/* Variables de couleur et reset */
:root {
    --primary: #2c5e3b; /* Vert Forêt */
    --accent: #a67c52;  /* Couleur Bois/Marron */
    --dark: #222;
    --light: #f9f6f0;
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--light);
    color: var(--dark);
    overflow-x: hidden;
}

/* Barre de navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background: rgba(255, 255, 255, 0.95);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--dark);
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s;
}

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

.btn-nav {
    background: var(--primary);
    color: var(--white) !important;
    padding: 10px 20px;
    border-radius: 5px;
    transition: background 0.3s !important;
}

.btn-nav:hover {
    background: var(--accent);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://images.unsplash.com/photo-1546482502-043741162bd5?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero-content h1 span {
    color: var(--accent);
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 30px;
}

.btn-main {
    display: inline-block;
    padding: 15px 35px;
    background: var(--accent);
    color: var(--white);
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
    transition: transform 0.3s, background 0.3s;
}

.btn-main:hover {
    transform: translateY(-3px);
    background: #bd8f60;
}

/* Titres de section */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin: 80px 0 40px;
    position: relative;
    color: var(--primary);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--accent);
    margin: 10px auto 0;
}

/* Services */
.services {
    padding: 40px 8%;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.service-card .icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
}

/* À Propos */
.about {
    padding: 80px 8%;
    background: #f0ede6;
}

.about-container {
    display: flex;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}

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

.about-text h2 {
    font-size: 2.3rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.about-image {
    flex: 1;
    min-width: 300px;
    height: 350px;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 1.5rem;
}

/* Contact */
.contact {
    padding: 40px 8% 80px;
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    outline: none;
    font-size: 1rem;
    transition: border 0.3s;
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--primary);
}

.btn-submit {
    width: 100%;
    padding: 15px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit:hover {
    background: var(--accent);
}

.success-msg {
    text-align: center;
    color: green;
    font-weight: bold;
    margin-bottom: 20px;
}

/* Footer */
footer {
    background: var(--dark);
    color: var(--white);
    text-align: center;
    padding: 30px;
    font-size: 0.9rem;
}

/* Responsive / Menu Burger Mobile */
.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--dark);
    margin: 5px;
    transition: all 0.3s ease;
}

@media screen and (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0px;
        height: 92vh;
        top: 8vh;
        background-color: var(--white);
        flex-direction: column;
        width: 100%;
        transform: translateX(100%);
        transition: transform 0.5s ease-in;
        justify-content: space-around;
        padding: 50px 0;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
    }
    .nav-links li { margin: 0; }
    .burger { display: block; }
    .hero-content h1 { font-size: 2.3rem; }
}

.nav-active {
    transform: translateX(0%);
}