:root {
  --paper: #f3eee7;
  --ink: #11100f;
  --muted: #5e5853;
  --line: #cfc6bc;
  --red: #f5222a;
  --red-dark: #c90912;
  --dark-line: #373331;
  --shell: min(1120px, calc(100% - 48px));
  --display: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --body: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--body); font-size: 17px; line-height: 1.64; text-rendering: optimizeLegibility; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.shell { width: var(--shell); margin-inline: auto; }
.section { padding: 104px 0; }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 100; padding: 11px 15px; background: var(--ink); color: white; }
.skip-link:focus { top: 16px; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid rgba(245,34,42,.34); outline-offset: 3px; }

h1, h2, h3 { margin: 0; font-family: var(--display); color: inherit; letter-spacing: -.035em; }
h1 { max-width: 760px; font-size: clamp(3.5rem, 6vw, 4.8rem); font-weight: 700; line-height: 1.01; }
h1 em { color: var(--red); font-style: normal; }
h2 { font-size: clamp(2.65rem, 4.4vw, 3.65rem); font-weight: 700; line-height: 1.03; }
h3 { font-weight: 700; line-height: 1.18; }
p { margin-top: 0; }
.eyebrow { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; margin: 0 0 22px; color: var(--red-dark); font-family: var(--mono); font-size: .76rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.eyebrow span + span::before { content: "/"; margin-right: 16px; color: var(--ink); }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(243,238,231,.96); border-bottom: 1px solid rgba(17,16,15,.14); backdrop-filter: blur(14px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; height: 76px; }
.brand { display: flex; align-items: center; gap: 10px; width: 218px; height: 64px; }
.brand img { width: 100px; height: 50px; object-fit: contain; flex: 0 0 auto; }
.brand span { transform: translateY(5px); font-family: "Avenir Next Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif; font-size: 1.24rem; font-stretch: condensed; font-weight: 700; letter-spacing: .025em; white-space: nowrap; }
.desktop-nav { display: flex; align-items: center; gap: 30px; font-size: .84rem; font-weight: 600; }
.desktop-nav a { position: relative; padding: 9px 0; transition: color .18s ease; }
.desktop-nav a::after { content: ""; position: absolute; right: 100%; bottom: 4px; left: 0; height: 1px; background: var(--red); transition: right .2s ease; }
.desktop-nav a:hover, .desktop-nav a:focus-visible { color: var(--red-dark); }
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after { right: 0; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 50px; padding: 0 21px; border: 1px solid var(--red); background: var(--red); color: white; font-size: .84rem; font-weight: 700; cursor: pointer; transition: color .18s ease, background .18s ease, border-color .18s ease, transform .18s ease; }
.button:hover, .button:focus-visible { border-color: var(--ink); background: var(--ink); transform: translateY(-2px); }
.button-small { min-height: 40px; padding-inline: 16px; font-size: .78rem; }
.button-call { border-color: var(--ink); background: transparent; color: var(--ink); }
.button-call:hover, .button-call:focus-visible { border-color: var(--ink); background: var(--ink); color: white; }
.call-number { font-family: var(--mono); font-size: .68rem; font-weight: 600; letter-spacing: .02em; white-space: nowrap; }
.header-call { gap: 9px; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 0 12px; border: 1px solid var(--ink); background: transparent; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; margin: 6px 0; background: var(--ink); transition: transform .18s ease; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
.mobile-nav { display: none; }
.mobile-contact-bar { display: none; }

.hero { position: relative; padding: 106px 0 112px; overflow: hidden; isolation: isolate; }
.hero::before { content: ""; position: absolute; z-index: -1; top: 8px; right: -260px; width: min(970px, 72vw); height: 720px; background: url("assets/route-field.svg") center / contain no-repeat; opacity: .72; pointer-events: none; }
.hero-rays { display: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(340px, .85fr); align-items: start; gap: 86px; }
.hero-intro { max-width: 620px; margin: 28px 0 0; color: #3f3a36; font-size: 1.05rem; line-height: 1.7; }
.hero-cta { display: flex; align-items: center; flex-wrap: wrap; gap: 13px; margin-top: 34px; }
.hero-cta .text-link { margin-left: 8px; }
.hero-call { gap: 11px; }
.text-link { display: inline-flex; gap: 10px; align-items: center; min-height: 44px; border-bottom: 1px solid var(--ink); font-size: .84rem; font-weight: 700; transition: color .18s ease, border-color .18s ease; }
.text-link:hover, .text-link:focus-visible { color: var(--red-dark); border-color: var(--red); }

.capability-index { position: relative; align-self: start; margin-top: 43px; overflow: hidden; border-top: 3px solid var(--ink); border-bottom: 1px solid var(--ink); }
.capability-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 48px; border-bottom: 1px solid var(--line); color: var(--muted); font-family: var(--mono); font-size: .75rem; letter-spacing: .06em; text-transform: uppercase; }
.capability-index > a { position: relative; z-index: 1; display: grid; grid-template-columns: 32px 1fr 20px; align-items: center; gap: 12px; min-height: 62px; padding: 10px 12px 10px 0; border-bottom: 1px solid var(--line); transition: color .18s ease, background .18s ease, padding .18s ease; }
.capability-index > a:last-of-type { border-bottom: 0; }
.capability-index > a span { color: var(--red-dark); font-family: var(--mono); font-size: .75rem; }
.capability-index > a strong { font-size: .92rem; font-weight: 700; }
.capability-index > a i { color: var(--red); font-style: normal; opacity: 0; transform: translate(-4px, 4px); transition: opacity .18s ease, transform .18s ease; }
.capability-index > a:hover, .capability-index > a:focus-visible { padding-left: 12px; background: var(--ink); color: white; }
.capability-index > a:hover span, .capability-index > a:focus-visible span { color: #ff777c; }
.capability-index > a:hover i, .capability-index > a:focus-visible i { opacity: 1; transform: none; }
.capability-index > img { position: absolute; right: -50px; bottom: -20px; width: 245px; opacity: .055; pointer-events: none; }

.signal-strip { border-top: 1px solid #262321; border-bottom: 1px solid #262321; background: var(--ink); color: white; }
.signal-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.signal-grid div { display: flex; align-items: center; min-height: 64px; padding: 0 20px; border-right: 1px solid var(--dark-line); font-family: var(--mono); font-size: .75rem; letter-spacing: .04em; text-transform: uppercase; }
.signal-grid div:first-child { border-left: 1px solid var(--dark-line); }
.signal-grid div::before { content: ""; width: 5px; height: 5px; margin-right: 11px; background: var(--red); }

.foundation, .approach, .contact { position: relative; overflow: hidden; isolation: isolate; }
.foundation::after, .approach::after, .contact::after { content: ""; position: absolute; z-index: -1; width: 620px; height: 372px; background: url("assets/route-field.svg") center / contain no-repeat; opacity: .18; pointer-events: none; }
.foundation::after { right: -310px; bottom: -75px; }
.approach::after { top: 55px; left: -360px; transform: scaleX(-1); }
.contact::after { right: -350px; bottom: 10px; }
.split-layout, .principles-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 92px; }
.section-lead > p:last-child, .section-heading > p:last-child, .systems-copy > p, .contact-copy > p { max-width: 620px; margin: 24px 0 0; color: var(--muted); }
.feature-stack { border-top: 2px solid var(--ink); }
.feature-row { position: relative; display: block; padding: 34px 0 36px 20px; border-bottom: 1px solid var(--line); }
.feature-row::before { content: ""; position: absolute; top: 38px; left: 0; width: 3px; height: 30px; background: var(--red); }
.feature-row > span { display: none; }
.feature-row h3 { max-width: 520px; font-size: 1.4rem; letter-spacing: -.02em; }
.feature-row p { margin: 14px 0 0; color: var(--muted); font-size: .94rem; }
.feature-row ul { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 18px 0 0; padding: 0; list-style: none; font-size: .79rem; font-weight: 700; }
.feature-row li::before { content: "+"; margin-right: 7px; color: var(--red); }

.services { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-heading { max-width: 760px; }
.service-grid { margin-top: 54px; border-top: 2px solid var(--ink); }
.service-card { display: grid; grid-template-columns: 44px minmax(220px, .9fr) minmax(260px, 1fr) 150px; align-items: center; gap: 26px; min-height: 128px; padding: 22px 16px 22px 0; border-bottom: 1px solid var(--line); transition: color .18s ease, background .18s ease, padding .18s ease; }
.service-card:hover { padding-left: 16px; background: var(--ink); color: white; }
.service-number { color: var(--red-dark); font-family: var(--mono); font-size: .75rem; }
.service-card:hover .service-number { color: #ff777c; }
.service-card h3 { font-size: 1.34rem; letter-spacing: -.02em; }
.service-card p { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.55; }
.service-card:hover p { color: #c9c3bf; }
.service-card a { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 44px; font-size: .78rem; font-weight: 700; }
.service-card a span { color: var(--red); transition: transform .18s ease; }
.service-card a:hover span, .service-card a:focus-visible span { transform: translate(3px,-3px); }

.systems { position: relative; overflow: hidden; isolation: isolate; background: var(--ink); color: white; }
.systems::after { content: ""; position: absolute; z-index: -1; right: -250px; bottom: -180px; width: 740px; height: 520px; background: url("assets/route-field.svg") center / contain no-repeat; opacity: .16; filter: saturate(1.2) brightness(1.5); pointer-events: none; }
.systems-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: center; gap: 84px; }
.eyebrow-light { color: #f4efea; }
.eyebrow-light::before { content: ""; width: 28px; height: 2px; background: var(--red); }
.systems-copy > p { color: #b6afaa; }
.system-benefits { display: grid; grid-template-columns: 1fr 1fr; margin-top: 34px; border-top: 1px solid var(--dark-line); }
.system-benefits span { padding: 14px 8px 14px 0; border-bottom: 1px solid var(--dark-line); color: #d6d0cc; font-size: .8rem; }
.system-benefits span::before { content: "+"; margin-right: 9px; color: var(--red); }
.system-ledger { border-top: 3px solid white; border-bottom: 1px solid #77706c; }
.ledger-heading { display: flex; justify-content: space-between; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--dark-line); color: #a59d98; font-family: var(--mono); font-size: .75rem; letter-spacing: .05em; text-transform: uppercase; }
.system-ledger article { display: grid; grid-template-columns: 120px 1fr; align-items: center; gap: 24px; min-height: 76px; border-bottom: 1px solid var(--dark-line); transition: padding .18s ease, background .18s ease; }
.system-ledger article:hover { padding-inline: 12px; background: #1d1a18; }
.system-ledger article span { color: #ff777c; font-family: var(--mono); font-size: .75rem; letter-spacing: .04em; text-transform: uppercase; }
.system-ledger article strong { font-size: .92rem; font-weight: 600; }
.ledger-route { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; padding: 18px 0; color: #9c948f; font-family: var(--mono); font-size: .75rem; text-align: center; }
.ledger-route span { position: relative; }
.ledger-route span:not(:last-child)::after { content: "→"; position: absolute; right: -7px; color: var(--red); }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); margin: 54px 0 0; padding: 0; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--line); list-style: none; }
.steps li { min-height: 225px; padding: 26px 24px 30px; border-right: 1px solid var(--line); transition: background .18s ease; }
.steps li:first-child { border-left: 1px solid var(--line); }
.steps li:hover { background: rgba(17,16,15,.035); }
.steps li > span, .principle-list article > span { color: var(--red-dark); font-family: var(--mono); font-size: .75rem; }
.steps h3 { margin-top: 44px; font-size: 1.34rem; }
.steps p { margin: 12px 0 0; color: var(--muted); font-size: .86rem; line-height: 1.58; }

.principles { border-top: 1px solid var(--line); }
.principle-list { border-top: 2px solid var(--ink); }
.principle-list article { display: grid; grid-template-columns: 36px 1fr auto; align-items: center; gap: 18px; min-height: 88px; border-bottom: 1px solid var(--line); transition: padding .18s ease, color .18s ease; }
.principle-list article:hover { padding-inline: 10px; color: var(--red-dark); }
.principle-list h3 { font-size: 1.12rem; letter-spacing: -.015em; }
.principle-list p { margin: 0; color: var(--muted); font-size: .76rem; }

.cta-band { position: relative; padding: 62px 0; overflow: hidden; isolation: isolate; background: var(--red); color: white; }
.cta-band::after { content: ""; position: absolute; z-index: -1; right: -190px; bottom: -250px; width: 650px; height: 520px; background: url("assets/route-field.svg") center / contain no-repeat; opacity: .22; filter: grayscale(1) brightness(6); pointer-events: none; }
.cta-inner { display: flex; align-items: flex-end; justify-content: space-between; gap: 52px; }
.cta-inner > div { max-width: 760px; }
.cta-band h2 { font-size: clamp(2.35rem, 3.7vw, 3.25rem); }
.cta-actions { display: flex; align-items: stretch; gap: 10px; max-width: none !important; }
.button-dark { border-color: var(--ink); background: var(--ink); white-space: nowrap; }
.button-dark:hover, .button-dark:focus-visible { border-color: white; background: white; color: var(--ink); }
.button-call-light { border-color: white; color: white; white-space: nowrap; }
.button-call-light:hover, .button-call-light:focus-visible { border-color: white; background: white; color: var(--ink); }

.contact-grid { display: grid; grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr); gap: 88px; }
.contact-copy dl { margin: 42px 0 0; border-top: 1px solid var(--line); }
.contact-copy dl div { display: grid; grid-template-columns: 92px 1fr; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: .86rem; }
.contact-copy dt { color: var(--muted); }
.contact-copy dd { margin: 0; font-weight: 700; }
.contact-copy dd a { text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 4px; transition: color .18s ease, text-decoration-color .18s ease; }
.contact-copy dd a:hover, .contact-copy dd a:focus-visible { color: var(--red-dark); text-decoration-color: var(--red); }
.contact-form { padding: 30px; border: 1px solid var(--line); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form label { display: block; margin-bottom: 17px; font-size: .8rem; font-weight: 700; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; min-height: 48px; margin-top: 7px; padding: 12px 13px; border: 1px solid #b6aca2; border-radius: 0; outline: none; background: rgba(255,255,255,.34); color: var(--ink); }
.contact-form textarea { min-height: 128px; resize: vertical; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--red); box-shadow: 0 0 0 2px rgba(245,34,42,.11); }
.contact-form .button { width: 100%; }
.contact-form .button:disabled { cursor: wait; opacity: .62; transform: none; }
.form-trap { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.form-status { min-height: 1.35em; margin: 12px 0 0; font-size: .82rem; font-weight: 700; text-align: center; }
.form-status:empty { display: none; }
.form-status.is-success { color: #17663d; }
.form-status.is-error { color: #a0141a; }
.form-note { margin: 11px 0 0; color: var(--muted); font-size: .75rem; text-align: center; }
.form-note a { color: var(--ink); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

.contact-dialog { width: min(480px, calc(100% - 32px)); padding: 0; overflow: visible; border: 1px solid var(--ink); border-radius: 0; background: var(--paper); color: var(--ink); box-shadow: 18px 18px 0 rgba(17,16,15,.18), 0 26px 80px rgba(17,16,15,.28); }
.contact-dialog::backdrop { background: rgba(17,16,15,.72); backdrop-filter: blur(4px); }
.contact-dialog[open] { animation: dialog-in .24s ease-out both; }
.dialog-close { position: absolute; z-index: 2; top: 14px; right: 14px; display: grid; place-items: center; width: 38px; height: 38px; padding: 0; border: 1px solid var(--ink); background: transparent; color: var(--ink); font-size: 1.4rem; line-height: 1; cursor: pointer; transition: background .18s ease, color .18s ease; }
.dialog-close:hover, .dialog-close:focus-visible { background: var(--ink); color: white; }
.dialog-brand { display: flex; align-items: center; gap: 8px; min-height: 66px; padding: 7px 64px 7px 24px; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: .67rem; font-weight: 700; letter-spacing: .07em; }
.dialog-brand img { width: 68px; height: 42px; object-fit: contain; }
.dialog-mark { display: grid; place-items: center; width: 54px; height: 54px; margin: 30px 30px 20px; background: var(--red); color: white; font-size: 1.3rem; font-weight: 800; }
.contact-dialog .eyebrow, .contact-dialog h2, .contact-dialog > p:not(.eyebrow) { margin-right: 30px; margin-left: 30px; }
.contact-dialog .eyebrow { margin-bottom: 12px; }
.contact-dialog h2 { font-size: clamp(2rem, 6vw, 2.65rem); line-height: 1.02; }
.contact-dialog > p:not(.eyebrow) { margin-top: 18px; color: var(--muted); font-size: .95rem; line-height: 1.6; }
.dialog-actions { display: flex; align-items: center; gap: 24px; margin-top: 28px; padding: 22px 30px 28px; border-top: 1px solid var(--line); }
.contact-dialog.is-draft .dialog-mark { background: var(--ink); }
.contact-dialog.is-error .dialog-mark { background: var(--red-dark); }
@keyframes dialog-in { from { opacity: 0; transform: translateY(16px) scale(.98); } to { opacity: 1; transform: none; } }

.site-footer { padding: 66px 0 26px; background: var(--ink); color: #ded8d3; }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 58px; }
.footer-lockup { display: flex; align-items: center; min-height: 50px; }
.footer-lockup::before { content: ""; width: 30px; height: 2px; margin-right: 11px; background: var(--red); }
.footer-lockup strong { color: white; font-size: 1.1rem; font-weight: 800; letter-spacing: .055em; }
.footer-brand p { max-width: 330px; color: #aaa29d; font-size: .8rem; }
.footer-grid h3 { margin: 0 0 17px; color: white; font-size: .78rem; }
.footer-grid a, .footer-grid span { display: block; margin: 8px 0; color: #aaa29d; font-size: .76rem; transition: color .18s ease; }
.footer-grid a:hover, .footer-grid a:focus-visible { color: white; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 50px; padding-top: 18px; border-top: 1px solid var(--dark-line); color: #8f8782; font-size: .7rem; }

.reveal { opacity: 0; transform: translateY(6px); transition: opacity .38s ease, transform .38s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: .06s; }
.delay-2 { transition-delay: .12s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

@media (hover: none) {
  .capability-index > a:hover { padding-left: 0; background: transparent; color: inherit; }
  .capability-index > a:hover span { color: var(--red-dark); }
  .capability-index > a i { opacity: 1; transform: none; }
  .service-card:hover { padding-left: 0; background: transparent; color: inherit; }
  .service-card:hover .service-number { color: var(--red-dark); }
  .service-card:hover p { color: var(--muted); }
  .system-ledger article:hover { padding-inline: 0; background: transparent; }
  .steps li:hover { background: transparent; }
  .principle-list article:hover { padding-inline: 0; color: inherit; }
}

@media (max-width: 960px) {
  :root { --shell: min(100% - 40px, 760px); }
  body { padding-bottom: calc(68px + env(safe-area-inset-bottom)); }
  .section { padding: 88px 0; }
  .header-inner { position: relative; }
  .brand { width: 102px; gap: 0; }
  .brand span { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); }
  .desktop-nav, .header-actions > .button { display: none; }
  .menu-toggle { display: block; }
  .mobile-nav { position: fixed; inset: 76px 0 auto; flex-direction: column; padding: 18px 20px 26px; background: var(--ink); color: white; }
  .mobile-nav.is-open { display: flex; }
  .mobile-nav a { display: flex; align-items: center; min-height: 54px; border-bottom: 1px solid var(--dark-line); font-size: .9rem; }
  .mobile-contact-bar { position: fixed; z-index: 60; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 8px; padding: 9px max(12px, env(safe-area-inset-right)) calc(9px + env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left)); border-top: 1px solid rgba(17,16,15,.18); background: rgba(243,238,231,.97); box-shadow: 0 -10px 32px rgba(17,16,15,.09); opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(calc(100% + 12px)); transition: opacity .22s ease, transform .28s ease, visibility 0s linear .28s; backdrop-filter: blur(14px); }
  .mobile-contact-bar.is-visible { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); transition-delay: 0s; }
  .mobile-contact-bar .button { min-width: 0; min-height: 48px; padding-inline: 13px; font-size: .78rem; }
  .mobile-contact-bar .button-call { gap: 7px; }
  .mobile-contact-bar .call-number { font-size: .62rem; }
  .hero { padding: 82px 0 92px; }
  .hero::before { top: -60px; right: -390px; width: 900px; opacity: .58; }
  .hero-grid, .split-layout, .principles-grid, .systems-grid, .contact-grid { grid-template-columns: 1fr; gap: 58px; }
  .hero-copy { max-width: 720px; }
  h1 { max-width: 700px; font-size: clamp(3.4rem, 9.3vw, 4.65rem); }
  .capability-index { max-width: 650px; margin-top: 0; }
  .service-card { grid-template-columns: 36px 1fr; gap: 10px 20px; padding: 24px 0; }
  .service-card:hover { padding-inline: 14px; }
  .service-card p, .service-card a { grid-column: 2; }
  .service-card a { max-width: 190px; }
  .systems-copy { max-width: 700px; }
  .system-ledger { max-width: 700px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps li:nth-child(2) { border-right: 0; }
  .cta-inner { align-items: flex-start; flex-direction: column; }
  .cta-actions { flex-wrap: wrap; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 2 / 4; }
}

@media (max-width: 620px) {
  :root { --shell: calc(100% - 32px); }
  body { font-size: 16px; }
  .section { padding: 68px 0; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .header-inner { height: 70px; }
  .brand { width: 84px; height: 56px; gap: 0; }
  .brand img { width: 82px; height: 41px; }
  .brand span { font-size: 1.04rem; }
  .mobile-nav { inset-block-start: 70px; }
  .hero { padding: 56px 0 68px; }
  .hero::before { top: 70px; right: -410px; width: 760px; opacity: .38; }
  .hero-grid { gap: 42px; }
  .eyebrow { gap: 10px; margin-bottom: 18px; font-size: .75rem; }
  .eyebrow span + span::before { margin-right: 10px; }
  h1 { font-size: clamp(2.6rem, 12vw, 3.3rem); line-height: 1.02; }
  h2 { font-size: clamp(2.25rem, 10.2vw, 2.9rem); }
  .hero-intro { margin-top: 22px; font-size: 1rem; line-height: 1.65; }
  .hero-cta { align-items: flex-start; flex-direction: column; gap: 11px; margin-top: 28px; }
  .hero-cta .button { width: 100%; }
  .hero-cta .text-link { margin-left: 0; }
  .button { min-height: 48px; }
  .capability-heading { font-size: .75rem; }
  .capability-index > a { grid-template-columns: 28px 1fr 18px; min-height: 56px; gap: 9px; }
  .capability-index > a strong { font-size: .84rem; }
  .signal-grid { grid-template-columns: 1fr 1fr; }
  .signal-grid div { min-height: 56px; padding: 8px 12px; border-bottom: 1px solid var(--dark-line); font-size: .75rem; line-height: 1.35; }
  .signal-grid div:nth-child(2n) { border-right: 0; }
  .split-layout, .principles-grid, .systems-grid, .contact-grid { gap: 46px; }
  .feature-row { padding: 28px 0 30px 17px; }
  .feature-row::before { top: 32px; height: 25px; }
  .feature-row h3 { font-size: 1.25rem; }
  .service-grid { margin-top: 42px; }
  .service-card { grid-template-columns: 28px 1fr; gap: 8px 14px; min-height: 0; padding: 21px 0; }
  .service-card h3 { font-size: 1.2rem; }
  .service-card p { font-size: .85rem; }
  .service-card:hover { padding-inline: 10px; }
  .system-benefits { grid-template-columns: 1fr; }
  .system-ledger article { display: block; min-height: 0; padding: 18px 0; }
  .system-ledger article:hover { padding-inline: 10px; }
  .system-ledger article span, .system-ledger article strong { display: block; }
  .system-ledger article strong { margin-top: 6px; font-size: .87rem; }
  .ledger-heading { display: block; }
  .ledger-heading span { display: block; }
  .ledger-heading span + span { margin-top: 4px; }
  .ledger-route { grid-template-columns: 1fr 1fr; gap: 10px 16px; font-size: .75rem; text-align: left; }
  .ledger-route span:not(:last-child)::after { display: none; }
  .steps { grid-template-columns: 1fr; }
  .steps li, .steps li:first-child { min-height: 0; padding: 26px 0; border-right: 0; border-left: 0; }
  .steps h3 { margin-top: 28px; }
  .principle-list article { grid-template-columns: 30px 1fr; gap: 12px; padding: 18px 0; }
  .principle-list article:hover { padding-inline: 8px; }
  .principle-list p { grid-column: 2; }
  .cta-band { padding: 54px 0; }
  .foundation::after, .approach::after, .contact::after { width: 480px; height: 290px; opacity: .12; }
  .systems::after { right: -360px; opacity: .11; }
  .cta-band::after { right: -350px; opacity: .16; }
  .cta-band h2 { font-size: 2.25rem; }
  .cta-actions { width: 100%; flex-direction: column; }
  .cta-actions .button { width: 100%; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 22px; }
  .contact-dialog { box-shadow: 9px 9px 0 rgba(17,16,15,.18), 0 20px 60px rgba(17,16,15,.3); }
  .dialog-brand { min-height: 60px; padding-left: 18px; }
  .dialog-brand img { width: 58px; }
  .dialog-mark { margin: 24px 22px 18px; }
  .contact-dialog .eyebrow, .contact-dialog h2, .contact-dialog > p:not(.eyebrow) { margin-right: 22px; margin-left: 22px; }
  .dialog-actions { margin-top: 24px; padding: 18px 22px 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 38px 24px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid > div:last-child { grid-column: auto; }
  .footer-bottom { gap: 15px; flex-direction: column; }
}

@media (max-width: 420px) {
  .mobile-contact-bar { grid-template-columns: .82fr 1.18fr; }
  .mobile-contact-bar .call-number { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand, .footer-grid > div:last-child { grid-column: auto; }
}

@media (hover: none) and (max-width: 620px) {
  .service-card:hover, .principle-list article:hover { padding-inline: 0; }
}

@media (prefers-reduced-motion: reduce) and (max-width: 960px) {
  .mobile-contact-bar { transition: none; }
}