/* ILM Consulting - Design system v2 - charte: blanc verrouille, violet, encre */
:root{
  --ink:#1C1626; --ink-soft:#4F475C; --muted:#8A8296;
  --violet:#8C52FF; --violet-deep:#5F2BC4; --wash:#EFE8FF; --wash-2:#F7F4FE;
  --paper:#FFFFFF; --grey:#F5F4F7; --hair:rgba(28,22,38,.12);
  --sh-1:0 1px 2px rgba(28,22,38,.05),0 8px 28px -12px rgba(28,22,38,.12);
  --sh-2:0 2px 6px rgba(28,22,38,.06),0 24px 48px -18px rgba(95,43,196,.22);
  --r:20px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;color-scheme:light;background:#FFF}
body{background:#FFF;color:var(--ink);font-family:'Manrope',sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
@media (prefers-color-scheme:dark){html,body{background:#FFF!important;color:#1C1626!important}}
::selection{background:var(--violet);color:#fff}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.serif{font-family:'Playfair Display',serif;font-weight:600;letter-spacing:-.02em}
.mono{font-family:'JetBrains Mono',monospace}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}

/* grain + halos */
.bg-noise{position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 .1 0 0 0 0 .08 0 0 0 0 .15 0 0 0 .04 0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E")}
.halo{position:absolute;border-radius:50%;filter:blur(70px);pointer-events:none}

/* progress + nav */
#progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--violet),var(--violet-deep));z-index:60}
.nav{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(255,255,255,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--hair)}
.nav .in{max-width:1140px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;gap:34px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:'Playfair Display',serif;font-weight:700;font-size:21px;letter-spacing:-.01em}
.brand i{font-style:normal;color:var(--violet)}
.brand img{width:1.3em;height:1.3em;display:block}
.nav nav{display:flex;gap:26px;margin-left:auto;align-items:center}
.nav nav a:not(.btn){font-size:14px;font-weight:600;color:var(--ink-soft);position:relative;padding:4px 0}
.nav nav a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--violet);transition:width .25s}
.nav nav a:not(.btn):hover::after,.nav nav a:not(.btn)[aria-current]::after{width:100%}
.nav nav a:not(.btn)[aria-current]{color:var(--ink)}
.btn{display:inline-block;background:var(--violet);color:#fff;font-weight:700;font-size:14.5px;padding:12px 22px;border-radius:999px;border:0;cursor:pointer;box-shadow:0 10px 24px -10px rgba(140,82,255,.55);transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px);background:var(--violet-deep);box-shadow:0 16px 30px -10px rgba(95,43,196,.5)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--hair);box-shadow:none}
.btn.ghost:hover{border-color:var(--violet);color:var(--violet-deep);background:#fff}
.burger{display:none;margin-left:auto;background:none;border:0;font-size:26px;color:var(--ink);cursor:pointer}
@media(max-width:880px){
  .nav nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--hair);flex-direction:column;padding:18px 24px;gap:16px;align-items:flex-start}
  .nav nav.open{display:flex}
  .burger{display:block}
}

/* sections */
.section{padding:110px 0;position:relative}
.section.alt{background:var(--grey);border-top:1px solid var(--hair);border-bottom:1px solid var(--hair)}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--violet-deep);font-weight:600;margin-bottom:20px}
.eyebrow::before{content:"";width:26px;height:1.5px;background:var(--violet)}
h1.d{font-size:clamp(42px,6.4vw,78px);line-height:1.02;letter-spacing:-.028em}
h2.d{font-size:clamp(30px,4.2vw,50px);line-height:1.06}
h1.d em,h2.d em{font-style:italic;color:var(--violet);}
.lead{font-size:clamp(16.5px,1.6vw,19px);color:var(--ink-soft);max-width:62ch}
.lead b{color:var(--ink)}
.sec-head{max-width:70ch;margin-bottom:56px}
.sec-head p{margin-top:16px;color:var(--ink-soft);font-size:17px;max-width:64ch}
.center{text-align:center}.center .sec-head{margin-left:auto;margin-right:auto}
.kicker{font-family:'Playfair Display',serif;font-style:italic;font-size:clamp(17px,2.2vw,22px);color:var(--ink)}
.kicker span{color:var(--violet-deep)}

/* hero */
.hero{position:relative;padding:190px 0 120px;overflow:hidden}
.hero .halo.a{width:640px;height:640px;background:rgba(140,82,255,.14);top:-220px;right:-160px}
.hero .halo.b{width:420px;height:420px;background:rgba(95,43,196,.10);bottom:-180px;left:-120px}
.hero .grid2{display:grid;grid-template-columns:1.25fr .9fr;gap:60px;align-items:center}
@media(max-width:960px){.hero{padding:150px 0 90px}.hero .grid2{grid-template-columns:1fr}}
.hero .cta-row{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}

/* scorecard signature */
.scorecard{position:relative;background:#fff;border:1px solid var(--hair);border-radius:26px;padding:30px 30px 26px;box-shadow:var(--sh-2);max-width:390px;margin-left:auto}
.scorecard::before{content:"";position:absolute;inset:0;border-radius:26px;padding:1px;background:linear-gradient(135deg,rgba(140,82,255,.5),transparent 40%);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.scorecard .tag{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.2em;color:var(--violet-deep);font-weight:600;text-transform:uppercase}
.scorecard .deal{font-family:'Playfair Display',serif;font-size:21px;margin:8px 0 18px}
.gauge{display:flex;align-items:center;gap:22px}
.gauge svg{width:118px;height:118px;transform:rotate(-90deg)}
.gauge .track{fill:none;stroke:var(--wash);stroke-width:9}
.gauge .fill{fill:none;stroke:url(#gv);stroke-width:9;stroke-linecap:round;stroke-dasharray:339.3;stroke-dashoffset:339.3;transition:stroke-dashoffset 1.6s cubic-bezier(.22,.8,.3,1)}
.gauge .num{font-family:'JetBrains Mono',monospace;font-size:40px;font-weight:700;color:var(--ink);line-height:1}
.gauge .num small{font-size:17px;color:var(--muted);font-weight:600}
.gauge .lbl{font-size:12.5px;color:var(--ink-soft);margin-top:6px;max-width:16ch}
.scorecard .rows{margin-top:20px;border-top:1px solid var(--hair);padding-top:16px;display:grid;gap:10px}
.scorecard .row{display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink-soft)}
.scorecard .row b{font-family:'JetBrains Mono',monospace;font-weight:600}
.ok{color:#2E7D4F}.warn{color:#C9433C}

/* stat cards */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.stat{background:#fff;border:1px solid var(--hair);border-radius:var(--r);padding:34px 30px;box-shadow:var(--sh-1);transition:transform .25s,box-shadow .25s,border-color .25s}
.stat:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:rgba(140,82,255,.35)}
.stat .big{font-family:'JetBrains Mono',monospace;font-size:clamp(36px,4vw,48px);font-weight:700;color:var(--violet-deep);line-height:1}
.stat p{margin-top:12px;font-size:14px;color:var(--ink-soft)}
.stat .src{margin-top:14px;font-size:10.5px;font-family:'JetBrains Mono',monospace;color:var(--muted)}
.stat.dark{background:linear-gradient(150deg,#7B45E0,var(--violet-deep));border:0;color:#fff}
.stat.dark .big{color:#fff}.stat.dark p{color:#E8DDFF}.stat.dark .src{color:#C8B4F2}

/* diptych */
.diptych{display:grid;grid-template-columns:1fr 1fr;gap:26px}
@media(max-width:880px){.diptych{grid-template-columns:1fr}}
.pan{border-radius:24px;padding:42px 38px;position:relative;overflow:hidden;box-shadow:var(--sh-1)}
.pan.avant{background:#fff;border:1px solid var(--hair)}
.pan.apres{background:linear-gradient(150deg,#7B45E0,var(--violet-deep));color:#fff}
.pan .tag{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;font-weight:600}
.pan.avant .tag{color:var(--muted)}.pan.apres .tag{color:#D9C7FF}
.pan .q{font-family:'Playfair Display',serif;font-size:clamp(20px,2.4vw,24px);line-height:1.3;margin-top:14px}
.pan .score{font-family:'JetBrains Mono',monospace;font-weight:700;line-height:1;margin-top:26px;display:block}
.pan.avant .score{font-size:40px;color:#B4ABC2}.pan.apres .score{font-size:52px;color:#fff}
.pan .slbl{display:block;font-size:13.5px;margin-top:8px;max-width:38ch}
.pan.avant .slbl{color:var(--ink-soft)}.pan.apres .slbl{color:#E8DDFF}
.pan .src{display:block;margin-top:14px;font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.04em}
.pan.avant .src{color:var(--muted)}.pan.apres .src{color:#C8B4F2}

/* pillars / cards generiques */
.cards3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.card{background:#fff;border:1px solid var(--hair);border-radius:var(--r);padding:36px 32px;box-shadow:var(--sh-1);transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:rgba(140,82,255,.35)}
.card .idx{font-family:'JetBrains Mono',monospace;font-size:12.5px;color:var(--violet);font-weight:700;display:flex;align-items:center;gap:12px;margin-bottom:16px}
.card .idx::after{content:"";flex:1;height:1px;background:var(--hair)}
.card h3{font-family:'Playfair Display',serif;font-size:21px;line-height:1.2;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--ink-soft)}

/* chaine 5 etapes */
.chain{position:relative;max-width:820px}
.link{position:relative;padding:0 0 44px 76px}
.link::before{content:"";position:absolute;left:25px;top:56px;bottom:-2px;width:2px;background:linear-gradient(var(--violet),var(--violet-deep))}
.link:last-child::before{display:none}
.link .n{position:absolute;left:0;top:0;width:52px;height:52px;border-radius:50%;background:#fff;border:1.5px solid var(--violet);display:flex;align-items:center;justify-content:center;font-family:'JetBrains Mono',monospace;font-weight:700;color:var(--violet-deep);box-shadow:0 6px 16px -8px rgba(140,82,255,.4)}
.link.fill .n{background:var(--violet);color:#fff}
.link h3{font-family:'Playfair Display',serif;font-size:22px;line-height:1.15}
.link h3 small{display:block;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--violet-deep);font-weight:600;margin-bottom:6px}
.link p{margin-top:8px;color:var(--ink-soft);font-size:15px;max-width:58ch}

/* presence */
.presence{display:grid;grid-template-columns:repeat(3,1fr);margin-top:54px;border:1px solid var(--hair);border-radius:18px;overflow:hidden;background:#fff;box-shadow:var(--sh-1)}
@media(max-width:680px){.presence{grid-template-columns:1fr}}
.presence .ph{padding:28px}
.presence .ph+.ph{border-left:1px solid var(--hair)}
@media(max-width:680px){.presence .ph+.ph{border-left:0;border-top:1px solid var(--hair)}}
.presence .pl{display:block;font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--violet-deep);font-weight:700;margin-bottom:8px}
.presence p{font-size:14.5px;color:var(--ink-soft)}

/* volets + modele */
.volets{display:grid;grid-template-columns:1fr 1fr;gap:26px}
@media(max-width:880px){.volets{grid-template-columns:1fr}}
.volet{background:#fff;border:1px solid var(--hair);border-radius:24px;padding:40px 36px;box-shadow:var(--sh-1)}
.volet .vt{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.2em;color:var(--violet-deep);font-weight:700;text-transform:uppercase}
.volet h3{font-family:'Playfair Display',serif;font-size:26px;margin:10px 0 6px}
.volet .vs{color:var(--ink-soft);font-size:15px;margin-bottom:18px}
.volet ul{list-style:none;display:grid;gap:11px}
.volet li{position:relative;padding-left:24px;font-size:14.5px;color:var(--ink-soft)}
.volet li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;background:var(--violet)}
.model{background:#fff;border:1px solid var(--hair);border-radius:24px;padding:40px 38px;box-shadow:var(--sh-1);margin-top:26px}
.model h3{font-family:'Playfair Display',serif;font-size:24px;margin-bottom:24px}
.model .m3{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
@media(max-width:760px){.model .m3{grid-template-columns:1fr}}
.model .mc{padding:0 26px}
.model .mc:first-child{padding-left:0}
.model .mc+.mc{border-left:1px solid var(--hair)}
@media(max-width:760px){.model .mc{padding:18px 0}.model .mc+.mc{border-left:0;border-top:1px solid var(--hair)}}
.model .ml{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.16em;color:var(--violet-deep);font-weight:700;text-transform:uppercase}
.model h4{font-size:16.5px;margin:8px 0 6px;font-weight:700}
.model p{font-size:13.5px;color:var(--ink-soft)}

/* quotes */
.quotes{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.quote{background:#fff;border:1px solid var(--hair);border-radius:var(--r);padding:38px 32px;box-shadow:var(--sh-1);position:relative;transition:transform .25s,box-shadow .25s}
.quote:hover{transform:translateY(-5px);box-shadow:var(--sh-2)}
.quote::before{content:"\201C";font-family:'Playfair Display',serif;font-size:74px;line-height:0;color:var(--violet);opacity:.35;position:absolute;top:42px;left:26px}
.quote .qt{font-size:15.5px;color:var(--ink);position:relative;z-index:1;padding-top:8px}
.quote .who{margin-top:18px;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--violet-deep);font-weight:600}
.chipline{display:flex;flex-wrap:wrap;gap:10px;margin:34px 0 44px}
.chip{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--violet-deep);background:var(--wash);border:1px solid rgba(95,43,196,.22);border-radius:999px;padding:8px 15px}

/* CTA band */
.cta-band{background:linear-gradient(150deg,#7B45E0,var(--violet-deep));border-radius:28px;padding:64px 56px;color:#fff;position:relative;overflow:hidden}
.cta-band .halo{width:420px;height:420px;background:rgba(255,255,255,.12);top:-160px;right:-120px;filter:blur(60px)}
.cta-band h2{font-family:'Playfair Display',serif;font-size:clamp(26px,3.6vw,40px);max-width:22ch;line-height:1.12}
.cta-band p{margin-top:12px;color:#E8DDFF;max-width:52ch}
.cta-band .btn{background:#fff;color:var(--violet-deep);margin-top:28px}
.cta-band .btn:hover{background:var(--wash)}
@media(max-width:680px){.cta-band{padding:44px 28px}}

/* form */
.form{max-width:640px}
.form label{display:block;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);font-weight:600;margin:22px 0 8px}
.form select,.form input,.form textarea{width:100%;background:#fff;border:1px solid var(--hair);border-radius:14px;padding:15px 16px;font-family:'Manrope',sans-serif;font-size:15px;color:var(--ink);outline:none;transition:border-color .2s,box-shadow .2s}
.form select:focus,.form input:focus,.form textarea:focus{border-color:var(--violet);box-shadow:0 0 0 4px rgba(140,82,255,.14)}
.form textarea{min-height:150px;resize:vertical}
.form .btn{margin-top:26px}
.form .note{margin-top:16px;font-size:12.5px;color:var(--muted)}

/* footer */
footer{border-top:1px solid var(--hair);padding:64px 0 40px;background:#fff}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
@media(max-width:760px){.fgrid{grid-template-columns:1fr}}
footer .brand{font-size:24px}
footer .bl{margin-top:10px;color:var(--ink-soft);font-size:14px}
footer h5{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:14px}
footer ul{list-style:none;display:grid;gap:10px}
footer ul a{font-size:14px;color:var(--ink-soft)}
footer ul a:hover{color:var(--violet-deep)}
.legal{margin-top:48px;padding-top:22px;border-top:1px solid var(--hair);font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.08em;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.legal-links{display:flex;gap:16px}
.legal-links a{color:var(--muted)}
.legal-links a:hover{color:var(--violet-deep)}

/* reveal + motion */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.on{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .gauge .fill{transition:none}
  html{scroll-behavior:auto}
}