:root {
  --gbc-green: #1B4332;
  --gbc-slate: #2D3142;
  --gbc-white: #FFFFFF;
  --gbc-accent: #2ECC71;
  --gbc-bg: #f6f8f7;
  --gbc-text: #162117;
  --gbc-muted: #5d6a60;
  --gbc-border: rgba(27, 67, 50, 0.12);
  --gbc-shadow: 0 20px 60px rgba(14, 26, 21, 0.12);
  --gbc-radius: 24px;
  --gbc-radius-sm: 16px;
  --container: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--gbc-text);
  background: var(--gbc-white);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
.container { width: min(calc(100% - 32px), var(--container)); margin: 0 auto; }
.section { padding: 88px 0; }
.content-narrow { max-width: 860px; }
.center { text-align: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gbc-green);
  margin-bottom: 16px;
}
h1, h2, h3, h4 {
  font-family: 'Montserrat', sans-serif;
  line-height: 1.1;
  margin: 0 0 16px;
  color: var(--gbc-slate);
}
h1 { font-size: clamp(2.5rem, 6vw, 4.75rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: 1.35rem; }
p { margin: 0 0 16px; color: var(--gbc-muted); }
.button-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 999px;
  background: var(--gbc-green);
  color: var(--gbc-white);
  font-weight: 700;
  box-shadow: var(--gbc-shadow);
  transition: transform .25s ease, opacity .25s ease, background .25s ease;
}
.button:hover { transform: translateY(-2px); }
.button-outline {
  background: transparent;
  color: var(--gbc-green);
  border: 1px solid rgba(255,255,255,.35);
  box-shadow: none;
}
.button-light {
  border-color: rgba(255,255,255,.5);
  color: var(--gbc-white);
}
.button-small { padding: 12px 18px; font-size: .95rem; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.84);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .25s ease, border-color .25s ease;
}
.site-header.scrolled {
  box-shadow: 0 10px 30px rgba(19, 34, 25, .08);
  border-color: var(--gbc-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 82px;
}
.site-brand { display: flex; flex-direction: column; }
.brand-title { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 1.15rem; color: var(--gbc-green); }
.brand-tagline { font-size: .84rem; color: var(--gbc-muted); }
.primary-menu {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.primary-menu a { font-weight: 600; color: var(--gbc-slate); }
.menu-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 0;
  width: 42px;
  height: 42px;
}
.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gbc-slate);
  margin: 5px auto;
}
.hero-section {
  position: relative;
  overflow: hidden;
  padding: 110px 0 88px;
  background:
    linear-gradient(120deg, rgba(9, 30, 21, .85), rgba(17, 42, 29, .75)),
    radial-gradient(circle at top right, rgba(46, 204, 113, .18), transparent 30%),
    linear-gradient(135deg, #173726 0%, #2D3142 100%);
  color: var(--gbc-white);
}
.hero-section h1, .hero-section h2, .hero-section p, .hero-section li, .hero-section .eyebrow { color: var(--gbc-white); }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items: center;
}
.hero-copy p { max-width: 700px; font-size: 1.08rem; color: rgba(255,255,255,.84); }
.hero-visual { display: flex; justify-content: flex-end; }
.glass-card, .hero-card {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 28px;
  padding: 32px;
  box-shadow: 0 20px 60px rgba(0,0,0,.18);
  backdrop-filter: blur(16px);
}
.card-label {
  display: inline-flex;
  background: rgba(255,255,255,.14);
  border-radius: 999px;
  padding: 8px 12px;
  margin-bottom: 14px;
  font-size: .85rem;
}
.hero-card ul { padding-left: 18px; margin: 0; }
.trust-bar {
  background: #f0f5f2;
  border-top: 1px solid var(--gbc-border);
  border-bottom: 1px solid var(--gbc-border);
}
.trust-inner {
  display: flex;
  gap: 20px;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0;
}
.trust-inner p { margin: 0; font-weight: 600; color: var(--gbc-slate); }
.trust-logos { display: flex; flex-wrap: wrap; gap: 12px; }
.trust-logos span {
  display: inline-flex;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--gbc-white);
  border: 1px solid var(--gbc-border);
  font-weight: 700;
  color: var(--gbc-green);
}
.section-heading { max-width: 820px; margin: 0 auto 42px; }
.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 22px;
}
.eco-card {
  grid-column: span 4;
  background: var(--gbc-white);
  border: 1px solid var(--gbc-border);
  border-radius: var(--gbc-radius);
  padding: 28px;
  box-shadow: var(--gbc-shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.eco-card:hover,
.pillar-card:hover,
.stat-card:hover,
.article-card:hover { transform: translateY(-6px); }
.eco-card-featured { grid-column: span 6; background: linear-gradient(180deg, #ffffff, #f4fbf7); }
.eco-number { font-size: .85rem; font-weight: 800; color: var(--gbc-accent); letter-spacing: .1em; }
.eco-subtitle { font-weight: 700; color: var(--gbc-green); }
.eco-card a { color: var(--gbc-green); font-weight: 700; }
.muted-section { background: var(--gbc-bg); }
.two-col {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 28px;
  align-items: start;
}
.pillar-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.pillar-card, .benefit-card, .stat-card, .story-card, .article-card {
  background: var(--gbc-white);
  border: 1px solid var(--gbc-border);
  border-radius: var(--gbc-radius);
  box-shadow: var(--gbc-shadow);
}
.pillar-card { padding: 24px; }
.impact-copy-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 30px;
  align-items: center;
}
.benefit-card { padding: 28px; }
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.check-list li {
  padding-left: 32px;
  position: relative;
  color: var(--gbc-slate);
  font-weight: 600;
}
.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(46, 204, 113, .14);
  color: var(--gbc-green);
  display: grid;
  place-items: center;
  font-size: .9rem;
}
.dark-section { background: linear-gradient(180deg, #16261d 0%, #232838 100%); }
.dark-section h2, .dark-section .eyebrow, .dark-section span { color: var(--gbc-white); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat-card {
  padding: 30px 20px;
  text-align: center;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  color: var(--gbc-white);
  backdrop-filter: blur(12px);
}
.stat-card strong {
  display: block;
  font-size: clamp(2rem, 4vw, 3rem);
  font-family: 'Montserrat', sans-serif;
  margin-bottom: 8px;
}
.story-card {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 28px;
  padding: 32px;
}
.signature-line { font-weight: 800; color: var(--gbc-green); }
.cta-section { padding-top: 0; }
.cta-card {
  background: linear-gradient(135deg, #1B4332, #2D3142);
  border-radius: 28px;
  padding: 42px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}
.cta-card h2, .cta-card .eyebrow { color: var(--gbc-white); }
.site-footer {
  background: #101913;
  color: rgba(255,255,255,.82);
  padding: 72px 0 24px;
}
.site-footer h3 { color: var(--gbc-white); font-size: 1.1rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 24px;
}
.footer-links, .footer-contact { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-links a, .footer-contact a { color: rgba(255,255,255,.82); }
.footer-bottom {
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.12);
}
.article-card { padding: 36px; }
.entry-content > *:first-child { margin-top: 0; }
.post-meta { font-size: .95rem; color: var(--gbc-muted); }
.division-hero {
  background: linear-gradient(135deg, #eff7f1 0%, #ffffff 100%);
}
.division-hero-inner { align-items: center; }
.lead-text { font-size: 1.1rem; }
.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  width: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
}
@media (max-width: 1024px) {
  .hero-grid, .two-col, .impact-copy-grid, .story-card, .cta-card, .footer-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .ecosystem-grid { grid-template-columns: repeat(2, 1fr); }
  .eco-card, .eco-card-featured { grid-column: auto; }
}
@media (max-width: 820px) {
  .site-nav {
    position: fixed;
    top: 82px;
    left: 16px;
    right: 16px;
    background: rgba(255,255,255,.98);
    border: 1px solid var(--gbc-border);
    border-radius: 20px;
    box-shadow: var(--gbc-shadow);
    padding: 20px;
    display: none;
  }
  .site-nav.is-open { display: block; }
  .primary-menu { flex-direction: column; align-items: flex-start; }
  .menu-toggle { display: block; }
  .header-cta { display: none; }
  .pillar-list, .stats-grid, .footer-grid { grid-template-columns: 1fr; }
  .trust-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .hero-section { padding-top: 88px; }
  .ecosystem-grid, .pillar-list { grid-template-columns: 1fr; }
  .button-row { flex-direction: column; align-items: stretch; }
  .cta-card, .story-card, .article-card, .hero-card, .eco-card, .pillar-card { padding: 24px; }
}