.bio-hero {
    padding: 140px 0 80px;
    position: relative;
}

.bio-hero-content {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 56px;
    align-items: center;
}

.bio-hero-photo-wrap {
    position: relative;
    width: 260px;
    height: 340px;
}

.bio-hero-photo-border {
    position: absolute;
    inset: -4px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--accent-gold), transparent, var(--accent-gold));
    opacity: 0.5;
}

.bio-hero-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
    position: relative;
    z-index: 1;
}

.bio-hero-name {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.bio-hero-intro {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    max-width: 560px;
}

.bio-timeline {
    padding: 80px 0 120px;
    background: var(--bg-secondary);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-gold), var(--border-color), var(--accent-gold));
}

.timeline-item {
    position: relative;
    padding-left: 100px;
    margin-bottom: 40px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: 12px;
    top: 24px;
    z-index: 2;
}

.timeline-year {
    width: 56px;
    height: 28px;
    border-radius: 6px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0.5px;
    position: relative;
    z-index: 3;
}

.timeline-year-gold {
    background: var(--bg-primary);
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.timeline-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 32px;
    transition: all 0.4s ease;
}

.timeline-card:hover {
    border-color: var(--border-hover);
    transform: translateX(4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.timeline-card-gold {
    border-color: rgba(218, 165, 32, 0.3);
    background: linear-gradient(135deg, var(--bg-card), rgba(218, 165, 32, 0.05));
}

.timeline-card-gold:hover {
    border-color: var(--accent-gold);
    box-shadow: 0 8px 40px rgba(218, 165, 32, 0.15);
}

.timeline-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.timeline-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 12px;
    background: var(--accent-gold-dim);
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-icon svg {
    width: 22px;
    height: 22px;
    color: var(--accent-gold);
}

.timeline-icon-blue {
    background: rgba(56, 189, 248, 0.12);
}

.timeline-icon-blue svg {
    color: #38bdf8;
}

.timeline-icon-green {
    background: var(--accent-green-dim);
}

.timeline-icon-green svg {
    color: var(--accent-green);
}

.timeline-icon-gold {
    background: var(--accent-gold-dim);
    border: 1px solid rgba(218, 165, 32, 0.3);
}

.timeline-icon-gold svg {
    color: var(--accent-gold);
}

.timeline-title {
    font-size: 1.2rem;
    font-weight: 700;
}

.timeline-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    letter-spacing: 0.5px;
}

.timeline-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.timeline-desc strong {
    color: var(--text-primary);
    font-weight: 600;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

@media (max-width: 768px) {
    .bio-hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .bio-hero-photo-wrap {
        width: 200px;
        height: 260px;
        margin: 0 auto;
    }

    .bio-hero-intro {
        margin: 0 auto;
    }

    .founder-roles {
        justify-content: center;
    }

    .timeline-line {
        left: 20px;
    }

    .timeline-item {
        padding-left: 64px;
    }

    .timeline-marker {
        left: 0;
    }

    .timeline-year {
        width: 40px;
        font-size: 0.6rem;
    }

    .timeline-card {
        padding: 24px 20px;
    }

    .timeline-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}