:root {
  --green-deep: #1f4d2b;
  --green-mid: #2f6b3c;
  --green-accent: #8ec641;
  --cream: #f7f4ec;
  --warm-grey: #6b6660;
  --ink: #1a1f1c;
  --white: #ffffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
}

h1,
h2,
h3,
h4,
h5 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav-wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  height: 64px;
  display: block;
}

.logo {
  text-decoration: none;
}

.logo-block {
  display: flex;
  align-items: center;
  gap: 18px;
}

.header-slogan {
  display: flex;
  flex-direction: column;
  padding-left: 14px;
  border-left: 1px solid rgba(0, 0, 0, 0.12);
  line-height: 1.2;
  white-space: nowrap;
}

.header-slogan .top {
  font-family: 'Fraunces', serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--green-deep);
  font-style: italic;
}

.header-slogan .bot {
  font-size: 9px;
  color: var(--warm-grey);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 3px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 25px;
  align-items: center;
}

nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
}

nav a:hover {
  color: var(--green-deep);
}

.cart-btn {
  background: var(--green-deep);
  color: var(--white);
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
}

article {
  padding-bottom: 80px;
}

.article-header {
  padding: 60px 32px 40px;
  background: var(--cream);
}

.container-narrow {
  max-width: 760px;
  margin: 0 auto;
}

.back-link {
  display: inline-block;
  color: var(--green-mid);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 32px;
}

.back-link:hover {
  color: var(--green-deep);
}

.cat-tag {
  display: inline-block;
  background: var(--green-deep);
  color: var(--white);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.article-header h1 {
  font-size: clamp(34px, 5vw, 56px);
  color: var(--ink);
  margin-bottom: 20px;
}

.meta {
  font-size: 13px;
  color: var(--warm-grey);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.article-hero {
  max-width: 1080px;
  margin: 0 auto 60px;
  padding: 0 32px;
}

.article-hero img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: 8px;
}

.article-body {
  padding: 0 32px;
}

.article-body h2 {
  font-size: clamp(26px, 3vw, 32px);
  margin: 56px 0 20px;
  color: var(--ink);
}

.article-body p {
  font-size: 17px;
  margin-bottom: 20px;
  color: #2c322e;
}

.article-body p strong {
  color: var(--ink);
  font-weight: 600;
}

.article-body a {
  color: var(--green-mid);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.article-body a:hover {
  color: var(--green-deep);
}

.callout {
  background: var(--cream);
  border-left: 4px solid var(--green-accent);
  padding: 24px 28px;
  margin: 40px 0;
  font-size: 16px;
  border-radius: 0 8px 8px 0;
}

.callout strong {
  color: var(--green-deep);
}

.cta-box {
  background: var(--green-deep);
  color: var(--white);
  padding: 40px;
  border-radius: 12px;
  margin: 56px 0;
  text-align: center;
}

.cta-box h3 {
  color: var(--white);
  font-size: 28px;
  margin-bottom: 12px;
}

.cta-box p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  margin-bottom: 24px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.btn-primary {
  display: inline-block;
  background: var(--green-accent);
  color: var(--green-deep);
  padding: 16px 32px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.sources {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.sources h4 {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--warm-grey);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.sources ul {
  list-style: none;
}

.sources li {
  font-size: 14px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.sources a {
  color: var(--green-mid);
  text-decoration: none;
}

.sources a:hover {
  text-decoration: underline;
}

.related {
  margin-top: 64px;
}

.related h4 {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--warm-grey);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.related-card {
  background: var(--cream);
  padding: 24px;
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s;
}

.related-card:hover {
  transform: translateY(-2px);
}

.cat-mini {
  font-size: 11px;
  color: var(--green-mid);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 8px;
}

.related-card h5 {
  font-size: 17px;
  line-height: 1.3;
  color: var(--ink);
}

footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 32px 30px;
}

.foot-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.foot-grid h4 {
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: 'Inter', sans-serif;
}

.foot-grid ul {
  list-style: none;
}

.foot-grid li {
  margin-bottom: 10px;
  font-size: 14px;
}

.foot-grid a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
}

.foot-logo {
  display: inline-block;
  margin-bottom: 20px;
}

.foot-logo img {
  height: 56px;
  display: block;
}

.foot-grid .tagline {
  font-size: 14px;
  line-height: 1.6;
  max-width: 320px;
}

.copy {
  max-width: 1280px;
  margin: 30px auto 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 900px) {
  nav ul {
    display: none;
  }

  .header-slogan {
    display: none;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .foot-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .article-hero img {
    height: 280px;
  }

  .article-header {
    padding: 40px 24px 30px;
  }

  .article-body {
    padding: 0 24px;
  }

  .cta-box {
    padding: 28px 24px;
  }
}

@media (max-width: 640px) {
  .foot-grid {
    grid-template-columns: 1fr;
  }
}