:root {
  --bg: #0a0e0c;
  --surface: #131b16;
  --surface-raised: #18231c;
  --text: #f4f7f5;
  --muted: #a3afa7;
  --line: rgba(255, 255, 255, .1);
  --green: #67e58f;
  --green-soft: #a9f2bf;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: radial-gradient(circle at 78% -5%, rgba(103, 229, 143, .1), transparent 28rem), var(--bg); }
a { color: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { overflow-wrap: break-word; }
h1, h2, h3 { letter-spacing: -.04em; line-height: 1.08; }
h1 { margin: 16px 0 20px; font-size: clamp(2.65rem, 5vw, 4.5rem); font-weight: 850; }
h2 { margin: 10px 0 14px; font-size: clamp(1.6rem, 4vw, 2.35rem); }
.article-container { max-width: 820px; }
.skip-link { position: fixed; z-index: 100; top: -80px; left: 16px; padding: 10px 14px; border-radius: 10px; background: #fff; color: #111; transition: top .2s ease; }
.skip-link:focus { top: 16px; }
.site-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--line); background: rgba(10, 14, 12, .88); backdrop-filter: blur(16px); }
.nav { min-height: 72px; display: flex; justify-content: space-between; align-items: center; gap: var(--space-5); }
.brand { display: inline-flex; align-items: center; gap: var(--space-2); font-weight: 800; letter-spacing: -.02em; text-decoration: none; }
.brand-mark { display: grid; width: 32px; height: 32px; place-items: center; border-radius: 10px; background: var(--green); color: #07100a; font-weight: 900; }
.nav-links { display: flex; flex-wrap: wrap; gap: 22px; }
.nav-links a { color: var(--muted); font-size: .92rem; text-decoration: none; }
.nav-links a:hover, .nav-links a:focus-visible, .nav-links a[aria-current="page"] { color: var(--text); }
.nav-links .nav-planilha { padding: 7px 11px; border-radius: 999px; background: var(--green); color: #07100a; font-weight: 760; }
.nav-links .nav-planilha:hover, .nav-links .nav-planilha:focus-visible { background: var(--green-soft); color: #07100a; }
.menu-toggle { display: none; }
.breadcrumbs { color: var(--muted); font-size: .9rem; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.breadcrumbs a:hover { color: var(--green); }
.eyebrow { margin: 0; color: var(--green); font-size: .75rem; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.article-hero { padding: 54px 0 50px; }
.article-hero .eyebrow { margin-top: 34px; }
.articles-hero { padding: 78px 0 50px; }
.articles-hero .eyebrow { margin-top: 0; }
.article-lead { max-width: 720px; margin: 0; color: #c0c9c2; font-size: clamp(1.05rem, 2vw, 1.2rem); }
.article-meta { display: flex; flex-wrap: wrap; gap: 12px 28px; margin: 32px 0 0; color: var(--muted); font-size: .9rem; }
.article-meta div { display: flex; gap: 6px; }
.article-meta dt { font-weight: 700; }
.article-meta dd { margin: 0; }
.featured-image-wrap { padding-bottom: 14px; }
.featured-image { width: 100%; max-height: 520px; border: 1px solid var(--line); border-radius: 24px; object-fit: cover; }
.article-body { padding: 48px 0 80px; color: #d8e0da; font-size: 1.08rem; }
.article-body h2 { margin-top: 2.5em; }
.article-body h3 { margin-top: 2em; font-size: 1.35rem; }
.article-body a { color: var(--green-soft); }
.article-body li { margin: .55em 0; }
.article-body blockquote { margin: 2em 0; padding-left: 20px; border-left: 3px solid var(--green); color: #c0c9c2; }
.article-section { padding: 72px 0; }
.sources-section, .related-section { background: rgba(255, 255, 255, .025); }
.sources-list { display: grid; gap: 12px; padding-left: 22px; color: var(--muted); }
.sources-list a { color: var(--green-soft); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.related-card { min-width: 0; padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); text-decoration: none; transition: transform .18s ease, border-color .18s ease; }
.related-card:hover { transform: translateY(-3px); border-color: rgba(103, 229, 143, .45); }
.related-card span { color: var(--green); font-size: .75rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.related-card strong { display: block; margin-top: 14px; font-size: 1.1rem; line-height: 1.25; }
.related-card p, .empty-related { color: var(--muted); }
.empty-related { margin: 0; }
.articles-section { padding: 32px 0 80px; }
.articles-section-heading { margin-bottom: 26px; }
.articles-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.article-card { display: flex; min-width: 0; flex-direction: column; padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.article-card-category { margin: 0; color: var(--green); font-size: .75rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.article-card h3 { margin: 14px 0 12px; font-size: clamp(1.2rem, 3vw, 1.45rem); line-height: 1.2; }
.article-card h3 a { text-decoration: none; }
.article-card h3 a:hover { color: var(--green-soft); }
.article-card > p:not(.article-card-category) { margin: 0; color: var(--muted); }
.article-card-link { display: inline-flex; align-items: center; gap: 8px; width: fit-content; margin-top: 24px; color: var(--green-soft); font-weight: 750; text-decoration: none; }
.article-card-link:hover { color: var(--green); }
.articles-tools-section { padding-top: 0; }
.cta-section { padding-bottom: 96px; }
.cta-card { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: clamp(25px, 5vw, 44px); border: 1px solid var(--line); border-radius: 24px; background: radial-gradient(circle at 95% 0%, rgba(103, 229, 143, .13), transparent 17rem), var(--surface); }
.cta-card p:not(.eyebrow) { max-width: 600px; margin-bottom: 0; color: var(--muted); }
.button { display: inline-flex; min-height: var(--button-min-height); align-items: center; justify-content: center; gap: var(--button-gap); padding: 0 var(--button-padding-inline); border: 0; border-radius: var(--button-radius); font-weight: 760; text-decoration: none; cursor: pointer; transition: transform .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--green); color: #07100a; }
.button-primary:hover { background: var(--green-soft); }
.site-footer { border-top: 1px solid var(--line); color: var(--muted); }
.footer-content { display: flex; min-height: 90px; align-items: center; justify-content: space-between; gap: 16px; font-size: .9rem; }
.footer-content a:hover { color: var(--text); }
a:focus-visible { outline: 3px solid rgba(103, 229, 143, .5); outline-offset: 3px; }
@media (max-width: 760px) {
  .nav { position: relative; min-height: 64px; }
  .menu-toggle { display: grid; width: 42px; height: 42px; place-content: center; gap: 5px; padding: 0; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); color: var(--text); cursor: pointer; }
  .menu-toggle span { display: block; width: 18px; height: 2px; border-radius: 999px; background: currentColor; }
  .menu-toggle:focus-visible { outline: 3px solid rgba(103, 229, 143, .5); outline-offset: 3px; }
  .nav-links { display: none; position: absolute; top: calc(100% - 6px); right: 0; z-index: 20; width: min(280px, calc(100vw - 32px)); flex-direction: column; align-items: stretch; gap: 4px; padding: 12px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface-raised); box-shadow: 0 18px 36px rgba(0, 0, 0, .28); }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 10px 12px; border-radius: 9px; font-size: .94rem; }
  .nav-links a:hover, .nav-links a:focus-visible, .nav-links a[aria-current="page"] { background: rgba(255, 255, 255, .06); }
  .nav-links .nav-planilha { margin: 3px 0; text-align: center; }
  .article-hero { padding: 42px 0; }
  .article-body { padding: 36px 0 56px; }
  .article-section { padding: 52px 0; }
  .related-grid { grid-template-columns: 1fr; }
  .articles-hero { padding: 56px 0 40px; }
  .articles-section { padding-bottom: 56px; }
  .articles-grid { grid-template-columns: 1fr; }
  .cta-section { padding-bottom: 64px; }
  .cta-card { display: block; }
  .cta-card .button { width: 100%; margin-top: 24px; }
}
@media (max-width: 430px) {
  .brand { font-size: .9rem; }
  .nav-links { gap: 9px; }
  .nav-links a { font-size: .82rem; }
  .footer-content { align-items: flex-start; flex-direction: column; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; } }