/* CSS Variables */
:root {
    --color-primary: #d4a574;
    --color-primary-dark: #b8956a;
    --color-secondary: #8b4513;
    --color-accent: #f5e6d3;
    --color-bg: #fefcfa;
    --color-bg-alt: #f8f4f0;
    --color-text: #3d3d3d;
    --color-text-light: #666666;
    --color-white: #ffffff;
    --color-border: #e8e0d8;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
}

img {
    max-width: 100%;
    height: auto;
}

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

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

/* Typography */
h1, h2, h3, h4 {
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--color-secondary);
}

h1 {
    font-size: 2.75rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.35rem;
    font-weight: 600;
}

h4 {
    font-size: 1.1rem;
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
}

ul, ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Navigation */
header.hero {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #a0522d 100%);
    color: var(--color-white);
    padding-bottom: 4rem;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    padding: 0;
    margin: 0;
}

.nav-links a {
    color: rgba(255,255,255,0.9);
    font-weight: 500;
    transition: color 0.2s;
}

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

.hero-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3rem 1.5rem;
    text-align: center;
}

.hero-content h1 {
    color: var(--color-white);
    margin-bottom: 1.25rem;
}

.hero-content p {
    font-size: 1.2rem;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
}

/* Sections */
.section {
    padding: 4rem 0;
}

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

/* Intro Section */
.intro p {
    font-size: 1.1rem;
    max-width: 800px;
}

/* Water Ratio Section */
.ratio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.ratio-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.ratio-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.ratio-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 0.75rem;
}

.ratio-card ul {
    font-size: 0.95rem;
    color: var(--color-text-light);
}

.tip-box {
    background: var(--color-accent);
    border-left: 4px solid var(--color-primary);
    padding: 1.5rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.tip-box h4 {
    margin-bottom: 0.5rem;
}

.tip-box p {
    margin-bottom: 0;
}

/* Types Section */
.type-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.type-item {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.type-item h3 {
    color: var(--color-secondary);
    margin-bottom: 0.5rem;
}

.type-item p {
    margin-bottom: 0.75rem;
}

/* Tips Section */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.tip-card {
    background: var(--color-white);
    padding: 1.75rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.tip-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
}

.tip-card p:last-child {
    margin-bottom: 0;
}

/* Beyond Rice Section */
.recipe-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.recipe-card {
    background: var(--color-white);
    padding: 1.75rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.recipe-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    color: var(--color-secondary);
}

.recipe-card p:last-child {
    margin-bottom: 0;
}

/* Troubleshooting Section */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.5rem;
}

.problem-card {
    background: var(--color-white);
    padding: 1.75rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.problem-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--color-secondary);
}

.problem-card p:last-child {
    margin-bottom: 0;
}

/* Care Section */
.care-content {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.care-tips h3 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.care-tips h3:first-child {
    margin-top: 0;
}

.care-tips ul {
    margin-bottom: 1.5rem;
}

/* Product Recommendations */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.product-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    position: relative;
    display: flex;
    flex-direction: column;
}

.product-card.featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.badge {
    display: inline-block;
    background: var(--color-secondary);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-card.featured .badge {
    background: var(--color-primary-dark);
}

.product-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.capacity {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

.features {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
    font-size: 0.95rem;
}

.features li {
    padding-left: 1.25rem;
    position: relative;
    margin-bottom: 0.4rem;
}

.features li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--color-primary-dark);
    font-weight: bold;
}

.product-link {
    display: inline-block;
    background: var(--color-secondary);
    color: var(--color-white);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-align: center;
    margin-top: auto;
    transition: background-color 0.2s;
}

.product-link:hover {
    background: var(--color-primary-dark);
    color: var(--color-white);
}

/* Accessories */
.accessories-section {
    background: var(--color-bg-alt);
    padding: 2rem;
    border-radius: var(--radius-md);
}

.accessories-section h3 {
    margin-bottom: 1.5rem;
}

.accessory-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.accessory-item {
    background: var(--color-white);
    padding: 1.5rem;
    border-radius: var(--radius-sm);
}

.accessory-item h4 {
    margin-bottom: 0.5rem;
}

.accessory-item p {
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.accessory-item a {
    font-weight: 600;
}

/* FAQ Section */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.faq-item {
    background: var(--color-white);
    padding: 1.75rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.faq-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--color-secondary);
}

.faq-item p {
    margin-bottom: 0;
}

/* Footer */
footer {
    background: var(--color-secondary);
    color: var(--color-white);
    padding: 2.5rem 0;
    text-align: center;
}

footer p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.affiliate-disclosure {
    font-size: 0.85rem;
    opacity: 0.75;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    .nav-container {
        flex-direction: column;
        text-align: center;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .hero-content {
        padding: 2rem 1.5rem;
    }

    .hero-content p {
        font-size: 1.05rem;
    }

    .section {
        padding: 3rem 0;
    }

    .ratio-grid,
    .tips-grid,
    .recipe-grid,
    .problem-grid,
    .product-grid {
        grid-template-columns: 1fr;
    }

    .ratio-number {
        font-size: 2rem;
    }

    .type-item,
    .care-content {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }

    .container {
        padding: 0 1rem;
    }

    .ratio-card,
    .tip-card,
    .recipe-card,
    .problem-card,
    .product-card,
    .faq-item {
        padding: 1.25rem;
    }
}

/* Print Styles */
@media print {
    .nav-container,
    .product-link,
    footer {
        display: none;
    }

    body {
        font-size: 12pt;
    }

    .section {
        page-break-inside: avoid;
    }
}