/* Design Tokens */
:root {
    --color-bg-primary: #FDFBF7;
    --color-bg-secondary: #FFF9E6;
    --color-text-main: #4A3F35;
    --color-text-muted: #8A7A6B;
    --color-accent: #D4A373;
    --color-accent-hover: #C28E5B;
    --color-white: #FFFFFF;
    
    --font-main: 'Noto Sans TC', sans-serif;
    
    --transition-fast: 0.3s ease;
    --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    
    --shadow-sm: 0 4px 12px rgba(74, 63, 53, 0.05);
    --shadow-md: 0 8px 24px rgba(74, 63, 53, 0.08);
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg-primary);
    color: var(--color-text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-padding {
    padding: 100px 0;
}

.text-center {
    text-align: center;
}
.mt-4 {
    margin-top: 2rem;
}

/* Typography */
h1, h2, h3 {
    font-weight: 500;
    color: var(--color-text-main);
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.2;
    letter-spacing: 2px;
}

h2 {
    font-size: clamp(2rem, 3vw, 2.5rem);
    letter-spacing: 1px;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title .line {
    width: 60px;
    height: 2px;
    background-color: var(--color-accent);
    margin: 1rem auto;
}

.section-title p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

/* Buttons */
.btn-primary, .btn-large, .btn-secondary {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 500;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(212, 163, 115, 0.4);
}

.btn-large {
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 16px 48px;
    font-size: 1.2rem;
}

.btn-large:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(212, 163, 115, 0.4);
}

.btn-secondary {
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    background: transparent;
}

.btn-secondary:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

/* Navbar (Glassmorphism) */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-fast);
}

.navbar.scrolled {
    padding: 15px 0;
    background: rgba(253, 251, 247, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-text-main);
}

.navbar:not(.scrolled) .logo,
.navbar:not(.scrolled) .nav-links a:not(.btn-primary) {
    color: var(--color-white);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a:not(.btn-primary) {
    font-weight: 500;
    position: relative;
}

.nav-links a:not(.btn-primary)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition-fast);
}

.nav-links a:not(.btn-primary):hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    animation: zoomInOut 20s infinite alternate linear;
}

@keyframes zoomInOut {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(74, 63, 53, 0.4), rgba(212, 163, 115, 0.2));
}

.hero-content {
    color: var(--color-white);
    z-index: 1;
    max-width: 800px;
    padding: 0 20px;
}

.hero-content h1 {
    color: var(--color-white);
    text-shadow: 0 4px 10px rgba(0,0,0,0.3);
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    text-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

.rounded {
    border-radius: 12px;
}

.shadow {
    box-shadow: var(--shadow-md);
}

/* Services Section */
.services {
    background-color: var(--color-bg-secondary);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.service-card {
    background: var(--color-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.card-image {
    height: 240px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.service-card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-content h3 {
    margin-bottom: 15px;
    color: var(--color-accent);
}

.card-content p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
    flex-grow: 1;
}

.price {
    font-weight: 700;
    color: var(--color-text-main);
    font-size: 1.1rem;
}

/* Footer */
.footer {
    background-color: var(--color-text-main);
    color: var(--color-white);
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3, .footer-contact h4 {
    color: var(--color-white);
    margin-bottom: 15px;
}

.footer-brand p, .footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* In a real app, we'd add a hamburger menu */
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
    }
}