/* Mouton Dorothee: palette drawn from Marseille's sea and limestone */
:root{
  --mist:#eaf0f1; --white:#fff; --navy:#10283d; --sea:#1d6b86; --mimosa:#f1c94a;
  --sage:#bcd5c4; --pale:#cfe3ea; --muted:#4a5e6b; --line:#c7d4d8;
  --head:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif;
  --body:"Atkinson Hyperlegible","Segoe UI",system-ui,sans-serif;
  --pad:clamp(72px,9vw,128px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font:1.0625rem/1.65 var(--body);color:var(--navy);background:var(--mist);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:var(--head);line-height:1.12;margin:0;letter-spacing:-.015em}
h1{font-size:clamp(2.4rem,5vw,4.1rem);font-weight:700}
h2{font-size:clamp(1.9rem,3.4vw,2.9rem);font-weight:700}
h3{font-size:1.25rem;font-weight:600}
p{margin:0 0 1.1em}
.wrap{width:min(1280px,100% - 2*clamp(20px,4vw,48px));margin-inline:auto}
:focus-visible{outline:3px solid var(--sea);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:8px}

/* Buttons */
.btn{display:inline-block;background:var(--navy);color:#fff;text-decoration:none;font-weight:700;padding:14px 26px;border-radius:999px;border:2px solid var(--navy);cursor:pointer;font:700 1rem var(--body);transition:background .2s,color .2s,transform .2s}
.btn:hover{background:var(--sea);border-color:var(--sea);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--navy)}
.btn-ghost:hover{background:var(--navy);border-color:var(--navy);color:#fff}
.btn-sm{padding:9px 20px;font-size:.95rem}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:var(--mist);transition:box-shadow .25s,background .25s}
.site-header.scrolled{background:rgba(234,240,241,.96);box-shadow:0 1px 0 var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:12px;font:700 1.3rem var(--head);text-decoration:none}
.mark{width:26px;height:26px;background:var(--mimosa);border-radius:50% 50% 50% 4px;box-shadow:6px 6px 0 var(--sea)}
.nav{display:flex;align-items:center;gap:30px}
.nav a:not(.btn){text-decoration:none;font-weight:700;font-size:.97rem;padding:6px 0;background:linear-gradient(var(--sea),var(--sea)) 0 100%/0 2px no-repeat;transition:background-size .25s}
.nav a:not(.btn):hover{background-size:100% 2px}
.burger{display:none;width:44px;height:44px;border:0;background:none;cursor:pointer;position:relative}
.burger span{position:absolute;left:10px;right:10px;height:2px;background:var(--navy);transition:transform .25s,top .25s}
.burger span:first-child{top:18px}.burger span:last-child{top:26px}
.burger[aria-expanded=true] span:first-child{top:22px;transform:rotate(45deg)}
.burger[aria-expanded=true] span:last-child{top:22px;transform:rotate(-45deg)}

/* Hero */
.hero{padding-top:clamp(32px,5vw,72px)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(32px,5vw,80px);align-items:center}
.kicker{font-weight:700;color:var(--sea);margin-bottom:18px}
.hero h1{margin-bottom:26px}
.lead{font-size:1.2rem;max-width:58ch;color:var(--muted)}
.actions{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 44px}
.facts{display:grid;grid-template-columns:repeat(3,1fr);margin:0;border-top:2px solid var(--navy)}
.facts div{padding:16px 18px 0 0}
.facts div+div{padding-left:18px;border-left:1px solid var(--line)}
.facts dt{font-size:.9rem;color:var(--sea);font-weight:700}
.facts dd{margin:2px 0 0;font:600 1.05rem/1.3 var(--head)}

.mosaic{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:minmax(104px,auto);gap:12px}
.tile{padding:20px;display:flex;flex-direction:column;justify-content:flex-end;gap:4px;transition:transform .3s;animation:pop .7s both}
.tile:hover{transform:translateY(-4px) rotate(-.4deg)}
.tile b{font:700 1.15rem/1.2 var(--head)}
.tile span{font-size:.92rem;line-height:1.4;opacity:.9}
.t1{grid-column:1/4;grid-row:1/3;background:var(--sea);color:#fff;border-radius:120px 24px 24px 24px;animation-delay:.05s}
.t2{grid-column:4/7;grid-row:1/3;background:var(--mimosa);border-radius:24px 24px 120px 24px;animation-delay:.15s}
.t3{grid-column:1/3;grid-row:3/5;background:var(--white);border-radius:24px 24px 24px 4px;animation-delay:.25s}
.t4{grid-column:3/5;grid-row:3/5;background:var(--sage);border-radius:24px;animation-delay:.35s}
.t5{grid-column:5/7;grid-row:3/5;background:var(--navy);color:#fff;border-radius:24px 80px 24px 24px;animation-delay:.45s}
.t6{grid-column:1/7;background:var(--pale);border-radius:24px;flex-direction:row;align-items:center;gap:18px;animation-delay:.55s}
.t6 b{flex:none}
@keyframes pop{from{opacity:0;transform:scale(.94) translateY(14px)}to{opacity:1;transform:none}}

.support-line{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;margin-top:clamp(48px,6vw,88px);padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.support-line p{margin:0;font-weight:700}
.support-line ul{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0}
.support-line li{background:var(--white);padding:6px 16px;border-radius:999px;font-size:.95rem}

/* About */
.about{padding-top:var(--pad)}
.about-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(32px,6vw,96px);align-items:start}
.about-text h2{margin-bottom:28px;max-width:20ch}
.about-text p{max-width:66ch}
blockquote{margin:36px 0 0;padding:6px 0 6px 26px;border-left:6px solid var(--mimosa);font:600 clamp(1.35rem,2.2vw,1.8rem)/1.3 var(--head);max-width:30ch}
.about-side{background:var(--white);padding:36px;border-radius:28px 28px 28px 4px;position:sticky;top:100px}
.about-side h3{margin-bottom:12px}
dl{margin:0}
.about-side dt,.contact dt{font-weight:700;color:var(--sea);margin-top:18px;font-size:.95rem}
.about-side dd,.contact dd{margin:2px 0 0}
.begin{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:clamp(48px,6vw,88px) 0 0;padding:0;border-top:2px solid var(--navy)}
.begin li{counter-increment:s;padding:26px 28px 0 0;display:flex;flex-direction:column;gap:6px}
.begin li+li{padding-left:28px;border-left:1px solid var(--line)}
.begin li::before{content:counter(s);width:34px;height:34px;display:grid;place-items:center;background:var(--navy);color:#fff;border-radius:50%;font:700 .95rem var(--head);margin-bottom:8px}
.begin b{font:600 1.2rem var(--head)}
.begin span{color:var(--muted)}

/* Services */
.services{padding-block:var(--pad)}
.services-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(32px,6vw,96px)}
.services-intro{position:sticky;top:110px;align-self:start}
.services-intro h2{margin-bottom:22px}
.services-intro p{color:var(--muted);margin-bottom:28px}
.service{display:grid;gap:4px;padding:30px 0 22px;border-top:2px solid var(--navy);transition:padding-left .25s,background .25s}
.service:hover{padding-left:16px;background:linear-gradient(90deg,var(--pale),transparent 70%)}
.service h3{margin-bottom:8px}
.service p{max-width:62ch;margin-bottom:.7em}
.fit{color:var(--sea);font-weight:700;font-size:.97rem}

/* Why */
.why{background:var(--navy);color:#fff;padding-block:var(--pad);border-radius:48px 48px 0 0}
.why-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(32px,6vw,96px)}
.why-intro{position:sticky;top:110px;align-self:start}
.why-intro h2{margin-bottom:22px}
.why-intro p{color:#c4d3dc;max-width:44ch}
.why-list{list-style:none;margin:0;padding:0;display:grid;gap:0}
.why-list li{padding:28px 0 28px 44px;border-bottom:1px solid rgba(255,255,255,.18);position:relative}
.why-list li:first-child{padding-top:0}
.why-list li::before{content:"";position:absolute;left:0;top:34px;width:18px;height:18px;background:var(--mimosa);border-radius:50% 50% 50% 3px;transition:transform .3s}
.why-list li:first-child::before{top:6px}
.why-list li:hover::before{transform:scale(1.35) rotate(-20deg)}
.why-list h3{margin-bottom:8px}
.why-list p{margin:0;color:#c4d3dc;max-width:58ch}

/* Contact */
.contact{padding-block:var(--pad);background:var(--white)}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(32px,6vw,96px)}
.contact h2{margin-bottom:22px}
.contact-info p{color:var(--muted);max-width:44ch}
.contact dd a{font-weight:700;text-underline-offset:4px}
.form{background:var(--mist);padding:clamp(24px,4vw,44px);border-radius:28px 28px 4px 28px;display:grid;gap:18px}
.field{display:grid;gap:6px}
.field label{font-weight:700;font-size:.97rem}
.field input,.field select,.field textarea{font:inherit;padding:13px 14px;border:2px solid var(--line);border-radius:12px;background:var(--white);color:var(--navy);width:100%;transition:border-color .2s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--sea);outline:none}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#b3261e}
.err{color:#b3261e;font-size:.9rem;min-height:0}
.check{grid-template-columns:auto 1fr;align-items:start;column-gap:12px}
.check input{width:22px;height:22px;margin-top:2px}
.check .err{grid-column:1/-1}
.form .btn{justify-self:start}
.status{margin:0;font-weight:700;color:var(--sea)}

/* Footer */
.site-footer{background:var(--navy);color:#c4d3dc;padding-top:56px;font-size:.97rem}
.foot{display:grid;grid-template-columns:1.3fr 1fr auto;gap:40px}
.foot-brand{font:700 1.3rem var(--head);color:#fff;margin-bottom:8px}
.foot a{color:#fff}
.foot-links{display:flex;flex-direction:column;gap:8px}
.foot-links a{text-decoration:none}.foot-links a:hover{text-decoration:underline}
.legal{margin-top:40px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.18);font-size:.9rem}
.legal p{margin:0}

/* Scroll reveal (only when JS is active) */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}
.js .reveal.in{opacity:1;transform:none}

@media (max-width:980px){
  .hero-grid,.about-grid,.services-grid,.why-grid,.contact-grid{grid-template-columns:1fr}
  .about-side,.services-intro,.why-intro{position:static}
  .begin{grid-template-columns:1fr}
  .begin li+li{padding-left:0;border-left:0;border-top:1px solid var(--line);margin-top:22px}
  .foot{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .burger{display:block}
  .nav{position:absolute;left:0;right:0;top:76px;background:var(--mist);flex-direction:column;align-items:flex-start;gap:6px;padding:18px clamp(20px,4vw,48px) 28px;border-bottom:1px solid var(--line);display:none}
  .nav.open{display:flex}
  .nav a:not(.btn){padding:10px 0;font-size:1.1rem}
}
@media (max-width:560px){
  .facts{grid-template-columns:1fr}
  .facts div+div{padding-left:0;border-left:0;border-top:1px solid var(--line);margin-top:14px}
  .mosaic{grid-template-columns:repeat(2,1fr)}
  .t1,.t2,.t6{grid-column:1/-1;grid-row:auto;border-radius:24px}
  .t3,.t4,.t5{grid-column:auto;grid-row:auto}
  .t5{grid-column:1/-1}
  .t6{flex-direction:column;align-items:flex-start;gap:4px}
  .why{border-radius:28px 28px 0 0}
  .foot{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
}