@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');
:root {
    --main-brand-color: #297AE3;
    --primary-color: #15171C;
    --secondary-color: #232933;
    --light-secondary-color: #2E3744;
    --text-color: white;
    --secondary-text-color: #B3B4B6;
}
*{
    margin: 0;
    padding: 0;
}
ul {
    margin-left: 100px;
}
body{    
    min-height: 100vh;
    background-color: var(--primary-color);
    font-family: 'Poppins' sans-serif;
    font-size: 20px;
    color: var(--text-color);
    cursor: url('images/mouse_normal.png') 0 0, auto;
}
h1{
    margin-top: 50px;
    font-size: 100px;
    line-height: 115%;
    text-align: center;
}
h2 {
    margin-top: 50px;
    margin-left: 10px;
    text-align: left;
    font-size: 1.5rem;
    white-space: pre_wrap;    
}
h3{
    font-size: 30px;
}
h4 {
    margin-left: 10px;
}
.subheading{    
    margin-top: 35px;
    margin-left: 10px;
    font-size: 1.5rem;
    color: var(--secondary-text-color);
    white-space: pre-wrap;
    text-align: center;    
}
.image-text-container {
    margin-top: 70px;
    margin-left: 10px;
    display: flex;
    align-items: center;
}
.mail-offer {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.image {
    margin-right: 5px;
}
.copyright {
    margin-top: 70px;
    font-size: 14px;
    color: var(--secondary-text-color);
    text-align: center;
}
.subheading_1{  
    margin-top: 35px;
    font-size: 1.5rem;
    color: var(--secondary-text-color);
    white-space: pre-wrap;
    text-align: left;
}
.subheading_2{    
    margin-top: 70px;
    margin-bottom: 10px;
    font-size: 1.5rem;
    color: var(--secondary-text-color);
    white-space: pre-wrap;
    text-align: center;    
}
.footer-ul {
    display: flex;
    justify-content: center;
    width: 100%;
    list-style: none;
}
.footer-li {
    margin: 0 10px;
}
#calendar-frame {
    display: block;
    margin: 50px auto;
    width: 95%;    
    height: 550px;
}
@media (max-width: 800px) {
    body {
        display: block; /* Verhindert Flexbox-Probleme */
        font-size: 18px; /* Etwas kleinere Schrift für Lesbarkeit */
        padding: 10px; /* Mehr Platz an den Rändern */
    }

    h1 {
        font-size: 10vw; /* Passt sich dynamisch der Bildschirmbreite an */
        margin-top: 20px;
    }

    h3 {
        font-size: 24px;
    }

    .subheading, .subheading_1, .subheading_2 {
        font-size: 1.2rem;
        text-align: center; /* Alle Subheadings mittig */
    }

    .image-text-container {
        flex-direction: column; /* Stapelt Bild und Text untereinander */
        align-items: center;
        margin-top: 30px;
    }

    .image {
        margin: 0 auto; /* Bild zentrieren */
        max-width: 90%; /* Verhindert Überlauf */
    }

    .footer-ul {
        flex-direction: column; /* Links untereinander */
        align-items: center;
    }

    .footer-li {
        margin: 5px 0;
    }

    #calendar-frame {
        width: 100%; /* Volle Breite für mobile Ansicht */
        height: auto; /* Automatische Höhe für bessere Anpassung */
    }
}