:root{color-scheme:dark;--background:#07111f;--surface:#0d1b2e;--surface-2:#12243b;--text:#f5f9ff;--muted:#9db0c8;--accent:#38bdf8;--border:rgba(255,255,255,.1)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{position:relative;isolation:isolate;margin:0;min-height:100vh;background:radial-gradient(circle at 50% 0,#102c48 0,var(--background) 45%);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body:before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background-image:url(/help-me-watermark.png);background-repeat:no-repeat;background-position:center 18%;background-size:min(1000px,92vw) auto;opacity:.07;filter:saturate(.85) brightness(.9)}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.container{width:min(1120px,calc(100% - 40px));margin:0 auto}.header{position:-webkit-sticky;position:sticky;top:0;z-index:20;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:rgba(7,17,31,.78);border-bottom:1px solid var(--border)}.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;font-size:1.15rem;font-weight:800;letter-spacing:.08em}.brand-logo{width:38px;height:38px;object-fit:contain;border-radius:50%;margin-right:10px}.nav{display:flex;gap:20px;color:var(--muted);font-size:.95rem}.nav a:hover{color:var(--text)}.hero{padding:110px 0 80px;text-align:center}.eyebrow{color:var(--accent);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:.78rem}.hero h1{margin:18px auto;max-width:900px;font-size:clamp(2.7rem,7vw,5.6rem);line-height:.98;letter-spacing:-.05em}.hero p{max-width:680px;margin:0 auto;color:var(--muted);font-size:1.15rem;line-height:1.7}.actions{margin-top:32px;display:flex;gap:12px;flex-wrap:wrap}.actions,.button{justify-content:center}.button{display:inline-flex;align-items:center;border:1px solid var(--border);border-radius:999px;padding:12px 20px;background:var(--surface);color:var(--text);cursor:pointer;transition:transform .2s ease,border-color .2s ease,opacity .2s ease}.button:hover:not(:disabled){transform:translateY(-1px);border-color:rgba(56,189,248,.5)}.button:disabled{opacity:.5;cursor:not-allowed}.button.primary{background:var(--accent);color:#03111d;border-color:transparent;font-weight:800}.grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:18px;gap:18px;padding:24px 0 100px}.assistant-card,.card{padding:26px;border:1px solid var(--border);border-radius:22px;background:linear-gradient(180deg,rgba(18,36,59,.9),rgba(13,27,46,.75));box-shadow:0 24px 70px rgba(0,0,0,.18)}.card h2{margin-top:0}.card p{line-height:1.65}.card p,.footer{color:var(--muted)}.footer{border-top:1px solid var(--border);padding:28px 0;font-size:.9rem}.help-page{min-height:100vh;padding:44px 0 90px}.help-brand{display:flex;align-items:center;gap:12px;margin:0 0 28px;font-weight:800;letter-spacing:.08em}.help-brand img{width:54px;height:54px;object-fit:contain;border-radius:50%}.back-link{color:var(--muted);display:inline-block;margin-bottom:28px}.back-link:hover{color:var(--text)}.assistant-card{max-width:900px;margin:0 auto;padding:clamp(22px,4vw,40px)}.assistant-card h1{margin:12px 0;font-size:clamp(2.4rem,6vw,4.6rem);letter-spacing:-.04em}.assistant-card>p{color:var(--muted);line-height:1.7}.example-list{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}.example-chip{border:1px solid var(--border);border-radius:999px;padding:9px 13px;background:rgba(255,255,255,.04);color:var(--muted);cursor:pointer}.example-chip:hover{color:var(--text);border-color:rgba(56,189,248,.45)}.chat-card form{margin-top:18px;display:grid;grid-gap:10px;gap:10px}.chat-window{height:min(58vh,620px);min-height:360px;overflow-y:auto;padding:22px;border:1px solid var(--border);border-radius:22px;background:rgba(4,12,24,.7);display:flex;flex-direction:column;gap:16px;scroll-behavior:smooth}.chat-empty{margin:auto;max-width:560px;text-align:center;color:var(--muted);line-height:1.7}.chat-empty strong{display:block;color:var(--accent);margin-bottom:8px;letter-spacing:.08em}.chat-row{display:flex;gap:10px;align-items:flex-end;max-width:86%}.chat-row.user{align-self:flex-end;flex-direction:row-reverse}.chat-row.assistant{align-self:flex-start}.chat-avatar{width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;border-radius:50%;background:var(--surface-2);border:1px solid var(--border)}.chat-bubble{padding:13px 16px;border-radius:18px;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere}.chat-row.user .chat-bubble{background:rgba(56,189,248,.16);border:1px solid rgba(56,189,248,.28);border-bottom-right-radius:6px}.chat-row.assistant .chat-bubble{background:var(--surface);border:1px solid var(--border);border-bottom-left-radius:6px}.chat-label{font-size:.72rem;font-weight:800;color:var(--accent);margin-bottom:4px;letter-spacing:.04em}.typing span{letter-spacing:5px;animation:pulse 1.2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.35}50%{opacity:1}}.chat-input-form{padding-top:4px}.chat-input-row{display:flex;gap:10px;align-items:flex-end}.chat-input-row textarea{flex:1 1;width:100%;resize:none;min-height:58px;max-height:150px;border:1px solid var(--border);border-radius:18px;background:rgba(7,17,31,.85);color:var(--text);padding:16px;outline:none}.chat-input-row textarea:focus{border-color:rgba(56,189,248,.7);box-shadow:0 0 0 3px rgba(56,189,248,.1)}.chat-voice{width:58px;height:58px;padding:0;border-radius:18px;font-size:1.2rem;flex:0 0 58px}\n.chat-voice.listening{border-color:rgba(56,189,248,.75);background:rgba(56,189,248,.16);box-shadow:0 0 0 4px rgba(56,189,248,.08),0 0 22px rgba(56,189,248,.18);animation:voice-pulse 1.1s ease-in-out infinite}\n.chat-send{width:58px;height:58px;padding:0;border-radius:18px;font-size:1.25rem}\n@keyframes voice-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.04)}}.form-footer{display:flex;justify-content:space-between;color:var(--muted);font-size:.78rem;min-height:18px}.reply{margin-top:20px;padding:18px;border-radius:16px;background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.2);line-height:1.6}.legal-page{min-height:100vh;padding:44px 0 0;background:radial-gradient(circle at 50% 0,rgba(16,44,72,.85),var(--background) 48%)}.legal-shell{max-width:900px}.legal-brand{display:flex;align-items:center;gap:12px;margin:28px 0 34px;font-weight:800;letter-spacing:.08em}.legal-logo{width:52px;height:52px;object-fit:contain;border-radius:50%}.legal-intro{color:var(--muted);line-height:1.7;margin-bottom:34px}.legal-card{margin:18px 0;padding:28px;border:1px solid var(--border);border-radius:22px;background:linear-gradient(180deg,rgba(18,36,59,.9),rgba(13,27,46,.75));box-shadow:0 24px 70px rgba(0,0,0,.14)}.legal-card h2{margin-top:0}.legal-card p{color:var(--muted);line-height:1.75}.legal-card a,.legal-footer a{color:var(--accent)}.legal-footer{margin-top:50px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.legal-footer nav{display:flex;gap:16px;flex-wrap:wrap}.access-overlay{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:20px;background:rgba(2,8,18,.82);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.access-card{width:min(560px,100%);max-height:calc(100vh - 40px);overflow-y:auto;padding:clamp(28px,5vw,46px);border:1px solid rgba(56,189,248,.25);border-radius:28px;background:linear-gradient(180deg,rgba(18,36,59,.98),rgba(7,17,31,.98));box-shadow:0 30px 100px rgba(0,0,0,.5);text-align:center}.access-logo{width:78px;height:78px;object-fit:contain;border-radius:50%;margin-bottom:18px}.access-card h2{margin:12px 0 14px;font-size:clamp(1.7rem,4vw,2.35rem)}.access-card p{color:var(--muted);line-height:1.7}.access-note{font-size:.9rem}.access-actions,.login-actions{display:grid;grid-gap:12px;gap:12px;margin-top:24px}.access-legal{display:inline-block;margin-top:20px;color:var(--accent);font-size:.9rem}.login-card{width:min(500px,100%)}.social{width:100%}.social.google{background:#fff;color:#202124;border-color:#fff}.social.facebook{background:#1877f2;color:#fff;border-color:#1877f2}.divider{display:flex;align-items:center;gap:12px;margin:24px 0;color:var(--muted)}.divider:after,.divider:before{content:"";flex:1 1;height:1px;background:var(--border)}.email-login{display:grid;grid-gap:10px;gap:10px;text-align:left}.email-login label{color:var(--muted);font-size:.9rem}.email-login input{width:100%;border:1px solid var(--border);border-radius:14px;background:rgba(7,17,31,.75);color:var(--text);padding:13px 15px;outline:none}.email-login input:focus{border-color:rgba(56,189,248,.7);box-shadow:0 0 0 3px rgba(56,189,248,.1)}.access-message{margin-top:16px;padding:12px;border-radius:12px;background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.2);font-size:.88rem}@media (max-width:760px){.container{width:min(100% - 28px,680px)}.nav{display:none}.hero{padding:78px 0 54px}.grid{grid-template-columns:1fr;padding-bottom:60px}.legal-page{padding-top:28px}.legal-card{padding:22px}.legal-footer{flex-direction:column}body:before{background-size:820px auto;opacity:.05}.chat-window{min-height:420px;height:62vh;padding:14px}.chat-row{max-width:94%}.chat-input-row{align-items:stretch}.chat-send,.chat-voice{width:54px;height:54px;flex-basis:54px}}