:root {
  --ink: #131619;
  --ink-soft: #1b2024;
  --paper: #f2efe7;
  --paper-bright: #faf8f2;
  --text: #25282a;
  --muted: #737773;
  --blue: #428df2;
  --orange: #d96b32;
  --line-dark: rgba(255, 255, 255, 0.17);
  --line-light: rgba(19, 22, 25, 0.2);
  --max: 1440px;
  --gutter: clamp(1.25rem, 4vw, 4.5rem);
  --section-y: clamp(5rem, 9vw, 9rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  overflow-wrap: break-word;
}

a { color: inherit; text-underline-offset: 0.22em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }
.skip-link { position: fixed; top: 0.75rem; left: 0.75rem; z-index: 20; padding: 0.6rem 0.8rem; background: var(--paper-bright); color: var(--ink); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header {
  display: grid;
  grid-template-columns: minmax(11rem, 0.85fr) minmax(0, 2.15fr);
  gap: 2rem;
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.1rem var(--gutter);
  border-bottom: 1px solid var(--line-dark);
}
.site-header--dark { background: var(--ink); color: var(--paper-bright); }
.wordmark { font-size: 0.92rem; font-weight: 800; letter-spacing: 0.16em; text-decoration: none; }
.main-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.45rem 1.3rem; font-size: 0.72rem; line-height: 1.35; text-transform: uppercase; letter-spacing: 0.08em; }
.main-nav a { padding: 0.35rem 0; color: #d9d7d0; text-decoration: none; border-bottom: 1px solid transparent; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: #fff; border-color: var(--blue); }

.dark-field { background: var(--ink); color: var(--paper-bright); }
.light-field { background: var(--paper); color: var(--text); }
.eyebrow { margin: 0 0 1.2rem; color: var(--muted); font-size: 0.7rem; font-weight: 700; line-height: 1.4; letter-spacing: 0.14em; text-transform: uppercase; }
.dark-field .eyebrow { color: #acb1b2; }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.42fr) minmax(22rem, 0.75fr);
  gap: clamp(3rem, 7vw, 8rem);
  min-height: 720px;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(5rem, 9vw, 9rem) var(--gutter) clamp(4rem, 7vw, 7rem);
  overflow: hidden;
}
.hero-lines { position: absolute; inset: 1.6rem var(--gutter) auto; height: 1px; background: var(--line-dark); }
.hero-lines::before, .hero-lines::after { content: ""; position: absolute; top: -0.35rem; width: 1px; height: 0.7rem; background: var(--blue); }
.hero-lines::before { left: 12%; } .hero-lines::after { left: 64%; }
.hero-copy { align-self: end; }
.hero h1 { max-width: 14ch; margin: 0; font-size: clamp(3.25rem, 6.5vw, 7rem); font-weight: 700; line-height: 0.93; letter-spacing: -0.055em; }
.hero-intro { max-width: 43rem; margin: 2.2rem 0 0; padding-left: clamp(1.5rem, 4vw, 4rem); border-left: 1px solid var(--blue); color: #c9cbca; font-size: clamp(1.05rem, 1.5vw, 1.25rem); }
.hero-figure { align-self: center; margin-top: 4rem; }
.frame-plan { position: relative; aspect-ratio: 16 / 10; background: #20262b; border: 1px solid #596169; overflow: hidden; }
.frame-plan::after { content: ""; position: absolute; inset: 12%; border: 1px solid var(--orange); pointer-events: none; }
.axis { position: absolute; z-index: 1; background: var(--blue); }
.axis--h { top: 50%; left: 8%; right: 8%; height: 1px; }
.axis--v { top: 8%; bottom: 8%; left: 50%; width: 1px; }
.safe-frame { position: absolute; z-index: 2; inset: 22% 18%; border: 1px dashed rgba(255,255,255,.45); }
.coordinate { position: absolute; z-index: 3; padding: 0.15rem 0.35rem; background: var(--ink); color: #d6d8d7; font-size: 0.62rem; letter-spacing: .12em; }
.coordinate--a { top: 5%; left: 4%; } .coordinate--b { right: 4%; bottom: 5%; } .coordinate--c { left: 52%; top: 50%; }
.hero-meta { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; border-bottom: 1px solid var(--line-dark); }
.hero-meta div { padding: 0.9rem 0.7rem 0.8rem 0; }
.hero-meta div + div { padding-left: 0.7rem; border-left: 1px solid var(--line-dark); }
.hero-meta dt { color: #858b8c; font-size: .58rem; letter-spacing: .12em; text-transform: uppercase; }
.hero-meta dd { margin: .25rem 0 0; font-size: .72rem; line-height: 1.35; }

.section { position: relative; display: grid; grid-template-columns: minmax(3rem, .35fr) minmax(16rem, 1fr) minmax(0, 1.65fr); gap: clamp(1.5rem, 4vw, 4rem); max-width: var(--max); margin: 0 auto; padding: var(--section-y) var(--gutter); }
.section-index { color: var(--blue); font-size: clamp(3.5rem, 7vw, 7rem); font-weight: 700; line-height: .8; letter-spacing: -.07em; }
.section-heading h2, .contact-section h2, .about-purpose h2 { margin: 0; font-size: clamp(2.25rem, 4.6vw, 5rem); font-weight: 700; line-height: .98; letter-spacing: -.045em; }
.section h3 { margin: 0 0 .9rem; font-size: 1.15rem; line-height: 1.25; }
.section p { margin-top: 0; }
.reading-column { max-width: 43rem; font-size: 1.08rem; }
.reading-column p:first-child::first-letter { float: left; margin: .08em .12em 0 0; color: var(--orange); font-size: 4.4rem; font-weight: 700; line-height: .75; }
.reading-column--wide { max-width: 52rem; }
.margin-note { align-self: end; grid-column: 2; max-width: 16rem; margin-top: -1rem; padding-top: 1rem; border-top: 2px solid var(--orange); font-size: .78rem; line-height: 1.5; }
.note-label { margin-bottom: .5rem !important; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.camera-section { border-top: 1px solid var(--line-dark); }
.split-copy { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); }
.technical-list { grid-column: 3; margin-top: 2rem; border-top: 1px solid var(--line-dark); }
.technical-list h3 { padding-top: 1.4rem; color: #adb3b4; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }
.technical-list ul { margin: 0; padding: 0; list-style: none; }
.technical-list li { display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line-dark); }
.technical-list li span { color: var(--blue); font-size: .72rem; font-weight: 700; }
.signal-section { grid-template-rows: auto auto; }
.offset-panel { position: relative; grid-column: 3; padding: 2rem 0 3rem 4rem; border-left: 1px solid var(--line-light); }
.offset-panel--right { grid-column: 2 / 4; max-width: 52rem; margin: 0 0 0 auto; padding-top: 3rem; border-top: 1px solid var(--line-light); }
.side-code { position: absolute; top: 2rem; left: 0; margin: 0; transform: translateX(-48%) rotate(-90deg); transform-origin: center; color: var(--blue); font-size: .58rem; font-weight: 700; letter-spacing: .14em; }
.side-code--orange { color: var(--orange); }
.order-section { border-top: 1px solid var(--line-dark); }
.order-section .reading-column { grid-column: 3; }
.margin-note--dark { grid-column: 2; color: #b9bdbe; }
.split-copy--rule > div + div { padding-left: clamp(1.5rem, 4vw, 4rem); border-left: 1px solid var(--line-light); }
.out-of-frame { grid-column: 3; margin-top: 2rem; padding-top: 1.6rem; border-top: 1px solid var(--line-light); }
.plain-list { margin: 0; padding: 0; list-style: none; }
.plain-list li { position: relative; padding: .65rem 0 .65rem 1.6rem; border-bottom: 1px solid var(--line-light); }
.plain-list li::before { content: "+"; position: absolute; left: 0; color: var(--orange); font-weight: 700; }
.checklist-section { border-top: 1px solid var(--line-dark); }
.checklist { grid-column: 2 / 4; margin: 1rem 0 0; padding: 0; list-style: none; counter-reset: checks; }
.checklist li { display: grid; grid-template-columns: 4rem minmax(0, 1fr); gap: 1.25rem; align-items: baseline; padding: 1.25rem 0; border-top: 1px solid var(--line-dark); }
.checklist li:last-child { border-bottom: 1px solid var(--line-dark); }
.check-no { color: var(--orange); font-size: .72rem; font-weight: 700; }
.checklist strong { font-size: 1.1rem; }
.checklist p { margin: .25rem 0 0; color: #bfc2c2; }

.contact-section { max-width: var(--max); margin: 0 auto; padding: clamp(5rem, 10vw, 10rem) var(--gutter); }
.contact-section h2 { max-width: 14ch; }
.contact-section > p:not(.eyebrow) { max-width: 45rem; margin: 2rem 0; }
.email-link { display: inline-block; color: var(--ink); font-size: clamp(1.2rem, 3vw, 2.6rem); font-weight: 700; letter-spacing: -.03em; }

.site-footer { display: grid; grid-template-columns: 1.25fr .8fr 1.5fr; gap: 2rem; align-items: start; max-width: var(--max); margin: 0 auto; padding: 2.2rem var(--gutter); background: var(--ink); color: var(--paper-bright); border-top: 1px solid var(--line-dark); }
.footer-brand { font-size: clamp(1.7rem, 3vw, 3.5rem); font-weight: 800; line-height: .9; letter-spacing: -.04em; }
.footer-contact { padding-left: 1.2rem; border-left: 1px solid var(--blue); font-size: .75rem; }
.footer-contact span { display: block; margin-bottom: .35rem; color: #929798; font-size: .58rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-nav { display: flex; flex-wrap: wrap; gap: .45rem 1.1rem; justify-content: flex-end; font-size: .7rem; }

.legal-main { max-width: var(--max); margin: 0 auto; }
.dossier-hero, .legal-hero { padding: clamp(5rem, 10vw, 10rem) var(--gutter) clamp(4rem, 7vw, 7rem); }
.dossier-hero h1, .legal-hero h1 { max-width: 12ch; margin: 0; font-size: clamp(3.5rem, 8vw, 8rem); line-height: .9; letter-spacing: -.06em; }
.dossier-lead, .legal-hero > p:last-child { max-width: 42rem; margin: 2.5rem 0 0 auto; padding-left: 2rem; border-left: 1px solid var(--blue); color: #c8cbca; font-size: clamp(1.05rem, 1.8vw, 1.4rem); }
.dossier-grid { display: grid; grid-template-columns: .25fr 1fr 1fr; gap: clamp(2rem, 6vw, 6rem); padding: var(--section-y) var(--gutter); }
.dossier-column { max-width: 34rem; }
.dossier-column--second { margin-top: clamp(6rem, 11vw, 11rem); }
.dossier-column h2 { margin: 0 0 1.5rem; font-size: clamp(1.8rem, 3.2vw, 3.2rem); line-height: 1; letter-spacing: -.04em; }
.about-purpose { padding: var(--section-y) var(--gutter); }
.about-purpose .reading-column { margin: 3rem 0 0 auto; }
.legal-layout { display: grid; grid-template-columns: minmax(13rem, .6fr) minmax(0, 1.4fr); gap: clamp(3rem, 8vw, 9rem); padding: var(--section-y) var(--gutter); }
.legal-summary { align-self: start; position: sticky; top: 2rem; padding-top: 1.2rem; border-top: 3px solid var(--orange); }
.legal-article { max-width: 48rem; }
.legal-article section { padding: 0 0 2.5rem; margin: 0 0 2.5rem; border-bottom: 1px solid var(--line-light); }
.legal-article h2 { margin: 0 0 1rem; font-size: clamp(1.6rem, 2.8vw, 2.6rem); line-height: 1.05; letter-spacing: -.035em; }

@media (max-width: 960px) {
  .site-header { grid-template-columns: 1fr; gap: .8rem; }
  .main-nav { justify-content: flex-start; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-figure { width: min(100%, 38rem); margin: 0 0 0 auto; }
  .section { grid-template-columns: 4rem minmax(0, 1fr); }
  .section-heading, .reading-column, .split-copy, .technical-list, .offset-panel, .offset-panel--right, .order-section .reading-column, .out-of-frame { grid-column: 2; }
  .margin-note, .margin-note--dark { grid-column: 2; margin-top: 1.5rem; }
  .checklist { grid-column: 1 / 3; }
  .signal-section { grid-template-rows: auto; }
  .offset-panel--right { margin-left: 2rem; }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .footer-nav { grid-column: 1 / 3; justify-content: flex-start; padding-top: 1.2rem; border-top: 1px solid var(--line-dark); }
  .dossier-grid { grid-template-columns: 4rem 1fr; }
  .dossier-column { grid-column: 2; }
  .dossier-column--second { margin-top: 2rem; }
}

@media (max-width: 640px) {
  :root { --gutter: 1.15rem; --section-y: 4.5rem; }
  body { font-size: 15px; }
  .site-header { padding-top: 1rem; padding-bottom: 1rem; }
  .main-nav { gap: .35rem .85rem; font-size: .64rem; }
  .hero { gap: 3rem; padding-top: 5rem; }
  .hero h1 { font-size: clamp(3rem, 16vw, 4.8rem); }
  .hero-intro { padding-left: 1.2rem; }
  .hero-figure { margin: 0; }
  .hero-meta { grid-template-columns: 1fr; }
  .hero-meta div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--line-dark); }
  .section { grid-template-columns: 1fr; gap: 1.5rem; }
  .section-index, .section-heading, .reading-column, .split-copy, .technical-list, .offset-panel, .offset-panel--right, .order-section .reading-column, .out-of-frame, .margin-note, .margin-note--dark { grid-column: 1; }
  .section-index { font-size: 3.3rem; }
  .split-copy { grid-template-columns: 1fr; gap: 1.5rem; }
  .split-copy--rule > div + div { padding: 1.5rem 0 0; border-left: 0; border-top: 1px solid var(--line-light); }
  .offset-panel, .offset-panel--right { margin-left: .7rem; padding-left: 2rem; }
  .side-code { left: -.2rem; }
  .checklist { grid-column: 1; }
  .checklist li { grid-template-columns: 2.3rem 1fr; gap: .7rem; }
  .site-footer { grid-template-columns: 1fr; }
  .footer-contact { padding: 1rem 0 0; border-left: 0; border-top: 1px solid var(--blue); }
  .footer-nav { grid-column: 1; }
  .dossier-grid { grid-template-columns: 1fr; }
  .dossier-grid .section-index, .dossier-column { grid-column: 1; }
  .dossier-lead, .legal-hero > p:last-child { margin-left: 0; }
  .legal-layout { grid-template-columns: 1fr; }
  .legal-summary { position: static; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }