06技術スタックタグクラウド

<main class="stage is-demo">
  <ul class="cloud" aria-label="技術スタック">
    <li style="--i:0">CSS</li>
    <li style="--i:1">React</li>
    <li style="--i:2">TypeScript</li>
    <li style="--i:3">SCSS</li>
    <li style="--i:4">Figma</li>
    <li style="--i:5">Node</li>
  </ul>
</main>

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

// ── 변수 3개 ──────────────────────────────────────────
$duration: $dur-loop;   // 2s — 등장→유지→퇴장 한 주기
$easing: $ease-out;
$color: $subject-sky;

@include stage($stage-ink);

.cloud {
  display: flex; flex-wrap: wrap; gap: $sp-2;
  margin: 0; padding: 0; list-style: none;
  max-width: 260px;
  justify-content: center;
}

.cloud li {
  padding: $sp-1 $sp-3;
  border-radius: $r-pill;
  background: rgba($color, .14);
  border: 1px solid rgba($color, .4);
  color: #fff;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  font-weight: 600;
  font-size: 12px;
  transform: translateY(10px);
  opacity: 0;
}

.cloud li:nth-child(1) { background: rgba($subject-sky, .14); border-color: rgba($subject-sky, .4); }
.cloud li:nth-child(2) { background: rgba($subject-lilac, .14); border-color: rgba($subject-lilac, .4); }
.cloud li:nth-child(3) { background: rgba($subject-mint, .14); border-color: rgba($subject-mint, .4); }
.cloud li:nth-child(4) { background: rgba($subject-pink, .14); border-color: rgba($subject-pink, .4); }
.cloud li:nth-child(5) { background: rgba($subject-sky, .14); border-color: rgba($subject-sky, .4); }
.cloud li:nth-child(6) { background: rgba($subject-lilac, .14); border-color: rgba($subject-lilac, .4); }

.stage.is-demo .cloud li {
  animation: rise $duration $easing infinite;
  animation-delay: calc(var(--i) * 90ms);
}

@keyframes rise {
  0% { opacity: 0; transform: translateY(10px); }
  22%, 70% { opacity: 1; transform: translateY(0); }
  92%, 100% { opacity: 0; transform: translateY(-6px); }
}

// ── 한 겹: 안착(22%) 순간 테두리 색 전이 ──────────────────
// rise 와 같은 주기·같은 delay(var(--i)) — li 색그룹별 밝은 파스텔로 잠깐 밝아졌다 안정 색으로
.cloud li { --glow: mix(#fff, $color, 40%); --glow-base: rgba($color, .4); }
.cloud li:nth-child(2), .cloud li:nth-child(6) { --glow: mix(#fff, $subject-lilac, 40%); --glow-base: rgba($subject-lilac, .4); }
.cloud li:nth-child(3) { --glow: mix(#fff, $subject-mint, 40%); --glow-base: rgba($subject-mint, .4); }
.cloud li:nth-child(4) { --glow: mix(#fff, $subject-pink, 40%); --glow-base: rgba($subject-pink, .4); }

.stage.is-demo .cloud li {
  animation: rise $duration $easing infinite, border-glow $duration $easing infinite;
  animation-delay: calc(var(--i) * 90ms);
}

@keyframes border-glow {
  0% { border-color: var(--glow-base); }
  22% { border-color: var(--glow); }
  46%, 100% { border-color: var(--glow-base); }
}

@media (prefers-reduced-motion: reduce) {
  // border-glow 도 animation: none 으로 함께 꺼진다 (rise 와 같은 선언)
  .stage.is-demo .cloud li { animation: none; 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: #17141a;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: 260px;
  justify-content: center;
}

.cloud li {
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(110, 200, 255, 0.14);
  border: 1px solid rgba(110, 200, 255, 0.4);
  color: #fff;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  font-weight: 600;
  font-size: 12px;
  transform: translateY(10px);
  opacity: 0;
}

.cloud li:nth-child(1) {
  background: rgba(110, 200, 255, 0.14);
  border-color: rgba(110, 200, 255, 0.4);
}

.cloud li:nth-child(2) {
  background: rgba(185, 160, 255, 0.14);
  border-color: rgba(185, 160, 255, 0.4);
}

.cloud li:nth-child(3) {
  background: rgba(76, 212, 166, 0.14);
  border-color: rgba(76, 212, 166, 0.4);
}

.cloud li:nth-child(4) {
  background: rgba(255, 158, 187, 0.14);
  border-color: rgba(255, 158, 187, 0.4);
}

.cloud li:nth-child(5) {
  background: rgba(110, 200, 255, 0.14);
  border-color: rgba(110, 200, 255, 0.4);
}

.cloud li:nth-child(6) {
  background: rgba(185, 160, 255, 0.14);
  border-color: rgba(185, 160, 255, 0.4);
}

.stage.is-demo .cloud li {
  animation: rise 2s ease-out infinite;
  animation-delay: calc(var(--i) * 90ms);
}

@keyframes rise {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }
  22%, 70% {
    opacity: 1;
    transform: translateY(0);
  }
  92%, 100% {
    opacity: 0;
    transform: translateY(-6px);
  }
}
.cloud li {
  --glow: mix(#fff, $color, 40%);
  --glow-base: rgba($color, .4);
}

.cloud li:nth-child(2), .cloud li:nth-child(6) {
  --glow: mix(#fff, $subject-lilac, 40%);
  --glow-base: rgba($subject-lilac, .4);
}

.cloud li:nth-child(3) {
  --glow: mix(#fff, $subject-mint, 40%);
  --glow-base: rgba($subject-mint, .4);
}

.cloud li:nth-child(4) {
  --glow: mix(#fff, $subject-pink, 40%);
  --glow-base: rgba($subject-pink, .4);
}

.stage.is-demo .cloud li {
  animation: rise 2s ease-out infinite, border-glow 2s ease-out infinite;
  animation-delay: calc(var(--i) * 90ms);
}

@keyframes border-glow {
  0% {
    border-color: var(--glow-base);
  }
  22% {
    border-color: var(--glow);
  }
  46%, 100% {
    border-color: var(--glow-base);
  }
}
@media (prefers-reduced-motion: reduce) {
  .stage.is-demo .cloud li {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

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

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

const TAGS = ["CSS", "React", "TypeScript", "SCSS", "Figma", "Node"];

export default function TechStackTagCloud({
  duration = 2000,
  easing = "ease-out",
  color = "#6ec8ff",
}: TechStackTagCloudProps) {
  const vars: CSSProperties = { "--duration": `${duration}ms`, "--easing": easing, "--color": color } as CSSProperties;
  return (
    <ul className={styles.cloud} style={vars} aria-label="tech stack">
      {TAGS.map((tag, i) => (
        <li key={tag} style={{ animationDelay: `${i * 90}ms` }}>{tag}</li>
      ))}
    </ul>
  );
}