:root {
    --primary-color: #8B4513;
    --secondary-color: #2d5016;
    --accent-color: #D2691E;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ==========================================
   NAVIGATION
   ========================================== */

.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
    background: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
}

/* ==========================================
   HERO SECTION (Page Accueil)
   ========================================== */

.hero {
    position: relative;
    height: 600px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    overflow: hidden;
}

.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
                url('images/fond.JPEG');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

.btn-call {
    width: 100%;
    text-align: center;
}

/* ==========================================
   PAGE HEADER (Pages internes)
   ========================================== */

.page-header {
    background: url('images/wood-texture.png') center/cover;
    position: relative;
    color: white;
    padding: 80px 0 60px;
    text-align: center;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(101, 67, 33, 0.75);
    z-index: 1;
}

.page-header .container {
    position: relative;
    z-index: 2;
}
.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* ==========================================
   PRESENTATION (Page Accueil)
   ========================================== */

.presentation {
    padding: 5rem 0;
    background: var(--white);
}

.presentation-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.presentation-text h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.presentation-text p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.presentation-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-icon {
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.presentation-image img {
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
}

/* ==========================================
   SERVICES QUICK (Page Accueil)
   ========================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: rgba(139, 90, 43, 0.3);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
    width: 100%;
}

.service-icon img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    display: block;
    margin: 0 auto;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.service-card p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
}
/* ==========================================
   SERVICES DETAILED (Page Services)
   ========================================== */

.services-detailed {
    padding: 3rem 0;
}

.service-detail {
    margin-bottom: 5rem;
    padding-bottom: 3rem;
    border-bottom: 2px solid var(--bg-light);
}

.service-detail:last-child {
    border-bottom: none;
}

.service-detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.service-detail-content.reverse {
    grid-template-columns: 1fr 1fr;
}

.service-detail-content.reverse .service-detail-text {
    order: 2;
}

.service-detail-content.reverse .service-detail-gallery {
    order: 1;
}

.service-detail-text h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-lead {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.service-detail-text h3 {
    color: var(--secondary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.service-list {
    list-style: none;
    margin-bottom: 2rem;
}

.service-list li {
    padding: 0.5rem 0;
    color: var(--text-dark);
    font-size: 1.1rem;
}

.service-cta {
    margin-top: 2rem;
}

.service-detail-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.service-detail-gallery img {
    border-radius: 10px;
    box-shadow: var(--shadow);
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.service-detail-gallery img:first-child {
    grid-column: 1 / -1;
    height: 300px;
}

/* ==========================================
   GALLERY (Page Réalisations)
   ========================================== */

.gallery-filters {
    padding: 2rem 0;
    text-align: center;
    background: var(--bg-light);
}

.filter-btn {
    background: var(--white);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 10px 25px;
    margin: 0 0.5rem 0.5rem;
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--white);
}

.gallery {
    padding: 3rem 0 5rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: var(--shadow);
    cursor: pointer;
    height: 300px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: var(--white);
    padding: 2rem 1.5rem 1.5rem;
    transform: translateY(100%);
    transition: var(--transition);
}

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

.gallery-overlay h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.gallery-overlay p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    justify-content: center;
    align-items: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    border-radius: 10px;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 40px;
    font-size: 3rem;
    color: var(--white);
    cursor: pointer;
}

.lightbox-caption {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 1.2rem;
    text-align: center;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */

.contact-section {
    padding: 3rem 0 5rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
}

.contact-form-wrapper h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.contact-form {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-checkbox {
    display: flex;
    align-items: start;
    gap: 0.5rem;
}

.form-checkbox input {
    width: auto;
    margin-top: 4px;
}

.form-checkbox label {
    margin: 0;
    font-weight: normal;
    font-size: 0.9rem;
}

.form-note {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 1rem;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 5px;
    display: none;
}

.form-message.success {
    display: block;
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Contact Info Cards */
.contact-info-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-info-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.contact-info-card h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.contact-info-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: start;
}

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

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-info-item h4 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.contact-info-item a {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.1rem;
}

.contact-info-item a:hover {
    text-decoration: underline;
}

.contact-hours {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

.why-choose-list {
    list-style: none;
}

.why-choose-list li {
    padding: 0.8rem 0;
    border-bottom: 1px solid #ddd;
    font-size: 1.05rem;
}

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

.urgence-card {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
}

.urgence-card h3 {
    color: var(--white);
}

.urgence-card p {
    margin-bottom: 1.5rem;
}

/* ==========================================
   FAQ SECTION
   ========================================== */

.faq-section {
    padding: 5rem 0;
    background: var(--bg-light);
}

.faq-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.faq-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.faq-item h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.faq-item p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ==========================================
   CTA SECTION
   ========================================== */

.cta-section {
    background: linear-gradient(135deg, #8B4513 0%, #556B2F 100%);
    padding: 80px 0;
    text-align: center;
    color: white;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
    background: url('images/wood-texture.png') center/cover;
    position: relative;
    color: white;
    padding: 60px 0 20px;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(45, 35, 25, 0.85);
    z-index: 1;
}

.footer .container {
    position: relative;
    z-index: 2;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer h3,
.footer h4 {
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-about p {
    opacity: 0.8;
    line-height: 1.8;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.footer-contact p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow);
    }

    .nav-menu.active {
        display: flex;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .presentation-content,
    .service-detail-content,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .service-detail-content.reverse .service-detail-text,
    .service-detail-content.reverse .service-detail-gallery {
        order: unset;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .service-detail-gallery {
        grid-template-columns: 1fr;
    }

    .service-detail-gallery img:first-child {
        grid-column: 1;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }

    .presentation-features {
        grid-template-columns: 1fr;
    }
}