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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #141414;
    --bg-hover: #1a1a1a;
    --border-primary: #2a2a2a;
    --border-hover: #3a3a3a;
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --accent: #ffffff;
    --accent-dim: #888888;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 8px 40px rgba(0, 0, 0, 0.7);
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    line-height: 1.6;
}

.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9998;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.03) 2px,
        rgba(0, 0, 0, 0.03) 4px
    );
}

.noise {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    z-index: 9997;
    pointer-events: none;
    opacity: 0.015;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    animation: noiseMove 8s steps(10) infinite;
}

@keyframes noiseMove {
    0%, 100% { transform: translate(0, 0); }
    10% { transform: translate(-5%, -10%); }
    20% { transform: translate(-15%, 5%); }
    30% { transform: translate(7%, -25%); }
    40% { transform: translate(-5%, 25%); }
    50% { transform: translate(-15%, 10%); }
    60% { transform: translate(15%, 0%); }
    70% { transform: translate(0%, 15%); }
    80% { transform: translate(3%, 35%); }
    90% { transform: translate(-10%, 10%); }
}

.main-container {
    position: relative;
    z-index: 10;
    max-width: 1100px;
    margin: 0 auto;
    padding: clamp(15px, 3vw, 30px);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(15px, 4vw, 25px) 0;
    border-bottom: 1px solid var(--border-primary);
    margin-bottom: clamp(25px, 5vw, 50px);
    flex-wrap: wrap;
    gap: 20px;
}

.logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(1.1rem, 4vw, 1.5rem);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 2px;
}

.logo-bracket {
    color: var(--text-muted);
    font-weight: 300;
}

.nav-menu {
    display: flex;
    gap: clamp(5px, 1.5vw, 10px);
    flex-wrap: wrap;
}

.nav-btn {
    background: transparent;
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
    padding: clamp(8px, 2vw, 10px) clamp(14px, 3vw, 22px);
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    font-size: clamp(0.7rem, 2.5vw, 0.85rem);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-btn:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
    background: var(--bg-hover);
}

.nav-btn.active {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.page {
    display: none;
    animation: pageFade 0.4s ease forwards;
}

.page.active-page {
    display: block;
}

@keyframes pageFade {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.profile-card {
    background: var(--bg-card);
    border-radius: 8px;
    padding: clamp(25px, 5vw, 45px);
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.profile-card:hover {
    border-color: var(--border-hover);
}

.profile-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--text-muted), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.profile-content {
    position: relative;
    z-index: 2;
}

.avatar-section {
    display: flex;
    align-items: center;
    gap: clamp(20px, 5vw, 35px);
    margin-bottom: clamp(30px, 6vw, 45px);
    flex-wrap: wrap;
}

@media (max-width: 600px) {
    .avatar-section {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
}

.avatar-container {
    position: relative;
    width: clamp(100px, 25vw, 140px);
    height: clamp(100px, 25vw, 140px);
    flex-shrink: 0;
}

.avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-primary);
    position: relative;
    z-index: 2;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    filter: grayscale(30%);
}

.avatar:hover {
    transform: scale(1.03);
    border-color: var(--text-secondary);
    filter: grayscale(0%);
}

.avatar-ring {
    position: absolute;
    top: -6px;
    left: -6px;
    right: -6px;
    bottom: -6px;
    border-radius: 50%;
    border: 1px solid var(--border-hover);
    animation: spin 20s linear infinite;
    z-index: 1;
}

.avatar-ring::before {
    content: '';
    position: absolute;
    top: 4px;
    left: 50%;
    width: 4px;
    height: 4px;
    background: var(--text-primary);
    border-radius: 50%;
    transform: translateX(-50%);
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.title-group {
    flex: 1;
    text-align: left;
}

@media (max-width: 600px) {
    .title-group {
        text-align: center;
    }
}

.role-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(0.7rem, 2.5vw, 0.85rem);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 10px;
}

.title-group h1 {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(1.8rem, 7vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
    word-break: break-word;
}

.cursor {
    display: inline-block;
    width: 3px;
    height: clamp(18px, 4vw, 35px);
    background: var(--text-primary);
    margin-left: 5px;
    animation: blink 1s step-end infinite;
    vertical-align: middle;
}

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

.title-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 15px 0;
    justify-content: flex-start;
}

@media (max-width: 600px) {
    .title-badges {
        justify-content: center;
    }
}

.badge {
    background: var(--bg-hover);
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
    padding: clamp(3px, 1.5vw, 5px) clamp(10px, 3vw, 14px);
    border-radius: 3px;
    font-size: clamp(0.65rem, 2.5vw, 0.8rem);
    font-weight: 500;
    letter-spacing: 0.5px;
    font-family: 'JetBrains Mono', monospace;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.badge:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.badge.purple {
    border-color: var(--text-secondary);
    color: var(--text-secondary);
}

.badge.pink {
    border-color: var(--text-muted);
    color: var(--text-muted);
}

.badge.green {
    border-color: var(--text-secondary);
    color: var(--text-secondary);
}

.status-line {
    display: flex;
    gap: clamp(10px, 3vw, 18px);
    flex-wrap: wrap;
    margin: 20px 0;
    padding: 15px 0;
    border-top: 1px solid var(--border-primary);
    border-bottom: 1px solid var(--border-primary);
    justify-content: flex-start;
}

@media (max-width: 600px) {
    .status-line {
        justify-content: center;
    }
}

.status-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: clamp(0.75rem, 2.5vw, 0.9rem);
    font-family: 'JetBrains Mono', monospace;
}

.status-item::before {
    content: '>';
    color: var(--text-secondary);
    font-size: 0.7rem;
}

.action-buttons {
    display: flex;
    gap: clamp(10px, 3vw, 15px);
    flex-wrap: wrap;
    margin: 30px 0;
    justify-content: flex-start;
}

@media (max-width: 600px) {
    .action-buttons {
        justify-content: center;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

.btn {
    padding: clamp(12px, 3vw, 14px) clamp(20px, 5vw, 28px);
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: clamp(0.75rem, 2.5vw, 0.9rem);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: 'JetBrains Mono', monospace;
}

.btn::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 0.6s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-primary);
    box-shadow: 0 2px 10px rgba(255,255,255,0.1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(255,255,255,0.15);
    background: var(--accent);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-hover);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.btn-outline {
    border: 1px solid var(--border-primary);
    color: var(--text-muted);
    background: transparent;
}

.btn-outline:hover {
    border-color: var(--text-secondary);
    color: var(--text-secondary);
    transform: translateY(-2px);
}

.block-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.block-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 300;
}

.block-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border-primary), transparent);
    min-width: 30px;
}

.block-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(0.7rem, 2.5vw, 0.85rem);
    color: var(--text-secondary);
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 500;
}

.about-block {
    margin: 40px 0;
    padding: 30px;
    background: var(--bg-secondary);
    border-radius: 6px;
    border: 1px solid var(--border-primary);
}

.about-text {
    color: var(--text-secondary);
    line-height: 1.9;
    font-size: clamp(0.9rem, 3vw, 1.05rem);
}

.about-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.tech-section {
    margin-top: 40px;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
    margin-top: 20px;
}

.tech-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 4px;
    padding: 14px 10px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    font-size: clamp(0.8rem, 2.5vw, 0.9rem);
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    cursor: default;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.tech-item:hover {
    transform: translateY(-3px);
    border-color: var(--text-secondary);
    color: var(--text-primary);
    background: var(--bg-hover);
    box-shadow: var(--shadow);
}

.tech-icon {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.featured-projects {
    margin-top: clamp(30px, 8vw, 60px);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
    gap: clamp(15px, 4vw, 25px);
}

.project-card {
    background: var(--bg-secondary);
    border-radius: 6px;
    padding: clamp(20px, 4vw, 28px);
    border: 1px solid var(--border-primary);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    height: fit-content;
}

.project-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--text-muted), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.project-card:hover::after {
    transform: translateX(100%);
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-hover);
}

.project-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.project-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(0.65rem, 2vw, 0.8rem);
    color: var(--text-muted);
    font-weight: 300;
    min-width: 25px;
}

.project-header h3 {
    font-size: clamp(1.1rem, 4vw, 1.35rem);
    font-weight: 600;
    word-break: break-word;
    color: var(--text-primary);
}

.project-card > p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-size: clamp(0.85rem, 2.5vw, 0.95rem);
    line-height: 1.6;
}

.project-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin: 15px 0;
}

.tag {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    padding: 3px 10px;
    border-radius: 3px;
    font-size: clamp(0.65rem, 2.5vw, 0.75rem);
    color: var(--text-muted);
    white-space: nowrap;
    font-family: 'JetBrains Mono', monospace;
    transition: all 0.3s ease;
}

.tag:hover {
    border-color: var(--text-secondary);
    color: var(--text-secondary);
}

.project-stats {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin: 15px 0;
    padding: 12px 0;
    border-top: 1px solid var(--border-primary);
    border-bottom: 1px solid var(--border-primary);
}

.stat {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: clamp(0.8rem, 2.5vw, 0.9rem);
    color: var(--text-secondary);
}

.stat .value {
    color: var(--text-primary);
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.project-link {
    display: inline-block;
    margin-top: 10px;
    color: var(--text-muted);
    font-size: clamp(0.8rem, 2.5vw, 0.9rem);
    font-weight: 500;
    transition: all 0.3s ease;
    font-family: 'JetBrains Mono', monospace;
}

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

.project-code {
    background: var(--bg-primary);
    padding: 15px;
    border-radius: 4px;
    margin: 15px 0;
    border: 1px solid var(--border-primary);
}

.project-code code {
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(0.75rem, 2.5vw, 0.85rem);
}

.filter-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 20px 0 30px;
    justify-content: flex-start;
}

@media (max-width: 600px) {
    .filter-buttons {
        justify-content: center;
    }

    .filter-btn {
        flex: 1 1 auto;
        min-width: 70px;
        text-align: center;
    }
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border-primary);
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(0.7rem, 2.5vw, 0.85rem);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.filter-btn:hover {
    border-color: var(--text-secondary);
    color: var(--text-secondary);
}

.filter-btn.active {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.projects-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
    gap: 20px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
    gap: 15px;
    margin: 30px 0;
}

.contact-card {
    background: var(--bg-secondary);
    border-radius: 6px;
    padding: clamp(20px, 4vw, 30px);
    text-align: center;
    border: 1px solid var(--border-primary);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.contact-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-hover);
}

.contact-icon {
    font-size: clamp(1.5rem, 6vw, 2rem);
    margin-bottom: 12px;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    transition: color 0.3s ease;
}

.contact-card:hover .contact-icon {
    color: var(--text-primary);
}

.contact-card h3 {
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: clamp(1rem, 4vw, 1.2rem);
    font-weight: 600;
}

.contact-card p {
    color: var(--text-secondary);
    word-break: break-all;
    font-size: clamp(0.85rem, 3vw, 0.95rem);
    font-family: 'JetBrains Mono', monospace;
}

.copy-btn {
    background: transparent;
    border: 1px solid var(--border-primary);
    color: var(--text-muted);
    padding: 6px 14px;
    border-radius: 4px;
    margin-top: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: clamp(0.7rem, 2.5vw, 0.85rem);
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.copy-btn:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.vpn-cta {
    margin-top: 40px;
    padding: 35px;
    background: var(--bg-secondary);
    border-radius: 6px;
    border: 1px solid var(--border-primary);
    text-align: center;
}

.vpn-cta p {
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-size: clamp(0.9rem, 3vw, 1rem);
    line-height: 1.7;
}

.contact-badges {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

footer {
    margin-top: auto;
    padding: 25px 0;
    text-align: center;
    color: var(--text-muted);
    border-top: 1px solid var(--border-primary);
    font-size: clamp(0.75rem, 2.5vw, 0.85rem);
    font-family: 'JetBrains Mono', monospace;
}

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

.copy-notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    left: 20px;
    background: var(--text-primary);
    color: var(--bg-primary);
    padding: 14px 24px;
    border-radius: 4px;
    font-weight: 600;
    transform: translateY(200px);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10000;
    box-shadow: var(--shadow-hover);
    text-align: center;
    max-width: 280px;
    margin: 0 auto;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

@media (min-width: 768px) {
    .copy-notification {
        left: auto;
        right: 30px;
        bottom: 30px;
    }
}

.copy-notification.show {
    transform: translateY(0);
}

code {
    background: var(--bg-primary);
    padding: 8px 12px;
    border-radius: 4px;
    display: inline-block;
    max-width: 100%;
    overflow-x: auto;
    white-space: nowrap;
    font-size: clamp(0.75rem, 2.5vw, 0.85rem);
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-secondary);
}

::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 3px;
}

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

::selection {
    background: var(--text-primary);
    color: var(--bg-primary);
}

@media (max-width: 480px) {
    code {
        font-size: 0.7rem;
        padding: 6px 8px;
    }

    .about-block {
        padding: 20px;
    }

    .vpn-cta {
        padding: 25px 20px;
    }
}

.logo:hover {
    animation: glitch 0.3s ease;
}

@keyframes glitch {
    0% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(-2px, -2px); }
    60% { transform: translate(2px, 2px); }
    80% { transform: translate(2px, -2px); }
    100% { transform: translate(0); }
}