@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=IBM+Plex+Mono:wght@400;500&display=swap');
:root{color-scheme:dark;--bg:#10191f;--surface:#17232a;--raised:#1c2a32;--ink:#edf2f4;--muted:#9babb5;--line:#2d3c44;--accent:#c8ed91;--accent-ink:#172410;--blue:#96c8ef;--violet:#c4b2f1;--amber:#edc58c;--rose:#e8a6b8;--mono:'IBM Plex Mono',monospace;--sans:'DM Sans',Arial,sans-serif;--deep:var(--bg)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent)}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}a,button{touch-action:manipulation}button{color:inherit}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.15;letter-spacing:-.045em}h1{font-size:clamp(44px,5.2vw,76px);font-weight:600}h2{font-size:clamp(30px,3vw,43px);font-weight:550}h3{font-size:23px;font-weight:550}p{color:var(--muted)}[hidden]{display:none!important}.wrap{width:min(1320px,calc(100% - 96px));margin:auto}.site-header{height:82px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:30px}.brand{display:inline-flex;align-items:center;gap:12px;font-size:21px;letter-spacing:-.055em;font-weight:700}.mark{display:grid;place-items:center;border:1px solid #c8ed9150;border-radius:8px;background:#c8ed910d;color:var(--accent);width:32px;height:32px;font:500 20px var(--mono);letter-spacing:-.1em}.mark-dot{display:none}.site-header nav{display:flex;align-items:center;gap:30px;font-size:13px}.site-header nav>a:not(.nav-login){color:#bdc8ce}.site-header nav>a:hover{color:var(--accent)}.nav-login,.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;padding:12px 19px;background:var(--accent);color:var(--accent-ink);border:1px solid var(--accent);border-radius:6px;font-size:13px;font-weight:700;white-space:nowrap;line-height:1.4}.button:hover,.nav-login:hover{background:#d8f5b0;color:var(--accent-ink)!important}.button.secondary{background:transparent;color:var(--ink);border-color:var(--line)}.button.secondary:hover{background:var(--raised);color:var(--ink)!important}.eyebrow{display:block;font:500 10px/1.6 var(--mono);letter-spacing:.15em;text-transform:uppercase;color:var(--accent)}.status-dot{display:inline-block;width:6px;height:6px;margin-right:10px;background:var(--accent);border-radius:50%}.hero{display:grid;grid-template-columns:1.4fr 1fr;gap:60px;padding:88px 0 85px;align-items:center}.hero h1{margin:25px 0;font-size:clamp(45px,4.1vw,62px)}.hero h1 em{color:var(--accent);font-style:normal}.hero-copy{font-size:17px;max-width:590px;line-height:1.8;margin-bottom:32px}.hero-actions{display:flex;gap:25px;align-items:center}.text-link{display:inline-flex;gap:15px;align-items:center;color:var(--ink);font-size:13px;font-weight:550;background:none;border:0;padding:0}.text-link:hover{color:var(--accent)}.text-link span{color:var(--accent)}.system-panel{border:1px solid #3a4a53;background:linear-gradient(135deg,#1c2b34,#17232b);border-radius:12px;padding:24px 26px 20px}.panel-heading{display:flex;justify-content:space-between;align-items:center}.panel-heading>span:last-child{color:var(--muted);font:10px var(--mono)}.system-diagram{width:100%;height:245px;display:block}.system-steps{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);padding-top:18px;gap:15px}.system-steps b{display:block;font:10px var(--mono);color:var(--accent);margin-bottom:8px}.system-steps span{font-size:12px}.panel-caption{font:10px var(--mono);margin:22px 0 0;color:var(--muted)}.topic-bar{display:flex;justify-content:space-between;border-block:1px solid var(--line);padding:20px 0;font:10px var(--mono);letter-spacing:.08em;color:var(--muted);gap:20px}.topic-bar span:first-child{color:var(--accent)}.section-top{display:flex;justify-content:space-between;gap:30px;align-items:baseline;margin-bottom:35px}.section-top h2{margin:0}.themes,.thinking{padding:75px 0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.card{border-left:1px solid var(--line);padding:0 25px 0 22px;display:flex;flex-direction:column}.card-num{font:10px var(--mono);letter-spacing:.12em;color:var(--accent);margin-bottom:23px}.card h3{font-size:25px;letter-spacing:-.03em}.card p{font-size:14px;max-width:330px}.card-foot{font:10px var(--mono);color:#c3cfd5;margin-top:auto;padding-top:15px;display:flex;justify-content:space-between}.card-foot span{color:var(--accent)}.thinking{border-top:1px solid var(--line)}.feature{display:grid;grid-template-columns:1.4fr 1fr;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden}.feature>div:first-child{padding:40px}.tag{font:10px var(--mono);letter-spacing:.09em;color:var(--accent)}.feature h3{font-size:35px;margin:22px 0 20px;max-width:520px}.feature p{max-width:530px}.feature .text-link{margin-top:12px}.feature-graphic{padding:38px;display:flex;flex-direction:column;justify-content:center;gap:15px;background-image:radial-gradient(#425459 1px,transparent 1px);background-size:16px 16px;border-left:1px solid var(--line)}.feature-graphic span{padding:10px 18px;font:11px var(--mono);letter-spacing:.12em;border:1px solid #52644e;background:#17232bf5;color:var(--accent);border-radius:5px}.feature-graphic span:nth-child(2){margin-left:25px}.feature-graphic span:nth-child(3){margin-left:50px}.feature-graphic span:nth-child(4){margin-left:75px}.editorial-note{font-size:12px;margin-top:17px}.about{padding:65px 0;border-top:1px solid var(--line)}.about-grid{display:grid;grid-template-columns:1fr 2fr;gap:70px}.about p{max-width:750px;font-size:16px}.kb-teaser{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:38px;display:flex;justify-content:space-between;align-items:center;gap:40px;margin-bottom:75px}.kb-teaser h2{margin:15px 0;font-size:32px}.kb-teaser p{margin:0;max-width:650px}footer{border-top:1px solid var(--line);padding:35px 0}.footer-grid{display:flex;justify-content:space-between;gap:30px}.footer-grid p{font-size:11px;margin:12px 0 0}.footer-grid>div:last-child{text-align:right}.topline{display:none}.article-page{max-width:800px;padding:70px 0 100px}.article-page h1{font-size:clamp(40px,5vw,62px)}.article-page .lead{font-size:20px}.article-page h2{font-size:30px;margin-top:45px}.article-page p,.article-page li{color:#b8c5cb}.article-page .back{display:block;color:var(--accent);margin-bottom:40px}.auth-card{width:min(480px,calc(100% - 40px));margin:70px auto 110px;border:1px solid var(--line);background:var(--surface);padding:36px;border-radius:10px}.auth-card h1{font-size:48px;margin:20px 0}.auth-card label{display:block;font-size:12px;margin:20px 0 7px}.auth-card input{width:100%;padding:11px 12px;border:1px solid #42525b;background:var(--bg);border-radius:5px;color:var(--ink)}.auth-card .button{margin-top:24px;width:100%}.auth-card .text-link{margin-top:20px}.auth-invite{padding:20px 0;border-block:1px solid var(--line);margin-top:27px}.auth-invite strong{font-size:13px}.auth-invite p,.small-note{font-size:12px;margin:7px 0 0}.auth-card .status{font-size:13px;color:var(--accent);min-height:22px}.small-note a{color:var(--accent)}.skip-link{position:absolute;top:-100px;left:20px;padding:12px;background:var(--accent);color:var(--bg);z-index:100}.skip-link:focus{top:12px}@media(max-width:1000px){.wrap{width:calc(100% - 48px)}.hero{gap:35px}.hero h1{font-size:50px}.site-header nav{gap:18px}.system-panel{padding:20px}.topic-bar{flex-wrap:wrap}.cards{gap:10px}.card{padding-right:10px}}@media(max-width:760px){.wrap{width:calc(100% - 36px)}.site-header{height:auto;min-height:76px;flex-wrap:wrap;padding:18px 0;gap:17px}.site-header nav{flex-wrap:wrap;gap:18px;font-size:12px}.hero{grid-template-columns:1fr;padding:58px 0;gap:40px}.hero h1{font-size:clamp(43px,9vw,65px)}.hero-copy{font-size:16px}.system-panel{max-width:540px}.section-top{align-items:start;flex-direction:column;gap:12px}.cards{grid-template-columns:1fr;gap:32px}.card{padding-left:20px}.card p{max-width:none}.feature{grid-template-columns:1fr}.feature-graphic{display:none}.feature>div:first-child{padding:28px}.about-grid{grid-template-columns:1fr;gap:20px}.kb-teaser{padding:25px;flex-direction:column;align-items:start}.footer-grid{flex-direction:column}.footer-grid>div:last-child{text-align:left}.hero-actions{gap:20px}.hero-actions .text-link{font-size:12px}.topic-bar{font-size:9px}.themes,.thinking{padding:55px 0}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}

/* Nexachron Continuum identity */
.brand-mark{display:block;width:36px;height:auto;flex-shrink:0}.brand{gap:12px;letter-spacing:.08em;text-transform:uppercase;font-size:18px}.sidebar .brand{font-size:15px;margin-left:8px;margin-right:0;gap:10px}.sidebar .brand-mark{width:30px}.boot-state>.brand-mark{width:48px}@media(max-width:600px){.brand{font-size:15px}.brand-mark{width:30px}}