:root {
    --bg-color: #050505;
    --text-color: #00f3ff;
    --card-bg: #0a0a0f;
    --accent-color: #ff00ff;
    --link-color: #ffd700;
    --shadow: 0 0 20px rgba(0, 243, 255, 0.1);
    --mono-font: 'SFMono-Regular', Consolas, Menlo, monospace;
}

@keyframes pulse-trace {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--mono-font);
    background-color: var(--bg-color);
    background-image: radial-gradient(rgba(19, 69, 72, 0.21) 1px, transparent 1px);
    background-size: 18px 18px;
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.bento-grid {
    display: grid;
    max-width: 900px;
    gap: 24px;
    grid-template-columns: repeat(4, 1fr);
}

.card {
    background: var(--card-bg);
    padding: 24px;
    border: 1px solid rgba(0, 243, 255, 0.15);
    box-shadow: var(--shadow);
    position: relative;
}

.profile { grid-column: span 4; display: flex; align-items: center; gap: 32px; }
.about, .interests, .links, .contact { grid-column: span 2; }

.card:hover { 
    border-color: var(--accent-color);
}

/* Navigation Blink - Restricted to the navigation card only */
.links::after {
    content: "";
    position: absolute;
    top: 10px; right: 10px;
    width: 6px; height: 6px;
    background: var(--link-color);
    box-shadow: 0 0 10px var(--link-color);
    border-radius: 50%;
    animation: pulse-trace 1s infinite;
}

.avatar {
    width: 140px;
    height: auto;
    aspect-ratio: 3 / 4;
    filter: brightness(1.2) contrast(1.2) sepia(1) hue-rotate(140deg);
    border: 1px solid var(--text-color);
}

h1 { 
    margin: 0; 
    font-size: clamp(1.5rem, 5vw, 2.2rem); 
    color: #fff;
    text-shadow: 2px 2px 0 var(--accent-color), -2px -2px 0 var(--text-color);
}

h2 { 
    font-size: 0.75rem; 
    text-transform: uppercase; 
    color: var(--accent-color);
    margin-bottom: 16px;
    margin-top: 0;
    letter-spacing: 2px;
}

.greeting-mono { 
    font-size: 0.8rem; 
    color: var(--accent-color); 
    margin: 0; 
    font-weight: bold;
}

.greeting-mono span { opacity: 0.5; }

.link-grid { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.link-grid a { 
    font-size: 0.75rem;
    display: block;
    padding: 8px;
    border-left: 3px solid var(--text-color);
    color: var(--link-color);
    background: rgba(255, 255, 255, 0.02);
    text-align: center;
}

.link-grid a:hover { 
    background: var(--text-color); 
    color: #000; 
    box-shadow: 0 0 10px var(--text-color);
}

.mono-addr { font-size: 0.85rem; color: #fff; border-bottom: 1px dashed var(--text-color); }

a { color: var(--link-color); text-decoration: none; }
a:hover { text-shadow: 0 0 8px var(--link-color); }

@media (max-width: 768px) {
    .bento-grid { grid-template-columns: 1fr; }
    .profile, .about, .interests, .links, .contact { grid-column: span 1; }
    .profile { flex-direction: column; text-align: center; }
}