docs(sdlc): correct header CI to the reference measurements

scripts/sdlc-delivery/assets/header.html

@@ -1,11 +1,14 @@
-<!-- Repeating page header, positioned to the measured geometry of the audited
-     reference package: logo, company block, grey wedge and blue banner. -->
-<div style="-webkit-print-color-adjust:exact; box-sizing:border-box; print-color-adjust:exact; top:-5.5mm; font-family:'BRN Thai',Arial,sans-serif; height:27mm; margin:0; padding:0; position:relative; width:210mm;">
-  <div style="background:{{ciGrey}}; clip-path:polygon(0 100%, 14% 0, 100% 0, 100% 100%); height:4.1mm; left:56.8mm; position:absolute; top:8.9mm; width:76.4mm;"></div>
-  <div style="background:{{ciBlue}}; box-sizing:border-box; clip-path:polygon(0 0, 100% 0, 100% 100%, 12.4mm 100%); color:#fff; font-size:12.5pt; height:12.4mm; left:127.2mm; line-height:12.4mm; padding:0 7mm 0 0; position:absolute; text-align:right; top:8.9mm; white-space:nowrap; width:70mm;">{{documentTitle}}</div>
-  <img src="{{logoPath}}" alt="" style="height:11.7mm; left:39.4mm; object-fit:contain; position:absolute; top:11mm; width:12mm;">
-  <div style="left:56.8mm; position:absolute; top:14.8mm; width:78mm;">
-    <div style="color:#111; font-size:11pt; font-weight:700; letter-spacing:.005em; line-height:1;">B.R.N. ENTERPRISE CO., LTD.</div>
-    <div style="color:#111; font-size:6.4pt; line-height:1.75; margin-top:1.4mm; white-space:nowrap;">1011 Supalai Grand Tower, 7<sup>th</sup> Floor, Unit 6-7, Rama 3 Road, Chongnonsi, Yannawa, Bangkok 10120<br>Tel. (+66) 2687 0250 &nbsp;&nbsp; Fax. (+66) 2687 0255</div>
-  </div>
+<!-- Repeating page header reproducing the corporate identity of the audited
+     reference package. Every position is in millimetres measured from the
+     reference scan: logo at 39.4/11.0, grey ribbon 67.5–132.2, blue banner
+     127.2–197.2 with a 13.8mm diagonal, a rule under the company name from
+     55.4mm, and the address block beneath it. The Latin face is Liberation
+     Sans, metric-compatible with the Arial of the reference. -->
+<div style="-webkit-print-color-adjust:exact; box-sizing:border-box; print-color-adjust:exact; top:-5.5mm; font-family:'Liberation Sans',Arial,Helvetica,sans-serif; height:27mm; margin:0; padding:0; position:relative; width:210mm;">
+  <div style="background:{{ciGrey}}; box-sizing:border-box; clip-path:polygon(0 0, 100% 0, 100% 100%, 16mm 100%); height:4.3mm; left:67.5mm; position:absolute; top:8.9mm; width:64.7mm;"></div>
+  <div style="background:{{ciBlue}}; box-sizing:border-box; clip-path:polygon(0 0, 100% 0, 100% 100%, 13.8mm 100%); color:#fff; font-size:13.5pt; height:12.5mm; left:127.2mm; line-height:14.1mm; padding:0 7.8mm 0 0; position:absolute; text-align:right; top:8.6mm; white-space:nowrap; width:70mm;">{{documentTitle}}</div>
+  <img src="{{logoPath}}" alt="" style="height:11.7mm; left:39.4mm; object-fit:contain; position:absolute; top:11mm; width:12.1mm;">
+  <div style="color:#111; font-family:'Liberation Sans Narrow','Arial Narrow',Arial,sans-serif; font-size:10.6pt; font-weight:700; left:56.8mm; line-height:1; position:absolute; top:16.5mm; white-space:nowrap;">B.R.N. ENTERPRISE CO., LTD.</div>
+  <div style="background:#111; height:.45mm; left:55.4mm; position:absolute; top:19.6mm; width:84.5mm;"></div>
+  <div style="color:#111; font-size:5pt; left:56.8mm; line-height:2.4mm; position:absolute; top:20.07mm; white-space:nowrap;">1011 Supalai Grand Tower, 7<sup>th</sup> Floor, Unit 6-7, Rama 3 Road, Chongnonsi, Yannawa, Bangkok 10120<br>Tel. (+66) 2687 0250 &nbsp;&nbsp;Fax. (+66) 2687 0255</div>
 </div>

scripts/sdlc-delivery/assets/sdlc-delivery.css

@@ -8,7 +8,7 @@
 
 :root {
   --brn-blue: #0797d5;   /* corporate blue, sampled from the CI header asset */
-  --brn-grey: #60656a;   /* corporate grey used by the header wedge */
+  --brn-grey: #8e8e8e;   /* header ribbon grey, measured from the reference */
   --brn-red: #e01f26;    /* corporate red of the logo mark */
   --brn-ink: #111111;
   --brn-muted: #333333;

scripts/sdlc-delivery/render-sdlc.mjs

@@ -210,7 +210,7 @@ async function main() {
     documentTitle: title,
     documentType: metadata['Document No'] ?? title,
     ciBlue: '#0797d5',
-    ciGrey: '#60656a',
+    ciGrey: '#8e8e8e',   // ribbon grey measured from the audited reference documents
     standard: 'ISO/IEC 29110-4-1:2018',
     footerTag: footer,
     release: metadata['Release, Version, By:'] ?? '',