:root {
    /* Dark Mode by Default (Requested "Dark Mood") */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent: #FFD700;
    /* Gold */
    --accent-hover: #ffecb3;
    --border-color: #333333;
    --glass-bg: rgba(10, 10, 10, 0.85);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.5);

    /* Spacing */
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

/* Optional Light Mode helper if needed later */
[data-theme="light"] {
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --text-primary: #2d3436;
    --text-secondary: #636e72;
    --accent: #0984e3;
    --border-color: #dfe6e9;
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(0, 0, 0, 0.1);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Background Animation Canvas */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    opacity: 0.4;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: #fff;
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.75rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

/* Layout Utilities */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-xl) 0;
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--space-md) 0;
    transition: all var(--transition-medium);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
    list-style: none;
    transition: transform var(--transition-medium);
}

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.nav-link {
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    color: var(--text-secondary);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    /* Transparent bg to show stars */
    background: transparent;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    animation: fadeUp 1s cubic-bezier(0.165, 0.84, 0.44, 1);
}

/* Hero Slideshow */
.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero h1 span {
    color: var(--accent);
    display: block;
    /* Removed gradient for solid accent color match */
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: initial;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--accent);
    color: #000;
    /* Contrast on Gold */
    border-radius: 50px;
    font-weight: 600;
    margin-top: var(--space-lg);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    border: none;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 215, 0, 0.2);
}

/* Portfolio Grid */
.filter-menu {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    padding: 0.5rem 1.5rem;
    border-radius: 30px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
}

.portfolio-grid {
    display: grid;
    /* Reduced min-width to avoid overflow on small mobiles */
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.portfolio-item {
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-medium);
    cursor: pointer;
    position: relative;
    border: 1px solid var(--border-color);
}

.portfolio-item:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
}

.portfolio-thumb {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity var(--transition-medium);
    color: #fff;
    text-align: center;
    padding: var(--space-md);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.play-icon {
    font-size: 3rem;
    margin-bottom: var(--space-sm);
    color: var(--accent);
}

/* Lightbox & Modal */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-medium);
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
}

.lightbox-content img,
.lightbox-content video,
.lightbox-content iframe {
    max-width: 100%;
    max-height: 90vh;
    border-radius: 4px;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
}

.close-lightbox {
    position: absolute;
    top: 20px;
    right: 20px;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
}

/* Contact Section */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-secondary);
    padding: var(--space-xl);
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-control {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 8px;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
}

.footer {
    background: var(--bg-secondary);
    text-align: center;
    padding: var(--space-lg);
    margin-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        right: 0;
        height: calc(100vh - 70px);
        width: 100%;
        background: var(--bg-secondary);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 2rem;
        align-items: center;
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
        border-left: 1px solid var(--border-color);
        z-index: 1000;
        /* Ensure on top */
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.5);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .hamburger {
        display: block;
        z-index: 1001;
        /* Above menu */
    }

    /* Mobile Typography Fixes */
    h1 {
        font-size: 2.2rem;
    }

    .hero {
        min-height: 60vh;
        /* Shorter hero on mobile */
    }

    /* Mobile menu needed */
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}