/* CSS Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #0a0a0b;
  --color-bg-secondary: #111113;
  --color-bg-card: #18181b;
  --color-border: #27272a;
  --color-text: #fafafa;
  --color-text-muted: #a1a1aa;
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(10, 10, 11, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

/* Hero Section */
.hero {
  padding: 160px 0 100px;
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg) 100%);
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-bg-secondary);
  border-color: var(--color-primary);
}

/* Section Titles */
.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 48px;
  letter-spacing: -0.02em;
}

/* Products Section */
.products {
  padding: 100px 0;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.product-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.product-card:hover {
  border-color: var(--color-text-muted);
  transform: translateY(-4px);
}

.product-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary), #8b5cf6);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.product-icon svg {
  color: white;
}

.product-icon-img {
  background: transparent;
  width: auto;
  height: auto;
  justify-content: flex-start;
}

.product-icon-img img,
.product-icon-img svg {
  width: 48px;
  height: 48px;
}

.product-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.product-tagline {
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 16px;
}

.product-description {
  color: var(--color-text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}

.product-features {
  list-style: none;
  margin-bottom: 24px;
}

.product-features li {
  color: var(--color-text-muted);
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
}

.product-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background-color: var(--color-primary);
  border-radius: 50%;
}

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

.about-content {
  max-width: 800px;
  margin: 0 auto 64px;
  text-align: center;
}

.about-content p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  margin-bottom: 16px;
  line-height: 1.7;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px;
  max-width: 700px;
  margin: 0 auto;
}

.stat-item {
  text-align: center;
  padding: 32px;
  background-color: var(--color-bg-card);
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

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

.stat-label {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Footer */
.footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.footer-brand p {
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.footer-address {
  font-size: 0.875rem;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  color: var(--color-text-muted);
}

.footer-links ul,
.footer-contact ul {
  list-style: none;
}

.footer-links li,
.footer-contact li {
  margin-bottom: 12px;
}

.footer-links a,
.footer-contact a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.footer-bottom p {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    gap: 24px;
  }

  .hero {
    padding: 140px 0 80px;
  }

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

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

  .products,
  .about {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.5rem;
    margin-bottom: 32px;
  }

  .product-card {
    padding: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

@media (max-width: 480px) {
  .nav-container {
    flex-direction: column;
    height: auto;
    padding: 16px 24px;
    gap: 12px;
  }

  .nav-links {
    gap: 16px;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .product-card .btn {
    width: auto;
  }
}