/* ============================================================
   Cresswellia — Neo-art-deco AI consulting
   Palette
   --noir       #0E0F15  fond profond
   --noir-2     #14151E  surfaces
   --noir-3     #1C1E2A  cartes
   --or         #E9C46A  accent doré analytique
   --or-2       #C9A14A  doré profond
   --ivoire     #EDE7D8  texte clair
   --brume      #9A9586  texte secondaire
   ============================================================ */

:root{
  --noir:#0E0F15;
  --noir-2:#14151E;
  --noir-3:#1C1E2A;
  --or:#E9C46A;
  --or-2:#C9A14A;
  --ivoire:#EDE7D8;
  --brume:#9A9586;
  --ligne:rgba(233,196,106,.22);
  --r:4px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--noir);
  color:var(--ivoire);
  font-family:"Cormorant Garamond",Georgia,serif;
  font-size:19px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* ---- typographic system ---- */
h1,h2,h3,h4{font-family:"Cormorant Garamond",Georgia,serif;font-weight:600;line-height:1.12;letter-spacing:.01em}
.eyebrow{
  font-family:"Jost",system-ui,sans-serif;
  font-size:.72rem;letter-spacing:.36em;text-transform:uppercase;
  color:var(--or);font-weight:500;
}
.utility,.btn,nav a,.foot a,label,input,textarea,select,button,.pill,.tag{
  font-family:"Jost",system-ui,sans-serif;
}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
section{position:relative}

/* ---- deco dividers ---- */
.deco-line{display:flex;align-items:center;gap:14px;color:var(--or)}
.deco-line::before,.deco-line::after{content:"";height:1px;background:var(--ligne);flex:1}
.deco-diamond{width:7px;height:7px;background:var(--or);transform:rotate(45deg);flex:none}

/* ============== HEADER ============== */
header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(14,15,21,.72);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--ligne);
  transition:background .4s var(--ease);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:13px}
.brand svg{width:34px;height:34px}
.brand b{font-family:"Cormorant Garamond",serif;font-size:1.45rem;font-weight:600;letter-spacing:.04em}
.brand span{display:block;font-family:"Jost",sans-serif;font-size:.58rem;letter-spacing:.34em;color:var(--brume);text-transform:uppercase;margin-top:-3px}
nav ul{display:flex;gap:30px;list-style:none;align-items:center}
nav a{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brume);transition:color .3s}
nav a:hover{color:var(--or)}
.nav-cta{
  border:1px solid var(--or);color:var(--or);padding:9px 20px;border-radius:var(--r);
  font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;transition:all .35s var(--ease);
}
.nav-cta:hover{background:var(--or);color:var(--noir)}
.burger{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:6px}
.burger span{width:24px;height:2px;background:var(--or);transition:.3s}

/* ============== HERO ============== */
.hero{
  min-height:100vh;display:flex;align-items:center;
  padding:120px 0 70px;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(120% 90% at 78% 18%,rgba(233,196,106,.10),transparent 55%),
    linear-gradient(180deg,var(--noir) 0%,#0B0C11 100%);
}
.hero-img{
  position:absolute;right:0;top:0;height:100%;width:46%;z-index:0;
  -webkit-mask-image:linear-gradient(270deg,#000 35%,transparent);
  mask-image:linear-gradient(270deg,#000 35%,transparent);
  opacity:.5;
}
.hero-img img{height:100%;width:100%;object-fit:cover;filter:grayscale(.3) contrast(1.05)}
.hero .wrap{position:relative;z-index:2}
.hero-grid{max-width:720px}
.hero h1{font-size:clamp(2.9rem,6.4vw,5.3rem);margin:22px 0 18px;letter-spacing:.005em}
.hero h1 em{font-style:italic;color:var(--or)}
.hero p.lede{font-size:1.32rem;color:var(--ivoire);max-width:560px;margin-bottom:14px}
.hero p.sub{color:var(--brume);max-width:540px;font-size:1.05rem}
.hero-actions{display:flex;gap:16px;margin-top:34px;flex-wrap:wrap}

.btn{
  display:inline-flex;align-items:center;gap:10px;cursor:pointer;border:none;
  font-size:.8rem;letter-spacing:.13em;text-transform:uppercase;padding:15px 30px;border-radius:var(--r);
  transition:all .35s var(--ease);
}
.btn-or{background:linear-gradient(135deg,var(--or),var(--or-2));color:var(--noir);font-weight:600}
.btn-or:hover{transform:translateY(-2px);box-shadow:0 12px 30px -10px rgba(233,196,106,.5)}
.btn-ghost{border:1px solid var(--ligne);color:var(--ivoire)}
.btn-ghost:hover{border-color:var(--or);color:var(--or)}

.hero-metrics{display:flex;gap:42px;margin-top:54px;flex-wrap:wrap}
.metric .n{font-size:2.6rem;color:var(--or);font-weight:600;line-height:1}
.metric .l{font-family:"Jost",sans-serif;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--brume);margin-top:8px}

/* ============== GENERIC SECTION HEAD ============== */
.shead{max-width:660px;margin-bottom:54px}
.shead h2{font-size:clamp(2.1rem,4.2vw,3.2rem);margin:16px 0 14px}
.shead p{color:var(--brume);font-size:1.1rem}
.pad{padding:108px 0}
.pad-t{padding-top:108px}

/* ============== EXPERTISE / SERVICES ============== */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--ligne)}
.svc{
  padding:40px 34px;border-right:1px solid var(--ligne);border-bottom:1px solid var(--ligne);
  background:var(--noir-2);transition:background .4s var(--ease);position:relative;
}
.svc:nth-child(3n){border-right:none}
.svc:hover{background:var(--noir-3)}
.svc .num{font-family:"Jost",sans-serif;font-size:.7rem;letter-spacing:.2em;color:var(--or);opacity:.8}
.svc h3{font-size:1.55rem;margin:18px 0 12px}
.svc p{color:var(--brume);font-size:1rem}
.svc .ic{width:42px;height:42px;margin-bottom:6px;color:var(--or)}
.svc .ic svg{width:100%;height:100%}

/* ============== APPROCHE / PROCESS ============== */
.process{background:var(--noir-2);border-top:1px solid var(--ligne);border-bottom:1px solid var(--ligne)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.step{position:relative;padding-top:30px;border-top:1px solid var(--ligne)}
.step .s{font-family:"Jost",sans-serif;font-size:.72rem;letter-spacing:.22em;color:var(--or);position:absolute;top:-11px;background:var(--noir-2);padding-right:12px}
.step h4{font-size:1.4rem;margin:8px 0 10px}
.step p{color:var(--brume);font-size:.98rem}

/* ============== ATELIER / IMAGE FEATURE ============== */
.feature{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.feature .media{position:relative}
.feature .media img{border:1px solid var(--ligne);filter:grayscale(.15) contrast(1.05);aspect-ratio:4/3;object-fit:cover}
.feature .media .frame{position:absolute;inset:-12px;border:1px solid var(--ligne);pointer-events:none}
.feature ul{list-style:none;margin-top:24px}
.feature li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--ligne);color:var(--ivoire);font-size:1.05rem}
.feature li::before{content:"";width:7px;height:7px;background:var(--or);transform:rotate(45deg);margin-top:11px;flex:none}
.feature li b{color:var(--or);font-weight:600;font-family:"Jost",sans-serif;font-size:.92rem;letter-spacing:.04em}

/* ============== TARIFS ============== */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--noir-2);border:1px solid var(--ligne);border-radius:var(--r);
  padding:40px 32px;display:flex;flex-direction:column;transition:transform .4s var(--ease),border-color .4s;
}
.card:hover{transform:translateY(-6px);border-color:var(--or)}
.card.feat{background:linear-gradient(180deg,var(--noir-3),var(--noir-2));border-color:var(--or)}
.card .tag{font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--or);margin-bottom:14px}
.card h3{font-size:1.7rem;margin-bottom:6px}
.card .desc{color:var(--brume);font-size:.98rem;min-height:48px}
.card .price{margin:22px 0 6px;display:flex;align-items:baseline;gap:8px}
.card .price .amt{font-size:3rem;color:var(--or);font-weight:600;line-height:1}
.card .price .per{font-family:"Jost",sans-serif;font-size:.74rem;letter-spacing:.12em;color:var(--brume);text-transform:uppercase}
.card .vat{font-family:"Jost",sans-serif;font-size:.68rem;color:var(--brume);letter-spacing:.06em;margin-bottom:22px}
.card ul{list-style:none;margin-bottom:28px;flex:1}
.card li{padding:9px 0;border-bottom:1px solid rgba(233,196,106,.1);font-size:.98rem;display:flex;gap:11px;color:var(--ivoire)}
.card li::before{content:"◇";color:var(--or);font-size:.8rem}
.card .btn{width:100%;justify-content:center}
.price-note{margin-top:28px;color:var(--brume);font-size:.92rem;text-align:center;font-family:"Jost",sans-serif;letter-spacing:.03em}

/* ============== TÉMOIGNAGES ============== */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{background:var(--noir-2);border:1px solid var(--ligne);padding:34px 30px;border-radius:var(--r)}
.quote .mark{font-size:2.6rem;color:var(--or);line-height:.4;font-family:Georgia,serif}
.quote p{font-size:1.08rem;margin:18px 0 22px;color:var(--ivoire)}
.quote .who{font-family:"Jost",sans-serif;font-size:.78rem;letter-spacing:.06em;color:var(--brume)}
.quote .who b{color:var(--or);display:block;font-size:.86rem;letter-spacing:.04em}

/* ============== CONTACT ============== */
.contact{background:var(--noir-2);border-top:1px solid var(--ligne)}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px}
.contact-info h2{font-size:clamp(2rem,4vw,2.9rem);margin:16px 0 18px}
.contact-info p{color:var(--brume);margin-bottom:30px;max-width:380px}
.info-row{display:flex;gap:16px;padding:18px 0;border-top:1px solid var(--ligne);align-items:flex-start}
.info-row .ic{color:var(--or);width:22px;flex:none;margin-top:3px}
.info-row .ic svg{width:22px;height:22px}
.info-row .t{font-family:"Jost",sans-serif;font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--brume)}
.info-row .v{font-size:1.05rem;color:var(--ivoire)}
.info-row a.v:hover{color:var(--or)}

form{background:var(--noir-3);border:1px solid var(--ligne);padding:38px 36px;border-radius:var(--r)}
.field{margin-bottom:20px}
.field label{display:block;font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--brume);margin-bottom:8px}
.field input,.field textarea,.field select{
  width:100%;background:var(--noir);border:1px solid var(--ligne);border-radius:var(--r);
  padding:13px 15px;color:var(--ivoire);font-size:.98rem;transition:border-color .3s;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--or)}
.field textarea{resize:vertical;min-height:120px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.consent{display:flex;gap:11px;align-items:flex-start;margin-bottom:22px}
.consent input{width:18px;height:18px;margin-top:3px;accent-color:var(--or);flex:none}
.consent label{font-family:"Jost",sans-serif;font-size:.8rem;color:var(--brume);letter-spacing:.02em;text-transform:none}
.consent a{color:var(--or);text-decoration:underline}
.form-note{font-family:"Jost",sans-serif;font-size:.8rem;margin-top:16px;letter-spacing:.02em}
.form-note.ok{color:var(--or)}
.form-note.err{color:#E07A5F}

/* ============== FOOTER ============== */
footer{background:#0B0C11;border-top:1px solid var(--ligne);padding:64px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;margin-bottom:46px}
.foot .brand{margin-bottom:18px}
.foot p{color:var(--brume);font-size:.96rem;max-width:320px}
.foot h5{font-family:"Jost",sans-serif;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--or);margin-bottom:18px}
.foot ul{list-style:none}
.foot li{margin-bottom:11px}
.foot a{color:var(--brume);font-size:.92rem;letter-spacing:.04em;transition:color .3s}
.foot a:hover{color:var(--or)}
.foot-bot{border-top:1px solid var(--ligne);padding-top:24px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.foot-bot p{font-family:"Jost",sans-serif;font-size:.78rem;color:var(--brume);letter-spacing:.04em}

/* ============== COOKIE BANNER ============== */
.cookie{
  position:fixed;left:24px;right:24px;bottom:24px;z-index:80;max-width:540px;margin:0 auto;
  background:var(--noir-3);border:1px solid var(--or);border-radius:var(--r);
  padding:26px 28px;box-shadow:0 24px 60px -20px rgba(0,0,0,.7);
  transform:translateY(140%);transition:transform .5s var(--ease);
}
.cookie.show{transform:translateY(0)}
.cookie h4{font-size:1.2rem;color:var(--or);margin-bottom:8px;display:flex;align-items:center;gap:10px}
.cookie p{font-family:"Jost",sans-serif;font-size:.86rem;color:var(--brume);line-height:1.6;margin-bottom:18px}
.cookie p a{color:var(--or);text-decoration:underline}
.cookie-actions{display:flex;gap:12px;flex-wrap:wrap}
.cookie .btn{padding:11px 22px;font-size:.72rem}

/* ============== LEGAL PAGES ============== */
.legal{padding:140px 0 90px;max-width:820px}
.legal .eyebrow{margin-bottom:14px;display:block}
.legal h1{font-size:clamp(2.2rem,5vw,3.4rem);margin-bottom:10px}
.legal .updated{font-family:"Jost",sans-serif;font-size:.8rem;color:var(--brume);letter-spacing:.06em;margin-bottom:40px}
.legal h2{font-size:1.6rem;color:var(--or);margin:38px 0 14px}
.legal h3{font-size:1.2rem;margin:24px 0 10px}
.legal p,.legal li{color:var(--ivoire);font-size:1.05rem;margin-bottom:14px}
.legal ul,.legal ol{margin:0 0 14px 26px}
.legal li{margin-bottom:8px}
.legal a{color:var(--or);text-decoration:underline}
.legal .back{display:inline-flex;align-items:center;gap:8px;font-family:"Jost",sans-serif;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--or);margin-top:36px}
.legal table{width:100%;border-collapse:collapse;margin:14px 0 22px;font-family:"Jost",sans-serif;font-size:.92rem}
.legal th,.legal td{border:1px solid var(--ligne);padding:11px 14px;text-align:left;color:var(--ivoire)}
.legal th{color:var(--or);font-weight:500;letter-spacing:.04em}

/* ============== REVEAL ANIM ============== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ============== RESPONSIVE ============== */
@media(max-width:980px){
  .svc-grid{grid-template-columns:1fr 1fr}
  .svc:nth-child(3n){border-right:1px solid var(--ligne)}
  .svc:nth-child(2n){border-right:none}
  .steps{grid-template-columns:1fr 1fr}
  .price-grid,.quotes{grid-template-columns:1fr}
  .feature{grid-template-columns:1fr;gap:40px}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero-img{display:none}
}
@media(max-width:640px){
  body{font-size:18px}
  nav ul{
    position:fixed;inset:74px 0 auto 0;background:var(--noir-2);flex-direction:column;
    gap:0;border-bottom:1px solid var(--ligne);max-height:0;overflow:hidden;transition:max-height .4s var(--ease);
  }
  nav ul.open{max-height:420px}
  nav li{width:100%;border-bottom:1px solid var(--ligne)}
  nav ul a{display:block;padding:18px 28px}
  .nav-cta{margin:14px 28px;display:inline-block}
  .burger{display:flex}
  .svc-grid{grid-template-columns:1fr}
  .svc{border-right:none!important}
  .steps{grid-template-columns:1fr}
  .two{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-metrics{gap:28px}
  .cookie{left:14px;right:14px;bottom:14px;padding:22px}
}