:root {
    --primary-color: #0d6efd;
    --primary-gradient: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
    --light-gradient: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
    --primary-light: rgba(13, 110, 253, 0.06);
    --text-muted: #6c757d;
}

body.landing-body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: #1c1d1f;
    background-color: #ffffff;
    overflow-x: hidden;
}

/* Gradients textuels */
.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.bg-light-gradient {
    background: var(--light-gradient);
}

.bg-primary-light {
    background-color: var(--primary-light);
}

/* Typographie & Cartes Stripe-like */
.fw-black {
    font-weight: 850;
}

.tracking-tight {
    letter-spacing: -0.03em;
}

.shadow-hover {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.04) !important;
}

    .shadow-hover:hover {
        transform: translateY(-4px);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.07);
    }

.transition-all {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Utilitaires conteneurs */
.max-width-600 {
    max-width: 600px;
}

.max-width-800 {
    max-width: 800px;
}

.max-width-400 {
    max-width: 400px;
}

.text-inherit {
    color: inherit;
    text-decoration: none;
}

    .text-inherit:hover {
        color: var(--primary-color);
    }

.text-muted-light {
    color: #a0aec0;
}

/* Fallback si l'image n'est pas encore présente */
.fallback-img {
    min-height: 300px;
    background: #e9ecef;
    display: block;
    position: relative;
}

    .fallback-img::before {
        content: "Aperçu de l'interface de production";
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        color: #6c757d;
        font-weight: 500;
    }