Disposition de carte CSS avec arrière-plan dégradé

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Disposition de carte CSS avec arrière-plan dégradé

Recommandé

23 August 2025

Portfolio de designer créatif - Alex

4 December 2024

Curseur de carte animé extensible

18 May 2025

Un code de Mete

HTML

<main>
	<h1>Lorem Ipsum</h1>
	<p class="subtitle">Lorem ipsum dolor sit amet consectetur adipisicing elit.</p>

<div class="cards-container">
		<div class="card" data-rotation-factor="2">
			<div class="card-content">
				<h2>Card title</h2>
				<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Temporibus, qui! Distinctio adipisci odio molestiae quasi.</p>
				<div class="card-footer">
					<button class="card-button">Info CTA</button>
					<div class="card-icon">→</div>
				</div>
			</div>%
		</div>

<div class="card" data-rotation-factor="2">
			<div class="card-content">
				<h2>Card title</h2>
				<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Temporibus, qui! Distinctio adipisci odio molestiae quasi.</p>
				<div class="card-footer">
					<button class="card-button">Info CTA</button>
					<div class="card-icon">→</div>
				</div>
			</div>
		</div>

CSS

:root {
	--color-bg: #050505;
	--color-text: #ffffff;
	--color-primary: #ff3366;
	--color-secondary: #3366ff;
	--color-tertiary: #33ddff;
	--color-accent: #ffcc00;
	--card-radius: 16px;
	--card-bg: rgba(255, 255, 255, 0.03);
	--card-border: rgba(255, 255, 255, 0.1);
	--card-shadow: 0 15px 30px -12px rgba(0, 0, 0, 0.5);
	--transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
	background-color: var(--color-bg);
	color: var(--color-text);
	min-height: 100vh;
	overflow-x: hidden;
	line-height: 1.5;
}

.background {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: -1;
	overflow: hidden;
}

.gradient-blob {
	position: absolute;
	border-radius: 100%;
	filter: blur(40px);
	opacity: 0.3;
	animation: float 20s infinite alternate ease-in-out;
}

.gradient-blob:nth-child(1) {
	background: linear-gradient(
		to right,
		var(--color-primary),
		var(--color-secondary)
	);
	width: 150vw;
	height: 150vw;
	top: -100%;
	left: -25%;
	animation-delay: 0s;
}

.gradient-blob:nth-child(2) {
	background: linear-gradient(
		to right,
		var(--color-tertiary),
		var(--color-secondary)
	);
	width: 150vw;
	height: 150vw;
	bottom: -100%;
	right: -25%;
	animation-delay: -5s;
}

.gradient-blob:nth-child(3) {
	background: linear-gradient(
		to right,
		var(--color-accent),
		var(--color-primary)
	);
	width: 100vw;
	height: 100vw;
	top: 30%;
	left: -50%;
	animation-delay: -10s;
}

@keyframes float {
	0% {
		transform: translate(0, 0) scale(1);
	}
	50% {
		transform: translate(2%, 2%) scale(1.02);
	}
	100% {
		transform: translate(-2%, -2%) scale(0.98);
	}
}

main {
	width: 100%;
	padding: 2rem 1rem;
	position: relative;
	z-index: 1;
}

h1 {
	font-size: 2.5rem;
	font-weight: 800;
	margin-bottom: 0.5rem;
	line-height: 1.1;
	background: linear-gradient(
		to right,
		var(--color-text),
		rgba(255, 255, 255, 0.7)
	);
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
	text-align: center;
}

.subtitle {
	font-size: 1rem;
	text-align: center;
	margin-bottom: 3rem;
	opacity: 0.8;
}

.cards-container {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1.5rem;
	perspective: 1000px;
}

.card {
	position: relative;
	height: 320px;
	border-radius: var(--card-radius);
	background: var(--card-bg);
	border: 1px solid var(--card-border);
	box-shadow: var(--card-shadow);
	transform-style: preserve-3d;
	transition: var(--transition);
	cursor: pointer;
	overflow: hidden;
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
}

.card::before {
	content: "";
	position: absolute;
	inset: 0;
	background: radial-gradient(
		circle at var(--x, 50%) var(--y, 50%),
		rgba(255, 255, 255, 0.1) 0%,
		transparent 50%
	);
	opacity: 0;
	transition: opacity 0.3s ease;
}

.card:hover::before {
	opacity: 1;
}

.card-content {
	position: relative;
	height: 100%;
	padding: 1.5rem;
	display: flex;
	flex-direction: column;
	transform-style: preserve-3d;
	transition: transform 0.5s ease;
}

.card h2 {
	font-size: 1.5rem;
	margin-bottom: 0.75rem;
	font-weight: 700;
	transform: translateZ(20px);
	background: linear-gradient(
		to right,
		var(--color-text),
		rgba(255, 255, 255, 0.8)
	);
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
}

.card p {
	margin-bottom: 1.5rem;
	font-size: 0.9rem;
	opacity: 0.8;
	transform: translateZ(15px);
}

.card-footer {
	margin-top: auto;
	display: flex;
	justify-content: space-between;
	align-items: center;
	transform: translateZ(15px);
}

.card-button {
	padding: 0.6rem 1.2rem;
	background: rgba(255, 255, 255, 0.1);
	border: 1px solid rgba(255, 255, 255, 0.2);
	border-radius: 100px;
	color: var(--color-text);
	font-weight: 600;
	font-size: 0.85rem;
	cursor: pointer;
	transition: all 0.3s ease;
	backdrop-filter: blur(5px);
}

.card-button:hover {
	background: rgba(255, 255, 255, 0.2);
	transform: translateY(-2px);
}

.card-icon {
	font-size: 1.25rem;
	opacity: 0.7;
	transition: transform 0.3s ease;
}

.card:hover .card-icon {
	transform: translateX(5px);
	opacity: 1;
}

@media (min-width: 640px) {
	main {
		padding: 5vh 2rem;
	}

h1 {
		font-size: 3.5rem;
		margin-bottom: 0.75rem;
	}

.subtitle {
		font-size: 1.1rem;
		margin-bottom: 4rem;
	}

.card {
		height: 350px;
	}

.card-content {
		padding: 1.75rem;
	}

.card-tag {
		font-size: 0.75rem;
		padding: 0.5rem 1rem;
		margin-bottom: 1.25rem;
	}

.card h2 {
		font-size: 1.6rem;
	}

.card p {
		font-size: 1rem;
	}

.card-button {
		padding: 0.7rem 1.4rem;
		font-size: 0.9rem;
	}

.gradient-blob {
		filter: blur(50px);
		opacity: 0.35;
	}
}

@media (min-width: 768px) {
	.cards-container {
		grid-template-columns: repeat(2, 1fr);
	}

.gradient-blob {
		filter: blur(60px);
		opacity: 0.4;
	}

.gradient-blob:nth-child(1) {
		width: 120vw;
		height: 120vw;
		top: -70%;
		left: -20%;
	}

.gradient-blob:nth-child(2) {
		width: 120vw;
		height: 120vw;
		bottom: -70%;
		right: -20%;
	}

.gradient-blob:nth-child(3) {
		width: 80vw;
		height: 80vw;
		top: 30%;
		left: -30%;
	}

.card-content {
		padding: 2rem;
	}

.card h2 {
		transform: translateZ(25px);
	}

.card-tag {
		transform: translateZ(20px);
	}

.card p {
		transform: translateZ(20px);
	}
}

@media (min-width: 1024px) {
	main {
		max-width: 1200px;
		margin: 0 auto;
		padding: 10vh 2rem;
	}

h1 {
		font-size: 4.5rem;
	}

.subtitle {
		font-size: 1.25rem;
	}

.cards-container {
		grid-template-columns: repeat(3, 1fr);
	}

.card {
		height: 400px;
		border-radius: 24px;
	}

.gradient-blob {
		filter: blur(80px);
		opacity: 0.5;
	}

.gradient-blob:nth-child(1) {
		width: 60vw;
		height: 60vw;
		top: -20%;
		left: -10%;
	}

.gradient-blob:nth-child(2) {
		width: 60vw;
		height: 60vw;
		bottom: -30%;
		right: -10%;
	}

.gradient-blob:nth-child(3) {
		width: 40vw;
		height: 40vw;
		top: 40%;
		left: 30%;
	}

.card h2 {
		font-size: 1.75rem;
		transform: translateZ(30px);
	}

.card-tag {
		transform: translateZ(20px);
	}

.card p {
		transform: translateZ(25px);
	}

.card-footer {
		transform: translateZ(20px);
	}
}

document.addEventListener("DOMContentLoaded", () => {
	const cards = document.querySelectorAll(".card");
	const isTouchDevice = "ontouchstart" in window || navigator.maxTouchPoints > 0;

cards.forEach((card) => {
		const content = card.querySelector(".card-content");
		const rotationFactor =
			parseFloat(card.getAttribute("data-rotation-factor")) || 2;

if (!isTouchDevice) {
			card.addEventListener("mousemove", (e) => {
				const rect = card.getBoundingClientRect();
				const x = e.clientX - rect.left;
				const y = e.clientY - rect.top;

const centerX = rect.width / 2;
				const centerY = rect.height / 2;
				const rotateY = (rotationFactor * (x - centerX)) / centerX;
				const rotateX = (-rotationFactor * (y - centerY)) / centerY;

content.style.transform = `
          rotateX(${rotateX}deg) 
          rotateY(${rotateY}deg)
        `;

card.style.setProperty("--x", `${(x / rect.width) * 100}%`);
				card.style.setProperty("--y", `${(y / rect.height) * 100}%`);
			});

card.addEventListener("mouseleave", () => {
				content.style.transform = "rotateX(0) rotateY(0)";

content.style.transition = "transform 0.5s ease";
				setTimeout(() => {
					content.style.transition = "";
				}, 500);
			});
		}

const randomDelay = Math.random() * 2;
		card.style.animation = `cardFloat 4s infinite alternate ease-in-out ${randomDelay}s`;
	});

const buttons = document.querySelectorAll(".card-button");
	buttons.forEach((button) => {
		button.addEventListener("click", (e) => {
			e.stopPropagation();

const ripple = document.createElement("span");
			ripple.classList.add("ripple");
			button.appendChild(ripple);

const rect = button.getBoundingClientRect();
			const size = Math.max(rect.width, rect.height) * 2;

ripple.style.width = ripple.style.height = `${size}px`;
			ripple.style.left = `${e.clientX - rect.left - size / 2}px`;
			ripple.style.top = `${e.clientY - rect.top - size / 2}px`;

ripple.classList.add("active");

setTimeout(() => {
				ripple.remove();
			}, 500);
		});
	});