display: flex; align-items: center; justify-content: space-between; gap: 18px; border-top: 1px solid var(--line); padding-top: 18px; }
.inspection-controls p { max-width: 300px; margin: 0; color: var(--muted); font-size: 14px; }
.inside-toggle { flex: none; background: #142235; color: var(--text); font-size: 14px; }
.inside-toggle::after { content: ""; width: 8px; height: 8px; border: 1px solid #82c0ff; flex: none; }
.inside-toggle[aria-pressed="true"]::after { background: #82c0ff; }
.inside-toggle[hidden] { display: none; }
.inside-toggle:hover { background: #203c59; border-color: #b2dcff; }
.inside-toggle:active { background: #315577; }
.inspection-stages { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 10px; padding: 23px 0 0; margin: 0; list-style: none; }
.inspection-stages li { color: var(--muted); font-size: 13px; line-height: 1.35; border-top: 2px solid #3978ac; padding-top: 9px; overflow-wrap: anywhere; }

.section { position: relative; padding-block: 84px 96px; border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(230px, .65fr); column-gap: 10%; align-items: end; margin-bottom: 54px; }
.section-heading .section-label { grid-column: 1 / -1; }
.section-heading h2, .closing h2 { font-size: clamp(36px, 4.3vw, 62px); line-height: 1.08; letter-spacing: -.045em; font-weight: 500; margin-bottom: 0; }
.section-lead { max-width: 420px; margin: 0; color: var(--muted); font-size: 17px; }
.capabilities { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(40px, 9vw, 140px); }
.capability { padding: 26px 0 30px; border-top: 1px solid var(--line); }
.capability h3 { font-size: clamp(22px, 2.1vw, 30px); line-height: 1.2; letter-spacing: -.03em; font-weight: 500; margin-bottom: 14px; }
.capability p { color: var(--muted); max-width: 450px; margin-bottom: 0; }
.capabilities-main .capability:first-child { border-top: 2px solid var(--accent-strong); }
.capabilities-side { padding-top: 48px; }
.capabilities-side .capability h3 { font-size: clamp(20px, 1.7vw, 25px); }
.section-note { color: var(--subtle); font-size: 14px; margin: 28px 0 0; }
.projects { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,.65fr); gap: 10%; }
.projects .section-heading { display: block; margin: 0; }
.projects-content { align-self: end; padding: 0 0 0 26px; border-left: 2px solid var(--accent-strong); }
.projects-content p:first-child { color: var(--text); font-size: 19px; }
.projects-content p:last-child { color: var(--muted); margin-bottom: 0; }

.approach-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(50px, 8vw, 120px); align-items: start; }
.approach-intro h2 { font-size: clamp(36px, 4.3vw, 62px); line-height: 1.08; letter-spacing: -.045em; font-weight: 500; margin-bottom: 26px; }
.work-steps { display: grid; gap: 0; padding: 0; margin: 4px 0 0; list-style: none; }
.work-steps li { position: relative; display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 20px; padding-bottom: 34px; }
.work-steps li:not(:last-child)::before { content: ""; position: absolute; top: 12px; bottom: -5px; left: 3px; width: 1px; background: #45617b; }
.work-steps li:last-child { padding-bottom: 0; }
.work-steps li > span { position: relative; padding-left: 19px; color: var(--accent); font-variant-numeric: tabular-nums; font-size: 15px; line-height: 1.45; }
.work-steps li > span::before { content: ""; position: absolute; top: .48em; left: 0; width: 7px; height: 7px; background: var(--accent); border-radius: 50%; }
.work-steps h3 { font-size: 20px; line-height: 1.3; font-weight: 600; margin-bottom: 7px; }
.work-steps p { color: var(--muted); font-size: 15px; margin: 0; max-width: 430px; }
.people { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(40px, 8vw, 120px); }
.person { min-width: 0; }
.person-role { display: block; color: var(--accent); font-size: 15px; font-weight: 600; margin-bottom: 24px; }
.person h3 { font-size: clamp(29px, 3.1vw, 44px); line-height: 1.12; letter-spacing: -.04em; font-weight: 500; overflow-wrap: break-word; margin-bottom: 20px; }
.person-surname, .person-given { display: block; }
.person-given { color: var(--muted); }
.person p { color: var(--muted); max-width: 390px; margin-bottom: 0; }
.closing { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,.65fr); gap: 10%; align-items: start; }
.closing h2 { max-width: 700px; }
.closing > div:last-child { color: var(--muted); font-size: 17px; }
.closing .section-note { font-size: 14px; }
.site-footer { min-height: 126px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line); }
.back-to-top { color: var(--text); font-size: 14px; background: transparent; }
.back-to-top:hover { background: #203c59; }
.back-to-top:active { background: #315577; }

@media (max-width: 950px) {
  .layout { width: calc(100% - 56px); }
  .site-header { padding-block: 10px; }
  .hero { grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 32px; padding-block: 70px; }
  .hero h1 { font-size: clamp(45px, 6.4vw, 65px); }
  .inspection-controls { align-items: flex-start; flex-direction: column; }
  .section { padding-block: 72px; }
  .approach-layout { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 650px) {
  .layout { width: calc(100% - 40px); }
  .site-header { align-items: flex-start; flex-direction: column; gap: 4px; padding-bottom: 17px; }
  .brand img { width: 100px; height: 75px; }
  .navigation { justify-content: flex-start; gap: 0 19px; }
  .navigation a { padding: 8px 0; font-size: 14px; }
  .hero { grid-template-columns: 1fr; gap: 48px; padding-block: 60px 68px; }
  .hero h1 { font-size: clamp(42px, 10.4vw, 62px); letter-spacing: -.045em; }
  .hero-description { font-size: 17px; }
  .inspection-title p { font-size: 17px; }
  .inspection-stages { grid-template-columns: repeat(2, minmax(0,1fr)); row-gap: 18px; }
  .section { padding-block: 62px 70px; }
  .section-heading, .projects, .closing { display: block; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2, .closing h2 { font-size: clamp(35px, 8.8vw, 48px); }
  .section-lead { margin-top: 22px; }
  .capabilities { grid-template-columns: 1fr; gap: 0; }
  .capabilities-side { padding-top: 0; }
  .projects-content { margin-top: 35px; }
  .approach-intro h2 { font-size: clamp(35px, 8.8vw, 48px); }
  .work-steps li { grid-template-columns: 48px minmax(0, 1fr); gap: 15px; padding-bottom: 28px; }
  .work-steps li:last-child { padding-bottom: 0; }
  .people { grid-template-columns: 1fr; gap: 42px; }
  .person h3 { font-size: clamp(28px, 8vw, 36px); }
  .person-role { margin-bottom: 17px; }
  .closing > div:last-child { margin-top: 25px; }
  .site-footer { min-height: 110px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .system-shell, .system-inside { transition: none; }
}