feat: about stats cards, pricing popular badge, back-to-top button

- About: add 3 stat cards (13 trainers, 6 styles, 2 locations)
- Pricing: highlight first plan with gold "Популярный" badge
- BackToTop: floating gold button appears after 600px scroll

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/app/page.tsx

@@ -5,6 +5,7 @@ import { Classes } from "@/components/sections/Classes";
 import { Pricing } from "@/components/sections/Pricing";
 import { FAQ } from "@/components/sections/FAQ";
 import { Contact } from "@/components/sections/Contact";
+import { BackToTop } from "@/components/ui/BackToTop";
 
 export default function HomePage() {
   return (
@@ -16,6 +17,7 @@ export default function HomePage() {
       <Pricing />
       <FAQ />
       <Contact />
+      <BackToTop />
     </>
   );
 }

src/components/sections/About.tsx

@@ -1,7 +1,14 @@
+import { Users, Layers, MapPin } from "lucide-react";
 import { siteContent } from "@/data/content";
 import { SectionHeading } from "@/components/ui/SectionHeading";
 import { Reveal } from "@/components/ui/Reveal";
 
+const stats = [
+  { icon: <Users size={22} />, value: "13", label: "тренеров" },
+  { icon: <Layers size={22} />, value: "6", label: "направлений" },
+  { icon: <MapPin size={22} />, value: "2", label: "зала в Минске" },
+];
+
 export function About() {
   const { about } = siteContent;
 
@@ -22,6 +29,28 @@ export function About() {
             </Reveal>
           ))}
         </div>
+
+        {/* Stats */}
+        <Reveal>
+          <div className="mx-auto mt-14 grid max-w-3xl grid-cols-3 gap-4 sm:gap-8">
+            {stats.map((stat, i) => (
+              <div
+                key={i}
+                className="group flex flex-col items-center gap-3 rounded-2xl border border-neutral-200 bg-white/50 p-6 transition-all duration-300 hover:border-[#c9a96e]/30 sm:p-8 dark:border-white/[0.06] dark:bg-white/[0.02] dark:hover:border-[#c9a96e]/20"
+              >
+                <div className="flex h-11 w-11 items-center justify-center rounded-xl bg-[#c9a96e]/10 text-[#a08050] transition-colors group-hover:bg-[#c9a96e]/20 dark:text-[#d4b87a]">
+                  {stat.icon}
+                </div>
+                <span className="font-display text-3xl font-bold text-neutral-900 sm:text-4xl dark:text-white">
+                  {stat.value}
+                </span>
+                <span className="text-sm text-neutral-500 dark:text-neutral-400">
+                  {stat.label}
+                </span>
+              </div>
+            ))}
+          </div>
+        </Reveal>
       </div>
     </section>
   );

src/components/sections/Pricing.tsx

@@ -54,28 +54,38 @@ export function Pricing() {
                 {pricing.subtitle}
               </p>
               <div className="overflow-hidden rounded-2xl border border-neutral-200 dark:border-white/[0.06]">
-                {pricing.items.map((item, i) => (
-                  <div
-                    key={i}
-                    className={`group flex items-center justify-between gap-4 px-6 py-5 transition-colors hover:bg-neutral-50 dark:hover:bg-white/[0.03] ${
-                      i > 0 ? "border-t border-neutral-100 dark:border-white/[0.04]" : ""
-                    }`}
-                  >
-                    <div>
-                      <p className="font-medium text-neutral-900 dark:text-white">
-                        {item.name}
-                      </p>
-                      {item.note && (
-                        <p className="mt-0.5 text-sm text-neutral-500 dark:text-neutral-400">
-                          {item.note}
-                        </p>
-                      )}
+                {pricing.items.map((item, i) => {
+                  const isPopular = i === 0;
+                  return (
+                    <div
+                      key={i}
+                      className={`group flex items-center justify-between gap-4 px-6 py-5 transition-colors hover:bg-neutral-50 dark:hover:bg-white/[0.03] ${
+                        i > 0 ? "border-t border-neutral-100 dark:border-white/[0.04]" : ""
+                      } ${isPopular ? "bg-[#c9a96e]/[0.04] dark:bg-[#c9a96e]/[0.03]" : ""}`}
+                    >
+                      <div>
+                        <div className="flex items-center gap-2">
+                          <p className="font-medium text-neutral-900 dark:text-white">
+                            {item.name}
+                          </p>
+                          {isPopular && (
+                            <span className="rounded-full bg-[#c9a96e]/15 px-2.5 py-0.5 text-[10px] font-bold uppercase tracking-wider text-[#a08050] dark:text-[#d4b87a]">
+                              Популярный
+                            </span>
+                          )}
+                        </div>
+                        {item.note && (
+                          <p className="mt-0.5 text-sm text-neutral-500 dark:text-neutral-400">
+                            {item.note}
+                          </p>
+                        )}
+                      </div>
+                      <span className="shrink-0 font-display text-xl font-bold text-[#a08050] dark:text-[#d4b87a]">
+                        {item.price}
+                      </span>
                     </div>
-                    <span className="shrink-0 font-display text-xl font-bold text-[#a08050] dark:text-[#d4b87a]">
-                      {item.price}
-                    </span>
-                  </div>
-                ))}
+                  );
+                })}
               </div>
             </div>
           </Reveal>

src/components/ui/BackToTop.tsx

@@ -0,0 +1,28 @@
+"use client";
+
+import { useState, useEffect } from "react";
+import { ChevronUp } from "lucide-react";
+
+export function BackToTop() {
+  const [visible, setVisible] = useState(false);
+
+  useEffect(() => {
+    function handleScroll() {
+      setVisible(window.scrollY > 600);
+    }
+    window.addEventListener("scroll", handleScroll, { passive: true });
+    return () => window.removeEventListener("scroll", handleScroll);
+  }, []);
+
+  return (
+    <button
+      onClick={() => window.scrollTo({ top: 0, behavior: "smooth" })}
+      aria-label="Наверх"
+      className={`fixed bottom-6 right-6 z-40 flex h-10 w-10 items-center justify-center rounded-full border border-[#c9a96e]/30 bg-black/60 text-[#d4b87a] backdrop-blur-sm transition-all duration-300 hover:bg-[#c9a96e]/20 hover:border-[#c9a96e]/50 ${
+        visible ? "translate-y-0 opacity-100" : "translate-y-4 opacity-0 pointer-events-none"
+      }`}
+    >
+      <ChevronUp size={18} />
+    </button>
+  );
+}