04グラデーションアイコンリスト

<main class="stage">
  <ul class="feat-a">
    <li class="feat-a__row">
      <span class="feat-a__icon" aria-hidden="true"></span>
      <p class="feat-a__text">高速デプロイ</p>
    </li>
    <li class="feat-a__row">
      <span class="feat-a__icon" aria-hidden="true"></span>
      <p class="feat-a__text">自動バックアップ</p>
    </li>
    <li class="feat-a__row">
      <span class="feat-a__icon" aria-hidden="true"></span>
      <p class="feat-a__text">リアルタイム共同編集</p>
    </li>
  </ul>
</main>

@use "../../../../site/static/demo-tokens" as *;

$duration: $dur-loop;
$easing: $ease-out;
$color: $subject-blue;

@include stage($stage-paper);

.feat-a {
  // 태그가 <ul> 이라 UA 기본 margin·padding(list-style)부터 지운다 — 안 지우면 320px 세로 넘침의 숨은 원인이 된다
  margin: 0;
  list-style: none;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: $sp-3;
  width: clamp(240px, 80vw, 360px);
  padding: $sp-5;
  border-radius: $r-card;
  background: $stage-ink;
  box-shadow: $shadow-raised;
}
.feat-a::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .3;
  mix-blend-mode: overlay;
  background-image:
    radial-gradient(rgba($stage-paper, .6) .5px, transparent .5px),
    radial-gradient(rgba($stage-ink, .6) .5px, transparent .5px);
  background-size: 3px 3px, 5px 5px;
  border-radius: inherit;
}
.feat-a__row { position: relative; z-index: 1; margin: 0; display: flex; align-items: center; gap: $sp-3; }
// 아이콘 배지 안 그라디언트가 좌우로 흐른다 (background-position 만 움직인다)
.feat-a__icon {
  flex: none;
  width: $sp-8;
  height: $sp-8;
  border-radius: $r-pill;
  background: linear-gradient(120deg, $color, $stage-yellow, $stage-orange, $color);
  background-size: 200% 100%;
  animation: iconFlow $duration $easing infinite;
}
.feat-a__text { margin: 0; color: $stage-paper; font: 600 clamp(11.5px, 2.8vw, 13px)/1.4 -apple-system, "Segoe UI", "Noto Sans KR", sans-serif; }

@keyframes iconFlow { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }

@media (prefers-reduced-motion: reduce) {
  .feat-a__icon { animation: none; }
}

html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ffffff;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.feat-a {
  margin: 0;
  list-style: none;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: clamp(240px, 80vw, 360px);
  padding: 20px;
  border-radius: 16px;
  background: #17141a;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
}

.feat-a::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.3;
  mix-blend-mode: overlay;
  background-image: radial-gradient(rgba(255, 255, 255, 0.6) 0.5px, transparent 0.5px), radial-gradient(rgba(23, 20, 26, 0.6) 0.5px, transparent 0.5px);
  background-size: 3px 3px, 5px 5px;
  border-radius: inherit;
}

.feat-a__row {
  position: relative;
  z-index: 1;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.feat-a__icon {
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: linear-gradient(120deg, #2f6df6, #ffd23f, #ff4d1f, #2f6df6);
  background-size: 200% 100%;
  animation: iconFlow 2s ease-out infinite;
}

.feat-a__text {
  margin: 0;
  color: #ffffff;
  font: 600 clamp(11.5px, 2.8vw, 13px)/1.4 -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
}

@keyframes iconFlow {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}
@media (prefers-reduced-motion: reduce) {
  .feat-a__icon {
    animation: none;
  }
}

import type { CSSProperties } from "react";
import styles from "./AuroraFeatureList.module.scss";

export type AuroraFeatureListProps = {
  items?: string[];
  duration?: number;
  easing?: string;
  color?: string;
};

type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string; "--color"?: string };

export default function AuroraFeatureList({
  items = ["Fast deploys", "Auto backups", "Real-time collaboration"],
  duration = 2000,
  easing = "ease-out",
  color = "#2f6df6",
}: AuroraFeatureListProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <ul className={styles.list} style={vars}>
      {items.map((text) => (
        <li key={text} className={styles.row}>
          <span className={styles.icon} aria-hidden="true" />
          <p className={styles.text}>{text}</p>
        </li>
      ))}
    </ul>
  );
}