/* ==========================================================================
   1. CONFIGURATION SYSTEM & FONTS PREMIUM
   ========================================================================= */
:root {
    --white-pure: #FFFFFF;
    --white-cream: #FBFBFC;
    --dark-luxury: #0A0A0C;
    --text-muted: #5A5A62;
    --primary-gold: #BC9C74; /* Doré atténué type galerie d'art */
    --gold-light: #E8DCC4;
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    background-color: var(--white-pure);
    color: var(--dark-luxury);
    font-family: 'Inter', sans-serif;
    letter-spacing: -0.1px;
    line-height: 1.75;
    overflow-x: hidden;
}

.text-serif { font-family: 'Cormorant Garamond', serif !important; font-weight: 500; }
.font-sans { font-family: 'Inter', sans-serif !important; }

/* ==========================================================================
   2. STYLES DE NAVIGATION & DESIGN CENTRE
   ========================================================================= */
.sticky-header {
    position: fixed;
    top: 0; left: 0; width: 100%;
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid #F0F0F2;
    z-index: 1000;
    transition: var(--transition-smooth);
}

.nav-center {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    padding: 22px 0;
}

.nav-center a {
    color: var(--dark-luxury);
    text-decoration: none;
    font-weight: 500;
    font-size: 12px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    transition: var(--transition-smooth);
}

.nav-center a:hover, .nav-center a.active {
    color: var(--primary-gold);
}

.logo-placeholder {
    font-family: 'Cormorant Garamond', serif;
    font-size: 30px;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--dark-luxury);
    text-transform: uppercase;
    padding: 0 35px;
}
.logo-placeholder span { color: var(--primary-gold); }

/* ==========================================================================
   3. HERO & SUBTITLES EDITORIAUX
   ========================================================================= */
.section-padding { padding: 120px 0; }
.bg-cream { background-color: var(--white-cream); }

.hero-premium {
    padding: 240px 0 140px 0;
    background: radial-gradient(circle at 50% 30%, #FBF9F4 0%, #FFFFFF 60%);
    text-align: center;
}

.hero-premium h1 {
    font-size: 4.6rem;
    line-height: 1.1;
}

.hero-badge {
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--primary-gold);
    display: inline-block;
    margin-bottom: 20px;
    font-weight: 600;
}

.lead-premium {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.6rem;
    max-width: 750px;
    line-height: 1.4;
}

.section-subtitle {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--primary-gold);
    font-weight: 600;
    display: block;
}

/* Boutons */
.btn-gold {
    background-color: var(--dark-luxury);
    color: var(--white-pure);
    border: 1px solid var(--dark-luxury);
    padding: 16px 42px;
    border-radius: 0;
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 600;
    transition: var(--transition-smooth);
}
.btn-gold:hover {
    background-color: var(--primary-gold);
    border-color: var(--primary-gold);
    color: var(--white-pure);
}

.btn-outline-dark {
    border: 1px solid var(--dark-luxury);
    color: var(--dark-luxury);
    border-radius: 0;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 2px;
    padding: 16px 42px;
    font-weight: 600;
    background: transparent;
    transition: var(--transition-smooth);
}
.btn-outline-dark:hover {
    background-color: var(--dark-luxury);
    color: var(--white-pure);
}

/* ==========================================================================
   4. STRUCTURE DES COMPOSANTS (CARDS & PORTFOLIO)
   ========================================================================= */
.card-premium {
    background: var(--white-pure);
    border: 1px solid #EFEFF2;
    padding: 50px 40px;
    border-radius: 0;
    transition: var(--transition-smooth);
}
.card-premium:hover {
    border-color: var(--primary-gold);
    box-shadow: 0 40px 80px rgba(0,0,0,0.03);
}

.card-icon { color: var(--primary-gold); font-size: 2rem; }

/* Blocs Stats */
.stat-box { padding: 30px; border-left: 1px solid #ECECEF; }
.stat-number { font-size: 3.5rem; font-weight: 400; font-family: 'Cormorant Garamond', serif; }
.stat-label { font-size: 13px; color: var(--text-muted); }

/* Portfolio Éditorial */
.portfolio-card-premium {
    background: var(--white-pure);
    transition: var(--transition-smooth);
}
.portfolio-img-wrapper {
    overflow: hidden;
    position: relative;
    background-color: #F5F5F7;
}
.portfolio-img-wrapper img {
    width: 100%;
    height: 260px;
    object-fit: cover;
    transition: var(--transition-smooth);
}
.portfolio-card-premium:hover .portfolio-img-wrapper img {
    transform: scale(1.04);
}
.portfolio-meta { padding: 25px 0; }
.portfolio-cat { font-size: 11px; text-transform: uppercase; letter-spacing: 2px; color: var(--primary-gold); font-weight: 600; }
.portfolio-link { font-size: 12px; text-transform: uppercase; color: var(--dark-luxury); text-decoration: none; font-weight: 600; letter-spacing: 1px; }

/* ==========================================================================
   5. REVUES & TEMOIGNAGES ULTRA-PREMIUM (MAGAZINE MODE)
   ========================================================================= */
.review-wrapper { padding: 20px; }
.stars-gold { color: var(--primary-gold); font-size: 11px; letter-spacing: 4px; }
.review-quote {
    font-size: 2.2rem;
    line-height: 1.35;
    color: var(--dark-luxury);
    max-width: 700px;
    margin: 0 auto;
}
.review-author {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
}
.review-nav-btn {
    background: transparent;
    border: 1px solid #D0D0D5;
    color: var(--dark-luxury);
    width: 50px;
    height: 50px;
    transition: var(--transition-smooth);
}
.review-nav-btn:hover {
    border-color: var(--dark-luxury);
    background-color: var(--dark-luxury);
    color: var(--white-pure);
}

/* Inputs Devis Form */
.premium-input {
    border: none;
    border-bottom: 1px solid #D0D0D5;
    border-radius: 0;
    padding-left: 0;
    font-size: 14px;
    background: transparent;
}
.premium-input:focus {
    box-shadow: none;
    border-color: var(--primary-gold);
}

/* ==========================================================================
   6. REAL FOOTER 4 GRID - PREMIUM DESIGN
   ========================================================================= */
.premium-footer { background-color: var(--white-pure); }
.section-padding-footer { padding: 80px 0 60px 0; }
.footer-logo { font-family: 'Cormorant Garamond', serif; font-size: 30px; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; }
.footer-logo span { color: var(--primary-gold); }
.footer-title { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; position: relative; padding-bottom: 10px; }
.footer-title::after { content: ''; position: absolute; bottom: 0; left: 0; width: 35px; height: 1px; background-color: var(--primary-gold); }
.footer-links li { margin-bottom: 12px; list-style: none; }
.footer-links a { color: var(--text-muted); text-decoration: none; transition: var(--transition-smooth); display: inline-block; }
.footer-links a:hover { color: var(--primary-gold); transform: translateX(4px); }
.footer-socials a { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid #E5E5E9; color: var(--dark-luxury); text-decoration: none; margin-right: 8px; transition: var(--transition-smooth); }
.footer-socials a:hover { background-color: var(--dark-luxury); color: var(--white-pure); transform: translateY(-2px); }
.footer-contact { list-style: none; padding-left: 0; }
.footer-legal-links a:hover { color: var(--primary-gold) !important; }

/* ==========================================================================
   7. ANIMATIONS SCROLL & WHATSAPP
   ========================================================================= */
.fade-in-scroll { opacity: 0; transform: translateY(30px); transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1); }
.fade-in-scroll.visible { opacity: 1; transform: translateY(0); }

.whatsapp-float {
    position: fixed; bottom: 30px; right: 30px; background: #25D366; color: var(--white-pure); width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 32px; box-shadow: 0 12px 30px rgba(37, 211, 102, 0.2); z-index: 1000; transition: var(--transition-smooth);
}
.whatsapp-float:hover { transform: scale(1.1) translateY(-3px); color: var(--white-pure); }

@media (max-width: 992px) {
    .nav-center { gap: 15px; }
    .logo-placeholder { padding: 0 10px; font-size: 22px; }
    .hero-premium h1 { font-size: 2.8rem; }
    .review-quote { font-size: 1.6rem; }
}
@media (min-width: 768px) {
    .text-md-between { display: flex; justify-content: space-between; align-items: center; }
    .text-md-start { text-align: left !important; }
    .text-md-end { text-align: right !important; }
}



/* ==========================================================================
   9. NAVIGATION MOBILE PREMIUM (BURGER & FULLSCREEN OVERLAY)
   ========================================================================== */
/* Masquer le burger sur grand écran */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1100;
    position: relative;
    padding: 10px;
}

.burger-icon {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark-luxury);
    position: relative;
    transition: background 0.3s ease;
}

.burger-icon::before, .burger-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--dark-luxury);
    transition: var(--transition-smooth);
}
.burger-icon::before { top: -7px; }
.burger-icon::after { bottom: -7px; }

/* Animation du Burger -> Croix */
.menu-toggle.open .burger-icon {
    background: transparent;
}
.menu-toggle.open .burger-icon::before {
    transform: rotate(45deg);
    top: 0;
    background: var(--dark-luxury);
}
.menu-toggle.open .burger-icon::after {
    transform: rotate(-45deg);
    bottom: 0;
    background: var(--dark-luxury);
}

/* L'overlay plein écran mobile */
.mobile-overlay-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--white-pure);
    z-index: 1050;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
    pointer-events: none;
}

.mobile-overlay-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav-links {
    list-style: none;
    padding: 0;
    text-align: center;
}

.mobile-nav-links li {
    margin-bottom: 25px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.mobile-overlay-menu.active .mobile-nav-links li {
    opacity: 1;
    transform: translateY(0);
}

/* Génération du délai pour l'apparition en cascade des liens */
.mobile-overlay-menu.active .mobile-nav-links li:nth-child(1) { transition-delay: 0.2s; }
.mobile-overlay-menu.active .mobile-nav-links li:nth-child(2) { transition-delay: 0.3s; }
.mobile-overlay-menu.active .mobile-nav-links li:nth-child(3) { transition-delay: 0.4s; }
.mobile-overlay-menu.active .mobile-nav-links li:nth-child(4) { transition-delay: 0.5s; }
.mobile-overlay-menu.active .mobile-nav-links li:nth-child(5) { transition-delay: 0.6s; }
.mobile-overlay-menu.active .mobile-nav-links li:nth-child(6) { transition-delay: 0.7s; }

.mobile-nav-links a {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2rem;
    color: var(--dark-luxury);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: color 0.3s ease;
}

.mobile-nav-links a:hover, .mobile-nav-links a.active {
    color: var(--primary-gold);
}

/* Responsiveness Média Queries */
@media (max-width: 992px) {
    .nav-center a:not(.logo-placeholder) {
        display: none; /* Cache les liens standards du header centré */
    }
    .sticky-header .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 10px 0;
    }
    .nav-center {
        width: 100%;
        justify-content: space-between;
        padding: 0;
        gap: 0;
    }
    .logo-placeholder {
        padding: 0;
        order: 1;
    }
    .menu-toggle {
        display: block;
        order: 2;
    }
    body.menu-open {
        overflow: hidden; /* Empêche le scroll en arrière-plan quand le menu est ouvert */
    }
}

/* Bouton Fermer à l'intérieur de l'Overlay */
.close-menu-btn {
    position: absolute;
    top: 25px;
    right: 25px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    display: block;
}

/* Création de la croix en pur CSS */
.close-menu-btn::before, .close-menu-btn::after {
    content: '';
    position: absolute;
    left: 15px;
    top: 4px;
    height: 24px;
    width: 2px;
    background-color: var(--dark-luxury); /* Ou #1A1A1A */
    transition: transform 0.3s ease;
}

.close-menu-btn::before {
    transform: rotate(45deg);
}

.close-menu-btn::after {
    transform: rotate(-45deg);
}

/* Effet de rotation premium au survol */
.close-menu-btn:hover::before {
    transform: rotate(135deg);
}
.close-menu-btn:hover::after {
    transform: rotate(45deg);
}

/* Ajustement de l'overlay pour être sûr qu'il couvre tout au dessus */
.mobile-overlay-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: #FFFFFF;
    z-index: 9999; /* Z-index très élevé pour passer devant le header */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
    pointer-events: none;
}

.mobile-overlay-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}