/* Global design system */
:root{
  --bg:#FBFBFD;
  --primary:#F97316;
  --secondary:#FFB703;
  --text:#0F172A;
  --muted:#55627A;
  --radius:12px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:'Inter',system-ui,Arial,Helvetica,sans-serif;}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:0 16px}

.site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid #eee;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{height:32px;width:auto;border-radius:8px}
.brand{display:flex;gap:10px;align-items:center}
.brand-text{font-weight:800;letter-spacing:0.3px}
.menu{display:flex;gap:16px}
.nav-link{padding:10px 12px;border-radius:10px}
.nav-link.active,.nav-link:hover{background:#f3f4f6}

.hero{background:linear-gradient(135deg, rgba(249,115,22,0.1), rgba(255,183,3,0.12));padding:72px 0}
.hero h1{font-size:44px;line-height:1.1;margin:0 0 8px;font-weight:800}
.hero p{max-width:740px;margin:0 0 20px;color:var(--muted)}
.cta{display:flex;gap:12px}
.btn{display:inline-block;padding:12px 18px;border-radius:var(--radius);font-weight:600;border:1px solid transparent;box-shadow:0 2px 8px rgba(0,0,0,0.05);transition:transform .15s ease,box-shadow .15s ease}
.btn.primary{background:var(--primary);color:white}
.btn.secondary{background:#fff;border-color:#eee}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 14px rgba(0,0,0,0.08)}

.info-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:40px auto}
.card{background:#fff;padding:18px;border-radius:16px;border:1px solid #eee;box-shadow:0 2px 10px rgba(0,0,0,0.04);transition:box-shadow .2s ease, transform .2s ease}
.card:hover{box-shadow:0 6px 18px rgba(249,115,22,0.18);transform:translateY(-2px)}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0 60px}
.svc-card{display:block;border:1px solid #eee;border-radius:16px;background:#fff;transition:box-shadow .2s ease, transform .2s ease}
.svc-card-inner{padding:18px}
.svc-card:hover{box-shadow:0 8px 30px rgba(249,115,22,0.25), 0 0 0 2px rgba(249,115,22,0.2) inset;transform:translateY(-3px)}

.contact-form{display:grid;gap:12px;max-width:560px;margin-top:16px}
.contact-form input,.contact-form textarea{width:100%;padding:12px;border-radius:12px;border:1px solid #e5e7eb;background:#fff}
.contact-form button{align-self:start}

.site-footer{border-top:1px solid #eee;padding:24px 0;margin-top:40px;color:var(--muted);font-size:14px}

/* Chat widget */
#nml-chat-toggle{position:fixed;right:20px;bottom:20px;border-radius:999px;background:var(--primary);color:#fff;border:none;padding:14px 18px;font-weight:700;box-shadow:0 6px 20px rgba(249,115,22,0.35);cursor:pointer;z-index:60}
#nml-chat-panel{position:fixed;right:20px;bottom:80px;width:320px;max-height:60vh;background:#fff;border:1px solid #eee;border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,0.15);display:none;flex-direction:column;overflow:hidden;z-index:60}
#nml-chat-header{background:linear-gradient(135deg, rgba(249,115,22,0.1), rgba(255,183,3,0.18));padding:12px 14px;font-weight:800;color:var(--text)}
#nml-chat-body{padding:12px;overflow:auto;display:flex;flex-direction:column;gap:8px}
.nml-bubble{padding:10px 12px;border-radius:12px;max-width:85%;border:1px solid #eee;background:#f9fafb}
.nml-bubble.me{align-self:flex-end;background:#eef2ff}
.nml-bubble.ai{align-self:flex-start;background:rgba(249,115,22,0.08);border-color:rgba(249,115,22,0.25)}

#nml-chat-form{display:flex;gap:8px;padding:10px;border-top:1px solid #eee}
#nml-chat-input{flex:1;padding:10px;border-radius:10px;border:1px solid #e5e7eb}
#nml-chat-send{padding:10px 14px;border-radius:10px;background:var(--primary);color:#fff;border:none;font-weight:700;cursor:pointer}

/* Responsive */
@media (max-width: 900px){
  .info-cards{grid-template-columns:1fr 1fr}
  .grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 600px){
  .grid{grid-template-columns:1fr}
}