:root {
  --brand: #106b36;
  --brand-deep: #073f22;
  --brand-dark: #031d10;
  --brand-pale: #edf6f0;
  --canvas: #f7faf7;
  --paper: #ffffff;
  --ink: #10251a;
  --muted: #5b6e63;
  --line: #dce7df;
  --display: "Be Vietnam Pro", Arial, sans-serif;
  --body: "Noto Sans", Arial, sans-serif;
  --container: min(1180px, calc(100vw - 48px));
  --reading: 760px;
  --shadow: 0 26px 70px rgba(7, 63, 34, 0.12);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

button {
  font: inherit;
}

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--display);
  letter-spacing: -0.04em;
}

:focus-visible {
  outline: 3px solid rgba(16, 107, 54, 0.28);
  outline-offset: 4px;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--brand-dark);
  color: white;
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.article-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid rgba(16, 107, 54, 0.09);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
}

.article-header-inner {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.article-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.article-brand img {
  width: 132px;
  height: auto;
  object-fit: contain;
}

.article-brand strong {
  color: var(--brand);
  font-family: var(--display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.article-brand span {
  max-width: 230px;
  padding-left: 14px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.45;
  text-transform: uppercase;
}

.article-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.article-nav a {
  color: #3e5347;
  font-family: var(--display);
  font-size: 13px;
  font-weight: 600;
}

.article-nav a:hover,
.article-nav a[aria-current="page"] {
  color: var(--brand);
}

.article-nav .article-nav-cta {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--brand);
  color: white;
}

.article-hero {
  padding: 84px 0 150px;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(16, 107, 54, 0.11), transparent 34%),
    var(--brand-pale);
}

.article-hero-inner {
  max-width: 980px;
}

.article-back {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 9px;
  margin-bottom: 48px;
  color: var(--brand);
  font-family: var(--display);
  font-size: 13px;
  font-weight: 600;
}

.article-back span {
  font-size: 18px;
  transition: transform 180ms ease;
}

.article-back:hover span {
  transform: translateX(-3px);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 22px;
  color: var(--brand);
  font-family: var(--display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.article-meta > :not(:first-child)::before {
  margin-right: 11px;
  color: #9fb4a6;
  content: "•";
}

.article-hero h1 {
  max-width: 940px;
  margin-bottom: 26px;
  font-size: clamp(42px, 5.6vw, 74px);
  font-weight: 600;
  line-height: 1.12;
}

.article-lead {
  max-width: 760px;
  margin-bottom: 0;
  color: #486054;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.7;
}

.article-cover-wrap {
  position: relative;
  z-index: 2;
  margin-top: -96px;
}

.article-cover {
  aspect-ratio: 16 / 9;
  margin: 0;
  border: 8px solid white;
  border-radius: 30px;
  overflow: hidden;
  background: #dceee3;
  box-shadow: var(--shadow);
}

.article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, var(--reading)) minmax(230px, 1fr);
  gap: clamp(54px, 8vw, 112px);
  align-items: start;
  padding-top: 88px;
  padding-bottom: 116px;
}

.article-prose {
  min-width: 0;
  color: #273e32;
  font-size: 18px;
  line-height: 1.9;
}

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

.article-prose p {
  margin-bottom: 26px;
}

.article-prose h2 {
  margin: 58px 0 22px;
  color: var(--ink);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 600;
  line-height: 1.32;
}

.article-prose h3 {
  margin: 42px 0 18px;
  color: var(--ink);
  font-size: 24px;
  font-weight: 600;
}

.article-prose ul,
.article-prose ol {
  padding-left: 24px;
  margin: 0 0 28px;
}

.article-prose li + li {
  margin-top: 10px;
}

.article-aside {
  position: sticky;
  top: 110px;
}

.article-aside-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--canvas);
}

.article-aside-label {
  margin-bottom: 10px;
  color: var(--brand);
  font-family: var(--display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-aside-card strong {
  display: block;
  margin-bottom: 12px;
  font-family: var(--display);
  font-size: 16px;
  line-height: 1.55;
}

.article-aside-card p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.copy-link-button {
  width: 100%;
  min-height: 48px;
  margin-top: 14px;
  border: 1px solid #bcd3c4;
  border-radius: 999px;
  background: white;
  color: var(--brand-deep);
  font-family: var(--display);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition:
    border-color 180ms ease,
    background-color 180ms ease;
}

.copy-link-button:hover {
  border-color: var(--brand);
  background: var(--brand-pale);
}

.copy-status {
  min-height: 24px;
  margin: 9px 0 0;
  color: var(--brand);
  font-size: 12px;
  text-align: center;
}

.related-section {
  padding: 96px 0 112px;
  background: var(--canvas);
}

.related-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 42px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--brand);
  font-family: var(--display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.related-heading h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 600;
}

.related-heading > a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 8px;
  color: var(--brand);
  font-family: var(--display);
  font-size: 13px;
  font-weight: 600;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.related-card {
  display: grid;
  padding: 14px 14px 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: white;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.related-card:hover {
  border-color: #b6d0be;
  box-shadow: 0 18px 42px rgba(7, 63, 34, 0.09);
}

.related-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  margin-bottom: 22px;
  border-radius: 16px;
  object-fit: cover;
}

.related-card > span,
.related-card h3 {
  margin-inline: 12px;
}

.related-card > span {
  margin-bottom: 8px;
  color: var(--brand);
  font-family: var(--display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.related-card h3 {
  margin-bottom: 0;
  font-size: 21px;
  font-weight: 600;
  line-height: 1.45;
}

.article-footer {
  padding: 68px 0 28px;
  background: var(--brand-dark);
  color: rgba(255, 255, 255, 0.72);
}

.article-footer-grid {
  display: grid;
  grid-template-columns: minmax(280px, 1.3fr) repeat(2, minmax(180px, 0.7fr));
  gap: clamp(38px, 7vw, 92px);
}

.article-footer-brand {
  display: block;
  width: min(148px, 100%);
  height: auto;
  margin-bottom: 13px;
  filter: none;
  object-fit: contain;
}

.article-footer-name {
  margin: 0;
  font-size: 13px;
}

.article-footer h2 {
  margin: 4px 0 18px;
  color: white;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.article-footer address {
  font-style: normal;
  font-size: 13px;
  line-height: 1.85;
}

.article-footer a {
  color: white;
}

.article-footer nav {
  display: grid;
  gap: 9px;
}

.article-footer nav a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.article-footer nav a:hover,
.article-footer address a:hover {
  color: #a8d7b8;
}

.article-footer-bottom {
  margin-top: 50px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 11px;
}

@media (max-width: 900px) {
  .article-nav a:not(.article-nav-cta) {
    display: none;
  }

  .article-layout {
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .article-aside {
    position: static;
    max-width: 520px;
  }

  .article-footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-footer-grid > :first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  :root {
    --container: min(100% - 28px, 580px);
  }

  .article-header-inner {
    min-height: 68px;
  }

  .article-brand img {
    width: 112px;
  }

  .article-brand span {
    display: none;
  }

  .article-nav-cta {
    min-height: 42px;
    padding-inline: 17px;
  }

  .article-hero {
    padding: 56px 0 110px;
  }

  .article-back {
    margin-bottom: 34px;
  }

  .article-hero h1 {
    font-size: clamp(35px, 10vw, 48px);
  }

  .article-cover-wrap {
    margin-top: -68px;
  }

  .article-cover {
    border-width: 5px;
    border-radius: 20px;
  }

  .article-layout {
    padding-top: 58px;
    padding-bottom: 80px;
  }

  .article-prose {
    font-size: 17px;
    line-height: 1.85;
  }

  .related-section {
    padding: 76px 0 82px;
  }

  .related-heading {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .article-footer-grid > :first-child {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}
