/* CSS Variables */
:root {
    --color-primary: #2d2d2d;
    --color-secondary: #8b5a2b;
    --color-accent: #d4a574;
    --color-text: #333;
    --color-text-light: #666;
    --color-bg: #faf9f7;
    --color-card: #ffffff;
    --color-border: #e5e5e5;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --radius: 8px;
    --container-width: 1200px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4 {
    line-height: 1.3;
    color: var(--color-primary);
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--color-secondary);
}

h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--color-accent);
}

/* Header */
.site-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, #4a4a4a 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.site-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: white;
}

.site-tagline {
    font-size: 1.2rem;
    opacity: 0.9;
    color: var(--color-accent);
}

/* Navigation */
.main-nav {
    background: white;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.nav-links {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 0;
}

.nav-links a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--color-text);
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-links a:hover {
    background: var(--color-bg);
    color: var(--color-secondary);
}

/* Sections */
.content-section {
    padding: 4rem 0;
    border-bottom: 1px solid var(--color-border);
}

.intro-section {
    padding: 3rem 0;
    text-align: center;
    font-size: 1.15rem;
    max-width: 800px;
    margin: 0 auto;
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.info-card {
    background: var(--color-card);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--color-secondary);
}

.info-card h3 {
    color: var(--color-secondary);
    font-size: 1.1rem;
}

/* Grinder Types */
.grinder-type {
    background: var(--color-card);
    padding: 2rem;
    border-radius: var(--radius);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.grinder-type h3 {
    font-size: 1.5rem;
    color: var(--color-secondary);
}

.pros-cons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.pros h4 {
    color: #2e7d32;
}

.cons h4 {
    color: #c62828;
}

.pros ul, .cons ul {
    list-style: none;
    padding-left: 0;
}

.pros li::before {
    content: '+ ';
    color: #2e7d32;
    font-weight: bold;
}

.cons li::before {
    content: '- ';
    color: #c62828;
    font-weight: bold;
}

.recommendation {
    background: var(--color-bg);
    padding: 1rem;
    border-radius: var(--radius);
    font-style: italic;
    border-left: 3px solid var(--color-accent);
}

/* Grind Chart */
.grind-chart {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.grind-level {
    text-align: center;
    padding: 1.5rem;
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.grind-visual {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: var(--color-primary);
}

.grind-visual.fine {
    background: repeating-radial-gradient(circle, #2d2d2d, #2d2d2d 1px, #4a4a4a 1px, #4a4a4a 2px);
}

.grind-visual.medium {
    background: repeating-radial-gradient(circle, #2d2d2d, #2d2d2d 2px, #4a4a4a 2px, #4a4a4a 4px);
}

.grind-visual.coarse {
    background: repeating-radial-gradient(circle, #2d2d2d, #2d2d2d 4px, #4a4a4a 4px, #4a4a4a 8px);
}

.grind-visual.cracked {
    background: repeating-radial-gradient(circle, #2d2d2d, #2d2d2d 6px, #4a4a4a 6px, #4a4a4a 12px);
}

.pro-tip {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    color: white;
    padding: 1.5rem;
    border-radius: var(--radius);
    margin-top: 2rem;
}

.pro-tip h4 {
    color: white;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background: var(--color-card);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.product-card.featured {
    border: 2px solid var(--color-secondary);
}

.badge {
    display: inline-block;
    background: var(--color-secondary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.badge.premium {
    background: #7b1fa2;
}

.product-type {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.product-features {
    list-style: none;
    margin: 1rem 0;
    padding: 1rem 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.product-features li {
    padding: 0.25rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
}

.cta-button {
    display: inline-block;
    background: var(--color-secondary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    text-align: center;
    width: 100%;
    transition: background 0.2s;
}

.cta-button:hover {
    background: #6d4422;
    color: white;
}

/* Peppercorn Guide */
.peppercorn-guide {
    display: grid;
    gap: 1.5rem;
    margin: 2rem 0;
}

.peppercorn-type {
    background: var(--color-card);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.peppercorn-type h3 {
    color: var(--color-secondary);
}

.peppercorn-type h4 {
    margin-top: 1rem;
    font-size: 1rem;
}

.text-link {
    display: inline-block;
    margin-top: 0.5rem;
    font-weight: 500;
}

.buying-tip {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 1.5rem;
    border-radius: var(--radius);
}

.buying-tip h4 {
    color: var(--color-secondary);
}

/* Care Tips */
.care-tips {
    display: grid;
    gap: 1.5rem;
}

.tip {
    background: var(--color-card);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.tip h3 {
    color: var(--color-secondary);
    font-size: 1.2rem;
}

/* FAQ */
.faq-list {
    display: grid;
    gap: 1rem;
}

.faq-item {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-item summary {
    padding: 1.25rem;
    cursor: pointer;
    font-weight: 600;
    color: var(--color-primary);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--color-secondary);
}

.faq-item[open] summary::after {
    content: '−';
}

.faq-item p {
    padding: 0 1.25rem 1.25rem;
    color: var(--color-text-light);
}

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

/* Footer */
.site-footer {
    background: var(--color-primary);
    color: white;
    padding: 2rem 0;
    margin-top: 3rem;
    text-align: center;
}

.site-footer p {
    margin-bottom: 0.5rem;
}

.affiliate-disclosure {
    font-size: 0.85rem;
    opacity: 0.8;
    max-width: 600px;
    margin: 0.5rem auto 0;
}

/* Responsive */
@media (max-width: 768px) {
    .site-title {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    .nav-links {
        flex-direction: column;
        align-items: center;
    }

    .content-section {
        padding: 2.5rem 0;
    }

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

    .grind-chart {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .grind-chart {
        grid-template-columns: 1fr;
    }

    .pros-cons {
        grid-template-columns: 1fr;
    }
}