:root {
  --color-primary-900: #102a56;
  --color-primary-800: #173568;
  --color-primary-100: #eaf0fa;
  --color-accent-600: #d91f32;
  --color-accent-500: #e32636;
  --color-accent-100: #fdebed;
  --color-text: #17213a;
  --color-muted: #667085;
  --color-bg: #f6f8fc;
  --color-surface: #fff;
  --color-border: #e3e8f0;
  --color-success: #197a4a;
  --color-error: #b42318;
  --shadow: 0 10px 30px rgba(16, 42, 86, .08);
  --shadow-hover: 0 16px 40px rgba(16, 42, 86, .13);
  --container: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; color: var(--color-text); background: var(--color-bg); font: 400 16px/1.65 "Segoe UI", Inter, Manrope, Arial, sans-serif; }
body.is-locked { overflow: hidden; }
body.is-locked::before { content: ""; position: fixed; inset: 0; z-index: 90; background: rgba(16, 42, 86, .42); }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--color-primary-800); text-underline-offset: 3px; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid rgba(227, 38, 54, .35); outline-offset: 3px; }
h1, h2, h3, p { overflow-wrap: break-word; }
h1, h2, h3 { color: var(--color-primary-900); line-height: 1.16; letter-spacing: -.025em; }
h1 { margin: 0 0 24px; font-size: clamp(2.25rem, 4.5vw, 3.9rem); line-height: 1.05; }
h2 { margin: 0 0 20px; font-size: clamp(1.65rem, 3vw, 2.5rem); }
h3 { margin: 0 0 12px; font-size: clamp(1.2rem, 2vw, 1.5rem); }
[id] { scroll-margin-top: 110px; }
.container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
.narrow { max-width: 800px; }
.visually-hidden, .skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 1000; padding: 12px 16px; color: #fff; background: var(--color-primary-900); border-radius: 8px; }

.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255, 255, 255, .96); border-bottom: 1px solid transparent; backdrop-filter: blur(12px); transition: box-shadow .2s, border-color .2s; }
.site-header.is-scrolled { border-color: var(--color-border); box-shadow: 0 6px 20px rgba(16, 42, 86, .08); }
.header-row { min-height: 80px; display: flex; align-items: center; gap: 24px; }
.brand { flex: 0 0 auto; display: inline-flex; align-items: center; text-decoration: none; }
.brand img { width: 168px; height: 54px; object-fit: contain; object-position: left center; }
.nav { display: flex; align-items: center; gap: clamp(14px, 2vw, 28px); margin-left: auto; }
.nav a { position: relative; min-height: 44px; display: inline-flex; align-items: center; color: var(--color-primary-900); font-weight: 700; font-size: .9rem; text-decoration: none; }
.nav a::after { content: ""; position: absolute; right: 0; bottom: 4px; left: 0; height: 2px; background: var(--color-accent-500); transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.nav a:hover::after, .nav a:focus-visible::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a.nav-highlight { min-height: 38px; padding: 0 12px; color: #fff; background: var(--color-accent-500); border-radius: 9px; }
.nav a.nav-highlight::after { display: none; }
.nav a.nav-highlight:hover, .nav a.nav-highlight:focus-visible { background: var(--color-accent-600); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.icon-button, .menu-button { width: 44px; height: 44px; display: inline-grid; place-items: center; color: var(--color-primary-900); background: #fff; border: 1px solid var(--color-border); border-radius: 10px; cursor: pointer; }
.menu-button { display: none; width: auto; min-width: 44px; padding: 0 12px; font-weight: 700; }
.search-icon { width: 19px; height: 19px; border: 2px solid currentColor; border-radius: 50%; position: relative; }
.search-icon::after { content: ""; position: absolute; width: 8px; height: 2px; right: -6px; bottom: -3px; background: currentColor; transform: rotate(45deg); }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 22px; color: #fff; background: var(--color-accent-500); border: 1px solid var(--color-accent-500); border-radius: 10px; font-weight: 800; text-decoration: none; cursor: pointer; transition: transform .18s, background .18s, box-shadow .18s; }
.button:hover { background: #c81e30; border-color: #c81e30; box-shadow: 0 8px 22px rgba(217, 31, 50, .2); }
.button:active { transform: translateY(1px); }
.button--secondary { color: var(--color-accent-600); background: #fff; }
.button--secondary:hover { color: #fff; }
.button--small { min-height: 44px; padding: 8px 17px; font-size: .9rem; }

.hero { width: min(var(--container), calc(100% - 40px)); min-height: 480px; display: grid; align-items: center; position: relative; margin-inline: auto; overflow: hidden; background: linear-gradient(90deg, #fff 0%, #f7f9fc 44%, rgba(234, 240, 250, .42) 100%); }
.hero > .container { width: 100%; padding-inline: 32px; }
.hero::after { content: ""; position: absolute; inset: 0 0 0 43%; background: linear-gradient(90deg, #f7f9fc 0%, rgba(247,249,252,.1) 27%), url("images/hero.webp") 68% center/cover no-repeat; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 7fr) minmax(320px, 5fr); align-items: center; min-height: 480px; }
.hero-copy-wrap { max-width: 720px; padding-block: 40px; }
.eyebrow { margin: 0 0 14px; color: var(--color-accent-600); font-size: .78rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.hero h1 { font-size: clamp(2.15rem, 4vw, 3.45rem); }
.hero h1 span { color: var(--color-accent-500); }
.hero-copy, .article-deck, .page-lead { max-width: 720px; margin: 0 0 28px; color: #475467; font-size: 1.125rem; line-height: 1.72; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.section { padding: 84px 0; }
.section--white { background: #fff; }
.section--soft { background: var(--color-primary-100); }
.section-head { max-width: 760px; margin: 0 auto 36px; text-align: center; }
.topics-section { padding-top: 36px; }
.topics-section .section-head { margin-bottom: 24px; }
.section-head::after { content: ""; display: block; width: 34px; height: 3px; margin: 18px auto 0; background: var(--color-accent-500); border-radius: 999px; }
.section-head p { margin: 0; color: var(--color-muted); }
.topics { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.topic-card { min-height: 280px; display: flex; flex-direction: column; align-items: center; padding: 28px 20px; text-align: center; background: #fff; border: 1px solid var(--color-border); border-radius: 16px; box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s; }
.topic-card:hover, .topic-card:focus-within { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.topic-card--featured { border-color: rgba(231, 36, 54, .55); background: linear-gradient(180deg, #fff 0%, #fff5f6 100%); box-shadow: 0 16px 38px rgba(231, 36, 54, .13); }
.topic-card--featured .topic-icon { color: #fff; background: var(--color-accent-500); }
.topic-icon { width: 58px; height: 58px; display: grid; place-items: center; margin-bottom: 18px; color: var(--color-primary-900); background: var(--color-primary-100); border-radius: 50%; font-size: 1.65rem; }
.topic-card p { flex: 1; margin: 0 0 16px; color: var(--color-muted); font-size: .92rem; }
.text-link { color: var(--color-accent-600); font-weight: 800; text-decoration: none; }
.text-link:hover { text-decoration: underline; }

.latest-layout { display: grid; grid-template-columns: minmax(0, 8fr) minmax(280px, 4fr); gap: 32px; align-items: start; }
.cards, .article-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.home-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card, .article-card { min-width: 0; display: flex; flex-direction: column; overflow: hidden; background: #fff; border: 1px solid var(--color-border); border-radius: 16px; box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s; }
.card:hover, .article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.card:focus-within, .article-card:focus-within { box-shadow: 0 0 0 3px rgba(227, 38, 54, .2), var(--shadow-hover); }
.card-media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--color-primary-100); }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .2s; }
.card:hover .card-media img { transform: scale(1.03); }
.card-body { flex: 1; display: flex; flex-direction: column; padding: 24px; }
.tag, .card-category { align-self: flex-start; color: var(--color-accent-600); font-size: .75rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.card h3 { margin: 10px 0 12px; }
.card h3 a { color: inherit; text-decoration: none; }
.card p { margin: 0 0 18px; color: var(--color-muted); }
.card .text-link, .card a.stretched { margin-top: auto; color: var(--color-accent-600); font-weight: 800; text-decoration: none; }
.featured-card { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); }
.featured-card .card-media { aspect-ratio: auto; min-height: 340px; }
.featured-card h3 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
.meta { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--color-muted); font-size: .875rem; }
.aside-stack { display: grid; gap: 22px; }
.aside-card, .subscription { padding: 26px; background: #fff; border: 1px solid var(--color-border); border-radius: 16px; }
.subscription { color: #fff; background: var(--color-primary-900); border-color: var(--color-primary-900); }
.subscription h2, .subscription h3 { color: #fff; }
.subscription p { color: rgba(255,255,255,.78); }
.subscription label, .field label { display: block; margin-bottom: 7px; font-weight: 700; }
.subscription input, .field input, .field textarea, .search-field { width: 100%; min-height: 48px; padding: 11px 13px; color: var(--color-text); background: #fff; border: 1px solid var(--color-border); border-radius: 8px; }
.field textarea { min-height: 150px; resize: vertical; }
.subscription .button { width: 100%; margin-top: 10px; }
.form-status { min-height: 24px; margin: 10px 0 0; font-size: .88rem; }
.popular-list { display: grid; gap: 14px; }
.popular-item { display: grid; grid-template-columns: 62px 1fr; gap: 12px; align-items: center; color: inherit; text-decoration: none; }
.popular-item img { width: 62px; height: 62px; object-fit: cover; border-radius: 8px; }
.popular-item span { font-size: .86rem; font-weight: 700; line-height: 1.35; }
.section-action { margin-top: 32px; text-align: center; }
.category-cta { padding: 44px; background: var(--color-primary-100); border-radius: 24px; }
.category-links { display: flex; flex-wrap: wrap; gap: 12px 24px; margin: 22px 0; }

.page-hero, .article-hero { padding: 64px 0 56px; background: linear-gradient(135deg, #fff 0%, var(--color-primary-100) 100%); border-bottom: 1px solid var(--color-border); }
.page-hero h1, .article-hero h1 { max-width: 940px; font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.1; }
.breadcrumbs { margin: 0 0 22px; color: var(--color-muted); font-size: .9rem; }
.breadcrumbs a { color: var(--color-primary-800); }
.controls { display: grid; gap: 20px; margin-bottom: 32px; padding: 20px; background: #fff; border: 1px solid var(--color-border); border-radius: 16px; }
.filter-buttons { display: flex; flex-wrap: wrap; gap: 10px; }
.filter-button { min-height: 44px; padding: 8px 16px; color: var(--color-primary-900); background: #fff; border: 1px solid var(--color-border); border-radius: 999px; font-weight: 700; cursor: pointer; }
.filter-button[aria-pressed="true"] { color: #fff; background: var(--color-primary-900); border-color: var(--color-primary-900); }
.result-count { margin: 0; color: var(--color-muted); }
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 34px; }
.pagination button { min-width: 44px; min-height: 44px; color: var(--color-primary-900); background: #fff; border: 1px solid var(--color-border); border-radius: 8px; cursor: pointer; }
.pagination button[aria-current="page"] { color: #fff; background: var(--color-primary-900); }
.pagination button:disabled { opacity: .45; cursor: not-allowed; }
.empty { padding: 30px; text-align: center; color: var(--color-muted); background: #fff; border: 1px solid var(--color-border); border-radius: 16px; }

.article-layout { display: grid; grid-template-columns: minmax(0, 760px) minmax(240px, 280px); justify-content: center; gap: 54px; align-items: start; }
.prose { max-width: 780px; color: #28364f; font-size: 1.05rem; line-height: 1.78; }
.prose > :first-child { margin-top: 0; }
.prose h2 { margin-top: 48px; }
.prose h3 { margin-top: 32px; }
.prose a { text-decoration: underline; }
.prose ul, .prose ol { padding-left: 1.35em; }
.prose li { margin-bottom: .55em; }
.quote, .prose blockquote { margin: 32px 0; padding: 22px 26px; color: var(--color-primary-900); background: var(--color-primary-100); border-left: 4px solid var(--color-accent-500); border-radius: 0 12px 12px 0; font-size: 1.15rem; font-weight: 650; }
.callout, .key-points, .author-box { margin: 28px 0; padding: 24px; background: #fff; border: 1px solid var(--color-border); border-radius: 16px; box-shadow: var(--shadow); }
.callout { border-left: 4px solid var(--color-accent-500); }
.article-disclaimer { margin-bottom: 30px; padding: 18px 20px; color: #5a4420; background: #fff8e7; border: 1px solid #efd89e; border-radius: 12px; font-size: .92rem; }
.article-disclaimer p { margin: 0; }
.toc { position: sticky; top: 108px; display: grid; gap: 10px; padding: 22px; background: #fff; border: 1px solid var(--color-border); border-radius: 16px; box-shadow: var(--shadow); }
.toc strong { color: var(--color-primary-900); }
.toc a { color: var(--color-muted); font-size: .9rem; text-decoration: none; }
.toc a:hover { color: var(--color-accent-600); }
.hub-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.hub-card { padding: 26px; background: #fff; border: 1px solid var(--color-border); border-radius: 16px; box-shadow: var(--shadow); }
.hub-card h2 { font-size: 1.5rem; }
.hub-card h2 a { color: inherit; text-decoration: none; }
.simple-grid, .contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; align-items: start; }
.field { margin-bottom: 18px; }
.field-error { min-height: 20px; margin: 4px 0 0; color: var(--color-error); font-size: .86rem; }
.legal-note { padding: 18px; color: #654b12; background: #fff8e7; border: 1px solid #efd89e; border-radius: 12px; }

.site-footer { padding-top: 60px; color: rgba(255,255,255,.78); background: var(--color-primary-900); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; }
.footer-logo { width: 190px; height: 74px; object-fit: contain; object-position: left center; margin-bottom: 12px; }
.footer-slogan { max-width: 260px; }
.footer-group h2 { color: #fff; font-size: 1rem; letter-spacing: 0; }
.footer-group ul { margin: 0; padding: 0; list-style: none; }
.footer-group li { margin-bottom: 8px; }
.footer-group a { color: rgba(255,255,255,.78); text-decoration: none; }
.footer-group a:hover { color: #fff; text-decoration: underline; }
.social-links { display: flex; gap: 10px; margin-top: 18px; }
.social-links a { width: 44px; height: 44px; display: grid; place-items: center; color: #fff; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; text-decoration: none; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 44px; padding: 22px 0; border-top: 1px solid rgba(255,255,255,.14); font-size: .86rem; }
.footer-bottom p { margin: 0; }
.back-to-top { position: fixed; right: max(18px, env(safe-area-inset-right)); bottom: max(18px, env(safe-area-inset-bottom)); z-index: 80; width: 48px; height: 48px; display: grid; place-items: center; color: #fff; background: var(--color-accent-500); border: 0; border-radius: 50%; box-shadow: var(--shadow-hover); opacity: 0; visibility: hidden; pointer-events: none; cursor: pointer; transition: opacity .2s; }
.back-to-top.is-visible { opacity: 1; visibility: visible; pointer-events: auto; }
.toast-region { position: fixed; right: 18px; bottom: 80px; z-index: 300; display: grid; gap: 10px; width: min(360px, calc(100% - 36px)); }
.toast { padding: 14px 44px 14px 16px; color: #fff; background: var(--color-primary-900); border-radius: 10px; box-shadow: var(--shadow-hover); position: relative; }
.toast button { position: absolute; top: 8px; right: 8px; color: #fff; background: transparent; border: 0; cursor: pointer; }
.search-dialog { width: min(720px, calc(100% - 28px)); max-height: min(760px, calc(100vh - 40px)); padding: 0; color: var(--color-text); background: #fff; border: 0; border-radius: 20px; box-shadow: 0 30px 90px rgba(16,42,86,.28); }
.search-dialog::backdrop { background: rgba(16, 42, 86, .58); }
.dialog-inner { padding: 28px; }
.dialog-head { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.dialog-close { width: 44px; height: 44px; display: grid; place-items: center; background: #fff; border: 1px solid var(--color-border); border-radius: 10px; cursor: pointer; }
.search-results { display: grid; gap: 10px; margin-top: 18px; max-height: 430px; overflow: auto; }
.search-result { padding: 14px; color: inherit; background: var(--color-bg); border-radius: 10px; text-decoration: none; }
.search-result small { color: var(--color-accent-600); font-weight: 800; text-transform: uppercase; }
.search-result strong { display: block; margin-top: 4px; color: var(--color-primary-900); }

@media (max-width: 1100px) {
  .nav { gap: 12px; }
  .nav a { font-size: .82rem; }
  .topics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .header-row { min-height: 68px; }
  .brand img { width: 150px; height: 54px; }
  .menu-button { display: inline-flex; align-items: center; justify-content: center; }
  .header-actions { margin-left: auto; }
  .header-actions .button { display: none; }
  .nav { position: fixed; top: 68px; right: 16px; left: 16px; display: none; margin: 0; padding: 18px; background: #fff; border: 1px solid var(--color-border); border-radius: 16px; box-shadow: var(--shadow-hover); }
  .nav.open { display: grid; }
  .nav a { width: 100%; font-size: 1rem; }
  .hero { min-height: auto; padding-bottom: 0; }
  .hero::after { position: relative; inset: auto; display: block; width: 100%; aspect-ratio: 16/9; background: linear-gradient(0deg, rgba(247,249,252,.4), rgba(247,249,252,0)), url("images/hero.webp") 65% center/cover no-repeat; }
  .hero-grid { display: block; min-height: auto; }
  .hero-copy-wrap { padding: 60px 0 44px; }
  .latest-layout, .article-layout { grid-template-columns: 1fr; }
  .aside-stack { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .toc { position: static; order: -1; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .cards, .article-grid, .hub-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .featured-card { grid-template-columns: 1fr; }
  .featured-card .card-media { min-height: 260px; }
  .simple-grid, .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .topics, .cards, .article-grid, .home-cards, .hub-grid, .aside-stack, .footer-grid { grid-template-columns: 1fr; }
  .topic-card { min-height: 0; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .category-cta { padding: 28px 22px; }
  .footer-bottom { flex-direction: column; }
}
@media (max-width: 480px) {
  .container { width: min(100% - 32px, var(--container)); }
  .hero { width: min(100% - 32px, var(--container)); }
  .hero > .container { padding-inline: 20px; }
  .brand img { width: 132px; }
  .page-hero, .article-hero { padding: 48px 0 42px; }
  .dialog-inner { padding: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
@media (forced-colors: active) {
  .button, .filter-button[aria-pressed="true"] { border: 2px solid ButtonText; }
}
@media print {
  .site-header, .site-footer, .back-to-top, .toast-region, .search-dialog, .subscription, .toc, .hero-actions { display: none !important; }
  body { color: #17213a; background: #fff; font-size: 12pt; }
  .section { padding: 20px 0; }
  .article-layout { display: block; }
  .prose { max-width: none; }
  a::after { content: " (" attr(href) ")"; font-size: .8em; }
}