:root {
    --bg-dark: #0a0a14;
    --bg-card: #12121e;
    --bg-card-hover: #1a1a2e;
    --neon-green: #00ff41;
    --neon-blue: #00d4ff;
    --neon-purple: #a855f7;
    --neon-pink: #ff0080;
    --text-primary: #e0e0e0;
    --text-secondary: #8888aa;
    --text-muted: #555577;
    --border: rgba(0, 255, 65, 0.1);
    --glow-green: 0 0 20px rgba(0, 255, 65, 0.3);
    --glow-blue: 0 0 20px rgba(0, 212, 255, 0.3);
    --glow-purple: 0 0 20px rgba(168, 85, 247, 0.3);
    --radius: 16px;
    --radius-sm: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

#matrix-bg {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.4;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 20, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 20, 0.95);
    box-shadow: 0 4px 30px rgba(0, 255, 65, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.35rem;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 1.6rem;
}

.logo-text {
    background: linear-gradient(135deg, var(--neon-green) 0%, var(--neon-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: -0.5px;
    font-family: 'JetBrains Mono', monospace;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 20px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--neon-green);
    background: rgba(0, 255, 65, 0.08);
}

.nav-link.active {
    color: var(--neon-green);
    background: rgba(0, 255, 65, 0.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    text-align: center;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(0, 255, 65, 0.08);
    border: 1px solid rgba(0, 255, 65, 0.2);
    border-radius: 50px;
    font-size: 0.8rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--neon-green);
    letter-spacing: 0.1em;
    margin-bottom: 32px;
    animation: fade-in-up 0.8s ease-out;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--neon-green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: var(--glow-green);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.7; }
}

.hero-title {
    margin-bottom: 24px;
    animation: fade-in-up 0.8s ease-out 0.1s backwards;
}

.title-line {
    display: block;
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 300;
    color: var(--text-secondary);
}

.title-highlight {
    display: block;
    font-size: clamp(3rem, 10vw, 5.5rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--neon-green) 0%, var(--neon-blue) 50%, var(--neon-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    filter: drop-shadow(0 0 30px rgba(0, 255, 65, 0.3));
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 48px;
    animation: fade-in-up 0.8s ease-out 0.2s backwards;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    animation: fade-in-up 0.8s ease-out 0.3s backwards;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
    color: var(--neon-green);
    text-shadow: var(--glow-green);
}

.stat-status {
    font-size: 1.25rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    color: var(--neon-green);
    text-shadow: var(--glow-green);
    letter-spacing: 0.1em;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, transparent 0%, var(--neon-green) 50%, transparent 100%);
    opacity: 0.3;
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.2em;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, var(--neon-green) 0%, transparent 100%);
    animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 0.3; height: 40px; }
    50% { opacity: 1; height: 60px; }
}

.experiments {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--neon-green);
    margin-bottom: 16px;
    letter-spacing: 0.1em;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--neon-green) 0%, var(--neon-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.exp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.exp-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid rgba(0, 255, 65, 0.1);
    border-radius: var(--radius);
    padding: 32px;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.exp-card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(0, 255, 65, 0.03) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.exp-card:hover {
    border-color: rgba(0, 255, 65, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 8px 40px rgba(0, 255, 65, 0.1);
}

.exp-card:hover .exp-card-glow {
    opacity: 1;
}

.exp-card-coming {
    border: 1px dashed rgba(136, 136, 170, 0.2);
    opacity: 0.5;
    cursor: default;
}

.exp-card-coming:hover {
    transform: none;
    border-color: rgba(136, 136, 170, 0.3);
    box-shadow: none;
}

.exp-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.exp-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 255, 65, 0.08);
    border: 1px solid rgba(0, 255, 65, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.exp-icon svg {
    width: 24px;
    height: 24px;
    color: var(--neon-green);
}

.exp-card:hover .exp-icon {
    background: rgba(0, 255, 65, 0.15);
    box-shadow: var(--glow-green);
}

.exp-card-coming .exp-icon {
    background: rgba(136, 136, 170, 0.08);
    border-color: rgba(136, 136, 170, 0.15);
}

.exp-card-coming .exp-icon svg {
    color: var(--text-muted);
}

.exp-card.animate-in,
.tech-item.animate-in {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.exp-status {
    font-size: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
    padding: 4px 12px;
    border-radius: 20px;
    letter-spacing: 0.05em;
}

.exp-status.active {
    color: var(--neon-green);
    background: rgba(0, 255, 65, 0.1);
    border: 1px solid rgba(0, 255, 65, 0.2);
}

.exp-status.coming {
    color: var(--text-muted);
    background: rgba(136, 136, 170, 0.1);
    border: 1px solid rgba(136, 136, 170, 0.2);
}

.exp-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.exp-card-coming .exp-title {
    color: var(--text-muted);
}

.exp-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
    line-height: 1.7;
}

.exp-card-coming .exp-desc {
    color: var(--text-muted);
}

.exp-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.exp-tag {
    font-size: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
    padding: 4px 10px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: 6px;
    color: var(--neon-blue);
    letter-spacing: 0.05em;
}

.exp-card-coming .exp-tag {
    background: rgba(136, 136, 170, 0.05);
    border-color: rgba(136, 136, 170, 0.1);
    color: var(--text-muted);
}

.exp-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid rgba(0, 255, 65, 0.08);
}

.exp-date {
    font-size: 0.8rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-muted);
}

.exp-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(0, 255, 65, 0.08);
    border-radius: 50%;
    color: var(--neon-green);
    font-size: 1.1rem;
    transition: var(--transition);
}

.exp-card:hover .exp-arrow {
    background: var(--neon-green);
    color: var(--bg-dark);
    box-shadow: var(--glow-green);
    transform: translateX(4px);
}

.exp-card-coming .exp-arrow {
    background: rgba(136, 136, 170, 0.05);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.tech-stack {
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 24px 16px;
    background: var(--bg-card);
    border: 1px solid rgba(0, 255, 65, 0.08);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.tech-item:hover {
    border-color: rgba(0, 255, 65, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 4px 20px rgba(0, 255, 65, 0.08);
}

.tech-icon {
    font-size: 2rem;
}

.tech-name {
    font-size: 0.85rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    position: relative;
    z-index: 1;
}

.footer-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.footer-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    color: var(--neon-green);
    text-decoration: none;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    border: 1px solid rgba(0, 255, 65, 0.2);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.footer-back:hover {
    background: rgba(0, 255, 65, 0.08);
    box-shadow: var(--glow-green);
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

@media (max-width: 1024px) {
    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 20, 0.98);
        flex-direction: column;
        padding: 16px;
        gap: 4px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
        border-radius: 0 0 var(--radius) var(--radius);
        border-bottom: 1px solid var(--border);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero {
        padding: 100px 20px 60px;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .stat-status {
        font-size: 1rem;
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }
}