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

:root {
    --primary-color: #0066cc;
    --secondary-color: #00b4d8;
    --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --dark-bg: #0a1929;
    --darker-bg: #050d15;
    --card-bg: #132f4c;
    --text-primary: #ffffff;
    --text-secondary: #b0bec5;
    --accent-color: #ffc107;
    --success-color: #4caf50;
    --border-color: #1e3a5f;
    --glow-color: rgba(0, 180, 216, 0.4);
    --expert-color: #00ff88;
    --advanced-color: #00b4d8;
}

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 */
nav {
    background-color: rgba(10, 25, 41, 0.95);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav .logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--secondary-color);
}

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

nav a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

nav a:hover {
    color: var(--secondary-color);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 50%, #1a3a52 100%);
    position: relative;
    overflow: hidden;
    padding: 100px 20px 60px;
}

/* Animated Particle Background */
.particles-background {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
}

.particles-background::before,
.particles-background::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    animation: particle-float 15s ease-in-out infinite;
}

.particles-background::before {
    background: radial-gradient(circle, #667eea, #764ba2);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.particles-background::after {
    background: radial-gradient(circle, #00b4d8, #0066cc);
    bottom: -200px;
    left: -200px;
    animation-delay: 7s;
}

@keyframes particle-float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(50px, -50px) scale(1.1);
    }

    66% {
        transform: translate(-50px, 50px) scale(0.9);
    }
}

.hero-section::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 180, 216, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    top: -250px;
    right: -250px;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

.hero-content {
    text-align: center;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: rgba(0, 180, 216, 0.1);
    border: 1px solid var(--secondary-color);
    color: var(--secondary-color);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(0, 180, 216, 0.7);
    }

    50% {
        box-shadow: 0 0 0 10px rgba(0, 180, 216, 0);
    }
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
    position: relative;
}

.typing-effect {
    display: inline-block;
    position: relative;
}

.typing-effect::after {
    content: '|';
    position: absolute;
    right: -15px;
    animation: blink 1s step-start infinite;
    color: var(--secondary-color);
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

.gradient-text {
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

/* Stats Mini Counter */
.stats-mini {
    display: flex;
    gap: 3rem;
    justify-content: center;
    margin: 2rem 0;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    display: block;
}

.stat-number::after {
    content: '+';
    font-size: 1.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.3rem;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn span {
    position: relative;
    z-index: 1;
}

.btn .arrow {
    position: relative;
    z-index: 1;
    transition: transform 0.3s;
}

.btn:hover .arrow {
    transform: translateX(5px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(0, 180, 216, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 180, 216, 0.5);
}

.btn-secondary {
    background: transparent;
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.btn-secondary:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 180, 216, 0.3);
}

/* Section Styles */
section {
    padding: 80px 20px;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    box-shadow: 0 0 20px var(--glow-color);
}

/* Statistics Section */
.stats-section {
    background: linear-gradient(135deg, var(--darker-bg) 0%, #0d1b2a 100%);
    padding: 60px 20px;
    position: relative;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width=\"100\" height=\"100\" xmlns=\"http://www.w3.org/2000/svg\"><circle cx=\"2\" cy=\"2\" r=\"1\" fill=\"rgba(0,180,216,0.1)\"/></svg>');
    opacity: 0.3;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.stat-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 180, 216, 0.1), transparent);
    transition: left 0.6s;
}

.stat-card:hover::before {
    left: 100%;
}

.stat-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 180, 216, 0.3);
    border-color: var(--secondary-color);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px var(--glow-color));
}

.stat-number-large {
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 1rem 0;
}

.stat-number-large::after {
    content: '+';
    font-size: 2rem;
}

.stat-text {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.stat-bar {
    height: 4px;
    background: var(--darker-bg);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.stat-bar::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    animation: stat-fill 2s ease-out forwards;
    animation-delay: 0.5s;
}

@keyframes stat-fill {
    to {
        width: 100%;
    }
}

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

.about-content {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
}

.intro-text {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.highlight-list {
    list-style: none;
    margin: 1.5rem 0;
}

.highlight-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.subsection-title {
    color: var(--secondary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.services-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.services-list li {
    background: var(--card-bg);
    padding: 1rem;
    border-radius: 8px;
    border-left: 3px solid var(--secondary-color);
}

.cta-text {
    margin-top: 2rem;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* Skills Section */
.skills-section {
    background-color: var(--dark-bg);
    position: relative;
}

.skills-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.skill-category-advanced {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: all 0.4s;
}

.skill-category-advanced:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 180, 216, 0.2);
}

.category-title {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-bars {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skill-bar-item {
    position: relative;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.8rem;
}

.skill-name {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1rem;
}

.skill-percentage {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.95rem;
}

.progress-bar {
    height: 8px;
    background: var(--darker-bg);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

.progress-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), #667eea);
    border-radius: 10px;
    position: relative;
    transition: width 1.5s cubic-bezier(0.65, 0, 0.35, 1);
    box-shadow: 0 0 10px var(--glow-color);
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

/* Technology Cloud */
.tech-cloud {
    text-align: center;
    margin-top: 3rem;
}

.tech-tags-advanced {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.tech-tag-3d {
    background: var(--card-bg);
    color: var(--text-primary);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    border: 2px solid var(--border-color);
    transition: all 0.3s;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.tech-tag-3d::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.tech-tag-3d:hover::before {
    left: 100%;
}

.tech-tag-3d[data-level=\"expert\"] {
    border-color: var(--expert-color);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.2);
}

.tech-tag-3d[data-level=\"expert\"]:hover {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.2), rgba(0, 180, 216, 0.2));
    border-color: var(--expert-color);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 25px rgba(0, 255, 136, 0.4);
}

.tech-tag-3d[data-level=\"advanced\"] {
    border-color: var(--advanced-color);
    box-shadow: 0 0 15px rgba(0, 180, 216, 0.2);
}

.tech-tag-3d[data-level=\"advanced\"]:hover {
    background: linear-gradient(135deg, rgba(0, 180, 216, 0.2), rgba(102, 126, 234, 0.2));
    border-color: var(--advanced-color);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 25px rgba(0, 180, 216, 0.4);
}

/* Experience Section */
.experience-section {
    background-color: var(--darker-bg);
}

.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    padding-left: 50px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
}

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

.timeline-marker {
    position: absolute;
    left: -37px;
    top: 0;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--secondary-color);
    border: 3px solid var(--dark-bg);
    box-shadow: 0 0 0 3px var(--primary-color);
}

.timeline-content {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
}

.timeline-content:hover {
    transform: translateX(5px);
}

.job-title {
    color: var(--secondary-color);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.company-name {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.job-duration {
    color: var(--accent-color);
    font-size: 0.95rem;
    margin-bottom: 0.3rem;
}

.job-location,
.job-type {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.job-description {
    margin-top: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Projects Section */
.projects-section {
    background-color: var(--dark-bg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 180, 216, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s;
}

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

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 180, 216, 0.3);
    border-color: var(--secondary-color);
}

.project-title {
    color: var(--secondary-color);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.project-company {
    color: var(--accent-color);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-highlights h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.project-highlights ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.project-highlights li {
    color: var(--text-secondary);
    padding: 0.3rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.project-highlights li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tech-tag {
    background: var(--darker-bg);
    color: var(--secondary-color);
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
}

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

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.education-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
}

.education-card:hover {
    transform: translateY(-5px);
}

.degree-title {
    color: var(--secondary-color);
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.degree-field {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.institution {
    color: var(--accent-color);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.education-years {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.grade {
    color: var(--success-color);
    font-weight: 600;
    margin-top: 0.5rem;
}

/* Contact Section */
.contact-section {
    background-color: var(--dark-bg);
}

.contact-intro {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 180, 216, 0.2);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-card h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.contact-card p {
    color: var(--text-secondary);
    margin: 0.5rem 0;
}

.contact-card a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
}

.contact-card a:hover {
    color: var(--secondary-color);
}

/* Footer */
.footer {
    background-color: var(--darker-bg);
    padding: 2rem 20px;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer p {
    color: var(--text-secondary);
    margin: 0.5rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

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

    .hero-description {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .stats-mini {
        gap: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    nav ul {
        flex-direction: column;
        gap: 1rem;
    }

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

    .skills-showcase,
    .projects-grid,
    .education-grid,
    .contact-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .skill-category-advanced {
        padding: 1.5rem;
    }

    .skills-showcase {
        grid-template-columns: 1fr;
    }

    .timeline {
        padding-left: 30px;
    }

    .timeline::before {
        left: 10px;
    }

    .timeline-marker {
        left: -27px;
    }

    .stat-number-large {
        font-size: 2.5rem;
    }
}

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

    .container {
        padding: 0 15px;
    }

    section {
        padding: 60px 15px;
    }

    .stats-mini {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-badge {
        font-size: 0.8rem;
        padding: 6px 15px;
    }

    .btn {
        padding: 10px 25px;
        font-size: 0.9rem;
    }
}

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

/* Selection Color */
::selection {
    background-color: var(--secondary-color);
    color: white;
}


.project-company {
    display: none;
}