/* style.css */
:root {
    --primary: #4f46e5;
    --primary-dark: #3730a3;
    --secondary: #64748b;
    --bg-light: #f8fafc;
    --text-dark: #0f172a;
    --accent: #f59e0b;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.8;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

header {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo { font-size: 1.5rem; font-weight: 800; color: var(--primary); text-transform: uppercase; }

.nav-links { display: flex; list-style: none; gap: 2rem; }
.nav-links a { text-decoration: none; color: var(--secondary); font-weight: 500; transition: 0.3s; }
.nav-links a:hover { color: var(--primary); }

.container { max-width: 1000px; margin: 4rem auto; padding: 0 2rem; }

.hero { 
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 6rem 2rem;
    text-align: center;
}

h1 { font-size: 3rem; margin-bottom: 1.5rem; }
h2 { color: var(--primary); margin: 2.5rem 0 1.5rem; font-size: 2rem; border-bottom: 2px solid #e2e8f0; padding-bottom: 0.5rem; }

p { margin-bottom: 1.5rem; font-size: 1.1rem; text-align: justify; }

.rich-content { background: white; padding: 3rem; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.05); }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; margin: 3rem 0; }
.stat-card { background: #eef2ff; padding: 2rem; border-radius: 8px; text-align: center; }
.stat-card h3 { font-size: 2.5rem; color: var(--primary); }

table { width: 100%; border-collapse: collapse; margin: 2rem 0; }
th, td { padding: 1rem; border: 1px solid #e2e8f0; text-align: left; }
th { background: #f1f5f9; }

footer { background: #0f172a; color: white; padding: 4rem 2rem; margin-top: 4rem; }
.footer-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 3rem; }

.btn { 
    display: inline-block; 
    padding: 0.8rem 2rem; 
    background: var(--primary); 
    color: white; 
    text-decoration: none; 
    border-radius: 50px; 
    transition: 0.3s;
}
.btn:hover { background: var(--primary-dark); transform: translateY(-2px); }

@media (max-width: 768px) {
    .nav-links { display: none; }
    h1 { font-size: 2rem; }
}