:root {
    --forest-green: #1F2D21;
    --matcha: #4A634E;
    --bamboo: #C4A484;
    --stone: #F9F7F2;
    --charcoal: #121212;
    --text-dark: #2C2C2C;
    --text-light: #F5F5F5;
    --gold: #C5A059;
    
    --serif: 'Cormorant', serif;
    --sans: 'Montserrat', sans-serif;
    
    --transition: all 0.8s cubic-bezier(0.23, 1, 0.32, 1);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --glass: rgba(255, 255, 255, 0.7);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--stone);
    background-image: url('https://www.transparenttextures.com/patterns/natural-paper.png');
    color: var(--text-dark);
    font-family: var(--sans);
    line-height: 1.7;
    overflow-x: hidden;
    letter-spacing: -0.01em;
}

/* Vietnamese Heritage Seal */
.vietnamese-seal {
    position: absolute;
    top: 150px;
    right: 80px;
    width: 80px;
    height: 80px;
    border: 2px solid var(--gold);
    color: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--serif);
    font-size: 24px;
    z-index: 10;
    opacity: 0.8;
    transform: rotate(5deg);
    pointer-events: none;
}

.vietnamese-seal::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 1px solid var(--gold);
}

h1, h2, h3, .logo {
    font-family: var(--serif);
    font-weight: 500;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.eyebrow {
    display: block;
    font-size: 14px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--matcha);
    margin-bottom: 20px;
}

.section-title {
    font-size: 56px;
    line-height: 1.1;
    margin-bottom: 30px;
    color: var(--forest-green);
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 40px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: var(--glass);
    padding: 20px 0;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 80px;
}

.logo {
    font-size: 24px;
    letter-spacing: 6px;
    color: var(--forest-green);
}

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--forest-green);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
    transition: var(--transition);
}

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

.cta-nav {
    background: var(--forest-green);
    color: white !important;
    padding: 12px 24px;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    background-image: url('https://images.unsplash.com/photo-1544644853-7bd4b3fa3940?auto=format&fit=crop&q=80&w=2000');
    background-color: var(--forest-green);
    background-size: cover;
    background-position: center;
    color: white;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.4) 50%, rgba(0,0,0,0) 100%);
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background-image: url('https://images.unsplash.com/photo-1518173946687-a4c8892bbd9f?auto=format&fit=crop&q=80&w=1000');
    background-size: cover;
    opacity: 0.1;
    mix-blend-mode: multiply;
}

/* Lantern Styles */
.lantern-string {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-around;
    padding: 20px 100px;
    z-index: 5;
    pointer-events: none;
}

.lantern-streamer {
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 60px;
}

.lantern {
    width: 40px;
    height: 60px;
    background-size: contain;
    background-repeat: no-repeat;
    animation: sway 4s ease-in-out infinite;
    transform-origin: top center;
    filter: drop-shadow(0 5px 15px rgba(0,0,0,0.3));
}

.lantern.red {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 150'%3E%3Cellipse cx='50' cy='65' rx='35' ry='50' fill='%23C0392B'/%3E%3Crect x='30' y='10' width='40' height='12' fill='%23333'/%3E%3Crect x='30' y='110' width='40' height='12' fill='%23333'/%3E%3Cpath d='M50 122 v20' stroke='%23C0392B' stroke-width='4'/%3E%3C/svg%3E");
}

.lantern.gold {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 150'%3E%3Cellipse cx='50' cy='65' rx='35' ry='50' fill='%23F1C40F'/%3E%3Crect x='30' y='10' width='40' height='12' fill='%23333'/%3E%3Crect x='30' y='110' width='40' height='12' fill='%23333'/%3E%3Cpath d='M50 122 v20' stroke='%23F1C40F' stroke-width='4'/%3E%3C/svg%3E");
}

.lantern.green {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 150'%3E%3Cellipse cx='50' cy='65' rx='35' ry='50' fill='%2327AE60'/%3E%3Crect x='30' y='10' width='40' height='12' fill='%23333'/%3E%3Crect x='30' y='110' width='40' height='12' fill='%23333'/%3E%3Cpath d='M50 122 v20' stroke='%2327AE60' stroke-width='4'/%3E%3C/svg%3E");
}

.lantern.purple {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 150'%3E%3Cellipse cx='50' cy='65' rx='35' ry='50' fill='%238E44AD'/%3E%3Crect x='30' y='10' width='40' height='12' fill='%23333'/%3E%3Crect x='30' y='110' width='40' height='12' fill='%23333'/%3E%3Cpath d='M50 122 v20' stroke='%238E44AD' stroke-width='4'/%3E%3C/svg%3E");
}

@keyframes sway {
    0%, 100% { transform: rotate(-5deg); }
    50% { transform: rotate(5deg); }
}

.lantern:nth-child(2n) { animation-delay: 1s; }
.lantern:nth-child(3n) { animation-delay: 2s; }

.hero-content {
    position: relative;
    z-index: 2;
    padding-left: 80px;
    max-width: 800px;
}

.badge {
    display: inline-block;
    background: var(--gold);
    color: white;
    padding: 6px 16px;
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
    font-weight: 600;
}

.hero-title {
    font-size: 82px;
    line-height: 1.05;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 18px;
    font-weight: 300;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 500px;
}

.btn {
    display: inline-block;
    padding: 18px 40px;
    text-decoration: none;
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: var(--transition);
    margin-right: 20px;
}

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

.btn-secondary {
    border: 1px solid white;
    color: white;
}

.btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 4px;
}

.mouse {
    width: 20px;
    height: 35px;
    border: 1px solid white;
    border-radius: 10px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 50%;
    width: 2px;
    height: 6px;
    background: white;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 15px); opacity: 0; }
}

/* Philosophy */
.philosophy {
    padding: 160px 0;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}

.accent-text {
    font-family: var(--serif);
    font-size: 28px;
    font-style: italic;
    color: var(--matcha);
    margin-bottom: 30px;
}

.philosophy-text p {
    margin-bottom: 20px;
    font-size: 16px;
    color: #555;
    font-weight: 300;
}

.image-stack {
    position: relative;
}

.img-1 {
    width: 80%;
    height: 500px;
    object-fit: cover;
    border-radius: 2px;
}

.img-2 {
    position: absolute;
    bottom: -60px;
    right: 0;
    width: 60%;
    height: 350px;
    object-fit: cover;
    border: 15px solid white;
    border-radius: 2px;
}

/* Menu Section */
.botanical-menu {
    padding: 140px 0;
    background: #f0f0f0;
    position: relative;
    background-image: radial-gradient(var(--bamboo) 0.5px, transparent 0.5px);
    background-size: 30px 30px;
}

.menu-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 80px;
}

.tab-btn {
    background: transparent;
    border: 1px solid var(--matcha);
    color: var(--matcha);
    padding: 12px 30px;
    font-family: var(--sans);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active, .tab-btn:hover {
    background: var(--matcha);
    color: white;
}

.tab-content {
    display: none;
    animation: fadeIn 0.8s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.menu-category h3 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: var(--forest-green);
    letter-spacing: 4px;
    text-transform: uppercase;
}

.menu-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
    max-width: 800px;
    margin: 0 auto 80px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
}

.list-item {
    padding-bottom: 15px;
    border-bottom: 1px dashed var(--bamboo);
}

.list-item span:first-child {
    font-family: var(--serif);
    font-size: 20px;
    color: var(--forest-green);
    font-weight: 600;
}

.list-item span:nth-child(2) {
    float: right;
    color: var(--gold);
    font-weight: 600;
}

.list-item p {
    font-size: 13px;
    color: #666;
    margin-top: 5px;
    font-weight: 300;
}

.highlight {
    background: white;
    padding: 20px;
    border-radius: 2px;
    border: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
}

.dong-son-divider {
    height: 20px;
    width: 100%;
    background-image: repeating-linear-gradient(45deg, var(--gold), var(--gold) 1px, transparent 1px, transparent 10px);
    opacity: 0.2;
    margin-bottom: 80px;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.lotus-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 20px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpath fill='%23C5A059' d='M50 10c-5 15-15 25-15 40s10 25 15 40c5-15 15-25 15-40s-10-25-15-40z'/%3E%3Cpath fill='%23C5A059' d='M50 30c-15 5-25 15-40 15s25 10 40 15c-15-5-25-15-40-15s25-10 40-15z' opacity='0.6'/%3E%3Cpath fill='%23C5A059' d='M50 30c15 5 25 15 40 15s-25 10-40 15c15-5 25-15 40-15s-25-10-40-15z' opacity='0.6'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

/* Testimonials */
.reflections {
    padding: 140px 0;
    background: var(--forest-green);
    color: white;
}

.reflections .section-title {
    color: white;
    margin-bottom: 80px;
}

.testimonial-slider {
    display: flex;
    gap: 60px;
    justify-content: center;
}

.testimonial {
    max-width: 300px;
    text-align: center;
}

.quote {
    font-family: var(--serif);
    font-style: italic;
    font-size: 20px;
    margin-bottom: 20px;
    line-height: 1.4;
}

.author {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.6;
}

/* Visit */
.visit {
    padding: 140px 0;
}

.visit-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 100px;
}

.info-block {
    margin-bottom: 40px;
}

.info-block h4 {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 14px;
    margin-bottom: 10px;
    color: var(--matcha);
}

.map-placeholder {
    width: 100%;
    height: 500px;
    background: #e0e0e0;
    position: relative;
    background-image: url('https://images.unsplash.com/photo-1526772662000-3f88f10405ff?auto=format&fit=crop&q=80&w=1200');
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-overlay {
    background: white;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.pin {
    display: inline-block;
    width: 10px;
    height: 10px;
    background: var(--gold);
    border-radius: 50%;
    margin-bottom: 10px;
    position: relative;
}

.pin::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    width: 20px;
    height: 20px;
    border: 1px solid var(--gold);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

/* Footer */
.footer {
    padding: 80px 0;
    background: #111;
    color: white;
}

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

.footer-logo {
    font-size: 20px;
    letter-spacing: 6px;
    color: white;
}

.social-links a {
    color: white;
    text-decoration: none;
    margin-left: 30px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.legal {
    font-size: 10px;
    opacity: 0.4;
    text-transform: uppercase;
    letter-spacing: 2px;
}

@media (max-width: 992px) {
    .philosophy-grid, .menu-grid, .visit-grid, .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .hero-title { font-size: 56px; }
    .hero-content { padding-left: 40px; }
    
    .img-2 { display: none; }
    .img-1 { width: 100%; }
}
