.page-main-content {
    padding-top: 60px;
}

:root {
    --theme-color: #3b82f6;
    --subText-color: #9ca3af;
    --dark-color: #e5e7eb;
    --white-color: #111827;
    --bg-secondary: #1f2937;
}

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

body {
    font-family: 'Pretendard', sans-serif;
    color: var(--dark-color);
    line-height: 1.6;
    word-break: keep-all;
    background-color: var(--white-color);
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(17, 24, 39, 0.7);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid #374151;
}

.navbar-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.5rem 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar .logo img {
    height: 2.0rem;
    width: auto;
}

.navbar .logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
}

.logo-text {
    font-family: 'Pretendard', sans-serif;
    font-size: 1.8rem;
    font-weight: 400;
    color: #FFFFFF;
    letter-spacing: -0.05em;
    line-height: 1;
}

.logo-text sup {
    font-size: 0.6rem;
    top: -0.7em;
    position: relative;
    font-weight: 300;
    color: #a0aec0;
    line-height: 0;
    vertical-align: baseline;
}

.navbar .nav-links a {
    color: var(--dark-color);
    text-decoration: none;
    margin-left: 1.5rem;
    font-size: 1rem;
    position: relative;
    padding-bottom: 1rem;
}

.navbar .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--theme-color);
    transform: scaleX(0);
    transition: transform 0.1s ease-in-out;
}

.navbar .nav-links a:hover {
    color: var(--theme-color);
}

.navbar .nav-links a:hover::after {
    transform: scaleX(1);
}

.navbar .nav-links a.active {
    color: var(--theme-color);
}

.navbar .nav-links a.active::after {
    transform: scaleX(1);
}

.hamburger-menu {
    display: none;
    font-size: 36px;
    cursor: pointer;
    text-decoration: none;
    color: var(--dark-color);
}

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.modal-content {
    position: fixed;
    top: 0;
    right: -300px;
    width: 250px;
    height: 100%;
    background-color: var(--bg-secondary);
    padding: 20px;
    box-shadow: -2px 0 5px rgba(0, 0, 0, 0.5);
    transition: right 0.3s ease-in-out;
}

.modal-content.active {
    right: 0;
}

.modal-close-btn {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 30px;
    color: var(--dark-color);
    text-decoration: none;
}

.modal-nav-links a {
    display: block;
    padding: 15px 0;
    color: var(--dark-color);
    text-decoration: none;
    font-size: 18px;
    border-bottom: 1px solid #374151;
}

.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .navbar .nav-links {
        display: none;
    }

    .hamburger-menu {
        display: block;
    }
}

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    color: var(--dark-color);
    text-decoration: none;
    margin-left: 1.5rem;
    font-size: 1rem;
    position: relative;
    padding-bottom: 1rem;
    cursor: pointer;
    background: none;
    border: none;
    font-family: 'Pretendard', sans-serif;
}

.dropdown-toggle::after {
    content: ' ▾';
    font-size: 0.8em;
}

.dropdown-toggle:hover::after {
    transform: scaleX(0);
}

.dropdown.active .dropdown-toggle {
    color: var(--theme-color);
}

.dropdown-content {
    position: absolute;
    left: 50%;
    top: 100%;
    transform: translateX(-50%) translateY(10px) scale(0.95);
    background-color: var(--bg-secondary);
    backdrop-filter: blur(5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.5);
    z-index: 1001;
    border-radius: 8px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.dropdown.active .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0) scale(1);
}

.navbar .nav-links .dropdown-content a {
    color: var(--dark-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    white-space: nowrap;
    padding: 0.7rem 1.5rem;
    margin: 0;
}

.navbar .nav-links .dropdown-content a svg {
    width: 1.1rem;
    height: 1.1rem;
    flex-shrink: 0;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.navbar .nav-links .dropdown-content a:hover svg {
    opacity: 1;
}

.navbar .nav-links .dropdown-content a::after {
    display: none;
}

.navbar .nav-links .dropdown-content a:hover {
    background-color: #374151;
    color: #fff;
    transform: none;
}