:root {
    /* Primary Colors */
    --color-primary: #003366;
    --color-primary-light: #005BAA;

    /* Secondary Colors */
    --color-secondary: #FFCC00;
    --color-secondary-rich: #FFD700;

    /* Accent Colors */
    --color-accent: #50C878;
    --color-accent-fresh: #78C800;

    /* Error Colors */
    --color-error: #FF6B6B;

    /* Background Colors */
    --color-background: #FFFFFF;
    --color-background-alt: #F5F5F5;

    /* Text Colors */
    --color-text-primary: #333333;
    --color-text-secondary: #666666;
    --color-text-light: #FFFFFF;
}

/* Global Styles */
body {
    font-family: 'Instrument Sans', ui-sans-serif, system-ui, sans-serif;
    color: var(--color-text-primary);
    background-color: var(--color-background);
}

/* Navigation */
.navbar {
    background-color: var(--color-background);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 0.5rem 0;
}

.navbar-brand {
    padding: 0;
    margin: 0;
}

.navbar-logo {
    height: 100px;
    width: auto;
    max-width: 250px;
    object-fit: contain;
}

@media (max-width: 991.98px) {
    .navbar-logo {
        height: 40px;
    }

    .navbar-collapse {
        background-color: var(--color-background);
        padding: 1rem;
        border-radius: 8px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        margin-top: 0.5rem;
    }

    .nav-item {
        margin: 0.5rem 0;
    }

    .nav-item.ms-2 {
        margin-left: 0 !important;
        margin-top: 1rem;
    }

    .btn-primary {
        display: block;
        text-align: center;
    }
}

.nav-link {
    color: var(--color-text-primary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.2s ease;
}

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

/* Hero Section */
.hero-banner {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-text-light);
    padding: 100px 0;
}

/* Cards */
.feature-card {
    border: none;
    border-radius: 10px;
    transition: transform 0.3s;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    background-color: var(--color-background);
}

.feature-card:hover {
    transform: translateY(-5px);
}

/* Footer */
footer {
    background-color: var(--color-background-alt);
    padding: 40px 0;
}

/* Buttons */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

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

.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-text-primary);
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.btn-secondary:hover {
    background-color: var(--color-secondary-rich);
}

/* Utility Classes */
.text-primary {
    color: var(--color-primary) !important;
}

.bg-primary {
    background-color: var(--color-primary) !important;
}

.bg-light {
    background-color: var(--color-background-alt) !important;
}