:root {
    --primary: #2563eb;
    --text-main: #1f2937;
    --text-muted: #4b5563;
    --bg-card: #f9fafb;
}

.about-container {
    max-width: 1000px;
    margin: 100px auto;
    padding: 0 2rem;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-main);
}

/* Header */
.hero-intro {
    border-left: 4px solid var(--primary);
    padding-left: 1.5rem;
    margin-bottom: 3.5rem;
}

.hero-intro h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin: 0;
    letter-spacing: -0.5px;
}

.hero-intro p {
    font-size: 1.15rem;
    color: var(--primary);
    font-weight: 600;
    margin-top: 0.6rem;
}

/* Grid Layout */
.about-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 3.5rem;
}

/* Bio Content */
.bio-content p {
    font-size: 1.08rem;
    line-height: 1.8;
    margin-bottom: 1.6rem;
    color: var(--text-muted);
}

/* Sidebar Cards */
.tech-box {
    background: var(--bg-card);
    padding: 1.8rem;
    border-radius: 14px;
    border: 1px solid #e5e7eb;
    margin-bottom: 2rem;
}

.tech-box h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
    margin-bottom: 1rem;
}

.tech-tag {
    display: inline-block;
    background: #ffffff;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin: 6px 6px 0 0;
    border: 1px solid #d1d5db;
}

/* Links */
.cta-links {
    margin-top: 2.2rem;
    display: flex;
    gap: 2rem;
}

.cta-links a {
    text-decoration: none;
    font-weight: 600;
    color: var(--text-main);
    border-bottom: 1px solid var(--text-main);
    padding-bottom: 3px;
    transition: 0.25s ease;
}

.cta-links a:hover {
    color: var(--primary);
    border-color: var(--primary);
}

@media (max-width: 850px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
}