/**
 * Blog Page Styles
 * 
 * Comprehensive blog page styling with advanced features:
 * - Beautiful hero section
 * - Featured posts carousel
 * - Advanced filtering system
 * - Multiple layout options
 * - Smooth animations
 * - Newsletter signup
 * 
 * @package DoItAllDemo
 * @since 1.0.0
 */

/* ==========================================================================
   BLOG HERO SECTION
   ========================================================================== */

.blog-hero {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-navy-primary) 0%, #0A1F3F 100%);
}

.blog-hero__background {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(217, 119, 6, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(217, 119, 6, 0.15) 0%, transparent 50%);
    opacity: 0.6;
}

.blog-hero__background::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(45deg, rgba(255, 255, 255, 0.02) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255, 255, 255, 0.02) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.02) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.02) 75%);
    background-size: 60px 60px;
    background-position: 0 0, 0 30px, 30px -30px, -30px 0px;
    opacity: 0.3;
}

.blog-hero__content {
    position: relative;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-4xl) 0;
    animation: fadeInUp 0.8s ease-out;
}

.blog-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.blog-hero__badge-icon {
    font-size: 1.25rem;
}

.blog-hero__badge-text {
    color: var(--color-clean-white);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.blog-hero__title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-clean-white);
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.8s ease-out 0.3s backwards;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-amber-accent) 0%, #FFA500 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-hero__subtitle {
    font-size: var(--font-size-body-lg);
    line-height: var(--line-height-relaxed);
    color: rgba(255, 255, 255, 0.8);
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.blog-hero__stats {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    animation: fadeInUp 0.8s ease-out 0.5s backwards;
}

.blog-hero__stat {
    text-align: center;
}

.blog-hero__stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-amber-accent);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.blog-hero__stat-label {
    display: block;
    font-size: var(--font-size-small);
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   FEATURED POSTS CAROUSEL
   ========================================================================== */

.blog-featured {
    padding: var(--space-4xl) 0;
    background: var(--color-light-gray);
}

.blog-featured__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2xl);
}

.blog-featured__title {
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-dark);
}

.blog-featured__controls {
    display: flex;
    gap: var(--space-sm);
}

.blog-featured__nav {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--color-clean-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-dark);
    cursor: pointer;
    transition: all var(--transition-base);
}

.blog-featured__nav:hover {
    background: var(--color-amber-accent);
    border-color: var(--color-amber-accent);
    color: var(--color-clean-white);
    transform: translateY(-2px);
}

.blog-featured__nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
}

.blog-featured__carousel {
    overflow: hidden;
}

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

.blog-featured__card {
    position: relative;
    background: var(--color-clean-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-slow);
}

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

.blog-featured__image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.blog-featured__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.blog-featured__card:hover .blog-featured__image img {
    transform: scale(1.1);
}

.blog-featured__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.6) 100%);
}

.blog-featured__content {
    padding: var(--space-xl);
}

.blog-featured__category {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(217, 119, 6, 0.1);
    color: var(--color-amber-accent);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.blog-featured__post-title {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-snug);
    margin-bottom: var(--space-md);
}

.blog-featured__post-title a {
    color: var(--color-text-dark);
    text-decoration: none;
    transition: color var(--transition-base);
}

.blog-featured__post-title a:hover {
    color: var(--color-amber-accent);
}

.blog-featured__excerpt {
    font-size: var(--font-size-body);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.blog-featured__meta {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
    margin-bottom: var(--space-lg);
}

.blog-featured__author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-small);
    color: var(--color-text-dark);
}

.blog-featured__author img {
    border-radius: 50%;
}

.blog-featured__date {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
}

.blog-featured__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-amber-accent);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition: all var(--transition-base);
}

.blog-featured__link:hover {
    gap: var(--space-md);
}

/* ==========================================================================
   FILTERS & SEARCH
   ========================================================================== */

.blog-filters {
    padding: var(--space-2xl) 0;
    background: var(--color-clean-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: var(--header-total-height);
    z-index: 10;
}

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

.blog-filters__search {
    flex: 1;
}

.blog-filters__search-input-wrapper {
    position: relative;
}

.blog-filters__search-icon {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
}

.blog-filters__search-input {
    width: 100%;
    padding: var(--space-md) var(--space-md) var(--space-md) 48px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-body);
    transition: all var(--transition-base);
}

.blog-filters__search-input:focus {
    outline: none;
    border-color: var(--color-amber-accent);
    box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1);
}

.blog-filters__categories {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.blog-filters__category {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-clean-white);
    border: 2px solid var(--color-border);
    border-radius: 50px;
    color: var(--color-text-dark);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-base);
}

.blog-filters__category:hover {
    border-color: var(--color-amber-accent);
    background: rgba(217, 119, 6, 0.05);
}

.blog-filters__category.is-active {
    background: var(--color-amber-accent);
    border-color: var(--color-amber-accent);
    color: var(--color-clean-white);
}

.blog-filters__category-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    font-size: 11px;
    font-weight: var(--font-weight-semibold);
}

.blog-filters__category.is-active .blog-filters__category-count {
    background: rgba(255, 255, 255, 0.2);
}

.blog-filters__layout {
    display: flex;
    gap: var(--space-xs);
    background: var(--color-light-gray);
    padding: 4px;
    border-radius: var(--radius-md);
}

.blog-filters__layout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-base);
}

.blog-filters__layout-btn:hover {
    color: var(--color-text-dark);
}

.blog-filters__layout-btn.is-active {
    background: var(--color-clean-white);
    color: var(--color-amber-accent);
    box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   BLOG POSTS GRID
   ========================================================================== */

.blog-posts {
    padding: var(--space-4xl) 0;
    background: var(--color-light-gray);
}

.blog-posts__grid {
    display: grid;
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.blog-posts__grid--grid {
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
}

.blog-posts__grid--list {
    grid-template-columns: 1fr;
}

/* Blog Card - Grid Layout */
.blog-card {
    background: var(--color-clean-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-slow);
    animation: fadeInUp 0.6s ease-out backwards;
}

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

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

.blog-card__image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.blog-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.blog-card__badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-amber-accent);
    color: var(--color-clean-white);
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.blog-card__content {
    padding: var(--space-xl);
}

.blog-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border);
}

.blog-card__date,
.blog-card__reading-time {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
}

.blog-card__reading-time::before {
    content: '•';
    margin-right: var(--space-md);
}

.blog-card__title {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-snug);
    margin-bottom: var(--space-md);
}

.blog-card__title a {
    color: var(--color-text-dark);
    text-decoration: none;
    transition: color var(--transition-base);
}

.blog-card__title a:hover {
    color: var(--color-amber-accent);
}

.blog-card__excerpt {
    font-size: var(--font-size-body);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.blog-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.blog-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.blog-card__author img {
    border-radius: 50%;
}

.blog-card__author-name {
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-dark);
}

.blog-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-amber-accent);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition: all var(--transition-base);
}

.blog-card__link:hover {
    gap: var(--space-md);
}

/* Blog Card - List Layout */
.blog-posts__grid--list .blog-card {
    display: grid;
    grid-template-columns: 300px 1fr;
}

.blog-posts__grid--list .blog-card__image {
    height: 100%;
    min-height: 250px;
}

.blog-posts__grid--list .blog-card__content {
    display: flex;
    flex-direction: column;
}

.blog-posts__grid--list .blog-card__excerpt {
    flex: 1;
}

/* Empty State */
.blog-posts__empty {
    text-align: center;
    padding: var(--space-4xl) var(--space-xl);
    max-width: 600px;
    margin: 0 auto;
}

.blog-posts__empty-icon {
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

.blog-posts__empty-title {
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-dark);
    margin-bottom: var(--space-md);
}

.blog-posts__empty-text {
    font-size: var(--font-size-body-lg);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

/* ==========================================================================
   PAGINATION
   ========================================================================== */

.blog-pagination {
    display: flex;
    justify-content: center;
}

.blog-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.blog-pagination .page-numbers a,
.blog-pagination .page-numbers span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 var(--space-md);
    background: var(--color-clean-white);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-dark);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: all var(--transition-base);
}

.blog-pagination .page-numbers a:hover {
    border-color: var(--color-amber-accent);
    background: rgba(217, 119, 6, 0.05);
}

.blog-pagination .page-numbers .current {
    background: var(--color-amber-accent);
    border-color: var(--color-amber-accent);
    color: var(--color-clean-white);
}

.blog-pagination .page-numbers .prev,
.blog-pagination .page-numbers .next {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

/* ==========================================================================
   NEWSLETTER SIGNUP
   ========================================================================== */

.blog-newsletter {
    padding: var(--space-4xl) 0;
    background: var(--color-clean-white);
}

.blog-newsletter__card {
    background: linear-gradient(135deg, var(--color-navy-primary) 0%, #0A1F3F 100%);
    border-radius: var(--radius-lg);
    padding: var(--space-3xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.blog-newsletter__card::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(217, 119, 6, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(217, 119, 6, 0.2) 0%, transparent 50%);
    opacity: 0.6;
    pointer-events: none;
}

.blog-newsletter__content {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.blog-newsletter__icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(217, 119, 6, 0.2);
    border-radius: var(--radius-lg);
    color: var(--color-amber-accent);
}

.blog-newsletter__text {
    flex: 1;
}

.blog-newsletter__title {
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-bold);
    color: var(--color-clean-white);
    margin-bottom: var(--space-sm);
}

.blog-newsletter__description {
    font-size: var(--font-size-body-lg);
    line-height: var(--line-height-relaxed);
    color: rgba(255, 255, 255, 0.8);
}

.blog-newsletter__form {
    position: relative;
    display: flex;
    gap: var(--space-md);
    max-width: 600px;
}

.blog-newsletter__input {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-clean-white);
    font-size: var(--font-size-body);
    transition: all var(--transition-base);
}

.blog-newsletter__input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.blog-newsletter__input:focus {
    outline: none;
    border-color: var(--color-amber-accent);
    background: rgba(255, 255, 255, 0.15);
}

.blog-newsletter__submit {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-2xl);
    background: var(--color-amber-accent);
    color: var(--color-clean-white);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-semibold);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.blog-newsletter__submit:hover {
    background: var(--color-amber-hover);
    transform: translateY(-2px);
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

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

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

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 1024px) {
    .blog-featured__track {
        grid-template-columns: repeat(2, 1fr);
    }

    .blog-posts__grid--grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .blog-posts__grid--list .blog-card {
        grid-template-columns: 250px 1fr;
    }

    .blog-hero__stats {
        gap: var(--space-xl);
    }

    .blog-hero__stat-number {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .blog-hero {
        min-height: 400px;
    }

    .blog-hero__content {
        padding: var(--space-2xl) 0;
    }

    .blog-hero__title {
        font-size: 2rem;
    }

    .blog-hero__stats {
        flex-wrap: wrap;
        gap: var(--space-lg);
    }

    .blog-featured {
        padding: var(--space-2xl) 0;
    }

    .blog-featured__track {
        grid-template-columns: 1fr;
    }

    .blog-featured__header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .blog-filters {
        position: static;
    }

    .blog-filters__wrapper {
        gap: var(--space-md);
    }

    .blog-posts__grid--grid,
    .blog-posts__grid--list {
        grid-template-columns: 1fr;
    }

    .blog-posts__grid--list .blog-card {
        grid-template-columns: 1fr;
    }

    .blog-posts__grid--list .blog-card__image {
        height: 200px;
        min-height: 200px;
    }

    .blog-newsletter__content {
        flex-direction: column;
        text-align: center;
    }

    .blog-newsletter__form {
        flex-direction: column;
        max-width: 100%;
    }

    .blog-newsletter__submit {
        width: 100%;
        justify-content: center;
    }

    .blog-pagination .page-numbers a,
    .blog-pagination .page-numbers span {
        min-width: 40px;
        height: 40px;
        font-size: var(--font-size-small);
    }

    .blog-card__title {
        font-size: var(--font-size-body-lg);
    }
}

@media (max-width: 480px) {
    .blog-hero__badge-text {
        font-size: 11px;
    }

    .blog-hero__title {
        font-size: 1.75rem;
    }

    .blog-hero__subtitle {
        font-size: var(--font-size-body);
    }

    .blog-filters__categories {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .blog-filters__categories::-webkit-scrollbar {
        display: none;
    }

    .blog-filters__category {
        white-space: nowrap;
    }

    .blog-card__content {
        padding: var(--space-lg);
    }

    .blog-newsletter__card {
        padding: var(--space-xl);
    }

    .blog-newsletter__icon {
        width: 60px;
        height: 60px;
    }
}