/* Variables CSS pour la palette de couleurs */
:root {
    /* Couleurs principales */
    --noir-elegant: #1A1A1A;
    --blanc-pur: #FFFFFF;
    --or-dore: #D4AF37;
    
    /* Couleurs secondaires */
    --gris-clair: #F5F5F5;
    --gris-fonce: #333333;
    --vert-emeraude: #50C878;
    
    /* Espacement */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* Bordures */
    --border-radius-sm: 3px;
    --border-radius-md: 5px;
    --border-radius-lg: 10px;
    
    /* Ombres */
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--noir-elegant);
    background-color: var(--blanc-pur);
    line-height: 1.6;
}

/* Typographie */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
}

h3 {
    font-size: 2rem;
    font-weight: 600;
}

h4 {
    font-size: 1.5rem;
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--noir-elegant);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--or-dore);
}

/* Conteneurs */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-lg) 0;
}

/* Header et Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--blanc-pur);
    box-shadow: var(--shadow-light);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
}

.logo-text {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-left: var(--spacing-xs);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: var(--spacing-md);
}

nav ul li a {
    font-weight: 500;
    padding: var(--spacing-xs) 0;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--or-dore);
    transition: width 0.3s ease;
}

nav ul li a:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Boutons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--or-dore);
    color: var(--blanc-pur);
    border: none;
}

.btn-primary:hover {
    background-color: var(--noir-elegant);
    color: var(--blanc-pur);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--noir-elegant);
    border: 2px solid var(--or-dore);
}

.btn-secondary:hover {
    background-color: var(--or-dore);
    color: var(--blanc-pur);
    transform: translateY(-2px);
}

.btn-contact {
    background-color: var(--noir-elegant);
    color: var(--blanc-pur);
    border: none;
}

.btn-contact:hover {
    background-color: var(--or-dore);
    color: var(--blanc-pur);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    margin-top: 60px; /* Pour compenser le header fixe */
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--blanc-pur);
    max-width: 600px;
}

.hero h1 {
    margin-bottom: var(--spacing-sm);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

/* Sections */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title h2 {
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--or-dore);
}

/* Avantages */
.advantages {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.advantage-card {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    background-color: var(--blanc-pur);
    box-shadow: var(--shadow-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.advantage-icon {
    font-size: 2.5rem;
    color: var(--or-dore);
    margin-bottom: var(--spacing-sm);
}

/* Process Steps */
.process-steps {
    counter-reset: step;
}

.step {
    display: flex;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.step-number {
    flex: 0 0 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--or-dore);
    color: var(--blanc-pur);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-right: var(--spacing-md);
}

.step-number::before {
    counter-increment: step;
    content: counter(step);
}

.step-content {
    flex: 1;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 80px;
    left: 40px;
    width: 2px;
    height: calc(100% - 40px);
    background-color: var(--gris-clair);
}

/* Témoignages */
.testimonials {
    background-color: var(--gris-clair);
    padding: var(--spacing-lg) 0;
}

.testimonial-card {
    background-color: var(--blanc-pur);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-light);
    margin: 0 var(--spacing-sm);
}

.testimonial-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: var(--spacing-sm);
}

.testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-author {
    font-weight: 600;
}

.testimonial-quote {
    font-style: italic;
    position: relative;
    padding: 0 var(--spacing-sm);
}

.testimonial-quote::before,
.testimonial-quote::after {
    content: '"';
    font-size: 2rem;
    color: var(--or-dore);
    position: absolute;
}

.testimonial-quote::before {
    top: -10px;
    left: 0;
}

.testimonial-quote::after {
    bottom: -20px;
    right: 0;
}

/* Formulaires */
.form-group {
    margin-bottom: var(--spacing-md);
    position: relative;
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--gris-clair);
    border-radius: var(--border-radius-sm);
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--or-dore);
    box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.2);
}

.form-label {
    position: absolute;
    top: 50%;
    left: var(--spacing-sm);
    transform: translateY(-50%);
    transition: all 0.3s ease;
    pointer-events: none;
    color: var(--gris-fonce);
}

.form-control:focus + .form-label,
.form-control:not(:placeholder-shown) + .form-label {
    top: 0;
    transform: translateY(-50%) scale(0.8);
    background-color: var(--blanc-pur);
    padding: 0 var(--spacing-xs);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

textarea.form-control + .form-label {
    top: 25px;
}

/* Contact Section */
.contact-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-method {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    background-color: var(--blanc-pur);
    box-shadow: var(--shadow-light);
}

.contact-icon {
    font-size: 2rem;
    color: var(--or-dore);
    margin-bottom: var(--spacing-sm);
}

/* Footer */
footer {
    background-color: var(--noir-elegant);
    color: var(--blanc-pur);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.footer-logo {
    margin-bottom: var(--spacing-sm);
}

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

.footer-links h4 {
    color: var(--or-dore);
    margin-bottom: var(--spacing-md);
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-links ul li a {
    color: var(--blanc-pur);
}

.footer-links ul li a:hover {
    color: var(--or-dore);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--gris-fonce);
    color: var(--blanc-pur);
    transition: background-color 0.3s ease;
}

.social-link:hover {
    background-color: var(--or-dore);
}

.copyright {
    text-align: center;
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-md);
    border-top: 1px solid var(--gris-fonce);
}

/* Calculateur d'estimation */
.calculator {
    background-color: var(--blanc-pur);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-medium);
    max-width: 600px;
    margin: 0 auto;
}

.calculator-title {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.calculator-result {
    background-color: var(--gris-clair);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    margin-top: var(--spacing-md);
    text-align: center;
}

.result-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--vert-emeraude);
}

/* Galerie */
.gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-sm);
}

.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--blanc-pur);
    padding: var(--spacing-sm);
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeIn {
    animation: fadeIn 0.8s ease forwards;
}

/* Utilitaires */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.gold-text {
    color: var(--or-dore);
}

.bg-light {
    background-color: var(--gris-clair);
}

.bg-dark {
    background-color: var(--noir-elegant);
    color: var(--blanc-pur);
}

.divider {
    width: 100%;
    height: 1px;
    background-color: var(--gris-clair);
    margin: var(--spacing-md) 0;
}

.divider-gold {
    width: 50px;
    height: 3px;
    background-color: var(--or-dore);
    margin: var(--spacing-sm) auto;
}