03Tilt on hover

<main class="stage">
  <div class="frame">
    <div class="tilt is-demo" tabindex="0">Product preview</div>
  </div>
</main>

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

// ── 변수 3개 ──────────────────────────────
$duration: $dur-base;                                   // 기울기가 붙는 시간
$easing: $ease-spring;
$color: $subject-cream;                                 // 카드 배경

@include stage($stage-orange);

.frame { perspective: 600px; }                           // JS 없이 :hover 값만 고정으로 기운다(032 는 마우스 좌표 추적, 여기는 고정 각도)

.tilt {
  width: min(190px, 58vw);
  padding: $sp-6 $sp-4;
  border-radius: $r-card;
  background: $color;
  color: $subject-ink;
  font-weight: 700;
  font-size: 14px;
  line-height: 1.3;
  font-family: inherit;
  text-align: center;
  box-shadow: $shadow-press;
  outline: none;
  cursor: pointer;
  transform: rotateX(0deg) rotateY(0deg);
  transition: transform $duration $easing, box-shadow $duration $easing;
}
.tilt:hover,
.tilt:focus-visible,
.tilt:active {
  transform: rotateX(10deg) rotateY(-14deg);
  box-shadow: $shadow-raised;
}

// 데모 · 문서용: 고정 각도를 2초마다 오갔다 돌아온다
.tilt.is-demo { animation: tilt-loop $dur-loop $easing infinite; }

@keyframes tilt-loop {
  0%, 20%  { transform: rotateX(0deg) rotateY(0deg); box-shadow: $shadow-press; }
  55%      { transform: rotateX(10deg) rotateY(-14deg); box-shadow: $shadow-raised; }
  100%     { transform: rotateX(0deg) rotateY(0deg); box-shadow: $shadow-press; }
}

// 호버가 없는 터치 화면 — 누르는 동안만 기운다
@media (hover: none) {
  .tilt:active { transform: rotateX(10deg) rotateY(-14deg); }
}
@media (prefers-reduced-motion: reduce) {
  .tilt, .tilt.is-demo { animation: none; transition: none; transform: none; }
}

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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ff4d1f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.frame {
  perspective: 600px;
}

.tilt {
  width: min(190px, 58vw);
  padding: 24px 16px;
  border-radius: 16px;
  background: #fff7e6;
  color: #17141a;
  font-weight: 700;
  font-size: 14px;
  line-height: 1.3;
  font-family: inherit;
  text-align: center;
  box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
  outline: none;
  cursor: pointer;
  transform: rotateX(0deg) rotateY(0deg);
  transition: transform 300ms cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 300ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.tilt:hover,
.tilt:focus-visible,
.tilt:active {
  transform: rotateX(10deg) rotateY(-14deg);
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
}

.tilt.is-demo {
  animation: tilt-loop 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

@keyframes tilt-loop {
  0%, 20% {
    transform: rotateX(0deg) rotateY(0deg);
    box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
  }
  55% {
    transform: rotateX(10deg) rotateY(-14deg);
    box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
  }
  100% {
    transform: rotateX(0deg) rotateY(0deg);
    box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
  }
}
@media (hover: none) {
  .tilt:active {
    transform: rotateX(10deg) rotateY(-14deg);
  }
}
@media (prefers-reduced-motion: reduce) {
  .tilt, .tilt.is-demo {
    animation: none;
    transition: none;
    transform: none;
  }
}

import type { CSSProperties, ReactNode } from "react";
import styles from "./TiltHoverCard.module.scss";

export type TiltHoverCardProps = {
  duration?: number;
  easing?: string;
  /** 카드 배경 */
  color?: string;
  children?: ReactNode;
};

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

// 032(card-hover-tilt-3d-parallax) 와 달리 마우스 좌표를 안 읽는다 — :hover 값이 고정 각도로 붙는 순수 CSS 버전
export default function TiltHoverCard({
  duration = 300,
  easing = "cubic-bezier(.2,.8,.2,1)",
  color = "#fff7e6",
  children = "제품 미리보기",
}: TiltHoverCardProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };
  return (
    <div className={styles.frame}>
      <div className={styles.tilt} style={vars} tabIndex={0}>
        {children}
      </div>
    </div>
  );
}