:root {
  --green-900: #0d2818;
  --green-800: #14532d;
  --green-700: #166534;
  --green-600: #16a34a;
  --green-500: #22c55e;
  --green-100: #dcfce7;
  --green-50:  #f0fdf4;
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-400: #9ca3af;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --white: #ffffff;
  --font: 'Inter', system-ui, sans-serif;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.06);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--green-700); color: white;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 12px; letter-spacing: .5px;
}
.brand-name { font-weight: 600; font-size: 15px; color: var(--gray-900); }
.nav-links {
  display: flex; align-items: center; gap: 32px; list-style: none;
}
.nav-links a { text-decoration: none; font-size: 14px; color: var(--gray-700); font-weight: 500; }
.nav-links a:hover { color: var(--green-700); }
.nav-cta {
  background: var(--green-700); color: white !important; padding: 8px 18px;
  border-radius: 8px; font-weight: 600 !important;
}
.nav-cta:hover { background: var(--green-800) !important; }

/* Hero */
.hero {
  min-height: calc(100vh - 64px);
  background: linear-gradient(135deg, var(--green-50) 0%, var(--white) 60%);
  display: flex; align-items: center;
  padding: 80px 24px;
}
.hero { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; max-width: 1200px; margin: 0 auto; align-items: center; }
.hero-eyebrow { font-size: 12px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: var(--green-700); margin-bottom: 16px; }
.hero-title { font-size: clamp(32px, 5vw, 52px); font-weight: 700; line-height: 1.15; color: var(--gray-900); margin-bottom: 24px; }
.hero-subtitle { font-size: 18px; color: var(--gray-600); line-height: 1.7; margin-bottom: 40px; max-width: 480px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center;
  background: var(--green-700); color: white; padding: 14px 28px;
  border-radius: 10px; font-weight: 600; text-decoration: none; font-size: 15px;
  transition: background .15s;
}
.btn-primary:hover { background: var(--green-800); }
.btn-ghost {
  display: inline-flex; align-items: center;
  color: var(--gray-700); padding: 14px 28px;
  border-radius: 10px; font-weight: 600; text-decoration: none; font-size: 15px;
  border: 1.5px solid var(--gray-200);
  transition: border-color .15s, color .15s;
}
.btn-ghost:hover { border-color: var(--green-600); color: var(--green-700); }

.visual-card {
  background: white; border-radius: 16px; padding: 32px;
  box-shadow: 0 4px 32px rgba(22,101,52,.12), 0 1px 4px rgba(0,0,0,.06);
  border: 1px solid var(--green-100);
}
.metric-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 24px; }
.metric-row:last-child { margin-bottom: 0; }
.metric { background: var(--green-50); border-radius: 10px; padding: 20px; border: 1px solid var(--green-100); }
.metric-value { display: block; font-size: 20px; font-weight: 700; color: var(--green-700); margin-bottom: 4px; }
.metric-label { font-size: 12px; color: var(--gray-600); line-height: 1.4; }

/* Sections */
.section { padding: 96px 24px; }
.section-dark { background: var(--gray-900); }
.section-dark h2, .section-dark p, .section-dark .section-eyebrow { color: white; }
.section-dark .section-eyebrow { color: var(--green-500); }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-eyebrow { font-size: 12px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: var(--green-700); margin-bottom: 12px; }
.section-header h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 700; color: var(--gray-900); margin-bottom: 16px; }
.section-header p { font-size: 17px; color: var(--gray-600); max-width: 600px; margin: 0 auto; }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius);
  padding: 32px; transition: box-shadow .2s, border-color .2s;
}
.feature-card:hover { box-shadow: var(--shadow); border-color: var(--green-200); }
.feature-icon { font-size: 28px; margin-bottom: 16px; }
.feature-card h3 { font-size: 16px; font-weight: 600; color: var(--gray-900); margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--gray-600); line-height: 1.6; }

.platform-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.platform-item {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius); padding: 32px;
}
.platform-item h4 { font-size: 17px; font-weight: 600; color: white; margin-bottom: 8px; }
.platform-item p { font-size: 14px; color: rgba(255,255,255,.7); margin-bottom: 12px; }
.link-arrow { color: var(--green-400); font-weight: 600; text-decoration: none; font-size: 14px; }
.link-arrow:hover { color: var(--green-300); }

/* Footer */
.footer { background: var(--gray-900); color: white; padding: 48px 24px; }
.footer-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.footer .brand-mark { margin: 0 auto 12px; }
.footer-tagline { font-size: 13px; color: rgba(255,255,255,.5); margin: 8px 0 16px; }
.footer-links { font-size: 13px; color: rgba(255,255,255,.4); }
.footer-links a { color: rgba(255,255,255,.6); text-decoration: none; }
.footer-links a:hover { color: white; }

@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .platform-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}
