:root {
  --primary: #1a56db;
  --primary-hover: #1648b8;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --success: #059669;
  --radius: 12px;
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, -apple-system, sans-serif; color: var(--gray-900); background: #fff; line-height: 1.6; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { line-height: 1.25; }

.site-container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header { background: #fff; border-bottom: 1px solid var(--gray-200); position: sticky; top: 0; z-index: 100; }
.site-header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.site-logo svg { height: 36px; }
.site-nav { display: flex; gap: 32px; }
.site-nav a { color: var(--gray-600); font-size: 0.9375rem; font-weight: 500; }
.site-nav a:hover { color: var(--gray-900); text-decoration: none; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 20px; font-size: 0.9375rem; font-weight: 600; border: 1.5px solid transparent; border-radius: 8px; cursor: pointer; transition: all 0.15s; text-decoration: none; font-family: inherit; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); text-decoration: none; }
.btn-secondary { background: #fff; color: var(--gray-700); border-color: var(--gray-300); }
.btn-secondary:hover { background: var(--gray-50); text-decoration: none; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }

/* Hero */
.hero { padding: 80px 0 60px; background: linear-gradient(135deg, #f0f4ff 0%, #fff 100%); }
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: center; }
.hero-badge { display: inline-block; padding: 4px 14px; background: #ecfdf5; color: #065f46; font-size: 0.8125rem; font-weight: 600; border-radius: 9999px; margin-bottom: 16px; }
.hero h1 { font-size: 2.75rem; font-weight: 800; color: var(--gray-900); margin-bottom: 16px; letter-spacing: -0.02em; }
.hero p { font-size: 1.125rem; color: var(--gray-600); margin-bottom: 24px; max-width: 520px; }
.hero-actions { display: flex; gap: 12px; margin-bottom: 32px; }
.hero-trust { display: flex; flex-wrap: nowrap; gap: 8px; align-items: center; font-size: 0.8125rem; color: var(--gray-500); }
.hero-trust-item { padding: 4px 10px; background: var(--gray-100); border-radius: 6px; font-weight: 500; color: var(--gray-700); }

/* Card Mockup */
.hero-card-mockup { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-lg); max-width: 380px; margin-left: auto; }
.mockup-header { display: flex; align-items: center; gap: 8px; font-size: 0.875rem; font-weight: 600; color: var(--success); margin-bottom: 20px; }
.mockup-label { font-size: 0.8125rem; font-weight: 500; color: var(--gray-600); margin-bottom: 4px; }
.mockup-input { padding: 10px 14px; background: var(--gray-50); border: 1.5px solid var(--gray-200); border-radius: 8px; font-size: 0.9375rem; color: var(--gray-400); margin-bottom: 12px; }
.mockup-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mockup-badge { text-align: center; font-size: 0.75rem; color: var(--gray-500); margin-top: 8px; }

/* Trust Bar */
.trust-bar { padding: 32px 0; border-bottom: 1px solid var(--gray-200); }
.trust-bar-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.trust-item { display: flex; align-items: center; gap: 12px; }
.trust-icon { font-size: 1.5rem; }
.trust-item strong { display: block; font-size: 0.875rem; color: var(--gray-900); }
.trust-item span { font-size: 0.8125rem; color: var(--gray-500); }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--gray-50); }
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 { font-size: 2rem; font-weight: 700; color: var(--gray-900); margin-bottom: 12px; }
.section-header p { font-size: 1.0625rem; color: var(--gray-600); max-width: 560px; margin: 0 auto; }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 28px; transition: box-shadow 0.2s; }
.feature-card:hover { box-shadow: var(--shadow); }
.feature-icon { font-size: 2rem; margin-bottom: 12px; }
.feature-card h3 { font-size: 1.0625rem; font-weight: 600; margin-bottom: 8px; }
.feature-card p { font-size: 0.9375rem; color: var(--gray-600); }

/* Steps */
.steps { max-width: 640px; margin: 0 auto; display: flex; flex-direction: column; gap: 32px; }
.step { display: flex; gap: 20px; }
.step-number { flex-shrink: 0; width: 48px; height: 48px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.25rem; font-weight: 700; }
.step-content h3 { font-size: 1.0625rem; font-weight: 600; margin-bottom: 4px; }
.step-content p { font-size: 0.9375rem; color: var(--gray-600); }

/* Security */
.security-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.security-item { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 28px; }
.security-item h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; }
.security-item p { font-size: 0.9375rem; color: var(--gray-600); }

/* CTA */
.cta-section { padding: 80px 0; background: linear-gradient(135deg, #1e3a5f 0%, #1a56db 100%); color: #fff; }
.cta-inner { text-align: center; }
.cta-inner h2 { font-size: 2rem; font-weight: 700; margin-bottom: 12px; }
.cta-inner p { font-size: 1.0625rem; opacity: 0.85; margin-bottom: 24px; }
.cta-inner .btn-primary { background: #fff; color: var(--primary); border-color: #fff; }
.cta-inner .btn-primary:hover { background: #f0f4ff; }

/* Footer */
.site-footer { background: var(--gray-900); color: #fff; padding: 48px 0 0; }
.site-footer-inner { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 48px; padding-bottom: 48px; }
.footer-brand p { color: var(--gray-500); font-size: 0.875rem; margin-top: 12px; }
.footer-col h4 { font-size: 0.8125rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--gray-500); margin-bottom: 16px; }
.footer-col a { display: block; color: var(--gray-300); font-size: 0.9375rem; margin-bottom: 8px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; font-size: 0.8125rem; color: var(--gray-500); }

/* Contact Form */
.contact-section { padding: 80px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info h2 { font-size: 1.75rem; font-weight: 700; margin-bottom: 12px; }
.contact-info p { color: var(--gray-600); margin-bottom: 24px; }
.contact-detail { display: flex; gap: 12px; margin-bottom: 16px; font-size: 0.9375rem; color: var(--gray-600); }
.contact-detail strong { color: var(--gray-900); }
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 0.875rem; font-weight: 500; color: var(--gray-700); margin-bottom: 4px; }
.form-input, .form-textarea { width: 100%; padding: 10px 14px; font-size: 0.9375rem; font-family: inherit; border: 1.5px solid var(--gray-300); border-radius: 8px; transition: border-color 0.15s, box-shadow 0.15s; }
.form-input:focus, .form-textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,86,219,0.25); }
.form-textarea { resize: vertical; min-height: 120px; }

/* Legal Pages */
.legal-page { padding: 80px 0; }
.legal-page h1 { font-size: 2rem; font-weight: 700; margin-bottom: 8px; }
.legal-page .legal-updated { color: var(--gray-500); font-size: 0.875rem; margin-bottom: 32px; }
.legal-page h2 { font-size: 1.25rem; font-weight: 600; margin: 32px 0 12px; }
.legal-page h3 { font-size: 1.0625rem; font-weight: 600; margin: 24px 0 8px; }
.legal-page p, .legal-page li { font-size: 0.9375rem; color: var(--gray-700); line-height: 1.7; }
.legal-page ul { padding-left: 24px; margin: 8px 0 16px; }
.legal-page li { margin-bottom: 4px; }
.legal-content { max-width: 720px; }

/* Responsive */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 2rem; }
  .hero-visual { order: -1; }
  .hero-card-mockup { margin: 0 auto; }
  .trust-bar-inner { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .security-grid { grid-template-columns: 1fr; }
  .site-footer-inner { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .site-nav { gap: 16px; }
}

@media (max-width: 480px) {
  .trust-bar-inner { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .site-footer-inner { grid-template-columns: 1fr; }
  .site-nav { display: none; }
}