/* ========================================
   dishflavorguide - Premium Food Blog
   Design Philosophy: Warm, Editorial, Authentic
   ======================================== */

/* CSS Variables */
:root {
    /* Colors - Warm, appetizing palette */
    --color-primary: #C65D3B;
    --color-primary-dark: #A34A2E;
    --color-primary-light: #E88B6F;
    --color-secondary: #2C5530;
    --color-secondary-light: #4A7A4E;
    --color-accent: #D4A574;
    --color-gold: #C9A962;
    
    /* Neutrals */
    --color-cream: #FAF7F2;
    --color-cream-dark: #F0EBE3;
    --color-text: #2D2A26;
    --color-text-light: #5C5852;
    --color-text-muted: #8A8680;
    --color-white: #FFFFFF;
    --color-black: #1A1816;
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.15);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
    margin-bottom: 1rem;
}

/* Container */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-white);
    border: 1.5px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.8);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-primary);
}

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

/* ========================================
   Navigation
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: all var(--transition-normal);
}

.nav.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: var(--space-sm) 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.logo-icon {
    font-size: 1.75rem;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-white);
    transition: color var(--transition-normal);
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-normal);
}

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

.nav.scrolled .nav-link {
    color: var(--color-text-light);
}

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

.nav.scrolled .nav-link:hover {
    color: var(--color-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    transition: all var(--transition-normal);
}

.nav.scrolled .nav-toggle span {
    background-color: var(--color-text);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    0% { transform: scale(1.05); }
    100% { transform: scale(1.15); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.6) 0%,
        rgba(0, 0, 0, 0.3) 50%,
        rgba(0, 0, 0, 0.5) 100%
    );
}

.hero-content {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.hero-text {
    max-width: 700px;
}

.hero-tag {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.2s;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-md);
    line-height: 1.1;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.4s;
}

.hero-title em {
    font-style: italic;
    color: var(--color-primary-light);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.6s;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.8s;
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    opacity: 0;
    animation: fadeIn 1s ease forwards;
    animation-delay: 1.2s;
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    margin: var(--space-sm) auto 0;
    position: relative;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    animation: scrollBounce 1.5s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { top: 8px; opacity: 1; }
    50% { top: 20px; opacity: 0.5; }
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ========================================
   Categories Section
   ======================================== */
.categories {
    padding: var(--space-3xl) 0;
    background-color: var(--color-cream);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-tag {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.section-title {
    color: var(--color-text);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.category-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/5;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.category-image {
    position: absolute;
    inset: 0;
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.category-card:hover .category-image img {
    transform: scale(1.08);
}

.category-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.8) 0%,
        rgba(0, 0, 0, 0.2) 50%,
        rgba(0, 0, 0, 0.1) 100%
    );
}

.category-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-lg);
    color: var(--color-white);
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}

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

.category-count {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-accent);
    letter-spacing: 0.05em;
}

.category-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    margin: var(--space-xs) 0;
    color: var(--color-white);
}

.category-desc {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

/* ========================================
   Featured Section
   ======================================== */
.featured {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

.featured-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.featured-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--color-cream-dark);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    height: 100%;
}

.featured-card a {
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.featured-large {
    grid-row: span 2;
    align-self: stretch;
}

.featured-image {
    position: relative;
    overflow: hidden;
    flex: 1;
    min-height: 0;
}

.featured-large .featured-image {
    height: 100%;
}

.featured-card:not(.featured-large) .featured-image {
    height: 180px;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.featured-card:hover .featured-image img {
    transform: scale(1.05);
}

.featured-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.7) 0%,
        transparent 50%
    );
}

.featured-content {
    padding: var(--space-md) var(--space-lg);
}

.featured-large .featured-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-xl) var(--space-lg);
    color: var(--color-white);
}

.featured-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.featured-large .featured-category {
    color: var(--color-accent);
}

.featured-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--space-xs);
    transition: color var(--transition-fast);
}

.featured-large .featured-title {
    font-size: 2rem;
    color: var(--color-white);
}

.featured-card:not(.featured-large) .featured-title {
    color: var(--color-text);
}

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

.featured-excerpt {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: var(--space-xs);
}

.featured-large .featured-excerpt {
    color: rgba(255, 255, 255, 0.85);
}

.featured-meta {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.featured-large .featured-meta {
    color: rgba(255, 255, 255, 0.7);
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: var(--space-lg);
}

/* ========================================
   Latest Articles Section
   ======================================== */
.latest {
    padding: var(--space-3xl) 0;
    background-color: var(--color-cream);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.article-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.article-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.article-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.article-card:hover .article-image img {
    transform: scale(1.08);
}

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

.article-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.article-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
    transition: color var(--transition-fast);
}

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

.article-excerpt {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.load-more {
    text-align: center;
}

/* ========================================
   Newsletter Section
   ======================================== */
.newsletter {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.5rem);
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.newsletter-desc {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-lg);
}

.newsletter-form {
    display: flex;
    gap: var(--space-sm);
    max-width: 500px;
    margin: 0 auto var(--space-md);
}

.newsletter-form input {
    flex: 1;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    font-family: var(--font-body);
    border: none;
    border-radius: var(--radius-sm);
    background-color: rgba(255, 255, 255, 0.95);
    color: var(--color-text);
}

.newsletter-form input::placeholder {
    color: var(--color-text-muted);
}

.newsletter-form input:focus {
    outline: 2px solid var(--color-accent);
}

.newsletter-note {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: var(--color-black);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.footer-logo .logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-white);
}

.footer-desc {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--space-md);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    font-size: 1.25rem;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.footer-social a:hover {
    opacity: 1;
}

.footer-links h4 {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.footer-links a {
    display: block;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--space-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .featured-main {
        grid-template-columns: 1fr;
    }
    
    .featured-large {
        grid-row: auto;
    }
    
    .featured-large .featured-image {
        height: 350px;
    }
    
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xl);
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: 500px;
        height: auto;
        padding: 120px 0 60px;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-scroll {
        display: none;
    }

    .featured-card:not(.featured-large) .featured-image {
        height: 160px;
    }

    .featured-title {
        font-size: 1.125rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: var(--color-white);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-3xl) var(--space-lg);
        gap: var(--space-md);
        transition: right var(--transition-normal);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-link {
        color: var(--color-text);
        font-size: 1.125rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .category-card {
        aspect-ratio: 3/4;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 420px;
        padding: 100px 0 40px;
    }

    .hero-title {
        font-size: clamp(1.75rem, 9vw, 2.5rem);
    }

    .hero-subtitle {
        font-size: 0.9375rem;
        margin-bottom: var(--space-lg);
    }

    .hero-tagline {
        font-size: 0.6875rem;
    }

    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .featured-grid {
        grid-template-rows: auto;
    }
}

/* ========================================
   Animations
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger animation for grid items */
.categories-grid .category-card:nth-child(1) { transition-delay: 0.1s; }
.categories-grid .category-card:nth-child(2) { transition-delay: 0.2s; }
.categories-grid .category-card:nth-child(3) { transition-delay: 0.3s; }

.articles-grid .article-card:nth-child(1) { transition-delay: 0.1s; }
.articles-grid .article-card:nth-child(2) { transition-delay: 0.2s; }
.articles-grid .article-card:nth-child(3) { transition-delay: 0.3s; }
.articles-grid .article-card:nth-child(4) { transition-delay: 0.4s; }
.articles-grid .article-card:nth-child(5) { transition-delay: 0.5s; }
.articles-grid .article-card:nth-child(6) { transition-delay: 0.6s; }