/* Space Grotesk — SIL Open Font License 1.1 — © 2020 The Space Grotesk Project Authors */
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/sg-400.woff2') format('woff2')}
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/sg-500.woff2') format('woff2')}
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/sg-700.woff2') format('woff2')}
:root{
  --navy:#050a3a;
  --navy-2:#0b2f9e;
  --navy-3:#06103f;
  --blue-glow:#0a56d6;
  --yellow:#ffd347;
  --gold-deep:#dfa229;
  --gold-grad:linear-gradient(100deg,#e1a52c 0%,#ffd347 16%,#fff7a0 34%,#ffcc3b 52%,#ffe883 70%,#f4c440 84%,#e1a52c 100%);
  --cream:#fcfdf8;
  --beige:#f7f3ea;
  --ink:#0f1524;
  --muted:#5c6166;
  --muted-light:#b9c2e0;
  --line:rgba(15,21,36,.11);
  --container:1240px;
  --nav-h:78px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--cream);color:var(--ink);
  font-family:"Space Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- typographie ---------- */
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.02em;text-transform:uppercase}
h1{font-size:clamp(2.5rem,6.6vw,5.25rem);line-height:1.06}
h2{font-size:clamp(2rem,4.9vw,3.9rem);line-height:1.06}
h3{font-size:clamp(1.02rem,1.5vw,1.18rem);letter-spacing:.005em;line-height:1.3}
p{margin:0}
.eyebrow{
  display:flex;align-items:center;gap:14px;
  font-size:.72rem;font-weight:700;letter-spacing:.19em;text-transform:uppercase;color:var(--gold-deep);
  margin-bottom:26px;
}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--gold-deep);flex:none}
.hero .eyebrow,.sec-navy .eyebrow,.sec-navy2 .eyebrow{color:var(--yellow)}
.hero .eyebrow::before,.sec-navy .eyebrow::before,.sec-navy2 .eyebrow::before{background:var(--yellow)}
.lead{color:var(--muted);font-size:1.03rem;line-height:1.75}
.num{font-size:.74rem;font-weight:700;letter-spacing:.14em;color:var(--gold-deep)}
.sec-navy .num,.sec-navy2 .num{color:var(--yellow)}

/* ---------- boutons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 26px;border-radius:7px;font-size:.93rem;font-weight:700;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .25s ease,background .25s ease,color .25s ease,box-shadow .25s ease;
  white-space:nowrap;
}
.btn svg{flex:none}
.btn-primary{
  background-color:var(--yellow);background-image:var(--gold-grad);
  background-size:190% 100%;background-position:12% 0;color:#20180a;
  transition:transform .25s ease,background-position .7s ease,box-shadow .25s ease;
}
.btn-primary:hover{background-position:88% 0;transform:translateY(-2px);box-shadow:0 12px 28px rgba(224,168,44,.34)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--navy-2);border-color:rgba(11,31,118,.35)}
.btn-outline:hover{border-color:var(--navy-2);transform:translateY(-2px)}
.btn .arrow{transition:transform .25s ease}
.btn:hover .arrow{transform:translateX(4px)}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .35s ease,box-shadow .35s ease;
  background:transparent;
}
.site-header.solid{background:var(--navy-3);box-shadow:0 10px 34px rgba(0,0,0,.28)}
.nav{display:flex;align-items:center;gap:34px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:13px;margin-right:auto}
.brand-mark{width:54px;height:auto;flex:none}
.brand-txt{display:flex;flex-direction:column;line-height:1}
.brand-txt b{font-size:.98rem;font-weight:700;letter-spacing:.01em;color:#fff;text-transform:uppercase;white-space:nowrap}
.brand-txt b i{font-style:normal;color:var(--yellow)}
.brand-txt span{font-size:.62rem;letter-spacing:.24em;color:#9aa3c9;margin-top:5px;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:.95rem;color:#e8ebf7;position:relative;padding:4px 0}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--yellow);transition:width .3s ease;
}
.nav-links a:hover::after{width:100%}
.nav-tel{display:flex;align-items:center;gap:9px;color:#fff;font-weight:700;font-size:.95rem}
.nav-tel svg{color:var(--yellow)}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer}
.burger span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;transition:.3s}

/* ---------- hero ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:#0a2f96 radial-gradient(120% 150% at 55% 46%,#0d54cf 0%,#0a3aae 34%,#0a2585 60%,#050c3c 100%);
  padding:calc(var(--nav-h) + 78px) 0 66px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('../images/hero.jpg');
  background-size:cover;background-position:center right;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(5,10,58,.7) 0%,rgba(5,10,58,.24) 11%,rgba(5,10,58,0) 20%),
    linear-gradient(90deg,rgba(5,10,58,.45) 0%,rgba(5,10,58,.1) 40%,rgba(5,10,58,0) 60%);
}
.hero .container{position:relative;z-index:2}
.hero h1{max-width:min(100%,880px);text-shadow:0 2px 24px rgba(3,5,90,.35)}
.hero h1 .y{
  display:block;color:var(--yellow);text-shadow:none;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-text{max-width:560px;margin-top:30px;color:#dfe4f6;font-size:1.02rem;line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:66px}
.badge{
  border:1.5px solid rgba(255,255,255,.32);border-radius:6px;
  padding:9px 18px;font-size:.7rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:#fff;
  backdrop-filter:blur(2px);transition:border-color .3s ease,background .3s ease;
}
.badge:hover{border-color:var(--yellow);background:rgba(255,211,71,.12)}

/* ---------- sections ---------- */
section{padding:clamp(76px,8.4vw,124px) 0}
.sec-cream{background:var(--cream)}
.sec-beige{background:var(--beige)}
.sec-navy{
  color:#fff;
  background:#0a2f96 radial-gradient(120% 150% at 50% 50%,#0d54cf 0%,#0a3aae 34%,#0a2585 58%,#071551 80%,#050c3c 100%);
}
.sec-navy2{
  color:#fff;
  background:#0a3cb4 radial-gradient(118% 148% at 50% 47%,#0b64ea 0%,#0947c6 34%,#0a2f95 60%,#08195e 82%,#050c3c 100%);
}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1.24fr;gap:clamp(40px,6vw,92px);align-items:center}
.about h2{max-width:min(100%,430px)}
.about .lead{margin-top:28px;max-width:44ch}
.checks{list-style:none;margin:34px 0 0;padding:0;display:grid;gap:14px}
.checks li{display:flex;align-items:flex-start;gap:13px;font-weight:500;font-size:.98rem}
.tick{
  flex:none;width:21px;height:21px;border-radius:50%;
  background:var(--yellow) var(--gold-grad);
  display:grid;place-items:center;margin-top:2px;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:10px;margin-top:36px;
  color:var(--navy-2);font-weight:700;font-size:.95rem;
}
.link-arrow svg{transition:transform .25s ease}
.link-arrow:hover svg{transform:translateX(5px)}
.about-media{position:relative}
.about-media img{width:100%;aspect-ratio:779/623;object-fit:cover}
.media-caption{
  position:absolute;right:0;bottom:0;width:60.6%;min-width:min(100%,268px);
  background:var(--navy);padding:clamp(15px,2.3vw,26px) clamp(17px,2.6vw,30px);
}
.media-caption b{display:block;color:var(--yellow);font-weight:700;font-size:clamp(.86rem,2.3vw,1.02rem);text-transform:uppercase;letter-spacing:.005em}
.media-caption span{display:block;color:#dfe4f6;font-size:clamp(.74rem,1.9vw,.88rem);margin-top:7px;line-height:1.45}

/* services */
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,80px);align-items:end}
.sec-head h2{max-width:13ch}
.sec-head .lead{padding-bottom:12px}
.cards{
  margin-top:clamp(46px,5vw,68px);
  display:grid;grid-template-columns:repeat(3,1fr);
  border:1px solid var(--line);background:var(--line);gap:1px;
}
.card{background:var(--cream);padding:clamp(28px,3vw,42px);transition:background .3s ease,transform .3s ease}
.card:hover{background:#fff}
.card h3{margin:26px 0 14px}
.card p{color:var(--muted);font-size:.95rem;line-height:1.7}

/* galerie */
.gallery{margin-top:clamp(44px,5vw,64px);display:grid;grid-template-columns:repeat(4,1fr);gap:21px}
.tile{position:relative;overflow:hidden}
.tile img{width:100%;aspect-ratio:368/491;object-fit:cover;object-position:center top;transition:transform .7s cubic-bezier(.2,.7,.3,1)}
.tile:hover img{transform:scale(1.06)}
.tile::after{
  content:"";position:absolute;inset:auto 0 0 0;height:58%;
  background:linear-gradient(to top,rgba(5,10,58,.92),rgba(5,10,58,.55) 42%,rgba(5,10,58,0));
  pointer-events:none;
}
.tile b{
  position:absolute;left:18px;bottom:18px;z-index:2;color:#fff;
  font-size:.76rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
}

/* méthode */
.steps{margin-top:clamp(44px,5vw,66px);display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(24px,3vw,42px)}
.step{border-top:1px solid rgba(255,255,255,.34);padding-top:24px}
#methode h2{max-width:min(100%,900px)}
.step h3{color:#fff;margin:20px 0 12px;font-size:.98rem}
.step p{color:#d5deff;font-size:.92rem;line-height:1.7}

/* partenaire */
.partner-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(40px,6vw,88px);align-items:center}
.partner h2{max-width:11ch}
.partner p.lead{color:#e2e8ff;margin-top:26px;max-width:40ch}
.quote{border-left:3px solid var(--yellow);padding-left:22px;margin-top:38px}
.quote b{display:block;font-weight:700;font-size:.96rem;color:#fff;text-transform:uppercase;letter-spacing:.01em}
.quote b+b{color:var(--yellow);margin-top:6px}
.partner-media img{width:100%;box-shadow:0 26px 60px rgba(0,0,0,.3)}

/* cta */
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,80px);align-items:end}
.cta h2{max-width:min(100%,520px)}
.cta .lead{max-width:42ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* footer */
.site-footer{
  color:#fff;padding:clamp(60px,6vw,90px) 0 34px;
  background:#050c3c radial-gradient(130% 130% at 50% 0%,#0b3fb4 0%,#0a2578 34%,#071450 60%,#040a30 100%);
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:clamp(28px,4vw,56px)}
.foot-grid p{color:#b9c2e0;font-size:.94rem;margin-top:22px;max-width:32ch}
.foot-h{font-size:.72rem;font-weight:700;letter-spacing:.19em;text-transform:uppercase;color:var(--yellow);margin-bottom:26px}
.foot-list{list-style:none;margin:0;padding:0;display:grid;gap:14px;color:#dfe4f6;font-size:.95rem}
.foot-list a:hover{color:var(--yellow)}
.foot-small{color:#8d97c4;font-size:.78rem;margin-top:18px;letter-spacing:.02em}
.obiou-band{padding:clamp(46px,5vw,74px) 0}
.obiou-inner{display:flex;align-items:center;gap:clamp(24px,3.4vw,48px);flex-wrap:wrap}
.fp-logo{background:#fcfaf7;border:1px solid var(--line);border-radius:10px;padding:16px 22px;flex:none;display:block}
.fp-logo img{width:112px;display:block}
.fp-txt{min-width:min(100%,280px);flex:1}
.fp-txt .eyebrow{margin-bottom:14px}
.fp-name{
  color:var(--ink);font-weight:700;text-transform:uppercase;letter-spacing:-.01em;
  font-size:clamp(1.25rem,2.3vw,1.7rem);line-height:1.2;
}
.fp-txt p:last-child{color:var(--muted);font-size:1rem;margin-top:12px;max-width:60ch}
.foot-bottom{
  margin-top:clamp(46px,5vw,70px);padding-top:26px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  color:#8d97c4;font-size:.82rem;
}

/* animations */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .tile img,.btn,.link-arrow svg{transition:none}
}

/* responsive */
@media (max-width:430px){ .nav .btn{display:none} }

@media (max-width:1080px){
  .nav-links,.nav-tel{display:none}
  .burger{display:block}
  .nav.open .nav-links{
    display:flex;position:absolute;top:var(--nav-h);left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:0;background:var(--navy-3);padding:8px 24px 22px;
  }
  .nav.open .nav-links a{padding:13px 0;width:100%;border-bottom:1px solid rgba(255,255,255,.1)}
  .cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:34px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .hero-bg{background-position:76% center}
  .hero-bg::after{background:linear-gradient(180deg,rgba(5,10,58,.8) 0%,rgba(5,10,58,.52) 42%,rgba(5,10,58,.36) 100%)}
  .about-grid,.partner-grid,.sec-head,.cta-grid{grid-template-columns:1fr}
  .sec-head .lead{padding-bottom:0}
  .gallery{grid-template-columns:repeat(2,1fr);gap:14px}
  .about-media{order:-1}
}
@media (max-width:560px){
  body{font-size:16px}
  .cards{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero{padding-top:calc(var(--nav-h) + 54px)}
  .badges{margin-top:44px}
  .btn{width:100%;justify-content:center}
  .nav{gap:14px}
  .nav .btn{width:auto;padding:11px 15px;font-size:.8rem}
  .brand{gap:9px}
  .brand-mark{width:44px}
  .brand-txt b{font-size:.82rem}
  .brand-txt span{font-size:.55rem;margin-top:4px}
}