/* ============================================================
   PENTASYSAI — ABOUT PAGE STYLES
   ============================================================ */

/* ——— ABOUT HERO ——— */
.about-hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: calc(var(--header-height) + var(--space-16));
    position: relative;
}

.about-hero-content {
    text-align: center;
    max-width: 900px;
    position: relative;
    z-index: 2;
}

.about-hero h1 {
    font-size: var(--fs-h1);
    font-weight: 900;
    margin-bottom: var(--space-5);
    background: linear-gradient(135deg, var(--text-white), var(--neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-hero .hero-subtitle {
    font-family: var(--font-mono);
    font-size: var(--fs-body);
    color: var(--neon-purple);
    letter-spacing: var(--ls-wide);
}


/* ——— IDENTITY SECTION ——— */
.identity-section {
    padding: var(--space-20) 0;
}

.identity-row {
    display: flex;
    align-items: center;
    gap: var(--space-16);
    margin-bottom: var(--space-24);
}

.identity-row:last-child {
    margin-bottom: 0;
}

.identity-text {
    flex: 1;
}

.identity-text h3 {
    font-size: var(--fs-h3);
    margin-bottom: var(--space-5);
}

.identity-text h3.text-red {
    color: var(--neon-red);
}

.identity-text h3.text-cyan {
    color: var(--neon-cyan);
}

.identity-text p {
    color: var(--text-muted);
    font-size: var(--fs-body);
    line-height: var(--lh-relaxed);
    border-left: 2px solid rgba(var(--neon-cyan-rgb), 0.3);
    padding-left: var(--space-5);
    background: linear-gradient(90deg, rgba(var(--neon-cyan-rgb), 0.02), transparent);
}

.identity-visual {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.identity-visual-box {
    width: 100%;
    max-width: 450px;
    aspect-ratio: 4/3;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: rgba(var(--neon-cyan-rgb), 0.15);
    overflow: hidden;
    position: relative;
}

.identity-visual-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-xl);
}


/* ——— CHARACTERISTICS GRID ——— */
.char-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.char-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8) var(--space-6);
    transition: all var(--transition-base);
}

.char-card:hover {
    transform: translateY(-8px);
    border-color: var(--glass-border-hover);
    box-shadow: var(--glow-cyan);
}

.char-card-icon {
    font-size: 2.5rem;
    color: var(--neon-cyan);
    margin-bottom: var(--space-5);
}

.char-card h4 {
    font-size: var(--fs-h4);
    margin-bottom: var(--space-4);
}

.char-card ul {
    list-style: none;
}

.char-card ul li {
    color: var(--text-muted);
    font-size: var(--fs-small);
    padding: var(--space-2) 0;
    padding-left: var(--space-5);
    position: relative;
}

.char-card ul li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--neon-purple);
    font-weight: 700;
    font-family: var(--font-mono);
}


/* ——— SPEC SHEET ——— */
.spec-section {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-12);
    align-items: center;
}

.spec-text h3 {
    font-size: var(--fs-h3);
    margin-bottom: var(--space-5);
}

.spec-text p {
    color: var(--text-muted);
    line-height: var(--lh-relaxed);
}

.spec-sheet {
    font-family: var(--font-mono);
    background: #0b0f19;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 0;
    overflow: hidden;
    box-shadow: var(--shadow-xl), 0 20px 40px rgba(0, 0, 0, 0.2);
}

.spec-sheet-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #0f172a;
    padding: var(--space-3) var(--space-5);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-left {
    display: flex;
    gap: var(--space-2);
}

.spec-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.spec-dot.red    { background: #ef4444; }
.spec-dot.yellow { background: #f59e0b; }
.spec-dot.green  { background: #10b981; }

.header-tab {
    font-size: var(--fs-xs);
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.header-tab i {
    color: var(--dev-indigo);
}

.header-right {
    font-size: var(--fs-xs);
    color: rgba(255, 255, 255, 0.2);
}

.spec-content {
    padding: var(--space-6) var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.spec-row {
    display: flex;
    align-items: center;
    font-size: var(--fs-small);
    line-height: var(--lh-normal);
    border-bottom: none;
    padding: 0;
}

.line-number {
    color: rgba(255, 255, 255, 0.15);
    margin-right: var(--space-4);
    user-select: none;
    text-align: right;
    width: 18px;
}

.spec-key {
    color: #38bdf8; /* Cyan-blue for JSON keys */
}

.spec-colon {
    color: #64748b;
    margin: 0 var(--space-2);
}

.spec-value {
    color: #e2e8f0; /* Default text color */
}

.spec-value.numerical {
    color: #fbbf24; /* Amber/gold for numerical value */
}

.spec-value.status-active {
    color: #34d399; /* Green for status */
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: #10b981;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 10px #10b981;
    animation: specsPulse 1.5s infinite alternate;
}

@keyframes specsPulse {
    0% {
        transform: scale(0.9);
        opacity: 0.6;
        box-shadow: 0 0 4px #10b981;
    }
    100% {
        transform: scale(1.1);
        opacity: 1;
        box-shadow: 0 0 12px #10b981;
    }
}


/* ——— TIMELINE ——— */
.timeline {
    position: relative;
    padding-left: var(--space-12);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--neon-cyan), var(--neon-purple), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-10);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--space-12) + 14px);
    top: 6px;
    width: 14px;
    height: 14px;
    background: var(--bg-void);
    border: 2px solid var(--neon-cyan);
    border-radius: 50%;
}

.timeline-year {
    font-family: var(--font-mono);
    font-size: var(--fs-small);
    color: var(--neon-cyan);
    margin-bottom: var(--space-2);
}

.timeline-item h4 {
    font-size: var(--fs-h4);
    margin-bottom: var(--space-2);
}

.timeline-item p {
    font-size: var(--fs-small);
    color: var(--text-muted);
}


/* ——— RESPONSIVE ——— */
@media (max-width: 768px) {
    .identity-row {
        flex-direction: column;
        gap: var(--space-8);
    }

    .char-grid {
        grid-template-columns: 1fr;
    }

    .spec-section {
        grid-template-columns: 1fr;
    }
}