/* ===== Blog Styles ===== */

/* Variables */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
    --glow-primary: rgba(102, 126, 234, 0.4);
    --glow-accent: rgba(0, 212, 255, 0.3);
    
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(18, 18, 26, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(102, 126, 234, 0.3);
    
    --accent-blue: #00d4ff;
    --accent-purple: #7c3aed;
    --accent-pink: #ec4899;
    --accent-green: #10b981;
    
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    --container-max: 1100px;
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-display);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(102, 126, 234, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(102, 126, 234, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -2;
}

.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(102, 126, 234, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 100% 0%, rgba(124, 58, 237, 0.1), transparent);
    pointer-events: none;
    z-index: -1;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* Links */
a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1rem 0;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    font-weight: 600;
}

.brand-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 700;
}

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

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.5rem 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition-base);
}

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

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

/* Blog Hero */
.blog-hero {
    padding: 160px 0 80px;
    text-align: center;
}

.section-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-blue);
    margin-bottom: 0.75rem;
    letter-spacing: 0.1em;
}

.blog-hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Blog Filters */
.blog-filters {
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 3rem;
}

.filter-tags {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-tag {
    padding: 0.5rem 1.25rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
    font-family: inherit;
}

.filter-tag:hover {
    border-color: var(--border-glow);
    color: var(--text-primary);
}

.filter-tag.active {
    background: var(--primary-gradient);
    border-color: transparent;
    color: white;
}

/* Posts Grid */
.blog-posts {
    padding: 0 0 80px;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
}

/* Post Card */
.post-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition-base);
}

.post-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-glow);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.post-card.coming-soon {
    opacity: 0.8;
}

.post-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

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

.status-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.35rem 0.75rem;
    background: rgba(124, 58, 237, 0.9);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
}

.post-content {
    padding: 1.5rem;
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.85rem;
}

.post-category {
    color: var(--accent-blue);
    font-weight: 600;
}

.post-date,
.post-read-time {
    color: var(--text-muted);
}

.post-read-time i {
    margin-right: 0.25rem;
}

.post-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

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

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

.post-excerpt {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.7;
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 0.25rem 0.6rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    color: var(--text-muted);
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-blue);
    font-weight: 600;
    font-size: 0.9rem;
}

.read-more:hover {
    gap: 0.75rem;
}

.read-more i {
    transition: var(--transition-fast);
}

/* No Posts */
.no-posts {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem;
    text-align: center;
    color: var(--text-muted);
}

.no-posts i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Newsletter */
.newsletter {
    padding: 0 0 80px;
}

.newsletter-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    padding: 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
}

.newsletter-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.newsletter-content p {
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-base);
    border: none;
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-glow);
    color: white;
}

/* Footer */
footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition-base);
}

.social-link:hover {
    color: var(--accent-blue);
    border-color: var(--accent-blue);
    transform: translateY(-2px);
}

.copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-card {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .nav-brand span:not(.brand-icon) {
        display: none;
    }
    
    .filter-tags {
        gap: 0.5rem;
    }
    
    .filter-tag {
        padding: 0.4rem 1rem;
        font-size: 0.85rem;
    }
}