:root {
  color-scheme: light;
  --bg: #f7f9f7;
  --surface: #ffffff;
  --surface-2: #f1f6f2;
  --text: #17211d;
  --muted: #69746f;
  --line: #d8e0dc;
  --green: #08733f;
  --green-2: #0c8a4d;
  --green-3: #0f5f37;
  --green-soft: #e7f4ec;
  --radius: 10px;
  --shadow: 0 20px 45px rgba(20, 36, 28, 0.09);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
}

a { color: var(--green-2); }

img { max-width: 100%; height: auto; }

/* Header */
.blog-header {
  background: linear-gradient(135deg, var(--green-3), var(--green));
  color: #fff;
}

.blog-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.blog-brand {
  display: inline-flex;
  flex-direction: column;
  text-decoration: none;
  color: #fff;
  line-height: 1.2;
}

.blog-brand strong { font-size: 1.15rem; letter-spacing: -0.01em; }
.blog-brand span { font-size: .78rem; opacity: .85; }

.blog-nav {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.blog-nav a {
  color: #fff;
  text-decoration: none;
  font-size: .9rem;
  opacity: .92;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

.blog-nav a:hover,
.blog-nav a.active { border-bottom-color: #fff; opacity: 1; }

.blog-nav a.blog-nav__cta {
  background: #fff;
  color: var(--green-3);
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 600;
  border-bottom: none;
}

.blog-nav a.blog-nav__cta:hover { opacity: .9; }

/* Layout wrapper */
.blog-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 24px 24px;
}

.blog-hero {
  max-width: 720px;
  margin-bottom: 32px;
}

.blog-hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  line-height: 1.15;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.blog-hero p {
  font-size: 1.05rem;
  color: var(--muted);
  margin: 0;
}

/* Card grid */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px;
}

.post-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform .15s, box-shadow .15s;
}

.post-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.post-card__media {
  height: 8px;
  background: linear-gradient(90deg, var(--green), var(--green-2));
}

.post-card__body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }

.post-card__tag {
  align-self: flex-start;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--green-2);
  background: var(--green-soft);
  padding: 4px 10px;
  border-radius: 999px;
}

.post-card__body h2 { font-size: 1.15rem; margin: 0; line-height: 1.3; }
.post-card__body p { margin: 0; color: var(--muted); font-size: .92rem; flex: 1; }

.post-card__meta {
  font-size: .78rem;
  color: var(--muted);
  display: flex;
  gap: 10px;
  align-items: center;
}

/* Article page */
.article {
  max-width: 720px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(24px, 5vw, 56px);
}

.article__tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--green-2);
  background: var(--green-soft);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.article h1 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}

.article__meta {
  color: var(--muted);
  font-size: .85rem;
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.article__lead {
  font-size: 1.15rem;
  color: var(--text);
  font-weight: 500;
  margin: 0 0 24px;
}

.article h2 {
  font-size: 1.35rem;
  margin: 32px 0 12px;
  letter-spacing: -0.01em;
}

.article h3 { font-size: 1.1rem; margin: 24px 0 8px; }

.article p { margin: 0 0 16px; }

.article ul, .article ol { margin: 0 0 16px; padding-left: 22px; }
.article li { margin-bottom: 8px; }

.article blockquote {
  margin: 24px 0;
  padding: 14px 20px;
  border-left: 4px solid var(--green);
  background: var(--surface-2);
  border-radius: 0 8px 8px 0;
  color: var(--text);
  font-style: italic;
}

.article__cta {
  margin-top: 36px;
  padding: 24px;
  background: linear-gradient(135deg, var(--green-soft), #fff);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center;
}

.article__cta h3 { margin: 0 0 8px; }
.article__cta p { margin: 0 0 16px; color: var(--muted); }

.btn-primary {
  display: inline-block;
  background: var(--green);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 11px 24px;
  border-radius: 999px;
}

.btn-primary:hover { background: var(--green-3); }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 24px;
  color: var(--muted);
  text-decoration: none;
  font-size: .9rem;
}

.back-link:hover { color: var(--green-2); }

/* Disclaimer / ad note */
.ad-slot {
  margin: 28px auto;
  max-width: 720px;
  min-height: 90px;
  overflow: hidden;
}

/* Footer */
.blog-footer {
  border-top: 1px solid var(--line);
  background: var(--surface-2);
  margin-top: 48px;
}

.blog-footer__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.blog-footer__links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.blog-footer__links a {
  color: var(--green-2);
  text-decoration: none;
  font-size: .88rem;
}

.blog-footer__links a:hover { text-decoration: underline; }

.blog-footer__legal {
  font-size: .76rem;
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
}

@media (max-width: 600px) {
  .blog-wrap { padding: 28px 16px 16px; }
  .article { padding: 24px 18px; }
}