/* ===================================
   BLOGS PAGE STYLES
   Author: Minds4AI Development Team
   Last Modified: January 2025
   Purpose: Styling for the blogs landing page and blog grid
=================================== */

/* ===================================
   VARIABLES
=================================== */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #8f4ff0;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-light: #e9ecef;
    --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-medium: 0 5px 20px rgba(0,0,0,0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* ===================================
   BLOGS HERO SECTION
=================================== */
.blogs-hero {
    position: relative;
    background: linear-gradient(135deg, 
    #000000 0%, 
    #100d28 70%, 
    #3d0e82 99%, 
    #3d0e82 100%);
    padding: 120px 0 80px;
    overflow: hidden;
    color: white;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.digital-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
}

.grid-line {
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
}

.grid-line.horizontal {
    width: 100%;
    height: 1px;
}

.grid-line.horizontal:nth-child(1) { top: 20%; }
.grid-line.horizontal:nth-child(2) { top: 50%; }
.grid-line.horizontal:nth-child(3) { top: 80%; }

.grid-line.vertical {
    height: 100%;
    width: 1px;
}

.grid-line.vertical:nth-child(4) { left: 25%; }
.grid-line.vertical:nth-child(5) { left: 50%; }
.grid-line.vertical:nth-child(6) { left: 75%; }

.floating-icons {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.floating-icon {
    position: absolute;
    font-size: 2rem;
    opacity: 0.2;
    animation: float 6s ease-in-out infinite;
    animation-delay: var(--delay);
}

.floating-icon:nth-child(1) {
    top: 20%;
    left: 10%;
}

.floating-icon:nth-child(2) {
    top: 60%;
    right: 15%;
}

.floating-icon:nth-child(3) {
    bottom: 30%;
    left: 20%;
}

.floating-icon:nth-child(4) {
    top: 40%;
    right: 30%;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.breadcrumbs {
    margin-bottom: 2rem;
    font-size: 0.9rem;
    opacity: 0.9;
}

.breadcrumbs a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumbs a:hover {
    color: white;
}

.separator {
    margin: 0 0.5rem;
    opacity: 0.6;
}

.current {
    color: white;
    font-weight: 500;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* ===================================
   FEATURED POST SECTION
=================================== */
.featured-post-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.featured-post {
    position: relative;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    overflow: hidden;
    transition: var(--transition);
}

.featured-post:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.featured-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--accent-color);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 8px;
}

.featured-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    min-height: 400px;
}

.featured-image {
    position: relative;
    height: 400px;
    overflow: hidden;
}

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

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

.featured-text {
    padding: 3rem;
}

.featured-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.category {
    background: var(--secondary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-weight: 500;
}

.date {
    color: var(--text-light);
    font-weight: 500;
}

.featured-text h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.featured-text p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* ===================================
   BLOG FILTERS SECTION
=================================== */
.blog-filters-section {
    padding: 60px 0 40px;
    background: white;
}

.filters-wrapper {
    text-align: center;
}

.filters-wrapper h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 2rem;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-btn {
    background: var(--bg-light);
    border: 2px solid transparent;
    color: var(--text-dark);
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}

.filter-btn:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

/* ===================================
   BLOG GRID SECTION
=================================== */
.blog-grid-section {
    padding: 40px 0 80px;
    background: white;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.blog-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

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

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

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

.blog-card:hover .blog-image img {
    transform: scale(1.1);
}

.blog-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.blog-content {
    padding: 1.5rem;
}

.blog-meta {
    margin-bottom: 1rem;
}

.blog-date {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
}

.blog-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.read-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.read-more-btn:hover {
    color: var(--accent-color);
    gap: 12px;
}

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

.load-more-section {
    text-align: center;
    margin-top: 2rem;
}

.load-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    font-size: 1rem;
    transition: var(--transition);
}

.load-more-btn:hover {
    transform: translateY(-2px);
    gap: 15px;
}

/* ===================================
   SEARCH AND SUBSCRIPTION SECTION
=================================== */
.blog-search-subscription {
    padding: 80px 0;
    background: var(--bg-light);
}

.search-subscription-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.search-section h3,
.subscription-section h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.search-bar {
    display: flex;
    margin-top: 1.5rem;
}

.search-bar input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid var(--border-light);
    border-right: none;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.search-bar input:focus {
    border-color: var(--secondary-color);
}

.search-btn {
    background: var(--secondary-color);
    border: 2px solid var(--secondary-color);
    color: white;
    padding: 15px 20px;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.subscription-section {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.subscription-content {
    flex: 1;
}

.subscription-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.subscription-form .form-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.subscription-form input {
    flex: 1;
    min-width: 200px;
    padding: 12px 16px;
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.subscription-form input:focus {
    border-color: var(--secondary-color);
}

.subscription-form button {
    padding: 12px 24px;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
}

.subscription-visual {
    text-align: center;
}

.newsletter-icon {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    animation: pulse 2s ease-in-out infinite;
}

.newsletter-icon i {
    font-size: 3rem;
    color: white;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* ===================================
   RESPONSIVE DESIGN
=================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .featured-content {
        grid-template-columns: 1fr;
    }
    
    .featured-image {
        height: 300px;
    }
    
    .featured-text {
        padding: 2rem;
    }
    
    .search-subscription-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .blogs-hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .filter-buttons {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 10px;
    }
    
    .filter-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .featured-text h2 {
        font-size: 1.8rem;
    }
    
    .subscription-form .form-row {
        flex-direction: column;
    }
    
    .subscription-form input {
        min-width: auto;
    }
    
    .subscription-section {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .featured-text {
        padding: 1.5rem;
    }
    
    .featured-text h2 {
        font-size: 1.5rem;
    }
    
    .blog-content {
        padding: 1rem;
    }
    
    .search-bar {
        flex-direction: column;
    }
    
    .search-bar input,
    .search-btn {
        border-radius: var(--border-radius);
        border: 2px solid var(--border-light);
    }
    
    .search-btn {
        margin-top: 10px;
        border-color: var(--secondary-color);
    }
}

/* ===================================
   ANIMATION UTILITIES
=================================== */
.blog-card.hidden {
    display: none;
}

.blog-card.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

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

/* ===================================
   LOADING STATES
=================================== */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--secondary-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}