:root {
    --primary: #0284c7;
    --primary-dark: #0369a1;
    --accent: #f59e0b;
    --dark: #0f172a;
    --light: #f8fafc;
    --gray: #64748b;
}
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
body { color: var(--dark); background: var(--light); line-height: 1.6; }
header { background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 100; }
.top-bar { background: var(--dark); color: #fff; padding: 0.5rem 1rem; font-size: 0.9rem; display: flex; justify-content: space-between; align-items: center; max-width: 1200px; margin: 0 auto; }
.top-bar a { color: var(--accent); text-decoration: none; font-weight: bold; }
nav { display: flex; justify-content: space-between; align-items: center; max-width: 1200px; margin: 0 auto; padding: 1rem; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--primary); text-decoration: none; }
.nav-links { display: flex; list-style: none; gap: 1.5rem; align-items: center; }
.nav-links a { text-decoration: none; color: var(--dark); font-weight: 600; transition: color 0.2s; }
.nav-links a:hover { color: var(--primary); }
.btn-cta { background: var(--accent); color: var(--dark); padding: 0.75rem 1.5rem; border-radius: 4px; font-weight: 700; text-decoration: none; display: inline-flex; align-items: center; gap: 0.5rem; transition: background 0.2s; box-shadow: 0 4px 6px rgba(245, 158, 11, 0.2); }
.btn-cta:hover { background: #d97706; color: #fff; }
.hero { background: linear-gradient(rgba(15,23,42,0.8), rgba(15,23,42,0.8)), url('https://images.unsplash.com/photo-1542013936693-8cf3e5d49bcd?auto=format&fit=crop&w=1600&q=80') center/cover; color: #fff; padding: 5rem 1rem; text-align: center; }
.hero h1 { font-size: 2.75rem; margin-bottom: 1rem; font-weight: 800; }
.hero p { font-size: 1.25rem; max-width: 800px; margin: 0 auto 2rem; color: #cbd5e1; }
.container { max-width: 1200px; margin: 0 auto; padding: 4rem 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.card { background: #fff; padding: 2rem; border-radius: 8px; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05); border-top: 4px solid var(--primary); transition: transform 0.2s; }
.card:hover { transform: translateY(-5px); }
.card h3 { margin-bottom: 1rem; color: var(--dark); font-size: 1.25rem; }
.card p { color: var(--gray); margin-bottom: 1.5rem; }
.btn-outline { color: var(--primary); font-weight: 600; text-decoration: none; display: inline-flex; align-items: center; gap: 0.25rem; }
.btn-outline:hover { color: var(--primary-dark); text-decoration: underline; }
footer { background: var(--dark); color: #cbd5e1; padding: 4rem 1rem 2rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; max-width: 1200px; margin: 0 auto 3rem; }
.footer-grid h4 { color: #fff; margin-bottom: 1rem; font-size: 1.1rem; }
.footer-grid ul { list-style: none; }
.footer-grid ul li { margin-bottom: 0.75rem; }
.footer-grid ul li a { color: #cbd5e1; text-decoration: none; }
.footer-grid ul li a:hover { color: var(--accent); }
.copyright { text-align: center; padding-top: 2rem; border-top: 1px solid #334155; font-size: 0.9rem; color: #94a3b8; }
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero h1 { font-size: 2rem; }
}