/* =============================================
   LOHAS Base · 站點骨架
   --------------------------------------------
   依賴: lohas-tokens.css
   --------------------------------------------
   包含 (對應 components/header.html + footer.html):
   - .main-header / .nav-container / .logo
   - .nav-links / .dropdown / .dropdown-menu
   - .mega-menu (含電腦版 + 手機版)
   - .menu-toggle / .bar (漢堡按鈕)
   - body.no-scroll
   - .btn-primary (全站通用主按鈕)
   - .main-footer / .footer-container / .footer-column
   - .footer-social-wrap / .social-link
   - .cookie-banner / .btn-cookie-accept
   ============================================= */

/* --- Header 導覽列 --- */
.main-header {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    width: 100%;
    height: 70px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: var(--z-header);
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
}

.nav-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 35px;
    width: auto;
    display: block;
    object-fit: contain;
}

/* --- 電腦版 Mega Menu --- */
@media (min-width: 769px) {
    .mega-menu-parent {
        position: static !important;
    }

    .mega-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #fff;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
        border-bottom: 1px solid #eee;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.25s ease, visibility 0s linear 0.25s;
        z-index: 9998;
        pointer-events: none;
    }

    /* 用 .open class 顯示 (純 hover 容易抖動,改 JS 控制) */
    .mega-menu-parent.open .mega-menu {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transition: opacity 0.25s ease, visibility 0s linear 0s;
    }

    .mega-menu-container {
        display: flex;
        width: 100%;
        height: 420px;
        margin: 0;
        padding: 0;
        background-color: #fff;
    }

    .mega-image {
        flex: 0 0 45%;
        height: 100%;
        overflow: hidden;
    }

    .mega-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

    .mega-content {
        flex: 1;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        max-height: 450px;
        overflow-y: auto;
        padding: 40px 40px 60px 80px;
        background-color: #fff;
        gap: 30px;
        align-content: start;
    }

    .mega-column h4 {
        font-size: 13px;
        color: var(--lohas-brand);
        margin-bottom: 20px;
        font-weight: 500;
        letter-spacing: 1px;
        border-bottom: 1px solid #f0f0f0;
        padding-bottom: 10px;
    }

    .mega-column ul {
        list-style: none;
        padding: 0;
    }

    .mega-column ul li {
        margin-bottom: 12px;
    }

    .mega-column ul li a {
        font-size: 16px;
        color: var(--lohas-brand);
        text-decoration: none;
        transition: color 0.3s;
    }

    .mega-column ul li a:hover {
        color: var(--lohas-light);
    }



}

/* --- 手機版 Mega Menu --- */
@media (max-width: 768px) {
    .mega-image {
        display: none;
    }

    .mega-menu {
        position: relative;
        top: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease;
    }

    .mega-menu-parent.active .mega-menu {
        max-height: 1000px;
    }

    .mega-content {
        padding: 10px 0;
    }

    .mega-column h4 {
        display: none;
    }

    .mega-column ul li a {
        font-size: 16px;
        padding: 12px 0;
        display: block;
        color: rgba(80, 66, 45, 0.7);
        text-align: center;
    }
}

/* --- Dropdown --- */
.nav-links li {
    position: relative;
}

.dropdown-icon {
    font-size: 12px;
    margin-left: 6px;
    transition: transform 0.3s ease;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(15px);
    background-color: #ffffff;
    min-width: 160px;
    box-shadow: 0 8px 24px rgba(80, 66, 45, 0.08);
    border-radius: 8px;
    padding: 10px 0;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.nav-links li.dropdown-parent:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-links li.dropdown-parent:hover .dropdown-icon {
    transform: rotate(180deg);
}

.dropdown-menu li {
    width: 100%;
}

.dropdown-menu a {
    display: block;
    padding: 10px 24px;
    font-size: 15px;
    color: var(--lohas-brand);
    text-align: center;
    transition: background-color 0.3s, color 0.3s;
}

.dropdown-menu a:hover {
    background-color: var(--bg-warm);
    color: var(--lohas-light);
}

/* --- Nav Links --- */
.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    text-decoration: none !important;
    color: var(--lohas-brand);
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s;
}

.dropdown-menu a:hover {
    color: var(--lohas-light) !important;
}

@media (min-width: 769px) {
    .nav-links > li > a {
        display: inline-flex;
        align-items: center;
        position: relative;
        height: 70px;
        padding-bottom: 0;
    }

    .nav-links > li:hover > a {
        color: var(--lohas-brand) !important;
    }

    .nav-links > li > a::after {
        content: '';
        position: absolute;
        bottom: 12px;
        left: 0;
        width: 0;
        height: 1px;
        background-color: #000;
        transition: width 0.3s ease-in-out;
    }

    .nav-links > li.mobile-cta > a::after {
        display: none !important;
    }

    .nav-links > li:not(.mobile-cta):hover > a::after {
        width: 100%;
    }

    .dropdown-menu a::after {
        content: none !important;
        display: none !important;
        width: 0 !important;
    }
}

body.no-scroll {
    overflow: hidden;
    height: 100%;
}

/* --- Button --- */
.btn-primary {
    background-color: var(--lohas-brand);
    color: #fff !important;
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 16px;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--lohas-hover);
}

.mobile-cta {
    display: none;
}

/* --- Mobile Menu --- */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
}

.bar {
    width: 25px;
    height: 2px;
    background-color: #333;
    transition: 0.3s;
}

@media screen and (max-width: 768px) {
    .nav-cta {
        display: none;
    }

    .logo img {
        height: 28px;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        height: calc(100dvh - 70px);
        background-color: #fff;
        flex-direction: column;
        align-items: center;
        padding-top: 60px;
        padding-bottom: 80px;
        gap: 35px;
        transition: 0.4s ease-in-out;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links a {
        font-size: 20px;
    }

    .mobile-cta {
        display: block;
        margin-top: 20px;
    }

    .menu-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
        transform: translateX(-10px);
    }

    .menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .dropdown-menu,
    .nav-links li.dropdown-parent:hover .dropdown-menu {
        position: relative;
        top: 0;
        left: 0;
        transform: none !important;
        box-shadow: none;
        background-color: transparent;
        min-width: 100%;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        transition: max-height 0.4s ease, opacity 0.4s ease;
        text-align: center;
    }

    .dropdown-menu a {
        font-size: 16px;
        padding: 12px 0;
        color: rgba(80, 66, 45, 0.7);
    }

    .nav-links li.dropdown-parent.active .dropdown-menu {
        max-height: 300px;
        opacity: 1;
        visibility: visible;
        margin-top: 15px;
    }

    .dropdown-parent.active .dropdown-icon {
        transform: rotate(180deg) !important;
    }

    .nav-links li.dropdown-parent:hover .dropdown-icon {
        transform: none;
    }

    .nav-links li.dropdown-parent.active:hover .dropdown-icon {
        transform: rotate(180deg);
    }

    .nav-links li.dropdown-parent > a {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }

    .dropdown-parent .dropdown-icon {
        font-size: 14px;
        transition: transform 0.3s ease;
    }

    .nav-links li.dropdown-parent.active > a .dropdown-icon {
        transform: rotate(180deg) !important;
    }
}

/* --- Footer --- */
.main-footer {
    background-color: var(--lohas-brand);
    color: #ffffff;
    padding: 40px 0 40px;
    font-family: "PingFang TC", "Helvetica Neue", "Light", sans-serif;
    font-weight: 400;
    letter-spacing: 0.5px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-links {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-columns-wrap {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 40px 36px;
    min-width: 0;
}

.footer-column {
    margin-top: 45px;
    flex: 0 1 auto;
    min-width: 0;
}

.footer-column h3 {
    white-space: nowrap;
}

.footer-column h3 {
    font-size: 16px;
    font-weight: 400;
    margin-bottom: 25px;
    color: #ffffff;
    letter-spacing: 1px;
}

.footer-column ul {
    list-style: none;
    padding: 0;
}

.footer-column ul li {
    margin-bottom: 15px;
}

.footer-column ul li a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 400;
    font-size: 15px;
    transition: color 0.3s;
}

.footer-column ul li a:hover {
    color: #ffffff;
}

.footer-social-wrap {
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 150px;
    margin-right: 40px;
    margin-top: 45px;
    flex-shrink: 0;
}

.social-link {
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 300;
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: 1px;
    transition: opacity 0.3s ease;
}

.social-link:hover {
    opacity: 0.6;
}

.social-link i {
    font-size: 18px;
    width: 20px;
    text-align: center;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--lohas-light);
    font-size: 12px;
    font-weight: 400;
}

/* --- Footer 手機版 --- */
@media screen and (max-width: 768px) {
    .footer-social-wrap {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 15px 10px;
        padding: 10px 0 30px 0;
        margin-right: 0;
        margin-bottom: 10px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        margin-top: 0;
    }

    .social-link {
        justify-content: flex-start;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        flex-wrap: nowrap;
        grid-template-columns: none;
        gap: 0;
    }

    .footer-columns-wrap {
        display: contents;
    }

    .footer-column {
        margin-top: 0;
        min-width: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-column h3 {
        padding: 15px 0;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 0;
    }

    .footer-column h3::after {
        content: '+';
        font-size: 20px;
        transition: transform 0.3s;
    }

    .footer-column ul {
        display: block !important;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease-out;
        opacity: 0;
    }

    .footer-column.active ul {
        max-height: 500px;
        opacity: 1;
        padding-bottom: 20px;
    }

    .footer-column.active h3::after {
        transform: rotate(45deg);
    }
}

/* --- Cookie Banner --- */
.cookie-banner {
    position: fixed;
    bottom: 0;
    transform: translateY(120%);
    left: 0;
    width: 100%;
    background-color: rgba(25, 25, 25, 0.96);
    color: #fff;
    z-index: var(--z-cookie);
    padding: 20px 0;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.3);
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cookie-content p {
    font-size: 13px;
    font-weight: 200;
    letter-spacing: 0.5px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.cookie-content a {
    color: #fff;
    text-decoration: underline;
    transition: opacity 0.3s;
}

.btn-cookie-accept {
    background-color: var(--lohas-brand);
    color: #fff;
    border: none;
    padding: 10px 30px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 400;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.btn-cookie-accept:hover {
    background-color: var(--lohas-hover);
    transform: scale(1.05);
}

@media screen and (max-width: 768px) {
    .cookie-banner {
        padding: 25px 0;
        bottom: 0;
        transform: translateY(120%);
    }

    .cookie-banner.show {
        transform: translateY(0);
    }

    .cookie-container {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .cookie-content p {
        font-size: 12px;
        padding: 0 10px;
    }

    .btn-cookie-accept {
        width: 100%;
        max-width: 280px;
    }
}


/* =============================================
   Hero Banner 共用按鈕基礎樣式
   --------------------------------------------
   index / engraving / gallery 三頁的 hero 都用 .hero-btns 容器
   各頁的 .btn-outline 顏色 (白邊白字 / 黑邊黑字) 由各自的 CSS 定義
   ============================================= */
.hero-btns .btn {
    display: inline-block;
    padding: 12px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 400;
    transition: all 0.3s ease;
    margin: 0;
    font-size: 1rem;
}