* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    html{
      scroll-behavior: smooth;
    }
    body {
      font-family: 'Inter', sans-serif;
      background: linear-gradient(180deg, #e3f2fd 0%, #ffffff 100%);
      color: #1a1a1a;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    .lang-switch {
    text-align: right;
    padding: 24px 32px 0 0;
    font-family: 'Inter', sans-serif;
    font-size: 15px;
  }

  .lang-btn {
    color: #1976d2;
    text-decoration: none;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: inline-block;
  }

  .lang-btn:hover {
    background: #e3f2fd;
    box-shadow: 0 2px 6px rgba(25, 118, 210, 0.15);
    transform: translateY(-2px);
  }

  .lang-switch span {
    color: #888;
    margin: 0 4px;
  }
    /* Hero Section */
    .hero {
      text-align: center;
      padding: 60px 20px 40px;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: white;
      border: 1px solid #d1e3f5;
      border-radius: 30px;
      padding: 10px 20px;
      font-size: 14px;
      color: #1976d2;
      margin-bottom: 30px;
    }
    h1 {
      font-size: 56px;
      font-weight: 700;
      color: #1976d2;
      margin-bottom: 20px;
    }
    .subtitle {
      font-size: 28px;
      font-weight: 600;
      color: #1a1a1a;
      margin-bottom: 20px;
    }
    .description {
      font-size: 18px;
      color: #666;
      max-width: 800px;
      margin: 0 auto 40px;
      line-height: 1.6;
    }
    .cta-buttons {
      display: flex;
      gap: 20px;
      justify-content: center;
      margin-bottom: 60px;
    }
    .btn {
      padding: 14px 32px;
      border-radius: 8px;
      font-size: 16px;
      font-weight: 600;
      cursor: pointer;
      border: none;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.3s;
    }
    .btn-primary {
      background: #1976d2;
      color: white;
    }
    .btn-primary:hover {
      background: #1565c0;
    }
    .btn-secondary {
      background: white;
      color: #1976d2;
      border: 2px solid #1976d2;
    }
    .btn-secondary:hover {
      background: #f5f5f5;
    }
    .hero-image {
      max-width: 900px;
      width: 100%;
      margin: 0 auto;
      border-radius: 16px;
      box-shadow: 0 20px 60px rgba(0,0,0,0.1);
    }
    .hero-image img {
      width: 100%;
      border-radius: 16px;
    }
    /* Features Section */
    .features {
      padding: 80px 20px;
      background: white;
    }
    .features h2 {
      font-size: 42px;
      font-weight: 700;
      color: #1976d2;
      text-align: center;
      margin-bottom: 10px;
    }
    .features-subtitle {
      text-align: center;
      color: #666;
      font-size: 18px;
      margin-bottom: 60px;
    }
    .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      max-width: 1100px;
      margin: 0 auto;
    }
    .feature-card {
      background: white;
      border: 1px solid #e0e0e0;
      border-radius: 12px;
      padding: 30px;
      text-align: center;
      transition: box-shadow 0.3s;
    }
    .feature-card:hover {
      box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    }
    .feature-icon {
      width: 60px;
      height: 60px;
      background: #e3f2fd;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 20px;
      font-size: 28px;
      color: #1976d2;
    }
    .feature-card h3 {
      font-size: 18px;
      font-weight: 600;
      color: #1976d2;
      margin-bottom: 10px;
    }
    .feature-card p {
      font-size: 14px;
      color: #666;
      line-height: 1.5;
    }
    /* About Section */
    .about {
      padding: 80px 20px;
      background: linear-gradient(180deg, #ffffff 0%, #e3f2fd 100%);
    }
    .about-content {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
      max-width: 1100px;
      margin: 0 auto;
    }
    .about-image {
      background: #64b5f6;
      border-radius: 20px;
      padding: 40px;
      display: flex;
      justify-content: center;
      align-items: center;
    }
    .about-image img {
      max-width: 280px;
      width: 100%;
    }
    .about-text .tag {
      display: inline-block;
      background: white;
      border: 1px solid #d1e3f5;
      border-radius: 20px;
      padding: 6px 16px;
      font-size: 13px;
      color: #1976d2;
      margin-bottom: 20px;
    }
    .about-text h2 {
      font-size: 36px;
      font-weight: 700;
      color: #1976d2;
      margin-bottom: 20px;
      line-height: 1.3;
    }
    .about-text .intro {
      font-size: 16px;
      color: #666;
      margin-bottom: 30px;
      line-height: 1.6;
    }
    .benefits-list {
      list-style: none;
    }
    .benefits-list li {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
      font-size: 15px;
      color: #333;
    }
    .benefits-list li i {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 24px;
      background: #e3f2fd;
      color: #1976d2;
      border-radius: 50%;
      font-size: 14px;
      flex-shrink: 0;
    }
    /* CTA Section */
    .cta-section {
      background: linear-gradient(135deg, #1976d2 0%, #1565c0 100%);
      padding: 80px 20px;
      text-align: center;
      color: white;
    }
    .cta-section h2 {
      font-size: 42px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .cta-section p {
      font-size: 16px;
      max-width: 700px;
      margin: 0 auto 40px;
      line-height: 1.6;
    }
    .signup-form {
      display: flex;
      gap: 10px;
      max-width: 500px;
      margin: 0 auto 15px;
    }
    .signup-form input {
      flex: 1;
      padding: 14px 20px;
      border: none;
      border-radius: 8px;
      font-size: 16px;
    }
    .signup-form button {
      padding: 14px 32px;
      background: white;
      color: #1976d2;
      border: none;
      border-radius: 8px;
      font-size: 16px;
      font-weight: 600;
      cursor: pointer;
    }
    .signup-form button:hover {
      background: #f5f5f5;
    }
    .privacy-note {
      font-size: 13px;
      color: rgba(255,255,255,0.8);
    }
    /* Footer */
    footer {
      background: #0d47a1;
      color: white;
      padding: 60px 20px 30px;
    }
    .footer-content {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 60px;
      max-width: 1100px;
      margin: 0 auto 40px;
    }
    .footer-brand h3 {
      font-size: 24px;
      margin-bottom: 15px;
    }
    .footer-brand p {
      font-size: 14px;
      color: rgba(255,255,255,0.8);
      line-height: 1.6;
    }
    .footer-section h4 {
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 20px;
    }
    .footer-section ul {
      list-style: none;
    }
    .footer-section ul li {
      margin-bottom: 12px;
    }
    .footer-section a {
      color: rgba(255,255,255,0.8);
      text-decoration: none;
      font-size: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-section a:hover {
      color: white;
    }
    .footer-bottom {
      text-align: center;
      padding-top: 30px;
      border-top: 1px solid rgba(255,255,255,0.1);
      font-size: 13px;
      color: rgba(255,255,255,0.6);
    }
    @media (max-width: 768px) {
      h1 { font-size: 36px; }
      .subtitle { font-size: 22px; }
      .cta-buttons { flex-direction: column; }
      .about-content { grid-template-columns: 1fr; }
      .footer-content { grid-template-columns: 1fr; }
      .signup-form { flex-direction: column; }
    }





    /* Dodaj te style do istniejącego CSS */

/* Hero Section - ulepszone cienie i głębia */
.hero {
  text-align: center;
  padding: 60px 20px 40px;
  position: relative;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: white;
  border: 1px solid #d1e3f5;
  border-radius: 30px;
  padding: 10px 20px;
  font-size: 14px;
  color: #1976d2;
  margin-bottom: 30px;
  box-shadow: 0 4px 12px rgba(25, 118, 210, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(25, 118, 210, 0.15);
}

/* Przyciski z 3D efektem */
.btn {
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s;
  position: relative;
}

.btn-primary {
  background: #1976d2;
  color: white;
  box-shadow: 0 4px 14px rgba(25, 118, 210, 0.4);
}

.btn-primary:hover {
  background: #1565c0;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(25, 118, 210, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(25, 118, 210, 0.3);
}

.btn-secondary {
  background: white;
  color: #1976d2;
  border: 2px solid #1976d2;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.btn-secondary:hover {
  background: #f5f5f5;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

/* Hero image z perspektywą */
.hero-image {
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  border-radius: 16px;
  box-shadow: 
    0 20px 60px rgba(0,0,0,0.15),
    0 10px 30px rgba(25, 118, 210, 0.1);
  transition: transform 0.5s ease;
  perspective: 1000px;
}

.hero-image:hover {
  transform: translateY(-8px);
  box-shadow: 
    0 30px 80px rgba(0,0,0,0.2),
    0 15px 40px rgba(25, 118, 210, 0.15);
}

.hero-image img {
  width: 100%;
  border-radius: 16px;
  transition: transform 0.5s;
}

/* Feature cards z 3D efektem */
.feature-card {
  background: white;
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 
    0 12px 24px rgba(0,0,0,0.1),
    0 6px 12px rgba(25, 118, 210, 0.08);
  border-color: #1976d2;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 28px;
  color: #1976d2;
  box-shadow: 0 4px 12px rgba(25, 118, 210, 0.2);
  transition: all 0.3s;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotateY(10deg);
  box-shadow: 0 6px 20px rgba(25, 118, 210, 0.3);
}

/* About Section - obrazek z perspektywą */
.about-image {
  background: linear-gradient(135deg, #64b5f6 0%, #42a5f5 100%);
  border-radius: 20px;
  padding: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 
    0 20px 50px rgba(100, 181, 246, 0.3),
    0 10px 25px rgba(0, 0, 0, 0.1);
  transition: transform 0.5s;
}

.about-image:hover {
  transform: scale(1.05);
  box-shadow: 
    0 25px 60px rgba(100, 181, 246, 0.4),
    0 12px 30px rgba(0, 0, 0, 0.15);
}

.about-image img {
  max-width: 280px;
  width: 100%;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
  transition: transform 0.5s;
}

.about-image:hover img {
  transform: translateY(-10px) rotateY(5deg);
}

/* Tag z głębią */
.about-text .tag {
  display: inline-block;
  background: white;
  border: 1px solid #d1e3f5;
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 13px;
  color: #1976d2;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(25, 118, 210, 0.1);
}

/* Benefits list items z animacją */
.benefits-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 15px;
  color: #333;
  transition: transform 0.2s;
}

.benefits-list li:hover {
  transform: translateX(5px);
}

.benefits-list li i {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
  color: #1976d2;
  border-radius: 50%;
  font-size: 14px;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(25, 118, 210, 0.2);
}

/* Signup form z głębią */
.signup-form input {
  flex: 1;
  padding: 14px 20px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s;
}

.signup-form input:focus {
  outline: none;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.signup-form button {
  padding: 14px 32px;
  background: white;
  color: #1976d2;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
  transition: all 0.3s;
}

.signup-form button:hover {
  background: #f5f5f5;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 255, 255, 0.4);
}

/* Footer links z hover efektem */
.footer-section a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}

.footer-section a:hover {
  color: white;
  transform: translateX(3px);
}