:root {
  --primary: #2d5a27;
  --primary-dark: #1b3817;
  --accent: #87a96b;
  --bg-light: #f9fbf8;
  --text: #2c3e50;
  --text-muted: #667085;
  --white: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 4px 20px rgba(0,0,0,0.06);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
  background-color: var(--bg-light);
  color: var(--text);
  line-height: 1.6;
}

/* Üst İş Birliği & Bilgi Barı */
.top-bar {
  background: var(--primary-dark);
  color: #e5f4e3;
  padding: 8px 20px;
  font-size: 0.88rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.top-bar a {
  color: #a3e635;
  text-decoration: none;
  font-weight: 600;
}

/* Navigasyon */
.navbar {
  background: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
}

.logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 24px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--primary);
}

/* Genel Konteyner & Hero */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

.hero {
  background: linear-gradient(135deg, #2d5a27 0%, #4a7c3f 100%);
  color: var(--white);
  padding: 70px 20px;
  text-align: center;
  border-radius: 16px;
  margin: 20px auto;
  max-width: 1200px;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  line-height: 1.2;
}

.hero p {
  font-size: 1.15rem;
  max-width: 750px;
  margin: 0 auto 24px auto;
  opacity: 0.95;
}

.btn {
  display: inline-block;
  background: var(--white);
  color: var(--primary);
  padding: 12px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* Grid & Kartlar */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 30px;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow);
  transition: transform 0.2s;
}

.card:hover {
  transform: translateY(-4px);
}

.card-tag {
  display: inline-block;
  background: #eef8ec;
  color: var(--primary);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.card h3 {
  margin-bottom: 10px;
  color: var(--primary);
}

/* SSS Akordeon */
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 16px;
  padding: 20px;
}

.faq-item h3 {
  color: var(--primary);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

/* Alt Bölüm & Footer */
footer {
  background: #1e293b;
  color: #94a3b8;
  padding: 50px 20px 20px 20px;
  margin-top: 60px;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
}

.footer-col h4 {
  color: var(--white);
  margin-bottom: 15px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col a {
  color: #94a3b8;
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid #334155;
  padding-top: 20px;
  margin-top: 40px;
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .hero h1 { font-size: 1.8rem; }
  .nav-container { flex-direction: column; gap: 15px; }
  .top-bar { text-align: center; justify-content: center; }
}