:root{--bg:#F8FAFC;--ink:#0A0F1C;--muted:#667085;--blue:#2563EB;--blue2:#4F46E5;--line:#E5E7EB;--green:#16A34A;--danger:#B42318;--shadow:0 24px 80px rgba(15,23,42,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--ink);background:radial-gradient(circle at 8% -8%,rgba(37,99,235,.18),transparent 32%),radial-gradient(circle at 92% 4%,rgba(79,70,229,.15),transparent 31%),linear-gradient(180deg,#fff 0%,#F8FAFC 52%,#EEF3FF 100%);min-height:100vh}
a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 36px));margin:0 auto}.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.84);backdrop-filter:blur(20px);border-bottom:1px solid rgba(226,232,240,.75)}.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:13px}.mark{width:48px;height:48px;border-radius:18px;display:grid;place-items:center;color:#fff;font-size:25px;font-weight:950;background:linear-gradient(135deg,#0A0F1C,#172554 55%,#2563EB);box-shadow:0 18px 48px rgba(37,99,235,.25)}.brand strong{display:block;font-size:24px;font-weight:950;letter-spacing:-.05em}.brand small{display:block;margin-top:4px;color:var(--muted);font-size:11px;font-weight:850;text-transform:uppercase;letter-spacing:.10em}.links{display:flex;gap:26px;color:#475569;font-size:14px;font-weight:850}.btn{border:0;border-radius:17px;min-height:52px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;font-weight:950;cursor:pointer;transition:.2s}.btn:hover{transform:translateY(-2px)}.primary{background:linear-gradient(90deg,var(--blue),var(--blue2));color:#fff;box-shadow:0 20px 55px rgba(37,99,235,.27)}.dark{background:var(--ink);color:#fff}.light{background:#fff;border:1px solid var(--line)}.hero{padding:80px 0}.grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}.badge,.label{display:inline-flex;align-items:center;gap:9px;padding:9px 14px;border-radius:999px;background:#EFF6FF;border:1px solid #DBEAFE;color:#1D4ED8;font-size:13px;font-weight:950}.badge:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px rgba(37,99,235,.13)}h1{margin:24px 0 22px;font-size:clamp(44px,7vw,82px);line-height:.95;letter-spacing:-.075em;font-weight:950}h1 span{display:block;background:linear-gradient(90deg,var(--blue),var(--blue2));-webkit-background-clip:text;background-clip:text;color:transparent}.lead{color:#526174;font-size:20px;line-height:1.7}.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}.card,.panel,.pricing-card,.topic,.answer-box{background:rgba(255,255,255,.88);border:1px solid rgba(226,232,240,.85);border-radius:30px;padding:30px;box-shadow:var(--shadow)}.window{border-radius:36px;overflow:hidden;background:rgba(255,255,255,.88);border:1px solid rgba(255,255,255,.82);box-shadow:var(--shadow);backdrop-filter:blur(24px)}.window-top{padding:22px;border-bottom:1px solid #EEF2F7;display:flex;justify-content:space-between}.online{font-size:12px;font-weight:950;color:#15803D;background:#ECFDF3;border:1px solid #BBF7D0;border-radius:999px;padding:7px 12px}.chat{padding:24px}.bubble{border-radius:24px;padding:20px;margin-bottom:16px}.user{background:#F1F5F9}.ai{background:linear-gradient(145deg,#0A0F1C,#172554);color:#fff}.ai p{color:#DBEAFE}.section{padding:75px 0}.head{text-align:center;max-width:820px;margin:0 auto 42px}h2{margin:18px 0 0;font-size:clamp(34px,5vw,56px);line-height:1.03;letter-spacing:-.055em;font-weight:950}.head p{color:var(--muted);font-size:18px;line-height:1.7}.cards,.topics,.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.topics{grid-template-columns:repeat(4,1fr)}.num{width:56px;height:56px;border-radius:20px;display:grid;place-items:center;color:#fff;font-weight:950;background:linear-gradient(135deg,var(--blue),var(--blue2));margin-bottom:22px}.ask-wrap{padding:70px 0}.ask-panel{background:radial-gradient(circle at 90% 0%,rgba(59,130,246,.36),transparent 42%),linear-gradient(145deg,#0A0F1C,#172554);color:#fff;border-radius:42px;padding:44px;box-shadow:0 45px 130px rgba(15,23,42,.34)}label{display:block;margin:16px 0 8px;color:#E0EAFF;font-size:14px;font-weight:950}input,select,textarea{width:100%;border:1px solid rgba(255,255,255,.14);border-radius:18px;background:rgba(255,255,255,.96);color:var(--ink);padding:15px 16px;outline:none;font-weight:650}textarea{min-height:180px;resize:vertical;line-height:1.6}.form-note{font-size:13px;color:#BFDBFE;line-height:1.5}.response{margin-top:18px}.ai-loading,.ai-answer,.ai-error{border-radius:22px;padding:20px;line-height:1.7}.ai-loading{background:rgba(255,255,255,.09);color:#DBEAFE}.ai-answer{background:#fff;color:var(--ink)}.ai-error{background:#FEF2F2;color:#991B1B}.dashboard{padding:50px 0}.dash-grid{display:grid;grid-template-columns:320px 1fr;gap:22px}.side{position:sticky;top:100px;align-self:start}.history-item{padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff;margin-bottom:12px}.plan-badge{display:inline-flex;padding:7px 12px;border-radius:999px;background:#EFF6FF;color:#1D4ED8;font-size:13px;font-weight:900}.premium{border:2px solid rgba(37,99,235,.35)}.price{font-size:42px;font-weight:950;letter-spacing:-.05em;margin:18px 0}.muted{color:var(--muted)}footer{padding:35px 0;border-top:1px solid var(--line);background:rgba(255,255,255,.62)}.foot{display:flex;justify-content:space-between;align-items:center;gap:20px;color:var(--muted);font-size:14px}.alert{padding:14px 16px;border-radius:16px;margin:14px 0;font-weight:800}.alert.error{background:#FEF2F2;color:#991B1B}.alert.ok{background:#ECFDF3;color:#166534}
@media(max-width:950px){.grid,.cards,.pricing,.dash-grid{grid-template-columns:1fr}.topics{grid-template-columns:repeat(2,1fr)}.links{display:none}}@media(max-width:620px){.container{width:calc(100% - 28px)}.topics{grid-template-columns:1fr}.ask-panel{padding:25px 14px}.foot{flex-direction:column;text-align:center}.brand small{display:none}.btn{width:100%}.actions{flex-direction:column}}
.formatted-answer h3{
  margin-top:26px;
  margin-bottom:12px;
  font-size:22px;
  color:#0A0F1C;
  letter-spacing:-0.03em;
}

.formatted-answer p{
  line-height:1.9;
  color:#334155;
  margin:0 0 16px;
}

.formatted-answer{
  font-size:16px;
}