/* Général */
body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    color: #333;
    line-height: 1.6;
    scroll-behavior: smooth;
}

/* Hero */
.hero {
    height: 100vh;
    background: url('https://images.unsplash.com/photo-1581091215367-59ab6b8a93b5?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat fixed;
    display: flex;
    align-items: center;
    color: white;
    position: relative;
}

.hero-overlay {
    background: rgba(0,0,0,0.6);
    width: 100%;
    height: 100%;
    padding: 0 50px;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

nav .logo {
    font-size: 28px;
    font-weight: bold;
    color: #fff;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: #ff9900;
}

.hero-content {
    text-align: center;
    margin-top: 100px;
}

.hero-content h2 {
    font-size: 40px;
    margin-bottom: 20px;
    animation: slideDown 1s ease forwards;
    opacity: 0;
}

.hero-content p {
    max-width: 700px;
    margin: 0 auto 30px;
}

@keyframes slideDown {
    to {
        opacity: 1;
        transform: translateY(0);
    }
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
}

.btn {
    background: #ff9900;
    color: white;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.3s, transform 0.3s;
}

.btn:hover {
    background: #e67e00;
    transform: scale(1.05);
}

/* Sections */
.section {
    padding: 80px 20px;
    text-align: center;
}

/* Services */
.services .service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.card {
    background: #fff;
    border-radius: 10