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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f0f2f5;
    padding: 20px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

.card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
    padding: 30px;
    margin-bottom: 20px;
}

h1 {
    color: #2c3e50;
    font-size: 24px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
}

h2 {
    color: #2c3e50;
    font-size: 20px;
    margin: 20px 0 10px;
}

p {
    margin-bottom: 10px;
}

ul {
    list-style: none;
    margin-left: 20px;
    margin-bottom: 20px;
}

li {
    margin-bottom: 8px;
}

a {
    color: #3498db;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Kontaktformular */
.form-group {
    margin-bottom: 20px;
    position: relative;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

input,
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    font-size: 16px;
    transition: border-color 0.3s;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

textarea {
    height: 150px;
    resize: vertical;
}

.checkbox-container {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.checkbox-container input {
    width: auto;
    margin-right: 10px;
    margin-top: 3px;
}

button {
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 12px 0;
    width: 100%;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

button:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

button:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

button.animate {
    animation: pulse 0.6s;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(0.95);
    }

    100% {
        transform: scale(1);
    }
}

.error-message {
    color: #e74c3c;
    font-size: 14px;
    margin-top: 5px;
    display: none;
}

.char-count {
    position: absolute;
    right: 10px;
    bottom: 10px;
    font-size: 12px;
    color: #7f8c8d;
    background: rgba(255, 255, 255, 0.8);
    padding: 2px 5px;
    border-radius: 3px;
}

.success-message,
.error-message {
    margin-top: 15px;
    padding: 10px;
    border-radius: 4px;
    display: none;
    animation: slideIn 0.5s forwards;
}

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

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

footer {
    background-color: #2c3e50;
    color: #fff;
    text-align: center;
    padding: 15px 0;
    margin-top: 30px;
    border-radius: 5px;
}

.required::after {
    content: " *";
    color: red;
}

.icon {
    position: absolute;
    right: 10px;
    top: 40px;
    font-size: 16px;
    display: none;
}

.success {
    color: #2ecc71;
}

.error {
    color: #e74c3c;
}