:root{--bg:#0a1612;--green:#4ade80;--text:#e8f5e9;--muted:#7fb89a;--border:rgba(255,255,255,0.07);--card:rgba(255,255,255,0.03)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'DM Sans',sans-serif;overflow-x:hidden}
nav{position:fixed;top:20px;left:50%;transform:translateX(-50%);z-index:100;background:rgba(10,22,18,.85);backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:999px;padding:10px 28px;display:flex;gap:32px}
nav a{color:var(--muted);text-decoration:none;font-size:14px;font-weight:500;transition:color .2s}
nav a:hover,nav a.active{color:var(--text)}
.wrap{position:relative;z-index:1;max-width:1100px;margin:0 auto;padding:110px 24px 80px}
.bc{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:36px}
.bc a{color:var(--muted);text-decoration:none}.bc a:hover{color:var(--green)}
.page-tag{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--green);margin-bottom:12px;text-align:center}
.page-title{font-family:'Playfair Display',serif;font-size:clamp(36px,6vw,70px);font-weight:900;text-align:center;margin-bottom:14px}
.page-title em{font-style:italic;color:var(--green)}
.page-sub{color:var(--muted);font-size:15px;text-align:center;max-width:460px;margin:0 auto 56px;line-height:1.7}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid1{display:grid;grid-template-columns:1fr;gap:20px;margin-top:20px}
@media(max-width:680px){.grid2{grid-template-columns:1fr}}
.gcard{background:var(--card);border:1px solid var(--border);border-radius:24px;overflow:hidden;display:flex;flex-direction:column}
.gcard-head{padding:20px 24px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px}
.g-icon{font-size:24px}
.g-title{font-family:'Playfair Display',serif;font-size:18px;font-weight:700}
.g-desc{font-size:12px;color:var(--muted);margin-top:2px}
.gbody{padding:20px 24px 24px;flex:1;display:flex;flex-direction:column;gap:13px}
.srow{display:flex;gap:10px;flex-wrap:wrap}
.sc{background:rgba(74,222,128,.07);border:1px solid rgba(74,222,128,.15);border-radius:10px;padding:7px 13px;display:flex;flex-direction:column;gap:1px}
.sc .lbl{font-size:10px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.sc .val{font-family:'JetBrains Mono',monospace;font-size:19px;font-weight:700;color:var(--green)}
.bar-wrap{height:4px;background:var(--border);border-radius:2px;overflow:hidden}
.bar{height:100%;background:var(--green);border-radius:2px;transition:width .1s linear,background .3s}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 20px;border-radius:999px;font-size:13px;font-weight:600;cursor:pointer;border:none;font-family:'DM Sans',sans-serif;transition:transform .2s,box-shadow .2s}
.btnP{background:var(--green);color:#0a1612}.btnP:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(74,222,128,.3)}
.btnO{background:transparent;color:var(--text);border:1px solid rgba(255,255,255,.15)}.btnO:hover{background:rgba(255,255,255,.06)}
.fb{font-size:13px;font-weight:600;min-height:20px}
.center{display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px;padding:16px 0}

/* TYPING */
#t-pass{background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:12px;padding:13px 16px;font-family:'JetBrains Mono',monospace;font-size:14px;line-height:1.85;user-select:none;min-height:68px}
.tc.ok{color:var(--green)}.tc.bad{color:#f87171;background:rgba(248,113,113,.15);border-radius:2px}.tc.cur{border-left:2px solid var(--green);animation:blink .8s step-end infinite}
#t-inp{width:100%;background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:12px;padding:10px 14px;font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--text);outline:none;resize:none;transition:border-color .2s}
#t-inp:focus{border-color:rgba(74,222,128,.4)}

/* COLOR */
.c-sw{width:100%;height:100px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-family:'JetBrains Mono',monospace;font-size:18px;font-weight:700;color:rgba(255,255,255,.9);text-shadow:0 2px 8px rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.08);transition:background .3s}
.c-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
.c-opt{padding:9px 6px;border-radius:10px;text-align:center;font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:600;background:rgba(255,255,255,.04);border:1px solid var(--border);cursor:pointer;color:var(--muted);transition:all .15s;user-select:none}
.c-opt:hover{background:rgba(255,255,255,.08);color:var(--text)}.c-opt.ok{background:rgba(74,222,128,.15);border-color:var(--green);color:var(--green)}.c-opt.bad{background:rgba(248,113,113,.1);border-color:#f87171;color:#f87171}

/* PUZZLE */
.p-board{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;max-width:240px;margin:0 auto}
.p-tile{aspect-ratio:1;border-radius:12px;display:flex;align-items:center;justify-content:center;font-family:'Playfair Display',serif;font-size:24px;font-weight:900;cursor:pointer;user-select:none;transition:transform .12s;background:rgba(74,222,128,.1);border:1px solid rgba(74,222,128,.2);color:var(--text)}
.p-tile:hover:not(.mt){transform:scale(.95)}.p-tile.mt{background:rgba(255,255,255,.02);border-color:rgba(255,255,255,.04);cursor:default}.p-tile.wn{background:rgba(74,222,128,.2);border-color:rgba(74,222,128,.5)}

/* QUIZ */
.q-pb{height:4px;background:var(--border);border-radius:2px;overflow:hidden}
.q-pf{height:100%;background:var(--green);border-radius:2px;transition:width .4s}
.q-question{font-family:'Playfair Display',serif;font-size:17px;font-weight:700;line-height:1.4}
.q-opts{display:flex;flex-direction:column;gap:7px}
.q-opt{padding:10px 14px;border-radius:11px;background:rgba(255,255,255,.03);border:1px solid var(--border);cursor:pointer;font-size:13px;color:var(--muted);transition:all .15s;text-align:left;user-select:none}
.q-opt:hover:not([disabled]){background:rgba(74,222,128,.07);border-color:rgba(74,222,128,.25);color:var(--text)}
.q-opt.ok{background:rgba(74,222,128,.15);border-color:var(--green);color:var(--green)}.q-opt.bad{background:rgba(248,113,113,.1);border-color:#f87171;color:#f87171}.q-opt[disabled]{cursor:not-allowed}
.big-score{font-family:'Playfair Display',serif;font-size:42px;font-weight:900;color:var(--green)}

/* FIGMA */
.fp{background:#1e1e1e;border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,.08)}
.ftb{background:#2c2c2c;padding:7px 12px;display:flex;align-items:center;gap:5px;border-bottom:1px solid rgba(255,255,255,.06)}
.fdot{width:10px;height:10px;border-radius:50%}
.fcanvas{background:#1e1e1e;padding:24px 20px;display:flex;align-items:center;justify-content:center;min-height:160px;background-image:radial-gradient(circle,rgba(255,255,255,.04) 1px,transparent 1px);background-size:20px 20px}
.ficon{width:90px;height:90px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:18px;display:flex;align-items:center;justify-content:center}
.fhint{font-size:11px;color:#555;font-family:'JetBrains Mono',monospace;letter-spacing:.06em;text-align:center;margin-top:8px}
.fsb{background:#2c2c2c;padding:5px 12px;display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.05)}
.f-opts{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.f-opt{padding:11px 12px;border-radius:11px;background:rgba(255,255,255,.03);border:1px solid var(--border);cursor:pointer;font-size:13px;color:var(--muted);transition:all .15s;display:flex;align-items:center;gap:8px;user-select:none}
.f-opt:hover:not(.dis){background:rgba(74,222,128,.07);border-color:rgba(74,222,128,.3);color:var(--text)}
.f-opt.ok{background:rgba(74,222,128,.15);border-color:var(--green);color:var(--green)}.f-opt.bad{background:rgba(248,113,113,.1);border-color:#f87171;color:#f87171}.f-opt.dis{pointer-events:none}
.fkey{width:21px;height:21px;border-radius:5px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:#888;flex-shrink:0;font-family:'JetBrains Mono',monospace}

@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
@keyframes pop{from{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}


/* ── BACK TO TOP ── */
  .back-to-home {
    display: flex;
    justify-content: center;
    margin-top: 60px;
    margin-bottom: 60px;
  }
  .back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--muted);
    text-decoration: none;
    font-size: 14px;
    transition: color .2s, border-color .2s;
  }
  .back-btn:hover { color: var(--text); border-color: rgba(255,255,255,0.2); }