:root {
    /* color palette - simplified */
    --bg-color: #0c0c0e;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a24;
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0a0;
    --accent-primary: #ff9900;
    --accent-secondary: #0066ff;
    --card-bg: #1a1a24;
    --border-color: #2a2a3a;
    --success-color: #00cc66;
    --error-color: #ff3333;
    
    /* typography - monospace throughout */
    --font-primary: 'JetBrains Mono', monospace;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 3rem;
    
    /* transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    /* borders */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    
    /* shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    
    /* z-indices */
    --z-index-dropdown: 100;
    --z-index-sticky: 200;
    --z-index-fixed: 300;
    --z-index-modal: 400;
    --z-index-overlay: 500;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-primary) var(--bg-tertiary);
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-weight: 300;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: var(--border-radius-md);
}

/* typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: var(--space-md);
    text-transform: lowercase;
}

h1 {
    font-size: 3rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--space-md);
    text-transform: lowercase;
}

p.lead {
    font-size: 1.15rem;
    margin-bottom: var(--space-lg);
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
    text-transform: lowercase;
}

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

code, pre {
    font-family: var(--font-mono);
}

/* layout */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section-padding {
    padding: var(--space-xxl) 0;
}

.section-header {
    margin-bottom: var(--space-xxl);
    text-align: center;
    position: relative;
}

.section-line {
    width: 40px;
    height: 3px;
    background: var(--accent-primary);
    margin: var(--space-md) auto;
    border-radius: var(--border-radius-sm);
}

/* loading overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: var(--z-index-overlay);
    transition: opacity var(--transition-normal);
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255, 153, 0, 0.3);
    border-radius: 50%;
    border-top-color: var(--accent-primary);
    animation: spin 1s ease-in-out infinite;
    margin-bottom: var(--space-md);
}

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

/* navigation */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(12, 12, 14, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: var(--z-index-sticky);
    padding: var(--space-md) 0;
    transition: all var(--transition-normal);
}

.main-nav.scrolled {
    padding: var(--space-sm) 0;
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.05em;
    transition: transform var(--transition-fast);
}

.logo span {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo:hover {
    transform: scale(1.05);
}

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

.nav-link {
    color: var(--text-primary);
    margin-left: var(--space-xl);
    font-weight: 400;
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-primary);
    transition: width var(--transition-normal);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-normal);
}

/* hero section */
.hero {
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.static-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    /* Remove static background pattern to allow particles.js animation to work */
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--space-xl);
    display: flex;
    align-items: center;
}

.typed-text {
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.cursor {
    display: inline-block;
    width: 2px;
    background-color: var(--accent-primary);
    animation: blink 1s infinite;
    margin-left: 2px;
}

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

.hero-cta {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.btn {
    display: inline-block;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--border-radius-md);
    font-weight: 400;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    outline: none;
    text-transform: lowercase;
}

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

.btn-primary:hover {
    background-color: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--bg-color);
}

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

.btn-secondary:hover {
    background-color: rgba(255, 153, 0, 0.1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--accent-primary);
}

.code-snippet {
    position: absolute;
    right: 5%;
    bottom: 15%;
    max-width: 450px;
    width: 450px;
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    opacity: 0.9;
    transform: rotate(2deg);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-left: 3px solid var(--accent-primary);
}

.code-snippet pre {
    margin: 0;
}

.code-snippet code {
    color: var(--text-primary);
}

/* glitch effect - simplified */
.glitch {
    position: relative;
    color: var(--text-primary);
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    clip: rect(0, 0, 0, 0);
}

.glitch::before {
    left: 2px;
    text-shadow: -1px 0 var(--accent-secondary);
    animation: glitch-anim-1 2s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: 1px 0 var(--accent-primary);
    animation: glitch-anim-2 3s infinite linear alternate-reverse;
}

@keyframes glitch-anim-1 {
    0% {
        clip: rect(30px, 9999px, 10px, 0);
    }
    20% {
        clip: rect(20px, 9999px, 50px, 0);
    }
    40% {
        clip: rect(60px, 9999px, 30px, 0);
    }
    60% {
        clip: rect(10px, 9999px, 70px, 0);
    }
    80% {
        clip: rect(50px, 9999px, 40px, 0);
    }
    100% {
        clip: rect(40px, 9999px, 20px, 0);
    }
}

@keyframes glitch-anim-2 {
    0% {
        clip: rect(20px, 9999px, 40px, 0);
    }
    20% {
        clip: rect(40px, 9999px, 20px, 0);
    }
    40% {
        clip: rect(60px, 9999px, 10px, 0);
    }
    60% {
        clip: rect(30px, 9999px, 50px, 0);
    }
    80% {
        clip: rect(10px, 9999px, 30px, 0);
    }
    100% {
        clip: rect(50px, 9999px, 60px, 0);
    }
}

/* about section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xxl);
    align-items: center;
}

.tech-stack {
    margin-top: var(--space-xl);
}

.tech-stack h3 {
    margin-bottom: var(--space-md);
    font-size: 1.1rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.tech-tag {
    background-color: var(--bg-tertiary);
    color: var(--accent-primary);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
    text-transform: lowercase;
}

.terminal {
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    width: 100%;
}

.terminal-header {
    background-color: var(--bg-secondary);
    padding: var(--space-sm) var(--space-md);
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.terminal-button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
}

.terminal-button.close {
    background-color: #ff5f56;
}

.terminal-button.minimize {
    background-color: #ffbd2e;
}

.terminal-button.maximize {
    background-color: #27c93f;
}

.terminal-title {
    margin-left: var(--space-md);
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.terminal-body {
    padding: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.5;
    max-height: 400px;
    overflow-y: auto;
}

.terminal-body .line {
    margin-bottom: var(--space-sm);
}

.terminal-body pre {
    margin-top: var(--space-sm);
    margin-bottom: var(--space-sm);
    white-space: pre-wrap;
    color: var(--accent-primary);
}

/* bitcoin section */
.bitcoin-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.bitcoin-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.bitcoin-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.bitcoin-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.bitcoin-header h3 {
    margin-bottom: 0;
}

.bitcoin-body {
    padding: var(--space-lg);
}

.bitcoin-body p:last-child {
    margin-bottom: 0;
}

/* thoughts section */
.thoughts-content {
    max-width: 800px;
    margin: 0 auto;
}

.nostr-posts {
    margin-bottom: var(--space-xl);
}

.post {
    background-color: var(--card-bg);
    border-radius: var(--border-radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    border-left: 3px solid var(--accent-primary);
    transition: transform var(--transition-normal);
}

.post:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.post-content {
    white-space: pre-wrap;
    word-break: break-word;
}

.post-date {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: var(--space-md);
    font-family: var(--font-mono);
}

.loading {
    text-align: center;
    padding: var(--space-lg);
    color: var(--text-secondary);
}

.nostr-info {
    text-align: center;
    margin-top: var(--space-xl);
}

.nostr-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
}

.nostr-link:hover {
    background-color: var(--accent-primary);
    color: var(--bg-color);
}

/* projects section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.project-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.project-card.featured {
    grid-column: 1 / -1;
}

.project-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.project-header h3 {
    margin-bottom: var(--space-sm);
    font-size: 1.1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

.project-tag {
    background-color: var(--bg-tertiary);
    color: var(--accent-primary);
    padding: 2px var(--space-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    text-transform: lowercase;
}

.project-body {
    padding: var(--space-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-description {
    margin-bottom: var(--space-lg);
    flex-grow: 1;
}

.project-links {
    margin-top: auto;
    display: flex;
    gap: var(--space-md);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.85rem;
}

/* github activity */
.github-activity {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.github-item {
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    padding: var(--space-md);
    border-left: 3px solid var(--accent-secondary);
}

.github-type {
    display: inline-block;
    padding: 2px var(--space-sm);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    margin-right: var(--space-xs);
}

.github-date {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: var(--space-sm);
    font-family: var(--font-mono);
}

.github-activity-graph {
    margin-bottom: var(--space-lg);
}

.activity-summary {
    display: flex;
    justify-content: space-around;
    margin-bottom: var(--space-lg);
}

.activity-period {
    text-align: center;
}

.activity-count {
    font-size: 1.75rem;
    font-weight: 500;
    color: var(--accent-secondary);
}

.activity-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: lowercase;
}

/* contact section */
.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.social-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
    background-color: var(--bg-tertiary);
    width: 100px;
}

.social-link i {
    font-size: 1.25rem;
    transition: transform var(--transition-fast);
}

.social-link:hover {
    background-color: var(--accent-primary);
    color: var(--bg-color);
    transform: translateY(-5px);
}

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

/* footer */
.footer {
    background-color: var(--bg-secondary);
    padding: var(--space-xl) 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.footer-logo span {
    margin-left: var(--space-xs);
}

.footer-tagline {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    margin-bottom: var(--space-md);
}

.footer-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

/* responsive styles */
@media (max-width: 992px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .bitcoin-grid {
        grid-template-columns: 1fr;
    }
    
    .code-snippet {
        display: none;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--bg-secondary);
        flex-direction: column;
        align-items: center;
        padding: var(--space-lg) 0;
        transform: translateY(-100%);
        opacity: 0;
        transition: all var(--transition-normal);
        z-index: var(--z-index-dropdown);
        box-shadow: var(--shadow-md);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .nav-links li {
        margin: var(--space-md) 0;
    }
    
    .nav-link {
        margin-left: 0;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .social-links {
        gap: var(--space-md);
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.35rem;
    }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    .section-padding {
        padding: var(--space-xl) 0;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
}