/* Variables */
:root {
    --primary-blue: #2563eb;
    --primary-dark: #1e40af;
    --text-dark: #1a1f36;
    --text-light: #6b7280;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
}

/* Base styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-dark);
    line-height: 1.5;
    background-color: var(--white);
}

/* Navbar styles */
.navbar {
    padding: 1rem 0;
    background: var(--white);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.2s ease;
}

.navbar-brand:hover {
    color: var(--primary-dark);
}

.brand-icon {
    font-size: 1.25rem;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.navbar-toggler {
    border: none;
    padding: 0.5rem;
    color: var(--text-dark);
    transition: color 0.2s ease;
}

.navbar-toggler:focus {
    box-shadow: none;
    color: var(--primary-blue);
}

.navbar-nav {
    gap: 0.5rem;
    align-items: center;
}

.nav-item {
    display: flex;
    align-items: center;
}

.nav-link {
    padding: 0.5rem !important;
}

/* Button styles */
.btn {
    padding: 0.5rem 1rem;
    font-weight: 500;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    border: none;
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.btn-outline-primary {
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--gray-50);
    border-color: var(--primary-dark);
    color: var(--primary-dark);
}

/* Responsive styles */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: var(--white);
        padding: 1rem;
        border-radius: 0.5rem;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        margin-top: 1rem;
    }

    .navbar-nav {
        gap: 1rem;
    }

    .nav-item {
        width: 100%;
    }

    .nav-link {
        width: 100%;
    }

    .nav-link .btn {
        width: 100%;
        justify-content: center;
    }
}