/* ═══════════════════════════════════════════════════════════
   Fredrick Uzoho — Business Systems & AI Solutions Architect
   Design system. Operations → Systems → Automation → Intelligence
   ═══════════════════════════════════════════════════════════ */

:root{
  --ground:#FFFFFF;
  --alt:#F5F7FA;
  --ink:#0B0D12;
  --ink-2:#3A414C;
  --muted:#727B8B;
  --line:#E4E7EC;
  --line-2:#C9D0DA;
  --accent:#0B4CFF;
  --accent-deep:#0733B8;
  --accent-wash:#EFF3FF;

  --band:#080A11;
  --band-2:#0E1119;
  --band-3:#141824;
  --band-fg:#F3F6FA;
  --band-ink-2:#C2CAD8;
  --band-muted:#8A95A7;
  --band-line:rgba(255,255,255,.13);
  --band-line-soft:rgba(255,255,255,.07);
  --band-accent:#7EA2FF;

  --ok:#0E7C5A;
  --warn:#9A6206;
  --ok-wash:#E7F5EF;
  --warn-wash:#FBF2E2;

  --nav-h:64px;
  --display:"Bricolage Grotesque","Helvetica Neue",Arial,sans-serif;
  --sans:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ground:#08090D; --alt:#0C0E14;
    --ink:#EDF1F7; --ink-2:#B3BDCB; --muted:#7C8698;
    --line:#1C2230; --line-2:#2C3546;
    --accent:#5B8CFF; --accent-deep:#9DBBFF; --accent-wash:#101A31;
    --band:#11151E; --band-2:#161B26; --band-3:#1C222F;
    --band-line:rgba(255,255,255,.10); --band-line-soft:rgba(255,255,255,.06);
    --ok:#4FBF97; --warn:#D9A441; --ok-wash:#0E2119; --warn-wash:#221A0C;
  }
}
:root[data-theme="dark"]{
  --ground:#08090D; --alt:#0C0E14;
  --ink:#EDF1F7; --ink-2:#B3BDCB; --muted:#7C8698;
  --line:#1C2230; --line-2:#2C3546;
  --accent:#5B8CFF; --accent-deep:#9DBBFF; --accent-wash:#101A31;
  --band:#11151E; --band-2:#161B26; --band-3:#1C222F;
  --band-line:rgba(255,255,255,.10); --band-line-soft:rgba(255,255,255,.06);
  --ok:#4FBF97; --warn:#D9A441; --ok-wash:#0E2119; --warn-wash:#221A0C;
}

*{box-sizing:border-box}
body{
  margin:0;background:var(--ground);color:var(--ink);
  font-family:var(--sans);font-size:16.5px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%}
a{color:inherit}
html{scroll-behavior:smooth}
section,header{scroll-margin-top:calc(var(--nav-h) + 10px)}
.wrap{width:min(1300px,100%);margin-inline:auto;padding-inline:clamp(22px,5.2vw,80px)}
.wrap-narrow{width:min(1060px,100%);margin-inline:auto;padding-inline:clamp(22px,5.2vw,80px)}

/* ─── type ─── */
.d1,.d2,.d3,.d4{font-family:var(--display);font-weight:600;margin:0;text-wrap:balance;font-optical-sizing:auto}
.d1{font-size:clamp(40px,6.2vw,78px);line-height:1.02;letter-spacing:-.038em}
.d2{font-size:clamp(29px,3.9vw,49px);line-height:1.1;letter-spacing:-.032em}
.d3{font-size:clamp(21px,2.2vw,27px);line-height:1.22;letter-spacing:-.024em;font-weight:550}
.d4{font-size:clamp(18px,1.8vw,21px);line-height:1.3;letter-spacing:-.02em;font-weight:550}
p{margin:0}
.lede{font-size:clamp(17px,1.6vw,20px);line-height:1.58;color:var(--ink-2);max-width:62ch}
.body-t{font-size:16px;line-height:1.68;color:var(--ink-2);max-width:68ch}
.small{font-size:14.5px;line-height:1.6;color:var(--muted)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.label{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.accent{color:var(--accent)}

/* ─── nav ─── */
.nav{position:sticky;top:0;z-index:70;border-bottom:1px solid transparent;transition:background .3s ease,border-color .3s ease}
.nav-in{display:flex;align-items:center;gap:20px;height:var(--nav-h)}
.brandmark{display:flex;align-items:center;gap:11px;text-decoration:none;font-family:var(--display);font-size:17.5px;font-weight:600;letter-spacing:-.025em;white-space:nowrap;color:var(--band-fg);transition:color .3s ease}
.glyph{width:9px;height:9px;flex:none;border:1.5px solid var(--band-accent);transform:rotate(45deg);transition:border-color .3s ease}
.navlinks{display:flex;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.navlinks::-webkit-scrollbar{display:none}
.navlinks a{position:relative;font-size:13.5px;text-decoration:none;padding:8px 12px;white-space:nowrap;color:var(--band-muted);transition:color .2s ease}
.navlinks a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.navlinks a:hover{color:var(--band-fg)}
.navlinks a:hover::after,.navlinks a.on::after{transform:scaleX(1)}
.navlinks a.on{color:var(--band-accent)}
.nav-cta{display:none;font-size:13px;font-weight:500;text-decoration:none;padding:9px 16px;border:1px solid var(--band-line);color:var(--band-fg);transition:border-color .2s,color .2s;white-space:nowrap}
.nav-cta:hover{border-color:var(--band-accent);color:var(--band-accent)}
@media(min-width:1180px){.nav-cta{display:inline-block}}
.nav.solid{background:color-mix(in srgb,var(--ground) 92%,transparent);backdrop-filter:saturate(160%) blur(14px);border-bottom-color:var(--line)}
.nav.solid .brandmark{color:var(--ink)}
.nav.solid .glyph{border-color:var(--accent)}
.nav.solid .navlinks a{color:var(--muted)}
.nav.solid .navlinks a:hover{color:var(--ink)}
.nav.solid .navlinks a.on{color:var(--accent)}
.nav.solid .nav-cta{color:var(--ink);border-color:var(--line-2)}
.nav.solid .nav-cta:hover{border-color:var(--accent);color:var(--accent)}
/* pages that open on a light ground get the solid nav immediately */
.nav.always-solid{background:color-mix(in srgb,var(--ground) 92%,transparent);backdrop-filter:saturate(160%) blur(14px);border-bottom-color:var(--line)}
.nav.always-solid .brandmark{color:var(--ink)}
.nav.always-solid .glyph{border-color:var(--accent)}
.nav.always-solid .navlinks a{color:var(--muted)}
.nav.always-solid .navlinks a.on{color:var(--accent)}
.nav.always-solid .nav-cta{color:var(--ink);border-color:var(--line-2)}

/* ─── bands & sections ─── */
.band{background:var(--band);color:var(--band-fg);position:relative;overflow:hidden}
.band .label,.band .small{color:var(--band-muted)}
.band .body-t,.band .lede{color:var(--band-ink-2)}
.section{padding-block:clamp(66px,8.5vw,128px);border-top:1px solid var(--line)}
.section.alt{background:var(--alt)}
.section.tight{padding-block:clamp(48px,6vw,86px)}
.band.section{border-top:0}
.sechead{display:grid;gap:20px;margin-bottom:clamp(38px,4.6vw,64px);max-width:80ch}
.sechead-top{display:flex;align-items:baseline;gap:14px;border-bottom:1px solid var(--line);padding-bottom:13px}
.band .sechead-top{border-bottom-color:var(--band-line-soft)}
.sechead-top .num{font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:.06em}
.band .sechead-top .num{color:var(--band-accent)}
.sechead-top .kick{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.band .sechead-top .kick{color:var(--band-muted)}

/* ─── buttons ─── */
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-size:14.5px;font-weight:500;padding:13px 22px;border:1px solid var(--accent);background:var(--accent);color:#fff;transition:background .2s,border-color .2s;cursor:pointer;font-family:inherit}
.btn .arw{transition:transform .25s ease;display:inline-block}
.btn:hover .arw{transform:translateX(4px)}
.btn:hover{background:var(--accent-deep);border-color:var(--accent-deep)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn.sm{padding:9px 15px;font-size:13px}
.band .btn{background:var(--band-accent);border-color:var(--band-accent);color:#05070D}
.band .btn:hover{background:#A6C0FF;border-color:#A6C0FF}
.band .btn.ghost{background:transparent;color:var(--band-fg);border-color:var(--band-line)}
.band .btn.ghost:hover{border-color:var(--band-accent);color:var(--band-accent)}
.btn[disabled],.btn.disabled{opacity:.45;pointer-events:none}

/* ─── status labels (maturity) ─── */
.st{display:inline-flex;align-items:center;gap:7px;justify-self:start;width:max-content;max-width:100%;font-family:var(--mono);font-size:9.5px;letter-spacing:.13em;text-transform:uppercase;padding:5px 9px;border:1px solid currentColor;white-space:nowrap}
.st .dot{width:5px;height:5px;border-radius:50%;background:currentColor;flex:none}
.st-prod{color:var(--ok)}
.st-client{color:var(--accent)}
.st-proto{color:var(--accent)}
.st-dev{color:var(--warn)}
.st-concept{color:var(--muted)}
.band .st-proto,.band .st-client{color:var(--band-accent)}
.band .st-concept{color:var(--band-muted)}
.band .st-dev{color:#E2B15C}
.band .st-prod{color:#5FCBA4}

/* ─── tags ─── */
.tagrow{display:flex;flex-wrap:wrap;gap:7px}
.tag{font-family:var(--mono);font-size:10.5px;color:var(--muted);border:1px solid var(--line);padding:4px 8px}
.band .tag{border-color:var(--band-line-soft);color:var(--band-muted)}
.tag.on{color:var(--accent);border-color:var(--accent)}

/* ─── reveal engine (no-JS safe: visible by default) ─── */
.js-reveal .rv{opacity:0;transform:translateY(14px)}
.js-reveal .rv.in{opacity:1;transform:none;transition:opacity .7s cubic-bezier(.22,.7,.3,1),transform .7s cubic-bezier(.22,.7,.3,1)}
.js-reveal .rv-d1.in{transition-delay:.07s}
.js-reveal .rv-d2.in{transition-delay:.14s}
.js-reveal .rv-d3.in{transition-delay:.21s}
.js-reveal .rv-d4.in{transition-delay:.28s}
.js-reveal .rv-d5.in{transition-delay:.35s}

/* ─── hero ─── */
.hero{margin-top:calc(var(--nav-h) * -1);padding-top:var(--nav-h)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(760px 520px at 76% 2%,rgba(91,140,255,.20),transparent 62%),
    radial-gradient(900px 600px at 4% 98%,rgba(11,76,255,.10),transparent 60%);
}
.hero-lines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:.5}
.hero .wrap{position:relative;z-index:1;padding-block:clamp(54px,7.5vw,100px) clamp(46px,6vw,80px)}
.hero-grid{display:grid;gap:clamp(42px,5vw,72px);align-items:center}
@media(min-width:1020px){.hero-grid{grid-template-columns:1.34fr .66fr}}
.hero-copy{display:grid;gap:24px;justify-items:start}
.eyebrow{display:flex;align-items:center;gap:13px;font-family:var(--mono);font-size:11px;letter-spacing:.17em;text-transform:uppercase;color:var(--band-accent)}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--band-accent)}
.d1 .given{display:block;font-size:.34em;font-weight:400;color:var(--band-muted);margin-bottom:.18em;letter-spacing:-.02em}
.chain{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;font-family:var(--mono);font-size:11px;letter-spacing:.11em;text-transform:uppercase;color:var(--band-muted);border-top:1px solid var(--band-line-soft);padding-top:18px;width:100%}
.chain i{font-style:normal;color:var(--band-accent)}
.chain b{font-weight:400;color:var(--band-ink-2)}
.roles{display:flex;flex-wrap:wrap;gap:10px 30px;padding:0;margin:0;list-style:none}
.roles li{font-size:14px;color:var(--band-ink-2);position:relative;padding-left:15px}
.roles li .r-dot{position:absolute;left:0;top:8px;width:4px;height:4px;border-radius:50%;background:var(--band-accent)}
.roles li b{font-weight:500;color:var(--band-fg)}

/* portrait */
.portrait{margin:0;width:100%;max-width:410px;justify-self:end}
.pframe{position:relative;aspect-ratio:4/5;border:1px solid var(--band-line);background:var(--band-2);display:grid;place-content:center;justify-items:center;gap:12px;overflow:hidden}
.pframe img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 20%}
.pframe::before,.pframe::after{content:"";position:absolute;width:15px;height:15px;border:1px solid var(--band-accent);z-index:2}
.pframe::before{top:14px;left:14px;border-right:0;border-bottom:0}
.pframe::after{bottom:14px;right:14px;border-left:0;border-top:0}
.pmono{font-family:var(--display);font-size:42px;font-weight:600;letter-spacing:.02em;color:rgba(255,255,255,.2)}
.pnote{font-family:var(--mono);font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:var(--band-muted)}
.pcap{display:grid;gap:4px;padding:15px 2px 0}
.pcap-name{font-family:var(--display);font-size:16px;font-weight:550;letter-spacing:-.015em}
.pcap-meta{font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--band-muted)}

/* credibility strip */
.orgstrip{border-top:1px solid var(--band-line-soft);padding-top:22px;display:grid;gap:14px;width:100%}
.orgs{display:flex;flex-wrap:wrap;gap:10px 32px;align-items:baseline}
.orgs span{font-family:var(--display);font-size:17.5px;font-weight:550;letter-spacing:-.02em;color:var(--band-ink-2)}
.orgs .indep{color:var(--band-accent);font-family:var(--sans);font-size:13.5px;font-weight:500}

/* ─── page header (interior pages) ─── */
.phead{padding-block:clamp(46px,6vw,84px) clamp(34px,4vw,54px);border-bottom:1px solid var(--line)}
.phead .crumb{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:22px;display:flex;gap:10px;align-items:center}
.phead .crumb a{text-decoration:none;color:var(--accent)}
.phead-grid{display:grid;gap:26px}
.phead .lede{max-width:64ch}

/* ─── operating model ─── */
.opmodel{display:grid;gap:0;border-top:1px solid var(--line)}
.oplayer{display:grid;gap:8px 30px;padding:24px 0;border-bottom:1px solid var(--line);position:relative;transition:background .3s ease}
@media(min-width:820px){.oplayer{grid-template-columns:78px 250px minmax(0,1fr);align-items:baseline;padding:26px 0}}
.oplayer .ol-n{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--muted)}
.oplayer .ol-name{font-family:var(--display);font-size:21px;font-weight:550;letter-spacing:-.025em}
.oplayer .ol-d{font-size:14.5px;color:var(--muted);line-height:1.6}
.oplayer:hover{background:var(--alt)}
.oplayer.peak .ol-n,.oplayer.peak .ol-name{color:var(--accent)}
.opnote{margin-top:26px;font-size:15px;color:var(--muted);border-left:2px solid var(--accent);padding-left:18px;max-width:64ch;line-height:1.65}

/* ─── generic column grids ─── */
.cols{display:grid;gap:0}
.cols-2{grid-template-columns:1fr}
.cols-3{grid-template-columns:1fr}
@media(min-width:900px){.cols-2{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:56px}}
@media(min-width:1000px){.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}}
.col-item{padding:30px 0;border-top:1px solid var(--line);display:grid;gap:13px;align-content:start;min-width:0}
@media(min-width:1000px){
  .cols-3 .col-item{padding:32px 36px 32px 0}
  .cols-3 .col-item + .col-item{padding-left:36px;border-left:1px solid var(--line)}
}
.band .col-item{border-top-color:var(--band-line-soft)}
@media(min-width:1000px){.band .cols-3 .col-item + .col-item{border-left-color:var(--band-line-soft)}}

/* ─── featured work cards ─── */
.feature{display:grid;gap:0}
.fcard{
  display:grid;gap:16px;align-content:start;padding:32px 0;border-top:1px solid var(--line);
  text-decoration:none;position:relative;transition:padding-left .3s ease;min-width:0;
}
@media(min-width:960px){.fcard{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);column-gap:56px;align-items:start}}
.fcard::before{content:"";position:absolute;left:0;top:32px;bottom:32px;width:2px;background:var(--accent);transform:scaleY(0);transform-origin:top;transition:transform .3s ease}
.fcard:hover{padding-left:16px}
.fcard:hover::before{transform:scaleY(1)}
.fcard:hover .d3{color:var(--accent)}
.fc-l{display:grid;gap:12px;justify-items:start}
.fc-r{display:grid;gap:14px;align-content:start}
.fc-more{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);display:inline-flex;gap:8px;align-items:center}
.band .fc-more{color:var(--band-accent)}
.band .fcard{border-top-color:var(--band-line-soft)}
.band .fcard::before{background:var(--band-accent)}
.band .fcard:hover .d3{color:var(--band-accent)}

/* ─── agent cards ─── */
.agents{display:grid;gap:0}
@media(min-width:880px){.agents{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:56px}}
.agent{padding:32px 0;border-top:1px solid var(--line);display:grid;gap:15px;align-content:start;min-width:0}
.agent-top{display:flex;flex-wrap:wrap;gap:12px;align-items:baseline;justify-content:space-between}
.caps-list{display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0;list-style:none}
.caps-list li{font-size:12.5px;color:var(--ink-2);border:1px solid var(--line);padding:4px 9px;background:var(--ground)}
.band .caps-list li{color:var(--band-ink-2);border-color:var(--band-line-soft);background:transparent}
.agent-arch{border-left:2px solid var(--line-2);padding-left:16px;display:grid;gap:7px}
.agent-arch .aa-l{font-family:var(--mono);font-size:9.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--muted)}
.agent-arch .aa-t{font-size:14px;color:var(--ink-2);line-height:1.55}
.agent-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:2px}
.ghost-link{font-family:var(--mono);font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;border:1px solid var(--line-2);padding:7px 11px;text-decoration:none;color:var(--ink-2);transition:border-color .2s,color .2s;background:transparent;cursor:pointer;font-family:var(--mono)}
.ghost-link:hover{border-color:var(--accent);color:var(--accent)}
.ghost-link.muted{color:var(--muted);border-style:dashed;pointer-events:none}
.agent.flag{background:var(--alt);padding:32px 28px;border:1px solid var(--line);border-top:2px solid var(--accent)}
@media(min-width:880px){.agent.flag{grid-column:1/-1}}

/* ─── simulation console ─── */
.sim{border:1px solid var(--line);background:var(--ground);display:grid;min-width:0}
.sim-top{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding:13px 16px;border-bottom:1px solid var(--line);background:var(--alt)}
.sim-title{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.sim-body{padding:18px 16px;display:grid;gap:10px;min-height:280px;align-content:start}
.sim-line{display:grid;grid-template-columns:78px minmax(0,1fr);gap:14px;align-items:start;opacity:0;transform:translateY(6px)}
.sim-line.in{opacity:1;transform:none;transition:opacity .35s ease,transform .35s ease}
.sim-line .sl-k{font-family:var(--mono);font-size:9.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);padding-top:3px}
.sim-line .sl-v{font-size:14px;line-height:1.55;color:var(--ink-2);min-width:0;overflow-wrap:anywhere}
.sim-line.user .sl-v{color:var(--ink);font-weight:500}
.sim-line.tool .sl-v{font-family:var(--mono);font-size:12.5px;color:var(--accent)}
.sim-line.tool .sl-k{color:var(--accent)}
.sim-line.rule .sl-v{font-family:var(--mono);font-size:12.5px;color:var(--ink-2)}
.sim-line.approve .sl-v{color:var(--warn);font-weight:500}
.sim-line.approve .sl-k{color:var(--warn)}
.sim-line.action .sl-v{color:var(--ok);font-weight:500}
.sim-line.action .sl-k{color:var(--ok)}
.sim-foot{border-top:1px solid var(--line);padding:12px 16px;font-family:var(--mono);font-size:10.5px;color:var(--muted);letter-spacing:.05em;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}
.sim table{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:12px;margin-top:4px}
.sim table th{text-align:left;font-weight:400;color:var(--muted);font-size:10px;letter-spacing:.1em;text-transform:uppercase;padding:5px 12px 5px 0;border-bottom:1px solid var(--line)}
.sim table td{padding:6px 12px 6px 0;border-bottom:1px solid var(--line);color:var(--ink-2);font-variant-numeric:tabular-nums}
.sim table td.flagged{color:var(--warn)}

/* ─── diagrams ─── */
.figbox{border:1px solid var(--line);background:var(--ground);min-width:0}
.band .figbox{border-color:var(--band-line);background:var(--band-2)}
.figbox-top{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding:13px 16px;border-bottom:1px solid var(--line);background:var(--alt)}
.band .figbox-top{border-bottom-color:var(--band-line);background:var(--band-3)}
.figbox-body{padding:20px 16px;overflow-x:auto}
.figcap{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
svg.diagram{display:block;width:100%;height:auto;overflow:hidden}
svg.diagram text{font-family:Inter,sans-serif}
.dg-node{transition:opacity .4s ease}
.dg-dim{opacity:.32}

/* ─── stack ladder ─── */
.stack{margin:0;border:1px solid var(--line);background:var(--ground)}
.stack-cap{display:flex;justify-content:space-between;gap:12px;padding:13px 18px;border-bottom:1px solid var(--line);background:var(--alt);font-family:var(--mono);font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:var(--muted)}
.layer{display:grid;grid-template-columns:30px minmax(0,1fr);gap:14px;padding:16px 18px;border-bottom:1px solid var(--line)}
.layer:last-child{border-bottom:0}
.layer .idx{font-family:var(--mono);font-size:10.5px;color:var(--muted);padding-top:4px}
.layer .lname{font-family:var(--display);font-size:17px;font-weight:550;letter-spacing:-.02em}
.layer .ldesc{font-size:13.5px;color:var(--muted);margin-top:4px;line-height:1.55}
.layer.hot{background:var(--accent-wash)}
.layer.hot .lname,.layer.hot .idx{color:var(--accent)}

/* ─── stats ─── */
.stats{display:grid;gap:0}
@media(min-width:800px){.stats{grid-template-columns:repeat(3,minmax(0,1fr))}}
.stat{padding:26px 0;border-top:1px solid var(--line);display:grid;gap:8px;align-content:start}
@media(min-width:800px){.stat{padding:28px 32px 28px 0}.stat + .stat{padding-left:32px;border-left:1px solid var(--line)}}
.stat .fig{font-family:var(--display);font-size:clamp(30px,3.7vw,44px);font-weight:600;line-height:1.04;letter-spacing:-.035em;font-variant-numeric:tabular-nums}
.stat.key .fig{color:var(--accent)}
.stat .cap-t{font-size:14.5px;color:var(--muted);line-height:1.5;max-width:32ch}
.band .stat{border-top-color:var(--band-line-soft)}
@media(min-width:800px){.band .stat + .stat{border-left-color:var(--band-line-soft)}}

/* ─── ledger ─── */
.lgroup-title{display:flex;align-items:center;gap:16px;padding-block:30px 4px;font-family:var(--mono);font-size:10.5px;letter-spacing:.17em;text-transform:uppercase;color:var(--muted)}
.lgroup-title::after{content:"";flex:1;height:1px;background:var(--line)}
.lgroup-title.now{color:var(--accent)}
.lrow{display:grid;gap:12px 44px;padding-block:28px;border-top:1px solid var(--line)}
@media(min-width:920px){.lrow{grid-template-columns:230px minmax(0,1fr)}}
.lmeta{display:grid;gap:7px;align-content:start}
.ldates{font-family:var(--mono);font-size:11px;letter-spacing:.07em;color:var(--muted);font-variant-numeric:tabular-nums}
.lorg{font-family:var(--display);font-size:20px;font-weight:600;letter-spacing:-.028em;line-height:1.2}
.lplace{font-size:13px;color:var(--muted)}
.lbody{display:grid;gap:11px}
.lrole{font-size:16.5px;font-weight:500;letter-spacing:-.008em}
@media(min-width:920px){.lrow.sub .lmeta{padding-left:22px;position:relative}.lrow.sub .lmeta::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:1px;background:var(--line-2)}}
.lrow.compact{padding-block:22px}
.lrow.compact .lorg{font-size:19px}
.lrow.compact .lrole{font-size:15px}

/* ─── case studies (expandable) ─── */
.case{border-top:1px solid var(--line);padding-block:30px;display:grid;gap:18px}
.case-head{display:grid;gap:12px;justify-items:start}
.case-tabs{display:flex;flex-wrap:wrap;gap:0;border-bottom:1px solid var(--line)}
.case-tab{
  font-family:var(--mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;
  padding:10px 14px;border:0;background:transparent;color:var(--muted);cursor:pointer;position:relative;
}
.case-tab[aria-selected="true"]{color:var(--accent)}
.case-tab[aria-selected="true"]::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--accent)}
.case-panel{font-size:15px;line-height:1.65;color:var(--ink-2);max-width:72ch;padding-top:4px}
.case-panel[hidden]{display:none}

/* ─── posts ─── */
.posts{display:grid}
.post{display:grid;gap:10px 46px;padding-block:26px;border-top:1px solid var(--line);text-decoration:none;position:relative;transition:padding-left .28s ease}
@media(min-width:880px){.post{grid-template-columns:1.05fr .95fr;align-items:baseline}}
.post:hover{padding-left:14px}
.post::before{content:"";position:absolute;left:0;top:26px;bottom:26px;width:2px;background:var(--accent);transform:scaleY(0);transform-origin:top;transition:transform .28s ease}
.post:hover::before{transform:scaleY(1)}
.post .theme{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:9px}
.pt{font-family:var(--display);font-size:clamp(19px,2.2vw,26px);font-weight:550;letter-spacing:-.028em;line-height:1.22;transition:color .2s}
.post:hover .pt{color:var(--accent)}
.pd{font-size:15px;color:var(--muted);line-height:1.6;max-width:52ch}
.post .readmore{font-family:var(--mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--accent);margin-top:8px;display:inline-block}

/* ─── technology wordmarks ─── */
.techgrid{display:grid;gap:0}
@media(min-width:760px){.techgrid{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:56px}}
@media(min-width:1100px){.techgrid{grid-template-columns:repeat(4,minmax(0,1fr));column-gap:40px}}
.techcol{padding:24px 0;border-top:1px solid var(--line);display:grid;gap:14px;align-content:start}
.wordmarks{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:baseline}
.wm{font-family:var(--sans);font-size:17px;font-weight:600;letter-spacing:-.02em;color:var(--ink-2)}
.wm.mono{font-family:var(--mono);font-weight:500;font-size:15px;letter-spacing:-.01em}

/* ─── contact ─── */
.contact-grid{display:grid;gap:clamp(38px,5vw,68px)}
@media(min-width:960px){.contact-grid{grid-template-columns:1.1fr .9fr;align-items:start}}
.channels{display:grid}
.chan{display:flex;justify-content:space-between;gap:20px;align-items:baseline;flex-wrap:wrap;padding:16px 0;border-top:1px solid var(--band-line-soft);text-decoration:none}
.chan .cl{font-family:var(--mono);font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--band-muted)}
.chan .cv{font-family:var(--mono);font-size:13px;color:var(--band-ink-2);border-bottom:1px dashed var(--band-line);padding-bottom:2px;overflow-wrap:anywhere}
a.chan:hover .cv{color:var(--band-accent);border-bottom-style:solid}
.pnote-box{font-size:13.5px;color:var(--band-muted);border-left:1px solid var(--band-accent);padding-left:16px;line-height:1.6;margin-top:22px}

/* ─── footer ─── */
.foot{border-top:1px solid var(--band-line-soft);margin-top:clamp(54px,7vw,92px);padding-top:40px;display:grid;gap:30px}
@media(min-width:820px){.foot{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.foot h4{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--band-muted);font-weight:400;margin:0 0 14px}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.foot li{font-size:14.5px;color:var(--band-ink-2)}
.foot a{text-decoration:none;transition:color .2s}
.foot a:hover{color:var(--band-accent)}
.foot-brand{font-family:var(--display);font-size:21px;font-weight:600;letter-spacing:-.028em;margin-bottom:12px;display:block}
.colophon{margin-top:42px;padding-top:20px;border-top:1px solid var(--band-line-soft);display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;color:var(--band-muted)}

/* ─── misc ─── */
.evidence{border:1px solid var(--line);padding:18px 20px;display:grid;gap:10px;background:var(--alt)}
.evidence .ev-l{font-family:var(--mono);font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:var(--muted)}
.band .evidence{background:var(--band-2);border-color:var(--band-line)}
.keyline{border-left:2px solid var(--accent);padding-left:18px;display:grid;gap:8px}
.tbl-scroll{overflow-x:auto;min-width:0;max-width:100%}
.endpoints{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:12.5px}
.endpoints td{padding:9px 12px 9px 0;border-bottom:1px solid var(--line);vertical-align:top}
.endpoints tr:last-child td{border-bottom:0}
.endpoints .m{color:var(--accent);white-space:nowrap;width:1%;font-weight:500}
.endpoints .d{color:var(--muted);font-family:var(--sans);font-size:12.5px;text-align:right;white-space:nowrap}

a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.band a:focus-visible,.band button:focus-visible{outline-color:var(--band-accent)}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .js-reveal .rv{opacity:1;transform:none}
  .sim-line{opacity:1;transform:none}
}

/* ─── process stepper ─── */
.stepper{display:grid;gap:0;border-top:1px solid var(--line)}
.step-rail{display:flex;overflow-x:auto;scrollbar-width:thin}
.step-chip{
  flex:none;min-width:158px;padding:14px 18px 16px 0;margin-right:18px;background:transparent;border:0;
  border-top:2px solid var(--line);text-align:left;cursor:pointer;font-family:inherit;display:grid;gap:5px;
  transition:border-color .25s ease,color .25s ease;
}
.step-chip .sc-n{font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--muted)}
.step-chip .sc-t{font-size:14px;line-height:1.3;color:var(--ink-2)}
.step-chip.on{border-top-color:var(--accent)}
.step-chip.on .sc-n{color:var(--accent)}
.step-chip.on .sc-t{color:var(--ink);font-weight:500}
.step-chip:hover .sc-t{color:var(--ink)}
.band .step-chip{border-top-color:var(--band-line-soft)}
.band .step-chip.on{border-top-color:var(--band-accent)}
.band .step-chip.on .sc-n{color:var(--band-accent)}
.band .step-chip.on .sc-t{color:var(--band-fg)}
.band .step-chip .sc-t{color:var(--band-ink-2)}
.step-panels{padding-top:30px}
.step-panel{display:grid;gap:16px}
.step-panel[hidden]{display:none}
@media(min-width:880px){.step-panel{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);column-gap:56px;align-items:start}}
.sp-objects{display:grid;gap:10px;border-left:2px solid var(--accent);padding-left:18px}
.sp-team{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* ─── product mockup (concept interface) ─── */
.mock{border:1px solid var(--line);background:var(--ground);overflow:hidden;min-width:0}
.mock-bar{display:flex;align-items:center;gap:10px;padding:11px 14px;border-bottom:1px solid var(--line);background:var(--alt)}
.mock-dots{display:flex;gap:5px}
.mock-dots i{width:7px;height:7px;border-radius:50%;background:var(--line-2);display:block}
.mock-title{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.mock-body{padding:16px;display:grid;gap:12px}
.mock-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:12px 14px;border:1px solid var(--line)}
.mock-row .mr-t{font-size:14px;font-weight:500}
.mock-row .mr-s{font-size:12px;color:var(--muted);margin-top:3px}
.mock-pill{font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;padding:4px 8px;border:1px solid currentColor;white-space:nowrap}
.mp-open{color:var(--accent)}
.mp-done{color:var(--ok)}
.mp-wait{color:var(--warn)}
.mock-kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.mock-kpi{border:1px solid var(--line);padding:12px 14px;display:grid;gap:4px}
.mock-kpi .mk-f{font-family:var(--display);font-size:23px;font-weight:600;line-height:1.05;letter-spacing:-.025em;font-variant-numeric:tabular-nums}
.mock-kpi .mk-l{font-family:var(--mono);font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.mock-note{font-family:var(--mono);font-size:10px;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);padding:10px 14px;border-top:1px solid var(--line);background:var(--alt)}

/* ─── credibility strip ─── */
.credstrip{display:grid;gap:30px;align-items:center}
@media(min-width:980px){.credstrip{grid-template-columns:minmax(0,1.45fr) minmax(0,.55fr);column-gap:56px}}
.logoplate{background:#FFFFFF;border:1px solid var(--line);padding:22px 28px;display:inline-block;justify-self:start;max-width:100%}
.logorow{display:flex;flex-wrap:wrap;align-items:center;gap:18px 36px}
.logorow img{display:block;width:auto;object-fit:contain}
.logo-te{height:42px}
.logo-shell{height:32px}
.logo-sap{height:24px}
.logorow .wm{font-family:var(--display);font-size:17px;font-weight:550;letter-spacing:-.022em;color:#3A414C}
.credstrip .stat-fig{font-family:var(--display);font-size:clamp(34px,4vw,46px);font-weight:600;line-height:1;letter-spacing:-.035em;color:var(--accent);font-variant-numeric:tabular-nums}
@media(max-width:520px){.logoplate{padding:16px 18px}.logorow{gap:14px 20px}.logo-te{height:34px}.logo-shell{height:26px}.logo-sap{height:19px}.logorow .wm{font-size:15px}}

/* contact rows that are links */
a.chan{transition:border-color .2s ease}
a.chan:hover .cl{color:var(--band-accent)}

/* inline links inside a contact row */
.chan .cv a{text-decoration:none;border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease}
.chan .cv a:hover{color:var(--band-accent);border-bottom-color:var(--band-accent)}
.chan .cv .sep{color:var(--band-muted);margin:0 8px}

/* square brand avatars sit alongside free-standing marks */
.logo-tile{height:42px;width:42px;object-fit:cover;border-radius:3px;border:1px solid rgba(0,0,0,.08)}
@media(max-width:520px){.logo-tile{height:34px;width:34px}}

/* availability line */
.avail{
  display:flex;align-items:flex-start;gap:12px;font-size:15.5px;line-height:1.55;color:var(--band-fg);
  border-top:1px solid var(--band-line-soft);padding-top:18px;margin-top:4px;max-width:46ch;
}
.avail-dot{width:7px;height:7px;border-radius:50%;background:var(--band-accent);flex:none;margin-top:7px;position:relative}
@media (prefers-reduced-motion: no-preference){
  .avail-dot::after{content:"";position:absolute;inset:-5px;border-radius:50%;border:1px solid var(--band-accent);opacity:0;animation:ping 3s ease-out infinite}
}
@keyframes ping{0%{transform:scale(.6);opacity:.8}70%{transform:scale(1.5);opacity:0}100%{opacity:0}}

/* ═══ mobile navigation ═══ */
.navtoggle{
  display:none;margin-left:auto;align-items:center;justify-content:center;
  width:40px;height:40px;padding:0;margin-right:-8px;
  background:none;border:0;color:var(--ink);cursor:pointer;
}
.nt-bars{display:block;width:22px;height:14px;position:relative;flex:none}
.nt-bars i{
  position:absolute;left:0;right:0;height:2px;background:currentColor;border-radius:1px;
  transition:transform .3s cubic-bezier(.22,.7,.3,1),opacity .2s ease;
}
.nt-bars i:nth-child(1){top:0}
.nt-bars i:nth-child(2){top:6px}
.nt-bars i:nth-child(3){bottom:0}
.nav.open .nt-bars i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav.open .nt-bars i:nth-child(2){opacity:0;transform:scaleX(.4)}
.nav.open .nt-bars i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-cta.mob{display:none}

@media(max-width:739.98px){
  .navtoggle{display:inline-flex}
  .nav-cta{display:none}
  .navlinks{
    position:fixed;left:0;right:0;top:var(--nav-h);
    display:grid;gap:0;margin:0;overflow-y:auto;
    max-height:calc(100dvh - var(--nav-h));
    background:var(--ground);border-bottom:1px solid var(--line);
    padding:6px clamp(22px,5.2vw,80px) 26px;
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .26s ease,transform .3s cubic-bezier(.22,.7,.3,1);
    box-shadow:0 24px 48px -28px rgba(0,0,0,.45);
  }
  .nav.open .navlinks{opacity:1;transform:none;pointer-events:auto}
  .navlinks{z-index:5}
  .nav.open::after{
    content:"";position:fixed;inset:var(--nav-h) 0 0 0;z-index:1;
    background:rgba(4,6,12,.5);
    animation:scrimIn .26s ease both;
  }
  @keyframes scrimIn{from{opacity:0}to{opacity:1}}
  .nav .navlinks a,
  .nav.solid .navlinks a,
  .nav.always-solid .navlinks a,
  .nav.open .navlinks a{
    color:var(--ink);font-size:17px;padding:16px 0;border-bottom:1px solid var(--line);
    display:flex;align-items:center;justify-content:space-between;
  }
  .navlinks a::after{content:"→";position:static;transform:none;height:auto;background:none;
    font-family:var(--mono);font-size:13px;color:var(--muted);transition:transform .2s ease,color .2s ease}
  .navlinks a:hover::after{transform:translateX(3px);color:var(--accent)}
  .nav .navlinks a.on,
  .nav.solid .navlinks a.on,
  .nav.always-solid .navlinks a.on{color:var(--accent)}
  .navlinks a.on::after{color:var(--accent)}
  .nav .navlinks a.nav-cta.mob,
  .nav.open .navlinks a.nav-cta.mob,
  .nav.solid .navlinks a.nav-cta.mob,
  .nav.always-solid .navlinks a.nav-cta.mob{
    display:flex;align-items:center;justify-content:center;gap:11px;
    margin-top:26px;padding:18px 22px;
    border:1px solid var(--accent);background:var(--accent);color:#fff;
    font-size:15.5px;font-weight:500;letter-spacing:.005em;
    box-shadow:0 14px 30px -22px var(--accent);
    transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .nav .navlinks a.nav-cta.mob::after{
    content:"→";position:static;transform:none;height:auto;width:auto;background:none;
    font-family:var(--mono);font-size:14px;color:#fff;transition:transform .22s ease;
  }
  .nav .navlinks a.nav-cta.mob:hover,
  .nav .navlinks a.nav-cta.mob:active{
    background:var(--accent-deep);border-color:var(--accent-deep);box-shadow:0 8px 20px -20px var(--accent);
  }
  .nav .navlinks a.nav-cta.mob:hover::after{transform:translateX(4px)}
  /* ── 3. on phones the header is a solid bar that never overlaps content ── */
  .nav,.nav.solid,.nav.always-solid,.nav.open{
    background:var(--ground);backdrop-filter:none;border-bottom:1px solid var(--line);
  }
  .nav .brandmark{color:var(--ink)}
  .nav .glyph{border-color:var(--accent)}
  .nav.open{border-bottom-color:transparent}
  .hero{margin-top:0;padding-top:0}
  .hero .wrap{padding-block:clamp(38px,9vw,56px) clamp(38px,8vw,56px)}
}

/* tablet and small laptop: keep the full menu, just tighten it so it fits */
@media(min-width:740px) and (max-width:1099.98px){
  .nav-in{gap:14px}
  .navlinks a{font-size:12.5px;padding:8px 9px}
  .brandmark{font-size:16px}
}
@media (prefers-reduced-motion:reduce){.navlinks{transition:none}}