/* Shared across KairoNull public pages and the React homepage. */
@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/fonts/rP2tp2ywxg089UriI5-g4vlH9VoD8CmcqZG40F9JadbnoEwAopxhTg.ttf) format('truetype');
}
@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/fonts/rP2tp2ywxg089UriI5-g4vlH9VoD8CmcqZG40F9JadbnoEwAkJxhTg.ttf) format('truetype');
}
@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/fonts/rP2tp2ywxg089UriI5-g4vlH9VoD8CmcqZG40F9JadbnoEwAfJthTg.ttf) format('truetype');
}
@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/fonts/rP2tp2ywxg089UriI5-g4vlH9VoD8CmcqZG40F9JadbnoEwARZthTg.ttf) format('truetype');
}
@font-face {
  font-family: 'DM Serif Display';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url(/fonts/-nFhOHM81r4j6k0gjAW3mujVU2B2G_Vx1w.ttf) format('truetype');
}
@font-face {
  font-family: 'DM Serif Display';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/fonts/-nFnOHM81r4j6k0gjAW3mujVU2B2K_c.ttf) format('truetype');
}

:root{color-scheme:dark;--kn-bg:#090e10;--kn-surface:#111b1e;--kn-raised:#142125;--kn-ivory:#f4efe5;--kn-muted:#b6b8b3;--kn-gold:#e8bf73;--kn-teal:#51c5c0;--kn-border:#344346}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{background:var(--kn-bg);color:var(--kn-ivory);font-family:'DM Sans',system-ui,sans-serif;line-height:1.65}
h1,h2,.display-heading,.light-display{font-family:'DM Serif Display',Georgia,serif!important;font-weight:400!important;letter-spacing:-.025em;line-height:1.12}
h1{font-size:clamp(2.4rem,5.5vw,4.5rem)}
h2{font-size:clamp(1.8rem,3.5vw,2.7rem)}
p,li{overflow-wrap:anywhere}
a{color:var(--kn-teal);text-underline-offset:4px}
a:hover{color:var(--kn-gold)}
:focus-visible{outline:2px solid var(--kn-teal)!important;outline-offset:4px}
::selection{background:var(--kn-gold);color:var(--kn-bg)}
.section-light,.section-light-raised{background:var(--kn-bg);color:var(--kn-ivory)}
.light-body{color:var(--kn-muted)}
.light-display{color:var(--kn-ivory)}
.section-label,.light-eyebrow,.tag{color:var(--kn-gold);font-size:12px;letter-spacing:.2em}
.section-divider{background:linear-gradient(90deg,transparent,var(--kn-gold),transparent);opacity:.3}
.btn-amber,.btn-teal,.nav-btn,button[type=submit]{background:var(--kn-gold)!important;color:var(--kn-bg)!important;border:1px solid var(--kn-gold);border-radius:4px;min-height:44px;font-size:13px;display:inline-flex;align-items:center;justify-content:center;line-height:1.4}
.btn-amber:hover,.btn-teal:hover,.nav-btn:hover,button[type=submit]:hover{background:#f2cf93!important;color:var(--kn-bg)!important}
.btn-ghost,.btn-ghost-light{color:var(--kn-ivory);border-color:var(--kn-border);min-height:44px;font-size:13px;display:inline-flex;align-items:center;justify-content:center}
.btn-ghost:hover,.btn-ghost-light:hover{border-color:var(--kn-gold);color:var(--kn-gold)}
nav a.nav-link{font-size:12px;min-height:36px;display:inline-flex;align-items:center}
footer p,footer a,.footer-links a{font-size:12px!important;color:var(--kn-muted)}
footer{border-color:var(--kn-border)}
input,select,textarea{color:var(--kn-ivory);background:var(--kn-surface);border-color:var(--kn-border);font-size:16px}
input::placeholder,textarea::placeholder{color:var(--kn-muted);opacity:1}
input[type=checkbox],input[type=radio]{accent-color:var(--kn-gold)}
pre{max-width:100%;overflow:auto;tab-size:2}
code{overflow-wrap:anywhere}
img,svg{max-width:100%}
.tier-name,.tier-desc{color:var(--kn-muted)}
.tier.featured{border-color:var(--kn-gold);background:var(--kn-raised)}
.tier-badge{background:var(--kn-gold);color:var(--kn-bg)}
.kn-hero{padding:150px 24px 80px;position:relative;overflow:hidden;background:radial-gradient(ellipse at 85% 60%,#14282a 0,transparent 55%),var(--kn-bg)}
.kn-hero-inner{max-width:1280px;margin:auto;display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.kn-hero h1{font-size:clamp(3rem,5.5vw,5.8rem);margin:22px 0}
.kn-hero h1 em{font-style:normal;color:var(--kn-gold)}
.kn-hero p{font-size:18px;color:var(--kn-muted);max-width:52ch}
.kn-eyebrow{font-size:12px!important;letter-spacing:.23em;text-transform:uppercase;color:var(--kn-gold)!important}
.kn-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:30px}
.kn-architecture{width:100%;height:auto;display:block}
.kn-chain{max-width:1280px;margin:48px auto 0;border-top:1px solid var(--kn-border);padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--kn-teal);letter-spacing:.16em;font-size:14px}
.kn-assessment{padding:80px 24px;background:var(--kn-surface);border-block:1px solid var(--kn-border)}
.kn-wrap{max-width:1280px;margin:auto}
.kn-assessment h2{margin:16px 0 24px}
.kn-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:32px 0}
.kn-card{padding:28px;border:1px solid var(--kn-border);border-radius:6px;background:var(--kn-bg)}
.kn-card strong{font-size:18px;display:block;margin:12px 0}
.kn-card p{color:var(--kn-muted);font-size:16px}
.kn-number{color:var(--kn-gold);font-size:13px;letter-spacing:.15em}
@media(max-width:800px){.kn-hero{padding-top:120px}.kn-hero-inner{grid-template-columns:1fr;gap:16px}.kn-architecture{max-height:380px}.kn-cards{grid-template-columns:1fr}.kn-chain{justify-content:flex-start;gap:20px}.kn-hero p{font-size:16px}nav>div{padding-inline:16px!important}table{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.grain-overlay::before{display:none}}

@media(prefers-reduced-motion:reduce){.opacity-0{opacity:1!important;transform:none!important}}

.code-block pre .comment{color:var(--kn-muted)}
.code-block pre .str{color:#86d6b4}
header a[aria-label="KairoNull home"]>span{font-weight:500;letter-spacing:.2em;text-transform:uppercase}
/* Cinematic reference design: real architectural artwork, full-bleed composition. */
:root{--kn-bg:#080d0f;--kn-surface:#0c1215;--kn-border:#393b32;--kn-teal:#1da4b1}
.kn-wrap,.kn-hero-inner{max-width:1290px;margin-inline:auto}
.kn-hero{padding:155px 5.3% 0;min-height:790px;background:#080d0f url('/images/hero-architecture-v2.webp') center center/cover no-repeat;display:flex;flex-direction:column;justify-content:space-between}
.kn-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,8,10,.45),transparent 60%);pointer-events:none}
.kn-hero-inner{display:block;width:100%;position:relative;z-index:1}
.kn-hero-copy{max-width:700px}
.kn-hero h1{font-size:clamp(3.5rem,5.8vw,5.4rem);line-height:1.03;letter-spacing:-.04em;margin:28px 0 26px;text-shadow:0 2px 15px #0008}
.kn-hero p.kn-eyebrow{font-size:11px!important;color:var(--kn-ivory)!important;letter-spacing:.34em}
.kn-hero p.kn-hero-description{max-width:430px;font-size:21px;color:#d5d5ce;line-height:1.4}
.kn-actions{gap:22px;margin-top:36px}
.kn-actions a{padding:14px 30px;font-size:15px;font-weight:600;text-decoration:none;min-height:52px}
.kn-actions .btn-ghost{border:1px solid #e2e1d4;border-radius:4px;background:#070c0e80}
.kn-chain{position:relative;z-index:1;border:0;padding:40px 0 28px;margin:0 auto;max-width:1290px;width:100%;justify-content:center;align-items:center;flex-wrap:nowrap;gap:20px;font-size:17px;letter-spacing:.13em}
.kn-chain::before,.kn-chain::after{content:'';height:1px;background:linear-gradient(90deg,var(--kn-gold),#e8bf7340);flex:1;min-width:20px}
.kn-chain::after{transform:rotate(180deg)}
.kn-chain i{width:6px;height:6px;border-radius:50%;background:var(--kn-teal);flex-shrink:0}
.kn-assessment{padding:56px 5.3% 30px;background:radial-gradient(ellipse at 40% 10%,#111b1c55,transparent 80%),#0b1113;border-block:1px solid #e8bf7325}
.kn-assessment h2{font-size:clamp(2.2rem,4.4vw,4rem);margin:0 0 18px;line-height:1.12}
.kn-assessment>.kn-wrap>.kn-eyebrow{color:var(--kn-ivory)!important;font-size:11px!important;letter-spacing:.35em}
.kn-cards{gap:20px;margin:30px 0 36px}
.kn-card{position:relative;background:#080d0f45;border:1px solid #e8bf7345;border-radius:4px;padding:24px 30px 28px;box-shadow:inset 0 1px 0 #e8bf7310}
.kn-card::after{content:'';position:absolute;top:32px;right:30px;width:11px;height:11px;border-radius:50%;background:var(--kn-teal)}
.kn-number{display:flex;align-items:center;gap:18px;font-size:18px;letter-spacing:.05em}
.kn-number::after{content:'';height:1px;width:75px;background:var(--kn-gold)}
.kn-card h3{font:400 clamp(1.5rem,2.3vw,2rem)/1.15 'DM Serif Display',Georgia,serif;margin:18px 0 14px;letter-spacing:-.025em;color:var(--kn-ivory)}
.kn-card p{font-size:17px;line-height:1.45;color:#c4c7c3}
.kn-evidence-support{border:1px solid #e8bf7345;border-radius:4px;padding:36px 40px 20px;background:#080d0f40;scroll-margin-top:100px}
.kn-evidence-support h2{font-size:clamp(2.1rem,4vw,3.7rem);margin:0 0 30px}
.kn-evidence-support dl>div{display:grid;grid-template-columns:28% 1fr;border-top:1px solid #e8bf7330;padding:22px 10px;align-items:center}
.kn-evidence-support dl>div:last-child{border-bottom:1px solid #e8bf7330}
.kn-evidence-support dt{color:var(--kn-gold);font-weight:600;font-size:14px;letter-spacing:.3em;border-right:1px solid #e8bf7360}
.kn-evidence-support dd{margin:0;padding-left:70px;font-size:16px;color:#c4c7c3}
.kn-more{background:#0b1113}.kn-more>summary,.kn-contact-details>summary{color:#acb5b0;font-size:12px;padding:16px 5.3%;cursor:pointer;border-bottom:1px solid #e8bf7320;letter-spacing:.08em}
.kn-conversation{background:linear-gradient(90deg,#080d0fee 40%,#080d0f30),url('/images/hero-architecture-v2.webp') center 36%/cover;border-block:1px solid #e8bf7325;padding:40px 5.3%}
.kn-conversation .kn-wrap{display:flex;justify-content:space-between;align-items:center;gap:30px}
.kn-conversation h2{font-size:clamp(2rem,3.8vw,3.4rem)}
.kn-conversation a{padding:14px 30px;font-weight:600;text-decoration:none}
.kn-nav-clear{background:transparent;border:0}.kn-main-nav>a{font-size:13px;color:var(--kn-ivory);padding:10px 16px;text-decoration:none;white-space:nowrap}
.kn-nav-book{color:var(--kn-gold);border:1px solid var(--kn-gold);border-radius:4px;min-height:44px;background:#080d0f80}
header a[aria-label="KairoNull home"]>span,.kn-wordmark{font-family:'DM Sans',sans-serif;font-size:27px;font-weight:400;letter-spacing:.22em;color:var(--kn-ivory)}
.kn-wordmark span{color:var(--kn-gold)}
.kn-footer-bar{padding:28px 0 42px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.kn-footer-domain{font-size:13px;letter-spacing:.2em;color:var(--kn-ivory);display:flex;align-items:center;gap:24px;flex:1;justify-content:center}
.kn-footer-domain::before,.kn-footer-domain::after{content:'';height:1px;width:20%;background:linear-gradient(90deg,transparent,var(--kn-gold))}
.kn-footer-domain::after{transform:rotate(180deg)}
.kn-footer-bar nav{display:flex;gap:24px}.kn-footer-bar a{text-decoration:none}
@media(min-width:1700px){.kn-hero{min-height:880px}}
@media(max-width:1100px) and (min-width:801px){.kn-main-nav>a{padding-inline:8px;font-size:11px}header a[aria-label="KairoNull home"]>span{font-size:22px}.kn-hero{min-height:700px}.kn-hero h1{font-size:64px}.kn-hero-copy{max-width:600px}.kn-card{padding:22px}}
@media(max-width:800px){
 .kn-hero{min-height:950px;padding:110px 24px 0;background-size:auto 690px;background-position:65% bottom;background-color:#080d0f}
 .kn-hero::before{background:linear-gradient(180deg,#080d0f 0%,#080d0fec 27%,#080d0f70 51%,transparent 74%)}
 .kn-hero-copy{max-width:560px}.kn-hero h1{font-size:clamp(42px,7.4vw,62px);line-height:1.07;margin:22px 0}.kn-desktop-break{display:none}
 .kn-hero p.kn-eyebrow{font-size:9px!important;letter-spacing:.24em}.kn-hero p.kn-hero-description{font-size:17px;max-width:340px}
 .kn-actions{gap:12px;margin-top:28px}.kn-actions a{padding:12px 16px;font-size:13px;min-height:46px}
 .kn-chain{gap:9px;padding:24px 0;font-size:11px;letter-spacing:.08em}.kn-chain i{width:4px;height:4px}.kn-chain::before,.kn-chain::after{min-width:8px}
 .kn-assessment{padding:42px 24px 30px}.kn-assessment h2{font-size:36px}.kn-assessment>.kn-wrap>.kn-eyebrow{font-size:9px!important;letter-spacing:.22em}
 .kn-cards{grid-template-columns:1fr;gap:16px}.kn-card{padding:24px}.kn-card h3{font-size:28px}.kn-card p{font-size:16px}
 .kn-evidence-support{padding:26px 22px 18px}.kn-evidence-support h2{font-size:33px}.kn-evidence-support dl>div{grid-template-columns:1fr;gap:12px;padding:18px 0}.kn-evidence-support dt{border:0;font-size:12px}.kn-evidence-support dd{padding:0;font-size:15px}
 .kn-conversation{padding:32px 24px}.kn-conversation .kn-wrap{align-items:flex-start;flex-direction:column;gap:24px}.kn-conversation h2{font-size:34px}
 header a[aria-label="KairoNull home"]>span{font-size:20px}.kn-footer-bar{padding:28px 24px;flex-wrap:wrap}.kn-wordmark{font-size:21px}.kn-footer-domain{display:none}.kn-footer-bar nav{gap:18px;flex-wrap:wrap}
}
.kn-hero-inner{margin:0 auto}
.kn-hero-copy{max-width:740px}
.kn-hero p.kn-eyebrow{max-width:none}
.kn-footer-bar a.kn-wordmark{font-size:25px!important;color:var(--kn-ivory)!important}
@media(max-width:800px){.kn-hero-copy{max-width:560px}.kn-hero::before{background:linear-gradient(180deg,#080d0f 0%,#080d0feb 38%,#080d0f80 57%,transparent 78%)}.kn-footer-bar a.kn-wordmark{font-size:21px!important}}
/* Shared inner-page shell, matching the homepage navigation and footer. */
.kn-site-header{position:sticky!important;top:0!important;z-index:300!important;height:auto!important;background:#080d0ff5!important;border-bottom:1px solid #e8bf7330!important;padding:0!important;width:100%!important}
.kn-site-nav-inner{max-width:1290px;margin:auto;min-height:82px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.kn-site-header .kn-wordmark{font-size:27px!important;letter-spacing:.22em!important;color:var(--kn-ivory)!important;text-decoration:none!important;white-space:nowrap}
.kn-page-navigation{position:static!important;background:transparent!important;border:0!important;padding:0!important;display:flex!important;align-items:center!important;gap:20px!important;max-width:none!important;margin:0!important;flex-wrap:nowrap!important}
.kn-page-navigation>a,.kn-nav-resources>summary{color:var(--kn-ivory)!important;text-decoration:none!important;font:400 13px 'DM Sans',sans-serif!important;letter-spacing:.02em!important;text-transform:none!important;white-space:nowrap;cursor:pointer}
.kn-page-navigation>a.kn-nav-book{color:var(--kn-gold)!important;padding:12px 18px!important;display:inline-flex!important}
.kn-nav-resources{position:relative}.kn-nav-resources>div{position:absolute;right:0;top:35px;width:235px;max-height:65vh;overflow:auto;z-index:310;padding:10px;background:#111b1e;border:1px solid #e8bf7340;border-radius:4px;box-shadow:0 16px 40px #0008}
.kn-nav-resources>div a{display:block!important;padding:9px 12px;color:var(--kn-ivory)!important;font:400 13px 'DM Sans',sans-serif!important;text-decoration:none!important}
.kn-nav-resources>div a:hover{color:var(--kn-gold)!important;background:#080d0f}.kn-menu-toggle{display:none;color:var(--kn-ivory);background:transparent;border:0;font-size:26px;width:44px;height:44px}
.kn-uniform-footer{background:var(--kn-bg)!important;border-top:1px solid #e8bf7330!important;padding:0 24px!important;margin-top:40px}
.kn-uniform-footer .kn-footer-bar{padding-bottom:15px}.kn-copyright{text-align:center;font-size:11px!important;padding:0 0 25px;color:var(--kn-muted)}
.kn-uniform-footer .kn-footer-bar nav{background:transparent!important;border:0!important;padding:0!important;position:static!important;gap:20px!important;max-width:none!important}
.kn-newsletter-unavailable{border:1px solid #e8bf7340;padding:20px;background:var(--kn-surface)}
@media(max-width:1050px){.kn-page-navigation{gap:12px!important}.kn-site-header .kn-wordmark{font-size:22px!important}.kn-page-navigation>a,.kn-nav-resources>summary{font-size:12px!important}}
@media(max-width:800px){.kn-site-nav-inner{min-height:56px;padding:0 20px}.kn-menu-toggle{display:block}.kn-page-navigation{display:none!important;position:absolute!important;left:0;right:0;top:56px!important;background:#080d0f!important;padding:20px!important;flex-direction:column;align-items:stretch!important;gap:20px!important;border-bottom:1px solid #e8bf7340!important;max-height:85vh;overflow:auto}.kn-page-navigation.kn-menu-open{display:flex!important}.kn-page-navigation>a,.kn-nav-resources>summary{font-size:16px!important;min-height:36px;display:flex;align-items:center}.kn-nav-resources>div{position:static;width:100%;max-height:none;margin-top:12px;box-shadow:none}.kn-uniform-footer .kn-footer-bar{padding-inline:0}.kn-uniform-footer nav{display:flex;flex-wrap:wrap}.sidebar{top:80px!important}}

/* Keep the assessment action readable in the shared page navigation. */
@media(min-width:801px){.kn-page-navigation>a.kn-nav-book{white-space:normal;max-width:15rem;line-height:1.4;text-align:center}}