body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f5f7fa;
    color: #222;
}
/* NAV */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 18px 30px;
    background: rgba(20, 20, 20, 0.85);
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    z-index: 1000;
}
.logo {
    position: absolute;
    left: 25px;
}
.logo img {
    height: 55px;
    object-fit: contain;
    transition: 0.3s;
    filter: brightness(1.2);
}
.logo img:hover {
    transform: scale(1.05);
}
/* MENU */
.menu {
    display: flex;
    gap: 35px;
}
.menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: 0.3s;
    font-size: 18px;
    opacity: 0.85;
}
.menu a:hover {
    opacity: 1;
}
/* underline animation */
.menu a::after {
    content:"";
    position:absolute;
    left:0;
    bottom:-8px;
    width:0;
    height:2px;
    background:#00c3ff;
    transition:0.3s;
}
.menu a:hover::after {
    width:100%;
}
/* HERO */
.hero {
    height:100vh;
    background:url('./hero.png') center/cover no-repeat;
    display:flex;
    align-items:center;
    justify-content:center;
}
.overlay {
    background:rgba(255,255,255,0.7);
    padding:45px;
    border-radius:12px;
    text-align:center;
    box-shadow:0 10px 30px rgba(0,0,0,0.2);
}
.overlay h1 {
    font-size:42px;
    margin-bottom:10px;
}
/* SECTION */
section {
    padding:120px 20px 80px;
    text-align:center;
    max-width:1200px;
    margin:auto;
}
/* CARD GRID */
.cards {
    display:flex;
    justify-content:center;
    gap:25px;
    flex-wrap:wrap;
}
/* a 태그 레이아웃 영향 제거 + 색상 초기화 */
.cards a {
    display: contents;
}
.cards a * {
    color: #222;
}
/* CARD */
.card {
    width: 500px;
    padding:20px;
    border-radius:14px;
    background:white;
    box-shadow:0 8px 25px rgba(0,0,0,0.08);
    transition:0.3s;
    overflow:hidden;
}
/*Wide-card*/
.wide-card {
    width: 380px;
    text-align: center;
}
.card:hover {
    transform:translateY(-8px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}
/* IMAGE */
.card img {
    width:120px;
    height:120px;
    object-fit:cover;
    border-radius:50%;
    margin: 20px auto 10px;
    display: block;
}
/* SCROLL ANIMATION */
.reveal {
    opacity:0;
    transform:translateY(40px);
    transition:1s;
}
.reveal.active {
    opacity:1;
    transform:translateY(0);
}
.member-img {
  width: 150px;
  border-radius: 10px;
  margin-bottom: 10px;
}
/* ===== 프로필 카드 레이아웃 (Mobility용) ===== */
.profile-card {
    display: flex;
    align-items: center;
    gap: 30px;
    text-align: left;
    padding: 30px;
}
/* 왼쪽 사진 */
.profile-left img {
    width: 160px;
    height: auto;
    border-radius: 10px;
    object-fit: contain;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
/* 오른쪽 텍스트 */
.profile-right {
    flex: 1;
}
a {
    text-decoration: none;
    color: inherit;
}
.card {
    cursor: pointer;
}