/* ========================================
   RESET & BASE STYLES
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Colors */
    --primary-dark: #4A2511;
    --primary-color: #8B4513;
    --primary-light: #B36B4C;
    
    /* Accent Colors */
    --secondary-color: #DAA520;
    --secondary-light: #E8C87A;
    --accent-warm: #E67E22;
    
    /* Neutral Colors */
    --background-color: #FAF7F2;
    --card-bg: #FFFFFF;
    --text-color: #2C2C2C;
    --text-light: #666666;
    --text-muted: #999999;
    --border-color: #E8E0D5;
    --border-light: #F5F0E8;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(139, 69, 19, 0.08);
    --shadow-md: 0 2px 8px rgba(139, 69, 19, 0.12);
    --shadow-lg: 0 4px 16px rgba(139, 69, 19, 0.16);
    --shadow-hover: 0 6px 24px rgba(139, 69, 19, 0.2);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 0.75rem;
    --spacing-lg: 1rem;
    --spacing-xl: 1.25rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Typography */
    --font-system: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-display: 'Georgia', 'Times New Roman', serif;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
}

/* ========================================
   GLOBAL STYLES
   ======================================== */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-system);
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--background-color);
    font-size: 14px;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* ========================================
   HEADER
   ======================================== */
.header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.125rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.logo .subtitle {
    font-size: 0.7rem;
    opacity: 0.85;
}

.nav {
    display: flex;
    gap: var(--spacing-xs);
}

.nav-link {
    color: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* ========================================
   MAIN
   ======================================== */
.main {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm);
}

/* ========================================
   HERO
   ======================================== */
.hero {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
    color: var(--primary-dark);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.hero h2 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-display);
}

.hero p {
    font-size: 0.875rem;
    opacity: 0.9;
}

.page-header {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: white;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.page-header h2 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-display);
}

.page-header p {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* ========================================
   CATEGORIES GRID
   ======================================== */
.categories-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

/* ========================================
   CATEGORY MODULE
   ======================================== */
.category-module {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.category-module:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.category-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-header-info h3 {
    font-size: 1rem;
    font-weight: 700;
    font-family: var(--font-display);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.category-header-info p {
    font-size: 0.75rem;
    opacity: 0.9;
    margin-top: 0.125rem;
}

.category-arrow {
    font-size: 1.25rem;
    opacity: 0.9;
    transition: transform var(--transition-fast);
}

.category-module:hover .category-arrow {
    transform: translateX(3px);
}

/* ========================================
   ARTICLE CARDS
   ======================================== */
.category-content {
    padding: var(--spacing-md);
}

.category-articles {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.article-card {
    background: var(--background-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.article-card:hover {
    transform: scale(1.02);
}

.article-card img {
    width: 100%;
    height: 70px;
    object-fit: cover;
}

.article-card-content {
    padding: var(--spacing-sm);
}

.article-card h4 {
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 0.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: var(--text-color);
}

.article-meta {
    display: flex;
    gap: 0.25rem;
    flex-wrap: wrap;
}

.meta-tag {
    background: var(--accent-warm);
    color: white;
    padding: 0.125rem 0.375rem;
    border-radius: 10px;
    font-size: 0.6rem;
    font-weight: 500;
    white-space: nowrap;
}

/* ========================================
   ALL CATEGORIES PAGE
   ======================================== */
.all-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.category-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.category-card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.category-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-color);
    font-family: var(--font-display);
}

.category-card p {
    font-size: 0.75rem;
    color: var(--text-light);
    line-height: 1.4;
}

.category-card .count {
    display: inline-block;
    margin-top: var(--spacing-sm);
    font-size: 0.7rem;
    color: var(--text-muted);
    background: var(--background-color);
    padding: 0.25rem 0.5rem;
    border-radius: 10px;
}

/* ========================================
   CATEGORY DETAIL
   ======================================== */
.category-detail {
    margin-top: var(--spacing-md);
}

.back-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    box-shadow: var(--shadow-sm);
}

.back-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.articles-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.article-card-large {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    transition: all var(--transition-base);
    cursor: pointer;
}

.article-card-large:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.article-card-large img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.article-card-large-content {
    padding: var(--spacing-md);
}

.article-card-large h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-color);
    font-family: var(--font-display);
}

.article-card-large p {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

.article-info-row {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.article-info-item {
    background: var(--background-color);
    padding: 0.25rem 0.5rem;
    border-radius: 10px;
    color: var(--text-color);
    font-size: 0.7rem;
    font-weight: 500;
}

/* ========================================
   ARTICLE DETAIL PAGE
   ======================================== */
.article-detail {
    padding: 0;
}

.article-detail-header {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
}

.article-detail-header img {
    width: 100%;
    height: 240px;
    object-fit: cover;
}

.article-detail-content {
    padding: var(--spacing-md);
}

.article-detail-title {
    font-size: 1.375rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

.article-detail-meta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.article-detail-meta span {
    font-size: 0.75rem;
    color: var(--text-light);
    background: var(--background-color);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

.article-description {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-color);
    margin-bottom: var(--spacing-lg);
}

.detail-section {
    margin-bottom: var(--spacing-lg);
}

.detail-section-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
    font-family: var(--font-display);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.ingredients-list {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.ingredients-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    position: relative;
    font-size: 0.85rem;
}

.ingredients-list li:last-child {
    border-bottom: none;
}

.ingredients-list li::before {
    content: '🥩';
    position: absolute;
    left: 0;
    font-size: 0.8rem;
}

.steps-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.step-item {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    padding-left: 3.5rem;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.step-item::before {
    counter-increment: step-counter;
    content: counter(step-counter);
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: white;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
}

.steps-list {
    counter-reset: step-counter;
}

.step-title {
    font-size: 0.95rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-color);
    font-weight: 600;
}

.step-content {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-color);
}

.tips-section {
    background: linear-gradient(135deg, #FFF9E6 0%, #FFF5E6 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
    border: 1px solid var(--secondary-light);
}

.tips-title {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
    font-family: var(--font-display);
    font-weight: 700;
}

.tips-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--text-color);
    font-size: 0.85rem;
}

.tips-list li::before {
    content: '💡';
    position: absolute;
    left: 0;
}

.tags-container {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--border-color);
}

.tag {
    background: linear-gradient(135deg, var(--secondary-light), var(--secondary-color));
    color: var(--text-color);
    padding: 0.375rem 0.75rem;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 500;
}

.view-more-btn {
    margin-top: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    box-shadow: var(--shadow-md);
}

/* ========================================
   CONTENT PAGES
   ======================================== */
.content-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.content-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.content-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
    font-family: var(--font-display);
    font-weight: 700;
}

.content-card p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
    line-height: 1.6;
}

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

.simple-list {
    list-style: disc;
    padding-left: var(--spacing-lg);
    margin: var(--spacing-sm) 0;
}

.simple-list li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-color);
    font-size: 0.85rem;
}

/* ========================================
   CONTACT FORM
   ======================================== */
.contact-form {
    max-width: 100%;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    background: var(--card-bg);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(139, 69, 19, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    width: 100%;
}

.contact-info {
    margin-top: var(--spacing-md);
}

.contact-item {
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.contact-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: white;
    padding: var(--spacing-lg) var(--spacing-md);
    margin-top: var(--spacing-lg);
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-nav {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.footer-link {
    color: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    transition: all var(--transition-fast);
}

.footer-link:hover,
.footer-link.active {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

.footer-content p {
    margin-bottom: var(--spacing-xs);
    font-size: 0.8rem;
    opacity: 0.95;
}

.footer-note {
    font-size: 0.75rem;
    opacity: 0.75;
}

/* ========================================
   RESPONSIVE
   ======================================== */

/* Small Mobile */
@media (max-width: 374px) {
    .header-content {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .logo h1 {
        font-size: 1rem;
    }
    
    .nav-link {
        padding: 0.25rem 0.5rem;
        font-size: 0.7rem;
    }
    
    .category-articles {
        grid-template-columns: 1fr;
    }
    
    .article-card img {
        height: 90px;
    }
    
    .all-categories {
        grid-template-columns: 1fr;
    }
}

/* Mobile */
@media (min-width: 375px) and (max-width: 767px) {
    .header-content {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

/* Tablet */
@media (min-width: 768px) {
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .category-articles {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .all-categories {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .articles-list {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero h2,
    .page-header h2 {
        font-size: 1.625rem;
    }
    
    .logo h1 {
        font-size: 1.25rem;
    }
    
    .article-detail-header img {
        height: 320px;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .main {
        padding: var(--spacing-md);
    }
    
    .article-card-large {
        flex-direction: row;
    }
    
    .article-card-large img {
        width: 320px;
        height: 200px;
    }
    
    .articles-list {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .all-categories {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.category-module,
.category-card,
.article-card,
.article-card-large,
.content-card {
    animation: fadeIn 0.4s ease forwards;
}

.category-module:nth-child(1) { animation-delay: 0.05s; }
.category-module:nth-child(2) { animation-delay: 0.1s; }
.category-module:nth-child(3) { animation-delay: 0.15s; }
.category-module:nth-child(4) { animation-delay: 0.2s; }

.category-card {
    animation-delay: 0.1s;
}

/* ========================================
   ACCESSIBILITY
   ======================================== */
button:focus,
a:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}