05Icon group-hover

<main class="stage">
  <a class="card group is-demo" href="#" onclick="return false">
    <span class="card__text">Tìm hiểu thêm</span>
    <span class="arrow">
      <span class="arrow__line"></span>
      <span class="arrow__head"></span>
    </span>
  </a>
</main>

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

// ── 변수 3개 ──────────────────────────────────────────
$duration: 200ms;
$easing: ease-out;
$color: $subject-blue;

// ── 데모 무대 ──────────────────────────────────────────
@include stage($stage-ink);

.card {
  display: inline-flex;
  align-items: center;
  gap: $sp-3;
  padding: $sp-4 $sp-6;
  border-radius: $r-control;
  background: rgba($subject-cream, .08);
  border: 1px solid rgba($subject-cream, .18);
  text-decoration: none;
  cursor: pointer;
}

.card__text {
  color: $subject-cream;
  font-weight: 600;
  font-size: clamp(14px, 4vw, 16px);
  line-height: 1;
  font-family: inherit;
}

.arrow {
  position: relative;
  width: 18px;
  height: 14px;
}

.arrow__line {
  position: absolute;
  left: 0; top: 6px;
  width: 14px; height: 2px;
  background: $color;
  transform-origin: left center; // 규칙8: 화살대 왼쪽 고정 신장
  transition: transform $duration $easing;
}

.arrow__head {
  position: absolute;
  right: 0; top: 1px;
  width: 9px; height: 9px;
  border-top: 2px solid $color;
  border-right: 2px solid $color;
  transform: rotate(45deg);
  transition: transform $duration $easing;
}

// 실사용: group-hover — 카드 어디를 호버해도 화살표만 오른쪽으로 4px
.card:hover .arrow__line,
.card:focus-visible .arrow__line   { transform: translateX(4px) scaleX(1.08); }
.card:hover .arrow__head,
.card:focus-visible .arrow__head   { transform: translate(4px, 0) rotate(45deg); }

// 데모: 호버를 걸 수 없으니 2초마다 같은 움직임을 스스로 반복
.card.is-demo .arrow__line { animation: nudge-line 2s $easing infinite; }
.card.is-demo .arrow__head { animation: nudge-head 2s $easing infinite; }

@keyframes nudge-line {
  0%, 30% { transform: translateX(0) scaleX(1); }
  55%     { transform: translateX(4px) scaleX(1.08); }
  80%, 100% { transform: translateX(0) scaleX(1); }
}
@keyframes nudge-head {
  0%, 30% { transform: translate(0, 0) rotate(45deg); }
  55%     { transform: translate(4px, 0) rotate(45deg); }
  80%, 100% { transform: translate(0, 0) rotate(45deg); }
}

// ── 접근성 ──────────────────────────────────────────
@media (prefers-reduced-motion: reduce) {
  .arrow__line, .arrow__head { transition: none; }
  .card.is-demo .arrow__line, .card.is-demo .arrow__head { animation: none; }
}

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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #17141a;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.card {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  border-radius: 12px;
  background: rgba(255, 247, 230, 0.08);
  border: 1px solid rgba(255, 247, 230, 0.18);
  text-decoration: none;
  cursor: pointer;
}

.card__text {
  color: #fff7e6;
  font-weight: 600;
  font-size: clamp(14px, 4vw, 16px);
  line-height: 1;
  font-family: inherit;
}

.arrow {
  position: relative;
  width: 18px;
  height: 14px;
}

.arrow__line {
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
  background: #2f6df6;
  transform-origin: left center;
  transition: transform 200ms ease-out;
}

.arrow__head {
  position: absolute;
  right: 0;
  top: 1px;
  width: 9px;
  height: 9px;
  border-top: 2px solid #2f6df6;
  border-right: 2px solid #2f6df6;
  transform: rotate(45deg);
  transition: transform 200ms ease-out;
}

.card:hover .arrow__line,
.card:focus-visible .arrow__line {
  transform: translateX(4px) scaleX(1.08);
}

.card:hover .arrow__head,
.card:focus-visible .arrow__head {
  transform: translate(4px, 0) rotate(45deg);
}

.card.is-demo .arrow__line {
  animation: nudge-line 2s ease-out infinite;
}

.card.is-demo .arrow__head {
  animation: nudge-head 2s ease-out infinite;
}

@keyframes nudge-line {
  0%, 30% {
    transform: translateX(0) scaleX(1);
  }
  55% {
    transform: translateX(4px) scaleX(1.08);
  }
  80%, 100% {
    transform: translateX(0) scaleX(1);
  }
}
@keyframes nudge-head {
  0%, 30% {
    transform: translate(0, 0) rotate(45deg);
  }
  55% {
    transform: translate(4px, 0) rotate(45deg);
  }
  80%, 100% {
    transform: translate(0, 0) rotate(45deg);
  }
}
@media (prefers-reduced-motion: reduce) {
  .arrow__line, .arrow__head {
    transition: none;
  }
  .card.is-demo .arrow__line, .card.is-demo .arrow__head {
    animation: none;
  }
}

import type { CSSProperties, MouseEvent } from "react";
import styles from "./GroupHoverIconCard.module.scss";

export type GroupHoverIconCardProps = {
  label?: string;
  duration?: number;
  easing?: string;
  color?: string;
};

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

export default function GroupHoverIconCard({
  label = "Learn more",
  duration = 200,
  easing = "ease-out",
  color = "#2f6df6",
}: GroupHoverIconCardProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };
  return (
    <a className={styles.card} href="#" style={vars} onClick={(e: MouseEvent) => e.preventDefault()}>
      <span className={styles.card__text}>{label}</span>
      <span className={styles.arrow}>
        <span className={styles.arrow__line} />
        <span className={styles.arrow__head} />
      </span>
    </a>
  );
}