:root {
  --navy: #0e2a47;
  --navy-2: #1e3a5f;
  --accent: #1f8a4c;
  --accent-dark: #17703d;
  --ink: #1b2430;
  --muted: #5b6675;
  --line: #dfe4ea;
  --bg: #ffffff;
  --bg-soft: #f4f6f9;
  --radius: 12px;
  --max: 1080px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  line-height: 1.6;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); font-size: 17px; }
img { max-width: 100%; height: auto; }
a { color: var(--navy-2); }
h1, h2, h3 { line-height: 1.25; color: var(--navy); }
h1 { font-size: clamp(30px, 5vw, 46px); margin: 0 0 16px; }
h2 { font-size: clamp(24px, 3.4vw, 32px); margin: 0 0 16px; }
h3 { font-size: 19px; margin: 0 0 8px; }
p { margin: 0 0 14px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
section { padding: 56px 0; }
section.soft { background: var(--bg-soft); }

header.site { border-bottom: 1px solid var(--line); background: #fff; position: sticky; top: 0; z-index: 10; }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); font-weight: 700; font-size: 19px; }
.brand img { width: 34px; height: 34px; }
nav.main a { margin-left: 18px; text-decoration: none; color: var(--ink); font-size: 15px; }
nav.main a.btn { color: #fff; }
@media (max-width: 720px) { nav.main a:not(.btn) { display: none; } }

.btn { display: inline-block; background: var(--accent); color: #fff; padding: 13px 22px; border-radius: 10px; text-decoration: none; font-weight: 600; border: 0; font-size: 16px; cursor: pointer; font-family: inherit; }
.btn:hover { background: var(--accent-dark); }
.btn.ghost { background: transparent; color: var(--navy); border: 1.5px solid var(--navy); }
.btn.ghost:hover { background: var(--bg-soft); }
.btn.small { padding: 9px 16px; font-size: 15px; }
.btn[disabled] { opacity: .6; cursor: default; }

.hero { padding: 64px 0 48px; background: linear-gradient(180deg, #eef2f7 0%, #fff 100%); }
.hero .eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.hero .lead { font-size: 19px; color: var(--muted); max-width: 640px; }
.hero .ctas { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0 12px; }
.hero .note { font-size: 14px; color: var(--muted); }
.checks { list-style: none; padding: 0; margin: 18px 0 0; }
.checks li { padding-left: 28px; position: relative; margin-bottom: 6px; }
.checks li::before { content: ""; position: absolute; left: 0; top: 7px; width: 16px; height: 16px; border-radius: 50%; background: var(--accent); mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Ccircle cx='8' cy='8' r='8'/%3E%3C/svg%3E"); }
.checks li::after { content: ""; position: absolute; left: 5px; top: 10px; width: 6px; height: 3px; border-left: 2px solid #fff; border-bottom: 2px solid #fff; transform: rotate(-45deg); }

.grid { display: grid; gap: 20px; }
.grid.c2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid.c3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid.c4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card p:last-child { margin-bottom: 0; }
.step-no { display: inline-flex; width: 32px; height: 32px; border-radius: 50%; background: var(--navy); color: #fff; align-items: center; justify-content: center; font-weight: 700; margin-bottom: 10px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }

.about { display: grid; grid-template-columns: 180px 1fr; gap: 28px; align-items: start; }
.about img { border-radius: var(--radius); width: 180px; height: 180px; object-fit: cover; }
@media (max-width: 640px) { .about { grid-template-columns: 1fr; } }

details { border-bottom: 1px solid var(--line); padding: 14px 0; }
details summary { cursor: pointer; font-weight: 600; color: var(--navy); list-style: none; }
details summary::after { content: "+"; float: right; font-weight: 400; }
details[open] summary::after { content: "–"; }
details p { margin-top: 10px; }

table.calc { width: 100%; border-collapse: collapse; }
table.calc td { padding: 8px 0; border-bottom: 1px solid var(--line); }
table.calc td:last-child { text-align: right; font-variant-numeric: tabular-nums; }

footer.site { background: var(--navy); color: #cdd6e1; padding: 36px 0; font-size: 15px; }
footer.site a { color: #fff; }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; }

/* Formulare */
.form-card { max-width: 640px; margin: 0 auto; }
label { display: block; font-weight: 600; margin: 16px 0 6px; color: var(--navy); }
.hint { font-weight: 400; color: var(--muted); font-size: 14px; }
input[type=text], input[type=email], input[type=tel], input[type=number], select {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px; font-size: 17px; font-family: inherit; background: #fff;
}
input:focus, select:focus { outline: none; border-color: var(--navy-2); }
.options { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.option { border: 1.5px solid var(--line); border-radius: 10px; padding: 14px; cursor: pointer; background: #fff; text-align: left; font-size: 16px; font-family: inherit; color: var(--ink); }
.option:hover { border-color: var(--navy-2); }
.option.selected { border-color: var(--accent); background: #eef8f1; }
.progress { height: 6px; background: var(--line); border-radius: 3px; margin-bottom: 24px; overflow: hidden; }
.progress > div { height: 100%; background: var(--accent); width: 0; transition: width .25s; }
.step { display: none; }
.step.active { display: block; }
.nav-row { display: flex; justify-content: space-between; gap: 12px; margin-top: 24px; }
.result { background: var(--navy); color: #fff; border-radius: var(--radius); padding: 24px; margin: 20px 0; }
.result h2, .result h3 { color: #fff; }
.result .big { font-size: clamp(28px, 6vw, 40px); font-weight: 700; margin: 4px 0 8px; }
.result .muted { color: #b9c6d6; }
.check-row { display: flex; gap: 10px; align-items: flex-start; margin-top: 16px; font-size: 14px; }
.check-row input { margin-top: 4px; width: 18px; height: 18px; flex: none; }
.error { color: #b42318; font-size: 14px; margin-top: 8px; }
.hp { position: absolute; left: -9999px; }

.legal h2 { font-size: 22px; margin-top: 32px; }

.btn { white-space: nowrap; }
table.calc td:last-child { white-space: nowrap; padding-left: 12px; }
@media (max-width: 420px) {
  .brand { font-size: 16px; }
  .brand img { width: 28px; height: 28px; }
  header.site .btn.small { padding: 8px 12px; font-size: 14px; }
}