:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #18212f;
  background: #f5f7fa;
  line-height: 1.6;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body { margin: 0; min-width: 320px; background: #f5f7fa; }

a { color: #173e66; }

a:focus-visible { outline: 3px solid #79b8f3; outline-offset: 4px; }

.container { width: min(100% - 40px, 1120px); margin: 0 auto; }

.site-header { background: #fff; border-bottom: 1px solid #dce3eb; }

.header-content, .footer-content { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 72px; }

.wordmark { color: #18212f; font-size: 1.1rem; font-weight: 800; letter-spacing: -.02em; text-decoration: none; }

.text-link { font-weight: 700; }

.hero { padding: 92px 0 70px; background: #fff; border-bottom: 1px solid #dce3eb; }

.hero-content { max-width: 820px; margin-left: max(20px, calc((100% - 1120px) / 2)); margin-right: 20px; }

.eyebrow, .card-label { color: #4b5d71; font-size: .78rem; font-weight: 800; letter-spacing: .1em; margin: 0 0 12px; text-transform: uppercase; }

h1, h2, h3, p { margin-top: 0; }

h1 { max-width: 780px; font-size: clamp(2.45rem, 6vw, 4.5rem); letter-spacing: -.055em; line-height: 1.05; margin-bottom: 24px; }

h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); letter-spacing: -.035em; line-height: 1.18; margin-bottom: 22px; }

h3 { font-size: 1.08rem; line-height: 1.3; margin-bottom: 9px; }

.lede { max-width: 710px; color: #405167; font-size: clamp(1.08rem, 2vw, 1.28rem); }

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0; }

.button { border: 1px solid transparent; border-radius: 8px; display: inline-block; font-weight: 800; padding: 11px 16px; text-decoration: none; }

.button-primary { background: #173e66; color: #fff; }
.button-primary:hover { background: #0d2d4d; }
.button-secondary { border-color: #aebdcb; color: #173e66; background: #fff; }
.button-secondary:hover { background: #f1f5f9; }

.disclosure { border-left: 3px solid #2775b9; color: #405167; font-size: .94rem; margin-bottom: 0; max-width: 760px; padding-left: 14px; }

.section { padding: 76px 0; }
.section-muted { background: #edf2f7; border-block: 1px solid #dce3eb; }

.comparison-grid, .checks-grid, .split-layout { display: grid; gap: 18px; }
.comparison-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.checks-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.comparison-card, .check-card { background: #fff; border: 1px solid #dce3eb; border-radius: 12px; padding: 24px; }
.outcome-card { border-top: 4px solid #2775b9; }
.statement { color: #263b52; font-size: 1.25rem; font-weight: 750; line-height: 1.35; }
.muted { color: #5c6b7b; }

.flow { counter-reset: flow; display: flex; flex-wrap: wrap; gap: 10px; list-style: none; margin: 0; padding: 0; }
.flow li { align-items: center; background: #f5f8fb; border: 1px solid #cdd9e5; border-radius: 7px; color: #263b52; display: flex; font-size: .86rem; font-weight: 800; gap: 10px; padding: 10px 12px; text-transform: uppercase; }
.flow li:not(:last-child)::after { color: #2775b9; content: "→"; font-size: 1.2rem; margin-left: 8px; }

.split-layout { grid-template-columns: minmax(0, 1fr) minmax(280px, .9fr); align-items: center; }
.scenario-flow { color: #263b52; font-size: 1.22rem; font-weight: 800; }
.detail-list { background: #fff; border: 1px solid #dce3eb; border-radius: 12px; margin: 0; padding: 18px 24px 18px 42px; }
.detail-list li { margin: 7px 0; }
.section-action { margin-top: 28px; }
.narrow { max-width: 760px; }
.validation-section { background: #fff; border-block: 1px solid #dce3eb; }
.privacy-note { padding-block: 48px; }
.privacy-note h2 { font-size: 1.25rem; margin-bottom: 12px; }

.site-footer { background: #18212f; color: #e6edf4; }
.site-footer a { color: #e6edf4; }

@media (max-width: 820px) {
  .checks-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  html { scroll-behavior: auto; }
  .container { width: min(100% - 28px, 1120px); }
  .header-content, .footer-content { min-height: 64px; }
  .hero { padding: 64px 0 52px; }
  .hero-content { margin-inline: 14px; }
  .section { padding: 54px 0; }
  .comparison-grid, .checks-grid, .split-layout { grid-template-columns: 1fr; }
  .comparison-card, .check-card { padding: 20px; }
  .flow { display: grid; grid-template-columns: 1fr; }
  .flow li:not(:last-child)::after { content: "↓"; margin-left: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}