/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: transparent;
    backdrop-filter: none;
    border-bottom: 1px solid transparent;
    z-index: 9999;
    transition: background 0.3s ease, backdrop-filter 0.3s ease, border-bottom 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0.75rem 2rem;
    gap: 3rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.nav-logo .logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
    border-radius: 6px;
    transition: filter 0.3s ease;
}

.navbar.scrolled .nav-logo .logo {
    filter: brightness(0);
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--pure-white);
    transition: color 0.3s ease;
}

.navbar.scrolled .logo-text {
    color: var(--primary-black);
}

.footer .logo-text {
    color: var(--pure-white);
    font-weight: 700;
}

.nav-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    list-style: none;
    gap: 2.5rem;
    margin: 0;
    flex: 1;
}

.nav-link {
    text-decoration: none;
    color: var(--pure-white);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.navbar.scrolled .nav-link {
    color: var(--primary-black);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-blue);
}

.nav-link:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition);
}

.nav-link:hover:after,
.nav-link.active:after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    margin-left: auto;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background: var(--pure-white);
    transition: background 0.3s ease;
}

.navbar.scrolled .hamburger .bar {
    background: var(--primary-black);
    transition: var(--transition);
}

/* Subpage Navbar - Always dark text */
.navbar-subpage {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.navbar-subpage .nav-logo .logo {
    filter: brightness(0);
}

.navbar-subpage .logo-text {
    color: var(--primary-black);
}

.navbar-subpage .nav-link {
    color: var(--primary-black);
}

.navbar-subpage .hamburger .bar {
    background: var(--primary-black);
}

/* Dropdown Menu */
.nav-item.has-dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
}

.dropdown-toggle i {
    font-size: 0.7rem;
    transition: var(--transition);
}

.nav-item.has-dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: 12px;
    box-shadow: var(--shadow-medium);
    padding: 0.75rem 0;
    min-width: 160px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    margin-top: 0.5rem;
}

.nav-item.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    margin-top: 0;
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-link {
    display: block;
    padding: 0.65rem 1.25rem;
    color: var(--primary-black);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}

.dropdown-link:hover {
    background: var(--light-gray);
    color: var(--accent-blue);
}


/* Footer */
.footer {
    background: var(--secondary-black);
    color: var(--pure-white);
    padding: 4rem 0 1.5rem;
    position: relative;
    z-index: 2;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1.25rem;
}

.footer-logo .logo {
    width: 45px;
    height: 45px;
    object-fit: contain;
    border-radius: 10px;
}

.footer-description {
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* Footer Social Buttons */
.footer-brand .social-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.5rem;
}

.footer-brand .social-btn {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    color: var(--pure-white);
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.85rem;
    transition: var(--transition);
}

.footer-brand .social-btn:hover {
    transform: translateY(-2px);
}

.footer-brand .social-btn.youtube:hover {
    background: #ff0000;
}

.footer-brand .social-btn.threads:hover {
    background: #000000;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.footer-brand .social-btn.naver:hover {
    background: #03c75a;
}

.footer-brand .social-btn.instagram:hover {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.25rem;
}

.social-link.youtube {
    background: rgba(255, 0, 0, 0.15);
    color: #ff0000;
}

.social-link.youtube:hover {
    background: #ff0000;
    color: var(--pure-white);
    transform: translateY(-3px);
}

.social-link.blog {
    background: rgba(0, 200, 83, 0.15);
    color: #00c853;
}

.social-link.blog:hover {
    background: #00c853;
    color: var(--pure-white);
    transform: translateY(-3px);
}

.social-link.instagram {
    background: rgba(225, 48, 108, 0.15);
    color: #e1306c;
}

.social-link.instagram:hover {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    color: var(--pure-white);
    transform: translateY(-3px);
}

.social-link.threads {
    background: rgba(255, 255, 255, 0.15);
    color: var(--pure-white);
}

.social-link.threads:hover {
    background: var(--pure-white);
    color: #000000;
    transform: translateY(-3px);
}

.social-link.naver {
    background: rgba(3, 199, 90, 0.15);
    color: #03c75a;
}

.social-link.naver:hover {
    background: #03c75a;
    color: var(--pure-white);
    transform: translateY(-3px);
}

.footer-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.footer-info .footer-section {
    text-align: left;
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--pure-white);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.65rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--pure-white);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

.company-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.copyright {
    font-size: 0.95rem;
    margin: 0;
}

.business-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.5rem 1rem;
    font-size: 0.85rem;
    opacity: 0.8;
    line-height: 1.5;
}

.business-info span {
    white-space: nowrap;
}

.business-info .divider {
    color: rgba(255, 255, 255, 0.4);
    font-weight: 300;
}