/* AMNursing: blue & white friendly theme */
:root{
  --blue:#0b66b2;
  --white:#ffffff;
  --muted:#f6f9fc;
  --text:#222;
  --max-width:1100px;
  --radius:12px;
}
*{box-sizing:border-box}
body{
  font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  margin:0;
  color:var(--text);
  background:linear-gradient(180deg,var(--muted),#fff);
}
.container{max-width:var(--max-width);margin:0 auto;padding:22px}
.site-header{background:var(--blue);color:var(--white);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:12px}
.avatar{width:64px;height:64px;border-radius:10px;object-fit:cover;background:#fff;padding:6px}
.brand-text h1{margin:0;font-size:20px}
.tagline{margin:0;font-size:13px;opacity:0.95}
.nav{display:flex;gap:8px}
.nav-link{color:rgba(255,255,255,0.95);text-decoration:none;padding:10px 12px;border-radius:8px;font-weight:600}
.nav-link.active, .nav-link:hover{background:rgba(255,255,255,0.12)}
.hero-card{background:#fff;border-radius:12px;padding:20px;margin-top:18px;box-shadow:0 10px 30px rgba(11,102,178,0.06)}
.quick-links{margin-top:12px;display:flex;gap:10px}
.btn{background:var(--blue);color:#fff;padding:10px 14px;border-radius:8px;text-decoration:none;font-weight:700}
.btn.outline{background:transparent;border:2px solid var(--blue);color:var(--blue)}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.features article{background:#fff;padding:18px;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,0.05);text-align:center}
.icon{width:56px;height:56px;opacity:0.95}
.about-card, .long{background:#fff;border-radius:12px;padding:20px;box-shadow:0 10px 30px rgba(0,0,0,0.06);margin-top:18px}
.site-footer{margin-top:30px;padding:18px 0;background:transparent;text-align:center;color:#555;font-size:14px}

/* Chat widget styles (same layout as prior) */
.chat-button{position:fixed;right:20px;bottom:20px;background:var(--blue);color:var(--white);border:none;border-radius:999px;width:64px;height:64px;box-shadow:0 8px 24px rgba(0,0,0,0.15);cursor:pointer;display:flex;align-items:center;justify-content:center;font-weight:700;z-index:1000}
.chat-window{position:fixed;right:20px;bottom:100px;width:360px;max-height:70vh;background:#fff;border-radius:14px;box-shadow:0 12px 34px rgba(0,0,0,0.18);display:flex;flex-direction:column;overflow:hidden;z-index:1000}
.chat-header{padding:12px 14px;background:linear-gradient(90deg,var(--blue),#0a5aa0);color:#fff;display:flex;align-items:center;justify-content:space-between}
.chat-messages{padding:12px;overflow:auto;flex:1;background:linear-gradient(180deg,#fafafa,#fff)}
.msg{margin-bottom:12px;display:flex;gap:8px;align-items:flex-end}
.msg.user .bubble{background:var(--blue);color:#fff;align-self:flex-end;border-radius:12px 12px 6px 12px}
.msg.ai .bubble{background:#f1f1f1;color:#222;border-radius:12px 12px 12px 6px}
.bubble{padding:10px 12px;max-width:78%;line-height:1.4;font-size:14px}
.chat-input{padding:10px;border-top:1px solid #eee;display:flex;gap:8px}
.chat-input input{flex:1;padding:10px 12px;border-radius:8px;border:1px solid #ddd}
.chat-input button{padding:10px 12px;border-radius:8px;border:none;background:var(--blue);color:#fff;font-weight:700;cursor:pointer}

/* Responsive */
@media(max-width:880px){.features{grid-template-columns:1fr}.header-inner{flex-direction:column;align-items:flex-start}}