:root {
    --primary: #1a365d;
    --secondary: #2b6cb0;
    --bg: #f7fafc;
    --text: #2d3748;
    --card-bg: #ffffff;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; color: var(--text); line-height: 1.6; background: var(--bg); }
.container { max-width: 1000px; margin: 0 auto; padding: 0 20px; }
header { background: var(--primary); color: #fff; padding: 18px 0; }
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.3rem; font-weight: 700; color: #fff; text-decoration: none; letter-spacing: 0.5px; }
nav a { color: #e2e8f0; text-decoration: none; margin-left: 25px; font-size: 0.95rem; font-weight: 500; transition: color 0.2s; }
nav a:hover, nav a.active { color: #63b3ed; }
.hero { background: linear-gradient(135deg, #1a365d, #2b6cb0); color: #ffffff; padding: 80px 0; text-align: center; }
.hero h1 { font-size: 2.5rem; margin-bottom: 20px; font-weight: 800; color: #ffffff !important; text-shadow: 0 2px 4px rgba(0,0,0,0.2); }
.hero p { font-size: 1.15rem; max-width: 700px; margin: 0 auto 30px; opacity: 0.9; color: #e2e8f0; }
.btn { display: inline-block; background: #3182ce; color: white; padding: 12px 30px; text-decoration: none; border-radius: 6px; font-weight: 600; transition: background 0.2s, transform 0.2s; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
.btn:hover { background: #2b6cb0; transform: translateY(-2px); }
main { padding: 60px 0; }
h1, h2, h3 { color: var(--primary); margin-bottom: 15px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 25px; margin-top: 30px; }
.card { background: var(--card-bg); padding: 30px; border-radius: 10px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); border-top: 4px solid var(--secondary); transition: transform 0.2s; }
.card:hover { transform: translateY(-5px); }
.card h3 { margin-bottom: 10px; font-size: 1.25rem; }
.card p { color: #4a5568; font-size: 0.95rem; margin-bottom: 20px; }
.card-link { color: var(--secondary); text-decoration: none; font-weight: 600; font-size: 0.95rem; }
.card-link:hover { text-decoration: underline; }
table { width: 100%; border-collapse: collapse; margin-top: 25px; background: var(--card-bg); border-radius: 8px; overflow: hidden; box-shadow: 0 4px 15px rgba(0,0,0,0.05); }
th, td { padding: 15px 20px; text-align: left; border-bottom: 1px solid #edf2f7; }
th { background-color: #f8fafc; color: var(--primary); font-weight: 600; }
footer { background: var(--primary); color: #a0aec0; text-align: center; padding: 30px 0; margin-top: 60px; font-size: 0.9rem; }
