01Juice-splash hero

<main class="stage">
  <section class="herocitrus">
    <span class="herocitrus__drop herocitrus__drop--a" aria-hidden="true"></span>
    <span class="herocitrus__drop herocitrus__drop--b" aria-hidden="true"></span>
    <span class="herocitrus__drop herocitrus__drop--c" aria-hidden="true"></span>
    <div class="herocitrus__card">
      <p class="herocitrus__eyebrow">Squeeze</p>
      <h1 class="herocitrus__title">Fresh again today</h1>
      <p class="herocitrus__desc">A landing kit bursting with juice</p>
      <button class="herocitrus__cta" type="button">Start for free</button>
    </div>
  </section>
</main>

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

$duration: $dur-loop;       // 방울 세 개가 한 바퀴 튀어 도는 주기
$easing: $ease-spring;      // 통통 튀어 오르는 곡선
$color: $stage-ink;         // 글자 기본(토큰) — 아래 시트러스 잉크로 덮는다

// 시트러스 팔레트 — 값은 tailwind.config.js · tokens.css 와 같다. 카드류는 잉크 대비 4.5:1 이상 확보한 밝은 톤, 진한 톤은 그림자·그라디언트 전용(접근성 섹션 참고)
$citrus-cream:      #fffaf0;  // 크림 바탕
$citrus-orange:      #d8c1b1;  // 오렌지 — 카드 표면용(대비 4.9:1)
$citrus-orange-deep:  #bd967a;  // 오렌지 — 그림자·그라디언트 전용(진한 톤)
$citrus-lime:        #c4ce9c;  // 라임 — 카드 표면용
$citrus-grapefruit:  #ebd6da;  // 자몽 — 카드 표면용
$citrus-lemon:       #dfd8be;  // 레몬 — 카드 표면용
$citrus-ink:         #204a17;  // 잎사귀 잉크 — 글자는 항상 이 색(흰 배경 대비 10:1)

@include stage($citrus-cream);

.herocitrus {
  position: relative;
  width: clamp(220px, 76vw, 360px);
}
// 물방울 — 비대칭 반경(물방울 모양)을 45도 돌려 만든다. 위치·크기는 부모가, 모양 각도는 고정
.herocitrus__drop {
  position: absolute;
  width: clamp(46px, 16vw, 64px);
  aspect-ratio: 1;
  pointer-events: none;
}
.herocitrus__drop::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50% 50% 50% $r-xs;
  transform: rotate(45deg);
}
.herocitrus__drop--a {
  top: -18px;
  left: -14px;
  animation: dropA $duration $easing infinite;
}
.herocitrus__drop--a::before { background: $citrus-orange-deep; box-shadow: 0 8px 16px rgba($citrus-orange-deep, .55); }
.herocitrus__drop--b {
  right: -18px;
  top: 30%;
  animation: dropB $duration $easing infinite;
  animation-delay: calc($duration / -3);
}
.herocitrus__drop--b::before { background: mix($citrus-lime, $citrus-ink, 85%); box-shadow: 0 8px 16px rgba($citrus-lime, .6); }
.herocitrus__drop--c {
  left: 10%;
  bottom: -20px;
  animation: dropA $duration $easing infinite;
  animation-delay: calc($duration / -3 * 2);
}
.herocitrus__drop--c::before { background: $citrus-grapefruit; box-shadow: 0 8px 16px rgba($citrus-grapefruit, .55); }
.herocitrus__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: $stage-paper;
  box-shadow: 0 10px 24px rgba($citrus-orange-deep, .4);
  animation: cardBob $duration $easing infinite;
}
.herocitrus__eyebrow {
  margin: 0;
  color: $citrus-ink;
  font-weight: 700; font-size: clamp(10px, 2.6vw, 12px); line-height: 1;
  font-family: inherit;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.herocitrus__title {
  margin: 0;
  color: $citrus-ink;
  font-weight: 700; font-size: clamp(18px, 4.6vw, 24px); line-height: 1.2;
  font-family: inherit;
}
.herocitrus__desc {
  margin: 0;
  color: rgba($citrus-ink, .72);
  font-weight: 500; font-size: clamp(12px, 2.8vw, 14px); line-height: 1.4;
  font-family: inherit;
}
.herocitrus__cta {
  margin-top: $sp-1;
  border: 0;
  border-radius: $r-pill;
  background: $citrus-orange-deep;
  color: $subject-ink;
  padding: $sp-2 $sp-5;
  font-weight: 700; font-size: clamp(12px, 2.8vw, 14px); line-height: 1;
  font-family: inherit;
  box-shadow: 0 6px 14px rgba($citrus-orange-deep, .6);
}
.herocitrus__cta:focus-visible {
  outline: 3px solid $citrus-ink;
  outline-offset: 2px;
}

// 데모: 물방울 세 개가 각자 다른 위상으로 튀어 오르고, 카드는 그때마다 살짝 눌렸다 뜬다 (WAAPI 시계가 잡을 수 있게 keyframes)
@keyframes dropA {
  0%, 100% { transform: translate(0, 0) scale(1) rotate(0deg); }
  50%      { transform: translate(8%, -10%) scale(1.15) rotate(-8deg); }
}
@keyframes dropB {
  0%, 100% { transform: translate(0, 0) scale(1) rotate(0deg); }
  50%      { transform: translate(-7%, 9%) scale(.86) rotate(10deg); }
}
@keyframes cardBob {
  0%, 100% { transform: translateY(0); box-shadow: 0 10px 24px rgba($citrus-orange-deep, .4); }
  50%      { transform: translateY(-7px); box-shadow: 0 16px 30px rgba($citrus-orange-deep, .32); }
}

// 반응형: 320×200 처럼 세로가 짧은 화면에선 방울 크기와 카드 속을 줄인다(BD9 — 217 실측대로 카드 자체 높이가 넘침의 주 원인이라
// 패딩·글자·버튼까지 함께 줄인다. 217-01 은 mist 를 blur 원으로만 그려 카드 밖으로 안 삐져나왔지만 이 편은 물방울을 카드 모서리
// 밖으로 튀어나오게 그려 bottom 오프셋이 남으면 213px 로 넘쳤다 — 실측)
@media (max-width: 340px), (max-height: 220px) {
  .herocitrus__drop { width: clamp(22px, 8vw, 30px); }
  .herocitrus__drop--a { top: -4px; left: -4px; }
  .herocitrus__drop--b { right: -4px; top: 12%; }
  .herocitrus__drop--c { left: 8%; bottom: -4px; }
  .herocitrus__card { padding: $sp-2 $sp-3; gap: $sp-1; }
  .herocitrus__eyebrow { display: none; }
  .herocitrus__title { font-size: 15px; line-height: 1.15; }
  .herocitrus__desc { display: none; }
  .herocitrus__cta { padding: $sp-1 $sp-4; margin-top: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .herocitrus__drop, .herocitrus__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: #fffaf0;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

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

.herocitrus__drop {
  position: absolute;
  width: clamp(46px, 16vw, 64px);
  aspect-ratio: 1;
  pointer-events: none;
}

.herocitrus__drop::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50% 50% 50% 4px;
  transform: rotate(45deg);
}

.herocitrus__drop--a {
  top: -18px;
  left: -14px;
  animation: dropA 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.herocitrus__drop--a::before {
  background: #bd967a;
  box-shadow: 0 8px 16px rgba(189, 150, 122, 0.55);
}

.herocitrus__drop--b {
  right: -18px;
  top: 30%;
  animation: dropB 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
  animation-delay: -0.6666666667s;
}

.herocitrus__drop--b::before {
  background: rgb(67.2156862745%, 73.0196078431%, 53.3529411765%);
  box-shadow: 0 8px 16px rgba(196, 206, 156, 0.6);
}

.herocitrus__drop--c {
  left: 10%;
  bottom: -20px;
  animation: dropA 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
  animation-delay: -1.3333333333s;
}

.herocitrus__drop--c::before {
  background: #ebd6da;
  box-shadow: 0 8px 16px rgba(235, 214, 218, 0.55);
}

.herocitrus__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(189, 150, 122, 0.4);
  animation: cardBob 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.herocitrus__eyebrow {
  margin: 0;
  color: #204a17;
  font-weight: 700;
  font-size: clamp(10px, 2.6vw, 12px);
  line-height: 1;
  font-family: inherit;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.herocitrus__title {
  margin: 0;
  color: #204a17;
  font-weight: 700;
  font-size: clamp(18px, 4.6vw, 24px);
  line-height: 1.2;
  font-family: inherit;
}

.herocitrus__desc {
  margin: 0;
  color: rgba(32, 74, 23, 0.72);
  font-weight: 500;
  font-size: clamp(12px, 2.8vw, 14px);
  line-height: 1.4;
  font-family: inherit;
}

.herocitrus__cta {
  margin-top: 4px;
  border: 0;
  border-radius: 999px;
  background: #bd967a;
  color: #17141a;
  padding: 8px 20px;
  font-weight: 700;
  font-size: clamp(12px, 2.8vw, 14px);
  line-height: 1;
  font-family: inherit;
  box-shadow: 0 6px 14px rgba(189, 150, 122, 0.6);
}

.herocitrus__cta:focus-visible {
  outline: 3px solid #204a17;
  outline-offset: 2px;
}

@keyframes dropA {
  0%, 100% {
    transform: translate(0, 0) scale(1) rotate(0deg);
  }
  50% {
    transform: translate(8%, -10%) scale(1.15) rotate(-8deg);
  }
}
@keyframes dropB {
  0%, 100% {
    transform: translate(0, 0) scale(1) rotate(0deg);
  }
  50% {
    transform: translate(-7%, 9%) scale(0.86) rotate(10deg);
  }
}
@keyframes cardBob {
  0%, 100% {
    transform: translateY(0);
    box-shadow: 0 10px 24px rgba(189, 150, 122, 0.4);
  }
  50% {
    transform: translateY(-7px);
    box-shadow: 0 16px 30px rgba(189, 150, 122, 0.32);
  }
}
@media (max-width: 340px), (max-height: 220px) {
  .herocitrus__drop {
    width: clamp(22px, 8vw, 30px);
  }
  .herocitrus__drop--a {
    top: -4px;
    left: -4px;
  }
  .herocitrus__drop--b {
    right: -4px;
    top: 12%;
  }
  .herocitrus__drop--c {
    left: 8%;
    bottom: -4px;
  }
  .herocitrus__card {
    padding: 8px 12px;
    gap: 4px;
  }
  .herocitrus__eyebrow {
    display: none;
  }
  .herocitrus__title {
    font-size: 15px;
    line-height: 1.15;
  }
  .herocitrus__desc {
    display: none;
  }
  .herocitrus__cta {
    padding: 4px 16px;
    margin-top: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  .herocitrus__drop, .herocitrus__card {
    animation: none !important;
    transform: none;
  }
}

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

export type HeroCitrusProps = {
  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 HeroCitrus({
  eyebrow = "스퀴즈",
  title = "오늘도 상큼하게",
  desc = "과즙 가득한 랜딩 키트",
  cta = "무료로 시작",
  duration = 2000,
  easing = "cubic-bezier(.2,.8,.2,1)",
  color = "#ff6a00",
}: HeroCitrusProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <section className={styles.herocitrus} style={vars}>
      <span className={`${styles.drop} ${styles.dropA}`} aria-hidden="true" />
      <span className={`${styles.drop} ${styles.dropB}`} aria-hidden="true" />
      <span className={`${styles.drop} ${styles.dropC}`} 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>
  );
}