/* =====================================================
   PNBIOTICS — ARTICLE PAGE
===================================================== */

.article-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(68px, 8vw, 118px) 0 clamp(52px, 6vw, 88px);
  background:
    radial-gradient(circle at 84% 24%, rgba(111, 199, 232, 0.12), transparent 30%),
    radial-gradient(circle at 10% 85%, rgba(89, 189, 169, 0.10), transparent 28%),
    linear-gradient(135deg, #f7fbfa, #ffffff);
}
.article-hero::after {
  content: "";
  position: absolute;
  top: -260px;
  right: -160px;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(21, 50, 55, 0.05);
  border-radius: 50%;
}
.article-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 32px;
  color: #81918e;
  font-size: 0.75rem;
}
.article-breadcrumb a { color: inherit; text-decoration: none; }
.article-breadcrumb a:hover { color: #3bb6a6; }
.article-breadcrumb strong { color: #153237; font-weight: 750; }
.article-hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.48fr);
  align-items: center;
  gap: clamp(40px, 6vw, 90px);
}
.article-hero-copy { max-width: 880px; }
.article-hero-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}
.article-hero-meta span {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(59, 182, 166, 0.10);
  color: #197f74;
  font-size: 0.69rem;
  font-weight: 780;
}
.article-hero-copy h1 {
  margin: 0 0 18px;
  color: #153237;
  font-family: Manrope, sans-serif;
  font-size: clamp(3rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.06em;
}
.article-lead {
  max-width: 720px;
  margin: 0;
  color: #667a7d;
  font-size: 1.04rem;
  line-height: 1.8;
}
.article-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 24px;
}
.article-tag-row span {
  display: inline-flex;
  padding: 8px 12px;
  border: 1px solid rgba(21, 50, 55, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  color: #153237;
  font-size: 0.72rem;
  font-weight: 700;
}
.article-hero-visual {
  position: relative;
  display: grid;
  min-height: 360px;
  place-items: center;
}
.article-hero-glow {
  position: absolute;
  width: 310px;
  height: 310px;
  border-radius: 50%;
  background: radial-gradient(circle, #ffffff 0%, #eaf8f4 64%, transparent 74%);
}
.article-hero-visual img {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  max-width: 420px;
  max-height: 360px;
  object-fit: contain;
  filter: drop-shadow(0 24px 34px rgba(21, 50, 55, 0.14));
}
.article-body-section { background: #ffffff; }
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 42px;
  align-items: start;
}
.article-takeaways {
  margin-bottom: 28px;
  padding: 30px;
  border: 1px solid rgba(21, 50, 55, 0.08);
  border-radius: 28px;
  background: linear-gradient(135deg, #edf8f5, #ffffff);
}
.article-takeaways ul,
.article-bullets {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.article-takeaways li,
.article-bullets li {
  position: relative;
  margin: 0;
  padding: 0 0 0 24px;
  color: #516866;
  line-height: 1.8;
}
.article-takeaways li + li,
.article-bullets li + li { margin-top: 10px; }
.article-takeaways li::before,
.article-bullets li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #3bb6a6;
  font-weight: 800;
}
.article-content-block {
  padding: 30px 0;
  border-top: 1px solid rgba(21, 50, 55, 0.08);
}
.article-content-block:first-of-type { border-top: 0; }
.article-content-block h2 {
  margin: 0 0 16px;
  color: #153237;
  font-family: Manrope, sans-serif;
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.045em;
}
.article-content-block p {
  max-width: 760px;
  margin: 0;
  color: #667a7d;
  line-height: 1.85;
}
.article-content-block p + p { margin-top: 16px; }
.article-sidebar {
  position: sticky;
  top: 110px;
  display: grid;
  gap: 18px;
}
.article-sidebar-card {
  padding: 28px;
  border: 1px solid rgba(21, 50, 55, 0.08);
  border-radius: 26px;
  background: #ffffff;
  box-shadow: 0 18px 40px rgba(21, 50, 55, 0.05);
}
.article-sidebar-card h3 {
  margin: 12px 0 10px;
  color: #153237;
  font-family: Manrope, sans-serif;
  font-size: 1.6rem;
  font-weight: 750;
  line-height: 1.05;
}
.article-sidebar-card p {
  margin: 0;
  color: #667a7d;
  line-height: 1.7;
}
.article-side-meta {
  display: grid;
  gap: 18px;
  margin-top: 10px;
}
.article-side-meta small {
  display: block;
  margin-bottom: 4px;
  color: #81918e;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.11em;
}
.article-side-meta strong {
  color: #153237;
  font-size: 1rem;
}
.article-side-link {
  display: inline-flex;
  margin-top: 18px;
  color: #153237;
  font-size: 0.84rem;
  font-weight: 800;
  text-decoration: none;
}
.article-side-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
}
.article-side-actions .button {
  width: 100%;
  justify-content: center;
}
.article-related-section { background: #f7faf9; }
.article-related-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 28px;
}
.article-related-head h2 {
  margin: 12px 0 0;
  color: #153237;
  font-family: Manrope, sans-serif;
  font-size: clamp(2.4rem, 4vw, 4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
}
.article-related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.article-related-card {
  padding: 28px;
  border: 1px solid rgba(21, 50, 55, 0.08);
  border-radius: 26px;
  background: #ffffff;
  box-shadow: 0 14px 34px rgba(21, 50, 55, 0.05);
}
.article-related-card h3 {
  margin: 0;
  color: #153237;
  font-family: Manrope, sans-serif;
  font-size: 1.5rem;
  font-weight: 750;
  line-height: 1.15;
  letter-spacing: -0.025em;
}
.article-error-section {
  padding-top: 80px;
  padding-bottom: 100px;
}
.article-error-card {
  max-width: 760px;
  margin: 0 auto;
  padding: 42px;
  border: 1px solid rgba(21, 50, 55, 0.08);
  border-radius: 28px;
  background: #ffffff;
  text-align: center;
}
.article-error-card h1 {
  margin: 14px 0 12px;
  color: #153237;
  font-family: Manrope, sans-serif;
  font-size: clamp(2.4rem, 4vw, 4rem);
  font-weight: 800;
  line-height: 1;
}
.article-error-card p {
  margin: 0;
  color: #667a7d;
  line-height: 1.7;
}
@media (max-width: 1100px) {
  .article-hero-grid,
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .article-related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .article-hero-copy h1 { font-size: 2.8rem; }
  .article-related-head { align-items: flex-start; flex-direction: column; }
  .article-related-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .article-hero { padding-top: 58px; }
  .article-hero-visual { min-height: 280px; }
  .article-hero-visual img { max-height: 260px; }
  .article-takeaways,
  .article-sidebar-card,
  .article-related-card { padding: 22px; }
}