*,
*::before,
*::after {
    box-sizing: border-box;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    min-height: 80px;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding: 0 clamp(20px, 3vw, 40px);
    z-index: 9999;
    backdrop-filter: blur(10px);
}

.nav-logo {
    height: 100%;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.nav-logo a {
    display: inline-flex;
    align-items: center;
}

.nav-logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    flex-direction: row;
    align-items: center;
    list-style: none;
    margin: 0 0 0 auto;
    padding: 0;
    gap: clamp(16px, 2vw, 32px);
    min-width: 0;
}

.nav-menu > li {
    position: relative;
}

.nav-menu li a {
    color: #000;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    white-space: nowrap;
}

.nav-menu li a[aria-current="page"] {
    font-weight: 700;
    opacity: 1;
}

.has-submenu {
    position: relative;
}

.submenu {
    position: absolute;
    top: calc(100% + 20px);
    right: 0;
    min-width: 220px;
    margin: 0;
    padding: 14px 0;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    visibility: hidden;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    z-index: 9998;
}

.has-submenu:hover .submenu,
.has-submenu:focus-within .submenu {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.submenu-container {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 0 12px;
    margin: 0;
}

.submenu li {
    list-style: none;
    white-space: nowrap;
}

.submenu li a {
    display: block;
    padding: 8px 12px;
    color: #000;
    font-size: 14px;
    border-radius: 10px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.submenu li a:hover {
    color: #222;
    background: rgba(0, 0, 0, 0.05);
}

.footer-section {
    width: 100%;
    background-color: #333;
    min-height: auto !important;
}

.footer-content {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    min-height: 70px;
    padding: 18px 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-logo {
    margin-bottom: 0;
}

.footer-logo img {
    height: 30px;
    width: auto;
}

.footer-info {
    text-align: right;
    color: rgba(255, 255, 255, 0.8);
    font-size: 12px;
    line-height: 1.6;
}

.footer-info p {
    margin: 0 0 0 15px;
    display: inline;
}

.footer-detailed-info p {
    display: block;
    margin: 0;
}

.footer-detailed-info p + p {
    margin-top: 2px;
}

.menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    color: #333;
    padding: 6px;
    flex-shrink: 0;
}

@media screen and (max-width: 1200px) {
    .navbar {
        padding: 0 20px;
    }
}

@media screen and (max-width: 1024px) {
    .nav-menu {
        gap: 20px;
    }

    .nav-menu li a {
        font-size: 14px;
    }
}

@media screen and (max-width: 768px) {
    .navbar {
        min-height: 72px;
        padding: 0 20px;
    }

    .menu-btn {
        display: block;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100%;
        margin: 0;
        padding: 16px 20px 20px;
        background: rgba(255, 255, 255, 0.97);
        border-top: 1px solid rgba(0, 0, 0, 0.08);
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        overflow-y: auto;
        overflow-x: hidden;
        max-height: calc(100vh - 72px);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu > li > a {
        display: block;
        padding: 10px 0;
    }

    .submenu {
        position: static;
        min-width: 0;
        margin-top: 4px;
        padding: 0;
        background: transparent;
        border-radius: 0;
        box-shadow: none;
        visibility: visible;
        opacity: 1;
        transform: none;
    }

    .submenu-container {
        padding: 0;
        gap: 0;
    }

    .submenu li a {
        padding: 8px 0 8px 12px;
        font-size: 13px;
        color: #666;
    }

    .footer-section {
        height: auto !important;
        padding: 15px 20px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        padding: 0;
        min-height: auto;
    }

    .footer-logo {
        margin-bottom: 10px;
    }

    .footer-info {
        text-align: center;
        font-size: 10px;
    }

    .footer-info p {
        display: block;
        margin: 3px 0;
    }

    .footer-detailed-info p + p {
        margin-top: 3px;
    }
}