/* ============================================================
   NEXALYZE AFRIQUE — feuille de style partagée
   ============================================================ */
:root{
  --bg:#07101C;
  --bg-soft:#0B1422;
  --panel:#0F1B2C;
  --panel-2:#14243A;
  --panel-bright:#17304A;
  --line:rgba(237,241,248,.14);
  --ink:#EDF1F8;
  --ink-dim:#A9B6CA;
  --gold:#E0A82E;
  --gold-soft:rgba(224,168,46,.14);
  --red:#D22730;
  --green:#2E8B57;
  --teal:#36C5A5;
  --sky:#69A7FF;
  --navy:#1B3A6B;
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Manrope',sans-serif;
  font-size:17px;
  line-height:1.65;
  overflow-x:hidden;
}
::selection{background:var(--gold);color:#060A13}

h1,h2,h3{font-family:'Unbounded',sans-serif;line-height:1.12;font-weight:700}
.mono{font-family:'IBM Plex Mono',monospace;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase}

.wrap{width:min(100%,1180px);margin:0 auto;padding:0 28px}

/* ---------- NAV ---------- */
nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  backdrop-filter:blur(14px);
  background:rgba(6,10,19,.72);
  border-bottom:1px solid var(--line);
}
.nav-inner{max-width:1180px;margin:0 auto;padding:12px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;min-width:0}
.brand img{height:46px;width:auto;display:block}
.brand .brand-fallback{display:flex;align-items:baseline;gap:10px}
.brand .nx{font-family:'Unbounded';font-weight:900;font-size:1.05rem;color:var(--ink);letter-spacing:.02em}
.brand .nx span{color:var(--gold)}
.brand .afr{font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.3em;color:var(--ink-dim);text-transform:uppercase;white-space:nowrap}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{color:var(--ink-dim);text-decoration:none;font-size:.88rem;font-weight:600;transition:color .2s}
.nav-links a:hover,.nav-links a:focus-visible,.nav-links a.active{color:var(--gold)}
.nav-cta{
  font-family:'IBM Plex Mono',monospace;font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;
  color:#060A13!important;background:var(--gold);padding:10px 18px;border-radius:999px;font-weight:500;
}
.nav-cta:hover{filter:brightness(1.1)}

/* burger + mobile menu */
.burger{
  display:none;background:none;border:1px solid var(--line);border-radius:10px;
  width:42px;height:42px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.burger span{width:18px;height:2px;background:var(--ink);display:block;transition:transform .25s,opacity .25s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:840px){
  .burger{display:flex}
  .nav-links{
    position:fixed;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(6,10,19,.97);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .35s ease;
  }
  .nav-links.open{max-height:420px}
  .nav-links a{
    display:block;padding:18px 28px;font-size:1rem;
    border-top:1px solid var(--line);
  }
  .nav-links a.nav-cta{
    margin:16px 28px 22px;border-radius:999px;text-align:center;border-top:none;padding:14px 18px;
  }
}

/* ---------- PAGE HERO (interior pages) ---------- */
.page-hero{
  position:relative;padding:160px 0 70px;overflow:hidden;
  background:
    radial-gradient(800px 460px at 80% -10%, rgba(105,167,255,.20), transparent 60%),
    radial-gradient(640px 400px at 6% 110%, rgba(224,168,46,.12), transparent 60%),
    linear-gradient(180deg,#081323 0%,var(--bg) 78%),
    var(--bg);
}
.page-hero .grid-bg{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,black 30%,transparent 75%);
}
.page-hero .wrap{position:relative;z-index:2}
.page-hero .eyebrow{display:inline-flex;align-items:center;gap:12px;color:var(--gold);margin-bottom:22px}
.page-hero .eyebrow::before{content:"";width:34px;height:1px;background:var(--gold)}
.page-hero h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:900;letter-spacing:-.01em;max-width:18ch}
.page-hero h1 em{font-style:normal;color:var(--gold)}
.page-hero p.lead{margin-top:24px;max-width:60ch;color:var(--ink-dim);font-size:1.06rem}

/* ---------- HOME HERO ---------- */
header.home{
  position:relative;min-height:100svh;display:flex;align-items:center;
  padding:150px 0 90px;
  background:
    radial-gradient(900px 500px at 76% -10%, rgba(105,167,255,.23), transparent 60%),
    radial-gradient(720px 440px at 9% 108%, rgba(224,168,46,.13), transparent 60%),
    linear-gradient(180deg,#081323 0%,var(--bg) 72%),
    var(--bg);
  overflow:hidden;
}
.grid-bg{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,black 30%,transparent 75%);
}
.hero-eyebrow{display:inline-flex;align-items:center;gap:12px;color:var(--gold);margin-bottom:34px}
.hero-eyebrow::before{content:"";width:34px;height:1px;background:var(--gold)}
header.home h1{
  font-size:clamp(2.4rem,6.2vw,5rem);
  font-weight:900;letter-spacing:-.01em;max-width:14ch;
}
header.home h1 .l2{display:block;color:transparent;-webkit-text-stroke:1.5px var(--ink);font-weight:700}
header.home h1 em{font-style:normal;color:var(--gold)}
.hero-sub{margin-top:30px;max-width:54ch;color:var(--ink-dim);font-size:1.08rem}
.hero-sub strong{color:var(--ink);font-weight:600}
.hero-actions{margin-top:44px;display:flex;gap:16px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:.92rem;
  padding:15px 28px;border-radius:999px;transition:transform .2s,filter .2s;cursor:pointer;border:none;
}
.btn:hover{transform:translateY(-2px)}
.btn-gold{background:var(--gold);color:#060A13}
.btn-gold:hover{filter:brightness(1.08)}
.btn-ghost{border:1px solid var(--line);color:var(--ink);background:none}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.hero-meta{margin-top:64px;display:flex;gap:42px;flex-wrap:wrap}
.hero-meta div{display:flex;flex-direction:column;gap:4px}
.hero-meta .v{font-family:'Unbounded';font-weight:700;font-size:1.3rem;color:var(--ink)}
.hero-meta .k{color:var(--ink-dim);font-size:.8rem}
.hero-meta .v .gold{color:var(--gold)}

/* signature trajectory */
.trajectory{
  position:absolute;left:38%;right:auto;top:7%;width:min(58vw,760px);max-width:none;
  pointer-events:none;opacity:.82;z-index:1;
}
@media(max-width:980px){.trajectory{left:28%;top:8%;width:76%;opacity:.48}}
.traj-path{stroke-dasharray:1600;stroke-dashoffset:1600;animation:draw 2.6s cubic-bezier(.6,0,.2,1) .3s forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.traj-node{animation:pulse 2.8s ease-in-out 2.4s infinite;transform-origin:center;opacity:0;animation-fill-mode:forwards}
@keyframes pulse{0%{opacity:0;transform:scale(.6)}12%{opacity:1;transform:scale(1)}50%{transform:scale(1.18)}100%{opacity:1;transform:scale(1)}}

/* ---------- SECTIONS ---------- */
section{padding:110px 0;position:relative}
.tint-expertises{
  background:
    radial-gradient(760px 420px at 100% 16%, rgba(54,197,165,.10), transparent 64%),
    linear-gradient(180deg,var(--bg) 0%,var(--bg-soft) 45%,var(--bg) 100%);
}
.sec-head{margin-bottom:64px;max-width:760px}
.sec-head .mono{color:var(--gold);display:inline-flex;align-items:center;gap:12px;margin-bottom:18px}
.sec-head .mono::before{content:"";width:26px;height:1px;background:var(--gold)}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem);font-weight:700;letter-spacing:-.01em}
h2 em{font-style:normal;color:var(--gold)}
.sec-head p{margin-top:18px;color:var(--ink-dim)}

.divider{height:1px;max-width:1180px;margin:0 auto;background:linear-gradient(90deg,var(--red),var(--gold) 45%,var(--green));opacity:.35}

/* expertises / pillars */
.pillars{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.pillar{
  border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;
  background:linear-gradient(145deg,rgba(23,48,74,.82),var(--panel) 70%);
  position:relative;overflow:hidden;transition:transform .25s,border-color .25s;
}
.pillar:hover{transform:translateY(-4px);border-color:rgba(224,168,46,.45)}
.pillar::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--red),var(--gold),var(--green));
  transform:scaleX(0);transform-origin:left;transition:transform .35s;
}
.pillar:hover::after{transform:scaleX(1)}
.pillar.big{grid-column:span 7}
.pillar.small{grid-column:span 5}
.pillar.third{grid-column:span 4}
@media(max-width:880px){.pillar.big,.pillar.small,.pillar.third{grid-column:span 12}}
.pillar .tag{color:var(--gold);margin-bottom:18px;display:block}
.pillar h3{font-size:1.15rem;font-weight:700;margin-bottom:14px}
.pillar p{color:var(--ink-dim);font-size:.95rem}
.pillar ul{margin-top:16px;list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.pillar li{
  font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.08em;color:var(--ink-dim);
  border:1px solid var(--line);border-radius:999px;padding:6px 12px;
}

/* approche / steps */
.tint-approche{
  background:
    radial-gradient(620px 360px at 16% 30%, rgba(105,167,255,.13), transparent 68%),
    linear-gradient(180deg,transparent,rgba(17,37,58,.82) 18%,rgba(17,37,58,.82) 82%,transparent);
}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}
@media(max-width:880px){.steps{grid-template-columns:1fr}}
.step{border-left:1px solid var(--line);padding:6px 0 6px 26px;position:relative}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:'Unbounded';font-weight:900;font-size:2.6rem;
  color:transparent;-webkit-text-stroke:1px var(--gold);display:block;margin-bottom:14px;
}
.step h3{font-size:1rem;margin-bottom:10px}
.step p{color:var(--ink-dim);font-size:.94rem}

/* secteurs marquee */
.secteurs{
  padding:90px 0;
  background:linear-gradient(180deg,var(--bg),#0B1826 50%,var(--bg));
}
.marquee{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0;position:relative}
.marquee-track{display:flex;gap:54px;width:max-content;animation:scroll 36s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes scroll{to{transform:translateX(-50%)}}
.marquee span{
  font-family:'Unbounded';font-weight:300;font-size:1.25rem;color:var(--ink-dim);white-space:nowrap;
  display:flex;align-items:center;gap:54px;
}
.marquee span::after{content:"\25C6";color:var(--gold);font-size:.6rem}

/* réalisations / cases */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:880px){.cases{grid-template-columns:1fr}}
.tint-realisations{
  background:
    radial-gradient(760px 420px at 5% 10%, rgba(224,168,46,.10), transparent 64%),
    radial-gradient(680px 380px at 92% 72%, rgba(54,197,165,.11), transparent 68%);
}
.case{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(180deg,var(--panel-bright),var(--panel) 58%);
  display:flex;flex-direction:column;transition:transform .25s,border-color .25s;
}
.case:hover{transform:translateY(-4px);border-color:rgba(224,168,46,.45)}
.case .ph{
  aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;
  font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.18em;color:var(--ink-dim);
  border-bottom:1px solid var(--line);text-align:center;padding:0 16px;
}
.case:nth-child(1) .ph{background:linear-gradient(135deg,rgba(210,39,48,.25),var(--panel-2))}
.case:nth-child(2) .ph{background:linear-gradient(135deg,rgba(224,168,46,.22),var(--panel-2))}
.case:nth-child(3) .ph{background:linear-gradient(135deg,rgba(46,139,87,.25),var(--panel-2))}
.case .body{padding:26px 26px 30px}
.case .mono{color:var(--gold);display:block;margin-bottom:12px}
.case h3{font-size:.98rem;line-height:1.45;font-family:'Manrope';font-weight:700}
.case .impact{margin-top:18px;font-family:'Unbounded';font-weight:700;font-size:1.5rem;color:var(--gold)}
.case .impact small{display:block;font-family:'Manrope';font-weight:500;font-size:.78rem;color:var(--ink-dim);margin-top:4px}
.case .body p{color:var(--ink-dim);font-size:.92rem;margin-top:14px}

/* citation */
.quote{max-width:880px;margin:0 auto;text-align:center}
.quote blockquote{
  font-family:'Unbounded';font-weight:300;font-size:clamp(1.2rem,2.6vw,1.7rem);line-height:1.55;
}
.quote blockquote em{font-style:normal;color:var(--gold)}
.quote cite{display:block;margin-top:28px;font-style:normal;color:var(--ink-dim);font-size:.88rem}
.quote .marks{font-family:'Unbounded';font-weight:900;font-size:3rem;color:var(--gold);line-height:1;margin-bottom:18px}

/* testimonials */
.testimonials{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media(max-width:760px){.testimonials{grid-template-columns:1fr}}
.testi{
  border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;
  background:linear-gradient(145deg,rgba(23,48,74,.55),var(--panel) 75%);
}
.testi p{color:var(--ink);font-size:.98rem;font-style:italic}
.testi cite{display:block;margin-top:18px;font-style:normal;color:var(--gold);font-size:.84rem;font-family:'IBM Plex Mono',monospace;letter-spacing:.08em}

/* generic prose blocks */
.prose-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
@media(max-width:880px){.prose-grid{grid-template-columns:1fr;gap:30px}}
.prose-grid p{color:var(--ink-dim);margin-bottom:18px}
.prose-grid p strong{color:var(--ink)}
.value-list{list-style:none;display:flex;flex-direction:column;gap:18px}
.value-list li{border-left:2px solid var(--gold);padding-left:18px}
.value-list li h3{font-size:1.02rem;margin-bottom:6px}
.value-list li p{color:var(--ink-dim);font-size:.94rem;margin:0}

/* service detail block */
.service-block{
  border:1px solid var(--line);border-radius:var(--radius);padding:40px 38px;margin-bottom:24px;
  background:linear-gradient(145deg,rgba(23,48,74,.5),var(--panel) 72%);
  scroll-margin-top:120px;
}
.service-block .mono{color:var(--gold);display:block;margin-bottom:14px}
.service-block h3{font-size:1.4rem;margin-bottom:16px}
.service-block p{color:var(--ink-dim);max-width:70ch}
.service-block ul{margin-top:20px;list-style:none;display:flex;flex-wrap:wrap;gap:10px}
.service-block li{
  font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.08em;color:var(--ink-dim);
  border:1px solid var(--line);border-radius:999px;padding:7px 14px;
}
@media(max-width:640px){.service-block{padding:30px 24px}}

/* contact */
.contact-card{
  border:1px solid var(--line);border-radius:26px;padding:56px 50px;
  background:
    radial-gradient(620px 320px at 90% 0%, rgba(224,168,46,.14), transparent 65%),
    radial-gradient(520px 280px at 0% 100%, rgba(105,167,255,.12), transparent 70%),
    linear-gradient(145deg,var(--panel-bright),var(--panel) 68%);
  display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start;
}
@media(max-width:880px){.contact-card{grid-template-columns:1fr;padding:40px 28px}}
.contact-card h2{font-size:clamp(1.6rem,3vw,2.2rem)}
.contact-card p{margin-top:16px;color:var(--ink-dim)}
.contact-list{display:flex;flex-direction:column;gap:18px;margin-top:28px}
.contact-list a{color:var(--ink);text-decoration:none;display:flex;flex-direction:column;gap:2px;border-left:2px solid var(--gold);padding-left:16px}
.contact-list a:hover .v{color:var(--gold)}
.contact-list .k{font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-dim)}
.contact-list .v{font-weight:700;transition:color .2s;overflow-wrap:anywhere}

/* form */
.form-field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.form-field label{font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-dim)}
.form-field input,.form-field textarea,.form-field select{
  background:rgba(6,10,19,.55);border:1px solid var(--line);border-radius:12px;
  padding:13px 16px;color:var(--ink);font-family:'Manrope',sans-serif;font-size:.95rem;transition:border-color .2s;
}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{outline:none;border-color:var(--gold)}
.form-field textarea{resize:vertical;min-height:130px}
.form-note{margin-top:6px;color:var(--ink-dim);font-size:.8rem}

/* footer */
footer{border-top:1px solid var(--line);padding:54px 0 40px;background:#050810}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
@media(max-width:880px){.foot-grid{grid-template-columns:1fr}}
.foot-grid .brand{margin-bottom:16px}
.foot-grid h4{font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:16px}
.foot-grid p,.foot-grid li{color:var(--ink-dim);font-size:.88rem;list-style:none;margin-bottom:6px}
.foot-grid a{color:inherit;text-decoration:none}
.foot-grid a:hover{color:var(--gold)}
.foot-bottom{margin-top:44px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--ink-dim);font-size:.78rem}
.tri{display:inline-flex;gap:0;vertical-align:middle;margin-right:8px}
.tri i{width:14px;height:3px;display:inline-block}
.tri i:nth-child(1){background:var(--red)}
.tri i:nth-child(2){background:var(--gold)}
.tri i:nth-child(3){background:var(--green)}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  .traj-path{stroke-dashoffset:0}
  .traj-node{opacity:1}
}
a:focus-visible,button:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}

/* ---------- TABLET (≤1024px) ---------- */
@media(max-width:1024px){
  .wrap{padding:0 24px}
  section{padding:88px 0}
  .sec-head{margin-bottom:48px}
  .trajectory{left:30%;width:76%;top:7%;opacity:.5}
  .hero-meta{gap:32px}
  .cases{grid-template-columns:repeat(2,1fr)}
  .cases .case:last-child{grid-column:span 2}
  .contact-card{padding:48px 38px;gap:40px}
}
@media(max-width:880px){
  .cases{grid-template-columns:1fr}
  .cases .case:last-child{grid-column:auto}
}

/* ---------- MOBILE (≤640px) ---------- */
@media(max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .nav-inner{padding:10px 20px}
  .brand img{height:38px}
  section{padding:68px 0}
  header.home{padding:130px 0 64px;min-height:auto}
  .page-hero{padding:130px 0 56px}
  .trajectory{left:-8%;top:68px;width:132%;opacity:.34}
  .hero-eyebrow{margin-bottom:24px;font-size:.68rem}
  header.home h1{font-size:clamp(2rem,9.5vw,2.6rem)}
  .hero-sub{font-size:.98rem;margin-top:24px}
  .hero-actions{margin-top:32px;flex-direction:column;align-items:stretch}
  .btn{justify-content:center;padding:15px 22px}
  .hero-meta{margin-top:46px;gap:14px;flex-direction:column}
  .hero-meta div{flex-direction:row;align-items:baseline;gap:12px}
  .hero-meta .v{font-size:1.15rem;min-width:54px}
  h2{font-size:clamp(1.4rem,6vw,1.8rem)}
  .sec-head p{font-size:.95rem}
  .pillar{padding:26px 22px}
  .step{padding-left:20px}
  .step::before{font-size:2rem}
  .secteurs{padding:56px 0}
  .marquee span{font-size:1rem;gap:36px}
  .marquee-track{gap:36px;animation-duration:28s}
  .case .body{padding:22px 20px 26px}
  .quote .marks{font-size:2.2rem}
  .contact-card{padding:32px 22px;border-radius:20px}
  footer{padding:44px 0 32px}
  .foot-grid{gap:32px}
  .foot-bottom{flex-direction:column;gap:8px;margin-top:36px}
}
@media(max-width:380px){
  .brand img{height:34px}
  header.home h1{font-size:1.8rem}
  .trajectory{left:-18%;width:148%;opacity:.32}
  .hero-meta .v{font-size:1.05rem}
  .pillar li{font-size:.62rem;padding:5px 10px}
}