:root {
  --brvk-ink: #182a3f;
  --brvk-ink-soft: #4a5a6d;
  --brvk-accent: #2b7a66;
  --brvk-accent-dark: #1f5c4d;
  --brvk-warm: #c8792f;
  --brvk-bg: #f5f6f2;
  --brvk-panel: #ffffff;
  --brvk-line: #dfe3dc;
  --brvk-radius: 6px;
  --brvk-space: 17px;
  --brvk-shadow: 0 1px 3px rgba(24, 42, 63, 0.12);
  --brvk-head: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --brvk-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--brvk-bg); color: var(--brvk-ink); font: 1rem/1.65 var(--brvk-body); }
img { max-width: 100%; height: auto; }
a { color: var(--brvk-accent-dark); text-underline-offset: 3px; }
a:hover { color: var(--brvk-accent); }
h1, h2, h3 { font-family: var(--brvk-head); line-height: 1.2; letter-spacing: -0.02em; color: var(--brvk-ink); overflow-wrap: break-word; hyphens: auto; }
h1 { font-size: clamp(1.9rem, 4.6vw, 2.8rem); margin: 0 0 var(--brvk-space); }
h2 { font-size: clamp(1.45rem, 3.2vw, 2rem); margin: 0 0 calc(var(--brvk-space) * .8); }
h3 { font-size: 1.15rem; margin: calc(var(--brvk-space) * 1.2) 0 .4rem; }
p { margin: 0 0 var(--brvk-space); }

.brvk-wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.brvk-top { background: var(--brvk-panel); border-bottom: 1px solid var(--brvk-line); }
.brvk-top .brvk-wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 0; flex-wrap: wrap; }
.brvk-logo { font-family: var(--brvk-head); font-weight: 700; font-size: 1.2rem; color: var(--brvk-ink); text-decoration: none; display: inline-flex; align-items: center; gap: 8px; }
.brvk-logo svg { flex: none; }
.brvk-menu { display: flex; gap: 6px 18px; flex-wrap: wrap; font-size: .95rem; }
.brvk-menu a { color: var(--brvk-ink-soft); text-decoration: none; background: linear-gradient(var(--brvk-accent), var(--brvk-accent)) left bottom / 0 2px no-repeat; transition: background-size .2s; padding-bottom: 2px; }
.brvk-menu a:hover { background-size: 100% 2px; color: var(--brvk-ink); }

.brvk-hero { padding: calc(var(--brvk-space) * 2.4) 0 calc(var(--brvk-space) * 2); }
.brvk-hero .brvk-wrap { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: calc(var(--brvk-space) * 2); align-items: start; }
.brvk-kicker { display: inline-block; font-size: .8rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--brvk-accent-dark); margin-bottom: 10px; }
.brvk-lead { font-size: 1.1rem; color: var(--brvk-ink-soft); }
.brvk-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: var(--brvk-space) 0 0; padding: 0; list-style: none; }
.brvk-facts li { background: var(--brvk-panel); border: 1px solid var(--brvk-line); border-radius: var(--brvk-radius); padding: 12px; font-size: .9rem; color: var(--brvk-ink-soft); }
.brvk-facts strong { display: block; font-family: var(--brvk-head); font-size: 1.35rem; color: var(--brvk-ink); }

.brvk-box { background: var(--brvk-panel); border: 1px solid var(--brvk-line); border-radius: var(--brvk-radius); box-shadow: var(--brvk-shadow); padding: calc(var(--brvk-space) * 1.3); }
.brvk-box h2 { font-size: 1.4rem; }
.brvk-field { display: grid; gap: 4px; margin-bottom: 12px; }
.brvk-field label, .brvk-legend { font-weight: 600; font-size: .92rem; }
.brvk-field input, .brvk-field select, .brvk-field textarea { width: 100%; font: inherit; color: var(--brvk-ink); padding: 10px 12px; border: 1px solid #c7cdc4; border-radius: var(--brvk-radius); background: #fff; }
.brvk-field input:focus, .brvk-field select:focus, .brvk-field textarea:focus { outline: 2px solid var(--brvk-accent); outline-offset: 1px; }
.brvk-result { background: #eef5f2; border-left: 4px solid var(--brvk-accent); border-radius: var(--brvk-radius); padding: 12px 14px; margin: 14px 0; }
.brvk-result strong { font-family: var(--brvk-head); font-size: 1.45rem; display: block; }
.brvk-small { font-size: .85rem; color: var(--brvk-ink-soft); }

.brvk-btn { display: inline-block; font: 600 1rem var(--brvk-body); text-decoration: none; text-align: center; color: #fff; background: var(--brvk-accent); border: 0; border-radius: var(--brvk-radius); padding: 12px 20px; cursor: pointer; }
.brvk-btn:hover { background: var(--brvk-accent-dark); color: #fff; }
.brvk-btn--ghost { background: transparent; color: var(--brvk-accent-dark); border: 1px solid var(--brvk-accent); }
.brvk-btn--ghost:hover { background: #eef5f2; color: var(--brvk-accent-dark); }

.brvk-band { padding: calc(var(--brvk-space) * 2.6) 0; }
.brvk-band--alt { background: #ebede7; }
.brvk-band--dark { background: var(--brvk-ink); color: #e9eef3; }
.brvk-band--dark h2, .brvk-band--dark h3 { color: #fff; }
.brvk-band--dark a { color: #bfe3d7; }
.brvk-intro { max-width: 760px; }

.brvk-phases { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--brvk-space); margin-top: var(--brvk-space); }
.brvk-phase { background: var(--brvk-panel); border: 1px solid var(--brvk-line); border-radius: var(--brvk-radius); padding: var(--brvk-space); }
.brvk-phase h3 { margin-top: 0; display: flex; justify-content: space-between; gap: 10px; align-items: baseline; }
.brvk-phase h3 span { font-family: var(--brvk-body); font-size: .8rem; font-weight: 600; color: var(--brvk-accent-dark); white-space: nowrap; }
.brvk-check { list-style: none; margin: 0; padding: 0; }
.brvk-check li { border-top: 1px solid var(--brvk-line); }
.brvk-check label { display: flex; gap: 10px; align-items: flex-start; padding: 8px 0; cursor: pointer; }
.brvk-check input { margin-top: 5px; width: 17px; height: 17px; accent-color: var(--brvk-accent); flex: none; }
.brvk-check input:checked + span { color: var(--brvk-ink-soft); text-decoration: line-through; }
.brvk-progress { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: var(--brvk-space); }
.brvk-bar { flex: 1 1 220px; height: 10px; background: var(--brvk-line); border-radius: 999px; overflow: hidden; }
.brvk-bar i { display: block; height: 100%; width: 0; background: var(--brvk-accent); transition: width .2s; }

.brvk-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: calc(var(--brvk-space) * 2); }
.brvk-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: var(--brvk-space) 0; }
.brvk-table { border-collapse: collapse; width: 100%; min-width: 460px; background: var(--brvk-panel); }
.brvk-table th, .brvk-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--brvk-line); vertical-align: top; }
.brvk-table th { background: #eef1ea; font-size: .9rem; }
.brvk-list { padding-left: 1.2em; }
.brvk-list li { margin-bottom: 6px; }

.brvk-faq details { background: var(--brvk-panel); border: 1px solid var(--brvk-line); border-radius: var(--brvk-radius); margin-bottom: 10px; }
.brvk-faq summary { cursor: pointer; padding: 14px 16px; font-weight: 600; }
.brvk-faq details p { padding: 0 16px 14px; margin: 0; }

.brvk-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 var(--brvk-space); }
.brvk-form .brvk-full { grid-column: 1 / -1; }
.brvk-form .brvk-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.brvk-consent { display: flex; gap: 10px; align-items: flex-start; font-size: .92rem; margin: 6px 0 14px; }
.brvk-consent input { margin-top: 4px; width: 17px; height: 17px; flex: none; accent-color: var(--brvk-accent); }
.brvk-status { min-height: 1.5em; font-weight: 600; margin: 10px 0 0; }
.brvk-status.ok { color: #9fe0c8; }
.brvk-status.fehler { color: #ffc9a6; }
.brvk-band--dark .brvk-field input, .brvk-band--dark .brvk-field select, .brvk-band--dark .brvk-field textarea { border-color: #5c6f84; }

.brvk-foot { padding: calc(var(--brvk-space) * 1.6) 0; font-size: .9rem; color: var(--brvk-ink-soft); }
.brvk-foot .brvk-wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; }
.brvk-foot nav { display: flex; gap: 18px; flex-wrap: wrap; }

.brvk-legal { padding: calc(var(--brvk-space) * 2) 0 calc(var(--brvk-space) * 3); }
.brvk-legal .brvk-wrap { max-width: 800px; }
.brvk-legal h2 { font-size: 1.3rem; margin-top: calc(var(--brvk-space) * 1.6); }

@media (max-width: 860px) {
  .brvk-hero .brvk-wrap, .brvk-cols, .brvk-phases { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .brvk-facts { grid-template-columns: minmax(0, 1fr); }
  .brvk-form { grid-template-columns: minmax(0, 1fr); }
  .brvk-top .brvk-wrap { padding: 10px 0; }
}
@media print {
  .brvk-top, .brvk-hero .brvk-box, .brvk-band--dark, .brvk-foot, .brvk-progress button { display: none !important; }
  body { background: #fff; }
}