:root {
  --ink: #11110e;
  --paper: #f2f0e7;
  --paper-2: #e7e4d9;
  --orange: #ff5a1f;
  --acid: #d9ff68;
  --line: rgba(17, 17, 14, .22);
  --muted: #65645d;
  --max: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Arial, Helvetica, sans-serif; font-size: 16px; line-height: 1.45; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--orange); color: var(--ink); }

.skip-link { position: fixed; z-index: 100; top: .75rem; left: .75rem; padding: .7rem 1rem; background: var(--acid); transform: translateY(-160%); transition: transform .15s; }
.skip-link:focus { transform: none; }
.wrap { width: min(100% - 48px, var(--max)); margin-inline: auto; }

.site-header { min-height: 78px; padding: 0 24px; border-bottom: 1px solid var(--ink); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; position: relative; z-index: 10; }
.brand { display: inline-flex; align-items: center; gap: .65rem; font-weight: 800; letter-spacing: -.04em; font-size: 1.25rem; width: max-content; }
.brand-mark { width: 18px; height: 18px; background: var(--orange); display: inline-block; }
.nav { display: flex; gap: .25rem; }
.nav a, .header-contact { font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.nav a { padding: .7rem .9rem; border: 1px solid transparent; }
.nav a:hover, .nav a:focus-visible, .nav a[aria-current="page"] { border-color: var(--ink); outline: none; }
.language-switch { display: inline-flex; align-items: center; margin-left: .75rem; padding-left: .75rem; border-left: 1px solid var(--line); }
.language-switch a { padding-inline: .45rem; }
.language-switch a[aria-current="true"] { color: var(--orange); border-color: transparent; }
.header-contact { justify-self: end; border-bottom: 1px solid var(--ink); padding-bottom: .2rem; }
.header-contact:hover, .header-contact:focus-visible { color: var(--orange); outline: none; border-color: var(--orange); }

.hero { min-height: 720px; display: grid; grid-template-columns: 1.12fr .88fr; gap: clamp(3rem, 7vw, 8rem); align-items: center; padding-block: clamp(5rem, 10vw, 9rem); }
.eyebrow { margin: 0 0 2rem; display: flex; align-items: center; gap: .75rem; font: 700 .73rem/1.2 "Courier New", monospace; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow span { color: var(--orange); }
.hero h1, .page-hero h1 { margin: 0; font-size: clamp(4.25rem, 9vw, 9.4rem); line-height: .82; letter-spacing: -.085em; text-transform: uppercase; font-weight: 900; }
h1 em, h2 em, blockquote em { color: var(--orange); font-style: normal; }
.hero-lead { max-width: 560px; margin: 2.5rem 0 0; font-size: clamp(1.15rem, 1.8vw, 1.5rem); line-height: 1.45; }
.hero-actions { margin-top: 2.5rem; display: flex; align-items: center; gap: 2rem; }
.button { display: inline-flex; gap: 2.5rem; justify-content: space-between; align-items: center; padding: 1rem 1.15rem; border: 1px solid var(--ink); font-size: .82rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; transition: background .15s, color .15s; }
.button-primary { background: var(--ink); color: var(--paper); }
.button-primary:hover, .button-primary:focus-visible { background: var(--orange); color: var(--ink); outline: none; }
.text-link { display: inline-flex; gap: 1rem; border-bottom: 1px solid; padding-bottom: .25rem; font-weight: 700; }
.text-link:hover, .text-link:focus-visible { color: var(--orange); outline: none; }

.system-map { align-self: stretch; min-height: 540px; background: var(--orange); padding: 1rem; display: flex; flex-direction: column; justify-content: space-between; box-shadow: 20px 20px 0 var(--ink); }
.map-topline, .map-footer { display: flex; justify-content: space-between; font: 700 .68rem/1.2 "Courier New", monospace; letter-spacing: .08em; }
.status-dot::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--acid); display: inline-block; margin-right: .5rem; box-shadow: 0 0 0 2px var(--ink); }
.map-stage { padding: 1rem; border: 1px solid var(--ink); display: grid; gap: .25rem; background: rgba(242, 240, 231, .22); }
.map-stage small { font: 700 .65rem/1.2 "Courier New", monospace; }
.map-stage strong { margin-top: .5rem; font-size: clamp(1.5rem, 3vw, 2.8rem); line-height: .95; letter-spacing: -.05em; }
.map-stage span { font-size: .75rem; }
.dark-stage { background: var(--ink); color: var(--paper); }
.map-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.map-rail { height: 64px; border-inline: 1px solid var(--ink); margin-inline: 12%; display: flex; justify-content: space-around; align-items: end; }
.map-rail i { width: 1px; height: 32px; background: var(--ink); position: relative; }
.map-rail i::after { content: ""; position: absolute; bottom: -3px; left: -3px; width: 7px; height: 7px; background: var(--ink); }

.signal-strip { background: var(--acid); border-block: 1px solid var(--ink); overflow: hidden; }
.marquee-line { min-height: 52px; padding-inline: 24px; display: flex; align-items: center; justify-content: space-around; gap: 2rem; white-space: nowrap; font: 800 .72rem/1.2 "Courier New", monospace; letter-spacing: .08em; }
.marquee-line b { color: var(--orange); font-size: 1.5rem; }

.section { padding-block: clamp(6rem, 11vw, 10rem); }
.section-heading { display: grid; grid-template-columns: .35fr 1.65fr; gap: 2rem; margin-bottom: clamp(4rem, 8vw, 7rem); }
.section-heading h2, .fit-grid h2, .cta-inner h2, .contact-panel h2 { margin: 0; font-size: clamp(2.9rem, 6vw, 6.8rem); line-height: .94; letter-spacing: -.065em; text-transform: uppercase; }
.service-list { border-top: 1px solid var(--ink); }
.service-row { min-height: 135px; padding: 1.5rem 0; border-bottom: 1px solid var(--ink); display: grid; grid-template-columns: .35fr 1.5fr auto; gap: 2rem; align-items: center; transition: padding .18s, background .18s; }
.service-row:hover, .service-row:focus-visible { padding-inline: 1.25rem; background: var(--orange); outline: none; }
.service-no { font: 700 .78rem/1 "Courier New", monospace; }
.service-row strong { display: block; font-size: clamp(1.4rem, 2.5vw, 2.5rem); letter-spacing: -.04em; }
.service-row small { display: block; margin-top: .35rem; color: var(--muted); font-size: .92rem; }
.service-row:hover small { color: var(--ink); }
.row-arrow { font-size: 2rem; }

.section-dark { background: var(--ink); color: var(--paper); }
.statement { padding-block: clamp(5rem, 9vw, 9rem); }
.statement-grid { display: grid; grid-template-columns: .28fr 1.25fr .35fr; gap: 3rem; align-items: end; }
.eyebrow.light span { color: var(--acid); }
.statement blockquote { margin: 0; font-size: clamp(3rem, 6.5vw, 7rem); line-height: .93; letter-spacing: -.07em; font-weight: 900; text-transform: uppercase; }
.statement-note { border-top: 1px solid rgba(242,240,231,.5); padding-top: 1rem; }
.statement-note p { font-size: .9rem; color: #b7b5ad; }
.coordinate { font: 700 .68rem/1.5 "Courier New", monospace; color: var(--acid); }

.compact-heading { margin-bottom: 4rem; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--ink); }
.steps li { min-height: 260px; padding: 1.2rem; border-right: 1px solid var(--ink); display: flex; flex-direction: column; }
.steps li:last-child { border-right: 0; }
.steps li > span { color: var(--orange); font: 700 .75rem/1 "Courier New", monospace; }
.steps strong { margin-top: auto; font-size: 1.35rem; }
.steps p { color: var(--muted); font-size: .9rem; }
.large-link { margin-top: 2.5rem; font-size: 1.1rem; }

.cta-block { background: var(--orange); border-top: 1px solid var(--ink); }
.cta-inner { min-height: 520px; padding-block: 5rem; display: flex; flex-direction: column; justify-content: space-between; }
.cta-mail { display: flex; justify-content: space-between; gap: 2rem; border-bottom: 3px solid var(--ink); padding-bottom: .6rem; font-size: clamp(1.6rem, 4vw, 4rem); font-weight: 800; letter-spacing: -.04em; }
.cta-mail:hover, .cta-mail:focus-visible { background: var(--acid); outline: none; }

.site-footer { min-height: 180px; padding-block: 2.5rem; display: grid; grid-template-columns: 1.2fr 1fr 1fr auto; align-items: end; gap: 2rem; }
.site-footer p, .site-footer nav { margin: 0; font-size: .75rem; color: var(--muted); }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 1rem; }
.site-footer nav a:hover, .site-footer nav a:focus-visible { color: var(--orange); outline: none; }

.page-hero { min-height: 650px; padding-block: clamp(5rem, 9vw, 8rem); }
.page-hero-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 5rem; align-items: end; }
.page-hero-grid h1 { font-size: clamp(4rem, 9vw, 9rem); }
.page-hero-grid > p { max-width: 440px; margin: 0 0 .6rem; font-size: 1.25rem; }

.catalog { border-top: 1px solid var(--ink); }
.catalog-item { scroll-margin-top: 20px; min-height: 430px; padding-block: 2.5rem; border-bottom: 1px solid var(--ink); display: grid; grid-template-columns: .25fr .9fr .45fr; gap: 3rem; }
.catalog-index { display: flex; flex-direction: column; justify-content: space-between; font-family: "Courier New", monospace; }
.catalog-index span { color: var(--orange); font-weight: 700; }
.catalog-index small { font-size: .65rem; letter-spacing: .12em; }
.catalog-copy { display: flex; flex-direction: column; justify-content: space-between; }
.catalog-copy h2 { margin: 0; font-size: clamp(2.7rem, 5.2vw, 6rem); line-height: .9; letter-spacing: -.06em; text-transform: uppercase; }
.catalog-copy p { max-width: 610px; margin: 2rem 0 0; font-size: 1.12rem; }
.tag-list { align-self: end; list-style: none; padding: 0; margin: 0; }
.tag-list li { padding: .65rem 0; border-top: 1px solid var(--line); font: 700 .7rem/1.2 "Courier New", monospace; text-transform: uppercase; letter-spacing: .06em; }
.fit-section { padding-block: clamp(6rem, 10vw, 10rem); }
.fit-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 6rem; }
.fit-grid h2 { margin-top: 3rem; font-size: clamp(3rem, 5vw, 5.4rem); }
.check-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid #66655f; }
.check-list li { padding: 1.4rem 0 1.4rem 2rem; border-bottom: 1px solid #66655f; position: relative; }
.check-list li::before { content: "+"; position: absolute; left: 0; color: var(--acid); font-weight: 900; }

.method { padding-block: clamp(6rem, 10vw, 9rem); }
.method-list { list-style: none; margin: 5rem 0 0; padding: 0; border-top: 1px solid #5f5e58; }
.method-list li { min-height: 180px; padding-block: 1.5rem; border-bottom: 1px solid #5f5e58; display: grid; grid-template-columns: .25fr 1fr auto; gap: 2rem; align-items: center; }
.method-no { color: var(--acid); font: 700 .8rem/1 "Courier New", monospace; }
.method-list h2 { margin: 0; font-size: clamp(2.2rem, 4vw, 4.6rem); letter-spacing: -.055em; text-transform: uppercase; }
.method-list p { margin: .6rem 0 0; color: #b7b5ad; max-width: 680px; }
.method-list small { font: 700 .65rem/1 "Courier New", monospace; letter-spacing: .1em; }
.evidence-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--ink); }
.evidence-grid article { min-height: 270px; padding: 1.25rem; border-right: 1px solid var(--ink); display: flex; flex-direction: column; }
.evidence-grid article:last-child { border-right: 0; }
.evidence-grid span { color: var(--orange); font: 700 .75rem/1 "Courier New", monospace; }
.evidence-grid h3 { margin: auto 0 .5rem; font-size: 1.5rem; }
.evidence-grid p { margin: 0; color: var(--muted); font-size: .9rem; }
.boundary { margin-bottom: clamp(6rem, 10vw, 10rem); display: grid; grid-template-columns: .6fr 1.4fr; border: 1px solid var(--ink); }
.boundary-label { min-height: 320px; background: var(--acid); padding: 1rem; font: 700 .7rem/1.2 "Courier New", monospace; letter-spacing: .1em; writing-mode: vertical-rl; }
.boundary > div:last-child { padding: clamp(2rem, 5vw, 5rem); }
.boundary h2 { margin: 0; font-size: clamp(3rem, 6vw, 6.5rem); line-height: .9; letter-spacing: -.06em; text-transform: uppercase; }
.boundary p { max-width: 700px; margin: 2rem 0 0; font-size: 1.12rem; }

.manifesto { padding-block: clamp(6rem, 11vw, 11rem); }
.manifesto-grid { display: grid; grid-template-columns: .35fr 1.65fr; gap: 3rem; }
.manifesto-copy p { max-width: 1050px; margin: 0 0 3rem; font-size: clamp(2rem, 4.3vw, 5rem); line-height: 1.05; letter-spacing: -.05em; }
.manifesto-copy p:last-child { color: #aaa89f; }
.value-list { border-top: 1px solid var(--ink); }
.value-list article { min-height: 145px; padding-block: 1.5rem; border-bottom: 1px solid var(--ink); display: grid; grid-template-columns: .35fr 1.65fr; gap: 2rem; align-items: center; }
.value-list article > span { color: var(--orange); font: 700 .75rem/1 "Courier New", monospace; }
.value-list h3 { margin: 0; font-size: clamp(1.5rem, 3vw, 3rem); letter-spacing: -.04em; }
.value-list p { margin: .35rem 0 0; color: var(--muted); }
.contact-panel { margin-block: 0 clamp(6rem, 10vw, 10rem); padding: clamp(2rem, 5vw, 5rem); border: 1px solid var(--ink); display: grid; grid-template-columns: 1.1fr .9fr; gap: 5rem; background: var(--orange); }
.contact-details { display: flex; flex-direction: column; justify-content: space-between; gap: 4rem; }
.contact-details p { max-width: 520px; font-size: 1.1rem; }
.contact-details .cta-mail { font-size: clamp(1.3rem, 2.2vw, 2.4rem); }

.error-page { min-height: 100vh; background: var(--orange); display: flex; flex-direction: column; }
.error-header { width: 100%; }
.error-status { justify-self: end; font: 700 .72rem/1 "Courier New", monospace; letter-spacing: .1em; }
.error-main { flex: 1; display: grid; grid-template-columns: .7fr 1.05fr .55fr; gap: 4rem; align-items: center; padding-block: 4rem; }
.error-code { font-size: clamp(7rem, 16vw, 16rem); font-weight: 900; line-height: .8; letter-spacing: -.1em; writing-mode: vertical-rl; transform: rotate(180deg); color: var(--ink); }
.error-copy h1 { margin: 0; font-size: clamp(3.4rem, 6.5vw, 7rem); line-height: .9; letter-spacing: -.065em; text-transform: uppercase; }
.error-copy > p:not(.eyebrow) { max-width: 480px; margin: 2rem 0; font-size: 1.1rem; }
.error-copy .button-primary { background: var(--ink); }
.error-copy .button-primary:hover { background: var(--acid); }
.error-language { display: flex; width: max-content; margin-top: 1.5rem; font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; }
.error-diagram { min-height: 360px; border: 1px solid var(--ink); padding: 1rem; display: flex; flex-direction: column; align-items: center; justify-content: space-around; }
.error-diagram span { width: 1px; flex: 1; background: var(--ink); }
.error-diagram b { width: 64px; height: 64px; margin-block: 1rem; border: 1px solid var(--ink); display: grid; place-items: center; font-size: 2rem; background: var(--acid); }
.error-footer { min-height: 76px; border-top: 1px solid var(--ink); display: flex; align-items: center; justify-content: space-between; font: 700 .68rem/1 "Courier New", monospace; letter-spacing: .08em; }

@media (max-width: 960px) {
  .site-header { grid-template-columns: 1fr auto; }
  .nav { order: 3; grid-column: 1 / -1; border-top: 1px solid var(--line); padding-block: .5rem; justify-content: space-between; }
  .language-switch { margin-left: auto; }
  .header-contact { grid-column: 2; grid-row: 1; }
  .hero { grid-template-columns: 1fr; }
  .system-map { min-height: 480px; max-width: 680px; }
  .section-heading, .manifesto-grid { grid-template-columns: 1fr; }
  .statement-grid { grid-template-columns: 1fr; }
  .statement-note { max-width: 320px; }
  .steps, .evidence-grid { grid-template-columns: repeat(2, 1fr); }
  .steps li:nth-child(2), .evidence-grid article:nth-child(2) { border-right: 0; }
  .steps li:nth-child(-n+2), .evidence-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--ink); }
  .page-hero-grid, .fit-grid, .contact-panel { grid-template-columns: 1fr; }
  .page-hero-grid > p { margin-top: 2rem; }
  .catalog-item { grid-template-columns: .18fr 1fr; }
  .catalog-item .tag-list { grid-column: 2; }
  .method-list li { grid-template-columns: .18fr 1fr; }
  .method-list small { display: none; }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .error-main { grid-template-columns: .35fr 1fr; }
  .error-diagram { display: none; }
}

@media (max-width: 620px) {
  .wrap { width: min(100% - 28px, var(--max)); }
  .site-header { padding: 0 14px; min-height: 68px; }
  .header-contact { font-size: 0; }
  .header-contact span { font-size: 1rem; }
  .nav a { padding: .6rem .45rem; font-size: .68rem; }
  .language-switch { margin-left: 0; padding-left: .35rem; }
  .hero { min-height: auto; padding-block: 4rem 5rem; }
  .hero h1, .page-hero-grid h1 { font-size: clamp(3.25rem, 18vw, 5rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 1.25rem; }
  .system-map { min-height: 420px; box-shadow: 10px 10px 0 var(--ink); }
  .map-grid { grid-template-columns: 1fr; }
  .map-grid .map-stage { min-height: 105px; }
  .map-rail { height: 35px; }
  .map-rail i { height: 18px; }
  .marquee-line { justify-content: flex-start; overflow: hidden; }
  .section-heading h2, .fit-grid h2, .cta-inner h2, .contact-panel h2 { font-size: 2.7rem; }
  .service-row { grid-template-columns: .15fr 1fr auto; gap: 1rem; }
  .service-row small { display: none; }
  .statement blockquote { font-size: 2.8rem; }
  .steps, .evidence-grid { grid-template-columns: 1fr; }
  .steps li, .evidence-grid article { min-height: 210px; border-right: 0; border-bottom: 1px solid var(--ink); }
  .steps li:last-child, .evidence-grid article:last-child { border-bottom: 0; }
  .page-hero { min-height: auto; }
  .catalog-item { min-height: auto; grid-template-columns: 1fr; gap: 2rem; }
  .catalog-index { flex-direction: row; }
  .catalog-item .tag-list { grid-column: 1; }
  .fit-grid { gap: 4rem; }
  .method-list li { grid-template-columns: 1fr; min-height: 220px; }
  .boundary { grid-template-columns: 42px 1fr; }
  .boundary h2 { font-size: 2.6rem; }
  .manifesto-copy p { font-size: 2rem; }
  .value-list article { grid-template-columns: .18fr 1fr; }
  .contact-panel { gap: 3rem; }
  .cta-inner { min-height: 410px; }
  .site-footer { grid-template-columns: 1fr; min-height: 250px; }
  .error-main { grid-template-columns: 1fr; }
  .error-code { writing-mode: horizontal-tb; transform: none; font-size: 7rem; }
  .error-copy h1 { font-size: 3.2rem; }
  .error-footer { font-size: .58rem; }
}

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