/* 
 * 金材 KINZAI 網站樣式
 * 木質金色主題設計
 */

/* ==========================================================================
   CSS Variables (自定義屬性)
   ========================================================================== */
:root {
    /* 核心色彩 — 以白色為主的中性配色 */
    --primary-wood: #1F2937;          /* 主要深色（取代原木色，作為標題/重點字色） */
    --secondary-wood: #374151;        /* 次要深色 */
    --light-wood: #6B7280;            /* 中性色（替代原淺木色） */
    --very-light-wood: #F9FAFB;       /* 近白背景 */

    /* 金色系（作為點綴保留，略為柔和） */
    --primary-gold: #C7A047;
    --light-gold: #EBD38B;
    --dark-gold: #9E7E2B;
    --accent-gold: #F1C40F;

    /* 中性色 */
    --white: #FFFFFF;
    --cream: #FFFFFF;                 /* 全站主背景改白色 */
    --warm-gray: #F3F4F6;             /* 淺灰背景 */
    --charcoal: #111827;              /* 深灰文字 */
    --light-gray: #E5E7EB;
    --border-color: #E5E7EB;
    
    /* 功能色 */
    --success: #28A745;
    --warning: #FFC107;
    --danger: #DC3545;
    --info: #17A2B8;
    
    /* 陰影 */
    --shadow-light: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-medium: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-heavy: 0 8px 16px rgba(0,0,0,0.2);
    --shadow-wood: 0 4px 12px rgba(139,69,19,0.2);
    
    /* 間距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* 邊框半徑 */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* 字體 */
    --font-primary: 'Noto Sans TC', sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* 過渡動畫 */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ==========================================================================
   基礎樣式
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--charcoal);
    background-color: var(--cream);
    font-size: 16px;
    overflow-x: hidden;
}

/* 防止圖片載入錯誤造成的破版 */
img {
    max-width: 100%;
    height: auto;
}

/* Logo 佔位符樣式 */
.logo-img {
    background: linear-gradient(135deg, var(--primary-gold), var(--light-gold));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: bold;
    text-align: center;
    border-radius: var(--border-radius-sm);
}

/* 選取文字樣式 */
::selection {
    background: var(--light-gold);
    color: var(--primary-wood);
}

::-moz-selection {
    background: var(--light-gold);
    color: var(--primary-wood);
}

/* 滾動條樣式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--warm-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-gold);
    border-radius: var(--border-radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-gold);
}

/* ==========================================================================
   Typography 字體排版
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-wood);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--primary-gold);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--dark-gold);
    text-decoration: underline;
}

/* ==========================================================================
   Button 按鈕樣式
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition-medium);
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-gold), var(--dark-gold));
    color: var(--white);
    border-color: var(--primary-gold);
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--dark-gold), var(--primary-gold));
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
    color: var(--white);
    text-decoration: none;
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-wood);
    border-color: var(--primary-wood);
}

.btn-secondary:hover {
    background: var(--primary-wood);
    color: var(--white);
    text-decoration: none;
}

.btn-outline {
    background: transparent;
    color: var(--primary-gold);
    border-color: var(--primary-gold);
}

.btn-outline:hover {
    background: var(--primary-gold);
    color: var(--white);
    text-decoration: none;
}

/* Button sizes */
.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 18px;
}

/* ==========================================================================
   Header 頁首樣式
   ========================================================================== */
.header-section {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: 0 1px 0 var(--border-color);
    transition: var(--transition-medium);
}

.header-section.scrolled {
    box-shadow: var(--shadow-heavy);
}

/* Top Bar */
.top-bar {
    background: linear-gradient(135deg, var(--primary-wood), var(--secondary-wood));
    color: var(--white);
    padding: 8px 0;
    font-size: 14px;
}

.contact-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.contact-info span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.contact-info a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition-fast);
}

.contact-info a:hover {
    color: var(--light-gold);
    text-decoration: none;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(255,255,255,0.1);
    color: var(--white);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-gold);
    color: var(--white);
    transform: translateY(-2px);
    text-decoration: none;
}

/* Main Navigation */
.navbar {
    padding: var(--spacing-sm) 0;
    background: var(--white);
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-wood);
    text-decoration: none;
}

.navbar-brand:hover {
    text-decoration: none;
    color: var(--primary-wood);
}

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

.logo-text h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
    color: var(--primary-wood);
}

.logo-text p {
    font-size: 0.9rem;
    color: var(--primary-gold);
    margin: 0;
    font-style: italic;
}

/* Navigation Links */
.navbar-nav .nav-link {
    color: var(--charcoal);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    margin: 0 4px;
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 6px;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    background: var(--warm-gray);
    color: var(--primary-wood);
    text-decoration: none;
}

.navbar-nav .nav-link i {
    font-size: 14px;
}

/* Dropdown Menu */
.dropdown-menu {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-medium);
    padding: var(--spacing-sm);
    margin-top: 8px;
}

.dropdown-item {
    color: var(--charcoal);
    padding: 8px var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--very-light-wood);
    color: var(--primary-wood);
}

/* Header CTA Button */
.header-cta .btn {
    font-size: 14px;
    padding: 8px 16px;
}

/* Mobile Menu Toggle */
.navbar-toggler {
    border: none;
    background: none;
    font-size: 1.2rem;
    color: var(--primary-wood);
    padding: 4px 8px;
}

.navbar-toggler:focus {
    box-shadow: none;
    outline: 2px solid var(--primary-gold);
}

/* 隱藏Bootstrap預設的toggler icon，使用FontAwesome圖標 */
.navbar-toggler-icon {
    background-image: none !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

.navbar-toggler-icon i { font-size: 1.2rem; color: var(--primary-wood); }

/* ==========================================================================
   Page Headers 內頁標題區域（不改變區塊高度，文字下移且垂直置中）
   ========================================================================== */
.page-header .container,
.product-header .container,
.contact-header .container {
	display: flex;
	align-items: center; /* 垂直置中 */
	justify-content: center; /* 水平置中 */
}

.page-header .container .page-title,
.page-header .container .page-breadcrumb,
.product-header .container .page-title,
.product-header .container .page-breadcrumb,
.contact-header .container .page-title,
.contact-header .container .page-breadcrumb {
	width: 100%;
	transform: translateY(12px); /* 視覺下移，不影響排版高度 */
	text-align: center; /* 水平置中文本 */
}

@media (max-width: 767.98px) {
	.page-header .container .page-title,
	.page-header .container .page-breadcrumb,
	.product-header .container .page-title,
	.product-header .container .page-breadcrumb,
	.contact-header .container .page-title,
	.contact-header .container .page-breadcrumb {
		transform: translateY(8px);
	}
}

/* ==========================================================================
   Footer 頁尾樣式
   ========================================================================== */
.footer-section {
    background: var(--very-light-wood);
    color: var(--charcoal);
    padding: var(--spacing-xl) 0 var(--spacing-sm) 0;
    position: relative;
    border-top: 1px solid var(--border-color);
}

.footer-section::before { content: none; }

.footer-widget {
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

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

.footer-logo h3 {
    color: var(--primary-wood);
    font-size: 1.5rem;
    margin: 0;
}

.footer-desc {
    color: #4B5563;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.footer-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-rating .stars { color: var(--primary-gold); }

.footer-rating span { font-size: 14px; color: #6B7280; }

/* Footer Widget Titles */
.footer-widget h4,
.footer-widget h5 {
    color: var(--primary-wood);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-bottom: 8px;
}

.footer-widget h4::after,
.footer-widget h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--primary-gold);
}

/* Contact List */
.contact-list {
    list-style: none;
    padding: 0;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding: 8px 0;
}

.contact-list i {
    color: var(--primary-gold);
    font-size: 16px;
    margin-top: 2px;
    min-width: 20px;
}

.contact-list strong {
    display: block;
    color: var(--primary-wood);
    font-size: 14px;
    margin-bottom: 2px;
}

.contact-list span,
.contact-list a {
    color: #4B5563;
    font-size: 14px;
}

.contact-list a:hover { color: var(--primary-gold); text-decoration: none; }

/* Footer Links */
.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: #4B5563;
    font-size: 14px;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-wood);
    text-decoration: none;
    padding-left: 4px;
}

/* Social Media */
.social-links-alt {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 12px;
    background: var(--warm-gray);
    border-radius: var(--border-radius-md);
    color: var(--charcoal);
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--primary-gold);
    color: var(--white);
    text-decoration: none;
    transform: translateY(-2px);
}

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

/* Service Features */
.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    color: rgba(255,255,255,0.9);
    font-size: 14px;
}

.feature-list i {
    color: var(--accent-gold);
    font-size: 12px;
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-sm);
}

.copyright { color: #6B7280; font-size: 14px; margin: 0; }

.footer-payment { color: #6B7280; font-size: 14px; }

/* ==========================================================================
   Float Buttons 浮動按鈕
   ========================================================================== */
.back-to-top,
.whatsapp-float,
.phone-float {
    position: fixed;
    z-index: 999;
    transition: var(--transition-medium);
}

.back-to-top {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--primary-gold);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-medium);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--dark-gold);
    transform: translateY(-3px);
}

.whatsapp-float {
    bottom: 80px;
    right: 20px;
}

.line-btn,
.phone-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--success);
    color: var(--white);
    border-radius: 25px;
    box-shadow: var(--shadow-medium);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition-medium);
}

.line-btn {
    background: #00C300;
}

.phone-btn {
    background: var(--primary-gold);
}

.phone-float {
    bottom: 140px;
    right: 20px;
}

.line-btn:hover,
.phone-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
    color: var(--white);
    text-decoration: none;
}

.line-btn span,
.phone-btn span {
    display: none;
}

/* ==========================================================================
   Utility Classes 工具類別
   ========================================================================== */
.text-wood { color: var(--primary-wood) !important; }
.text-gold { color: var(--primary-gold) !important; }
.text-white { color: var(--white) !important; }

.bg-wood { background-color: var(--primary-wood) !important; }
.bg-gold { background-color: var(--primary-gold) !important; }
.bg-cream { background-color: var(--cream) !important; }

.shadow-wood { box-shadow: var(--shadow-wood) !important; }

.border-gold { border-color: var(--primary-gold) !important; }
.border-wood { border-color: var(--primary-wood) !important; }

/* Spacing utilities */
.mt-section { margin-top: var(--spacing-xl); }
.mb-section { margin-bottom: var(--spacing-xl); }
.pt-section { padding-top: var(--spacing-xl); }
.pb-section { padding-bottom: var(--spacing-xl); }

/* ==========================================================================
   Responsive Design 響應式設計
   ========================================================================== */
@media (max-width: 991.98px) {
    .navbar-nav {
        padding-top: var(--spacing-sm);
        background: var(--white);
        border-radius: var(--border-radius-md);
        box-shadow: var(--shadow-medium);
        margin-top: var(--spacing-sm);
    }
    
    .header-cta {
        margin-top: var(--spacing-sm);
    }
    
    .line-btn span,
    .phone-btn span {
        display: inline;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
}

@media (max-width: 767.98px) {
    .contact-info {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-bottom {
        text-align: center;
    }
    
    .footer-payment {
        text-align: center !important;
        margin-top: var(--spacing-sm);
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
}

@media (max-width: 575.98px) {
    .top-bar {
        display: none;
    }
    
    .logo-text h1 {
        font-size: 1.5rem;
    }
    
    .logo-text p {
        font-size: 0.8rem;
    }
    
    .btn {
        padding: 10px 16px;
        font-size: 14px;
    }
}

/* ==========================================================================
   Section Dividers 區塊陰影分隔
   ========================================================================== */
/* 僅在相鄰兩個 .section-padding 之間加入上緣陰影，營造分隔層次 */
.section-padding + .section-padding { position: relative; }
.section-padding + .section-padding::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 1px; /* 不影響排版高度 */
	box-shadow: 0 -10px 20px rgba(0,0,0,0.06);
	pointer-events: none;
}

/* ==========================================================================
   Animation 動畫效果
   ========================================================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.slide-in {
    animation: slideIn 0.6s ease forwards;
}

/* Hover effects */
.hover-lift {
    transition: var(--transition-medium);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
}

.hover-gold {
    transition: var(--transition-fast);
}

.hover-gold:hover {
    color: var(--primary-gold);
}