feat: add homepage image carousel with controls

src/app/en/page.tsx

@@ -1,7 +1,10 @@
+import { ImageCarousel } from "@/components/layout/ImageCarousel";
+
 export default function EnHome() {
   return (
     <section className="hero" aria-labelledby="home-title">
       <div className="container">
+        <ImageCarousel />
         <h1 id="home-title" className="title">Portuguese Powerlifting Association</h1>
         <p className="subtitle">Accessible. Transparent. For all athletes.</p>
         <div className="mt-4 flex gap-2">

src/app/globals.css

@@ -152,6 +152,72 @@ p  { font-size: 1rem; line-height: 1.6; color: var(--foreground); }
   margin-top: 0.5rem;
   color: var(--color-muted);
 }
+
+/* Carousel */
+.carousel {
+  position: relative;
+  overflow: hidden;
+  border-radius: 12px;
+  border: 1px solid var(--color-border);
+  margin-bottom: 1.5rem;
+}
+.carousel-viewport {
+  position: relative;
+  width: 100%;
+  height: 320px;
+  background: #f8f8f8;
+}
+.carousel-slide {
+  position: absolute;
+  inset: 0;
+  opacity: 0;
+  transition: opacity 250ms ease;
+}
+.carousel-slide.active {
+  opacity: 1;
+}
+.carousel-controls {
+  position: absolute;
+  inset: auto 0 0 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 0.75rem;
+  padding: 0.5rem 0.75rem;
+  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.35) 100%);
+}
+.carousel-btn {
+  background: rgba(255,255,255,0.9);
+  border: 1px solid var(--color-border);
+  border-radius: 999px;
+  width: 36px;
+  height: 36px;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 1.25rem;
+  cursor: pointer;
+}
+.carousel-btn:hover,
+.carousel-btn:focus-visible {
+  background: #fff;
+  border-color: var(--color-green);
+}
+.carousel-dots {
+  display: inline-flex;
+  gap: 0.4rem;
+}
+.carousel-dot {
+  width: 12px;
+  height: 12px;
+  border-radius: 50%;
+  border: 1px solid #fff;
+  background: rgba(255,255,255,0.6);
+  cursor: pointer;
+}
+.carousel-dot.active {
+  background: #fff;
+}
 .btn {
   display: inline-flex;
   align-items: center;

src/app/pt/page.tsx

@@ -1,7 +1,10 @@
+import { ImageCarousel } from "@/components/layout/ImageCarousel";
+
 export default function PtHome() {
   return (
     <section className="hero" aria-labelledby="home-title">
       <div className="container">
+        <ImageCarousel />
         <h1 id="home-title" className="title">Associação Portuguesa de Powerlifting</h1>
         <p className="subtitle">Acessível. Transparente. Para todos os atletas.</p>
         <div className="mt-4 flex gap-2">

src/components/layout/ImageCarousel.tsx

@@ -0,0 +1,64 @@
+"use client";
+import Image from "next/image";
+import { useEffect, useState } from "react";
+
+const slides = [
+  { src: "/content/images/1.png", alt: "Powerlifting highlight 1" },
+  { src: "/content/images/2.png", alt: "Powerlifting highlight 2" },
+  { src: "/content/images/3.png", alt: "Powerlifting highlight 3" },
+];
+
+export function ImageCarousel() {
+  const [index, setIndex] = useState(0);
+
+  useEffect(() => {
+    const id = setInterval(() => {
+      setIndex((prev) => (prev + 1) % slides.length);
+    }, 5000);
+    return () => clearInterval(id);
+  }, []);
+
+  const goTo = (i: number) => setIndex(i % slides.length);
+  const prev = () => setIndex((prev) => (prev - 1 + slides.length) % slides.length);
+  const next = () => setIndex((prev) => (prev + 1) % slides.length);
+
+  return (
+    <section aria-label="Destaques" className="carousel" role="region">
+      <div className="carousel-viewport" aria-live="polite">
+        {slides.map((slide, i) => (
+          <div
+            key={slide.src}
+            className={`carousel-slide ${i === index ? "active" : ""}`}
+            aria-hidden={i !== index ? "true" : "false"}
+          >
+            <Image
+              src={slide.src}
+              alt={slide.alt}
+              fill
+              className="object-cover"
+              sizes="(max-width: 768px) 100vw, 1200px"
+              priority={i === 0}
+            />
+          </div>
+        ))}
+      </div>
+      <div className="carousel-controls">
+        <button type="button" onClick={prev} aria-label="Imagem anterior" className="carousel-btn">‹</button>
+        <div className="carousel-dots" role="tablist" aria-label="Selecionar imagem do carrossel">
+          {slides.map((_, i) => (
+            <button
+              key={i}
+              type="button"
+              role="tab"
+              aria-selected={i === index ? "true" : "false"}
+              aria-label={`Ir para imagem ${i + 1}`}
+              className={`carousel-dot ${i === index ? "active" : ""}`}
+              onClick={() => goTo(i)}
+            />
+          ))}
+        </div>
+        <button type="button" onClick={next} aria-label="Próxima imagem" className="carousel-btn">›</button>
+      </div>
+    </section>
+  );
+}