.participer-page {
    max-width: 1180px;
    margin: 0 auto;
    padding: 55px 20px 70px;
    color: #120b06;
}

.participer-intro {
    max-width: 760px;
    margin: 0 auto 55px;
    text-align: center;
}

.participer-intro::before {
    content: "🤝";
    display: block;
    font-size: 3.8rem;
    margin-bottom: 10px;
}

.participer-intro h1 {
    margin: 0 0 18px;
    font-size: clamp(2.6rem, 6vw, 4.6rem);
    line-height: .95;
    font-weight: 900;
    letter-spacing: -0.05em;
    color: #171033;
}

.participer-intro p {
    max-width: 660px;
    margin: 0 auto;
    font-size: 1.15rem;
    line-height: 1.65;
    font-weight: 650;
    color: #23183f;
}

.participer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    background: rgba(255, 250, 240, 0.94);
    border: 1px solid rgba(217, 170, 79, .38);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 22px 70px rgba(0,0,0,.24);
}

.participer-card {
    position: relative;
    padding: 42px 38px 36px;
    background: transparent;
    border: 0;
    box-shadow: none;
}

.participer-card + .participer-card {
    border-left: 1px solid rgba(76, 47, 28, .16);
}

.participer-icone {
    width: 52px;
    height: 52px;
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(198,146,52,.45);
    border-radius: 14px;
    background: #fffaf0;
    font-size: 1.75rem;
    box-shadow: 0 8px 22px rgba(0,0,0,.08);
}

.participer-card h2 {
    margin: 0 0 10px;
    font-size: 1.55rem;
    line-height: 1.15;
    color: #171033;
}

.participer-card p {
    margin: 0;
    color: #271a12;
    line-height: 1.65;
    font-size: 1rem;
}

.participer-bouton {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 26px;
    min-height: 44px;
    padding: 0 18px;
    border: 1px solid #171033;
    border-radius: 7px;
    background: #fff;
    color: #171033;
    font-weight: 800;
    text-decoration: none;
    box-shadow: 0 8px 20px rgba(0,0,0,.08);
    transition: transform .18s ease, background .18s ease, color .18s ease;
}

.participer-bouton:hover {
    background: #171033;
    color: #fff;
    transform: translateY(-1px);
}

.participer-paypal {
    margin-top: 0;
}

@media (max-width: 950px) {
    .participer-grid {
        grid-template-columns: 1fr;
    }

    .participer-card + .participer-card {
        border-left: 0;
        border-top: 1px solid rgba(76, 47, 28, .16);
    }
}

@media (max-width: 620px) {
    .participer-page {
        padding-top: 35px;
    }

    .participer-card {
        padding: 30px 24px;
    }

    .participer-intro p {
        font-size: 1rem;
    }
}

.participer-intro {
    position: relative;
    max-width: 860px;
    margin: 0 auto 55px;
    padding: 36px 30px 28px;

    text-align: center;

    background:
        linear-gradient(
            180deg,
            rgba(255,255,255,.10),
            rgba(255,255,255,.03)
        );

    border: 1px solid rgba(217,170,79,.18);
    border-radius: 18px;

    backdrop-filter: blur(4px);
}

.participer-intro h1 {
    color: #f8f2e8;

    text-shadow:
        0 2px 10px rgba(0,0,0,.55),
        0 0 24px rgba(0,0,0,.35);
}

.participer-intro p {
    color: #ead9b2;

    text-shadow:
        0 1px 8px rgba(0,0,0,.55);

    font-weight: 500;
}