:root{--bg: #05060a;--bg-elev: #0a0c13;--surface: rgba(255, 255, 255, .04);--surface-2: rgba(255, 255, 255, .07);--line: rgba(255, 255, 255, .08);--ink: #f4f4f6;--muted: rgba(235, 235, 245, .55);--accent: #1fd5f9;--accent-2: #8b5cf6;--grad: linear-gradient(135deg, #1fd5f9, #6366f1 55%, #8b5cf6);--radius: 18px;--shadow: 0 20px 50px rgba(0, 0, 0, .45)}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{font-family:Inter,Segoe UI,system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}.brand__dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--grad);margin-right:9px;box-shadow:0 0 12px #1fd5f9cc}.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;font-weight:600;font-size:15px;padding:11px 20px;border-radius:12px;transition:transform .15s ease,box-shadow .2s ease,background .2s ease;font-family:inherit}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--primary{background:var(--grad);color:#04121a;box-shadow:0 8px 24px #1fd5f940}.btn--primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 12px 30px #1fd5f959}.btn--ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}.btn--ghost:hover:not(:disabled){background:var(--surface-2)}.btn--sm{padding:7px 13px;font-size:13px;border-radius:10px}.btn--block{width:100%}.landing{min-height:100%;background:radial-gradient(900px 460px at 80% -10%,rgba(31,213,249,.12),transparent 60%),radial-gradient(700px 400px at 10% -10%,rgba(139,92,246,.14),transparent 55%),var(--bg)}.landing__nav{display:flex;align-items:center;justify-content:space-between;max-width:1120px;margin:0 auto;padding:22px 24px}.landing__brand{font-weight:700;font-size:18px;letter-spacing:-.02em}.landing__links{display:flex;gap:26px}.landing__links a{color:var(--muted);font-weight:500}.landing__links a:hover{color:var(--ink)}.hero{max-width:860px;margin:0 auto;text-align:center;padding:80px 24px 52px}.hero__badge{display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:13px;font-weight:600;color:var(--accent);box-shadow:var(--shadow);margin-bottom:26px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.hero__badge:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}.hero__title{font-size:clamp(40px,6vw,64px);line-height:1.05;letter-spacing:-.03em;margin:0 0 22px;font-weight:800}.hero__sub{font-size:19px;color:var(--muted);line-height:1.6;max-width:620px;margin:0 auto 34px}.hero__actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.features{max-width:1120px;margin:0 auto;padding:56px 24px 72px}.features__title,.how__title{text-align:center;font-size:30px;letter-spacing:-.02em;margin:0 0 38px;font-weight:800}.features__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);transition:transform .2s ease,border-color .2s ease}.card:hover{transform:translateY(-3px);border-color:#1fd5f959}.card__icon{font-size:28px;margin-bottom:14px}.card__title{font-size:17px;margin:0 0 8px}.card__body{color:var(--muted);font-size:14.5px;line-height:1.55;margin:0}.how{max-width:900px;margin:0 auto;padding:0 24px 72px}.how__steps{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center;min-width:200px;flex:1;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.step__num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--grad);color:#04121a;font-weight:700;margin-bottom:12px}.step p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.5}.landing__footer{text-align:center;padding:28px;color:var(--muted);font-size:13px}.auth-page{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(700px 420px at 50% -10%,rgba(31,213,249,.14),transparent 60%),var(--bg)}.auth-card{background:var(--bg-elev);border:1px solid var(--line);border-radius:20px;padding:38px;width:100%;max-width:400px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.auth-card__brand{display:inline-block;font-weight:700;font-size:18px;color:var(--ink);margin-bottom:24px}.auth-card__title{margin:0 0 6px;font-size:26px;letter-spacing:-.02em}.auth-card__sub{margin:0 0 28px;color:var(--muted);font-size:14.5px}.field{display:block;margin-bottom:16px}.field span{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px;color:var(--ink)}.field input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;font-size:15px;font-family:inherit;background:var(--surface);color:var(--ink);transition:border .15s ease,box-shadow .15s ease}.field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #1fd5f92e}.auth-card__error{background:#f43f5e1f;color:#fda4af;border:1px solid rgba(244,63,94,.3);border-radius:10px;padding:10px 14px;font-size:13.5px;margin-bottom:14px}.demo{height:100%;display:flex;flex-direction:column;background:radial-gradient(1000px 600px at 50% -10%,rgba(31,213,249,.08),transparent 60%),var(--bg)}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;border-bottom:1px solid var(--line);background:#05060a99;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.brand{font-weight:700;font-size:16px;letter-spacing:-.01em}.topbar__right{display:flex;align-items:center;gap:14px}.user{font-size:13.5px;color:var(--muted);font-weight:500}.stage{flex:1;display:flex;flex-direction:column;align-items:center;gap:18px;padding:28px 16px 26px;overflow-y:auto}.aura-wrap{display:flex;flex-direction:column;align-items:center;gap:14px}.aura{width:clamp(280px,62vw,440px);aspect-ratio:1;border:none;background:transparent;padding:0;cursor:pointer;-webkit-tap-highlight-color:transparent}.aura:focus-visible{outline:2px solid 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#1fd5f92e}@media (max-width: 640px){.hero__title{font-size:36px}.landing__links{display:none}.aura{width:76vw}.msg{max-width:92%}}@media (prefers-reduced-motion: reduce){.caret{animation:none!important}}