:root {
  --navy: #10263d;
  --red: #b51621;
  --gold: #d5a84b;
  --ink: #1f2d38;
  --muted: #5c6974;
  --line: #dbe2e8;
  --paper: #ffffff;
  --wash: #f4f7f9;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--wash); }
a { color: inherit; }
.resource-header {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 18px clamp(20px, 5vw, 64px); border-bottom: 1px solid var(--line); background: #fff;
}
.resource-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 850; color: var(--navy); }
.resource-brand img { display: block; width: 85px; height: 42px; flex: 0 0 85px; object-fit: contain; }
.resource-brand span { display: block; width: 85px; height: 42px; flex: 0 0 85px; overflow: hidden; color: transparent; font-size: 0; background: url("./keen-youth-logo.png") center / contain no-repeat; }
.resource-nav { display: flex; flex-wrap: wrap; gap: 10px 18px; font-size: 14px; font-weight: 720; }
.resource-nav a { text-decoration: none; }
.resource-nav a:hover { color: var(--red); }
.resource-main { max-width: 960px; margin: 0 auto; padding: 64px 24px 80px; }
.breadcrumb { color: var(--muted); font-size: 13px; }
.eyebrow { margin-top: 42px; color: var(--red); font-size: 13px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3 { color: var(--navy); font-family: Georgia, "Times New Roman", "Songti SC", serif; }
h1 { max-width: 860px; margin: 12px 0 20px; font-size: clamp(40px, 7vw, 72px); line-height: 1.03; }
h2 { margin: 42px 0 12px; font-size: clamp(27px, 4vw, 38px); }
h3 { margin: 24px 0 8px; font-size: 22px; }
p, li { font-size: 17px; line-height: 1.75; }
.lead { max-width: 820px; color: #43515c; font-size: 20px; }
.updated { margin-top: 18px; color: var(--muted); font-size: 13px; }
.answer-card, .fact-grid article, details {
  border: 1px solid var(--line); border-radius: 9px; background: var(--paper);
}
.answer-card { margin-top: 30px; padding: 24px; border-left: 5px solid var(--red); }
.answer-card strong { color: var(--navy); }
.fact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 24px; }
.fact-grid article { padding: 22px; }
.fact-grid article p { margin-bottom: 0; font-size: 15px; }
.resource-main ul, .resource-main ol { padding-left: 24px; }
.resource-main li + li { margin-top: 8px; }
details { margin-top: 12px; padding: 18px 20px; }
summary { color: var(--navy); cursor: pointer; font-weight: 800; }
details p { margin-bottom: 0; font-size: 15px; }
.cta {
  display: grid; gap: 8px; margin-top: 48px; padding: 26px; border-radius: 9px;
  background: linear-gradient(135deg, var(--red), var(--navy)); color: white;
}
.cta strong { font-family: Georgia, "Times New Roman", "Songti SC", serif; font-size: 25px; }
.cta a { width: max-content; margin-top: 8px; padding: 10px 14px; border-radius: 7px; background: white; color: var(--navy); text-decoration: none; font-weight: 800; }
.resource-footer { padding: 28px 24px; border-top: 1px solid var(--line); color: var(--muted); text-align: center; font-size: 13px; }
@media (max-width: 680px) {
  .resource-header { align-items: flex-start; flex-direction: column; }
  .resource-nav { overflow-x: auto; width: 100%; flex-wrap: nowrap; padding-bottom: 5px; }
  .resource-nav a { flex: 0 0 auto; }
  .resource-main { padding-top: 38px; }
  .fact-grid { grid-template-columns: 1fr; }
  p, li { font-size: 16px; }
}