/* Reset and Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f8f9fa;
}

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

/* Navigation */
.navbar {
  background: linear-gradient(135deg, #007bff, #0056b3);
  padding: 1rem 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.nav-link {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: #ffc107;
}

.nav-cta {
  background: #25d366;
  color: white !important;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: background 0.3s ease;
}

.nav-cta:hover {
  background: #128c7e;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: white;
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 120px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="500" cy="500" r="400" fill="url(%23a)"/></svg>');
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 123, 255, 0.1);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hero-text h2 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.hero-description {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
}

.stat {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

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

.hero-image img {
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, #ffc107, #fd7e14);
  color: #333;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(255, 193, 7, 0.3);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-secondary:hover {
  background: white;
  color: #007bff;
}

.btn-success {
  background: linear-gradient(135deg, #28a745, #20c997);
  color: white;
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(40, 167, 69, 0.3);
}

.btn-outline {
  background: transparent;
  color: #007bff;
  border: 2px solid #007bff;
}

.btn-outline:hover {
  background: #007bff;
  color: white;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* Section Styles */
section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  color: #333;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.section-header p {
  font-size: 1.2rem;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

/* Features Section */
.features {
  background: white;
}

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

.feature-card {
  background: #f8f9fa;
  padding: 2rem;
  border-radius: 20px;
  text-align: center;
  transition: transform 0.3s ease;
  border: 1px solid #e9ecef;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #007bff, #0056b3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  color: white;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #333;
}

/* Free Package Section */
.free-package {
  background: linear-gradient(135deg, #e3f2fd, #bbdefb);
}

.free-package-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.free-features h3 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
  color: #333;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.1rem;
}

.cta-section {
  text-align: center;
}

.cta-section h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.guarantee {
  margin-top: 1rem;
  font-size: 1.1rem;
  color: #28a745;
  font-weight: 600;
}

/* Pricing Section */
.pricing {
  background: #f8f9fa;
}

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

.pricing-card {
  background: white;
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-10px);
}

.pricing-card.featured {
  border: 3px solid #ffc107;
  transform: scale(1.05);
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-10px);
}

.popular-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: #ffc107;
  color: #333;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-header h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.price {
  margin: 1.5rem 0;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.5rem;
}

.currency {
  font-size: 1.5rem;
  color: #666;
}

.amount {
  font-size: 3rem;
  font-weight: 800;
  color: #007bff;
}

.period {
  color: #666;
  font-size: 1rem;
}

.card-features {
  margin: 2rem 0;
}

.feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  justify-content: center;
}

/* Testimonials Section */
.testimonials {
  background: white;
}

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

.testimonial-card {
  background: #f8f9fa;
  padding: 2rem;
  border-radius: 20px;
  border-left: 5px solid #007bff;
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.testimonial-avatar img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
}

.testimonial-info h4 {
  margin-bottom: 0.5rem;
}

.rating {
  color: #ffc107;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.testimonial-stats {
  display: flex;
  gap: 1rem;
}

.testimonial-stats span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: #666;
}

/* Hardware Section */
.hardware {
  background: #f8f9fa;
}

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

.hardware-card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
  position: relative;
}

.hardware-card:hover {
  transform: translateY(-10px);
}

.hardware-card.featured {
  border: 3px solid #ffc107;
  transform: scale(1.05);
}

.hardware-card.featured:hover {
  transform: scale(1.05) translateY(-10px);
}

.hardware-image {
  height: 200px;
  background: linear-gradient(135deg, #007bff, #0056b3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: white;
}

.hardware-info {
  padding: 2rem;
}

.hardware-info h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.hardware-info p {
  color: #666;
  margin-bottom: 1rem;
}

.hardware-info .price {
  font-size: 1.5rem;
  font-weight: 800;
  color: #28a745;
  margin-bottom: 1rem;
}

.hardware-info ul {
  list-style: none;
  margin-bottom: 2rem;
}

.hardware-info li {
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hardware-info li::before {
  content: "✓";
  color: #28a745;
  font-weight: bold;
}

/* Contact Section */
.contact {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.contact .section-header h2,
.contact .section-header p {
  color: white;
}

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

.contact-info h3 {
  font-size: 2rem;
  margin-bottom: 2rem;
}

.benefits-list {
  margin-bottom: 3rem;
}

.benefit {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.contact-stats {
  display: flex;
  gap: 2rem;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: #ffc107;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.9;
}

.contact-form h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.contact-form p {
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.1rem;
}

/* Footer */
footer {
  background: #333;
  color: white;
  text-align: center;
  padding: 2rem 0;
}

/* Mobile Navigation Active State */
.nav-menu.active {
  display: flex;
  position: fixed;
  top: 70px;
  left: 0;
  width: 100%;
  height: calc(100vh - 70px);
  background: linear-gradient(135deg, #007bff, #0056b3);
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  padding-top: 2rem;
  gap: 1rem;
  z-index: 999;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* Navbar Scrolled State */
.navbar.scrolled {
  background: rgba(0, 123, 255, 0.95);
  backdrop-filter: blur(10px);
}

/* Animation Classes */
.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

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

/* Button Loading State */
.btn.loading {
  position: relative;
  pointer-events: none;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Form Error State */
input.error, textarea.error {
  border-color: #dc3545 !important;
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

/* Lazy Loading */
img.lazy {
  opacity: 0;
  transition: opacity 0.3s;
}

img:not(.lazy) {
  opacity: 1;
}

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

  .hamburger {
    display: flex;
  }

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

  .hero-text h1 {
    font-size: 2rem;
  }

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

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .free-package-content,
  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .pricing-cards,
  .features-grid,
  .testimonials-grid,
  .hardware-cards {
    grid-template-columns: 1fr;
  }

  .contact-stats {
    justify-content: center;
  }

  .cta-buttons {
    align-items: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  section {
    padding: 60px 0;
  }

  .hero {
    padding: 100px 0 60px;
  }

  .hero-text h1 {
    font-size: 1.8rem;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }
}