:root {
  --page-max: 1180px;
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-muted: #f8fafc;
  --surface-strong: #eef3f8;
  --ink: #17202b;
  --muted: #556274;
  --line: #d8e0e8;
  --line-strong: #c4ced9;
  --brand: #244c73;
  --brand-deep: #18324b;
  --brand-soft: #eaf1f8;
  --success: #1f6a4c;
  --warning: #8a6700;
  --warning-soft: #f6efcf;
  --danger: #9f3327;
  --danger-soft: #f9e8e5;
  --shadow-soft: 0 18px 50px rgba(17, 32, 43, 0.06);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(36, 76, 115, 0.08), transparent 28%),
    linear-gradient(180deg, #f8fafc 0%, #f3f6f8 100%);
}

body,
input,
select,
button,
textarea {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.page-shell {
  width: min(calc(100% - 1.25rem), var(--page-max));
  margin: 0 auto;
}

.page-header {
  padding: 1rem 0 1.75rem;
}

.utility-row,
.site-nav,
.nav-links,
.hero-points,
.result-topline,
.progress-labels,
.footer-links {
  display: flex;
  gap: 1rem;
}

.utility-row,
.site-nav,
.hero-section,
.hero-card,
.result-card,
.context-card,
.content-card,
.faq-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-soft);
}

.utility-row {
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.9rem;
}

.utility-note {
  margin: 0;
  font-size: 0.92rem;
  color: var(--brand-deep);
}

.utility-note-muted {
  color: var(--muted);
}

.site-nav {
  justify-content: space-between;
  align-items: center;
  border: 1px solid rgba(23, 32, 43, 0.06);
  border-radius: 999px;
  padding: 0.9rem 1rem;
  margin-bottom: 1rem;
}

.brand-mark {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.nav-links {
  flex-wrap: wrap;
  align-items: center;
}

.nav-links a,
.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.nav-links a:hover,
.footer-links a:hover,
.brand-mark:hover {
  color: var(--brand);
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 1rem;
  border: 1px solid rgba(23, 32, 43, 0.06);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
}

.hero-copy,
.hero-card,
.result-card,
.context-card,
.content-card,
.faq-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.hero-copy {
  padding: 0.5rem 0.25rem 0.25rem;
}

.hero-copy h1 {
  margin-top: 0.2rem;
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero-lead,
.field-note,
.result-summary,
.result-legal-note,
.content-card p,
.faq-card p,
.plain-list,
.status-overview-card p {
  color: var(--muted);
}

.section-kicker {
  margin: 0 0 0.45rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand);
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1.1rem;
}

.hero-point,
.metric-box,
.threshold-card,
.status-overview-card {
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-muted);
}

.hero-point strong,
.metric-box strong,
.threshold-card strong {
  display: block;
  margin-bottom: 0.3rem;
}

.hero-point span {
  display: block;
  font-size: 0.95rem;
  color: var(--muted);
}

.hero-card,
.result-card,
.context-card,
.content-card,
.faq-card {
  padding: 1.2rem;
}

.card-intro h2,
.result-card h2,
.context-card h2,
.content-card h2,
.faq-card h2 {
  margin-top: 0.15rem;
}

.calculator-form {
  display: grid;
  gap: 0.8rem;
}

.calculator-form label {
  margin-bottom: 0.15rem;
  font-weight: 600;
}

.calculator-form input,
.calculator-form select {
  border-radius: 14px;
  border-color: var(--line-strong);
  background: #fff;
}

.field-note {
  margin-top: -0.3rem;
  margin-bottom: 0.15rem;
  font-size: 0.92rem;
}

.page-main {
  padding-bottom: 3rem;
}

.result-grid,
.content-grid,
.result-metrics,
.threshold-grid,
.status-overview {
  display: grid;
  gap: 1rem;
}

.result-grid {
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  margin-bottom: 1rem;
}

.result-topline {
  justify-content: space-between;
  align-items: start;
  flex-wrap: wrap;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 8rem;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
}

.status-unauffaellig {
  background: rgba(31, 106, 76, 0.12);
  color: var(--success);
}

.status-beobachten {
  background: var(--brand-soft);
  color: var(--brand-deep);
}

.status-grenznah {
  background: var(--warning-soft);
  color: var(--warning);
}

.status-kritisch {
  background: var(--danger-soft);
  color: var(--danger);
}

.result-summary {
  margin-top: 0.5rem;
  margin-bottom: 1rem;
  font-size: 1.02rem;
}

.result-metrics,
.threshold-grid,
.status-overview {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-label,
.threshold-label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.progress-card,
.explanation-box {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: var(--surface-muted);
  border: 1px solid var(--line);
}

.progress-labels {
  justify-content: space-between;
  font-size: 0.86rem;
  color: var(--muted);
  margin-bottom: 0.55rem;
}

.progress-track {
  width: 100%;
  height: 14px;
  border-radius: 999px;
  overflow: hidden;
  background: linear-gradient(90deg, #dfe8f1 0%, #e8efe0 45%, #f4ecd1 70%, #f5d6d2 100%);
}

.progress-bar {
  height: 100%;
  width: 0;
  border-radius: 999px;
  transition: width 240ms ease;
  background: linear-gradient(90deg, #315d86 0%, #417b57 45%, #bb8a1b 72%, #b04336 100%);
}

.result-list,
.plain-list {
  margin: 0;
  padding-left: 1.1rem;
}

.result-list li,
.plain-list li {
  margin-bottom: 0.55rem;
}

.context-card {
  align-self: start;
  background: linear-gradient(180deg, #ffffff 0%, #f6f9fc 100%);
}

.content-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 1rem;
}

.status-overview-card strong {
  display: block;
  margin-bottom: 0.35rem;
}

.faq-card details {
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.faq-card details:first-of-type {
  border-top: 0;
}

.faq-card summary {
  font-weight: 600;
  cursor: pointer;
}

.page-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1rem 0 2.5rem;
  color: var(--muted);
}

@media (max-width: 920px) {
  .hero-section,
  .result-grid,
  .content-grid,
  .result-metrics,
  .threshold-grid,
  .status-overview,
  .hero-points {
    grid-template-columns: 1fr;
  }

  .site-nav,
  .utility-row,
  .page-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    border-radius: 24px;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(calc(100% - 0.9rem), var(--page-max));
  }

  .page-header {
    padding-top: 0.7rem;
  }

  .hero-section,
  .hero-card,
  .result-card,
  .context-card,
  .content-card,
  .faq-card {
    padding: 1rem;
  }

  .hero-copy h1 {
    font-size: clamp(1.85rem, 9vw, 2.45rem);
  }

  .status-pill {
    min-width: 0;
  }
}