:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-accent: #f97316;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 10px 25px rgba(15, 23, 42, 0.1);
  --max-width: 1160px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header / Nav */
header.site-header {
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(6px);
  z-index: 100;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.2rem;
  text-decoration: none;
  color: var(--color-text);
}
.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
}
nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}
nav.main-nav a {
  text-decoration: none;
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 500;
}
nav.main-nav a:hover { color: var(--color-primary); }
nav.main-nav a.active { color: var(--color-primary); }
.nav-toggle { display: none; }

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  padding: 56px 0 32px;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--color-primary-dark);
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}
.hero p.lead {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 0 auto 8px;
}

/* Filter panel */
.advisor {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 28px;
  margin: 32px 0;
  border: 1px solid var(--color-border);
}
.advisor h2 {
  margin-top: 0;
  font-size: 1.3rem;
}
.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.filter-group h3 {
  font-size: 0.95rem;
  margin: 0 0 10px;
  color: var(--color-text);
}
.filter-option {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 0.9rem;
  cursor: pointer;
}
.filter-option input { margin-top: 3px; }
.filter-option .option-desc {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}
.filter-actions {
  margin-top: 20px;
  display: flex;
  gap: 12px;
}
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-ghost { background: transparent; color: var(--color-text-muted); border: 1px solid var(--color-border); }

/* Results */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 24px;
}
.printer-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px;
  background: #fff;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.printer-card .rank {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.printer-card img {
  border-radius: 8px;
  aspect-ratio: 1;
  object-fit: contain;
  background: var(--color-bg-alt);
  padding: 10px;
}
.printer-card h3 { margin: 0; font-size: 1.05rem; }
.printer-card .price {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}
.printer-card .desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  flex-grow: 1;
}
.printer-card .features {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.82rem;
  color: var(--color-text);
}
.printer-card .features li { padding: 2px 0; }
.printer-card .features li::before { content: "✓ "; color: var(--color-primary); }
.printer-card .rating { font-size: 0.85rem; color: var(--color-text-muted); }
.printer-card .aff-disclosure {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}
.empty-state, .error-message {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text-muted);
}

/* Testimonials */
.testimonials {
  padding: 48px 0;
  background: var(--color-bg-alt);
}
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 24px;
}
.testimonial-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
}
.testimonial-card p { font-size: 0.92rem; }
.testimonial-card .author {
  font-weight: 600;
  font-size: 0.88rem;
  margin-top: 8px;
}
.testimonial-card .author span {
  font-weight: 400;
  color: var(--color-text-muted);
}

/* Footer */
footer.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
  margin-top: 40px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { text-decoration: none; color: var(--color-text-muted); }
.footer-links a:hover { color: var(--color-primary); }
.affiliate-notice {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  border-radius: 8px;
  padding: 12px 16px;
  margin-top: 24px;
}

@media (max-width: 720px) {
  nav.main-nav { display: none; }
}

/* Content pages (guide, glossar, legal, ueber-uns) */
.page-content { padding: 40px 0 60px; }
.page-content h1 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin-bottom: 8px; letter-spacing: -0.01em; }
.page-content .page-lead { color: var(--color-text-muted); font-size: 1.05rem; max-width: 720px; margin-bottom: 32px; }
.page-content h2 { font-size: 1.4rem; margin-top: 40px; margin-bottom: 12px; }
.page-content h3 { font-size: 1.15rem; margin-top: 24px; margin-bottom: 8px; }
.page-content p { margin: 0 0 14px; }
.page-content ul, .page-content ol { margin: 0 0 14px; padding-left: 22px; }
.page-content li { margin-bottom: 4px; }
.page-content table { width: 100%; border-collapse: collapse; margin: 16px 0 24px; font-size: 0.9rem; }
.page-content th, .page-content td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--color-border); }
.page-content th { background: var(--color-bg-alt); font-weight: 600; }
.tip-box {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: var(--radius);
  padding: 14px 18px;
  margin: 16px 0 24px;
  font-size: 0.92rem;
}
.tip-box strong { color: var(--color-primary-dark); }

/* Guide hub cards */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 24px 0 40px;
}
.guide-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.guide-card .step-num {
  display: inline-flex;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.9rem;
  margin-bottom: 10px;
}
.guide-card h3 { margin-top: 0; }
.guide-card ul { font-size: 0.88rem; color: var(--color-text-muted); }
.guide-card a.btn { margin-top: 8px; }

/* Glossar */
.glossar-jumplist {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 16px 0 32px;
}
.glossar-jumplist a {
  display: inline-flex;
  width: 32px; height: 32px;
  align-items: center; justify-content: center;
  border-radius: 6px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
}
.glossar-letter { margin-top: 36px; }
.glossar-letter > h2 {
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 4px;
  display: inline-block;
}
.glossar-term {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 14px;
}
.glossar-term h3 { margin: 0 0 6px; }
.glossar-term .short-def { color: var(--color-text-muted); font-size: 0.92rem; margin: 0; }

/* 3D-Stift product list */
.pen-list { display: flex; flex-direction: column; gap: 16px; margin-top: 24px; }
.pen-card {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 18px;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.pen-card img { width: 100%; aspect-ratio: 1; object-fit: contain; background: var(--color-bg-alt); border-radius: 8px; padding: 6px; }
.pen-card h3 { margin: 0 0 4px; font-size: 1rem; }
.pen-card .pen-desc { font-size: 0.85rem; color: var(--color-text-muted); margin: 4px 0; }
.pen-card .pen-meta { text-align: right; white-space: nowrap; }
.pen-card .price { font-size: 1.15rem; font-weight: 700; color: var(--color-primary-dark); display: block; }
@media (max-width: 640px) {
  .pen-card { grid-template-columns: 80px 1fr; }
  .pen-card .pen-meta { grid-column: 1 / -1; text-align: left; }
}

/* Ueber uns */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin: 24px 0;
}
.team-card { text-align: center; }
.team-card .avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  margin: 0 auto 10px;
}
.team-card .role { font-size: 0.85rem; color: var(--color-text-muted); }

/* Legal pages */
.legal-content h2 { font-size: 1.15rem; margin-top: 28px; }
.legal-content address { font-style: normal; }