:root{--navy:#7B1111;--blue:#C8102E;--blue-light:#fef2f2;--accent:#9B1C1C;--text:#1a2535;--text-light:#4a5568;--white:#ffffff;--gray-bg:#f7f9fc;--border:#fcd5d5;--shadow:0 4px 20px rgba(139,17,17,0.10);--font:'Roboto',system-ui,sans-serif;}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font);color:var(--text);background:var(--white);line-height:1.75;font-size:16px;}
a{color:var(--blue);text-decoration:none;}a:hover{color:var(--navy);}
img{max-width:100%;height:auto;}

/* ── Bouton urgence sticky mobile ── */
.sticky-urgence{display:none;position:fixed;bottom:0;left:0;right:0;z-index:9999;background:#C8102E;color:#fff;text-align:center;padding:14px 20px;font-size:1.1rem;font-weight:700;text-decoration:none;box-shadow:0 -4px 20px rgba(139,17,17,0.35);letter-spacing:0.02em;}
.sticky-urgence:hover{background:#9B1C1C;color:#fff;}
@media(max-width:768px){.sticky-urgence{display:block;}}

/* ── Bandeau urgence header ── */
.urgence-banner{background:#C8102E;color:#fff;text-align:center;padding:10px 20px;font-size:0.95rem;font-weight:600;}
.urgence-banner a{color:#fff;text-decoration:underline;}