:root { --blue: #0056B3; --green: #2E7D32; --light: #F8F9FA; --dark: #212529; }
* { box-sizing: border-box; }
body { font-family: 'Segoe UI', Arial, sans-serif; margin: 0; background: var(--light); color: var(--dark); padding-bottom:30px; }
header { background: var(--blue); color: white; padding: 20px 10px; text-align: center; }
header h1 { margin:0; font-size: 1.6rem; }
nav { background: var(--green); padding: 10px; text-align: center; display:flex; flex-wrap:wrap; justify-content:center; gap:10px; }
nav a { color: white; text-decoration: none; font-weight: bold; font-size:0.9rem; }
.hero { background: linear-gradient(rgba(0,86,179,0.1), rgba(46,125,50,0.1)), url('https://images.unsplash.com/photo-1607006342446-eaf777610432?q=80&w=1200') center/cover; padding: 40px 15px; text-align: center; }
.container { max-width: 1100px; margin: 20px auto; padding: 0 15px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 20px; }
.card { background: white; padding: 20px; border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); border-top: 4px solid var(--blue); }
.btn { display: block; background: var(--blue); color: white; padding: 12px; border: none; border-radius: 4px; cursor: pointer; text-decoration: none; font-weight: bold; width: 100%; text-align: center; font-size: 1rem; margin-top: 10px; }
.btn-green { background: var(--green); }
input, textarea { width: 100%; padding: 12px; margin: 8px 0; border: 1px solid #ccc; border-radius: 4px; font-size: 1rem; display: block; }
table { width: 100%; border-collapse: collapse; margin-top: 20px; background: white; font-size:0.9rem; }
th, td { padding: 10px; border: 1px solid #ddd; text-align: left; }
th { background: var(--blue); color: white; }