:root {
  --titanium: #f2f4f5;
  --aluminum: #e5e9ec;
  --bright: #fafbfb;
  --graphite: #171b1e;
  --gunmetal: #3e474d;
  --blue: #315a73;
  --blue-deep: #24485f;
  --border: #c5cdd2;
  --border-soft: rgba(127, 143, 152, .30);
  --border-dark: rgba(216, 224, 229, .18);
  --stage: #151a1e;
  --white: #fff;
  --display: Bahnschrift, "Segoe UI Variable", "Segoe UI", sans-serif;
  --body: "Segoe UI Variable", "Segoe UI", sans-serif;
  --mono: Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }
html { scrollbar-width: none; }
html::-webkit-scrollbar { display: none; width: 0; height: 0; }
html, body { width: 100%; min-height: 100%; margin: 0; }
[hidden] { display: none !important; }
body { overflow-x: hidden; background: #dce1e4; color: var(--graphite); font-family: var(--body); }
a { color: inherit; text-decoration: none; }
a, button { outline-offset: 4px; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--blue); }
.page-shell { width: 100%; max-width: 1440px; margin: 0 auto; overflow: hidden; background: var(--titanium); box-shadow: 0 0 80px rgba(31,42,48,.12); }

.site-header { height: 92px; display: grid; grid-template-columns: 190px 1fr 235px; align-items: center; gap: 20px; padding: 0 48px 0 58px; border-bottom: 1px solid var(--border); background: rgba(250,251,251,.98); }
.brand { width: max-content; display: flex; align-items: center; gap: 13px; }
.brand-mark { width: 37px; height: 37px; }
.brand-name { font-family: var(--display); font-size: 18px; font-weight: 720; letter-spacing: .15em; }
.desktop-nav { display: flex; align-items: center; justify-content: center; gap: 19px; min-width: 0; color: #30383d; font-family: var(--display); font-size: 12.5px; font-weight: 620; white-space: nowrap; }
.desktop-nav a { position: relative; height: 92px; display: flex; align-items: center; }
.desktop-nav a.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--blue); }
.cut-action { position: relative; display: flex; align-items: center; justify-content: space-between; color: var(--white); background: var(--graphite); clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%); font-family: var(--display); font-weight: 680; }
.cut-action::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--blue); }
.cut-action b { color: #72a3be; font-size: 18px; font-weight: 500; }
.header-action { justify-self: end; width: 232px; height: 48px; padding: 0 15px 0 19px; font-size: 12.5px; }
.mobile-menu { display: none; }
.mobile-navigation { display: none; }

.eyebrow, .section-kicker { margin: 0; color: var(--blue); font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: .10em; }
.eyebrow { display: flex; align-items: center; gap: 13px; color: #46535b; }
.eyebrow i { width: 34px; height: 2px; display: block; background: var(--blue); }
h1, h2, h3, h4 { margin-top: 0; font-family: var(--display); letter-spacing: -.042em; }
h1 { margin: 28px 0 0; font-size: 64px; line-height: 1.01; font-weight: 660; }
h1 em, h2 em { color: var(--gunmetal); font-style: normal; font-weight: 430; }
h2 { margin: 18px 0 0; font-size: 47px; line-height: 1.06; font-weight: 620; }
.body-lead { color: #4c5961; font-size: 17px; line-height: 1.66; }
.text-action { width: max-content; min-height: 50px; display: flex; align-items: center; gap: 28px; border-bottom: 1px solid #7d898f; font-family: var(--display); font-size: 14px; font-weight: 670; }
.text-action b { color: var(--blue); font-size: 18px; }
.section-index { display: flex; align-items: center; gap: 11px; color: #68757d; font-family: var(--mono); font-size: 10px; letter-spacing: .10em; }
.section-index span { color: var(--blue); }
.section-index p { margin: 0; }
.section-index.light { color: #9da8ae; }
.section-index.light span { color: #7da7bd; }

.solutions-hero { min-height: 720px; display: grid; grid-template-columns: 52% 48%; background: var(--titanium); }
.hero-copy { padding: 82px 58px 62px 64px; background: linear-gradient(125deg, rgba(255,255,255,.76), transparent 46%), linear-gradient(180deg, var(--titanium), #e9edef); }
.hero-copy h1 { max-width: 650px; }
.hero-copy .body-lead { max-width: 610px; margin: 28px 0 0; }
.hero-copy .text-action { margin-top: 34px; }
.working-line { margin-top: 46px; padding: 17px 0; display: grid; grid-template-columns: 172px 1fr; gap: 14px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.working-line small { color: var(--blue); font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: .10em; }
.working-line p { display: flex; flex-wrap: wrap; gap: 7px 10px; margin: 0; color: var(--gunmetal); font-size: 13.5px; }
.working-line i { color: var(--blue); font-style: normal; }

.qualification-stage { position: relative; min-width: 0; padding: 43px 46px 44px; overflow: hidden; color: white; background: var(--stage); }
.qualification-stage::before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(122,156,174,.12), transparent 38%), repeating-linear-gradient(90deg, transparent 0 104px, rgba(164,189,201,.055) 104px 105px); pointer-events: none; }
.stage-topline { position: relative; z-index: 1; display: flex; align-items: center; gap: 12px; color: #8da0aa; font-family: var(--mono); font-size: 10px; letter-spacing: .10em; }
.stage-topline i { flex: 1; height: 1px; background: #3c4d56; }
.stage-topline span:last-child { color: #7da7bc; }
.qualification-stage h2 { position: relative; z-index: 1; max-width: 520px; margin-top: 68px; color: #edf1f3; font-size: 39px; }
.qualification-stage h2 em { display: block; color: #aebac0; }
.signal-route { position: relative; z-index: 1; margin-top: 38px; border-top: 1px solid #40515a; border-bottom: 1px solid #40515a; }
.signal-route li { min-height: 72px; display: grid; grid-template-columns: 48px 185px 1fr 20px; align-items: center; gap: 12px; border-bottom: 1px solid rgba(169,189,199,.16); }
.signal-route li:last-child { border-bottom: 0; }
.signal-route li > span { color: #7ea5b9; font-family: var(--mono); font-size: 10px; }
.signal-route strong { color: #eef2f3; font-family: var(--display); font-size: 16px; font-weight: 610; }
.signal-route small { color: #9eacb3; font-size: 12px; line-height: 1.4; }
.signal-route b { color: #7da8bd; font-size: 17px; font-weight: 400; }
.stage-note { position: relative; z-index: 1; margin: 28px 0 0; padding-left: 18px; border-left: 2px solid var(--blue); color: #bac4c9; font-size: 15px; line-height: 1.55; }

.audience-model { min-height: 228px; display: grid; grid-template-columns: 31% 69%; color: #edf1f3; background: var(--graphite); }
.audience-label { padding: 44px 48px 40px 64px; border-right: 1px solid var(--border-dark); }
.audience-label p { max-width: 320px; margin: 20px 0 0; color: #aeb9be; font-size: 14.5px; line-height: 1.55; }
.audience-model ul { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3,1fr); list-style: none; }
.audience-model li { padding: 45px 34px 36px; border-right: 1px solid var(--border-dark); }
.audience-model li span { color: #78a2b7; font-family: var(--mono); font-size: 10px; }
.audience-model li strong { display: block; margin-top: 22px; font-family: var(--display); font-size: 21px; font-weight: 610; }
.audience-model li p { margin: 12px 0 0; color: #aeb8bd; font-size: 15.5px; line-height: 1.55; }

.workflow-section { padding: 78px 64px 72px; background: linear-gradient(116deg, rgba(255,255,255,.72), transparent 46%), var(--titanium); }
.section-heading { display: grid; grid-template-columns: 205px 1fr 385px; align-items: end; gap: 48px; padding: 28px 0 38px; border-bottom: 1px solid var(--border); }
.section-heading h2, .section-heading p { margin-bottom: 0; }
.section-heading > p { color: #536169; font-size: 15.5px; line-height: 1.62; }
.workflow-list { margin-top: 0; }
.workflow-row { min-height: 224px; display: grid; grid-template-columns: 78px 300px 1fr 84px; align-items: center; gap: 28px; border-bottom: 1px solid var(--border); }
.workflow-row > span { align-self: start; padding-top: 44px; color: #6c8b9c; font-family: var(--mono); font-size: 11px; }
.workflow-title small { color: #667780; font-family: var(--mono); font-size: 12px; letter-spacing: .08em; }
.workflow-title h3 { max-width: 290px; margin: 13px 0 0; font-size: 27px; line-height: 1.08; font-weight: 620; }
.workflow-fields { display: grid; grid-template-columns: repeat(2,1fr); border-left: 1px solid var(--border); }
.workflow-fields div { min-height: 82px; padding: 13px 22px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border-soft); }
.workflow-fields div:nth-last-child(-n+2) { border-bottom: 0; }
.workflow-fields dt { color: #687983; font-family: var(--mono); font-size: 12px; line-height: 1.35; letter-spacing: .06em; text-transform: uppercase; }
.workflow-fields dd { margin: 8px 0 0; color: #3f4d54; font-size: 15.5px; line-height: 1.4; }
.workflow-link { justify-self: end; color: var(--blue); font-size: 22px; }

.selection-section { min-height: 790px; display: grid; grid-template-columns: 40% 60%; color: white; background: var(--stage); }
.selection-copy { padding: 92px 55px 72px 64px; border-right: 1px solid var(--border-dark); }
.selection-copy h2 { margin-top: 28px; color: #edf1f3; }
.selection-copy h2 em { display: block; color: #aeb9be; }
.selection-copy .body-lead { margin-top: 28px; color: #bdc7cc; }
.selection-copy .selection-caption { margin-top: 46px; padding: 19px 0 0 20px; border-top: 1px solid #40515a; border-left: 2px solid #6b98af; color: #95a7b0; font-family: var(--mono); font-size: 11px; line-height: 1.6; letter-spacing: .06em; }
.selection-path { position: relative; margin: 0; padding: 62px 58px 50px 90px; list-style: none; background: linear-gradient(145deg, #1d2529, #151a1e); }
.selection-path::before { content: ""; position: absolute; left: 63px; top: 89px; bottom: 86px; width: 2px; background: linear-gradient(#6d99af, #8ea9b6 55%, #4c7184); }
.selection-path li { position: relative; min-height: 106px; display: grid; grid-template-columns: 44px 1fr 95px; align-items: center; gap: 20px; border-bottom: 1px solid rgba(174,195,205,.16); }
.selection-path li::before { content: ""; position: absolute; left: -34px; width: 14px; height: 14px; border: 2px solid #6e9aae; background: #192125; transform: rotate(45deg); }
.selection-path span { color: #80a8bc; font-family: var(--mono); font-size: 10px; }
.selection-path strong { display: block; font-size: 20px; font-weight: 610; }
.selection-path p { margin: 7px 0 0; color: #aeb9be; font-size: 15px; line-height: 1.45; }
.selection-path b { color: #759eb2; font-family: var(--mono); font-size: 9px; font-weight: 500; letter-spacing: .07em; }

.boundary-section { min-height: 770px; padding: 82px 64px 72px; background: var(--bright); }
.boundary-intro { display: grid; grid-template-columns: 205px 1fr 390px; align-items: end; gap: 48px; padding: 28px 0 38px; border-bottom: 1px solid var(--border); }
.boundary-intro h2, .boundary-intro p { margin-bottom: 0; }
.boundary-intro > p { color: #536169; font-size: 15.5px; line-height: 1.62; }
.boundary-grid { display: grid; grid-template-columns: 1fr 1fr; }
.boundary-column { min-height: 472px; padding: 45px 48px 30px 0; }
.boundary-column + .boundary-column { padding-left: 48px; border-left: 1px solid var(--border); }
.boundary-column > small { color: var(--blue); font-family: var(--mono); font-size: 12px; letter-spacing: .08em; }
.boundary-column h3 { margin: 15px 0 28px; font-size: 28px; font-weight: 610; }
.boundary-column ul { margin: 0; padding: 0; list-style: none; }
.boundary-column li { position: relative; min-height: 69px; display: flex; align-items: center; padding: 12px 0 12px 45px; border-top: 1px solid var(--border-soft); color: #46545c; font-size: 15.5px; line-height: 1.45; }
.boundary-column li::before { content: "+"; position: absolute; left: 2px; color: #5c8498; font-family: var(--mono); font-size: 20px; }
.boundary-column.customer li::before { content: "→"; }
.boundary-foot { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-top: 20px; border-top: 1px solid var(--border); color: #68767e; font-size: 14.5px; }
.boundary-foot strong { color: var(--gunmetal); font-weight: 620; }

.cooperation-section { min-height: 380px; display: grid; grid-template-columns: 180px 1fr 430px; align-items: center; gap: 48px; padding: 0 64px; background: linear-gradient(110deg, rgba(255,255,255,.74), transparent 49%), var(--aluminum); border-bottom: 1px solid var(--border); }
.cooperation-meta { align-self: start; margin-top: 66px; display: flex; gap: 11px; color: #718087; font-family: var(--mono); font-size: 10px; letter-spacing: .10em; }
.cooperation-meta span { color: var(--blue); }
.cooperation-meta p { margin: 0; }
.cooperation-copy h2 { margin: 19px 0 0; font-size: 50px; line-height: 1.03; font-weight: 620; }
.cooperation-copy h2 em { display: block; }
.cooperation-action { padding-left: 35px; border-left: 1px solid var(--border); }
.cooperation-action p { margin: 0 0 25px; color: #536067; font-size: 15.5px; line-height: 1.6; }
.primary { width: 260px; height: 54px; padding: 0 18px 0 20px; font-size: 14px; }

.site-footer { min-height: 480px; display: grid; grid-template-columns: 360px 1fr; grid-template-rows: 1fr 66px; gap: 0 74px; padding: 67px 64px 0; background: #111619; color: white; }
.brand.inverse { color: #e7ecee; }
.footer-brand > p { max-width: 340px; margin: 25px 0 0; color: #aeb9be; font-size: 14.5px; line-height: 1.6; }
.footer-email { width: max-content; display: flex; align-items: center; gap: 24px; margin-top: 28px; padding-bottom: 10px; border-bottom: 1px solid #526771; color: #dfe5e8; font-family: var(--display); font-size: 14px; }
.footer-email span { color: #7fa9bf; }
.footer-nav { display: grid; grid-template-columns: 1.15fr 1fr .9fr .7fr; gap: 32px; }
.footer-nav div { display: flex; flex-direction: column; gap: 15px; }
.footer-nav small { margin-bottom: 7px; color: #738a96; font-family: var(--mono); font-size: 10px; letter-spacing: .09em; }
.footer-nav a { color: #bdc6ca; font-size: 14.5px; }
.footer-base { grid-column: 1/-1; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--border-dark); color: #7f8c92; font-family: var(--mono); font-size: 10px; letter-spacing: .06em; }

/* Solution detail */
.detail-hero { min-height: 690px; display: grid; grid-template-columns: 54% 46%; background: var(--titanium); }
.detail-hero .hero-copy { padding-top: 70px; }
.detail-hero h1 { max-width: 690px; font-size: 61px; }
.detail-stage { padding: 44px 48px; color: white; background: var(--stage); }
.detail-stage h2 { margin-top: 58px; color: #edf1f3; font-size: 36px; }
.detail-stage h2 em { display: block; color: #aeb9be; }
.definition-grid { margin-top: 34px; border-top: 1px solid #41525b; }
.definition-grid div { min-height: 72px; display: grid; grid-template-columns: 155px 1fr; align-items: center; gap: 18px; border-bottom: 1px solid rgba(174,194,204,.17); }
.definition-grid dt { color: #81a8bb; font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; }
.definition-grid dd { margin: 0; color: #d5dde0; font-size: 15px; line-height: 1.4; }

.split-section { display: grid; grid-template-columns: 42% 58%; }
.split-copy { padding: 86px 56px 72px 64px; border-right: 1px solid var(--border); }
.split-copy h2 { margin-top: 26px; }
.split-copy .body-lead { margin-top: 27px; }
.context-fields { padding: 64px 58px; background: linear-gradient(145deg, #eef1f2, #dfe5e8); }
.context-fields > small { color: var(--blue); font-family: var(--mono); font-size: 11px; letter-spacing: .08em; }
.context-fields dl { margin: 30px 0 0; border-top: 1px solid #aebbc1; }
.context-fields dl div { min-height: 88px; display: grid; grid-template-columns: 176px 1fr; align-items: center; gap: 24px; border-bottom: 1px solid #bcc7cc; }
.context-fields dt { color: #63747d; font-family: var(--mono); font-size: 12px; text-transform: uppercase; }
.context-fields dd { margin: 0; color: #35434a; font-size: 17px; line-height: 1.45; }

.requirements-section { padding: 82px 64px 76px; background: var(--graphite); color: white; }
.requirements-intro { display: grid; grid-template-columns: 205px 1fr 380px; gap: 48px; align-items: end; padding: 28px 0 38px; border-bottom: 1px solid var(--border-dark); }
.requirements-intro h2, .requirements-intro p { margin-bottom: 0; }
.requirements-intro h2 { color: #edf1f3; }
.requirements-intro h2 em { color: #aeb9be; }
.requirements-intro > p { color: #b9c3c8; font-size: 15.5px; line-height: 1.62; }
.requirements-matrix { display: grid; grid-template-columns: 1fr 1fr; }
.requirement { min-height: 190px; display: grid; grid-template-columns: 65px 1fr; gap: 18px; padding: 35px 34px 30px 0; border-bottom: 1px solid var(--border-dark); }
.requirement:nth-child(odd) { padding-right: 44px; border-right: 1px solid var(--border-dark); }
.requirement:nth-child(even) { padding-left: 44px; }
.requirement > span { color: #7fa8bb; font-family: var(--mono); font-size: 11px; }
.requirement small { color: #718c99; font-family: var(--mono); font-size: 12px; letter-spacing: .06em; }
.requirement h3 { margin: 11px 0 0; color: #edf1f3; font-size: 22px; font-weight: 600; }
.requirement p { margin: 12px 0 0; color: #aeb9be; font-size: 15.5px; line-height: 1.55; }

.hardware-direction { min-height: 690px; padding: 82px 64px 70px; background: var(--bright); }
.direction-rail { margin-top: 46px; border-top: 1px solid var(--border); }
.direction-row { min-height: 112px; display: grid; grid-template-columns: 70px 315px 1fr 120px; align-items: center; gap: 26px; border-bottom: 1px solid var(--border); }
.direction-row span { color: #6b8a9a; font-family: var(--mono); font-size: 11px; }
.direction-row strong { font-family: var(--display); font-size: 23px; font-weight: 610; }
.direction-row p { margin: 0; color: #526169; font-size: 15px; line-height: 1.5; }
.direction-row small { justify-self: end; color: #6f7e86; font-family: var(--mono); font-size: 10px; text-align: right; }

.evaluation-section { min-height: 790px; display: grid; grid-template-columns: 40% 60%; color: white; background: var(--stage); }
.evaluation-copy { padding: 92px 56px 70px 64px; border-right: 1px solid var(--border-dark); }
.evaluation-copy h2 { margin-top: 27px; color: #edf1f3; }
.evaluation-copy h2 em { color: #adb8bd; }
.evaluation-copy .body-lead { margin-top: 27px; color: #bdc7cc; }
.evaluation-path { position: relative; margin: 0; padding: 58px 58px 48px 86px; list-style: none; background: linear-gradient(145deg, #1d2529, #151a1e); }
.evaluation-path::before { content: ""; position: absolute; left: 61px; top: 86px; bottom: 79px; width: 2px; background: linear-gradient(#6d99af, #8ea9b6 55%, #4c7184); }
.evaluation-path li { position: relative; min-height: 108px; display: grid; grid-template-columns: 42px 1fr; gap: 18px; align-items: center; border-bottom: 1px solid rgba(174,195,205,.16); }
.evaluation-path li::before { content: ""; position: absolute; left: -32px; width: 14px; height: 14px; border: 2px solid #6e9aae; background: #192125; transform: rotate(45deg); }
.evaluation-path span { color: #80a8bc; font-family: var(--mono); font-size: 10px; }
.evaluation-path strong { display: block; font-size: 20px; font-weight: 610; }
.evaluation-path p { margin: 7px 0 0; color: #aeb9be; font-size: 15px; line-height: 1.45; }

.deployment-section { min-height: 580px; padding: 82px 64px 70px; background: var(--aluminum); }
.deployment-grid { margin-top: 46px; display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid #aebcc3; border-bottom: 1px solid #aebcc3; }
.deployment-grid article { min-height: 258px; padding: 38px 34px 32px 0; }
.deployment-grid article + article { padding-left: 34px; border-left: 1px solid #aebcc3; }
.deployment-grid span { color: var(--blue); font-family: var(--mono); font-size: 11px; }
.deployment-grid h3 { margin: 18px 0 0; font-size: 24px; font-weight: 610; }
.deployment-grid p { margin: 15px 0 0; color: #536169; font-size: 15px; line-height: 1.56; }

.related-section { padding: 82px 64px 70px; background: var(--bright); }
.related-list { margin-top: 45px; border-top: 1px solid var(--border); }
.related-row { min-height: 108px; display: grid; grid-template-columns: 65px 1fr 240px 50px; align-items: center; gap: 24px; border-bottom: 1px solid var(--border); }
.related-row span { color: #6c8b9c; font-family: var(--mono); font-size: 11px; }
.related-row strong { font-family: var(--display); font-size: 22px; font-weight: 610; }
.related-row small { color: #607079; font-size: 15px; }
.related-row b { justify-self: end; color: var(--blue); font-size: 20px; }

@media (max-width: 1100px) {
  .site-header { grid-template-columns: 170px 1fr 210px; padding-inline: 34px; }
  .desktop-nav { gap: 13px; font-size: 11.5px; }
  .header-action { width: 210px; }
  h1 { font-size: 54px; }
  .section-heading, .boundary-intro, .requirements-intro { grid-template-columns: 170px 1fr 320px; gap: 32px; }
  .workflow-row { grid-template-columns: 58px 250px 1fr 56px; gap: 18px; }
  .workflow-fields dd { font-size: 15.5px; }
}

@media (max-width: 900px) {
  .page-shell { width: 100%; max-width: 100%; box-shadow: none; }
  .site-header { height: 72px; grid-template-columns: 1fr 46px; padding: 0 20px 0 22px; }
  .brand { gap: 10px; }
  .brand-mark { width: 32px; height: 32px; }
  .brand-name { font-size: 16px; letter-spacing: .13em; }
  .desktop-nav, .header-action { display: none; }
  .mobile-menu { position: relative; z-index: 32; width: 42px; height: 42px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 7px; border: 1px solid var(--border); border-radius: 0; background: transparent; }
  .mobile-menu span { width: 19px; height: 2px; background: var(--graphite); }
  html.mobile-navigation-open,
  body.mobile-navigation-open { overflow: hidden; overscroll-behavior: none; }
  body.mobile-navigation-open { position: fixed; inset: 0; width: 100%; height: 100%; }
  body.mobile-navigation-open .site-header { position: fixed; z-index: 31; top: 0; left: 0; width: 100%; }
  body.mobile-navigation-open main,
  body.mobile-navigation-open .site-footer { visibility: hidden; pointer-events: none; user-select: none; }
  body.mobile-navigation-open .site-header > :not(.mobile-menu) { pointer-events: none; user-select: none; }
  .mobile-navigation {
    position: fixed;
    z-index: 30;
    inset: 72px 0 0;
    height: calc(100dvh - 72px);
    padding: 18px 22px 28px;
    display: grid;
    grid-auto-rows: min-content;
    align-content: start;
    overflow-x: hidden;
    overflow-y: auto;
    background: var(--titanium);
    border-top: 1px solid var(--border);
  }
  .mobile-navigation > a {
    min-height: 52px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border);
    color: var(--graphite);
    font-family: var(--display);
    font-size: 16px;
    font-weight: 620;
  }
  .mobile-navigation .mobile-navigation-action {
    min-height: 54px;
    margin-top: 18px;
    padding: 0 16px;
    justify-content: space-between;
    border-bottom: 0;
    border-left: 4px solid var(--blue);
    background: var(--graphite);
    color: white;
    font-size: 15px;
  }
  .mobile-navigation-action b { color: #72a3be; font-size: 18px; font-weight: 500; }

  .eyebrow, .section-kicker { font-size: 11.5px; line-height: 1.45; letter-spacing: .08em; }
  h1 { font-size: 42px; line-height: 1.025; }
  h2 { font-size: 34px; }
  .body-lead { font-size: 16px; line-height: 1.62; }
  .section-index { font-size: 10px; }

  .solutions-hero, .detail-hero { display: block; min-height: 0; }
  .hero-copy, .detail-hero .hero-copy { padding: 47px 22px 43px; }
  .hero-copy h1, .detail-hero h1 { margin-top: 22px; font-size: 42px; }
  .hero-copy .body-lead { margin-top: 22px; }
  .hero-copy .text-action { margin-top: 27px; }
  .working-line { margin-top: 34px; padding: 16px 0; display: block; }
  .working-line p { margin-top: 11px; font-size: 13.5px; line-height: 1.6; }
  .qualification-stage, .detail-stage { padding: 30px 22px 38px; }
  .qualification-stage h2, .detail-stage h2 { margin-top: 44px; font-size: 31px; }
  .signal-route { margin-top: 27px; padding: 0; }
  .signal-route li { min-height: 92px; grid-template-columns: 34px 1fr 18px; gap: 10px; padding: 12px 0; }
  .signal-route small { grid-column: 2; font-size: 12.5px; }
  .signal-route b { grid-column: 3; grid-row: 1 / span 2; }
  .stage-note { font-size: 15.5px; }

  .audience-model { display: block; min-height: 0; }
  .audience-label { padding: 34px 22px 30px; border-right: 0; border-bottom: 1px solid var(--border-dark); }
  .audience-label p { font-size: 15px; }
  .audience-model ul { display: block; }
  .audience-model li { min-height: 144px; padding: 29px 22px 25px; border-right: 0; border-bottom: 1px solid var(--border-dark); }
  .audience-model li strong { margin-top: 13px; font-size: 20px; }
  .audience-model li p { font-size: 15.5px; }

  .workflow-section, .boundary-section, .requirements-section, .hardware-direction, .deployment-section, .related-section { padding: 50px 22px 45px; }
  .section-heading, .boundary-intro, .requirements-intro { display: block; padding: 0 0 31px; }
  .section-heading h2, .boundary-intro h2, .requirements-intro h2 { margin-top: 28px; }
  .section-heading > p, .boundary-intro > p, .requirements-intro > p { margin-top: 23px; font-size: 16px; line-height: 1.6; }
  .workflow-row { min-height: 0; display: grid; grid-template-columns: 38px 1fr 30px; gap: 12px; padding: 30px 0; }
  .workflow-row > span { padding-top: 3px; }
  .workflow-title h3 { font-size: 23px; }
  .workflow-fields { grid-column: 1 / -1; grid-template-columns: 1fr; margin-top: 12px; border-left: 0; border-top: 1px solid var(--border-soft); }
  .workflow-fields div { min-height: 0; padding: 13px 0; border-right: 0; }
  .workflow-fields div:nth-last-child(-n+2) { border-bottom: 1px solid var(--border-soft); }
  .workflow-fields div:last-child { border-bottom: 0; }
  .workflow-fields dt { font-size: 12px; }
  .workflow-fields dd { font-size: 15.5px; }
  .workflow-link { grid-column: 3; grid-row: 1; }

  .selection-section, .evaluation-section { display: block; min-height: 0; }
  .selection-copy, .evaluation-copy { padding: 51px 22px 43px; border-right: 0; border-bottom: 1px solid var(--border-dark); }
  .selection-copy .selection-caption { margin-top: 31px; }
  .selection-path, .evaluation-path { padding: 31px 22px 34px 58px; }
  .selection-path::before, .evaluation-path::before { left: 31px; top: 57px; bottom: 61px; }
  .selection-path li, .evaluation-path li { min-height: 120px; grid-template-columns: 34px 1fr; gap: 13px; padding: 15px 0; }
  .selection-path li::before, .evaluation-path li::before { left: -33px; }
  .selection-path b { grid-column: 2; justify-self: start; margin-top: 6px; }
  .selection-path strong, .evaluation-path strong { font-size: 19px; }
  .selection-path p, .evaluation-path p { font-size: 15px; }

  .boundary-grid { display: block; }
  .boundary-column, .boundary-column + .boundary-column { min-height: 0; padding: 32px 0 22px; border-left: 0; }
  .boundary-column + .boundary-column { border-top: 1px solid var(--border); }
  .boundary-column h3 { font-size: 25px; }
  .boundary-column li { min-height: 68px; font-size: 15.5px; }
  .boundary-foot { display: block; font-size: 14px; line-height: 1.55; }
  .boundary-foot span { display: block; margin-top: 12px; }

  .cooperation-section { min-height: 0; display: block; padding: 46px 22px 49px; }
  .cooperation-meta { margin: 0; }
  .cooperation-copy h2 { margin-top: 27px; font-size: 36px; }
  .cooperation-action { margin-top: 30px; padding: 27px 0 0; border-left: 0; border-top: 1px solid var(--border); }
  .cooperation-action p { font-size: 16px; }
  .primary { width: 100%; font-size: 15px; }

  .site-footer { min-height: 0; display: block; padding: 48px 22px 0; }
  .footer-brand > p { font-size: 15px; }
  .footer-email { font-size: 14.5px; }
  .footer-nav { margin-top: 43px; grid-template-columns: 1fr 1fr; gap: 36px 22px; }
  .footer-nav small { font-size: 10px; }
  .footer-nav a { font-size: 14.5px; }
  .footer-base { min-height: 96px; margin-top: 47px; display: block; padding: 23px 0; font-size: 10px; line-height: 1.7; }
  .footer-base span { display: block; }

  .detail-stage { min-height: 560px; }
  .definition-grid div { min-height: 84px; grid-template-columns: 118px 1fr; gap: 12px; }
  .definition-grid dt { font-size: 11px; }
  .definition-grid dd { font-size: 15px; }
  .split-section { display: block; }
  .split-copy { padding: 51px 22px 43px; border-right: 0; border-bottom: 1px solid var(--border); }
  .context-fields { padding: 40px 22px; }
  .context-fields dl div { min-height: 96px; display: block; padding: 17px 0; }
  .context-fields dt { font-size: 12px; }
  .context-fields dd { margin-top: 9px; font-size: 16px; }
  .requirements-matrix { display: block; }
  .requirement, .requirement:nth-child(odd), .requirement:nth-child(even) { min-height: 0; grid-template-columns: 38px 1fr; padding: 29px 0; border-right: 0; }
  .requirement h3 { font-size: 21px; }
  .requirement p { font-size: 15px; }
  .direction-rail { margin-top: 32px; }
  .direction-row { min-height: 0; grid-template-columns: 38px 1fr; gap: 11px; padding: 26px 0; }
  .direction-row strong { font-size: 21px; }
  .direction-row p, .direction-row small { grid-column: 2; justify-self: start; text-align: left; }
  .direction-row p { font-size: 15.5px; }
  .deployment-grid { display: block; margin-top: 32px; }
  .deployment-grid article, .deployment-grid article + article { min-height: 0; padding: 29px 0; border-left: 0; border-bottom: 1px solid #aebcc3; }
  .deployment-grid article:last-child { border-bottom: 0; }
  .deployment-grid h3 { font-size: 22px; }
  .deployment-grid p { font-size: 15.5px; }
  .related-list { margin-top: 32px; }
  .related-row { min-height: 116px; grid-template-columns: 36px 1fr 26px; gap: 12px; padding: 19px 0; }
  .related-row strong { font-size: 20px; }
  .related-row small { grid-column: 2; font-size: 14px; }
  .related-row b { grid-column: 3; grid-row: 1 / span 2; }
}