/* ===============================
   BASE GLOBALE
================================ */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    color: #2b2b2b;
    line-height: 1.6;

    background-image: url("rose.png");
    background-repeat: no-repeat;
    background-position: center top;
    background-size: cover;
    background-attachment: fixed;
}

/* ===============================
   STRUCTURE
================================ */
header {
    background: rgba(255, 255, 255, 0.92);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 600;
    letter-spacing: 0.04em;
}

nav a {
    margin-left: 1.2rem;
    text-decoration: none;
    color: #2b2b2b;
    font-size: 0.95rem;
}

main {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

section {
    margin-bottom: 3rem;
}

footer {
    background: rgba(255, 255, 255, 0.92);
    padding: 1.5rem;
    font-size: 0.85rem;
    text-align: center;
}

/* ===============================
   TYPOGRAPHIE
================================ */
h1, h2 {
    font-weight: 500;
}

h1 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
}

ul {
    padding-left: 1.2rem;
}

li {
    margin-bottom: 0.5rem;
}

/* ===============================
   BLOCS AU FOND BLANC PREMIUM
================================ */
.encadre-premium,
.bloc-premium {
    background: rgba(255, 255, 255, 0.88);
    padding: 1.8rem;
    border-radius: 4px;
}

.signature {
    text-align: right;
    margin-top: 1.5rem;
    font-style: italic;
}

/* ===============================
   FORMULAIRES
================================ */
form {
    background: rgba(255, 255, 255, 0.9);
    padding: 1.5rem;
    border-radius: 4px;
}

label {
    display: block;
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
}

input[type="email"] {
    width: 100%;
    padding: 0.6rem;
    margin: 0.8rem 0 1rem 0;
    border: 1px solid #ccc;
    border-radius: 3px;
}

button {
    padding: 0.6rem 1.4rem;
    border: none;
    border-radius: 3px;
    background: #b38674;
    color: #ffffff;
    font-size: 0.95rem;
    cursor: pointer;
}

button:disabled {
    background: #b38674;
    cursor: not-allowed;
}

/* ===============================
   QUESTIONNAIRE PREMIUM GRISÉ
================================ */
.bloc-premium.locked {
    opacity: 0.45;
    filter: grayscale(100%);
    pointer-events: none;
    user-select: none;
    padding: 1.5rem;
}

.bloc-premium.locked button,
.bloc-premium.locked input,
.bloc-premium.locked a {
    cursor: not-allowed;

}

/* ===============================
   MESSAGES ET NOTES
================================ */
.note {
    font-size: 0.85rem;
    color: #555;
}

#premiumMessage {
    background: rgba(255, 255, 255, 0.9);
    padding: 1.2rem;
    border-radius: 4px;
}

/* ===============================
   SECTION CONTACT CENTRÉE ET RESPONSIVE
================================ */
#contact {
    display: flex;
    justify-content: center;
    margin: 0 auto 3rem;
    padding: 0 1rem;
}

#contact > p, 
#contact > div {
    max-width: 900px;
    width: 100%;
}

.contact-container {
    background: rgba(255, 255, 255, 0.88);
    border-radius: 4px;
    padding: 2rem;
    text-align: left;
    line-height: 1.5;
}

.contact-container p {
    margin: 0.4rem 0;
}

.contact-container a {
    color: #2b2b2b;
    text-decoration: underline;
}

/* ===============================
   RESPONSIVE GLOBAL
================================ */
@media (max-width: 768px) {

    header {
        flex-direction: column;
        align-items: flex-start;
    }

    nav {
        margin-top: 0.8rem;
    }

    nav a {
        margin-left: 0;
        margin-right: 1rem;
    }

    main {
        padding: 1.5rem 1rem;
    }

    .bloc-premium,
    .bloc-premium.locked {
        padding: 1rem;
        margin: 1rem 0;
        width: 100%;
        box-sizing: border-box;
    }

    #contact {
        padding: 1.5rem 1rem;
    }

    .contact-container {
        padding: 1.5rem 1rem;
    }
}