/* Notice d'utilisation : page web (dans le site) et version A4 imprimée en PDF (body.nt-print). */
.nt-web *, .nt-web *::before, .nt-web *::after, body.nt-print, body.nt-print *, body.nt-print *::before, body.nt-print *::after { box-sizing: border-box; }
.nt-set > *, .nt-side-fig > *, .nt-scr > *, .nt-grid2 > * { min-width: 0; }
.nt-web { padding-bottom: 50px; }
.nt-intro { display: grid; gap: 18px; grid-template-columns: 1fr; align-items: center; margin-bottom: 8px; }
@media (min-width: 900px) { .nt-intro { grid-template-columns: 1fr auto; } }
.nt-lead { font-size: 1.08rem; line-height: 1.55; }
.nt-dl { text-align: right; }
.nt-dl .btn { white-space: nowrap; }
.nt-langs { margin: 10px 0 0; font-size: .86rem; color: var(--ink-soft, #55606B); }
.nt-langs a { margin-left: 6px; }
.nt-layout { display: grid; grid-template-columns: 1fr; gap: 30px; margin-top: 24px; }
@media (min-width: 1000px) { .nt-layout { grid-template-columns: 230px minmax(0, 1fr); } }
.nt-side { align-self: start; }
@media (min-width: 1000px) { .nt-side { position: sticky; top: 90px; } }
.nt-side p { font: 700 .82rem 'Barlow Condensed', sans-serif; letter-spacing: .12em; text-transform: uppercase; color: var(--red, #A8322A); margin: 0 0 8px; }
.nt-side ol { margin: 0; padding-left: 22px; font-size: .92rem; }
.nt-side li { margin-bottom: 5px; }
.nt-side a { text-decoration: none; color: inherit; }
.nt-side a:hover { color: var(--red, #A8322A); text-decoration: underline; }
@media (max-width: 999px) { .nt-side { border: 1.5px solid var(--border, #CCC3AF); border-radius: 8px; padding: 14px 16px; background: var(--surface, #F4EFE4); } .nt-side ol { columns: 2; column-gap: 20px; } }
.nt-chapter { padding-top: 10px; margin-bottom: 44px; scroll-margin-top: 90px; }
.nt-kicker { display: flex; align-items: center; gap: 10px; font: 700 .9rem 'Barlow Condensed', sans-serif; letter-spacing: .14em; text-transform: uppercase; color: var(--red, #A8322A); }
.nt-kicker span { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--red, #A8322A); color: #fff; letter-spacing: 0; }
.nt-h { font-family: 'Anton', sans-serif; font-weight: 400; text-transform: uppercase; color: var(--title, #263C50); font-size: clamp(1.7rem, 3.4vw, 2.3rem); line-height: 1.05; margin: 6px 0 4px; }
.nt-h::after { content: ""; display: block; height: 7px; width: 96px; margin-top: 10px; background: linear-gradient(90deg, var(--blue, #263C50) 0 42%, transparent 42% 58%, var(--blue, #263C50) 58%); }
.nt-chapter h3 { font: 700 1.02rem 'Barlow Condensed', sans-serif; letter-spacing: .05em; text-transform: uppercase; color: var(--red, #A8322A); margin: 16px 0 4px; }
.nt-h3 { margin-top: 26px !important; }
.nt-chapter p { margin: 0 0 9px; line-height: 1.55; }
.nt-muted { color: var(--ink-soft, #55606B); }
.nt-small { font-size: .85rem; color: var(--ink-soft, #55606B); }
.nt-grid2 { display: grid; gap: 22px; grid-template-columns: 1fr; }
.nt-grid3 { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 760px) { .nt-grid2 { grid-template-columns: 1fr 1fr; } .nt-grid3 { grid-template-columns: repeat(3, 1fr); } }
.nt-side-fig { display: grid; gap: 24px; grid-template-columns: 1fr; align-items: start; }
@media (min-width: 900px) { .nt-side-fig { grid-template-columns: minmax(0, 1fr) 300px; } }
.nt-fig { margin: 14px 0; }
.nt-fig figcaption { font-size: .84rem; font-style: italic; color: var(--ink-soft, #55606B); margin-top: 6px; }
.nt-narrow { max-width: 720px; }
.nt-ill { background: #FBF8F1; border: 1px solid #D8CFBC; border-radius: 6px; padding: 10px; }
.nt-box { border: 1.2px solid #D8CFBC; border-left: 5px solid var(--blue, #263C50); background: #FBF8F1; color: #1A2530; border-radius: 4px; padding: 12px 14px; margin: 12px 0; }
.nt-box.warn { border-left-color: var(--red, #A8322A); background: #FBF1EE; }
.nt-box.tip { border-left-color: #2E7D4F; background: #EFF7F1; }
.nt-box > b:first-child { display: block; font-family: 'Barlow Condensed', sans-serif; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 3px; }
.nt-box ul { margin: 0; padding-left: 18px; }
.nt-steps { list-style: none; padding: 0; margin: 10px 0; counter-reset: st; }
.nt-steps > li { counter-increment: st; position: relative; padding-left: 36px; margin-bottom: 10px; line-height: 1.5; }
.nt-steps > li::before { content: counter(st); position: absolute; left: 0; top: 0; width: 25px; height: 25px; border-radius: 50%; background: var(--blue, #263C50); color: #fff; font: 700 .95rem/25px 'Barlow Condensed', sans-serif; text-align: center; }
.nt-t { width: 100%; border-collapse: collapse; font-size: .93rem; margin: 8px 0 12px; }
.nt-t th { text-align: left; font: 700 .82rem 'Barlow Condensed', sans-serif; letter-spacing: .06em; text-transform: uppercase; color: #fff; background: var(--blue, #263C50); padding: 7px 9px; }
.nt-t td { padding: 7px 9px; border-bottom: 1px solid #D8CFBC; vertical-align: top; }
.nt-t tr:nth-child(even) td { background: rgba(216,207,188,.22); }
.nt-t .yes { color: #2E7D4F; font-weight: 700; text-align: center; } .nt-t .no { color: #B5ACA0; text-align: center; }
.nt-formula { text-align: center; font-family: Consolas, ui-monospace, monospace; font-size: .9rem; background: rgba(216,207,188,.35); padding: 6px; border-radius: 3px; }
.nt-tag { display: inline-block; vertical-align: middle; font: 700 .72rem 'Barlow Condensed', sans-serif; letter-spacing: .06em; text-transform: none; background: var(--red, #A8322A); color: #fff; padding: 2px 7px; border-radius: 3px; margin-left: 4px; }
.nt-tag.is-blue { background: var(--blue, #263C50); }
.mono, .nt-chapter .mono { font-family: Consolas, ui-monospace, monospace; background: rgba(216,207,188,.45); padding: 0 4px; border-radius: 3px; }
/* photo du tableau de bord avec les écrans */
.nt-stage { position: relative; border-radius: 6px; overflow: hidden; }
.nt-stage img.bg { display: block; width: 100%; }
.nt-stage .dial { position: absolute; border-radius: 50%; overflow: hidden; background: #000; }
.nt-stage .dial img { width: 100%; height: 100%; display: block; }
.nt-stage .dial.l { left: 9.47%; top: 49.053%; width: 21.508%; height: 39.47%; }
.nt-stage .dial.r { left: 67.719%; top: 48.106%; width: 21.76%; height: 40.151%; }
.nt-callout { position: absolute; font: 700 .78rem 'Barlow Condensed', sans-serif; letter-spacing: .05em; text-transform: uppercase; color: #fff; background: var(--red, #A8322A); padding: 3px 8px; border-radius: 3px; white-space: nowrap; }
.nt-callout.blue { background: var(--blue, #263C50); }
/* écrans ronds */
.nt-screens { display: flex; gap: 12px; flex-wrap: wrap; }
.nt-screen { width: 150px; height: 150px; flex: none; border-radius: 50%; overflow: hidden; background: #000; box-shadow: 0 0 0 3px #2A2A2A, 0 0 0 5px #9D9A93, 0 4px 10px rgba(0,0,0,.35); }
.nt-screen img { display: block; width: 100%; height: 100%; }
.nt-scr { display: grid; grid-template-columns: 160px 1fr; gap: 18px; align-items: center; margin: 18px 0; break-inside: avoid; }
.nt-scr h3 { margin-top: 0; }
@media (max-width: 520px) { .nt-scr { grid-template-columns: 1fr; } .nt-screen { margin: 0 auto; } }
/* téléphone : captures de la page de réglage du boîtier */
.nt-phone { width: 100%; max-width: 280px; border-radius: 30px; background: #1B1B1B; padding: 14px 10px 20px; box-shadow: 0 0 0 1px #444, 0 8px 20px rgba(0,0,0,.3); break-inside: avoid; margin: 0 auto; }
.nt-phone::before { content: ""; display: block; width: 52px; height: 6px; border-radius: 4px; background: #333; margin: 0 auto 10px; }
.nt-crop { position: relative; overflow: hidden; width: 100%; aspect-ratio: 390 / var(--h); background: #0E0E0D; border-radius: 6px; }
.nt-crop img { position: absolute; left: 0; width: 100%; top: calc(-100% * var(--t) / var(--h)); }
.nt-set { display: grid; grid-template-columns: 1fr; gap: 20px; align-items: start; margin: 18px 0 26px; break-inside: avoid; }
@media (min-width: 760px) { .nt-set { grid-template-columns: 250px 1fr; } }
.nt-set h3:first-child { margin-top: 0; }
/* écrans de téléphone reconstitués (Wi-Fi, application) */
.nt-app { background: #0E0E0D; color: #ECE7DA; font-family: Roboto, 'Barlow', sans-serif; font-size: .78rem; padding: 12px 10px; border-radius: 6px; line-height: 1.4; }
.nt-app-bar { display: flex; justify-content: space-between; color: #9A958A; font-size: .7rem; margin-bottom: 10px; }
.nt-app-h { font-size: 1.15rem; font-weight: 600; margin-bottom: 10px; }
.nt-app-ttl { text-align: center; font: italic 700 1.25rem Georgia, serif; margin: 2px 0 10px; }
.nt-app-card { background: #191917; border: 1px solid #2C2C29; border-radius: 9px; padding: 9px 10px; margin-bottom: 8px; }
.nt-app-card.on { border-color: #ECE7DA; }
.nt-app-card .ok { color: #8FD19E; }
.nt-app-ct { color: #9A958A; font-weight: 700; letter-spacing: .15em; font-size: .66rem; margin: 2px 0 6px; }
.nt-app-hint { color: #9A958A; font-size: .7rem; margin-top: 3px; }
.nt-row { display: flex; justify-content: space-between; gap: 8px; }
.nt-row .dim { color: #9A958A; }
.nt-pass { border-bottom: 1px solid #ECE7DA; padding-bottom: 3px; }
.nt-sw { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 3px 0; }
.nt-sw i { flex: none; width: 28px; height: 16px; border-radius: 10px; background: #ECE7DA; position: relative; }
.nt-sw i::after { content: ""; position: absolute; right: 2px; top: 2px; width: 12px; height: 12px; border-radius: 50%; background: #111; }
.nt-bp { background: #ECE7DA; color: #111; border-radius: 20px; text-align: center; padding: 6px; font-weight: 600; margin-top: 7px; }
.nt-bs { border: 1px solid #2C2C29; border-radius: 20px; text-align: center; padding: 5px; margin-top: 5px; }

/* ---------------------------------------------------------------- version imprimée (PDF A4) */
@page { size: A4; margin: 16mm 15mm 18mm; @bottom-center { content: counter(page); font: 600 9pt 'Barlow Condensed', sans-serif; color: #8A8478; } @bottom-left { font: 500 8pt 'Barlow Condensed', sans-serif; color: #A39C8E; letter-spacing: .08em; text-transform: uppercase; } }
@page cover { margin: 0; @bottom-center { content: none; } @bottom-left { content: none; } }
body.nt-print { margin: 0; font-family: 'Barlow', sans-serif; font-size: 10.2pt; line-height: 1.45; color: #1A2530; background: #fff; -webkit-print-color-adjust: exact; print-color-adjust: exact;
  --red: #A8322A; --blue: #263C50; --title: #263C50; --ink-soft: #55606B; --border: #D8CFBC; }
.nt-print .nt-chapter { break-before: page; margin: 0; padding: 0; }
.nt-print h1 { font-family: 'Anton', sans-serif; font-weight: 400; font-size: 24pt; text-transform: uppercase; color: #263C50; margin: 0 0 10pt; }
.nt-print h2 { font-family: 'Anton', sans-serif; font-weight: 400; font-size: 15pt; text-transform: uppercase; color: #263C50; margin: 14pt 0 6pt; }
.nt-print .nt-h { font-size: 23pt; }
.nt-print .nt-chapter p { line-height: 1.45; margin-bottom: 6pt; }
.nt-print .nt-lead { font-size: 11pt; }
.nt-print .nt-toc { columns: 2; column-gap: 18pt; padding-left: 18pt; font-weight: 600; }
.nt-print .nt-toc li { padding: 3pt 0; border-bottom: .8pt dotted #D8CFBC; }
.nt-print .nt-grid2 { grid-template-columns: 1fr 1fr; gap: 14pt; }
.nt-print .nt-grid3 { grid-template-columns: repeat(3, 1fr); }
.nt-print .nt-side-fig { grid-template-columns: minmax(0, 1fr) 62mm; gap: 14pt; }
.nt-print .nt-set { grid-template-columns: 58mm 1fr; gap: 14pt; margin: 6pt 0 12pt; }
.nt-print .nt-set.nt-break, .nt-print .nt-scr.nt-break { break-before: page; }
.nt-print .nt-phone { max-width: 58mm; border-radius: 8mm; }
.nt-print .nt-scr { grid-template-columns: 42mm 1fr; margin: 8pt 0; }
.nt-print .nt-screen { width: 38mm; height: 38mm; }
.nt-print .nt-narrow { max-width: 100mm; margin-inline: auto; }
.nt-print #s1 .nt-grid2 p { font-size: 9.4pt; }
.nt-print .nt-t { font-size: 9.2pt; }
.nt-print .nt-box { padding: 7pt 9pt; margin: 7pt 0; font-size: 9.6pt; }
.nt-print .nt-steps > li { margin-bottom: 6pt; }
.nt-print svg { max-height: 95mm; }
.nt-cover { page: cover; height: 297mm; position: relative; background: #A8322A; color: #E9E2D2; overflow: hidden; }
.nt-cover .band { position: absolute; top: 0; bottom: 0; width: 26mm; background: #E9E2D2; }
.nt-cover .band.a { left: 148mm; } .nt-cover .band.b { left: 180mm; }
.nt-cover .top { position: relative; padding: 26mm 20mm 0; }
.nt-cover .brand { font-family: 'Anton', sans-serif; font-size: 50pt; color: #fff; line-height: 1; }
.nt-cover .brand span { font-family: 'Yellowtail', cursive; font-size: 40pt; color: #E9E2D2; margin-left: 6pt; }
.nt-cover .ctitle { margin-top: 10mm; font-family: 'Anton', sans-serif; font-size: 32pt; line-height: 1.05; text-transform: uppercase; color: #263C50; background: #E9E2D2; display: inline-block; padding: 6pt 12pt 4pt; max-width: 120mm; }
.nt-cover .csub { margin-top: 6mm; font: 600 14pt 'Barlow Condensed', sans-serif; letter-spacing: .08em; text-transform: uppercase; color: #fff; max-width: 120mm; }
.nt-cover .photo { position: absolute; left: 12mm; right: 12mm; bottom: 30mm; }
.nt-cover .photo .nt-stage { box-shadow: 0 5pt 18pt rgba(0,0,0,.35); }
.nt-cover .foot { position: absolute; left: 20mm; bottom: 12mm; font: 600 9.5pt 'Barlow Condensed', sans-serif; letter-spacing: .12em; text-transform: uppercase; color: #fff; }

.nt-print h3, .nt-print .nt-h3 { break-after: avoid; }
.nt-print #s9 .nt-phone { max-width: 50mm; padding: 3mm 2.4mm 4mm; }
.nt-print #s9 .nt-app { font-size: 6.4pt; padding: 2.5mm 2mm; }
.nt-print #s9 .nt-app-card { padding: 1.6mm 2mm; margin-bottom: 1.6mm; }
.nt-print #s9 .nt-side-fig { grid-template-columns: minmax(0, 1fr) 52mm; }
.nt-print #s9 .nt-h3 { break-before: page; }
