/* ── Page Layout ─────────────────────────── */
.about-page {
    min-height: 100vh;
    padding: 4rem 2rem 6rem;
    box-sizing: border-box;
}

.about-container {
    max-width: 860px;
    margin: 0 auto;
}

/* ── Back nav ────────────────────────────── */
.back-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.back-nav a {
    color: var(--text-muted);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.back-nav a:hover { color: var(--accent-color); }

.loading-spinner {
    display: flex;
    align-items: center;
}

/* ── Header ──────────────────────────────── */
.about-header {
    text-align: center;
    margin-bottom: 4rem;
}

.about-header .tag {
    display: inline-block;
    font-family: var(--font-title-sans);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.about-header h1 {
    font-family: var(--font-title-sans);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 300;
    color: var(--text-color);
    letter-spacing: -0.5px;
    margin-bottom: 0.75rem;
}

.about-header .subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 300;
    margin-bottom: 1.5rem;
}

/* ── Version badge ───────────────────────── */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 1rem;
    background: var(--accent-color);
    color: #fff;
    border-radius: 100px;
    font-family: var(--font-title-sans);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    user-select: none;
    transition: transform 0.15s, box-shadow 0.15s;
    box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

.status-badge:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.status-badge:active { transform: scale(0.95); }

/* ── Tech grid ───────────────────────────── */
.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

/* ── Cards ───────────────────────────────── */
.about-card {
    padding: 1.75rem;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: border-color 0.25s;
}

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

.about-card h2 {
    font-family: var(--font-title-sans);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 1.25rem;
}

.about-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.about-card li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.6rem;
    align-items: start;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.4;
}

.about-card li::before {
    content: "▹";
    color: var(--accent-color);
    font-size: 0.75rem;
    margin-top: 0.1rem;
    flex-shrink: 0;
}

.about-card li strong {
    color: var(--text-color);
    font-weight: 500;
}

.stack-item {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.stack-item .stack-desc {
    font-size: 0.78rem;
    color: var(--text-muted);
    opacity: 0.7;
}

/* ── Status card ─────────────────────────── */
.status-card {
    margin-bottom: 1.5rem;
}

.status-rows {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.status-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.status-row:last-child { border-bottom: none; }

.status-row .label {
    color: var(--text-muted);
    font-weight: 400;
}

.status-row .value {
    color: var(--text-color);
    font-weight: 500;
    text-align: right;
}

.dot-live {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 6px #22c55e;
    animation: pulse-dot 2s ease-in-out infinite;
    margin-right: 0.4rem;
    vertical-align: middle;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ── Footer ──────────────────────────────── */
.copyright-section {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.7;
}

/* ── Responsive ──────────────────────────── */
@media (max-width: 640px) {
    .tech-grid { grid-template-columns: 1fr; }
    .about-page { padding: 2rem 1.25rem 4rem; }
}

/* ── Easter Egg Runner ───────────────────── */
#runner-easter-egg {
    position: fixed;
    bottom: 24px;
    left: -120px;
    font-size: 3.5rem;
    z-index: 9999;
    pointer-events: none;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.4));
    display: none;
}

@keyframes run-across {
    from { left: -120px; }
    to   { left: calc(100vw + 20px); }
}

@keyframes spin { 100% { transform: rotate(360deg); } }
.spin { animation: spin 2s linear infinite; }