:root {
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --space-8: 64px;
  --space-10: 80px;
  --space-12: 96px;

  --color-bg: #ffffff;
  --color-light: #F4F6F8;
  --color-text: #0F172A;
  --color-primary: #2563EB;
  --color-accent: #10B981;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

.skip-link { position: absolute; left: -999px; }
.skip-link:focus {
  left: var(--space-2);
  top: var(--space-2);
  background: var(--color-primary);
  color: white;
  padding: var(--space-1) var(--space-2);
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-2);
}

.section { padding: var(--space-10) 0; }
.section-light { background: var(--color-light); }

.header {
  padding: var(--space-3) 0;
  border-bottom: 1px solid #e5e7eb;
}

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

.nav a {
  margin-left: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
}

.logo { font-weight: 700; font-size: 1.125rem; }

.hero-grid {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

.hero h1 {
  font-size: 2.25rem;
  margin-bottom: var(--space-3);
}

.hero p { margin-bottom: var(--space-4); }

.cta-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.btn-primary, .btn-outline {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  min-height: 48px;
  border-radius: 10px;
  text-decoration: none;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

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

.btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-primary:hover, .btn-outline:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

.btn-nav {
  padding: var(--space-1) var(--space-2);
  background: var(--color-accent);
  color: white;
  border-radius: 8px;
}

.hero-visual { display: none; }

.hero-shape {
  width: 100%;
  height: 240px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 20px;
}

.trust-grid {
  display: grid;
  gap: var(--space-3);
}

.trust-card {
  padding: var(--space-3);
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
  text-align: center;
}

.grid-3 {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-5);
}

.card {
  padding: var(--space-4);
  background: white;
  border-radius: 16px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.05);
}

.process-grid {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.process-step {
  padding: var(--space-3);
  border-left: 4px solid var(--color-primary);
  background: var(--color-light);
}

.contact-card {
  padding: var(--space-5);
  background: var(--color-light);
  border-radius: 20px;
  text-align: center;
}

.footer {
  padding: var(--space-6) 0;
  background: var(--color-text);
  color: white;
  text-align: center;
}

@media (min-width: 768px) {

  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-visual { display: block; }

  .hero h1 { font-size: 3rem; }

  .cta-group {
    flex-direction: row;
  }

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

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

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

  .section { padding: var(--space-12) 0; }
}