/* SiteNeuro Ecommerce Playbook (T113): shared by the A4 PDF and the web page. */
@font-face { font-family: "Fraunces"; font-weight: 700; font-display: swap;
  src: url("/assets/fonts/fraunces-700-latin.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 100 900; font-display: swap;
  src: url("/assets/fonts/inter-var-latin.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-display: swap;
  src: url("/assets/fonts/ibm-plex-mono-500-latin.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 600; font-display: swap;
  src: url("/assets/fonts/ibm-plex-mono-600-latin.woff2") format("woff2"); }

:root {
  --navy: #1A2B4A; --navy-deep: #0F1B33; --navy-card: #152440;
  --red: #E5383B; --red-light: #FF8A8C; --blue: #2F5FA8;
  --ground: #F4F6F8; --paper: #FFFFFF; --ink: #0F1B33; --ink-2: #33415C; --ink-3: #5E6B82;
  --on-dark: #FFFFFF; --on-dark-2: #C3CEDF; --on-dark-3: #93A3BC; --hair: #DCE1E8;
  --pass: #0B7A3E; --pass-bg: #E6F4EC; --fail: #B42328; --fail-bg: #FCEBEC;
  --part: #8A5A00; --part-bg: #FFF4DB;
  --serif: "Fraunces", Georgia, serif; --sans: "Inter", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  /* Type and space scale (founder 2026-10-06: larger, more spacious, easier to read).
     The A4 values are here; the web page overrides them under .web. */
  --fs: 11.5pt; --fs-sm: 10.5pt; --fs-xs: 8.5pt; --fs-lead: 13pt; --fs-h3: 11.5pt;
  --lh: 1.55; --gap: 12px; --pad: 12px 16px; --radius: 12px;
}
* { box-sizing: border-box; }
body { margin: 0; font: 400 var(--fs)/var(--lh) var(--sans); color: var(--ink); background: var(--ground); }
h1, h2, h3 { font-family: var(--serif); font-weight: 700; letter-spacing: -.01em; margin: 0; }
p { margin: 0 0 .75em; }
.mono { font-family: var(--mono); }
.kicker { font: 600 var(--fs-xs)/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--red); }
.muted { color: var(--ink-3); }
.chart { width: 100%; height: auto; display: block; margin: 6px 0; }
table { border-collapse: collapse; width: 100%; }
/* The detail that matters, highlighted: a marker stroke under it, never colour alone. */
.hl { font-weight: 700; color: var(--ink); background: linear-gradient(transparent 58%, rgba(229,56,59,.22) 58%); padding: 0 .08em; }
.on-dark .hl, .doit .hl { color: #fff; background: linear-gradient(transparent 58%, rgba(229,56,59,.55) 58%); }

/* ---- blocks shared by print and web ---- */
.data { border-left: 5px solid var(--red); background: var(--paper); padding: var(--pad);
  border-radius: 0 var(--radius) var(--radius) 0; margin: var(--gap) 0; box-shadow: 0 0 0 1px var(--hair) inset; }
.data .tag { font: 600 var(--fs-xs)/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--red); display: block; margin-bottom: 8px; }
.data .tag .from { color: var(--ink-3); letter-spacing: .03em; text-transform: none; }
.data p:last-child { margin-bottom: 0; }
.doit { background: var(--navy); color: var(--on-dark); border-radius: var(--radius); padding: var(--pad); margin: var(--gap) 0; }
.doit b { color: var(--on-dark); }
.doit .tag { font: 600 var(--fs-xs)/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--red-light); display: block; margin-bottom: 8px; }
.doit p { color: var(--on-dark-2); margin: 0; }
.more { border: 1.5px dashed var(--ink-3); border-radius: var(--radius); padding: var(--pad); margin: var(--gap) 0; font-size: var(--fs-sm); color: var(--ink-2); }
.more b { color: var(--ink); }
.tiles { display: grid; gap: var(--gap); grid-template-columns: repeat(var(--n, 3), 1fr); margin: var(--gap) 0; }
.tile { background: var(--paper); border-radius: var(--radius); padding: var(--pad); box-shadow: 0 0 0 1px var(--hair) inset; }
.tile b { display: block; font: 700 calc(var(--fs) * 2.1)/1.05 var(--serif); }
.tile small { color: var(--ink-2); font-size: var(--fs-sm); line-height: 1.4; display: block; margin-top: 6px; }
.tile.bad b { color: var(--fail); } .tile.good b { color: var(--pass); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
.card { background: var(--paper); border-radius: var(--radius); padding: var(--pad); box-shadow: 0 0 0 1px var(--hair) inset; }
.card h3 { font: 700 var(--fs-h3)/1.3 var(--sans); margin-bottom: 6px; }
.card p { font-size: var(--fs-sm); color: var(--ink-2); margin: 0 0 8px; }
.card .fix { font-size: var(--fs-sm); color: var(--pass); margin: 0; }
.card .fix::before { content: "Check: "; font-weight: 700; }
.src-grid { display: grid; gap: var(--gap); }
.src { display: grid; grid-template-columns: 40px 1fr; gap: 14px; background: var(--paper); border-radius: var(--radius); padding: var(--pad); box-shadow: 0 0 0 1px var(--hair) inset; }
.src .ic { width: 40px; height: 40px; border-radius: 10px; background: var(--navy); color: #fff; display: grid; place-items: center; }
.src-pair { align-items: stretch; }
.src { align-content: start; }
.src-pair .src { grid-template-columns: 1fr; gap: 8px; }
.src-pair .src:only-child { grid-column: 1 / -1; grid-template-columns: 40px 1fr; gap: 14px; }
.src .ic svg { width: 21px; height: 21px; }
.src h3 { font: 700 var(--fs-h3)/1.25 var(--sans); }
.src .line { color: var(--ink-3); font-size: var(--fs-sm); margin: 2px 0 6px; }
.src ul { margin: 0; padding-left: 18px; font-size: var(--fs-sm); color: var(--ink-2); }
.src li { margin: 3px 0; }
.tbl { font-size: var(--fs-sm); background: var(--paper); border-radius: var(--radius); overflow: hidden; box-shadow: 0 0 0 1px var(--hair) inset; line-height: 1.45; }
.tbl th { background: var(--navy); color: #fff; text-align: left; font-weight: 600; padding: 9px 10px; }
.tbl td { padding: 9px 10px; border-top: 1px solid var(--hair); vertical-align: top; color: var(--ink-2); }
.tbl td:first-child { color: var(--ink); font-weight: 700; }
.steps { counter-reset: s; display: grid; gap: var(--gap); margin: var(--gap) 0; }
.step { counter-increment: s; display: grid; grid-template-columns: 32px 1fr; gap: 14px; }
.step::before { content: counter(s); width: 32px; height: 32px; border-radius: 50%; background: var(--red); color: #fff; font: 700 var(--fs)/32px var(--sans); text-align: center; }
.step h3 { font: 700 var(--fs-h3)/1.3 var(--sans); margin-top: 3px; }
.step p { font-size: var(--fs-sm); color: var(--ink-2); margin: 2px 0 0; }
.verdict { display: inline-block; font: 700 var(--fs-xs)/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 6px 10px; border-radius: 6px; }
.verdict.no { background: var(--fail-bg); color: var(--fail); }
.verdict.ok { background: var(--pass-bg); color: var(--pass); }
.ticks { list-style: none; padding: 0; margin: 0; }
.ticks li { padding-left: 24px; position: relative; margin: 6px 0; }
.ticks.cols2 { display: grid; grid-template-columns: 1fr 1fr; column-gap: 18px; }
.ticks li::before { content: "✓"; position: absolute; left: 0; color: var(--red); font-weight: 700; }

/* ---- A4 print pages ---- */
@page { size: A4; margin: 0; }
body.print { background: #fff; counter-reset: pg; }
.page { width: 210mm; height: 297mm; position: relative; overflow: hidden; padding: 16mm 17mm 22mm; background: var(--ground); page-break-after: always; break-after: page; counter-increment: pg; }
.page:last-child { page-break-after: auto; break-after: auto; }
.flowpage { display: flex; flex-direction: column; }
.pbody { flex: 1; min-height: 0; overflow: hidden; display: flex; flex-direction: column; gap: 6px; }
.pbody > * { flex: none; }
.pbody > .running { margin-bottom: 4px; color: var(--ink-3); }
.pbody > .opener { margin-bottom: 4mm; }
.pbody h2:first-child { margin-top: 0; }
.pbody .data, .pbody .doit, .pbody .more, .pbody .tiles, .pbody .steps { margin: 4px 0; }
.page h1 { font-size: 27pt; line-height: 1.1; margin: 8px 0 12px; }
.page h2 { font-size: 15pt; line-height: 1.25; margin: 20px 0 8px; }
.page .lead { font-size: var(--fs-lead); line-height: 1.55; color: var(--ink-2); }
.foot { position: absolute; left: 17mm; right: 17mm; bottom: 9mm; display: flex; justify-content: space-between; font: 500 8pt/1 var(--mono); color: var(--ink-3); border-top: 1px solid var(--hair); padding-top: 7px; }
.foot .n::after { content: counter(pg); }
.page.dark { background: var(--navy-deep); color: var(--on-dark); }
.page.dark .foot { color: var(--on-dark-3); border-color: rgba(255,255,255,.12); }
.cover { display: flex; flex-direction: column; }
.cover .brand { font: 700 13pt/1 var(--sans); letter-spacing: .02em; }
.cover .brand span { color: var(--red); }
.cover h1 { font-size: 44pt; line-height: 1.02; margin-top: 24mm; }
.cover .ed { font: 600 10.5pt/1 var(--mono); color: var(--red-light); letter-spacing: .1em; text-transform: uppercase; margin-top: 8mm; }
.cover .sub { font-size: 15pt; line-height: 1.45; color: var(--on-dark-2); margin-top: 8mm; max-width: 145mm; }
.cover-toc { list-style: none; padding: 0; margin: 12mm 0 0; max-width: 140mm; }
.cover-toc li { display: flex; gap: 16px; align-items: baseline; padding: 11px 0; border-bottom: 1px solid rgba(255,255,255,.14); font-size: 13.5pt; color: #fff; }
.cover-toc span { font: 600 10pt/1 var(--mono); color: var(--red-light); }
.cover .nums { margin-top: auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.cover .nums div { border-top: 3px solid var(--red); padding-top: 10px; }
.cover .nums b { display: block; font: 700 25pt/1 var(--serif); color: #fff; }
.cover .nums small { color: var(--on-dark-2); font-size: 9.5pt; line-height: 1.4; display: block; margin-top: 7px; }
.cover .meta { margin-top: 9mm; font: 500 9pt/1.6 var(--mono); color: var(--on-dark-3); }
.opener { display: grid; grid-template-columns: 1fr 62mm; gap: 8mm; align-items: end; background: var(--navy); color: #fff; border-radius: 16px; padding: 8mm 9mm 7mm; margin-bottom: 5mm; }
.opener .kicker { color: var(--red-light); }
.opener h1 { color: #fff; font-size: 23pt; margin: 6px 0 4px; }
.opener ul { margin: 8px 0 0; padding-left: 18px; color: var(--on-dark-2); font-size: var(--fs-sm); }
.opener li { margin: 2px 0; }
.opener .num b { display: block; font: 700 42pt/1 var(--serif); color: #fff; }
.opener .num small { display: block; color: var(--on-dark-2); font-size: 10pt; line-height: 1.4; margin-top: 8px; }
.toc { list-style: none; padding: 0; margin: 0; }
.toc li { display: flex; gap: 12px; align-items: baseline; padding: 10px 0; border-bottom: 1px solid var(--hair); }
.toc .n { font: 600 var(--fs-xs)/1 var(--mono); color: var(--red); width: 28px; }
.toc .t { flex: 1; font-weight: 600; }
.toc .p { font: 500 var(--fs-xs)/1 var(--mono); color: var(--ink-3); }
.legend3 { display: grid; gap: 4px; }
.refs { font-size: var(--fs-sm); color: var(--ink-2); padding-left: 20px; margin: 0; line-height: 1.5; }
.refs li { margin: 5px 0; }
.refs a { color: var(--blue); text-decoration: none; word-break: break-word; }
.cta { background: var(--red); color: #fff; border-radius: var(--radius); padding: var(--pad); }
.cta b { font: 700 15pt/1.25 var(--serif); display: block; margin-bottom: 6px; }
.cta p { margin: 0; color: #fff; }
.ladder { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.ladder > div { background: var(--paper); border-radius: var(--radius); padding: var(--pad); box-shadow: 0 0 0 1px var(--hair) inset; }
.ladder .k { font: 600 var(--fs-xs)/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.ladder b { display: block; font: 700 16pt/1.2 var(--serif); margin: 6px 0 4px; }
.ladder p { font-size: var(--fs-sm); color: var(--ink-2); margin: 0; }
.ladder .now { box-shadow: 0 0 0 2.5px var(--red) inset; }
.receipt td { padding: 7px 12px; }
.receipt td:last-child { text-align: right; font-family: var(--mono); }
.receipt tr.sum td { font-weight: 700; border-top: 2px solid var(--ink); }
.receipt tr.neg td:last-child { color: var(--fail); font-weight: 700; }
.receipt tr.pos td:last-child { color: var(--pass); font-weight: 700; }

/* ---- web page: a larger, roomier scale on the same blocks ---- */
.web {
  --fs: 19px; --fs-sm: 17.5px; --fs-xs: 13px; --fs-lead: 22px; --fs-h3: 20px;
  --lh: 1.7; --gap: 26px; --pad: 24px 28px; --radius: 16px;
  background: var(--ground);
}
.web .wrap { max-width: 800px; margin: 0 auto; padding: 0 20px; }
.web header.top { background: var(--navy-deep); color: #fff; }
.web header.top .bar { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-top: 16px; padding-bottom: 16px; }
.web header.top a { color: #fff; text-decoration: none; font-weight: 700; font-size: 17px; }
.web header.top a span { color: var(--red); }
.web .hero { background: var(--navy-deep); color: #fff; padding: 56px 0 72px; }
.web .hero h1 { font-size: clamp(40px, 7vw, 64px); line-height: 1.04; margin: 16px 0 20px; }
.web .hero p { color: var(--on-dark-2); font-size: 21px; line-height: 1.6; max-width: 600px; margin-bottom: 28px; }
.web .hero .ed { font: 600 13px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--red-light); }
.web .hero-grid { display: grid; grid-template-columns: 1fr 230px; gap: 48px; align-items: center; }
.web .hero-grid img { width: 100%; height: auto; border-radius: 6px; box-shadow: 0 22px 60px rgba(0,0,0,.5); }
.web section { padding: 88px 0; }
.web section + section { border-top: 1px solid var(--hair); }
.web h2 { font-size: clamp(30px, 5vw, 42px); line-height: 1.12; margin: 14px 0 20px; }
.web h2.sub { font-size: clamp(26px, 4vw, 32px); margin-top: 64px; }
.web .lead { font-size: var(--fs-lead); line-height: 1.6; color: var(--ink-2); margin-bottom: 32px; }
.web .kicker { font-size: 13px; }
.web .toc li { padding: 16px 0; font-size: 19px; }
.web .toc .p { font-size: 13px; }
.web .tile b { font-size: 40px; }
.web .form { background: var(--paper); border-radius: var(--radius); padding: 28px; box-shadow: 0 0 0 1px var(--hair) inset; margin-top: 28px; }
.web .form label { font-weight: 700; display: block; margin-bottom: 10px; }
.web .form .row { display: flex; gap: 10px; flex-wrap: wrap; }
.web .form input { flex: 1 1 240px; min-width: 0; font: inherit; padding: 15px 16px; border: 1.5px solid var(--hair); border-radius: 12px; }
.web .btn { display: inline-block; background: var(--red); color: #fff; border: 0; border-radius: 12px; padding: 16px 24px; font: 700 18px/1.2 var(--sans); cursor: pointer; text-decoration: none; }
.web .btn.ghost { background: transparent; color: var(--ink); box-shadow: 0 0 0 1.5px var(--ink) inset; }
.web .note { font-size: 15px; color: var(--ink-3); margin-top: 12px; }
.web .msg.ok { color: var(--pass); font-weight: 600; } .web .msg.err { color: var(--fail); font-weight: 600; }
.web [hidden] { display: none !important; }
.web .share { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.web .share a, .web .share button { font: 600 17px/1 var(--sans); padding: 14px 20px; border-radius: 999px; background: var(--paper); color: var(--ink); box-shadow: 0 0 0 1.5px var(--hair) inset; border: 0; cursor: pointer; text-decoration: none; }
.web .tiles { --n: 3; }
.web .tbl { overflow-x: auto; display: block; }
.web .chart { max-width: 680px; margin: 12px 0 4px; }
.web .bars { display: grid; gap: 16px; margin: 18px 0 6px; }
.web .bar { display: grid; grid-template-columns: minmax(150px, 38%) 1fr auto; gap: 14px; align-items: center; }
.web .bar .l { font-size: var(--fs-sm); }
.web .bar .track { height: 26px; background: var(--ground); border-radius: 6px; overflow: hidden; }
.web .bar .fill { display: block; height: 100%; background: var(--blue); border-radius: 6px; }
.web .bar .v { font-size: var(--fs-sm); white-space: nowrap; }
.web .dark-band { background: var(--navy-deep); color: #fff; }
.web .dark-band h2 { color: #fff; }
.web .dark-band p { color: var(--on-dark-2); }
.web footer { background: var(--navy-deep); color: var(--on-dark-3); padding: 40px 0; font-size: 16px; line-height: 1.6; }
.web footer a { color: var(--on-dark-2); }
@media (max-width: 640px) {
  .web { --fs: 18px; --fs-sm: 17px; --fs-lead: 20px; --fs-h3: 19px; --gap: 20px; --pad: 20px 20px; }
  .web section { padding: 60px 0; }
  .web .hero { padding: 40px 0 52px; }
  .web .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .web .hero-grid img { max-width: 190px; }
  .web .grid2, .web .tiles, .web .ladder { grid-template-columns: 1fr; }
  .web .tile b { font-size: 36px; }
  .web .bar { grid-template-columns: 1fr auto; gap: 6px 12px; }
  .web .bar .l { grid-column: 1 / -1; }
}
.web .dark-band .form p, .web .dark-band .form .note { color: var(--ink-3); }
.web .dark-band .form .msg.ok { color: var(--pass); } .web .dark-band .form .msg.err { color: var(--fail); }