/* =====================================================================
   DESIGN "KINETIC" - mega showcase d'animations :
   fond aurore anime (CSS), hero 3D (Three.js), texte degrade coulant,
   reveals en cascade (ressort facon Flutter), boutons ripple (Material),
   cartes qui s'inclinent, compteurs animes, barre de progression.
   ===================================================================== */
:root{
  --void:#0E0F13; --void-2:#15171E99; --panel:rgba(27,30,39,.55); --panel-solid:#1B1E27;
  --violet:#FF6A1A; --pink:#FF8A3D; --cyan:#FFC24B; --sky:#FFB347;
  --ink:#F4F6FB; --dim:#C9CEDA; --faint:#7E8598;
  --line:rgba(244,243,255,.10); --line-2:rgba(244,243,255,.18);
  --grad:linear-gradient(90deg,var(--violet),var(--pink),var(--cyan),var(--violet));
  --spring:cubic-bezier(.22,1,.36,1);
  --display:'Sora',system-ui,sans-serif;
  --sans:'Inter',system-ui,-apple-system,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--void);color:var(--dim);font-family:var(--sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
::selection{background:var(--pink);color:#fff}
::-webkit-scrollbar{width:10px}::-webkit-scrollbar-thumb{background:#2a2a45;border-radius:5px}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:var(--cyan)}
.grad-text{background:var(--grad);background-size:300% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:gradShift 6s linear infinite}
@keyframes gradShift{to{background-position:300% 0}}

/* ---- Aurore animee (fond global) ---- */
.k-aurora{position:fixed;inset:0;z-index:-2;overflow:hidden;background:var(--void)}
.k-aurora span{position:absolute;width:55vmax;height:55vmax;border-radius:50%;filter:blur(90px);opacity:.42;mix-blend-mode:screen;will-change:transform}
.k-aurora .a{background:radial-gradient(circle,var(--violet),transparent 60%);top:-15vmax;left:-10vmax;animation:auroraA 20s ease-in-out infinite}
.k-aurora .b{background:radial-gradient(circle,var(--cyan),transparent 60%);bottom:-18vmax;right:-8vmax;animation:auroraB 26s ease-in-out infinite}
.k-aurora .c{background:radial-gradient(circle,var(--pink),transparent 60%);top:30%;left:40%;animation:auroraC 32s ease-in-out infinite}
@keyframes auroraA{50%{transform:translate(25vmax,18vmax) scale(1.2)}}
@keyframes auroraB{50%{transform:translate(-22vmax,-14vmax) scale(1.15)}}
@keyframes auroraC{50%{transform:translate(-18vmax,20vmax) scale(1.25)}}

/* ---- Barre de progression scroll ---- */
.k-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:80;background:var(--grad);background-size:200% 100%;box-shadow:0 0 12px rgba(255,106,26,.7)}

/* ---- Nav ---- */
.k-nav{position:fixed;top:0;left:0;right:0;z-index:60;transition:background .4s,border-color .4s;border-bottom:1px solid transparent;padding:6px 0}
.k-nav.scrolled{background:rgba(10,10,20,.72);backdrop-filter:blur(16px);border-color:var(--line)}
.k-nav-in{display:flex;align-items:center;gap:28px;padding:18px 0;position:relative}
.k-logo{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;font-size:1.25rem;color:var(--ink);letter-spacing:-.01em}
.k-logo .dot{width:12px;height:12px;border-radius:50%;background:var(--grad);background-size:200%;animation:gradShift 4s linear infinite,pulse 2.4s ease-in-out infinite}
@keyframes pulse{50%{transform:scale(1.35);box-shadow:0 0 18px rgba(255,138,61,.7)}}
.k-nav nav{display:flex;gap:26px;margin-left:auto}
.k-nav nav a{font-size:.9rem;color:var(--dim);position:relative;transition:color .25s}
.k-nav nav a::after{content:"";position:absolute;left:0;bottom:-5px;width:0;height:2px;background:var(--grad);background-size:200%;transition:width .3s var(--spring)}
.k-nav nav a:hover{color:var(--ink)}.k-nav nav a:hover::after{width:100%}
.k-nav .cta{font-size:.86rem;font-weight:600;color:#fff;padding:11px 20px;border-radius:999px;background:var(--grad);background-size:200%;animation:gradShift 6s linear infinite;box-shadow:0 8px 26px -8px rgba(255,106,26,.6)}
/* Hamburger (mobile) */
.k-burger{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line-2);border-radius:12px;background:transparent;cursor:pointer;position:relative;flex-shrink:0}
.k-burger span{position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:var(--ink);transition:transform .3s var(--spring),opacity .2s}
.k-burger span:nth-child(1){top:15px}.k-burger span:nth-child(2){top:21px}.k-burger span:nth-child(3){top:27px}
.k-burger.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.k-burger.open span:nth-child(2){opacity:0}
.k-burger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media(max-width:860px){
  .k-burger{display:block}
  .k-nav .cta{display:none}
  .k-nav nav{position:absolute;top:calc(100% + 6px);left:0;right:0;margin-left:0;flex-direction:column;gap:0;
    background:rgba(14,15,19,.97);backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:16px;
    padding:8px 20px 14px;opacity:0;transform:translateY(-10px);pointer-events:none;transition:opacity .28s var(--spring),transform .28s var(--spring);
    box-shadow:0 30px 60px -24px rgba(0,0,0,.8)}
  .k-nav nav.open{opacity:1;transform:none;pointer-events:auto}
  .k-nav nav a{padding:15px 4px;font-size:1.02rem;border-bottom:1px solid var(--line)}
  .k-nav nav a:last-child{border-bottom:0}
  .k-nav nav a::after{display:none}
}

/* ---- Boutons + ripple ---- */
.btn{position:relative;overflow:hidden;display:inline-block;font-size:.94rem;font-weight:600;padding:15px 28px;border-radius:999px;cursor:pointer;transition:transform .3s var(--spring),box-shadow .3s}
.btn-grad{color:#fff;background:var(--grad);background-size:200%;animation:gradShift 6s linear infinite;box-shadow:0 12px 32px -10px rgba(255,106,26,.6)}
.btn-grad:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 20px 44px -12px rgba(255,138,61,.7)}
.btn-ghost{color:var(--ink);border:1px solid var(--line-2)}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--cyan);color:var(--cyan)}
.ripple{position:absolute;border-radius:50%;transform:scale(0);background:rgba(255,255,255,.45);pointer-events:none;animation:ripple .6s ease-out}
@keyframes ripple{to{transform:scale(2.6);opacity:0}}

/* ---- HERO 3D ---- */
.k-hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.k-hero::before{content:"";position:absolute;inset:0;z-index:0;
  background:radial-gradient(52% 62% at 50% 56%,rgba(255,106,26,.20),transparent 62%);animation:heat 5s ease-in-out infinite}
@keyframes heat{50%{opacity:.55}}
.k-embers{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.k-embers i{position:absolute;bottom:-12px;border-radius:50%;
  background:radial-gradient(circle,#FFC24B 0%,rgba(255,106,26,.9) 45%,rgba(255,106,26,0) 70%);
  animation:ember-rise linear infinite}
@keyframes ember-rise{0%{transform:translateY(0) scale(1);opacity:0}
  8%{opacity:1}90%{opacity:.5}100%{transform:translateY(-88vh) scale(.35);opacity:0}}
.k-hero-in{position:relative;z-index:2;width:100%}
.k-hero .eyebrow{margin-bottom:24px;opacity:0;animation:fadeUp .8s var(--spring) .1s forwards}
.k-hero h1{font-family:var(--display);font-weight:800;color:var(--ink);letter-spacing:-.03em;line-height:1.0;font-size:clamp(2.6rem,6.6vw,5.6rem);max-width:15ch}
.k-hero h1 .word{display:inline-block;opacity:0;transform:translateY(40px) rotate(4deg);animation:wordIn .9s var(--spring) forwards}
.k-hero .lede{max-width:46ch;margin-top:26px;color:var(--dim);font-size:1.15rem;opacity:0;animation:fadeUp .8s var(--spring) .7s forwards}
.k-hero .acts{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap;opacity:0;animation:fadeUp .8s var(--spring) .85s forwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes wordIn{to{opacity:1;transform:none}}
.k-cue{position:absolute;left:0;right:0;bottom:26px;z-index:2;text-align:center;font-family:var(--mono);font-size:.66rem;letter-spacing:.26em;text-transform:uppercase;color:var(--faint);animation:bob 2.4s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(7px);opacity:.6}}

/* ---- Marquee ---- */
.k-marquee{border-block:1px solid var(--line);padding:16px 0;overflow:hidden;white-space:nowrap;background:rgba(18,18,32,.5)}
.k-marquee .row{display:inline-block;animation:marq 26s linear infinite}
.k-marquee span{font-family:var(--mono);font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);padding:0 22px}
.k-marquee b{color:var(--pink)}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---- Stats (compteurs) ---- */
.k-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:64px}
.k-stats .s{text-align:center;padding:22px;border:1px solid var(--line);border-radius:16px;background:var(--panel);backdrop-filter:blur(8px)}
.k-stats b{font-family:var(--display);display:block;font-size:2.1rem;font-weight:800;color:var(--ink);line-height:1}
.k-stats span{font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin-top:10px;display:block}
@media(max-width:680px){.k-stats{grid-template-columns:1fr 1fr}}

/* ---- Sections ---- */
.sec{padding:110px 0;position:relative}
.sec-head{max-width:700px;margin:0 auto 66px;text-align:center}
.sec-head .eyebrow{margin-bottom:18px}
.sec-head h2{font-family:var(--display);font-weight:800;color:var(--ink);font-size:clamp(2rem,4.6vw,3.4rem);line-height:1.05;letter-spacing:-.02em}
.sec-head p{margin-top:16px;color:var(--dim)}

/* ---- Reveals en cascade ---- */
.rv{opacity:0;transform:translateY(34px) scale(.97);transition:opacity .8s var(--spring),transform .8s var(--spring);transition-delay:calc(var(--i,0)*80ms)}
.rv.in{opacity:1;transform:none}

/* ---- Cartes (tilt + elevation) ---- */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.card{position:relative;border:1px solid var(--line);border-radius:20px;padding:28px;background:var(--panel);backdrop-filter:blur(10px);
  transform-style:preserve-3d;transition:box-shadow .35s var(--spring),border-color .35s;overflow:hidden}
.card::after{content:"";position:absolute;inset:0;border-radius:20px;background:radial-gradient(400px circle at var(--mx,50%) var(--my,50%),rgba(255,106,26,.18),transparent 45%);opacity:0;transition:opacity .3s}
.card:hover{border-color:var(--line-2);box-shadow:0 30px 60px -30px rgba(0,0,0,.9),0 0 0 1px rgba(255,106,26,.25)}
.card:hover::after{opacity:1}
.card>*{position:relative;z-index:1;transform:translateZ(30px)}
.card.big{grid-column:1 / -1}
.card .tag{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px}
.card h3{font-family:var(--display);font-weight:700;color:var(--ink);font-size:1.4rem;letter-spacing:-.01em}
.card.big h3{font-size:2rem}
.card p{color:var(--dim);margin-top:10px;font-size:.95rem}
.card .stk{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.card .stk span{font-family:var(--mono);font-size:.66rem;color:var(--faint);border:1px solid var(--line);padding:3px 9px;border-radius:20px}
.card .go{margin-top:18px;display:inline-block;font-weight:600;font-size:.92rem;color:var(--cyan)}
.card .go:hover{color:var(--pink)}
.card .lock{margin-top:18px;display:inline-block;font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--faint)}
@media(max-width:760px){.grid{grid-template-columns:1fr}.card>*{transform:none}}

/* ---- Services ---- */
.svcs{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc{border:1px solid var(--line);border-radius:18px;padding:26px;background:var(--panel);backdrop-filter:blur(10px);transition:transform .35s var(--spring),border-color .35s}
.svc:hover{transform:translateY(-6px);border-color:var(--line-2)}
.svc .ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;color:#fff;
  background:var(--grad);background-size:200%;animation:gradShift 6s linear infinite}
.svc .ico svg{width:24px;height:24px;stroke:currentColor}
.svc h3{font-family:var(--display);font-weight:700;color:var(--ink);font-size:1.15rem}
.svc p{color:var(--dim);font-size:.9rem;margin-top:8px}
@media(max-width:820px){.svcs{grid-template-columns:1fr}}

/* ---- Methode (ligne animee) ---- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{padding:6px}
.step .no{font-family:var(--display);font-weight:800;font-size:1.1rem;color:#fff;width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad);background-size:200%;animation:gradShift 6s linear infinite;box-shadow:0 10px 26px -8px rgba(255,106,26,.6)}
.step h3{font-family:var(--display);font-weight:700;color:var(--ink);font-size:1.15rem;margin:16px 0 8px}
.step p{color:var(--dim);font-size:.88rem}
@media(max-width:820px){.steps{grid-template-columns:1fr 1fr;gap:34px 22px}}
@media(max-width:480px){.steps{grid-template-columns:1fr}}

/* ---- Atelier ---- */
.quote{max-width:920px;margin:0 auto;text-align:center;border:1px solid var(--line);border-radius:24px;padding:56px 44px;background:var(--panel);backdrop-filter:blur(12px);position:relative;overflow:hidden}
.quote::before{content:"";position:absolute;inset:0;background:conic-gradient(from 0deg,transparent,rgba(255,106,26,.15),transparent,rgba(255,194,75,.15),transparent);animation:spin 14s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.quote>*{position:relative;z-index:1}
.quote q{quotes:none;font-family:var(--display);font-weight:700;color:var(--ink);font-size:clamp(1.5rem,3.4vw,2.4rem);line-height:1.3;display:block;letter-spacing:-.01em}
.quote .by{margin-top:26px;font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--faint)}
.quote .by b{color:var(--ink)}

/* ---- Contact ---- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.contact-grid h2{font-family:var(--display);font-weight:800;color:var(--ink);font-size:clamp(1.8rem,3.6vw,2.7rem);letter-spacing:-.02em}
.contact-grid .lede{margin-top:18px;color:var(--dim)}
.contact-grid .meta{margin-top:26px;font-family:var(--mono);font-size:.8rem;letter-spacing:.06em;color:var(--dim);line-height:2.1}
.contact-grid .meta b{color:var(--cyan)}
.k-form{border:1px solid var(--line);border-radius:20px;padding:28px;background:var(--panel);backdrop-filter:blur(10px)}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;background:rgba(10,10,20,.6);border:1px solid var(--line-2);border-radius:12px;padding:13px 15px;font-family:var(--sans);font-size:.96rem;color:var(--ink);outline:none;transition:border-color .25s,box-shadow .25s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--violet);box-shadow:0 0 0 3px rgba(255,106,26,.2)}
.field textarea{resize:vertical;min-height:92px}
.field.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field select option{background:var(--panel-solid)}
.hp{position:absolute;left:-9999px}
.note{border-radius:12px;padding:12px 15px;margin-bottom:16px;font-size:.9rem;border:1px solid}
.note.ok{border-color:rgba(255,194,75,.4);color:var(--cyan);background:rgba(255,194,75,.08)}
.note.err{border-color:rgba(255,138,61,.4);color:var(--pink);background:rgba(255,138,61,.08)}
.form-note{margin-top:10px;font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--faint)}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr;gap:32px}.field.two{grid-template-columns:1fr}}

/* ---- Footer ---- */
.k-foot{border-top:1px solid var(--line);padding:48px 0}
.k-foot-in{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.k-foot .lnk{display:flex;gap:24px}
.k-foot .lnk a{color:var(--dim);font-size:.9rem}.k-foot .lnk a:hover{color:var(--cyan)}
.k-foot .fine{width:100%;margin-top:22px;padding-top:18px;border-top:1px solid var(--line);font-family:var(--mono);font-size:.68rem;color:var(--faint);letter-spacing:.06em}

/* ---- Tarifs ---- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.plan{position:relative;border:1px solid var(--line);border-radius:20px;padding:28px;background:var(--panel);backdrop-filter:blur(10px);display:flex;flex-direction:column;transition:transform .35s var(--spring)}
.plan:hover{transform:translateY(-6px)}
.plan.feat{border-color:transparent}
.plan.feat::before{content:"";position:absolute;inset:0;border-radius:20px;padding:1px;background:var(--grad);background-size:200%;animation:gradShift 6s linear infinite;-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude}
.plan .pname{font-family:var(--display);font-weight:700;color:var(--ink);font-size:1.3rem}
.plan .badge{font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:#fff;background:var(--grad);background-size:200%;animation:gradShift 6s linear infinite;padding:4px 11px;border-radius:20px;display:inline-block;margin:12px 0;align-self:flex-start}
.plan .price{font-family:var(--display);font-weight:800;color:var(--ink);font-size:2.4rem;line-height:1;margin:6px 0 2px}
.plan .pnote{font-family:var(--mono);font-size:.66rem;text-transform:uppercase;letter-spacing:.1em;color:var(--faint)}
.plan .pdesc{color:var(--dim);font-size:.9rem;margin:16px 0}
.plan ul{list-style:none;margin:6px 0 22px;flex:1}
.plan li{color:var(--dim);font-size:.88rem;padding:9px 0 9px 24px;position:relative;border-top:1px solid var(--line)}
.plan li::before{content:"";position:absolute;left:2px;top:15px;width:12px;height:7px;border-left:2px solid var(--cyan);border-bottom:2px solid var(--cyan);transform:rotate(-45deg)}
.plan li:last-child{border-bottom:1px solid var(--line)}
.price-foot{margin-top:34px;text-align:center;color:var(--faint);font-size:.86rem;max-width:74ch;margin-inline:auto}
@media(max-width:900px){.plans{grid-template-columns:1fr}}

/* ---- FAQ ---- */
.faqs{max-width:880px;margin:0 auto;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--panel);backdrop-filter:blur(10px)}
.faq{border-bottom:1px solid var(--line)}.faq:last-child{border-bottom:0}
.faq summary{list-style:none;cursor:pointer;padding:22px 24px;color:var(--ink);font-weight:600;position:relative;transition:color .2s}
.faq summary:hover{color:var(--cyan)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:18px;color:var(--cyan);font-size:1.5rem;transition:transform .3s var(--spring)}
.faq[open] summary::after{content:"+";transform:rotate(135deg)}
.faq-a{padding:0 24px 22px;color:var(--dim);font-size:.92rem}
.faq-cta{text-align:center;margin-top:48px}
.faq-cta p{font-family:var(--display);font-weight:700;color:var(--ink);font-size:clamp(1.4rem,3vw,2rem);margin-bottom:24px}

/* ---- Reduced motion : on calme tout ---- */
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.001ms !important}
  .rv,.k-hero .eyebrow,.k-hero .lede,.k-hero .acts,.k-hero h1 .word{opacity:1 !important;transform:none !important}
  .k-embers,.k-hero::before{display:none}
}

/* Titre du bloc atelier : meme police que les titres de section */
.fw-about-extra h3{font-family:var(--display);font-weight:800;letter-spacing:-.02em}