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

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --dark-bg: #0f172a;
    --light-bg: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s;
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px 50px;
    position: relative;
    overflow: hidden;
}

#particleCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInLeft 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    min-height: 2rem;
}

.hero-subtitle::after {
    content: '|';
    animation: blink 0.7s infinite;
    margin-left: 2px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.hero-image {
    animation: fadeInRight 1s ease-out;
}

.image-wrapper {
    position: relative;
    width: 400px;
    height: 400px;
    margin: 0 auto;
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 5px solid var(--primary-color);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.3);
    position: relative;
    z-index: 1;
}

.image-border {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border-radius: 50%;
    background: var(--gradient);
    opacity: 0.3;
    animation: pulse 3s infinite;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-indicator span {
    display: block;
    width: 20px;
    height: 30px;
    border: 2px solid var(--text-secondary);
    border-radius: 15px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--text-secondary);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

/* Section Styles */
section {
    padding: 100px 20px;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient);
    border-radius: 2px;
}

/* About Section */
.about {
    background: var(--light-bg);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text {
    text-align: center;
}

.about-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 15px;
    transition: transform 0.3s;
}

.stat-item:hover {
    transform: translateY(-10px);
}

.stat-item h3 {
    font-size: 2.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--text-secondary);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 15px;
    transition: transform 0.3s;
}

.skill-category:hover {
    transform: translateY(-10px);
}

.skill-category h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.skill-bar {
    height: 10px;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 5px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient);
    border-radius: 5px;
    animation: fillBar 1.5s ease-out;
}

/* Education Section */
.education {
    background: var(--light-bg);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--gradient);
}

.timeline-item {
    display: flex;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-dot {
    width: 20px;
    height: 20px;
    background: var(--gradient);
    border-radius: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.timeline-content {
    width: 45%;
    background: rgba(99, 102, 241, 0.1);
    padding: 2rem;
    border-radius: 15px;
    transition: transform 0.3s;
}

.timeline-content:hover {
    transform: scale(1.05);
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.timeline-date {
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--light-bg);
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s;
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(236, 72, 153, 0.3));
    position: relative;
    overflow: hidden;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    color: white;
    font-size: 2rem;
    transition: transform 0.3s;
}

.project-link:hover {
    transform: scale(1.2);
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

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

.project-tags span {
    padding: 0.3rem 1rem;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--primary-color);
}

/* Courses Section */
.courses {
    background: var(--light-bg);
}

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

.course-card {
    background: rgba(99, 102, 241, 0.1);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s;
}

.course-card:hover {
    transform: translateY(-10px);
}

.course-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.course-card h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.course-card p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.course-description {
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.social-link {
    width: 50px;
    height: 50px;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.5rem;
    transition: all 0.3s;
}

.social-link:hover {
    background: var(--gradient);
    color: white;
    transform: translateY(-5px);
}

.contact-details {
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.contact-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.contact-form {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 15px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(99, 102, 241, 0.1);
    border: 2px solid transparent;
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background: var(--light-bg);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-secondary);
}

.footer i {
    color: var(--accent-color);
}

/* Animations */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.5;
    }
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(15px);
    }
}

@keyframes fillBar {
    from {
        width: 0;
    }
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--dark-bg);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .image-wrapper {
        width: 300px;
        height: 300px;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 0;
    }

    .timeline-item {
        flex-direction: column !important;
    }

    .timeline-dot {
        left: 0;
        transform: translateX(0);
    }

    .timeline-content {
        width: 100%;
        margin-left: 30px;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2rem;
    }
}