/* Custom CSS Variables & Corporate Branding System */
:root {
  --primary-dark: #0C1620;
  --primary-navy: #152232;
  --accent-red: #ED2B3B;
  --accent-red-hover: #D02130;
  --text-dark: #1E293B;
  --text-muted: #64748B;
  --bg-light: #F8FAFC;
  --bg-white: #FFFFFF;
  --border-color: #E2E8F0;
  
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --shadow-sm: 0 2px 4px rgba(12, 22, 32, 0.04);
  --shadow-md: 0 8px 16px rgba(12, 22, 32, 0.08);
  --shadow-lg: 0 16px 32px rgba(12, 22, 32, 0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

/* Core Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--primary-dark);
  font-weight: 700;
  line-height: 1.25;
}

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

/* Corporate Button Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--radius-sm);
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background-color: var(--accent-red-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(237, 43, 59, 0.3);
}

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

.btn-outline:hover {
  background-color: var(--primary-dark);
  color: var(--bg-white);
}

/* Sticky Header Layout */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--primary-dark);
  color: var(--bg-white);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-md);
}

.site-header .logo {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--bg-white);
}

.site-header .logo span {
  color: var(--accent-red);
}

/* Card Base Component */
.card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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