/* --- VARIABLES DE COULEURS --- */
:root {
    --primary-color: #2c3e50;
    /* Bleu foncé professionnel */
    --accent-color: #e67e22;
    /* Orange dynamique pour les boutons */
    --bg-color: #f8f9fa;
    /* Gris très clair pour le fond */
    --text-color: #333333;
    --white: #ffffff;
}

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

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

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

/* --- HEADER & NAVBAR --- */
header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-links a {
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* --- CONTENEUR PRINCIPAL --- */
main {
    max-width: 85%;
    margin: 0 auto;
    padding: 40px 20px;
    min-height: 80vh;
    /* Permet au footer de rester en bas */
}

/* --- SECTION HERO (Présentation) --- */
.hero {
    text-align: center;
    padding: 40px 20px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
}

.hero h1 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 30px auto;
}

.btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #d35400;
}

/* --- SECTION SERVICES --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.service-card {
    background: var(--white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border-top: 4px solid var(--primary-color);
}

.service-card h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.service-card ul {
    list-style-type: none;
    padding-left: 0;
}

.service-card li {
    margin-bottom: 5px;
    font-size: 0.95rem;
}

.service-card li::before {
    content: "✓ ";
    color: var(--accent-color);
    font-weight: bold;
}

/* --- FOOTER --- */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}

/* --- RESPONSIVE DESIGN --- */
@media (max-width: 600px) {
    .navbar {
        flex-direction: column;
        gap: 15px;
    }
}

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

label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
}

select {
    width: 100%;
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

#calendly-container {
    margin-top: 30px;
    height: 700px;
}

iframe {
    width: 100%;
    height: 100%;
    border: none;
}