:root {
    --black: #1A1A1A;
    --dark-gray: #4A4A4A;
    --gray: #8A8A8A;
    --light-gray: #F8F6F5;
    --beige: #E9DDD0;
    --white: #FFFFFF;
    --gold-accent: #C9B6A4; /* touche féminine subtile */
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--white);
    color: var(--dark-gray);
    line-height: 1.7;
    letter-spacing: 0.3px;
    padding: 0 20px;
}

/* ===== TYPOGRAPHIE ÉLÉGANTE ===== */
h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
    font-weight: 500;
    letter-spacing: -0.3px;
    color: var(--black);
}

h2 {
    font-size: 32px;
    position: relative;
    display: inline-block;
    margin-bottom: 30px;
}

h2:after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--gold-accent);
}

/* ===== NAVIGATION ===== */
header {
    position: fixed;
    top: 0;
    left: 20px;
    right: 20px;
    width: auto;
    background: var(--white);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    z-index: 1000;
    backdrop-filter: blur(5px);
    background: rgba(255,255,255,0.95);
}

nav {
    max-width: 1400px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    font-size: 24px;
    letter-spacing: 2px;
    color: var(--black);
    position: relative;
    text-decoration: none;        /* Supprime le souligné natif des liens */
    display: inline-block;        /* Nécessaire pour que width: 100% fonctionne sur :after */
    transition: color 0.3s ease;  /* Transition douce pour la couleur du texte */
}

.logo:after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 30px;                  /* ✅ Design de base inchangé : petit trait */
    height: 1.5px;
    background: var(--gold-accent);
    transition: width 0.3s ease;  /* Animation fluide de l'extension */
}

/* ✅ Au survol : le trait s'allonge + la couleur change */
.logo:hover {
    color: var(--gold-accent);
}

.logo:hover:after {
    width: 100%;                  /* ✅ Le trait occupe toute la largeur du logo */
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 40px;
    margin-left: 40px;
}

.nav-links li a {
    text-decoration: none;
    color: var(--dark-gray);
    font-size: 15px;
    font-weight: 400;
    letter-spacing: 0.5px;
    transition: color 0.3s;
    position: relative;
}

.nav-links li a:before {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold-accent);
    transition: width 0.3s;
}

.nav-links li a:hover {
    color: var(--black);
}

.nav-links li a:hover:before {
    width: 100%;
}

/* ===== HEADER CONTACT SECTION ===== */
.header-contact {
    display: flex;
    align-items: center;
    gap: 25px;
    margin-left: auto;
}

.phone-block {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    line-height: 1.3;
}

.phone-number {
    font-weight: 500;
    font-size: 15px;
    color: var(--black);
    font-family: 'Playfair Display', serif;
}

.phone-label {
    font-size: 11px;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 300;
}

.whatsapp-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--black);
    transition: all 0.3s;
    border-radius: 50%;
}

.whatsapp-icon:hover {
    color: var(--gold-accent);
    transform: scale(1.05);
    background: rgba(201, 182, 164, 0.1);
}

.whatsapp-icon svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.btn-contact {
    padding: 10px 28px;
    background: transparent;
    color: var(--black);
    border: 1.5px solid var(--gold-accent);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: all 0.3s ease;
    white-space: nowrap;
    border-radius: 30px;
}

.btn-contact:hover {
    background: var(--gold-accent);
    color: var(--white);
    border-color: var(--gold-accent);
}

/* ===== MENU BURGER ===== */
.menu-icon {
    display: none;
    font-size: 28px;
    cursor: pointer;
    user-select: none;
    color: var(--black);
    line-height: 1;
    margin-left: 15px;
}

.mobile-nav {
    display: none;
    flex-direction: column;
    background: var(--white);
    border-top: 1px solid rgba(0,0,0,0.05);
    padding: 25px 0;
    list-style: none;
    width: 100%;
}

.mobile-nav li a {
    display: block;
    padding: 14px 0;
    text-decoration: none;
    color: var(--dark-gray);
    font-size: 18px;
    font-weight: 400;
    border-bottom: 1px solid rgba(0,0,0,0.03);
    font-family: 'Playfair Display', serif;
}

.mobile-nav li:last-child a {
    border-bottom: none;
}

.mobile-nav li a:hover {
    color: var(--black);
    padding-left: 5px;
}

.mobile-contact-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0 10px;
    margin-top: 15px;
    border-top: 2px solid var(--beige);
}

.mobile-contact-line .phone-block {
    align-items: flex-start;
}

.mobile-contact-line .phone-number {
    font-size: 18px;
}

.mobile-contact-line .phone-label {
    font-size: 12px;
}

.mobile-contact-line .whatsapp-icon {
    width: 44px;
    height: 44px;
}

.mobile-contact-line .btn-contact {
    padding: 8px 20px;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 90vh;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    padding: 0;
    margin-top: 80px;
    position: relative;
}

.hero:before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 30%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(233, 221, 208, 0.2) 100%);
}

.hero-content {
    max-width: 800px;
    margin-left: 5%;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 56px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--black);
    line-height: 1.2;
}

.hero p.main-text {
    font-size: 20px;
    margin-bottom: 25px;
    color: var(--dark-gray);
    font-weight: 300;
    max-width: 600px;
}

.hero p.sub-text {
    font-size: 15px;
    color: var(--gray);
    margin-bottom: 40px;
    letter-spacing: 0.5px;
    line-height: 1.8;
}

.button {
    display: inline-block;
    padding: 16px 38px;
    border: 1.5px solid var(--black);
    text-decoration: none;
    color: var(--black);
    font-size: 14px;
    letter-spacing: 1.5px;
    transition: all 0.3s;
    background: transparent;
    border-radius: 40px;
    text-transform: uppercase;
    font-weight: 500;
}

.button:hover {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}


/* ===== PAGE EXPERTISE ===== */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    padding: 60px 0;
}

.expertise-card {
    background: var(--white);
    padding: 40px 30px;
    border: 1px solid rgba(0,0,0,0.03);
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}

.expertise-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: var(--gold-accent);
    transition: height 0.4s;
}

.expertise-card:hover {
    box-shadow: 0 15px 30px rgba(0,0,0,0.05);
    transform: translateY(-5px);
}

.expertise-card:hover:before {
    height: 100%;
}

.expertise-card h3 {
    font-size: 22px;
    margin-bottom: 20px;
    font-weight: 500;
}

.expertise-card p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 25px;
}

.expertise-card .visuel {
    width: 100%;
    height: 180px;
    background: var(--light-gray);
    margin-top: 20px;
    background-size: cover;
    background-position: center;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.expertise-card:hover .visuel {
    opacity: 1;
}

/* ===== PAGE À PROPOS ===== */
.about-section {
    padding: 60px 0;
}

.about-content {
    max-width: 800px;
    margin-bottom: 60px;
}

.about-content p {
    font-size: 17px;
    margin-bottom: 25px;
    color: var(--dark-gray);
    line-height: 1.8;
}

.about-highlight {
    background: var(--light-gray);
    padding: 50px;
    margin: 40px 0;
    border-left: 4px solid var(--gold-accent);
}

.about-highlight h3 {
    font-size: 26px;
    margin-bottom: 25px;
    font-weight: 500;
}

.about-highlight p {
    font-size: 16px;
    color: var(--dark-gray);
    margin-bottom: 20px;
}

/* ===== PAGE CONTACT ===== */
.contact-section {
    padding: 60px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    background: var(--light-gray);
    padding: 50px;
}

.contact-info h3 {
    font-size: 28px;
    margin-bottom: 30px;
    font-weight: 500;
}

.contact-detail {
    margin-bottom: 30px;
}

.contact-detail .label {
    font-size: 14px;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
    display: block;
}

.contact-detail .value {
    font-size: 20px;
    color: var(--black);
    font-family: 'Playfair Display', serif;
    line-height: 1.4;
}

.contact-detail .value a {
    color: var(--black);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s;
}

.contact-detail .value a:hover {
    border-bottom-color: var(--gold-accent);
}

.whatsapp-button {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 15px 30px;
    background: var(--white);
    border: 1.5px solid var(--gold-accent);
    border-radius: 40px;
    text-decoration: none;
    color: var(--black);
    margin-top: 30px;
    transition: all 0.3s;
}

.whatsapp-button:hover {
    background: var(--gold-accent);
    color: var(--white);
}

.whatsapp-button svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

.contact-quote {
    font-size: 24px;
    font-family: 'Playfair Display', serif;
    color: var(--gray);
    font-style: italic;
    margin-top: 40px;
    position: relative;
    padding-left: 30px;
}

.contact-quote:before {
    content: '"';
    position: absolute;
    left: 0;
    top: -10px;
    font-size: 50px;
    color: var(--gold-accent);
    font-family: serif;
}

/* ===== FOOTER ===== */
footer {
    padding: 50px 0 30px;
    text-align: center;
    background: var(--light-gray);
    font-size: 14px;
    color: var(--gray);
    letter-spacing: 0.5px;
    margin-top: 60px;
    border-top: 1px solid rgba(0,0,0,0.03);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 46px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .menu-icon {
        display: block;
    }
    
    .header-contact {
        display: none;
    }
    
    .mobile-nav.show {
        display: flex;
    }
    
    nav {
        flex-wrap: wrap;
    }
    
    .menu-icon {
        order: 2;
    }
    
    .logo {
        order: 1;
    }
    
    .mobile-nav {
        order: 3;
        margin-top: 15px;
    }
    
    .hero {
        margin-top: 80px;
        min-height: 80vh;
    }
    
    .hero h1 {
        font-size: 38px;
    }
    
    .hero p.main-text {
        font-size: 18px;
    }
    
    .slide {
        flex-direction: column;
    }
    
    .slide-content {
        padding: 40px 30px;
    }
    
    .slide-content h3 {
        font-size: 28px;
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .about-highlight {
        padding: 30px;
    }
    
    .contact-info {
        padding: 30px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 32px;
    }
    
    .hero p.main-text {
        font-size: 16px;
    }
    
    .slide-content {
        padding: 30px 20px;
    }
    
    .slide-content h3 {
        font-size: 24px;
    }
    
    .button {
        padding: 14px 30px;
    }
    
    .contact-quote {
        font-size: 20px;
    }
}