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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    background: #fafafa;
}

/* YUNSI Brand Color Palette */
:root {
    --yunsi-primary: #8B4513;      /* Heritage Brown */
    --yunsi-secondary: #A0522D;    /* Warm Sienna */
    --yunsi-cloud: #f8f9fa;        /* Cloud White */
    --yunsi-mist: #e9ecef;         /* Silk Mist */
    --yunsi-nature: #6b8e23;       /* Nature Green */
    --yunsi-confidence: #2c3e50;   /* Confident Navy */
    --yunsi-gold: #d4af37;         /* Heritage Gold */
    --yunsi-text: #2c2c2c;         /* Sophisticated Dark */
    --yunsi-text-light: #666;      /* Soft Gray */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 110px;
}

/* Brand Logo and Tagline */
.nav-logo {
    display: flex;
    align-items: center;
}

.brand-identity-vertical {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    transition: all 0.3s ease;
}

.brand-logo-nav {
    width: 100px;
    height: 100px;
    object-fit: contain;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(139, 69, 19, 0.1));
    margin-top: -24px;
}

.brand-identity-vertical:hover .brand-logo-nav {
    transform: scale(1.05) rotate(2deg);
    filter: drop-shadow(0 4px 8px rgba(139, 69, 19, 0.2));
}

.brand-tagline-nav {
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-top: -26px;
    margin-left: 18px;

}

.brand-tagline-nav span {
    font-size: 12px;
    color: #888;
    font-weight: 300;
    font-style: italic;
    letter-spacing: 0.4px;
    line-height: 1.1;
    white-space: nowrap;
    opacity: 0.7;
    transition: all 0.3s ease;
    text-align: left;
}

.brand-identity-vertical:hover .brand-tagline-nav span {
    opacity: 1;
    color: var(--yunsi-secondary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 400;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #8B4513;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #8B4513;
    transition: width 0.3s ease;
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section - YUNSI Brand Style */
.hero {
    background: linear-gradient(135deg, var(--yunsi-cloud) 0%, var(--yunsi-mist) 100%);
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="clouds" x="0" y="0" width="30" height="30" patternUnits="userSpaceOnUse"><circle cx="15" cy="15" r="2" fill="%23ffffff" opacity="0.3"/><circle cx="10" cy="10" r="1.5" fill="%23ffffff" opacity="0.2"/><circle cx="20" cy="20" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23clouds)"/></svg>') repeat;
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(0px); }
    50% { transform: translateX(20px); }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 300;
    color: var(--yunsi-primary);
    margin-bottom: 20px;
    line-height: 1.1;
    letter-spacing: 1px;
}

.hero-subtitle {
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--yunsi-confidence);
    margin-bottom: 30px;
    font-style: italic;
    letter-spacing: 0.5px;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--yunsi-text-light);
    margin-bottom: 30px;
    max-width: 500px;
    line-height: 1.7;
}

/* Hero Keywords */
.hero-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 40px;
}

.keyword {
    background: linear-gradient(135deg, var(--yunsi-primary) 0%, var(--yunsi-secondary) 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    box-shadow: 0 3px 10px rgba(139, 69, 19, 0.2);
    transition: transform 0.3s ease;
}

.keyword:hover {
    transform: translateY(-2px);
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #8B4513 0%, #A0522D 100%);
    color: white;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(139, 69, 19, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(139, 69, 19, 0.4);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-silk-visual {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--yunsi-primary) 0%, var(--yunsi-gold) 50%, var(--yunsi-secondary) 100%);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 500;
    box-shadow: 0 20px 60px rgba(139, 69, 19, 0.3);
    position: relative;
    overflow: hidden;
}

.hero-silk-visual::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    50% { transform: translateX(100%) translateY(100%) rotate(45deg); }
    100% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
}

/* Hero Carousel Styles */
.hero-carousel {
    width: 100%;
    height: 480px;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(139, 69, 19, 0.15);
    position: relative;
    background: linear-gradient(135deg, 
        rgba(248, 249, 250, 0.95) 0%, 
        rgba(233, 236, 239, 0.9) 50%, 
        rgba(248, 249, 250, 0.95) 100%);
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slides {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    box-sizing: border-box;
}

.carousel-slide.active {
    opacity: 1;
    transform: translateX(0);
}

.carousel-slide.prev {
    transform: translateX(-100%);
}

.product-preview {
    text-align: center;
    color: white;
    z-index: 2;
    position: relative;
    max-width: 350px;
    width: 100%;
}

.product-image-container {
    width: 320px;
    height: 320px;
    margin: 0 auto 10px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.product-image-container:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 40px rgba(139, 69, 19, 0.25);
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 18px;
    transition: all 0.3s ease;
}

.image-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
}

.loading-shimmer {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    animation: shimmerText 2s ease-in-out infinite;
}

@keyframes shimmerText {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

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

.product-name {
    font-size: 0.9rem;
    font-weight: 400;
    margin-bottom: 3px;
    text-shadow: none;
    line-height: 1.2;
    color: rgba(139, 69, 19, 0.8);
    opacity: 0.9;
}

.product-description {
    font-size: 0.85rem;
    opacity: 0.8;
    line-height: 1.3;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    margin-bottom: 4px;
}

/* Carousel Navigation */
.carousel-navigation {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    pointer-events: none;
    z-index: 3;
}

.carousel-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(139, 69, 19, 0.1);
    color: var(--yunsi-primary);
    font-size: 1.8rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.carousel-btn:hover {
    background: white;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    color: var(--yunsi-secondary);
}

.carousel-btn:active {
    transform: scale(0.95);
}

/* Carousel Indicators */
.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(139, 69, 19, 0.3);
    border: 1px solid rgba(139, 69, 19, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-indicator.active {
    background: var(--yunsi-primary);
    transform: scale(1.3);
    box-shadow: 0 0 8px rgba(139, 69, 19, 0.4);
}

.carousel-indicator:hover {
    background: rgba(139, 69, 19, 0.6);
    transform: scale(1.1);
}

/* Product Preview in Carousel */
.product-image-frame {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
}

.silk-pattern {
    font-size: 3rem;
    opacity: 0.7;
    animation: silkFloat 3s ease-in-out infinite;
}

@keyframes silkFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(5deg); }
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 18px;
}

.product-image-placeholder:hover .product-overlay {
    opacity: 1;
}

.view-product {
    color: white;
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-price {
    font-size: 1.1rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
    margin-top: 5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.placeholder-image {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--yunsi-primary) 0%, var(--yunsi-secondary) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 500;
    box-shadow: 0 10px 40px rgba(139, 69, 19, 0.3);
}

/* About Section - YUNSI Brand Philosophy */
.about {
    padding: 100px 0;
    background: linear-gradient(135deg, #ffffff 0%, var(--yunsi-cloud) 100%);
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--yunsi-primary);
    margin-bottom: 30px;
    font-weight: 300;
    letter-spacing: 1px;
}

.brand-philosophy {
    text-align: center;
    font-size: 1.3rem;
    color: var(--yunsi-text);
    max-width: 800px;
    margin: 0 auto 60px;
    line-height: 1.7;
    font-weight: 400;
}

/* YUNSI Brand Features - Elegant 2x2 Grid Layout */
.features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 50px;
    margin-top: 60px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    perspective: 1000px;
}

/* YUNSI Feature Cards - Silk-inspired Design */
.feature {
    text-align: center;
    padding: 40px 30px;
    background: linear-gradient(145deg, #ffffff 0%, #fafafa 100%);
    border-radius: 25px;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 8px 32px rgba(139, 69, 19, 0.1),
        0 2px 8px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transform-style: preserve-3d;
}

/* Silk-like flowing animation background */
.feature::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.6) 0%, transparent 70%);
    transform: translateX(-100%) translateY(-100%) rotate(45deg);
    transition: transform 1.2s ease;
    pointer-events: none;
}

/* Elegant border accent */
.feature::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 25px;
    padding: 2px;
    background: linear-gradient(135deg, var(--yunsi-primary), var(--yunsi-gold), var(--yunsi-nature), var(--yunsi-confidence));
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: xor;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.feature:hover {
    transform: translateY(-12px) rotateX(5deg);
    box-shadow: 
        0 20px 60px rgba(139, 69, 19, 0.2),
        0 8px 24px rgba(0, 0, 0, 0.1);
}

.feature:hover::before {
    transform: translateX(100%) translateY(100%) rotate(45deg);
}

.feature:hover::after {
    opacity: 0.6;
}

/* Feature Icon - Elegant floating effect */
.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateZ(20px);
    filter: drop-shadow(0 4px 8px rgba(139, 69, 19, 0.2));
    position: relative;
    z-index: 2;
    color: var(--yunsi-primary);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature:hover .feature-icon {
    transform: translateZ(30px) scale(1.1) rotateY(5deg);
    filter: drop-shadow(0 8px 16px rgba(139, 69, 19, 0.3));
    color: var(--yunsi-secondary);
}

.feature:hover .feature-icon svg {
    transform: scale(1.05) rotate(2deg);
}

/* Feature Title - Graceful typography */
.feature h3 {
    font-size: 1.5rem;
    color: var(--yunsi-primary);
    margin-bottom: 18px;
    font-weight: 400;
    letter-spacing: 1px;
    transition: all 0.4s ease;
    position: relative;
    z-index: 2;
}

.feature:hover h3 {
    color: var(--yunsi-confidence);
    transform: translateY(-2px);
}

/* Feature Description - Flowing text */
.feature p {
    color: var(--yunsi-text-light);
    margin: 0;
    line-height: 1.7;
    font-size: 1rem;
    transition: all 0.4s ease;
    position: relative;
    z-index: 2;
    font-weight: 300;
}

.feature:hover p {
    color: var(--yunsi-text);
    transform: translateY(-1px);
}

/* Brand-specific feature styling */
.feature.heritage { border-top: 4px solid var(--yunsi-primary); }
.feature.weightless { border-top: 4px solid var(--yunsi-cloud); }
.feature.nature { border-top: 4px solid var(--yunsi-nature); }
.feature.grace { border-top: 4px solid var(--yunsi-gold); }

/* Collection Section */
.collection {
    padding: 100px 0;
    background: #f8f8f8;
}

.collection h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 20px;
}

.collection-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 60px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.product-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.product-card .product-image {
    height: 250px;
    overflow: hidden;
    position: relative;
}

.product-card .product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-card .placeholder-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #8B4513 0%, #A0522D 50%, #CD853F 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

.product-card .placeholder-image::before {
    content: '🧵';
    font-size: 3rem;
    margin-bottom: 10px;
    opacity: 0.7;
    animation: silkFloat 3s ease-in-out infinite;
}

.product-card .placeholder-image::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: shimmer 4s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { transform: translateX(-100%) translateY(-100%) rotate(0deg); }
    50% { transform: translateX(50%) translateY(50%) rotate(45deg); }
}

.product-card:hover .placeholder-image {
    transform: scale(1.05);
}

.product-info {
    padding: 30px;
}

.product-info h3 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 10px;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 600;
    color: #8B4513;
    margin-bottom: 10px;
}

.product-description {
    color: #666;
    font-size: 0.95rem;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: white;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 30px;
}

.contact > .container > p {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto 60px;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.contact-method {
    text-align: center;
    padding: 40px 20px;
    background: #f9f9f9;
    border-radius: 15px;
}

.contact-method h3 {
    font-size: 1.3rem;
    color: #8B4513;
    margin-bottom: 15px;
}

.contact-method p {
    color: #666;
    margin: 0;
}

.contact-method a {
    color: #8B4513;
    text-decoration: none;
    font-weight: 500;
}

.contact-method a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background: #333;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    color: #8B4513;
    margin-bottom: 15px;
}

.footer-brand p {
    color: #ccc;
    font-size: 0.95rem;
}

.footer-links h4 {
    color: #8B4513;
    margin-bottom: 15px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-contact h4 {
    color: #8B4513;
    margin-bottom: 15px;
}

.footer-contact p {
    color: #ccc;
    font-size: 0.95rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #555;
    color: #ccc;
    font-size: 0.9rem;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    /* Hero Carousel Responsive */
    .hero-carousel {
        height: 420px;
        border-radius: 20px;
    }
    
    .carousel-slide {
        padding: 25px 15px;
    }
    
    .product-image-container {
        width: 260px;
        height: 260px;
        margin-bottom: 10px;
    }
    
    .product-name {
        font-size: 0.85rem;
    }
    
    .product-price {
        font-size: 1rem;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.4rem;
    }
    
    .carousel-navigation {
        padding: 0 15px;
    }
    
    /* Brand Logo Responsive */
    .brand-identity-vertical {
        gap: 1px;
    }
    
    
    
    .brand-logo-nav {
        width: 100px;
        height: 100px;
        margin-top: -24px;
    }
    
    .brand-tagline-nav span {
        font-size: 10px;
        letter-spacing: 0.3px;
    }
    
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 40px 0;
        gap: 20px;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .product-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    /* Mobile Features - Elegant 2x2 layout maintained */
    .features {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto;
        gap: 25px;
        max-width: 100%;
        perspective: 500px;
    }

    .feature {
        padding: 30px 20px;
        min-height: 220px;
    }

    .feature-icon {
        width: 56px;
        height: 56px;
        margin-bottom: 15px;
    }

    .feature h3 {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }

    .feature p {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .contact-info {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
}

/* Small Mobile - Graceful vertical layout */
@media screen and (max-width: 480px) {
    /* Brand Logo Mobile */
    .brand-identity-vertical {
        gap: 0px;
    }
    
    .brand-tagline-nav {
        margin-top: -26px;
        margin-left: 18px;
    }
    
    .brand-logo-nav {
        width: 100px;
        height: 100px;
        margin-top: -24px;
    }
    
    .brand-tagline-nav span {
        font-size: 8px;
        letter-spacing: 0.2px;
    }
    
    /* Hero Carousel Mobile */
    .hero-carousel {
        height: 380px;
        border-radius: 15px;
    }
    
    .carousel-slide {
        padding: 20px 10px;
    }
    
    .product-image-container {
        width: 240px;
        height: 240px;
        margin-bottom: 8px;
    }
    
    .product-name {
        font-size: 0.8rem;
    }
    
    .product-price {
        font-size: 0.9rem;
    }
    
    /* Hide tagline on very small screens if needed */
    @media screen and (max-width: 360px) {
        .brand-identity-vertical {
            gap: 0;
        }
        
        .brand-tagline-nav {
            display: none;
        }
    }
    
    .hero {
        padding: 100px 0 60px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

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

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

    .about, .collection, .contact {
        padding: 60px 0;
    }

    /* Ultra-small screens: Single column for ultimate grace */
    .features {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, auto);
        gap: 20px;
        perspective: none;
    }

    .feature {
        padding: 25px 20px;
        min-height: auto;
        transform: none !important;
    }

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

    .feature-icon {
        width: 48px;
        height: 48px;
        margin-bottom: 12px;
    }

    .feature h3 {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }

    .feature p {
        font-size: 0.85rem;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }

    .product-card .product-image {
        height: 200px;
    }

    .product-info {
        padding: 20px;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* YUNSI Animation Classes - Silk-inspired */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

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

/* Staggered entrance animation for features */
.feature {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
    animation: featureEntrance 0.8s ease forwards;
}

.feature.loaded {
    opacity: 1;
    animation: none;
}

.feature:nth-child(1) { animation-delay: 0.1s; }
.feature:nth-child(2) { animation-delay: 0.2s; }
.feature:nth-child(3) { animation-delay: 0.3s; }
.feature:nth-child(4) { animation-delay: 0.4s; }

@keyframes featureEntrance {
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Removed silkWave animation to prevent conflicts */