body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; margin: 0; padding: 0; color: #333; background-color: #fdfdfd; }
header { background-color: #1a3644; color: white; padding: 20px 0; text-align: center; }
header h1 { margin: 0; font-size: 2em; letter-spacing: 1px; }
header p { margin: 5px 0 0; font-weight: 300; }
nav { background-color: #122630; padding: 12px; text-align: center; }
nav a { color: #e8f0ec; text-decoration: none; margin: 0 15px; font-weight: bold; font-size: 1.1em; transition: color 0.3s; }
nav a:hover { color: #648c75; }
.hero { background-color: #1a3644; background-image: linear-gradient(rgba(26, 54, 68, 0.9), rgba(26, 54, 68, 0.9)); color: white; padding: 80px 20px; text-align: center; }
.hero h2 { font-size: 2.8em; margin-bottom: 15px; max-width: 800px; margin-left: auto; margin-right: auto; }
.hero p { font-size: 1.2em; color: #d0ded7; max-width: 600px; margin: 0 auto; line-height: 1.6; }
.btn { background-color: #4a7b59; color: white; padding: 12px 25px; text-decoration: none; border-radius: 5px; display: inline-block; margin-top: 25px; font-weight: bold; transition: background 0.3s; }
.btn:hover { background-color: #3b6348; }
.container { max-width: 1200px; margin: 0 auto; padding: 60px 20px; }
.section-title { text-align: center; color: #1a3644; margin-bottom: 40px; font-size: 2.2em; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 25px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 30px; }
.card { background: #fff; padding: 30px 20px; border-radius: 8px; text-align: center; box-shadow: 0 4px 6px rgba(0,0,0,0.05); border-top: 4px solid #4a7b59; }
.card.dark { background: #1a3644; color: white; border-top: none; border-bottom: 4px solid #4a7b59; }
.card.dark h3 { color: #fff; }
.card h3 { color: #1a3644; font-size: 1.3em; margin-bottom: 15px; }
.card p { color: #666; line-height: 1.5; }
.card.dark p { color: #ccc; }
footer { background-color: #0c1a21; color: #888; text-align: center; padding: 30px; margin-top: 40px; }
footer p { margin: 5px 0; }