/* =============================================================
   Scan Pro Child — wissen.css
   ============================================================= */

/* ---------------------------------------------------------------
   Layout principal
   --------------------------------------------------------------- */
.wissen-content-section { padding: 80px 0; }

.wissen-content-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 60px;
  align-items: start;
}

.wissen-text h2 {
  font-size: clamp(20px, 2.6vw, 28px);
  margin: 40px 0 16px;
  color: var(--color-text);
}

.wissen-text h2:first-child { margin-top: 0; }

.wissen-text p {
  font-size: 16px;
  line-height: 1.8;
  color: #444;
  margin-bottom: 16px;
}

.wissen-intro-text {
  font-size: 16px;
  line-height: 1.8;
  color: #444;
  margin-bottom: 24px;
  max-width: 720px;
}

/* ---------------------------------------------------------------
   Sidebar de navegação
   --------------------------------------------------------------- */
.wissen-sidebar {
  background: var(--color-secondary);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: sticky;
  top: 128px;
  border-left: 3px solid var(--color-primary);
}

.wissen-sidebar h4 {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.wissen-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.wissen-nav a {
  display: block;
  padding: 9px 12px;
  border-radius: var(--radius);
  text-decoration: none;
  color: #555;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.18s, color 0.18s;
}

.wissen-nav a:hover { background: rgba(25, 131, 147, 0.07); color: var(--color-primary); }

.wissen-nav li.active a {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ---------------------------------------------------------------
   Hub de entrada (página Wissen pai)
   --------------------------------------------------------------- */
.wissen-hub-section { padding: 80px 0 96px; }

.wissen-hub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.wissen-hub-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 3px solid transparent;
  border-radius: var(--radius-lg);
  padding: 32px;
  text-decoration: none;
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-top-color 0.22s ease;
}

.wissen-hub-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  border-top-color: var(--color-primary);
}

.wissen-hub-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--color-text);
}

.wissen-hub-card p {
  font-size: 14px;
  color: #555;
  line-height: 1.6;
  flex: 1;
  margin-bottom: 0;
}

.wissen-hub-link {
  display: inline-block;
  margin-top: 20px;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 13.5px;
}

/* ---------------------------------------------------------------
   CO₂ — escala visual
   --------------------------------------------------------------- */
.wissen-info-box {
  background: var(--color-secondary);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin: 32px 0;
}

.wissen-info-box h3 {
  font-size: 18px;
  margin-bottom: 20px;
  color: var(--color-text);
}

.co2-scale { display: flex; flex-direction: column; gap: 10px; }

.co2-level {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  border-radius: 4px;
}

.co2-good  { background: #e8f5e9; border-left: 4px solid #43a047; }
.co2-ok    { background: #fff8e1; border-left: 4px solid #fdd835; }
.co2-warn  { background: #fff3e0; border-left: 4px solid #fb8c00; }
.co2-bad   { background: #fce4ec; border-left: 4px solid #e53935; }

.co2-value {
  font-weight: 700;
  font-size: 15px;
  min-width: 160px;
  font-family: var(--font-heading);
}

.co2-label { font-size: 14px; color: #444; }

/* ---------------------------------------------------------------
   Fórmula box — fundo claro, acento teal
   --------------------------------------------------------------- */
.wissen-formula-box {
  background: var(--color-secondary);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: 24px 28px;
  margin: 24px 0;
}

.formula {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.formula-note {
  font-size: 13px;
  color: var(--color-muted);
}

/* ---------------------------------------------------------------
   FAQ Accordion
   --------------------------------------------------------------- */
.faq-gruppe { margin-bottom: 48px; }

.faq-gruppe h2 {
  font-size: 22px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-border);
}

.faq-accordion { display: flex; flex-direction: column; gap: 8px; }

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: var(--color-white);
  border: none;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  text-align: left;
  gap: 16px;
  color: var(--color-text);
  transition: background 0.18s, color 0.18s;
}

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

.faq-question[aria-expanded="true"] {
  background: var(--color-primary);
  color: var(--color-white);
}

.faq-icon {
  font-size: 20px;
  font-weight: 300;
  flex-shrink: 0;
  transition: transform 0.2s;
  line-height: 1;
}

.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }

.faq-answer {
  display: none;
  padding: 20px;
  background: var(--color-secondary);
}

.faq-answer.open { display: block; }

.faq-answer p { font-size: 15px; line-height: 1.75; color: #444; margin: 0; }

/* ---------------------------------------------------------------
   Normen cards
   --------------------------------------------------------------- */
.norm-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 20px;
  transition: box-shadow 0.2s;
}

.norm-card:hover { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.07); }

.norm-card-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 14px;
}

.norm-code {
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 13px;
  padding: 4px 10px;
  border-radius: 3px;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 4px;
}

.norm-card h3 { font-size: 18px; color: var(--color-text); }

.norm-card > p { font-size: 15px; line-height: 1.7; color: #444; }

.norm-card-footer {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 8px;
  align-items: center;
}

.norm-gilt-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.norm-gilt { font-size: 13px; color: var(--color-primary); font-weight: 600; }

/* ---------------------------------------------------------------
   Regelung cards
   --------------------------------------------------------------- */
.regelung-card {
  border-left: 4px solid var(--color-primary);
  padding: 28px 28px 28px 32px;
  margin-bottom: 32px;
  background: var(--color-secondary);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.regelung-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.regelung-kuerzel {
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14px;
  padding: 6px 14px;
  border-radius: 3px;
  letter-spacing: 1px;
  flex-shrink: 0;
}

.regelung-card h3 { font-size: 20px; color: var(--color-text); }

.regelung-card > p { font-size: 15px; line-height: 1.7; color: #444; margin-bottom: 12px; }

.regelung-empfehlung { font-style: italic; }

.regelung-pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 20px;
}

.regelung-pros h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #388e3c;
  margin-bottom: 10px;
}

.regelung-cons h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #c62828;
  margin-bottom: 10px;
}

.regelung-pros ul,
.regelung-cons ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.regelung-pros li,
.regelung-cons li { font-size: 14px; color: #444; padding-left: 18px; position: relative; }

.regelung-pros li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #388e3c;
  font-weight: 700;
}

.regelung-cons li::before {
  content: '✗';
  position: absolute;
  left: 0;
  color: #c62828;
  font-weight: 700;
}

/* ---------------------------------------------------------------
   Blog grid
   --------------------------------------------------------------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.blog-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.blog-card-img img { width: 100%; height: 200px; object-fit: cover; display: block; }
.blog-card-img-placeholder { height: 200px; background: var(--color-secondary); }

.blog-card-body { padding: 20px; }

.blog-card-date { font-size: 12px; color: var(--color-muted); }

.blog-card h3 { font-size: 18px; margin: 8px 0; }
.blog-card h3 a { text-decoration: none; color: var(--color-text); transition: color 0.18s; }
.blog-card h3 a:hover { color: var(--color-primary); }

.blog-card > .blog-card-body > p { font-size: 14px; color: #555; line-height: 1.6; }

.blog-card-link {
  display: inline-block;
  margin-top: 12px;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
}

.blog-pagination { margin-top: 40px; display: flex; gap: 8px; flex-wrap: wrap; }

.blog-pagination .page-numbers {
  padding: 8px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-text);
  font-size: 14px;
}

.blog-pagination .page-numbers.current {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.blog-empty { color: var(--color-muted); font-style: italic; }

/* ---------------------------------------------------------------
   CTA inline
   --------------------------------------------------------------- */
.wissen-cta-inline {
  background: var(--color-secondary);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-top: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.wissen-cta-inline p { font-size: 16px; font-weight: 600; margin: 0; color: var(--color-text); }

/* ---------------------------------------------------------------
   Responsivo — 1024px
   --------------------------------------------------------------- */
@media (max-width: 1024px) {
  .wissen-hub-grid { grid-template-columns: repeat(2, 1fr); }
  .regelung-pros-cons { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------------
   Responsivo — 768px
   --------------------------------------------------------------- */
@media (max-width: 768px) {
  .wissen-content-grid { grid-template-columns: 1fr; }
  .wissen-sidebar { position: static; }
  .wissen-hub-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .co2-level { flex-direction: column; align-items: flex-start; gap: 4px; }
  .co2-value { min-width: unset; }
  .wissen-cta-inline { flex-direction: column; align-items: flex-start; }
}