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

body {
  font-family: 'Noto Sans KR', sans-serif;
  background: linear-gradient(180deg, #000 0%, #0b0b0b 50%, #111 100%);
  color: #fff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-shadow: none;
  overflow-x: hidden;
}

/* ===== 상단 고정 헤더 ===== */
.topbar.blackbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 100px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 40px;
  background: #000;
  border-bottom: 1px solid #222;
  box-shadow: 0 2px 8px rgba(0,0,0,0.8);
  z-index: 1000;
}

.brand { display: flex; align-items: center; }

.logo {
  height: 40px;
  transform: translate(-10%);
  margin-left: -5%;
}

/* 중앙 메뉴 */
.gnb {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
}
.gnb ul { display: flex; list-style: none; gap: 32px; }
.gnb a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: color 0.3s;
}
.gnb a:hover { color: #ccc; }

/* 로그인 / 회원가입 */
.auth { display: flex; gap: 4px; }
.btn-auth {
  padding: 10px 10px;
  border-radius: 15px;
  text-decoration: none;
  color: #fff;
  font-weight: 400;
  font-size: 0.9rem;
}

/* ===== About 본문 ===== */
.about-container {
  padding-top: 100px; /* 헤더 높이 확보 */
  background: linear-gradient(180deg, #000 0%, #0b0b0b 40%, #111 100%);
}

/* 공통 섹션 */
.about-section {
  min-height: 100vh;
  padding: 6rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: transparent; /* 개별 섹션은 투명 */
  position: relative;
}

/* ===== 회사 소개 섹션 (배경 이미지) ===== */
.about-company {
  position: relative;
  background: url("../images/회사소개.png") center 8% / cover no-repeat;
  color: #fff;
  overflow: hidden;
  z-index: 0;
}

.about-company::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5); /* 어두운 오버레이 */
  z-index: -1;
}

.about-company h2,
.about-company p {
  position: relative;
  z-index: 1;
}

/* ===== 나머지 섹션: 배경 자연스럽게 연결 ===== */
.about-meaning,
.about-history {
  background: linear-gradient(180deg, rgba(0,0,0,0.85) 0%, rgba(10,10,10,0.95) 100%);
}

/* ===== 제목 / 문단 ===== */
.about-section h2 {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 2rem;
  padding: 4px;
  margin-top: -3%;
}

.about-section p {
  max-width: 780px;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

/* ===== OASIS 이름 정의 섹션 ===== */
.about-logo {
  max-width: 500px;
  width: 60%;
  margin-bottom: 2rem;
  margin-top: 50px;
}
.slogan {
  font-size: 2rem !important;
  font-weight: 600 !important;
  max-width: 1000px !important; 
  color: #ff6b35;
  margin-bottom: 2rem;
}

.intro, .intro2, .brand2 {
  max-width: 1000px;
  font-size: 1.4rem;
  margin-bottom: 0.7rem;
}

.intro2 {
  max-width: 1000px;
  font-size: 1.4rem;
  margin-bottom: 5px !important; /* 🔹 기존보다 살짝 더 띄움 */
}

.brand2 {
  max-width: 1000px;
  font-size: 1.4rem;
  margin-top: 15px;  /* 🔹 위 문장과 간격 확보 */
  margin-bottom: 0;
  line-height: 1.8;  /* 🔹 가독성 향상 */
}

/* ===== 이미지 공통 ===== */
.about-image {
  max-width: 1200px;
  width: 100%;
  margin-top: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.7);
  background: #111;
  margin-bottom: -10%;
}

.ours { 
  max-width: 1200px;
  width: 100%;
  margin-top: 20px;
  margin-bottom: -5%;
}

/* ===== 부드러운 전환 효과 ===== */
.about-section::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  height: 120px;
  background: linear-gradient(to bottom, rgba(0,0,0,0) 0%, #0b0b0b 100%);
  z-index: -1;
}

/* ===== 반응형 ===== */
@media (max-width: 768px) {
  .about-section h2 { font-size: 2.2rem; }
  .about-section p { font-size: 1.1rem; }
  .about-logo { width: 80%; max-width: 400px; }
  .about-image { width: 95%; max-width: 95%; }
  .about-company { background-position: center 55%; }
}