.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
}

.full-width-line {
    width: 100%;
    height: 2px;
    background-color: #ccc;
    border: none;
    margin: 0;
}

/* =========================
   Top Navigation
========================= */

.topnav {
    width: 100%;
    display: flex;
    align-items: center;
    background-color: #fff;
    position: relative;
}

/* Logo */
.logo {
    margin-right: auto;
    padding: 0;
}

.logo img {
    max-width: 280px;
    width: 100%;
    height: auto;
    display: block;
}

/* Navigation links */
.topnav a {
    display: block;
    color: #000;
    padding: 14px 14px;
    text-decoration: none;
    font-size: 16px;
    white-space: nowrap;
}

/* Active */
.active {
    background-color: #fff;
    color: #000;
}

/* Hamburger */
.topnav .icon {
    display: none;
}

/* =========================
   Dropdown
========================= */

.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    left: auto;
    background-color: #f9f9f9;
    min-width: 120px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    z-index: 999;
}

.dropdown-content a {
    padding: 8px 12px;
    font-size: 15px;
    text-align: left;
}

/* Desktop hover */
.dropdown:hover .dropdown-content {
    display: block;
}

/* Mobile click */
.dropdown.open .dropdown-content {
    display: block;
}

/* =========================
   Responsive
========================= */

@media (max-width: 768px) {
    .logo img {
        max-width: 240px;
    }
}

@media (max-width: 600px) {

    .topnav {
        flex-wrap: nowrap;
    }

    /* 메뉴 숨김 (햄버거 제외) */
    .topnav a:not(.keeper):not(.icon) {
        display: none;
    }

    /* 햄버거 표시 */
    .topnav .icon {
        display: block;
        position: absolute;
        right: 12px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 22px;
        cursor: pointer;
        z-index: 1000;
    }

    /* 햄버거 클릭 후 */
    .topnav.responsive {
        flex-direction: column;
        align-items: stretch;
        padding-top: 50px;   /* 아이콘 공간 확보 */
    }

    /* ⚠️ 핵심: icon은 responsive에서도 숨기지 않음 */
    .topnav.responsive a:not(.icon) {
        display: block;
        width: 100%;
        text-align: left;
    }

    .topnav.responsive .icon {
        display: block;
        position: absolute;
        right: 12px;
        top: 14px;
        transform: none;
    }

    .topnav.responsive .dropdown-content {
        position: relative;
        box-shadow: none;
        right: auto;
        left: 0;
        min-width: 100%;
    }
}

@media (max-width: 480px) {
    .logo img {
        max-width: 200px;
    }
}