feat: complete website implementation

components/sections/AdvantagesBar.tsx

@@ -0,0 +1,26 @@
+import { CheckCircle2, Zap, ShieldCheck, Banknote } from "lucide-react";
+
+export function AdvantagesBar() {
+  const advantages = [
+    { icon: Zap, text: "Szybki termin realizacji" },
+    { icon: ShieldCheck, text: "Gwarancja na sprzęt i montaż" },
+    { icon: CheckCircle2, text: "Uprawnienia F-gaz" },
+  ];
+
+  return (
+    <div className="bg-primary text-primary-foreground py-6 border-y border-border/10">
+      <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
+        <div className="grid grid-cols-1 md:grid-cols-3 gap-4 md:gap-6">
+          {advantages.map((adv, idx) => (
+            <div key={idx} className="flex items-center justify-center md:justify-start gap-3">
+              <adv.icon className="size-5 text-accent shrink-0" />
+              <span className="text-sm font-medium leading-tight">
+                {adv.text}
+              </span>
+            </div>
+          ))}
+        </div>
+      </div>
+    </div>
+  );
+}