:root{--bg:#0b0b0b;--panel:#141414cc;--border:#2a2a2a;--text:#e8e8e8;--brand:#ff7442}
*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:#0b0b0b;color:var(--text);font-family:'Vazirmatn',system-ui}
.container{max-width:1200px;margin:0 auto;padding:0 16px}.nav{position:sticky;top:0;background:#0f0f0fcc;border-bottom:1px solid var(--border);backdrop-filter:blur(8px);z-index:20}
.nav .container{display:flex;align-items:center;height:64px;gap:16px}.brand{font-weight:800;color:#ffc3b1}
.links a{margin:0 6px;color:#ddd;text-decoration:none;padding:6px 10px;border-radius:10px}.links a:hover{background:#1c1c1c}
.auth a,.auth button{background:#1a1a1a;color:#ddd;border:1px solid var(--border);padding:6px 10px;border-radius:10px;text-decoration:none}.hidden{display:none}
.hero{padding:56px 0;background:radial-gradient(1200px 600px at 80% -10%, rgba(255,116,66,0.25), transparent 60%),radial-gradient(800px 400px at 10% 10%, rgba(88,101,242,0.18), transparent 60%)}
.hero h1{font-size:42px;margin:0 0 12px}.card{background:var(--panel);border:1px solid var(--border);border-radius:20px;padding:16px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.grid{display:grid;gap:16px}.grid.s3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.service-thumb{height:140px;border-radius:14px;background-size:cover;background-position:center;margin-bottom:8px}
.btn{background:var(--brand);color:#000;border:none;border-radius:16px;padding:10px 16px;font-weight:600}
.input,select,textarea{width:100%;background:#121212;border:1px solid var(--border);color:#eee;border-radius:12px;padding:10px}
.bubble{max-width:85%;padding:12px;border-radius:16px;margin:8px 0;box-shadow:0 8px 24px rgba(0,0,0,.12)}
.bubble.user{background:#121212}.bubble.ai{background:rgba(255,116,66,.16);border:1px solid rgba(255,116,66,.3)}
.chatbox{height:60vh;overflow:auto}.footer{border-top:1px solid var(--border);padding:24px 0;margin-top:40px;background:#0b0b0b}
.badge{display:inline-block;background:#1a1a1a;border:1px solid var(--border);padding:4px 8px;border-radius:999px;margin-inline-start:8px}
.price{color:#ff8f68}.row{display:flex;gap:8px;align-items:center}