:root{--paper:#FAF8F4;--card:#FFFFFF;--ink:#16181C;--ink2:#3B4048;--mute:#5C636D;--line:#E4DFD6;--line2:#CFC9BE;--acc:#1D5A7A;--acc-ink:#174A64;--wash:#E6EFF3;--serif:"Source Serif 4",Georgia,"Times New Roman",serif;--sans:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--acc-ink);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--acc);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:12px;background:#fff;padding:8px 12px;z-index:20}
.w{max-width:1120px;margin:0 auto;padding:0 24px}.narrow{max-width:760px}
header.site{position:sticky;top:0;z-index:10;background:var(--paper);border-bottom:1px solid var(--line)}
.topbar{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:17px;color:var(--ink);text-decoration:none;letter-spacing:-.01em;white-space:nowrap}
.mark{width:28px;height:28px;border-radius:7px;background:var(--ink);color:#fff;display:grid;place-items:center;font:600 12px/1 var(--sans);box-shadow:inset 0 -3px 0 var(--acc)}
.brand small{font-weight:500;color:var(--mute);font-size:13px}
nav.top{display:flex;align-items:center;gap:28px}nav.top a{color:var(--ink2);text-decoration:none;font-size:15px}nav.top a:hover{color:var(--ink)}
nav.top a.cta{background:var(--ink);color:#fff;padding:9px 16px;border-radius:7px;font-weight:500}nav.top a.cta:hover{background:#000}
nav.top a.cta{white-space:nowrap}
@media(max-width:820px){nav.top a:not(.cta){display:none}.brand small{display:none}}@media(max-width:480px){.bl{display:none}}
h1,h2{font-family:var(--serif);font-weight:600;letter-spacing:-.018em;color:var(--ink)}
h1{font-size:clamp(38px,5.4vw,60px);line-height:1.04;margin:0 0 22px}
h2{font-size:clamp(28px,3.4vw,40px);line-height:1.12;margin:0 0 16px}
h3{font:600 18px/1.35 var(--sans);margin:0 0 8px;letter-spacing:-.005em}
p{margin:0 0 16px}
.eyebrow{font:600 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--acc-ink);margin:0 0 18px}
.lead{font-size:19px;line-height:1.55;color:var(--ink2);max-width:34em}
.sub{color:var(--ink2);max-width:40em;margin-bottom:40px}
.muted{color:var(--mute)}.small{font-size:14px;line-height:1.5;color:var(--mute)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--acc);color:#fff;font:600 16px/1 var(--sans);padding:15px 22px;border-radius:8px;text-decoration:none;border:1px solid var(--acc);cursor:pointer;min-height:48px}
.btn:hover{background:var(--acc-ink);border-color:var(--acc-ink);text-decoration:none}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line2)}.btn.ghost:hover{border-color:var(--ink);background:transparent}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 14px}
section{padding:96px 0;border-top:1px solid var(--line)}@media(max-width:720px){section{padding:64px 0}}
.g2{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.g2>*,.g3>*{min-width:0}
@media(max-width:900px){.g2{grid-template-columns:1fr;gap:40px}.g3{grid-template-columns:1fr}}
.step{border-top:2px solid var(--ink);padding-top:20px}.step .n{font:600 13px/1 var(--mono);color:var(--acc-ink);display:block;margin-bottom:14px}.step p{color:var(--ink2);margin:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:28px}
.plan{display:flex;flex-direction:column}.plan.pick{border:2px solid var(--ink)}.plan .amt{font:600 40px/1 var(--serif);letter-spacing:-.02em;margin:14px 0 6px}.plan .amt small{font:500 15px var(--sans);color:var(--mute);letter-spacing:0}
.plan ul{list-style:none;padding:0;margin:18px 0 0;color:var(--ink2);font-size:15px}.plan li{padding:9px 0 9px 22px;border-top:1px solid var(--line);position:relative}.plan li:before{content:"";position:absolute;left:2px;top:17px;width:8px;height:8px;border-radius:2px;background:var(--acc)}
.tag{font:600 11px/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;background:var(--wash);color:var(--acc-ink);padding:5px 8px;border-radius:4px;margin-left:8px;vertical-align:3px}
.note{background:var(--wash);border-radius:12px;padding:28px;margin-top:24px}
.faq{max-width:760px}details{border-top:1px solid var(--line);padding:20px 0}details:last-child{border-bottom:1px solid var(--line)}
summary{font:600 17px/1.4 var(--sans);cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px}summary::-webkit-details-marker{display:none}
summary:after{content:"+";font:400 22px/1 var(--sans);color:var(--mute)}details[open] summary:after{content:"\2212"}details p{margin:12px 0 0;color:var(--ink2)}
.facts{list-style:none;padding:0;margin:20px 0}.facts li{padding:12px 0;border-top:1px solid var(--line);color:var(--ink2)}.facts li b{color:var(--ink);font-weight:600}
.src{font-size:13px;color:var(--mute)}
footer.site{border-top:1px solid var(--line);padding:48px 0 56px;font-size:14px;color:var(--mute);background:var(--paper)}
footer.site .cols{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px}footer.site a{color:var(--ink2)}footer.site p{margin:0 0 8px}
.scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;padding:10px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{font-weight:600;color:var(--mute);font-size:12px;letter-spacing:.06em;text-transform:uppercase}td.n,th.n{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
/* ---- GPT Shop Ltd shared components (2026-10-15 design pass) ---- */
.hero{padding:72px 0 80px;border-top:0}.hero .g2{align-items:center}
.shot{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px;box-shadow:0 1px 2px rgba(22,24,28,.04),0 8px 24px rgba(22,24,28,.06)}.shot img{display:block;width:100%;height:auto;border-radius:6px}
.cap{font-size:13px;color:var(--mute);margin:10px 4px 0}
.samples .card h3{margin-top:14px}.samples img{width:100%;height:auto;border:1px solid var(--line);border-radius:6px;display:block}
.list{padding-left:20px;color:var(--ink2)}.list li{margin:6px 0}
.kv{display:grid;grid-template-columns:180px 1fr;gap:10px 24px}.kv dt{font-weight:600}.kv dd{margin:0;color:var(--ink2)}.kv.sm{grid-template-columns:118px 1fr;gap:12px 18px}
@media(max-width:620px){.kv,.kv.sm{grid-template-columns:1fr;gap:4px}.kv dd{margin-bottom:12px}}
.models{margin:18px 0 6px;padding:12px 14px;border-left:3px solid var(--acc);background:var(--wash);color:var(--ink);font-size:15px;line-height:1.5}
nav.top a{min-height:44px;display:inline-flex;align-items:center}footer.site a{display:inline-block;padding:4px 0}
/* wordmark: text only, no initials tile */
.wm{display:inline-flex;align-items:baseline;gap:10px;text-decoration:none;color:var(--ink);white-space:nowrap}
.wm b{font:600 21px/1 var(--serif);letter-spacing:-.015em}.wm b i{font-style:normal;color:var(--acc)}
.wm span{font:500 14px/1 var(--sans);color:var(--mute);padding-left:10px;border-left:1px solid var(--line2)}
@media(max-width:560px){.wm span{display:none}}
/* trust strip */
.trust{list-style:none;margin:0;padding:18px 0;display:flex;flex-wrap:wrap;gap:10px 26px;font:500 14px/1.4 var(--sans);color:var(--ink2)}
.trust li{display:flex;align-items:center;gap:8px}
.trust li:before{content:"";flex:none;width:9px;height:5px;border-left:2px solid var(--acc);border-bottom:2px solid var(--acc);transform:rotate(-45deg) translateY(-2px)}
.trustbar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
section.trustbar{padding:0}
/* checks list */
ul.tick{list-style:none;padding:0;margin:16px 0}ul.tick li{padding-left:26px;position:relative;margin:9px 0;color:var(--ink2)}
ul.tick li:before{content:"";position:absolute;left:2px;top:.55em;width:10px;height:6px;border-left:2px solid var(--acc);border-bottom:2px solid var(--acc);transform:rotate(-45deg)}
ul.cross{list-style:none;padding:0;margin:16px 0}ul.cross li{padding-left:26px;position:relative;margin:9px 0;color:var(--ink2)}ul.cross li:before{content:"\00d7";position:absolute;left:3px;top:-1px;color:var(--mute);font-size:19px}
/* numbered steps */
ol.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:s}
ol.steps li{counter-increment:s;border-top:2px solid var(--ink);padding-top:20px}
ol.steps li:before{content:"Step " counter(s);display:block;font:600 13px/1 var(--mono);color:var(--acc-ink);margin-bottom:14px}
ol.steps p{color:var(--ink2);margin:0}@media(max-width:900px){ol.steps{grid-template-columns:1fr}}
/* pricing tiers */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}@media(max-width:900px){.tiers{grid-template-columns:1fr}}
.tier{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px;display:flex;flex-direction:column}
.tier.pick{border:2px solid var(--ink);position:relative}.tier .badge{position:absolute;top:-12px;left:24px;background:var(--ink);color:#fff;font:600 11px/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;padding:6px 9px;border-radius:4px}
.tier h3{margin:0}.tier .for{color:var(--mute);font-size:14.5px;margin:6px 0 0}
.tier .amt{font:600 40px/1 var(--serif);letter-spacing:-.02em;margin:18px 0 4px}.tier .amt small{font:500 15px var(--sans);color:var(--mute);letter-spacing:0}
.tier .alt{font-size:14px;color:var(--mute);margin:0}
.tier ul{flex:1}.tier .actions{margin:18px 0 0}.tier .btn{width:100%}
.btn.sm{min-height:42px;padding:11px 16px;font-size:15px}
/* spreadsheet artefact */
.sheet{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 8px 24px rgba(22,24,28,.06)}
.sheet .bar{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line);background:#F4F2EC;font:500 13px/1.3 var(--mono);color:var(--mute)}
.sheet table{font-size:13.5px}.sheet td,.sheet th{white-space:nowrap}.sheet td.url{max-width:280px;overflow:hidden;text-overflow:ellipsis;color:var(--mute);font-family:var(--mono);font-size:12.5px}
.sheet th{background:#FBFAF7;font-family:var(--mono);text-transform:none;letter-spacing:0;font-size:12.5px}
/* featured product block */
.feat{display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:32px;align-items:center;background:#fff;border:1px solid var(--line);border-left:4px solid var(--acc);border-radius:12px;padding:32px}
.feat-due{display:inline-block;background:var(--wash);color:var(--acc-ink);border-radius:6px;padding:6px 10px;margin:0 0 14px;font-size:14.5px}
.feat-price{text-align:center;border-left:1px solid var(--line);padding-left:24px}.feat-amt{display:block;font:600 60px/1 var(--serif)}.feat-lbl{display:block;color:var(--mute);font-size:14px;margin-top:6px}
@media(max-width:760px){.feat{grid-template-columns:1fr;padding:24px}.feat-price{display:none}}
/* product rows */
.prods{display:grid;gap:24px}
.prod{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:32px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;align-items:center}
.prod-img{display:block;border:1px solid var(--line);border-radius:8px;overflow:hidden}.prod-img img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;object-position:left top}
.prod h3{font:600 24px/1.2 var(--serif);margin:0 0 10px}.prod h3 a{color:var(--ink);text-decoration:none}
@media(max-width:820px){.prod{grid-template-columns:1fr;gap:18px}}
.more{color:var(--ink);font-weight:600;padding:12px 0}
/* service cards */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}@media(max-width:900px){.svc{grid-template-columns:1fr}}
.svc a.card{display:flex;flex-direction:column;text-decoration:none;color:var(--ink);transition:border-color .15s}.svc a.card:hover{border-color:var(--ink)}
.svc .price{font:600 15px/1 var(--sans);color:var(--acc-ink);margin:0 0 12px}.svc p{color:var(--ink2);font-size:15.5px;margin:0 0 14px}.svc .go{margin-top:auto;font-weight:600}
.tools{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}.tools .card h3{font:600 19px/1.3 var(--serif)}.tools .card p{color:var(--ink2);font-size:15.5px}
.guidelist{columns:2;column-gap:40px;padding-left:18px;color:var(--ink2)}.guidelist li{margin:0 0 10px;break-inside:avoid}@media(max-width:760px){.guidelist{columns:1}}
.sample-frame{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 8px 24px rgba(22,24,28,.06)}.sample-frame iframe{display:block;width:100%;height:640px;border:0}
.sample-actions{display:flex;gap:24px;flex-wrap:wrap;margin-top:14px;font-size:15px}
.glance{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px 26px}.glance dl{margin:0}.glance div{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-top:1px solid var(--line);font-size:15px}.glance div:first-child{border-top:0}.glance dt{color:var(--mute)}.glance dd{margin:0;font-weight:600;text-align:right}
.confirm{background:#FFF4D6;color:#5C3C00;border-radius:4px;padding:1px 5px;font-size:.92em;font-weight:600}
/* shared footer */
footer.sf{border-top:1px solid var(--line);background:#fff;padding:56px 0 40px;font-size:14.5px;color:var(--mute);margin-top:0}
footer.sf .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}@media(max-width:820px){footer.sf .cols{grid-template-columns:1fr}}
footer.sf h4,footer.sf h3.fh{font:600 13px/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--ink);margin:0 0 14px}
footer.sf ul{list-style:none;padding:0;margin:0}footer.sf li{margin:0 0 8px}footer.sf a{color:var(--ink2);text-decoration:none}footer.sf a:hover{text-decoration:underline}
footer.sf p{margin:0 0 8px}footer.sf .legal{border-top:1px solid var(--line);margin-top:32px;padding-top:20px;font-size:13px}
.pad0{padding:0}.mt56{margin-top:56px}.mt28{margin-top:28px}.m0{margin:0}ol.steps.stack{grid-template-columns:1fr;gap:18px}
/* email / reply demo cards */
.mails{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}@media(max-width:980px){.mails{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.mails{grid-template-columns:1fr}}
.mail{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px;display:flex;flex-direction:column;font-size:15px;line-height:1.55}
.pill{align-self:flex-start;font:600 12px/1 var(--sans);letter-spacing:.04em;padding:6px 9px;border-radius:999px;margin-bottom:14px}.pill.ok{background:#E9F0E6;color:#24552D}.pill.hold{background:#FFF4D6;color:#5C3C00}
.mlab{font:600 11.5px/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--mute);margin:4px 0 8px}
.mq{background:#F4F2EC;border-radius:8px;padding:12px 14px;color:var(--ink);margin:0 0 14px}.mr{border-left:3px solid var(--acc);padding:2px 0 2px 12px;color:var(--ink2);margin:0 0 14px;overflow-wrap:anywhere}
.mwhy{margin:auto 0 0;padding-top:12px;border-top:1px solid var(--line);font-size:14px;color:var(--mute)}
.tiers.two{grid-template-columns:repeat(2,minmax(0,1fr))}@media(max-width:640px){.tiers.two{grid-template-columns:1fr}}
.swipe{display:none;margin:0;padding:8px 14px;font:500 13px/1.3 var(--sans);color:var(--acc-ink);background:var(--wash);border-bottom:1px solid var(--line)}
@media(max-width:720px){.swipe{display:block}.scroll.fade{box-shadow:inset -10px 0 8px -8px rgba(0,0,0,.12),inset 10px 0 8px -8px rgba(0,0,0,.12)}.scroll.fade table{background:transparent}}
.narrow .mails{grid-template-columns:1fr}
.eyebrow{line-height:1.4}

/* conversion: after-payment steps */
.afterpay{margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}.afterpay .eyebrow{margin:0 0 6px}.afterpay ol{margin:0;padding-left:20px}.afterpay li{margin:4px 0;font-size:15px}

footer.sf .legal a{text-decoration:underline;text-underline-offset:2px}