05Holographic highlighted plan

<main class="stage">
  <section class="pricing-c">
    <div class="pricing-c__plan">
      <p class="pricing-c__name">Free</p>
      <p class="pricing-c__price">₩0</p>
    </div>
    <div class="pricing-c__plan pricing-c__plan--pro">
      <span class="pricing-c__badge">Recommended</span>
      <p class="pricing-c__name">Pro</p>
      <p class="pricing-c__price">$15/mo</p>
    </div>
  </section>
</main>

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

$duration: $dur-loop;
$easing: linear;
$color: $subject-blue;

@include stage($stage-ink);

.pricing-c { display: flex; align-items: flex-end; gap: $sp-4; width: clamp(240px, 82vw, 380px); }
.pricing-c__plan {
  flex: 1;
  border-radius: $r-card;
  padding: $sp-5 $sp-4;
  background: rgba($stage-paper, .06);
  border: 1px solid rgba($stage-paper, .12);
}
.pricing-c__plan--pro {
  position: relative;
  overflow: hidden;
  flex: 1.15;
  padding-top: $sp-8;
  box-shadow: $shadow-raised;
}
// 추천 플랜만 다색 홀로그램 그라디언트가 배경 위치를 흐르며 이동한다 (유일한 애니메이션). 무료 플랜은 무광 회색 그대로
.pricing-c__plan--pro::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, $color, $stage-yellow, $stage-orange, $subject-cream, $color);
  background-size: 320% 100%;
  animation: holoShift $duration $easing infinite;
}
.pricing-c__badge {
  position: relative;
  z-index: 1;
  display: inline-block;
  margin-bottom: $sp-2;
  border-radius: $r-pill;
  background: rgba($stage-ink, .4);
  color: $stage-paper;
  padding: $sp-1 $sp-3;
  font-weight: 700;
  font-size: clamp(9.5px, 2.2vw, 11px);
  line-height: 1;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
}
.pricing-c__name {
  position: relative;
  z-index: 1;
  margin: 0 0 $sp-1;
  color: $stage-paper;
  font-weight: 700;
  font-size: clamp(12px, 3vw, 14px);
  line-height: 1.3;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
}
.pricing-c__price {
  position: relative;
  z-index: 1;
  margin: 0;
  color: rgba($stage-paper, .75);
  font-weight: 600;
  font-size: clamp(11px, 2.6vw, 12.5px);
  line-height: 1.3;
  font-family: inherit;
}
.pricing-c__plan--pro .pricing-c__name { color: $stage-ink; }
.pricing-c__plan--pro .pricing-c__price { color: rgba($stage-ink, .8); }

@keyframes holoShift { 0% { background-position: 0% 50%; } 100% { background-position: 320% 50%; } }

@media (prefers-reduced-motion: reduce) {
  .pricing-c__plan--pro::before { animation: 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);
}

.pricing-c {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  width: clamp(240px, 82vw, 380px);
}

.pricing-c__plan {
  flex: 1;
  border-radius: 16px;
  padding: 20px 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.pricing-c__plan--pro {
  position: relative;
  overflow: hidden;
  flex: 1.15;
  padding-top: 32px;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
}

.pricing-c__plan--pro::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, #2f6df6, #ffd23f, #ff4d1f, #fff7e6, #2f6df6);
  background-size: 320% 100%;
  animation: holoShift 2s linear infinite;
}

.pricing-c__badge {
  position: relative;
  z-index: 1;
  display: inline-block;
  margin-bottom: 8px;
  border-radius: 999px;
  background: rgba(23, 20, 26, 0.4);
  color: #ffffff;
  padding: 4px 12px;
  font-weight: 700;
  font-size: clamp(9.5px, 2.2vw, 11px);
  line-height: 1;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
}

.pricing-c__name {
  position: relative;
  z-index: 1;
  margin: 0 0 4px;
  color: #ffffff;
  font-weight: 700;
  font-size: clamp(12px, 3vw, 14px);
  line-height: 1.3;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
}

.pricing-c__price {
  position: relative;
  z-index: 1;
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 600;
  font-size: clamp(11px, 2.6vw, 12.5px);
  line-height: 1.3;
  font-family: inherit;
}

.pricing-c__plan--pro .pricing-c__name {
  color: #17141a;
}

.pricing-c__plan--pro .pricing-c__price {
  color: rgba(23, 20, 26, 0.8);
}

@keyframes holoShift {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 320% 50%;
  }
}
@media (prefers-reduced-motion: reduce) {
  .pricing-c__plan--pro::before {
    animation: none;
  }
}

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

export type PricingChromeProps = {
  freeName?: string;
  freePrice?: string;
  proName?: string;
  proPrice?: 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 PricingChrome({
  freeName = "Free",
  freePrice = "$0",
  proName = "Pro",
  proPrice = "$15/mo",
  badge = "Recommended",
  duration = 2000,
  easing = "linear",
  color = "#2f6df6",
}: PricingChromeProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <section className={styles.pricing} style={vars}>
      <div className={styles.plan}>
        <p className={styles.name}>{freeName}</p>
        <p className={styles.price}>{freePrice}</p>
      </div>
      <div className={`${styles.plan} ${styles.plaPro}`}>
        <span className={styles.badge}>{badge}</span>
        <p className={styles.name}>{proName}</p>
        <p className={styles.price}>{proPrice}</p>
      </div>
    </section>
  );
}