/* --- System Container & Layout --- */
.system-container {
    max-width: 1000px; 
    margin: 0 auto;
    padding: 8rem 2rem 4rem 2rem; 
}

.content-terminal {
    border-left: 1px solid var(--border);
    padding-left: 2rem;
}

/* --- Profile Header --- */
.profile-header {
    display: flex;
    gap: 3rem;
    align-items: center;
    margin-bottom: 3rem;
}

.profile-img {
    width: 180px;
    height: 180px;
    border: 1px solid var(--accent);
    padding: 5px;
    filter: grayscale(1) contrast(1.2); 
    animation: colorize-fade 12s steps(12) forwards;
}

.identity-data h1 {
    font-family: var(--font-mono);
    font-size: 3rem;
    margin: 0;
    letter-spacing: -2px;
}

.subtitle {
    font-family: var(--font-mono);
    color: var(--accent);
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

.bio-tags {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    border: 1px solid var(--gray);
    padding: 2px 8px;
    color: var(--gray);
}

/* --- Grid & Typography --- */
.grid-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin: 3rem 0;
}

.col-main p {
    max-width: 70ch;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.section-title {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
    display: block;
}

.system-divider {
    border: 0;
    border-top: 1px solid var(--border);
    margin: 3rem 0;
}

/* --- Stack & Matrix --- */
.stack-list {
    list-style: none;
    padding: 0;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 2;
}

.matrix-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.matrix-item {
    border: 1px solid var(--border);
    padding: 1.5rem;
    display: block;
    transition: background 0.2s steps(4);
}

.matrix-item:hover {
    background: rgba(0, 255, 65, 0.05);
    border-color: var(--accent);
}

/* --- System Credentials & Manifest Link --- */
.credentials-matrix {
    margin-top: 4rem;
    border-top: 1px solid var(--border);
    padding-top: 2rem;
}

.manifest-access {
    margin-top: 3rem;
    padding: 2rem;
    border: 1px dashed var(--border);
    background: rgba(0, 255, 65, 0.02);
}

.manifest-access p {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    margin: 0.5rem 0;
}

.manifest-access .nav-link {
    font-weight: bold;
    color: var(--accent);
}

/* Ensure the hover state works correctly inside the paragraph */
.manifest-access .nav-link:hover {
    color: #000;
}

.node-id {
    color: var(--accent);
    font-family: var(--font-mono);
    display: block;
    font-size: 0.8rem;
}

.node-name {
    font-family: var(--font-mono);
    font-weight: bold;
    display: block;
    margin: 0.5rem 0;
}

.node-desc {
    font-size: 0.85rem;
    color: var(--gray);
}

/* --- CTA & Animation --- */
.cta-block {
    margin-top: 4rem;
    padding: 3rem;
    border: 1px dashed var(--accent);
    text-align: center;
}

.btn-primary {
    display: inline-block;
    background: var(--accent);
    color: #000;
    padding: 1rem 2rem;
    font-family: var(--font-mono);
    font-weight: bold;
    text-decoration: none;
    margin-top: 1rem;
}

.blink {
    font-family: var(--font-mono);
    animation: blink-anim 1s steps(2) infinite;
}

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

@keyframes colorize-fade {
    0% { filter: grayscale(1) 
        contrast(1.2);
    }
    100% { filter: 
        grayscale(0) 
        contrast(1);
    }
}

/* --- Responsive Fix --- */
@media (max-width: 768px) {
    .grid-layout { grid-template-columns: 1fr; }
    .profile-header { flex-direction: column; text-align: center; }
    .bio-tags { justify-content: center; flex-wrap: wrap; }
}