/* ============================================================
   ML Tech Info — style.css
   Palette "bleu tech" : navy profond + bleu accent + blanc
   ============================================================ */
:root{
  --navy-900:#081527;
  --navy-800:#0b1f3a;
  --navy-700:#102a4c;
  --blue-600:#2563eb;
  --blue-500:#3b82f6;
  --blue-400:#60a5fa;
  --ink:#0f1b2d;
  --slate:#5b6b82;
  --line:#e3e9f2;
  --bg:#f6f9fd;
  --white:#ffffff;
  --radius:16px;
  --shadow-sm:0 2px 10px rgba(11,31,58,.06);
  --shadow:0 18px 40px -18px rgba(11,31,58,.35);
  --maxw:1140px;
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  --display:'Sora','Inter',sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--blue-600);text-decoration:none}
a:hover{color:var(--blue-500)}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.grad{background:linear-gradient(90deg,#60a5fa,#3b82f6 60%,#2563eb);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  font-weight:600;font-size:.98rem;
  padding:.8rem 1.35rem;border-radius:12px;border:1px solid transparent;
  cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn svg{width:18px;height:18px;fill:currentColor}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--blue-600);color:#fff;box-shadow:0 10px 24px -10px rgba(37,99,235,.7)}
.btn-primary:hover{background:var(--blue-500);color:#fff;box-shadow:0 14px 30px -12px rgba(37,99,235,.8)}
.btn-light{background:#fff;color:var(--navy-800);box-shadow:var(--shadow)}
.btn-light:hover{background:#eef4ff;color:var(--navy-800)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.25)}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff}
.btn-block{width:100%;justify-content:center}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(8,21,39,.92);backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:68px}
.brand{display:flex;align-items:center;gap:.65rem;color:#fff}
.brand-badge{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:12px;
  background:linear-gradient(135deg,#1d4ed8,#2563eb 55%,#3b82f6);
  box-shadow:0 6px 16px -6px rgba(37,99,235,.7), inset 0 0 0 1px rgba(255,255,255,.12);}
.brand-badge img{width:34px;height:34px;display:block}
.brand-name{font-family:var(--display);font-size:1.12rem;font-weight:600;letter-spacing:.2px}
.brand-name b{font-weight:800;color:var(--blue-400)}
.nav{display:flex;gap:1.5rem}
.nav a{color:#cdd9ec;font-weight:500;font-size:.95rem;position:relative}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;background:var(--blue-400);transition:right .25s ease}
.nav a:hover{color:#fff}
.nav a:hover::after{right:0}
.header-actions{display:flex;align-items:center;gap:.75rem}
.btn-call{padding:.6rem 1rem;font-size:.9rem}
.btn-call .btn-label{font-variant-numeric:tabular-nums}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:#fff;margin:4px 0;border-radius:2px;transition:.25s}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(59,130,246,.35), transparent 60%),
    radial-gradient(800px 400px at 0% 120%, rgba(37,99,235,.28), transparent 55%),
    linear-gradient(160deg,#081527 0%,#0b1f3a 55%,#102a4c 100%);
  color:#fff;
  padding:74px 0 84px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(circle at 70% 30%,#000,transparent 75%);
  opacity:.6;pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:2.6rem;align-items:center}
.pill{
  display:inline-flex;align-items:center;gap:.5rem;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  padding:.42rem .85rem;border-radius:999px;font-size:.85rem;color:#d7e3f7;font-weight:500;
}
.pill .dot{width:8px;height:8px;border-radius:50%;background:#34d399;box-shadow:0 0 0 4px rgba(52,211,153,.2)}
.hero-copy h1{
  font-family:var(--display);font-weight:800;
  font-size:clamp(2.1rem,4.6vw,3.4rem);line-height:1.08;margin:1.1rem 0 .9rem;letter-spacing:-.5px;
}
.lead{font-size:1.08rem;color:#c2d2ea;max-width:34rem;margin:0 0 1.6rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-bottom:1.5rem}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:1.1rem;padding:0;margin:0;color:#a9c0e2;font-size:.92rem;font-weight:500}

.hero-card{
  position:relative;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:20px;padding:1.6rem 1.5rem;backdrop-filter:blur(6px);
}
.card-glow{position:absolute;inset:-1px;border-radius:20px;pointer-events:none;
  background:radial-gradient(400px 200px at 90% 0%,rgba(96,165,250,.35),transparent 60%)}
.card-title{font-family:var(--display);font-size:1.05rem;font-weight:700;margin:0 0 1rem;color:#eaf1fb}
.mini-list{list-style:none;margin:0 0 1.2rem;padding:0;display:grid;gap:.7rem}
.mini-list li{display:flex;justify-content:space-between;align-items:center;gap:1rem;
  padding:.7rem .9rem;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);border-radius:12px;font-size:.95rem}
.mini-list li b{color:var(--blue-400);font-weight:700;font-variant-numeric:tabular-nums}
.card-link{color:var(--blue-400);font-weight:600;font-size:.95rem}
.card-link:hover{color:#fff}

/* ===== Sections ===== */
.section{padding:80px 0}
.section-alt{background:var(--bg)}
.section-head{max-width:640px;margin:0 auto 3rem;text-align:center}
.eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:700;color:var(--blue-600);margin:0 0 .6rem}
.section-head h2,.section h2{font-family:var(--display);font-weight:800;font-size:clamp(1.6rem,3.4vw,2.3rem);line-height:1.15;margin:0 0 .5rem;letter-spacing:-.4px}
.sub{color:var(--slate);font-size:1.02rem;margin:0}
.tax-note{margin:1rem auto 0;max-width:520px;padding:.8rem 1.2rem;background:linear-gradient(135deg,#eef4ff,#dbeafe);border:1px solid #bfdbfe;border-radius:12px;color:var(--navy-800);font-size:1rem;text-align:center;font-weight:500}
.tax-note b{color:var(--blue-600);font-weight:800}

/* ===== Service cards ===== */
.grid.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.5rem 1.4rem;position:relative;overflow:hidden;
  transition:transform .2s ease,box-shadow .25s ease,border-color .2s ease;
}
.card::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--blue-500),var(--blue-400));transition:width .3s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cdddfb}
.card:hover::before{width:100%}
.card-icon{width:48px;height:48px;display:grid;place-items:center;font-size:1.5rem;background:#eef4ff;border-radius:12px;margin-bottom:1rem}
.card h3{font-family:var(--display);font-size:1.08rem;font-weight:700;margin:0 0 .5rem}
.card p{color:var(--slate);font-size:.95rem;margin:0 0 1rem}
.card .price{display:inline-block;font-weight:800;background:#eef4ff;color:var(--blue-600);padding:.35rem .7rem;border-radius:8px}

/* ===== Processus (steps) ===== */
.steps{list-style:none;margin:0 auto;padding:0;max-width:1000px;display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.3rem 1.4rem;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .25s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step-num{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--blue-500),var(--blue-600));color:#fff;font-family:var(--display);font-weight:800;font-size:1.15rem;margin-bottom:.9rem;box-shadow:0 8px 18px -6px rgba(37,99,235,.55)}
.step h3{font-family:var(--display);font-size:1.05rem;font-weight:700;margin:0 0 .4rem}
.step p{color:var(--slate);font-size:.94rem;margin:0}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}

/* ===== Témoignages ===== */
.grid.testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.testimonial{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.5rem;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:.9rem;position:relative;overflow:hidden}
.testimonial::before{content:"\201C";position:absolute;top:-10px;right:14px;font-family:var(--display);font-size:5rem;line-height:1;color:rgba(37,99,235,.08);pointer-events:none}
.testimonial blockquote{margin:0;font-size:.98rem;color:var(--ink);line-height:1.65}
.testimonial figcaption{margin-top:auto;font-size:.88rem;color:var(--slate);font-weight:600}
.testimonial .stars{color:#f59e0b;font-size:1.15rem;letter-spacing:2px}
.testimonials-rating{text-align:center;margin:2rem 0 0;font-size:1rem;color:var(--slate);font-weight:600}
.testimonials-rating b{color:var(--navy-800)}
@media (max-width:900px){.grid.testimonials{grid-template-columns:1fr}}

/* ===== FAQ ===== */
.faq-list{max-width:760px;margin:0 auto;display:grid;gap:.8rem}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-item[open]{border-color:#cdddfb;box-shadow:var(--shadow)}
.faq-item summary{list-style:none;cursor:pointer;padding:1.05rem 1.2rem;font-weight:600;font-size:1rem;color:var(--navy-800);display:flex;justify-content:space-between;align-items:center;gap:1rem;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\25BE";font-size:1rem;color:var(--blue-600);transition:transform .25s ease;flex:0 0 auto}
.faq-item[open] summary::after{transform:rotate(90deg)}
.faq-item p{margin:0;padding:0 1.2rem 1.1rem;color:var(--slate);font-size:.96rem;line-height:1.65}

/* ===== Why ===== */
.grid.why{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem}
.why-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow-sm)}
.why-item h3{font-family:var(--display);font-size:1.1rem;font-weight:700;margin:0 0 .5rem}
.why-item p{color:var(--slate);margin:0;font-size:.97rem}

/* ===== Hours ===== */
.hours-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.6rem;align-items:center}
.hours-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.hours-table td{padding:.85rem 1.2rem;border-top:1px solid var(--line);font-size:.98rem}
.hours-table tr:first-child td{border-top:0}
.hours-table td:first-child{font-weight:600;color:var(--navy-800)}
.hours-table td:last-child{text-align:right;font-variant-numeric:tabular-nums;color:var(--slate)}
.hours-table tr.closed td{color:#c23b3b;font-weight:600;background:#fdf3f3}

/* ===== Contact ===== */
.section-dark{background:linear-gradient(160deg,#0b1f3a,#102a4c);color:#fff}
.section-dark .sub{color:#bccbe4}
.section-dark .eyebrow{color:var(--blue-400)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}
.contact-list{list-style:none;padding:0;margin:1.6rem 0 0;display:grid;gap:1rem}
.contact-list li{display:flex;gap:.9rem;align-items:flex-start}
.contact-list .ico{width:42px;height:42px;flex:0 0 42px;display:grid;place-items:center;font-size:1.2rem;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:12px}
.contact-list b{display:block;font-size:.82rem;color:#9fb4d4;text-transform:uppercase;letter-spacing:.06em;margin-bottom:.1rem}
.contact-list a{color:#e7effb;font-size:1rem}
.contact-list a:hover{color:var(--blue-400)}

.contact-form{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:1.7rem}
.contact-form h3{font-family:var(--display);margin:0 0 1.2rem;font-size:1.2rem}
.field{margin-bottom:1rem}
.field label{display:block;font-size:.85rem;font-weight:600;color:#cdd9ec;margin-bottom:.4rem}
.field .opt{color:#8498b8;font-weight:400}
.field input,.field textarea{
  width:100%;padding:.8rem .9rem;border-radius:10px;font:inherit;color:#fff;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);transition:border-color .2s,background .2s;
}
.field input::placeholder,.field textarea::placeholder{color:#7f95b6}
.field input:focus,.field textarea:focus{outline:0;border-color:var(--blue-400);background:rgba(255,255,255,.1)}
.contact-form .btn{margin-top:.4rem}
.form-note{min-height:1.2rem;margin:.8rem 0 0;font-size:.92rem;color:#9fe6b8;font-weight:600}
.form-note.err{color:#fca5a5}

/* ===== Footer ===== */
.site-footer{background:var(--navy-900);color:#aebdd6;padding:54px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem;padding-bottom:1.6rem;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand p{margin:.8rem 0 0;font-size:.95rem;max-width:22rem}
.footer-nav{display:flex;flex-direction:column;gap:.55rem}
.footer-nav a,.footer-contact a{color:#c4d2ea;font-size:.95rem}
.footer-nav a:hover,.footer-contact a:hover{color:#fff}
.footer-contact{display:flex;flex-direction:column;gap:.55rem}
.footer-contact a{word-break:break-word}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;padding-top:1.2rem;font-size:.85rem;color:#8498b8}

/* ===== Floating call ===== */
.fab-call{
  position:fixed;right:18px;bottom:18px;z-index:60;
  width:58px;height:58px;border-radius:50%;display:grid;place-items:center;
  background:var(--blue-600);box-shadow:0 12px 30px -8px rgba(37,99,235,.8);
  opacity:0;transform:scale(.6);pointer-events:none;transition:.25s ease;
}
.fab-call svg{width:26px;height:26px;fill:#fff}
.fab-call.show{opacity:1;transform:scale(1);pointer-events:auto}

/* ===== Accessibilité & performance ===== */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
:focus-visible{outline:3px solid var(--blue-500);outline-offset:2px;border-radius:6px}

/* ===== Responsive ===== */
@media (max-width:900px){
  .nav{display:none}
  .nav-toggle{display:block}
  .header-actions .btn-call{display:none}
  .hero-grid,.hours-grid,.contact-grid{grid-template-columns:1fr;gap:2rem}
  .hero{padding:56px 0 60px}
  .grid.cards{grid-template-columns:repeat(2,1fr)}
  .grid.why{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .grid.cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .btn-call span.btn-label{display:none}
}

/* Mobile nav open */
.site-header.nav-open .nav{
  display:flex;flex-direction:column;position:absolute;left:0;right:0;top:68px;
  background:var(--navy-900);padding:1rem 22px 1.4rem;gap:1rem;border-bottom:1px solid rgba(255,255,255,.1)
}
.site-header.nav-open .nav a{color:#e7effb;font-size:1.05rem}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}