:root {
  --primary-color: #00e5ff;
  --secondary-color: #007bff;
  --bg-color: #f4f7fb;
  --card-bg: #ffffff;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --accent-color: #10b981;
  --border-color: #e5e7eb;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--text-dark);
}

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

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  transition: all 0.3s ease;
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-dark);
  position: relative;
}

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

.nav-cta {
  background: linear-gradient(135deg, var(--secondary-color), #00c3ff);
  color: white;
  padding: 0.6rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 123, 255, 0.2);
  color: white;
}

/* Sections */
section {
  padding: 5rem 5%;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
  margin: 1rem auto 0;
  border-radius: 2px;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background: radial-gradient(circle at top right, rgba(0, 229, 255, 0.1), transparent 40%),
              radial-gradient(circle at bottom left, rgba(0, 123, 255, 0.1), transparent 40%);
  padding-top: 80px;
}

.hero-content {
  max-width: 800px;
  z-index: 10;
}

.hero h1 {
  font-size: 4rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #1f2937, #4b5563);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: 2.5rem;
}

.hero .cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--secondary-color), #00c3ff);
  color: white;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  box-shadow: 0 10px 20px rgba(0, 123, 255, 0.2);
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 25px rgba(0, 123, 255, 0.3);
  color: white;
}

.btn-secondary {
  background: white;
  color: var(--text-dark);
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Floating particles for tech feel */
.particle {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 123, 255, 0.2), rgba(0, 229, 255, 0.2));
  animation: float 10s infinite linear;
}

@keyframes float {
  0% { transform: translateY(0) rotate(0deg); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateY(-100px) rotate(360deg); opacity: 0; }
}

/* Advantages Section */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.advantage-card {
  background: var(--card-bg);
  padding: 2.5rem 2rem;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(255,255,255,0.5);
}

.advantage-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 123, 255, 0.1);
}

.adv-icon {
  font-size: 3rem;
  color: var(--secondary-color);
  margin-bottom: 1.5rem;
}

.advantage-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.advantage-card p {
  color: var(--text-light);
}

/* Status Section */
.status-container {
  max-width: 1000px;
  margin: 0 auto;
  background: var(--card-bg);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1.5rem;
}

.status-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  border-radius: 12px;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.status-item:hover {
  background: white;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.status-region {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-light);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-color);
  box-shadow: 0 0 10px var(--accent-color);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Pricing Section */
.pricing-filter {
  display: flex;
  justify-content: flex-start;
  gap: 10px;
  margin-bottom: 2rem;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}
.pricing-filter button {
  background: white;
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-dark);
}
.pricing-filter button.active {
  border-color: #27948a;
  color: #27948a;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 2.5rem 2rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.3s ease;
}
.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.pricing-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.pricing-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #1a202c;
}

.pricing-price {
  font-size: 2rem;
  font-weight: 700;
  color: #1a202c;
  display: flex;
  align-items: baseline;
}
.pricing-price span {
  font-size: 0.9rem;
  color: var(--text-light);
  font-weight: 400;
  margin-left: 2px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.pricing-features li {
  margin-bottom: 1rem;
  color: #4a5568;
  font-size: 0.95rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  line-height: 1.4;
}

.pricing-features li svg {
  width: 20px;
  height: 20px;
  fill: #e2e8f0;
  stroke: #718096;
  flex-shrink: 0;
}

.pricing-cta {
  background: #f1f5f9;
  color: #334155;
  text-align: center;
  padding: 0.8rem;
  border-radius: 4px;
  font-weight: 600;
  transition: all 0.3s ease;
  width: max-content;
  padding: 0.5rem 1.5rem;
}
.pricing-cta:hover {
  background: #e2e8f0;
}

/* Reviews Section */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.review-card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.reviewer-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 1.2rem;
}

.reviewer-info h4 {
  margin-bottom: 0.2rem;
}

.reviewer-info .stars {
  color: #fbbf24;
  font-size: 0.9rem;
}

.review-text {
  color: var(--text-light);
  font-style: italic;
}

/* FAQ Section */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card-bg);
  border-radius: 12px;
  margin-bottom: 1rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
  overflow: hidden;
}

.faq-question {
  padding: 1.5rem 2rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 1.1rem;
  transition: background 0.3s ease;
}

.faq-question:hover {
  background: #f8fafc;
}

.faq-question svg {
  transition: transform 0.3s ease;
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 2rem;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  color: var(--text-light);
}

.faq-item.active .faq-answer {
  padding: 0 2rem 1.5rem;
  max-height: 200px;
}

/* Knowledge Base Section */
.kb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.kb-card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.03);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-left: 4px solid var(--secondary-color);
}

.kb-card:hover {
  transform: translateX(5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
}

.kb-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.kb-card h3 a {
  color: var(--text-dark);
}

.kb-card h3 a:hover {
  color: var(--secondary-color);
}

.kb-card p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* Footer */
footer {
  background: #1e293b;
  color: white;
  text-align: center;
  padding: 3rem 5%;
}

.footer-links {
  margin-bottom: 2rem;
}

.footer-links a {
  color: #94a3b8;
  margin: 0 1rem;
}

.footer-links a:hover {
  color: white;
}

.copyright {
  color: #64748b;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  .nav-links {
    display: none;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}
