/* Section Introduction */
.eco-intro {
    background: linear-gradient(180deg, #e8f5e9, #f1f8e9);
    color: #64B5F6;
    text-align: center;
    padding: 60px 20px;
}

.eco-intro h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #078fff;
    text-transform: uppercase;
}

.eco-intro h1::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    background: #1A237E;
    margin: 10px auto 0;
    border-radius: 2px;
}

.eco-intro p {
    font-size: 1.2rem;
    color: #455a64;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Section Traitement des Déchets */
.eco-dechets {
    padding: 60px 20px;
    background: #1A237E;
}

.eco-dechets h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    color: #078fff;
    margin-bottom: 30px;
}

.eco-dechets .row {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    align-items: center;
}

.eco-dechets .col-md-6 {
    flex: 1 1 calc(50% - 30px);
    max-width: calc(50% - 30px);
    text-align: center;
    padding: 20px;
    border-radius: 10px;
    background: #f9fbe7;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
}

.eco-dechets ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.eco-dechets ul li {
    font-size: 1rem;
    color: #004d40;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.eco-dechets ul li i {
    color: #078fff;
    font-size: 1.5rem;
    margin-right: 10px;
}

/* Section Matériaux Durables */
.eco-materiaux {
    padding: 60px 20px;
    background: #f1f8e9;
}

.eco-materiaux h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    color: #078fff;
    margin-bottom: 30px;
}

.eco-materiaux .row {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.eco-materiaux .col-md-4 {
    flex: 1 1 calc(33.333% - 30px);
    max-width: calc(33.333% - 30px);
    text-align: center;
    padding: 20px;
    border-radius: 10px;
    background: #ffffff;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
}

.eco-materiaux .col-md-4 i {
    font-size: 3rem;
    color: #2e7d32;
    margin-bottom: 15px;
}

.eco-materiaux .col-md-4 h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #078fff;
    margin-bottom: 10px;
}

.eco-materiaux .col-md-4 p {
    font-size: 1rem;
    color: #546e7a;
}

/* Section Initiatives Écologiques */
.eco-initiatives {
    padding: 60px 20px;
    background: linear-gradient(180deg, #f4f8fc, #e8f5e9);
}

.eco-initiatives h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    color: #078fff;
    margin-bottom: 30px;
}

.eco-initiatives .row {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.eco-initiatives .col-md-4 {
    flex: 1 1 calc(33.333% - 30px);
    max-width: calc(33.333% - 30px);
    text-align: center;
    padding: 20px;
    border-radius: 10px;
    background: #ffffff;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
}

.eco-initiatives .col-md-4 i {
    font-size: 3rem;
    color: #2e7d32;
    margin-bottom: 15px;
}

.eco-initiatives .col-md-4 h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #078fff;
    margin-bottom: 10px;
}

.eco-initiatives .col-md-4 p {
    font-size: 1rem;
    color: #546e7a;
}

/* Responsive Design */
@media (max-width: 768px) {
    .eco-dechets .row,
    .eco-materiaux .row,
    .eco-initiatives .row {
        flex-direction: column;
    }

    .eco-dechets .col-md-6,
    .eco-materiaux .col-md-4,
    .eco-initiatives .col-md-4 {
        flex: 1 1 100%;
        max-width: 100%;
    }
}

@media (max-width: 576px) {
    .eco-intro h1 {
        font-size: 2.2rem;
    }

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

    .eco-dechets .col-md-6 h3,
    .eco-materiaux .col-md-4 h3,
    .eco-initiatives .col-md-4 h3 {
        font-size: 1.2rem;
    }

    .eco-dechets .col-md-6 p,
    .eco-materiaux .col-md-4 p,
    .eco-initiatives .col-md-4 p {
        font-size: 0.9rem;
    }
}