:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #94a3b8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background-color: #f1f5f9;
    color: var(--dark);
    line-height: 1.6;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    padding: 0 2rem;
    z-index: 100;
}

.nav-brand {
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    font-size: 1.25rem;
    margin-right: auto;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    height: 100%;
}

.nav-link {
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    height: 100%;
}

.nav-link:hover {
    color: var(--primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    border-radius: 0.375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
    text-decoration: none;
}

.btn-outline {
    border-color: var(--primary);
    color: var(--primary);
    height: auto;
    background-color: transparent;
}

.btn-outline:hover {
    background-color: #e0f2fe;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

/* Footer */
.footer {
    padding: 3rem 2rem;
    background: var(--dark);
    color: white;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-logo {
    font-weight: 700;
    color: white;
    font-size: 1.25rem;
    margin-bottom: 1rem;
    display: inline-block;
}

.footer-about {
    margin-bottom: 1rem;
    color: var(--gray);
}

.footer-title {
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-links {
    list-style: none;
}

.footer-link {
    margin-bottom: 0.5rem;
}

.footer-link a {
    color: var(--gray);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-link a:hover {
    color: white;
}

.copyright {
    text-align: center;
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--gray);
    font-size: 0.875rem;
}

/* Main content area */
main {
    padding-top: 60px; /* Match navbar height */
    min-height: calc(100vh - 60px); /* Ensure content takes at least full viewport height minus navbar */
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 0 1rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
}