/* David Lonky - Actor Portfolio Styles */
:root {
    /* Colors - Neutral & Professional */
    --color-bg-body: #ffffff;
    --color-text-main: #222222;
    --color-text-muted: #666666;
    --color-accent: #5D737E; /* Muted Slate Blue/Grey */
    --color-bg-nav: #f8f9fa;
    --color-border: #e0e0e0;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-heading: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 48px;
    
    /* Layout */
    --max-width: 1200px;
    --header-height: 70px;
}

/* Reset / Normalize */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-body);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-accent);
}

img {
    max-width: 100%;
    display: block;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

p {
    margin-bottom: var(--spacing-md);
}

/* Utility */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Header & Navigation */
header {
    background-color: #fff;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.utility-bar {
    background-color: var(--color-text-main);
    color: #fff;
    font-size: 0.85rem;
    padding: 4px 0;
}

.utility-bar .container {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

.utility-bar a:hover {
    text-decoration: underline;
    color: #fff;
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo span {
    font-weight: 400;
    color: var(--color-text-muted);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-links a {
    font-weight: 500;
    font-size: 1rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Footer */
footer {
    background-color: var(--color-bg-nav);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
    font-size: 0.9rem;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

/* Responsive */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        display: none; /* JS will toggle this */
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
}