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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-card: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --accent-primary: #3b82f6;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);
    --glow: 0 0 20px rgba(59, 130, 246, 0.3);
    --border: rgba(255, 255, 255, 0.1);
}

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

}


.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.bg-animation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 255, 136, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 136, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridPulse 6s ease-in-out infinite;
}


.data-node {
    position: absolute;
    width: 8px;
    height: 8px;
    background: rgba(0, 255, 136, 0.8);
    border-radius: 50%;
    box-shadow:
        0 0 10px rgba(0, 255, 136, 0.6),
        0 0 20px rgba(0, 255, 136, 0.3);
    animation: nodeFloat 12s linear infinite;
}

.geo-shape {
    position: absolute;
    border: 1px solid rgba(0, 255, 136, 0.3);
    background: rgba(0, 255, 136, 0.02);
    animation: geoRotate 20s linear infinite;
}

.geo-shape.square {
    width: 60px;
    height: 60px;
}

.geo-shape.diamond {
    width: 40px;
    height: 40px;
    transform: rotate(45deg);
}

.geo-shape.hexagon {
    width: 50px;
    height: 50px;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

.connection-line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg,
            transparent 0%,
            rgba(0, 255, 136, 0.4) 30%,
            rgba(0, 255, 136, 0.4) 70%,
            transparent 100%);
    animation: connectionPulse 4s ease-in-out infinite;
}

.holo-orb {
    position: absolute;
    width: 120px;
    height: 120px;
    border: 2px solid rgba(0, 255, 136, 0.4);
    border-radius: 50%;
    background: radial-gradient(circle,
            rgba(0, 255, 136, 0.1) 0%,
            rgba(0, 255, 136, 0.05) 50%,
            transparent 100%);
    animation: holoFloat 15s ease-in-out infinite;
}

.holo-orb::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80%;
    height: 80%;
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: innerOrb 8s linear infinite reverse;
}

@keyframes gridPulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.2;
    }
}


@keyframes nodeFloat {
    0% {
        transform: translate(0, 100vh);
        opacity: 0;
    }

    10%,
    90% {
        opacity: 1;
    }

    100% {
        transform: translate(50px, -100px);
        opacity: 0;
    }
}

@keyframes geoRotate {
    0% {
        transform: rotate(0deg) scale(1);
        opacity: 0.3;
    }

    50% {
        opacity: 0.6;
    }

    100% {
        transform: rotate(360deg) scale(1);
        opacity: 0.3;
    }
}

@keyframes connectionPulse {

    0%,
    100% {
        opacity: 0.2;
    }

    50% {
        opacity: 0.8;
    }
}

@keyframes holoFloat {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.6;
    }

    50% {
        transform: translate(-20px, -30px) scale(1.1);
        opacity: 0.8;
    }
}

@keyframes innerOrb {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width 0.3s ease;
}

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

main {
    margin-top: 80px;
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero-content h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.3));
    }

    to {
        filter: drop-shadow(0 0 30px rgba(139, 92, 246, 0.5));
    }
}

.hero-content .subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.location-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.location-icon {
    width: 20px;
    height: 20px;
    opacity: 0.7;
}

.contact-bubbles {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-bubble {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 50%;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.contact-bubble::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-gradient);
    transition: left 0.3s ease;
    z-index: -1;
}

.contact-bubble:hover {
    border-color: var(--accent-primary);
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--glow);
}

.contact-bubble:hover::before {
    bottom: 0;
}

.contact-bubble svg {
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
}

.contact-bubble:hover svg {
    transform: scale(1.2);
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.4);
}

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

.btn-secondary:hover {
    border-color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.1);
}


.about {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.about-text h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.tech-card {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    cursor: pointer;
}

.tech-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: var(--glow);
}

.tech-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    display: block;
}

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

.tech-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.projects {
    padding: 6rem 0;
}

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

.project-card {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-primary);
}

.project-image {
    height: 200px;
    background: var(--accent-gradient);
    position: relative;
    overflow: hidden;
}

.project-image::before {
    content: '🚀';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    opacity: 0.8;
}

.project-image.github {
    background: url(https://nirzak-streak-stats.vercel.app/?user=Maretyui&theme=radical&hide_border=false);
    background-size: contain;
    background-repeat: no-repeat;
}

.project-image.github::before {
    display: none;
}

.project-image.kavn {
    background: url("kavn-login.png");
    background-size: contain;
    background-repeat: no-repeat;
}

.project-image.kavn::before {
    display: none;
}

.project-content {
    padding: 2rem;
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    background: rgba(59, 130, 246, 0.2);
    color: var(--accent-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

.contact {
    padding: 6rem 0;
    background: var(--bg-secondary);
    text-align: center;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.social-link {
    display: inline-block;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: 50%;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

.social-link:hover {
    background: var(--accent-gradient);
    transform: translateY(-3px);
    box-shadow: var(--glow);
}

footer {
    padding: 2rem 0;
    text-align: center;
    color: var(--text-secondary);
    border-top: 1px solid var(--border);
    background: var(--bg-primary);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

    .social-links {
        gap: 1rem;
    }
}

.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--accent-gradient);
    z-index: 1001;
    transition: width 0.1s ease;
}