/* ==========================================================================
   RETRO PHOTO - VINTAGE PHOTOGRAPHY BLOG
   Design System & Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables & Theme
   -------------------------------------------------------------------------- */
:root {
    /* Color Palette - Warm Sepia Tones */
    --color-cream: #F5F0E8;
    --color-cream-dark: #EDE5D8;
    --color-sepia: #8B7355;
    --color-sepia-light: #A69076;
    --color-sepia-dark: #5C4A3A;
    --color-brown: #3D2E1F;
    --color-brown-light: #6B5744;
    --color-gold: #C4A35A;
    --color-gold-light: #D4B978;
    --color-rust: #9C4A2D;
    --color-black: #1A1612;
    --color-white: #FFFEF9;
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Source Serif 4', Georgia, serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Borders */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(26, 22, 18, 0.08);
    --shadow-md: 0 4px 20px rgba(26, 22, 18, 0.12);
    --shadow-lg: 0 8px 40px rgba(26, 22, 18, 0.16);
    --shadow-vintage: 0 0 0 1px rgba(139, 115, 85, 0.1), 0 4px 20px rgba(26, 22, 18, 0.1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-brown);
    background-color: var(--color-cream);
    overflow-x: hidden;
}

/* Grain Overlay for Vintage Effect */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

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

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.2;
    color: var(--color-black);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); }

p {
    margin-bottom: var(--space-md);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(245, 240, 232, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(139, 115, 85, 0.1);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-black);
}

.logo-icon {
    font-size: 1.75rem;
    color: var(--color-sepia);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.logo-accent {
    color: var(--color-sepia);
}

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

.nav-link {
    position: relative;
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    color: var(--color-brown-light);
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-black);
}

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

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

.search-btn {
    padding: var(--space-sm);
    color: var(--color-brown-light);
    transition: color var(--transition-fast);
}

.search-btn:hover {
    color: var(--color-sepia);
}

.menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-brown);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 var(--space-4xl);
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-cream-dark) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(ellipse at 70% 30%, rgba(196, 163, 90, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-sepia);
    background: rgba(139, 115, 85, 0.1);
    border-radius: var(--border-radius-sm);
    animation: fadeInUp 0.8s ease forwards;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-gold);
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero-title {
    margin-bottom: var(--space-lg);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 500;
    line-height: 1.1;
    animation: fadeInUp 0.8s ease 0.1s forwards;
    opacity: 0;
}

.title-highlight {
    display: block;
    color: var(--color-sepia);
    font-style: italic;
}

.hero-subtitle {
    max-width: 540px;
    margin-bottom: var(--space-xl);
    font-size: 1.125rem;
    color: var(--color-brown-light);
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    animation: fadeInUp 0.8s ease 0.3s forwards;
    opacity: 0;
}

/* Hero Visual - Camera Animation */
.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
    opacity: 0.15;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(-50%) rotate(0deg); }
    50% { transform: translateY(-55%) rotate(2deg); }
}

.camera-frame {
    position: relative;
    width: 100%;
    height: 100%;
}

.viewfinder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border: 3px solid var(--color-sepia);
    border-radius: 50%;
}

.viewfinder::before,
.viewfinder::after {
    content: '';
    position: absolute;
    background: var(--color-sepia);
}

.viewfinder::before {
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
}

.viewfinder::after {
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
}

.lens-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 280px;
    height: 280px;
    border: 2px dashed var(--color-sepia-light);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.aperture-blades {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 350px;
    height: 350px;
    border: 1px solid rgba(139, 115, 85, 0.3);
    border-radius: 50%;
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-sepia-light);
    animation: fadeIn 1s ease 1s forwards;
    opacity: 0;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-sepia-light), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.5); opacity: 0.5; }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-base);
}

.btn-primary {
    color: var(--color-white);
    background: var(--color-sepia-dark);
    box-shadow: 0 4px 12px rgba(92, 74, 58, 0.3);
}

.btn-primary:hover {
    background: var(--color-brown);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(92, 74, 58, 0.4);
}

.btn-secondary {
    color: var(--color-sepia-dark);
    background: transparent;
    border: 1px solid var(--color-sepia-light);
}

.btn-secondary:hover {
    background: var(--color-sepia-dark);
    color: var(--color-white);
    border-color: var(--color-sepia-dark);
}

/* --------------------------------------------------------------------------
   Section Styles
   -------------------------------------------------------------------------- */
section {
    padding: var(--space-4xl) 0;
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.section-number {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-gold);
    letter-spacing: 0.1em;
}

.section-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 500;
}

.section-link {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-sepia);
    letter-spacing: 0.05em;
    transition: color var(--transition-fast);
}

.section-link:hover {
    color: var(--color-gold);
}

/* --------------------------------------------------------------------------
   Featured Article
   -------------------------------------------------------------------------- */
.featured-section {
    background: var(--color-cream-dark);
}

.featured-article {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.featured-image {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--color-cream);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.image-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-cream-dark) 100%);
}

.placeholder-icon {
    font-size: 3rem;
    opacity: 0.3;
}

.placeholder-text {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-sepia-light);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.image-frame {
    position: absolute;
    inset: var(--space-md);
    border: 1px solid rgba(139, 115, 85, 0.2);
    border-radius: var(--border-radius-sm);
    pointer-events: none;
}

.featured-content {
    padding: var(--space-lg) 0;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.category {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(196, 163, 90, 0.15);
    border-radius: var(--border-radius-sm);
}

.date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-sepia-light);
}

.featured-title {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.featured-excerpt {
    color: var(--color-brown-light);
    margin-bottom: var(--space-lg);
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
    color: var(--color-sepia);
    transition: gap var(--transition-fast), color var(--transition-fast);
}

.read-more:hover {
    gap: var(--space-md);
    color: var(--color-gold);
}

/* --------------------------------------------------------------------------
   Articles Grid
   -------------------------------------------------------------------------- */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.article-card {
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-vintage);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.article-card .card-image {
    aspect-ratio: 16/10;
    background: var(--color-cream-dark);
    overflow: hidden;
}

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

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

.article-card .card-content {
    padding: var(--space-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-card .card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.article-card .card-title {
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.article-card .card-excerpt {
    font-size: 0.9rem;
    color: var(--color-brown-light);
    margin-bottom: var(--space-md);
    flex: 1;
}

.article-card .card-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-sepia);
}

/* Skeleton Loaders */
.article-skeleton {
    background: var(--color-white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-vintage);
}

.skeleton-image {
    aspect-ratio: 16/10;
    background: linear-gradient(90deg, var(--color-cream-dark) 25%, var(--color-cream) 50%, var(--color-cream-dark) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

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

.skeleton-line {
    height: 12px;
    background: linear-gradient(90deg, var(--color-cream-dark) 25%, var(--color-cream) 50%, var(--color-cream-dark) 75%);
    background-size: 200% 100%;
    border-radius: 4px;
    margin-bottom: var(--space-sm);
    animation: shimmer 1.5s infinite;
}

.skeleton-line.short {
    width: 40%;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* --------------------------------------------------------------------------
   Categories Section
   -------------------------------------------------------------------------- */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.category-card {
    position: relative;
    padding: var(--space-xl);
    background: var(--color-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-vintage);
    transition: all var(--transition-base);
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

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

.category-card:hover::before {
    transform: scaleX(1);
}

.category-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    color: var(--color-sepia);
    background: rgba(139, 115, 85, 0.1);
    border-radius: var(--border-radius-sm);
}

.category-name {
    font-size: 1.1rem;
    margin-bottom: var(--space-xs);
}

.category-desc {
    font-size: 0.85rem;
    color: var(--color-brown-light);
    margin-bottom: var(--space-md);
}

.category-count {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-sepia-light);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   Newsletter Section
   -------------------------------------------------------------------------- */
.newsletter-section {
    background: var(--color-brown);
    color: var(--color-cream);
}

.newsletter-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-3xl);
    align-items: center;
    padding: var(--space-3xl);
    background: linear-gradient(135deg, var(--color-sepia-dark) 0%, var(--color-brown) 100%);
    border-radius: var(--border-radius-lg);
    position: relative;
    overflow: hidden;
}

.newsletter-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-md);
}

.newsletter-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--color-cream);
    margin-bottom: var(--space-md);
}

.newsletter-text {
    color: var(--color-sepia-light);
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.newsletter-form .input-group {
    display: flex;
    gap: var(--space-sm);
}

.newsletter-form input {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-brown);
    background: var(--color-cream);
    border: none;
    border-radius: var(--border-radius-sm);
}

.newsletter-form input::placeholder {
    color: var(--color-sepia-light);
}

.form-note {
    font-size: 0.75rem;
    color: var(--color-sepia-light);
    margin-top: var(--space-sm);
}

/* Film Strip Visual */
.newsletter-visual {
    position: relative;
}

.film-strip {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--color-brown-light);
    border-radius: var(--border-radius-sm);
}

.film-hole {
    width: 12px;
    height: 12px;
    background: var(--color-brown);
    border-radius: 2px;
}

.film-frame {
    width: 100px;
    height: 70px;
    background: var(--color-cream-dark);
    border-radius: 2px;
    margin: var(--space-xs) 0;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    background: var(--color-black);
    color: var(--color-cream);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand .logo {
    margin-bottom: var(--space-md);
}

.footer-brand .logo-text {
    color: var(--color-cream);
}

.footer-tagline {
    color: var(--color-sepia-light);
    font-size: 0.9rem;
    margin-bottom: var(--space-lg);
    max-width: 280px;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-sepia-light);
    background: rgba(139, 115, 85, 0.1);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    color: var(--color-cream);
    background: var(--color-sepia);
}

.footer-links h4 {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-cream);
    margin-bottom: var(--space-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-sepia-light);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(139, 115, 85, 0.2);
    font-size: 0.85rem;
    color: var(--color-sepia-light);
}

.made-with {
    font-style: italic;
}

/* --------------------------------------------------------------------------
   Search Modal
   -------------------------------------------------------------------------- */
.search-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 15vh;
    background: rgba(26, 22, 18, 0.9);
    backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.search-modal.active {
    opacity: 1;
    visibility: visible;
}

.search-modal-content {
    width: 100%;
    max-width: 600px;
    padding: var(--space-xl);
    background: var(--color-cream);
    border-radius: var(--border-radius-md);
    transform: translateY(-20px);
    transition: transform var(--transition-base);
}

.search-modal.active .search-modal-content {
    transform: translateY(0);
}

.search-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    font-size: 2rem;
    color: var(--color-cream);
    background: none;
    border: none;
    cursor: pointer;
}

.search-form {
    display: flex;
    gap: var(--space-sm);
}

.search-form input {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--color-sepia-light);
    border-radius: var(--border-radius-sm);
    background: var(--color-white);
}

.search-form button {
    padding: var(--space-md);
    background: var(--color-sepia-dark);
    color: var(--color-white);
    border-radius: var(--border-radius-sm);
}

.search-suggestions {
    margin-top: var(--space-md);
    font-size: 0.85rem;
    color: var(--color-brown-light);
}

.search-suggestions a {
    display: inline-block;
    margin-left: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(139, 115, 85, 0.1);
    border-radius: var(--border-radius-sm);
    color: var(--color-sepia);
}

/* --------------------------------------------------------------------------
   Mobile Menu
   -------------------------------------------------------------------------- */
.mobile-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    background: var(--color-cream);
    padding: var(--space-xl);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.mobile-link {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-brown);
}

.mobile-link.active {
    color: var(--color-sepia);
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --------------------------------------------------------------------------
   Article Page Styles
   -------------------------------------------------------------------------- */
.article-page {
    padding-top: 120px;
}

.article-header {
    max-width: 800px;
    margin: 0 auto var(--space-3xl);
    text-align: center;
}

.article-header .category {
    margin-bottom: var(--space-md);
}

.article-header h1 {
    margin-bottom: var(--space-md);
    font-size: clamp(2rem, 4vw, 3rem);
}

.article-header .meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    color: var(--color-brown-light);
    font-size: 0.9rem;
}

.article-hero-image {
    max-width: 1000px;
    margin: 0 auto var(--space-3xl);
    aspect-ratio: 16/9;
    background: var(--color-cream-dark);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.article-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-content {
    max-width: 720px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-content h2 {
    margin-top: var(--space-3xl);
    margin-bottom: var(--space-lg);
}

.article-content h3 {
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
}

.article-content p {
    margin-bottom: var(--space-lg);
}

.article-content img {
    width: 100%;
    margin: var(--space-2xl) 0;
    border-radius: var(--border-radius-md);
}

.article-content blockquote {
    margin: var(--space-2xl) 0;
    padding: var(--space-lg) var(--space-xl);
    border-left: 3px solid var(--color-gold);
    background: var(--color-cream-dark);
    font-style: italic;
    color: var(--color-sepia-dark);
}

.article-content ul,
.article-content ol {
    margin: var(--space-lg) 0;
    padding-left: var(--space-xl);
}

.article-content li {
    margin-bottom: var(--space-sm);
}

.article-content a {
    color: var(--color-sepia);
    text-decoration: underline;
    text-decoration-color: var(--color-gold);
    text-underline-offset: 3px;
}

.article-content a:hover {
    color: var(--color-gold);
}

/* Table of Contents */
.toc {
    background: var(--color-cream-dark);
    padding: var(--space-xl);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--space-2xl);
}

.toc h4 {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
    color: var(--color-sepia);
}

.toc ul {
    margin: 0;
    padding-left: var(--space-md);
}

.toc li {
    margin-bottom: var(--space-xs);
}

.toc a {
    color: var(--color-brown-light);
    text-decoration: none;
    font-size: 0.9rem;
}

.toc a:hover {
    color: var(--color-sepia);
}

/* Author Box */
.author-box {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-xl);
    margin-top: var(--space-3xl);
    background: var(--color-cream-dark);
    border-radius: var(--border-radius-md);
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--color-sepia-light);
}

.author-info h4 {
    font-size: 1.1rem;
    margin-bottom: var(--space-xs);
}

.author-info p {
    font-size: 0.9rem;
    color: var(--color-brown-light);
    margin-bottom: 0;
}

/* Related Articles */
.related-articles {
    margin-top: var(--space-4xl);
    padding-top: var(--space-3xl);
    border-top: 1px solid rgba(139, 115, 85, 0.2);
}

.related-articles h3 {
    margin-bottom: var(--space-xl);
}

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

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }
    
    .featured-article {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .newsletter-card {
        grid-template-columns: 1fr;
    }
    
    .newsletter-visual {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .menu-btn {
        display: flex;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .newsletter-form .input-group {
        flex-direction: column;
    }
    
    .search-form {
        flex-direction: column;
    }
}