/* Afrique Chantiers — site vitrine. Charte de l'application : graphite & or, casques par module. */
:root{
  --bg:#F4F5F7; --surface:#fff; --line:#E5E7EB; --fg:#101418; --muted:#5d6676; --accent:#1D5FA0; --or:#F5B300; --or-fg:#1b1400;
  --dark:#121518; --dark-2:#1b2026; --dark-fg:#e7ebef; --dark-muted:#a3acb7;
  --ok:#1E6B43; --bad:#A3241A;
  --m-vert:#2e8b57; --m-jaune:#f2b200; --m-bleu:#1f6fb2; --m-rouge:#c8372d; --m-violet:#6b3fa0; --m-blanc:#8a97a5;
  --f-display:"Inter Tight","Inter",system-ui,sans-serif; --f-body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r:16px; --sh:0 1px 2px rgba(16,20,24,.06),0 12px 32px rgba(16,20,24,.10);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0f151b; --surface:#171f28; --line:#2b3745; --fg:#e3e9ef; --muted:#9aa7b4; --accent:#6aa5d8; --dark:#0a0d10; --dark-2:#141a20; color-scheme:dark}}
:root[data-theme="dark"]{--bg:#0f151b; --surface:#171f28; --line:#2b3745; --fg:#e3e9ef; --muted:#9aa7b4; --accent:#6aa5d8; --dark:#0a0d10; --dark-2:#141a20; color-scheme:dark}
html[lang="ar"]{--f-display:"IBM Plex Sans Arabic","Inter Tight",sans-serif; --f-body:"IBM Plex Sans Arabic","Inter",sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--f-display);line-height:1.12;margin:0;text-wrap:balance}
h1{font-size:clamp(34px,5.4vw,58px);font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(26px,3.4vw,38px);font-weight:700;letter-spacing:-.015em;margin-bottom:14px}
h3{font-size:19px;font-weight:700;margin:12px 0 6px}
html[lang="ar"] h1,html[lang="ar"] h2{letter-spacing:0;line-height:1.3}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.kicker{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin:0 0 10px}
html[lang="ar"] .kicker{letter-spacing:0}
.sub,.lead{color:var(--muted);font-size:18px;max-width:720px;margin:0 0 26px}
.small{font-size:13px;color:var(--muted)}

/* Boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--or);color:var(--or-fg);border:1px solid var(--or);border-radius:10px;padding:9px 16px;font:600 15px var(--f-body);text-decoration:none;cursor:pointer;white-space:nowrap;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(245,179,0,.35)}
.btn.ghost{background:transparent;color:inherit;border-color:currentColor;opacity:.9}
.btn.ghost:hover{box-shadow:none;opacity:1}
.btn.big{padding:13px 22px;font-size:16px;border-radius:12px}
.btn:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* En-tête */
.top{position:sticky;top:0;z-index:20;background:rgba(18,21,24,.92);backdrop-filter:blur(10px);color:var(--dark-fg);border-bottom:1px solid rgba(255,255,255,.06)}
.bar{display:flex;align-items:center;gap:18px;height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 18px/0.95 var(--f-display);letter-spacing:.02em}
.logo small{display:block;font-size:10.5px;font-weight:700;letter-spacing:.32em;color:var(--or)}
.nav{display:flex;gap:4px;margin-inline-start:12px}
.nav a{text-decoration:none;color:var(--dark-muted);font-weight:500;padding:8px 12px;border-radius:8px}
.nav a:hover{color:#fff;background:rgba(255,255,255,.06)}
.actions{display:flex;align-items:center;gap:10px;margin-inline-start:auto}
.lang{background:transparent;color:inherit;border:1px solid rgba(255,255,255,.18);border-radius:8px;padding:7px 8px;font:inherit;font-size:14px}
.lang option{color:#111}
.burger{display:none;width:40px;height:40px;border:1px solid rgba(255,255,255,.18);background:transparent;border-radius:8px;cursor:pointer;position:relative}
.burger span,.burger span::before,.burger span::after{position:absolute;left:11px;right:11px;height:2px;background:#fff;content:"";border-radius:2px}
.burger span{top:19px} .burger span::before{top:-6px;left:0;right:0} .burger span::after{top:6px;left:0;right:0}

/* Héros */
.hero{background:radial-gradient(1200px 500px at 85% -10%,rgba(245,179,0,.22),transparent 60%),linear-gradient(180deg,var(--dark),var(--dark-2));color:var(--dark-fg);padding:72px 0 90px;overflow:hidden}
.hero-g{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:center}
.hero .kicker{color:var(--or)}
.hero .lead{color:var(--dark-muted)}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero .btn.ghost{color:#fff}
.checks{list-style:none;padding:0;margin:0;display:grid;gap:8px;color:var(--dark-muted);font-size:15px}
.checks li::before{content:"✓";color:var(--or);font-weight:800;margin-inline-end:10px}
.shot{margin:0;background:var(--surface);border-radius:var(--r);box-shadow:var(--sh);overflow:hidden;border:1px solid var(--line)}
.shot .dots{display:flex;gap:6px;padding:10px 12px;background:#e9ecef;border-bottom:1px solid var(--line)}
.shot .dots i{width:10px;height:10px;border-radius:50%;background:#c4c9cf}
.shot .dots i:first-child{background:#ef6a5e} .shot .dots i:nth-child(2){background:#f4bf4f} .shot .dots i:nth-child(3){background:#61c454}
.hero-shot{transform:perspective(1600px) rotateY(-6deg);transform-origin:left center;box-shadow:0 30px 80px rgba(0,0,0,.45);border-color:rgba(255,255,255,.08)}
html[dir="rtl"] .hero-shot{transform:perspective(1600px) rotateY(6deg);transform-origin:right center}

/* Bandeau chiffres */
.strip{background:var(--or);color:var(--or-fg)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:26px;padding-bottom:26px}
.stats div{display:flex;flex-direction:column}
.stats b{font:800 34px/1 var(--f-display);unicode-bidi:isolate}
.stats span{font-size:14.5px;font-weight:500;margin-top:6px}

/* Sections */
.sec{padding:88px 0}
.sec.alt{background:var(--surface)}
.sec.dark{background:linear-gradient(180deg,var(--dark),var(--dark-2));color:var(--dark-fg)}
.sec.dark .kicker{color:var(--or)} .sec.dark .lead,.sec.dark .list li{color:var(--dark-muted)}
.mods{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mod{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;border-top:4px solid var(--c);transition:transform .2s,box-shadow .2s}
.mod:hover{transform:translateY(-3px);box-shadow:var(--sh)}
.mod img{width:48px}
.mod p{margin:0;color:var(--muted);font-size:15px}
.feat{display:grid;grid-template-columns:1fr 1.35fr;gap:56px;align-items:center}
.feat.rev .txt{order:2}
.list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.list li{position:relative;padding-inline-start:28px;color:var(--muted)}
.list li::before{content:"";position:absolute;inset-inline-start:0;top:.45em;width:14px;height:14px;border-radius:4px;background:var(--or)}
.phone{margin:0 auto;max-width:300px;border-radius:36px;padding:10px;background:#000;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.phone img{border-radius:28px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:30px}
.card h2{font-size:26px}

/* Tarifs */
.period{display:inline-flex;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:4px;margin-bottom:26px}
.period button{border:0;background:transparent;color:var(--muted);font:600 14.5px var(--f-body);padding:8px 16px;border-radius:9px;cursor:pointer}
.period button.on{background:var(--dark);color:#fff}
.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.price{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column;gap:10px}
.price.mis{background:var(--dark);color:var(--dark-fg);border-color:var(--dark);box-shadow:var(--sh);position:relative}
.price.mis .muted,.price.mis li{color:var(--dark-muted)}
.price .badge{position:absolute;top:-12px;inset-inline-start:22px;background:var(--or);color:var(--or-fg);font-size:12px;font-weight:700;padding:4px 10px;border-radius:99px}
.price h3{margin:0;font-size:22px}
.price .amt{font:800 38px/1 var(--f-display)} .price .amt small{font:500 15px var(--f-body);color:var(--muted)}
.price .muted{color:var(--muted);font-size:14px;margin:0}
.price ul{list-style:none;padding:0;margin:4px 0 8px;display:grid;gap:6px;font-size:14.5px}
.price li::before{content:"✓";color:var(--ok);font-weight:800;margin-inline-end:8px}
.price.mis li::before{color:var(--or)}
.price .btn{margin-top:auto}
.note{color:var(--muted);font-size:14px;margin-top:22px}

/* FAQ */
.faq details,.faq h2{max-width:860px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:10px;padding:0 18px}
.faq summary{cursor:pointer;font-weight:600;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::after{content:"+";font-weight:700;color:var(--accent)} .faq details[open] summary::after{content:"–"}
.faq p{margin:0 0 16px;color:var(--muted)}

/* Contact */
.coord{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.coord a{color:var(--or);text-decoration:none;font-weight:600}
.form{background:var(--surface);color:var(--fg);border-radius:var(--r);padding:26px;display:grid;gap:14px;box-shadow:var(--sh)}
.form label{display:grid;gap:6px;font-size:14px;font-weight:600}
.form input,.form select,.form textarea{font:inherit;font-weight:400;font-size:15px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--fg);width:100%}
.form .g2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form .hp{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.form .msg{margin:0;font-weight:600;min-height:1.4em} .msg.ok{color:var(--ok)} .msg.ko{color:var(--bad)}
.form .small{margin:0}

/* Pied */
.foot{background:var(--dark);color:var(--dark-muted);padding:30px 0}
.fbar{display:flex;flex-wrap:wrap;align-items:center;gap:18px 28px}
.foot .logo{color:var(--dark-fg)}
.foot nav{display:flex;flex-wrap:wrap;gap:6px 20px;font-size:14px}
.foot nav a{text-decoration:none} .foot nav a:hover{color:#fff}
.foot .small{margin:0 0 0 auto;color:var(--dark-muted)}
html[dir="rtl"] .foot .small{margin:0 auto 0 0}

/* Animation d'apparition */
@media (prefers-reduced-motion:no-preference){.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}.reveal.in{opacity:1;transform:none}}

/* Responsive */
@media (max-width:980px){
  .hero-g,.feat,.two{grid-template-columns:1fr;gap:34px}
  .feat.rev .txt{order:0}
  .hero-shot,html[dir="rtl"] .hero-shot{transform:none}
  .mods,.prices{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .nav{display:none;position:absolute;top:64px;inset-inline:0;flex-direction:column;background:var(--dark);padding:10px 16px 16px;margin:0;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav.open{display:flex}
  .burger{display:block}
  .hide-s{display:none}
  .wrap{padding:0 16px}
  .bar{gap:10px}
  .actions{gap:8px}
  .actions .btn{padding:8px 12px;font-size:14px}
  .logo{font-size:15px} .logo img{width:36px}
  .hero{padding:44px 0 60px}
  .sec{padding:60px 0}
  .mods,.prices,.form .g2{grid-template-columns:1fr}
  .sub,.lead{font-size:16.5px}
  .card,.form{padding:20px}
}
@media (max-width:400px){.logo span{display:none}}
.m-vert{--c:var(--m-vert)} .m-jaune{--c:var(--m-jaune)} .m-bleu{--c:var(--m-bleu)} .m-rouge{--c:var(--m-rouge)} .m-violet{--c:var(--m-violet)} .m-blanc{--c:var(--m-blanc)}