09Footer showcase

<main class="stage">
  <footer class="pf2">
    <div class="pf2__top">
      <p class="pf2__heading">Nhận tin dự án mới qua email</p>
      <form class="pf2__form" novalidate>
        <input class="pf2__input" type="email" placeholder="[email protected]" aria-label="Email">
        <button class="pf2__submit" type="submit">
          <span class="pf2__submit-label">Đăng ký</span>
          <svg class="pf2__check" viewBox="0 0 20 20" aria-hidden="true"><polyline points="4,10 8,14 16,5"/></svg>
        </button>
      </form>
      <p class="pf2__status" role="status" aria-live="polite"></p>
    </div>
    <div class="pf2__cols">
      <div class="pf2__col"><p class="pf2__col-title">Showcase</p><a href="#">Dự án</a><a href="#">CV</a></div>
      <div class="pf2__col"><p class="pf2__col-title">Liên hệ</p><a href="#">Email</a><a href="#">Form liên hệ</a></div>
      <div class="pf2__col"><p class="pf2__col-title">Theo dõi</p><a href="#">GitHub</a><a href="#">LinkedIn</a></div>
    </div>
  </footer>
</main>

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

// ── 변수 3개 ──────────────────────────────────────────
$duration: $dur-base;                             // 구독 버튼·체크 전환
$easing: $ease-pop;
$color: $subject-blue;                            // 구독 버튼 색

@include stage($stage-ink);

.pf2 { width: min(420px, 95vw); }
.pf2__heading { margin: 0 0 $sp-2; font-weight: 700; font-size: clamp(11px, 3.2vw, 12px); line-height: 1.4; font-family: inherit; color: $subject-cream; }

.pf2__form { display: flex; gap: $sp-1; }
.pf2__input {
  flex: 1 1 auto;
  box-sizing: border-box;
  padding: $sp-1 $sp-2;
  border-radius: $r-sm;
  border: 1px solid rgba(255, 247, 230, .28);
  background: rgba(255, 247, 230, .06);
  color: $subject-cream;
  font-weight: 500; font-size: 11px; line-height: 1.6; font-family: inherit;
}
.pf2__input.is-shake { animation: pf2-shake $dur-quick $easing; }
@keyframes pf2-shake {
  0%, 100% { transform: translateX(0); }
  25%      { transform: translateX(-6px); }
  75%      { transform: translateX(6px); }
}

.pf2__submit {
  position: relative;
  flex: 0 0 auto;
  display: inline-flex; align-items: center; gap: 4px;
  padding: $sp-1 $sp-3;
  border: 0;
  border-radius: $r-sm;
  background: $subject-blue-deep;
  color: $subject-cream;
  font-weight: 700; font-size: 11px; line-height: 1.6; font-family: inherit;
  cursor: pointer;
  animation: pf2-glow 2s $easing infinite;
}
@keyframes pf2-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(47, 109, 246, .45); }
  50%      { box-shadow: 0 0 0 6px rgba(47, 109, 246, 0); }
}
.pf2__check {
  width: 11px; height: 11px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 18;
  stroke-dashoffset: 18;
  transition: stroke-dashoffset $duration $easing;
}
.pf2__form.is-done .pf2__check { stroke-dashoffset: 0; }

.pf2__status { min-height: 14px; margin: $sp-1 0 0; font-weight: 600; font-size: 9px; line-height: 1.4; font-family: inherit; color: rgba(255, 247, 230, .6); }

.pf2__cols { display: flex; gap: $sp-5; margin-top: $sp-4; flex-wrap: wrap; }
.pf2__col { display: flex; flex-direction: column; gap: 4px; }
.pf2__col-title { margin: 0 0 $sp-1; font-weight: 700; font-size: 9px; line-height: 1.3; font-family: inherit; letter-spacing: .08em; color: rgba($subject-cream, .72); }               // 잉크 면 위 9.18:1
.pf2__col a { font-weight: 500; font-size: 10px; line-height: 1.6; font-family: inherit; color: rgba(255, 247, 230, .75); text-decoration: none; }

// ── 반응형(BD9) ──────────────────────────────────────────
@media (max-width: 340px), (max-height: 220px) {
  .pf2__cols { display: none; }
  .pf2__heading { margin-bottom: $sp-1; }
}

// ── 접근성 ──────────────────────────────────────────
@media (prefers-reduced-motion: reduce) {
  .pf2__input.is-shake { animation: none !important; }
  .pf2__submit { animation: none !important; }
  .pf2__check { transition: 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);
}

.pf2 {
  width: min(420px, 95vw);
}

.pf2__heading {
  margin: 0 0 8px;
  font-weight: 700;
  font-size: clamp(11px, 3.2vw, 12px);
  line-height: 1.4;
  font-family: inherit;
  color: #fff7e6;
}

.pf2__form {
  display: flex;
  gap: 4px;
}

.pf2__input {
  flex: 1 1 auto;
  box-sizing: border-box;
  padding: 4px 8px;
  border-radius: 8px;
  border: 1px solid rgba(255, 247, 230, 0.28);
  background: rgba(255, 247, 230, 0.06);
  color: #fff7e6;
  font-weight: 500;
  font-size: 11px;
  line-height: 1.6;
  font-family: inherit;
}

.pf2__input.is-shake {
  animation: pf2-shake 220ms cubic-bezier(0.2, 1.4, 0.4, 1);
}

@keyframes pf2-shake {
  0%, 100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-6px);
  }
  75% {
    transform: translateX(6px);
  }
}
.pf2__submit {
  position: relative;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border: 0;
  border-radius: 8px;
  background: #0a4fe8;
  color: #fff7e6;
  font-weight: 700;
  font-size: 11px;
  line-height: 1.6;
  font-family: inherit;
  cursor: pointer;
  animation: pf2-glow 2s cubic-bezier(0.2, 1.4, 0.4, 1) infinite;
}

@keyframes pf2-glow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(47, 109, 246, 0.45);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(47, 109, 246, 0);
  }
}
.pf2__check {
  width: 11px;
  height: 11px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 18;
  stroke-dashoffset: 18;
  transition: stroke-dashoffset 300ms cubic-bezier(0.2, 1.4, 0.4, 1);
}

.pf2__form.is-done .pf2__check {
  stroke-dashoffset: 0;
}

.pf2__status {
  min-height: 14px;
  margin: 4px 0 0;
  font-weight: 600;
  font-size: 9px;
  line-height: 1.4;
  font-family: inherit;
  color: rgba(255, 247, 230, 0.6);
}

.pf2__cols {
  display: flex;
  gap: 20px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.pf2__col {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pf2__col-title {
  margin: 0 0 4px;
  font-weight: 700;
  font-size: 9px;
  line-height: 1.3;
  font-family: inherit;
  letter-spacing: 0.08em;
  color: rgba(255, 247, 230, 0.72);
}

.pf2__col a {
  font-weight: 500;
  font-size: 10px;
  line-height: 1.6;
  font-family: inherit;
  color: rgba(255, 247, 230, 0.75);
  text-decoration: none;
}

@media (max-width: 340px), (max-height: 220px) {
  .pf2__cols {
    display: none;
  }
  .pf2__heading {
    margin-bottom: 4px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .pf2__input.is-shake {
    animation: none !important;
  }
  .pf2__submit {
    animation: none !important;
  }
  .pf2__check {
    transition: none;
  }
}

// 실제 동작: 제출 시 실제로 Email 형식을 검사한다. 통과하면 체크가 그려지고, 틀리면 입력칸이 흔들린다.
var form = document.querySelector('.pf2__form');
var input = document.querySelector('.pf2__input');
var status = document.querySelector('.pf2__status');
form.addEventListener('submit', function (e) {
  e.preventDefault();
  var ok = /^\S+@\S+\.\S+$/.test(input.value);
  if (ok) {
    form.classList.add('is-done');
    status.textContent = 'Đã đăng ký — dự án mới sẽ gửi qua email.';
  } else {
    input.classList.remove('is-shake');
    void input.offsetWidth;
    input.classList.add('is-shake');
    status.textContent = 'Vui lòng nhập email hợp lệ.';
  }
});

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

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

export default function ProjectFooter({ duration = 300, easing = "cubic-bezier(.2,1.4,.4,1)", color = "#0a4fe8" }: ProjectFooterProps) {
  const [email, setEmail] = useState("");
  const [done, setDone] = useState(false);
  const [shake, setShake] = useState(false);
  const [status, setStatus] = useState("");
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  // 실제 동작: 제출 시 실제로 이메일 형식을 검사한다. 통과하면 체크가 그려지고, 틀리면 입력칸이 흔들린다.
  function onSubmit(e: any) {
    e.preventDefault();
    if (/^\S+@\S+\.\S+$/.test(email)) {
      setDone(true);
      setStatus("구독 완료 — 새 프로젝트를 메일로 보내드립니다.");
    } else {
      setShake(false);
      requestAnimationFrame(() => setShake(true));
      setStatus("올바른 이메일을 입력해 주세요.");
    }
  }

  return (
    <footer className={styles.pf} style={vars}>
      <div className={styles.top}>
        <p className={styles.heading}>새 프로젝트 소식을 메일로 받아보세요</p>
        <form className={`${styles.form} ${done ? styles.done : ""}`} noValidate onSubmit={onSubmit}>
          <input
            className={`${styles.input} ${shake ? styles.shake : ""}`}
            type="email"
            placeholder="[email protected]"
            aria-label="이메일"
            value={email}
            onChange={(e: any) => setEmail(e.target.value)}
            onAnimationEnd={() => setShake(false)}
          />
          <button type="submit" className={styles.submit}>
            <span>구독</span>
            <svg className={styles.check} viewBox="0 0 20 20" aria-hidden="true"><polyline points="4,10 8,14 16,5" /></svg>
          </button>
        </form>
        <p className={styles.status} role="status" aria-live="polite">{status}</p>
      </div>
      <div className={styles.cols}>
        <div className={styles.col}><p className={styles.colTitle}>쇼케이스</p><a href="#">프로젝트</a><a href="#">이력서</a></div>
        <div className={styles.col}><p className={styles.colTitle}>연락</p><a href="#">이메일</a><a href="#">문의 폼</a></div>
        <div className={styles.col}><p className={styles.colTitle}>팔로우</p><a href="#">깃허브</a><a href="#">링크드인</a></div>
      </div>
    </footer>
  );
}