/* Grundfarben */
:root {
    --main-blue: #2645d8;
    --hover-blue: #1a35b0;
    --text-color: #333333;
    --bg-color: #f7f8fa;
}

/* Allgemein */
body {
    font-family: 'Arial', sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
}

/* Header mit Logo */
header {
    background: linear-gradient(135deg, #2645d8, #1a35b0);
    color: #fff;
    padding: 20px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

header h1 {
    font-size: 2.2rem;
    margin: 0;
}

header .logo img {
    height: 60px;
}

nav {
    margin-top: 10px;
    width: 100%;
    text-align: center;
}

nav a {
    color: #fff;
    margin: 0 15px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
}

nav a:hover {
    color: #f0f0f0;
}

/* Buttons */
.btn-primary {
    background-color: var(--main-blue);
    color: #fff;
    border: none;
    padding: 15px 30px;
    cursor: pointer;
    border-radius: 8px;
    font-size: 1.1rem;
    display: inline-block;
    transition: background 0.3s ease;
}

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

/* Leistungen mit Icons */
ul.leistungen {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

ul.leistungen li {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Vorher-Nachher */
.vergleich {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.vergleich img {
    width: 100%;
    max-width: 400px;
    border-radius: 10px;
    border: 3px solid var(--main-blue);
}

.vergleich h3 {
    text-align: center;
    color: var(--main-blue);
    margin-top: 10px;
}

/* Kontaktformular */
form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

form input, form textarea {
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
}

form button {
    align-self: center;
}

/* Footer */
footer {
    background-color: var(--main-blue);
    color: #fff;
    text-align: center;
    padding: 25px 20px;
    margin-top: 50px;
}

/* Responsive */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        text-align: center;
    }

    nav {
        margin-top: 15px;
    }

    header .logo img {
        height: 50px;
        margin-top: 10px;
    }

    ul.leistungen {
        grid-template-columns: 1fr;
    }

    .vergleich {
        flex-direction: column;
        align-items: center;
    }
}