/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green: #2d6a4f;
  --green-light: #40916c;
  --green-dark: #1b4332;
  --bg: #f8faf8;
  --bg-card: #ffffff;
  --text: #1a1a1a;
  --text-muted: #5a6a5a;
  --border: #d0e0d0;
  --accent: #52b788;
  --accent-light: #d8f3dc;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --max-w: 960px;
  --radius: 8px;
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

/* === Layout === */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }

/* === Nav === */
nav {
  background: var(--green-dark);
  color: #fff;
  padding: 1rem 0;
  position: sticky; top: 0; z-index: 10;
}
nav .container {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.75rem;
}
nav .logo {
  font-size: 1.15rem; font-weight: 700; color: #fff; text-decoration: none;
  letter-spacing: -0.02em;
}
nav .logo span { color: var(--accent); }
nav .nav-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
nav .nav-links a {
  color: #c8e6c9; text-decoration: none; font-size: 0.9rem; font-weight: 500;
  transition: color 0.15s;
}
nav .nav-links a:hover { color: #fff; }

/* === Hero === */
.hero {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 100%);
  color: #fff;
  padding: 5rem 0 4rem;
  text-align: center;
}
.hero h1 { font-size: 2.5rem; line-height: 1.2; margin-bottom: 1rem; }
.hero h1 span { color: var(--accent); }
.hero p { font-size: 1.15rem; max-width: 640px; margin: 0 auto 2rem; opacity: 0.9; }
.hero .tagline { font-size: 0.9rem; opacity: 0.7; margin-top: 1.5rem; }

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--green-dark); }
.btn-primary:hover { background: var(--green-light); color: #fff; }
.btn-outline { border: 2px solid rgba(255,255,255,0.4); color: #fff; }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); }

/* === Sections === */
.section { padding: 4rem 0; }
.section-alt { background: var(--bg-card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section h2 {
  font-size: 1.75rem; margin-bottom: 1rem; color: var(--green-dark);
}
.section h2:after {
  content: ''; display: block; width: 48px; height: 3px; background: var(--accent);
  margin-top: 0.5rem;
}
.section .subtitle { color: var(--text-muted); margin-bottom: 2rem; max-width: 600px; }

/* === Cards === */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.5rem; }
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: box-shadow 0.15s;
}
.card:hover { box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.card-link { text-decoration: none; color: inherit; display: block; }
.card-link:hover .card { border-color: var(--green); transform: translateY(-2px); }
.card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; color: var(--green-dark); }
.card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.5; }

/* === Table === */
.table-wrap { overflow-x: auto; }
table {
  width: 100%; border-collapse: collapse; font-size: 0.9rem;
}
th, td {
  text-align: left; padding: 0.75rem 1rem; border-bottom: 1px solid var(--border);
}
th { background: var(--accent-light); font-weight: 600; color: var(--green-dark); }
tr:last-child td { border-bottom: none; }

/* === Stats === */
.stats { display: flex; gap: 2rem; justify-content: center; flex-wrap: wrap; text-align: center; padding: 2rem 0; }
.stat-number { font-size: 2.5rem; font-weight: 800; color: var(--green); }
.stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.25rem; }

/* === Steps === */
.steps { counter-reset: step; }
.step {
  counter-increment: step;
  padding: 1.5rem 0 1.5rem 3.5rem;
  position: relative;
  border-left: 3px solid var(--accent);
  margin-left: 1rem;
}
.step:last-child { border-left-color: transparent; }
.step::before {
  content: counter(step);
  position: absolute; left: -1.1rem; top: 1.4rem;
  width: 2.2rem; height: 2.2rem;
  background: var(--accent); color: var(--green-dark);
  font-weight: 700; font-size: 0.85rem;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.step h3 { font-size: 1.05rem; margin-bottom: 0.4rem; color: var(--green-dark); }
.step p { font-size: 0.9rem; color: var(--text-muted); }

/* === Contact / CTA === */
.cta-box {
  background: var(--green);
  color: #fff;
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
}
.cta-box h2 { color: #fff; }
.cta-box h2:after { background: #fff; margin-left: auto; margin-right: auto; }
.cta-box p { opacity: 0.9; margin-bottom: 1.5rem; }
.cta-box .btn-primary { background: #fff; color: var(--green-dark); }
.cta-box .btn-primary:hover { background: var(--accent-light); }

/* === Page Header (sub pages) === */
.page-header {
  background: var(--green-dark);
  color: #fff;
  padding: 3rem 0 2.5rem;
}
.page-header h1 { font-size: 2rem; margin-bottom: 0.5rem; }
.page-header p { opacity: 0.85; max-width: 560px; }

/* === Footer === */
footer {
  background: var(--green-dark);
  color: #a8c8a8;
  padding: 2.5rem 0;
  font-size: 0.85rem;
}
footer .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
footer a { color: var(--accent); text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* === Responsive === */
@media (max-width: 768px) {
  .hero { padding: 3rem 0 2.5rem; }
  .hero h1 { font-size: 1.75rem; }
  nav .container { flex-direction: column; align-items: flex-start; }
  nav .nav-links { gap: 1rem; }
  .cards { grid-template-columns: 1fr; }
  .section { padding: 2.5rem 0; }
  .stats { gap: 1.5rem; }
  footer .container { flex-direction: column; text-align: center; }
  .page-header { padding: 2rem 0 1.5rem; }
  .page-header h1 { font-size: 1.5rem; }
}