:root {
    /* Color Palette */
    --color-primary: #000000;
    --color-secondary: #767676;
    --color-tertiary: #e6e6e6;
    --color-accent: #383a69; /* custom-color-3 */
    --color-bg-light: #f5f5f5; /* background */
    --color-bg-alt: #e6e6e9; /* custom-color-4 */
    --color-white: #ffffff;

    /* Typography */
    --font-heading: "Epilogue", sans-serif;
    --font-body: "Open Sans", sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    
    /* Layout */
    --container-width: 1200px;
    --header-height: auto;
}

/* Base Styles */
body {
    background-color: var(--color-bg-light);
    color: var(--color-primary);
    font-family: var(--font-body);
    margin: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: opacity 0.2s ease;
}

a:hover {
    opacity: 0.8;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    margin-top: 0;
    letter-spacing: -0.02em;
}

/* Header & Navigation */
.site-header {
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-sm) 0;
}

.header-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo img {
    height: 60px;
    width: auto;
}

/* Navbar Bootstrap Overrides */
.navbar {
    background-color: var(--color-accent) !important;
}

.navbar-brand {
    font-family: var(--font-heading);
    font-weight: 800;
}

.nav-link {
    color: var(--color-white) !important;
    font-family: var(--font-heading);
    font-weight: 600;
}

.dropdown-menu {
    background-color: var(--color-white) !important;
    border: 1px solid var(--color-tertiary);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    padding: 0.5rem 0;
}

.dropdown-item {
    color: var(--color-primary) !important;
    font-family: var(--font-body);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--color-bg-light);
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover {
    background-color: var(--color-bg-light) !important;
    color: var(--color-accent) !important;
}

/* Home Logo Section */
.logo-container {
    font-family: var(--font-heading);
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    max-width: 800px;
    margin: var(--spacing-lg) auto;
    background: var(--color-white);
    border: 1px solid var(--color-tertiary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.acronym {
    font-size: 4em;
    font-weight: 800;
    color: var(--color-accent);
    margin-bottom: 15px;
    letter-spacing: 0.2em;
}

/* Main Content Area */
.main-content {
    background: var(--color-white);
    min-height: 60vh;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--color-primary);
    background-color: var(--color-bg-alt);
    width: 100%;
    margin-top: var(--spacing-lg);
}

.footer-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

/* Responsive */
@media (max-width: 768px) {
    .acronym {
        font-size: 2.5em;
        letter-spacing: 0.1em;
    }
    
    .header-container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}