/**
 * 金玲巧語 - 禪意首頁樣式
 * 
 * 文件路径：assets/css/index.css
 * 版本：V2.0 - 禪意雅韻·蓮華金玲
 * 建立时间：2025/12/11
 * 
 * 設計理念：
 * - 蓮花粉為主色調，象徵女性柔美與禪意
 * - 皇金點綴，彰顯尊貴吉祥
 * - 竹林、蓮花、明月為意境元素
 * - 東方禪風融合現代設計
 */

/* ===== Google Fonts 引入 ===== */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@1,400;1,600&family=Noto+Serif+TC:wght@400;600;700;900&family=Ma+Shan+Zheng&display=swap');

/* ===== CSS 變數定義 ===== */
:root {
    /* 主色系 - 蓮花粉 */
    --color-lotus-pink: #E8A4B8;
    --color-lotus-dark: #C77B8E;
    --color-lotus-light: #F5D0DC;
    --color-rose: #9B5A6F;
    
    /* 輔助色 - 金色 */
    --color-gold: #D4AF37;
    --color-gold-light: #F0D77B;
    --color-gold-dark: #B8960C;
    
    /* 背景色 - 禪意淡雅 */
    --color-paper: #FFF8F5;
    --color-paper-warm: #FDF5F0;
    --color-cream: #FFFAF7;
    
    /* 文字色 */
    --color-text: #4A3728;
    --color-text-light: #6B5344;
    --color-text-muted: #9B8B7A;
    
    /* 禪意深色 */
    --color-rosewood: #3D2833;
    --color-rosewood-dark: #2D1D25;
    
    /* 字體 */
    --font-chinese: 'Noto Serif TC', 'Ma Shan Zheng', serif;
    --font-cursive: 'Cormorant Garamond', cursive;
    --font-system: 'Noto Sans TC', -apple-system, sans-serif;
    
    /* 間距 */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 60px;
}

/* ===== 全局樣式 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-system);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-paper);
    overflow-x: hidden;
}

/* ===== 頂部導航欄 ===== */
.top-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: linear-gradient(180deg, rgba(200, 123, 142, 0.98) 0%, rgba(155, 90, 111, 0.95) 100%);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(200, 123, 142, 0.25);
    z-index: 1000;
    transition: all 0.3s ease;
}

.top-navbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent 0%, var(--color-gold) 20%, var(--color-gold-light) 50%, var(--color-gold) 80%, transparent 100%);
}

.top-navbar.scrolled {
    height: 60px;
    background: rgba(155, 90, 111, 0.98);
}

.navbar-container {
    max-width: 1400px;
    height: 100%;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-chinese);
    font-size: 26px;
    font-weight: 700;
    color: var(--color-gold);
    text-decoration: none;
    transition: all 0.3s ease;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

.navbar-logo:hover { color: var(--color-gold-light); transform: scale(1.02); }
.logo-icon { font-size: 32px; filter: drop-shadow(1px 1px 2px rgba(0,0,0,0.2)); }

.navbar-right { display: flex; align-items: center; gap: 15px; }

.lang-selector {
    padding: 8px 15px;
    border: 2px solid var(--color-gold);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-gold);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-selector:hover { background: rgba(212, 175, 55, 0.2); }
.lang-selector option { background: var(--color-rosewood); color: white; }

.nav-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 15px;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.nav-link:hover { color: var(--color-gold); background: rgba(255, 255, 255, 0.1); }

.btn-nav {
    padding: 10px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-bazi-free {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: var(--color-rosewood);
    border: 2px solid var(--color-gold-light);
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.btn-bazi-free:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(212, 175, 55, 0.6);
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
}

.btn-login { color: white; border: 2px solid rgba(255, 255, 255, 0.5); background: transparent; }
.btn-login:hover { background: rgba(255, 255, 255, 0.15); border-color: white; }

.btn-register { color: var(--color-rose); background: white; border: 2px solid white; }
.btn-register:hover { background: var(--color-gold); border-color: var(--color-gold); color: var(--color-rosewood); transform: translateY(-2px); }

/* ===== Hero 區域 ===== */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: var(--color-paper);
    color: var(--color-text);
    padding: 100px 20px 60px;
    position: relative;
    overflow: hidden;
}

.hero-bg-landscape {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0.06;
    background-image: 
        radial-gradient(ellipse 150% 60% at 10% 90%, rgba(61, 40, 51, 0.3) 0%, transparent 70%),
        radial-gradient(ellipse 120% 50% at 30% 85%, rgba(61, 40, 51, 0.25) 0%, transparent 60%),
        radial-gradient(ellipse 180% 70% at 70% 95%, rgba(61, 40, 51, 0.28) 0%, transparent 65%),
        radial-gradient(ellipse 80% 30% at 20% 20%, rgba(232, 164, 184, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse 60% 25% at 80% 30%, rgba(232, 164, 184, 0.15) 0%, transparent 45%),
        radial-gradient(ellipse 100% 35% at 50% 15%, rgba(212, 175, 55, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.hero-cloud-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0.03;
    background-image: repeating-radial-gradient(circle at 0 0, transparent 0, var(--color-paper) 10px), repeating-linear-gradient(var(--color-lotus-pink), var(--color-lotus-pink));
    pointer-events: none;
}

.hero-top-border {
    position: absolute;
    top: 70px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--color-gold) 30%, var(--color-gold-light) 50%, var(--color-gold) 70%, transparent 100%);
}

.hero-content { position: relative; z-index: 1; max-width: 900px; }

.taiji-symbol {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-lg);
    animation: gentle-float 6s ease-in-out infinite;
    filter: drop-shadow(0 4px 20px rgba(200, 123, 142, 0.3));
}

.taiji-symbol.paused { animation-play-state: paused; }

@keyframes gentle-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-title {
    font-family: var(--font-chinese);
    font-size: 56px;
    font-weight: 900;
    color: var(--color-lotus-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
    letter-spacing: 8px;
    text-shadow: 2px 2px 4px rgba(200, 123, 142, 0.15);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-family: var(--font-chinese);
    font-size: 24px;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
    letter-spacing: 2px;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-subtitle-secondary {
    font-family: var(--font-chinese);
    font-size: 20px;
    color: var(--color-gold-dark);
    margin-bottom: var(--spacing-xl);
    letter-spacing: 3px;
    animation: fadeInUp 0.8s ease 0.3s backwards;
}

.hero-slogan-english {
    font-family: var(--font-cursive);
    font-size: 42px;
    font-style: italic;
    color: var(--color-lotus-dark);
    margin-top: var(--spacing-lg);
    line-height: 1.4;
    animation: fadeInUp 0.8s ease 0.5s backwards;
    text-shadow: 1px 1px 3px rgba(200, 123, 142, 0.1);
}

.hero-divider {
    width: 150px;
    height: 2px;
    margin: var(--spacing-lg) auto;
    background: linear-gradient(90deg, transparent 0%, var(--color-gold) 20%, var(--color-gold-light) 50%, var(--color-gold) 80%, transparent 100%);
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.bagua-decoration { display: flex; justify-content: center; gap: var(--spacing-md); margin-top: var(--spacing-lg); opacity: 0.6; }
.bagua-symbol { font-size: 28px; color: var(--color-gold); animation: shimmer 3s ease-in-out infinite; }
.bagua-symbol:nth-child(2) { animation-delay: 0.3s; }
.bagua-symbol:nth-child(3) { animation-delay: 0.6s; }
.bagua-symbol:nth-child(4) { animation-delay: 0.9s; }
.bagua-symbol:nth-child(5) { animation-delay: 1.2s; }

/* ===== 影片區域 ===== */
.video-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(180deg, var(--color-paper) 0%, var(--color-paper-warm) 50%, var(--color-paper) 100%);
    position: relative;
}

.video-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent 0%, var(--color-lotus-pink) 20%, var(--color-gold) 50%, var(--color-lotus-pink) 80%, transparent 100%);
}

.video-container { max-width: 1000px; margin: 0 auto; }
.video-header { text-align: center; margin-bottom: var(--spacing-lg); }

.video-title {
    font-family: var(--font-chinese);
    font-size: 36px;
    font-weight: 700;
    color: var(--color-lotus-dark);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 4px;
}

.video-subtitle { font-size: 18px; color: var(--color-text-light); margin-bottom: var(--spacing-md); }
.video-title-decoration { display: flex; align-items: center; justify-content: center; gap: var(--spacing-sm); }
.decoration-line { width: 80px; height: 2px; background: linear-gradient(90deg, transparent, var(--color-gold), transparent); }
.decoration-icon { font-size: 24px; color: var(--color-gold); }

.video-player-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(200, 123, 142, 0.2), 0 0 0 3px var(--color-gold), 0 0 0 6px rgba(200, 123, 142, 0.1);
}

.video-frame-corner { position: absolute; width: 30px; height: 30px; z-index: 10; }
.video-frame-corner.top-left { top: 8px; left: 8px; border-top: 4px solid var(--color-gold); border-left: 4px solid var(--color-gold); }
.video-frame-corner.top-right { top: 8px; right: 8px; border-top: 4px solid var(--color-gold); border-right: 4px solid var(--color-gold); }
.video-frame-corner.bottom-left { bottom: 8px; left: 8px; border-bottom: 4px solid var(--color-gold); border-left: 4px solid var(--color-gold); }
.video-frame-corner.bottom-right { bottom: 8px; right: 8px; border-bottom: 4px solid var(--color-gold); border-right: 4px solid var(--color-gold); }

.video-cta-container { text-align: center; margin-top: var(--spacing-lg); }

.btn-video-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 40px;
    background: linear-gradient(135deg, var(--color-lotus-dark) 0%, var(--color-rose) 100%);
    color: white;
    font-family: var(--font-chinese);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 3px;
    text-decoration: none;
    border-radius: 50px;
    border: 2px solid var(--color-gold);
    box-shadow: 0 6px 25px rgba(200, 123, 142, 0.35);
    transition: all 0.3s ease;
}

.btn-video-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(200, 123, 142, 0.45);
    background: linear-gradient(135deg, var(--color-rose) 0%, var(--color-rosewood) 100%);
}

.btn-video-cta .btn-icon { font-size: 22px; }

/* ===== 底部版權區 ===== */
.site-footer {
    background: linear-gradient(180deg, var(--color-rosewood) 0%, var(--color-rosewood-dark) 100%);
    color: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-lg) var(--spacing-md);
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent 0%, var(--color-gold) 20%, var(--color-gold-light) 50%, var(--color-gold) 80%, transparent 100%);
}

.footer-container { max-width: 1000px; margin: 0 auto; text-align: center; }
.footer-divider { display: flex; align-items: center; justify-content: center; margin-bottom: var(--spacing-md); }
.footer-decoration { font-size: 28px; color: var(--color-gold); padding: 0 var(--spacing-sm); }
.footer-company-info { margin-bottom: var(--spacing-md); }

.footer-brand {
    font-family: var(--font-chinese);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-gold);
    letter-spacing: 4px;
    margin-bottom: var(--spacing-sm);
}

.footer-copyright { font-size: 15px; line-height: 1.8; color: rgba(255, 255, 255, 0.85); }
.footer-copyright strong { color: var(--color-gold-light); font-weight: 600; }

.footer-contact {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-top: 1px solid rgba(212, 175, 55, 0.3);
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
}

.footer-contact-item { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 8px; font-size: 15px; margin: var(--spacing-xs) 0; }
.contact-icon { font-size: 16px; }
.contact-label { color: rgba(255, 255, 255, 0.7); }
.contact-link { color: var(--color-gold); text-decoration: none; transition: color 0.3s ease; }
.contact-link:hover { color: var(--color-gold-light); text-decoration: underline; }
.footer-legal { font-size: 13px; color: rgba(255, 255, 255, 0.6); }

/* ===== 動畫 ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes shimmer { 0% { opacity: 0.6; } 50% { opacity: 1; } 100% { opacity: 0.6; } }

/* ===== 響應式設計 ===== */
@media (max-width: 1024px) {
    .navbar-container { padding: 0 20px; }
    .navbar-right { gap: 10px; }
    .nav-link { display: none; }
    .hero-title { font-size: 44px; letter-spacing: 4px; }
    .hero-slogan-english { font-size: 36px; }
    .video-title { font-size: 30px; }
    .btn-video-cta { padding: 14px 36px; font-size: 18px; }
}

@media (max-width: 768px) {
    .top-navbar { height: 60px; }
    .navbar-logo { font-size: 20px; }
    .logo-icon { font-size: 26px; }
    .btn-nav { padding: 8px 16px; font-size: 13px; }
    .lang-selector { padding: 6px 10px; font-size: 12px; }
    .hero-section { padding: 80px 20px 40px; }
    .taiji-symbol { width: 90px; height: 90px; }
    .hero-title { font-size: 32px; letter-spacing: 3px; }
    .hero-subtitle { font-size: 18px; }
    .hero-subtitle-secondary { font-size: 16px; }
    .hero-slogan-english { font-size: 28px; }
    .bagua-decoration { gap: var(--spacing-sm); }
    .bagua-symbol { font-size: 22px; }
    .video-section { padding: var(--spacing-lg) var(--spacing-sm); }
    .video-title { font-size: 26px; letter-spacing: 3px; }
    .video-subtitle { font-size: 16px; }
    .decoration-line { width: 50px; }
    .video-frame-corner { width: 20px; height: 20px; border-width: 3px !important; }
    .btn-video-cta { padding: 12px 28px; font-size: 16px; letter-spacing: 2px; }
    .footer-brand { font-size: 20px; }
    .footer-copyright { font-size: 14px; }
    .footer-contact-item { font-size: 14px; flex-direction: column; gap: 4px; }
}

@media (max-width: 480px) {
    .navbar-right { gap: 6px; }
    .btn-bazi-free { padding: 6px 12px; font-size: 12px; }
    .btn-login, .btn-register { padding: 6px 12px; font-size: 12px; }
    .hero-title { font-size: 28px; letter-spacing: 2px; }
    .hero-slogan-english { font-size: 24px; }
    .video-title { font-size: 22px; letter-spacing: 2px; }
    .video-subtitle { font-size: 14px; }
    .decoration-line { width: 40px; }
    .decoration-icon { font-size: 20px; }
    .video-player-wrapper { box-shadow: 0 6px 20px rgba(200, 123, 142, 0.15), 0 0 0 2px var(--color-gold); border-radius: 8px; }
    .video-frame-corner { width: 15px; height: 15px; border-width: 2px !important; }
    .btn-video-cta { padding: 10px 24px; font-size: 15px; width: 100%; max-width: 280px; }
    .site-footer { padding: var(--spacing-md) var(--spacing-sm); }
    .footer-brand { font-size: 18px; letter-spacing: 2px; }
    .footer-copyright { font-size: 13px; line-height: 1.6; }
    .footer-contact { padding: var(--spacing-xs) 0; }
    .footer-contact-item { font-size: 13px; }
    .footer-legal { font-size: 12px; }
}

@media (max-height: 500px) and (orientation: landscape) {
    .hero-section { min-height: auto; padding: 80px 20px 40px; }
    .taiji-symbol { width: 60px; height: 60px; margin-bottom: var(--spacing-sm); }
    .hero-title { font-size: 28px; margin-bottom: var(--spacing-sm); }
    .hero-slogan-english { font-size: 24px; margin-top: var(--spacing-sm); }
    .hero-divider { margin: var(--spacing-sm) auto; }
    .bagua-decoration { margin-top: var(--spacing-sm); }
}

@media (prefers-reduced-motion: reduce) {
    .taiji-symbol, .bagua-symbol { animation: none; }
    * { transition-duration: 0.01ms !important; }
}

.footer-minimal { display: none; }