/* ============================================
   MADAME BACK-OFFICE — Global Stylesheet
   ============================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Lato', sans-serif;
    color: #333;
    background: #fff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* ---------- Variables ---------- */
:root {
    --red: #d51e2d;
    --dark: #333;
    --dark-bg: #3d4045;
    --dark-header: #404040;
    --white: #fff;
    --light-gray: #f7f7f7;
    --border: #ededed;
    --text: #333;
    --text-light: #4d4d4d;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.24);
    --shadow-lg: 0 14px 28px rgba(0,0,0,.25), 0 10px 10px rgba(0,0,0,.22);
    --transition: all .3s cubic-bezier(.25,.8,.25,1);
    --grid-width: 1140px;
}

/* ---------- Container ---------- */
.container {
    max-width: var(--grid-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------- Header / Navigation ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 91px;
}

.site-header .logo img {
    height: 50px;
    width: auto;
}

.main-nav {
    display: flex;
    gap: 30px;
}

.main-nav a {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text);
    transition: color .3s;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--red);
    transition: width .3s;
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.main-nav a:hover {
    color: var(--red);
}

/* Burger menu (mobile) */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.burger span {
    width: 28px;
    height: 3px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

.burger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Sections ---------- */
.section {
    padding: 80px 0;
}

.section--hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    padding-top: 91px;
}

.section--hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(51,51,51,.6);
}

.section--hero .hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 40px 20px;
}

.section--hero .hero-logo {
    max-width: 380px;
    margin: 0 auto 30px;
}

.section--hero p {
    font-weight: 300;
    font-size: 25px;
    line-height: 40px;
    color: var(--white);
}

/* Section titles */
.section-title {
    font-size: 32px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-light);
    margin-bottom: 30px;
    text-align: center;
}

.section-subtitle {
    font-size: 24px;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 50px;
    color: var(--text);
    line-height: 1.6;
}

/* ---------- Prestations Section ---------- */
.section--prestations {
    background: var(--white);
}

.section--prestations .section-title {
    color: var(--text-light);
}

.section--prestations .section-subtitle {
    color: var(--text);
}

/* ---------- Prestations - Cards ---------- */
.cards-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.card {
    text-align: center;
    background: var(--red);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: default;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-body {
    padding: 30px 20px;
}

.card-body h3 {
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
    color: var(--white);
}

.card-body p {
    font-size: 16px;
    line-height: 1.5;
    color: var(--white);
    min-height: 120px;
}

.card .btn--outline-dark {
    color: var(--white);
    border-color: var(--white);
}

.card .btn--outline-dark:hover {
    background: var(--white);
    color: var(--red);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 0;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid;
}

.btn--outline-light {
    color: var(--white);
    border-color: var(--white);
    background: transparent;
}

.btn--outline-light:hover {
    background: var(--white);
    color: var(--dark);
}

.btn--outline-dark {
    color: var(--dark);
    border-color: var(--dark);
    background: transparent;
}

.btn--outline-dark:hover {
    background: var(--dark);
    color: var(--white);
}

.btn--flat {
    background: var(--dark-header);
    color: var(--white);
    border-color: var(--dark-header);
}

.btn--flat:hover {
    opacity: .85;
}

.btn--flat.btn-active {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

/* ---------- Detail Sections (Professionnels, Particuliers, Etudiants) ---------- */
.section--detail {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

.section--detail::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.15);
}

.section--detail .container {
    position: relative;
    z-index: 1;
}

.encart {
    background: var(--white);
    border: 1px solid var(--red);
    border-radius: 4px;
    box-shadow: var(--shadow-sm);
    padding: 40px 60px;
    transition: var(--transition);
    max-width: 600px;
}

.encart h3 {
    font-size: 24px;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: var(--dark);
}

.encart h4 {
    font-size: 18px;
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: 15px;
}

.encart ul {
    list-style: disc;
    padding-left: 20px;
    margin-bottom: 20px;
}

.encart ul li,
.encart p {
    font-size: 18px;
    line-height: 1.36;
    color: #2b2b2b;
    margin-bottom: 8px;
}

.section--detail-right .encart {
    margin-left: auto;
}

/* ---------- Tarifs ---------- */
.tarifs-buttons {
    display: flex;
    gap: 15px;
    margin: 30px 0;
}

.tarifs-buttons .btn {
    flex: 1;
    text-align: center;
    white-space: nowrap;
    font-size: 13px;
    padding: 14px 16px;
}

.tarifs-table {
    display: none;
    width: 100%;
    margin-top: 30px;
    border-collapse: collapse;
}

.tarifs-table.active {
    display: table;
}

.tarifs-table th {
    background: var(--dark-header);
    color: var(--white);
    padding: 14px 16px;
    text-align: left;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
}

.tarifs-table td {
    padding: 14px 16px;
    font-size: 16px;
    vertical-align: middle;
    border-bottom: 1px solid var(--border);
}

.tarifs-table td:last-child {
    text-align: right;
}

.tarifs-table tr:nth-child(odd) {
    background: rgba(0,0,0,.04);
}

.tarifs-hint {
    text-align: center;
    color: #999;
    font-style: italic;
    margin-top: 20px;
}

/* ---------- Plus-values ---------- */
.plusvalues-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.plusvalues-grid img {
    max-width: 420px;
    margin: 0 auto;
}

.plusvalues-grid h4,
.plusvalues-grid strong {
    color: var(--dark);
}

.plusvalues-grid ul {
    list-style: disc;
    padding-left: 20px;
    margin-bottom: 15px;
}

.plusvalues-grid li {
    margin-bottom: 8px;
    line-height: 1.5;
}

.plusvalues-grid p {
    margin-bottom: 12px;
    line-height: 1.6;
}

.plusvalues-cta {
    font-size: 24px;
    text-align: center;
    margin-top: 40px;
}

/* ---------- Contact Form ---------- */
.contact-form {
    max-width: 800px;
    margin: 0 auto;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
}

.form-group {
    flex: 1;
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 0;
    font-size: 16px;
    font-family: 'Lato', sans-serif;
    border: none;
    border-bottom: 2px solid var(--border);
    outline: none;
    background: transparent;
    color: var(--text);
    transition: border-color .3s;
}

.form-group input:focus,
.form-group textarea:focus {
    border-bottom-color: var(--red);
}

.form-group label {
    position: absolute;
    left: 0;
    top: 12px;
    font-size: 16px;
    color: #999;
    pointer-events: none;
    transition: var(--transition);
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -14px;
    font-size: 12px;
    color: var(--red);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group--full {
    width: 100%;
}

.form-gdpr {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 24px;
    font-size: 14px;
    color: #666;
}

.form-gdpr input[type="checkbox"] {
    margin-top: 3px;
    accent-color: var(--red);
}

.form-submit {
    display: inline-block;
    padding: 16px 40px;
    background: var(--dark-header);
    color: var(--white);
    border: none;
    font-size: 16px;
    font-weight: 700;
    font-family: 'Lato', sans-serif;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
}

.form-submit:hover {
    background: var(--red);
}

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 4px;
    display: none;
}

.form-message.success {
    display: block;
    background: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #a5d6a7;
}

.form-message.error {
    display: block;
    background: #ffebee;
    color: #c62828;
    border: 1px solid #ef9a9a;
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--dark-bg);
    color: rgba(255,255,255,.6);
    padding: 40px 0;
    text-align: center;
    font-size: 14px;
}

.site-footer p {
    margin-bottom: 5px;
}

.site-footer a {
    color: rgba(255,255,255,.8);
    transition: color .3s;
}

.site-footer a:hover {
    color: var(--white);
}

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
    .cards-row {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }

    .plusvalues-grid {
        grid-template-columns: 1fr;
    }

    .plusvalues-grid img {
        margin: 0 auto 30px;
    }

    .tarifs-buttons {
        grid-template-columns: 1fr;
    }

    .encart {
        padding: 30px;
        max-width: 100%;
    }

    .section--detail {
        padding: 100px 0;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 25px;
        z-index: 1000;
    }

    .main-nav.open {
        display: flex;
    }

    .main-nav a {
        font-size: 18px;
    }

    .burger {
        display: flex;
    }

    .site-header .container {
        height: 70px;
    }

    .section--hero {
        padding-top: 70px;
    }

    .section--hero p {
        font-size: 18px;
        line-height: 30px;
    }

    .section--hero .hero-logo {
        max-width: 260px;
    }

    .section-title {
        font-size: 24px;
    }

    .section-subtitle {
        font-size: 18px;
    }

    .form-row {
        flex-direction: column;
        gap: 24px;
    }

    .section {
        padding: 60px 0;
    }

    .card-body p {
        min-height: auto;
    }
}