:root{--navy:#0f2a43;--navy-light:#1a3f63;--accent:#d97a2e;--bg:#f7f7f5;--card:#ffffff;--text:#1c2321;--text-soft:#5a6570;--border:#e2e4e0}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}.hero{background:var(--navy);color:#fff;padding:64px 24px 80px}.hero-inner{max-width:880px;margin:0 auto}.hero h1{font-size:clamp(28px,4vw,40px);margin:0 0 12px}.hero p{color:#cfe0ee;font-size:17px;max-width:55ch;margin:0 0 24px}.hero .phone{display:inline-block;background:var(--accent);color:#fff;padding:10px 18px;border-radius:6px;font-weight:600;text-decoration:none}.section{max-width:880px;margin:-40px auto 0;padding:0 24px 64px}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:24px 28px;margin-bottom:20px;box-shadow:0 1px 3px rgba(0,0,0,.04)}.card h2{margin-top:0;font-size:20px}.services-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:12px;gap:12px}.service-item{padding:12px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px}.service-item .price{color:var(--text-soft);font-size:13px;margin-top:4px}.whatsapp-hint{border:1px dashed var(--accent);border-radius:8px;padding:16px 18px;font-size:14px;color:var(--text-soft)}.chat-bubble{bottom:22px;width:60px;height:60px;border-radius:50%;background:var(--accent);color:#fff;border:none;cursor:pointer;font-size:26px;box-shadow:0 4px 14px rgba(0,0,0,.25)}.chat-bubble,.chat-window{position:fixed;right:22px;z-index:50}.chat-window{bottom:94px;width:340px;max-width:calc(100vw - 32px);height:460px;max-height:calc(100vh - 140px);background:#fff;border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.25);display:flex;flex-direction:column;overflow:hidden}.chat-header{background:var(--navy);color:#fff;padding:14px 16px;font-size:14px;font-weight:600}.chat-header span{display:block;font-weight:400;font-size:12px;color:#cfe0ee}.chat-messages{flex:1 1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;font-size:14px}.msg{padding:9px 12px;border-radius:12px;max-width:85%;white-space:pre-wrap}.msg.user{align-self:flex-end;background:var(--navy);color:#fff;border-bottom-right-radius:3px}.msg.assistant{align-self:flex-start;background:var(--bg);border:1px solid var(--border);border-bottom-left-radius:3px}.chat-input{display:flex;border-top:1px solid var(--border)}.chat-input input{flex:1 1;border:none;padding:12px 14px;font-size:14px;outline:none}.chat-input button{background:var(--accent);color:#fff;border:none;padding:0 18px;cursor:pointer;font-weight:600}.chat-input button:disabled{opacity:.5;cursor:default}.typing{align-self:flex-start;color:var(--text-soft);font-size:13px;font-style:italic}