:root{--pbi-bg:#f7f1ec;--pbi-card:#fffaf6;--pbi-ink:#241d1b;--pbi-muted:#6d625d;--pbi-line:rgba(36,29,27,.14);--pbi-accent:#9f4f45;--pbi-accent-dark:#75392f;--pbi-radius:24px}*{box-sizing:border-box}body{background:radial-gradient(circle at 10% 0%,rgba(159,79,69,.16),transparent 28%),radial-gradient(circle at 92% 12%,rgba(86,113,107,.13),transparent 30%),var(--pbi-bg);color:var(--pbi-ink);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}.pbi-topbar{position:sticky;top:0;z-index:10;background:rgba(247,241,236,.78);backdrop-filter:blur(18px);border-bottom:1px solid var(--pbi-line)}.pbi-topbar-inner{max-width:1420px;margin:0 auto;padding:14px 22px;display:flex;justify-content:space-between;align-items:center;gap:14px}.pbi-brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.04em}.pbi-brand-mark{width:42px;height:42px;border-radius:15px;display:grid;place-items:center;background:var(--pbi-accent);color:#fff;box-shadow:0 14px 30px rgba(117,57,47,.22)}.pbi-shell{max-width:1420px;margin:0 auto;padding:24px}.pbi-agent-shell{display:grid;grid-template-columns:minmax(280px,430px) 1fr;gap:24px;align-items:start}.pbi-agent-panel,.pbi-preview-panel,.pbi-agent-card{background:rgba(255,250,246,.88);border:1px solid var(--pbi-line);border-radius:var(--pbi-radius);padding:22px;box-shadow:0 18px 45px rgba(36,29,27,.08)}.pbi-agent-panel h1,.pbi-agent-panel h2,.pbi-preview-panel h2,.pbi-agent-card h2{margin:0 0 8px;font-size:clamp(1.25rem,2vw,1.8rem);letter-spacing:-.045em}.pbi-agent-panel p,.pbi-agent-card p,.pbi-preview-panel p{color:var(--pbi-muted);line-height:1.55}.pbi-agent-panel label,.pbi-agent-card label{display:block;font-weight:800;margin-top:14px;margin-bottom:6px}.pbi-agent-panel input,.pbi-agent-panel textarea,.pbi-agent-panel select,.pbi-agent-card input,.pbi-agent-card textarea,.pbi-agent-card select{width:100%;border:1px solid var(--pbi-line);border-radius:14px;padding:12px 14px;font:inherit;background:#fff;color:var(--pbi-ink)}textarea{min-height:110px;resize:vertical}.pbi-button-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.pbi-agent-button,.pbi-agent-button-secondary{border:0;border-radius:999px;padding:12px 18px;cursor:pointer;font-weight:900;transition:transform 150ms ease,opacity 150ms ease,box-shadow 150ms ease;display:inline-block}.pbi-agent-button{background:var(--pbi-accent);color:#fff;box-shadow:0 12px 24px rgba(117,57,47,.18)}.pbi-agent-button-secondary{background:rgba(159,79,69,.12);color:var(--pbi-accent-dark)}.pbi-agent-button:hover,.pbi-agent-button-secondary:hover{transform:translateY(-1px)}.pbi-agent-button:disabled{opacity:.6;cursor:wait}#aiStatus,.pbi-status{margin-top:14px;padding:12px 14px;border-radius:14px;background:rgba(36,29,27,.06);color:var(--pbi-muted)}#aiStatus:empty,.pbi-status:empty{display:none}#aiStatus[data-status=success],.pbi-status[data-status=success]{background:rgba(39,125,78,.12);color:#266640}#aiStatus[data-status=error],.pbi-status[data-status=error]{background:rgba(180,38,38,.12);color:#8d2525}#aiStatus[data-status=working],.pbi-status[data-status=working]{background:rgba(159,79,69,.12);color:var(--pbi-accent-dark)}.pbi-preview-hero{border-radius:28px;padding:clamp(24px,6vw,64px);background:radial-gradient(circle at top left,rgba(159,79,69,.18),transparent 34%),linear-gradient(135deg,#fffaf6,#f0e4dc);min-height:360px;display:grid;align-content:center;overflow:hidden;position:relative}.pbi-preview-hero h1{font-size:clamp(2rem,5vw,4.8rem);line-height:.96;margin:0 0 16px;max-width:900px;letter-spacing:-.075em;position:relative;z-index:1}.pbi-preview-hero p{max-width:720px;font-size:1.1rem;position:relative;z-index:1}.pbi-preview-services,.pbi-preview-faq,.pbi-preview-checklist{display:grid;gap:14px;margin-top:18px}.preview-service-card,.preview-faq-card,.preview-checklist-card{border:1px solid var(--pbi-line);border-radius:18px;padding:16px;background:#fff}.preview-service-card h3,.preview-faq-card h3,.preview-checklist-card h3{margin:0 0 8px}.pbi-two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.pbi-agent-chat-log{display:grid;gap:10px;max-height:300px;overflow:auto;padding:10px;border:1px solid var(--pbi-line);border-radius:18px;background:rgba(255,255,255,.52)}.pbi-chat-message{padding:10px 12px;border-radius:16px;background:#fff}.pbi-chat-message.user{background:rgba(159,79,69,.12)}.pbi-small{font-size:.9rem;color:var(--pbi-muted)}@media(max-width:980px){.pbi-agent-shell,.pbi-two-col{grid-template-columns:1fr}.pbi-shell{padding:16px}}