/* ============================================================
   Netto-Optimierer 2026 – Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ---- Custom Properties ---- */
:root {
  /* Farben */
  --color-primary:       #16a34a;
  --color-primary-dark:  #15803d;
  --color-primary-light: #bbf7d0;
  --color-primary-bg:    #f0fdf4;
  --color-accent:        #0ea5e9;
  --color-danger:        #ef4444;
  --color-warn:          #f59e0b;

  --color-gray-50:  #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  --color-bg:      #ffffff;
  --color-surface: #f9fafb;
  --color-border:  #e5e7eb;

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --font-size-xs:   0.75rem;
  --font-size-sm:   0.875rem;
  --font-size-base: 1rem;
  --font-size-lg:   1.125rem;
  --font-size-xl:   1.25rem;
  --font-size-2xl:  1.5rem;
  --font-size-3xl:  1.875rem;
  --font-size-4xl:  2.25rem;
  --font-size-5xl:  3rem;

  --font-weight-normal:    400;
  --font-weight-medium:    500;
  --font-weight-semibold:  600;
  --font-weight-bold:      700;
  --font-weight-extrabold: 800;

  --line-height-tight:  1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radii */
  --radius-sm:   0.375rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1rem;
  --radius-2xl:  1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.06);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.05);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.08), 0 8px 10px -6px rgb(0 0 0 / 0.05);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow:   350ms ease;

  /* Container */
  --container-max: 1200px;
  --container-pad: var(--space-6);
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-gray-800);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
}

/* ---- Container ---- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ============================================================
   HEADER / HERO
   ============================================================ */
.site-header {
  background: linear-gradient(135deg, #052e16 0%, #14532d 40%, #166534 100%);
  color: white;
  padding: var(--space-20) 0 var(--space-16);
  position: relative;
  overflow: hidden;
}

.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 800px;
  margin-inline: auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--space-6);
}

.hero-badge::before {
  content: '✦';
  font-size: 0.6em;
}

.site-header h1 {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
  font-weight: var(--font-weight-extrabold);
  color: white;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}

.site-header h1 .highlight {
  color: #86efac;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
  line-height: var(--line-height-relaxed);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  font-size: clamp(1rem, 2.5vw, var(--font-size-2xl));
  font-weight: var(--font-weight-extrabold);
  color: #86efac;
  display: block;
  white-space: nowrap;
}

.hero-stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.7);
}

/* ============================================================
   NAV-ANKER
   ============================================================ */
.section-nav {
  background: var(--color-gray-900);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

.section-nav ul {
  display: flex;
  list-style: none;
  gap: 0;
  overflow-x: auto;
}

.section-nav a {
  display: block;
  padding: var(--space-3) var(--space-5);
  color: rgba(255,255,255,0.7);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.section-nav a:hover {
  color: white;
  background: rgba(255,255,255,0.08);
  text-decoration: none;
}

/* ============================================================
   SECTION GEMEINSAM
   ============================================================ */
.section {
  padding: var(--space-16) 0;
}

.section--alt {
  background: var(--color-gray-50);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
}

.section-header h2 {
  font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--color-gray-500);
  max-width: 640px;
  margin-inline: auto;
}

/* ============================================================
   RECHNER-SECTION (2-spaltig)
   ============================================================ */
#rechner {
  background: var(--color-primary-bg);
}

.rechner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .rechner-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

/* ---- Input-Panel ---- */
.input-panel {
  background: white;
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
}

.panel-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-6);
  color: var(--color-gray-800);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.panel-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1.2em;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.input-group {
  margin-bottom: var(--space-5);
}

.input-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-600);
  margin-bottom: var(--space-2);
}
.input-hint {
  font-weight: var(--font-weight-normal);
  color: var(--color-gray-400);
  font-size: var(--font-size-xs);
}

.slider-number-wrap {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--space-3);
  align-items: center;
}

/* Custom Range Slider */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: linear-gradient(
    to right,
    var(--color-primary) 0%,
    var(--color-primary) var(--slider-pct, 50%),
    var(--color-gray-200) var(--slider-pct, 50%),
    var(--color-gray-200) 100%
  );
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background: white;
  border: 2px solid var(--color-primary);
  box-shadow: 0 2px 4px rgb(0 0 0 / 0.15);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 3px 8px rgb(22 163 74 / 0.3);
}

input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background: white;
  border: 2px solid var(--color-primary);
  cursor: pointer;
}

input[type="number"],
select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-gray-800);
  background: white;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="number"]:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(22 163 74 / 0.12);
}

input[type="number"].brutto-number {
  width: 90px;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  text-align: right;
}

.input-unit {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  white-space: nowrap;
}

.select-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
}

.checkbox-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
  flex-shrink: 0;
}
.checkbox-item.select-item { cursor: default; justify-content: space-between; }
.kinder-select {
  width: auto;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-gray-200);
  background: white;
  color: var(--color-gray-800);
  font-size: var(--font-size-sm);
  font-family: inherit;
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.kinder-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(22 163 74 / 0.12);
}

/* ---- Result-Panel ---- */
.result-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.result-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.result-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  border: 2px solid transparent;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.result-card.vorher {
  border-color: var(--color-gray-200);
}

.result-card.nachher {
  border-color: var(--color-gray-200);
}

.result-card.nachher.has-gain {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgb(22 163 74 / 0.08), var(--shadow-md);
}

.result-card-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gray-400);
  margin-bottom: var(--space-2);
}

.result-card.nachher.has-gain .result-card-label {
  color: var(--color-primary);
}

.result-brutto-hint {
  font-size: var(--font-size-xs);
  color: var(--color-gray-400);
  margin-bottom: var(--space-3);
}

.result-main-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-gray-900);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.result-card.nachher.has-gain .result-main-value {
  color: var(--color-primary-dark);
}

.result-sub-label {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

/* Aufschlüsselung */
.result-breakdown {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
}

.breakdown-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-600);
  margin-bottom: var(--space-4);
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-gray-100);
  font-size: var(--font-size-sm);
}

.breakdown-row:last-child { border-bottom: none; }
.breakdown-row .label { color: var(--color-gray-600); }
.breakdown-row .value { font-weight: var(--font-weight-medium); color: var(--color-gray-800); }
.breakdown-row.deduction .value { color: var(--color-danger); }
.breakdown-row.sv-detail { padding-left: var(--space-4); font-size: var(--font-size-xs); }
.breakdown-row.sv-detail .label { color: var(--color-gray-400); }

.breakdown-values { display: flex; align-items: center; gap: 6px; }
.breakdown-delta {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  white-space: nowrap;
}
.breakdown-delta:empty { display: none; }
.breakdown-opt-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-normal);
  color: var(--color-primary);
}

/* Bausteine-Hint */
.bausteine-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary-bg);
  border: 1px dashed var(--color-primary-light);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}
a.bausteine-hint:hover {
  background: rgba(22,163,74,0.12);
  border-color: var(--color-primary);
}
.bausteine-hint-arrow {
  font-size: 1.1em;
  animation: hint-bounce 1.2s ease-in-out infinite;
}
@keyframes hint-bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(4px); }
}
.bausteine-hint.hidden { display: none; }

/* Delta-Box */
.delta-box {
  background: var(--color-primary-bg);
  border: 2px solid var(--color-primary-light);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
}

.delta-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--space-2);
}

.delta-value {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.delta-sub {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

#jahresvorteil-badge {
  display: inline-block;
  margin-top: var(--space-3);
  background: white;
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-500);
  transition: background var(--transition-normal), color var(--transition-normal);
}

#jahresvorteil-badge.positive {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* ============================================================
   BAUSTEINE
   ============================================================ */
#bausteine {
  padding-top: var(--space-16);
  padding-bottom: var(--space-20);
}

.bausteine-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-5);
}

/* Baustein Card */
.baustein-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1.5px solid var(--color-gray-200);
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal), transform var(--transition-normal);
}

.baustein-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.baustein-card.active {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(22 163 74 / 0.1), var(--shadow-md);
}

.baustein-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.baustein-title-wrap {
  flex: 1;
  min-width: 0;
}

.baustein-kategorie {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  padding: 2px 10px;
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.kategorie-sachleistung { background: #dbeafe; color: #1d4ed8; }
.kategorie-mobilitaet   { background: #fce7f3; color: #9d174d; }
.kategorie-pauschal     { background: #fef3c7; color: #92400e; }
.kategorie-vorsorge     { background: #ede9fe; color: #5b21b6; }
.kategorie-familie      { background: #d1fae5; color: #065f46; }
.kategorie-einmalig     { background: #fee2e2; color: #991b1b; }

.baustein-name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-1);
}

.baustein-paragraph {
  font-size: var(--font-size-xs);
  color: var(--color-gray-400);
  font-family: monospace;
}

.baustein-beschreibung {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

.baustein-info-box {
  background: #fef3c7;
  border-left: 3px solid var(--color-warn);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  color: #92400e;
  margin-bottom: var(--space-4);
}

/* Baustein Inputs */
.baustein-input-group {
  margin-bottom: var(--space-4);
}

.baustein-input-group label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-500);
  margin-bottom: var(--space-2);
}

.baustein-input-group input[type="number"] {
  width: 70px;
  font-size: var(--font-size-sm);
}

/* Baustein Result */
.baustein-result {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-gray-100);
}

.baustein-result-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2) var(--space-4);
}

.result-item {
  display: flex;
  flex-direction: column;
}

.result-item.highlight {
  grid-column: 1 / -1;
  background: var(--color-primary-bg);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.result-item .result-label {
  font-size: var(--font-size-xs);
  color: var(--color-gray-400);
  font-weight: var(--font-weight-medium);
  margin-bottom: 2px;
}

.result-item.highlight .result-label {
  color: var(--color-primary-dark);
  font-weight: var(--font-weight-semibold);
}

.result-item .result-value {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
}

.result-item.highlight .result-value {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
}

.result-value.gain { color: var(--color-primary); }
.result-value.loss { color: var(--color-danger); }

/* ---- Toggle Switch ---- */
.toggle-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-slider {
  width: 44px;
  height: 24px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  transition: background var(--transition-normal);
  position: relative;
  display: block;
}

.toggle-slider::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  background: white;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--color-primary);
}

.toggle-switch input:checked + .toggle-slider::after {
  transform: translateX(20px);
}

.toggle-switch input:disabled + .toggle-slider {
  opacity: 0.4;
  cursor: not-allowed;
}

.toggle-switch input:focus-visible + .toggle-slider {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ============================================================
   ERKLAERUNG
   ============================================================ */
#erklaerung {
  background: white;
}

.erklaerung-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}

@media (min-width: 900px) {
  .erklaerung-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.erklaerung-text h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-4);
  color: var(--color-gray-900);
}

.erklaerung-text p {
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

.erklaerung-text ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.erklaerung-text ul li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
}

.erklaerung-text ul li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
  margin-top: 2px;
}

.hinweis-box {
  background: var(--color-gray-50);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.hinweis-box h4 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-3);
  color: var(--color-gray-800);
}

.hinweis-box p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-3);
}

.hinweis-box p:last-child { margin-bottom: 0; }

/* ============================================================
   FAQ
   ============================================================ */
#faq {
  background: var(--color-gray-50);
}

.faq-list {
  max-width: 800px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1.5px solid var(--color-gray-200);
  overflow: hidden;
  transition: box-shadow var(--transition-normal);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: var(--space-5) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-800);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  font-family: var(--font-family);
  transition: color var(--transition-fast);
}

.faq-question:hover { color: var(--color-primary); }

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-500);
  transition: background var(--transition-normal), color var(--transition-normal), transform var(--transition-normal);
  line-height: 1;
}

.faq-item.open .faq-icon {
  background: var(--color-primary);
  color: white;
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer-inner {
  padding: 0 var(--space-6) var(--space-5);
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.faq-answer-inner p { margin-bottom: var(--space-3); }
.faq-answer-inner p:last-child { margin-bottom: 0; }

/* FAQ section on leistungen detail pages */
.detail-faq {
  background: var(--color-gray-50);
  border-top: 1px solid var(--color-border);
}
.detail-faq h2 {
  text-align: center;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-8);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-gray-900);
  color: rgba(255,255,255,0.6);
  padding: var(--space-12) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-6);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.footer-brand p {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  max-width: 320px;
  margin-top: var(--space-3);
}

.footer-brand-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: white;
}

.footer-col h4 {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--space-4);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-col a {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.5);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: rgba(255,255,255,0.9);
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--font-size-xs);
}

.footer-disclaimer {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.3);
  max-width: 800px;
  line-height: var(--line-height-relaxed);
  text-align: center;
  margin-inline: auto;
  padding: var(--space-6) 0 var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.07);
}

.footer-legal-links {
  display: flex;
  gap: var(--space-4);
}
.footer-legal-links a {
  color: rgba(255,255,255,0.4);
  font-size: var(--font-size-xs);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.footer-legal-links a:hover { color: rgba(255,255,255,0.8); }

/* Legal pages (Impressum / Datenschutz) */
.legal-content {
  max-width: 760px;
  padding: var(--space-12) 0;
}
.legal-content h1 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-8);
}
.legal-content h2 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  margin: var(--space-10) 0 var(--space-3);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}
.legal-content h2:first-of-type { border-top: none; margin-top: var(--space-4); }
.legal-content h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-800);
  margin: var(--space-6) 0 var(--space-2);
}
.legal-content h4 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
  margin: var(--space-4) 0 var(--space-2);
}
.legal-content p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-3);
}
.legal-content ul {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.legal-content a { color: var(--color-primary); word-break: break-all; }

/* ============================================================
   COOKIE BANNER (modal overlay)
   ============================================================ */
.cookie-banner {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background: rgba(0,0,0,0);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  transition: background 0.35s ease, backdrop-filter 0.35s ease;
  pointer-events: none;
}
.cookie-banner--visible {
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  pointer-events: auto;
}
.cookie-banner-inner {
  background: var(--color-gray-900);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 64px rgba(0,0,0,0.6), 0 0 0 1px rgba(22,163,74,0.15);
  max-width: 480px;
  width: 100%;
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  transform: scale(0.92) translateY(12px);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(.4,0,.2,1), opacity 0.35s ease;
}
.cookie-banner--visible .cookie-banner-inner {
  transform: scale(1) translateY(0);
  opacity: 1;
}
.cookie-banner-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(22,163,74,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.cookie-text strong {
  display: block;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: #fff;
  margin-bottom: var(--space-2);
}
.cookie-text p {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
  margin: 0;
}
.cookie-text a {
  color: var(--color-primary-light);
  text-decoration: underline;
}
.cookie-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.cookie-btn--accept {
  width: 100%;
  padding: 14px;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  cursor: pointer;
  border: none;
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(22,163,74,0.4);
  transition: background 0.15s, box-shadow 0.15s, transform 0.1s;
  letter-spacing: 0.01em;
}
.cookie-btn--accept:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 24px rgba(22,163,74,0.5);
  transform: translateY(-1px);
}
.cookie-btn--accept:active { transform: translateY(0); }
.cookie-btn--decline {
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-xs);
  font-family: inherit;
  color: rgba(255,255,255,0.3);
  text-decoration: underline;
  text-align: center;
  padding: var(--space-1) 0;
  width: 100%;
}
.cookie-btn--decline:hover { color: rgba(255,255,255,0.55); }

@media (max-width: 520px) {
  .cookie-banner-inner { padding: var(--space-6); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  :root { --container-pad: var(--space-4); }

  .section { padding: var(--space-10) 0; }

  .result-cards {
    grid-template-columns: 1fr;
  }

  .bausteine-grid {
    grid-template-columns: 1fr;
  }

  .select-row {
    grid-template-columns: 1fr;
  }

  .input-panel {
    padding: var(--space-5);
  }

  .hero-stats {
    gap: var(--space-5);
  }

  .hero-stat-value {
    font-size: var(--font-size-xl);
  }

  .site-header {
    padding: var(--space-12) 0 var(--space-10);
  }

  .baustein-result-inner {
    grid-template-columns: 1fr;
  }

  .result-item.highlight {
    grid-column: auto;
  }
}

@media (max-width: 375px) {
  .slider-number-wrap {
    grid-template-columns: 1fr auto auto;
    gap: var(--space-2);
  }

  input[type="number"].brutto-number {
    width: 72px;
  }

  .result-main-value {
    font-size: var(--font-size-2xl);
  }
}

/* ============================================================
   UTILITIES
   ============================================================ */
/* ============================================================
   PDF EXPORT BUTTON
   ============================================================ */
.pdf-export-wrap {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

.btn-pdf {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-gray-800);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.btn-pdf:hover {
  background: var(--color-gray-900);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-pdf:active {
  transform: translateY(0);
}

.btn-pdf-icon {
  font-size: 1.1em;
}

.btn-presentation {
  background: var(--color-primary);
}

.btn-presentation:hover {
  background: var(--color-primary-dark);
}

/* ============================================================
   KOMBINIERBARKEIT / KONFLIKTE
   ============================================================ */

/* Konflikt-Banner innerhalb einer Card */
.konflikt-banner {
  margin-top: var(--space-4);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-xs);
  line-height: var(--line-height-relaxed);
  animation: slideInBanner 0.25s ease;
}

@keyframes slideInBanner {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.konflikt-hard {
  background: #fef2f2;
  border: 1.5px solid #fca5a5;
  color: #7f1d1d;
}

.konflikt-soft {
  background: #fffbeb;
  border: 1.5px solid #fcd34d;
  color: #78350f;
}

/* Card-Hervorhebung bei Konflikt */
.baustein-card.has-konflikt-hard {
  border-color: #f87171;
  box-shadow: 0 0 0 3px rgb(239 68 68 / 0.1), var(--shadow-md);
}

.baustein-card.has-konflikt-soft {
  border-color: #fbbf24;
  box-shadow: 0 0 0 3px rgb(251 191 36 / 0.12), var(--shadow-md);
}

/* Kombi-Info Legende */
.kombi-legende {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  padding: var(--space-4) var(--space-5);
  background: white;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--color-gray-200);
  font-size: var(--font-size-xs);
}

.kombi-legende-title {
  width: 100%;
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-1);
}

.kombi-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-gray-600);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid currentColor;
  opacity: 0.7;
}

.kombi-item.ok    { color: var(--color-primary); }
.kombi-item.warn  { color: #d97706; }
.kombi-item.error { color: #dc2626; }

/* ============================================================
   PRINT / PDF STYLES
   ============================================================ */
@media print {
  .section-nav,
  .hero-stats,
  .pdf-export-wrap,
  #bausteine,
  #erklaerung,
  #faq,
  .site-footer {
    display: none !important;
  }
}

/* ============================================================
   UTILITIES
   ============================================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.text-center { text-align: center; }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }

/* ============================================================
   SITE TOPBAR (shared across all pages via header.php partial)
   ============================================================ */
.site-topbar {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.site-topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.25rem;
}
.topbar-brand {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -.01em;
}
.topbar-brand:hover { color: var(--color-primary-dark); }
.topbar-nav {
  display: flex;
  gap: var(--space-6);
}
.topbar-nav a {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-600);
  text-decoration: none;
  transition: color .15s;
}
.topbar-nav a:hover { color: var(--color-primary); }

/* Dropdown */
.topbar-dropdown { position: relative; }
.topbar-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: default;
  user-select: none;
}
.topbar-chevron { font-size: .7em; transition: transform .2s; }
.topbar-dropdown:hover .topbar-chevron { transform: rotate(180deg); }
.topbar-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  min-width: 220px;
  padding: var(--space-2) 0;
  columns: 2;
  column-gap: 0;
}
.topbar-dropdown:hover .topbar-dropdown-menu { display: block; }
/* keep menu open when cursor moves into it */
.topbar-dropdown-menu::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 0; right: 0;
  height: 8px;
}
.topbar-dropdown-menu a {
  display: block;
  padding: 7px var(--space-4);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  text-decoration: none;
  white-space: nowrap;
  break-inside: avoid;
  transition: background .1s, color .1s;
}
.topbar-dropdown-menu a:hover { background: var(--color-primary-bg); color: var(--color-primary); }
.topbar-dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-2) 0;
  column-span: all;
}
.topbar-dropdown-all {
  column-span: all;
  font-weight: var(--font-weight-semibold) !important;
  color: var(--color-primary) !important;
  text-align: center;
}

/* Hamburger button – hidden on desktop */
.topbar-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 4px;
  margin-left: auto;
}
.topbar-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-gray-700);
  border-radius: 2px;
  transition: transform .2s, opacity .2s;
}
/* Animated X when open */
.topbar-hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.topbar-hamburger.is-open span:nth-child(2) { opacity: 0; }
.topbar-hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .topbar-hamburger { display: flex; }

  .topbar-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2) 0 var(--space-3);
    gap: 0;
    z-index: 200;
  }
  .topbar-nav.is-open { display: flex; }

  .topbar-nav > a {
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-base);
    border-bottom: 1px solid var(--color-gray-100);
  }

  /* Mobile dropdown: trigger fills row */
  .topbar-dropdown { width: 100%; }
  .topbar-dropdown-trigger {
    display: flex;
    justify-content: space-between;
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-base);
    border-bottom: 1px solid var(--color-gray-100);
    width: 100%;
  }
  .topbar-dropdown:hover .topbar-chevron { transform: none; }
  .topbar-dropdown.submenu-open .topbar-chevron { transform: rotate(180deg); }

  /* Mobile submenu: inline, single column */
  .topbar-dropdown-menu {
    position: static;
    transform: none;
    left: auto;
    box-shadow: none;
    border: none;
    border-radius: 0;
    background: var(--color-gray-50);
    columns: 1;
    display: none;
    padding: var(--space-1) 0;
    min-width: 0;
  }
  .topbar-dropdown:hover .topbar-dropdown-menu { display: none; }
  .topbar-dropdown.submenu-open .topbar-dropdown-menu { display: block; }

  .topbar-dropdown-menu a {
    padding: 9px var(--space-8);
    font-size: var(--font-size-sm);
    white-space: normal;
  }
  .topbar-dropdown-all { text-align: left; }
}

/* ============================================================
   BREADCRUMB NAV (detail pages)
   ============================================================ */
.breadcrumb-nav {
  background: var(--color-gray-50);
  border-bottom: 1px solid var(--color-border);
  padding: .6rem 0;
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}
.breadcrumb-nav ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.breadcrumb-nav li + li::before {
  content: '/';
  color: var(--color-gray-400);
  margin: 0 .45rem;
}
.breadcrumb-nav a {
  color: var(--color-primary);
  text-decoration: none;
}
.breadcrumb-nav a:hover { text-decoration: underline; }

/* ============================================================
   DETAIL HERO (leistungen detail pages)
   ============================================================ */
.detail-hero {
  background: linear-gradient(135deg, var(--color-gray-900) 0%, #0f3a20 100%);
  color: #fff;
  padding: var(--space-16) 0 var(--space-12);
}
.detail-hero .hero-badge {
  background: rgba(255,255,255,.12);
  color: #d1fae5;
  display: inline-block;
  padding: .3rem .9rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.detail-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.15;
  margin: 0 0 var(--space-4);
  color: #fff;
}
.detail-hero h1 .highlight { color: #a7f3d0; }
.detail-hero .hero-subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,.9);
  max-width: 660px;
  margin: 0 0 var(--space-8);
  line-height: 1.6;
}
.detail-hero-meta {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.detail-hero-meta .meta-item {
  display: flex;
  flex-direction: column;
  gap: .2rem;
}
.meta-item .meta-label {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,.8);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.meta-item .meta-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: #6ee7b7;
}

/* ============================================================
   DETAIL CONTENT LAYOUT
   ============================================================ */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-10);
  align-items: start;
  padding: var(--space-12) 0;
}
@media (max-width: 900px) {
  .detail-layout { grid-template-columns: 1fr; }
}
.detail-main h2 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  margin: var(--space-8) 0 var(--space-4);
}
.detail-main h2:first-child { margin-top: 0; }
.detail-main p {
  color: var(--color-gray-700);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}
.detail-main ul {
  color: var(--color-gray-700);
  line-height: 1.7;
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}
.detail-main ul li { margin-bottom: var(--space-2); }

/* ============================================================
   KEY INFO BOX (sidebar)
   ============================================================ */
.keyinfo-box {
  background: var(--color-primary-bg);
  border: 1px solid var(--color-primary-light);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  position: sticky;
  top: 4.5rem;
}
.keyinfo-box h3 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-dark);
  margin: 0 0 var(--space-4);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-size: var(--font-size-xs);
}
.keyinfo-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-primary-light);
}
.keyinfo-row:last-child { border-bottom: none; padding-bottom: 0; }
.keyinfo-row:first-of-type { padding-top: 0; }
.keyinfo-label {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.keyinfo-value {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
}
.keyinfo-value.large {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

/* ============================================================
   CALC EXAMPLE BOX
   ============================================================ */
.calc-example-box {
  background: var(--color-gray-900);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-8);
  margin: var(--space-8) 0;
}
.calc-example-box h3 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: var(--font-size-xs);
  margin: 0 0 var(--space-4);
}
.calc-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--space-2) 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,.75);
}
.calc-row:last-child { border-bottom: none; }
.calc-row.result {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(255,255,255,.2);
  border-bottom: none;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: #6ee7b7;
}
.calc-row .calc-val { font-weight: var(--font-weight-semibold); color: #fff; }

/* ============================================================
   CTA BOX
   ============================================================ */
.cta-box {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-10) var(--space-10);
  text-align: center;
  color: #fff;
  margin: var(--space-12) 0;
}
.cta-box h2 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin: 0 0 var(--space-3);
}
.cta-box p { color: rgba(255,255,255,.85); margin: 0 0 var(--space-6); font-size: var(--font-size-lg); }
.cta-box .btn-cta {
  display: inline-block;
  background: #fff;
  color: var(--color-primary-dark);
  font-weight: var(--font-weight-bold);
  padding: .85rem 2.5rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-size: var(--font-size-base);
  transition: transform .15s, box-shadow .15s;
}
.cta-box .btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
}

/* ============================================================
   LEISTUNGEN OVERVIEW GRID
   ============================================================ */
.leistungen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}
.leistung-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-decoration: none;
  color: inherit;
  transition: border-color .2s, box-shadow .2s, transform .2s;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.leistung-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.leistung-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
}
.leistung-card h3 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  margin: 0;
  line-height: 1.3;
}
.leistung-badge {
  background: var(--color-primary-bg);
  color: var(--color-primary-dark);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: .2rem .55rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.leistung-card p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin: 0;
  line-height: 1.5;
  flex: 1;
}
.leistung-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}
.leistung-card-footer .paragraph { font-family: monospace; color: var(--color-primary-dark); }
.leistung-card-footer .arrow { color: var(--color-primary); font-weight: bold; }