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feat: add infinite scrolling animation to testimonials section #441

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7d06c7a
feat: add infinite scrolling animation to testimonials section
tanvi1107 Jul 11, 2026
b778f0f
Merge branch 'main' into feat/infinite-testimonials
tanvi1107 Jul 11, 2026
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204 changes: 48 additions & 156 deletions frontend/src/LandingPage.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -243,58 +243,29 @@ const LandingPage = () => {
const [activeStep, setActiveStep] = useState(1);
const [showScrollTop, setShowScrollTop] = useState(false);

const [visibleCards, setVisibleCards] = useState(3);
const [currentIndex, setCurrentIndex] = useState(0);
const [isPaused, setIsPaused] = useState(false);

useEffect(() => {
const handleResize = () => {
if (window.innerWidth < 640) {
setVisibleCards(1);
} else if (window.innerWidth < 1024) {
setVisibleCards(2);
} else {
setVisibleCards(3);
}
};
handleResize();
window.addEventListener("resize", handleResize);
return () => window.removeEventListener("resize", handleResize);
}, []);

useEffect(() => {
const maxIndex = Math.max(0, TESTIMONIALS.length - visibleCards);
if (currentIndex > maxIndex) {
setCurrentIndex(maxIndex);
}
}, [visibleCards, currentIndex]);

useEffect(() => {
if (isPaused) return;
const interval = setInterval(() => {
setCurrentIndex((prevIndex) => {
const nextIndex = prevIndex + 1;
const maxIndex = TESTIMONIALS.length - visibleCards;
return nextIndex > maxIndex ? 0 : nextIndex;
});
}, 4000);
return () => clearInterval(interval);
}, [visibleCards, isPaused]);

const handlePrev = () => {
setCurrentIndex((prevIndex) => {
const nextIndex = prevIndex - 1;
const maxIndex = TESTIMONIALS.length - visibleCards;
return nextIndex < 0 ? maxIndex : nextIndex;
});
// Hero parallax
const heroRef = useRef(null);
const statsRef = useRef(null);
const mouseX = useMotionValue(0);
const mouseY = useMotionValue(0);
const springX = useSpring(mouseX, { stiffness: 60, damping: 20, mass: 0.4 });
const springY = useSpring(mouseY, { stiffness: 60, damping: 20, mass: 0.4 });
const blobX1 = useTransform(springX, [-0.5, 0.5], [-20, 20]);
const blobY1 = useTransform(springY, [-0.5, 0.5], [-20, 20]);
const blobX2 = useTransform(springX, [-0.5, 0.5], [16, -16]);
const blobY2 = useTransform(springY, [-0.5, 0.5], [16, -16]);

const handleHeroMouseMove = (e) => {
if (!heroRef.current) return;
const rect = heroRef.current.getBoundingClientRect();
mouseX.set((e.clientX - rect.left) / rect.width - 0.5);
mouseY.set((e.clientY - rect.top) / rect.height - 0.5);
};

const handleNext = () => {
setCurrentIndex((prevIndex) => {
const nextIndex = prevIndex + 1;
const maxIndex = TESTIMONIALS.length - visibleCards;
return nextIndex > maxIndex ? 0 : nextIndex;
});
const scrollToStats = () => {
statsRef.current?.scrollIntoView({ behavior: "smooth", block: "start" });
};

const handleCTA = () => {
Expand Down Expand Up @@ -822,114 +793,35 @@ const LandingPage = () => {
{/* ─────────────────────────────────
TESTIMONIALS – auto-scrolling carousel
───────────────────────────────── */}
<section className="py-24 px-4 border-t border-white/6 relative overflow-hidden">
<div className="max-w-6xl mx-auto relative z-10">
<FadeIn className="text-center mb-16">
<span className="text-xs font-semibold tracking-widest text-violet-400 uppercase mb-3 block">
What Our Users Say
</span>
<h2 className="text-3xl sm:text-4xl md:text-5xl font-bold text-white">
Trusted by{" "}
<span className="text-transparent bg-clip-text bg-gradient-to-r from-violet-400 to-blue-400">
Thousands of Developers
</span>
</h2>
</FadeIn>

{/* Testimonials Scroller */}
<div
className="relative overflow-hidden py-8"
onMouseEnter={() => setIsPaused(true)}
onMouseLeave={() => setIsPaused(false)}
>
{/* Fading overlays */}
<div className="absolute inset-y-0 left-0 w-24 bg-gradient-to-r from-gray-950 to-transparent z-10 pointer-events-none" />
<div className="absolute inset-y-0 right-0 w-24 bg-gradient-to-l from-gray-950 to-transparent z-10 pointer-events-none" />

{/* Slider Track Wrapper */}
<div className="overflow-hidden">
<div
className="flex transition-transform duration-500 ease-in-out"
style={{
transform: `translateX(-${currentIndex * (100 / visibleCards)}%)`
}}
>
{TESTIMONIALS.map((testimonial) => (
<div
key={testimonial.id}
className="flex-none p-3"
style={{ width: `${100 / visibleCards}%` }}
>
<TestimonialCard testimonial={testimonial} />
</div>
))}
</div>
</div>

{/* Navigation Arrows and Dot Indicators */}
<div className="flex justify-between items-center mt-8 px-4">
<button
onClick={handlePrev}
className="p-3 rounded-full bg-white/5 border border-white/10 hover:bg-white/10 hover:border-violet-500/50 text-white transition-all cursor-pointer focus:outline-none focus:ring-2 focus:ring-violet-500"
aria-label="Previous testimonial"
>
<ChevronLeft size={20} />
</button>

{/* Dots indicators */}
<div className="flex space-x-2">
{Array.from({ length: TESTIMONIALS.length - visibleCards + 1 }).map((_, idx) => (
<button
key={idx}
onClick={() => setCurrentIndex(idx)}
className={`h-2.5 rounded-full transition-all duration-300 cursor-pointer ${
currentIndex === idx ? "w-6 bg-violet-500 shadow-lg shadow-violet-500/50" : "w-2.5 bg-white/20 hover:bg-white/40"
}`}
aria-label={`Go to slide ${idx + 1}`}
/>
))}
</div>

<button
onClick={handleNext}
className="p-3 rounded-full bg-white/5 border border-white/10 hover:bg-white/10 hover:border-violet-500/50 text-white transition-all cursor-pointer focus:outline-none focus:ring-2 focus:ring-violet-500"
aria-label="Next testimonial"
>
<ChevronRight size={20} />
</button>
</div>
</div>
</div>
</section>

{/* ─────────────────────────────────
CTA FOOTER BANNER
───────────────────────────────── */}
<section className="py-28 px-4 relative overflow-hidden border-t border-white/6">
<div className="pointer-events-none absolute inset-0 flex items-center justify-center">
<div className="w-[600px] h-[300px] bg-violet-600/15 rounded-full blur-[100px]" />
</div>
<FadeIn className="relative text-center max-w-2xl mx-auto">
<h2 className="text-3xl sm:text-4xl md:text-5xl font-bold text-white mb-5 leading-tight">
Ready to Ace Your{" "}
<span className="text-transparent bg-clip-text bg-gradient-to-r from-violet-400 to-blue-400">
Next Interview?
</span>
</h2>
<p className="text-gray-400 mb-10 text-base sm:text-lg">
Join thousands of learners who have transformed their interview
preparation with PrepPilot AI.
</p>
<button
onClick={handleCTA}
className="cta-glow inline-flex items-center gap-3 bg-gradient-to-r from-violet-600 to-blue-600 hover:from-violet-500 hover:to-blue-500 text-white font-bold px-10 py-4 rounded-full text-base transition-all duration-200"
>
<span className="font-mono text-xs text-violet-200">&gt;_</span>
Start Preparing for Free
<LuArrowRight />
</button>
</FadeIn>
</section>
{/* Testimonials Scroller */}
<div
className="relative overflow-hidden py-8"
onMouseEnter={() => setIsPaused(true)}
onMouseLeave={() => setIsPaused(false)}
>
{/* Left Fade */}
<div className="absolute inset-y-0 left-0 w-24 bg-gradient-to-r from-gray-950 to-transparent z-10 pointer-events-none" />

{/* Right Fade */}
<div className="absolute inset-y-0 right-0 w-24 bg-gradient-to-l from-gray-950 to-transparent z-10 pointer-events-none" />

<div className="overflow-hidden">
<div
className={`flex gap-6 w-max ${
isPaused ? "animate-marquee paused" : "animate-marquee"
}`}
>
{[...TESTIMONIALS, ...TESTIMONIALS].map((testimonial, index) => (
<div
key={`${testimonial.id}-${index}`}
className="w-[360px] flex-shrink-0"
>
<TestimonialCard testimonial={testimonial} />
</div>
))}
</div>
</div>
</div>

{/* ─────────────────────────────────
FOOTER
Expand Down
18 changes: 18 additions & 0 deletions frontend/src/index.css
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Original file line number Diff line number Diff line change
Expand Up @@ -385,3 +385,21 @@ html.dark {
}
}

/* Infinite Testimonials */

@keyframes marquee {
from {
transform: translateX(0%);
}
to {
transform: translateX(-50%);
}
}

.animate-marquee {
animation: marquee 30s linear infinite;
}

.animate-marquee.paused {
animation-play-state: paused;
}
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