07Zigzag divider

<main class="stage">
  <section class="zzm">
    <header class="zzm__sec zzm__sec--top">
      <p class="zzm__kicker">Upper section</p>
      <h2 class="zzm__head">Where the lemon background ends</h2>
    </header>
    <div class="zzm__zip" aria-hidden="true">
      <span class="zzm__teeth zzm__teeth--down"></span>
      <span class="zzm__teeth zzm__teeth--up"></span>
      <span class="zzm__chip">Boundary</span>
    </div>
    <footer class="zzm__sec zzm__sec--bottom">
      <h2 class="zzm__head">Where the mint background starts</h2>
      <p class="zzm__kicker">Lower section</p>
    </footer>
  </section>
</main>

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

// 멤피스 팔레트 — 01 과 같은 값
$mem-base:  #fdf4ec;
$mem-sheet: #ffffff;
$mem-ink:   #241f26;
$mem-stone: #5d5560;
$mem-coral: #d5aea9;
$mem-lemon: #cec29c;
$mem-sky:   #82adc2;
$mem-mint:  #71b9ab;
$mem-pink:  #ebd6db;

$tile: 16px;              // 톱니 하나의 폭 — 두 줄이 같아야 맞물린다

$duration: $dur-loop;     // 톱니가 타일 두 칸만큼 흐르는 주기
$easing: linear;          // 맞물림은 일정 속도로 흘러야 쉬지 않고 물려 있다
$color: $mem-lemon;       // 윗 섹션 색

@include stage($mem-base);

.zzm {
  box-sizing: border-box;
  width: clamp(280px, 92vw, 448px);
  border: 3px solid $mem-ink;
  border-radius: $r-card;
  overflow: hidden;
  box-shadow: 0 6px 0 $mem-ink;
}

.zzm__sec {
  box-sizing: border-box;
  padding: $sp-4 $sp-5;
}
.zzm__sec--top { background: $mem-lemon; }
.zzm__sec--bottom { background: $mem-mint; }

.zzm__kicker {
  margin: 0 0 $sp-1;
  color: $mem-ink;
  font-weight: 700; font-size: clamp(9px, 2.2vw, 10.5px); line-height: 1;
  font-family: inherit;
  letter-spacing: .14em;
}
.zzm__head {
  margin: 0;
  color: $mem-ink;
  font-weight: 800; font-size: clamp(13px, 3vw, 16px); line-height: 1.3;
  font-family: inherit;
}

// 지퍼 띠 — 높이 32px(톱니 16 + 겹침 16). 두 줄이 반대 방향으로 흘러 맞물린다
.zzm__zip {
  position: relative;
  height: 32px;
  background: $mem-base;   // 맞물림 사이로 보이는 바탕
}
.zzm__teeth {
  position: absolute;
  top: 0;
  left: 0;
  width: 200%;
  height: 32px;
}
// 윗 색의 이 — 아래로 뻗는 쐐기(꼭짓점이 타일 아래쪽 변). 타일 16px
.zzm__teeth--down {
  background: conic-gradient(from 315deg at 50% 100%, $mem-lemon 0 90deg, transparent 90deg 360deg);
  background-size: $tile $tile;
  background-repeat: repeat-x;
  animation: teethFlow $duration $easing infinite;
}
// 아랫 색의 이 — 위로 뻗되 타일 절반(8px) 옆으로 밀려 옆 이와 빈틈없이 물린다
.zzm__teeth--up {
  top: 16px;
  background: conic-gradient(from 135deg at 50% 0%, $mem-mint 0 90deg, transparent 90deg 360deg);
  background-size: $tile $tile;
  background-repeat: repeat-x;
  background-position: 8px 0;
  animation: teethFlow $duration $easing infinite reverse;   // reverse = 반대 방향
}

// 가운데 알약 — 경계임을 알리는 표식(정지)
.zzm__chip {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: $sp-1 $sp-3;
  border-radius: $r-pill;
  background: $mem-sheet;
  border: 3px solid $mem-ink;
  color: $mem-ink;
  font-weight: 800; font-size: 11px; line-height: 1;
  font-family: inherit;
}

// 타일 두 칸(32px)만큼 흐른 뒤 처음과 같은 무늬 — 이동 거리가 주기의 배수라 텔레포트가 없다
@keyframes teethFlow {
  from { transform: translateX(0); }
  to   { transform: translateX(-2 * $tile); }
}

@media (max-width: 340px), (max-height: 220px) {
  .zzm { width: 244px; }
  .zzm__sec { padding: $sp-3 $sp-4; }
  .zzm__head { font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .zzm__teeth { 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: #fdf4ec;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.zzm {
  box-sizing: border-box;
  width: clamp(280px, 92vw, 448px);
  border: 3px solid #241f26;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 6px 0 #241f26;
}

.zzm__sec {
  box-sizing: border-box;
  padding: 16px 20px;
}

.zzm__sec--top {
  background: #cec29c;
}

.zzm__sec--bottom {
  background: #71b9ab;
}

.zzm__kicker {
  margin: 0 0 4px;
  color: #241f26;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10.5px);
  line-height: 1;
  font-family: inherit;
  letter-spacing: 0.14em;
}

.zzm__head {
  margin: 0;
  color: #241f26;
  font-weight: 800;
  font-size: clamp(13px, 3vw, 16px);
  line-height: 1.3;
  font-family: inherit;
}

.zzm__zip {
  position: relative;
  height: 32px;
  background: #fdf4ec;
}

.zzm__teeth {
  position: absolute;
  top: 0;
  left: 0;
  width: 200%;
  height: 32px;
}

.zzm__teeth--down {
  background: conic-gradient(from 315deg at 50% 100%, #cec29c 0 90deg, transparent 90deg 360deg);
  background-size: 16px 16px;
  background-repeat: repeat-x;
  animation: teethFlow 2s linear infinite;
}

.zzm__teeth--up {
  top: 16px;
  background: conic-gradient(from 135deg at 50% 0%, #71b9ab 0 90deg, transparent 90deg 360deg);
  background-size: 16px 16px;
  background-repeat: repeat-x;
  background-position: 8px 0;
  animation: teethFlow 2s linear infinite reverse;
}

.zzm__chip {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 4px 12px;
  border-radius: 999px;
  background: #ffffff;
  border: 3px solid #241f26;
  color: #241f26;
  font-weight: 800;
  font-size: 11px;
  line-height: 1;
  font-family: inherit;
}

@keyframes teethFlow {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-32px);
  }
}
@media (max-width: 340px), (max-height: 220px) {
  .zzm {
    width: 244px;
  }
  .zzm__sec {
    padding: 12px 16px;
  }
  .zzm__head {
    font-size: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .zzm__teeth {
    animation: none !important;
    transform: none;
  }
}

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

export type ZigzagDividerMemphisProps = {
  topKicker?: string;
  topHead?: string;
  bottomHead?: string;
  bottomKicker?: string;
  chip?: string;
  /** 한 주기(기본 2000ms) */
  duration?: number;
  easing?: string;
  /** 윗 섹션 색(데모 기준값 — 톱니 색은 고정) */
  color?: string;
};

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

export default function ZigzagDividerMemphis({
  topKicker = "윗 섹션",
  topHead = "레몬 배경이 끝나는 자리",
  bottomHead = "민트 배경이 시작되는 자리",
  bottomKicker = "아래 섹션",
  chip = "경계",
  duration = 2000,
  easing = "linear",
  color = "#ffcf33",
}: ZigzagDividerMemphisProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <section className={styles.zzm} style={vars}>
      <header className={`${styles.sec} ${styles.secTop}`}>
        <p className={styles.kicker}>{topKicker}</p>
        <h2 className={styles.head}>{topHead}</h2>
      </header>
      <div className={styles.zip} aria-hidden="true">
        <span className={`${styles.teeth} ${styles.teethDown}`} />
        <span className={`${styles.teeth} ${styles.teethUp}`} />
        <span className={styles.chip}>{chip}</span>
      </div>
      <footer className={`${styles.sec} ${styles.secBottom}`}>
        <h2 className={styles.head}>{bottomHead}</h2>
        <p className={styles.kicker}>{bottomKicker}</p>
      </footer>
    </section>
  );
}