/* ============================================================
   FD WEB — feuille de style unique
   1. Tokens  2. Base  3. Layout  4. Composants  5. Sections
   6. Responsive  7. Animations
   ============================================================ */

/* ---------- 1. Tokens ---------- */
:root{
  --navy-900:#060f1c;
  --navy-800:#0a1626;
  --navy-700:#0f2137;
  --navy-600:#122f4d;
  --navy-500:#1b4470;
  --sky-400:#5b9bc9;
  --sky-300:#8fc0dc;
  --sky-200:#a9cbd4;
  --ice:#e8fcfb;

  --bg:var(--navy-900);
  --bg-elev:rgba(255,255,255,.035);
  --bg-elev-2:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --text:#eef4f8;
  --text-soft:#a8bccc;
  --text-mute:#7b91a5;
  --accent:var(--sky-300);
  --accent-ink:#06131f;
  --glow:rgba(91,155,201,.35);
  --shadow:0 30px 80px -30px rgba(0,0,0,.75);

  --radius-s:10px;
  --radius:16px;
  --radius-l:26px;
  --maxw:1180px;
  --pad:clamp(20px,5vw,64px);

  --sans:"Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;

  --ease:cubic-bezier(.22,.61,.36,1);
}
[data-theme="light"]{
  --bg:#f6f9fb;
  --bg-elev:rgba(18,47,77,.035);
  --bg-elev-2:rgba(18,47,77,.06);
  --line:rgba(18,47,77,.12);
  --line-strong:rgba(18,47,77,.22);
  --text:#0b1c2e;
  --text-soft:#3d5871;
  --text-mute:#657d94;
  --accent:#1b4470;
  --accent-ink:#ffffff;
  --glow:rgba(27,68,112,.18);
  --shadow:0 30px 70px -35px rgba(11,28,46,.45);
}

/* ---------- 2. Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background .4s var(--ease),color .4s var(--ease);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{line-height:1.08;margin:0;font-weight:600;letter-spacing:-.02em}
p{margin:0}
::selection{background:var(--sky-400);color:#04101c}
:focus-visible{outline:2px solid var(--sky-300);outline-offset:3px;border-radius:6px}

.skip{position:absolute;left:-9999px;top:12px;z-index:200;background:var(--accent);color:var(--accent-ink);padding:10px 18px;border-radius:99px}
.skip:focus{left:16px}

/* ---------- 3. Layout ---------- */
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
section{position:relative;padding-block:clamp(72px,10vw,140px)}
section[id],#top{scroll-margin-top:92px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--text-mute);font-weight:600;margin-bottom:22px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,var(--sky-400))}
.h2{font-size:clamp(30px,4.6vw,54px);letter-spacing:-.03em}
.h2 em{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.01em;color:var(--sky-300)}
[data-theme="light"] .h2 em{color:var(--navy-500)}
.lead{color:var(--text-soft);font-size:clamp(16px,1.6vw,19px);max-width:60ch;margin-top:20px}
.sec-head{max-width:760px;margin-bottom:clamp(40px,6vw,72px)}

/* ---------- 4. Composants ---------- */
.btn{
  --b:var(--accent);
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 28px;border-radius:99px;border:1px solid transparent;
  font-weight:600;font-size:15px;letter-spacing:-.01em;cursor:pointer;
  background:var(--b);color:var(--accent-ink);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s,color .3s,border-color .3s;
  box-shadow:0 10px 30px -12px var(--glow);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 18px 40px -14px var(--glow)}
.btn:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--text);border-color:var(--line-strong);box-shadow:none}
.btn--ghost:hover{border-color:var(--sky-400);background:var(--bg-elev)}
.btn svg{width:16px;height:16px;flex:none}

.card{
  position:relative;border:1px solid var(--line);border-radius:var(--radius-l);
  background:var(--bg-elev);padding:clamp(24px,3vw,34px);
  transition:border-color .4s var(--ease),transform .4s var(--ease),background .4s var(--ease);
  overflow:hidden;
}
.card::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:0;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),var(--glow),transparent 65%);
  transition:opacity .5s var(--ease);
}
.card:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.card:hover::after{opacity:1}

.pill{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:99px;
  border:1px solid var(--line);background:var(--bg-elev);
  font-size:13px;color:var(--text-soft);font-weight:500;
}
.dot{width:7px;height:7px;border-radius:50%;background:#4ade80;box-shadow:0 0 0 4px rgba(74,222,128,.15)}

/* ---------- header ---------- */
.hdr{position:fixed;inset:0 0 auto 0;z-index:100;transition:background .4s var(--ease),border-color .4s,backdrop-filter .4s}
.hdr::before{content:"";position:absolute;inset:0;border-bottom:1px solid transparent;transition:inherit;pointer-events:none}
.hdr.is-stuck{background:color-mix(in srgb,var(--bg) 78%,transparent);backdrop-filter:blur(18px) saturate(140%)}
.hdr.is-stuck::before{border-bottom-color:var(--line)}
.hdr-in{display:flex;align-items:center;gap:26px;height:74px;position:relative;z-index:1}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;letter-spacing:-.02em;font-size:18px}
.brand img{width:38px;height:38px;border-radius:50%;box-shadow:0 6px 18px -8px rgba(0,0,0,.8)}
.brand span small{display:block;font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--text-mute);font-weight:600;margin-top:-2px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{position:relative;padding:9px 14px;border-radius:99px;font-size:14.5px;color:var(--text-soft);font-weight:500;transition:color .3s,background .3s}
.nav a:hover,.nav a.is-active{color:var(--text);background:var(--bg-elev)}
.hdr-cta{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:50%;
  border:1px solid var(--line);background:var(--bg-elev);cursor:pointer;
  transition:border-color .3s,background .3s,transform .3s var(--ease);
}
.icon-btn:hover{border-color:var(--sky-400);transform:rotate(-12deg)}
.icon-btn svg{width:18px;height:18px}
.burger{display:none}
[data-theme="dark"] .ico-sun{display:block}
[data-theme="dark"] .ico-moon{display:none}
[data-theme="light"] .ico-sun{display:none}
[data-theme="light"] .ico-moon{display:block}


/* ---------- 5. Sections ---------- */

/* HERO */
.hero{padding-top:clamp(120px,16vw,180px);padding-bottom:clamp(60px,8vw,110px);overflow:hidden}
.aurora{position:absolute;inset:-20% -10% auto -10%;height:120vh;pointer-events:none;z-index:0;filter:blur(70px);opacity:.75}
.aurora i{position:absolute;display:block;border-radius:50%;mix-blend-mode:screen;animation:float 18s var(--ease) infinite alternate}
[data-theme="light"] .aurora{opacity:.5;mix-blend-mode:normal;filter:blur(90px)}
[data-theme="light"] .aurora i{mix-blend-mode:multiply}
.aurora i:nth-child(1){width:46vw;height:46vw;left:52%;top:-6%;background:radial-gradient(circle,rgba(91,155,201,.55),transparent 70%)}
.aurora i:nth-child(2){width:38vw;height:38vw;left:2%;top:8%;background:radial-gradient(circle,rgba(27,68,112,.7),transparent 70%);animation-delay:-6s}
.aurora i:nth-child(3){width:30vw;height:30vw;left:28%;top:38%;background:radial-gradient(circle,rgba(169,203,212,.35),transparent 70%);animation-delay:-11s}
@keyframes float{to{transform:translate3d(4%,6%,0) scale(1.12)}}
.grain{position:absolute;inset:0;z-index:1;pointer-events:none;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='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.28'/%3E%3C/svg%3E");
}
[data-theme="light"] .grain{opacity:.28}
.hero .wrap{position:relative;z-index:2}
.hero h1{
  font-size:clamp(42px,7.6vw,88px);letter-spacing:-.045em;font-weight:600;
  max-width:16ch;margin-top:6px;
}
.hero h1 em{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.02em;
  background:linear-gradient(100deg,var(--sky-300),var(--sky-400) 55%,var(--sky-200));
  -webkit-background-clip:text;background-clip:text;color:transparent;padding-right:.08em}
[data-theme="light"] .hero h1 em{background:linear-gradient(100deg,var(--navy-500),var(--sky-400));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{margin-top:26px;font-size:clamp(16.5px,1.8vw,20px)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px;align-items:center}
.hero-note{font-size:13.5px;color:var(--text-mute)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,3vw,34px);margin-top:clamp(56px,8vw,86px);
  border-top:1px solid var(--line);padding-top:34px}
.stat b{display:block;font-size:clamp(26px,3.4vw,40px);font-weight:600;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stat span{font-size:13.5px;color:var(--text-mute);display:block;margin-top:4px;line-height:1.4}

/* MARQUEE */
.marquee{border-block:1px solid var(--line);padding-block:20px;overflow:hidden;background:var(--bg-elev)}
.marquee-track{display:flex;gap:56px;width:max-content;animation:slide 38s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span{font-size:14px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-mute);font-weight:600;display:flex;align-items:center;gap:56px;white-space:nowrap}
.marquee-track span::after{content:"";width:5px;height:5px;border-radius:50%;background:var(--sky-400);opacity:.6}
@keyframes slide{to{transform:translateX(-50%)}}

/* SERVICES */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,22px)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(16px,2vw,22px)}
.svc{display:flex;flex-direction:column;gap:14px;min-height:100%}
.svc .num{font-family:var(--serif);font-size:15px;color:var(--sky-400);letter-spacing:.1em}
.svc h3{font-size:21px;letter-spacing:-.02em}
.svc p{color:var(--text-soft);font-size:15.5px}
.svc ul{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
.svc li{font-size:14.5px;color:var(--text-mute);display:flex;gap:10px;align-items:flex-start}
.svc li::before{content:"";flex:none;width:16px;height:16px;margin-top:4px;border-radius:50%;
  background:var(--bg-elev-2);border:1px solid var(--line-strong);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235b9bc9' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size:11px;background-position:center;background-repeat:no-repeat}
.svc .price{margin-top:auto;padding-top:18px;font-size:13.5px;color:var(--text-mute);border-top:1px solid var(--line)}
.svc .price b{color:var(--text);font-weight:600}

/* PROCESS */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(18px,2.4vw,28px);counter-reset:s}
.step{position:relative;padding-top:30px;border-top:1px solid var(--line)}
.step::before{
  counter-increment:s;content:"0" counter(s);
  position:absolute;top:-1px;left:0;padding-right:12px;background:var(--bg);
  font-family:var(--serif);font-size:14px;color:var(--sky-400);transform:translateY(-50%);
}
.step h3{font-size:18.5px;margin-bottom:8px}
.step p{color:var(--text-soft);font-size:14.8px}
.step .dur{display:block;margin-top:12px;font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-mute)}

/* WORK */
.work-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:clamp(16px,2vw,22px)}
.work{grid-column:span 3;padding:0;display:flex;flex-direction:column}
.work:first-child{grid-column:span 6}
.thumb{position:relative;aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);
  background:linear-gradient(135deg,var(--navy-600),var(--navy-800) 60%,#071626)}
.work:first-child .thumb{aspect-ratio:21/8}
.thumb::after{content:"";position:absolute;inset:0;opacity:.5;
  background:radial-gradient(600px circle at 20% 0%,rgba(143,192,220,.35),transparent 60%)}
.thumb .mock{position:absolute;inset:12% 10% -14% 10%;border-radius:14px 14px 0 0;border:1px solid rgba(255,255,255,.16);
  background:linear-gradient(180deg,rgba(255,255,255,.14),rgba(255,255,255,.03));
  backdrop-filter:blur(4px);box-shadow:0 30px 60px -25px rgba(0,0,0,.8);
  transition:transform .6s var(--ease)}
.work:hover .thumb .mock{transform:translateY(-8px) scale(1.02)}
.thumb .mock i{position:absolute;display:block;border-radius:4px;background:rgba(255,255,255,.3)}
.thumb .mock i:nth-child(1){left:6%;top:12%;width:26%;height:9px}
.thumb .mock i:nth-child(2){left:6%;top:30%;width:52%;height:16px;background:rgba(255,255,255,.55)}
.thumb .mock i:nth-child(3){left:6%;top:50%;width:38%;height:9px}
.thumb .mock i:nth-child(4){left:6%;top:66%;width:18%;height:22px;border-radius:99px;background:var(--sky-300)}
.thumb .mock i:nth-child(5){right:6%;top:22%;width:26%;height:52%;border-radius:10px;background:rgba(143,192,220,.28)}
.work-body{padding:clamp(20px,2.6vw,30px);display:flex;flex-direction:column;gap:10px;flex:1}
.work-body h3{font-size:20px}
.work-body p{color:var(--text-soft);font-size:15px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.tag{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--text-mute);
  border:1px solid var(--line);border-radius:99px;padding:5px 11px}
.kpi{display:flex;gap:22px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.kpi div b{display:block;font-size:20px;font-weight:600;letter-spacing:-.02em;color:var(--sky-300)}
[data-theme="light"] .kpi div b{color:var(--navy-500)}
.kpi div span{font-size:12.5px;color:var(--text-mute)}

/* PRICING */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,22px);align-items:stretch}
.plan{display:flex;flex-direction:column;gap:16px}
.plan.is-featured{border-color:var(--sky-400);background:linear-gradient(180deg,rgba(91,155,201,.12),var(--bg-elev) 45%)}
.plan .badge{position:absolute;top:18px;right:18px;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;
  background:var(--accent);color:var(--accent-ink);padding:5px 11px;border-radius:99px;font-weight:700}
.plan h3{font-size:19px}
.plan .amount{font-size:clamp(32px,4vw,44px);font-weight:600;letter-spacing:-.03em;line-height:1}
.plan .amount small{font-size:14px;font-weight:500;color:var(--text-mute);letter-spacing:0}
.plan p.desc{color:var(--text-soft);font-size:15px}
.plan ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;flex:1}
.plan li{font-size:14.8px;color:var(--text-soft);display:flex;gap:10px;align-items:flex-start}
.plan li::before{content:"";flex:none;width:16px;height:16px;margin-top:4px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235b9bc9' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size:contain;background-repeat:no-repeat}
.plan .btn{width:100%}
.price-note{margin-top:26px;font-size:14px;color:var(--text-mute);text-align:center}

/* TESTIMONIALS */
.quote{display:flex;flex-direction:column;gap:18px}
.quote blockquote{margin:0;font-size:17px;line-height:1.6;color:var(--text)}
.quote blockquote::before{content:"“";font-family:var(--serif);font-size:44px;line-height:0;color:var(--sky-400);display:block;margin-bottom:14px}
.who{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{width:40px;height:40px;border-radius:50%;flex:none;display:grid;place-items:center;font-weight:700;font-size:14px;
  background:linear-gradient(140deg,var(--sky-400),var(--navy-500));color:#fff}
.who b{display:block;font-size:14.5px;font-weight:600}
.who span{font-size:13px;color:var(--text-mute)}

/* FAQ */
.faq{display:flex;flex-direction:column;border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;padding:24px 48px 24px 0;position:relative;font-size:17.5px;font-weight:500;
  transition:color .3s}
summary::-webkit-details-marker{display:none}
summary:hover{color:var(--sky-300)}
[data-theme="light"] summary:hover{color:var(--navy-500)}
summary::after{content:"";position:absolute;right:6px;top:50%;width:14px;height:14px;transform:translateY(-50%);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238fc0dc' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  background-size:contain;background-repeat:no-repeat;transition:transform .35s var(--ease)}
details[open] summary::after{transform:translateY(-50%) rotate(135deg)}
details p{padding:0 40px 26px 0;color:var(--text-soft);font-size:15.5px;max-width:75ch}

/* CONTACT */
.contact{display:grid;grid-template-columns:1fr .9fr;gap:clamp(24px,4vw,54px);align-items:start}
form{display:grid;gap:16px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:grid;gap:8px;font-size:13.5px;font-weight:600;letter-spacing:.02em;color:var(--text-soft)}
input,select,textarea{
  font:inherit;font-size:15.5px;color:var(--text);background:var(--bg-elev);
  border:1px solid var(--line);border-radius:var(--radius-s);padding:13px 15px;width:100%;
  transition:border-color .3s,background .3s,box-shadow .3s;
}
textarea{min-height:132px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--sky-400);background:var(--bg-elev-2);box-shadow:0 0 0 4px var(--glow)}
input::placeholder,textarea::placeholder{color:var(--text-mute)}
select{appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237b91a5' stroke-width='2.4' stroke-linecap='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:16px;padding-right:42px}
[data-theme="light"] select option{color:#0b1c2e}
.err{font-size:12.5px;color:#ff9a9a;min-height:0;font-weight:500}
[data-theme="light"] .err{color:#c2352f}
.consent{display:flex;gap:11px;align-items:flex-start;font-size:13.5px;color:var(--text-mute);font-weight:400;letter-spacing:0}
.consent input{width:17px;height:17px;flex:none;margin-top:2px;accent-color:var(--sky-400);padding:0}
.form-ok{display:none;padding:16px 18px;border-radius:var(--radius-s);border:1px solid rgba(74,222,128,.4);
  background:rgba(74,222,128,.10);font-size:15px}
.form-ok.show{display:block}
.aside-card{display:flex;flex-direction:column;gap:18px}
.contact-line{display:flex;gap:13px;align-items:flex-start;font-size:15px}
.contact-line svg{width:18px;height:18px;flex:none;margin-top:3px;stroke:var(--sky-400)}
.contact-line b{display:block;font-size:13px;color:var(--text-mute);font-weight:600;letter-spacing:.04em;text-transform:uppercase}
.contact-line a:hover{color:var(--sky-300);text-decoration:underline;text-underline-offset:3px}

/* CTA BAND */
.band{border-radius:var(--radius-l);border:1px solid var(--line-strong);padding:clamp(34px,5vw,64px);
  background:linear-gradient(135deg,rgba(91,155,201,.16),transparent 55%),var(--bg-elev);text-align:center;position:relative;overflow:hidden}
.band h2{font-size:clamp(28px,4.4vw,46px);letter-spacing:-.03em;max-width:18ch;margin-inline:auto}
.band em{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--sky-300)}
[data-theme="light"] .band em{color:var(--navy-500)}
.band .btn{margin-top:30px}

/* FOOTER */
footer{border-top:1px solid var(--line);padding-block:56px 34px;font-size:14.5px;color:var(--text-mute)}
.foot-top{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:36px;margin-bottom:36px}
.seo-tags{font-size:12.5px;line-height:1.9;color:var(--text-mute);opacity:.72;border-top:1px solid var(--line);
  padding-top:22px;margin-bottom:26px;max-width:100%}
footer h4{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--text);margin-bottom:14px;font-weight:600}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
footer a:hover{color:var(--text)}
.foot-bot{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:24px;font-size:13.5px}

/* ---------- 6. Responsive ---------- */
@media (max-width:980px){
  .grid-3,.steps,.price-grid{grid-template-columns:repeat(2,1fr)}
  .work{grid-column:span 6}
  .contact{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr 1fr}
  .nav{display:none}
  .burger{display:grid}
}
@media (max-width:680px){
  body{font-size:16px}
  .grid-3,.grid-2,.steps,.price-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr);gap:22px}
  .row{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr;gap:28px}
  .hero h1{max-width:none}
  .brand span small{display:none}
}

/* mobile menu */
.mmenu{position:fixed;inset:0;z-index:99;background:color-mix(in srgb,var(--bg) 96%,transparent);
  backdrop-filter:blur(20px);display:flex;flex-direction:column;justify-content:center;gap:6px;padding:var(--pad);
  transform:translateY(-100%);transition:transform .5s var(--ease);visibility:hidden}
.mmenu.open{transform:none;visibility:visible}
.mmenu a{font-size:clamp(26px,7vw,40px);letter-spacing:-.03em;font-weight:600;padding:10px 0;border-bottom:1px solid var(--line)}
.mmenu .btn{margin-top:26px;align-self:flex-start}

/* ---------- 7. Animations ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}


/* ---------- 8. Pages internes ---------- */
.page-hero{padding-top:clamp(112px,14vw,164px);padding-bottom:clamp(40px,6vw,72px);overflow:hidden}
.page-hero h1{font-size:clamp(32px,5.4vw,62px);letter-spacing:-.04em;max-width:19ch;margin-top:4px}
.page-hero h1 em{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--sky-300)}
[data-theme="light"] .page-hero h1 em{color:var(--navy-500)}
.page-hero .wrap{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--text-mute);margin-bottom:20px}
.crumb a:hover{color:var(--sky-300);text-decoration:underline;text-underline-offset:3px}
.crumb span[aria-hidden]{opacity:.5}
.cta-duo{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:32px}

/* sous-menu Services */
.nav .has-sub{position:relative}
.nav .has-sub>a::after{content:"";display:inline-block;width:9px;height:9px;margin-left:7px;vertical-align:1px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237b91a5' stroke-width='3' stroke-linecap='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-size:contain;background-repeat:no-repeat;transition:transform .3s var(--ease)}
.nav .has-sub:hover>a::after,.nav .has-sub:focus-within>a::after{transform:rotate(180deg)}
.sub{position:absolute;top:calc(100% + 10px);left:-8px;min-width:290px;padding:8px;border-radius:18px;
  border:1px solid var(--line);background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(20px);
  box-shadow:var(--shadow);display:grid;gap:2px;opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s}
.has-sub:hover .sub,.has-sub:focus-within .sub{opacity:1;visibility:visible;transform:none}
.sub a{display:block;padding:11px 14px;border-radius:12px;font-size:14.5px;color:var(--text-soft);line-height:1.35}
.sub a small{display:block;font-size:12.5px;color:var(--text-mute);margin-top:2px}
.sub a:hover{background:var(--bg-elev-2);color:var(--text)}

/* listes de contenu */
.feat{display:flex;flex-direction:column;gap:10px}
.feat h3{font-size:18px}
.feat p{color:var(--text-soft);font-size:15px}
.ico{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;flex:none;
  border:1px solid var(--line);background:var(--bg-elev-2);margin-bottom:4px}
.ico svg{width:19px;height:19px;stroke:var(--sky-400);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.checks{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.checks li{display:flex;gap:12px;align-items:flex-start;color:var(--text-soft);font-size:15.5px}
.checks li::before{content:"";flex:none;width:18px;height:18px;margin-top:4px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235b9bc9' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size:contain;background-repeat:no-repeat}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:start}
.price-box{display:flex;flex-wrap:wrap;align-items:center;gap:20px;justify-content:space-between}
.price-box .amount{font-size:clamp(28px,3.6vw,40px);font-weight:600;letter-spacing:-.03em;line-height:1.1}
.price-box .amount small{display:block;font-size:13.5px;font-weight:500;color:var(--text-mute);margin-top:6px}
.next{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.next a{display:block;padding:20px;border-radius:var(--radius);border:1px solid var(--line);background:var(--bg-elev);
  font-size:15px;font-weight:500;transition:border-color .3s,transform .3s var(--ease),background .3s}
.next a:hover{border-color:var(--sky-400);transform:translateY(-3px);background:var(--bg-elev-2)}
.next a span{display:block;font-size:12.5px;color:var(--text-mute);margin-top:5px;font-weight:400}

/* pages légales */
.legal{max-width:78ch}
.legal h2{font-size:clamp(21px,2.6vw,27px);letter-spacing:-.02em;margin:44px 0 14px}
.legal h2:first-of-type{margin-top:0}
.legal h3{font-size:17.5px;margin:26px 0 8px}
.legal p,.legal li{color:var(--text-soft);font-size:16px}
.legal p{margin-bottom:14px}
.legal ul{padding-left:22px;margin:0 0 16px}
.legal li{margin-bottom:8px}
.legal a{color:var(--sky-300);text-decoration:underline;text-underline-offset:3px}
[data-theme="light"] .legal a{color:var(--navy-500)}
.legal table{width:100%;border-collapse:collapse;margin:8px 0 22px;font-size:14.5px}
.legal th,.legal td{text-align:left;padding:12px 14px;border:1px solid var(--line);vertical-align:top;color:var(--text-soft)}
.legal th{color:var(--text);font-weight:600;background:var(--bg-elev);font-size:13.5px;letter-spacing:.02em}
.todo{background:#ffe066;color:#3d2f00;padding:1px 7px;border-radius:5px;font-weight:600;font-size:.94em;
  box-decoration-break:clone;-webkit-box-decoration-break:clone}
.notice{border:1px solid var(--line-strong);border-left:3px solid var(--sky-400);border-radius:var(--radius-s);
  padding:18px 20px;background:var(--bg-elev);margin-bottom:28px;font-size:15px;color:var(--text-soft)}
.updated{font-size:13.5px;color:var(--text-mute);margin-top:36px;padding-top:20px;border-top:1px solid var(--line)}

@media (max-width:980px){.next{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr}}
@media (max-width:680px){.next{grid-template-columns:1fr}.legal table,.legal th,.legal td{display:block;width:100%}
  .legal th{border-bottom:0}.legal td{border-top:0}}
@media (max-width:560px){.hide-sm{display:none}}