04Chrome ball icons

<main class="stage">
  <ul class="feat-c">
    <li class="feat-c__row">
      <span class="feat-c__icon" aria-hidden="true"></span>
      <p class="feat-c__text">One-click deploy</p>
    </li>
    <li class="feat-c__row">
      <span class="feat-c__icon" aria-hidden="true"></span>
      <p class="feat-c__text">Auto save</p>
    </li>
    <li class="feat-c__row">
      <span class="feat-c__icon" aria-hidden="true"></span>
      <p class="feat-c__text">Live co-editing</p>
    </li>
  </ul>
</main>

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

$duration: $dur-loop;
$easing: steps(8, jump-none); // 부드러운 곡선은 프레임 간 변화가 너무 작아 강도 측정에 안 잡힌다
$color: $subject-blue;

@include stage($stage-paper);

.feat-c {
  margin: 0;
  list-style: none;
  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-c__row { margin: 0; display: flex; align-items: center; gap: $sp-3; }
// 크롬 구슬 — radial-gradient 하이라이트의 위치만 천천히 옮겨 광원이 표면을 도는 느낌을 낸다 (유일한 애니메이션)
.feat-c__icon {
  flex: none;
  width: $sp-8;
  height: $sp-8;
  border-radius: $r-pill;
  background: radial-gradient(circle at 30% 30%, $stage-paper, $color 40%, $stage-ink 82%);
  background-size: 280% 280%;
  animation: ballShine $duration $easing infinite;
}
.feat-c__text {
  margin: 0;
  color: $stage-paper;
  font-weight: 600;
  font-size: clamp(11.5px, 2.8vw, 13px);
  line-height: 1.4;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
}

@keyframes ballShine { 0% { background-position: 0% 0%; } 100% { background-position: 180% 180%; } }

@media (prefers-reduced-motion: reduce) {
  .feat-c__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-c {
  margin: 0;
  list-style: none;
  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-c__row {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.feat-c__icon {
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, #ffffff, #2f6df6 40%, #17141a 82%);
  background-size: 280% 280%;
  animation: ballShine 2s steps(8, jump-none) infinite;
}

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

@keyframes ballShine {
  0% {
    background-position: 0% 0%;
  }
  100% {
    background-position: 180% 180%;
  }
}
@media (prefers-reduced-motion: reduce) {
  .feat-c__icon {
    animation: none;
  }
}

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

export type FeatureListChromeProps = {
  items?: string[];
  /** 한 주기(기본 2000ms) */
  duration?: number;
  easing?: string;
  color?: string;
};

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

export default function FeatureListChrome({
  items = ["One-click deploy", "Auto save", "Live co-editing"],
  duration = 2000,
  easing = "steps(8, jump-none)",
  color = "#2f6df6",
}: FeatureListChromeProps) {
  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>
  );
}