:root{
  --blue-600:#0a66b2; --blue-700:#0a5696; --blue-800:#0b4780;
  --green-500:#58bb5d; --green-600:#3aa64a;
  --orange-500:#f59e0b; --red-500:#ef4444;
  --text:#0f172a; --muted:#55637a; --bg:#f7f9fc; --card:#fff;
  --radius:18px; --shadow:0 10px 30px rgba(2,32,73,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Poppins,system-ui,-apple-system,Segoe UI,Roboto,"Helvetica Neue",Arial;color:var(--text);background:var(--bg)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1100px,92%);margin:0 auto}
.btn{display:inline-flex;align-items:center;gap:.65rem;padding:.95rem 1.25rem;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:var(--shadow);transition:.25s;background:linear-gradient(135deg,var(--green-500),var(--green-600));color:#fff;border:none;cursor:pointer}
.btn:is(:hover,:focus){transform:translateY(-2px);filter:saturate(1.1)}
.btn-outline{background:#fff;color:var(--blue-700);border:2px solid var(--blue-700)}
.pill{background:#fff;border:2px solid var(--green-600);color:var(--green-600)}
.small{font-size:.9rem;opacity:.9}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:#fff8;border-bottom:1px solid #e5edf6;backdrop-filter:saturate(1.2) blur(8px)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:.75rem 0}
.brand{display:flex;align-items:center;gap:.75rem}
.brand-logo {
  height: 80px;  /* au lieu de 56px */
  width: auto;
}
.nav-links{display:flex;align-items:center;gap:1rem;font-weight:600}
.nav-links .cta{padding:.55rem .9rem;border-radius:999px;background:var(--blue-600);color:#fff}
.mobile-toggle{display:none;background:none;border:none;font-size:1.5rem}
@media(max-width:860px){.nav-links{display:none}.mobile-toggle{display:block}}

/* Hero */
.hero{position:relative;padding:0;color:#fff;background:linear-gradient(170deg,var(--blue-700),var(--blue-800))}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: center;
  padding: 56px 0;
}

/* Style de l'image ronde */
.hero img {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  object-fit: cover;
  border: 6px solid #0a66b2;
  box-shadow: var(--shadow);
  margin: 0 auto;
  display: block;
  order: 2; /* image après le texte par défaut */
}

/* Responsive : sur petits écrans */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero img {
    width: 350px;   /* plus grosse */
    height: 350px;
    order: -1;      /* image avant le texte */
    margin-bottom: 20px;
  }
}
/* Sections */
.section{padding:70px 0}
.section h2{font-size:clamp(1.6rem,1.4rem + 1vw,2rem);margin:0 0 18px}
.section-sub{color:#475569;margin-top:6px}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);border:1px solid #e7eef7;transition:.2s}
.card:hover{transform:translateY(-3px)}
.card h3{margin:12px 0 8px;font-size:1.05rem}
.card p{margin:0;color:var(--muted)}
.icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;color:#fff;font-weight:900}
.ico-orange{background:var(--orange-500)} .ico-green{background:var(--green-500)}
.ico-blue{background:var(--blue-600)} .ico-red{background:var(--red-500)}
@media(max-width:980px){.cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.cards{grid-template-columns:1fr}}

/* Layouts */
.service-article{display:grid;grid-template-columns:1.3fr .7fr;gap:28px}
@media(max-width:960px){.service-article{grid-template-columns:1fr}}
.aside-box{background:var(--card);border:1px solid #e7eef7;border-radius:16px;box-shadow:var(--shadow);padding:16px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}
.contact-form{display:grid;gap:12px}
.contact-form input,.contact-form textarea{width:100%;padding:14px 15px;border:1.5px solid #d7e3f1;border-radius:12px;background:#fff;outline:none;font:inherit}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--blue-600);box-shadow:0 0 0 4px rgba(10,102,178,.2)}
.form-msg{margin-top:8px}
.contact-aside{background:linear-gradient(135deg,var(--blue-700),var(--blue-800));border-radius:var(--radius);padding:22px;color:#fff}
.contact-aside a{color:#fff}

/* Footer */
.site-footer{padding:28px 0;background:#0b1220;color:#cbd5e1}
.footer-grid{display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px}
@media(max-width:720px){.footer-grid{grid-template-columns:1fr}}
.legal a{color:#93c5fd}

/* Floating CTA */
.floating-cta{position:fixed;right:18px;bottom:18px;z-index:60}

/* --- Nav de base --- */
.nav { display:flex; align-items:center; justify-content:space-between; }
.nav-links { display:flex; align-items:center; gap:1rem; font-weight:600; }
.mobile-toggle { display:none; background:none; border:none; font-size:1.6rem; line-height:1; }

/* --- Dropdown (desktop) --- */
.dropdown { position:relative; }
.has-sub { font-weight:700; }
.submenu {
  position:absolute; top:100%; left:0; display:none; min-width:280px;
  padding:8px; margin-top:10px; list-style:none; background:#fff;
  border:1px solid #e7eef7; border-radius:14px; box-shadow:var(--shadow); z-index:100;
}
.submenu li a { display:block; padding:10px 12px; border-radius:10px; color:var(--text); white-space:nowrap; }
.submenu li a:hover { background:#f3f7fd; }

.dropdown:hover .submenu,
.dropdown:focus-within .submenu { display:block; }

/* --- Mobile --- */
@media (max-width: 860px){
  .mobile-toggle { display:block; }
  .nav-links {
    display:none; position:absolute; top:100%; left:0; right:0;
    background:#fff; border-top:1px solid #e7eef7; box-shadow:0 10px 30px rgba(2,32,73,.12);
    padding:12px; flex-direction:column; gap:.25rem; z-index:99;
  }
  .nav-links.open { display:flex; }

  /* Sous-menu en pile sur mobile (caché par défaut) */
  .nav-links .submenu { position:static; display:none; border:none; box-shadow:none; padding:6px 0 0 8px; margin:6px 0 0; background:transparent; }
  .nav-links .submenu.open { display:block; }
  .nav-links .submenu li a { padding:8px 0; }
}