Hero Slider Codepen (Chrome)
/* hero slider wrapper */ .hero-slider position: relative; width: 100%; overflow: hidden; border-radius: 1.8rem;
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes"> <title>Hero Slider | Interactive Carousel for CodePen</title> <!-- Google Fonts for modern typography --> <link href="https://fonts.googleapis.com/css2?family=Inter:opsz,wght@14..32,300;14..32,400;14..32,600;14..32,700&display=swap" rel="stylesheet"> <!-- Font Awesome 6 (free CDN) for crisp icons --> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0-beta3/css/all.min.css"> <style> * margin: 0; padding: 0; box-sizing: border-box; hero slider codepen
// ---------- helper: update slider position & active states ---------- function updateSlider(instant = false) if (isTransitioning && !instant) return; if (instant) track.style.transition = 'none'; else track.style.transition = 'transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94)'; const offset = -currentIndex * 100; track.style.transform = `translateX($offset%)`; // update active dot const dots = document.querySelectorAll('.dot'); dots.forEach((dot, idx) => if (idx === currentIndex) dot.classList.add('active'); else dot.classList.remove('active'); ); // small callback after transition ends if needed if (instant) // force reflow then restore transition setTimeout(() => track.style.transition = ''; , 20); /* hero slider wrapper */
/* main slider container */ .slider-container max-width: 1300px; width: 100%; margin: 0 auto; border-radius: 2rem; overflow: hidden; box-shadow: 0 25px 45px -12px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05); background: #000; transition: all 0.2s ease; meta name="viewport" content="width=device-width
// reset progress bar animation (visual + internal timer) function resetProgressBar() if (progressInterval) clearInterval(progressInterval); progressPercent = 0; if (progressFill) progressFill.style.width = '0%'; // start fresh progress interval that increments every 60ms for smooth fill (6 seconds = 6000ms) const stepTime = 60; // ms const totalSteps = autoDelay / stepTime; // 6000/60 = 100 steps let stepCount = 0; progressInterval = setInterval(() => if (isTransitioning) return; // pause increments if transitioning (but not critical) stepCount++; progressPercent = (stepCount / totalSteps) * 100; if (progressFill) progressFill.style.width = `$Math.min(progressPercent, 100)%`; if (stepCount >= totalSteps) // progress completed, auto slide will trigger via main timer // but we don't clear here because timer handles next slide. // We'll stop interval when resetProgressBar called again. , stepTime);