:root {
  --background: #ffffff;
  --surface: #f4f7f6;
  --text: #12201a;
  --muted: #607069;
  --border: #dce5e1;
  --accent: #087f5b;
  --accent-dark: #056246;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--text); background: var(--background); line-height: 1.6; }
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
button, input { font: inherit; }
.container { width: min(calc(100% - 32px), var(--container)); margin-inline: auto; }
.skip-link { position: absolute; left: -9999px; top: 8px; background: #000; color: #fff; padding: 10px 14px; z-index: 1000; }
.skip-link:focus { left: 8px; }
.site-header { border-bottom: 1px solid var(--border); background: #fff; position: sticky; top: 0; z-index: 50; }
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { font-weight: 900; font-size: 1.6rem; text-decoration: none; color: var(--accent); letter-spacing: -0.04em; }
.main-navigation { display: flex; gap: 20px; align-items: center; }
.main-navigation a { text-decoration: none; font-weight: 700; font-size: 0.95rem; }
.main-navigation a:hover, .main-navigation a:focus-visible { color: var(--accent); }
.menu-toggle { display: none; border: 1px solid var(--border); background: #fff; padding: 8px 12px; border-radius: 6px; }
.hero-layout { display: grid; grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr); gap: 32px; padding-block: 40px; }
.hero-card { display: grid; grid-template-columns: 1.25fr 1fr; background: var(--surface); overflow: hidden; border-radius: 10px; }
.hero-card-content { padding: 36px; align-self: center; }
.hero-card h1 { margin: 10px 0 14px; font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1.03; letter-spacing: -0.05em; }
.hero-card p { color: var(--muted); font-size: 1.1rem; }
.category-link { color: var(--accent); font-weight: 800; text-decoration: none; text-transform: uppercase; font-size: 0.8rem; letter-spacing: 0.08em; }
.read-more { display: inline-block; margin-top: 12px; color: var(--accent-dark); font-weight: 800; }
.ad-slot { border: 1px dashed #9aacA4; background: #f8faf9; display: grid; place-items: center; color: var(--muted); text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.08em; }
.ad-slot-large { min-height: 320px; }
.ad-slot-rectangle { min-height: 280px; }
.section-block { padding-bottom: 56px; }
.section-heading { border-bottom: 3px solid var(--text); margin-bottom: 24px; }
.section-heading h2 { margin: 0 0 10px; }
.content-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr); gap: 32px; }
.article-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.article-card { border-bottom: 1px solid var(--border); padding-bottom: 24px; }
.article-card img { aspect-ratio: 16 / 9; object-fit: cover; border-radius: 8px; }
.article-card h3 { font-size: 1.35rem; line-height: 1.2; margin: 10px 0 8px; }
.article-card h3 a { text-decoration: none; }
.article-card p { color: var(--muted); margin: 0; }
.sidebar { display: grid; align-content: start; gap: 24px; }
.newsletter { padding: 24px; background: var(--surface); border-radius: 8px; }
.newsletter h2 { margin-top: 0; }
.newsletter label { display: block; font-weight: 700; margin-bottom: 6px; }
.newsletter input { width: 100%; padding: 12px; border: 1px solid var(--border); border-radius: 4px; }
.newsletter button { width: 100%; margin-top: 10px; border: 0; background: var(--accent); color: #fff; padding: 12px; border-radius: 4px; font-weight: 800; }
.article-page { padding-block: 44px 64px; }
.article-header { max-width: 850px; margin-inline: auto; }
.article-header h1 { font-size: clamp(2.3rem, 5vw, 4.6rem); line-height: 1.03; letter-spacing: -0.055em; margin: 14px 0; }
.article-excerpt { font-size: 1.25rem; color: var(--muted); }
.article-meta { font-size: 0.95rem; color: var(--muted); }
.article-hero { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; margin: 32px 0; border-radius: 10px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 760px) minmax(260px, 1fr); gap: 48px; justify-content: center; }
.article-body { font-size: 1.12rem; }
.article-body h2 { font-size: 2rem; line-height: 1.2; margin-top: 42px; }
.article-body p { margin: 0 0 22px; }
.video-embed { position: relative; aspect-ratio: 16 / 9; margin: 28px 0; }
.video-embed iframe { width: 100%; height: 100%; border: 0; }
.in-article-ad { min-height: 250px; margin: 32px 0; }
.site-footer { background: #10261e; color: #eaf2ee; padding: 40px 0 18px; }
.footer-grid { display: flex; justify-content: space-between; gap: 32px; }
.footer-grid nav { display: flex; gap: 20px; align-items: start; }
.footer-grid a { color: inherit; }
.footer-brand { color: #8be0bc; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.14); margin-top: 28px; padding-top: 18px; color: #b9c9c1; }

@media (max-width: 850px) {
  .menu-toggle { display: block; }
  .main-navigation { display: none; position: absolute; left: 16px; right: 16px; top: 64px; background: #fff; border: 1px solid var(--border); padding: 16px; flex-direction: column; align-items: stretch; }
  .main-navigation.open { display: flex; }
  .hero-layout, .content-grid, .article-layout { grid-template-columns: 1fr; }
  .hero-card { grid-template-columns: 1fr; }
  .article-grid { grid-template-columns: 1fr; }
  .footer-grid { flex-direction: column; }
}