01キューブ回転

<main class="stage">
  <div class="scene">
    <div class="cube is-demo">
      <div class="cube__face cube__face--front">製品</div>
      <div class="cube__face cube__face--right">レビュー</div>
      <div class="cube__face cube__face--back">価格</div>
      <div class="cube__face cube__face--left">お問い合わせ</div>
    </div>
  </div>
</main>

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

// ── 변수 3개. 변형은 이것만 바꾼다 ──────────────────────────
$duration: $dur-loop;                                  // 한 바퀴 도는 시간
$easing: linear;                                       // 등속. 튀면 큐브가 멈칫거려 보인다
$color: $subject-blue-deep;                             // 큐브 면 색 (크림 글자가 얹히므로 진한 파랑)

@include stage($stage-ink);

$size: 96px;
$half: 48px;

.scene { perspective: 640px; }                         // 자식 큐브가 이 값 기준으로 입체로 보인다

.cube {
  position: relative;
  width: $size;
  height: $size;
  transform-style: preserve-3d;                        // 자식 4면이 평면으로 뭉개지지 않게
  animation: spin $duration $easing infinite;
}
.cube__face {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border-radius: $r-sm;
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  font-family: inherit;
  color: $subject-cream;
  background: $color;
  backface-visibility: hidden;                          // 뒤로 돌아간 면의 글자가 거울처럼 비치지 않게
  box-shadow: $shadow-press;
}
.cube__face--front { transform: translateZ($half); }
.cube__face--right { transform: rotateY(90deg) translateZ($half); background: darken($color, 10%); }
.cube__face--back  { transform: rotateY(180deg) translateZ($half); }
.cube__face--left  { transform: rotateY(-90deg) translateZ($half); background: darken($color, 10%); }

@keyframes spin {
  from { transform: rotateY(0deg); }
  to   { transform: rotateY(360deg); }
}

// ── 접근성: 움직임 줄이기 설정이면 한쪽 면에서 멈춘다 ────────────
@media (prefers-reduced-motion: reduce) {
  .cube { animation: none; transform: rotateY(-28deg); }
}

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);
}

.scene {
  perspective: 640px;
}

.cube {
  position: relative;
  width: 96px;
  height: 96px;
  transform-style: preserve-3d;
  animation: spin 2s linear infinite;
}

.cube__face {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  font-family: inherit;
  color: #fff7e6;
  background: #0a4fe8;
  backface-visibility: hidden;
  box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
}

.cube__face--front {
  transform: translateZ(48px);
}

.cube__face--right {
  transform: rotateY(90deg) translateZ(48px);
  background: rgb(3.0951223465%, 24.451466537%, 71.8068384379%);
}

.cube__face--back {
  transform: rotateY(180deg) translateZ(48px);
}

.cube__face--left {
  transform: rotateY(-90deg) translateZ(48px);
  background: rgb(3.0951223465%, 24.451466537%, 71.8068384379%);
}

@keyframes spin {
  from {
    transform: rotateY(0deg);
  }
  to {
    transform: rotateY(360deg);
  }
}
@media (prefers-reduced-motion: reduce) {
  .cube {
    animation: none;
    transform: rotateY(-28deg);
  }
}

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

export type CubeRotateProps = {
  /** 한 바퀴 도는 시간 (기본 2000ms) */
  duration?: number;
  /** CSS easing (기본 linear — 등속이어야 멈칫거리지 않는다) */
  easing?: string;
  /** 큐브 면 색 */
  color?: string;
  /** 4면에 넣을 라벨 */
  faces?: [string, string, string, string];
  className?: string;
};

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

export default function CubeRotate({
  duration = 2000,
  easing = "linear",
  color = "#2f6df6",
  faces = ["제품", "리뷰", "가격", "문의"],
  className = "",
}: CubeRotateProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };
  return (
    <div className={`${styles.scene} ${className}`} style={vars}>
      <div className={styles.cube}>
        <div className={`${styles.face} ${styles.front}`}>{faces[0]}</div>
        <div className={`${styles.face} ${styles.right}`}>{faces[1]}</div>
        <div className={`${styles.face} ${styles.back}`}>{faces[2]}</div>
        <div className={`${styles.face} ${styles.left}`}>{faces[3]}</div>
      </div>
    </div>
  );
}