/* CSS Variables for easy theme management */
:root {
    --bg-color: #0d1117;
    --primary-color: #c9d1d9;
    --accent-color: #58a6ff;
    --border-color: #30363d;
    --glow-color: rgba(88, 166, 255, 0.5);
    --font-family: 'Poppins', sans-serif;
}

/* =================================
   Global Link Styling
   ================================= */
a,
a:link,
a:visited {
    color: var(--accent-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

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

body {
    background-color: var(--bg-color);
    color: var(--primary-color);
    font-family: var(--font-family);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden; /* Hide scrollbars caused by animations */
}

/* Particle.js Background Styling */
#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1; /* Place it behind all other content */
}

/* Main Content Container */
.container {
    text-align: center;
    padding: 2rem;
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 900px;
}

/* Headline with Typewriter Cursor */
.headline {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.headline::after {
    content: '_';
    animation: blink 1s step-end infinite;
    font-weight: 600;
    margin-left: 5px;
    color: var(--accent-color);
}

@keyframes blink {
    from, to { opacity: 1; }
    50% { opacity: 0; }
}

/* Navigation Grid */
.link-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    perspective: 1000px; /* For 3D hover effect */
}

/* Individual Grid Items (Links) */
.grid-item {
    background-color: rgba(22, 27, 34, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-decoration: none;
    color: var(--primary-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    will-change: transform; /* Performance optimization */
}

.grid-item i {
    font-size: 2.5rem;
    transition: transform 0.3s ease, color 0.3s ease;
}

.grid-item span {
    font-size: 1.1rem;
    font-weight: 400;
}

/* The "Pushing the Boundary" Hover Effect */
.grid-item:hover {
    transform: translateY(-10px) rotateX(10deg) scale(1.05);
    border-color: var(--accent-color);
    box-shadow: 0 15px 30px -5px var(--glow-color);
    color: var(--accent-color);
}

.grid-item:hover i {
    transform: scale(1.2);
    color: var(--accent-color);
}

/* Footer */
.footer {
    margin-top: 4rem;
    font-size: 0.9rem;
    color: #8b949e; /* Softer color for footer */
}

/* --- Responsive Design --- */

/* For Tablets */
@media (max-width: 768px) {
    .link-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .headline {
        font-size: 2rem;
    }
}

/* For Mobile Phones */
@media (max-width: 480px) {
    body {
        /* Allow vertical scrolling on mobile  */
        overflow-y: auto; 
        /* Align content to the top to ensure natural scrolling */
        align-items: flex-start;
    }

    .container {
        padding: 2rem 1rem; /* Add some vertical padding */
    }
    
    .headline {
        font-size: 1.5rem;
        margin-bottom: 2rem;
    }

    .link-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .grid-item {
        flex-direction: row;
        justify-content: flex-start;
        padding: 1.25rem;
        gap: 1.5rem;
    }
    
    .grid-item i {
        font-size: 1.5rem;
    }
    
    .grid-item span {
        font-size: 1rem;
    }
}

/* Individual Grid Items (Links) - MODIFIED */
.grid-item {
    background-color: rgba(22, 27, 34, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-decoration: none;
    color: var(--primary-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    will-change: transform;
    position: relative; /* This is required for badge positioning */
    overflow: hidden; /* Hide anything that spills out */
}


/* New "Coming Soon" Badge */
.coming-soon-badge {
    position: absolute;
    top: -1px;
    right: -1px;
    background: linear-gradient(135deg, #f7b733, #fc4a1a);
    color: #fff;
    padding: 5px 12px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    border-top-right-radius: 12px;
    border-bottom-left-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

/* New Footer Links Styling */
.footer-links {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.footer-links a {
    color: #8b949e;
    text-decoration: none;
    transition: color 0.3s ease;
}

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