/* Motion-Crafters — blanc doux, bleu nuit, orange. Répartition visée : 65 / 25 / 10 */
:root{
  --bg:#F5F5F5;
  --white:#FFFFFF;
  --navy:#01155D;
  --ink-2:#4A5273;
  --orange:#FF6B1F;
  --line:rgba(1,21,93,.16);
  --line-w:rgba(255,255,255,.22);
  --pad:clamp(1.1rem,3vw,2.5rem);
  --f-display:"DM Sans","Helvetica Neue",Arial,sans-serif;
  --f-text:"Hind","DM Sans",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--navy);font-family:var(--f-text);font-size:1.05rem;line-height:1.55;overflow-x:hidden}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
.skip{position:absolute;left:-999px;top:0;background:var(--orange);color:var(--navy);padding:.6rem 1rem;z-index:100}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px}
h1,h2,h3{font-family:var(--f-display)}

/* En-tête */
.site-header{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem var(--pad);background:rgba(245,245,245,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.brand{font-family:var(--f-display);font-weight:800;letter-spacing:.03em;font-size:.95rem}
.brand span{margin:0 .1em;color:var(--orange)}
.nav{display:flex;gap:clamp(1rem,2.5vw,2.2rem);font-family:var(--f-display);font-size:.88rem;font-weight:500}
.nav a{position:relative}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.nav a:hover::after{transform:scaleX(1)}
.header-right{display:flex;align-items:center;gap:.9rem}
.lang{font-family:var(--f-display);font-size:.8rem;font-weight:600;border:1.5px solid var(--navy);padding:.22rem .6rem;border-radius:99px;transition:background .25s,color .25s}
.lang:hover{background:var(--navy);color:var(--white)}

/* Boutons */
.btn{display:inline-flex;align-items:center;gap:.6rem;background:var(--orange);color:var(--navy);font-family:var(--f-display);font-weight:700;font-size:.98rem;padding:.95rem 1.6rem;border:2px solid var(--orange);border-radius:99px;cursor:pointer;transition:transform .25s,background .25s,color .25s,border-color .25s}
.btn:hover{background:var(--navy);border-color:var(--navy);color:var(--white);transform:translateY(-3px)}
.btn--ghost{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn--ghost:hover{background:var(--navy);color:var(--white)}
.btn--small{padding:.45rem 1rem;font-size:.84rem}

/* Hero */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;padding:7rem var(--pad) 2.5rem;overflow:hidden;
  --cx:72%;--cy:46%;--S:clamp(320px,44vw,660px)}
.orbs{position:absolute;inset:0;pointer-events:none;z-index:0}
.orb{position:absolute;left:var(--cx);top:var(--cy);border-radius:50%;will-change:transform}
.orb::before{content:"";position:absolute;border-radius:50%;z-index:-1}
.orb--blue{width:var(--S);height:var(--S);
  background:radial-gradient(circle at 24% 52%,var(--navy) 0 30%,rgba(1,21,93,.78) 48%,rgba(1,21,93,.18) 74%,rgba(1,21,93,0) 90%);
  transform:translate(calc(-50% + var(--bx,0px)),calc(-50% + var(--by,0px)))}
.orb--blue::before{inset:-26%;background:radial-gradient(circle,rgba(1,21,93,.30) 0,rgba(1,21,93,.12) 45%,rgba(1,21,93,0) 70%);filter:blur(34px)}
.orb--orange{width:calc(var(--S) * .2);height:calc(var(--S) * .2);background:var(--orange);
  transform:translate(calc(-50% + var(--ox,0px)),calc(-50% + var(--oy,0px)))}
.orb--orange::before{inset:-70%;background:radial-gradient(circle,rgba(255,107,31,.55) 0,rgba(255,107,31,.2) 42%,rgba(255,107,31,0) 70%);filter:blur(22px)}
.hero>*:not(.orbs){position:relative;z-index:1}
.eyebrow{font-family:var(--f-display);font-size:.82rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);margin-bottom:1.3rem}
.hero__title{font-weight:700;font-size:clamp(2.7rem,7.4vw,7rem);line-height:.98;letter-spacing:-.035em;max-width:62%}
.hero__title .line{display:block;overflow:hidden;padding-bottom:.08em}
.hero__title .w{display:inline-block;overflow:hidden;vertical-align:top;margin-right:.22em;padding-bottom:.08em}
.hero__title .w>span{display:inline-block;transform:translateY(110%);animation:rise 1s cubic-bezier(.2,.8,.2,1) forwards;animation-delay:calc(var(--i) * .11s + .1s)}
.accent{background:linear-gradient(transparent 64%,var(--orange) 64% 90%,transparent 90%);padding:0 .06em}
@keyframes rise{to{transform:none}}
.hero__bottom{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;flex-wrap:wrap;margin-top:2.4rem;padding-top:1.5rem;border-top:1px solid var(--line)}
.hero__sub{max-width:36rem;font-size:clamp(1.02rem,1.4vw,1.2rem);color:var(--ink-2)}
.hero__actions{display:flex;gap:.8rem;flex-wrap:wrap}

/* Bandeau */
.marquee{overflow:hidden;background:var(--navy);color:var(--white);padding:.95rem 0}
.marquee__track{display:flex;width:max-content;gap:1.6rem;animation:scroll 30s linear infinite;font-family:var(--f-display);font-weight:700;font-size:clamp(1.1rem,2.6vw,1.9rem);text-transform:uppercase;letter-spacing:-.01em;white-space:nowrap}
.marquee__track i{font-style:normal;color:var(--orange)}
@keyframes scroll{to{transform:translateX(-50%)}}

/* Sections */
.section{padding:clamp(4rem,10vw,9rem) var(--pad)}
.section--dark{background:var(--navy);color:var(--white)}
.section__head{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;flex-wrap:wrap;margin-bottom:clamp(2rem,5vw,4rem)}
.h2{font-weight:700;font-size:clamp(2.1rem,6vw,5.4rem);line-height:.98;letter-spacing:-.035em}
.h2--small{font-size:clamp(1.6rem,4vw,3rem)}
.h2--xl{font-size:clamp(2.5rem,8vw,7.4rem);margin-bottom:1.5rem}
.lead{max-width:34rem;font-size:clamp(1.02rem,1.5vw,1.25rem);color:var(--ink-2)}
.section--dark .lead{color:rgba(255,255,255,.8)}
.note{font-family:var(--f-display);font-size:.85rem;color:var(--ink-2)}

/* Portfolio */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(1rem,2vw,1.8rem)}
.card{display:block}
.card__media{position:relative;aspect-ratio:16/9;background:var(--navy) center/cover no-repeat;border-radius:1.1rem;overflow:hidden;transition:transform .4s}
.card__media::after{content:"";position:absolute;inset:0;background:var(--orange);transform:translateY(100%);transition:transform .45s cubic-bezier(.2,.8,.2,1)}
.card:hover .card__media::after{transform:none}
.card__num{position:absolute;left:1rem;top:.6rem;z-index:2;font-family:var(--f-display);font-weight:800;font-size:clamp(2rem,5vw,4rem);color:var(--white);text-shadow:0 2px 14px rgba(1,21,93,.55);transition:color .3s,text-shadow .3s}
.card__play{position:absolute;right:1rem;bottom:1rem;z-index:2;font-family:var(--f-display);font-weight:700;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:var(--white);text-shadow:0 1px 10px rgba(1,21,93,.6);transition:color .3s,text-shadow .3s}
.card:hover .card__num,.card:hover .card__play{color:var(--navy);text-shadow:none}
.card__meta{display:grid;grid-template-columns:1fr auto;gap:.15rem 1rem;padding-top:.9rem}
.card__meta h3{font-size:1.2rem;font-weight:700;letter-spacing:-.01em}
.card__meta p{grid-column:1;color:var(--ink-2);font-size:.95rem}
.tag{grid-row:1/3;grid-column:2;align-self:start;font-family:var(--f-display);font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;border:1.5px solid var(--line);padding:.2rem .65rem;border-radius:99px}

/* Services (bande bleue) et process */
.services{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line-w)}
.services li{padding:2rem 1.5rem 2.5rem 0;border-bottom:1px solid var(--line-w)}
.services li:nth-child(odd){border-right:1px solid var(--line-w);padding-right:2rem}
.services li:nth-child(even){padding-left:2rem}
.idx{display:block;font-family:var(--f-display);font-weight:600;font-size:.85rem;margin-bottom:1rem;color:var(--orange)}
.services h3{font-weight:700;font-size:clamp(1.5rem,3vw,2.4rem);line-height:1.02;letter-spacing:-.025em;margin-bottom:.8rem}
.services p{max-width:28rem;color:rgba(255,255,255,.8)}
.steps{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line)}
.steps li{padding:1.5rem 1rem 2rem 1rem;border-right:1px solid var(--line)}
.steps li:first-child{padding-left:0}
.steps li:last-child{border-right:0}
.steps .idx{color:var(--ink-2)}
.steps h3{font-weight:700;font-size:clamp(1.1rem,1.8vw,1.6rem);letter-spacing:-.02em;margin-bottom:.5rem}
.steps p{color:var(--ink-2);font-size:.98rem}
.steps li:hover h3{text-decoration:underline;text-decoration-color:var(--orange);text-decoration-thickness:3px;text-underline-offset:5px}
.section--about{border-block:1px solid var(--line)}

/* Contact */
.contact .lead{margin-bottom:2rem}
.mail{margin-top:2rem;font-family:var(--f-display);font-weight:500}
.mail a{border-bottom:2px solid var(--orange)}
.alt{margin-top:3rem;display:flex;flex-direction:column;gap:1rem}

/* Pied de page */
.site-footer{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding:1.5rem var(--pad);border-top:1px solid var(--line);font-family:var(--f-display);font-size:.85rem;color:var(--ink-2)}

.socials{display:flex;gap:1.2rem}
.socials a{border-bottom:2px solid var(--orange)}
.socials a:hover{color:var(--navy)}

/* Apparition au défilement */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s,transform .8s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}

/* Formulaire de devis */
.quote{position:relative;max-width:52rem;margin-top:2.5rem;background:var(--white);border:1px solid var(--line);border-radius:1.4rem;padding:clamp(1.2rem,3vw,2.2rem)}
.progress{display:grid;grid-template-columns:repeat(4,1fr);gap:.4rem;margin-bottom:1.6rem}
.progress i{height:5px;border-radius:9px;background:var(--line);transition:background .3s}
.progress i.on{background:var(--navy)}
.step[hidden],.done[hidden],.form-error[hidden]{display:none}
.step__count{font-family:var(--f-display);font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-2);margin-bottom:.4rem}
.step__title{font-weight:700;font-size:clamp(1.5rem,3vw,2.2rem);line-height:1.02;letter-spacing:-.025em;margin-bottom:1.4rem}
.q{border:0;margin-bottom:1.6rem}
.q legend{font-family:var(--f-display);font-weight:700;margin-bottom:.8rem;padding:0}
.chips{display:flex;flex-wrap:wrap;gap:.6rem}
.chip{position:relative;cursor:pointer}
.chip input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}
.chip span{display:inline-block;padding:.7rem 1.1rem;border:1.5px solid var(--line);border-radius:99px;font-size:.98rem;background:var(--bg);transition:background .2s,color .2s,border-color .2s,transform .2s}
.chip:hover span{border-color:var(--navy);transform:translateY(-2px)}
.chip input:checked+span{background:var(--navy);border-color:var(--navy);color:var(--white);font-weight:600}
.chip input:focus-visible+span{outline:2px solid var(--orange);outline-offset:3px}
.field{display:block;margin-bottom:1.2rem}
.field>span,.field>label>span{display:block;font-family:var(--f-display);font-weight:700;margin-bottom:.45rem}
.field em{font-style:normal;font-weight:400;color:var(--ink-2);font-size:.88rem}
.field input[type=text],.field input[type=email],.field input[type=date],.field textarea{width:100%;background:var(--bg);color:var(--navy);border:1.5px solid var(--line);border-radius:.8rem;padding:.8rem 1rem;font:inherit}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--navy);background:var(--white)}
.date-row{display:flex;gap:.8rem;flex-wrap:wrap;align-items:center}
.date-row input[type=date]{width:auto;min-width:12rem}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.privacy{font-size:.85rem;color:var(--ink-2);margin:.2rem 0 1.2rem}
.step__actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.4rem}
.btn[disabled]{opacity:.35;cursor:not-allowed;transform:none}
.done p{margin-bottom:1.4rem;max-width:34rem;color:var(--ink-2)}
.form-error{margin-top:1rem;color:#C2330A}
.form-error a{border-bottom:1px solid currentColor}

/* Pages légales */
.legal{max-width:46rem;padding:8rem var(--pad) 5rem;margin:0 auto}
.legal h1{margin-bottom:2.5rem}
.legal section{margin-bottom:2rem}
.legal h2{font-weight:700;font-size:1.15rem;margin-bottom:.5rem}
.legal p{margin-bottom:.8rem;color:var(--ink-2)}
.legal a{border-bottom:2px solid var(--orange)}

/* Adaptation mobile */
@media (max-width:900px){
  .nav{display:none}
  .hero{--cx:64%;--cy:23%;--S:70vw}
  .hero__title{max-width:100%;font-size:clamp(2.5rem,12.5vw,4.4rem)}
  .grid,.services{grid-template-columns:1fr}
  .services li:nth-child(odd){border-right:0;padding-right:0}
  .services li:nth-child(even){padding-left:0}
  .steps{grid-template-columns:1fr}
  .steps li{border-right:0;border-bottom:1px solid var(--line);padding-left:0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .hero__title .w>span{transform:none}
  .reveal{opacity:1;transform:none}
}