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

:root {
    --bg-color: #000000;
    --text-color: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #00d4ff;
    --accent-hover: #00b8e6;
    --border-color: #333;
    --card-bg: rgba(255, 255, 255, 0.05);
    --gradient: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Canvas for particle background */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

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

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

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

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

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

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 100px 2rem 2rem;
}

.hero-container {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.tech-stack-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 500px;
}

.profile-image {
    position: relative;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    z-index: 2;
    background: white;
    padding: 10px;
}

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

.profile-glow {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: 50%;
    background: var(--gradient);
    opacity: 0.3;
    filter: blur(20px);
    z-index: -1;
    animation: pulse 2s infinite;
}

.tech-icon {
    position: absolute;
    width: 80px;
    height: 80px;
    background: var(--card-bg);
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.tech-icon:hover {
    transform: scale(1.1);
    background: rgba(0, 212, 255, 0.1);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.tech-js {
    top: 50px;
    left: 50px;
    animation: float 3s ease-in-out infinite;
}

.tech-mongo {
    top: 20px;
    left: 150px;
    animation: float 3s ease-in-out infinite 0.3s;
}

.tech-java {
    top: 50px;
    right: 50px;
    animation: float 3s ease-in-out infinite 0.5s;
}

.tech-spring {
    bottom: 50px;
    left: 50px;
    animation: float 3s ease-in-out infinite 1s;
}

.tech-sql {
    bottom: 50px;
    right: 50px;
    animation: float 3s ease-in-out infinite 1.5s;
}

.tech-docker {
    top: 120px;
    left: 20px;
    animation: float 3s ease-in-out infinite 2s;
}

.tech-laravel {
    bottom: 20px;
    left: 150px;
    animation: float 3s ease-in-out infinite 2.5s;
}

.tech-react {
    top: 120px;
    right: 20px;
    animation: float 3s ease-in-out infinite 3s;
}
.hero-content {
    .tech-react-js {
        top: 200px;
        left: 80px;
        animation: float 3s ease-in-out infinite 3.3s;
    }

    .tech-redis {
        top: 180px;
        right: 80px;
        animation: float 3s ease-in-out infinite 3.6s;
    }

    .tech-rabbitmq {
        bottom: 80px;
        left: 80px;
        animation: float 3s ease-in-out infinite 3.9s;
    }

    .tech-elasticsearch {
        bottom: 120px;
        right: 120px;
        animation: float 3s ease-in-out infinite 4.2s;
    }

    text-align: left;
}

.hero-title .greeting {
    display: block;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.hero-title .name {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.hero-title .title {
    display: block;
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 2rem 0;
    line-height: 1.8;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--gradient);
    color: var(--bg-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

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

.btn-outline:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    transform: translateY(-2px);
}

/* Sections */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* About Section */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

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

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.skill-category h4 {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

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

.skill-tags span {
    background: var(--card-bg);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
}

/* Current Roles Section */
.devrel {
    background: rgba(0, 212, 255, 0.02);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.devrel-content {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
}

.devrel-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 2px solid var(--accent-color);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    max-width: 600px;
    width: 100%;
}

.devrel-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
}

.devrel-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
    border-color: var(--accent-hover);
}

.role-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.role-header h3 {
    color: var(--text-color);
    font-size: 1.4rem;
    font-weight: 600;
    margin: 0;
}

.role-duration {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-color);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--accent-color);
    white-space: nowrap;
}

.role-card h4 {
    color: var(--accent-color);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.role-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.role-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.role-card li {
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.5;
}

.role-card li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: calc(50% - 1px);
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient);
    z-index: 0;
}

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

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

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

.timeline-date {
    flex: 0 0 200px;
    text-align: center;
    color: var(--accent-color);
    font-weight: 600;
    padding: 1rem;
    position: relative;
}

.timeline-date::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    border-radius: 50%;
    top: 50%;
    right: -6px;
    transform: translateY(-50%);
    z-index: 2;
}

.timeline-item:nth-child(even) .timeline-date::after {
    right: auto;
    left: -6px;
    z-index: 2;
}

.timeline-content {
    flex: 1;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin: 0 2rem;
    position: relative;
    z-index: 1;
}

.company-icon {
    position: absolute;
    top: -20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: white;
    border: 3px solid var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    overflow: hidden;
    padding: 5px;
}

.company-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.company-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.timeline-content h3 {
    color: var(--accent-color);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.timeline-content ul {
    list-style: none;
    padding: 0;
}

.timeline-content li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.timeline-content li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* Projects Section */
.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 0.3s ease;
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.1);
    border-color: var(--accent-color);
}

/* Project Carousel */
.project-carousel {
    position: relative;
    margin: -2rem -2rem 1.5rem -2rem;
    height: 200px;
    overflow: hidden;
    border-radius: 12px 12px 0 0;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.carousel-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
    transform: translateY(-50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-carousel:hover .carousel-nav {
    opacity: 1;
}

.carousel-btn {
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.carousel-btn:hover {
    background: rgba(0, 212, 255, 0.8);
    transform: scale(1.1);
}

.carousel-dots {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--accent-color);
    transform: scale(1.2);
}

.dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.project-header h3 {
    color: var(--text-color);
    font-size: 1.3rem;
}

.project-link {
    color: var(--accent-color);
    transition: all 0.3s ease;
}

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

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

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

.project-tech span {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-color);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    border: 1px solid var(--accent-color);
}

/* Contact Section */
.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

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

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-method {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-method:hover {
    border-color: var(--accent-color);
    background: rgba(0, 212, 255, 0.05);
    transform: translateY(-2px);
}

.contact-method svg {
    color: var(--accent-color);
}

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

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

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        border-top: 1px solid var(--border-color);
        z-index: 999;
    }

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

    .nav-menu li {
        margin: 1rem 0;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .tech-stack-container {
        height: 300px;
        margin-bottom: 2rem;
    }

    .profile-image {
        width: 150px;
        height: 150px;
    }

    .tech-icon {
        width: 60px;
        height: 60px;
        font-size: 0.7rem;
    }

    .tech-js, .tech-java {
        top: 30px;
    }

    .tech-spring, .tech-sql {
        bottom: 30px;
    }

    .tech-js, .tech-spring {
        left: 30px;
    }

    .tech-java, .tech-sql {
        right: 30px;
    }

    .tech-mongo {
        top: 10px;
        left: 100px;
    }

    .tech-docker {
        top: 80px;
        left: 10px;
    }

    .tech-laravel {
        bottom: 10px;
        left: 100px;
    }

    .tech-react {
        top: 80px;
        right: 10px;
    }

    .tech-react-js {
        top: 140px;
        left: 60px;
    }

    .tech-redis {
        top: 120px;
        right: 60px;
    }

    .tech-rabbitmq {
        bottom: 60px;
        left: 60px;
    }

    .tech-elasticsearch {
        bottom: 80px;
        right: 80px;
    }

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

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

    .hero-buttons {
        justify-content: center;
    }

    .container {
        padding: 0 1rem;
    }

    .devrel-content {
        padding: 0 1rem;
    }

    .role-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .role-duration {
        align-self: flex-start;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-item {
        flex-direction: column !important;
        padding-left: 60px;
        margin-bottom: 2rem;
    }

    .timeline-date {
        flex: none;
        text-align: left;
        padding: 0;
        margin-bottom: 1rem;
        font-size: 0.9rem;
    }

    .timeline-date::after,
    .timeline-item:nth-child(even) .timeline-date::after {
        left: -35px;
        right: auto !important;
        width: 10px;
        height: 10px;
    }

    .timeline-content {
        margin: 0;
        padding: 1.5rem;
    }

    .company-icon {
        top: 15px;
        right: 15px;
        width: 50px;
        height: 50px;
        padding: 3px;
    }

    .company-icon img {
        width: 100%;
        height: 100%;
    }

    .timeline-content h3 {
        font-size: 1.2rem;
    }

    .timeline-content h4 {
        font-size: 0.9rem;
    }

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

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-carousel {
        height: 180px;
    }

    .carousel-btn {
        width: 35px;
        height: 35px;
        font-size: 1.2rem;
    }

    .carousel-nav {
        opacity: 1;
        padding: 0 0.5rem;
    }
}

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

    .hero-title .title {
        font-size: 0.9rem;
    }

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

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}