:root {
  /* Base – Dark Theme */
  --bg: #0a0a0f;
  --bg-elevated: #13131a;
  --bg-card: #1a1a24;
  --text: #f0f0f5;
  --text-muted: #a0a0b0;

  /* Panda Palette – Red Panda (Orange/Rot/Weiß) */
  --primary: #ff6b35;        /* Rotes Panda Orange – leuchtend */
  --primary-dark: #e85a24;
  --primary-light: #ff8c5a;
  --accent: #f8b595;         /* Helleres Orange/Beige */
  --accent-hover: #ffd4c2;
  --panda-white: #faf3e0;    /* Cremeweiß – Panda-Bauch */
  --panda-black: #1a1a1a;    /* Tiefschwarz – Panda-Fell */

  /* Gradients */
  --gradient-1: linear-gradient(135deg, #6366f1, #a855f7);
  --gradient-2: linear-gradient(135deg, #ff6b35, #ff8c5a);
  --gradient-3: linear-gradient(135deg, #f8b595, #ffd4c2);

  --border: #2a2a35;
  --success: #22c55e;
  --radius: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; transition: all 0.25s; }
a:hover { color: var(--primary-dark); }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
.site-header {
  background: rgba(19, 19, 26, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.logo {
  font-size: 1.75rem;
  font-weight: 900;
  background: var(--gradient-2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.03em;
}

.nav a {
  color: var(--text-muted);
  margin-left: 2rem;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.nav a:hover { color: var(--primary); }

/* Hero */
.hero {
  padding: 7rem 0 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 150%;
  background: radial-gradient(ellipse at center, rgba(0,229,255,0.1) 0%, transparent 70%);
  z-index: -1;
}

.hero h1 {
  font-size: 4.5rem;
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 0.5rem;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  background: linear-gradient(135deg, var(--text) 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2.5rem;
  border-radius: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-2);
  color: #000;
  box-shadow: 0 4px 14px rgba(0,229,255,0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,229,255,0.4);
}

.btn-accent {
  background: var(--gradient-3);
  color: #fff;
  box-shadow: 0 4px 14px rgba(255,140,0,0.3);
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,140,0,0.5);
}

/* Sections */
.section {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
  position: relative;
}

.section-title {
  font-size: 3rem;
  font-weight: 900;
  text-align: center;
  margin-bottom: 3.5rem;
  background: linear-gradient(135deg, var(--text), var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-2);
  opacity: 0;
  transition: opacity 0.3s;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary);
  box-shadow: 0 12px 30px rgba(0,229,255,0.15);
}

.feature-card:hover::before { opacity: 1; }

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1.25rem;
  display: block;
}

.feature-card h3 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Services List */
.services-list {
  display: grid;
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.service-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.75rem 2rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  transition: all 0.3s;
}

.service-item:hover {
  border-color: var(--primary);
  transform: translateX(6px);
  box-shadow: 0 8px 24px rgba(0,229,255,0.12);
}

.service-icon {
  font-size: 2.25rem;
  flex-shrink: 0;
  line-height: 1;
}

.service-item h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.service-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Blog */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2.5rem;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
  border-color: var(--primary);
}

.blog-image {
  height: 200px;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  position: relative;
}

.blog-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(0,0,0,0.4));
}

.blog-content {
  padding: 1.75rem;
}

.blog-meta {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-card h3 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  line-height: 1.3;
  color: var(--text);
}

.blog-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary);
}
.read-more:hover { gap: 0.6rem; }

/* Products */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.product-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  transition: all 0.3s;
}

.product-card:hover {
  border-color: var(--primary);
  transform: scale(1.03);
  box-shadow: 0 12px 30px rgba(0,229,255,0.15);
}

.product-icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
}

.product-card h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.product-card p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
  background: var(--gradient-2);
  border-radius: 24px;
  padding: 5rem 2rem;
  text-align: center;
  margin: 5rem auto;
  max-width: 1100px;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(255,255,255,0.15), transparent 60%);
  pointer-events: none;
}

.cta-section h2 {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 1.25rem;
  color: #000;
  position: relative;
}

.cta-section p {
  font-size: 1.25rem;
  color: rgba(0,0,0,0.75);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.cta-section .btn {
  background: #000;
  color: var(--primary);
  font-weight: 800;
  padding: 1.1rem 3rem;
  font-size: 1.1rem;
  position: relative;
}
.cta-section .btn:hover {
  background: #111;
  transform: scale(1.05);
  box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

/* Footer */
.site-footer {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  padding: 3.5rem 0;
  margin-top: 6rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.copyright {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links a {
  color: var(--text-muted);
  margin-left: 1.5rem;
  font-size: 0.9rem;
}
.footer-links a:hover { color: var(--primary); }

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.75rem; }
  .hero .hero-subtitle { font-size: 1.5rem; }
  .hero .hero-description { font-size: 1.1rem; }
  .section-title { font-size: 2.25rem; }
  .cta-section h2 { font-size: 2.25rem; }
  .footer-inner { flex-direction: column; text-align: center; }
  .nav a { margin-left: 1rem; font-size: 0.9rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .lab-principles { grid-template-columns: 1fr; }
  .experiments-grid { grid-template-columns: 1fr; }
}

/* Living Lab Principles */
.lab-principles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (max-width: 768px) {
  .lab-principles {
    grid-template-columns: 1fr;
  }
}

.principle-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  transition: all 0.3s;
}

.principle-card:hover {
  border-color: var(--primary);
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0,229,255,0.15);
}

.principle-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.principle-card h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.principle-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Experiments Grid */
.experiments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.experiment-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  position: relative;
  transition: all 0.3s;
}

.experiment-card:hover {
  border-color: var(--primary);
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0,229,255,0.15);
}

.experiment-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.experiment-icon {
  font-size: 2.5rem;
}

.experiment-status {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
}

.status-active {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.experiment-card h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.experiment-card > p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.experiment-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.experiment-tech span {
  font-size: 0.8rem;
  background: var(--bg-elevated);
  color: var(--text-muted);
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-weight: 600;
}

.experiment-card .read-more {
  font-size: 0.9rem;
  font-weight: 700;
}

/* CTA Section */
.cta-section .btn {
  background: #000;
  color: var(--primary);
  font-weight: 800;
  padding: 1.1rem 3rem;
  font-size: 1.1rem;
  position: relative;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s;
}

.cta-section .btn:hover {
  background: #111;
  transform: scale(1.05);
  box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

/* Read More Links */
.read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary);
}
.read-more:hover { gap: 0.6rem; }