/* acbuyspreadsheet.uk - ACBuy Spreadsheet Quiet Tracking. Prefix qt-. Small-screen rules live at the end. */
:root{
  --qt-paper:#F4F6F9;--qt-card:#FFFFFF;--qt-ink:#241B30;--qt-body:#3B3446;--qt-mute:#625A6D;
  --qt-rule:#D8DCE4;--qt-wash:#EEEAF6;--qt-brand:#31B38C;--qt-brand-ink:#1F7A5F;--qt-hold:#A93A2C;
  --qt-quiet:#7B6F92;--qt-hatch:#DCD5E8;--qt-head:"Rethink Sans",system-ui,sans-serif;
  --qt-text:"Wix Madefor Text",system-ui,sans-serif;--qt-mono:"Victor Mono",ui-monospace,monospace;
  --qt-max:1120px;--qt-radius:10px
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--qt-paper);color:var(--qt-body);font:17px/1.62 var(--qt-text)}
img{max-width:100%;height:auto;display:block}
a{color:var(--qt-brand-ink);text-underline-offset:3px}
a:hover{color:var(--qt-ink)}
h1,h2,h3{font-family:var(--qt-head);color:var(--qt-ink);line-height:1.18;letter-spacing:-.01em}
h1{font-size:2.45rem;margin:.2em 0 .35em}
h2{font-size:1.72rem;margin:0 0 .55em}
h3{font-size:1.2rem;margin:1.1em 0 .4em}
p{margin:0 0 1em}
code,.qt-mono{font-family:var(--qt-mono);font-size:.92em}
.qt-skip{position:absolute;left:-9999px;top:0;background:var(--qt-ink);color:#fff;padding:10px 14px;z-index:20}
.qt-skip:focus{left:10px}
:focus-visible{outline:3px solid var(--qt-brand-ink);outline-offset:2px}

/* header */
.qt-head{background:var(--qt-card);border-bottom:1px solid var(--qt-rule)}
.qt-head-in{max-width:var(--qt-max);margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:20px;justify-content:space-between}
.brandmark{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--qt-ink);min-width:0;min-height:44px}
.brandmark img{width:74px;height:auto}
.brandmark span{font-family:var(--qt-head);font-weight:700;font-size:1rem;line-height:1.15;color:var(--qt-ink)}
.qt-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:2px;flex-wrap:nowrap}
.qt-nav a{display:inline-flex;align-items:center;min-height:44px;min-width:44px;padding:0 9px;border-radius:8px;text-decoration:none;color:var(--qt-body);font-size:.93rem;white-space:nowrap}
.qt-nav a:hover{background:var(--qt-wash);color:var(--qt-ink)}
.qt-nav a[aria-current=page]{color:var(--qt-ink);font-weight:700;box-shadow:inset 0 -3px 0 var(--qt-brand)}
.qt-burger{display:none;min-height:44px;min-width:44px;border:1px solid var(--qt-rule);background:var(--qt-card);border-radius:8px;font:600 .95rem var(--qt-head);color:var(--qt-ink);padding:0 12px}

/* layout */
main{max-width:var(--qt-max);margin:0 auto;padding:0 20px 40px}
.qt-crumbs{font-size:.88rem;margin:14px 0 0;color:var(--qt-mute)}
.qt-crumbs a{display:inline-flex;align-items:center;min-height:44px;min-width:44px}
.qt-sec{padding:38px 0 8px;border-top:1px solid var(--qt-rule)}
.qt-sec:first-of-type{border-top:0}
.qt-split{display:grid;grid-template-columns:45fr 55fr;gap:40px;align-items:stretch}
.qt-split>*{min-width:0}
.qt-split.qt-flip{grid-template-columns:55fr 45fr}
.qt-split.qt-flip>.qt-fig{order:-1}
.qt-text>:last-child{margin-bottom:0}
.qt-fig{margin:0;background:var(--qt-card);border:1px solid var(--qt-rule);border-radius:var(--qt-radius);padding:10px;display:flex;flex-direction:column;justify-content:center}
.qt-fig img{width:auto;max-width:100%;height:auto;border-radius:6px;margin:0 auto}
.qt-fig figcaption{font-size:.86rem;color:var(--qt-mute);margin-top:8px;line-height:1.45}
.qt-wide{margin:18px 0 22px}
.qt-after{margin-top:22px}
.qt-lead{font-size:1.08rem;color:var(--qt-ink)}

/* hero */
.qt-intro{padding:22px 0 8px}
.qt-intro .qt-lede{font-size:1.1rem;max-width:66ch;color:var(--qt-ink)}
.qt-hero{padding:34px 0 26px}
.qt-hero .qt-lede{font-size:1.14rem;max-width:62ch;color:var(--qt-ink)}
.qt-search{display:flex;gap:0;max-width:760px;margin:18px 0 14px;background:var(--qt-card);border:2px solid var(--qt-ink);border-radius:12px;overflow:hidden}
.qt-search label{position:absolute;left:-9999px}
.qt-search input{flex:1;min-width:0;border:0;padding:16px 18px;font:1.05rem var(--qt-text);color:var(--qt-ink);background:transparent;min-height:56px}
.qt-search button{border:0;background:var(--qt-ink);color:#fff;font:700 1rem var(--qt-head);padding:0 24px;min-height:56px;cursor:pointer}
.qt-search button:hover{background:#3a2d4b}
.qt-subnav{display:flex;flex-wrap:wrap;gap:6px 20px;font-size:.95rem}
.qt-subnav a{display:inline-flex;align-items:center;min-height:44px}

/* wall */
.qt-wall{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:18px 0 6px}
.qt-card{display:flex;flex-direction:column;background:var(--qt-card);border:1px solid var(--qt-rule);border-radius:var(--qt-radius);text-decoration:none;color:var(--qt-body);overflow:hidden;min-height:44px}
.qt-card img{width:100%;aspect-ratio:1/1;object-fit:cover}
.qt-card b{font-family:var(--qt-head);color:var(--qt-ink);font-size:1.02rem;padding:10px 12px 0}
.qt-card small{padding:2px 12px 12px;color:var(--qt-mute);font-size:.84rem;line-height:1.4}
.qt-card i{font-style:normal;font-family:var(--qt-mono);font-size:.72rem;color:var(--qt-brand-ink);padding:0 12px 10px;margin-top:auto}
.qt-card:hover{border-color:var(--qt-ink)}

/* tracking-log motif */
.qt-strip{background:var(--qt-card);border:1px solid var(--qt-rule);border-radius:var(--qt-radius);padding:14px 16px;margin:14px 0 6px;font-family:var(--qt-mono);font-size:.86rem;color:var(--qt-body)}
.qt-strip ol{list-style:none;margin:0;padding:0}
.qt-strip li{display:grid;grid-template-columns:7.5em 1fr;gap:12px;padding:5px 0;border-bottom:1px dashed var(--qt-rule)}
.qt-strip li:last-child{border-bottom:0}
.qt-strip .qt-gap{background:repeating-linear-gradient(135deg,var(--qt-hatch) 0 6px,transparent 6px 12px);border-radius:6px;padding:10px 12px;border-bottom:0;margin:4px 0;color:var(--qt-ink)}
.qt-strip .qt-now{color:var(--qt-ink);font-weight:700}
.qt-strip .qt-hold{color:var(--qt-hold);font-weight:700}
.qt-pill{display:inline-block;font-family:var(--qt-mono);font-size:.8rem;padding:2px 8px;border-radius:999px;background:var(--qt-wash);color:var(--qt-ink);white-space:nowrap}
.qt-pill.qt-act{background:#F6E3E0;color:var(--qt-hold)}
.qt-pill.qt-ok{background:#DDF3EA;color:var(--qt-brand-ink)}

/* grids and tables */
.qt-grid4{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:16px 0}
.qt-grid4>a,.qt-grid4>div{display:block;background:var(--qt-card);border:1px solid var(--qt-rule);border-radius:var(--qt-radius);padding:16px 18px;text-decoration:none;color:var(--qt-body)}
.qt-grid4 h3{margin:.3em 0 .35em}
.qt-grid4>a:hover{border-color:var(--qt-ink)}
.qt-tablewrap{overflow-x:auto;margin:14px 0 18px;border:1px solid var(--qt-rule);border-radius:var(--qt-radius);background:var(--qt-card)}
.qt-table{border-collapse:collapse;width:100%;font-size:.93rem}
.qt-table th,.qt-table td{padding:10px 12px;border-bottom:1px solid var(--qt-rule);text-align:left;vertical-align:top}
.qt-table th{font-family:var(--qt-head);color:var(--qt-ink);background:var(--qt-wash);font-size:.9rem}
.qt-table td.qt-n{font-family:var(--qt-mono);white-space:nowrap}
.qt-table tr:last-child td{border-bottom:0}
.qt-table a{display:inline-flex;align-items:center;min-height:44px}
.qt-quote{border-left:4px solid var(--qt-brand);background:var(--qt-card);padding:12px 16px;margin:14px 0;border-radius:0 8px 8px 0;color:var(--qt-ink)}
.qt-quote cite{display:block;font-style:normal;font-size:.84rem;color:var(--qt-mute);margin-top:6px}
.qt-note{background:var(--qt-wash);border-radius:var(--qt-radius);padding:14px 16px;margin:14px 0;font-size:.95rem}
.qt-kv{display:grid;grid-template-columns:max-content 1fr;gap:6px 16px;margin:12px 0}
.qt-kv dt{font-family:var(--qt-mono);font-size:.86rem;color:var(--qt-ink)}
.qt-kv dd{margin:0}
.qt-list{padding-left:1.2em}
.qt-list li{margin-bottom:.45em}
.qt-faq details{background:var(--qt-card);border:1px solid var(--qt-rule);border-radius:var(--qt-radius);margin:10px 0;padding:0 16px}
.qt-faq summary{cursor:pointer;font-family:var(--qt-head);font-weight:700;color:var(--qt-ink);min-height:44px;display:flex;align-items:center;padding:8px 0}
.qt-faq details>div{padding:0 0 12px}
.qt-dl dt{font-family:var(--qt-mono);color:var(--qt-ink);margin-top:12px;font-size:.95rem}
.qt-dl dd{margin:2px 0 0 0}
.qt-cta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;background:var(--qt-ink);color:#EEE9F5;border-radius:12px;padding:20px 22px;margin:34px 0 0}
.qt-cta p{margin:0;max-width:60ch}
.qt-cta a{color:#fff;font-weight:700;display:inline-flex;align-items:center;min-height:44px}

/* tool */
.qt-tool{background:var(--qt-card);border:2px solid var(--qt-ink);border-radius:14px;padding:20px 22px;margin:16px 0 10px}
.qt-tool fieldset{border:0;margin:0 0 14px;padding:0}
.qt-tool legend,.qt-tool label{font-family:var(--qt-head);font-weight:700;color:var(--qt-ink);display:block;margin-bottom:6px}
.qt-tool select,.qt-tool input[type=number]{width:100%;min-height:48px;border:1px solid var(--qt-quiet);border-radius:8px;padding:0 12px;font:1rem var(--qt-text);color:var(--qt-ink);background:var(--qt-card)}
.qt-tool .qt-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.qt-tool .qt-hint{font-size:.84rem;color:var(--qt-mute);margin:6px 0 0}
.qt-tool button{min-height:48px;border:0;border-radius:8px;background:var(--qt-ink);color:#fff;font:700 1rem var(--qt-head);padding:0 22px;cursor:pointer}
.qt-out{margin-top:16px;border-top:1px dashed var(--qt-quiet);padding-top:14px}
.qt-out h3{margin-top:.4em}
.qt-out .qt-verdict{font-family:var(--qt-head);font-size:1.15rem;color:var(--qt-ink);margin:.2em 0 .6em}
.qt-out dl{display:grid;grid-template-columns:11em 1fr;gap:8px 16px;margin:10px 0}
.qt-out dt{font-family:var(--qt-mono);font-size:.84rem;color:var(--qt-mute)}
.qt-out dd{margin:0}

/* footer */
.qt-foot{background:#1C1524;color:#D9D2E3;margin-top:46px}
.qt-foot-in{max-width:var(--qt-max);margin:0 auto;padding:32px 20px 24px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px}
.qt-foot h2{color:#fff;font-size:1rem;margin:0 0 8px}
.qt-foot p{font-size:.88rem;line-height:1.5}
.qt-foot ul{list-style:none;margin:0;padding:0}
.qt-foot a{color:#E9E3F2;display:inline-flex;align-items:center;min-height:44px;font-size:.9rem}
.qt-foot .qt-fine{grid-column:1/-1;border-top:1px solid #3A3245;padding-top:14px;font-size:.82rem;color:#B9B0C6}

@media (prefers-color-scheme:dark){
  :root{--qt-paper:#16121C;--qt-card:#201A29;--qt-ink:#F1EDF6;--qt-body:#D9D3E2;--qt-mute:#ABA3B7;--qt-rule:#3A3245;--qt-wash:#2B2337;--qt-brand-ink:#5FD3AE;--qt-hold:#F08A79;--qt-quiet:#A79BBE;--qt-hatch:#3B3149}
  .qt-search{border-color:#CFC6DD}
  .qt-search button,.qt-tool button{background:#5FD3AE;color:#0D1A15}
  .qt-search button:hover{background:#7FE0C1}
  .qt-cta{background:#2B2337}
  .qt-pill.qt-act{background:#4A2420;color:#F6B2A6}
  .qt-pill.qt-ok{background:#173A2F;color:#7FE0C1}
  .qt-fig{background:#F7F5FA}
  .qt-fig figcaption{color:#4E4659}
  .qt-tool{border-color:#CFC6DD}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* small screens - kept at the end so they win */
@media (max-width:1240px){
  .qt-nav a{padding:0 7px;font-size:.9rem}
  .brandmark span{font-size:.92rem}
}
@media (max-width:1080px){
  .qt-burger{display:inline-flex;align-items:center}
  .qt-nav{display:none;position:absolute;left:0;right:0;top:64px;background:var(--qt-card);border-bottom:1px solid var(--qt-rule);z-index:10}
  .qt-nav.qt-open{display:block}
  .qt-nav ul{flex-direction:column;padding:8px 16px}
  .qt-head{position:relative}
}
@media (max-width:1100px){
  .qt-split,.qt-split.qt-flip{grid-template-columns:1fr;gap:18px}
  .qt-split.qt-flip>.qt-fig{order:0}
}
@media (max-width:860px){
  h1{font-size:1.95rem}
  h2{font-size:1.45rem}
  .qt-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .qt-grid4{grid-template-columns:1fr}
  .qt-tool .qt-row{grid-template-columns:1fr}
  .qt-foot-in{grid-template-columns:1fr 1fr}
  .qt-out dl{grid-template-columns:1fr}
}
@media (max-width:480px){
  body{font-size:16px}
  .qt-search{flex-direction:column}
  .qt-search button{min-height:50px}
  .qt-foot-in{grid-template-columns:1fr}
  .qt-strip li{grid-template-columns:1fr;gap:2px}
  .qt-kv{grid-template-columns:1fr}
  .brandmark img{width:60px}
}

/* Oct18: a broader shopping journey in the quiet-tracking visual language. */
.qt-homehero{position:relative;isolation:isolate;border-radius:0 0 18px 18px;overflow:hidden;margin:0 -20px;padding:42px 28px 30px;background:#f4f7fc}.qt-sky{position:absolute;z-index:-1;inset:0 0 0 40%;overflow:hidden}.qt-sky:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#f4f7fc 0,rgba(244,247,252,.7) 27%,rgba(244,247,252,0) 65%)}.qt-sky img{height:100%;width:100%;object-fit:cover;object-position:66% center}.qt-hero-copy h1{font-size:clamp(2.2rem,3.6vw,3.25rem);max-width:21ch}.qt-hero-copy>.qt-lede{max-width:45ch}.qt-hero-copy .qt-search{max-width:700px;margin-top:26px}.qt-hero-copy .qt-subnav{max-width:700px;background:rgba(244,247,252,.93);border-radius:8px;padding:0 10px}.qt-eyebrow{font:500 .77rem var(--qt-mono);letter-spacing:.08em;text-transform:uppercase;margin:0 0 13px;color:var(--qt-brand-ink)}.qt-role-pair{display:grid;grid-template-columns:1fr 1fr;gap:34px}.qt-role-pair article{padding:24px;background:var(--qt-card);border-left:4px solid var(--qt-brand);border-radius:0 12px 12px 0}.qt-role-pair article+article{border-color:var(--qt-quiet)}.qt-role-pair h3{font-size:1.5rem;margin-top:0}.qt-order-rail{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}.qt-order-rail li{position:relative;counter-increment:step;border-top:2px dashed var(--qt-quiet);padding:20px 0 10px}.qt-order-rail li:before{content:counter(step);display:block;border-radius:50%;background:var(--qt-ink);color:var(--qt-card);font:500 .8rem var(--qt-mono);width:25px;height:25px;text-align:center;line-height:25px;position:absolute;top:-13px}.qt-order-rail b{display:block;color:var(--qt-ink);font:700 1.25rem var(--qt-head);margin-bottom:5px}.qt-order-rail span{font-size:.95rem}.qt-biglink{font-weight:700;display:inline-flex;align-items:center;min-height:48px}.qt-why-rows article{display:grid;grid-template-columns:1fr 1.6fr;gap:32px;border-top:1px solid var(--qt-rule);padding:20px 0}.qt-why-rows h3{margin:0;font-size:1.3rem}.qt-why-rows p{margin:0}.qt-tracking-feature{background:var(--qt-wash);border-radius:14px;padding:28px;display:grid;grid-template-columns:1fr 1.15fr;gap:42px}.qt-tracking-feature h3{font-size:1.8rem;margin-top:0}.qt-small{font-size:.86rem;color:var(--qt-mute)}.qt-status-links{display:grid;gap:12px}.qt-status-links a{display:block;background:var(--qt-card);padding:18px;text-decoration:none;border-radius:8px;border:1px solid var(--qt-rule);color:var(--qt-body)}.qt-status-links b{display:block;color:var(--qt-ink);margin:8px 0 5px}.qt-status-links a>span:last-child{font-size:.9rem}.qt-next-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.qt-next-links a{border-bottom:1px solid var(--qt-rule);padding:12px 0;min-height:60px}.qt-sec{padding-bottom:30px}.qt-guide-images{max-width:1000px;margin:24px auto 0}.qt-guide-fig{margin-bottom:24px;padding:14px}.qt-guide-copy{max-width:76ch}.qt-guide-step h2{padding-left:14px;border-left:4px solid var(--qt-brand)}.qt-full{display:inline-block;min-height:32px;padding-block:5px}.qt-split:has(>.qt-text:only-child){display:block}.qt-split>.qt-text:only-child{max-width:78ch}
@media(max-width:800px){.qt-sky{inset:0;opacity:.25}.qt-sky:after{background:linear-gradient(90deg,#f4f7fc,rgba(244,247,252,.6))}.qt-homehero{padding:32px 20px}.qt-hero-copy>.qt-lede{max-width:52ch}.qt-role-pair{gap:18px}.qt-tracking-feature{grid-template-columns:1fr;gap:20px}.qt-next-links{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.qt-homehero{padding-top:26px}.qt-sky{inset:0 0 auto;height:170px;opacity:1;position:relative;margin:-26px -20px 24px;width:calc(100% + 40px)}.qt-sky:after{background:linear-gradient(0deg,#f4f7fc 0,transparent 45%)}.qt-sky img{object-position:center}.qt-hero-copy h1{font-size:2.15rem}.qt-hero-copy .qt-subnav{padding:0;background:transparent;gap:0}.qt-role-pair{grid-template-columns:1fr}.qt-order-rail{grid-template-columns:repeat(2,1fr);gap:30px 20px;margin-top:30px}.qt-why-rows article{grid-template-columns:1fr;gap:10px}.qt-tracking-feature{padding:20px}.qt-next-links{grid-template-columns:1fr}.qt-next-links a{min-height:48px}.qt-guide-fig{padding:6px}.qt-sec{padding-top:30px}}
@media(prefers-color-scheme:dark){.qt-homehero{background:var(--qt-paper)}.qt-sky:after{background:linear-gradient(90deg,var(--qt-paper),rgba(20,17,26,.65) 38%,transparent 90%)}.qt-hero-copy .qt-subnav{background:var(--qt-paper)}@media(max-width:520px){.qt-sky:after{background:linear-gradient(0deg,var(--qt-paper),transparent 55%)}}}

main:has(.qt-guide-images){max-width:1200px}main:has(.qt-guide-images)>.qt-sec:not(.qt-guide-step){max-width:1080px;margin-inline:auto}.qt-guide-images{max-width:1120px}

@media(prefers-color-scheme:dark){.brandmark img{filter:invert(1)}}

/* Final coverage follow-up: original-image links remain easy to activate. */
.qt-full{display:inline-flex;align-items:center;min-height:44px}