/* ── RESET ─────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:#05060d;color:#eef0fa;font-family:'Inter',system-ui,sans-serif;font-size:16px;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%}

/* ── TOKENS ─────────────────────────────────────────────────── */
:root{
  --bg:    #05060d;
  --bg2:   #090b18;
  --bg3:   #0d1024;
  --tx:    #eef0fa;
  --mu:    #8890ab;
  --mu2:   #5b6280;
  --ac:    #4d7dff;
  --ac2:   #7aa2ff;
  --acdim: rgba(77,125,255,.14);
  --aclow: rgba(77,125,255,.07);
  --bd:    rgba(148,168,255,.14);
  --bdm:   rgba(148,168,255,.28);
  --glass: rgba(15,19,40,.55);
  --disp:  'Space Grotesk',Arial,sans-serif;
  --sans:  'Space Grotesk',Arial,sans-serif;
  --mono:  'IBM Plex Mono',ui-monospace,monospace;
  --eas:   cubic-bezier(.16,1,.3,1);
}

::selection{background:var(--ac);color:#fff}

/* ── GLOW ORBS (reusable background atmosphere) ───────────────── */
.orb{position:absolute;border-radius:50%;pointer-events:none;filter:blur(80px)}
.orb-a{width:640px;height:640px;background:radial-gradient(circle,rgba(77,125,255,.35),transparent 70%)}
.orb-b{width:520px;height:520px;background:radial-gradient(circle,rgba(122,162,255,.28),transparent 70%)}
.orb-c{width:420px;height:420px;background:radial-gradient(circle,rgba(45,80,200,.3),transparent 70%)}
@keyframes drift1{0%,100%{transform:translate(0,0)}50%{transform:translate(40px,-30px)}}
@keyframes drift2{0%,100%{transform:translate(0,0)}50%{transform:translate(-35px,25px)}}

/* ── SCROLL PROGRESS + NAV ─────────────────────────────────────── */
#scroll-progress{position:fixed;top:0;left:0;height:2px;background:linear-gradient(90deg,var(--ac),var(--ac2));z-index:950;width:0%}
#nav{
  position:fixed;top:0;left:0;right:0;z-index:900;
  display:flex;align-items:center;justify-content:space-between;
  padding:1.4rem 3rem;
  transition:padding .35s var(--eas),background .35s,border-color .35s;
  border-bottom:1px solid transparent;
}
#nav.on{
  padding:.9rem 3rem;
  background:rgba(5,6,13,.85);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-color:var(--bd);
}
.n-brand{display:flex;align-items:center;gap:.7rem;text-decoration:none}
.n-logo-badge{width:34px;height:34px;border-radius:9px;overflow:hidden;flex-shrink:0;box-shadow:0 0 0 1px var(--bd),0 4px 18px rgba(77,125,255,.35)}
.n-logo-badge img{width:100%;height:100%;object-fit:cover;display:block}
.n-word{font-family:var(--sans);font-size:1.08rem;font-weight:700;letter-spacing:.005em;color:var(--tx)}
.n-word b{color:var(--ac);font-weight:700}
.n-links{display:flex;align-items:center;gap:2.2rem;list-style:none}
.n-links a{font-size:.72rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--mu);text-decoration:none;transition:color .2s}
.n-links a:hover{color:var(--tx)}
.n-cta{
  display:inline-flex;align-items:center;gap:.4rem;
  border:1px solid var(--bdm);color:var(--tx)!important;
  padding:.55rem 1.2rem!important;border-radius:100px;
  background:var(--aclow);
  transition:all .25s var(--eas)!important;
}
.n-cta:hover{background:var(--ac);border-color:var(--ac);box-shadow:0 0 24px rgba(77,125,255,.5)}
.n-burger{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:.5rem;cursor:pointer}
.n-burger span{display:block;width:20px;height:1.5px;background:var(--mu);transition:background .2s}
.n-burger:hover span{background:var(--tx)}

/* ── MOBILE OVERLAY ─────────────────────────────────────────── */
#mob{
  display:none;position:fixed;inset:0;z-index:800;
  background:rgba(5,6,13,.97);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  flex-direction:column;align-items:flex-start;justify-content:center;padding:3rem;
}
#mob.open{display:flex}
#mob a{
  font-family:var(--disp);font-size:clamp(1.9rem,6vw,2.6rem);font-weight:700;letter-spacing:-.01em;
  color:var(--mu);text-decoration:none;padding:.6rem 0;
  border-bottom:1px solid var(--bd);width:100%;transition:color .2s;display:block;
}
#mob a:hover{color:var(--tx)}
#mob a:last-child{border-bottom:none}
#mob-close{
  position:absolute;top:1.5rem;right:2rem;
  background:none;border:none;color:var(--mu);font-family:var(--sans);
  font-size:1.2rem;cursor:pointer;padding:.5rem;transition:color .2s;
}
#mob-close:hover{color:var(--tx)}

/* ── HERO ────────────────────────────────────────────────────── */
#hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;background:var(--bg)}
.h-grid{
  position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(0deg,transparent,transparent 63px,rgba(148,168,255,.035) 63px,rgba(148,168,255,.035) 64px),
    repeating-linear-gradient(90deg,transparent,transparent 63px,rgba(148,168,255,.035) 63px,rgba(148,168,255,.035) 64px);
  mask-image:radial-gradient(ellipse 70% 60% at 60% 40%,black 0%,transparent 75%);
}
.h-orb-a{top:-12%;right:-8%;animation:drift1 16s ease-in-out infinite}
.h-orb-b{bottom:-16%;left:-10%;animation:drift2 20s ease-in-out infinite}
.h-inner{position:relative;z-index:2;width:100%;max-width:1280px;margin:0 auto;padding:9rem 3rem 6rem}

.badge-glass{
  display:inline-flex;align-items:center;gap:.6rem;
  background:var(--glass);border:1px solid var(--bd);backdrop-filter:blur(12px);
  padding:.5rem 1.1rem;border-radius:100px;margin-bottom:2.1rem;
}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--ac);box-shadow:0 0 10px 2px rgba(77,125,255,.8);flex-shrink:0}
.badge-txt{font-family:var(--mono);font-size:.68rem;font-weight:400;letter-spacing:.08em;text-transform:uppercase;color:var(--mu)}

.h-title{
  font-family:var(--disp);
  font-size:clamp(2.2rem,4.6vw,4.4rem);
  font-weight:700;line-height:1.1;letter-spacing:-.015em;
  max-width:30ch;margin-bottom:1.9rem;
}
.h-title .glow-word{
  background:linear-gradient(100deg,var(--tx) 20%,var(--ac2) 50%,var(--ac) 80%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.h-sub{font-size:clamp(1rem,1.3vw,1.12rem);font-weight:300;color:var(--mu);max-width:52ch;line-height:1.8;margin-bottom:2.75rem}

.h-ctas{display:flex;align-items:center;gap:1.8rem;flex-wrap:wrap;margin-bottom:4rem}
.btn-fill{
  position:relative;isolation:isolate;overflow:hidden;display:inline-flex;align-items:center;gap:.55rem;
  background:linear-gradient(135deg,var(--ac),#2e5ce0);color:#fff;padding:.95rem 2.1rem;
  font-size:.78rem;font-weight:600;letter-spacing:.04em;
  text-decoration:none;border-radius:100px;
  box-shadow:0 4px 28px rgba(77,125,255,.4);
  transition:transform .3s var(--eas),box-shadow .3s var(--eas);white-space:nowrap;
}
.btn-fill:hover{transform:translateY(-2px);box-shadow:0 8px 36px rgba(77,125,255,.6)}
.btn-fill::before{content:'';position:absolute;inset:0;background:radial-gradient(120px circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.35),transparent 65%);opacity:0;transition:opacity .35s;pointer-events:none}
.btn-fill:hover::before{opacity:1}
.btn-ghost{
  display:inline-flex;align-items:center;gap:.5rem;color:var(--tx);font-size:.78rem;font-weight:500;
  text-decoration:none;padding:.95rem 1.6rem;border:1px solid var(--bd);border-radius:100px;
  transition:border-color .25s,background .25s;
}
.btn-ghost:hover{border-color:var(--bdm);background:var(--aclow)}
.btn-ghost .arr{display:inline-block;transition:transform .2s}
.btn-ghost:hover .arr{transform:translateX(4px)}

.h-pills{display:flex;flex-wrap:wrap;gap:.9rem}
.h-pill{display:flex;align-items:center;gap:.6rem;font-size:.82rem;color:var(--mu)}
.h-pill svg{width:15px;height:15px;stroke:var(--ac);flex-shrink:0}

/* ── COMMON ──────────────────────────────────────────────────── */
.wrap{max-width:1280px;margin:0 auto;padding:0 3rem}
.spad{padding:7rem 0;position:relative}
.stag{display:flex;align-items:center;gap:.6rem;margin-bottom:1rem}
.stag::before{content:'';display:block;width:1.2rem;height:1px;background:var(--ac)}
.stag span{font-family:var(--mono);font-size:.66rem;font-weight:400;letter-spacing:.14em;text-transform:uppercase;color:var(--ac2)}
.stitle{font-family:var(--disp);font-size:clamp(2rem,3.6vw,3.2rem);font-weight:700;line-height:1.08;letter-spacing:-.015em}
.slead{font-size:.96rem;font-weight:300;color:var(--mu);line-height:1.8;max-width:56ch;margin-top:1rem}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:end;margin-bottom:3.5rem}

/* ── GLOW CARD (mouse-tracking spotlight) ─────────────────────── */
.gcard{
  --sx:50%;--sy:50%;
  position:relative;overflow:hidden;background:var(--bg3);
  border:1px solid var(--bd);border-radius:20px;
  transition:border-color .4s var(--eas),transform .4s var(--eas);
}
.gcard::before{
  content:'';position:absolute;inset:0;pointer-events:none;opacity:0;border-radius:inherit;
  background:radial-gradient(360px circle at var(--sx) var(--sy),rgba(77,125,255,.16),transparent 68%);
  transition:opacity .45s;
}
.gcard:hover::before{opacity:1}
.gcard:hover{border-color:var(--bdm)}

/* ── SERVICES ──────────────────────────────────────────────────── */
#services{background:var(--bg2);border-top:1px solid var(--bd)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.svc-card{padding:2.4rem 2.2rem}
.svc-num{font-family:var(--mono);font-size:.62rem;color:var(--mu2);letter-spacing:.14em;display:block;margin-bottom:1.6rem;position:relative;z-index:1}
.svc-ico{width:46px;height:46px;border-radius:12px;background:var(--acdim);display:flex;align-items:center;justify-content:center;margin-bottom:1.4rem;position:relative;z-index:1}
.svc-ico svg{width:22px;height:22px;stroke:var(--ac2)}
.svc-title{font-family:var(--disp);font-size:1.28rem;font-weight:600;letter-spacing:-.005em;margin-bottom:.85rem;position:relative;z-index:1}
.svc-desc{font-size:.87rem;color:var(--mu);line-height:1.8;position:relative;z-index:1}

/* ── WHY (crédibilité / talents / clients) ────────────────────── */
#why{background:var(--bg);border-top:1px solid var(--bd)}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.why-card{padding:2.6rem 2.2rem;display:flex;flex-direction:column;gap:1.1rem}
.why-tag{font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ac2);position:relative;z-index:1}
.why-title{font-family:var(--disp);font-size:1.35rem;font-weight:600;position:relative;z-index:1}
.why-desc{font-size:.88rem;color:var(--mu);line-height:1.85;position:relative;z-index:1}

/* ── SPECIALISATION (bande glow) ──────────────────────────────── */
#spec{position:relative;overflow:hidden;border-top:1px solid var(--bd);background:var(--bg2)}
.spec-orb{top:50%;left:50%;transform:translate(-50%,-50%);animation:drift1 22s ease-in-out infinite}
.spec-inner{position:relative;z-index:2;max-width:820px;margin:0 auto;text-align:center;padding:5.5rem 2rem}
.spec-inner .stag{justify-content:center}
.spec-inner .stitle{margin-bottom:1.4rem}
.spec-inner p{font-size:1rem;color:var(--mu);line-height:1.9;margin-bottom:1rem}
.spec-inner p:last-child{margin-bottom:0}
.spec-inner strong{color:var(--tx);font-weight:600}

/* ── PROCESS ───────────────────────────────────────────────────── */
#process{background:var(--bg);border-top:1px solid var(--bd)}
.proc-list{display:flex;flex-direction:column}
.proc-item{
  display:grid;grid-template-columns:90px 1fr;gap:2.5rem;
  padding:2.2rem 0;border-bottom:1px solid var(--bd);align-items:start;
}
.proc-item:first-child{border-top:1px solid var(--bd)}
.proc-n{font-family:var(--disp);font-size:2.2rem;font-weight:700;color:transparent;-webkit-text-stroke:1px var(--bdm);line-height:1}
.proc-body h3{font-family:var(--disp);font-size:1.2rem;font-weight:600;margin-bottom:.55rem}
.proc-body p{font-size:.87rem;color:var(--mu);line-height:1.8;max-width:60ch}

/* ── BLOG ──────────────────────────────────────────────────────── */
#blog{background:var(--bg2);border-top:1px solid var(--bd)}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.blog-card{display:flex;flex-direction:column;text-decoration:none;color:inherit;padding:2.1rem}
.blog-cat{font-family:var(--mono);font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ac2);margin-bottom:1.1rem;position:relative;z-index:1}
.blog-title{font-family:var(--disp);font-size:1.18rem;font-weight:600;line-height:1.3;margin-bottom:.9rem;position:relative;z-index:1}
.blog-excerpt{font-size:.85rem;color:var(--mu);line-height:1.75;margin-bottom:1.4rem;flex:1;position:relative;z-index:1}
.blog-meta{display:flex;align-items:center;gap:.6rem;font-size:.72rem;color:var(--mu2);position:relative;z-index:1}
.blog-meta .arr{margin-left:auto;color:var(--ac2);transition:transform .2s}
.blog-card:hover .blog-meta .arr{transform:translateX(4px)}

/* ── CONTACT ───────────────────────────────────────────────────── */
#contact{position:relative;overflow:hidden;background:var(--bg);border-top:1px solid var(--bd)}
.ct-orb{bottom:-20%;right:-10%;animation:drift2 18s ease-in-out infinite}
.ct-inner{position:relative;z-index:2;text-align:center;max-width:760px;margin:0 auto;padding:5.5rem 2rem}
.ct-inner .stag{justify-content:center}
.ct-inner .stitle{margin-bottom:1.2rem}
.ct-inner .slead{margin:0 auto 3rem;text-align:center}
.ct-mail-btn{
  display:inline-flex;align-items:center;gap:.8rem;
  padding:1.2rem 2.2rem;border:1px solid var(--bdm);border-radius:100px;
  color:var(--tx);text-decoration:none;background:var(--glass);backdrop-filter:blur(12px);
  font-family:var(--sans);font-weight:600;font-size:1rem;
  transition:all .3s var(--eas);
}
.ct-mail-btn:hover{border-color:var(--ac);box-shadow:0 0 32px rgba(77,125,255,.4);transform:translateY(-2px)}
.ct-note{margin-top:1.6rem;font-size:.8rem;color:var(--mu2)}

/* ── FOOTER ──────────────────────────────────────────────────── */
footer{background:var(--bg3);border-top:1px solid var(--bd);padding:4.5rem 3rem 2.25rem}
.ft-inner{max-width:1280px;margin:0 auto}
.ft-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:3rem;margin-bottom:3.5rem}
.ft-brand{display:flex;align-items:center;gap:.7rem;margin-bottom:1rem;text-decoration:none}
.ft-tag{font-size:.84rem;color:var(--mu);line-height:1.7;max-width:30ch}
.ft-col h5{font-family:var(--mono);font-size:.6rem;font-weight:400;letter-spacing:.14em;text-transform:uppercase;color:var(--mu2);margin-bottom:1.1rem}
.ft-col ul{list-style:none;display:flex;flex-direction:column;gap:.55rem}
.ft-col ul a{font-size:.85rem;color:var(--mu);text-decoration:none;transition:color .2s}
.ft-col ul a:hover{color:var(--tx)}
.ft-bot{border-top:1px solid var(--bd);padding-top:1.4rem;text-align:center}
.ft-copy{font-size:.7rem;color:var(--mu2)}

/* ── BLOG ARTICLE PAGE ─────────────────────────────────────────── */
.art-hero{position:relative;padding:9rem 0 3rem;overflow:hidden;border-bottom:1px solid var(--bd)}
.art-orb{top:-20%;right:-10%;animation:drift1 18s ease-in-out infinite}
.art-wrap{max-width:760px;margin:0 auto;padding:0 2rem;position:relative;z-index:2}
.art-back{display:inline-flex;align-items:center;gap:.5rem;font-size:.75rem;color:var(--mu);text-decoration:none;margin-bottom:2.2rem;transition:color .2s}
.art-back:hover{color:var(--tx)}
.art-title{font-family:var(--disp);font-size:clamp(2rem,4.4vw,3.2rem);font-weight:700;line-height:1.1;letter-spacing:-.015em;margin-bottom:1.3rem}
.art-meta{display:flex;align-items:center;gap:1rem;font-family:var(--mono);font-size:.7rem;color:var(--mu2);letter-spacing:.04em}
.art-body{max-width:760px;margin:0 auto;padding:3.5rem 2rem 6rem}
.art-body p{font-size:1rem;color:var(--mu);line-height:1.95;margin-bottom:1.6rem}
.art-body h2{font-family:var(--disp);font-size:1.55rem;font-weight:700;color:var(--tx);margin:2.8rem 0 1.1rem;letter-spacing:-.01em}
.art-body h3{font-family:var(--disp);font-size:1.2rem;font-weight:600;color:var(--tx);margin:2rem 0 .9rem}
.art-body ul{margin:0 0 1.6rem 1.3rem;color:var(--mu)}
.art-body li{margin-bottom:.6rem;line-height:1.8;font-size:.97rem}
.art-body strong{color:var(--tx);font-weight:600}
.art-cta{margin-top:3.5rem;padding:2.4rem;border-radius:20px;border:1px solid var(--bd);background:var(--bg3);text-align:center}
.art-cta h3{font-family:var(--disp);font-size:1.3rem;margin-bottom:.7rem}
.art-cta p{color:var(--mu);font-size:.9rem;margin-bottom:1.5rem}

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media(max-width:1024px){
  #nav{padding:1.15rem 2rem}
  #nav.on{padding:.8rem 2rem}
  .n-links{display:none}
  .n-burger{display:flex}
  .h-inner{padding:7.5rem 2rem 5rem}
  .wrap{padding:0 2rem}
  .spad{padding:5.5rem 0}
  .sec-head{grid-template-columns:1fr}
  .svc-grid,.why-grid,.blog-grid{grid-template-columns:1fr}
  .proc-item{grid-template-columns:60px 1fr;gap:1.5rem}
  footer{padding:4rem 2rem 2rem}
  .ft-grid{grid-template-columns:1fr 1fr;gap:2rem}
  .art-hero{padding:7.5rem 0 2.5rem}
}
@media(max-width:600px){
  .ft-grid{grid-template-columns:1fr}
  .h-ctas{flex-direction:column;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
}