:root {
    --bg: #0a0a0a;           
    --text: #e0e0e0;        
    --gray: #4a4a4a;        
    --accent: #00ff41;       
    --border: #222222;     
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-sans: 'Inter', -apple-system, sans-serif;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    background-image: radial-gradient(var(--border) 1px, transparent 1px);
    background-size: 40px 40px;
    margin: 0;
}

.site-header {
    width: 100%;
    border-bottom: 1px solid var(--border);
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(5px);
    position: fixed;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    padding: 1rem 2rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.brand {
    font-weight: 900;
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

/* Standard Link Reset */
a {
    text-decoration: none;
    color: inherit;
    position: relative;
    transition: color 0.2s steps(4);
}

/* The Navigation/Inline Link Style */
.nav-link, .text-link {
    font-family: var(--font-mono);
    padding: 0 4px;
    z-index: 1;
}

.nav-link::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background: var(--accent);
    z-index: -1;
    transition: width 0.2s steps(6);
}

.nav-link:hover {
    color: #000; /* Contrast against the green accent */
}

.nav-link:hover::before {
    width: 100%;
}

.system-content {
    margin-top: 60px;
    min-height: calc(100vh - 120px); 
}

.hero {
    padding: 10rem 2rem 6rem 2rem;
    max-width: 1100px;
    border-left: 2px solid var(--accent);
    margin-left: 2rem;
}

.hero h1 {
    font-family: var(--font-mono);
    font-size: clamp(3rem, 12vw, 7rem);
    font-weight: 900;
    line-height: 0.9;
    letter-spacing: -0.05em;
    text-transform: uppercase;
    color: var(--text);
}

.tagline {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--accent);
    background: rgba(0, 255, 65, 0.1);
    display: inline-block;
    padding: 0.2rem 0.5rem;
    margin-top: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    overflow: hidden;
    background: transparent;
}

.cta-button::after {
    content: "EXECUTE >";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent);
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: left 0.3s cubic-bezier(0.86, 0, 0.07, 1);
}

.cta-button:hover::after {
    left: 0;
}

/* --- The "System" Grid --- */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
    gap: 0;
    border-top: 1px solid var(--border);
}

.card {
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 2rem;
    transition: all 0.2s steps(4); 
    background: var(--bg);
}

.card:hover {
    background: #111111;
    border-right-color: var(--accent);
}

.card-meta h3::after {
    content: "_";
    opacity: 0;
    color: var(--accent);
    margin-left: 8px;
}

.card:hover .card-meta h3::after {
    animation: blink 0.8s steps(2) infinite;
    opacity: 1;
}

.image-container {
    background: #000;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
    position: relative;
}

.image-container::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        rgba(18, 16, 16, 0) 50%, 
        rgba(0, 0, 0, 0.1) 50%
    ), linear-gradient(
        90deg, 
        rgba(255, 0, 0, 0.03), 
        rgba(0, 255, 0, 0.01), 
        rgba(0, 0, 255, 0.03)
    );
    background-size: 100% 3px, 3px 100%;
    z-index: 2;
    pointer-events: none; /* Allows clicks to pass through */
}

.image-container::after {
    content: "SCAN_PROJECT_001";
    position: absolute;
    top: 5px;
    right: 5px;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--accent);
    opacity: 0.5;
}

.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
    filter: saturate(0) contrast(1.2);
    transition: all 0.3s ease;
}

.card:hover img {
    opacity: 1;
    filter: saturate(1) contrast(1);
}

/* --- Metadata --- */
.card-meta h3 {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    margin: 0;
    color: var(--text);
}

.card-meta span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--gray);
    display: block;
    margin-top: 0.5rem;
}

.card-meta span::before {
    content: "[ ";
}
.card-meta span::after {
    content: " ]";
}

.system-footer {
    border-top: 1px solid var(--border);
    padding: 1.5rem 2rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    background: var(--bg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    color: var(--gray);
}

.accent {
    color: var(--accent);
}

.copyright {
    text-align: right;
    grid-column: -1;
}

@media (max-width: 768px) {
    .project-grid {
        grid-template-columns: 1fr; /* Stack cards vertically on tablets/phones */
    }

    .hero {
        margin-left: 1rem;
        padding: 6rem 1rem 3rem 1rem;
    }

    .hero h1 {
        font-size: 3.5rem; /* Downscale for mobile viewport */
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.7rem;
    }
}


@keyframes blink {
    0% { opacity: 0; }
    100% { opacity: 1; }
}