:root {
  --core-teal-900: #04342C;
  --core-teal-800: #085041;
  --core-teal-600: #0F6E56;
  --core-green-600: #3B6D11;
  --core-green-400: #639922;
  --core-green-200: #1D9E75;
  --bg-dark: #FFFFFF;
  --bg-dark-2: #F5F6F5;
  --bg-card: #FAFBFA;
  --text-primary: #0A0A0A;
  --text-secondary: #4A4A4A;
  --text-muted: #7A7A7A;
  --border-soft: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.18);
  --gradient-core: linear-gradient(135deg, #085041 0%, #1D9E75 50%, #97C459 100%);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.section-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--core-green-200);
  margin-bottom: 16px;
  display: block;
}

.section-heading {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 18px;
}

.section-sub {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 48px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background: var(--gradient-core);
  color: #04140F;
}

.btn-primary:hover {
  transform: translateY(-2px);
}

.btn-outline {
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 13px;
}

@media (max-width: 720px) {
  .container {
    padding: 0 20px;
  }
}