:root {
    --primary-color: #4A7C59;
    --primary-dark: #3A6247;
    --secondary-color: #C4A265;
    --accent-color: #D4764E;
    --text-dark: #1A2E1F;
    --text-light: #6B7B6E;
    --bg-light: #FAFAF5;
    --bg-white: #FFFFFF;
    --border-color: #D4DDD6;
    --color-primary: #4A7C59;
    --color-primary-dark: #3A6247;
    --color-primary-light: #6B9E7A;
    --color-secondary: #C4A265;
    --color-accent: #D4764E;
    --color-bg: #FAFAF5;
    --color-bg-warm: #F5F0E8;
    --color-text: #2C2C2C;
    --color-text-light: #6B7B6E;
    --color-muted: #8A9B8E;
    --color-border: #D4DDD6;
    --color-white: #FFFFFF;
    --color-dark: #1A2E1F;
    --gradient-hero: linear-gradient(135deg, #4A7C59 0%, #2C5A3A 50%, #1A3D25 100%);
    --gradient-warm: linear-gradient(135deg, #C4A265 0%, #D4764E 100%);
    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Nunito', 'Segoe UI', sans-serif;
    --shadow-sm: 0 1px 3px rgba(74, 124, 89, 0.08);
    --shadow-md: 0 4px 12px rgba(74, 124, 89, 0.12);
    --shadow-lg: 0 8px 30px rgba(74, 124, 89, 0.15);
    --shadow-xl: 0 20px 40px rgba(74, 124, 89, 0.18);
    --border-radius: 10px;
    --border-radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-dark);
}

h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }

body { font-size: clamp(1rem, 1.5vw, 1.1rem); }

/* Navigation */
.header {
    background: var(--color-white);
    box-shadow: 0 1px 0 var(--color-border);
}

.nav-link:hover,
.nav-link:focus {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.nav-logo {
    color: var(--color-dark);
}

/* Hero Section */
.hero {
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(255,255,255,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 4.5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: clamp(1rem, 2vw, 1.3rem);
    line-height: 1.7;
}

/* Buttons */
.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50px;
    padding: 0.8rem 2rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(74, 124, 89, 0.3);
}

.btn-secondary {
    border: 2px solid rgba(255,255,255,0.7);
    border-radius: 50px;
    color: var(--color-white);
    padding: 0.8rem 2rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    background: transparent;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

/* Section Titles */
.section-title {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-dark);
    position: relative;
    padding-bottom: 0.75rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-warm);
    border-radius: 2px;
}

/* Feature Cards */
.feature-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.feature-card .feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: inline-block;
    width: 70px;
    height: 70px;
    line-height: 70px;
    border-radius: 50%;
    background: var(--color-bg-warm);
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-dark);
}

/* Article Cards */
.article-card {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.article-header {
    background: var(--gradient-hero) !important;
    height: 100px;
}

.article-title {
    font-family: var(--font-heading);
    font-weight: 600;
}

.article-title a {
    color: var(--color-dark);
}

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

.article-readmore {
    color: var(--color-primary);
    font-weight: 600;
    transition: var(--transition);
}

.article-readmore:hover {
    color: var(--color-primary-dark);
    letter-spacing: 0.02em;
}

/* Category Cards */
.category-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-warm);
    opacity: 0;
    transition: var(--transition);
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

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

.category-card h3 {
    font-family: var(--font-heading);
    color: var(--color-primary);
}

.category-link {
    color: var(--color-primary);
    font-weight: 600;
    transition: var(--transition);
}

.category-link:hover {
    color: var(--color-primary-dark);
}

/* How We Test */
.how-we-test {
    background: var(--color-white);
}

.test-text h2 {
    font-family: var(--font-heading);
}

.test-text ul li {
    color: var(--color-text);
    position: relative;
    padding-left: 1.25rem;
}

.test-text ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

/* Post Styles */
.post-header {
    background: var(--gradient-hero);
}

.post-title {
    font-family: var(--font-heading);
    font-weight: 700;
}

.post-meta {
    font-family: var(--font-body);
    display: flex;
    justify-content: center;
    gap: 1rem;
    opacity: 0.9;
    flex-wrap: wrap;
}

.breadcrumbs a {
    color: rgba(255,255,255,0.85);
}

.breadcrumbs a:hover {
    color: var(--color-white);
}

/* Table of Contents */
.toc-details {
    background: var(--color-bg-warm);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    padding: 0;
}

.toc-summary {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-dark);
    cursor: pointer;
    padding: 1rem 1.5rem;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.toc-summary::-webkit-details-marker {
    display: none;
}

.toc-summary::after {
    content: '▸';
    font-size: 1rem;
    transition: transform 0.25s ease;
    color: var(--color-primary);
}

.toc-details[open] .toc-summary::after {
    transform: rotate(90deg);
}

.toc-details[open] .toc-summary {
    border-bottom: 1px solid var(--color-border);
}

.table-of-contents {
    padding: 1rem 1.5rem 1.5rem;
    margin: 0;
}

.table-of-contents ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.table-of-contents ul ul {
    padding-left: 1.25rem;
}

.table-of-contents li {
    margin-bottom: 0.4rem;
}

.table-of-contents a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
    line-height: 1.5;
}

.table-of-contents a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.table-of-contents h2,
.table-of-contents h3 {
    font-family: var(--font-heading);
    color: var(--color-dark);
    margin-top: 0;
}

.table-of-contents ul {
    list-style: none;
    padding-left: 0;
}

.table-of-contents ul ul {
    padding-left: 1.5rem;
}

.table-of-contents a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
    display: block;
    padding: 0.25rem 0;
}

.table-of-contents a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* Product Tables */
.product-table {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
}

.product-table tbody tr:hover {
    background: var(--color-bg-warm);
}

.check-price-btn {
    background: var(--gradient-warm);
    border-radius: 50px;
    padding: 0.65rem 1.25rem;
}

.check-price-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Blog Post Body */
.post-body h2 {
    font-family: var(--font-heading);
    border-bottom: 2px solid var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.post-body a {
    color: var(--color-primary);
}

.post-body a:hover {
    color: var(--color-primary-dark);
}

/* Affiliate Notice */
.affiliate-notice {
    background: var(--color-bg-warm);
    border-left: 4px solid var(--color-secondary);
    border-radius: var(--border-radius);
}

/* Related Posts */
.related-posts {
    background: var(--color-bg);
}

.post-card {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    background: var(--color-white);
    transition: var(--transition);
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.post-card .post-title a {
    color: var(--color-dark);
    font-family: var(--font-heading);
    font-weight: 600;
}

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

.post-card .post-excerpt {
    color: var(--color-text-light);
}

.post-card .read-more {
    color: var(--color-primary);
    font-weight: 600;
}

.post-card .read-more:hover {
    color: var(--color-primary-dark);
}

/* Post Navigation */
.post-navigation .nav-link {
    border: 1px solid var(--color-border);
}

.post-navigation .nav-link:hover {
    border-color: var(--color-primary);
}

.nav-title {
    color: var(--color-dark);
}

/* Footer */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
}

.footer-section a {
    color: rgba(255,255,255,0.75);
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
}

.affiliate-disclosure {
    color: rgba(255,255,255,0.85);
    font-size: 0.85rem;
    margin-top: 0.75rem;
}

/* Page Header */
.page-header {
    background: var(--gradient-hero);
}

.page-title {
    font-family: var(--font-heading);
    font-weight: 700;
}

/* Blog Listing */
.article-meta {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

/* Affilate Disclosure Section */
.affiliate-disclosure {
    background: var(--color-bg-warm);
    padding: 2rem 0;
}

.disclosure-content h3 {
    font-family: var(--font-heading);
    color: var(--color-dark);
}

/* Scroll Reveal Animations */
.post-card,
.feature-card,
.article-card,
.category-card {
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.post-card.visible,
.feature-card.visible,
.article-card.visible,
.category-card.visible {
    opacity: 1;
    transform: translateY(0);
}

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

/* Print Styles */
@media print {
    .header, .footer, .hero-buttons, .post-navigation, .related-posts {
        display: none;
    }
    .product-table {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    .check-price-btn {
        background: #f0f0f0;
        color: #000;
    }
}

/* Back to top button styling */
.back-to-top {
    background: var(--color-primary) !important;
}

.back-to-top:hover {
    background: var(--color-primary-dark) !important;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title::after {
        width: 40px;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
}