/* Public Labs home (KodeKloud-style): hero lab window, learning paths, playgrounds, catalog. */
.kk{--kk-navy:#0b1220;--kk-navy-2:#111a2e;--kk-line:#22304a;--kk-green:#22c55e}
.kk-hero{background:var(--kk-navy);color:#fff;padding:64px 0 56px;overflow:hidden}
.kk-hero .container{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.kk-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#93c5fd;background:#13213b;border:1px solid var(--kk-line);padding:6px 12px;border-radius:999px}
.kk-dot{width:8px;height:8px;border-radius:50%;background:var(--kk-green);animation:kk-pulse 1.6s infinite}
@keyframes kk-pulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.6)}70%{box-shadow:0 0 0 8px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.kk-hero h1{color:#fff;font-size:clamp(2.2rem,4.2vw,3.4rem);line-height:1.08;letter-spacing:-.022em;margin:18px 0 16px}
.kk-hero h1 .kk-rot{color:#60a5fa;display:inline-block;min-width:6ch}
.kk-hero p.lead{color:#c7d2e3;font-size:1.12rem;max-width:34em}
.kk-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.kk-cta .btn-ghost{color:#fff;border-color:#334561}
.kk-trust{display:flex;gap:22px;flex-wrap:wrap;margin-top:28px;color:#9fb0c8;font-size:.9rem}
.kk-trust span{display:inline-flex;align-items:center;gap:7px}
.kk-trust svg{color:var(--kk-green)}
/* lab window */
.kk-win{background:#0f172a;border:1px solid var(--kk-line);border-radius:14px;overflow:hidden;box-shadow:0 30px 60px -30px rgba(0,0,0,.6);transform:translateY(14px);opacity:0;animation:kk-up .7s .15s forwards}
.kk-win-bar{display:flex;align-items:center;gap:8px;padding:10px 14px;background:#111c33;border-bottom:1px solid var(--kk-line);font-size:.8rem;color:#94a3b8}
.kk-win-bar i{width:11px;height:11px;border-radius:50%;display:inline-block}
.kk-win-bar .kk-timer{margin-left:auto;font-variant-numeric:tabular-nums;color:#cbd5e1}
.kk-win-body{display:grid;grid-template-columns:200px 1fr;min-height:310px}
.kk-tasks{border-right:1px solid var(--kk-line);padding:14px;display:flex;flex-direction:column;gap:8px;background:#0d1528}
.kk-tasks b{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:#64748b}
.kk-task{display:flex;gap:9px;align-items:flex-start;font-size:.82rem;color:#cbd5e1;padding:8px;border-radius:8px;border:1px solid transparent;transition:all .3s}
.kk-task .kk-c{flex:none;width:18px;height:18px;border-radius:50%;border:2px solid #475569;display:grid;place-items:center;transition:all .3s}
.kk-task.is-now{border-color:#1e3a8a;background:#111f3d}
.kk-task.is-ok .kk-c{background:var(--kk-green);border-color:var(--kk-green)}
.kk-task.is-ok .kk-c::after{content:"";width:8px;height:4px;border:2px solid #fff;border-top:0;border-right:0;transform:rotate(-45deg) translate(1px,-1px)}
.kk-term{padding:16px 18px;font:500 .86rem/1.65 'IBM Plex Mono',ui-monospace,monospace;color:#e2e8f0;position:relative}
.kk-term .p{color:#4ade80}.kk-term .o{color:#94a3b8}
.kk-caret{display:inline-block;width:8px;height:1.05em;background:#e2e8f0;vertical-align:-2px;animation:kk-blink 1s steps(1) infinite}
@keyframes kk-blink{50%{opacity:0}}
.kk-toast{position:absolute;right:14px;bottom:14px;background:#052e16;border:1px solid #166534;color:#bbf7d0;font:600 .82rem var(--font);padding:9px 12px;border-radius:10px;display:flex;gap:8px;align-items:center;transform:translateY(10px);opacity:0;transition:all .35s}
.kk-toast.show{transform:none;opacity:1}
.kk-xp{position:absolute;right:22px;bottom:56px;color:#fde047;font:800 1rem var(--font);opacity:0}
.kk-xp.fly{animation:kk-xp 1.1s ease-out}
@keyframes kk-xp{0%{opacity:0;transform:translateY(8px)}20%{opacity:1}100%{opacity:0;transform:translateY(-34px)}}
@keyframes kk-up{to{transform:none;opacity:1}}
/* stats */
.kk-stats{background:#fff;border-bottom:1px solid var(--line)}
.kk-stats .container{display:grid;grid-template-columns:repeat(4,1fr)}
.kk-stat{padding:26px 10px;text-align:center;border-right:1px solid var(--line-2)}
.kk-stat:last-child{border-right:0}
.kk-stat b{display:block;font:800 2.1rem/1 var(--font-display);color:var(--ink);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.kk-stat span{color:var(--muted);font-size:.92rem}
/* sections */
.kk-sec{padding:72px 0}
.kk-sec.alt{background:#fff}
.kk-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.kk-head h2{font-size:clamp(1.6rem,2.6vw,2.1rem);margin:0}
.kk-head p{margin:6px 0 0;color:var(--muted);max-width:40em}
.kk-reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.kk-reveal.in{opacity:1;transform:none}
/* paths */
.kk-paths{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.kk-path{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;transition:transform .25s,box-shadow .25s,border-color .25s;position:relative;overflow:hidden}
.kk-path:hover{transform:translateY(-4px);box-shadow:0 18px 40px -24px rgba(7,17,31,.35);border-color:#c9d6e8}
.kk-path::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c)}
.kk-path-h{display:flex;gap:14px;align-items:center}
.kk-ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;color:#fff;background:var(--c);flex:none}
.kk-path h3{margin:0;font-size:1.15rem}
.kk-path p{margin:2px 0 0;color:var(--muted);font-size:.92rem}
.kk-steps{display:flex;align-items:center;margin-top:20px;gap:0}
.kk-step{flex:1;position:relative;text-align:center}
.kk-step .n{width:34px;height:34px;margin:0 auto 8px;border-radius:50%;background:#fff;border:2px solid var(--c);color:var(--c);font-weight:800;display:grid;place-items:center;position:relative;z-index:1;transition:background .4s,color .4s}
.kk-path.in .kk-step .n{background:var(--c);color:#fff}
.kk-step b{display:block;font-size:.86rem;color:var(--ink)}
.kk-step small{color:var(--muted);font-size:.78rem}
.kk-step:not(:last-child)::after{content:"";position:absolute;top:17px;left:calc(50% + 17px);right:calc(-50% + 17px);height:2px;background:var(--line);}
.kk-step:not(:last-child)::before{content:"";position:absolute;top:17px;left:calc(50% + 17px);height:2px;width:0;background:var(--c);z-index:1;transition:width .9s ease .2s}
.kk-path.in .kk-step:not(:last-child)::before{width:calc(100% - 34px)}
.kk-step:nth-child(2) .n{transition-delay:.5s}.kk-step:nth-child(3) .n{transition-delay:1s}
.kk-step:nth-child(2)::before{transition-delay:.7s!important}
/* playgrounds */
.kk-grounds{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.kk-ground{background:var(--kk-navy);color:#fff;border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:10px;border:1px solid var(--kk-line);transition:transform .25s,border-color .25s}
.kk-ground:hover{transform:translateY(-4px);border-color:#3b82f6}
.kk-ground .kk-ico{background:var(--c)}
.kk-ground h3{color:#fff;margin:4px 0 0;font-size:1.05rem}
.kk-ground p{color:#a8b6cc;font-size:.86rem;margin:0;flex:1}
.kk-ground .row{display:flex;justify-content:space-between;align-items:center;font-size:.8rem;color:#94a3b8}
.kk-ready{display:inline-flex;align-items:center;gap:6px;color:#86efac}
.kk-soon{color:#94a3b8}
.kk-ground .btn{justify-content:center}
/* how */
.kk-how{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:how}
.kk-how li{list-style:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;position:relative}
.kk-how li::before{counter-increment:how;content:counter(how);position:absolute;top:16px;right:18px;font:800 1.6rem var(--font-display);color:var(--brand-100)}
.kk-how .kk-ico{background:var(--brand);margin-bottom:12px}
.kk-how h3{font-size:1rem;margin:0 0 4px}
.kk-how p{margin:0;color:var(--muted);font-size:.9rem}
/* catalog */
.kk-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.kk-tab{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 14px;font:600 .88rem var(--font);color:var(--text);cursor:pointer;display:inline-flex;gap:7px;align-items:center;transition:all .2s}
.kk-tab i{width:9px;height:9px;border-radius:50%;background:var(--c)}
.kk-tab.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.kk-tab small{color:inherit;opacity:.65}
.kk-search{margin-left:auto;position:relative}
.kk-search input{border:1px solid var(--line);border-radius:999px;padding:9px 14px 9px 36px;font:inherit;width:240px}
.kk-search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted)}
.kk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.kk-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s;color:inherit}
.kk-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px -26px rgba(7,17,31,.4);color:inherit}
.kk-card-top{height:6px;background:var(--c)}
.kk-card-b{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.kk-card .meta{display:flex;gap:8px;align-items:center;font-size:.78rem;color:var(--muted)}
.kk-tag{font-weight:700;color:var(--c);background:color-mix(in srgb,var(--c) 10%,#fff);padding:3px 8px;border-radius:6px}
.kk-card h3{font-size:1rem;line-height:1.3;margin:0;color:var(--ink)}
.kk-card p{font-size:.86rem;color:var(--muted);margin:0;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.kk-card-f{display:flex;gap:14px;font-size:.8rem;color:var(--muted);border-top:1px solid var(--line-2);padding:12px 18px}
.kk-card-f span{display:inline-flex;gap:5px;align-items:center}
.kk-more{text-align:center;margin-top:22px}
/* leaderboard + challenge */
.kk-duo{display:grid;grid-template-columns:1.2fr 1fr;gap:18px}
.kk-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.kk-lead{list-style:none;margin:12px 0 0;padding:0}
.kk-lead li{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--line-2)}
.kk-lead .r{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:.85rem;background:#f1f5f9;color:var(--ink)}
.kk-lead li:nth-child(1) .r{background:#fef3c7;color:#92400e}
.kk-lead .xp{margin-left:auto;font-weight:700;color:var(--ink)}
.kk-empty{color:var(--muted);font-size:.92rem;padding:18px 0}
.kk-chal{background:var(--kk-navy);color:#fff;border-color:var(--kk-line)}
.kk-chal h3{color:#fff}
.kk-chal p{color:#b6c3d7}
.kk-count{display:flex;gap:10px;margin:14px 0 18px}
.kk-count div{background:#13213b;border:1px solid var(--kk-line);border-radius:10px;padding:10px 12px;text-align:center;min-width:64px}
.kk-count b{display:block;font:800 1.4rem var(--font-display);color:#fff;font-variant-numeric:tabular-nums}
.kk-count small{color:#94a3b8;font-size:.72rem}
/* cta */
.kk-band{background:var(--brand);color:#fff;padding:52px 0}
.kk-band .container{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.kk-band h2{color:#fff;margin:0}
.kk-band p{margin:6px 0 0;color:#dbeafe}
@media (max-width:1100px){.kk-grounds{grid-template-columns:repeat(3,1fr)}.kk-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:900px){.kk-hero .container,.kk-paths,.kk-duo{grid-template-columns:1fr}.kk-how{grid-template-columns:repeat(2,1fr)}.kk-stats .container{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.kk-grounds,.kk-grid,.kk-how{grid-template-columns:1fr}.kk-win-body{grid-template-columns:1fr}.kk-tasks{display:none}.kk-search{margin-left:0;width:100%}.kk-search input{width:100%}.kk-sec{padding:52px 0}}
@media (prefers-reduced-motion:reduce){.kk *{animation:none!important;transition:none!important}.kk-reveal{opacity:1;transform:none}.kk-win{opacity:1;transform:none}}
.kk-chal-list{list-style:none;margin:14px 0 18px;padding:0}
.kk-chal-list li{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid var(--kk-line);font-size:.9rem}
.kk-chal-list a{color:#e2e8f0}.kk-chal-list a:hover{color:#93c5fd}
.kk-chal-list span{color:#94a3b8;white-space:nowrap}
.kk-duo:has(> :only-child){grid-template-columns:1fr}