/* =========================================================
   kleinunternehmer.css – Landingpage "Rechnungsprogramm für Kleinunternehmer"
   Alle Klassen mit Präfix .ku- (keine Konflikte mit anderen Seiten)
   ========================================================= */

.ku-section {
    padding: 48px 16px 64px;
}

.ku-box {
    max-width: 980px;
    margin: 0 auto;
    background: #ffffff;
    color: #1d2a3a;
    border-radius: 14px;
    padding: 44px 48px;
    box-shadow: 0 10px 30px rgba(10, 30, 60, 0.12);
    line-height: 1.65;
    font-size: 16px;
}

.ku-box h1 {
    font-size: 32px;
    line-height: 1.25;
    color: #12305f;
    margin: 0 0 18px;
}

.ku-box h2 {
    font-size: 23px;
    color: #12305f;
    margin: 42px 0 16px;
}

.ku-box h3 {
    font-size: 18px;
    color: #1f5bb5;
    margin: 0 0 8px;
}

.ku-box p {
    margin: 0 0 14px;
}

.ku-box a {
    color: #1f5bb5;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.ku-lead {
    font-size: 18px;
    color: #2f3f55;
}

/* Tags */
.ku-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 18px 0 24px;
}

.ku-tags span {
    background: #eaf1fc;
    color: #1f5bb5;
    border: 1px solid #c9dbf5;
    border-radius: 999px;
    padding: 5px 12px;
    font-size: 13px;
    font-weight: 600;
}

/* Highlight */
.ku-highlight {
    background: #f3f7fd;
    border-left: 4px solid #1f5bb5;
    padding: 16px 20px;
    border-radius: 6px;
    font-size: 16px;
    color: #243650;
}

/* Karten */
.ku-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.ku-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.ku-card {
    border: 1px solid #dde6f2;
    border-radius: 10px;
    padding: 20px;
    background: #fbfcfe;
}

.ku-card p {
    margin: 0;
    font-size: 15px;
    color: #34465e;
}

.ku-card-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #6b7c93;
    margin-bottom: 6px;
}

/* Schritte */
.ku-steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 14px;
}

.ku-steps li {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    border: 1px solid #dde6f2;
    border-radius: 10px;
    padding: 16px 18px;
}

.ku-steps li p {
    margin: 4px 0 0;
    font-size: 15px;
    color: #34465e;
}

.ku-step-num {
    flex: 0 0 34px;
    height: 34px;
    border-radius: 50%;
    background: #1f5bb5;
    color: #fff;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Hinweis */
.ku-note {
    margin-top: 18px;
    background: #fff8e6;
    border: 1px solid #f1dca4;
    border-radius: 8px;
    padding: 14px 18px;
    font-size: 15px;
    color: #4a3d16;
}

/* Querverweise */
.ku-links {
    font-size: 15px;
    color: #4a5a70;
}

/* FAQ */
.ku-faq details {
    border: 1px solid #dde6f2;
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 10px;
    background: #fbfcfe;
}

.ku-faq summary {
    cursor: pointer;
    font-weight: 600;
    color: #12305f;
}

.ku-faq details[open] summary {
    margin-bottom: 8px;
}

.ku-faq details p {
    margin: 0;
    font-size: 15px;
    color: #34465e;
}

/* CTA */
.ku-cta {
    margin-top: 44px;
    text-align: center;
    background: linear-gradient(135deg, #12305f, #1f5bb5);
    color: #fff;
    border-radius: 12px;
    padding: 32px 24px;
}

.ku-cta h2 {
    color: #fff;
    margin: 0 0 10px;
}

.ku-cta p {
    color: #e3ecfa;
    max-width: 640px;
    margin: 0 auto 20px;
}

.ku-box .ku-cta a {
    display: inline-block;
    background: #fff;
    color: #12305f;
    font-weight: 700;
    text-decoration: none;
    padding: 12px 26px;
    border-radius: 8px;
}

.ku-box .ku-cta a:hover {
    background: #eaf1fc;
}

.ku-disclaimer {
    margin-top: 26px !important;
    font-size: 12px;
    color: #7b8798;
}

/* Responsive */
@media (max-width: 900px) {
    .ku-grid,
    .ku-grid-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .ku-section {
        padding: 24px 12px 40px;
    }

    .ku-box {
        padding: 26px 18px;
    }

    .ku-box h1 {
        font-size: 25px;
    }

    .ku-box h2 {
        font-size: 20px;
    }
}

/* Tabelle Hinweistexte */
.ku-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.ku-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}

.ku-table th,
.ku-table td {
    text-align: left;
    padding: 11px 14px;
    border-bottom: 1px solid #dde6f2;
    vertical-align: top;
}

.ku-table th {
    background: #eaf1fc;
    color: #12305f;
    font-weight: 700;
}

.ku-table td:first-child {
    font-weight: 600;
    color: #12305f;
    white-space: nowrap;
}

.ku-table td em {
    color: #34465e;
}

@media (max-width: 600px) {
    .ku-table thead {
        display: none;
    }

    .ku-table,
    .ku-table tbody,
    .ku-table tr,
    .ku-table td {
        display: block;
        width: 100%;
    }

    .ku-table tr {
        border-bottom: 1px solid #dde6f2;
        padding: 10px 0;
    }

    .ku-table td {
        border: none;
        padding: 2px 4px;
    }

    .ku-table td:first-child {
        white-space: normal;
    }
}