/* Theo tokens (theo-design.md, 22 Oct 2026) + r4 "a little fancier" (23 Oct 2026) */
:root{
  --bg:#FAFAF7; --surface:#FFFFFF; --line:#E6E4DE; --card-line:#E4E2DA; --text:#16181B; --muted:#5F646B; --accent:#1F4D45;
  --wash:#EEF2EE; --forest:#16362F; --cream:#F4EFE3; --cream-muted:#CFD6CC;
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --maxw:1120px; --prose:680px; --gutter:24px;
  --section:112px; --h1:56px; --h1-lh:60px; --body:17px; --body-lh:28px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
@media (max-width:720px){:root{--section:72px; --h1:38px; --h1-lh:42px; --gutter:20px}}
@font-face{font-family:"Instrument Serif";src:url(/fonts/instrument-serif.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Instrument Serif";src:url(/fonts/instrument-serif-italic.woff2) format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"Inter";src:url(/fonts/inter.woff2) format("woff2");font-weight:100 900;font-display:swap}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:400 var(--body)/var(--body-lh) var(--sans);-webkit-font-smoothing:antialiased;overflow-x:clip}
a{color:var(--accent);text-underline-offset:3px}
a:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
.btn:focus-visible{border-radius:999px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.nowrap{white-space:nowrap}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:12px;background:var(--surface);padding:8px 12px;z-index:30}

/* header: transparent at top; solid paper + hairline after 24px (site.js adds .is-scrolled) */
.site-header{position:sticky;top:0;z-index:20;background:transparent;border-bottom:1px solid transparent;transition:background-color .25s ease,border-color .25s ease,backdrop-filter .25s ease}
.site-header.is-scrolled{background:rgb(250,250,247);border-bottom-color:var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:76px}
.wordmark{font:400 30px/1 var(--serif);color:var(--text);text-decoration:none;display:inline-flex;min-height:44px;align-items:center}
.wordmark .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-left:3px;align-self:flex-end;margin-bottom:12px}

/* secondary links: underline grows from the left. 44px hit area via padding, cancelled by negative margin */
.nav-link,.site-footer nav a{text-decoration:none;background:linear-gradient(currentColor,currentColor) no-repeat left calc(100% - 9px)/0 1px;transition:background-size .3s var(--ease),color .2s ease}
.nav-link:hover,.nav-link:focus-visible,.site-footer nav a:hover,.site-footer nav a:focus-visible{background-size:calc(100% - 16px) 1px;background-position:8px calc(100% - 9px)}
.nav-link{color:var(--text);font-weight:500;font-size:15px;line-height:20px;display:inline-block;padding:12px 8px;margin:-12px -8px}
.nav-link:hover{color:var(--accent)}

/* sections */
section{padding:var(--section) 0;position:relative}
#services,#who,#approach,#faq,#contact{border-top:1px solid var(--line)}
#expertise+#who{border-top:0}

/* hero: grain + gradient wash (CSS only), large serif H1, hairline that draws in */
.hero{margin-top:-77px;padding-top:calc(var(--section) * .7 + 77px);padding-bottom:0;overflow:hidden;isolation:isolate}
.hero-wash{position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(60% 55% at 85% 20%,rgba(31,77,69,.07),transparent 70%),
    radial-gradient(50% 60% at 10% 90%,rgba(31,77,69,.05),transparent 70%),
    linear-gradient(180deg,var(--bg) 0%,var(--wash) 100%);
  background-size:140% 140%,140% 140%,100% 100%;background-position:0 0,100% 100%,0 0}
.hero-wash::after{content:"";position:absolute;inset:0;opacity:.35;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.09 0 0 0 0 0.21 0 0 0 0 0.18 0 0 0 .22 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
h1{font:400 var(--h1)/var(--h1-lh) var(--serif);letter-spacing:-.01em;margin:0 0 24px;max-width:15ch}
.hero h1{font-size:clamp(56px,5.6vw,80px);line-height:1.04;letter-spacing:-.015em;max-width:20ch;margin-bottom:28px}
@media (max-width:720px){.hero h1{font-size:44px;line-height:1.06}}
h1 em{font-style:italic;color:var(--accent);padding-right:.04em}
.lede{color:var(--muted);max-width:560px;margin:0 0 40px;font-size:19px;line-height:30px}
@media (max-width:720px){.lede{font-size:17px;line-height:28px}}
.hero-rule-unused{height:1px;margin-top:calc(var(--section) * .8);background:linear-gradient(90deg,rgba(31,77,69,.55),rgba(31,77,69,.12));transform-origin:left center}

/* buttons: ink-green pill, arrow nudges 4px on hover */
.btn{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 26px;background:var(--accent);color:#fff;text-decoration:none;font-weight:500;font-size:16px;border-radius:999px;transition:background-color .2s ease,box-shadow .2s ease}
.btn::after{content:"\2192" / "";display:inline-block;font-weight:400;transition:transform .25s var(--ease)}
.btn:hover{background:#173a34;box-shadow:0 6px 18px -8px rgba(22,54,47,.55)}
.btn:hover::after,.btn:focus-visible::after{transform:translateX(4px)}

h2,.eyebrow{font:500 13px/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 40px}
.eyebrow{margin-bottom:16px}
h3{font:500 18px/26px var(--sans);margin:0 0 8px}

/* what we do: cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;list-style:none;margin:0;padding:0}
.card{background:var(--surface);border:1px solid var(--card-line);border-radius:20px;padding:32px 28px 30px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s ease}
.card:hover{transform:translateY(-2px);box-shadow:0 14px 32px -18px rgba(22,54,47,.28);border-color:var(--accent)}
.card .icon{display:block;width:32px;height:32px;color:var(--accent);margin-bottom:28px}
.card p{margin:0;color:var(--muted)}
@media (max-width:720px){.cards{grid-template-columns:1fr;gap:16px}.card{padding:26px 24px}}

/* how we work: large serif numerals joined by a hairline (horizontal desktop, vertical phone) */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:48px;position:relative}
.steps::before{content:"";position:absolute;left:0;right:0;top:36px;height:1px;background:var(--line)}
.step .num{font:400 72px/72px var(--serif);color:var(--accent);display:inline-block;background:var(--bg);padding-right:16px;margin-bottom:20px;position:relative;width:1.6em;box-sizing:border-box;text-align:left;letter-spacing:normal;white-space:nowrap;font-variant-numeric:lining-nums tabular-nums}
/* whole numeral in one fixed-width box (no per-digit boxes) keeps 01/02/03 aligned and natural */
.step p{margin:0;color:var(--muted)}
@media (max-width:720px){
  .steps{grid-template-columns:1fr;gap:36px}
  .steps::before{left:27px;right:auto;top:30px;bottom:30px;width:1px;height:auto}
  .step{display:grid;grid-template-columns:56px 1fr;gap:20px;align-items:start}
  .step .num{font-size:52px;line-height:60px;padding:0 0 4px;margin:0;text-align:left;width:56px}
  .step h3{margin-top:14px}
}

/* pull-quote band */
.quote-band{background:var(--accent);color:var(--cream);padding:calc(var(--section) * .85) 0}
.quote-line{font:400 clamp(30px,4.4vw,54px)/1.12 var(--serif);letter-spacing:-.01em;margin:0;max-width:22ch}
.quote-line::before{content:"";display:block;width:48px;height:1px;background:var(--cream-muted);margin-bottom:32px}

/* contact */
.contact-email{font:400 clamp(30px,5vw,48px)/1.15 var(--serif);text-decoration:none;color:var(--text);border-bottom:1px solid var(--line);word-break:break-word;display:inline-block;padding-bottom:4px}
.contact-email:hover{color:var(--accent);border-color:var(--accent)}
.contact-soon{font:400 clamp(30px,5vw,48px)/1.15 var(--serif);margin:0;color:var(--text)}
.locality{color:var(--muted);margin:24px 0 0}

/* prose pages */
.prose{max-width:var(--prose);padding-top:calc(var(--section) * .6);padding-bottom:var(--section)}
.prose h1{max-width:none;margin-bottom:12px}
.updated{color:var(--muted);font-size:15px;margin:0 0 48px}
.prose h2{font:500 19px/28px var(--sans);letter-spacing:0;text-transform:none;color:var(--text);margin:40px 0 8px}
.prose p,.prose li{margin:0 0 16px}
.prose ul{padding-left:20px;margin:0 0 16px}

/* footer: dark ink green, cream text, faint big wordmark */
.site-footer{background:var(--forest);color:var(--cream-muted);font-size:14px;line-height:22px;padding:56px 0 48px;overflow:hidden}
.footer-mark{font:400 clamp(104px,24vw,300px)/.8 var(--serif);color:var(--cream);opacity:.1;letter-spacing:-.03em;margin:0 0 40px -.04em;white-space:nowrap;user-select:none}
.site-footer p{margin:0 0 8px}
.site-footer .operator{color:var(--cream)}
.site-footer nav{display:flex;gap:20px;flex-wrap:wrap;align-items:center;margin-top:12px;line-height:22px}
.site-footer a{color:var(--cream);display:inline-block;line-height:22px;padding:11px 6px;margin:-11px -6px}
.site-footer a:hover{color:#fff}
.site-footer a:focus-visible{outline-color:var(--cream)}
.site-footer nav a{background-position:left calc(100% - 10px)}
.site-footer nav a:hover,.site-footer nav a:focus-visible{background-size:calc(100% - 12px) 1px;background-position:6px calc(100% - 10px)}

/* contact form (r3, unchanged except pill button) */
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
.contact-title{font:400 clamp(30px,5vw,48px)/1.15 var(--serif);margin:0;color:var(--text)}
.contact-email-line{margin:16px 0 0}
.contact-form{max-width:560px;margin-top:40px;display:grid;gap:20px}
.field{display:grid;gap:6px}
.field label{font-weight:500;font-size:15px;line-height:20px}
.field input,.field textarea{font:inherit;font-size:16px;line-height:24px;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:9px 12px;min-height:44px;width:100%}
.field textarea{resize:vertical;min-height:132px}
.field input:focus,.field textarea:focus{outline:2px solid var(--accent);outline-offset:0;border-color:var(--accent)}
.field [aria-invalid=true]{border-color:#A3352B}
.field [aria-invalid=true]:focus{border-color:#A3352B;box-shadow:inset 0 0 0 1px #A3352B;outline:2px solid var(--accent);outline-offset:2px}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.contact-form .btn{height:48px;min-height:48px;border:0;cursor:pointer;font-family:var(--sans)}
.contact-form .btn:disabled{opacity:.7;cursor:progress}
.contact-form .btn:disabled::after{transform:none}
.form-status{margin:0;min-height:28px;font-size:16px}
.form-status.ok{color:var(--accent);font-weight:500}
.form-status.err{color:#A3352B}
.contact-form.is-sent .field,.contact-form.is-sent .form-actions{display:none}

/* r5 (Theo r5 spec, 23 Oct 2026) */
.site-nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0}
.menu-btn{display:none}
@media (max-width:720px){
  .site-header .wrap{flex-wrap:wrap}
  .js .menu-btn{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--text);font:500 15px/1 var(--sans);cursor:pointer}
  .menu-btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
  .site-nav{flex-basis:100%}
  .site-nav ul{gap:0;justify-content:space-between;padding:0 0 10px}
  .js .site-nav{display:none}
  .js .site-header.nav-open{background:rgb(250,250,247);border-bottom-color:var(--line)}
  .js .site-header.nav-open .site-nav{display:block}
  .js .site-nav ul{flex-direction:column;padding:4px 0 16px}
  .js .site-nav .nav-link{display:flex;align-items:center;min-height:48px;margin:0;padding:0 2px;font-size:17px;border-top:1px solid var(--line);background:none}
}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px}
.btn-ghost{background:transparent;color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.btn-ghost:hover{background:rgba(31,77,69,.06);box-shadow:inset 0 0 0 1px var(--accent)}
.proof{list-style:none;margin:calc(var(--section) * .75) 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(31,77,69,.25)}
.proof li{padding:22px 20px 26px;font-size:15px;line-height:22px;font-weight:500;color:var(--text);border-left:1px solid var(--line)}
.proof li:first-child{border-left:0;padding-left:0}
@media (max-width:720px){.proof{grid-template-columns:1fr 1fr}.proof li{padding:16px 12px 18px}.proof li:nth-child(odd){border-left:0;padding-left:0}.proof li:nth-child(n+3){border-top:1px solid var(--line)}}
.cards-2{grid-template-columns:repeat(2,1fr)}
.card h3{font-size:20px;line-height:28px}
.points{list-style:none;margin:20px 0 0;padding:20px 0 0;border-top:1px solid var(--line);display:grid;gap:10px}
.points li{position:relative;padding-left:22px;font-size:16px;line-height:25px}
.points li::before{content:"";position:absolute;left:0;top:11px;width:10px;height:1px;background:var(--accent)}
@media (max-width:720px){.cards-2{grid-template-columns:1fr}}
.section-title{font:400 clamp(40px,3.4vw,48px)/1.1 var(--serif);letter-spacing:-.01em;text-transform:none;color:var(--text);margin:0 0 48px;max-width:20ch}
@media (max-width:720px){.section-title{font-size:32px;line-height:38px;margin-bottom:32px}}
.band .section-title{color:var(--cream);margin-bottom:24px}
.band{background:var(--accent);color:var(--cream)}
.band .eyebrow{color:var(--cream-muted)}
.band-rows{list-style:none;margin:0;padding:0;font:400 15px/22px var(--sans);color:var(--cream)}
.band-rows li{padding:16px 0;border-top:1px solid rgba(244,239,227,.3)}
.band-rows li:last-child{border-bottom:1px solid rgba(244,239,227,.3)}
.band-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:64px;align-items:end}
.band-body{margin:0;max-width:58ch;color:var(--cream)}
.band-side{padding-left:0}
.markets-line,.markets{font-variant-caps:all-small-caps;letter-spacing:.08em;font-size:20px;line-height:32px;margin:0;color:var(--cream)}
.markets{list-style:none;padding:0}
@media (max-width:720px){.band-grid{grid-template-columns:1fr;gap:32px}}
.cols{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:48px}
.col{border-top:1px solid var(--accent);padding-top:24px}
.col p{margin:0;color:var(--muted)}
@media (max-width:720px){.cols{grid-template-columns:1fr;gap:32px}}
.approach-note{margin:56px 0 0;padding-top:24px;border-top:1px solid var(--line);color:var(--text);max-width:62ch}
.faq-grid{display:grid;grid-template-columns:1fr 2fr;gap:48px;align-items:start}
.faq details{border-top:1px solid var(--line)}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:24px;min-height:64px;padding:16px 0;font-weight:500;font-size:18px;line-height:26px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:300 26px/1 var(--sans);color:var(--accent);flex:none;transition:transform .25s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}
.faq details p{margin:0 0 24px;color:var(--muted);max-width:60ch}
@media (max-width:720px){.faq-grid{grid-template-columns:1fr;gap:0}.faq-grid .section-title{margin-bottom:24px}.faq summary{font-size:17px}}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.contact-grid .contact-form{margin-top:0}
.contact-sub{color:var(--muted);margin:20px 0 0;max-width:44ch}
@media (max-width:960px){.contact-grid{grid-template-columns:1fr;gap:40px}}
.site-footer .sep{opacity:.5;margin:0 4px}
@media (max-width:720px){.site-footer .operator .sep{display:none}.site-footer .operator .part{display:block}}
section[id]{scroll-margin-top:80px}

/* motion (only when the visitor has not asked for reduced motion) */
@media (prefers-reduced-motion:no-preference){
  .hero-wash{animation:wash 28s ease-in-out infinite alternate}
  .hero-rule-unused{animation:draw 600ms var(--ease) 250ms both}
  .js .reveal-load{animation:rise .7s var(--ease) both;animation-delay:var(--d,0ms)}
  .js .reveal{opacity:0;transform:translateY(12px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:var(--d,0ms)}
  .js .reveal.is-in{opacity:1;transform:none}
  .js .card.reveal.is-in{transition:opacity .7s var(--ease) var(--d,0ms),transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s ease}
  .js .card.reveal.is-in:hover{transform:translateY(-2px)}
}
@media (prefers-reduced-motion:reduce){
  .card,.btn,.btn::after,.site-header,.nav-link,.site-footer nav a,.faq summary::after{transition:none}
  .card:hover{transform:none}
  .btn:hover::after,.btn:focus-visible::after{transform:none}
}
@keyframes wash{to{background-position:100% 60%,0 30%,0 0}}
@keyframes draw{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@media print{.js .reveal{opacity:1!important;transform:none!important}.site-header{position:static}}

/* 404 */
.notfound{padding-bottom:var(--section);min-height:70vh}
.notfound .eyebrow{margin-bottom:20px}