/* Base Reset & Typography */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary-dark: #0a0a0a;
  --primary-gray: #fafafa;
  --secondary-gray: #f5f5f5;
  --accent-teal: #00b4d8;
  --accent-green: #00d4aa;
  --accent-yellow: #ffd700;
  --card-bg: #ffffff;
  --card-shadow: 0 8px 32px 0 rgba(0,0,0,0.08);
  --divider: #e5e7eb;
  --text-dark: #0a0a0a;
  --text-light: #6b7280;
  --text-muted: #9ca3af;
}

body {
  font-family: 'Open Sans', sans-serif;
  color: var(--text-dark);
  background: var(--primary-gray);
  min-height: 100vh;
  line-height: 1.6;
  font-weight: 400;
}

h1, h2, h3 {
  font-family: 'Open Sans', sans-serif;
  font-weight: 500;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 3rem;
  background: var(--card-bg);
  border-bottom: 1px solid var(--divider);
  box-shadow: 0 2px 16px 0 rgba(0,0,0,0.04);
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand a {
  font-family: 'Open Sans', sans-serif;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--primary-dark);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
  font-family: 'Inter Tight', sans-serif;
  font-weight: 500;
}

.nav-links a {
  transition: color 0.3s ease;
  position: relative;
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--accent-teal);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-teal);
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background: var(--primary-dark);
  color: #fff;
  border-radius: 12px;
  font-family: 'Inter Tight', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 4px 16px 0 rgba(0,0,0,0.12);
  transition: all 0.3s ease;
  border: none;
  outline: none;
}

.cta-button:hover {
  background: var(--accent-teal);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px 0 rgba(0,0,0,0.16);
}

/* Hero */
.hero {
  background: var(--card-bg);
  padding: 8rem 1rem 6rem 1rem;
  position: relative;
  overflow: hidden;
}

.hero-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-text {
  flex: 2;
  max-width: 800px;
}

.hero-stats {
  display: flex;
  gap: 4rem;
  margin-bottom: 4rem;
  justify-content: flex-start;
}

.stat {
  text-align: center;
  min-width: 120px;
}

.stat-number {
  font-family: 'Open Sans', sans-serif;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--accent-teal);
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.stat-label {
  font-family: 'Inter Tight', sans-serif;
  font-size: 0.875rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.4;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 3rem;
  line-height: 1.1;
  font-weight: 600;
}

.hero-features {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: stretch;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 900px) {
  .hero-features {
    flex-direction: column;
    gap: 2rem;
  }
}

.feature {
  background: var(--primary-gray);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow);
}

.feature i {
  font-size: 2.5rem;
  color: var(--accent-teal);
  margin-bottom: 1rem;
}

.feature h3 {
  font-family: 'Inter Tight', sans-serif;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.feature p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.5;
}

.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 200px;
}

.hero-icon {
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, var(--accent-teal), var(--accent-green));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 16px 48px 0 rgba(0,180,216,0.2);
}

.hero-icon i {
  font-size: 4rem;
  color: white;
}

/* Partner logos */
.partner-logos {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 4rem;
  flex-wrap: wrap;
}

.partner-logo {
  width: 60px;
  height: 60px;
  background: var(--card-bg);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px 0 rgba(0,0,0,0.06);
  border: 1px solid var(--divider);
  transition: transform 0.3s ease;
}

.partner-logo:hover {
  transform: scale(1.1);
}

.partner-logo i {
  font-size: 1.5rem;
  color: var(--text-light);
}

/* Products */
.products {
  background: var(--primary-gray);
  padding: 6rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.products h2 {
  text-align: center;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 4rem;
  color: var(--primary-dark);
  font-weight: 600;
}

.products h3 {
  text-align: center;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  margin-bottom: 4rem;
  color: var(--primary-dark);
  font-weight: 600;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 3rem;
  max-width: 1000px;
  margin: 0 auto;
}

.product-card {
  background: var(--card-bg);
  border-radius: 20px;
  padding: 3rem 2.5rem;
  box-shadow: var(--card-shadow);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px 0 rgba(0,0,0,0.12);
}

.product-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--accent-teal), var(--accent-green));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  box-shadow: 0 8px 24px 0 rgba(0,180,216,0.2);
}

.product-icon i {
  font-size: 2rem;
  color: white;
}

.product-card h3 {
  font-family: 'Open Sans', sans-serif;
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--primary-dark);
}

.product-subtitle {
  font-family: 'Inter Tight', sans-serif;
  font-size: 0.875rem;
  color: var(--accent-teal);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  margin-bottom: 1rem;
}

.product-card > p {
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.product-features {
  list-style: none;
  margin-bottom: 2.5rem;
  text-align: left;
}

.product-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
  color: var(--text-dark);
}

.product-features li i {
  color: var(--accent-teal);
  font-size: 0.875rem;
}

/* Vision */
.vision {
  background: var(--card-bg);
  padding: 6rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.vision-flex {
  display: flex;
  gap: 4rem;
  align-items: center;
}

.vision-text {
  flex: 1;
}

.vision-text h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--primary-dark);
  line-height: 1.2;
  font-weight: 600;
}

.vision-visual {
  flex: 1;
  display: flex;
  justify-content: center;
}

.data-visualization {
  width: 180px;
  height: 180px;
  background: linear-gradient(135deg, var(--accent-green), var(--accent-teal));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 16px 48px 0 rgba(0,212,170,0.2);
}

.data-visualization i {
  font-size: 3.5rem;
  color: white;
}

/* Section dividers */
.section-divider {
  width: 100%;
  height: 1px;
  background: var(--divider);
  margin: 4rem 0;
  opacity: 0.6;
}

/* Footer */
.footer {
  background: var(--primary-gray);
  padding: 4rem 1rem 2rem 1rem;
  border-top: 1px solid var(--divider);
  max-width: 1200px;
  margin: 0 auto;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section h4 {
  font-family: 'Inter Tight', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1.5rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.75rem;
}

.footer-section ul li a {
  font-family: 'Inter Tight', sans-serif;
  font-size: 0.9rem;
  color: var(--text-dark);
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: var(--accent-teal);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--divider);
}

.footer-bottom p {
  font-family: 'Inter Tight', sans-serif;
  color: var(--text-light);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-content,
  .vision-flex {
    flex-direction: column;
    gap: 3rem;
  }
  
  .hero-stats {
    gap: 2rem;
  }
  
  .hero-features {
    grid-template-columns: 1fr;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 1rem 1.5rem;
  }
  
  .nav-links {
    display: none;
  }
  
  .hero {
    padding: 4rem 1rem 3rem 1rem;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .products,
  .vision {
    padding: 3rem 1rem;
  }
  
  .partner-logos {
    gap: 2rem;
  }
  
  .product-card {
    padding: 2rem 1.5rem;
  }
}

.logo-img {
  height: 48px;
  width: auto;
  display: block;
  vertical-align: middle;
  background: transparent;
}

.logo-svg {
  display: flex;
  align-items: center;
  height: 38px;
}
.logo-svg svg {
  display: block;
  height: 38px;
  width: auto;
}