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infinite}.hero-subtitle{font-family:var(--font-code);font-size:.98rem;color:var(--text-dim);line-height:1.75;max-width:540px;margin:0 auto 48px;opacity:0;animation:fadeUp 0.8s 0.6s forwards}.hero-ctas{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;opacity:0;animation:fadeUp 0.8s 0.8s forwards}.typing-cursor{display:inline-block;width:2px;height:1em;background:var(--accent);margin-left:3px;vertical-align:text-bottom;animation:blink 1s step-end infinite}.quote-section{padding:80px 48px;background:linear-gradient(135deg,rgb(0 229 255 / .04) 0%,transparent 60%);border-top:1px solid var(--border);border-bottom:1px solid var(--border);position:relative;z-index:1}.big-quote{max-width:900px;margin:0 auto;text-align:center;font-family:var(--font-mono);font-size:clamp(1.1rem, 2.2vw, 1.6rem);font-style:italic;color:var(--text);line-height:1.65;opacity:.8}.big-quote span{color:var(--accent);font-style:normal}.project-text p{font-family:var(--font-code);font-size:.88rem;color:var(--text-dim);line-height:1.85;margin-bottom:18px}.stat-card{background:var(--glass);border:1px solid var(--border);padding:30px 26px;transition:border-color 0.3s}.stat-card:hover{border-color:var(--accent)}.stat-num{font-family:var(--font-mono);font-size:2.4rem;font-weight:700;color:var(--accent);display:block;margin-bottom:5px}.stat-label{font-family:var(--font-code);font-size:.68rem;color:var(--text-dim);letter-spacing:.1em;text-transform:uppercase}.bittonic-card{background:var(--glass);border:1px solid var(--border);border-radius:4px;padding:60px;display:grid;grid-template-columns:190px 1fr;gap:60px;align-items:center;position:relative;overflow:hidden}.bittonic-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent),transparent)}.bittonic-avatar{display:flex;flex-direction:column;align-items:center;gap:14px}.bittonic-avatar-svg{width:155px;height:155px;filter:drop-shadow(0 0 28px var(--accent));animation:robotSway 3s ease-in-out infinite}.bittonic-name{font-family:var(--font-mono);font-size:1.15rem;color:var(--accent);font-weight:700}.bittonic-subtitle-tag{font-family:var(--font-code);font-size:.66rem;color:var(--text-dim);letter-spacing:.14em;text-transform:uppercase}.bittonic-desc p{font-family:var(--font-code);font-size:.9rem;color:var(--text-dim);line-height:1.9;margin-bottom:15px}.bittonic-desc strong{color:var(--accent2);font-weight:400}@media (max-width:768px){.bittonic-card{grid-template-columns:1fr;text-align:center;padding:36px 22px}}.pdf-card{background:var(--glass);border:1px solid var(--border);padding:46px 38px;position:relative;overflow:hidden;transition:border-color 0.3s,transform 0.3s;display:block;color:var(--text)}.pdf-card::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,var(--accent),transparent);opacity:0;transition:opacity 0.3s}.pdf-card:hover{border-color:var(--accent);transform:translateY(-4px)}.pdf-card:hover::after{opacity:.04}.pdf-arrow{position:absolute;top:36px;right:36px;width:38px;height:38px;border:1px solid var(--border);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:1rem;transition:all 0.3s;z-index:1}.pdf-card:hover .pdf-arrow{background:var(--accent);color:var(--bg);border-color:var(--accent)}.pdf-icon{font-size:2.4rem;margin-bottom:18px;position:relative;z-index:1}.pdf-card-title{font-size:1.35rem;font-weight:700;margin-bottom:10px;position:relative;z-index:1}.pdf-card-desc{font-family:var(--font-code);font-size:.78rem;color:var(--text-dim);line-height:1.72;position:relative;z-index:1}.code-window{background:#030508;border:1px solid var(--border);border-radius:8px;overflow:hidden;margin-top:46px;font-family:var(--font-code);font-size:.81rem}.code-header{background:rgb(255 255 255 / .015);padding:11px 20px;display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--border)}.code-dot{width:10px;height:10px;border-radius:50%}.code-dot.red{background:#ff5f57}.code-dot.yellow{background:#febc2e}.code-dot.green{background:#28c840}.code-filename{margin-left:8px;color:var(--text-dim);font-size:.72rem;letter-spacing:.05em}.code-body{padding:30px 34px;overflow-x:auto;line-height:1.82;white-space:pre}.c-comment{color:#4a5568}.c-keyword{color:#ff7b72}.c-func{color:#d2a8ff}.c-string{color:#a5d6ff}.c-num{color:#79c0ff}.c-class{color:#ffa657}.c-var{color:#c8cdd8}.qa-list{margin-top:46px}.qa-item{border:1px solid var(--border);border-radius:3px;margin-bottom:2px;overflow:hidden;transition:border-color 0.3s}.qa-item:hover{border-color:var(--accent)}.qa-question{padding:22px 30px;font-family:var(--font-mono);font-size:.85rem;display:flex;justify-content:space-between;align-items:center;gap:18px;background:var(--glass);transition:background 0.2s;cursor:pointer}.qa-question:hover{background:rgb(0 229 255 / .04)}.qa-icon{color:var(--accent);font-size:1.2rem;transition:transform 0.3s;flex-shrink:0;line-height:1}.qa-item.open .qa-icon{transform:rotate(45deg)}.qa-answer{max-height:0;overflow:hidden;transition:max-height 0.4s var(--ease)}.qa-item.open .qa-answer{max-height:400px}.qa-answer-inner{padding:18px 30px 26px;font-family:var(--font-code);font-size:.82rem;color:var(--text-dim);line-height:1.82;border-top:1px solid var(--border-dim)}.reg-form{margin-top:46px;display:flex;flex-direction:column;gap:14px}.form-row{display:flex;gap:14px}.form-input{flex:1;padding:15px 18px;background:var(--glass);border:1px solid var(--border);border-radius:2px;color:var(--text);font-family:var(--font-code);font-size:.83rem;outline:none;transition:border-color 0.3s}.form-input:focus{border-color:var(--accent)}.form-input::placeholder{color:var(--text-dim)}.form-btn{padding:15px;background:var(--accent);color:var(--bg);font-family:var(--font-mono);font-size:.83rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;border-radius:2px;transition:background 0.3s,transform 0.3s;cursor:pointer}.form-btn:hover{background:#00b8cc;transform:translateY(-2px)}@media (max-width:600px){.form-row{flex-direction:column}}.shop-card{background:var(--glass);border:1px solid var(--border);padding:38px 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.name{font-family:var(--font-mono);font-size:.83rem;color:var(--accent);font-weight:700}.chat-header-info .status{font-family:var(--font-code);font-size:.62rem;color:var(--accent2);letter-spacing:.08em}.chat-messages{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:12px;scrollbar-width:thin;scrollbar-color:var(--border) #fff0}.msg{max-width:82%;font-family:var(--font-code);font-size:.78rem;line-height:1.62;padding:11px 13px;border-radius:8px;animation:msgIn 0.3s var(--ease)}.msg.bot{background:rgb(0 229 255 / .07);border:1px solid rgb(0 229 255 / .18);align-self:flex-start;border-radius:2px 10px 10px 10px}.msg.user{background:rgb(127 255 0 / .07);border:1px solid rgb(127 255 0 / .18);align-self:flex-end;border-radius:10px 2px 10px 10px}.chat-input-area{padding:14px;border-top:1px solid var(--border);display:flex;gap:9px}.chat-input{flex:1;padding:9px 13px;background:var(--glass);border:1px solid var(--border);border-radius:6px;color:var(--text);font-family:var(--font-code);font-size:.78rem;outline:none;transition:border-color 0.2s}.chat-input:focus{border-color:var(--accent)}.chat-send{width:38px;height:38px;background:var(--accent);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:1rem;color:var(--bg);transition:background 0.2s}.chat-send:hover{background:#00b8cc}@media (max-width:480px){#chat-window{width:calc(100vw - 24px);right:12px}}footer{padding:56px 48px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}.footer-brand{font-family:var(--font-mono);font-size:.82rem;color:var(--text-dim);line-height:1.7}.footer-brand strong{color:var(--accent)}.footer-links{display:flex;gap:26px;flex-wrap:wrap}.footer-links a{font-family:var(--font-code);font-size:.68rem;color:var(--text-dim);letter-spacing:.1em;text-transform:uppercase;transition:color 0.2s}.footer-links a:hover{color:var(--accent)}@media (max-width:768px){footer{flex-direction:column;gap:22px;text-align:center;padding:40px 20px}}