:root {
  --bg: #f6f8f7;
  --card: #ffffff;
  --text: #16241c;
  --muted: #5c6b63;
  --accent: #1f7a4d;
  --accent-dark: #14593a;
  --accent-light: #e5f3ec;
  --border: #e4e9e6;
  --shadow: 0 1px 2px rgba(16, 38, 27, 0.04), 0 8px 24px rgba(16, 38, 27, 0.06);
  --radius: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 880px; margin: 0 auto; padding: 0 20px; }

.site-header {
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav { display: flex; align-items: center; justify-content: space-between; min-height: 64px; flex-wrap: wrap; gap: 8px 0; padding: 10px 0; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.15rem; text-decoration: none; color: var(--text); letter-spacing: -0.01em; }
.brand-icon { font-size: 1.3rem; line-height: 1; }
.brand span:not(.brand-icon) { color: var(--accent); }
.nav nav { display: flex; flex-wrap: wrap; gap: 4px 16px; }
.nav nav a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 0.92rem; transition: color 0.15s ease; white-space: nowrap; }
.nav nav a:hover { color: var(--accent); }

.hero-band {
  background:
    radial-gradient(1000px 420px at 85% -20%, rgba(31,122,77,0.16), transparent 60%),
    radial-gradient(700px 300px at 0% 0%, rgba(20,89,58,0.10), transparent 55%),
    linear-gradient(180deg, #0f2e1f 0%, #16412b 100%);
  color: #fff;
  overflow: hidden;
}
.hero { padding: 64px 0 56px; animation: fadeUp 0.5s ease both; }
.eyebrow {
  display: inline-block; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.01em;
  color: #eafff3; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.18);
  padding: 7px 14px; border-radius: 999px; margin-bottom: 18px;
}
.hero h1 { font-size: 2.5rem; margin: 0 0 14px; letter-spacing: -0.02em; line-height: 1.12; color: #fff; }
.hero-year { color: #7be3ad; }
.hero .sub { color: rgba(255,255,255,0.82); font-size: 1.1rem; max-width: 620px; margin: 0; }

.features {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin: -32px 0 32px;
  position: relative; z-index: 2;
}
.feature {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 20px; box-shadow: var(--shadow);
}
.feature-icon { font-size: 1.6rem; display: block; margin-bottom: 8px; }
.feature h3 { font-size: 0.98rem; margin: 0 0 6px; letter-spacing: -0.005em; }
.feature p { font-size: 0.85rem; color: var(--muted); margin: 0; line-height: 1.45; }

.calc-card, .compare-card, .info-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
  margin-bottom: 28px;
}
.calc-card h2, .compare-card h2, .info-card h2 {
  margin-top: 0; font-size: 1.25rem; letter-spacing: -0.01em;
  display: flex; align-items: center; gap: 10px;
}
.icon-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; border-radius: 50%; background: var(--accent-light);
  color: var(--accent-dark); font-size: 0.85rem; font-weight: 800; flex-shrink: 0;
}
.info-card h3 { font-size: 1.05rem; margin-bottom: 6px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 22px 0; }
label { display: flex; flex-direction: column; font-weight: 600; font-size: 0.88rem; color: var(--muted); gap: 7px; }
.label-text { display: inline-flex; align-items: center; gap: 4px; }
input, select {
  font-size: 1rem; padding: 12px 14px; border-radius: 10px; border: 1.5px solid var(--border);
  font-family: inherit; color: var(--text); background: var(--bg); transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:focus, select:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light);
}

button#berechnen {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark)); color: #fff; border: none; padding: 14px 28px;
  border-radius: 10px; font-size: 1.02rem; font-weight: 700; cursor: pointer;
  box-shadow: 0 6px 16px rgba(31,122,77,0.32);
  transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
}
button#berechnen:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(31,122,77,0.38); }
button#berechnen:active { transform: translateY(0); }

.result { margin-top: 28px; animation: fadeUp 0.35s ease both; }
.result.hidden { display: none; }
.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.result-box {
  background: var(--accent-light); border-radius: 12px; padding: 18px; display: flex; flex-direction: column; gap: 6px;
}
.result-box.highlight { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); color: #fff; }
.result-box .label { font-size: 0.8rem; opacity: 0.85; font-weight: 600; }
.result-box .value { font-size: 1.55rem; font-weight: 800; letter-spacing: -0.01em; }
.disclaimer { font-size: 0.8rem; color: var(--muted); margin-top: 18px; }

table { width: 100%; border-collapse: collapse; margin-top: 14px; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--border); font-size: 0.92rem; white-space: nowrap; }
th { color: var(--muted); font-weight: 700; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }
tbody tr:hover { background: var(--accent-light); }
tbody tr:first-child td:first-child::after {
  content: "Top-Preis"; margin-left: 8px; font-size: 0.68rem; font-weight: 800; letter-spacing: 0.02em;
  background: var(--accent); color: #fff; padding: 2px 7px; border-radius: 999px; vertical-align: middle;
}
.hint { font-size: 0.85rem; color: var(--muted); margin-top: 12px; }

.info-card p { color: #30423a; }

.site-footer { padding: 44px 0 48px; color: var(--muted); font-size: 0.85rem; text-align: center; border-top: 1px solid var(--border); margin-top: 20px; }
.footer-brand { font-weight: 800; color: var(--text); margin-bottom: 8px; display: flex; align-items: center; justify-content: center; gap: 6px; }
.footer-tagline { max-width: 420px; margin: 0 auto 14px; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--accent); text-decoration: underline; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 760px) {
  .features { grid-template-columns: 1fr; margin-top: -24px; }
}

@media (max-width: 600px) {
  .grid-2, .result-grid { grid-template-columns: 1fr; }
  .hero { padding: 40px 0 44px; }
  .hero h1 { font-size: 1.8rem; }
  .hero .sub { font-size: 1rem; }
  .calc-card, .compare-card, .info-card { padding: 22px; }
  button#berechnen { width: 100%; }
}