:root{
  --ink:#0a1a11; --ink-2:#17301f; --body:#3b4b40; --muted:#68786d;
  --bg:#ffffff; --surface:#f4f9f5; --surface-2:#e7f1ea; --line:#d6e4da;
  --brand:#14653f; --brand-ink:#0d4b2d; --accent:#0b8a62; --gold:#96690f;
  --radius:14px; --maxw:1140px;
  --shadow:0 1px 2px rgba(10,26,17,.05), 0 12px 32px -12px rgba(10,26,17,.16);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{
    --ink:#edf5f0; --ink-2:#d3e5d9; --body:#a1b6a9; --muted:#7d9387;
    --bg:#061009; --surface:#0c1a12; --surface-2:#12241a; --line:#1e3527;
    --brand:#4bc888; --brand-ink:#6edb9f; --accent:#33c6a0; --gold:#d8a442;
    --shadow:0 1px 2px rgba(0,0,0,.45), 0 16px 40px -14px rgba(0,0,0,.75);
  }
}
:root[data-theme="dark"]{
  --ink:#edf5f0; --ink-2:#d3e5d9; --body:#a1b6a9; --muted:#7d9387;
  --bg:#061009; --surface:#0c1a12; --surface-2:#12241a; --line:#1e3527;
  --brand:#4bc888; --brand-ink:#6edb9f; --accent:#33c6a0; --gold:#d8a442;
  --shadow:0 1px 2px rgba(0,0,0,.45), 0 16px 40px -14px rgba(0,0,0,.75);
}
:root[data-theme="light"]{
  --ink:#0a1a11; --ink-2:#17301f; --body:#3b4b40; --muted:#68786d;
  --bg:#ffffff; --surface:#f4f9f5; --surface-2:#e7f1ea; --line:#d6e4da;
  --brand:#14653f; --brand-ink:#0d4b2d; --accent:#0b8a62; --gold:#96690f;
  --shadow:0 1px 2px rgba(10,26,17,.05), 0 12px 32px -12px rgba(10,26,17,.16);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--body);font-family:var(--font);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{color:var(--ink);line-height:1.15;letter-spacing:-.021em;margin:0;text-wrap:balance}
h1{font-size:clamp(2.05rem,5.2vw,3.5rem);font-weight:800;letter-spacing:-.033em}
h2{font-size:clamp(1.65rem,3.4vw,2.4rem);font-weight:750}
h3{font-size:1.155rem;font-weight:700;letter-spacing:-.012em}
p{margin:0}
a{color:var(--brand-ink);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
img{max-width:100%;height:auto;display:block}
svg{display:block}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2.5px solid var(--brand);outline-offset:3px;border-radius:4px}

.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1.15rem,4vw,2rem)}
.skip{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:.7rem 1.1rem;z-index:100;border-radius:0 0 8px 0}
.skip:focus{left:0}
.eyebrow{font-size:.755rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--brand-ink);margin-bottom:.85rem}
.lede{font-size:clamp(1.05rem,1.9vw,1.22rem);color:var(--body);max-width:62ch;line-height:1.62}
section{padding-block:clamp(3.6rem,8vw,6.2rem);scroll-margin-top:76px}
.section-head{max-width:72ch;margin-bottom:clamp(2.2rem,4vw,3.1rem)}
.section-head p{margin-top:1rem}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(14px) saturate(180%);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:66px}
.brand{display:flex;align-items:center;gap:.7rem;color:var(--ink);font-weight:750;letter-spacing:-.02em;font-size:1.035rem}
.brand:hover{text-decoration:none}
.brand-mark{width:34px;height:34px;border-radius:9px;flex:0 0 auto;background:linear-gradient(140deg,var(--brand),var(--accent));display:grid;place-items:center;color:#fff;font-size:.83rem;font-weight:800;letter-spacing:-.04em}
.brand small{display:block;font-size:.685rem;font-weight:600;color:var(--muted);letter-spacing:.05em;text-transform:uppercase;margin-top:1px}
.nav{display:flex;align-items:center;gap:.3rem}
.nav a{color:var(--body);font-size:.885rem;font-weight:600;padding:.5rem .68rem;border-radius:8px}
.nav a:hover{color:var(--ink);background:var(--surface-2);text-decoration:none}
.nav a.head-cta{display:inline-flex;align-items:center;gap:.4rem;background:var(--brand);color:#fff;font-size:.87rem;font-weight:660;padding:.6rem 1.05rem;border-radius:9px;margin-left:.45rem}
.nav a.head-cta:hover{background:var(--brand-ink);color:#fff;text-decoration:none}
.menu-btn{display:none;background:var(--surface-2);border:1px solid var(--line);color:var(--ink);width:42px;height:42px;border-radius:10px;cursor:pointer;align-items:center;justify-content:center}
@media (max-width:960px){
  .nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:.15rem;background:var(--bg);border-bottom:1px solid var(--line);padding:.8rem clamp(1.15rem,4vw,2rem) 1.3rem;box-shadow:var(--shadow);display:none}
  .nav[data-open="true"]{display:flex}
  .nav a{padding:.75rem .6rem;font-size:1rem}
  .nav a.head-cta{margin:.5rem 0 0;justify-content:center;padding:.8rem 1.1rem}
  .menu-btn{display:inline-flex}
}

/* hero */
.hero{position:relative;padding-block:clamp(3rem,7vw,5.2rem) clamp(2.6rem,5vw,4rem);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:
  radial-gradient(58ch 46ch at 8% -12%, color-mix(in srgb,var(--brand) 17%,transparent), transparent 68%),
  radial-gradient(48ch 38ch at 96% 4%, color-mix(in srgb,var(--accent) 13%,transparent), transparent 66%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.32fr) minmax(0,1fr);gap:clamp(2.2rem,5vw,3.6rem);align-items:center}
@media (max-width:980px){.hero-grid{grid-template-columns:1fr}}
.locus{display:inline-flex;align-items:center;gap:.55rem;font-size:.81rem;font-weight:650;color:var(--ink-2);background:var(--surface);border:1px solid var(--line);padding:.42rem .85rem .42rem .7rem;border-radius:999px;margin-bottom:1.4rem}
.locus .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:0 0 auto;box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent)}
.hero h1 .grad{background:linear-gradient(102deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lede{margin-top:1.3rem}
.cta-row{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.9rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-size:.95rem;font-weight:670;padding:.87rem 1.5rem;border-radius:10px;border:1px solid transparent;cursor:pointer;transition:transform .16s ease,background .16s ease,border-color .16s ease}
.btn:hover{text-decoration:none;transform:translateY(-1.5px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px -10px color-mix(in srgb,var(--brand) 60%,transparent)}
.btn-primary:hover{background:var(--brand-ink);color:#fff}
.btn-ghost{background:var(--bg);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-ink)}

.hero-figure{position:relative;margin:0}
.hero-figure img{width:100%;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow);object-fit:cover}
.hero-figure figcaption{position:absolute;left:.85rem;right:.85rem;bottom:.85rem;background:color-mix(in srgb,#04120a 74%,transparent);color:#eaf5ee;font-size:.775rem;font-weight:600;line-height:1.4;padding:.6rem .8rem;border-radius:9px;backdrop-filter:blur(8px)}
@media (max-width:980px){.hero-figure{max-width:400px;margin-inline:auto}}

.stat-row{display:grid;grid-template-columns:repeat(3,auto);gap:.6rem 2.4rem;justify-content:start;margin-top:2.1rem;padding-top:1.6rem;border-top:1px solid var(--line)}
@media (max-width:520px){.stat-row{grid-template-columns:repeat(3,1fr);gap:.6rem 1rem}}
.stat b{display:block;color:var(--ink);font-size:1.5rem;font-weight:800;letter-spacing:-.03em;line-height:1.1}
.stat span{font-size:.755rem;color:var(--muted);line-height:1.35;display:block;margin-top:.22rem}

/* credentials */
.creds{background:var(--surface);border-block:1px solid var(--line);padding-block:clamp(1.9rem,4vw,2.6rem)}
.creds h2{font-size:.755rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);margin-bottom:1.25rem}
.creds ul{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.85rem 2rem}
@media (max-width:860px){.creds ul{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.creds ul{grid-template-columns:1fr}}
.creds li{display:grid;grid-template-columns:19px 1fr;gap:.7rem;font-size:.9rem;line-height:1.5;color:var(--ink-2);font-weight:560}
.creds li svg{margin-top:4px;color:var(--brand)}

/* cards */
.grid{display:grid;gap:1.1rem}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:940px){.g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:660px){.g3,.g2{grid-template-columns:1fr}}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:1.55rem 1.45rem;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;height:100%}
.card:hover{border-color:color-mix(in srgb,var(--brand) 45%,var(--line));transform:translateY(-3px);box-shadow:var(--shadow)}
.card-n{font-size:.78rem;font-weight:800;color:var(--brand-ink);background:color-mix(in srgb,var(--brand) 12%,transparent);width:30px;height:30px;border-radius:8px;display:grid;place-items:center;margin-bottom:1rem;font-variant-numeric:tabular-nums}
.card h3{margin-bottom:.55rem}
.card p{font-size:.92rem;line-height:1.62}

.alt{background:var(--surface);border-block:1px solid var(--line)}

/* speaking */
.speak-top{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:clamp(1.8rem,4vw,3rem);align-items:start;margin-bottom:clamp(2.2rem,4vw,3rem)}
@media (max-width:900px){.speak-top{grid-template-columns:1fr}}
.book-box{background:linear-gradient(158deg,color-mix(in srgb,var(--brand) 13%,var(--bg)),var(--surface));border:1px solid color-mix(in srgb,var(--brand) 26%,var(--line));border-radius:var(--radius);padding:clamp(1.5rem,3vw,1.95rem);box-shadow:var(--shadow)}
.book-box h3{font-size:1.2rem}
.book-box p{margin-top:.7rem;font-size:.915rem;line-height:1.58}
.book-box .btn{width:100%;margin-top:1.25rem}
.book-box .fine{margin-top:.85rem;font-size:.8rem;color:var(--muted);text-align:center}
.book-box .ask{margin-top:1.05rem;display:grid;gap:.42rem}
.book-box .ask li{display:grid;grid-template-columns:13px 1fr;gap:.5rem;font-size:.865rem;line-height:1.5;color:var(--ink-2)}
.book-box .ask li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);margin-top:.58rem}

.topics{display:grid;gap:.62rem;margin-top:1.35rem}
.topics li{display:grid;grid-template-columns:18px 1fr;gap:.7rem;font-size:.945rem;line-height:1.55;color:var(--ink-2)}
.topics li svg{margin-top:5px;color:var(--accent)}

.speak-figure{margin:0 0 clamp(2rem,4vw,2.8rem)}
.speak-figure img{width:100%;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}
.speak-figure figcaption{margin-top:.7rem;font-size:.815rem;color:var(--muted);line-height:1.5}

.talks{border-top:1px solid var(--line)}
.yr{display:flex;align-items:center;gap:1rem;padding:1.5rem 0 .55rem}
.yr b{font-size:.92rem;font-weight:800;color:var(--ink);letter-spacing:.02em;font-variant-numeric:tabular-nums}
.yr i{flex:1;height:1px;background:var(--line)}
.yr em{font-style:normal;font-size:.775rem;color:var(--muted);font-weight:600}
.talk{display:grid;grid-template-columns:88px minmax(0,1fr) auto;gap:.35rem 1.1rem;align-items:start;padding:.95rem 0;border-bottom:1px solid var(--line)}
@media (max-width:720px){.talk{grid-template-columns:1fr;gap:.45rem}}
.role{font-size:.7rem;font-weight:750;letter-spacing:.07em;text-transform:uppercase;padding:.3rem .5rem;border-radius:6px;text-align:center;white-space:nowrap;background:color-mix(in srgb,var(--brand) 12%,transparent);color:var(--brand-ink);margin-top:2px}
@media (max-width:720px){.role{justify-self:start;text-align:left}}
.role.keynote{background:color-mix(in srgb,var(--gold) 17%,transparent);color:var(--gold)}
.role.panelist{background:color-mix(in srgb,var(--accent) 15%,transparent);color:var(--accent)}
.talk h3{font-size:1.005rem;font-weight:690;line-height:1.4}
.talk .where{font-size:.875rem;color:var(--muted);line-height:1.5;margin-top:.18rem}
.talk .where b{color:var(--body);font-weight:640}
.talk .when{font-size:.83rem;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums;margin-top:3px}
@media (max-width:720px){.talk .when{margin-top:0}}

/* about */
.about-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);gap:clamp(2rem,5vw,3.4rem);align-items:start}
@media (max-width:900px){.about-grid{grid-template-columns:1fr}}
.about-figure{margin:0;position:sticky;top:90px}
@media (max-width:900px){.about-figure{position:static;max-width:380px}}
.about-figure img{width:100%;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}
.about-body>*+*{margin-top:1.15rem}
.about-body p{font-size:1rem;line-height:1.72}
.about-body ol{counter-reset:n;display:grid;gap:.7rem}
.about-body ol li{counter-increment:n;display:grid;grid-template-columns:auto 1fr;gap:.6rem;font-size:1rem;line-height:1.65}
.about-body ol li::before{content:counter(n) ")";font-weight:750;color:var(--brand-ink);font-variant-numeric:tabular-nums}

/* contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(2rem,5vw,3.4rem);align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.ci{display:grid;gap:.85rem;margin-top:1.6rem}
.ci-row{display:grid;grid-template-columns:42px 1fr;gap:1rem;align-items:start;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:1.05rem 1.2rem}
.ci-ico{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;background:color-mix(in srgb,var(--brand) 12%,transparent);color:var(--brand-ink)}
.ci-row h3{font-size:.9rem;margin-bottom:.2rem}
.ci-row p,.ci-row a{font-size:.89rem;margin:0}
.ci-row .sub{color:var(--muted);font-size:.825rem;margin-top:.18rem}

/* footer */
.site-foot{background:var(--surface);border-top:1px solid var(--line);padding-block:2.8rem 2.1rem;font-size:.865rem}
.foot-grid{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(2,minmax(0,1fr));gap:2.1rem;padding-bottom:2rem;border-bottom:1px solid var(--line)}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr;gap:1.7rem}}
.foot-grid p{margin-top:.9rem;color:var(--muted);max-width:46ch;font-size:.865rem}
.foot-grid h3{font-size:.77rem;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin-bottom:.8rem;font-weight:700}
.foot-grid li+li{margin-top:.5rem}
.foot-grid li a{color:var(--body)}
.foot-grid li a:hover{color:var(--brand-ink)}
.foot-btm{display:flex;flex-wrap:wrap;gap:.7rem 1.5rem;justify-content:space-between;padding-top:1.45rem;color:var(--muted);font-size:.815rem}


/* ---- shared page furniture (added for multi-page architecture) ---- */
.crumbs{font-size:.815rem;color:var(--muted);padding-top:1.6rem}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:.42rem}
.crumbs li{display:flex;align-items:center;gap:.42rem}
.crumbs li+li::before{content:"/";color:var(--line);font-weight:600}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand-ink)}
.crumbs [aria-current]{color:var(--ink-2);font-weight:600}

.page-head{padding-block:clamp(2.2rem,5vw,3.4rem) 0}
.page-head h1{font-size:clamp(1.95rem,4.4vw,3rem)}
.page-head .lede{margin-top:1.2rem}
.page-head .meta{margin-top:1.35rem;font-size:.83rem;color:var(--muted)}

/* long-form article body */
.prose{max-width:70ch}
.prose>*+*{margin-top:1.15rem}
.prose h2{font-size:clamp(1.4rem,2.6vw,1.85rem);margin-top:2.9rem;scroll-margin-top:84px}
.prose h3{font-size:1.115rem;margin-top:1.9rem}
.prose p,.prose li{font-size:1.005rem;line-height:1.72}
/* Markers are absolutely positioned, NOT grid columns. These <li>s contain a
   <strong> followed by loose text; as a grid the trailing text became its own
   grid item and wrapped into the narrow marker column, one word per line. */
.prose ul.bul{display:grid;gap:.6rem}
.prose ul.bul li{display:block;position:relative;padding-left:1.4rem}
.prose ul.bul li::before{content:"";position:absolute;left:0;top:.62rem;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.prose ol.num{counter-reset:q;display:grid;gap:.85rem}
.prose ol.num li{counter-increment:q;display:block;position:relative;padding-left:2.15rem}
.prose ol.num li::before{content:counter(q) ")";position:absolute;left:0;top:0;font-weight:750;color:var(--brand-ink);font-variant-numeric:tabular-nums}
.prose strong{color:var(--ink);font-weight:680}
.prose blockquote{margin:0;padding:1.15rem 1.35rem;background:var(--surface);border-left:3px solid var(--gold);border-radius:0 12px 12px 0}
.prose blockquote p{font-size:.985rem}

.toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.35rem 1.5rem;margin-top:2rem}
.toc h2{font-size:.755rem!important;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);margin:0 0 .85rem!important}
.toc ol{counter-reset:t;display:grid;gap:.5rem}
.toc li{counter-increment:t;display:grid;grid-template-columns:22px 1fr;gap:.5rem;font-size:.925rem;line-height:1.5}
.toc li::before{content:counter(t) ".";color:var(--muted);font-variant-numeric:tabular-nums}
.toc a{color:var(--ink-2);font-weight:560}

.callout{background:linear-gradient(158deg,color-mix(in srgb,var(--brand) 11%,var(--bg)),var(--surface));
  border:1px solid color-mix(in srgb,var(--brand) 24%,var(--line));border-radius:var(--radius);padding:1.5rem 1.6rem}
.callout h3{margin-top:0!important;font-size:1.06rem}
.callout p{margin-top:.6rem;font-size:.95rem}
.callout .btn{margin-top:1.1rem}

/* next-steps / related page links */
.next{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.1rem;margin-top:clamp(2.4rem,5vw,3.4rem)}
@media (max-width:660px){.next{grid-template-columns:1fr}}
.next a{display:block;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:1.35rem 1.45rem;transition:border-color .18s ease,transform .18s ease}
.next a:hover{border-color:color-mix(in srgb,var(--brand) 45%,var(--line));transform:translateY(-3px);text-decoration:none}
.next .k{font-size:.735rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}
.next .t{display:block;margin-top:.5rem;color:var(--ink);font-weight:700;font-size:1.05rem;letter-spacing:-.015em}
.next .d{display:block;margin-top:.4rem;font-size:.895rem;line-height:1.55;color:var(--body)}

/* Mobile tap targets. Footer links, table-of-contents links and breadcrumbs are
   standalone navigation, so WCAG 2.5.8's inline-link exception does not cover them.
   They measured 16-22px; pad them past 24px. Inline links inside prose are exempt
   and deliberately left alone. */
@media (max-width:768px){
  .foot-grid li a{display:inline-block;padding-block:.32rem}
  .toc a{display:inline-block;padding-block:.2rem}
  .crumbs a,.crumbs [aria-current]{display:inline-block;padding-block:.22rem}
  /* The contact card's LinkedIn link is a primary action, not prose. */
  .ci-row a{display:inline-block;padding-block:.28rem}
}