.prep { color: #18354a; background: #fff; }
.prep-wrap { max-width: 1200px; margin: auto; padding: 0 28px; }
.prep-hero { background: #18354a; color: #fff; padding: 28px 0 64px; }
.prep-crumb { font-size: 12px; color: #cad8df; margin-bottom: 48px; }
.prep-crumb a { color: inherit; }
.prep-hero-grid { display: grid; grid-template-columns: 1.45fr 1fr; gap: 80px; align-items: center; }
.prep .prep-eyebrow { font-size: 10px; letter-spacing: .16em; font-weight: 700; color: #85662b; margin: 0 0 20px; }
.prep-hero .prep-eyebrow { color: #e6bf5a; }
.prep h1 { font-size: clamp(36px, 4.4vw, 59px); font-weight: 600; line-height: 1.12; letter-spacing: -.045em; margin: 0 0 24px; }
.prep h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 600; letter-spacing: -.035em; line-height: 1.2; margin: 0 0 22px; }
.prep h3 { font-size: 16px; line-height: 1.45; margin: 0 0 12px; }
.prep p { font-size: 15px; line-height: 1.85; text-align: justify; }
.prep .prep-intro { font-size: 17px; color: #d9e3e9; }
.prep a { text-underline-offset: 4px; }
.prep a:focus-visible, .prep summary:focus-visible { outline: 3px solid #b18a32; outline-offset: 5px; }
.prep-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 26px; }
.prep-text-link { color: #fff; }
.prep .prep-small { font-size: 12px; color: #cad8df; }
.prep-flightcard { border: 1px solid #68818f; padding: 32px; border-radius: 12px; background: #234358; }
.prep-flightcard .prep-license { font-size: 65px; font-weight: 500; letter-spacing: -.045em; line-height: 1; margin: 0; }
.prep-flightcard ul { padding: 22px 0 10px 20px; border-top: 1px solid #68818f; line-height: 2.2; font-size: 14px; }
.prep-flightcard a { color: #e6bf5a; font-size: 13px; }
.prep-section-nav { display: flex; flex-wrap: wrap; gap: 20px 32px; padding-top: 24px; padding-bottom: 24px; border-bottom: 1px solid #dce2e2; font-size: 13px; }
.prep-section-nav a, .prep-reading a, .prep-source a, .prep-other a, .prep-cta a:not(.modern-button) { color: #18354a; }
.prep-section { padding-top: 64px; padding-bottom: 64px; scroll-margin-top: 96px; }
.prep-split { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; }
.prep-split p:first-child { margin-top: 0; }
.prep-tint { background: #f3f5f3; scroll-margin-top: 80px; }
.prep-subjects { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; margin-top: 34px; }
.prep-subjects article { border-top: 1px solid #cdd6d8; padding-top: 22px; }
.prep-number { display: block; color: #85662b; font-size: 12px; margin-bottom: 16px; }
.prep-subjects p, .prep-steps p { color: #526773; font-size: 14px; }
.prep-steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 32px; padding-left: 22px; margin-top: 38px; }
.prep-steps li { padding-left: 5px; }
.prep-steps li::marker { color: #85662b; font-weight: 700; }
.prep-example { border-left: 3px solid #e6bf5a; background: #f3f5f3; padding: 24px 28px; margin-top: 28px; }
.prep-example p { margin-bottom: 0; }
.prep-faq { max-width: 900px; padding-top: 0; }
.prep-faq details { border-bottom: 1px solid #dce2e2; padding: 20px 0; }
.prep-faq summary { font-size: 15px; font-weight: 600; cursor: pointer; line-height: 1.6; }
.prep-faq details p { color: #526773; }
.prep-reading { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.prep-reading a { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid #cdd6d8; padding: 22px 0; line-height: 1.7; font-size: 15px; }
.prep .prep-source { margin-top: 28px; font-size: 13px; color: #526773; }
.prep-cta { padding: 36px; background: #edf1ef; border-radius: 12px; }
.prep-cta h2 { max-width: 660px; }
.prep-other { text-align: center; margin: 30px 0 0; }
@media(max-width: 760px) {
  .prep-wrap { padding-left: 22px; padding-right: 22px; }
  .prep-hero-grid, .prep-split { grid-template-columns: 1fr; gap: 28px; }
  .prep-crumb { margin-bottom: 32px; }
  .prep-hero { padding-bottom: 40px; }
  .prep-section { padding-top: 40px; padding-bottom: 40px; }
  .prep-subjects, .prep-steps { grid-template-columns: repeat(2,1fr); gap: 24px; }
  .prep-reading { grid-template-columns: 1fr; gap: 0; }
  .prep-cta { padding: 24px; }
}
@media(max-width: 400px) { .prep-subjects, .prep-steps { grid-template-columns: 1fr; } }