01그라디언트 안개 히어로

<main class="stage">
  <section class="herocandy">
    <span class="herocandy__mist herocandy__mist--a" aria-hidden="true"></span>
    <span class="herocandy__mist herocandy__mist--b" aria-hidden="true"></span>
    <span class="herocandy__mist herocandy__mist--c" aria-hidden="true"></span>
    <div class="herocandy__card">
      <p class="herocandy__eyebrow">푸딩</p>
      <h1 class="herocandy__title">말랑한 게 좋아</h1>
      <p class="herocandy__desc">부드러운 파스텔 랜딩</p>
      <button class="herocandy__cta" type="button">무료로 시작</button>
    </div>
  </section>
</main>

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

$duration: $dur-loop;       // 안개가 한 바퀴 떠도는 주기
$easing: $ease-spring;      // 통통하게 떠오르는 곡선
$color: $stage-ink;         // 글자 색 기본값(토큰) — 아래 캔디 팔레트의 베리 잉크로 덮는다

// 캔디 팔레트 — 이 편의 역할 색. 값은 tailwind.config.js · tokens.css 와 같다
$candy-cream:    #fff6f0;   // 크림 바탕
$candy-bubble:   #ffb9cf;   // 버블검 핑크 — 주인공
$candy-peach:    #ffd2b8;   // 피치
$candy-lemon:    #ffe9a3;   // 레몬
$candy-mint:     #b5e8d2;   // 민트
$candy-lavender: #cdbcf2;   // 라벤더
$candy-berry:    #55395e;   // 베리 잉크 — 글자는 항상 이 색(대비 9:1)

@include stage($candy-cream);

.herocandy {
  position: relative;
  width: clamp(220px, 76vw, 360px);
}
.herocandy__mist {
  position: absolute;
  width: clamp(96px, 36vw, 150px);
  aspect-ratio: 1;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(6px);
}
.herocandy__mist--a {
  top: -22px;
  left: -20px;
  background: radial-gradient(circle at 35% 35%, rgba($candy-bubble, .95), rgba($candy-bubble, 0) 70%);
  animation: mistA $duration $easing infinite;
}
.herocandy__mist--b {
  right: -24px;
  top: 26%;
  background: radial-gradient(circle at 60% 40%, rgba($candy-peach, .95), rgba($candy-peach, 0) 70%);
  animation: mistB $duration $easing infinite;
  animation-delay: -1s;
}
.herocandy__mist--c {
  left: 6%;
  bottom: -26px;
  background: radial-gradient(circle at 45% 55%, rgba($candy-lavender, .9), rgba($candy-lavender, 0) 70%);
  animation: mistA $duration $easing infinite;
  animation-delay: -.5s;
}
.herocandy__card {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: $sp-2;
  padding: $sp-5;
  border-radius: $r-card;
  background: $stage-paper;
  box-shadow: 0 10px 24px rgba($candy-bubble, .55);
  animation: cardBob $duration $easing infinite;
}
.herocandy__eyebrow {
  margin: 0;
  color: $candy-berry;
  font-weight: 700; font-size: clamp(10px, 2.6vw, 12px); line-height: 1;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.herocandy__title {
  margin: 0;
  color: $candy-berry;
  font-weight: 700; font-size: clamp(18px, 4.6vw, 24px); line-height: 1.2;
}
.herocandy__desc {
  margin: 0;
  color: rgba($candy-berry, .78);
  font-weight: 500; font-size: clamp(12px, 2.8vw, 14px); line-height: 1.4;
}
.herocandy__cta {
  margin-top: $sp-1;
  border: 0;
  border-radius: $r-pill;
  background: $stage-paper;
  color: $candy-berry;
  padding: $sp-2 $sp-5;
  font-weight: 700; font-size: clamp(12px, 2.8vw, 14px); line-height: 1;
  box-shadow: 0 6px 14px rgba($candy-bubble, .6);
}
.herocandy__cta:focus-visible {
  outline: 3px solid $candy-berry;
  outline-offset: 2px;
}

// 데모: 안개 세 개가 각자 다른 위상으로 떠다니고, 카드는 살짝 들썩인다 (WAAPI 시계가 잡을 수 있게 keyframes)
@keyframes mistA {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(7%, 9%) scale(1.14); }
}
@keyframes mistB {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(-6%, -7%) scale(.88); }
}
@keyframes cardBob {
  0%, 100% { transform: translateY(0); box-shadow: 0 10px 24px rgba($candy-bubble, .55); }
  50%      { transform: translateY(-7px); box-shadow: 0 16px 30px rgba($candy-bubble, .5); }
}

// 반응형: 320×200 처럼 세로가 짧은 화면에선 안개 번짐과 카드 속을 줄인다(BD9 — 219 크랙 편에서 실측한 방식)
@media (max-width: 340px), (max-height: 220px) {
  .herocandy__mist { width: clamp(60px, 22vw, 86px); }
  .herocandy__mist--a { top: -8px; left: -8px; }
  .herocandy__mist--b { right: -8px; top: 12%; }
  .herocandy__mist--c { left: 8%; bottom: -8px; }
  .herocandy__card { padding: $sp-3 $sp-4; gap: $sp-1; }
  .herocandy__eyebrow { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .herocandy__mist, .herocandy__card { animation: none !important; transform: none; }
}

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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #fff6f0;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.herocandy {
  position: relative;
  width: clamp(220px, 76vw, 360px);
}

.herocandy__mist {
  position: absolute;
  width: clamp(96px, 36vw, 150px);
  aspect-ratio: 1;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(6px);
}

.herocandy__mist--a {
  top: -22px;
  left: -20px;
  background: radial-gradient(circle at 35% 35%, rgba(255, 185, 207, 0.95), rgba(255, 185, 207, 0) 70%);
  animation: mistA 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.herocandy__mist--b {
  right: -24px;
  top: 26%;
  background: radial-gradient(circle at 60% 40%, rgba(255, 210, 184, 0.95), rgba(255, 210, 184, 0) 70%);
  animation: mistB 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
  animation-delay: -1s;
}

.herocandy__mist--c {
  left: 6%;
  bottom: -26px;
  background: radial-gradient(circle at 45% 55%, rgba(205, 188, 242, 0.9), rgba(205, 188, 242, 0) 70%);
  animation: mistA 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
  animation-delay: -0.5s;
}

.herocandy__card {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 20px;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(255, 185, 207, 0.55);
  animation: cardBob 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.herocandy__eyebrow {
  margin: 0;
  color: #55395e;
  font-weight: 700;
  font-size: clamp(10px, 2.6vw, 12px);
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.herocandy__title {
  margin: 0;
  color: #55395e;
  font-weight: 700;
  font-size: clamp(18px, 4.6vw, 24px);
  line-height: 1.2;
}

.herocandy__desc {
  margin: 0;
  color: rgba(85, 57, 94, 0.78);
  font-weight: 500;
  font-size: clamp(12px, 2.8vw, 14px);
  line-height: 1.4;
}

.herocandy__cta {
  margin-top: 4px;
  border: 0;
  border-radius: 999px;
  background: #ffffff;
  color: #55395e;
  padding: 8px 20px;
  font-weight: 700;
  font-size: clamp(12px, 2.8vw, 14px);
  line-height: 1;
  box-shadow: 0 6px 14px rgba(255, 185, 207, 0.6);
}

.herocandy__cta:focus-visible {
  outline: 3px solid #55395e;
  outline-offset: 2px;
}

@keyframes mistA {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(7%, 9%) scale(1.14);
  }
}
@keyframes mistB {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(-6%, -7%) scale(0.88);
  }
}
@keyframes cardBob {
  0%, 100% {
    transform: translateY(0);
    box-shadow: 0 10px 24px rgba(255, 185, 207, 0.55);
  }
  50% {
    transform: translateY(-7px);
    box-shadow: 0 16px 30px rgba(255, 185, 207, 0.5);
  }
}
@media (max-width: 340px), (max-height: 220px) {
  .herocandy__mist {
    width: clamp(60px, 22vw, 86px);
  }
  .herocandy__mist--a {
    top: -8px;
    left: -8px;
  }
  .herocandy__mist--b {
    right: -8px;
    top: 12%;
  }
  .herocandy__mist--c {
    left: 8%;
    bottom: -8px;
  }
  .herocandy__card {
    padding: 12px 16px;
    gap: 4px;
  }
  .herocandy__eyebrow {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .herocandy__mist, .herocandy__card {
    animation: none !important;
    transform: none;
  }
}

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

export type HeroCandyProps = {
  eyebrow?: string;
  title?: string;
  desc?: string;
  cta?: string;
  /** 한 주기(기본 2000ms) */
  duration?: number;
  easing?: string;
  color?: string;
};

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

export default function HeroCandy({
  eyebrow = "푸딩",
  title = "말랑한 게 좋아",
  desc = "부드러운 파스텔 랜딩",
  cta = "무료로 시작",
  duration = 2000,
  easing = "cubic-bezier(.2,.8,.2,1)",
  color = "#ffb9cf",
}: HeroCandyProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <section className={styles.herocandy} style={vars}>
      <span className={`${styles.mist} ${styles.mistA}`} aria-hidden="true" />
      <span className={`${styles.mist} ${styles.mistB}`} aria-hidden="true" />
      <span className={`${styles.mist} ${styles.mistC}`} aria-hidden="true" />
      <div className={styles.card}>
        <p className={styles.eyebrow}>{eyebrow}</p>
        <h1 className={styles.title}>{title}</h1>
        <p className={styles.desc}>{desc}</p>
        <button type="button" className={styles.cta}>{cta}</button>
      </div>
    </section>
  );
}