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@media(max-width:820px){.in-shell{width:min(100% - 28px,1180px)}.in-main-nav,.in-header-cta{display:none}.in-menu-toggle{display:block}.in-mobile-nav{position:absolute;left:0;right:0;top:76px;background:#fff;border-bottom:1px solid #dce6eb;padding:10px 14px;box-shadow:0 15px 30px rgba(7,26,51,.08)}.in-mobile-nav.is-open{display:grid}.in-mobile-nav a{padding:11px 8px;text-decoration:none;font-weight:800}.in-anchor{top:76px}.in-proof-grid{grid-template-columns:1fr 1fr}.in-proof-grid>div:nth-child(2){border-right:0}.in-proof-grid>div:nth-child(-n+2){border-bottom:1px solid #e5edf2}.in-mode{grid-template-columns:1fr}.in-three{grid-template-columns:1fr 1fr}.in-product-card dl{grid-template-columns:1fr 1fr}.in-reference-grid{grid-template-columns:1fr}.in-footer-grid{grid-template-columns:1fr 1fr}.in-footer-grid>div:last-child{grid-column:auto}.in-footer-brand{grid-column:1/3}.in-footer-bottom{display:grid}.in-footer-bottom span:last-child{text-align:left}.in-hero h1{font-size:clamp(2.5rem,9vw,4.4rem)}}
@media(max-width:620px){.in-shell{width:min(100% - 20px,1180px)}.in-header-inner{min-height:68px}.in-header{top:0}.in-anchor{top:68px}.in-logo img{width:165px}.in-hero-grid{padding-block:38px}.in-hero h1{font-size:2.55rem}.in-lead{font-size:.95rem}.in-hero-actions{display:grid}.in-btn{width:100%}.in-thermal-scene{padding:15px;border-radius:20px}.in-layer-stage{height:135px}.in-scene-head b{display:none}.in-scene-metrics{grid-template-columns:1fr}.in-scene-order strong{font-size:1.8rem}.in-proof-grid{grid-template-columns:1fr}.in-proof-grid>div{border-right:0;border-bottom:1px solid #e5edf2}.in-proof-grid>div:last-child{border-bottom:0}.in-calculator,.in-section,.in-related{padding:48px 0}.in-form{padding:14px;border-radius:16px}.in-two,.in-three{grid-template-columns:1fr}.in-field-half{max-width:none}.in-product-card dl{grid-template-columns:1fr 1fr}.in-project-row{grid-template-columns:34px minmax(0,1fr) 40px}.in-project-row label:nth-of-type(2){grid-column:2/4}.in-project-row .project-remove{grid-column:3;grid-row:1}.in-result-ticket{padding:17px}.in-result-grid,.in-result-thermal,.in-compare-cards{grid-template-columns:1fr}.in-result-primary strong{font-size:3.15rem}.in-data-callout{display:grid}.in-related-grid{grid-template-columns:1fr}.in-footer-grid{grid-template-columns:1fr}.in-footer-brand{grid-column:auto}.in-footer-grid>div:last-child{grid-column:auto}.in-u-grid{gap:28px}.in-u-visual{min-height:230px}.in-trust{gap:6px}.in-trust li{font-size:.67rem}.in-hero-watermark{font-size:80px;right:-40px;top:150px}}
@media(max-width:360px){.in-hero h1{font-size:2.22rem}.in-shell{width:min(100% - 16px,1180px)}.in-result-primary strong{font-size:2.75rem}.in-product-card dl{grid-template-columns:1fr}.in-project-row{grid-template-columns:30px minmax(0,1fr) 38px}.in-anchor-scroll{gap:18px}.in-mode button{min-height:58px}.in-scene-order strong{font-size:1.65rem}}
@media print{.in-header,.in-anchor,.in-hero,.in-proof,.in-form,.in-footer,.in-related,.in-section{display:none!important}.in-calculator{padding:0}.in-workbench{display:block}.in-result-rail{position:static}.in-result-ticket{box-shadow:none;border:1px solid #999}.in-result-actions{display:none}}

/* ==========================================================================
   V-NEXT #12 FINAL AUTHORITY + HERO DISTINCTIVENESS POLISH
   ========================================================================== */
.in-hero:after{
  content:"";
  position:absolute;
  right:-90px;
  top:-115px;
  width:430px;
  height:430px;
  border:1px solid rgba(19,168,216,.14);
  border-radius:50%;
  box-shadow:0 0 0 62px rgba(19,168,216,.025),0 0 0 124px rgba(52,213,122,.018);
  pointer-events:none;
}
.in-hero-blueprint-bg{
  position:absolute;
  z-index:0;
  right:-1.5%;
  top:8%;
  width:min(56vw,860px);
  height:78%;
  opacity:.18;
  color:#0d3b66;
  pointer-events:none;
  transform:rotate(-3deg);
}
.in-hero-blueprint-bg:before{
  content:"";
  position:absolute;
  inset:4% 0 2% 4%;
  border:1px solid rgba(13,59,102,.32);
  border-radius:24px;
  background:
    linear-gradient(90deg,transparent 0 18%,rgba(13,59,102,.09) 18% 18.25%,transparent 18.25% 47%,rgba(13,59,102,.09) 47% 47.25%,transparent 47.25%),
    linear-gradient(0deg,transparent 0 26%,rgba(13,59,102,.08) 26% 26.3%,transparent 26.3% 67%,rgba(13,59,102,.08) 67% 67.3%,transparent 67.3%);
}
.in-bp-id{position:absolute;left:9%;top:8%;font:900 .72rem/1 Inter,system-ui,sans-serif;letter-spacing:.18em;color:#057cac}
.in-hero-blueprint-bg>strong{position:absolute;right:3%;top:16%;font:900 clamp(3.8rem,7.3vw,7.5rem)/.83 Inter,system-ui,sans-serif;letter-spacing:-.07em;color:#0d3b66;text-align:right;max-width:690px}
.in-hero-blueprint-bg>em{position:absolute;right:7%;bottom:9%;font:800 clamp(1.5rem,3vw,3rem)/1 Georgia,serif;font-style:italic;color:#078c48}
.in-bp-section{position:absolute;left:17%;top:34%;width:46%;height:38%;display:grid;grid-template-columns:1fr .85fr 1.05fr;border:1px solid rgba(13,59,102,.28)}
.in-bp-section i{display:block;border-right:1px solid rgba(13,59,102,.28);background:repeating-linear-gradient(135deg,rgba(13,59,102,.07) 0 6px,transparent 6px 13px)}
.in-bp-section i:nth-child(2){background:linear-gradient(180deg,rgba(52,213,122,.36),rgba(19,168,216,.18));border-left:2px solid rgba(52,213,122,.65);border-right:2px solid rgba(52,213,122,.65)}
.in-bp-section i:last-child{border-right:0;background:rgba(255,255,255,.2)}
.in-bp-flux{position:absolute;left:10%;top:46%;width:62%;height:22%}
.in-bp-flux i{position:absolute;left:0;width:100%;height:1px;background:linear-gradient(90deg,rgba(255,138,36,.7),rgba(19,168,216,.8));}
.in-bp-flux i:after{content:"";position:absolute;right:-1px;top:-4px;border-left:8px solid rgba(19,168,216,.8);border-top:4px solid transparent;border-bottom:4px solid transparent}
.in-bp-flux i:nth-child(1){top:0}.in-bp-flux i:nth-child(2){top:50%;width:88%;left:6%}.in-bp-flux i:nth-child(3){bottom:0;width:76%;left:12%}
.in-bp-dimension{position:absolute;left:52%;top:28%;height:52%;width:38px;border-left:1px solid rgba(13,59,102,.55)}
.in-bp-dimension:before,.in-bp-dimension:after{content:"";position:absolute;left:-7px;width:14px;height:1px;background:rgba(13,59,102,.65)}
.in-bp-dimension:before{top:0}.in-bp-dimension:after{bottom:0}
.in-bp-dimension span{position:absolute;left:8px;top:45%;font:900 1rem/1 Inter,system-ui,sans-serif;color:#078c48}
.in-bp-contours{position:absolute;right:2%;bottom:4%;width:34%;height:42%;overflow:hidden}
.in-bp-contours i{position:absolute;right:-36%;bottom:-55%;border:1px solid rgba(19,168,216,.42);border-radius:50%;width:220px;height:220px}
.in-bp-contours i:nth-child(2){width:300px;height:300px;right:-50%;bottom:-77%}.in-bp-contours i:nth-child(3){width:380px;height:380px;right:-64%;bottom:-100%;border-color:rgba(52,213,122,.34)}
.in-hero-grid{z-index:2}

.in-use-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:26px}
.in-use-grid article{position:relative;padding:22px;border:1px solid #d7e4eb;border-radius:18px;background:#fbfdfe;overflow:hidden}
.in-use-grid article:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--in-cyan),var(--in-green))}
.in-use-grid span,.in-scenario-grid span,.in-mistake-grid>article>span{font-size:.64rem;letter-spacing:.1em;font-weight:900;color:#087bb2}
.in-use-grid strong{display:block;margin-top:8px;font-size:1.05rem;color:#12364f;line-height:1.25}
.in-use-grid p{margin:8px 0 12px;color:#667d8f;font-size:.82rem}
.in-use-grid a{font-size:.74rem;font-weight:850;color:#087bb2;text-decoration:none}
.in-selection-note{display:grid;grid-template-columns:auto 1fr;gap:14px;margin-top:14px;padding:16px 18px;border:1px solid #bfe7d0;border-radius:16px;background:linear-gradient(90deg,#eefaf3,#f8fcfd);color:#31596a;font-size:.82rem}
.in-selection-note strong{color:#087c49;white-space:nowrap}.in-selection-note b{color:#12364f}

.in-scenario-feature{display:grid;grid-template-columns:.92fr 1.08fr;gap:22px;align-items:center;margin-top:26px;padding:24px;border:1px solid #d1e3ec;border-radius:20px;background:#fff;box-shadow:0 18px 44px rgba(7,26,51,.05)}
.in-scenario-copy>span{font-size:.65rem;letter-spacing:.1em;font-weight:900;color:#078c48}.in-scenario-copy h3{margin:7px 0 8px;color:#0a2947;font-size:1.55rem;letter-spacing:-.035em}.in-scenario-copy p{margin:0;color:#647b8c;font-size:.83rem}
.in-scenario-compare{display:grid;grid-template-columns:1fr 40px 1fr;gap:10px;align-items:center}.in-scenario-compare article{padding:18px;border:1px solid #d9e5eb;border-radius:16px;background:#f8fbfc}.in-scenario-compare article.is-highlight{border-color:#a5dfbd;background:linear-gradient(180deg,#f4fcf7,#edf8f2)}.in-scenario-compare span{display:block;font-size:.7rem;font-weight:900;color:#526d80}.in-scenario-compare strong{display:block;margin-top:4px;font-size:1.75rem;color:#0a2947}.in-scenario-compare small{display:block;color:#6f8494}.in-scenario-compare b{display:inline-block;margin-top:10px;padding:5px 8px;border-radius:8px;background:#e8f4f8;color:#087bb2;font-size:.72rem}.in-scenario-arrow{text-align:center;color:#0e9f72;font-size:1.6rem;font-weight:900}
.in-scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:12px}.in-scenario-grid article{padding:18px;border:1px solid #d7e4eb;border-radius:16px;background:#fff}.in-scenario-grid strong{display:block;margin:7px 0 5px;color:#0a2947;font-size:1.35rem}.in-scenario-grid p{margin:0;color:#667d8f;font-size:.76rem}

.in-mistakes-section{background:linear-gradient(180deg,#fff 0%,#f7fafb 100%)}
.in-mistake-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}.in-mistake-grid>article{padding:19px;border:1px solid #d8e4ea;border-radius:16px;background:#fff}.in-mistake-grid>article>span{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:#edf6f9}.in-mistake-grid strong{display:block;margin-top:10px;color:#12364f;font-size:.95rem}.in-mistake-grid p{margin:6px 0 0;color:#6a7f90;font-size:.76rem}.in-mistake-grid .in-mistake-check{background:#071e37;border-color:#071e37;color:#fff}.in-mistake-grid .in-mistake-check>span{background:rgba(52,213,122,.14);color:#61e29a}.in-mistake-grid .in-mistake-check strong{color:#fff}.in-mistake-grid ol{margin:9px 0 0;padding-left:20px;color:#c7d7e2;font-size:.74rem}.in-mistake-grid li+li{margin-top:4px}

@media(max-width:1180px){.in-hero-blueprint-bg{width:72vw;right:-8%;opacity:.12}.in-use-grid{grid-template-columns:1fr 1fr}.in-scenario-feature{grid-template-columns:1fr}.in-mistake-grid{grid-template-columns:1fr 1fr}}
@media(max-width:820px){.in-hero-blueprint-bg{right:-25%;top:12%;width:100vw;height:68%;opacity:.09}.in-bp-id,.in-hero-blueprint-bg>em{display:none}.in-use-grid,.in-scenario-grid{grid-template-columns:1fr}.in-scenario-compare{grid-template-columns:1fr 34px 1fr}.in-mistake-grid{grid-template-columns:1fr 1fr}.in-selection-note{grid-template-columns:1fr;gap:5px}.in-selection-note strong{white-space:normal}}
@media(max-width:620px){.in-hero-blueprint-bg{display:none}.in-use-grid,.in-mistake-grid{grid-template-columns:1fr}.in-scenario-feature{padding:16px}.in-scenario-compare{grid-template-columns:1fr}.in-scenario-arrow{transform:rotate(90deg)}.in-selection-note{padding:14px}.in-use-grid article{padding:18px}}

/* ==========================================================================
   V-NEXT #12 ACCESSIBILITY / AGENT TREE FIX — 2026-08-18
   ========================================================================== */
:root{--in-muted-a11y:#536b7d;--in-muted-strong:#486176;--in-cyan-text:#07779d;--in-green-text:#06773e}
.in-breadcrumb,.in-scene-head b,.in-scene-metrics span,.in-thermal-scene>p,.in-proof-grid small,.in-mode button small,.in-step-head small,.in-field small,.in-product-card p,.in-product-card dd,.in-result-grid span,.in-result-row>small,.in-compare-cards span,.in-compare-cards small,.in-reference-grid p,.in-data-callout p,.in-method-cards p,.in-faq-list p,.in-related-grid p,.in-use-grid p,.in-scenario-copy p,.in-scenario-compare small,.in-scenario-grid p,.in-mistake-grid p{color:var(--in-muted-a11y)}
.in-method-cards span,.in-reference-grid article>span,.in-use-grid span,.in-scenario-grid span,.in-mistake-grid>article>span{color:var(--in-cyan-text)}
.in-main-nav a[aria-current="page"],.in-result-row>strong,.in-compare-cards b{color:var(--in-green-text)}
.in-mode button.is-active small{color:#c9dae7}
.in-anchor a{min-height:44px;display:inline-flex;align-items:center;padding-block:0}
.in-breadcrumb a,.in-reference-grid a,.in-text-link,.in-data-callout a{display:inline-flex;align-items:center;min-height:28px}
.in-footer a{min-height:30px;display:flex;align-items:center;margin:2px 0}
.in-socials a{width:44px;height:44px}
.in-result-actions button{min-height:44px}
.in-faq-list summary{min-height:44px;display:flex;align-items:center}
.in-main-nav a{min-height:44px;display:inline-flex;align-items:center}
.in-page a:focus-visible,.in-page button:focus-visible,.in-page summary:focus-visible,.in-mode [role="tab"]:focus-visible{outline:3px solid rgba(7,119,157,.34);outline-offset:3px}
.in-mode [role="tab"]{min-height:62px}

/* RV V-next contrast preflight hardening — 2026-08-20 */
.in-unit b{color:#4d6577}
.in-result-top small{color:#526879}
.in-result-primary>span{color:#4f687a}
.in-eyebrow{color:#06698c}
.in-section-head p:not(.in-eyebrow){color:#536b7d}
.in-scenario-copy>span{color:#06773e}
.in-scenario-compare b{color:#06698c}