:root {
  --bg: #0b1220;
  --bg-soft: #0f172a;
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #3b82f6;
  --accent-2: #06b6d4;
  --accent-3: #8b5cf6;
  --card: rgba(30, 41, 59, 0.5);
  --card-hover: rgba(30, 41, 59, 0.8);
  --border: rgba(148, 163, 184, 0.15);
  --border-hover: rgba(59, 130, 246, 0.4);
  --glass: rgba(15, 23, 42, 0.7);
}

* {
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 50% 0%, #172554 0%, var(--bg) 60%);
  background-attachment: fixed;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.3s ease;
}

/* --- Layout --- */

.hero {
  padding: 32px 8vw 100px;
  position: relative;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 80px;
  padding: 16px 32px;
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(to right, var(--text), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--muted);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background: var(--accent-2);
  transition: width 0.3s ease;
  border-radius: 2px;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-links a:hover::after {
  width: 100%;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(3rem, 5vw, 4.5rem);
  line-height: 1.1;
  margin-bottom: 24px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.hero-text p {
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 500px;
  margin-bottom: 32px;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 32px 0;
}

.cta-group.center-content {
  justify-content: center;
}

.btn {
  padding: 14px 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  color: #fff;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
}

.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.6);
  filter: brightness(1.1);
}

.btn.ghost {
  background: rgba(255,255,255,0.03);
  border-color: var(--border);
  color: var(--text);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn.ghost:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--muted);
  transform: translateY(-2px);
}

.subtext {
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 500;
  opacity: 0.8;
}

/* --- Mock Card (Interactive Map Teaser) --- */
.hero-card {
  display: flex;
  justify-content: flex-end;
  position: relative;
}

.hero-card::before {
  content: '';
  position: absolute;
  inset: -10% -20% -10% -10%;
  background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 70%);
  z-index: -1;
}

.mock-card {
  width: min(380px, 100%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 32px;
  padding: 24px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 24px 64px rgba(0,0,0,0.4), inset 0 1px 1px rgba(255,255,255,0.1);
  transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.mock-card:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg) translateY(-10px);
  box-shadow: 0 32px 80px rgba(59,130,246,0.3), inset 0 1px 1px rgba(255,255,255,0.2);
  border-color: var(--border-hover);
}

.mock-title {
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mock-title::before {
  content: '📍';
  font-size: 1.2rem;
}

.mock-map {
  height: 180px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.6), rgba(6, 182, 212, 0.4)), url('data:image/svg+xml;utf8,<svg width="100%" height="100%" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  margin-bottom: 20px;
  border: 1px solid rgba(255,255,255,0.1);
  position: relative;
  overflow: hidden;
}

.mock-map::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 60px; height: 60px;
  background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, transparent 60%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: radar 3s infinite ease-out;
}

.mock-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  color: var(--muted);
  border-top: 1px solid var(--border);
  font-size: 0.95rem;
}

.mock-row:first-of-type {
  border-top: none;
}

.badge {
  background: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.dot {
  width: 12px;
  height: 12px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 12px #10b981;
}

/* --- Features Section --- */
.section {
  padding: 100px 8vw;
}

.section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 48px;
  text-align: center;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 32px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(135deg, rgba(255,255,255,0.05), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
  display: inline-block;
  padding: 16px;
  background: rgba(255,255,255,0.03);
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.05);
}

.card h3 {
  font-size: 1.3rem;
  margin: 0 0 12px;
  color: var(--text);
  font-weight: 700;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 1rem;
}

.card:hover {
  transform: translateY(-8px) scale(1.02);
  background: var(--card-hover);
  border-color: var(--border-hover);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

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

.card.highlight-card {
  background: linear-gradient(145deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.9));
  border-color: rgba(6, 182, 212, 0.4);
}

.card.highlight-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 100px; height: 100px;
  background: radial-gradient(circle at top right, rgba(6, 182, 212, 0.3), transparent 70%);
}

.card.highlight-card:hover {
  border-color: var(--accent-2);
  box-shadow: 0 20px 40px rgba(6, 182, 212, 0.2);
}


/* --- Download / Highlight Section --- */
.highlight {
  background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 120px 8vw;
}

.highlight p {
  color: var(--muted);
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

/* --- Footer --- */
.footer {
  padding: 40px 8vw 60px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer strong {
  color: var(--text);
  font-size: 1.2rem;
  display: block;
  margin-bottom: 8px;
}

.footer p {
  margin: 0;
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.footer-links a:hover {
  color: var(--accent-2);
}

/* --- Legal Pages (Impressum/Datenschutz) --- */
.legal {
  max-width: 720px;
  margin: 0 auto;
  padding: 120px 20px 80px;
  color: var(--text);
}

.legal p {
  color: var(--muted);
  line-height: 1.6;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  margin-bottom: 32px;
  color: var(--muted);
}

.back-link:hover {
  color: var(--text);
  transform: translateX(-4px);
}

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideLeft {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes radar {
  0% { transform: translate(-50%, -50%) scale(0.5); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(3); opacity: 0; }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 12px #10b981; }
  50% { box-shadow: 0 0 24px #10b981, 0 0 8px #10b981 inset; }
}

.radar-dot {
  animation: pulseGlow 2s infinite ease-in-out;
}

/* Initial States for JS/CSS Animations */
.fade-in { animation: fadeInUp 0.8s ease-out forwards; }
.slide-down { animation: slideDown 0.8s ease-out forwards; }
.slide-up { animation: fadeInUp 0.8s ease-out forwards; }
.slide-left { animation: slideLeft 1s ease-out forwards; }

.stagger-1 { animation: fadeInUp 0.8s ease-out 0.1s forwards; opacity: 0; }
.stagger-2 { animation: fadeInUp 0.8s ease-out 0.2s forwards; opacity: 0; }
.stagger-3 { animation: fadeInUp 0.8s ease-out 0.3s forwards; opacity: 0; }
.stagger-4 { animation: fadeInUp 0.8s ease-out 0.4s forwards; opacity: 0; }

/* --- Responsive --- */
@media (max-width: 1299px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  
  .hero-text p {
    margin: 0 auto 32px;
  }
  
  .cta-group {
    justify-content: center;
  }
  
  .hero-card {
    justify-content: center;
  }
  
  .mock-card {
    transform: none;
  }
  
  .mock-card:hover {
    transform: translateY(-8px);
  }
  
}

/* --- Responsive --- */
@media (max-width: 1023px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  
  .hero-text p {
    margin: 0 auto 32px;
  }
  
  .cta-group {
    justify-content: center;
  }
  
  .hero-card {
    justify-content: center;
  }
  
  .mock-card {
    transform: none;
  }
  
  .mock-card:hover {
    transform: translateY(-8px);
  }
  
}

@media (max-width: 767px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 16px;
  }
  
  .footer {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-links {
    justify-content: center;
  }

  .nav {
    border-radius: 16px;
    padding: 16px;
    flex-direction: column;
    gap: 16px;
  }
  
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }
  
  .nav-links a {
    margin-left: 0;
  }
}