---
layout: default
title: Home
---
<style>
.hero {
  min-height: 100svh;
  display: grid;
  grid-template-rows: 1fr auto;
  background: var(--green-dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 30%, rgba(29,158,117,0.25) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(29,158,117,0.12) 0%, transparent 50%);
}
.hero-grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-body {
  position: relative; z-index: 10;
  display: flex; flex-direction: column; justify-content: center;
  padding: 3rem 1.5rem 2rem;
  max-width: 1000px; margin: 0 auto; width: 100%;
}
.hero-logo { width: 80px; height: auto; margin-bottom: 1.5rem; opacity: 0.95; }
.hero-label {
  font-size: 0.68rem; font-weight: 500; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--green-light);
  margin-bottom: 1.25rem; display: flex; align-items: center; gap: 10px;
}
.hero-label::before { content: ''; display: block; width: 24px; height: 1px; background: var(--green-light); }
.hero-title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.2rem, 8vw, 5rem);
  line-height: 1.1; letter-spacing: -0.01em; color: #fff; margin-bottom: 1rem;
}
.hero-title em { font-style: italic; color: var(--green-light); }
.hero-tagline {
  font-size: 0.9rem; color: rgba(255,255,255,0.65);
  margin-bottom: 2rem; line-height: 1.8;
  border-left: 2px solid var(--green); padding-left: 1rem;
  max-width: 460px;
}
.hero-btns { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.hero-cta {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 1rem 1.5rem; background: var(--green); color: #fff;
  border-radius: 999px; text-decoration: none;
  font-size: 0.95rem; font-weight: 500; min-height: 52px;
  -webkit-tap-highlight-color: transparent; border: none; cursor: pointer;
  font-family: inherit;
}
.hero-cta.outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.85);
}
.hero-cta svg { width: 16px; height: 16px; }
.hero-footer {
  position: relative; z-index: 10;
  padding: 1.25rem 1.5rem;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1rem; border-top: 1px solid rgba(255,255,255,0.08);
}
.hero-stat .s-label { font-size: 0.65rem; color: rgba(255,255,255,0.4); letter-spacing: 0.08em; text-transform: uppercase; }
.hero-stat .s-val { font-size: 0.82rem; color: rgba(255,255,255,0.85); font-weight: 500; margin-top: 3px; }

.home-section { padding: 3.5rem 1.5rem; }
.home-section-inner { max-width: 1000px; margin: 0 auto; }
.cream { background: var(--cream); }

.research-cards {
  display: grid; grid-template-columns: 1fr;
  gap: 1px; background: var(--border);
  border: 1px solid var(--border); border-radius: 16px; overflow: hidden;
}
.r-card { background: var(--warm-white); padding: 1.5rem; }
.r-num { font-size: 0.62rem; font-weight: 600; letter-spacing: 0.14em; color: var(--green); text-transform: uppercase; margin-bottom: 0.5rem; }
.r-card h3 { font-size: 1rem; font-weight: 600; color: var(--green-dark); margin-bottom: 1rem; line-height: 1.4; }
.r-items { list-style: none; }
.r-items li { font-size: 0.85rem; color: var(--text-muted); padding: 0.5rem 0 0.5rem 1rem; position: relative; border-bottom: 1px solid var(--border); line-height: 1.6; }
.r-items li:last-child { border-bottom: none; }
.r-items li::before { content: ''; position: absolute; left: 0; top: 0.95rem; width: 4px; height: 4px; border-radius: 50%; background: var(--green); }

.news-grid { display: grid; gap: 0.75rem; }
.news-card {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1rem 1.25rem; background: #fff;
  border: 1px solid var(--border); border-radius: 12px;
  text-decoration: none; color: inherit;
  transition: border-color 0.2s, transform 0.15s;
}
.news-card:hover { border-color: var(--green-light); transform: translateY(-2px); }
.news-date { font-size: 0.72rem; color: var(--text-muted); white-space: nowrap; margin-top: 2px; min-width: 80px; }
.news-title { font-size: 0.88rem; font-weight: 500; color: var(--text); line-height: 1.5; }
.news-cat {
  display: inline-block; font-size: 0.62rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 2px 8px; border-radius: 999px;
  background: var(--green-pale); color: var(--green-mid); margin-bottom: 0.3rem;
}

.members-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
.member-card {
  display: flex; gap: 0.75rem; align-items: center;
  padding: 1rem; background: #fff;
  border: 1px solid var(--border); border-radius: 12px;
  text-decoration: none; color: inherit; transition: border-color 0.2s;
}
.member-card:hover { border-color: var(--green-light); }
.member-avatar {
  width: 44px; height: 44px; border-radius: 8px;
  background: var(--green-pale); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: 'DM Serif Display', serif; font-size: 1.1rem; color: var(--green-mid);
  overflow: hidden;
}
.member-avatar img { width: 100%; height: 100%; object-fit: cover; }
.member-card-name { font-size: 0.88rem; font-weight: 600; color: var(--text); }
.member-card-role { font-size: 0.72rem; color: var(--text-muted); margin-top: 1px; }

.more-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.82rem; font-weight: 500; color: var(--green-mid);
  text-decoration: none; margin-top: 1.25rem;
}
.more-link:hover { color: var(--green); }

/* ── 협약업체 ── */
.partners-grid { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
.partner-card {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.75rem; padding: 1.5rem 2rem;
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  text-decoration: none; color: inherit;
  transition: border-color 0.2s, transform 0.15s;
  min-width: 160px; flex: 1;
}
.partner-card:hover { border-color: var(--green-light); transform: translateY(-2px); }
.partner-logo { max-height: 48px; max-width: 140px; object-fit: contain; }
.partner-name { font-size: 0.78rem; color: var(--text-muted); text-align: center; }

/* ── 팝업 ── */
.popup-overlay {
  display: none; position: fixed; inset: 0; z-index: 1000;
  background: rgba(10,61,46,0.6);
  align-items: center; justify-content: center;
  padding: 1.5rem;
  backdrop-filter: blur(4px);
}
.popup-overlay.open { display: flex; }
.popup-box {
  background: var(--warm-white); border-radius: 20px;
  max-width: 520px; width: 100%; overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,0.2);
  animation: popIn 0.3s ease;
}
@keyframes popIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.popup-header {
  background: var(--green-dark); padding: 1.5rem 1.5rem 1.25rem;
  position: relative;
}
.popup-badge { font-size: 0.65rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--green-light); margin-bottom: 0.5rem; }
.popup-title { font-family: 'DM Serif Display', serif; font-size: 1.5rem; color: #fff; line-height: 1.3; }
.popup-close {
  position: absolute; top: 1rem; right: 1rem;
  background: rgba(255,255,255,0.1); border: none; cursor: pointer;
  color: #fff; width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
}
.popup-body { padding: 1.5rem; }
.popup-quote {
  font-size: 0.88rem; color: var(--green-mid); font-style: italic;
  border-left: 2px solid var(--green); padding-left: 0.75rem;
  margin-bottom: 1.25rem; line-height: 1.7;
}
.popup-info { display: grid; gap: 0; margin-bottom: 1.25rem; }
.popup-row {
  display: flex; gap: 0.75rem; font-size: 0.85rem;
  padding: 0.5rem 0; border-bottom: 1px solid var(--border);
}
.popup-row:last-child { border-bottom: none; }
.popup-label { color: var(--text-muted); min-width: 72px; flex-shrink: 0; }
.popup-val { color: var(--text); }
.popup-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.popup-btn {
  display: flex; align-items: center; justify-content: center;
  padding: 0.85rem; border-radius: 10px; font-size: 0.88rem; font-weight: 500;
  text-decoration: none; border: none; cursor: pointer; font-family: inherit;
}
.popup-btn.primary { background: var(--green); color: #fff; }
.popup-btn.secondary { background: var(--green-pale); color: var(--green-mid); }
.popup-no-show {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.75rem; color: var(--text-muted);
  margin-top: 1rem; cursor: pointer; justify-content: center;
}

.cta-section { background: var(--green); padding: 3rem 1.5rem; text-align: center; }
.cta-section p { font-size: 0.9rem; color: rgba(255,255,255,0.85); margin: 0 auto 1.75rem; line-height: 1.8; }
.cta-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 1rem 2rem; background: #fff; color: var(--green-mid);
  border-radius: 999px; text-decoration: none; font-size: 0.95rem; font-weight: 600;
  min-height: 52px; border: none; cursor: pointer; font-family: inherit;
}

.fade-up { opacity: 0; transform: translateY(20px); transition: opacity 0.55s ease, transform 0.55s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

@media (min-width: 680px) {
  .hero-body { padding: 5rem 3rem; }
  .hero-logo { width: 100px; }
  .hero-cta { width: fit-content; }
  .hero-footer { grid-template-columns: repeat(3, auto); padding: 1.5rem 3rem; gap: 2.5rem; }
  .home-section { padding: 5rem 3rem; }
  .research-cards { grid-template-columns: 1fr 1fr; }
  .r-card { padding: 2rem; }
  .members-row { grid-template-columns: repeat(4, 1fr); }
  .cta-section { padding: 4rem 3rem; }
}
</style>

<!-- 학부연구생 모집 팝업 -->
<div class="popup-overlay" id="recruitPopup">
  <div class="popup-box">
    <div class="popup-header">
      <button class="popup-close" onclick="closePopup()">✕</button>
      <div class="popup-badge">2026 학부연구생 모집</div>
      <div class="popup-title">SEMLab과 함께<br>미래를 설계하세요</div>
    </div>
    <div class="popup-body">
      <div class="popup-quote">"좋은 태도는 좋은 연구의 시작입니다."</div>
      <div class="popup-info">
        <div class="popup-row"><span class="popup-label">지원 대상</span><span class="popup-val">본교 학부생 (2학년 이상 권장)</span></div>
        <div class="popup-row"><span class="popup-label">모집 인원</span><span class="popup-val">0명</span></div>
        <div class="popup-row"><span class="popup-label">지원 방법</span><span class="popup-val">2668602@pcu.ac.kr 이메일 또는 방문 상담</span></div>
        <div class="popup-row"><span class="popup-label">위치</span><span class="popup-val">자연과학관 J105호</span></div>
      </div>
      <div class="popup-btns">
        <a href="mailto:2668602@pcu.ac.kr" class="popup-btn primary">이메일로 지원하기</a>
        <button class="popup-btn secondary" onclick="closePopup()">나중에 보기</button>
      </div>
      <label class="popup-no-show">
        <input type="checkbox" id="noShowCheck" onchange="handleNoShow()">
        오늘 하루 보지 않기
      </label>
    </div>
  </div>
</div>

<!-- HERO -->
<div class="hero">
  <div class="hero-grid-lines"></div>
  <div class="hero-body">
    <div class="hero-label">Smart Energy Mobility Laboratory</div>
    <h1 class="hero-title">에너지를 만들고,<br><em>저장하고, 제어하며</em><br>미래를 설계합니다.</h1>
    <p class="hero-tagline">신재생 에너지 시스템과 자율주행 모빌리티를 융합하여 <br>미래의 스마트 에너지를 연구하는 공간입니다.</p>
    <div class="hero-btns">
      <a href="{{ site.baseurl }}/members/" class="hero-cta">
        연구실 소개
        <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="5" y1="12" x2="19" y2="12"/><polyline points="12 5 19 12 12 19"/></svg>
      </a>
      <button class="hero-cta outline" onclick="openPopup()">학부연구생 모집</button>
    </div>
  </div>
  <div class="hero-footer">
    <div class="hero-stat"><div class="s-label">연구 분야</div><div class="s-val">신재생 에너지 · AI 모빌리티</div></div>
    <div class="hero-stat"><div class="s-label">위치</div><div class="s-val">자연과학관 J105호</div></div>
    <div class="hero-stat"><div class="s-label">연락처</div><div class="s-val">2668602@pcu.ac.kr</div></div>
  </div>
</div>

<!-- RESEARCH -->
<div class="home-section cream">
  <div class="home-section-inner">
    <div class="s-label-tag fade-up">Research Areas</div>
    <h2 class="s-title fade-up">우리는 이런 연구를 합니다</h2>
    <div class="research-cards fade-up">
      <div class="r-card">
        <div class="r-num">Research 01</div>
        <h3>신재생 에너지 제어 및 최적화</h3>
        <ul class="r-items">
          <li>태양광(PV) · ESS 효율 극대화 관리 알고리즘 개발</li>
          <li>전력변환 장치 설계 및 계통 연계 인버터 제어 기술</li>
          <li>Smart Grid — 지능형 에너지 분배 및 스마트 모빌리티 인프라 구축</li>
        </ul>
      </div>
      <div class="r-card">
        <div class="r-num">Research 02</div>
        <h3>자율주행 모빌리티 및 AI 제어</h3>
        <ul class="r-items">
          <li>차량 동역학 및 최적 경로 계획 제어 로직 구현</li>
          <li>LiDAR · Radar · Camera 딥러닝 기반 센서 융합 및 환경 인지</li>
          <li>Physical AI · Agent AI 기반 차세대 모빌리티 제어 시스템</li>
        </ul>
      </div>
    </div>
  </div>
</div>

<!-- MEMBERS PREVIEW -->
<div class="home-section">
  <div class="home-section-inner">
    <div class="s-label-tag fade-up">Members</div>
    <h2 class="s-title fade-up">연구실 구성원</h2>
    <div class="members-row fade-up">
      {% assign sorted_members = site.members | sort: 'order' %}
      {% for member in sorted_members limit:4 %}
      <a href="{{ site.baseurl }}{{ member.url }}" class="member-card">
        <div class="member-avatar">
          {% if member.photo %}
            {% if member.photo contains '/' %}<img src="{{ member.photo }}" alt="{{ member.name }}">
            {% else %}<img src="{{ site.baseurl }}/assets/images/members/{{ member.photo }}" alt="{{ member.name }}">
            {% endif %}
          {% else %}{{ member.name | slice: 0 }}{% endif %}
        </div>
        <div>
          <div class="member-card-name">{{ member.name }}</div>
          <div class="member-card-role">{{ member.role }}</div>
        </div>
      </a>
      {% endfor %}
    </div>
    <a href="{{ site.baseurl }}/members/" class="more-link">전체 멤버 보기 →</a>
  </div>
</div>

<!-- NEWS PREVIEW -->
<div class="home-section cream">
  <div class="home-section-inner">
    <div class="s-label-tag fade-up">Latest News</div>
    <h2 class="s-title fade-up">최근 소식</h2>
    <div class="news-grid fade-up">
      {% for post in site.posts limit:3 %}
      <a href="{{ site.baseurl }}{{ post.url }}" class="news-card">
        <div class="news-date">{{ post.date | date: "%Y.%m.%d" }}</div>
        <div>
          <div class="news-cat">{{ post.category | default: "공지" }}</div>
          <div class="news-title">{{ post.title }}</div>
        </div>
      </a>
      {% endfor %}
    </div>
    <a href="{{ site.baseurl }}/news/" class="more-link">전체 소식 보기 →</a>
  </div>
</div>

<!-- 협약업체 -->
<div class="home-section">
  <div class="home-section-inner">
    <div class="s-label-tag fade-up">Partners</div>
    <h2 class="s-title fade-up">협약 기업</h2>
    <div class="partners-grid fade-up">

      <!-- DY이노베이트 -->
      <a href="https://innovate.dy.co.kr/kr" target="_blank" rel="noopener" class="partner-card">
        <img src="{{ site.baseurl }}/assets/images/DYlogo.png" alt="DY이노베이트" class="partner-logo">
        <div class="partner-name">DY이노베이트</div>
      </a>

      <!--
        협약업체 추가 방법:
        아래 블록을 복사해서 위에 붙여넣고
        URL, 로고 파일명, 업체명만 수정하세요.
        로고 파일은 assets/images/ 폴더에 먼저 업로드하세요.

        <a href="업체URL" target="_blank" rel="noopener" class="partner-card">
          <img src="{{ site.baseurl }}/assets/images/로고파일명.png" alt="업체명" class="partner-logo">
          <div class="partner-name">업체명</div>
        </a>
      -->

    </div>
  </div>
</div>

<!-- CTA -->
<div class="cta-section">
  <p>미래 에너지와 모빌리티 기술을 함께 연구할<br>열정 있는 학생들의 많은 지원 바랍니다.</p>
  <button class="cta-btn" onclick="openPopup()">학부연구생 모집 안내 →</button>
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