:root {
  --bg: #f4f7f5;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-strong: #ffffff;
  --border: rgba(17, 45, 40, 0.12);
  --border-strong: rgba(17, 45, 40, 0.16);
  --text: #112d28;
  --muted: #58706a;
  --muted-strong: #3b5751;
  --accent: #173f39;
  --accent-soft: #e5efec;
  --shadow: 0 30px 80px -42px rgba(15, 49, 43, 0.35);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --font-sans: "IBM Plex Sans Variable", "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-heading: "Geist Variable", "Geist", "Avenir Next", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, rgba(220, 232, 228, 0.8), transparent 38%),
    linear-gradient(180deg, #eff4f2 0%, var(--bg) 100%);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header,
.site-footer {
  padding: 20px 24px;
}

.site-header__inner,
.site-footer__inner,
.hero,
.section-shell,
.article-shell {
  width: min(1120px, calc(100vw - 32px));
  margin: 0 auto;
}

.site-header__inner,
.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 18px;
  background: linear-gradient(180deg, #23524b 0%, #153b35 100%);
  color: #fff;
  box-shadow: 0 18px 44px -30px rgba(21, 59, 53, 0.7);
  font-size: 1.55rem;
}

.brand-name,
.brand-tagline {
  display: block;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 700;
}

.brand-tagline,
.site-footer__copy {
  color: var(--muted);
  font-size: 0.9rem;
}

.site-nav,
.site-footer__links,
.hero__actions,
.article-meta,
.tag-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.site-nav a:not(.button),
.site-footer__links a {
  color: var(--muted-strong);
  font-size: 0.95rem;
}

.site-nav a.is-active {
  color: var(--accent);
  font-weight: 700;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.86rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--compact {
  padding: 0.74rem 1rem;
  font-size: 0.95rem;
}

.button--primary {
  background: var(--accent);
  color: #fff;
}

.button--secondary {
  background: rgba(255, 255, 255, 0.86);
  border-color: var(--border);
  color: var(--text);
}

.blog-page {
  padding-bottom: 56px;
}

.hero {
  display: grid;
  gap: 28px;
  padding: 28px 0 12px;
}

.hero--wide {
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  align-items: stretch;
}

.hero__content,
.feature-card,
.post-card,
.cta-band,
.article-shell,
.sidebar-card,
.inline-cta,
.related-card {
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero__content,
.cta-band {
  border-radius: 36px;
  padding: 34px;
}

.feature-card,
.post-card,
.related-card {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.feature-card {
  display: grid;
  grid-template-rows: 280px auto;
}

.feature-card__image,
.post-card__image,
.related-card__image,
.article-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-card__body,
.post-card__content,
.related-card__body {
  padding: 22px;
}

.feature-card__label,
.eyebrow,
.sidebar-card__eyebrow {
  margin: 0 0 10px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #67807a;
}

.hero__title,
.section-title,
.article-title,
.feature-card__body h2,
.post-card__title,
.related-card__body h3,
.inline-cta h2 {
  margin: 0;
  font-family: var(--font-heading);
  letter-spacing: -0.05em;
  line-height: 0.98;
}

.hero__title {
  max-width: 12ch;
  font-size: clamp(3rem, 5vw, 4.9rem);
}

.section-title {
  font-size: clamp(2rem, 3vw, 3rem);
}

.article-title {
  font-size: clamp(2.5rem, 4.5vw, 4.4rem);
}

.hero__summary,
.article-summary,
.section-copy,
.post-card__description,
.feature-card__body p,
.related-card__body p,
.sidebar-card__copy,
.inline-cta p {
  color: var(--muted-strong);
  font-size: 1.02rem;
}

.section-shell {
  padding: 24px 0;
}

.section-shell--compact {
  padding-top: 12px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
}

.section-heading--stacked {
  display: block;
}

.post-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.post-card__image-link {
  display: block;
  height: 210px;
}

.post-card__meta,
.article-meta,
.sidebar-list {
  color: #6a827d;
  font-size: 0.93rem;
}

.post-card__title {
  font-size: 1.7rem;
  margin-bottom: 12px;
}

.text-link {
  color: var(--accent);
  font-weight: 700;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.7rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 600;
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.article-shell {
  border-radius: 38px;
  padding: 34px;
}

.article-hero {
  margin-bottom: 24px;
}

.article-cover {
  aspect-ratio: 16 / 9;
  border-radius: 30px;
  margin-bottom: 28px;
  box-shadow: 0 22px 60px -38px rgba(21, 59, 53, 0.45);
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
  gap: 28px;
}

.article-sidebar {
  display: grid;
  align-content: start;
  gap: 16px;
}

.sidebar-card,
.inline-cta {
  border-radius: 24px;
  padding: 22px;
}

.sidebar-list {
  margin: 0;
  padding-left: 18px;
}

.article-content {
  min-width: 0;
}

.prose {
  font-size: 1.03rem;
  color: var(--text);
}

.prose > :first-child {
  margin-top: 0;
}

.prose h2,
.prose h3 {
  font-family: var(--font-heading);
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--text);
}

.prose h2 {
  margin: 2.3rem 0 0.9rem;
  font-size: 2rem;
}

.prose h3 {
  margin: 1.8rem 0 0.8rem;
  font-size: 1.4rem;
}

.prose p,
.prose ul,
.prose ol,
.prose blockquote,
.prose table {
  margin: 0 0 1rem;
}

.prose ul,
.prose ol {
  padding-left: 1.35rem;
}

.prose li + li {
  margin-top: 0.55rem;
}

.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1.2px;
  text-underline-offset: 2px;
}

.prose blockquote {
  margin-left: 0;
  padding: 1rem 1.1rem;
  border-left: 4px solid rgba(23, 63, 57, 0.3);
  background: rgba(229, 239, 236, 0.68);
  border-radius: 0 18px 18px 0;
  color: var(--muted-strong);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 18px;
  border-style: hidden;
  box-shadow: 0 0 0 1px var(--border-strong);
}

.prose th,
.prose td {
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.prose th {
  background: rgba(229, 239, 236, 0.72);
  font-weight: 700;
}

.inline-cta {
  margin-top: 28px;
}

.site-footer {
  padding-bottom: 44px;
}

.site-footer__title {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
}

@media (max-width: 980px) {
  .hero--wide,
  .article-layout,
  .post-grid,
  .related-grid,
  .cta-band {
    grid-template-columns: 1fr;
  }

  .post-grid,
  .related-grid {
    display: grid;
  }

  .section-heading,
  .site-header__inner,
  .site-footer__inner {
    display: grid;
    justify-content: stretch;
  }

  .site-nav {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .site-header,
  .site-footer {
    padding-inline: 16px;
  }

  .hero__content,
  .cta-band,
  .article-shell {
    padding: 24px;
  }

  .site-header__inner,
  .site-footer__inner,
  .hero,
  .section-shell,
  .article-shell {
    width: min(100vw - 24px, 1120px);
  }

  .hero__title {
    max-width: none;
  }
}