:root{--primary:#00d9ff;--primary-dim:#00b8d4;--dark:#0a0a0a;--gray:#1a1a1a;--light-gray:#2a2a2a;--text:#e0e0e0;--text-dim:#a0a0a0;--user:#00d9ff;--ai:#1a1a1a}*{margin:0;padding:0;box-sizing:border-box}body,html{background:var(--dark);color:var(--text)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;line-height:1.6;min-height:100vh}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;cursor:pointer}.page{min-height:100vh;display:flex;flex-direction:column}.container{max-width:1200px;margin:0 auto;padding:0 2rem;width:100%}.container-narrow{max-width:760px;margin:0 auto;padding:0 1.5rem;width:100%}.hero{min-height:calc(100vh - 80px);display:flex;align-items:center;background:linear-gradient(135deg,var(--dark) 0,var(--gray) 100%);position:relative;overflow:hidden;padding:4rem 0}.hero:before{content:"";position:absolute;top:-50%;right:-10%;width:80%;height:200%;background:radial-gradient(ellipse at center,rgba(0,217,255,.1) 0,transparent 70%);animation:pulse 8s ease-in-out infinite;pointer-events:none}@keyframes pulse{0%,to{transform:scale(1);opacity:.5}50%{transform:scale(1.1);opacity:.8}}.hero-content{position:relative;z-index:1;width:100%;max-width:820px}.hero h1{font-size:clamp(2.2rem,5.5vw,4rem);font-weight:800;line-height:1.1;margin-bottom:1rem;background:linear-gradient(135deg,var(--primary) 0,#fff 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero .tagline{font-size:clamp(1.1rem,2.2vw,1.5rem);color:var(--text-dim);margin-bottom:1.5rem;font-weight:300;line-height:1.5}.hero .subtitle{font-size:1rem;color:var(--text);margin-bottom:2.5rem;max-width:620px;line-height:1.7}.btn{padding:1.1rem 2.3rem;font-size:1.05rem;font-weight:600;border:none;border-radius:8px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:.5rem;transition:all .25s ease}.btn-primary{background:var(--primary);color:var(--dark)}.btn-primary:hover:not(:disabled){background:var(--primary-dim);transform:translateY(-2px);box-shadow:0 10px 25px rgba(0,217,255,.3)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:transparent;color:var(--primary);border:2px solid var(--primary)}.btn-secondary:hover{background:var(--primary);color:var(--dark)}.card{background:var(--gray);padding:1.5rem 1.75rem;border-radius:12px;border:1px solid var(--light-gray);transition:all .25s ease}.card:hover{border-color:var(--primary);box-shadow:0 6px 25px rgba(0,217,255,.12)}.chat-screen{min-height:100vh;display:flex;flex-direction:column;background:var(--dark)}.chat-header{padding:1rem 1.5rem;border-bottom:1px solid var(--light-gray);background:var(--gray)}.chat-header-title{font-size:.95rem;color:var(--text-dim)}.chat-header-title strong{color:var(--primary)}.chat-messages{flex:1 1;overflow-y:auto;padding:1.5rem}.chat-messages-inner{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:.85rem}.bubble{max-width:80%;padding:.85rem 1.1rem;border-radius:16px;white-space:pre-wrap;line-height:1.55;font-size:.98rem}.bubble-ai{background:var(--gray);color:var(--text);align-self:flex-start;border-top-left-radius:4px;border:1px solid var(--light-gray)}.bubble-user{background:var(--primary);color:var(--dark);align-self:flex-end;border-top-right-radius:4px;font-weight:500}.bubble-typing{background:var(--gray);color:var(--text-dim);align-self:flex-start;border:1px solid var(--light-gray);border-top-left-radius:4px;padding:.85rem 1.1rem;border-radius:16px;font-style:italic}.chat-input-bar{border-top:1px solid var(--light-gray);padding:1rem 1.5rem;background:var(--gray)}.chat-input-form{max-width:720px;margin:0 auto;display:flex;gap:.75rem}.chat-input{flex:1 1;padding:.85rem 1.1rem;background:var(--dark);border:1px solid var(--light-gray);border-radius:10px;color:var(--text);font-size:1rem;font-family:inherit}.chat-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,217,255,.15)}.chat-send-btn{padding:.85rem 1.4rem;background:var(--primary);color:var(--dark);border:none;border-radius:10px;font-weight:600;font-size:1rem;transition:all .2s ease}.chat-send-btn:hover:not(:disabled){background:var(--primary-dim);transform:translateY(-1px)}.chat-send-btn:disabled{opacity:.4;cursor:not-allowed}.loading-view{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;text-align:center}.loading-pulse{width:80px;height:80px;border-radius:50%;background:var(--primary);margin-bottom:2rem;animation:pulse-dot 1.6s ease-in-out infinite;box-shadow:0 0 60px rgba(0,217,255,.5)}@keyframes pulse-dot{0%,to{transform:scale(1);opacity:.8}50%{transform:scale(1.15);opacity:1}}.loading-text{font-size:1.2rem;color:var(--text);margin-bottom:.5rem}.loading-sub{font-size:.95rem;color:var(--text-dim)}.result-image{width:100%;max-width:760px;height:auto;display:block;border-radius:12px;margin:2rem auto;border:1px solid var(--light-gray)}.result-section{margin:2.5rem 0}.result-section h2{font-size:1.5rem;color:var(--primary);margin-bottom:1rem;padding-bottom:.4rem;border-bottom:1px solid var(--light-gray)}.result-einschaetzung{background:var(--gray);border-left:3px solid var(--primary);padding:1.4rem 1.6rem;border-radius:8px;font-size:1.05rem;line-height:1.65}.step-card{display:flex;gap:1rem;background:var(--gray);padding:1.3rem 1.5rem;border-radius:10px;margin-bottom:1rem;border:1px solid var(--light-gray);border-left:3px solid var(--primary);transition:all .2s ease}.step-card:hover{border-color:var(--primary);border-left-color:var(--primary)}.step-num{flex-shrink:0;width:32px;height:32px;border-radius:50%;background:var(--primary);color:var(--dark);display:flex;align-items:center;justify-content:center;font-weight:700}.step-body{flex:1 1}.step-body h3{color:var(--text);font-size:1.15rem;margin-bottom:.5rem}.step-body p{color:#c8c8c8;margin-bottom:.8rem}.step-meta{display:flex;flex-direction:column;gap:.35rem;font-size:.92rem;color:var(--text-dim)}.step-meta-label{color:var(--primary);font-weight:600;margin-right:.3rem}.matrix-card{background:var(--gray);border:1px solid var(--light-gray);border-radius:10px;padding:1.5rem}.matrix-card .comment{color:#c8c8c8;margin-bottom:1.2rem}.matrix-svg{width:100%;max-width:460px;height:auto;display:block;margin:0 auto}.email-block{background:var(--gray);border:1px solid var(--light-gray);border-radius:10px;padding:1.5rem;margin-top:3rem}.email-block h3{color:var(--text);font-size:1.1rem;margin-bottom:.4rem}.email-block p{color:var(--text-dim);margin-bottom:1rem;font-size:.95rem}.email-form{display:flex;gap:.6rem;flex-wrap:wrap}.email-form input{flex:1 1;min-width:160px;padding:.75rem 1rem;background:var(--dark);border:1px solid var(--light-gray);border-radius:8px;color:var(--text);font-family:inherit;font-size:.95rem}.email-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,217,255,.15)}.email-form button{padding:.75rem 1.4rem;background:var(--primary);color:var(--dark);border:none;border-radius:8px;font-weight:600;font-size:.95rem;transition:all .2s ease}.email-form button:hover:not(:disabled){background:var(--primary-dim)}.email-form button:disabled{opacity:.5;cursor:not-allowed}.email-success{color:var(--primary);margin-top:.8rem;font-size:.95rem}.email-error{color:#ff6b6b;margin-top:.8rem;font-size:.9rem}.footer{padding:2rem 1.5rem;text-align:center;color:var(--text-dim);font-size:.85rem;border-top:1px solid var(--light-gray)}.footer a{color:var(--primary)}.error-banner{background:hsla(0,100%,71%,.12);border:1px solid hsla(0,100%,71%,.4);color:#ff8a8a;padding:.8rem 1.1rem;border-radius:8px;margin:1rem 0;font-size:.95rem}@media (max-width:640px){.container,.container-narrow{padding:0 1rem}.hero{padding:3rem 0}.btn{padding:1rem 1.8rem}.bubble{max-width:90%}.chat-input-bar,.chat-messages{padding:1rem}.step-card{padding:1rem 1.1rem}}