/* Custom Properties */
:root {
    --bg-color: #050505;
    --card-bg: rgba(24, 24, 27, 0.4);
    --card-border: rgba(255, 255, 255, 0.05);
    --card-border-hover: rgba(255, 255, 255, 0.15);
    
    --text-primary: #F8FAFC;
    --text-secondary: #A1A1AA;
    
    --accent-blue: #3B82F6;
    --accent-purple: #8B5CF6;
    --glow-spread: 30px;
    
    --font-main: 'Inter', system-ui, sans-serif;
    
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 8px;
    
    --transition-fast: 0.2s ease-out;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
    padding: 2rem;
}

/* Background Ambient Glow */
body::before {
    content: '';
    position: fixed;
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vh;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, rgba(5, 5, 5, 0) 70%);
    z-index: -1;
}

body::after {
    content: '';
    position: fixed;
    bottom: -10%;
    right: -10%;
    width: 60vw;
    height: 60vh;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(5, 5, 5, 0) 70%);
    z-index: -1;
}

.bento-container {
    max-width: 1100px;
    width: 100%;
}

.bento-header {
    margin-bottom: 3rem;
    position: relative;
}

.name {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    background: linear-gradient(to right, var(--text-primary), #cbd5e1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.headline {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 1.5rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--card-border-hover);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5), 
                0 0 var(--glow-spread) rgba(59, 130, 246, 0.05);
}

.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover::before {
    opacity: 1;
}

/* Grid Layout Tweaks for 3 columns */
.card-intro { grid-column: span 2; }
.card-connect { grid-column: span 1; grid-row: span 2;}
.card-research { grid-column: span 2; }
.card-experience { grid-column: span 1;  }
.card-tech { grid-column: span 2; }

.card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.content-text {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

/* Intro specific */
.card-intro {
    flex-direction: row;
    align-items: center;
    gap: 2rem;
}

.avatar-container {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    padding: 4px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
}

.avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--bg-color);
}

.intro-text p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Tech List */
.tech-list {
    list-style: none;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.tech-list li span {
    color: var(--text-primary);
    font-weight: 500;
    margin-right: 0.5rem;
}

/* Connect Links */
.social-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    height: 100%;
    justify-content: center;
}

.btn-social, .btn-email {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.btn-social {
    background: rgba(255,255,255,0.03);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
}

.btn-social:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.2);
}

.btn-email {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: #fff;
    border: none;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.2);
}

.btn-email:hover {
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
    transform: scale(1.02);
}

/* Responsiveness */
@media (max-width: 1024px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .card-intro { grid-column: span 2; }
    .card-research { grid-column: span 2; }
    .card-experience { grid-column: span 1; grid-row: span 1; }
    .card-tech { grid-column: span 2; }
    .card-connect { grid-column: span 1; }
}

@media (max-width: 768px) {
    .bento-grid {
        grid-template-columns: 1fr;
    }
    .card-intro, .card-research, .card-experience, .card-tech, .card-connect {
        grid-column: span 1;
        grid-row: auto;
    }
    .card-intro {
        flex-direction: column;
        text-align: center;
    }
}