/* Citadel IT Solutions, feuille de style unique, sans ressource externe */
@font-face{font-family:"Bricolage";src:url("fonts/bricolage.woff2") format("woff2");font-weight:200 800;font-display:swap}
@font-face{font-family:"Atkinson";src:url("fonts/atkinson-400.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Atkinson";src:url("fonts/atkinson-700.woff2") format("woff2");font-weight:700;font-display:swap}

:root{
  --ink:#12201a;
  --ink-2:#4f5d57;
  --paper:#f3f6f4;
  --card:#ffffff;
  --line:#d5ddd8;
  --green:#178a2e;
  --green-soft:#e4f5e6;
  --orange:#f7900f;
  --orange-dark:#b85f00;
  --orange-soft:#fff4e0;
  --night:#0d3527;
  --night-2:#134a37;
  --radius:14px;
  --wrap:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 "Atkinson",system-ui,-apple-system,"Segoe UI",sans-serif}
img{max-width:100%;height:auto;display:block}
a{color:var(--green)}
a:hover{color:var(--ink)}
h1,h2,h3{font-family:"Bricolage","Atkinson",sans-serif;line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,5vw,3.4rem);font-weight:750}
h2{font-size:clamp(1.6rem,3.2vw,2.2rem);font-weight:700}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1em}
.wrap{width:min(var(--wrap),100% - 32px);margin-inline:auto}
.lead{font-size:1.15rem;color:var(--ink-2);max-width:62ch}
.kicker{font:700 .78rem/1 "Atkinson",sans-serif;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);margin-bottom:14px;display:block}
.muted{color:var(--ink-2)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:100}

/* En-tête */
.top{position:sticky;top:0;z-index:50;background:rgba(243,246,244,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand img{width:26px}
.brand b{font-family:"Bricolage",sans-serif;font-size:1.15rem;font-weight:700}
.brand span{display:block;font-size:.75rem;color:var(--ink-2);line-height:1}
.nav{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.nav a{display:block;padding:8px 12px;border-radius:8px;text-decoration:none;color:var(--ink);font-weight:700;font-size:.95rem}
.nav a:hover{background:#e4ebe6}
.nav a[aria-current="page"]{color:var(--green)}
.nav .cta-link{background:var(--green);color:#fff}
.nav .cta-link:hover{background:var(--night);color:#fff}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 12px;font:inherit;font-weight:700;color:var(--ink);cursor:pointer}
@media (max-width:1000px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:68px;flex-direction:column;background:var(--paper);border-bottom:1px solid var(--line);padding:8px 16px 16px}
  .nav.open{display:flex}
}

/* Boutons */
.btn{display:inline-block;padding:13px 22px;border-radius:10px;font-weight:700;text-decoration:none;border:2px solid var(--night);color:var(--night);transition:background .15s,color .15s}
.btn:hover{background:var(--night);color:#fff}
.btn.primary{background:var(--green);border-color:var(--green);color:#fff}
.btn.primary:hover{background:var(--night);border-color:var(--night)}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

/* Sections */
section{padding:72px 0}
.hero{padding:80px 0 64px}
.hero-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center}
.hero-mark{justify-self:center;width:min(220px,60%)}
.split{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media (max-width:900px){.hero-grid,.split,.grid-3,.grid-4{grid-template-columns:1fr}.hero-mark{display:none}}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card h3{margin-bottom:.4em}
.card p:last-child,.card ul:last-child{margin-bottom:0}
.card ul{margin:.6em 0 0;padding-left:1.1em}
.card li{margin:.25em 0}
.pillar{border-top:5px solid var(--green)}
.pillar.alt{border-top-color:var(--orange)}
.tag{display:inline-block;font-size:.78rem;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--green-soft);color:var(--green);margin-bottom:12px}
.tag.alt{background:var(--orange-soft);color:var(--orange-dark)}

.band{background:var(--night);color:#e8f0eb}
.band h2,.band h3{color:#fff}
.band .muted,.band .lead{color:#b9cdc2}
.band .kicker{color:var(--orange)}
.band .card{background:var(--night-2);border-color:#1f5c45;color:#e8f0eb}
.band a{color:#8fdc9f}

.figures{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:32px}
.figures div{border-left:3px solid var(--orange);padding-left:16px}
.figures b{display:block;font-family:"Bricolage",sans-serif;font-size:2.2rem;line-height:1;color:#fff}
.figures span{font-size:.95rem;color:#b9cdc2}
@media (max-width:900px){.figures{grid-template-columns:repeat(2,1fr)}}

.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.steps li::before{content:counter(s,decimal-leading-zero);display:block;font-family:"Bricolage",sans-serif;font-weight:700;color:var(--orange);font-size:1.3rem;margin-bottom:8px}
.steps b{display:block;margin-bottom:4px}
@media (max-width:900px){.steps{grid-template-columns:1fr}}

.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:16px 0 0}
.chips li{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:.92rem}
.band .chips li{background:var(--night-2);border-color:#1f5c45}

.case{display:grid;grid-template-columns:200px 1fr;gap:20px;padding:22px 0;border-top:1px solid var(--line)}
.case:last-child{border-bottom:1px solid var(--line)}
.case h3{font-size:1.05rem}
@media (max-width:700px){.case{grid-template-columns:1fr;gap:6px}}

.page-head{padding:64px 0 24px}
.cta-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:36px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-box h2{margin-bottom:.2em}
.contact-line{font-size:1.25rem;font-weight:700;word-break:break-word}

/* Pied de page */
.foot{border-top:1px solid var(--line);padding:32px 0;font-size:.92rem;color:var(--ink-2)}
.foot .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.foot a{color:var(--ink-2)}

:focus-visible{outline:3px solid var(--orange);outline-offset:2px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Utilitaires (aucun style en ligne, compatible avec la CSP stricte) */
section.pt0{padding-top:0}
section.pt24{padding-top:24px}
.mt0{margin-top:0}
.mt24{margin-top:24px}
[data-m0]{margin:0}
[data-mt16]{margin-top:16px}
.btn.light{border-color:#fff;color:#fff}
.btn.light:hover{background:#fff;color:var(--ink)}
.btn.orange{background:var(--orange);border-color:var(--orange);color:var(--night)}
.btn.orange:hover{background:#fff;border-color:#fff;color:var(--night)}
.nav .lang{color:var(--ink-2);font-weight:400;border:1px solid var(--line)}

/* Bandeau courriel en haut de page */
.topline{background:var(--night);color:#cfe0d6;font-size:.88rem}
.topline .wrap{display:flex;justify-content:space-between;gap:12px;padding:6px 0}
.topline a{color:#fff;font-weight:700;text-decoration:none}
.topline a:hover{color:var(--orange)}

/* Pourquoi Citadel */
.why{border-left:5px solid var(--orange);padding-left:24px}
.why-t{font-family:"Bricolage",sans-serif;font-size:clamp(1.4rem,2.6vw,1.9rem);font-weight:700;line-height:1.2;margin:0 0 .4em}
.why .muted{max-width:70ch;margin:0}

/* Chiffres clés */
.numbers{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.numbers div{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.numbers b{display:block;font-family:"Bricolage",sans-serif;font-size:2.2rem;line-height:1;color:var(--green)}
.numbers span{color:var(--ink-2);font-size:.95rem}
@media (max-width:900px){.numbers{grid-template-columns:repeat(2,1fr)}}

/* Missions et services */
.mission h3{font-size:1.05rem}
.mission p{margin:0}
.get{font-weight:700;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;color:var(--orange-dark);margin:16px 0 4px}
.checks{list-style:none;padding:0;margin:0}
.checks li{position:relative;padding-left:26px;margin:.45em 0}
.checks li::before{content:"";position:absolute;left:0;top:.45em;width:14px;height:8px;border-left:3px solid var(--green);border-bottom:3px solid var(--green);transform:rotate(-45deg)}

/* Bandeau contact en bas de chaque page */
.contact-band{background:var(--green);color:#fff;padding:48px 0}
.contact-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.contact-band h2{color:#fff;margin-bottom:.25em}
.contact-band p{margin:0;color:#e4f5e6;max-width:56ch}
.mail-big{display:inline-block;background:#fff;color:var(--night);font-family:"Bricolage",sans-serif;font-weight:700;font-size:clamp(1.1rem,2.4vw,1.5rem);padding:14px 24px;border-radius:12px;text-decoration:none;word-break:break-all}
.mail-big:hover{background:var(--orange);color:var(--night)}
.mail-big.dark{background:var(--green);color:#fff}
.mail-big.dark:hover{background:var(--night);color:#fff}