/* Reset et Accessibilité de base */
* { box-sizing: border-box; }

*:focus-visible {
    outline: 3px solid #0058e0 !important;
    outline-offset: 2px;
}

/* Classe utilitaire pour cacher visuellement mais lire vocalement (RGAA) */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #f8fafc;
    color: #0f172a;
    display: flex;
    flex-direction: column;
    min-height: 100vh; /* Empêche le scroll vertical inutile */
    margin: 0;
    background-image: radial-gradient(#e2e8f0 1px, transparent 1px);
    background-size: 32px 32px;
}

/* Le main prend l'espace restant et pousse le footer en bas */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
}

.logo { 
    display: flex; 
    align-items: center; 
    justify-content: center;
    gap: 12px; 
    margin-bottom: 40px; 
}
.logo img { height: 32px; width: auto; }
.logo-text { font-size: 1.8rem; font-weight: 800; letter-spacing: -0.5px; }

.badge-new {
    display: inline-block;
    background-color: #ecf3ff;
    color: #0058e0;
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 24px;
    border: 1px solid rgba(0, 88, 224, 0.1);
}

h1 { 
    font-size: clamp(2rem, 5vw, 3.5rem); 
    margin-bottom: 20px; 
    font-weight: 800; 
    letter-spacing: -0.04em; 
    line-height: 1.1;
}
.highlight { color: #0058e0; }

.intro-text { 
    font-size: 1.2rem; 
    color: #475569; /* Contraste renforcé pour l'accessibilité */
    max-width: 600px; 
    margin: 0 auto 30px; 
    line-height: 1.6; 
}

.btn-extension {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: #0058e0;
    color: white;
    text-decoration: none;
    padding: 14px 32px;
    border-radius: 100px;
    font-size: 1.05rem;
    font-weight: 700;
    transition: all 0.2s ease;
    box-shadow: 0 10px 20px -5px rgba(0, 88, 224, 0.3);
}
.btn-extension:hover { background-color: #0046b8; transform: translateY(-2px); }

/* Style du nouveau Footer */
.site-footer {
    background-color: #ffffff;
    border-top: 1px solid #e2e8f0;
    padding: 30px 20px;
    text-align: center;
    color: #475569;
    font-size: 0.95rem;
    line-height: 1.6;
}
.site-footer p { margin: 0 0 10px 0; }
.site-footer p:last-child { margin-bottom: 0; }
.site-footer a {
    color: #0058e0;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    font-weight: 500;
}
.site-footer a:hover {
    color: #0046b8;
    text-decoration-thickness: 2px;
}