/* mondrus.com — redesign 2026-09-13. Tokens swap on [data-theme="dark"]. */
:root{--bg:#f7f6f2;--card:#ffffff;--nav-bg:rgba(247,246,242,.85);--line:#dcd9d1;--ink:#17181c;--ink-soft:#5a5d66;--accent:#173f85;--accent-text:#173f85;--logo-filter:none;--dot:#2f8f5b;
  --serif:'Source Serif 4',Georgia,serif;--sans:'Instrument Sans',Helvetica,Arial,sans-serif;--mono:'IBM Plex Mono',Menlo,Consolas,monospace;color-scheme:light}
[data-theme="dark"]{--bg:#0f1217;--card:#161b23;--nav-bg:rgba(15,18,23,.85);--line:#2a313c;--ink:#eceae4;--ink-soft:#a3a9b3;--accent:#173f85;--accent-text:#8fb0ea;--logo-filter:invert(1) brightness(1.6) grayscale(1);color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;transition:background .3s,color .3s}
a{color:var(--accent-text);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
h1,h2,h3,p{margin:0}
h1,h2,h3,p{text-wrap:pretty}
.wrap{max-width:1120px;margin:0 auto;padding-inline:28px}
.skip{position:fixed;top:-90px;left:20px;z-index:30;background:var(--accent);color:#fff;padding:12px}
.skip:focus{top:10px}
a:focus-visible,button:focus-visible{outline:3px solid #2768c4;outline-offset:4px}

/* type */
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-text)}
.mono-kicker{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--ink-soft)}
.mono-label{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft)}
h1{font-family:var(--serif);font-weight:600;font-size:clamp(40px,5.2vw,64px);line-height:1.04;letter-spacing:-.02em}
h2{font-family:var(--serif);font-weight:600;font-size:clamp(30px,3.6vw,44px);line-height:1.08;letter-spacing:-.02em}
h1 em,h2 em,.card h3 em,.manuscript h3 em{font-style:italic;font-weight:400;color:var(--ink-soft)}
.card-accent h3 em{color:#fff}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 22px;font-weight:500;font-size:15px;border-radius:2px;line-height:1.2}
.btn:hover{text-decoration:none}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-md{padding:12px 18px;font-size:14px}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{opacity:.9}
.btn-ink{background:var(--ink);color:var(--bg)}
.btn-ink:hover{opacity:.9}
.btn-outline{border:1px solid var(--line);color:var(--ink)}
.btn-outline:hover{border-color:#173f85}

/* nav */
.nav{position:sticky;top:0;z-index:10;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:var(--nav-bg);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1120px;margin:0 auto;padding:0 28px;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink)}
.brand:hover{text-decoration:none}
.mark{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;background:var(--accent);color:#fff;font-family:var(--serif);font-weight:600;font-size:14px;letter-spacing:.02em}
.mark-sm{width:26px;height:26px;font-size:12px}
.brand-name{font-weight:600;font-size:15px}
.nav-links{display:flex;align-items:center;gap:26px;font-size:14px;font-weight:500;flex-wrap:wrap}
.nav-links>a:not(.btn){color:var(--ink-soft)}
.theme-toggle{background:none;border:1px solid var(--line);color:var(--ink-soft);font:inherit;font-size:12px;padding:6px 10px;border-radius:2px;cursor:pointer}

/* hero */
.hero{padding-block:88px 72px;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,1fr);gap:64px;align-items:center}
.hero-copy{display:flex;flex-direction:column;gap:28px}
.lead{max-width:560px;font-size:18px;line-height:1.55;color:var(--ink-soft)}
.availability{display:flex;align-items:center;gap:12px;padding:14px 18px;border:1px solid var(--line);background:var(--card);max-width:560px;font-size:15px}
.availability .dot{width:8px;height:8px;border-radius:50%;background:var(--dot);flex:none}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.portrait{margin:0;position:relative}
.portrait img{display:block;width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;background:var(--card);border-radius:2px}
.portrait figcaption{position:absolute;left:16px;right:16px;bottom:16px;background:var(--card);border:1px solid var(--line);padding:12px 14px;font-size:13px;line-height:1.4}
.portrait figcaption strong{display:block;font-weight:600}
.portrait figcaption span{color:var(--ink-soft)}

/* logo strip — the filter goes on the IMAGES only, never the list, or the captions invert with them */
.logo-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--card)}
.logo-strip-inner{padding-block:28px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,3fr);gap:32px;align-items:center}
.logo-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:16px 44px;align-items:center}
.logo-list li{display:flex;align-items:center;gap:8px}
.logo-list img{display:block;width:auto}
.logo-kpmg{height:26px}.logo-loreal{height:22px}.logo-ibm{height:24px}.logo-omp{height:22px}.logo-trive{height:24px}.logo-ltim{height:18px}
.logo-name{font-size:14px;font-weight:500}
.logo-note{font-size:12px;opacity:.7}

/* sections */
.section{padding-block:96px}
.section-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:32px;align-items:end}
.section-head>div{display:flex;flex-direction:column;gap:14px}
.section-intro{max-width:560px;justify-self:end;font-size:16px;line-height:1.55;color:var(--ink-soft)}

/* work */
.work{padding-block:96px 40px;display:flex;flex-direction:column;gap:56px}
.enterprise-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);padding:36px 32px;display:flex;flex-direction:column;gap:18px;border-radius:2px}
.card-top{display:flex;justify-content:space-between;align-items:center;gap:12px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--ink-soft)}
.card-top img{height:18px;width:auto;display:block}
.card h3{font-family:var(--serif);font-weight:600;font-size:clamp(34px,3.6vw,48px);line-height:1;letter-spacing:-.02em}
.card p{font-size:16px;line-height:1.55;color:var(--ink-soft)}
.stats{display:flex;gap:28px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
.stats>div{display:flex;flex-direction:column;gap:4px}
.stats .num{font-family:var(--serif);font-size:30px;font-weight:600;line-height:1}
.stats .lbl{font-size:12px;color:var(--ink-soft)}
.stats-accent .num{color:var(--accent-text)}
.card-accent{background:#173f85;color:#fff;border-color:#173f85}
.card-accent .card-top{color:rgba(255,255,255,.75)}
.card-accent .card-top img{filter:invert(1) brightness(2)}
.card-accent p{color:rgba(255,255,255,.88)}
.card-accent .stats{border-top-color:rgba(255,255,255,.25)}
.card-accent .stats .lbl{color:rgba(255,255,255,.75)}

.products{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.product{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,1.1fr);gap:48px;padding:48px 0;border-bottom:1px solid var(--line);align-items:start}
.product-copy{display:flex;flex-direction:column;gap:16px}
.product h3{display:flex;flex-direction:column;gap:6px}
.product-name{font-family:var(--sans);font-size:14px;font-weight:600;letter-spacing:.02em;text-transform:uppercase;color:var(--accent-text)}
.product-headline{font-family:var(--serif);font-weight:600;font-size:clamp(26px,2.8vw,34px);line-height:1.1;letter-spacing:-.015em}
.product-copy>p{font-size:16px;line-height:1.55;color:var(--ink-soft)}
.how{font-size:14px;line-height:1.55;color:var(--ink-soft);padding:14px 16px;background:var(--card);border:1px solid var(--line)}
.how-label{display:block;margin-bottom:6px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-text)}
.cta{font-weight:500;font-size:15px;align-self:flex-start;color:var(--accent-text)}
.cta-plain{font-size:14px;color:var(--ink-soft)}
.shot{margin:0;display:flex;flex-direction:column;gap:10px}
.shot img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;object-position:top;border:1px solid var(--line);background:var(--card);border-radius:2px}
.shot figcaption{font-family:var(--mono);font-size:12px;color:var(--ink-soft)}

/* background */
.background{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:48px;align-items:start}
.background-intro{display:flex;flex-direction:column;gap:18px;position:sticky;top:88px}
.background-intro>p:not(.kicker){font-size:16px;line-height:1.55;color:var(--ink-soft)}
.background-intro .cta{align-self:flex-start}
.timeline{display:flex;flex-direction:column}
.timeline .row{display:grid;grid-template-columns:120px minmax(0,1fr) auto;gap:20px;padding:20px 0;border-bottom:1px solid var(--line);align-items:center}
.timeline .when{font-family:var(--mono);font-size:12px;color:var(--ink-soft)}
.timeline .what{display:flex;flex-direction:column;gap:3px}
.timeline .what strong{font-weight:600;font-size:16px}
.timeline .what span{font-size:14px;color:var(--ink-soft)}
.timeline img{height:20px;width:auto;max-width:110px;object-fit:contain;display:block}

/* writing */
.writing-band{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.writing{padding-block:96px;display:flex;flex-direction:column;gap:48px}
.writing-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,1fr);gap:20px;align-items:stretch}
.manuscript{background:var(--bg);border:1px solid var(--line);padding:40px 36px;display:flex;flex-direction:column;gap:18px;border-radius:2px}
.manuscript h3{font-family:var(--serif);font-weight:600;font-size:clamp(34px,4vw,54px);line-height:1;letter-spacing:-.02em}
.manuscript .subtitle{font-size:15px;font-weight:500;color:var(--accent-text)}
.manuscript .body{font-size:16px;line-height:1.55;color:var(--ink-soft)}
.manuscript .actions{margin-top:auto}
.earlier-writing{display:flex;flex-direction:column}
.list-label{font-size:11px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.earlier-writing a{display:grid;grid-template-columns:52px minmax(0,1fr) auto;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);color:var(--ink);align-items:baseline}
.earlier-writing a:hover{text-decoration:none;color:var(--accent-text)}
.earlier-writing .year{font-family:var(--mono);font-size:12px;color:var(--ink-soft)}
.earlier-writing .item{display:flex;flex-direction:column;gap:2px}
.earlier-writing .outlet{font-size:12px;color:var(--ink-soft)}
.earlier-writing .title{font-size:15px;font-weight:500}
.earlier-writing .arrow{font-size:13px;color:var(--ink-soft)}

/* contact */
.contact{padding-block:112px 96px;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(260px,1fr);gap:48px;align-items:end}
.contact-copy{display:flex;flex-direction:column;gap:22px}
.contact h2{font-size:clamp(34px,4.4vw,56px);line-height:1.04}
.contact-copy>p:not(.kicker){max-width:600px;font-size:17px;line-height:1.55;color:var(--ink-soft)}
.contact-aside{font-family:var(--mono);font-size:13px;line-height:1.7;color:var(--ink-soft);display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line);padding-left:20px}

/* footer */
.footer{border-top:1px solid var(--line)}
.footer-inner{padding-block:28px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;align-items:center;font-size:13px;color:var(--ink-soft)}
.footer .brand-name{color:var(--ink)}

/* responsive */
@media(max-width:1050px){.hero{gap:36px}.product{gap:28px}}
@media(max-width:760px){
  html{scroll-padding-top:20px}
  .wrap,.nav-inner{padding-inline:20px}
  .nav-inner{padding-block:12px}
  .nav-links{gap:16px}
  .hero{grid-template-columns:1fr;padding-block:48px 40px;gap:36px}
  .portrait{max-width:420px}
  .section{padding-block:56px}
  .work{padding-block:56px 24px;gap:36px}
  .section-head,.background,.contact,.writing-grid,.product,.logo-strip-inner{grid-template-columns:1fr}
  .section-intro{justify-self:start}
  .background-intro{position:static}
  .writing{padding-block:56px;gap:32px}
  .contact{padding-block:64px 56px;align-items:start}
  .timeline .row{grid-template-columns:96px minmax(0,1fr) auto;gap:12px}
  .card{padding:28px 22px}
  .manuscript{padding:28px 24px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}body{transition:none}}
@media print{.nav,.skip,.actions,.theme-toggle{display:none}body{background:#fff;color:#000}.card-accent{background:#fff;color:#000;border:1px solid #999}.card-accent p,.card-accent .card-top,.card-accent .stats .lbl,.card-accent h3 em{color:#000}}

/* Brand marks keep their color in dark mode: no blanket invert/grayscale. Each mark gets the lightest treatment that reads. */
.brand-cbs-dark{display:none}
[data-theme="dark"] .brand-kpmg{filter:brightness(3.2) saturate(1.1)}
[data-theme="dark"] .brand-loreal{filter:invert(1)}
[data-theme="dark"] .brand-ibm{filter:brightness(1.35)}
[data-theme="dark"] .brand-cbs{display:none}
[data-theme="dark"] .brand-cbs-dark{display:block}
.card-accent .brand-loreal,[data-theme="dark"] .card-accent .brand-loreal{filter:invert(1) brightness(2)}
[data-theme="dark"] .brand-ltim{filter:brightness(2.6) saturate(1.1)}

/* Client and account marks (strip row 2) and the added timeline marks */
.logo-strip-inner{row-gap:22px}
.logo-list-clients{gap:14px 34px}
.logo-jpm{height:20px}.logo-db{height:22px}.logo-ubs{height:22px}.logo-vonage{height:18px}.logo-nbcu{height:15px}.logo-diageo{height:22px}.logo-topps{height:24px}.logo-sbc{height:26px}.logo-wpp{height:20px}.logo-merrill{height:20px}.logo-medtronic{height:17px}
.brand-diageo{filter:none}
.timeline .brand-army{height:26px}
[data-theme="dark"] .brand-jpm{filter:brightness(2.6)}
[data-theme="dark"] .brand-db{filter:brightness(0) invert(1)}
[data-theme="dark"] .brand-ubs,[data-theme="dark"] .brand-bfv{filter:invert(1) hue-rotate(180deg)}
[data-theme="dark"] .brand-vonage,[data-theme="dark"] .brand-merrill{filter:invert(1)}
[data-theme="dark"] .brand-nbcu{filter:brightness(2.4)}
[data-theme="dark"] .brand-diageo{filter:invert(1)}
[data-theme="dark"] .brand-sbc{filter:invert(1) hue-rotate(180deg)}
[data-theme="dark"] .brand-wpp{filter:invert(1) hue-rotate(180deg)}
[data-theme="dark"] .brand-medtronic{filter:brightness(1.8)}

/* Writing list: talks without a link render as plain rows; Bitcoin Magazine articles nest as compact sub-rows */
.earlier-writing .plain{display:grid;grid-template-columns:52px minmax(0,1fr) auto;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);color:var(--ink);align-items:baseline}
.earlier-writing a.sub{padding:8px 0 8px 12px;border-bottom:1px dashed var(--line)}
.earlier-writing a.sub .title{font-size:13px;font-weight:400}
.earlier-writing a.sub .outlet{display:none}
.earlier-writing a.sub .year{font-size:11px}
.timeline .brand-cbs-dark{display:none}
[data-theme="dark"] .timeline .brand-cbs{display:none}
[data-theme="dark"] .timeline .brand-cbs-dark{display:block}

/* Video rows in the writing list: locally hosted YouTube stills with a play glyph, replacing the arrow */
.earlier-writing .thumb{position:relative;display:block;width:64px;height:36px;flex:none;align-self:center;border:1px solid var(--line);border-radius:2px;overflow:hidden;background:var(--card)}
.earlier-writing .thumb img{display:block;width:100%;height:100%;object-fit:cover}
.earlier-writing .thumb .play{position:absolute;left:50%;top:50%;width:18px;height:18px;margin:-9px 0 0 -9px;border-radius:50%;background:rgba(15,18,23,.78)}
.earlier-writing .thumb .play::after{content:"";position:absolute;left:7px;top:5px;border-left:6px solid #fff;border-top:4px solid transparent;border-bottom:4px solid transparent}
.earlier-writing a:hover .thumb{border-color:var(--accent-text)}
.earlier-writing a.sub .thumb-art{width:48px;height:27px;align-self:center}

/* Company names in the hero copy: brand color per company, lighter variant in dark mode */
.co{font-weight:500;color:var(--co-l)}
[data-theme="dark"] .co{color:var(--co-d)}
.co-accent{--co-l:var(--accent-text);--co-d:var(--accent-text)}
.co-kpmg{--co-l:#00338d;--co-d:#6a9cff}
.co-ibm{--co-l:#0f62fe;--co-d:#78a9ff}
.co-yahoo{--co-l:#6001d2;--co-d:#b388ff}
.co-bigfoot{--co-l:#1a5fb4;--co-d:#6fa8ff}
.co-bigstar{--co-l:#c8141c;--co-d:#ff6b6b}
.co-redbox{--co-l:#b3102a;--co-d:#ff7a8a}
.co-omp{--co-l:#c90f5c;--co-d:#ff5c9d}
.co-bitcoin{--co-l:#b35f00;--co-d:#f7931a}

/* Hero kicker spans the full content width above the headline and portrait, items spread edge to edge */
.hero{row-gap:28px}
.hero-kicker{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:4px 16px}
@media(max-width:760px){.hero-kicker{justify-content:flex-start;gap:4px 10px}}