/* Themenseiten wasseruhr-app.html / verbandsmeldung.html — Layout wie genauigkeit.html */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.65;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: #ffffff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.nav-container {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 20px;
    height: 70px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 24px;
    font-weight: 700;
    color: #2c3e50;
    text-decoration: none;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo img { height: 32px; width: 32px; }
.back-link {
    color: #555;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
}
.back-link:hover { color: #2C5AA0; }

.main-content {
    max-width: 860px;
    margin: 36px auto 56px;
    padding: 0 20px;
    flex: 1;
    width: 100%;
}
h1 {
    font-size: 34px;
    line-height: 1.2;
    color: #2c3e50;
    font-weight: 650;
    margin-bottom: 16px;
}
.lead {
    font-size: 18px;
    color: #444;
    margin-bottom: 28px;
}
h2 {
    font-size: 22px;
    color: #2c3e50;
    margin: 32px 0 10px;
}
p { margin: 0 0 14px; }
ul, ol { margin: 0 0 16px 1.2em; }
li { margin-bottom: 6px; }
a { color: #2C5AA0; }
.card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    padding: 22px 24px;
    margin: 18px 0;
}
.steps { counter-reset: step; list-style: none; margin-left: 0; padding: 0; }
.steps li {
    counter-increment: step;
    padding: 10px 0 10px 46px;
    position: relative;
    border-bottom: 1px solid #eee;
}
.steps li:last-child { border-bottom: 0; }
.steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 10px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #2C5AA0;
    color: #fff;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.cta {
    margin-top: 28px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.btn {
    display: inline-block;
    background: #2C5AA0;
    color: #fff;
    text-decoration: none;
    padding: 12px 18px;
    border-radius: 8px;
    font-weight: 650;
}
.btn.secondary {
    background: #fff;
    color: #2C5AA0;
    border: 1px solid #2C5AA0;
}
.shot {
    margin: 18px 0 8px;
    text-align: center;
}
.shot img {
    max-width: 320px;
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}
.shot figcaption {
    font-size: 14px;
    color: #666;
    margin-top: 8px;
}
.related { font-size: 15px; color: #555; }
.related a { margin-right: 12px; }
footer {
    background: #fff;
    border-top: 1px solid #e6e6e6;
    padding: 22px 20px;
}
.footer-container {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    color: #666;
    font-size: 14px;
}
.footer-links a { color: #555; text-decoration: none; margin-left: 14px; }
@media (max-width: 640px) {
    h1 { font-size: 28px; }
    .back-link { font-size: 14px; }
}