/* Landing Page Styles */

/* Reset und Basis-Styles für Landing Page */
.landing-page {
  font-family:
    'Inter',
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-tertiary);
  z-index: 1000;
  transition: all 0.3s ease;
}

[data-theme='dark'] .navbar {
  background: rgba(13, 17, 23, 0.95);
  border-bottom: 1px solid var(--border-primary);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-primary);
}

.logo-img {
  height: 40px;
  width: auto;
}

.logo-text {
  background: linear-gradient(135deg, #3d97f7, #8a2be2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  gap: 30px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--button-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--button-primary);
  transition: width 0.3s ease;
}

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

/* Dark Mode Toggle angepasst */
#darkModeToggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1001;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-light);
}

#darkModeToggle:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-medium);
}

#darkModeToggle .fa-sun {
  display: none;
}

[data-theme='dark'] #darkModeToggle .fa-moon {
  display: none;
}

[data-theme='dark'] #darkModeToggle .fa-sun {
  display: block;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(61, 151, 247, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(138, 43, 226, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.gradient-text {
  background: linear-gradient(135deg, #3d97f7, #8a2be2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

/* Button Styles */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}

.btn-large {
  padding: 16px 32px;
  font-size: 1.1rem;
}

.btn-primary {
  background: linear-gradient(135deg, #3d97f7, #2980b9);
  color: white;
  box-shadow: 0 4px 15px rgba(61, 151, 247, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(61, 151, 247, 0.4);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 2px solid var(--border-primary);
}

.btn-secondary:hover {
  background: var(--bg-hover);
  transform: translateY(-2px);
}

/* Audio Wave Animation */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 1s ease-out 0.3s both;
}

.audio-wave-animation {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 200px;
}

.wave-bar {
  width: 6px;
  background: linear-gradient(135deg, #3d97f7, #8a2be2);
  border-radius: 3px;
  animation: wave 1.5s ease-in-out infinite;
}

.wave-bar:nth-child(1) {
  animation-delay: 0s;
  height: 40px;
}
.wave-bar:nth-child(2) {
  animation-delay: 0.1s;
  height: 80px;
}
.wave-bar:nth-child(3) {
  animation-delay: 0.2s;
  height: 120px;
}
.wave-bar:nth-child(4) {
  animation-delay: 0.3s;
  height: 160px;
}
.wave-bar:nth-child(5) {
  animation-delay: 0.4s;
  height: 120px;
}
.wave-bar:nth-child(6) {
  animation-delay: 0.5s;
  height: 80px;
}
.wave-bar:nth-child(7) {
  animation-delay: 0.6s;
  height: 100px;
}
.wave-bar:nth-child(8) {
  animation-delay: 0.7s;
  height: 60px;
}

@keyframes wave {
  0%,
  100% {
    transform: scaleY(1);
  }
  50% {
    transform: scaleY(1.5);
  }
}

/* Features Section */
.features {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 60px;
  color: var(--text-primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--bg-primary);
  padding: 40px 30px;
  border-radius: 16px;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid var(--border-tertiary);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, #3d97f7, #8a2be2);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-heavy);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, #3d97f7, #8a2be2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
}

.feature-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* About Section */
.about {
  padding: 100px 0;
  background: var(--bg-primary);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  text-align: left;
  margin-bottom: 30px;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 1.1rem;
  line-height: 1.7;
}

.stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--button-primary);
  margin-bottom: 8px;
}

.stat-label {
  color: var(--text-secondary);
  font-weight: 500;
}

.tech-stack {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.tech-item {
  background: var(--bg-secondary);
  padding: 20px;
  border-radius: 12px;
  text-align: center;
  font-weight: 600;
  color: var(--text-primary);
  border: 1px solid var(--border-tertiary);
  transition: all 0.3s ease;
}

.tech-item:hover {
  background: var(--button-primary);
  color: white;
  transform: scale(1.05);
}

/* CTA Section */
.cta {
  padding: 100px 0;
  background: linear-gradient(135deg, #3d97f7, #8a2be2);
  color: white;
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.cta-content p {
  font-size: 1.25rem;
  margin-bottom: 40px;
  opacity: 0.9;
}

.cta-button {
  background: white;
  color: var(--button-primary);
  font-weight: 700;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Footer */
.footer {
  background: var(--bg-tertiary);
  padding: 60px 0 30px;
  border-top: 1px solid var(--border-tertiary);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h4 {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-section ul {
  list-style: none;
  padding: 0;
}

.footer-section ul li {
  margin-bottom: 12px;
}

.footer-section ul li a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: var(--button-primary);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid var(--border-tertiary);
  color: var(--text-secondary);
}

.social-links {
  display: flex;
  gap: 20px;
}

.social-links a {
  color: var(--text-secondary);
  font-size: 1.2rem;
  transition: color 0.3s ease;
}

.social-links a:hover {
  color: var(--button-primary);
}

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

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-buttons {
    justify-content: center;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .stats {
    justify-content: center;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .tech-stack {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .btn-large {
    padding: 14px 24px;
    font-size: 1rem;
  }

  .stats {
    flex-direction: column;
    gap: 20px;
  }
}