body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(180deg, #F4F7F2 0%, #EAF1E6 100%);
    color: #2F3A32;
}

#message-stockage {
    margin-top: 25px;
    padding: 14px 18px;
    border-radius: 12px;
    background: #FAFCF8;
    border: 1px solid #D9E4D2;
    color: #6F7D70;
    font-size: 15px;
    line-height: 1.5;
    max-width: 650px;
    box-shadow: 0 8px 22px rgba(80, 110, 80, 0.08);
}

#message-stockage strong {
    color: #5F7F5F;
}

#header-accueil {
    min-height: 100vh;
    padding: 24px 6vw;
    box-sizing: border-box;
}

#barre-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#logo {
    margin: 0;
    color: #5F7F5F;
    font-size: 32px;
}

#lien-app {
    color: #5F7F5F;
    text-decoration: none;
    border: 1px solid #7FA77B;
    padding: 10px 16px;
    border-radius: 999px;
    font-weight: bold;
    background-color: #FAFCF8;
}

#lien-app:hover {
    background-color: #7FA77B;
    color: #FFFFFF;
}

#hero {
    min-height: calc(100vh - 90px);
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 50px;
}

#badge-hero {
    display: inline-block;
    color: #5F7F5F;
    border: 1px solid #D9E4D2;
    background-color: #FAFCF8;
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: bold;
}

#titre-hero {
    font-size: 58px;
    line-height: 1.05;
    margin: 20px 0;
    color: #2F3A32;
}

#texte-hero {
    color: #6F7D70;
    font-size: 19px;
    line-height: 1.6;
    max-width: 620px;
}

#actions-hero {
    display: flex;
    gap: 14px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.bouton-principal,
.bouton-secondaire {
    display: inline-block;
    text-decoration: none;
    padding: 14px 22px;
    border-radius: 14px;
    font-weight: bold;
    transition: 0.2s;
}

.bouton-principal {
    background-color: #7FA77B;
    color: #FFFFFF;
}

.bouton-secondaire {
    color: #5F7F5F;
    border: 1px solid #D9E4D2;
    background-color: #FAFCF8;
}

.bouton-principal:hover,
.bouton-secondaire:hover {
    transform: translateY(-2px);
}

.bouton-principal:hover {
    background-color: #6E966B;
}

.bouton-secondaire:hover {
    background-color: #EAF1E6;
}

#carte-preview {
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid #D9E4D2;
    border-radius: 28px;
    padding: 24px;
    box-shadow: 0 14px 36px rgba(80, 110, 80, 0.13);
}

#preview-haut {
    display: flex;
    gap: 8px;
}

#preview-haut span {
    width: 12px;
    height: 12px;
    background-color: #A8C7A2;
    border-radius: 50%;
}

#preview-titre {
    color: #5F7F5F;
    font-size: 26px;
}

#preview-poids {
    background-color: #FAFCF8;
    border: 1px solid #D9E4D2;
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 18px;
}

#preview-poids p,
#preview-poids span,
#preview-grille p {
    color: #6F7D70;
    margin: 0;
}

#preview-poids strong {
    display: block;
    font-size: 42px;
    margin: 8px 0;
    color: #2F3A32;
}

#preview-barre {
    height: 12px;
    background-color: #DDE8D6;
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 18px;
}

#preview-progression {
    width: 62%;
    height: 100%;
    background: linear-gradient(90deg, #7FA77B, #A8C7A2);
}

#preview-grille {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

#preview-grille div {
    background-color: #FAFCF8;
    border: 1px solid #D9E4D2;
    padding: 16px;
    border-radius: 16px;
}

#preview-grille strong {
    display: block;
    margin-top: 6px;
    color: #5F7F5F;
    font-size: 22px;
}

main {
    padding: 60px 6vw;
}

.titre-section {
    text-align: center;
    font-size: 36px;
    color: #5F7F5F;
}

#grille-fonctionnalites {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 30px;
}

.carte-fonctionnalite {
    background-color: #FAFCF8;
    border: 1px solid #D9E4D2;
    border-radius: 22px;
    padding: 24px;
    box-shadow: 0 8px 22px rgba(80, 110, 80, 0.08);
}

.carte-fonctionnalite h3 {
    color: #5F7F5F;
}

.carte-fonctionnalite p {
    color: #6F7D70;
    line-height: 1.5;
}

#section-cta {
    text-align: center;
    margin-top: 70px;
    background-color: #FAFCF8;
    border-radius: 28px;
    padding: 45px;
    border: 1px solid #D9E4D2;
    box-shadow: 0 10px 28px rgba(80, 110, 80, 0.10);
}

#section-cta p {
    color: #6F7D70;
    margin-bottom: 28px;
}

#footer-accueil {
    text-align: center;
    color: #6F7D70;
    padding: 30px;
}

@media screen and (max-width: 900px) {
    #hero {
        grid-template-columns: 1fr;
        padding-top: 50px;
    }

    #titre-hero {
        font-size: 40px;
    }

    #grille-fonctionnalites {
        grid-template-columns: 1fr;
    }
}