01Offset-shadow hero

<main class="stage">
  <section class="hero">
    <span class="hero__badge is-demo" aria-hidden="true">NEW</span>
    <div class="hero__card is-demo">
      <p class="hero__eyebrow">SLABKIT</p>
      <h1 class="hero__title is-demo" data-text="Nothing hidden, right from the start">Nothing hidden, right from the start</h1>
      <p class="hero__desc">We'll even show you the shadow.</p>
      <button class="hero__cta" type="button">Start now</button>
    </div>
  </section>
</main>

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

$duration: $dur-loop;       // 어긋남↔맞물림 한 주기
$easing: $ease-spring;      // 어긋나는 곡선
$color: $stage-yellow;      // 오프셋 복제 색

$border: 3px;

@include stage($stage-ink);

.hero {
  position: relative;
  width: clamp(260px, 84vw, 400px);
}
.hero__card {
  box-sizing: border-box;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: $sp-2;
  padding: $sp-4;
  border: $border solid $subject-ink;
  border-radius: 0;
  background: $subject-cream;
  box-shadow: $sp-2 $sp-2 0 $subject-ink;
}
.hero__badge {
  box-sizing: border-box;
  position: absolute;
  top: -$sp-3;
  right: -$sp-3;
  z-index: 2;
  border: $border solid $subject-ink;
  border-radius: 0;
  background: $stage-orange;
  color: $subject-ink;
  padding: $sp-1 $sp-3;
  font-weight: 800;
  font-size: clamp(10px, 2.4vw, 12px);
  letter-spacing: .04em;
  text-transform: uppercase;
  animation: badgeSnap $duration $easing infinite;
}
.hero__eyebrow {
  margin: 0;
  color: $subject-ink;
  opacity: .6;
  font-weight: 800;
  font-size: clamp(10px, 2.4vw, 11px);
  line-height: 1;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.hero__title {
  position: relative;
  margin: 0;
  color: $subject-ink;
  font-weight: 900;
  font-size: clamp(22px, 6vw, 30px);
  line-height: 1.1;
}
.hero__title::before {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 0;
  z-index: -1;
  color: $color;
  animation: ghostShift $duration $easing infinite;
}
.hero__desc {
  margin: 0;
  color: rgba($subject-ink, .72);
  font-weight: 600;
  font-size: clamp(12px, 2.8vw, 14px);
  line-height: 1.4;
}
.hero__cta {
  box-sizing: border-box;
  margin-top: $sp-1;
  border: $border solid $subject-ink;
  border-radius: $r-pill;
  background: $subject-ink;
  color: $subject-cream;
  padding: $sp-2 $sp-6;
  font-weight: 800;
  font-size: clamp(12px, 2.8vw, 14px);
  box-shadow: $sp-1 $sp-1 0 $color;
}

// 데모: 제목 뒤 복제본이 인쇄 밀림처럼 어긋났다 맞물리고, 배지는 비뚤게 있다가 탁 소리 나듯 편다
@keyframes ghostShift {
  0%, 100% { transform: translate($sp-1, $sp-1); }
  50%      { transform: translate(-$sp-1, -$sp-1); }
}
@keyframes badgeSnap {
  0%, 55%, 100% { transform: rotate(-10deg); }
  78%           { transform: rotate(4deg); }
  88%           { transform: rotate(0deg); }
}

@media (prefers-reduced-motion: reduce) {
  .hero__title::before, .hero__badge {
    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: #17141a;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.hero {
  position: relative;
  width: clamp(260px, 84vw, 400px);
}

.hero__card {
  box-sizing: border-box;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 16px;
  border: 3px solid #17141a;
  border-radius: 0;
  background: #fff7e6;
  box-shadow: 8px 8px 0 #17141a;
}

.hero__badge {
  box-sizing: border-box;
  position: absolute;
  top: -12px;
  right: -12px;
  z-index: 2;
  border: 3px solid #17141a;
  border-radius: 0;
  background: #ff4d1f;
  color: #17141a;
  padding: 4px 12px;
  font-weight: 800;
  font-size: clamp(10px, 2.4vw, 12px);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  animation: badgeSnap 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.hero__eyebrow {
  margin: 0;
  color: #17141a;
  opacity: 0.6;
  font-weight: 800;
  font-size: clamp(10px, 2.4vw, 11px);
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero__title {
  position: relative;
  margin: 0;
  color: #17141a;
  font-weight: 900;
  font-size: clamp(22px, 6vw, 30px);
  line-height: 1.1;
}

.hero__title::before {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 0;
  z-index: -1;
  color: #ffd23f;
  animation: ghostShift 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.hero__desc {
  margin: 0;
  color: rgba(23, 20, 26, 0.72);
  font-weight: 600;
  font-size: clamp(12px, 2.8vw, 14px);
  line-height: 1.4;
}

.hero__cta {
  box-sizing: border-box;
  margin-top: 4px;
  border: 3px solid #17141a;
  border-radius: 999px;
  background: #17141a;
  color: #fff7e6;
  padding: 8px 24px;
  font-weight: 800;
  font-size: clamp(12px, 2.8vw, 14px);
  box-shadow: 4px 4px 0 #ffd23f;
}

@keyframes ghostShift {
  0%, 100% {
    transform: translate(4px, 4px);
  }
  50% {
    transform: translate(-4px, -4px);
  }
}
@keyframes badgeSnap {
  0%, 55%, 100% {
    transform: rotate(-10deg);
  }
  78% {
    transform: rotate(4deg);
  }
  88% {
    transform: rotate(0deg);
  }
}
@media (prefers-reduced-motion: reduce) {
  .hero__title::before, .hero__badge {
    animation: none !important;
    transform: none;
  }
}

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

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

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

export default function HeroBrutalist({
  eyebrow = "SLABKIT",
  title = "숨김 없는 시작",
  desc = "그림자까지 그대로 보여줄게요",
  cta = "지금 시작하기",
  badge = "NEW",
  duration = 2000,
  easing = "cubic-bezier(.2,.8,.2,1)",
  color = "#ffd23f",
}: HeroBrutalistProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <section className={styles.hero} style={vars}>
      <span className={styles.badge} aria-hidden="true">{badge}</span>
      <div className={styles.card}>
        <p className={styles.eyebrow}>{eyebrow}</p>
        <h1 className={styles.title} data-text={title}>{title}</h1>
        <p className={styles.desc}>{desc}</p>
        <button type="button" className={styles.cta}>{cta}</button>
      </div>
    </section>
  );
}