/* ==========================================================================
   ABOUT — Premium 2026 (section 01)
   ========================================================================== */

.about--premium {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.about--premium::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 50% at 20% 0%, rgba(212, 175, 55, 0.06), transparent 60%);
    pointer-events: none;
}

.about--premium .container {
    position: relative;
    z-index: 1;
}

.about-content--premium {
    display: flex;
    flex-direction: column;
    gap: clamp(2.5rem, 5vw, 4rem);
}

/* --- Lead: bio + highlight cards --- */
.about-lead {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    gap: clamp(1.5rem, 4vw, 2rem);
    align-items: start;
}

.about-bio-panel {
    padding: clamp(1.75rem, 4vw, 2.75rem);
}

.about--premium .about-intro {
    font-family: var(--font-family-heading);
    font-size: clamp(1.35rem, 2.8vw, 1.85rem);
    font-weight: 400;
    line-height: 1.35;
    margin-bottom: 1.25rem;
    max-width: 38rem;
}

.about--premium .about-description {
    font-size: 1.05rem;
    line-height: 1.85;
    max-width: 40rem;
    margin: 0;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.about-highlight {
    padding: 1.35rem 1.5rem;
    transition: border-color 0.25s ease, transform 0.25s ease;
}

.about-highlight:hover {
    border-color: rgba(212, 175, 55, 0.38);
    transform: translateY(-2px);
}

.about-highlight-label {
    display: block;
    font-family: var(--font-family-mono, 'JetBrains Mono', monospace);
    font-size: 0.62rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 0.65rem;
    opacity: 0.85;
}

.about-highlight h3 {
    font-family: var(--font-family-heading);
    font-size: 1.35rem;
    font-weight: 400;
    margin: 0 0 0.5rem;
    line-height: 1.2;
}

.about-highlight p {
    font-size: 0.9rem;
    line-height: 1.65;
    color: var(--text-secondary);
    margin: 0 0 1rem;
}

.about-highlight-link {
    font-family: var(--font-family-mono, 'JetBrains Mono', monospace);
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--accent-color);
    transition: opacity 0.2s ease;
}

.about-highlight-link:hover {
    opacity: 0.75;
}

.about-highlight-link:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* --- Visual row: portrait frame + stats --- */
.about-visual-row {
    display: grid;
    grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: stretch;
}

.about-frame {
    position: relative;
    padding: clamp(1rem, 2.5vw, 1.5rem);
    height: 100%;
}

.about-frame-corner {
    position: absolute;
    width: 20px;
    height: 20px;
    border-color: var(--accent-color);
    border-style: solid;
    opacity: 0.65;
    pointer-events: none;
}

.about-frame-corner--tl {
    top: 8px;
    left: 8px;
    border-width: 1px 0 0 1px;
}

.about-frame-corner--br {
    bottom: 8px;
    right: 8px;
    border-width: 0 1px 1px 0;
}

.about--premium .about-image-container {
    border: none;
    border-radius: 0;
    box-shadow: none;
    overflow: hidden;
}

.about--premium .about-image {
    filter: grayscale(18%) contrast(1.05);
    max-height: 520px;
}

.about--premium .about-image-container:hover .about-image {
    transform: scale(1.02);
    filter: grayscale(0%) contrast(1.08);
}

.stats-grid--premium {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    align-content: center;
}

.stats-grid--premium .stat-item {
    padding: 1.35rem 1.5rem;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(212, 175, 55, 0.15);
    text-align: left;
    transition: border-color 0.25s ease, transform 0.2s ease;
}

html[data-theme="light"] .stats-grid--premium .stat-item {
    background: rgba(255, 255, 255, 0.65);
}

.stats-grid--premium .stat-item:hover {
    border-color: rgba(212, 175, 55, 0.35);
    transform: translateX(4px);
}

.stats-grid--premium .stat-number {
    font-family: var(--font-family-heading);
    font-size: clamp(2.5rem, 5vw, 3.25rem);
    color: var(--accent-color);
    line-height: 1;
    margin-bottom: 0.35rem;
}

.stats-grid--premium .stat-label {
    font-family: var(--font-family-mono, 'JetBrains Mono', monospace);
    font-size: 0.65rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

/* --- Timeline in glass shell --- */
.about-timeline-panel {
    padding: clamp(1.5rem, 3vw, 2rem) clamp(1rem, 2vw, 1.5rem) 1.5rem;
}

.about-timeline-label {
    display: block;
    font-family: var(--font-family-mono, 'JetBrains Mono', monospace);
    font-size: 0.62rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent-color);
    margin: 0 0 1.25rem;
    padding-left: 0.5rem;
    opacity: 0.85;
}

.about--premium .experience-timeline-horizontal {
    margin: 0;
    padding-bottom: 0.5rem;
}

.about--premium .timeline-line {
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.45), transparent);
    height: 1px;
}

.about--premium .timeline-dot {
    background: var(--accent-color);
    box-shadow: 0 0 12px rgba(212, 175, 55, 0.45);
}

.about--premium .timeline-item:hover .timeline-dot {
    transform: scale(1.25);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .about-lead {
        grid-template-columns: 1fr;
    }

    .about-highlights {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .about-visual-row {
        grid-template-columns: 1fr;
    }

    .about-frame {
        max-width: 420px;
        margin: 0 auto;
        width: 100%;
    }

    .stats-grid--premium {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .stats-grid--premium {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .about-highlights {
        grid-template-columns: 1fr;
    }

    .stats-grid--premium {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .about--premium .about-highlight:hover,
    .stats-grid--premium .stat-item:hover {
        transform: none;
    }
}