:root {
  --primary-color: #3b82f6;
  --secondary-color: #1e40af;
  --accent-color: #f59e0b;
  --bg-color: #f3f4f6;
  --text-color: #1f2937;
  --text-light: #6b7280;
  --white: #ffffff;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-sans); background-color: var(--bg-color); color: var(--text-color); line-height: 1.6; display: flex; flex-direction: column; min-height: 100vh; }
a { text-decoration: none; color: inherit; transition: color 0.2s; }
ul { list-style: none; }
img { max-width: 100%; display: block; border-radius: 8px; }

main { flex: 1; }

/* Layout */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 4rem 0; }

/* Glassmorphism */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
}

/* Navbar */
.navbar { position: sticky; top: 0; z-index: 50; padding: 1rem 0; background: rgba(255,255,255,0.9); border-bottom: 1px solid rgba(0,0,0,0.05); backdrop-filter: blur(10px); }
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--secondary-color); text-transform: uppercase; letter-spacing: -0.5px; }
.logo span { color: var(--primary-color); }
.nav-links { display: flex; gap: 2rem; }
.nav-links a { font-weight: 500; color: var(--text-color); }
.nav-links a:hover { color: var(--primary-color); }
.nav-cta { background: var(--primary-color); color: var(--white); padding: 0.5rem 1.25rem; border-radius: 9999px; font-weight: 600; }
.nav-cta:hover { background: var(--secondary-color); color: var(--white); }

/* Hero */
.hero { text-align: center; padding: 6rem 0; background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%); }
.hero h1 { font-size: 3rem; font-weight: 800; margin-bottom: 1rem; color: var(--secondary-color); line-height: 1.2; }
.hero p { font-size: 1.25rem; color: var(--text-light); max-width: 600px; margin: 0 auto 2rem; }
.btn-primary { display: inline-block; background: var(--primary-color); color: var(--white); padding: 0.75rem 2rem; border-radius: 8px; font-weight: 600; box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.4); }
.btn-primary:hover { background: var(--secondary-color); transform: translateY(-1px); }

/* Categories */
.category-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.category-card {
  padding: 2rem; text-align: center; border-radius: 12px; background: var(--white);
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid rgba(0,0,0,0.03);
}
.category-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.cat-icon { font-size: 3rem; margin-bottom: 1rem; display: block; }
.cat-title { font-weight: 700; font-size: 1.25rem; margin-bottom: 0.5rem; }
.cat-desc { font-size: 0.9rem; color: var(--text-light); }

/* Shop Grid */
.shop-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.shop-card { overflow: hidden; display: flex; flex-direction: column; background: var(--white); }
.shop-img-dummy { height: 200px; background-color: #e2e8f0; display: flex; align-items: center; justify-content: center; color: #94a3b8; font-weight: bold; }
.shop-content { padding: 1.5rem; flex-grow: 1; display: flex; flex-direction: column; }
.shop-badge { align-self: flex-start; background: #dbeafe; color: #1e40af; font-size: 0.75rem; padding: 0.25rem 0.75rem; border-radius: 9999px; margin-bottom: 0.75rem; font-weight: 600; }
.shop-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.5rem; }
.shop-excerpt { color: var(--text-light); font-size: 0.95rem; margin-bottom: 1.5rem; flex-grow: 1; }
.shop-link { color: var(--primary-color); font-weight: 600; display: inline-flex; align-items: center; gap: 0.25rem; }

/* Shop Detail */
.shop-detail-header { display: flex; gap: 3rem; align-items: flex-start; margin-bottom: 4rem; }
.shop-detail-img { width: 300px; height: 300px; object-fit: cover; border-radius: 12px; background: #e5e7eb; }
.shop-info h1 { font-size: 2.5rem; margin-bottom: 1rem; }
.meta-row { display: flex; gap: 1rem; margin-bottom: 2rem; font-size: 0.9rem; color: var(--text-light); }
.features-list { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; }
.feature-tag { background: #f3f4f6; padding: 0.25rem 0.75rem; border-radius: 6px; font-size: 0.85rem; border: 1px solid #e5e7eb; }
.seo-text { font-size: 1.1rem; color: #374151; max-width: 800px; }
.seo-text h2 { font-size: 1.8rem; margin: 2rem 0 1rem; color: var(--text-color); }
.seo-text h3 { font-size: 1.4rem; margin: 1.5rem 0 0.75rem; }
.seo-text p { margin-bottom: 1rem; }

/* Service Box (Stefan Pilz) */
.service-box {
  border-left: 4px solid var(--accent-color);
  background: #fffbeb;
  padding: 1.5rem;
  margin-top: 4rem;
  border-radius: 0 8px 8px 0;
  max-width: 800px;
}
.service-box h3 { color: #92400e; font-size: 1.25rem; margin-bottom: 0.5rem; }
.service-box p { color: #b45309; margin-bottom: 1rem; }
.service-box a { color: #92400e; font-weight: bold; text-decoration: underline; }

/* Resources */
.resource-list { display: grid; gap: 1rem; }
.resource-item { display: flex; align-items: center; justify-content: space-between; padding: 1.5rem; background: var(--white); border-radius: 8px; border: 1px solid #f3f4f6; transition: border-color 0.2s; }
.resource-item:hover { border-color: var(--primary-color); }
.res-info h3 { font-size: 1.2rem; margin-bottom: 0.25rem; }
.res-info p { color: var(--text-light); font-size: 0.9rem; }

/* Footer */
footer { background: #1f2937; color: #f9fafb; padding: 4rem 0 2rem; margin-top: auto; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 3rem; margin-bottom: 3rem; }
footer h4 { color: #fff; margin-bottom: 1.5rem; font-size: 1.1rem; }
footer ul li { margin-bottom: 0.75rem; }
footer a { color: #d1d5db; }
footer a:hover { color: var(--white); }
.copyright { text-align: center; border-top: 1px solid #374151; padding-top: 2rem; color: #9ca3af; font-size: 0.85rem; }
.promo-small { font-size: 0.8rem; opacity: 0.7; margin-top: 0.5rem; }

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .shop-detail-header { flex-direction: column; gap: 1.5rem; }
  .shop-detail-img { width: 100%; height: auto; aspect-ratio: 16/9; }
  .nav-links { display: none; } /* Simplified mobile for now */
}