* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    background: transparent;
    color: #173F73;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
}

.sponsor-seite {
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
    padding: 16px 14px 18px;
    background: #ffffff;
    border: 1px solid #d9d9d9;
    border-radius: 8px;
}

.seiten-kopf {
    text-align: center;
    margin-bottom: 12px;
}

.rote-linie {
    width: 58px;
    height: 4px;
    margin: 0 auto 7px;
    background: #c00000;
    border-radius: 4px;
}

.seiten-kopf h1 {
    margin: 0 0 5px;
    color: #c00000;
    font-size: 23px;
    line-height: 1.25;
}

.seiten-kopf p {
    max-width: 680px;
    margin: 0 auto;
    color: #173F73;
    font-size: 16px;
    line-height: 1.4;
}

.preis-hinweis {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 11px;
    padding: 10px 12px;
    background: #173F73;
    border-radius: 7px;
    color: #ffffff;
    text-align: left;
}

.preis {
    color: #f4c96a;
    font-size: 36px;
    line-height: 1;
    font-weight: 800;
    white-space: nowrap;
}

.preis-text {
    font-size: 15px;
    line-height: 1.25;
    font-weight: 700;
}

.vorteile {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.vorteil {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 9px 11px;
    background: #f5f8fc;
    border: 1px solid #d7e0ea;
    border-left: 4px solid #c00000;
    border-radius: 7px;
}

.icon {
    flex: 0 0 36px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #c00000;
    color: #ffffff;
    font-size: 19px;
    font-weight: 700;
}

.vorteil h2 {
    margin: 0 0 2px;
    color: #c00000;
    font-size: 17px;
    line-height: 1.2;
}

.vorteil p {
    margin: 0;
    color: #173F73;
    font-size: 14px;
    line-height: 1.3;
}

.gemeinschaft {
    margin-top: 10px;
    padding: 10px 12px;
    text-align: center;
    background: #ffffff;
    border-top: 2px solid #f4c96a;
    border-bottom: 2px solid #f4c96a;
}

.gemeinschaft h2 {
    margin: 0 0 3px;
    color: #173F73;
    font-size: 18px;
    line-height: 1.25;
}

.gemeinschaft p {
    max-width: 650px;
    margin: 0 auto;
    color: #173F73;
    font-size: 14px;
    line-height: 1.35;
}

.kontakt {
    margin-top: 11px;
    padding: 13px 14px 12px;
    background: #f5f8fc;
    border: 1px solid #d7e0ea;
    border-top: 4px solid #173F73;
    border-radius: 7px;
}

.kontakt h2 {
    margin: 0 0 4px;
    color: #c00000;
    text-align: center;
    font-size: 20px;
    line-height: 1.25;
}

.kontakt-intro {
    max-width: 650px;
    margin: 0 auto 11px;
    color: #173F73;
    text-align: center;
    font-size: 14px;
    line-height: 1.35;
}

.sponsor-form {
    width: 100%;
}

.formular-zeile {
    display: flex;
    gap: 10px;
    margin-bottom: 8px;
}

.feld {
    flex: 1;
    min-width: 0;
    margin-bottom: 8px;
}

.feld label {
    display: block;
    margin-bottom: 3px;
    color: #173F73;
    font-size: 13px;
    font-weight: 700;
}

.feld label span {
    color: #c00000;
}

.feld input,
.feld textarea {
    display: block;
    width: 100%;
    padding: 8px 9px;
    border: 1px solid #bfcbd8;
    border-radius: 5px;
    background: #ffffff;
    color: #173F73;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    outline: none;
}

.feld textarea {
    min-height: 105px;
    resize: vertical;
}

.feld input:focus,
.feld textarea:focus {
    border-color: #173F73;
    box-shadow: 0 0 0 2px rgba(23, 63, 115, 0.10);
}

.checkbox {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin: 3px 0 10px;
    color: #173F73;
    font-size: 12px;
    line-height: 1.35;
}

.checkbox input {
    flex: 0 0 auto;
    margin-top: 2px;
}

.checkbox a {
    color: #173F73;
    font-weight: 700;
}

.senden {
    display: block;
    margin: 0 auto;
    padding: 9px 17px;
    border: 0;
    border-radius: 5px;
    background: #d49a00;
    color: #ffffff;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
}

.senden:hover {
    opacity: 0.88;
}

.pflichtfeld {
    margin: 6px 0 0;
    color: #667788;
    text-align: center;
    font-size: 11px;
}

.erfolg {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 12px;
    margin-bottom: 10px;
    background: #eef7ef;
    border: 1px solid #b8d8bb;
    border-left: 4px solid #2d7a35;
    border-radius: 6px;
    color: #245c2a;
    font-size: 14px;
    line-height: 1.35;
}

.erfolg strong {
    font-size: 16px;
}

.fehler {
    padding: 10px 12px;
    margin-bottom: 10px;
    background: #fff2f2;
    border: 1px solid #e3b5b5;
    border-left: 4px solid #c00000;
    border-radius: 6px;
    color: #8d0000;
    font-size: 13px;
    line-height: 1.4;
}

.fehler strong {
    font-size: 14px;
}

.fehler ul {
    margin: 4px 0 0 18px;
    padding: 0;
}

.honeypot {
    position: absolute !important;
    left: -10000px !important;
    top: auto !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
}

.zurueck {
    display: block;
    margin-top: 10px;
    color: #173F73;
    text-align: center;
    font-size: 13px;
    text-decoration: none;
}

.zurueck:hover {
    text-decoration: underline;
}

@media (max-width: 620px) {

    .sponsor-seite {
        padding: 12px 9px 15px;
    }

    .seiten-kopf h1 {
        font-size: 20px;
    }

    .seiten-kopf p {
        font-size: 14px;
    }

    .preis-hinweis {
        gap: 10px;
    }

    .preis {
        font-size: 31px;
    }

    .preis-text {
        font-size: 13px;
    }

    .formular-zeile {
        flex-direction: column;
        gap: 0;
        margin-bottom: 0;
    }

    .vorteil h2 {
        font-size: 16px;
    }

    .vorteil p {
        font-size: 13px;
    }

    .kontakt h2 {
        font-size: 18px;
    }
}