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

:root {
    --primary-bg: #0a0e27;
    --secondary-bg: #1a1f3a;
    --accent-color: #6366f1;
    --accent-hover: #818cf8;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --card-bg: rgba(30, 41, 59, 0.5);
    --border-color: rgba(99, 102, 241, 0.2);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
    transition: background 0.3s ease;
}

/* Animated background particles */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
    z-index: -1;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(1deg); }
}

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

/* Header Section */
header {
    text-align: center;
    padding: 3rem 0;
    position: relative;
}

.header-content {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.header-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(99, 102, 241, 0.2);
}

.profile-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.profile-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 4px solid var(--accent-color);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    object-fit: cover;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
}

.profile-image:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.8);
}

.profile-info h1 {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.5)); }
    to { filter: drop-shadow(0 0 20px rgba(99, 102, 241, 0.8)); }
}

.tagline {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 1rem;
}

/* Section Styles */
.section {
    margin: 2rem 0;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.section:nth-child(1) { animation-delay: 0.1s; }
.section:nth-child(2) { animation-delay: 0.2s; }
.section:nth-child(3) { animation-delay: 0.3s; }
.section:nth-child(4) { animation-delay: 0.4s; }
.section:nth-child(5) { animation-delay: 0.5s; }

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

.section-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.section-card:hover {
    transform: translateX(10px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.section h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section h2::before {
    content: '';
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), transparent);
    display: inline-block;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.skill-item {
    background: rgba(99, 102, 241, 0.1);
    border-radius: 10px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.skill-item:hover {
    background: rgba(99, 102, 241, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.skill-name {
    font-weight: 600;
    color: var(--text-primary);
}

.skill-level {
    color: var(--accent-color);
    font-size: 0.9rem;
}

.skill-bar {
    width: 100%;
    height: 8px;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-hover));
    border-radius: 10px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-progress.animate {
    animation: none;
}

/* Education & Experience */
.timeline-item {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1.5rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-color);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

.timeline-item h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.timeline-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

/* Buttons */
.button-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.btn {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
}

.btn-secondary:hover {
    background: var(--accent-color);
    color: white;
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem 0 2rem;
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .profile-info h1 {
        font-size: 2rem;
    }
    
    .section h2 {
        font-size: 1.5rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        padding: 2rem 1.5rem;
    }
    
    .profile-section {
        flex-direction: column;
    }
    
    .button-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .profile-info h1 {
        font-size: 1.5rem;
    }
    
    .tagline {
        font-size: 1rem;
    }
    
    .section h2 {
        font-size: 1.3rem;
    }
    
    .section-card {
        padding: 1.5rem;
    }
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--primary-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-hover);
}

/* Loading animation for skills */
@keyframes skillLoad {
    0% {
        width: 0;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    100% {
        opacity: 1;
    }
}