/* Erickson Systems — restrained, responsive static design system. */
:root{color-scheme:dark;--bg:#040b11;--bg-raised:#08131d;--bg-soft:#0c1a26;--panel:#09151f;--panel-glass:rgba(8,19,28,.85);--line:rgba(115,158,190,.21);--line-strong:rgba(143,184,213,.41);--text:#f4f7fb;--muted:#a2b1c0;--dim:#758b9d;--accent:#a9cfff;--accent2:#e4ae73;--accent-soft:rgba(151,205,251,.14);--cta-text:#07121c;--shadow:0 35px 75px rgba(0,0,0,.35);--w:1340px;--mono:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;--sans:Inter,"Segoe UI",Arial,sans-serif}
:root[data-theme=gold]{--accent:#eab678;--accent2:#eab678;--accent-soft:rgba(234,181,114,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.63;-webkit-font-smoothing:antialiased}body::before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(ellipse at 80% -18%,rgba(25,57,81,.29),transparent 49%);pointer-events:none}button,input,textarea{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer}img,svg{max-width:100%}img{display:block}::selection{background:var(--accent);color:var(--bg)}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3{line-height:1.13}h2{letter-spacing:-.035em}p{color:var(--muted)}a.text-link{color:var(--accent);border-bottom:1px solid rgba(168,205,244,.4)}a.text-link:hover{border-color:currentColor}
.shell{width:min(var(--w),calc(100% - 104px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:fixed;z-index:200;top:-80px;left:20px;background:var(--accent);color:#061018;padding:9px 14px}.skip:focus{top:10px}
.site-header{position:sticky;z-index:70;top:0;background:rgba(3,10,16,.82);border-bottom:1px solid rgba(108,151,176,.13);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.head-inner{min-height:93px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;flex-direction:column;align-items:flex-start;gap:2px;flex-shrink:0}.brand strong{font-size:19px;letter-spacing:.32em;line-height:1.45;font-weight:660;white-space:nowrap}.brand span{font-size:11px;letter-spacing:.13em;color:#b4bec7}.brand em{font-style:normal;text-transform:uppercase;font-size:8.5px;letter-spacing:.21em;color:#90abc0}.nav-group{display:flex;align-items:center;gap:17px}.nav-links{display:flex;align-items:center;gap:30px}.nav-links a{font-size:12px;color:#cad4de;white-space:nowrap;transition:color .18s}.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--accent)}.nav-links a[aria-current=page]::after{content:"";display:block;width:100%;height:1px;margin-top:4px;background:var(--accent)}.theme-btn{display:flex;align-items:center;justify-content:center;gap:7px;color:var(--muted);font-family:var(--mono);font-size:10px;letter-spacing:.08em;background:none;border:1px solid var(--line);border-radius:4px;padding:9px 12px;white-space:nowrap}.theme-btn:hover{border-color:var(--accent);color:var(--accent)}.head-cta{display:flex;align-items:center;gap:13px;font-size:12px;padding:10px 15px;border:1px solid var(--accent2);border-radius:4px;white-space:nowrap;color:#f8e7d4}.head-cta span{font-size:19px;color:var(--accent2);line-height:1}.head-cta:hover{background:rgba(229,172,111,.1)}.menu-btn{display:none;color:var(--text);background:transparent;border:1px solid var(--line);padding:8px 12px;border-radius:4px}.menu-btn svg{display:block;width:24px;height:24px}
.eyebrow,.section-kicker,.tiny-label,.serial,.smallcaps{font-family:var(--mono);text-transform:uppercase;font-weight:500;letter-spacing:.21em;font-size:10px;color:var(--accent)}.eyebrow .times{padding:0 9px;color:var(--muted)}.section-kicker{display:flex;align-items:center;gap:18px;color:#8ba9c1}.section-kicker:after{content:"";width:36px;height:1px;background:var(--accent2);opacity:.85}
.hero{border-bottom:1px solid var(--line);overflow:hidden;position:relative}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#040b11 0%,rgba(4,11,17,.95) 28%,transparent 70%);z-index:1;pointer-events:none}.hero-grid{position:relative;min-height:666px;display:grid;grid-template-columns:minmax(450px,.95fr) minmax(510px,1.05fr);align-items:center}.hero-copy{position:relative;z-index:4;padding:65px 0 75px}.hero h1{font-size:clamp(64px,6vw,95px);line-height:.99;letter-spacing:-.065em;font-weight:710;margin:25px 0 26px}.hero h1 em{font-style:normal;display:block;color:var(--accent);text-shadow:0 0 80px rgba(83,151,205,.08)}.hero-lead{font-size:18px;color:#c5d0db;max-width:590px;line-height:1.61;margin-bottom:14px}.hero-under{font-size:16px;color:#8ca5b7;max-width:520px;margin-bottom:28px}.actions{display:flex;flex-wrap:wrap;gap:12px}.btn{display:inline-flex;justify-content:center;align-items:center;gap:22px;padding:15px 23px;border:1px solid var(--line-strong);background:rgba(7,17,26,.48);border-radius:4px;color:#eaf1f7;font-size:14px;font-weight:560;min-height:51px;transition:transform .2s,border-color .2s,background .2s}.btn-primary{background:linear-gradient(115deg,#c7e2fc,var(--accent));border-color:var(--accent);color:var(--cta-text);box-shadow:0 7px 40px var(--accent-soft)}:root[data-theme=gold] .btn-primary{background:linear-gradient(115deg,#ffdd9e,#dea86b)}.btn:hover{transform:translateY(-2px);border-color:var(--accent)}.btn .arrow{font-size:20px;line-height:1}.keyline{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:48px}.keyline span{color:#98b4ca;border-left:1px solid var(--accent2);padding-left:12px;font-family:var(--mono);font-size:9px;line-height:1.65;letter-spacing:.15em;text-transform:uppercase;white-space:nowrap}.keyline span+span{margin-left:12px}
.hero-art{position:absolute;z-index:2;left:42%;right:-8%;top:-70px;bottom:-90px;pointer-events:none}.hero-art img{width:100%;height:100%;object-fit:contain;opacity:.97}.signal-tag{position:absolute;background:linear-gradient(135deg,rgba(12,27,40,.91),rgba(4,12,20,.92));border:1px solid rgba(154,191,219,.33);border-radius:5px;padding:11px 16px 10px 13px;min-width:143px;box-shadow:0 12px 44px rgba(0,0,0,.25)}.signal-tag .tag-head{display:flex;align-items:center;gap:10px;color:#f2f5f9;font-size:10px;letter-spacing:.13em;font-family:var(--mono);text-transform:uppercase}.signal-tag .tag-icon{display:inline-flex;color:var(--accent);font-size:23px;line-height:1}.signal-tag .tag-sub{font-size:10px;line-height:1.42;color:#9fb2c4;display:block;margin-left:34px}.signal-tag.people{left:22%;top:16%}.signal-tag.data{right:2%;top:20%}.signal-tag.technology{right:-1%;top:44%}.signal-tag.governance{left:18%;top:52%}.signal-tag.outcomes{right:5%;top:72%}.signal-tag.intelligence{left:48%;top:35%}.hero-aside{position:absolute;right:1%;bottom:29px;color:#7596ab;text-align:right;line-height:1.9;font-size:8px;letter-spacing:.19em;font-family:var(--mono);text-transform:uppercase;z-index:3}
.section{padding:87px 0}.section-compact{padding:57px 0}.section-dark{background:#050e16}.section-top{display:flex;align-items:end;justify-content:space-between;margin:0 0 28px;gap:20px}.section-top h2{font-weight:590;font-size:clamp(30px,3.1vw,46px);margin:15px 0 0}.section-top .text-link{font-size:14px;flex-shrink:0}.cards-three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.feature-card{display:flex;flex-direction:column;min-height:390px;border:1px solid var(--line);border-radius:9px;background:linear-gradient(150deg,#0a1925 0%,#07111a 52%,#060d13 100%);padding:27px;position:relative;overflow:hidden;transition:transform .2s,border-color .2s,box-shadow .2s}.feature-card:before{content:"";position:absolute;width:170px;height:170px;right:-60px;top:-40px;background:radial-gradient(circle,rgba(116,173,213,.12),transparent 65%);pointer-events:none}.feature-card:hover{transform:translateY(-4px);border-color:rgba(166,204,234,.51);box-shadow:0 24px 60px rgba(0,0,0,.2)}.feature-card .card-top{display:flex;justify-content:space-between;align-items:center;gap:10px;font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:#a9c3d6}.feature-card .card-arrow{font-size:25px;color:var(--accent);line-height:1}.feature-card .card-heading{display:flex;gap:18px;align-items:center;min-height:110px;margin:13px 0 3px}.card-icon{flex:0 0 77px;width:77px;height:77px;display:grid;place-items:center}.card-icon svg{width:74px;height:74px}.feature-card h3{font-size:23px;letter-spacing:-.03em;margin:0 0 7px;font-weight:575}.feature-card .card-sub{font:10px/1.7 var(--mono);letter-spacing:.13em;color:#99b9d1;text-transform:uppercase}.feature-card p{font-size:14px;color:#aebdca;line-height:1.66;flex-grow:1;margin-bottom:20px}.chips{display:flex;flex-wrap:wrap;gap:7px}.chip{border:1px solid rgba(130,170,200,.3);border-radius:999px;padding:5px 10px;font:9px/1.2 var(--mono);color:#9ebad0;letter-spacing:.07em;text-transform:uppercase}.feature-card a.card-fill{position:absolute;inset:0;z-index:2}.feature-card a.card-fill:focus-visible{outline-offset:-5px}.feature-card .card-content{pointer-events:none}
.approach-band{position:relative;min-height:380px;display:flex;align-items:center;overflow:hidden;border-block:1px solid var(--line);background:#060f18}.approach-band:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#050c13 6%,rgba(5,13,20,.86) 37%,rgba(5,13,20,.0) 86%),url('../svg/terrain.svg') center center/cover no-repeat}.approach-inner{position:relative;z-index:1}.approach-band h2{font-size:clamp(34px,3.35vw,49px);line-height:1.13;margin:26px 0 0;max-width:740px;font-weight:640}.approach-band h2 span{display:block;color:#a7b7c8}.approach-band h2 em{font-style:normal;color:var(--accent2)}.approach-tags{position:absolute;right:5%;top:21%;font:10px/1.6 var(--mono);letter-spacing:.08em;color:#b1cde0;text-transform:uppercase}.approach-tags .pin{border-left:1px solid var(--accent2);padding-left:12px;margin-left:35px;padding-top:17px;height:104px}
.principles{display:grid;grid-template-columns:repeat(4,1fr);margin-top:35px}.principle{padding:0 28px;border-left:1px solid var(--line)}.principle:first-child{padding-left:0;border-left:0}.principle .serial{color:var(--accent2);margin-bottom:11px}.principle h3{font-size:19px;font-weight:570;margin:0 0 10px;letter-spacing:-.01em}.principle h3:after{content:"";display:block;width:26px;height:2px;background:var(--accent2);margin-top:11px}.principle p{font-size:14px;line-height:1.6;margin:0}
.two-col{display:grid;grid-template-columns:1.0fr 1fr;gap:55px;align-items:start}.two-col.a-little-wide{grid-template-columns:.8fr 1.2fr}.intro-title{font-size:clamp(33px,3.7vw,54px);font-weight:630;letter-spacing:-.05em;margin:14px 0 24px}.text-large{font-size:18px;line-height:1.7;color:#c1d0dc}.aside-card{border:1px solid var(--line);background:linear-gradient(150deg,#0b1b27,#070f16);border-radius:9px;padding:26px}.aside-card h3{font-size:18px;margin-bottom:15px}.aside-card p,.aside-card li{font-size:14px;color:#a6bccb}.aside-card ul{padding-left:19px}.aside-card li{margin-bottom:9px}.provenance-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:21px}.prov-trigger{border:1px solid var(--line-strong);background:rgba(11,26,38,.85);padding:8px 12px;color:#b2cfeb;font:10px var(--mono);letter-spacing:.13em;border-radius:4px;display:inline-flex;align-items:center;gap:8px}.prov-trigger:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.prov-trigger:after{content:"↗";font-size:13px;color:var(--accent2)}
.demo{border:1px solid var(--line);border-radius:11px;background:linear-gradient(145deg,#081827,#07111b);padding:26px 32px;min-height:378px;box-shadow:var(--shadow)}.demo-top{display:flex;justify-content:space-between;align-items:center;gap:15px;padding-bottom:18px;border-bottom:1px solid var(--line)}.demo-top h3{font-size:21px;margin:7px 0 0}.demo-tabs{display:flex;gap:7px;flex-wrap:wrap;margin:22px 0}.demo-tab{background:transparent;color:#90aec3;border:1px solid var(--line);border-radius:4px;padding:8px 12px;font-size:12px}.demo-tab[aria-selected=true]{background:var(--accent-soft);color:var(--accent);border-color:var(--accent)}.demo-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.flow-step{border-top:2px solid var(--accent2);background:rgba(18,41,56,.65);border-radius:2px;padding:13px 13px 15px;min-height:135px}.flow-step strong{display:block;color:var(--accent);font:10px var(--mono);text-transform:uppercase;letter-spacing:.13em;margin-bottom:12px}.flow-step p{font-size:13px;color:#c5d4df;line-height:1.5;margin:0}.demo-note{font-size:12px;color:#7b95a7;margin:16px 0 0}
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.proof-card{border:1px solid var(--line);border-radius:6px;background:#0a1924;padding:25px 23px;display:flex;flex-direction:column}.proof-card .smallcaps{color:var(--accent2)}.proof-card h3{font-size:22px;font-weight:580;margin:14px 0 12px}.proof-card p{font-size:14px;flex:1}.proof-card .prov-trigger{align-self:start;margin-top:12px}.lineage-tease{background:linear-gradient(135deg,#091824,#050b11);border:1px solid var(--line);border-radius:12px;padding:50px 56px;position:relative;overflow:hidden}.lineage-tease:after{content:"";position:absolute;right:-60px;top:-100px;border:1px solid #466e8d70;border-radius:50%;width:460px;height:460px;box-shadow:0 0 0 70px rgba(61,93,117,.045),0 0 0 145px rgba(61,93,117,.025);pointer-events:none}.lineage-tease .smallcaps{position:relative;z-index:1}.lineage-tease h2{font-size:clamp(31px,3.2vw,47px);margin:14px 0 15px;max-width:650px;position:relative;z-index:1}.lineage-tease p{max-width:620px;font-size:17px;position:relative;z-index:1}.lineage-tease .btn{position:relative;z-index:1}
.page-hero{padding:78px 0 72px;border-bottom:1px solid var(--line);position:relative;overflow:hidden;background:radial-gradient(ellipse at 75% 50%,rgba(26,67,99,.22),transparent 55%)}.page-hero .page-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}.page-hero h1{font-size:clamp(49px,5.7vw,80px);letter-spacing:-.06em;margin:20px 0 22px;font-weight:680}.page-hero h1 em{font-style:normal;color:var(--accent)}.page-hero p.lead{font-size:20px;line-height:1.62;max-width:730px;color:#c1d1de;margin-bottom:24px}.page-hero .caption{font:10px/1.6 var(--mono);letter-spacing:.13em;color:#83a4ba;text-transform:uppercase}.page-art{border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#0a1a26;box-shadow:0 30px 70px rgba(0,0,0,.25)}.page-art img{width:100%;aspect-ratio:1.65;object-fit:cover}.page-art figcaption{padding:12px 16px;color:#849cb1;font:11px/1.6 var(--mono);letter-spacing:.08em;border-top:1px solid var(--line)}figure{margin:0}.status-pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line-strong);border-radius:25px;padding:7px 12px;font:10px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:#aed2ed;background:rgba(89,157,193,.07)}.status-pill:before{content:"";width:6px;height:6px;border-radius:50%;background:#8fbee4}.status-pill.warning{color:#e5b978}.status-pill.warning:before{background:#e5b978}
.content-section{padding:73px 0;border-bottom:1px solid rgba(111,157,193,.1)}.content-section h2{font-size:clamp(32px,3.25vw,46px);font-weight:610}.content-section h3{font-size:22px;font-weight:590}.content-section p,.content-section li{font-size:16px;color:#aebfcb}.content-section li{padding-bottom:9px}.content-section ul{padding-left:21px}.content-section .text-large{color:#c5d3df}.quote{margin:30px 0;border-left:2px solid var(--accent2);padding:9px 0 11px 23px;font-size:clamp(22px,2.1vw,30px);line-height:1.45;color:#e6edf3;letter-spacing:-.02em}.grid-two{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.grid-three{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.concept{background:var(--panel);border:1px solid var(--line);border-radius:7px;padding:26px}.concept .no{font:11px var(--mono);color:var(--accent2)}.concept h3{margin:11px 0 11px}.concept p{font-size:14px;line-height:1.7;margin-bottom:0}.editorial{max-width:810px}.editorial p{line-height:1.84}.editorial h2{margin:35px 0 16px}.editorial h3{margin-top:24px}.note{padding:19px 22px;border:1px solid var(--line);background:#091925;border-radius:6px}.note p:last-child{margin-bottom:0}.note-head{font:10px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--accent2);margin-bottom:8px}.steps{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px;margin:34px 0}.step{padding:19px 12px 18px;border:1px solid var(--line);background:linear-gradient(150deg,#0b1d2a,#07121b);border-radius:6px;text-align:center;position:relative}.step .num{display:block;color:var(--accent2);font:10px var(--mono);margin-bottom:14px}.step strong{font-size:12px;font-weight:560;color:#d9e6f0}.step:not(:last-child):after{content:"→";position:absolute;right:-11px;top:42%;z-index:2;color:var(--accent2)}.lineage-steps{display:grid;grid-template-columns:240px 1fr;gap:35px}.lineage-item{display:contents}.lineage-year{border-top:1px solid var(--line);padding:28px 0;font:11px var(--mono);color:var(--accent);letter-spacing:.13em;text-transform:uppercase}.lineage-copy{border-top:1px solid var(--line);padding:25px 0}.lineage-copy h3{font-size:27px;margin:3px 0 12px}.lineage-copy p{max-width:780px}.lineage-copy .prov-trigger{margin-top:6px}
.resume-layout{display:grid;grid-template-columns:290px 1fr;gap:60px}.resume-aside{border-right:1px solid var(--line);padding-right:35px}.resume-aside h3{font-size:13px;text-transform:uppercase;letter-spacing:.14em;color:var(--accent);margin:27px 0 12px}.resume-aside p{font-size:14px}.resume-main h2{font-size:26px;margin:0 0 15px}.resume-main h3{font-size:21px;margin:28px 0 8px}.resume-main .role-date{font:11px var(--mono);letter-spacing:.04em;color:var(--dim)}.resume-main ul{padding-left:18px}.resume-main li{margin-bottom:8px}.contact-grid{display:grid;grid-template-columns:1fr .8fr;gap:60px}.contact-address{display:block;font-size:26px;color:var(--accent);word-break:break-word;margin:25px 0}.contact-details{border:1px solid var(--line);border-radius:8px;background:var(--bg-raised);padding:28px}.contact-details h3{font-size:22px}.contact-details .smallcaps{margin-top:19px;display:block}
.site-footer{padding:52px 0 35px;border-top:1px solid var(--line);background:#03090f}.footer-main{display:flex;align-items:start;justify-content:space-between;gap:24px}.footer-mark strong{font-size:20px;letter-spacing:.3em}.footer-mark p{font-size:12px;color:#8da7bb;margin-top:8px}.footer-links{display:flex;gap:21px;flex-wrap:wrap}.footer-links a{font-size:12px;color:#b9ccd9}.footer-links a:hover{color:var(--accent)}.footer-small{border-top:1px solid var(--line);margin-top:39px;padding-top:19px;display:flex;gap:18px;justify-content:space-between;flex-wrap:wrap;font:10px var(--mono);letter-spacing:.08em;color:#607f94}
/* Evidence inspector — in-page, not a fake outbound link. */
.drawer-shade{position:fixed;inset:0;z-index:90;background:rgba(0,5,10,.54);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}.provenance-drawer{position:fixed;top:0;bottom:0;right:0;z-index:100;width:min(520px,100%);padding:28px 33px;background:linear-gradient(150deg,#0b202e,#050f18 80%);border-left:1px solid #4b6f88;box-shadow:-25px 0 100px rgba(0,0,0,.6);transform:translateX(102%);transition:transform .32s ease;overflow-y:auto;overscroll-behavior:contain}.drawer-open .drawer-shade{opacity:1;visibility:visible}.drawer-open .provenance-drawer{transform:translateX(0)}body.drawer-open{overflow:hidden}.drawer-header{display:flex;justify-content:space-between;gap:20px;align-items:start;padding-bottom:24px;border-bottom:1px solid var(--line)}.drawer-close{display:grid;place-items:center;width:36px;height:36px;border:1px solid var(--line);background:transparent;color:#ddeaf4;border-radius:5px;font-size:26px;line-height:1}.drawer-type{font:11px var(--mono);color:var(--accent);letter-spacing:.16em;text-transform:uppercase}.drawer-title{font-size:30px;line-height:1.16;margin:30px 0 7px}.drawer-subtitle{color:#9cb5c6;font-size:14px}.drawer-summary{font-size:16px;line-height:1.75;color:#c2d0dd;margin-top:30px}.drawer-meta{display:grid;gap:12px;padding:21px 0;margin:21px 0;border-block:1px solid var(--line)}.drawer-meta div{display:grid;grid-template-columns:115px 1fr;gap:10px;font-size:12px}.drawer-meta dt{font-family:var(--mono);text-transform:uppercase;color:#7395ad;letter-spacing:.12em}.drawer-meta dd{margin:0;color:#d0e0ec}.drawer-action{width:100%;margin-top:8px}.drawer-note{font-size:12px;color:#8ca7ba;margin-top:20px}.drawer-preview{height:160px;border:1px solid var(--line);border-radius:7px;margin-top:24px;display:grid;place-items:center;background:radial-gradient(circle at 60% 40%,rgba(62,110,149,.22),transparent 60%),repeating-linear-gradient(0deg,transparent,transparent 28px,rgba(103,149,181,.07) 29px)}.drawer-preview span{font:12px var(--mono);color:#80a8c1;letter-spacing:.28em}
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