:root {
  --ink: #122944;
  --navy: #153a64;
  --blue: #255dc5;
  --blue-deep: #174ba8;
  --sky: #eaf2fc;
  --paper: #f8fafc;
  --white: #fff;
  --line: #d5e0ea;
  --muted: #52647a;
  --lime: #d9ef73;
  --shadow: 0 24px 70px rgba(15, 40, 74, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; line-height: 1.6; }
a { color: inherit; }
img, svg { max-width: 100%; }
:focus-visible { outline: 3px solid #f7b928; outline-offset: 4px; }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: absolute; z-index: 50; top: -60px; left: 12px; background: var(--white); padding: 10px 16px; }
.skip-link:focus { top: 12px; }

.site-header { background: var(--white); border-bottom: 1px solid var(--line); position: relative; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 84px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; white-space: nowrap; }
.brand-name { font-weight: 850; font-size: 1.65rem; letter-spacing: -.07em; line-height: 1; }
.brand-dot { color: var(--blue); }
.brand-symbol { width: 32px; height: 32px; border-radius: 9px; background: var(--blue); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; transform: rotate(-8deg); }
.brand-symbol span { width: 15px; height: 3px; background: white; border-radius: 9px; transform: rotate(8deg); }
.brand-symbol span:nth-child(2) { width: 12px; margin-left: -3px; }
.brand-symbol span:nth-child(3) { width: 8px; margin-left: -7px; }
.desktop-nav { display: flex; align-items: center; gap: 38px; }
.desktop-nav a, .mobile-menu nav a { font-weight: 680; font-size: .91rem; text-decoration: none; }
.desktop-nav a:hover, .mobile-menu nav a:hover, .desktop-nav a[aria-current="page"] { color: var(--blue); }
.mobile-menu { display: none; }

.hero { color: var(--white); background: radial-gradient(circle at 78% 17%, #3971b5 0, transparent 30%), linear-gradient(125deg, #123353, #17467d 65%, #24599a); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(330px, .88fr); gap: clamp(40px, 7vw, 110px); align-items: center; padding-block: clamp(76px, 10vw, 132px); }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 22px; color: #d3e3f5; text-transform: uppercase; font-size: .76rem; font-weight: 800; letter-spacing: .14em; line-height: 1.4; }
.eyebrow-line { display: inline-block; width: 21px; height: 3px; background: var(--lime); }
.eyebrow-dark { color: var(--blue); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.045em; }
.hero h1 { font-size: clamp(2.65rem, 5.3vw, 5.2rem); max-width: 700px; margin-bottom: 28px; }
.hero h1 span { color: var(--lime); }
.hero-lede { max-width: 560px; font-size: 1.14rem; color: #e3edf8; line-height: 1.75; }
.hero-actions { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; margin: 35px 0 22px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 28px; min-height: 53px; padding: 12px 23px; border-radius: 8px; font-weight: 800; text-decoration: none; }
.button-primary { color: var(--navy); background: var(--lime); }
.button-primary:hover { background: #e8f6a3; }
.text-link, .source-link { font-weight: 770; text-underline-offset: 5px; }
.text-link:hover, .source-link:hover { color: var(--lime); }
.hero-caveat { color: #c8d8ea; font-size: .79rem; max-width: 510px; margin-bottom: 0; }
.check-sheet { transform: rotate(2deg); background: #fdfefe; color: var(--ink); border-radius: 4px 25px 5px 5px; padding: 29px 33px 30px; box-shadow: var(--shadow); position: relative; }
.check-sheet::after { content: ""; position: absolute; width: 90px; height: 13px; top: -7px; left: calc(50% - 45px); transform: rotate(-2deg); background: rgba(217, 239, 115, .92); }
.sheet-top { display: flex; justify-content: space-between; align-items: center; padding-bottom: 18px; border-bottom: 1px solid var(--line); text-transform: uppercase; font-size: .72rem; font-weight: 850; letter-spacing: .1em; color: var(--muted); }
.sheet-mark { color: var(--blue); }
.check-sheet h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 27px 0 24px; }
.check-sheet ul { list-style: none; margin: 0; padding: 0; }
.check-sheet li { display: flex; align-items: flex-start; gap: 15px; padding: 13px 0; border-top: 1px solid var(--line); font-size: .96rem; }
.check-sheet li:first-child { border: 0; }
.check-box { width: 20px; height: 20px; flex: none; border: 2px solid #81a4c7; border-radius: 3px; margin-top: 2px; }
.sheet-bottom { border-top: 1px solid var(--line); margin: 17px 0 0; padding-top: 18px; font-size: .79rem; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; color: var(--blue); }

.trust-strip { background: #e2ecf8; border-bottom: 1px solid #c6d8eb; }
.trust-inner { display: flex; justify-content: center; gap: clamp(25px, 8vw, 120px); padding-block: 17px; }
.trust-inner span { font-weight: 760; font-size: .85rem; color: var(--navy); }
.trust-inner span::before { content: "●"; color: var(--blue); font-size: .52rem; vertical-align: 2px; margin-right: 10px; }
.section { padding-block: clamp(74px, 9vw, 116px); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 45px; margin-bottom: 36px; }
.section-heading h2, .route-intro h2, .sources-section h2 { font-size: clamp(2rem, 4vw, 3.5rem); max-width: 660px; margin-bottom: 0; }
.section-heading > p { max-width: 360px; margin-bottom: 0; color: var(--muted); }
.article-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.article-card { display: flex; flex-direction: column; min-height: 292px; padding: clamp(24px, 3.2vw, 36px); background: var(--white); border: 1px solid var(--line); border-radius: 12px; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.article-card:hover { transform: translateY(-4px); box-shadow: 0 20px 45px rgba(19, 51, 88, .11); border-color: #a5c3e6; }
.article-card-featured { background: var(--sky); border-color: #bed4ed; }
.card-top { display: flex; align-items: center; justify-content: space-between; color: var(--blue); font-size: 1.3rem; }
.category { font-size: .73rem; font-weight: 850; text-transform: uppercase; letter-spacing: .12em; }
.article-card-title { max-width: 480px; font-size: clamp(1.55rem, 2.6vw, 2.2rem); line-height: 1.18; font-weight: 820; letter-spacing: -.04em; margin: 23px 0 12px; }
.article-card-description { max-width: 445px; color: var(--muted); }
.article-card-meta { margin-top: auto; padding-top: 28px; color: var(--navy); font-size: .78rem; font-weight: 800; }
.route-section { background: var(--white); border-block: 1px solid var(--line); }
.route-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(45px, 9vw, 130px); }
.route-intro > p:last-child { color: var(--muted); max-width: 390px; margin-top: 22px; }
.route-steps { list-style: none; padding: 0; margin: 0; counter-reset: step; }
.route-steps li { display: flex; gap: 24px; padding: 23px 0; border-top: 1px solid var(--line); }
.route-steps li:first-child { padding-top: 0; border: 0; }
.step-number { font-weight: 850; color: var(--blue); font-size: 1.1rem; }
.route-steps h3 { font-size: 1.35rem; margin-bottom: 8px; }
.route-steps p { margin-bottom: 10px; color: var(--muted); }
.route-steps a { color: var(--blue); font-size: .86rem; font-weight: 800; text-underline-offset: 4px; }
.sources-section { color: var(--white); background: var(--navy); padding-block: clamp(65px, 8vw, 100px); }
.sources-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 10vw, 130px); }
.sources-grid > div:last-child { color: #d8e6f6; }
.source-link { color: var(--lime); }
.site-footer { background: #0d223a; color: #d2e1f0; padding-top: 55px; }
.footer-grid { display: flex; justify-content: space-between; gap: 35px; padding-bottom: 48px; }
.brand-footer { color: var(--white); }
.footer-grid p { font-size: .85rem; margin: 15px 0 0; }
.footer-grid nav { display: flex; gap: 27px; align-items: flex-start; }
.footer-grid nav a { font-size: .85rem; text-underline-offset: 5px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; border-top: 1px solid #29415a; padding-block: 18px 25px; font-size: .73rem; }

.page-hero { background: linear-gradient(135deg, #153a64, #1f538e); color: var(--white); padding-block: clamp(65px, 8vw, 105px); }
.page-hero .shell { max-width: 930px; }
.page-hero h1 { font-size: clamp(2.3rem, 5vw, 4.55rem); max-width: 860px; margin-bottom: 22px; }
.page-hero p:not(.eyebrow) { font-size: 1.12rem; color: #dfebf7; max-width: 750px; margin-bottom: 0; }
.article-layout { display: grid; grid-template-columns: minmax(0, 700px) 260px; justify-content: space-between; gap: 80px; padding-block: 70px 95px; }
.article-body { font-size: 1.035rem; }
.article-body h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 46px 0 14px; }
.article-body h3 { font-size: 1.22rem; margin: 28px 0 10px; }
.article-body p, .article-body li { color: #2e4258; }
.article-body ul, .article-body ol { padding-left: 24px; }
.article-body li { margin-bottom: 9px; }
.article-body a { color: var(--blue-deep); text-underline-offset: 4px; }
.article-body a:hover { color: var(--navy); }
.article-intro { font-size: 1.2rem; line-height: 1.7; color: var(--ink) !important; }
.callout { border-left: 4px solid var(--blue); background: var(--sky); padding: 19px 23px; border-radius: 0 9px 9px 0; margin: 32px 0; }
.callout p:last-child { margin-bottom: 0; }
.comparison-table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: .9rem; }
.comparison-table th, .comparison-table td { border: 1px solid var(--line); padding: 11px 12px; text-align: left; vertical-align: top; }
.comparison-table th { background: var(--sky); }
.article-sources { border-top: 1px solid var(--line); margin-top: 52px; padding-top: 22px; font-size: .88rem; }
.article-sources h2 { font-size: 1.25rem; margin-top: 0; }
.article-sources ul { padding-left: 20px; }
.article-sidebar { align-self: start; position: sticky; top: 25px; border: 1px solid var(--line); background: var(--white); padding: 25px; border-radius: 12px; }
.article-sidebar p { font-size: .75rem; font-weight: 850; color: var(--blue); letter-spacing: .11em; text-transform: uppercase; margin-bottom: 17px; }
.article-sidebar nav { display: grid; gap: 13px; }
.article-sidebar a { color: var(--ink); font-size: .9rem; text-decoration: none; line-height: 1.35; }
.article-sidebar a:hover, .article-sidebar a[aria-current="page"] { color: var(--blue); text-decoration: underline; text-underline-offset: 4px; }
.back-link { display: inline-block; color: var(--blue-deep); font-size: .85rem; font-weight: 800; text-underline-offset: 4px; margin-bottom: 25px; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 55px; }
  .check-sheet { max-width: 600px; transform: rotate(1deg); }
  .article-layout { gap: 35px; grid-template-columns: minmax(0, 1fr) 210px; }
}

@media (max-width: 680px) {
  .shell { width: min(100% - 32px, 560px); }
  .header-inner { min-height: 68px; }
  .brand-name { font-size: 1.42rem; }
  .brand-symbol { width: 29px; height: 29px; }
  .desktop-nav { display: none; }
  .mobile-menu { display: block; position: relative; }
  .mobile-menu summary { display: flex; align-items: center; gap: 9px; cursor: pointer; list-style: none; font-weight: 760; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu nav { position: absolute; right: 0; top: calc(100% + 15px); min-width: 205px; display: grid; gap: 18px; background: var(--white); border: 1px solid var(--line); border-radius: 10px; padding: 18px; box-shadow: var(--shadow); }
  .hero-grid { padding-block: 66px 76px; }
  .hero h1 { font-size: clamp(2.6rem, 11vw, 4rem); }
  .hero-lede { font-size: 1.02rem; }
  .check-sheet { padding: 24px; }
  .trust-inner { display: grid; grid-template-columns: 1fr; gap: 4px; padding-block: 16px; }
  .section-heading, .footer-grid, .footer-bottom { display: block; }
  .section-heading > p { margin-top: 16px; }
  .article-grid, .route-grid, .sources-grid, .article-layout { grid-template-columns: 1fr; }
  .article-card { min-height: 245px; }
  .route-grid, .sources-grid { gap: 35px; }
  .footer-grid nav { margin-top: 30px; }
  .footer-bottom span { display: block; margin-bottom: 7px; }
  .article-layout { padding-block: 48px 70px; }
  .article-sidebar { position: static; }
  .comparison-table { display: block; overflow-x: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .article-card { transition: none; }
}