:root {
    --bg: #ffffff;
    --muted: #6c757d;
    --primary: #0d6efd;
    --accent: #b8860b;
    --card: #f8f9fa;
    --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', 'Helvetica Neue', Arial;
}

body {
    font-family: var(--font-sans);
    color: #222;
    background: var(--bg);
    padding-top: 70px; /* space for fixed header */
}

/* Navbar */
.modern-nav .nav-link {
    font-weight: 500;
    position: relative;
    color: #444 !important;
    transition: color 0.2s;
}
.modern-nav .nav-link:hover,
.modern-nav .nav-link.active {
    color: var(--primary) !important;
}
.modern-nav .nav-link::after {
    content: "";
    display: block;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
    margin-top: 4px;
}
.modern-nav .nav-link:hover::after,
.modern-nav .nav-link.active::after {
    width: 100%;
}

/* Buttons */
.btn-accent {
    background: var(--primary);
    color: #fff;
    border-radius: 2rem;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    border: none;
}
.btn-accent:hover { background: #0b5ed7; }

/* Footer */
.footer-light {
    background: #f8f9fa;
    border-top: 1px solid #e5e5e5;
}
.footer-light .footer-link {
    color: #555;
    text-decoration: none;
    display: inline-block;
    margin-bottom: 0.5rem;
    transition: color 0.2s;
}
.footer-light .footer-link:hover { color: var(--primary); }
.footer-light .social-icon {
    color: #555;
    font-size: 1.4rem;
    transition: color 0.2s, transform 0.2s;
}
.footer-light .social-icon:hover {
    color: var(--primary);
    transform: translateY(-3px);
}