:root {
    --primary: #0a2540;
    --accent: #00b4d8;
    --text: #333;
    --bg: #f9fbfd;
}
* { box-sizing: border-box; }
body { font-family: 'Segoe UI', sans-serif; margin: 0; color: var(--text); background: var(--bg); }
header { background: var(--primary); padding: 1rem 2rem; }
nav { display: flex; justify-content: space-between; align-items: center; }
nav ul { list-style: none; display: flex; gap: 1.5rem; margin: 0; }
nav a { color: white; text-decoration: none; font-weight: 500; }
.logo { color: white; font-size: 1.3rem; font-weight: bold; text-decoration: none; }
main { max-width: 1100px; margin: 0 auto; padding: 2rem; }
.hero { text-align: center; padding: 4rem 1rem; background: linear-gradient(135deg, #e0f7fa, #f0f4f8); border-radius: 10px; margin-bottom: 2rem; }
.hero h1 { font-size: 2.2rem; color: var(--primary); }
.btn { display: inline-block; background: var(--accent); color: white; padding: 0.8rem 1.5rem; text-decoration: none; border-radius: 6px; margin-top: 1rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; margin-top: 1.5rem; }
.card { background: white; padding: 1.5rem; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); }
footer { text-align: center; padding: 1.5rem; background: var(--primary); color: white; margin-top: 2rem; }
input, textarea { width: 100%; padding: 0.6rem; margin-bottom: 1rem; border: 1px solid #ccc; border-radius: 4px; }