:root {
  --green: #81d100;
  --purple: #94569f;
  --txt: #1f2328;
  --muted: #5b6675;
  --card: #fbfcff;
  --line: rgba(0, 0, 0, 0.08);
}

.article-hero {
  padding: 112px 0 48px;
  background: linear-gradient(135deg, rgba(148, 86, 159, 0.08), rgba(129, 209, 0, 0.08));
}

.article-container {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 16px;
}

.article-body {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.06);
  padding: 26px 26px 30px;
  color: var(--txt);
  font-size: clamp(16px, 0.35vw + 15px, 18px);
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
  hyphens: auto;
  overflow-wrap: break-word;
}

.article-body h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 2.2vw + 18px, 44px);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.article-body h2 {
  margin: 22px 0 10px;
  font-size: clamp(18px, 0.8vw + 16px, 24px);
  line-height: 1.25;
}

.article-body p {
  margin: 0 0 14px;
  color: var(--txt);
}

.article-body p.lead {
  font-size: clamp(17px, 0.45vw + 16px, 20px);
  color: #222;
}

.article-body a:not(.btn) {
  color: var(--purple);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.article-body ul,
.article-body ol {
  margin: 0 0 14px 22px;
  padding: 0;
}

.article-body li {
  margin: 0 0 8px;
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 18px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.04);
}

.card h2 {
  margin-top: 0;
}

.card-summary {
  background: linear-gradient(180deg, #fbfcff, #f6fbff);
}

.card-summary ul {
  margin-left: 20px;
}

.cta-block {
  margin-top: 18px;
  background: linear-gradient(135deg, #94569f, #81d100);
  color: #fff;
  border-radius: 14px;
  padding: 16px 18px;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.12);
  text-align: center;
}

.cta-block .btn {
  margin-top: 10px;
}

.portfolio-banner {
  display: block;
  margin-top: 16px;
  border-radius: 14px;
  padding: 16px 18px;
  background: linear-gradient(135deg, rgba(129, 209, 0, 0.18), rgba(148, 86, 159, 0.18));
  border: 1px solid var(--line);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
  text-decoration: none;
  color: var(--txt);
}

.portfolio-banner:hover {
  border-color: rgba(129, 209, 0, 0.35);
}

.portfolio-banner-title {
  font-weight: 800;
  font-size: 1.1em;
  margin: 0 0 6px;
}

.portfolio-banner-title span {
  color: var(--green);
}

.portfolio-banner-sub {
  margin: 0;
  color: var(--muted);
}

.portfolio-banner-cta {
  margin-top: 10px;
  color: var(--green);
  font-weight: 800;
}

@media (max-width: 768px) {
  .article-hero {
    padding: 96px 0 36px;
  }

  .article-body {
    padding: 18px 16px 22px;
  }

  .card {
    padding: 16px 14px;
  }

  .card-grid {
    gap: 14px;
  }
}