/* Blog stylesheet, matches Core Biogenesis visual identity.
   Loaded after colors_and_type.css so it can reference the brand tokens. */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-ink);
  color: var(--color-cream);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection { background: var(--color-sage); color: var(--color-ink); }

a { color: var(--color-sage); text-decoration: none; }
a:hover { color: var(--color-cream); }

/* ─── Site chrome (matches the main site's header / footer) ─── */
.bl-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  background: rgb(14 31 24 / 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgb(251 250 247 / 0.08);
}
.bl-header__logo { display: flex; align-items: center; text-decoration: none; }
.bl-header__logo img { height: 38px; width: auto; display: block; }
.bl-header__nav { display: flex; gap: 32px; align-items: center; }
.bl-header__nav a {
  color: rgb(251 250 247 / 0.78);
  font: 500 13px/1 var(--font-sans);
  letter-spacing: 0.01em;
  transition: color 200ms var(--ease-out);
}
.bl-header__nav a:hover,
.bl-header__nav a[aria-current="page"] { color: var(--color-cream); }
.bl-header__cta {
  background: var(--color-sage);
  color: var(--color-ink) !important;
  padding: 10px 20px;
  border-radius: 999px;
  font: 500 13px/1 var(--font-sans);
  transition: transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
}
.bl-header__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgb(123 174 127 / 0.35);
  color: var(--color-ink) !important;
}
@media (max-width: 820px) {
  .bl-header { padding: 0 16px; }
  .bl-header__nav, .bl-header__cta { display: none; }
  .bl-header__burger { display: inline-block; }
}

/* ─── Mobile hamburger menu (blog static pages) ─── */
.bl-header__burger {
  display: none;
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  position: relative;
  cursor: pointer;
  padding: 0;
  z-index: 2;
}
.bl-header__burger span {
  position: absolute;
  left: 9px;
  right: 9px;
  height: 1.5px;
  background: var(--color-cream);
  border-radius: 1px;
  transition: transform 280ms var(--ease-out), opacity 200ms var(--ease-out), top 280ms var(--ease-out);
}
.bl-header__burger span:nth-child(1) { top: 14px; }
.bl-header__burger span:nth-child(2) { top: 19.5px; }
.bl-header__burger span:nth-child(3) { top: 25px; }
.bl-header__burger[aria-expanded="true"] span:nth-child(1) { top: 19.5px; transform: rotate(45deg); }
.bl-header__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.bl-header__burger[aria-expanded="true"] span:nth-child(3) { top: 19.5px; transform: rotate(-45deg); }

.bl-mobile-menu {
  position: fixed;
  top: 72px;
  left: 0; right: 0; bottom: 0;
  z-index: 49;
  background: rgb(10 22 18 / 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms var(--ease-out);
  overflow-y: auto;
}
.bl-mobile-menu[data-open="true"] {
  opacity: 1;
  pointer-events: auto;
}
.bl-mobile-menu nav {
  max-width: 480px;
  margin: 0 auto;
  padding: 56px 32px 80px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.bl-mobile-menu a {
  display: block;
  padding: 18px 0;
  font: 500 28px/1.2 var(--font-sans);
  letter-spacing: -0.015em;
  color: var(--color-cream);
  text-decoration: none;
  border-bottom: 1px solid rgb(251 250 247 / 0.10);
}
.bl-mobile-menu a:hover { color: var(--color-sage); }
.bl-mobile-menu .bl-mobile-menu__cta {
  margin-top: 24px;
  align-self: flex-start;
  background: var(--color-sage);
  color: var(--color-ink);
  padding: 16px 28px;
  border-radius: 999px;
  font: 500 16px/1 var(--font-sans);
  border-bottom: none;
}
.bl-mobile-menu .bl-mobile-menu__cta:hover { color: var(--color-ink); background: var(--color-cream); }

.bl-footer {
  background: var(--color-ink);
  border-top: 1px solid rgb(251 250 247 / 0.10);
  padding: 64px 32px 32px;
  margin-top: 96px;
}
.bl-footer__inner { max-width: 1280px; margin: 0 auto; }
.bl-footer__top {
  display: flex; justify-content: space-between; align-items: center;
  gap: 32px; flex-wrap: wrap;
  padding-bottom: 32px;
  border-bottom: 1px solid rgb(251 250 247 / 0.10);
}
.bl-footer__brand { display: flex; align-items: center; gap: 24px; }
.bl-footer__brand img { height: 48px; width: auto; display: block; }
.bl-footer__nav { display: flex; gap: 32px; flex-wrap: wrap; }
.bl-footer__nav a {
  color: rgb(251 250 247 / 0.78);
  font: 500 14px/1 var(--font-sans);
}
.bl-footer__legal {
  margin-top: 24px;
  font: 400 12px/1.4 var(--font-mono);
  color: rgb(251 250 247 / 0.45);
  letter-spacing: 0.04em;
}

/* ─── Page layout ─── */
.bl-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.bl-main { flex: 1; }
.bl-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.bl-container--narrow { max-width: 760px; }

/* ─── Eyebrow / page heading ─── */
.bl-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-seed);
  margin-bottom: 24px;
}
.bl-eyebrow::before {
  content: "";
  width: 6px; height: 6px; border-radius: 999px; background: currentColor;
}

/* ─── Index page hero ─── */
.bl-index__hero {
  padding: clamp(80px, 12vw, 140px) 0 64px;
}
.bl-index__hero h1 {
  margin: 0;
  font: 600 clamp(40px, 6vw, 76px)/1.05 var(--font-sans);
  letter-spacing: -0.025em;
  color: var(--color-cream);
  max-width: 980px;
  text-wrap: balance;
}
.bl-index__hero h1 em {
  font-style: italic;
  font-weight: 500;
  color: var(--color-sage);
}
.bl-index__hero p {
  margin: 28px 0 0;
  font: 400 clamp(16px, 1.5vw, 19px)/1.6 var(--font-sans);
  color: rgb(251 250 247 / 0.72);
  max-width: 720px;
}

/* ─── Article cards (grid) ─── */
.bl-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  padding: 32px 0 96px;
}
@media (max-width: 720px) {
  .bl-grid { grid-template-columns: 1fr; }
}
.bl-card {
  display: flex;
  flex-direction: column;
  padding: 32px 28px;
  border: 1px solid rgb(251 250 247 / 0.10);
  border-radius: 14px;
  background: rgb(251 250 247 / 0.02);
  color: var(--color-cream);
  text-decoration: none;
  transition: border-color 250ms var(--ease-out), box-shadow 250ms var(--ease-out), transform 250ms var(--ease-out);
}
.bl-card:hover {
  border-color: rgb(123 174 127 / 0.45);
  box-shadow: 0 0 40px rgb(123 174 127 / 0.14);
  transform: translateY(-2px);
  color: var(--color-cream);
}
.bl-card__meta {
  display: flex; align-items: center; gap: 14px;
  font: 500 10px/1 var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.bl-card__cat { color: var(--color-seed); }
.bl-card__date { color: rgb(251 250 247 / 0.45); position: relative; padding-left: 14px; }
.bl-card__date::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 1px; height: 10px; background: rgb(201 169 97 / 0.4);
}
.bl-card h2 {
  margin: 0 0 14px;
  font: 500 clamp(22px, 2.4vw, 28px)/1.2 var(--font-sans);
  letter-spacing: -0.018em;
  color: var(--color-cream);
  text-wrap: balance;
}
.bl-card p {
  margin: 0 0 24px;
  font: 400 14px/1.55 var(--font-sans);
  color: rgb(251 250 247 / 0.68);
  flex: 1;
}
.bl-card__link {
  font: 500 13px/1 var(--font-sans);
  color: var(--color-sage);
  align-self: flex-start;
}

/* ─── Article page ─── */
.bl-article {
  padding: clamp(72px, 10vw, 120px) 0 48px;
}
.bl-article__breadcrumb {
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgb(251 250 247 / 0.45);
  margin-bottom: 24px;
}
.bl-article__breadcrumb a { color: var(--color-seed); }
.bl-article header h1 {
  margin: 0 0 24px;
  font: 600 clamp(34px, 5vw, 56px)/1.1 var(--font-sans);
  letter-spacing: -0.025em;
  color: var(--color-cream);
  text-wrap: balance;
}
.bl-article header h1 em {
  font-style: italic; font-weight: 500; color: var(--color-sage);
}
.bl-article__meta {
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: rgb(251 250 247 / 0.55);
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgb(251 250 247 / 0.10);
}
.bl-article__meta span { display: inline-flex; align-items: center; gap: 14px; }
.bl-article__meta span + span { padding-left: 14px; border-left: 1px solid rgb(251 250 247 / 0.12); }
.bl-article__meta strong { color: var(--color-cream); font-weight: 500; }

/* The 40–60 word answer block */
.bl-direct-answer {
  padding: 28px 28px;
  border-left: 3px solid var(--color-sage);
  background: rgb(123 174 127 / 0.06);
  border-radius: 0 12px 12px 0;
  margin-bottom: 48px;
}
.bl-direct-answer p {
  margin: 0;
  font: 400 italic clamp(17px, 1.6vw, 20px)/1.55 var(--font-sans);
  color: var(--color-cream);
  letter-spacing: -0.005em;
}

/* Body content typography */
.bl-content h2 {
  margin: 56px 0 16px;
  font: 500 clamp(24px, 2.6vw, 32px)/1.25 var(--font-sans);
  letter-spacing: -0.018em;
  color: var(--color-cream);
  text-wrap: balance;
}
.bl-content h2 a.bl-anchor {
  color: rgb(123 174 127 / 0.4);
  font-weight: 400;
  margin-left: 8px;
  opacity: 0;
  transition: opacity 200ms var(--ease-out);
}
.bl-content h2:hover a.bl-anchor { opacity: 1; }
.bl-content h3 {
  margin: 36px 0 12px;
  font: 500 18px/1.35 var(--font-sans);
  color: var(--color-cream);
  letter-spacing: -0.01em;
}
.bl-content p {
  margin: 0 0 18px;
  font: 400 16px/1.7 var(--font-sans);
  color: rgb(251 250 247 / 0.82);
}
.bl-content ul, .bl-content ol {
  margin: 0 0 24px;
  padding-left: 20px;
}
.bl-content li {
  font: 400 16px/1.7 var(--font-sans);
  color: rgb(251 250 247 / 0.82);
  margin-bottom: 8px;
}
.bl-content li::marker { color: var(--color-sage); }
.bl-content strong { color: var(--color-cream); font-weight: 600; }
.bl-content em { color: rgb(251 250 247 / 0.92); }
.bl-content a {
  color: var(--color-sage);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: rgb(123 174 127 / 0.5);
}
.bl-content a:hover { color: var(--color-cream); text-decoration-color: var(--color-cream); }

/* Tables */
.bl-table-wrap { overflow-x: auto; margin: 24px 0 32px; }
.bl-table {
  width: 100%;
  border-collapse: collapse;
  font: 400 14px/1.55 var(--font-sans);
  color: rgb(251 250 247 / 0.82);
  min-width: 480px;
}
.bl-table thead th {
  text-align: left;
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--color-seed);
  padding: 14px 16px;
  border-bottom: 1px solid rgb(123 174 127 / 0.32);
  background: rgb(123 174 127 / 0.04);
}
.bl-table tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid rgb(251 250 247 / 0.08);
  vertical-align: top;
}
.bl-table tbody tr:hover td { background: rgb(123 174 127 / 0.04); }
.bl-table td:first-child { color: var(--color-cream); font-weight: 500; }

/* Best for / Not ideal for cards */
.bl-fit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 28px 0 36px;
}
@media (max-width: 640px) { .bl-fit-grid { grid-template-columns: 1fr; } }
.bl-fit-card {
  padding: 24px;
  border-radius: 12px;
  border: 1px solid rgb(251 250 247 / 0.10);
  background: rgb(251 250 247 / 0.02);
}
.bl-fit-card--good { border-color: rgb(123 174 127 / 0.4); background: rgb(123 174 127 / 0.06); }
.bl-fit-card--bad  { border-color: rgb(201 169 97 / 0.4);  background: rgb(201 169 97 / 0.04); }
.bl-fit-card__title {
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.bl-fit-card--good .bl-fit-card__title { color: var(--color-sage); }
.bl-fit-card--bad  .bl-fit-card__title { color: var(--color-seed); }
.bl-fit-card ul { padding-left: 18px; margin: 0; }
.bl-fit-card li {
  font: 400 14px/1.6 var(--font-sans);
  color: rgb(251 250 247 / 0.78);
  margin-bottom: 6px;
}

/* FAQ, semantic <details>. */
.bl-faq {
  margin: 24px 0 32px;
  border-top: 1px solid rgb(251 250 247 / 0.10);
}
.bl-faq details {
  border-bottom: 1px solid rgb(251 250 247 / 0.10);
  padding: 18px 0;
}
.bl-faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font: 500 16px/1.4 var(--font-sans);
  color: var(--color-cream);
  letter-spacing: -0.005em;
}
.bl-faq summary::-webkit-details-marker { display: none; }
.bl-faq summary::after {
  content: "+";
  color: var(--color-sage);
  font: 400 22px/1 var(--font-mono);
  transition: transform 200ms var(--ease-out);
}
.bl-faq details[open] summary::after { content: "−"; }
.bl-faq details p {
  margin: 12px 0 0;
  font: 400 15px/1.7 var(--font-sans);
  color: rgb(251 250 247 / 0.78);
}

/* CTA card */
.bl-cta {
  margin: 64px 0 0;
  padding: 48px 40px;
  border: 1px solid rgb(123 174 127 / 0.32);
  border-radius: 16px;
  background: linear-gradient(180deg, rgb(123 174 127 / 0.06) 0%, rgb(251 250 247 / 0.015) 100%);
  text-align: center;
}
.bl-cta h3 {
  margin: 0 0 12px;
  font: 500 clamp(22px, 2.6vw, 30px)/1.25 var(--font-sans);
  letter-spacing: -0.015em;
  color: var(--color-cream);
}
.bl-cta p {
  margin: 0 0 28px;
  font: 400 15px/1.6 var(--font-sans);
  color: rgb(251 250 247 / 0.72);
  max-width: 540px;
  margin-left: auto; margin-right: auto;
}
.bl-cta__row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.bl-button {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 24px;
  border-radius: 999px;
  font: 500 14px/1 var(--font-sans);
  text-decoration: none;
  transition: transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
}
.bl-button--primary {
  background: var(--color-sage);
  color: var(--color-ink) !important;
}
.bl-button--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgb(123 174 127 / 0.38);
  color: var(--color-ink) !important;
}
.bl-button--ghost {
  background: transparent;
  color: var(--color-cream) !important;
  border: 1px solid rgb(251 250 247 / 0.18);
}
.bl-button--ghost:hover {
  border-color: var(--color-sage);
  color: var(--color-cream) !important;
}

/* Related articles */
.bl-related { margin-top: 64px; }
.bl-related h3 {
  font: 500 12px/1 var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-seed);
  margin: 0 0 20px;
}
.bl-related ul {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 14px;
  grid-template-columns: 1fr 1fr;
}
@media (max-width: 640px) { .bl-related ul { grid-template-columns: 1fr; } }
.bl-related a {
  display: block;
  padding: 18px 20px;
  border: 1px solid rgb(251 250 247 / 0.10);
  border-radius: 10px;
  color: var(--color-cream);
  text-decoration: none;
  transition: border-color 200ms var(--ease-out);
}
.bl-related a:hover { border-color: rgb(123 174 127 / 0.45); }
.bl-related a strong {
  display: block;
  font: 500 15px/1.3 var(--font-sans);
  margin-bottom: 6px;
}
.bl-related a span {
  font: 400 13px/1.5 var(--font-sans);
  color: rgb(251 250 247 / 0.62);
}