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

:root {
    --primary-color: #2C5F2D;
    --primary-light: #4A7C59;
    --secondary-color: #E8F5E8;
    --accent-color: #97BC62;
    --accent-light: #B8D285;
    --text-dark: #1A1A1A;
    --text-medium: #4A4A4A;
    --text-light: #6B6B6B;
    --text-muted: #8A8A8A;
    --bg-white: #ffffff;
    --bg-light: #F8FAF9;
    --bg-cream: #F4F7F5;
    --bg-section: #FDFEFE;
    --border-light: #E5E7E6;
    --border-medium: #D1D5D3;
    --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.15);
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1280px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 40px);
}

/* Improved Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 0.5em;
    color: var(--text-dark);
}

p {
    margin-bottom: 1em;
    color: var(--text-medium);
}

/* Section Spacing */
section {
    padding: clamp(60px, 8vw, 120px) 0;
}

section:nth-child(even) {
    background-color: var(--bg-section);
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: var(--shadow-xs);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
    background: rgba(255, 255, 255, 0.99);
}

.navbar {
    padding: clamp(12px, 2vw, 20px) 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 40px);
}

.nav-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.nav-logo h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.02em;
    margin-bottom: 0;
}

.tagline {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-top: -4px;
    font-weight: 500;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: clamp(24px, 4vw, 40px);
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-medium);
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition-fast);
    position: relative;
    padding: 8px 0;
}

.nav-link:hover {
    color: var(--primary-color);
    transform: translateY(-1px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
    transition: var(--transition);
    border-radius: 1px;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 24px;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    text-align: center;
    color: white;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    z-index: 1;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1502920917128-1aa500764cbd?w=1920') center/cover;
    opacity: 0.08;
    z-index: 0;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(151, 188, 98, 0.9) 0%, rgba(44, 95, 45, 0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin-bottom: clamp(40px, 8vw, 80px);
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(42px, 8vw, 96px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 50%, #e9ecef 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(18px, 3vw, 22px);
    font-weight: 400;
    opacity: 0.95;
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

.hero-buttons {
    display: flex;
    gap: clamp(12px, 3vw, 20px);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-btn {
    padding: clamp(14px, 3vw, 18px) clamp(28px, 6vw, 40px);
    border: none;
    border-radius: var(--radius-lg);
    font-size: clamp(15px, 2.5vw, 17px);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: none;
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
    font-family: 'Inter', sans-serif;
}

.hero-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.hero-btn:hover::before {
    left: 100%;
}

.hero-btn.primary {
    background: white;
    color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.hero-btn.primary:hover {
    background: #f8f9fa;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.hero-btn.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.hero-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.7);
    transform: translateY(-3px);
}

.hero-stats {
    position: relative;
    z-index: 2;
    display: flex;
    gap: 60px;
    justify-content: center;
    margin-top: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: clamp(48px, 8vw, 80px);
    animation: fadeInUp 0.8s ease-out;
}

.section-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--secondary-color), var(--bg-cream));
    color: var(--primary-color);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 20px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.section-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s;
}

.section-badge:hover::before {
    left: 100%;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(36px, 6vw, 56px);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.section-subtitle {
    font-size: clamp(16px, 2.5vw, 20px);
    color: var(--text-medium);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Enhanced Featured Section */
.featured-section {
    padding: clamp(100px, 12vw, 160px) 0;
    background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-light) 50%, var(--bg-cream) 100%);
    position: relative;
    overflow: hidden;
}

.featured-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}

.featured-section::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(151, 188, 98, 0.06) 0%, rgba(184, 210, 133, 0.03) 50%, transparent 80%);
    border-radius: 50%;
    z-index: 1;
}

.featured-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: clamp(20px, 2.5vw, 28px);
    margin-bottom: clamp(40px, 6vw, 64px);
    position: relative;
    z-index: 2;
    height: 500px;
    align-items: stretch;
}

.featured-card:nth-child(1) {
    grid-column: 1;
    grid-row: 1 / 3;
}

.featured-card:nth-child(2) {
    grid-column: 2;
    grid-row: 1;
}

.featured-card:nth-child(3) {
    grid-column: 3;
    grid-row: 1;
}

.featured-card:nth-child(4) {
    grid-column: 2;
    grid-row: 2;
}

.featured-card:nth-child(5) {
    grid-column: 3;
    grid-row: 2;
}

.featured-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    border: 1px solid var(--border-light);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.featured-card:nth-child(1) {
    /* 大卡片占用全部高度 */
}

.featured-card:nth-child(n+2) {
    /* 小卡片等高分布 */
}

.featured-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(151, 188, 98, 0.02) 0%, rgba(184, 210, 133, 0.03) 100%);
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
    pointer-events: none;
}

.featured-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.featured-card:nth-child(2):hover,
.featured-card:nth-child(3):hover,
.featured-card:nth-child(4):hover,
.featured-card:nth-child(5):hover {
    transform: translateY(-6px) scale(1.02);
}

.featured-card:hover::before {
    opacity: 1;
}

.featured-card:nth-child(1) {
    border: 2px solid var(--border-medium);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-light) 50%, var(--bg-cream) 100%);
}

.featured-card:nth-child(1)::after {
    content: 'FEATURED';
    position: absolute;
    top: 24px;
    left: 24px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    color: white;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    z-index: 3;
    box-shadow: var(--shadow-sm);
}

.featured-card:nth-child(1):hover {
    transform: translateY(-12px) scale(1.02);
    border-color: var(--primary-color);
    box-shadow: 0 16px 32px rgba(44, 95, 45, 0.12);
}

.featured-image {
    width: 100%;
    flex: 1;
    object-fit: cover;
    transition: var(--transition);
    min-height: 0;
}

.featured-card:hover .featured-image {
    transform: scale(1.08);
    filter: brightness(1.1);
}

.featured-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: clamp(20px, 4vw, 32px);
    background: linear-gradient(to top, 
        rgba(40, 40, 40, 0.75) 0%, 
        rgba(50, 50, 50, 0.6) 20%, 
        rgba(60, 60, 60, 0.4) 40%, 
        rgba(80, 80, 80, 0.2) 65%, 
        rgba(100, 100, 100, 0.05) 85%, 
        transparent 100%);
    color: white;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2;
    transform: translateY(0);
    transition: var(--transition);
}

.featured-card:nth-child(1) .featured-content {
    padding: clamp(32px, 5vw, 48px);
    background: linear-gradient(to top, 
        rgba(35, 35, 35, 0.8) 0%, 
        rgba(45, 45, 45, 0.65) 15%, 
        rgba(55, 55, 55, 0.45) 35%, 
        rgba(70, 70, 70, 0.25) 60%, 
        rgba(90, 90, 90, 0.08) 80%, 
        transparent 100%);
}

.featured-card:hover .featured-content {
    transform: translateY(0);
    background: linear-gradient(to top, 
        rgba(30, 30, 30, 0.8) 0%, 
        rgba(40, 40, 40, 0.65) 18%, 
        rgba(50, 50, 50, 0.45) 38%, 
        rgba(70, 70, 70, 0.22) 62%, 
        rgba(90, 90, 90, 0.06) 82%, 
        transparent 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.featured-content h3 {
    font-size: clamp(16px, 2.5vw, 20px);
    font-weight: 700;
    margin-bottom: 6px;
    line-height: 1.3;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6), 0 1px 4px rgba(0,0,0,0.4);
    transform: translateY(0);
    transition: var(--transition);
}

.featured-card:nth-child(1) .featured-content h3 {
    font-size: clamp(24px, 3.5vw, 32px);
    margin-bottom: 12px;
    line-height: 1.2;
}

.featured-card:hover .featured-content h3 {
    transform: translateY(0);
}

.featured-content p {
    font-size: clamp(12px, 1.8vw, 14px);
    opacity: 0.95;
    margin-bottom: 8px;
    line-height: 1.4;
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0,0,0,0.3);
    transform: translateY(0);
    transition: var(--transition);
    transition-delay: 0.1s;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.featured-card:nth-child(1) .featured-content p {
    font-size: clamp(14px, 2.2vw, 16px);
    margin-bottom: 16px;
    -webkit-line-clamp: 3;
    opacity: 0.95;
}

.featured-card:hover .featured-content p {
    transform: translateY(0);
    opacity: 1;
}

.featured-price {
    font-size: clamp(14px, 2.5vw, 18px);
    font-weight: 800;
    color: white;
    text-shadow: 0 1px 3px rgba(0,0,0,0.4);
    display: inline-block;
    padding: 6px 12px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    border-radius: var(--radius-sm);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(151, 188, 98, 0.7);
    transform: translateY(0);
    transition: var(--transition);
    transition-delay: 0.2s;
    box-shadow: 0 2px 8px rgba(44, 95, 45, 0.3);
}

.featured-card:nth-child(1) .featured-price {
    font-size: clamp(20px, 3.2vw, 24px);
    padding: 8px 16px;
}

.featured-card:hover .featured-price {
    transform: translateY(0);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-color: rgba(44, 95, 45, 0.8);
    box-shadow: 0 4px 12px rgba(151, 188, 98, 0.3);
}

/* Products Section */
.products-section {
    padding: clamp(80px, 10vw, 140px) 0;
    background: var(--bg-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: clamp(20px, 4vw, 36px);
    margin-bottom: 64px;
}

.product-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid var(--border-light);
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}

.product-card:hover::before {
    opacity: 0.05;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.product-image {
    width: 100%;
    height: clamp(240px, 30vw, 320px);
    object-fit: cover;
    transition: var(--transition);
    position: relative;
    z-index: 2;
}

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

.product-info {
    padding: clamp(20px, 4vw, 32px);
    position: relative;
    z-index: 2;
}

.product-title {
    font-size: clamp(18px, 2.5vw, 22px);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    line-height: 1.3;
    transition: var(--transition-fast);
}

.product-card:hover .product-title {
    color: var(--primary-color);
}

.product-price {
    font-size: clamp(20px, 3vw, 26px);
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 12px;
}

.product-description {
    color: var(--text-medium);
    font-size: clamp(14px, 2vw, 16px);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Articles Section */
.articles-section {
    padding: clamp(80px, 10vw, 140px) 0;
    background: var(--bg-section);
    position: relative;
}

.articles-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: clamp(20px, 4vw, 36px);
    margin-bottom: 64px;
}

.article-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid var(--border-light);
    position: relative;
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}

.article-card:hover::before {
    opacity: 0.03;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.article-image {
    width: 100%;
    height: clamp(200px, 25vw, 280px);
    object-fit: cover;
    transition: var(--transition);
    position: relative;
    z-index: 2;
}

.article-card:hover .article-image {
    transform: scale(1.05);
    filter: brightness(1.05);
}

.article-info {
    padding: clamp(20px, 4vw, 32px);
    position: relative;
    z-index: 2;
}

.article-title {
    font-size: clamp(18px, 2.5vw, 22px);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.3;
    transition: var(--transition-fast);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card:hover .article-title {
    color: var(--primary-color);
}

.article-meta {
    color: var(--text-muted);
    font-size: 12px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.article-meta::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 50%;
}

.article-excerpt {
    color: var(--text-medium);
    line-height: 1.6;
    font-size: clamp(14px, 2vw, 16px);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* About Section */
.about-section {
    padding: 120px 0;
    background: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text h2 {
    font-family: 'Playfair Display', serif;
    font-size: 36px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 24px;
}

.about-text p {
    font-size: 16px;
    color: var(--text-medium);
    margin-bottom: 24px;
    line-height: 1.7;
}

.about-stats {
    display: flex;
    gap: 32px;
    margin-top: 40px;
}

.about-stat strong {
    display: block;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.about-stat span {
    font-size: 14px;
    color: var(--text-light);
}

.about-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* Section Footer */
.section-footer {
    text-align: center;
    margin-top: clamp(40px, 6vw, 64px);
}

.load-more-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border: none;
    padding: 18px 40px;
    border-radius: var(--radius-lg);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    text-transform: none;
    letter-spacing: 0.02em;
}

.load-more-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    opacity: 0;
    transition: var(--transition);
}

.load-more-btn:hover::before {
    opacity: 1;
}

.load-more-btn:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.load-more-btn span {
    position: relative;
    z-index: 1;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: white;
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-section h3 {
    font-family: 'Playfair Display', serif;
    font-size: 24px;
    margin-bottom: 16px;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* Back Button Styles */
.back-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-medium);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 32px;
    transition: var(--transition);
}

.back-button:hover {
    color: var(--primary-color);
}

.back-button::before {
    content: '←';
    font-size: 18px;
}

/* Product Detail Page */
.product-detail-main {
    padding-top: 100px;
    min-height: 100vh;
    background: var(--bg-light);
}

.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    margin-bottom: 80px;
    background: white;
    padding: 48px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.product-detail-image {
    width: 100%;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.product-detail-info h1 {
    font-family: 'Playfair Display', serif;
    font-size: 36px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 16px;
    line-height: 1.2;
}

.product-detail-price {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 24px;
}

.product-detail-description {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-medium);
    margin-bottom: 32px;
}

.product-features {
    margin-bottom: 32px;
}

.product-features h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.product-features ul {
    list-style: none;
}

.product-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
    position: relative;
    padding-left: 24px;
    font-size: 15px;
    color: var(--text-medium);
}

.product-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.buy-button {
    background: var(--primary-color);
    color: white;
    padding: 16px 32px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.buy-button:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* Article Detail Page */
.article-detail-main {
    padding-top: 100px;
    min-height: 100vh;
    background: var(--bg-light);
}

.article-detail {
    max-width: 800px;
    margin: 0 auto 80px auto;
    background: white;
    padding: 48px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    line-height: 1.8;
}

.article-header {
    margin-bottom: 32px;
}

.article-detail h1 {
    font-family: 'Playfair Display', serif;
    font-size: 40px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 16px;
    line-height: 1.2;
}

.article-detail-meta {
    color: var(--text-light);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--border-light);
}

.article-detail-image {
    width: 100%;
    border-radius: var(--radius-md);
    margin: 32px 0;
    box-shadow: var(--shadow-sm);
}

.article-content {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-dark);
}

.article-content h2 {
    font-family: 'Playfair Display', serif;
    font-size: 28px;
    font-weight: 600;
    color: var(--primary-color);
    margin: 48px 0 24px 0;
    line-height: 1.3;
}

.article-content h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-color);
    margin: 32px 0 16px 0;
    line-height: 1.3;
}

.article-content p {
    margin-bottom: 24px;
}

.article-content ul, .article-content ol {
    margin: 24px 0;
    padding-left: 32px;
}

.article-content li {
    margin-bottom: 8px;
    color: var(--text-medium);
}

.article-footer {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 2px solid var(--border-light);
}

/* Related Items */
.related-products, .related-articles {
    margin-top: 80px;
}

.related-products h3, .related-articles h3 {
    font-family: 'Playfair Display', serif;
    font-size: 28px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 32px;
    text-align: center;
}

.related-products-grid, .related-articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

/* Enhanced Responsive Design */

/* Large tablets and small laptops */
@media screen and (max-width: 1024px) {
    .featured-section {
        padding: clamp(80px, 10vw, 120px) 0;
    }
    
    .featured-section::after {
        width: 400px;
        height: 400px;
        top: -30%;
        right: -15%;
        background: radial-gradient(circle, rgba(151, 188, 98, 0.05) 0%, rgba(184, 210, 133, 0.02) 50%, transparent 80%);
    }
    
    .featured-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: 200px 150px 150px;
        gap: clamp(16px, 3vw, 24px);
        height: auto;
    }
    
    .featured-card:nth-child(1) {
        grid-column: span 2;
        grid-row: 1;
        aspect-ratio: 8/3;
        min-height: 200px;
    }
    
    .featured-card:nth-child(1)::after {
        top: 16px;
        left: 16px;
        padding: 6px 12px;
        font-size: 10px;
    }
    
    .featured-card:nth-child(2) {
        grid-column: 1;
        grid-row: 2;
    }
    
    .featured-card:nth-child(3) {
        grid-column: 2;
        grid-row: 2;
    }
    
    .featured-card:nth-child(4) {
        grid-column: 1;
        grid-row: 3;
    }
    
    .featured-card:nth-child(5) {
        grid-column: 2;
        grid-row: 3;
    }
    
    .featured-card:nth-child(n+2) {
        aspect-ratio: 4/3;
        min-height: 120px;
    }
    
    .featured-content {
        padding: clamp(16px, 3vw, 24px);
    }
    
    .hero-stats {
        gap: 40px;
    }
}

/* Tablets */
@media screen and (max-width: 768px) {
    :root {
        --max-width: 100%;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .nav-container {
        padding: 0 20px;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 76px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
        padding: 40px 0;
        gap: 24px;
        z-index: 999;
    }

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

    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        padding-top: 100px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    
    .hero-btn {
        min-width: 200px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
        margin-top: 32px;
    }
    
    .featured-section {
        padding: clamp(60px, 8vw, 100px) 0;
    }
    
    .featured-section::after {
        width: 300px;
        height: 300px;
        top: -20%;
        right: -10%;
        background: radial-gradient(circle, rgba(151, 188, 98, 0.04) 0%, rgba(184, 210, 133, 0.02) 50%, transparent 80%);
    }
    
    .featured-grid {
        grid-template-columns: 1fr;
        grid-template-rows: 200px repeat(4, 160px);
        gap: clamp(16px, 4vw, 24px);
        height: auto;
    }
    
    .featured-card:nth-child(1) {
        grid-row: span 1;
        grid-column: span 1;
        aspect-ratio: 16/9;
        min-height: 180px;
    }
    
    .featured-card:nth-child(1)::after {
        top: 12px;
        left: 12px;
        padding: 4px 8px;
        font-size: 9px;
    }
    
    .featured-card:nth-child(n) {
        grid-column: 1;
        grid-row: auto;
    }
    
    .featured-card:nth-child(n+2) {
        aspect-ratio: 16/9;
        min-height: 140px;
    }
    
    .featured-content {
        padding: clamp(12px, 3vw, 20px);
        transform: translateY(5px);
    }
    
    .featured-content h3 {
        margin-bottom: 6px;
    }
    
    .featured-content p {
        margin-bottom: 8px;
    }
    
    .products-grid, .articles-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
    }

    .product-detail {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 24px;
    }

    .article-detail {
        margin: 0 16px 40px 16px;
        padding: 24px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 16px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    .related-products-grid, .related-articles-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 32px;
    }
    
    .article-detail h1 {
        font-size: 32px;
    }
    
    .product-detail-info h1 {
        font-size: 28px;
    }
}

/* Mobile devices */
@media screen and (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .nav-container {
        padding: 0 16px;
    }
    
    .hero {
        padding-top: 80px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    .hero-btn {
        width: 100%;
        max-width: 280px;
        padding: 16px 32px;
    }
    
    .hero-stats {
        gap: 20px;
    }
    
    .stat-number {
        font-size: 24px;
    }
    
    .stat-label {
        font-size: 11px;
    }
    
    .products-grid, .articles-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .featured-section {
        padding: clamp(40px, 6vw, 80px) 0;
    }
    
    .featured-section::after {
        width: 200px;
        height: 200px;
        top: -15%;
        right: -5%;
        background: radial-gradient(circle, rgba(151, 188, 98, 0.03) 0%, rgba(184, 210, 133, 0.01) 50%, transparent 80%);
    }
    
    .featured-content {
        padding: clamp(12px, 3vw, 16px);
        transform: translateY(3px);
    }
    
    .featured-content h3 {
        font-size: clamp(16px, 4vw, 20px);
        margin-bottom: 4px;
    }
    
    .featured-content p {
        font-size: clamp(11px, 3vw, 14px);
        margin-bottom: 6px;
    }
    
    .featured-price {
        font-size: clamp(14px, 4vw, 18px);
        padding: 3px 8px;
    }
    
    .featured-card.large::after {
        top: 8px;
        left: 8px;
        padding: 3px 6px;
        font-size: 8px;
    }
    
    .featured-card:hover {
        transform: translateY(-8px) scale(1.01);
    }
    
    .featured-card.large:hover {
        transform: translateY(-12px) scale(1.005);
    }
    
    .about-content {
        gap: 24px;
    }
    
    .about-stats {
        gap: 12px;
    }
    
    .footer-content {
        gap: 24px;
    }
}