:root {
  color-scheme: light;
  --ink: #101820;
  --muted: #607086;
  --line: rgba(16, 24, 32, 0.11);
  --green: #063525;
  --green-2: #0c5c3f;
  --gold: #d6aa3f;
  --paper: #f5f7f1;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(6, 53, 37, 0.08), transparent 36%),
    linear-gradient(315deg, rgba(214, 170, 63, 0.12), transparent 34%),
    var(--paper);
  font-family: Arial, sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.article-header,
.article-footer,
main {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
}

.article-header {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: #ffffff;
  background: var(--green);
  border-radius: 14px;
  font-weight: 900;
}

.brand strong,
.brand small {
  display: block;
}

.brand small,
.article-header nav a,
.eyebrow {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.article-header nav a {
  padding: 10px 13px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.kb-hero {
  padding: clamp(46px, 7vw, 84px) clamp(24px, 5vw, 70px);
  overflow: hidden;
  color: #ffffff;
  background:
    linear-gradient(135deg, rgba(6, 53, 37, 0.96), rgba(11, 92, 63, 0.88)),
    radial-gradient(circle at 80% 20%, rgba(214, 170, 63, 0.22), transparent 32%);
  border-radius: 28px;
  box-shadow: 0 34px 90px rgba(6, 53, 37, 0.18);
}

.kb-hero .eyebrow,
.kb-article .eyebrow {
  color: var(--gold);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.kb-hero h1,
.kb-article h1 {
  max-width: 860px;
  margin-bottom: 22px;
  font-size: clamp(36px, 5.4vw, 68px);
  line-height: 1;
}

.kb-hero p,
.kb-article .lead {
  max-width: 760px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 19px;
  line-height: 1.6;
}

.kb-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 18px;
  margin: 28px 0;
}

.kb-card {
  min-height: 260px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 20px 60px rgba(16, 24, 32, 0.08);
}

.kb-card.featured {
  background: linear-gradient(180deg, #ffffff, #eff7f2);
}

.kb-card span,
.article-meta span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--green-2);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.kb-card h2 {
  margin-bottom: 14px;
  font-size: 25px;
  line-height: 1.12;
}

.kb-card p,
.kb-roadmap li,
.article-body p,
.article-body li {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.62;
}

.kb-roadmap,
.article-cta,
.legal-note {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: 28px;
  padding: 34px;
  margin: 28px 0 70px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: 24px;
}

.kb-roadmap ul {
  padding-left: 20px;
  margin: 0;
}

.kb-article {
  padding: clamp(46px, 7vw, 76px) clamp(24px, 5vw, 70px);
  color: #ffffff;
  background: linear-gradient(135deg, #063525, #0c5c3f);
  border-radius: 28px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.article-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 44px;
  margin: 36px 0 70px;
}

.article-body article,
.article-side {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(16, 24, 32, 0.08);
}

.article-body article {
  padding: clamp(28px, 4vw, 52px);
}

.article-body h2 {
  margin-top: 34px;
  font-size: 30px;
  line-height: 1.16;
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body ul,
.article-body ol {
  padding-left: 22px;
}

.article-side {
  align-self: start;
  padding: 24px;
  position: sticky;
  top: 20px;
}

.article-side a,
.article-cta a,
.article-footer a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  color: #ffffff;
  background: linear-gradient(135deg, #16975c, #08643f);
  border-radius: 999px;
  font-weight: 900;
}

.legal-note {
  display: block;
  margin-bottom: 28px;
}

.article-cta {
  align-items: center;
}

.article-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  padding: 30px 0 46px;
  color: var(--muted);
}

@media (max-width: 900px) {
  .article-header,
  .kb-roadmap,
  .article-cta,
  .article-body {
    grid-template-columns: 1fr;
  }

  .article-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .kb-grid {
    grid-template-columns: 1fr;
  }

  .article-side {
    position: static;
  }
}

@media (max-width: 620px) {
  .article-header,
  .article-footer,
  main {
    width: min(100% - 24px, 1160px);
  }

  .kb-hero h1,
  .kb-article h1 {
    font-size: 36px;
  }

  .kb-card,
  .kb-roadmap,
  .article-cta,
  .legal-note,
  .article-side {
    padding: 22px;
  }
}