/* Icônes professionnelles avec symboles simples */
.fas, .far, .fab {
    font-family: Arial, sans-serif;
    font-weight: bold;
    line-height: 1;
    font-style: normal;
    display: inline-block;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    text-align: center;
    min-width: 1em;
}

/* Icônes avec symboles professionnels */
.fa-phone::before { content: "☎"; }
.fa-wrench::before { content: "🔧"; }
.fa-clock::before { content: "⏱"; }
.fa-medal::before { content: "★"; }
.fa-euro-sign::before { content: "€"; }
.fa-tools::before { content: "🔨"; }
.fa-key::before { content: "🔑"; }
.fa-lock::before { content: "🔒"; }
.fa-lock-open::before { content: "🔓"; }
.fa-door-open::before { content: "🚪"; }
.fa-shield-alt::before { content: "🛡"; }
.fa-user-shield::before { content: "🛡"; }
.fa-check-circle::before { content: "✓"; }
.fa-clipboard-check::before { content: "✓"; }
.fa-user-tie::before { content: "👤"; }
.fa-map-marker-alt::before { content: "📍"; }
.fa-envelope::before { content: "✉"; }
.fa-paper-plane::before { content: "➤"; }
.fa-facebook-f::before { content: "f"; }
.fa-twitter::before { content: "t"; }
.fa-linkedin-in::before { content: "in"; }
.fa-arrow-right::before { content: "→"; }
.fa-chevron-down::before { content: "▼"; }
.fa-chevron-up::before { content: "▲"; }