:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --ink: #101419;
  --muted: #5d6472;
  --surface: #ffffff;
  --line: #dce3ec;
  --teal: #0f8b8d;
  --teal-dark: #0b5960;
  --blue: #2457f5;
  --violet: #6d5dfc;
  --gold: #ad681a;
  --soft: #eef6f7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 2;
}

.brand {
  color: var(--ink);
  font-size: 1.18rem;
  font-weight: 700;
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.index-hero,
.article-hero {
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(115deg, rgba(36, 87, 245, 0.1), rgba(15, 139, 141, 0.1), rgba(109, 93, 252, 0.08)),
    var(--surface);
}

.index-hero > div,
.article-hero__inner {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(44px, 8vw, 92px) 0;
}

.index-hero h1,
.article-hero h1 {
  margin: 0;
  max-width: 920px;
  font-size: clamp(2.3rem, 7vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.index-hero p:not(.kicker),
.subtitle {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  margin: 22px 0 0;
}

.kicker {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.search-box {
  max-width: 760px;
  margin-top: 28px;
}

.search-box input,
.newsletter-box input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  padding: 13px 14px;
}

.featured-section,
.category-section,
.content-band {
  width: min(1120px, calc(100% - 36px));
  margin: 42px auto 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
}

.section-heading h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  line-height: 1.12;
}

.featured-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 18px;
}

.featured-grid .post-card--large {
  grid-row: span 2;
  min-height: 420px;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
}

.category-card {
  display: grid;
  gap: 8px;
  min-height: 112px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  text-decoration: none;
}

.category-card span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.category-card strong {
  font-size: 1.08rem;
}

.content-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: start;
  margin-bottom: 84px;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.post-card {
  display: block;
  min-height: 260px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  text-decoration: none;
  transition: border-color 160ms ease, transform 160ms ease;
}

.post-card:hover {
  border-color: rgba(15, 118, 110, 0.45);
  transform: translateY(-2px);
}

.post-card span {
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.post-card h2 {
  margin: 16px 0 12px;
  font-size: 1.7rem;
  line-height: 1.15;
  letter-spacing: 0;
}

.post-card p {
  margin: 0;
  color: var(--muted);
}

.home-sidebar {
  display: grid;
  gap: 18px;
  position: sticky;
  top: 88px;
}

.newsletter-box,
.author-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 22px;
}

.newsletter-box h2,
.author-box h2 {
  margin: 0;
  font-size: 1.35rem;
}

.newsletter-box p,
.author-box p {
  color: var(--muted);
}

.newsletter-box .fine-print {
  margin: 2px 0 0;
  font-size: 0.82rem;
}

.newsletter-box form {
  display: grid;
  gap: 10px;
}

.newsletter-box button {
  border: 0;
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  padding: 11px 14px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.tag-row span {
  border: 1px solid rgba(15, 118, 110, 0.25);
  border-radius: 999px;
  color: var(--teal-dark);
  background: rgba(255, 255, 255, 0.72);
  padding: 6px 10px;
  font-size: 0.82rem;
  font-weight: 700;
}

.article-shell {
  width: min(1120px, calc(100% - 36px));
  margin: 48px auto 88px;
  display: grid;
  grid-template-columns: 280px minmax(0, 760px);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.takeaways {
  position: sticky;
  top: 88px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.takeaways h2 {
  margin: 0 0 14px;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0;
}

.takeaways ul {
  margin: 0;
  padding-left: 18px;
}

.takeaways li {
  margin: 10px 0;
  color: var(--muted);
}

.article-content {
  min-width: 0;
  font-size: 1.05rem;
}

.article-content h1 {
  display: none;
}

.article-content h2 {
  margin: 42px 0 12px;
  font-size: clamp(1.65rem, 4vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: 0;
}

.article-content h3 {
  margin: 30px 0 8px;
  font-size: 1.13rem;
  line-height: 1.25;
  letter-spacing: 0;
}

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

.article-content ul,
.article-content ol {
  padding-left: 24px;
}

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

.article-content blockquote {
  margin: 28px 0;
  padding: 18px 22px;
  border-left: 4px solid var(--teal);
  background: var(--soft);
  color: var(--teal-dark);
}

.article-content hr {
  margin: 40px 0 24px;
  border: 0;
  border-top: 1px solid var(--line);
}

.article-content strong {
  color: var(--teal-dark);
}

.revenue-cta {
  margin: 46px 0 0;
  padding: 24px;
  border: 1px solid rgba(15, 118, 110, 0.24);
  border-radius: 8px;
  background: #f4faf8;
}

.revenue-cta h2 {
  margin-top: 0;
}

.revenue-cta__eyebrow {
  margin: 0 0 8px;
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.revenue-cta__button {
  display: inline-block;
  margin-top: 8px;
  border-radius: 7px;
  background: var(--teal);
  color: #fff;
  font-weight: 800;
  padding: 10px 14px;
  text-decoration: none;
}

.revenue-cta__disclosure {
  color: var(--muted);
  font-size: 0.88rem;
}

.related-posts {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.related-grid .post-card {
  min-height: 220px;
}

.legal-page {
  width: min(820px, calc(100% - 36px));
  margin: 56px auto 88px;
  padding: 0;
}

.legal-page h1 {
  margin: 0 0 24px;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.05;
}

.legal-page p {
  color: var(--muted);
  font-size: 1.05rem;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
}

.site-footer a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .site-header span {
    text-align: left;
  }

  .site-nav {
    gap: 10px;
  }

  .featured-grid,
  .content-band {
    grid-template-columns: 1fr;
  }

  .home-sidebar {
    position: static;
  }

  .article-shell {
    grid-template-columns: 1fr;
  }

  .takeaways {
    position: static;
  }
}