:root {
  --navy: #073b52;
  --navy-2: #0b506d;
  --blue: #008fc5;
  --blue-dark: #006b97;
  --cyan: #dff4fb;
  --green: #00a94f;
  --green-dark: #08743d;
  --green-soft: #e7f7ed;
  --ink: #17313d;
  --muted: #58707b;
  --line: #cfdee4;
  --paper: #ffffff;
  --wash: #f4f8fa;
  --focus: #f4ad00;
  --shadow: 0 16px 40px rgba(7, 59, 82, 0.10);
  --radius: 14px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--paper); font-family: Inter, Aptos, "Segoe UI", Arial, sans-serif; font-size: 1rem; line-height: 1.65; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; }
a { color: var(--blue-dark); text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
a:hover { color: var(--green-dark); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
h1, h2, h3 { color: var(--navy); line-height: 1.12; letter-spacing: -0.025em; }
h1 { margin: 0 0 1rem; font-size: clamp(2.45rem, 6vw, 5rem); letter-spacing: -0.055em; }
h2 { margin: 0 0 .8rem; font-size: clamp(1.75rem, 3.5vw, 2.65rem); }
h3 { margin: 0 0 .55rem; font-size: 1.18rem; }
p { margin: 0 0 1rem; }
ul { padding-left: 1.25rem; }
li + li { margin-top: .45rem; }
.wrap { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.narrow { width: min(790px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: .7rem 1rem; color: #fff; background: var(--navy); transform: translateY(-160%); border-radius: 6px; }
.skip-link:focus { transform: none; }
.eyebrow { margin: 0 0 .65rem; color: var(--green-dark); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.lead { max-width: 750px; color: #365663; font-size: clamp(1.08rem, 2vw, 1.28rem); }
.meta { color: var(--muted); font-size: .9rem; }
.button-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.6rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: .72rem 1.05rem; border: 2px solid var(--blue-dark); border-radius: 8px; background: var(--blue-dark); color: #fff; font-weight: 750; text-decoration: none; }
.button:hover { color: #fff; background: var(--navy); border-color: var(--navy); }
.button.secondary { color: var(--blue-dark); background: #fff; }
.button.secondary:hover { color: var(--navy); background: var(--cyan); border-color: var(--navy); }
.text-link { font-weight: 750; }
.site-header { position: sticky; z-index: 20; top: 0; background: rgba(255,255,255,.97); border-top: 5px solid var(--blue); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; flex: 0 0 auto; }
.brand img { display: block; width: 236px; }
.menu-toggle { display: none; min-height: 44px; padding: .55rem .8rem; border: 1px solid var(--line); border-radius: 7px; background: #fff; color: var(--navy); font: inherit; font-weight: 750; cursor: pointer; }
.nav-list { display: flex; align-items: center; gap: 1.45rem; margin: 0; padding: 0; list-style: none; }
.nav-list li { margin: 0; }
.nav-list a { color: var(--ink); font-size: .94rem; font-weight: 700; text-decoration: none; }
.nav-list a:hover, .nav-list a[aria-current="page"] { color: var(--blue-dark); }
.nav-list .nav-cta { padding: .55rem .8rem; border-radius: 7px; background: var(--green-dark); color: #fff; }
.nav-list .nav-cta:hover, .nav-list .nav-cta[aria-current="page"] { background: #05592f; color: #fff; }
.hero { padding: 78px 0 70px; overflow: hidden; background: linear-gradient(125deg, #e7f7fc 0%, #fff 62%); border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .65fr); gap: 4rem; align-items: center; }
.hero-mark { position: relative; min-height: 320px; display: grid; place-items: center; }
.hero-mark::before, .hero-mark::after { content: ""; position: absolute; border-radius: 50%; }
.hero-mark::before { width: 285px; height: 285px; border: 1px solid #8bc9dc; box-shadow: 0 0 0 34px rgba(0,143,197,.07), 0 0 0 68px rgba(0,169,79,.05); }
.hero-mark::after { width: 170px; height: 170px; background: var(--navy); box-shadow: 102px -66px 0 -54px var(--blue), -92px 75px 0 -60px var(--green); }
.hero-mark span { position: relative; z-index: 1; max-width: 124px; color: #fff; font-size: .9rem; font-weight: 800; line-height: 1.3; text-align: center; }
.page-hero { padding: 58px 0 48px; background: linear-gradient(115deg, var(--navy) 0%, var(--navy-2) 68%, #08744b 145%); }
.page-hero h1 { max-width: 850px; color: #fff; font-size: clamp(2.25rem, 5vw, 4rem); }
.page-hero .eyebrow { color: #8ce8b5; }
.page-hero .lead { color: #d8ebf2; }
.section { padding: 72px 0; }
.section.tint { background: var(--wash); }
.section.dark { color: #d9ebf2; background: var(--navy); }
.section.dark h2, .section.dark h3 { color: #fff; }
.section.dark a:not(.button) { color: #9deabb; }
.section-head { max-width: 750px; margin-bottom: 2rem; }
.section-head > :last-child { margin-bottom: 0; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.card { padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 7px 22px rgba(7,59,82,.04); }
.card.accent { border-top: 5px solid var(--blue); }
.card.green { border-top-color: var(--green); }
.card p:last-child { margin-bottom: 0; }
.number { display: inline-grid; width: 2rem; height: 2rem; margin-bottom: .8rem; place-items: center; border-radius: 50%; color: #fff; background: var(--blue-dark); font-weight: 800; }
.callout { padding: 1.4rem 1.5rem; border-left: 5px solid var(--green); border-radius: 0 var(--radius) var(--radius) 0; background: var(--green-soft); }
.callout > :last-child { margin-bottom: 0; }
.resource-list { display: grid; gap: .8rem; padding: 0; list-style: none; }
.resource-list li { margin: 0; padding: 1rem 1.1rem; border: 1px solid var(--line); border-radius: 9px; background: #fff; }
.resource-list a { font-weight: 750; }
.definition-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1rem; }
.definition-list > div { padding: 1.15rem; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.definition-list dt { color: var(--navy); font-weight: 800; }
.definition-list dd { margin: .35rem 0 0; color: var(--muted); }
.article-layout { display: grid; grid-template-columns: minmax(0, 760px) minmax(220px, 300px); gap: 4rem; align-items: start; }
.article-body h2 { margin-top: 2.25rem; font-size: 1.65rem; }
.article-body h3 { margin-top: 1.75rem; }
.article-body p, .article-body li { max-width: 75ch; }
.article-side { position: sticky; top: 112px; padding: 1.2rem; border: 1px solid var(--line); border-radius: 10px; background: var(--wash); }
.article-side ul { margin-bottom: 0; }
.history-note { padding: 1rem 1.2rem; border: 1px solid #e0c982; border-radius: 9px; background: #fff9df; color: #5f501c; }
.split-band { display: grid; grid-template-columns: 1fr 1fr; }
.split-band > div { padding: 3.25rem max(2rem, calc((100vw - 1160px)/2)); }
.split-band > :first-child { padding-left: max(20px, calc((100vw - 1160px)/2)); background: var(--cyan); }
.split-band > :last-child { padding-right: max(20px, calc((100vw - 1160px)/2)); color: #d9ebf2; background: var(--navy); }
.split-band > :last-child h2, .split-band > :last-child h3 { color: #fff; }
.site-footer { padding: 44px 0 28px; color: #d3e7ef; background: #052f42; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 3rem; }
.footer-brand img { width: 210px; padding: .45rem; border-radius: 6px; background: #fff; }
.site-footer h2 { margin: 0 0 .75rem; color: #fff; font-size: 1rem; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li { margin: .35rem 0; }
.site-footer a { color: #fff; }
.footer-note { padding-top: 1.4rem; margin-top: 2rem; border-top: 1px solid rgba(255,255,255,.18); font-size: .85rem; }
@media (max-width: 900px) {
  .header-inner { min-height: 72px; }
  .menu-toggle { display: inline-flex; }
  .primary-nav { display: none; position: absolute; top: 76px; left: 0; width: 100%; padding: 1rem 20px 1.25rem; border-bottom: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
  .primary-nav.open { display: block; }
  .nav-list { align-items: stretch; flex-direction: column; gap: .15rem; }
  .nav-list a { display: block; padding: .7rem .35rem; }
  .nav-list .nav-cta { display: inline-flex; padding-inline: .8rem; }
  .hero-grid, .article-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-mark { min-height: 260px; }
  .article-side { position: static; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .wrap, .narrow { width: calc(100% - 28px); }
  .brand img { width: 190px; }
  .hero, .section { padding: 52px 0; }
  .page-hero { padding: 42px 0 36px; }
  .hero-mark { display: none; }
  .grid-2, .grid-3, .definition-list, .footer-grid, .split-band { grid-template-columns: 1fr; }
  .split-band > div, .split-band > :first-child, .split-band > :last-child { padding: 2.5rem 20px; }
  .button-row .button { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}