:root {
  --bg: #07080d; --bg2: #0d0f18; --card: rgba(255,255,255,.035); --line: rgba(255,255,255,.08);
  --text: #e8eaf2; --muted: #8b90a5; --accent: #7c5cff; --accent2: #22d3ee; --ok: #34d399;
  --grad: linear-gradient(120deg, var(--accent), var(--accent2));
  --mono: 'JetBrains Mono', ui-monospace, monospace; --sans: 'Space Grotesk', system-ui, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: var(--sans); line-height: 1.6; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: #fff; }

#bg3d { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.noise { position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
main, nav, footer { position: relative; z-index: 2; }

/* cursor glow */
.glow { position: fixed; width: 500px; height: 500px; border-radius: 50%; pointer-events: none; z-index: 1;
  background: radial-gradient(circle, rgba(124,92,255,.14), transparent 60%); transform: translate(-50%,-50%); transition: opacity .3s; }

nav { position: fixed; top: 16px; left: 50%; transform: translateX(-50%); display: flex; gap: 4px; padding: 6px;
  background: rgba(13,15,24,.6); backdrop-filter: blur(14px); border: 1px solid var(--line); border-radius: 999px; z-index: 10; max-width: calc(100% - 32px); overflow-x: auto; }
nav a { padding: 8px 14px; border-radius: 999px; font-size: 14px; color: var(--muted); white-space: nowrap; transition: .2s; }
nav a:hover, nav a.active { color: var(--text); background: rgba(255,255,255,.07); }
nav .logo { font-family: var(--mono); color: var(--text); font-weight: 600; }

section { max-width: 1160px; margin: 0 auto; padding: 120px 24px; }
.eyebrow { font-family: var(--mono); font-size: 13px; color: var(--accent2); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 14px; }
h2 { font-size: clamp(32px, 5vw, 56px); line-height: 1.05; letter-spacing: -.03em; margin-bottom: 20px; }
.lead { color: var(--muted); max-width: 640px; font-size: 18px; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* hero */
.hero { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; padding-top: 140px; }
.status { display: inline-flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 13px; color: var(--ok);
  border: 1px solid rgba(52,211,153,.3); background: rgba(52,211,153,.06); padding: 6px 14px; border-radius: 999px; width: fit-content; margin-bottom: 28px; }
.status i { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 12px var(--ok); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: .3; } }
.hero h1 { font-size: clamp(44px, 9vw, 120px); line-height: .95; letter-spacing: -.045em; font-weight: 700; }
.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .line span { display: inline-block; transform: translateY(110%); animation: rise 1s cubic-bezier(.2,.8,.2,1) forwards; }
.hero h1 .line:nth-child(2) span { animation-delay: .12s; }
@keyframes rise { to { transform: none; } }
.typed { font-family: var(--mono); font-size: clamp(16px, 2.2vw, 22px); color: var(--muted); margin: 28px 0 40px; min-height: 1.6em; }
.typed b { color: var(--text); font-weight: 500; }
.typed .caret { display: inline-block; width: 10px; height: 1.1em; background: var(--accent2); vertical-align: middle; animation: pulse 1s steps(1) infinite; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 24px; border-radius: 12px; font-weight: 600; border: 1px solid var(--line); transition: .25s; cursor: pointer; font-family: inherit; font-size: 15px; background: var(--card); color: var(--text); }
.btn:hover { border-color: rgba(255,255,255,.25); transform: translateY(-2px); }
.btn.primary { background: var(--grad); border: none; color: #fff; box-shadow: 0 10px 40px -10px var(--accent); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 80px; background: var(--line); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.stats div { background: rgba(7,8,13,.75); backdrop-filter: blur(6px); padding: 22px; }
.stats b { display: block; font-size: 34px; letter-spacing: -.03em; }
.stats span { color: var(--muted); font-size: 13px; }
.scroll-hint { margin-top: 48px; font-family: var(--mono); font-size: 12px; color: var(--muted); }

/* reveal */
.reveal { opacity: 0; transform: translateY(40px); transition: 1s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* about */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: start; }
.code-card { font-family: var(--mono); font-size: 14px; background: var(--bg2); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.code-card header { display: flex; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.code-card header i { width: 11px; height: 11px; border-radius: 50%; background: #333; }
.code-card header i:nth-child(1){background:#ff5f57}.code-card header i:nth-child(2){background:#febc2e}.code-card header i:nth-child(3){background:#28c840}
.code-card pre { padding: 20px; white-space: pre-wrap; color: var(--muted); line-height: 1.8; }
.code-card .k { color: var(--accent2); } .code-card .s { color: #c3e88d; } .code-card .n { color: #f78c6c; }
.bring { list-style: none; display: grid; gap: 14px; margin-top: 28px; }
.bring li { padding: 16px 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
.bring b { display: block; margin-bottom: 2px; }
.bring span { color: var(--muted); font-size: 15px; }

/* experience timeline */
.timeline { border-left: 1px solid var(--line); margin-top: 48px; padding-left: 32px; display: grid; gap: 48px; }
.job { position: relative; }
.job::before { content: ''; position: absolute; left: -38px; top: 8px; width: 11px; height: 11px; border-radius: 50%; background: var(--grad); box-shadow: 0 0 20px var(--accent); }
.job .when { font-family: var(--mono); font-size: 13px; color: var(--accent2); }
.job h3 { font-size: 24px; margin: 4px 0; }
.job .at { color: var(--muted); margin-bottom: 14px; }
.job ul { color: var(--muted); padding-left: 18px; display: grid; gap: 8px; max-width: 760px; }
.job li b { color: var(--text); font-weight: 500; }
.pipeline { display: flex; gap: 4px; margin-top: 20px; flex-wrap: wrap; }
.pipeline span { width: 34px; height: 8px; border-radius: 4px; background: rgba(255,255,255,.07); position: relative; overflow: hidden; }
.pipeline span::after { content: ''; position: absolute; inset: 0; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .35s; }
.pipeline span.on::after { transform: scaleX(1); }
.pipeline-label { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-top: 8px; }

/* projects */
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin: 36px 0 28px; }
.filters button { font-family: var(--mono); font-size: 13px; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--muted); cursor: pointer; transition: .2s; }
.filters button.active, .filters button:hover { color: var(--text); border-color: var(--accent); background: rgba(124,92,255,.12); }
.projects { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; perspective: 1200px; }
.tilt { position: relative; border: 1px solid var(--line); border-radius: 20px; padding: 26px; background: var(--card); transform-style: preserve-3d; transition: transform .15s ease-out, border-color .3s; will-change: transform; overflow: hidden; }
.tilt::before { content: ''; position: absolute; inset: 0; background: radial-gradient(400px circle at var(--mx,50%) var(--my,50%), rgba(124,92,255,.18), transparent 50%); opacity: 0; transition: opacity .3s; pointer-events: none; }
.tilt:hover { border-color: rgba(124,92,255,.5); }
.tilt:hover::before { opacity: 1; }
.tilt > * { transform: translateZ(30px); position: relative; }
.project .icon { font-size: 30px; margin-bottom: 14px; }
.project h3 { font-size: 21px; margin-bottom: 8px; }
.project p { color: var(--muted); font-size: 15px; margin-bottom: 18px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags span { font-family: var(--mono); font-size: 11.5px; padding: 4px 9px; border-radius: 6px; background: rgba(255,255,255,.05); color: #b8bdd0; }
.project .links { display: flex; gap: 14px; margin-top: 18px; font-family: var(--mono); font-size: 13px; }
.project .links a { color: var(--accent2); }
.project .links a:hover { text-decoration: underline; }
.project.hidden { display: none; }
.badge-private { position: absolute !important; top: 22px; right: 22px; font-family: var(--mono); font-size: 11px; color: #fbbf24; border: 1px solid rgba(251,191,36,.3); padding: 2px 8px; border-radius: 6px; }

/* ecosystem */
.eco { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; margin-top: 48px; }
.sub { display: block; }
.sub .host { font-family: var(--mono); font-size: 15px; margin-bottom: 6px; word-break: break-all; }
.sub .host b { color: var(--accent2); font-weight: 500; }
.sub p { color: var(--muted); font-size: 14px; }
.sub .ping { display: flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 11px; color: var(--ok); margin-top: 14px; }
.sub .ping i { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); animation: pulse 2s infinite; }

/* skills */
.skills { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin-top: 48px; }
.skill-group h4 { font-family: var(--mono); font-size: 13px; color: var(--accent2); margin-bottom: 14px; text-transform: uppercase; letter-spacing: .08em; }
.marquee { overflow: hidden; margin-top: 60px; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee div { display: flex; gap: 48px; width: max-content; animation: slide 40s linear infinite; font-size: clamp(28px, 4vw, 48px); font-weight: 700; color: rgba(255,255,255,.08); letter-spacing: -.03em; }
.marquee span:nth-child(odd) { -webkit-text-stroke: 1px rgba(255,255,255,.2); color: transparent; }
@keyframes slide { to { transform: translateX(-50%); } }

/* chat (shared with playground) */
.chat { border: 1px solid var(--line); border-radius: 20px; background: rgba(13,15,24,.8); backdrop-filter: blur(12px); overflow: hidden; display: flex; flex-direction: column; height: 600px; }
.chat-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.modes { display: flex; gap: 6px; flex-wrap: wrap; }
.modes button { font-family: var(--mono); font-size: 12px; padding: 7px 12px; border-radius: 8px; border: 1px solid var(--line); background: transparent; color: var(--muted); cursor: pointer; }
.modes button.active { color: #fff; background: var(--grad); border-color: transparent; }
.model-status { font-family: var(--mono); font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.model-status i { width: 7px; height: 7px; border-radius: 50%; background: #fbbf24; }
.model-status.ready i { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.log { flex: 1; overflow-y: auto; padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.msg { max-width: 85%; padding: 12px 16px; border-radius: 14px; font-size: 15px; white-space: pre-wrap; word-wrap: break-word; animation: pop .3s ease; }
@keyframes pop { from { opacity: 0; transform: translateY(8px); } }
.msg.user { align-self: flex-end; background: var(--grad); color: #fff; border-bottom-right-radius: 4px; }
.msg.bot { align-self: flex-start; background: rgba(255,255,255,.05); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.msg.bot code { font-family: var(--mono); font-size: 13px; background: rgba(0,0,0,.35); padding: 1px 5px; border-radius: 4px; }
.msg.bot pre { background: rgba(0,0,0,.4); padding: 12px; border-radius: 8px; overflow-x: auto; margin: 6px 0; }
.msg.bot pre code { background: none; padding: 0; }
.msg.err { border-color: rgba(248,113,113,.4); color: #fca5a5; }
.msg .meta { display: block; font-family: var(--mono); font-size: 11px; color: var(--muted); margin-top: 8px; }
.dots span { display: inline-block; width: 6px; height: 6px; margin: 0 2px; border-radius: 50%; background: var(--muted); animation: bounce 1s infinite; }
.dots span:nth-child(2) { animation-delay: .15s; } .dots span:nth-child(3) { animation-delay: .3s; }
@keyframes bounce { 50% { transform: translateY(-5px); opacity: .4; } }
.suggest { display: flex; gap: 8px; flex-wrap: wrap; padding: 0 20px 12px; }
.suggest button { font-size: 13px; padding: 7px 12px; border-radius: 999px; border: 1px dashed var(--line); background: transparent; color: var(--muted); cursor: pointer; font-family: inherit; }
.suggest button:hover { color: var(--text); border-color: var(--accent); }
.chat form { display: flex; gap: 10px; padding: 14px; border-top: 1px solid var(--line); }
.chat textarea { flex: 1; resize: none; background: rgba(255,255,255,.04); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; color: var(--text); font-family: inherit; font-size: 15px; height: 48px; max-height: 160px; outline: none; }
.chat textarea:focus { border-color: var(--accent); }
.chat .send { width: 48px; height: 48px; border-radius: 12px; border: none; background: var(--grad); color: #fff; font-size: 20px; cursor: pointer; flex-shrink: 0; }
.chat .send:disabled { opacity: .4; cursor: not-allowed; }
.ai-note { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-top: 14px; }

/* contact */
.contact { text-align: center; padding-bottom: 160px; }
.contact h2 { font-size: clamp(40px, 8vw, 96px); }
.contact .cta { justify-content: center; margin-top: 36px; }
.magnetic { transition: transform .2s ease-out; }
footer { text-align: center; padding: 30px; color: var(--muted); font-family: var(--mono); font-size: 12px; border-top: 1px solid var(--line); }

@media (max-width: 800px) {
  .about-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  section { padding: 90px 16px; }
  .projects { grid-template-columns: 1fr; }
  .chat { height: 70vh; }
  nav a:not(.logo) { padding: 8px 10px; }
  .glow { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  .hero h1 .line span { transform: none; }
}