.about-hero {
    padding: 10rem 2rem 6rem;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.about-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
}

.about-hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.about-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-color) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.about-hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.about-section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.about-container {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.about-intro {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: start;
}

.profile-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    position: sticky;
    top: 120px;
}

.profile-image {
    margin-bottom: 1.5rem;
}

.profile-image i {
    font-size: 4rem;
    color: var(--primary-color);
}

.profile-card h2 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.profile-card .title {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.profile-card .location {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.intro-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.intro-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.expertise-section h2,
.philosophy-section h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-color);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.expertise-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.expertise-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.expertise-card:hover::before {
    transform: scaleX(1);
}

.expertise-icon {
    margin-bottom: 1.5rem;
}

.expertise-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.expertise-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.expertise-card p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tags span {
    padding: 0.25rem 0.75rem;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--primary-color);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.philosophy-item {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.philosophy-item:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
}

.philosophy-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.philosophy-item h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.philosophy-item p {
    color: var(--text-muted);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .about-hero h1 {
        font-size: 2.5rem;
    }

    .about-intro {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .profile-card {
        position: static;
        order: -1;
    }

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

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

    .expertise-section h2,
    .philosophy-section h2 {
        font-size: 2rem;
    }
}