/* Reset und Basis-Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Poppins", sans-serif;
  line-height: 1.6;
  color: #333;
  background: #000000;
  min-height: 100vh;
  overflow-x: hidden;
}

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
  padding: 1rem 0;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
}

.nav-logo i {
  font-size: 2rem;
  color: #ffffff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #4caf50;
}

.download-btn {
  background: #333333;
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 8px;
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.download-btn:hover {
  background: #444444;
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: #ffffff;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.primary-btn {
  background: #333333;
  color: white;
  border: none;
  padding: 15px 30px;
  border-radius: 8px;
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 10px;
}

.primary-btn:hover {
  background: #444444;
  transform: translateY(-3px);
}

.secondary-btn {
  background: transparent;
  color: white;
  border: 2px solid #333333;
  padding: 15px 30px;
  border-radius: 8px;
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 10px;
}

.secondary-btn:hover {
  background: #333333;
  border-color: #444444;
  transform: translateY(-3px);
}

/* Dashboard Preview */
.dashboard-preview {
  background: #111111;
  border-radius: 12px;
  border: 1px solid #333333;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.preview-header {
  background: #222222;
  padding: 15px;
  display: flex;
  align-items: center;
}

.preview-dots {
  display: flex;
  gap: 8px;
}

.preview-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
}

.preview-dots span:nth-child(1) {
  background: #ff5f56;
}
.preview-dots span:nth-child(2) {
  background: #ffbd2e;
}
.preview-dots span:nth-child(3) {
  background: #27ca3f;
}

.preview-content {
  padding: 20px;
}

.chart-placeholder {
  height: 200px;
  background: #222222;
  border-radius: 8px;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
  border: 1px solid #333333;
}

.chart-placeholder::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 60%;
  background: linear-gradient(
    90deg,
    transparent 30%,
    rgba(255, 255, 255, 0.1) 50%,
    transparent 70%
  );
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% {
    transform: translate(-50%, -50%) translateX(-100%);
  }
  100% {
    transform: translate(-50%, -50%) translateX(100%);
  }
}

.metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.metric-card {
  height: 80px;
  background: #222222;
  border-radius: 8px;
  border: 1px solid #333333;
}

/* Features Section */
.features {
  padding: 80px 0;
  background: #000000;
}

.features h2 {
  text-align: center;
  font-size: 2.5rem;
  color: white;
  margin-bottom: 3rem;
  font-weight: 700;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: #111111;
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  border: 1px solid #333333;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  border-color: #444444;
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: #333333;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.feature-icon i {
  font-size: 2rem;
  color: #ffffff;
}

.feature-card h3 {
  color: white;
  font-size: 1.3rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.feature-card p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

/* Detailed Features */
.detailed-features {
  padding: 80px 0;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.feature-text h3 {
  font-size: 2rem;
  color: white;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.feature-text p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  line-height: 1.8;
}

.dashboard-mockup {
  background: #111111;
  border-radius: 12px;
  border: 1px solid #333333;
  overflow: hidden;
  height: 400px;
  position: relative;
}

.mockup-header {
  height: 50px;
  background: #222222;
  border-bottom: 1px solid #333333;
}

.mockup-sidebar {
  position: absolute;
  left: 0;
  top: 50px;
  width: 80px;
  height: calc(100% - 50px);
  background: #222222;
  border-right: 1px solid #333333;
}

.mockup-content {
  margin-left: 80px;
  padding: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  height: calc(100% - 50px);
}

.widget-placeholder {
  background: #222222;
  border-radius: 8px;
  border: 1px solid #333333;
}

.widget-placeholder:nth-child(1) {
  grid-column: 1 / -1;
  height: 60%;
}

.widget-placeholder:nth-child(2),
.widget-placeholder:nth-child(3) {
  height: 40%;
}

/* Testimonials */
.testimonials {
  padding: 80px 0;
  background: #000000;
}

.testimonials h2 {
  text-align: center;
  font-size: 2.5rem;
  color: white;
  margin-bottom: 3rem;
  font-weight: 700;
}

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

.testimonial-card {
  background: #111111;
  border-radius: 12px;
  padding: 2rem;
  border: 1px solid #333333;
  transition: transform 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  border-color: #444444;
}

.testimonial-content p {
  color: rgba(255, 255, 255, 0.9);
  font-style: italic;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 50px;
  height: 50px;
  background: #333333;
  border-radius: 50%;
  border: 2px solid #444444;
}

.author-info h4 {
  color: white;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.author-info span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

/* Pricing */
.pricing {
  padding: 80px 0;
}

.pricing h2 {
  text-align: center;
  font-size: 2.5rem;
  color: white;
  margin-bottom: 3rem;
  font-weight: 700;
}

.pricing-card {
  background: #111111;
  border-radius: 12px;
  padding: 3rem;
  text-align: center;
  border: 1px solid #333333;
  max-width: 500px;
  margin: 0 auto;
}

.pricing-header h3 {
  color: white;
  font-size: 2rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.pricing-header p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.pricing-features ul {
  list-style: none;
  margin-bottom: 2rem;
}

.pricing-features li {
  color: rgba(255, 255, 255, 0.9);
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.pricing-features i {
  color: #ffffff;
  font-size: 1.2rem;
}

/* Footer */
.footer {
  background: #000000;
  padding: 3rem 0 1rem;
  border-top: 1px solid #333333;
}

.footer-content {
  text-align: center;
  margin-bottom: 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
}

.footer-brand i {
  font-size: 2rem;
  color: #ffffff;
}

.footer-content p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.5rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #333333;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

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

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

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

  .feature-row {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

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

  .pricing-card {
    margin: 0 20px;
    padding: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .primary-btn,
  .secondary-btn {
    padding: 12px 24px;
    font-size: 1rem;
  }

  .features h2,
  .testimonials h2,
  .pricing h2 {
    font-size: 2rem;
  }
}