/* 導覽列統一樣式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    z-index: 1000;
    transition: transform 0.3s ease;
}

.navbar.navbar-hidden {
    transform: translateY(-100%);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.2rem 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    z-index: 1001;
}

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

.nav-logo img {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-link {
    color: #333;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.5px;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: #d4a574;
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: #d4a574;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
    width: 30px;
    height: 24px;
    justify-content: space-between;
}

.nav-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background: #333;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(10.5px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-10.5px) rotate(-45deg);
}

@media (max-width: 768px) {
    .nav-container {
        padding: 1rem 20px;
    }

    .nav-logo img {
        height: 40px;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 280px;
        background: #2c2c2c;
        flex-direction: column;
        padding: 100px 40px 40px;
        gap: 0;
        transition: right 0.3s ease;
        overflow-y: auto;
    }

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

    .nav-link {
        color: white;
        font-size: 18px;
        padding: 20px 0;
        width: 100%;
        text-align: left;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-link:first-child {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-link::after {
        display: none;
    }

    .nav-link:hover {
        color: #d4a574;
    }
}

@media (max-width: 480px) {
    .nav-logo img {
        height: 35px;
    }

    .nav-menu {
        width: 250px;
        padding: 90px 30px 30px;
    }

    .nav-link {
        font-size: 17px;
        padding: 18px 0;
    }
}