/* =========================================
   CSS variables and Base Styles
   ========================================= */
:root {
    /* Color Palette */
    --clr-purple-dark: #2B1B3D;
    --clr-purple-main: #4A306D;
    --clr-black-charcoal: #1A1A1A;
    --clr-gray-dark: #333333;
    --clr-gray-light: #F4F4F4;
    --clr-white: #FFFFFF;
    --clr-gold-accent: #BFA15F;
    /* Muted gold/silver for accents */
    --clr-silver-accent: #C0C0C0;

    /* Typography */
    --font-serif: 'Noto Serif TC', serif;
    /* For elegant titles */
    --font-sans: 'Noto Sans TC', sans-serif;
    /* For readable body text */

    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-slow: 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);

    /* Spacing */
    --section-padding: 100px 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    /* Offset for fixed navbar */
    box-sizing: border-box;
}

*,
*::before,
*::after {
    box-sizing: inherit;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    color: var(--clr-gray-dark);
    background-color: var(--clr-gray-light);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6,
.logo-text,
.serif-font {
    font-family: var(--font-serif);
    font-weight: 400;
}

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

ul {
    list-style: none;
}

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

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

/* =========================================
   Buttons
   ========================================= */
.btn {
    display: inline-block;
    padding: 12px 32px;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    letter-spacing: 2px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.4s ease;
    text-align: center;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: transparent;
    color: var(--clr-white);
    border: 1px solid var(--clr-white);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: var(--clr-white);
    transition: var(--transition-fast);
    z-index: -1;
}

.btn-primary:hover {
    color: var(--clr-black-charcoal);
}

.btn-primary:hover::before {
    left: 0;
}

/* =========================================
   Animations
   ========================================= */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease, transform 1s ease;
}

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

/* =========================================
   Navbar
   ========================================= */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: padding 0.4s ease, background-color 0.4s ease, backdrop-filter 0.4s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

#navbar.scrolled {
    padding: 15px 0;
    background-color: rgba(43, 27, 61, 0.9);
    /* Dark purple glass */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.nav-container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    color: var(--clr-white);
    letter-spacing: 3px;
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    color: var(--clr-white);
    font-size: 0.95rem;
    letter-spacing: 1.5px;
    position: relative;
    opacity: 0.8;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--clr-gold-accent);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    opacity: 1;
    color: var(--clr-gold-accent);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    color: var(--clr-white);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background-color: var(--clr-purple-dark);
    z-index: 999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transition: right 0.4s cubic-bezier(0.77, 0.2, 0.05, 1.0);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.5);
}

.mobile-menu.active {
    right: 0;
}

.mobile-link {
    color: var(--clr-white);
    font-size: 1.5rem;
    font-family: var(--font-serif);
    letter-spacing: 4px;
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--clr-white);
    overflow: hidden;
    /* Beautiful subtle gradient fallback if no background image */
    background: linear-gradient(135deg, var(--clr-black-charcoal) 0%, var(--clr-purple-dark) 100%);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    /* Parallax effect */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Dark gradient overlay for readability and solemn feel */
    background: linear-gradient(to bottom, rgba(26, 26, 26, 0.7) 0%, rgba(43, 27, 61, 0.6) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-subtitle {
    font-size: 1.2rem;
    letter-spacing: 8px;
    margin-bottom: 20px;
    color: var(--clr-gold-accent);
    text-transform: uppercase;
    font-weight: 300;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 600;
    letter-spacing: 12px;
    margin-bottom: 30px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    margin-left: 12px;
    /* Offset for letter spacing centering */
}

.hero-description {
    font-size: 1.1rem;
    font-weight: 300;
    letter-spacing: 2px;
    line-height: 2;
    margin-bottom: 50px;
    opacity: 0.9;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.scroll-indicator:hover {
    opacity: 1;
}

.scroll-indicator span {
    font-size: 0.8rem;
    letter-spacing: 2px;
    margin-top: 10px;
    text-transform: uppercase;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--clr-white);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background-color: var(--clr-white);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        transform: translate(-50%, 0);
        opacity: 1;
    }

    100% {
        transform: translate(-50%, 15px);
        opacity: 0;
    }
}

/* =========================================
   Media Queries
   ========================================= */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .hero-title {
        font-size: 3rem;
        letter-spacing: 8px;
        margin-left: 8px;
    }

    .hero-subtitle {
        font-size: 1rem;
        letter-spacing: 6px;
    }

    .hero-description {
        font-size: 1rem;
    }
}

/* =========================================
   Common Utility Classes
   ========================================= */
.section-padding {
    padding: var(--section-padding);
}

.text-center {
    text-align: center;
}

.section-title {
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--clr-purple-dark);
    letter-spacing: 5px;
    margin-bottom: 15px;
}

.title-line {
    width: 60px;
    height: 3px;
    background-color: var(--clr-gold-accent);
    margin: 0 auto;
}

.section-subtitle {
    margin-top: 15px;
    font-size: 1.1rem;
    color: #666;
    letter-spacing: 2px;
}

/* =========================================
   About Section
   ========================================= */
.about {
    background-color: var(--clr-white);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--clr-purple-main);
    margin-bottom: 25px;
    letter-spacing: 3px;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--clr-gray-dark);
    margin-bottom: 20px;
    line-height: 1.8;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-item {
    padding: 20px;
    background: var(--clr-gray-light);
    border-radius: 8px;
    transition: transform var(--transition-fast);
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-item i {
    font-size: 2rem;
    color: var(--clr-gold-accent);
    margin-bottom: 15px;
}

.feature-item h4 {
    font-size: 1.1rem;
    color: var(--clr-purple-dark);
    letter-spacing: 1px;
}

/* =========================================
   Services Section
   ========================================= */
.services {
    background-color: var(--clr-gray-light);
}

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

.service-card {
    background-color: var(--clr-white);
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    border-top: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    border-top: 4px solid var(--clr-gold-accent);
}

.card-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(191, 161, 95, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    color: var(--clr-gold-accent);
    font-size: 1.5rem;
    transition: all 0.4s ease;
}

.service-card:hover .card-icon {
    background-color: var(--clr-gold-accent);
    color: var(--clr-white);
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--clr-purple-dark);
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.service-card p {
    color: #666;
    margin-bottom: 25px;
    line-height: 1.7;
}

.service-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    color: var(--clr-gray-dark);
}

.service-list li i {
    color: var(--clr-gold-accent);
    margin-right: 10px;
    font-size: 0.9rem;
}

/* =========================================
   Contact Section
   ========================================= */
.contact {
    background-color: var(--clr-white);
}

.contact-wrapper {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
}

.contact-card {
    flex: 1;
    min-width: 250px;
    max-width: 350px;
    background: var(--clr-gray-light);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    transition: transform var(--transition-fast);
}

.contact-card:hover {
    transform: translateY(-5px);
}

.contact-icon {
    font-size: 2.5rem;
    color: var(--clr-gold-accent);
    margin-bottom: 20px;
}

.contact-card h3 {
    font-size: 1.3rem;
    color: var(--clr-purple-dark);
    margin-bottom: 15px;
}

.highlight-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--clr-purple-main);
    margin-bottom: 15px;
}

.btn-outline {
    display: inline-block;
    padding: 10px 25px;
    margin-top: 15px;
    border: 1px solid var(--clr-gold-accent);
    color: var(--clr-gold-accent);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background-color: var(--clr-gold-accent);
    color: var(--clr-white);
}

/* =========================================
   Location Section
   ========================================= */
.location {
    background-color: var(--clr-gray-light);
}

.location-content {
    display: flex;
    flex-wrap: wrap;
    background: var(--clr-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.location-info {
    flex: 1;
    min-width: 300px;
    padding: 50px 40px;
}

.location-info h3 {
    font-size: 1.5rem;
    color: var(--clr-purple-dark);
    margin-bottom: 25px;
}

.info-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--clr-gray-dark);
}

.info-list li i {
    color: var(--clr-gold-accent);
    margin-top: 5px;
    margin-right: 15px;
    font-size: 1.2rem;
    min-width: 20px;
    text-align: center;
}

.map-container {
    flex: 1.5;
    min-width: 300px;
    min-height: 400px;
}

@media (max-width: 768px) {
    .location-content {
        flex-direction: column;
    }

    .map-container {
        min-height: 300px;
    }
}

/* =========================================
   Footer
   ========================================= */
.footer {
    background-color: var(--clr-purple-dark);
    color: var(--clr-white);
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
    color: var(--clr-gold-accent);
    letter-spacing: 3px;
    margin-top: 5px;
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--clr-white);
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background-color: var(--clr-gold-accent);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

@media (max-width: 576px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
}