:root {
    --bg: #050507;
    --fg: #ffffff;
    --fg-dim: rgba(255, 255, 255, 0.6);
    --fg-dimmer: rgba(255, 255, 255, 0.35);
    --accent: #00c90d;
    --accent-rgb: 0, 201, 13;
    --glass: rgba(255, 255, 255, 0.04);
    --glass-strong: rgba(255, 255, 255, 0.07);
    --border: rgba(255, 255, 255, 0.1);
    --border-strong: rgba(255, 255, 255, 0.18);
    --font-sans: 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --font-display: 'Orbitron', sans-serif;
}

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

html, body {
    overflow-x: hidden;
}

body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    user-select: none;
    min-height: 100vh;
}

body.no-scroll {
    overflow: hidden;
    height: 100vh;
}

body.cursor-on,
body.cursor-on * {
    cursor: none !important;
}

a, button, input { color: inherit; }

.bg-layer {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.bg-layer video,
.bg-layer img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1.2s ease;
}

.bg-layer.ready video,
.bg-layer.ready img { opacity: 1; }

.bg-layer.blur video,
.bg-layer.blur img { filter: blur(6px) brightness(0.7); }

.bg-dim {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.4) 100%),
        linear-gradient(180deg, rgba(0,0,0,0.3), rgba(0,0,0,0.5));
    pointer-events: none;
    opacity: 0;
    transition: opacity 1s ease;
}

.bg-layer.dim .bg-dim { opacity: 1; }

.bg-layer.fallback::before {
    content: '';
    position: absolute;
    inset: -50%;
    background:
        radial-gradient(circle at 20% 30%, rgba(var(--accent-rgb), 0.15), transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(99, 102, 241, 0.15), transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(236, 72, 153, 0.08), transparent 50%);
    animation: bgFloat 20s ease-in-out infinite alternate;
    opacity: 1;
}

@keyframes bgFloat {
    0% { transform: rotate(0deg) scale(1); }
    100% { transform: rotate(20deg) scale(1.2); }
}

#particleCanvas {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.cursor-dot,
.cursor-ring {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9999;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    mix-blend-mode: difference;
    opacity: 0;
    transition: opacity 0.3s, width 0.2s, height 0.2s;
}

.cursor-dot {
    width: 6px;
    height: 6px;
    background: var(--fg);
}

.cursor-ring {
    width: 36px;
    height: 36px;
    border: 1px solid var(--fg);
}

body.cursor-on .cursor-dot,
body.cursor-on .cursor-ring { opacity: 1; }

.cursor-ring.hover {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.05);
}

.enter-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(5, 5, 7, 0.85);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    transition: opacity 0.9s ease, visibility 0.9s ease;
    color: var(--fg);
}

.enter-overlay.gone {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.enter-content {
    text-align: center;
    animation: enterFloat 4s ease-in-out infinite;
}

@keyframes enterFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.enter-ring {
    width: 130px;
    height: 130px;
    margin: 0 auto 32px;
    position: relative;
    color: var(--accent);
}

.enter-ring svg {
    width: 100%;
    height: 100%;
}

.enter-ring-anim {
    stroke-dasharray: 302;
    stroke-dashoffset: 0;
    animation: ringSpin 3s linear infinite;
    transform-origin: 50% 50%;
}

@keyframes ringSpin {
    0%   { stroke-dashoffset: 302; transform: rotate(0deg); }
    50%  { stroke-dashoffset: 75; }
    100% { stroke-dashoffset: 302; transform: rotate(360deg); }
}

.enter-icon {
    position: absolute;
    top: 50%;
    left: 52%;
    transform: translate(-50%, -50%);
    font-size: 28px;
    color: var(--accent);
    text-shadow: 0 0 20px var(--accent);
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.7; transform: translate(-50%, -50%) scale(1); }
    50%      { opacity: 1;   transform: translate(-50%, -50%) scale(1.1); }
}

.enter-text {
    font-family: var(--font-mono);
    font-size: 16px;
    letter-spacing: 0.3em;
    text-transform: lowercase;
    margin-bottom: 8px;
    opacity: 0.95;
}

.enter-sub {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--fg-dimmer);
}

main.bio {
    position: relative;
    z-index: 5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 1.2s ease, transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

main.bio.show {
    opacity: 1;
    transform: scale(1);
}

.card {
    width: 100%;
    max-width: 480px;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 44px 36px 32px;
    text-align: center;
    backdrop-filter: blur(24px) saturate(140%);
    -webkit-backdrop-filter: blur(24px) saturate(140%);
    position: relative;
    overflow: hidden;
    box-shadow:
        0 30px 80px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.card-glow {
    position: absolute;
    inset: -1px;
    border-radius: 20px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.4), transparent 30%, transparent 70%, rgba(var(--accent-rgb), 0.2));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
            mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    pointer-events: none;
    opacity: 0.7;
}

.avatar-wrap {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    position: relative;
}

.avatar-ring {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background: conic-gradient(from 0deg, var(--accent), transparent 40%, var(--accent) 80%, transparent);
    animation: ringRotate 4s linear infinite;
    opacity: 0.8;
    filter: blur(0.5px);
}

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

.avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    position: relative;
    z-index: 1;
    background: #111;
    border: 3px solid var(--bg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.avatar-status {
    position: absolute;
    bottom: 4px;
    right: 4px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid var(--bg);
    z-index: 2;
    box-shadow: 0 0 12px var(--accent);
    animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(0.85); }
}

.username {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 6px;
    background: linear-gradient(180deg, #fff, rgba(255,255,255,0.7));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--accent);
    text-shadow: 0 0 16px rgba(var(--accent-rgb), 0.5);
    margin-bottom: 28px;
}

.divider {
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.divider::before,
.divider::after {
    content: '';
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-strong));
}

.divider::after {
    background: linear-gradient(90deg, var(--border-strong), transparent);
}

.divider span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent);
}

.description {
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.8;
    color: var(--fg-dim);
    margin-bottom: 32px;
    white-space: pre-line;
    min-height: 60px;
}

.description .cursor-blink {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--accent);
    vertical-align: middle;
    margin-left: 2px;
    animation: blink 1s steps(1) infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.socials {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 28px;
}

.social {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-strong);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--fg);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.social svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s;
}

.social:hover {
    background: rgba(var(--accent-rgb), 0.12);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(var(--accent-rgb), 0.25);
}

.social:hover svg {
    transform: scale(1.15);
}

.social .tip {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: rgba(10, 10, 12, 0.95);
    border: 1px solid var(--border);
    color: var(--fg);
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 6px 10px;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.25s;
    backdrop-filter: blur(10px);
}

.social:hover .tip {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.views {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--fg-dimmer);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.views-icon {
    color: var(--accent);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.4; }
}

.views-count { color: var(--fg); }

.audio-player {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 14px 8px 8px;
    background: rgba(10, 10, 12, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 100px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.audio-player.show {
    opacity: 1;
    transform: translateY(0);
}

.audio-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent);
    border: none;
    color: #000;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.2s, box-shadow 0.2s;
}

.audio-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 0 20px var(--accent);
}

.audio-btn svg {
    width: 18px;
    height: 18px;
}

.audio-btn .audio-icon-pause { display: none; }
.audio-btn.playing .audio-icon-play { display: none; }
.audio-btn.playing .audio-icon-pause { display: block; }

.audio-info {
    flex: 1;
    min-width: 0;
}

.audio-title {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--fg);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.audio-bar {
    height: 2px;
    background: var(--border);
    border-radius: 1px;
    overflow: hidden;
}

.audio-bar-fill {
    height: 100%;
    width: 0;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    transition: width 0.15s linear;
}

.audio-vol {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--fg-dim);
}

.audio-vol input[type="range"] {
    width: 60px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border);
    height: 2px;
    border-radius: 1px;
    outline: none;
    cursor: pointer;
}

.audio-vol input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
}

.audio-vol input[type="range"]::-moz-range-thumb {
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    border: none;
    cursor: pointer;
}

.scroll-hint {
    margin-top: 40px;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--fg-dimmer);
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    text-decoration: none;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.8s ease 1.4s, transform 0.8s ease 1.4s, color 0.3s;
}

main.bio.show .scroll-hint {
    opacity: 1;
    transform: translateY(0);
}

.scroll-hint:hover {
    color: var(--accent);
}

.scroll-mouse {
    width: 22px;
    height: 34px;
    border: 1.5px solid currentColor;
    border-radius: 11px;
    position: relative;
}

.scroll-wheel {
    position: absolute;
    top: 5px;
    left: 50%;
    width: 2px;
    height: 6px;
    background: currentColor;
    border-radius: 1px;
    transform: translateX(-50%);
    animation: scrollWheel 1.6s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%   { opacity: 1; transform: translate(-50%, 0); }
    80%  { opacity: 0; transform: translate(-50%, 10px); }
    100% { opacity: 0; transform: translate(-50%, 0); }
}

.projects-section {
    position: relative;
    z-index: 5;
    max-width: 920px;
    margin: 0 auto;
    padding: 100px 24px 80px;
}

.projects-header {
    text-align: center;
    margin-bottom: 64px;
}

.projects-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 14px;
    opacity: 0;
    transform: translateY(40px);
    filter: blur(6px);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.9s cubic-bezier(0.16, 1, 0.3, 1),
                filter 0.7s ease;
}

.projects-title {
    font-family: var(--font-display);
    font-size: clamp(34px, 5vw, 56px);
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1.05;
    margin-bottom: 22px;
    background: linear-gradient(180deg, #fff 0%, rgba(255,255,255,0.55) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0;
    transform: translateY(80px) scale(0.94);
    filter: blur(10px);
    transition: opacity 1.1s cubic-bezier(0.16, 1, 0.3, 1) 0.1s,
                transform 1.1s cubic-bezier(0.16, 1, 0.3, 1) 0.1s,
                filter 0.8s ease 0.1s;
}

.projects-line {
    width: 60px;
    height: 1px;
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent);
    margin: 0 auto;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.25s;
}

.projects-header.in-view .projects-label {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
}

.projects-header.in-view .projects-title {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
}

.projects-header.in-view .projects-line {
    transform: scaleX(1);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 16px;
    perspective: 1400px;
}

.project-card {
    position: relative;
    display: block;
    padding: 28px 26px 26px;
    background: rgba(10, 10, 14, 0.45);
    border: 1px solid var(--border);
    border-radius: 16px;
    text-decoration: none;
    color: inherit;
    backdrop-filter: blur(20px) saturate(140%);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    overflow: hidden;
    opacity: 0;
    transform: translateY(140px) scale(0.88) rotateX(14deg);
    filter: blur(12px);
    transform-origin: center bottom;
    will-change: transform, opacity, filter;
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1),
                transform 1.1s cubic-bezier(0.16, 1, 0.3, 1),
                filter 0.7s ease,
                border-color 0.3s ease,
                background 0.3s ease;
}

.project-card.in-view {
    opacity: 1;
    transform: translateY(0) scale(1) rotateX(0);
    filter: blur(0);
}

.project-card:nth-child(1).in-view { transition-delay: 0s,    0s,    0s,    0s, 0s; }
.project-card:nth-child(2).in-view { transition-delay: 0.12s, 0.12s, 0.12s, 0s, 0s; }
.project-card:nth-child(3).in-view { transition-delay: 0.24s, 0.24s, 0.24s, 0s, 0s; }
.project-card:nth-child(4).in-view { transition-delay: 0.36s, 0.36s, 0.36s, 0s, 0s; }
.project-card:nth-child(5).in-view { transition-delay: 0.48s, 0.48s, 0.48s, 0s, 0s; }
.project-card:nth-child(6).in-view { transition-delay: 0.60s, 0.60s, 0.60s, 0s, 0s; }

.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
        320px circle at var(--mx, 50%) var(--my, 50%),
        rgba(var(--accent-rgb), 0.13),
        transparent 45%
    );
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
}

.project-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.5), transparent 40%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
            mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.35s ease;
}

.project-card:hover {
    border-color: var(--border-strong);
    background: rgba(20, 20, 26, 0.55);
    transform: translateY(-6px);
}

.project-card:hover::before,
.project-card:hover::after { opacity: 1; }

.project-num {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.25em;
    color: var(--accent);
    margin-bottom: 14px;
    text-shadow: 0 0 12px rgba(var(--accent-rgb), 0.5);
}

.project-title {
    font-family: var(--font-mono);
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    transition: color 0.3s, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-title {
    color: var(--accent);
    transform: translateX(4px);
}

.project-desc {
    font-size: 13px;
    line-height: 1.65;
    color: var(--fg-dim);
    margin-bottom: 20px;
}

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

.project-tag {
    font-family: var(--font-mono);
    font-size: 10px;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--fg-dim);
    letter-spacing: 0.05em;
    transition: all 0.3s;
}

.project-card:hover .project-tag {
    background: rgba(var(--accent-rgb), 0.08);
    border-color: rgba(var(--accent-rgb), 0.3);
    color: var(--fg);
}

.project-arrow {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 18px;
    color: var(--fg-dimmer);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-arrow {
    color: var(--accent);
    transform: translate(6px, -6px);
}

.bio-footer {
    position: relative;
    z-index: 5;
    text-align: center;
    padding: 40px 20px 60px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--fg-dimmer);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.footer-mark {
    color: var(--accent);
    animation: pulse 2.5s ease-in-out infinite;
}

.footer-dot {
    opacity: 0.5;
}

@media (max-width: 600px) {
    .card {
        padding: 36px 24px 28px;
        border-radius: 16px;
    }
    .username { font-size: 26px; }
    .avatar-wrap { width: 100px; height: 100px; }
    .audio-player {
        left: 10px;
        bottom: 10px;
    }
    body, body * { cursor: auto !important; }
    .cursor-dot, .cursor-ring { display: none; }

    .projects-section { padding: 64px 16px 60px; }
    .projects-grid { grid-template-columns: 1fr; }
    .project-card { padding: 24px 22px; }
    .project-title { font-size: 19px; }
    .project-arrow { top: 20px; right: 20px; font-size: 16px; }
}

::selection {
    background: var(--accent);
    color: #000;
}