/* ======================================
   📌 기본 설정 (폰트, 배경 등)
====================================== */
body {
  font-family: 'Segoe UI', sans-serif;
  background: url('img/IMG_0839.jpeg') no-repeat center center fixed;
  background-size: cover;
  color: #333;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 1200px;
  margin: auto;
  padding: 20px;
}

/* ======================================
   📌 헤더 영역 (이름, 프로필 이미지 등)
====================================== */
.header,
.section {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 40px;
  margin-bottom: 30px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.header h1 {
  font-size: 3em;
  background: linear-gradient(45deg, #000000, #000000);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-align: center;
}

.subtitle {
  text-align: center;
  color: #666;
  font-size: 1.2em;
  margin-bottom: 20px;
}

.profile-img {
  width: 250px;
  height: 250px;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  display: block;
  margin: 0 auto 20px;
}

/* ======================================
   📌 SNS 링크 버튼
====================================== */
.social-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 30px;
}

.social-links a {
  padding: 10px 20px;
  background: linear-gradient(45deg, #667eea, #764ba2);
  color: white;
  text-decoration: none;
  border-radius: 25px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.social-links a:hover {
  transform: translateY(-3px);
}

/* ======================================
   📌 자기소개 본문 (intro)
====================================== */
.intro {
  text-align: center;
  font-size: 1.1em;
  color: #555;
}

/* ======================================
   📌 Swiper 이미지 슬라이드
====================================== */
.swiper {
  position: relative;
  padding: 0;
  max-width: 800px;
  aspect-ratio: 4 / 3;
  margin: 30px auto;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  background: #000;
}

.swiper-slide {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Swiper pagination 스타일 */
.swiper-pagination-bullet-active {
  background: #667eea;
}

/* ======================================
   📌 제목 스타일 (아이콘 포함)
====================================== */
h2[data-icon]::before {
  content: attr(data-icon);
  margin-right: 10px;
}

/* ======================================
   📌 Education / Activities 레이아웃
====================================== */
.education-info,
.activities-grid {
  margin-top: 20px;
}

.education-info h3 {
  margin: 0 0 10px;
}

.activity-card {
  background: white;
  border-radius: 15px;
  padding: 20px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}

.activity-title {
  font-weight: bold;
  font-size: 1.2em;
  margin-bottom: 10px;
}

/* ======================================
   📌 About 카드 스타일
====================================== */

.about-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 20px;
}

.about-item {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 15px;
  padding: 20px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.about-item .activity-title {
  font-weight: bold;
  font-size: 1.2em;
  margin-bottom: 10px;
  color: #333;
}

.about-item p {
  color: #555;
  font-size: 1em;
  line-height: 1.6;
  margin: 0;
}