/* Event Navigation */
.event-nav {
    background: #f8f9fa;
    border-bottom: 2px solid #dee2e6;
}

.event-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.event-logo {
    padding: 10px 0;
    flex-shrink: 0;
}

.event-logo img {
    max-height: 50px;
    max-width: 200px;
    height: auto;
    width: auto;
}

.event-nav .nav {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    margin-left: auto;
}

.event-nav .nav-item {
    margin: 0;
}

.event-nav .nav-link {
    display: block;
    padding: 15px 25px;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
}

.event-nav .nav-link:hover {
    background: #e9ecef;
    border-bottom-color: #0066cc;
}

.event-nav .nav-link.active {
    background: white;
    border-bottom-color: #0066cc;
    color: #0066cc;
}

/* 로고가 없을 때 메뉴만 오른쪽 정렬 */
.event-nav .container:not(:has(.event-logo)) {
    justify-content: flex-end;
}

/* Hamburger Menu Button */
.hamburger-menu {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 998;
    position: relative;
}

.hamburger-menu span {
    display: block;
    width: 25px;
    height: 3px;
    background: #333;
    margin: 5px 0;
    transition: all 0.3s;
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1100;
    opacity: 0;
    transition: opacity 0.3s;
}

.mobile-menu-overlay.active {
    display: block;
    opacity: 1;
}

/* Mobile Menu Sidebar */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background: white;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.3);
    z-index: 1101;
    transition: right 0.3s;
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    padding: 20px;
    border-bottom: 1px solid #dee2e6;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f8f9fa;
}

.mobile-menu-header h3 {
    margin: 0;
    font-size: 18px;
    color: #333;
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 28px;
    color: #666;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    line-height: 1;
}

.mobile-menu-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu-nav li {
    border-bottom: 1px solid #f0f0f0;
}

.mobile-menu-nav a {
    display: block;
    padding: 15px 20px;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: background 0.2s;
}

.mobile-menu-nav a:hover {
    background: #f8f9fa;
}

.mobile-menu-nav a.active {
    background: #e3f2fd;
    color: #0066cc;
    border-left: 4px solid #0066cc;
    padding-left: 16px;
}

@media (max-width: 768px) {
    .event-nav .container {
        flex-direction: row;
        align-items: center;
        padding: 10px 15px;
    }

    .event-logo {
        padding: 0;
    }

    .event-nav .nav {
        display: none;
    }

    .hamburger-menu {
        display: block;
        margin-left: auto;
    }

    .mobile-menu {
        display: block;
    }
}

/* Main Banner */
.main-banner-wrapper {
    width: 100%;
    overflow: hidden;
}

.main-banner-pc {
    width: 100%;
    display: block;
}

.main-banner-mobile {
    width: 100%;
    display: none;
}

@media (max-width: 768px) {
    .main-banner-pc {
        display: none;
    }
    .main-banner-mobile {
        display: block;
    }
}

/* Sub Banner */
.sub-banner-wrapper {
    width: 100%;
    overflow: hidden;
    /*margin-bottom: 30px;*/
}

.sub-banner-pc {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    display: block;
}

.sub-banner-mobile {
    width: 100%;
    max-height: 200px;
    object-fit: cover;
    display: none;
}

@media (max-width: 768px) {
    .sub-banner-pc {
        display: none;
    }
    .sub-banner-mobile {
        display: block;
    }
}