/* CareerPilot — "Code Visualizer" step-by-step execution demo (homepage #code-visualizer) */
.cvz{position:relative;padding:84px 0 72px;overflow:hidden;background:radial-gradient(circle at 10% 12%,rgba(109,40,217,.07),transparent 30%),radial-gradient(circle at 90% 80%,rgba(21,112,239,.08),transparent 32%),linear-gradient(180deg,#fff 0%,#f3f7fd 100%)}
.cvz-shell{position:relative;width:min(1320px,calc(100% - 36px));margin:0 auto}

/* Header */
.cvz-head{max-width:880px;margin:0 auto 26px;text-align:center}
.cvz-pill{display:inline-flex;align-items:center;gap:9px;padding:9px 18px;border:1px solid #ddd5fb;border-radius:999px;background:rgba(255,255,255,.85);color:#4c1d95;font-size:13.5px;font-weight:700;box-shadow:0 6px 18px rgba(76,29,149,.07)}
.cvz-pill i{color:#7c3aed;font-size:15px}
.cvz-head h2{margin:18px 0 12px;font-size:clamp(32px,4.2vw,54px);line-height:1.06;letter-spacing:-2px;color:#071542;font-weight:800}
.cvz-head h2 span{background:linear-gradient(95deg,#7c3aed 0%,#4f46e5 50%,#1570EF 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.cvz-head p{margin:0 auto;max-width:740px;font-size:clamp(15px,1.3vw,18px);color:#4f6285}
.cvz-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:9px;margin:0 0 30px;padding:0;list-style:none}
.cvz-chips li{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:#fff;border:1px solid #e1e8f3;font-size:13px;font-weight:700;color:#2b3c63}
.cvz-chips i{color:#7c3aed}

/* App window */
.cvz-app{overflow:hidden;border:1px solid #d9e2f1;border-radius:24px;background:#fff;box-shadow:0 28px 70px rgba(5,29,100,.14)}
.cvz-bar{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid #e6edf5;background:#f8fafd}
.cvz-dots{display:flex;gap:6px}.cvz-dots i{width:11px;height:11px;border-radius:50%;background:#ff5f57}.cvz-dots i:nth-child(2){background:#febc2e}.cvz-dots i:nth-child(3){background:#28c840}
.cvz-tabs{display:flex;gap:6px;margin-left:8px;overflow-x:auto}
.cvz-tab{display:inline-flex;align-items:center;gap:7px;padding:8px 13px;border:1px solid transparent;border-radius:10px;background:none;font:700 12.5px Inter,system-ui,sans-serif;color:#5a6b8c;cursor:pointer;white-space:nowrap}
.cvz-tab:hover{background:#eef2fa}
.cvz-tab[aria-selected="true"]{background:#fff;border-color:#d9e2f1;color:#4c1d95;box-shadow:0 3px 10px rgba(5,29,100,.06)}
.cvz-lang{margin-left:auto;padding:5px 10px;border-radius:8px;background:#fff1de;color:#c2410c;font-size:11.5px;font-weight:800}

.cvz-main{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);min-height:520px}

/* Code panel */
.cvz-code{position:relative;padding:18px 0;background:#0b1430;color:#d6deff;font:13.5px/1.75 ui-monospace,SFMono-Regular,Consolas,Menlo,monospace;overflow-x:auto}
.cvz-line{position:relative;display:flex;padding:0 18px 0 0;white-space:pre;transition:background .25s}
.cvz-line .no{flex-shrink:0;width:52px;padding-right:16px;text-align:right;color:#4b5a86;user-select:none}
.cvz-line.is-cur{background:linear-gradient(90deg,rgba(124,58,237,.38),rgba(124,58,237,.10))}
.cvz-line.is-cur:before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:#a78bfa}
.cvz-line.is-cur .no{color:#e9ddff}
.cvz-line.is-cur .no:after{content:'▶';position:absolute;left:8px;font-size:9px;color:#c4b5fd}
.cvz-line.is-prev{background:rgba(255,255,255,.035)}
.tk-k{color:#c792ea}.tk-t{color:#82aaff}.tk-n{color:#f78c6c}.tk-s{color:#c3e88d}.tk-c{color:#5c6a96;font-style:italic}.tk-f{color:#ffcb6b}

/* Side panels */
.cvz-side{display:grid;grid-template-rows:auto auto auto 1fr;gap:12px;padding:16px;background:#f6f8fc;min-width:0}
.cvz-panel{border:1px solid #e1e8f3;border-radius:16px;background:#fff;padding:12px 14px;min-width:0}
.cvz-panel>h4{display:flex;align-items:center;gap:7px;margin:0 0 9px;font-size:11px;font-weight:800;letter-spacing:.8px;text-transform:uppercase;color:#5a6b8c}
.cvz-panel>h4 i{font-size:13px;color:#7c3aed}
.cvz-panel>h4 small{margin-left:auto;font-size:10.5px;letter-spacing:0;text-transform:none;font-weight:700;color:#8a98b5}

.cvz-explain{display:flex;gap:12px;align-items:flex-start;border-color:#ddd5fb;background:linear-gradient(135deg,#faf7ff,#f2f6ff)}
.cvz-explain>i{flex-shrink:0;width:36px;height:36px;display:grid;place-items:center;border-radius:11px;background:#7c3aed;color:#fff;font-size:17px}
.cvz-explain b{display:block;font-size:11px;letter-spacing:.6px;text-transform:uppercase;color:#7c3aed}
.cvz-explain p{margin:2px 0 0;min-height:44px;font-size:13.5px;line-height:1.55;color:#1f2f5c}
.cvz-explain p code{padding:1px 6px;border-radius:6px;background:#ede9fe;color:#4c1d95;font:12.5px ui-monospace,Consolas,monospace}

/* Call stack */
.cvz-stack{display:flex;flex-direction:column;gap:7px;min-height:96px}
.cvz-frame{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;padding:9px 11px;border:1px solid #dfe6f2;border-left:4px solid #94a3c4;border-radius:11px;background:#fbfcfe;transition:border-color .3s,background .3s,box-shadow .3s}
.cvz-frame.is-top{border-color:#c4b5fd;border-left-color:#7c3aed;background:#f7f3ff;box-shadow:0 6px 16px rgba(124,58,237,.12)}
.cvz-frame .fn{font:700 12.5px ui-monospace,Consolas,monospace;color:#0a1b55}
.cvz-frame .top-tag{padding:2px 7px;border-radius:6px;background:#7c3aed;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:.4px}
.cvz-var{padding:2px 8px;border-radius:7px;background:#eef3fb;font:12px ui-monospace,Consolas,monospace;color:#2b3c63}
.cvz-var b{color:#1d4ed8;font-weight:700}
.cvz-var.is-chg{animation:cvzFlash .9s ease}
.cvz-ret{margin-left:auto;padding:2px 8px;border-radius:7px;background:#dcf6ee;color:#047857;font:700 11.5px ui-monospace,Consolas,monospace}
.cvz-frame.is-in{animation:cvzPush .45s cubic-bezier(.2,.8,.2,1)}
.cvz-frame.is-out{animation:cvzPop .45s ease forwards}
.cvz-empty{padding:16px;border:1px dashed #d3dcea;border-radius:11px;text-align:center;font-size:12px;color:#8a98b5}

/* Memory / array */
.cvz-arr{display:flex;gap:6px;padding:4px 0 22px;overflow-x:auto}
.cvz-cell{position:relative;flex:0 0 auto;width:50px;text-align:center}
.cvz-cell .v{display:grid;place-items:center;height:42px;border:1.5px solid #cdd8ea;border-radius:10px;background:#fff;font:700 14px ui-monospace,Consolas,monospace;color:#0a1b55;transition:background .3s,border-color .3s,transform .3s}
.cvz-cell .ix{display:block;margin-top:3px;font-size:10px;color:#8a98b5}
.cvz-cell.is-hl .v{border-color:#f28a15;background:#fff4e5;transform:translateY(-3px)}
.cvz-cell.is-done .v{border-color:#86e0c4;background:#ecfbf5}
.cvz-ptr{position:absolute;left:50%;bottom:-20px;transform:translateX(-50%);display:flex;gap:3px}
.cvz-ptr span{padding:1px 6px;border-radius:5px;font:800 10px ui-monospace,Consolas,monospace;color:#fff;background:#1d4ed8}
.cvz-ptr span.j{background:#db2777}
.cvz-mem-empty{font-size:12px;color:#8a98b5}

/* Console */
.cvz-console{min-height:58px;padding:9px 12px;border-radius:10px;background:#0b1430;font:12.5px/1.6 ui-monospace,Consolas,monospace;color:#a7f3d0}
.cvz-console .ph{color:#4b5a86}
.cvz-console div{animation:cvzType .4s ease}

/* Controls */
.cvz-ctrl{display:flex;align-items:center;gap:10px;padding:12px 16px;border-top:1px solid #e6edf5;background:#fff}
.cvz-btn{display:grid;place-items:center;width:40px;height:40px;border:1px solid #dbe3f0;border-radius:11px;background:#fff;color:#2b3c63;font-size:17px;cursor:pointer;transition:background .2s,transform .15s}
.cvz-btn:hover{background:#f1f4fb}.cvz-btn:active{transform:scale(.95)}
.cvz-btn:disabled{opacity:.4;cursor:default}
.cvz-btn:focus-visible,.cvz-tab:focus-visible{outline:3px solid #a78bfa;outline-offset:2px}
.cvz-btn.play{width:48px;height:48px;border:0;border-radius:50%;background:linear-gradient(135deg,#7c3aed,#4f46e5);color:#fff;font-size:21px;box-shadow:0 8px 20px rgba(124,58,237,.35)}
.cvz-btn.play:hover{background:linear-gradient(135deg,#6d28d9,#4338ca)}
.cvz-prog{flex:1;min-width:60px;height:8px;border-radius:999px;background:#eceff7;overflow:hidden}
.cvz-prog span{display:block;height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,#7c3aed,#1570EF);transition:width .35s ease}
.cvz-count{font-size:12.5px;font-weight:700;color:#5a6b8c;white-space:nowrap}
.cvz-speed{padding:7px 9px;border:1px solid #dbe3f0;border-radius:10px;background:#fff;font:700 12px Inter,system-ui,sans-serif;color:#2b3c63}

/* Benefits */
.cvz-benefits{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:22px}
.cvz-benefit{display:flex;gap:13px;padding:18px;border:1px solid #e1e9f3;border-radius:18px;background:#fff}
.cvz-benefit>i{flex-shrink:0;width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:#efe9ff;color:#6d28d9;font-size:19px}
.cvz-benefit:nth-child(2)>i{background:#e3efff;color:#1d4ed8}
.cvz-benefit:nth-child(3)>i{background:#dcf6ee;color:#0f9f86}
.cvz-benefit h3{margin:0 0 4px;font-size:15px;color:#0a1b55}
.cvz-benefit p{margin:0;font-size:12.5px;color:#66728a}
.cvz-cta{display:flex;justify-content:center;margin-top:26px}
.cvz-cta .btn{background:linear-gradient(135deg,#7c3aed,#4f46e5);color:#fff;box-shadow:0 10px 24px rgba(124,58,237,.3)}

@keyframes cvzPush{from{opacity:0;transform:translateY(-14px) scale(.97)}to{opacity:1;transform:none}}
@keyframes cvzPop{to{opacity:0;transform:translateX(30px) scale(.96)}}
@keyframes cvzFlash{0%{background:#fde68a;transform:scale(1.08)}100%{background:#eef3fb;transform:none}}
@keyframes cvzType{from{opacity:0;transform:translateX(-6px)}to{opacity:1;transform:none}}

@media(max-width:980px){.cvz-main{grid-template-columns:1fr}.cvz-code{max-height:none}.cvz-benefits{grid-template-columns:1fr}}
@media(max-width:640px){.cvz{padding:56px 0 48px}.cvz-shell{width:min(100% - 32px,1320px)}.cvz-code{font-size:12px}.cvz-line .no{width:38px;padding-right:10px}.cvz-line.is-cur .no:after{left:3px}.cvz-lang,.cvz-dots{display:none}.cvz-tabs{flex-wrap:wrap;margin-left:0}.cvz-tab{padding:7px 10px;font-size:12px}.cvz-ctrl{flex-wrap:wrap;gap:8px}.cvz-prog{order:5;flex-basis:100%}.cvz-speed{margin-left:auto}.cvz-side{padding:12px}}
@media(prefers-reduced-motion:reduce){.cvz-frame.is-in,.cvz-frame.is-out,.cvz-var.is-chg,.cvz-console div{animation:none}.cvz-line,.cvz-prog span,.cvz-cell .v{transition:none}}