08Scissor-cut zigzag footer

<main class="stage">
  <div class="footcrayon">
    <div class="footcrayon__zigzag" aria-hidden="true"></div>
    <footer class="footcrayon__panel">
      <div class="footcrayon__col footcrayon__col--a">
        <p class="footcrayon__head">Classes</p>
        <p class="footcrayon__link">Lessons</p>
        <p class="footcrayon__link">Resources</p>
      </div>
      <div class="footcrayon__col footcrayon__col--b">
        <p class="footcrayon__head">Brand</p>
        <p class="footcrayon__link">About</p>
        <p class="footcrayon__link">Contact</p>
      </div>
      <div class="footcrayon__col footcrayon__col--c">
        <p class="footcrayon__head">Help</p>
        <p class="footcrayon__link">FAQ</p>
        <p class="footcrayon__link">Guides</p>
      </div>
      <p class="footcrayon__bottom">
        Crayon · One drawing a day
        <span class="footcrayon__star footcrayon__star--a" aria-hidden="true">✦</span>
        <span class="footcrayon__star footcrayon__star--b" aria-hidden="true">✦</span>
      </p>
    </footer>
  </div>
</main>

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

$duration: $dur-loop;       // 별이 한 번 반짝이는 주기
$easing:   $ease-spring;    // 반짝임 곡선
$color:    $stage-ink;      // 글자 색 기본값(토큰) — 아래 크레용 잉크로 덮는다

$crayon-paper:  #fff8ef;
$crayon-ink:    #33261c;
$crayon-red:    #dbb6b7;
$crayon-yellow: #d1c5a2;
$crayon-blue:   #9cb8ce;
$crayon-green:  #6dbe6d;
$crayon-purple: #cbbfe0;
$crayon-red-tint:    #ffe1e1;
$crayon-yellow-tint: #fff3cc;
$crayon-blue-tint:   #dff0fc;

@include stage($crayon-paper);

.footcrayon {
  width: clamp(240px, 90vw, 360px);
}
// 가위로 대충 오린 듯한 지그재그 윗변 — 조각마다 요소를 두지 않고 clip-path 하나로 그린다
.footcrayon__zigzag {
  height: 14px;
  background: $crayon-ink;
  clip-path: polygon(
    0% 100%, 0% 30%, 6% 85%, 12% 15%, 18% 90%, 24% 20%, 30% 88%,
    36% 12%, 42% 92%, 48% 18%, 54% 85%, 60% 22%, 66% 90%, 72% 15%,
    78% 88%, 84% 20%, 90% 92%, 96% 14%, 100% 30%, 100% 100%
  );
}
.footcrayon__panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: $sp-2;
  padding: $sp-4 $sp-3;
  background: $crayon-ink;
}
.footcrayon__col {
  display: flex;
  flex-direction: column;
  gap: $sp-1;
  border-radius: $r-sm;
  padding: $sp-2;
}
.footcrayon__col--a { background: rgba($crayon-red-tint, .18); }
.footcrayon__col--b { background: rgba($crayon-yellow-tint, .18); }
.footcrayon__col--c { background: rgba($crayon-blue-tint, .18); }
.footcrayon__head {
  margin: 0 0 $sp-1;
  color: $crayon-paper;
  font-weight: 700;
  font-size: 10px;
}
.footcrayon__link {
  margin: 0;
  color: rgba($crayon-paper, .72);
  font-weight: 500;
  font-size: 9px;
}
.footcrayon__bottom {
  position: relative;
  grid-column: 1 / -1;
  margin: $sp-2 0 0;
  text-align: center;
  color: rgba($crayon-paper, .72);
  font-weight: 500;
  font-size: 10px;
}
.footcrayon__star {
  display: inline-block;
  color: $crayon-yellow;
  margin-left: 4px;
  font-size: 20px;
  animation: starBlink $duration $easing infinite;
}
.footcrayon__star--a { animation-delay: 0ms; }
.footcrayon__star--b { animation-delay: 600ms; margin-left: $sp-1; }

// 데모: 작은 별 두 개가 서로 다른 박자로 반짝인다
@keyframes starBlink {
  0%, 100% { opacity: .15; transform: scale(.5); }
  50%      { opacity: 1; transform: scale(1.7); }
}

@media (max-width: 340px), (max-height: 220px) {
  .footcrayon__panel { grid-template-columns: repeat(3, 1fr); gap: $sp-1; padding: $sp-2; }
  .footcrayon__link { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .footcrayon__star { animation: none !important; opacity: 1; transform: none; }
}

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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #fff8ef;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.footcrayon {
  width: clamp(240px, 90vw, 360px);
}

.footcrayon__zigzag {
  height: 14px;
  background: #33261c;
  clip-path: polygon(0% 100%, 0% 30%, 6% 85%, 12% 15%, 18% 90%, 24% 20%, 30% 88%, 36% 12%, 42% 92%, 48% 18%, 54% 85%, 60% 22%, 66% 90%, 72% 15%, 78% 88%, 84% 20%, 90% 92%, 96% 14%, 100% 30%, 100% 100%);
}

.footcrayon__panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 16px 12px;
  background: #33261c;
}

.footcrayon__col {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-radius: 8px;
  padding: 8px;
}

.footcrayon__col--a {
  background: rgba(255, 225, 225, 0.18);
}

.footcrayon__col--b {
  background: rgba(255, 243, 204, 0.18);
}

.footcrayon__col--c {
  background: rgba(223, 240, 252, 0.18);
}

.footcrayon__head {
  margin: 0 0 4px;
  color: #fff8ef;
  font-weight: 700;
  font-size: 10px;
}

.footcrayon__link {
  margin: 0;
  color: rgba(255, 248, 239, 0.72);
  font-weight: 500;
  font-size: 9px;
}

.footcrayon__bottom {
  position: relative;
  grid-column: 1/-1;
  margin: 8px 0 0;
  text-align: center;
  color: rgba(255, 248, 239, 0.6);
  font-weight: 500;
  font-size: 10px;
}

.footcrayon__star {
  display: inline-block;
  color: #d1c5a2;
  margin-left: 4px;
  font-size: 20px;
  animation: starBlink 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.footcrayon__star--a {
  animation-delay: 0ms;
}

.footcrayon__star--b {
  animation-delay: 600ms;
  margin-left: 4px;
}

@keyframes starBlink {
  0%, 100% {
    opacity: 0.15;
    transform: scale(0.5);
  }
  50% {
    opacity: 1;
    transform: scale(1.7);
  }
}
@media (max-width: 340px), (max-height: 220px) {
  .footcrayon__panel {
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    padding: 8px;
  }
  .footcrayon__link {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .footcrayon__star {
    animation: none !important;
    opacity: 1;
    transform: none;
  }
}

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

export type FooterCrayonProps = {
  bottom?: string;
  duration?: number;
  easing?: string;
  color?: string;
};

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

export default function FooterCrayon({
  bottom = "크레용 · 오늘도 그림 한 장",
  duration = 2000,
  easing = "cubic-bezier(.2,.8,.2,1)",
  color = "#ffcd3c",
}: FooterCrayonProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <div className={styles.wrap} style={vars}>
      <div className={styles.zigzag} aria-hidden="true" />
      <footer className={styles.panel}>
        <div className={`${styles.col} ${styles.colA}`}>
          <p className={styles.head}>클래스</p>
          <p className={styles.link}>수업</p>
          <p className={styles.link}>자료</p>
        </div>
        <div className={`${styles.col} ${styles.colB}`}>
          <p className={styles.head}>브랜드</p>
          <p className={styles.link}>소개</p>
          <p className={styles.link}>문의</p>
        </div>
        <div className={`${styles.col} ${styles.colC}`}>
          <p className={styles.head}>도움</p>
          <p className={styles.link}>자주 묻는 질문</p>
          <p className={styles.link}>가이드</p>
        </div>
        <p className={styles.bottom}>
          {bottom}
          <span className={`${styles.star} ${styles.starA}`} aria-hidden="true">✦</span>
          <span className={`${styles.star} ${styles.starB}`} aria-hidden="true">✦</span>
        </p>
      </footer>
    </div>
  );
}