01Image zoom + caption slide

<main class="stage">
  <article class="card is-demo" tabindex="0">
    <div class="card__frame">
      <span class="card__media" aria-hidden="true"></span>
      <div class="card__caption">
        <h3 class="card__title">Bali Ubud, 3 nights 4 days</h3>
        <p class="card__desc">Rice-field villa · night tour</p>
      </div>
    </div>
  </article>
</main>

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

$duration: $dur-base;                                 // 확대·캡션이 움직이는 시간
$easing: $ease-out;
$color: $subject-blue;                                 // 미디어 그라디언트

@include stage($stage-ink);
.stage { padding: clamp(8px, 2.4vw, 16px); }

.card {
  width: min(160px, 50vw);
  border-radius: $r-card;
  overflow: hidden;
  background: $stage-paper;
  box-shadow: $shadow-press;
  outline: none;
  cursor: pointer;
}
.card__frame { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.card__media {
  position: absolute; inset: 0;
  background: linear-gradient(155deg, $color 0%, $stage-ink 100%);
  transform: scale(1);
  transition: transform $duration $easing;
}
.card__caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: $sp-2 $sp-3;
  background: linear-gradient(0deg, rgba($stage-ink, .85), rgba($stage-ink, 0));
  transform: translateY(60%);
  opacity: 0;
  transition: transform $duration $easing, opacity $duration $easing;
}
.card__title { margin: 0 0 $sp-1; font-weight: 700; font-size: clamp(11px, 3.2vw, 13px); line-height: 1.3; font-family: inherit; color: $stage-paper; }
.card__desc { margin: 0; font-weight: 500; font-size: clamp(10px, 2.8vw, 11px); line-height: 1.3; font-family: inherit; color: rgba($stage-paper, .85); }

.card:hover .card__media,
.card:focus-visible .card__media,
.card:active .card__media {
  transform: scale(1.08);
}
.card:hover .card__caption,
.card:focus-visible .card__caption,
.card:active .card__caption {
  transform: translateY(0);
  opacity: 1;
}

.card.is-demo .card__media   { animation: zoom-loop $dur-loop $easing infinite; }
.card.is-demo .card__caption { animation: caption-loop $dur-loop $easing infinite; }

@keyframes zoom-loop {
  0%, 15%  { transform: scale(1); }
  45%, 75% { transform: scale(1.08); }
  100%     { transform: scale(1); }
}
@keyframes caption-loop {
  0%, 15%  { transform: translateY(60%); opacity: 0; }
  45%, 75% { transform: translateY(0); opacity: 1; }
  100%     { transform: translateY(60%); opacity: 0; }
}

@media (hover: none) {
  .card:active .card__media { transform: scale(1.08); }
  .card:active .card__caption { transform: translateY(0); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .card__media, .card__caption { transition: none; }
  .card.is-demo .card__media, .card.is-demo .card__caption { animation: none; }
  .card__caption { transform: translateY(0); opacity: 1; }
}

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);
}

.stage {
  padding: clamp(8px, 2.4vw, 16px);
}

.card {
  width: min(160px, 50vw);
  border-radius: 16px;
  overflow: hidden;
  background: #ffffff;
  box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
  outline: none;
  cursor: pointer;
}

.card__frame {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.card__media {
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, #2f6df6 0%, #17141a 100%);
  transform: scale(1);
  transition: transform 300ms ease-out;
}

.card__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 8px 12px;
  background: linear-gradient(0deg, rgba(23, 20, 26, 0.85), rgba(23, 20, 26, 0));
  transform: translateY(60%);
  opacity: 0;
  transition: transform 300ms ease-out, opacity 300ms ease-out;
}

.card__title {
  margin: 0 0 4px;
  font-weight: 700;
  font-size: clamp(11px, 3.2vw, 13px);
  line-height: 1.3;
  font-family: inherit;
  color: #ffffff;
}

.card__desc {
  margin: 0;
  font-weight: 500;
  font-size: clamp(10px, 2.8vw, 11px);
  line-height: 1.3;
  font-family: inherit;
  color: rgba(255, 255, 255, 0.85);
}

.card:hover .card__media,
.card:focus-visible .card__media,
.card:active .card__media {
  transform: scale(1.08);
}

.card:hover .card__caption,
.card:focus-visible .card__caption,
.card:active .card__caption {
  transform: translateY(0);
  opacity: 1;
}

.card.is-demo .card__media {
  animation: zoom-loop 2s ease-out infinite;
}

.card.is-demo .card__caption {
  animation: caption-loop 2s ease-out infinite;
}

@keyframes zoom-loop {
  0%, 15% {
    transform: scale(1);
  }
  45%, 75% {
    transform: scale(1.08);
  }
  100% {
    transform: scale(1);
  }
}
@keyframes caption-loop {
  0%, 15% {
    transform: translateY(60%);
    opacity: 0;
  }
  45%, 75% {
    transform: translateY(0);
    opacity: 1;
  }
  100% {
    transform: translateY(60%);
    opacity: 0;
  }
}
@media (hover: none) {
  .card:active .card__media {
    transform: scale(1.08);
  }
  .card:active .card__caption {
    transform: translateY(0);
    opacity: 1;
  }
}
@media (prefers-reduced-motion: reduce) {
  .card__media, .card__caption {
    transition: none;
  }
  .card.is-demo .card__media, .card.is-demo .card__caption {
    animation: none;
  }
  .card__caption {
    transform: translateY(0);
    opacity: 1;
  }
}

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

export type ZoomCaptionCardProps = {
  title: string;
  desc: string;
  /** 확대·캡션이 움직이는 시간 (기본 300ms) */
  duration?: number;
  easing?: string;
  /** 미디어 그라디언트 색 */
  color?: string;
};

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

export default function ZoomCaptionCard({
  title,
  desc,
  duration = 300,
  easing = "ease-out",
  color = "#2f6df6",
}: ZoomCaptionCardProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <article className={styles.card} style={vars} tabIndex={0}>
      <div className={styles.frame}>
        <span className={styles.media} aria-hidden="true" />
        <div className={styles.caption}>
          <h3 className={styles.title}>{title}</h3>
          <p className={styles.desc}>{desc}</p>
        </div>
      </div>
    </article>
  );
}