html, body {
    height: 100%;
    padding: 0;
    display: flex;
    flex-direction: column;
    margin: 0;
    font-family: 'Segoe UI',
    sans-serif;
    background: #f5f5f5;
    color: #333;
    }

header {
    background: #1f3b57;
    color: white;
    padding: 1em 2em;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    }

nav a {
    color: white;
    margin: 0 1em;
    text-decoration: none;
    }

.hero {
    background: #e0ecf5;
    center/cover no-repeat;
    padding: 4em 2em;
    text-align: center;
    }

.hero h1 {
    font-size: 2em;
    margin-bottom: 1em;
    }

.hero .cta {
    margin-top: 1.5em;
    }

.section {
    padding: 3em 2em;
    text-align: center;
    padding: 3em 2em;
    max-width: 1200px;
    margin: auto;
    }

.services, .projects {
    display: flex;
    justify-content: center;
    gap: 2em;
    flex-wrap: wrap;
    }

.section h1 {
    text-align: center;
    margin-bottom: 2em;
    }

.service-block {
    background: white;
    padding: 2em;
    margin-bottom: 2em;
    border-radius: 8px;
    box-shadow: 0 0 8px rgba(0,0,0,0.05);
    }

.project-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2em;
    justify-content: center;
    }

.project-card {
    background: white;
    padding: 1.5em;
    border-radius: 8px;
    width: 300px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
    }

.project-card img {
    width: 100%;
    border-radius: 6px;
    margin-bottom: 1em;
    }

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2em;
    }
.tech-item {
    text-align: center;
    background: white;
    padding: 1.5em;
    border-radius: 8px;
    width: 200px;
    box-shadow: 0 0 8px rgba(0,0,0,0.05);
    }
.tech-item img {
    height: 60px;
    margin-bottom: 1em;
    }
.diagram {
    margin-top: 3em;
    text-align: center;
    }
.diagram img {
    max-width: 100%;
    height: auto;
    border: 1px solid #ccc;
    border-radius: 6px;
    }

.pricing-grid {
    display: flex;
    gap: 2em;
    flex-wrap: wrap;
    justify-content: center;
    }
.plan {
    background: white;
    padding: 2em;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
    width: 300px;
    }
.plan h2 {
    color: #1f3b57;
    }
.plan ul {
    list-style: none;
    padding: 0;
    margin: 1em 0;
    }
.plan ul li {
    margin: 0.5em 0;
    }
.price {
    font-size: 1.8em;
    color: #222;
    margin: 0.5em 0;
    }

.team {
    display: flex;
    flex-wrap: wrap;
    gap: 2em;
    justify-content:
    center;
    margin-top: 3em;
    }
.team-member {
    text-align: center;
    width: 200px;
    }
.team-member img {
    width: 100%;
    border-radius: 50%;
    margin-bottom: 1em;
    }
.card {
    background: white;
    padding: 1.5em;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
    width: 300px;
    }

.section-formulaire {
    max-width: none;
    padding: 0;
    width: 90%;
    text-align: center;
    padding: 3em 2em;
    margin: auto;
    }

.formulaire-contact {
    width: 90%;
    max-width: none;
    margin: 2em auto;
    padding: 2em;
    background: white;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.05);
    display: block;
}

/* Style des champs */
.formulaire-contact label {
    display: block;
    margin: 1em 0 0.5em;
    font-weight: bold;
}

.formulaire-contact input,
.formulaire-contact textarea {
    width: 100%;
    padding: 0.75em;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 1em;
}

.testimonial {
    font-style: italic;
    margin-top: 2em;
    }

footer {
    background: #1f3b57;
    color: white;
    padding: 2em;
    text-align: center;
    margin-top: 3em;
    }

@media (max-width: 768px) {
    .services, .projects {
        flex-direction: column;
        align-items: center;
        }
    }

button, .btn {
    margin-top: 1em;
    display: inline-block;
    background: #1f3b57;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    text-align: center;
    font-size: 16px;
    }

button:hover, .btn:hover {
  background-color: #0056b3;
  text-decoration: underline;
}

h2 a, h3 a {
  text-decoration: none;
  color: inherit;
}

h2 a:hover, h3 a:hover {
  text-decoration: underline;
  color: inherit;
}

.services {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2em;
}