:root { --primary: #2563eb; --primary-dark: #1d4ed8; --bg-dark: #0f172a; --bg-card: #1e293b; --text-main: #f8fafc; --text-muted: #94a3b8; --accent: #38bdf8; --border: rgba(255,255,255,0.1); }
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', system-ui, -apple-system, sans-serif; background-color: var(--bg-dark); color: var(--text-main); line-height: 1.6; }
a { text-decoration: none; color: inherit; transition: color 0.2s; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
h1, h2, h3 { font-weight: 700; line-height: 1.2; margin-bottom: 20px;}

/* Navigation */
header { border-bottom: 1px solid var(--border); background-color: rgba(15, 23, 42, 0.95); position: sticky; top: 0; z-index: 100; backdrop-filter: blur(10px); }
.nav-container { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.logo { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.5px; display: flex; align-items: center; gap: 8px; }
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a { color: var(--text-muted); font-weight: 500; }
.nav-links a:hover, .nav-links a.active { color: var(--text-main); }
.btn-login { background-color: var(--primary); color: white !important; padding: 8px 20px; border-radius: 6px; font-weight: 600; }
.btn-login:hover { background-color: var(--primary-dark); }

/* Main Content Blocks */
.page-header { padding: 100px 0 60px; text-align: center; border-bottom: 1px solid var(--border); background: radial-gradient(circle at 50% 0%, #1e293b 0%, transparent 70%); }
.page-header h1 { font-size: 3rem; background: linear-gradient(to right, #fff, #94a3b8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.content-section { padding: 80px 0; }
.content-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.text-block p { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 20px; }
.card { background-color: var(--bg-card); padding: 40px; border-radius: 12px; border: 1px solid var(--border); }
.card h3 { color: var(--accent); }

/* Footer */
footer { padding: 40px 0; border-top: 1px solid var(--border); margin-top: 40px; text-align: center; color: var(--text-muted); font-size: 0.9rem; }

@media (max-width: 768px) {
    .nav-links { display: none; }
    .content-grid { grid-template-columns: 1fr; gap: 40px; }
}