/* ==================== VARIABLES ==================== */
:root {
    --primary-gray: #ABAAAA;
    --dark-gray: #6B6868;
    --light-gray: #D4D2D2;
    --bg-gray: #F5F4F4;
    --white: #FFFFFF;
    --text-dark: #2C2A2A;
    --border-color: #E0DEDE;
    --accent: #8A8787;
    --success: #7FA37F;
    --warning: #C99A6E;
    --danger: #B87C7C;
    --shadow: rgba(163, 160, 160, 0.15);
    --shadow-hover: rgba(163, 160, 160, 0.25);
}

/* ==================== RESET ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ==================== BODY ==================== */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #F5F4F4 0%, #E8E6E6 100%);
    color: var(--text-dark);
    line-height: 1.6;
    display: flex;
    min-height: 100vh;
}

body.no-scroll {
    overflow: hidden;
}

/* ==================== SIDEBAR (HORIZONTAL TOP) ==================== */
.sidebar {
    width: 100%;
    background: linear-gradient(135deg, #ffffff 0%, var(--dark-gray) 100%);
    color: var(--white);
    padding: 0;
    position: fixed;
    top: 0;
    left: 0;
    height: auto;
    box-shadow: 0 4px 20px var(--shadow);
    transition: transform 0.3s ease;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar.active {
    transform: translateY(0);
}

.logo {
    padding: 15px 30px;
    display: flex;
    flex-direction: row;
    gap: 20px;
    align-items: center;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.logo img {
    max-height: 50px;
    height: auto;
    width: auto;
    filter: brightness(1.1);
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}

/* ==================== NAVIGATION ==================== */
nav {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0;
    flex-wrap: wrap;
}

nav li {
    margin: 0;
}

nav a {
    display: block;
    padding: 18px 20px;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.9em;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
}

nav a:hover {
    background: rgba(255, 255, 255, 0.1);
    border-bottom-color: var(--white);
}

nav a.active {
    background: rgba(255, 255, 255, 0.15);
    border-bottom-color: var(--white);
    font-weight: 600;
}

nav a.rouge {
    color: #FFB3B3;
}

nav a.rouge:hover {
    background: rgba(255, 100, 100, 0.2);
    border-bottom-color: #FFB3B3;
}

.separator {
    width: 1px;
    height: 30px;
    background: rgba(255, 255, 255, 0.2);
    margin: 0 10px;
}

/* ==================== MENU TOGGLE ==================== */
.menu-toggle {
    display: none;
    background: var(--dark-gray);
    color: var(--white);
    border: none;
    padding: 18px 20px;
    font-size: 20px;
    cursor: pointer;
    position: fixed;    /* ← AJOUTÉ */
    top: 0;             /* ← AJOUTÉ */
    left: 0;            /* ← AJOUTÉ */
    z-index: 1001;
    transition: all 0.3s ease;
}

.menu-toggle:hover {
    background: var(--primary-gray);
}

/* ==================== CONTAINER ==================== */
.container {
    margin-top: 100px;
    margin-left: auto;
    margin-right: auto;
    max-width: 1200px;
    width: 100%;
    padding: 40px;
}

/* ==================== CONTACT BLOCKS ==================== */
.contact-block {
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 8px 32px var(--shadow);
    padding: 40px;
    margin-bottom: 30px;
}

.contact-block h1 {
    color: var(--text-dark);
    font-size: 1.8em;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--primary-gray);
}

.contact-block > p {
    color: var(--dark-gray);
    font-size: 1.05em;
    margin-bottom: 25px;
    line-height: 1.8;
}

/* ==================== CONTACT INFO ==================== */
.contact-info {
    background: var(--bg-gray);
    border-radius: 12px;
    padding: 25px;
    border-left: 4px solid var(--primary-gray);
}

.contact-info p {
    margin-bottom: 12px;
    font-size: 1em;
    color: var(--text-dark);
}

.contact-info p:last-child {
    margin-bottom: 0;
}

.contact-info strong {
    color: var(--dark-gray);
    font-weight: 600;
    display: inline-block;
    min-width: 120px;
}

.contact-info a {
    color: var(--primary-gray);
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.contact-info a:hover {
    color: var(--dark-gray);
    border-bottom-color: var(--dark-gray);
}

/* =========================================================
   BOUTON CONTACT
========================================================= */
.contact-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin: 20px 0;
}

.btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    color: #fff;
    border-radius: 8px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.btn-call {
    background-color: #6B6868;
}

.btn-whatsapp {
    background-color: #25D366;
    color: black;
}

.icon {
    width: 22px;
    height: 22px;
}

/* ==================== BTN RETOUR ==================== */
.back-btn-container {
    text-align: center;
    margin: 30px 0;
}

/* Style principal */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: linear-gradient(135deg, var(--primary-gray) 0%, var(--dark-gray) 100%);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95em;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px var(--shadow);
    border: none;
    cursor: pointer;
}

.back-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-hover);
}

.back-btn:active {
    transform: translateY(0);
}

/* Variante avec icône de retour */
.back-btn-icon::before {
    content: '←';
    font-size: 1.2em;
    line-height: 1;
}

/* Variante outline (contour seulement) */
.back-btn-outline {
    background: transparent;
    color: var(--primary-gray);
    border: 2px solid var(--primary-gray);
    box-shadow: none;
}

.back-btn-outline:hover {
    background: var(--primary-gray);
    color: var(--white);
    border-color: var(--primary-gray);
}

/* Variante claire (pour fonds sombres) */
.back-btn-light {
    background: var(--white);
    color: var(--text-dark);
    border: 2px solid var(--border-color);
}

.back-btn-light:hover {
    background: var(--bg-gray);
    border-color: var(--primary-gray);
}

/* Variante succès */
.back-btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #65a350 100%);
}

.back-btn-success:hover {
    box-shadow: 0 6px 20px rgba(127, 163, 127, 0.4);
}

/* Variante danger */
.back-btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #a35c5c 100%);
}

.back-btn-danger:hover {
    box-shadow: 0 6px 20px rgba(184, 124, 124, 0.4);
}

/* Variante warning */
.back-btn-warning {
    background: linear-gradient(135deg, var(--warning) 0%, #B8834A 100%);
}

.back-btn-warning:hover {
    box-shadow: 0 6px 20px rgba(201, 154, 110, 0.4);
}

/* Responsive */
@media (max-width: 768px) {
    .back-btn {
        width: 100%;
        justify-content: center;
        padding: 16px 24px;
    }
}

/* ==================== HR SEPARATOR ==================== */
hr {
    border: none;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--border-color) 50%, transparent 100%);
    margin: 40px 0;
}

/* ==================== LOADING ANIMATION ==================== */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.loading {
    animation: pulse 2s ease-in-out infinite;
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-gray);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-gray);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .sidebar {
        flex-direction: column;
        align-items: stretch;
        transform: translateY(-100%);
    }

    .sidebar.active {
        transform: translateY(0);
    }

    .menu-toggle {
        display: block;
    }

    .logo {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        padding: 15px 20px;
    }

    nav {
        width: 100%;
    }

    nav ul {
        flex-direction: column;
        width: 100%;
    }

    nav li {
        width: 100%;
    }

    nav a {
        padding: 14px 20px;
        border-bottom: none;
        border-left: 3px solid transparent;
    }

    nav a:hover,
    nav a.active {
        border-left-color: var(--white);
        border-bottom-color: transparent;
    }

    .separator {
        width: 100%;
        height: 1px;
        margin: 0;
    }

    .container {
        padding: 20px;
        margin-top: 80px;
    }

    .contact-block {
        padding: 25px;
    }

    .contact-block h1 {
        font-size: 1.5em;
    }
}

@media (max-width: 768px) {
    .container {
        margin-top: 70px;
        padding: 15px;
    }

    .contact-block {
        padding: 20px;
    }

    .contact-block h1 {
        font-size: 1.3em;
    }

    .contact-block > p {
        font-size: 0.95em;
    }

    .contact-info {
        padding: 20px;
    }

    .contact-info strong {
        display: block;
        margin-bottom: 5px;
        min-width: auto;
    }

    .logo img {
        max-height: 40px;
    }

    hr {
        margin: 30px 0;
    }
}

@media (max-width: 480px) {
    .contact-block h1 {
        font-size: 1.2em;
    }

    .contact-block > p {
        font-size: 0.9em;
    }

    .contact-info p {
        font-size: 0.9em;
    }
}