/* cyrildumont.fr — feuille de style unique */
:root{
  --paper:#F6F4EF; --paper-2:#EDE9E0; --card:#FFFFFF;
  --ink:#16202E; --ink-2:#3A4556; --muted:#6B7483;
  --line:#DAD5CA; --accent:#A8561F; --accent-ink:#FFFFFF; --accent-soft:#F3E4D6;
  --navy:#1B2A41; --navy-2:#24364F; --on-navy:#E9EDF3; --on-navy-muted:#A9B4C4;
  --ok:#2F6B4F;
  --radius:10px; --wrap:1120px;
  --font:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
}
@media (prefers-color-scheme:dark){
  :root{
    --paper:#11161E; --paper-2:#171E28; --card:#1A2230;
    --ink:#E8ECF1; --ink-2:#C3CAD4; --muted:#8C96A5;
    --line:#2A3443; --accent:#D98A4E; --accent-ink:#11161E; --accent-soft:#2B2119;
    --navy:#0C1118; --navy-2:#141B25; --on-navy:#E8ECF1; --on-navy-muted:#8C96A5;
    --ok:#6FBF95;
  }
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.65 var(--font);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.15;letter-spacing:-.02em;font-weight:750;text-wrap:balance}
h1{font-size:clamp(2.1rem,5vw,3.4rem)}
h2{font-size:clamp(1.6rem,3.2vw,2.3rem)}
h3{font-size:1.2rem;letter-spacing:-.01em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;background:var(--card);padding:8px 12px;z-index:99}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* Header */
.site-header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}
.brand{text-decoration:none;display:flex;flex-direction:column;line-height:1.1}
.brand strong{font-size:1.05rem;letter-spacing:-.01em}
.brand{white-space:nowrap}.brand span{font:500 .72rem/1.3 var(--mono);color:var(--muted);letter-spacing:.02em}
.nav{display:flex;align-items:center;gap:4px}
.nav a{white-space:nowrap;text-decoration:none;font-weight:600;font-size:.92rem;padding:8px 10px;border-radius:8px;color:var(--ink-2)}
.nav a:hover{background:var(--paper-2);color:var(--ink)}
.nav a[aria-current="page"]{color:var(--ink);box-shadow:inset 0 -2px 0 var(--accent)}
.nav .btn{margin-left:8px;color:var(--accent-ink)}
.nav .btn:hover{background:var(--accent);filter:brightness(1.08);color:var(--accent-ink)}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;color:var(--ink);font:600 .9rem var(--font)}
@media (max-width:1100px){
  .menu-toggle{display:block}
  .nav{display:none;position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--paper);border-bottom:1px solid var(--line);padding:10px 20px 18px}
  .nav.open{display:flex}
  .nav a{padding:12px}
  .nav .btn{margin:8px 0 0;text-align:center}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--accent-ink);text-decoration:none;font-weight:700;padding:12px 20px;border-radius:8px;border:0;cursor:pointer;font-size:.97rem;font-family:var(--font)}
.btn:hover{filter:brightness(1.08)}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn-ghost:hover{box-shadow:inset 0 0 0 1.5px var(--ink-2);filter:none}
.on-navy .btn-ghost{color:var(--on-navy);box-shadow:inset 0 0 0 1.5px var(--navy-2)}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* Sections */
section{padding:84px 0}
.section-alt{background:var(--paper-2)}
.on-navy{background:var(--navy);color:var(--on-navy)}
.on-navy p,.on-navy li{color:var(--on-navy-muted)}
.eyebrow{font:600 .78rem/1 var(--mono);text-transform:uppercase;letter-spacing:.12em;color:var(--accent);margin-bottom:14px;display:block}
.lead{font-size:1.18rem;color:var(--ink-2);max-width:62ch}
.on-navy .lead{color:var(--on-navy-muted)}
.section-head{max-width:720px;margin-bottom:44px}
.muted{color:var(--muted)}

/* Hero */
.hero{padding:76px 0 84px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .lead{margin-top:18px}
.trust{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:30px;padding:0;list-style:none;font-size:.92rem;color:var(--muted)}
.trust li::before{content:"✓ ";color:var(--ok);font-weight:700}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:40px}.hero{padding:48px 0 64px}}

/* Migration diagram */
.diagram{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;font-family:var(--mono);font-size:.82rem}
.diagram .row{display:grid;grid-template-columns:1fr 34px 1fr;align-items:center;gap:6px;margin-bottom:10px}
.diagram .box{border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:var(--paper)}
.diagram .box b{display:block;font-family:var(--font);font-size:.9rem;color:var(--ink)}
.diagram .box small{color:var(--muted)}
.diagram .new{border-color:var(--accent);background:var(--accent-soft)}
.diagram .arrow{text-align:center;color:var(--accent);font-weight:700}
.diagram .caption{display:flex;justify-content:space-between;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;font-size:.68rem;margin-bottom:12px}
.diagram .foot{margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);color:var(--ink-2);font-size:.78rem;line-height:1.5}

/* Grids & cards */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card p:last-child{margin-bottom:0}
.card .num{font:600 .8rem var(--mono);color:var(--accent);display:block;margin-bottom:12px}
a.card{text-decoration:none;display:flex;flex-direction:column;transition:border-color .15s,transform .15s}
a.card:hover{border-color:var(--accent);transform:translateY(-2px)}
a.card .more{margin-top:auto;padding-top:14px;font-weight:700;color:var(--accent);font-size:.93rem}
.card.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.tag{display:inline-block;font:600 .7rem/1 var(--mono);text-transform:uppercase;letter-spacing:.08em;background:var(--accent-soft);color:var(--accent);padding:5px 8px;border-radius:5px;margin-bottom:12px}
.problem{border-left:3px solid var(--accent);padding:4px 0 4px 20px}
.problem h3{margin-bottom:.35em}
.problem p{color:var(--ink-2);margin:0}

/* Steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;list-style:none;padding:0;margin:0}
.steps li{counter-increment:s;border-top:2px solid var(--navy-2);padding-top:18px}
.steps li::before{content:"0" counter(s);font:600 .82rem var(--mono);color:var(--accent);display:block;margin-bottom:10px}
.steps h3{color:var(--on-navy)}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
.section-light .steps li{border-top-color:var(--line)}
.section-light .steps h3{color:var(--ink)}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:0;padding:0;list-style:none}
.stats li{border-left:2px solid var(--line);padding-left:18px}
.stats b{display:block;font-size:2.1rem;letter-spacing:-.03em;line-height:1.1}
.stats span{color:var(--muted);font-size:.92rem}
@media (max-width:760px){.stats{grid-template-columns:1fr 1fr;gap:28px 20px}.stats b{font-size:1.6rem}}

/* Lists */
ul.check{list-style:none;padding:0;margin:0 0 1em}
ul.check li{padding-left:26px;position:relative;margin-bottom:.5em}
ul.check li::before{content:"";position:absolute;left:2px;top:.55em;width:12px;height:7px;border-left:2px solid var(--ok);border-bottom:2px solid var(--ok);transform:rotate(-45deg)}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.chips li{font:500 .8rem var(--mono);border:1px solid var(--line);border-radius:6px;padding:5px 9px;background:var(--card);color:var(--ink-2)}

/* Service detail */
.service{display:grid;grid-template-columns:280px 1fr;gap:48px;padding:56px 0;border-top:1px solid var(--line)}
.service:first-of-type{border-top:0;padding-top:0}
.service aside .tag{margin-bottom:14px}
.service aside dl{margin:18px 0 0;font-size:.92rem}
.service aside dt{font:600 .72rem var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-top:14px}
.service aside dd{margin:2px 0 0}
.service h3{margin-top:1.4em}
@media (max-width:820px){.service{grid-template-columns:1fr;gap:18px}}

/* Case studies */
.case{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:34px;margin-bottom:24px}
.case header{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 20px;margin-bottom:18px}
.case header h2{font-size:1.5rem;margin:0}
.case .meta{font:500 .8rem var(--mono);color:var(--muted)}
.case .cols{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.case h3{font:600 .75rem var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--accent)}
.case .cols p,.case .cols li{font-size:.96rem;color:var(--ink-2)}
.case .chips{margin-top:20px}
@media (max-width:820px){.case .cols{grid-template-columns:1fr;gap:10px}.case{padding:24px}}

/* Timeline */
.timeline{list-style:none;padding:0;margin:0;border-left:2px solid var(--line)}
.timeline li{position:relative;padding:0 0 26px 26px}
.timeline li::before{content:"";position:absolute;left:-7px;top:.45em;width:12px;height:12px;border-radius:50%;background:var(--paper);border:2px solid var(--accent)}
.timeline .when{font:500 .8rem var(--mono);color:var(--muted);display:block}
.timeline b{display:block}
.timeline p{margin:.2em 0 0;color:var(--ink-2);font-size:.96rem}

/* FAQ */
details{border-top:1px solid var(--line);padding:18px 0}
details:last-child{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent);font-size:1.3rem;line-height:1}
details[open] summary::after{content:"–"}
details p{margin:12px 0 0;color:var(--ink-2)}

/* CTA */
.cta{text-align:center}
.cta h2{max-width:22ch;margin:0 auto .4em}
.cta .lead{margin:0 auto}
.cta .actions{justify-content:center}

/* Page head */
.page-head{padding:64px 0 36px}
.page-head .lead{margin-top:14px}

/* Forms */
.form-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:48px}
@media (max-width:860px){.form-grid{grid-template-columns:1fr}}
form .row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:560px){form .row2{grid-template-columns:1fr}}
label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
input,select,textarea{width:100%;font:inherit;font-size:1rem;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:8px;padding:11px 13px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
textarea{min-height:170px;resize:vertical}
.field{margin-bottom:16px}
.hp{position:absolute;left:-5000px}
.consent{font-size:.84rem;color:var(--muted);margin:6px 0 18px}
.form-msg{margin-top:14px;font-weight:600}
.form-msg.ok{color:var(--ok)}.form-msg.err{color:#B3261E}
.contact-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:26px}
.contact-card dt{font:600 .72rem var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-top:16px}
.contact-card dt:first-child{margin-top:0}
.contact-card dd{margin:3px 0 0}

/* Prose */
.prose{max-width:72ch}
.prose h2{font-size:1.4rem;margin-top:1.8em}
.todo{background:#FFF3C4;color:#5B4500;padding:0 4px;border-radius:3px;font-weight:600}
@media (prefers-color-scheme:dark){.todo{background:#4A3B00;color:#FFE38A}}

/* Footer */
.site-footer{background:var(--navy);color:var(--on-navy-muted);padding:48px 0 32px;font-size:.92rem}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.site-footer strong{color:var(--on-navy);display:block;margin-bottom:8px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:6px}
.site-footer a{text-decoration:none}.site-footer a:hover{color:var(--on-navy);text-decoration:underline}
.site-footer .legal{margin-top:36px;padding-top:18px;border-top:1px solid var(--navy-2);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:.84rem}
@media (max-width:760px){.site-footer .cols{grid-template-columns:1fr}}
.problem-wide{grid-column:1/-1;background:var(--card);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;padding:22px 26px}
.problem-wide p{max-width:80ch}

/* Articles */
.article-wrap{max-width:780px}
.crumbs{font-size:.88rem;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}
.meta{font:500 .85rem var(--mono);color:var(--muted);margin-top:10px}
.article{max-width:none}
.article h2{scroll-margin-top:90px}
.article h3{margin-top:1.6em}
.article a{color:var(--accent);font-weight:600}
.article .timeline{margin:20px 0 10px}
.toc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin:28px 0}
.toc ol{margin:8px 0 0;padding-left:20px}
.toc a{color:var(--ink-2);font-weight:500}
.callout{background:var(--accent-soft);border-left:3px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;padding:18px 22px;margin:20px 0}
.callout p{margin:.4em 0 0}
.note{font-size:.88rem;color:var(--muted)}
.sources{font-size:.93rem}
.captcha-row{display:flex;gap:10px;max-width:220px}
.captcha-row input{width:100px}
.captcha-row .btn{padding:10px 14px}