:root {
  /* Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  
  --accent-primary: #1e3a8a; /* Deep Corporate Blue */
  --accent-secondary: #3b82f6; /* Modern Blue */
  --accent-success: #10b981;
  --accent-error: #ef4444;
  
  --border-color: #e5e7eb;
  
  /* Typography */
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  
  /* Spacing */
  --container-max-width: 1200px;
  --section-padding: 80px 20px;
  --card-padding: 32px;
  --border-radius: 12px;
  
  /* Transitions */
  --transition: all 0.2s ease;
}

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

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

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--accent-primary);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Layout Utilities */
.section {
  padding: var(--section-padding);
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  text-align: center;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

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

.btn-primary:hover {
  background-color: #1e40af;
  transform: translateY(-1px);
}

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

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

/* Card Styles */
.card {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--card-padding);
  transition: var(--transition);
}

.card:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
  border-color: var(--accent-secondary);
}

/* Grid Utilities */
.grid {
  display: grid;
  gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section-title { font-size: 2rem; }
}

/* Header & Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links {
    display: flex;
    gap: 32px;
    font-weight: 500;
    color: var(--text-secondary);
}

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

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    gap: 60px;
    padding: 100px 0;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

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

/* Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, auto);
    gap: 24px;
}

.bento-item {
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.bento-item h3 { font-size: 2rem; margin-bottom: 8px; }
.bento-item p { color: var(--text-secondary); }

.bento-large { grid-column: span 2; grid-row: span 2; background-color: var(--bg-secondary); }

/* Pricing Table */
.pricing-table-container {
    overflow-x: auto;
    margin-top: 40px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

th, td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-weight: 600;
}

tr:last-child td { border-bottom: none; }

/* Sectors */
.sector-card {
    text-align: center;
    padding: 40px 20px;
}

.sector-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    color: var(--accent-secondary);
}

/* Footer */
footer {
    background: var(--bg-tertiary);
    padding: 60px 0;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
}

.footer-bottom {
    margin-top: 60px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .hero { flex-direction: column; text-align: center; padding: 60px 0; }
    .hero-title { font-size: 2.5rem; }
    .nav-links { display: none; }
    .bento-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}