:root {
  color-scheme: light;
  --brand: #1f6f55;
  --brand-dark: #164b3d;
  --brand-deep: #163f36;
  --ink: #17212b;
  --muted: #5d6a75;
  --line: #d7e0e6;
  --bg: #ffffff;
  --soft: #f3f7f6;
  --soft-2: #edf3f7;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.96); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .inner {
  max-width: 1120px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; gap: 28px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-mark {
  background: var(--brand-dark); color: #fff; border-radius: 6px;
  width: 34px; height: 34px; display: grid; place-items: center; font-size: 14px; letter-spacing: .5px;
}
.brand small { display: block; font-weight: 500; font-size: 11px; color: var(--muted); }
.nav { display: flex; gap: 20px; margin-left: auto; flex-wrap: wrap; }
.nav a { color: var(--muted); font-weight: 500; font-size: 14.5px; }
.nav a:hover, .nav a.is-active { color: var(--brand); text-decoration: none; }
.header-cta {
  background: var(--brand-dark); color: #fff !important; padding: 11px 16px; border-radius: 6px;
  font-weight: 750; font-size: 14px;
}
.header-cta:hover { background: var(--brand); text-decoration: none; }

.hero {
  background: linear-gradient(135deg, #12332c 0%, var(--brand-deep) 55%, var(--brand) 100%);
  color: #fff; padding: 72px 24px 64px;
}
.hero .inner { max-width: 1120px; margin: 0 auto; }
.hero .eyebrow { font-size: 12.5px; letter-spacing: 2px; text-transform: uppercase; color: #a9c9be; font-weight: 600; margin-bottom: 14px; }
.hero h1 { font-size: clamp(28px, 4.4vw, 42px); line-height: 1.22; font-weight: 800; max-width: 780px; }
.hero p { margin-top: 16px; font-size: 17px; color: #d6e6e0; max-width: 720px; }
.hero .hero-actions { margin-top: 26px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 6px; font-weight: 750; font-size: 15px;
}
.btn.primary { background: #fff; color: var(--brand-dark) !important; }
.btn.ghost { border: 1.5px solid rgba(255,255,255,.55); color: #fff !important; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }

.section { max-width: 1120px; margin: 0 auto; padding: 56px 24px; }
.section.soft { max-width: none; background: var(--soft); }
.section.soft > .inner { max-width: 1120px; margin: 0 auto; }
.section h2 { font-size: 26px; font-weight: 800; margin-bottom: 10px; }
.section .sub { color: var(--muted); margin-bottom: 30px; max-width: 760px; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 26px;
  transition: box-shadow .2s, transform .2s;
}
.card:hover { box-shadow: 0 10px 28px rgba(19,43,58,.10); transform: translateY(-2px); }
.card .tag { font-size: 12px; color: var(--brand); font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
.card h3 { font-size: 18.5px; margin: 8px 0 10px; }
.card p { color: var(--muted); font-size: 14.5px; }
.card .more { display: inline-block; margin-top: 14px; font-weight: 600; font-size: 14px; }

.prose { max-width: 780px; }
.prose h2 { font-size: 23px; margin: 40px 0 12px; padding-top: 8px; }
.prose h3 { font-size: 18px; margin: 26px 0 8px; }
.prose p { margin: 12px 0; color: #26333c; }
.prose ul, .prose ol { margin: 12px 0 12px 22px; color: #26333c; }
.prose li { margin: 7px 0; }
.prose .note {
  background: var(--soft); border-left: 4px solid var(--brand);
  padding: 14px 18px; border-radius: 0 6px 6px 0; margin: 18px 0; font-size: 15px;
}
.table-wrap { overflow-x: auto; margin: 18px 0; border: 1px solid var(--line); border-radius: 8px; }
table { border-collapse: collapse; width: 100%; min-width: 560px; font-size: 14.5px; }
th, td { padding: 11px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: var(--soft-2); font-weight: 700; }
tr:last-child td { border-bottom: none; }

.breadcrumb { font-size: 13.5px; color: var(--muted); padding: 18px 24px 0; max-width: 1120px; margin: 0 auto; }
.page-title { max-width: 1120px; margin: 0 auto; padding: 26px 24px 6px; }
.page-title h1 { font-size: clamp(26px, 3.6vw, 36px); font-weight: 800; }
.page-title .meta { color: var(--muted); font-size: 14px; margin-top: 6px; }

.faq-item { border: 1px solid var(--line); border-radius: 8px; margin-bottom: 12px; overflow: hidden; }
.faq-item summary { padding: 15px 18px; font-weight: 600; cursor: pointer; list-style: none; position: relative; padding-right: 44px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; position: absolute; right: 18px; font-size: 20px; color: var(--brand); }
.faq-item details[open] summary::after { content: '−'; }
.faq-item p { padding: 0 18px 16px; color: #26333c; font-size: 15px; }

.cta-band {
  background: linear-gradient(120deg, var(--brand-dark), var(--brand));
  color: #fff; border-radius: 10px; padding: 34px 36px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.cta-band h2 { color: #fff; font-size: 21px; margin: 4px 0; }
.cta-band p { color: #d6e6e0; font-size: 14.5px; }
.cta-band .btn.primary { background: #fff; color: var(--brand-dark) !important; }

.footer { border-top: 1px solid var(--line); background: var(--soft); margin-top: 60px; }
.footer .inner { max-width: 1120px; margin: 0 auto; padding: 30px 24px; display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; font-size: 13.5px; color: var(--muted); }
.footer a { color: var(--muted); margin-right: 16px; }
.footer a:hover { color: var(--brand); }
@media (max-width: 760px) {
  .nav { display: none; }
  .hero { padding: 52px 20px 46px; }
  .section { padding: 42px 20px; }
}