/* CSS Reset and Base Styles */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #1a1a2e;
    --color-secondary: #16213e;
    --color-accent: #c9a962;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-white: #ffffff;
    --color-bg: #fafafa;
    --color-line: #e0e0e0;
    
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    --transition: all 0.3s ease;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    color: var(--color-text);
    background-color: var(--color-white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.3;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    letter-spacing: 0.02em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.25rem;
    font-weight: 500;
}

p {
    font-size: 1.1rem;
    color: var(--color-text-light);
}

/* Language Switcher */
.language-switcher {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-line);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.lang-btn {
    background: none;
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-light);
    cursor: pointer;
    transition: var(--transition);
}

.lang-btn:hover,
.lang-btn.active {
    color: var(--color-primary);
}

.lang-btn.active {
    background: var(--color-bg);
}

.lang-divider {
    color: var(--color-line);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c9a962' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: var(--spacing-md);
}

.hero h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.tagline {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-style: italic;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.hero-line {
    width: 100px;
    height: 2px;
    background: var(--color-accent);
    margin: 0 auto;
}

/* Introduction Section */
.intro {
    padding: var(--spacing-xl) 0;
    text-align: center;
    border-bottom: 1px solid var(--color-line);
}

.intro h2 {
    position: relative;
    display: inline-block;
}

.intro h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: var(--color-accent);
}

.intro p {
    max-width: 700px;
    margin: var(--spacing-md) auto 0;
    font-size: 1.2rem;
}

/* Services Section */
.services {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

.services h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    text-align: center;
    border: 1px solid var(--color-line);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.service-card p {
    font-size: 1rem;
}

/* Destinations Section */
.destinations {
    padding: var(--spacing-xl) 0;
}

.destinations h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.destinations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.destination-card {
    position: relative;
    overflow: hidden;
    background: var(--color-white);
    border: 1px solid var(--color-line);
    transition: var(--transition);
}

.destination-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.destination-image {
    height: 200px;
    background-size: cover;
    background-position: center;
}

.destination-card h3,
.destination-card p {
    padding: 0 var(--spacing-sm);
}

.destination-card h3 {
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.destination-card p {
    padding-bottom: var(--spacing-sm);
    font-size: 0.95rem;
}

/* CTA Section */
.cta {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.cta-box {
    text-align: center;
    padding: var(--spacing-lg);
    border: 2px solid var(--color-accent);
    max-width: 600px;
    margin: 0 auto;
}

.cta h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.cta p {
    color: rgba(255, 255, 255, 0.8);
}

.cta-phone {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-accent);
    color: var(--color-primary);
    text-decoration: none;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    transition: var(--transition);
}

.cta-phone:hover {
    background: var(--color-white);
    transform: scale(1.05);
}

.phone-icon {
    font-size: 1.25rem;
}

.cta-subtitle {
    font-size: 1rem;
    font-style: italic;
}

/* Footer */
footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand h3 {
    color: var(--color-white);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
}

.footer-contact h4 {
    color: var(--color-accent);
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.footer-bottom {
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .language-switcher {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }
    
    .services-grid,
    .destinations-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-box {
        padding: var(--spacing-md);
    }
    
    .cta-phone {
        font-size: 1.25rem;
        padding: var(--spacing-sm);
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* Animation for language switch */
[data-en], [data-zh] {
    transition: opacity 0.2s ease;
}

.lang-switching [data-en],
.lang-switching [data-zh] {
    opacity: 0;
}