:root {
  --paper: #f3f5f7;
  --white: #ffffff;
  --ink: #101828;
  --muted: #5e6978;
  --line: #cbd3dd;
  --line-soft: #dfe5eb;
  --blue: #114fd1;
  --blue-deep: #09399f;
  --orange: #ff6b1a;
  --grid: rgba(17, 79, 209, .075);
  --mono: "IBM Plex Mono", monospace;
  --sans: "Manrope", Arial, sans-serif;
  --max: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 32px 32px;
  font-family: var(--sans);
  line-height: 1.6;
}
body.menu-open { overflow: hidden; }
button, input, select, textarea { font: inherit; }
a { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.08; }
h2 { max-width: 850px; margin-bottom: 0; font-size: clamp(2.1rem, 4.2vw, 4.4rem); letter-spacing: -.055em; }
.skip-link { position: fixed; top: -60px; left: 20px; z-index: 100; padding: 10px 16px; color: white; background: var(--blue); }
.skip-link:focus { top: 10px; }
.measure-line { position: fixed; top: 0; left: 0; z-index: 80; width: 100%; height: 3px; background: linear-gradient(90deg, var(--orange) 0 18%, var(--blue) 18% 100%); }

.site-header {
  position: sticky; top: 0; z-index: 50;
  display: grid; grid-template-columns: minmax(260px, 1fr) auto auto; align-items: center; gap: 34px;
  min-height: 82px; padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid var(--line); background: rgba(243, 245, 247, .94); backdrop-filter: blur(14px);
}
.brand { display: flex; align-items: center; gap: 13px; text-decoration: none; line-height: 1; }
.brand > span:last-child { display: flex; flex-direction: column; gap: 7px; }
.brand b { font-size: .78rem; letter-spacing: .035em; }
.brand small { color: var(--muted); font: 500 .67rem var(--mono); letter-spacing: .07em; }
.brand-mark { position: relative; display: grid; width: 35px; height: 35px; border: 2px solid var(--blue); place-content: center; }
.brand-mark::before, .brand-mark::after { position: absolute; content: ""; background: var(--orange); }
.brand-mark::before { top: 15px; left: -7px; width: 47px; height: 2px; }
.brand-mark::after { top: -7px; left: 15px; width: 2px; height: 47px; }
.brand-mark i { display: block; width: 15px; height: 2px; margin: 2px; background: var(--blue); }
.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a { position: relative; font-size: .78rem; font-weight: 700; text-decoration: none; text-transform: uppercase; letter-spacing: .04em; }
.site-nav a::after { position: absolute; right: 0; bottom: -10px; left: 0; height: 2px; content: ""; background: var(--orange); transform: scaleX(0); transition: transform .2s; }
.site-nav a:hover::after, .site-nav a.active::after { transform: scaleX(1); }
.lang-switch { display: flex; gap: 6px; padding: 9px 12px; border: 1px solid var(--line); color: var(--muted); background: var(--white); font: 600 .75rem var(--mono); cursor: pointer; }
.lang-switch .lang-active { color: var(--blue); }
.menu-toggle { display: none; }

.section-grid {
  display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 32px 46px;
  max-width: var(--max); margin: 0 auto; padding: 120px 24px; border-right: 1px solid var(--line); border-left: 1px solid var(--line);
}
.section-code { padding-top: 8px; color: var(--blue); font: 600 .72rem var(--mono); letter-spacing: .08em; }
.section-heading { max-width: 1040px; }
.section-heading > p:last-child:not(.eyebrow) { max-width: 780px; margin: 30px 0 0; color: var(--muted); font-size: 1.06rem; }
.eyebrow { margin-bottom: 24px; color: var(--orange); font: 600 .73rem var(--mono); letter-spacing: .13em; }
.btn { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: 12px 20px; border: 1px solid var(--blue); font-size: .84rem; font-weight: 800; text-decoration: none; cursor: pointer; transition: background .2s, color .2s, transform .2s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: white; background: var(--blue); }
.btn-primary:hover { background: var(--blue-deep); }
.btn-line { color: var(--blue); background: transparent; }
.btn-line:hover { color: white; background: var(--blue); }

.hero { grid-template-columns: 150px minmax(0, 1.1fr) minmax(370px, .9fr); min-height: 750px; padding-top: 90px; padding-bottom: 90px; }
.hero-copy h1 { max-width: 760px; margin-bottom: 30px; font-size: clamp(3rem, 5.8vw, 6.4rem); letter-spacing: -.07em; }
.hero-lead { max-width: 750px; color: var(--muted); font-size: clamp(1rem, 1.35vw, 1.2rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; max-width: 720px; margin: 54px 0 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.hero-facts li { display: flex; flex-direction: column; gap: 8px; padding: 18px 18px 0 0; }
.hero-facts span { color: var(--muted); font: .7rem var(--mono); text-transform: uppercase; }
.hero-facts b { font-size: .85rem; }
.hero-schematic { position: relative; min-height: 530px; overflow: hidden; border: 1px solid var(--blue); background: rgba(255, 255, 255, .6); }
.hero-schematic::before { position: absolute; inset: 16px; content: ""; border: 1px dashed rgba(17, 79, 209, .45); }
.schematic-title { position: absolute; top: 30px; right: 30px; left: 30px; display: flex; justify-content: space-between; color: var(--blue); font: .68rem var(--mono); }
.schematic-title strong { color: var(--orange); }
.axis { position: absolute; background: var(--blue); opacity: .35; }
.axis-x { top: 50%; left: 8%; width: 84%; height: 1px; }
.axis-y { top: 10%; left: 50%; width: 1px; height: 80%; }
.node { position: absolute; display: grid; place-items: center; width: 104px; height: 104px; border: 1px solid var(--blue); border-radius: 50%; color: var(--blue); background: var(--paper); }
.node::after { position: absolute; top: 50%; left: 100%; width: 45px; height: 1px; content: ""; background: var(--orange); transform-origin: left; }
.node b { position: absolute; top: -5px; right: -5px; display: grid; width: 28px; height: 28px; border-radius: 50%; color: white; background: var(--orange); font: .65rem var(--mono); place-items: center; }
.node span { font: 600 .65rem var(--mono); text-transform: uppercase; }
.node-a { top: 20%; left: 12%; }
.node-b { top: 38%; left: 42%; }
.node-c { top: 65%; left: 18%; }
.node-d { top: 15%; right: 10%; }
.node-e { right: 12%; bottom: 10%; }
.node-a::after { width: 170px; transform: rotate(27deg); }
.node-b::after { width: 155px; transform: rotate(-38deg); }
.node-c::after { width: 205px; transform: rotate(-5deg); }
.node-d::after { width: 100px; transform: rotate(83deg); }
.node-e::after { display: none; }
.dimension { position: absolute; color: var(--muted); font: .6rem var(--mono); }
.dim-one { bottom: 12px; left: 45%; }
.dim-two { top: 48%; left: 5px; transform: rotate(-90deg); }
.ticker { overflow: hidden; border-block: 1px solid var(--blue); color: white; background: var(--blue); white-space: nowrap; }
.ticker div { width: max-content; padding: 13px 0; font: 500 .69rem var(--mono); letter-spacing: .06em; animation: ticker 32s linear infinite; }
@keyframes ticker { to { transform: translateX(-50%); } }

.intro { grid-template-columns: 150px minmax(0, 1.2fr) minmax(300px, .8fr); }
.intro-copy { padding-top: 43px; color: var(--muted); font-size: 1.06rem; }
.note-box { margin-top: 35px; padding: 20px; border: 1px dashed var(--blue); background: rgba(255,255,255,.45); }
.note-box span { color: var(--orange); font: 600 .67rem var(--mono); }
.note-box p { margin: 10px 0 0; font-size: .9rem; }

.services { background: rgba(255,255,255,.35); }
.service-grid { grid-column: 2; display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 30px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card { min-height: 350px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(243,245,247,.72); transition: border-color .2s, background .2s; }
.service-card:hover { border-color: var(--orange); background: white; }
.service-card > span { color: var(--blue); font: 600 .7rem var(--mono); }
.service-card h3 { margin: 45px 0 18px; font-size: 1.45rem; letter-spacing: -.03em; }
.service-card p { color: var(--muted); font-size: .92rem; }
.service-card ul { margin: 25px 0 0; padding: 0; border-top: 1px solid var(--line-soft); list-style: none; }
.service-card li { padding: 8px 0; border-bottom: 1px solid var(--line-soft); font-size: .75rem; }
.service-card li::before { margin-right: 9px; color: var(--orange); content: "+"; font-family: var(--mono); }

.deliverables { color: white; background-color: var(--blue-deep); background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px); background-size:32px 32px; }
.deliverables .section-code { color: #9ebcff; }
.deliverable-list { grid-column: 2; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 30px; border-top: 1px solid rgba(255,255,255,.3); border-left: 1px solid rgba(255,255,255,.3); }
.deliverable-list > div { min-height: 240px; padding: 24px; border-right: 1px solid rgba(255,255,255,.3); border-bottom: 1px solid rgba(255,255,255,.3); }
.deliverable-list b { color: #8db0ff; font: .75rem var(--mono); }
.deliverable-list h3 { margin-top: 65px; font-size: 1.2rem; }
.deliverable-list p { color: #cbd9fa; font-size: .84rem; }

.process-list { grid-column: 2; margin: 30px 0 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.process-list li { display: grid; grid-template-columns: 100px 1fr; gap: 30px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.process-list li > span { color: var(--orange); font: 600 1.3rem var(--mono); }
.process-list h3 { margin-bottom: 8px; font-size: 1.35rem; }
.process-list p { max-width: 680px; margin: 0; color: var(--muted); }

.requirements { background: rgba(255,255,255,.4); }
.requirements-grid { grid-column: 2; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 30px; }
.requirements-grid article { position: relative; min-height: 220px; padding: 24px; border: 1px solid var(--line); background: var(--paper); }
.requirements-grid article > span { display: inline-block; padding: 4px 7px; color: white; background: var(--orange); font: 600 .65rem var(--mono); }
.requirements-grid h3 { margin: 45px 0 12px; }
.requirements-grid p { margin: 0; color: var(--muted); font-size: .85rem; }
.requirements-note { grid-column: 2; margin: 8px 0 0; padding: 16px; border-left: 4px solid var(--blue); background: white; font-size: .85rem; }

.use-grid { grid-column: 2; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-top: 30px; background: var(--line); border: 1px solid var(--line); }
.use-grid article { min-height: 240px; padding: 32px; background: var(--paper); }
.use-icon { display: grid; width: 46px; height: 46px; border: 1px solid var(--blue); color: var(--blue); font: 600 .73rem var(--mono); place-items: center; transform: rotate(45deg); }
.use-icon + h3 { margin-top: 48px; }
.use-grid h3 { font-size: 1.3rem; }
.use-grid p { max-width: 520px; color: var(--muted); }

.brief { background-color: #e9eef7; }
.brief-builder { grid-column: 2; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 30px; }
.brief-builder fieldset { margin: 0; padding: 0; border: 1px solid var(--line); background: rgba(255,255,255,.75); }
.brief-builder legend { display: flex; width: 100%; gap: 12px; padding: 18px; border-bottom: 1px solid var(--line); background: white; font-size: .85rem; }
.brief-builder legend span { color: var(--orange); font-family: var(--mono); }
.brief-builder label { display: flex; align-items: center; gap: 10px; padding: 13px 18px; border-bottom: 1px solid var(--line-soft); font-size: .82rem; cursor: pointer; }
.brief-builder input { accent-color: var(--blue); }
.brief-result { grid-column: 2; margin-top: 4px; padding: 28px; border: 2px solid var(--blue); background: white; }
.brief-result > div { display: flex; justify-content: space-between; align-items: center; color: var(--blue); font: 600 .7rem var(--mono); }
.brief-result button { border: 0; border-bottom: 1px solid var(--orange); color: var(--ink); background: transparent; font: 600 .7rem var(--mono); cursor: pointer; }
.brief-result p { min-height: 52px; margin: 28px 0; font-size: 1rem; }

.standards { color: white; background: var(--ink); }
.standards .section-code { color: #85a9ff; }
.checklist { grid-column: 2; display: grid; grid-template-columns: repeat(2, 1fr); margin-top: 30px; border-top: 1px solid #344054; border-left: 1px solid #344054; }
.checklist div { display: flex; gap: 18px; padding: 24px; border-right: 1px solid #344054; border-bottom: 1px solid #344054; }
.checklist span { color: var(--orange); font-family: var(--mono); }
.checklist p { margin: 0; color: #d0d5dd; font-size: .88rem; }

.registry-grid { grid-column: 2; display: grid; grid-template-columns: repeat(2, 1fr); margin: 30px 0 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.registry-grid div { min-height: 120px; padding: 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.4); }
.registry-grid .wide { grid-column: 1 / -1; }
.registry-grid dt { margin-bottom: 18px; color: var(--blue); font: 600 .66rem var(--mono); text-transform: uppercase; }
.registry-grid dd { margin: 0; font-size: .9rem; }

.activities { background: rgba(255,255,255,.4); }
.activity-table { grid-column: 2; margin-top: 30px; border-top: 2px solid var(--ink); }
.activity-table div { display: grid; grid-template-columns: 160px 1fr; padding: 22px 0; border-bottom: 1px solid var(--line); }
.activity-table b { color: var(--orange); font: 600 1rem var(--mono); }
.activity-table span { font-weight: 600; }

.accordion { grid-column: 2; margin-top: 30px; border-top: 1px solid var(--line); }
.accordion details { border-bottom: 1px solid var(--line); }
.accordion summary { position: relative; padding: 26px 60px 26px 0; font-weight: 700; cursor: pointer; list-style: none; }
.accordion summary::after { position: absolute; top: 22px; right: 10px; color: var(--blue); content: "+"; font: 1.5rem var(--mono); }
.accordion details[open] summary::after { content: "−"; }
.accordion details p { max-width: 850px; padding: 0 60px 26px 0; color: var(--muted); }

.contact { grid-template-columns: 150px minmax(0, 1fr) minmax(360px, .8fr); color: white; background-color: var(--blue); background-image: linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px), linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px); background-size:32px 32px; }
.contact .section-code { color: #b8ccff; }
.contact-lead h2 { margin-bottom: 26px; }
.contact-lead > p:not(.eyebrow) { max-width: 650px; color: #d9e4ff; }
.email-large { display: inline-block; margin: 20px 0 40px; font: 600 clamp(1.25rem, 2.4vw, 2rem) var(--mono); text-decoration-color: var(--orange); text-underline-offset: 8px; }
.contact address { max-width: 610px; color: #c7d7ff; font-size: .85rem; font-style: normal; }
.contact-form { padding: 28px; color: var(--ink); background: white; }
.contact-form > label:not(.consent) { display: block; margin-bottom: 18px; }
.contact-form label > span:first-child { display: block; margin-bottom: 7px; font: 600 .7rem var(--mono); text-transform: uppercase; }
.contact-form input[type="text"], .contact-form input[type="email"], .contact-form select, .contact-form textarea { width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 0; outline: none; background: var(--paper); }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 2px rgba(17,79,209,.14); }
.consent { display: grid; grid-template-columns: 18px 1fr; gap: 9px; margin: 5px 0 20px; }
.consent span { font-family: var(--sans) !important; font-size: .72rem !important; font-weight: 400 !important; text-transform: none !important; }
.consent input { accent-color: var(--blue); }
.contact-form .btn { width: 100%; }
.form-note { margin: 12px 0 0; color: var(--muted); font-size: .67rem; }
.form-confirmation { margin-top: 14px; padding: 12px; border-left: 3px solid var(--orange); background: #fff2ea; font-size: .75rem; }

footer { display: grid; grid-template-columns: 1fr auto; gap: 30px; padding: 50px max(24px, calc((100vw - var(--max)) / 2)); border-top: 3px solid var(--orange); color: white; background: var(--ink); }
.footer-brand { display: flex; flex-direction: column; gap: 8px; }
.footer-brand b { font-size: .85rem; }
.footer-brand span, footer p { color: #98a2b3; font: .68rem var(--mono); }
footer > div:nth-child(2) { display: flex; gap: 26px; font: 600 .78rem var(--mono); }
footer p { grid-column: 1/-1; margin: 25px 0 0; }

@media (max-width: 1080px) {
  .site-header { grid-template-columns: 1fr auto auto; }
  .site-nav { position: fixed; top: 82px; right: 0; bottom: 0; left: 0; display: none; flex-direction: column; align-items: flex-start; gap: 0; padding: 30px 24px; background: var(--paper); }
  .site-nav.open { display: flex; }
  .site-nav a { width: 100%; padding: 20px 0; border-bottom: 1px solid var(--line); font-size: 1.2rem; }
  .menu-toggle { display: flex; align-items: center; gap: 5px; padding: 10px; border: 0; background: transparent; cursor: pointer; }
  .menu-toggle span { width: 4px; height: 4px; background: var(--blue); }
  .menu-toggle b { margin-left: 6px; font: 600 .7rem var(--mono); }
  .hero { grid-template-columns: 110px 1fr; }
  .hero-schematic { grid-column: 2; min-height: 440px; }
  .intro, .contact { grid-template-columns: 110px 1fr; }
  .intro-copy, .contact-form { grid-column: 2; }
  .section-grid { grid-template-columns: 110px 1fr; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .deliverable-list, .requirements-grid { grid-template-columns: repeat(2, 1fr); }
  .brief-builder { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  html { scroll-padding-top: 68px; }
  .site-header { grid-template-columns: 1fr auto auto; min-height: 68px; gap: 8px; padding: 0 14px; }
  .brand b { max-width: 165px; overflow: hidden; font-size: .66rem; text-overflow: ellipsis; white-space: nowrap; }
  .brand small { font-size: .56rem; }
  .brand-mark { width: 28px; height: 28px; }
  .brand-mark::before { top: 12px; width: 38px; }
  .brand-mark::after { left: 12px; height: 38px; }
  .menu-toggle b { display: none; }
  .lang-switch { padding: 7px; }
  .site-nav { top: 68px; }
  .section-grid, .hero, .intro, .contact { grid-template-columns: 1fr; gap: 24px; padding: 76px 16px; border: 0; }
  .section-code { padding: 0 0 12px; border-bottom: 1px solid var(--line); }
  .hero { min-height: 0; padding-top: 58px; }
  .hero-copy h1 { font-size: clamp(2.65rem, 13vw, 4rem); }
  .hero-lead { font-size: .96rem; }
  .hero-actions { flex-direction: column; }
  .hero-facts { grid-template-columns: 1fr; }
  .hero-facts li { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .hero-schematic, .intro-copy, .contact-form { grid-column: 1; }
  .hero-schematic { min-height: 390px; }
  .node { width: 78px; height: 78px; }
  .node-a::after { width: 105px; }
  .node-b::after { width: 105px; }
  .node-c::after { width: 130px; }
  h2 { font-size: 2.45rem; }
  .service-grid, .deliverable-list, .requirements-grid, .use-grid, .checklist, .registry-grid { grid-column: 1; grid-template-columns: 1fr; }
  .registry-grid .wide { grid-column: 1; }
  .service-card { min-height: 310px; }
  .deliverable-list > div { min-height: 190px; }
  .deliverable-list h3 { margin-top: 40px; }
  .process-list, .activity-table, .accordion, .brief-builder, .brief-result, .requirements-note { grid-column: 1; }
  .process-list li { grid-template-columns: 55px 1fr; gap: 16px; }
  .activity-table div { grid-template-columns: 75px 1fr; gap: 10px; }
  .contact-form { padding: 20px; }
  footer { grid-template-columns: 1fr; padding: 40px 18px; }
  footer > div:nth-child(2) { flex-direction: column; gap: 12px; }
  footer p { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}