/* Styles globaux pour le catalogue de terrazzo époxy */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;600;700&family=Open+Sans:wght@300;400;600;700&display=swap');

:root {
    /* Palette de couleurs */
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-dark-gray: #333333;
    --color-medium-gray: #777777;
    --color-light-gray: #F5F5F5;
    --color-very-light-gray: #EEEEEE;
    --color-terracotta: #E27D60;
    --color-blue-gray: #85A9C5;
    --color-sage-green: #8DB596;
    
    /* Espacement */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--color-dark-gray);
    background-color: var(--color-white);
    line-height: 1.6;
}

/* Navigation */
.navbar {
    background-color: var(--color-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0.5rem 0;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--spacing-lg);
}

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

.navbar-logo img {
    height: 40px;
    margin-right: var(--spacing-sm);
}

.navbar-logo-text {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-dark-gray);
}

.navbar-menu {
    display: flex;
    list-style: none;
}

.navbar-item {
    margin-left: var(--spacing-md);
}

.navbar-link {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-dark-gray);
    text-decoration: none;
    transition: color 0.3s;
    padding: 0.5rem 0;
    position: relative;
}

.navbar-link:hover {
    color: var(--color-terracotta);
}

.navbar-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-terracotta);
    transition: width 0.3s;
}

.navbar-link:hover::after {
    width: 100%;
}

.navbar-link.active {
    color: var(--color-terracotta);
}

.navbar-link.active::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-dark-gray);
    cursor: pointer;
}

/* Conteneur principal */
.main-content {
    max-width: 1200px;
    margin: 80px auto 0;
    padding: var(--spacing-lg);
}

/* En-têtes de section */
.section-header {
    position: relative;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-very-light-gray);
}

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 28px;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    font-family: 'Montserrat', sans-serif;
    font-weight: 400;
    font-size: 18px;
    color: var(--color-medium-gray);
}

/* Mise en page flexible */
.content-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.text-column {
    flex: 1;
    min-width: 300px;
}

.image-column, .image-gallery {
    flex: 1;
    min-width: 300px;
}

/* Typographie */
p {
    margin-bottom: var(--spacing-sm);
}

.intro-paragraph {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

/* Images et galeries */
.image-container {
    margin-bottom: var(--spacing-md);
}

.image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 75%; /* Ratio 4:3 */
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-medium-gray);
    font-style: italic;
    font-size: 14px;
    text-align: center;
    padding: var(--spacing-sm);
}

.image-caption {
    font-size: 12px;
    color: var(--color-medium-gray);
    text-align: center;
    font-style: italic;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-gap: var(--spacing-sm);
}

/* Boîtes et encadrés */
.info-box {
    background-color: var(--color-light-gray);
    padding: var(--spacing-md);
    border-radius: 4px;
    margin: var(--spacing-md) 0;
}

.info-box-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 18px;
    margin-bottom: var(--spacing-sm);
}

/* Listes */
.feature-list {
    list-style-type: none;
    padding: 0;
}

.feature-list li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-very-light-gray);
    display: flex;
    align-items: center;
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li:before {
    content: "•";
    color: var(--color-terracotta);
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-right: 0.5rem;
}

/* Pied de page */
.footer {
    background-color: var(--color-light-gray);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.footer-column {
    flex: 1;
    min-width: 250px;
    margin-bottom: var(--spacing-lg);
}

.footer-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 18px;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark-gray);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.footer-contact-icon {
    margin-right: var(--spacing-sm);
    color: var(--color-terracotta);
}

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

.footer-link {
    margin-bottom: var(--spacing-xs);
}

.footer-link a {
    color: var(--color-dark-gray);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-link a:hover {
    color: var(--color-terracotta);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-very-light-gray);
    margin-top: var(--spacing-lg);
    font-size: 14px;
    color: var(--color-medium-gray);
}

/* Boutons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background-color: var(--color-terracotta);
    color: var(--color-white);
    border: none;
}

.btn-primary:hover {
    background-color: #d86e51;
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-terracotta);
    border: 2px solid var(--color-terracotta);
}

.btn-secondary:hover {
    background-color: var(--color-terracotta);
    color: var(--color-white);
}

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

.form-label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: var(--spacing-xs);
}

.form-input, .form-textarea, .form-select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #DDDDDD;
    border-radius: 4px;
    font-family: 'Open Sans', sans-serif;
    font-size: 14px;
}

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

/* Responsive */
@media (max-width: 768px) {
    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-sm) 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }
    
    .navbar-menu.active {
        display: flex;
    }
    
    .navbar-item {
        margin: 0;
        width: 100%;
        text-align: center;
    }
    
    .navbar-link {
        display: block;
        padding: var(--spacing-sm) 0;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .image-gallery {
        grid-template-columns: 1fr;
    }
    
    .content-container {
        flex-direction: column;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 1s ease-in-out;
}

/* Styles spécifiques pour chaque section */
/* Page d'accueil / Couverture */
.cover-container {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cover-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-blue-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    font-style: italic;
}

.cover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg);
}

.cover-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 36px;
    color: white;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.cover-subtitle {
    font-family: 'Montserrat', sans-serif;
    font-weight: 300;
    font-size: 20px;
    color: white;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

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

/* Table des matières */
.toc-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-very-light-gray);
}

.toc-item:last-child {
    border-bottom: none;
}

.toc-number {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 24px;
    color: var(--color-terracotta);
    margin-right: var(--spacing-md);
    min-width: 40px;
}

.toc-content {
    flex: 1;
}

.toc-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 18px;
    margin-bottom: var(--spacing-xs);
}

.toc-description {
    font-size: 14px;
    color: var(--color-medium-gray);
}

.toc-page {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 16px;
    color: var(--color-blue-gray);
    margin-left: var(--spacing-md);
}

/* Processus de création */
.process-step {
    display: flex;
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.process-step:last-child {
    margin-bottom: 0;
}

.process-step:not(:last-child):after {
    content: "";
    position: absolute;
    top: 80px;
    left: 40px;
    width: 2px;
    height: calc(100% + 3rem);
    background-color: var(--color-very-light-gray);
    z-index: -1;
}

.step-number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--color-sage-green);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 24px;
    margin-right: var(--spacing-lg);
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
}

/* Palette de couleurs */
.color-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-gap: var(--spacing-sm);
}

.color-sample {
    position: relative;
    width: 100%;
    padding-top: 100%; /* 1:1 Aspect Ratio */
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.color-name {
    font-size: 12px;
    color: var(--color-medium-gray);
    text-align: center;
    margin-top: var(--spacing-xs);
}

/* Témoignages */
.testimonial {
    background-color: var(--color-light-gray);
    padding: var(--spacing-md);
    border-radius: 4px;
    margin-top: var(--spacing-xl);
    position: relative;
}

.testimonial:before {
    content: """;
    position: absolute;
    top: -20px;
    left: 20px;
    font-size: 60px;
    color: var(--color-sage-green);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-text {
    font-style: italic;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.testimonial-author {
    font-weight: 600;
    font-size: 14px;
    text-align: right;
}

.testimonial-project {
    font-size: 12px;
    color: var(--color-medium-gray);
    text-align: right;
}

/* Bouton retour en haut */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background-color: var(--color-terracotta);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
}

.back-to-top:hover {
    background-color: #d86e51;
}