/* 기본 초기화 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: #0f0f0f; /* 깊이감 있는 블랙 */
  color: #ffffff;
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
  line-height: 1.6;
}

/* 헤더 스타일 */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 25px 8%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  background: rgba(15, 15, 15, 0.7);
  backdrop-filter: blur(10px);
}

.header .logo {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.header nav a {
  margin-left: 35px;
  color: #bbb;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: 0.3s;
}

.header nav a:hover {
  color: #ff6b3d;
}

/* 히어로 섹션 레이아웃 */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 8%;
  overflow: hidden;
}

.hero-container {
  display: flex;
  align-items: center;
  max-width: 1200px;
  width: 100%;
  gap: 80px;
}

/* 왼쪽 사진 영역 */
.image-box {
  flex: 1;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.image-box img {
  width: 100%;
  max-width: 380px;
  border-radius: 40px;
  z-index: 2;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

/* 사진 뒤 후광 효과 */
.bg-circle {
  position: absolute;
  width: 120%;
  height: 120%;
  background: radial-gradient(circle, rgba(255, 107, 61, 0.2) 0%, transparent 70%);
  z-index: 1;
}

/* 오른쪽 텍스트 영역 */
.text-box {
  flex: 1.2;
}

.badge {
  display: inline-block;
  color: #ff6b3d;
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 15px;
}

.text-box h1 {
  font-size: 4.5rem;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -1px;
}

.text-box h2 {
  font-size: 1.8rem;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 25px;
  color: #eee;
}

.text-box p {
  color: #999;
  font-size: 1.1rem;
  margin-bottom: 40px;
}

/* 버튼 스타일 */
.btn-group {
  display: flex;
  gap: 15px;
}

.main-btn {
  padding: 18px 35px;
  background: #ff6b3d;
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: 0.3s;
}

.main-btn:hover {
  background: #e55a2f;
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(255, 107, 61, 0.3);
}

.sub-btn {
  padding: 14px 36px;
  border-radius: 30px;
  border: 1.5px solid #ff6b3d;
  background: transparent;
  color: #ff6b3d;
  font-weight: 600;
  transition: all 0.3s ease;
}

.sub-btn:hover {
  background: #ff6b3d;
  color: #000;
  box-shadow: 0 0 20px rgba(255,107,61,0.4);
}


/* 반응형 모바일 (900px 이하) */
@media (max-width: 900px) {
  .hero-container {
    flex-direction: column;
    text-align: center;
    gap: 40px;
    margin-top: 80px;
  }

  .text-box h1 { font-size: 3rem; }
  .text-box h2 { font-size: 1.4rem; }
  
  .image-box img {
    max-width: 280px;
  }
  
  .btn-group {
    justify-content: center;
  }
}


/* --- About Me 섹션 디자인 --- */
.about {
  padding: 120px 8%;
  background: #111;
  display: flex;
  justify-content: center;
}

.about .container {
  max-width: 1100px;
  width: 100%;
}

.section-title {
  font-size: 2.8rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  color: #ffffff;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 4px;
  background: #ff6b3d;
  border-radius: 2px;
}

.about-text p {
  font-size: 1.15rem;
  line-height: 1.8;
  color: #999;
  text-align: center;
  margin-bottom: 60px;
}

/* 2행 3열 배치 핵심 코드 */
.info-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 가로 3개 */
  gap: 25px;
}

.info-list li {
  background: #1a1a1a;
  padding: 25px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 20px;
  border: 1px solid #222;
  transition: 0.3s ease;
}

.info-list li:hover {
  transform: translateY(-8px);
  border-color: #ff6b3d;
  background: #222;
}

.info-list li i {
  font-size: 1.5rem;
  color: #ff6b3d;
  width: 40px;
  text-align: center;
}

.info-list li div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.info-list li strong {
  color: #ff6b3d;
  font-size: 0.85rem;
  letter-spacing: 1px;
}

.info-list li span {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 500;
}

/* 반응형: 화면이 작아지면 2열, 더 작아지면 1열로 변경 */
@media (max-width: 1024px) {
  .info-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .info-list { grid-template-columns: 1fr; }
  .section-title { font-size: 2.2rem; }
}
/* --- Skills 섹션 전체 스타일 --- */
.skills {
  padding: 100px 8%;
  background: #0f0f0f;
}

.skill-category {
  margin-bottom: 60px;
}

.skill-category h3 {
  color: #ff6b3d;
  font-size: 1.4rem;
  margin-bottom: 25px;
  text-align: left;
  /* 카테고리 제목 옆에 포인트 선 */
  display: flex;
  align-items: center;
  gap: 15px;
}

.skill-category h3::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(255, 107, 61, 0.2);
}

.skills-grid {
  display: grid;
  /* 카드가 한 줄에 너무 적지 않게 너비 조정 */
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 20px;
}

.skill-card {
  background: #1a1a1a;
  padding: 25px 15px;
  border-radius: 18px;
  border: 1px solid #222;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-card:hover {
  transform: translateY(-8px);
  border-color: #ff6b3d;
  background: #222;
  box-shadow: 0 10px 25px rgba(255, 107, 61, 0.1);
}

.skill-card img {
  width: 45px;
  height: 45px;
  object-fit: contain;
}

.skill-card img[src*="adobeillustrator"] {
  filter: invert(64%) sepia(96%) saturate(628%)
          hue-rotate(2deg) brightness(104%) contrast(101%);
}

.skill-card img[src*="simple-icons@v11"] {
  filter: invert(1);
}

.skill-card img[src*="photoshop"] {
  filter: brightness(2.2) contrast(1.4) saturate(1.2);
}



.skill-card span {
  font-size: 0.9rem;
  font-weight: 500;
  color: #ccc;
}

.projects {
  padding: 120px 8%;
  background: #0f0f0f;
}

.skill-card img.labview {
  filter: invert(1);
}

.project-subtitle {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 30px;
  color: #ff6b3d;
}

@media (max-width: 900px) {
  .project-card-grid {
    grid-template-columns: 1fr;
  }

  .project-thumb img {
    height: 200px;
  }
}

/* ===== Project Modal ===== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: #1a1a1a;
  border-radius: 20px;
  padding: 40px;
  width: 90%;
  max-width: 600px;
  color: #fff;
  position: relative;
}

.modal-content h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
}

.modal-content p {
  color: #ccc;
  margin-bottom: 20px;
}

.modal-content ul {
  margin-bottom: 20px;
}

.modal-content ul li {
  margin-bottom: 6px;
  font-size: 0.95rem;
}

.modal-content a {
  color: #ff6b3d;
  font-weight: 600;
  text-decoration: none;
}

.modal-close {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 1.5rem;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
}

.project-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
  gap: 30px;
}

.project-card {
  background: #1a1a1a;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid #222;
  transition: transform .3s ease, box-shadow .3s ease;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,.4);
}

.project-thumb {
  height: 400px;           /* 카드 이미지 높이 고정 */
  overflow: hidden;
  border-radius: 20px 20px 0 0;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top; 
}

/* 호버 시 살짝 확대 */
.project-card:hover .project-thumb img {
  transform: scale(1.05);
}

.project-body {
  padding: 24px;
}

.project-no {
  font-size: 0.85rem;
  color: #888;
}

.project-body h4 {
  margin: 6px 0 10px;
  font-size: 1.3rem;
}

.project-desc {
  color: #aaa;
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 14px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.project-tags span {
  background: #2a2a2a;
  color: #ff6b3d;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 20px;
}

.project-date {
  font-size: 0.8rem;
  color: #777;
}

.modal-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 20px;
}
/* =========================
   Awards Section (Upgrade)
========================= */
.awards {
  padding: 120px 0;
}

.award-card {
  max-width: 900px;
  margin: 60px auto 0;
  display: flex;
  gap: 28px;
  align-items: center;
  background: linear-gradient(145deg, #111, #0d0d0d);
  border: 1px solid #222;
  border-radius: 20px;
  padding: 36px 40px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.award-icon {
  font-size: 3rem;
  flex-shrink: 0;
}

.award-content h3 {
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 10px;
}

.award-date {
  font-size: 1rem;
  color: #ff6b3d;
  font-weight: 600;
  margin-bottom: 6px;
}

.award-org {
  font-size: 0.95rem;
  color: #aaa;
}
.award-card {
  max-width: 900px;
  margin: 60px auto 0;
  display: flex;
  gap: 28px;
  align-items: center;
  background: linear-gradient(145deg, #111, #0d0d0d);
  border: 1px solid #222;
  border-radius: 20px;
  padding: 36px 40px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);

  /* ⭐ 추가 */
  transition: all 0.3s ease;
  cursor: default;
}

/* ⭐ Skills 카드랑 같은 느낌 */
.award-card:hover {
  border-color: #ff6b3d;          /* 포인트 컬러 */
  transform: translateY(-6px);    /* 살짝 뜨는 효과 */
  box-shadow: 0 30px 60px rgba(0,0,0,0.6);
}

.github-btn {
  display: inline-block;
  padding: 16px 38px;
  border-radius: 14px;
  border: 1.5px solid #ff6b3d;
  background: transparent;
  color: #ff6b3d;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s ease;
}

.github-btn:hover {
  background: #ff6b3d;
  color: #000;
  box-shadow: 0 12px 30px rgba(255,107,61,0.35);
  transform: translateY(-3px);
}
.logo {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #fff;
  text-decoration: none;
  cursor: pointer;
}

.logo:hover {
  color: #ff6b3d; /* 포인트 컬러 */
}