/* Custom Properties & Tokens */
:root {
  --primary: #1A365D;       /* Deep Trust Navy */
  --primary-light: #2B6CB0;
  --secondary: #D69E2E;     /* Muted Premium Gold */
  --secondary-light: #ECC94B;
  --bg-main: #FAFAFA;
  --bg-surface: #FFFFFF;
  --text-primary: #2D3748;
  --text-muted: #718096;
  --border-color: #E2E8F0;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.08);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  --transition: all 0.25s ease-in-out;
}

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

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

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

a:hover, a:focus {
  color: var(--primary);
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Nav */
.site-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.brand-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.02em;
}

.brand-logo span {
  color: var(--secondary);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 1.75rem;
  align-items: center;
}

.nav-link {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-link:hover {
  color: var(--primary-light);
  text-decoration: none;
}

/* Hero Section */
.hero-section {
  padding: 5rem 0 4rem;
  background: linear-gradient(135deg, #0F172A 0%, #1A365D 100%);
  color: #FFFFFF;
  text-align: center;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: #CBD5E1;
  max-width: 680px;
  margin: 0 auto 2.5rem;
  font-weight: 400;
}

.cta-group {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--secondary);
  color: #1A202C;
}

.btn-primary:hover {
  background-color: var(--secondary-light);
  text-decoration: none;
}

.btn-secondary {
  background-color: transparent;
  border-color: #CBD5E1;
  color: #FFFFFF;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  text-decoration: none;
}

/* Protection Grid & Finder */
.section-padding {
  padding: 4.5rem 0;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 3rem;
  font-size: 1.05rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.interactive-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: var(--transition);
  text-align: left;
}

.interactive-card:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* Interactive Finder Component */
.finder-container {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  max-width: 800px;
  margin: 0 auto;
}

.option-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: var(--transition);
}

.option-btn:hover, .option-btn:focus {
  border-color: var(--primary-light);
  background: #EBF8FF;
}

/* Regulatory Footer Disclosures */
.disclosure-box {
  background: #EDF2F7;
  border-left: 4px solid var(--primary);
  padding: 1.25rem;
  margin: 2rem 0;
  font-size: 0.85rem;
  color: #4A5568;
}

.site-footer {
  background: #0F172A;
  color: #94A3B8;
  padding: 4rem 0 2rem;
  font-size: 0.9rem;
  border-top: 1px solid #1E293B;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-title {
  color: #FFFFFF;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: #94A3B8;
}

.footer-links a:hover {
  color: #FFFFFF;
}

*:focus-visible {
  outline: 2px solid var(--secondary);
  outline-offset: 2px;
}