:root {
    --bg-color: #0f172a; /* Slate 900 */
    --text-primary: #f8fafc; /* Slate 50 */
    --text-secondary: #94a3b8; /* Slate 400 */
    --accent-color: #3b82f6; /* Blue 500 */
    --accent-glow: rgba(59, 130, 246, 0.5);
    --glass-bg: rgba(30, 41, 59, 0.7); /* Slate 800 with opacity */
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

.background-animation {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(59, 130, 246, 0.05) 0%, transparent 40%);
    animation: rotate 60s linear infinite;
    z-index: -1;
    pointer-events: none;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

/* Hero Section */
.hero {
    margin: 2rem;
    padding: 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    animation: slideDown 0.8s ease-out forwards;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

.profile-pic-container {
    width: 150px;
    height: 150px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    padding: 4px;
    background: linear-gradient(135deg, var(--accent-color), #8b5cf6);
    box-shadow: 0 0 20px var(--accent-glow);
}

.profile-pic-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--bg-color);
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #fff, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--accent-color);
    font-weight: 400;
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.contact-info a, .contact-info span {
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.contact-info a:hover {
    color: var(--accent-color);
}

/* Sections */
.section {
    padding: 2rem;
    margin-bottom: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.section:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.4);
}

.section-title {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.75rem;
}

.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.vertical-group {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}
.vertical-group .section {
    margin-bottom: 0;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 1.5rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 2px;
    background: var(--glass-border);
}

.timeline-item {
    position: relative;
    margin-bottom: 1.5rem;
}

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

.timeline-dot {
    position: absolute;
    left: -1.85rem;
    top: 0.25rem;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-color);
    border: 3px solid var(--bg-color);
    box-shadow: 0 0 10px var(--accent-glow);
}

.timeline-content h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.timeline-content .institution {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.timeline-content .year {
    display: inline-block;
    margin-top: 0.5rem;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--accent-color);
}

/* Skills */
.skills-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skill-category h4 {
    margin-bottom: 1rem;
    color: #e2e8f0;
}

.skill-list {
    list-style: none;
}

.skill-list li {
    margin-bottom: 0.75rem;
    position: relative;
    padding-left: 1.5rem;
}

.skill-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* Tags (Languages/Interests) */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tag {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tag:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--accent-color);
    transform: scale(1.05);
}

/* Misc */
.cert-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cert-item i {
    font-size: 2rem;
    color: #f59e0b; /* Amber */
}

.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .grid-2-col {
        grid-template-columns: 1fr;
    }
    
    .hero {
        margin: 1rem;
        padding: 2rem 1rem;
    }
    
    h1 {
        font-size: 2.2rem;
    }
    
    .contact-info {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
}

/* Social Links & Buttons */
.social-links {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.2rem;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.btn-social:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px var(--accent-glow);
}

.btn-primary {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.8rem 1.5rem;
    background: var(--accent-color);
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    background: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

.btn-primary i {
    margin-right: 0.5rem;
}

/* Typing Animation */
.cursor {
    display: inline-block;
    width: 3px;
    background-color: var(--accent-color);
    margin-left: 2px;
    animation: blink 1s infinite;
}
.cursor.typing {
    animation: none;
}
@keyframes blink {
    0% { background-color: var(--accent-color); }
    49% { background-color: var(--accent-color); }
    50% { background-color: transparent; }
    99% { background-color: transparent; }
    100% { background-color: var(--accent-color); }
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    background: rgba(59, 130, 246, 0.05);
}

.project-card h4 {
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.project-tech {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-style: italic;
}