/* Spa Lux - Premium Styles */
:root {
    --color-gold: #BFA574;
    /* Richer, more elegant gold */
    --color-gold-light: #D4C5A0;
    --color-black: #0A0A0A;
    /* Deep black */
    --color-dark-gray: #141414;
    --color-white: #F5F5F5;
    /* Off-white for better readability */
    --color-text-gray: #B0B0B0;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-black);
    color: var(--color-white);
    line-height: 1.8;
    /* Increased line height for elegance */
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--color-gold);
    letter-spacing: 0.5px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.4s ease;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 40px;
    border: 1px solid var(--color-gold);
    color: var(--color-gold);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.4s ease;
    background: transparent;
    position: relative;
    overflow: hidden;
}

.btn:hover {
    background-color: var(--color-gold);
    color: var(--color-black);
    box-shadow: 0 0 20px rgba(191, 165, 116, 0.3);
}

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

.btn-primary:hover {
    background-color: var(--color-gold-light);
    transform: translateY(-2px);
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: #181818;
    /* Matched to logo background */
    padding: 20px 0;
    border-bottom: 1px solid rgba(191, 165, 116, 0.15);
    transition: padding 0.3s ease;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 60px;
    /* Slightly larger logo */
    transition: transform 0.3s ease;
}

.logo:hover img {
    transform: scale(1.05);
}

.main-nav ul {
    display: flex;
    gap: 40px;
}

.main-nav a {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-white);
    position: relative;
}

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

.main-nav a:hover::after {
    width: 100%;
}

.main-nav a:hover {
    color: var(--color-gold);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 25px;
}

.lang-switcher {
    position: relative;
}

.current-lang {
    background: none;
    border: 1px solid rgba(191, 165, 116, 0.5);
    color: var(--color-gold);
    padding: 8px 15px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.current-lang:hover {
    border-color: var(--color-gold);
    background-color: rgba(191, 165, 116, 0.1);
}

.lang-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--color-dark-gray);
    border: 1px solid var(--color-gold);
    min-width: 140px;
    z-index: 1001;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.lang-switcher:hover .lang-dropdown {
    display: block;
    animation: fadeIn 0.3s ease;
}

.lang-dropdown a {
    display: block;
    padding: 12px 20px;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--color-text-gray);
}

.lang-dropdown a:hover {
    background-color: rgba(191, 165, 116, 0.1);
    color: var(--color-gold);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-gold);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../assets/images/hero_spalux_main.png') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 100px;
    position: relative;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

.hero-content h2 {
    font-family: var(--font-body);
    font-size: 1.1rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: var(--color-gold);
}

.hero-content h1 {
    font-size: 4.5rem;
    margin-bottom: 30px;
    color: var(--color-white);
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
}

/* Sections */
.section {
    padding: 120px 0;
    /* Increased padding */
}

.section-header {
    margin-bottom: 70px;
    position: relative;
}

.sub-title {
    display: block;
    font-family: var(--font-body);
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.85rem;
    margin-bottom: 15px;
}

.section-header h2 {
    font-size: 3rem;
    color: var(--color-white);
    font-weight: 400;
}

.separator {
    width: 80px;
    height: 2px;
    background-color: var(--color-gold);
    margin: 30px auto 0;
    position: relative;
}

.separator::after {
    content: '♦';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--color-black);
    padding: 0 10px;
    color: var(--color-gold);
    font-size: 1.2rem;
}

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

.mt-4 {
    margin-top: 3rem;
}

/* About */
.about-text p {
    font-size: 1.1rem;
    color: var(--color-text-gray);
    max-width: 800px;
    margin: 0 auto 20px;
    line-height: 2;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.service-card {
    background-color: var(--color-dark-gray);
    padding: 40px;
    border: 1px solid rgba(191, 165, 116, 0.1);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(191, 165, 116, 0.3);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    font-size: 2rem;
    color: var(--color-gold);
    margin-bottom: 25px;
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.6rem;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--color-text-gray);
    margin-bottom: 25px;
}

.price-list {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 20px;
}

.price-list div {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 1rem;
    color: var(--color-white);
}

.old-price {
    text-decoration: line-through;
    color: #666;
    font-size: 0.9rem;
    margin-left: 10px;
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 50px;
}

.gallery-item {
    height: 300px;
    overflow: hidden;
    border-radius: 2px;
    position: relative;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
    filter: brightness(0.8);
}

.gallery-item:hover img {
    transform: scale(1.1);
    filter: brightness(1);
}

/* Footer */
.footer {
    background-color: #050505;
    padding: 80px 0 30px;
    border-top: 1px solid rgba(191, 165, 116, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
    margin-bottom: 60px;
}

.footer-col h3 {
    font-size: 2rem;
    margin-bottom: 25px;
    letter-spacing: 2px;
}

.footer-col h4 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    color: var(--color-white);
    font-weight: 400;
}

.footer-col p {
    color: var(--color-text-gray);
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.social-links {
    margin-top: 30px;
    display: flex;
    gap: 20px;
}

.social-links a {
    width: 45px;
    height: 45px;
    border: 1px solid rgba(191, 165, 116, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gold);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--color-gold);
    color: var(--color-black);
    border-color: var(--color-gold);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: #555;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

/* Floating Buttons */
.floating-buttons {
    position: fixed;
    bottom: 40px;
    right: 40px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

.float-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 26px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    padding: 0;
}

.float-btn:hover {
    transform: scale(1.1) translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.zalo img {
    width: 35px;
}

.zalo {
    background-color: #0068FF;
}

.kakao {
    background-color: #FEE500;
    color: #3C1E1E;
}

.whatsapp {
    background-color: #25D366;
}

.wechat {
    background-color: #7BB32E;
}

/* QR Modal */
.qr-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
}

.qr-content {
    background-color: var(--color-dark-gray);
    padding: 40px;
    border: 1px solid var(--color-gold);
    border-radius: 10px;
    text-align: center;
    position: relative;
    max-width: 90%;
    width: 400px;
    box-shadow: 0 0 50px rgba(191, 165, 116, 0.2);
    animation: fadeIn 0.3s ease;
}

.close-modal {
    position: absolute;
    top: 10px;
    right: 20px;
    color: var(--color-text-gray);
    font-size: 30px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

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

.qr-content h3 {
    margin-bottom: 20px;
    color: var(--color-gold);
}

.qr-content img {
    width: 100%;
    max-width: 300px;
    border: 10px solid white;
    border-radius: 5px;
    margin-bottom: 15px;
}

.qr-content p {
    color: var(--color-text-gray);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-black);
        padding: 30px;
        border-bottom: 1px solid var(--color-gold);
    }

    .main-nav.active {
        display: block;
        animation: fadeIn 0.3s ease;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }

    .section-header h2 {
        font-size: 2.2rem;
    }

    .section {
        padding: 80px 0;
    }

    .floating-buttons {
        bottom: 20px;
        right: 20px;
    }

    .float-btn {
        width: 45px;
        height: 45px;
        font-size: 20px;
    }

    .float-btn {
        width: 45px;
        height: 45px;
        font-size: 20px;
    }
}

/* FAQ Section */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--color-dark-gray);
    border: 1px solid rgba(191, 165, 116, 0.2);
    margin-bottom: 20px;
    border-radius: 5px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active {
    border-color: var(--color-gold);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.faq-question {
    padding: 20px 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
    color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.02);
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: rgba(191, 165, 116, 0.05);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--color-gold);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background-color: rgba(0, 0, 0, 0.2);
}

.faq-answer p {
    padding: 25px;
    color: var(--color-text-gray);
    font-size: 1rem;
    line-height: 1.6;
    border-top: 1px solid rgba(191, 165, 116, 0.1);
}

.faq-answer strong {
    color: var(--color-gold);
}