/* ============================================
   ABDUS SALAM — VINTAGE MODERN BLOG
   Color Palette:
   - Background: #FAF6F0 (warm cream)
   - Text: #2A2A2A (soft charcoal)
   - Accent: #C75B39 (terracotta)
   - Secondary: #7A8B69 (sage green)
   - Light: #E8E4DC (borders/dividers)
   ============================================ */

/* CSS Variables */
:root {
    --bg-primary: #FAF6F0;
    --bg-secondary: #F5F1E8;
    --text-primary: #2A2A2A;
    --text-secondary: #5A5A5A;
    --text-muted: #8A8A8A;
    --accent: #C75B39;
    --accent-hover: #A8482E;
    --secondary: #7A8B69;
    --border: #E8E4DC;
    --shadow: rgba(42, 42, 42, 0.08);
    
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    --container-max: 1200px;
    --container-narrow: 720px;
}

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

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

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

/* Grain Texture Overlay */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' 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");
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); }
h3 { font-size: 1.5rem; }

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

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

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

em {
    font-style: italic;
}

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

/* Header */
.site-header {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border);
    background-color: var(--bg-primary);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

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

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

.main-nav a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: width 0.3s ease;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--text-primary);
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    padding: var(--spacing-xxl) 0 var(--spacing-xl);
    text-align: center;
}

.hero-greeting {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--accent);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.hero-title {
    max-width: 800px;
    margin: 0 auto var(--spacing-md);
}

.hero-title em {
    color: var(--accent);
}

.hero-subtitle {
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Featured Image */
.featured-image {
    padding-bottom: var(--spacing-xl);
}

.hero-figure {
    position: relative;
}

.hero-figure img {
    width: 100%;
    height: 60vh;
    max-height: 600px;
    object-fit: cover;
    border-radius: 4px;
}

.hero-figure figcaption {
    text-align: center;
    margin-top: var(--spacing-sm);
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Section Headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border);
}

.section-header h2 {
    margin-bottom: 0;
    font-size: 1.75rem;
}

.view-all {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Posts Grid */
.recent-posts {
    padding: var(--spacing-xl) 0;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.post-card {
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border-radius: 4px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow);
}

.post-date {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.post-title {
    font-size: 1.35rem;
    margin-bottom: var(--spacing-xs);
}

.post-title a {
    color: var(--text-primary);
}

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

.post-excerpt {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.post-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--secondary);
    padding: 0.25rem 0.75rem;
    background-color: var(--bg-primary);
    border-radius: 20px;
}

/* Quote Section */
.quote-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--bg-secondary);
    margin: var(--spacing-xl) 0;
}

.quote-section blockquote {
    max-width: var(--container-narrow);
    margin: 0 auto;
    text-align: center;
}

.quote-section blockquote p {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-style: italic;
    line-height: 1.4;
    margin-bottom: var(--spacing-md);
}

.quote-section cite {
    color: var(--text-muted);
    font-style: normal;
    font-size: 0.9rem;
}

/* Photo Teaser */
.photo-teaser {
    padding: var(--spacing-xl) 0;
}

.photo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

.photo-grid img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 4px;
    transition: transform 0.3s ease;
    cursor: pointer;
}

.photo-grid img:hover {
    transform: scale(1.02);
}

/* Footer */
.site-footer {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    border-top: 1px solid var(--border);
    margin-top: var(--spacing-xl);
    text-align: center;
}

.site-footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.footer-links {
    font-size: 0.85rem;
}

.footer-links a {
    color: var(--text-secondary);
}

.separator {
    margin: 0 var(--spacing-xs);
    color: var(--text-muted);
}

/* Page Header */
.page-header {
    padding: var(--spacing-xxl) 0 var(--spacing-xl);
    text-align: center;
}

.page-header h1 {
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto;
}

/* About Page */
.about-page {
    padding: var(--spacing-xl) 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.about-image img {
    width: 100%;
    border-radius: 4px;
    aspect-ratio: 3/4;
    object-fit: cover;
}

.about-content h1 {
    margin-bottom: var(--spacing-md);
}

.lead {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    line-height: 1.5;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.about-content h2 {
    margin-top: var(--spacing-lg);
    font-size: 1.25rem;
}

.currently-list {
    list-style: none;
}

.currently-list li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--border);
}

.currently-list strong {
    color: var(--accent);
}

/* Writing Archive */
.writing-archive {
    padding-bottom: var(--spacing-xl);
}

.writing-list {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.writing-item {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border);
}

.writing-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    font-size: 0.85rem;
}

.writing-date {
    color: var(--text-muted);
}

.writing-category {
    color: var(--accent);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.75rem;
}

.writing-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.writing-title a {
    color: var(--text-primary);
}

.writing-excerpt {
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xl);
}

.page-link,
.page-current {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 4px;
    font-size: 0.9rem;
}

.page-link {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.page-link:hover {
    background-color: var(--accent);
    color: white;
}

.page-current {
    background-color: var(--text-primary);
    color: white;
}

.page-ellipsis {
    color: var(--text-muted);
    display: flex;
    align-items: center;
}

/* Gallery Page */
.gallery-page {
    padding-bottom: var(--spacing-xl);
}

.gallery-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: 20px;
    transition: all 0.2s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--text-primary);
    color: white;
    border-color: var(--text-primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item figcaption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    background: linear-gradient(transparent, rgba(42, 42, 42, 0.8));
    color: white;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover figcaption {
    transform: translateY(0);
}

.photo-title {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.photo-meta {
    font-size: 0.8rem;
    opacity: 0.8;
}

/* Contact Page */
.contact-page {
    padding: var(--spacing-xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h1 {
    margin-bottom: var(--spacing-md);
}

.contact-methods {
    margin: var(--spacing-lg) 0;
}

.contact-method {
    margin-bottom: var(--spacing-md);
}

.method-label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.method-value {
    font-size: 1.1rem;
    color: var(--text-primary);
    border-bottom: 2px solid var(--accent);
    padding-bottom: 2px;
}

.social-links h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.social-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.social-link {
    padding: 0.5rem 1rem;
    background-color: var(--bg-secondary);
    border-radius: 4px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.social-link:hover {
    background-color: var(--accent);
    color: white;
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: 4px;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 1rem;
    background-color: var(--bg-primary);
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn {
    display: inline-block;
    padding: 0.875rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

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

.form-note {
    margin-top: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-primary);
        flex-direction: column;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--border);
        gap: var(--spacing-sm);
    }
    
    .main-nav.active {
        display: flex;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .photo-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        max-width: 300px;
        margin: 0 auto;
    }
    
    .section-header {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2.5rem;
        --spacing-xxl: 3.5rem;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .photo-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-filters {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: var(--spacing-sm);
    }
}

/* Print Styles */
@media print {
    .site-header,
    .grain-overlay,
    .site-footer {
        display: none;
    }
    
    body {
        background: white;
    }
}