/* ═══════════════════════════════════════════════
   BLOG PAGES — Premium Design v2
   Matches FotoKalk Landing Page Design System
   ═══════════════════════════════════════════════ */

/* ─── Blog Hero ─── */
.blog-hero {
    position: relative;
    padding: 7rem 0 3rem;
    text-align: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0F172A 0%, #1e293b 50%, #0F172A 100%);
}

.blog-hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.blog-hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(37,99,235,0.15) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(37,99,235,0.1) 0%, transparent 50%);
}

.blog-hero-glow {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(37,99,235,0.2) 0%, transparent 70%);
    animation: blogHeroGlow 8s ease-in-out infinite alternate;
}

@keyframes blogHeroGlow {
    from { opacity: 0.5; transform: translateX(-50%) scale(0.9); }
    to { opacity: 1; transform: translateX(-50%) scale(1.1); }
}

.blog-hero-content {
    position: relative;
    z-index: 1;
}

.blog-hero h1 {
    color: white;
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 800;
    line-height: 1.15;
    margin-top: 1rem;
    letter-spacing: -0.02em;
}

.text-gradient {
    background: linear-gradient(135deg, #60a5fa 0%, #2563eb 50%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-hero-sub {
    color: rgba(255,255,255,0.55);
    font-size: 1.0625rem;
    margin-top: 1rem;
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* Hero Stats */
.blog-hero-stats {
    display: inline-flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: 2.5rem;
    padding: 1rem 2rem;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-full);
    backdrop-filter: blur(12px);
}

.blog-hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.blog-hero-stat-num {
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
}

.blog-hero-stat-label {
    color: rgba(255,255,255,0.5);
    font-size: 0.75rem;
    font-weight: 500;
}

.blog-hero-stat-divider {
    width: 1px;
    height: 32px;
    background: rgba(255,255,255,0.15);
}


/* ─── Email Gate Section ─── */
.blog-gate-section {
    padding: 0 0 2rem;
    margin-top: -2rem;
    position: relative;
    z-index: 2;
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.blog-gate-card {
    background: white;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
    box-shadow: var(--shadow-xl);
}

.blog-gate-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--primary-ultralight);
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
}

.blog-gate-card h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.blog-gate-card > p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    max-width: 460px;
    margin: 0 auto 1.5rem;
}

.blog-gate-inline-form {
    max-width: 480px;
    margin: 0 auto;
}

.blog-gate-input-group {
    display: flex;
    gap: 0.5rem;
    background: var(--bg-offwhite);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    padding: 0.375rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.blog-gate-input-group:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}

.blog-gate-input-group input[type="email"] {
    flex: 1;
    border: none;
    background: transparent;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    font-family: inherit;
    color: var(--text-primary);
    outline: none;
}

.blog-gate-input-group input::placeholder {
    color: var(--text-muted);
}

.blog-gate-input-group .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-full);
    border: none;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    background: var(--primary);
    color: white;
    transition: all 0.2s ease;
}

.blog-gate-input-group .btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-blue);
}

.blog-gate-hint {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-top: 0.75rem;
    color: var(--text-muted);
    font-size: 0.75rem;
}


/* ─── Category Filter ─── */
.blog-filter-section {
    padding: 2rem 0 0;
}

.blog-filter {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 2rem;
}

.blog-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    background: white;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
}

.blog-filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-ultralight);
}

.blog-filter-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: var(--shadow-blue);
}
.blog-filter-btn.active svg { stroke: white; }


/* ─── Blog Grid ─── */
.blog-list {
    padding: 1rem 0 4rem;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

/* Blog Card */
.blog-grid .blog-card {
    text-decoration: none;
    color: inherit;
    background: white;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.35s var(--ease-out);
    animation: blogCardIn 0.6s var(--ease-out) backwards;
}

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

.blog-grid .blog-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(37,99,235,0.15);
}

.blog-card-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--bg-offwhite);
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--ease-out);
}

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

.blog-card-reading-time {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
    color: white;
    font-size: 0.6875rem;
    font-weight: 500;
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-full);
}

.blog-card-body {
    padding: 1.25rem;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.blog-card-tag {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    background: var(--primary-ultralight);
    color: var(--primary);
    font-size: 0.6875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.blog-card-date {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.blog-card-title {
    font-size: 1.0625rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-excerpt {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 1rem;
}

.blog-card-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--primary);
    transition: gap 0.2s ease;
}

.blog-grid .blog-card:hover .blog-card-cta {
    gap: 0.625rem;
}


/* ─── Empty State ─── */
.blog-loading,
.blog-empty {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.blog-empty-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    background: var(--bg-offwhite);
    border-radius: 50%;
    margin-bottom: 1.5rem;
}

.blog-empty h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.blog-empty p {
    max-width: 400px;
    margin: 0 auto;
    line-height: 1.6;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(0,0,0,0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}


/* ─── Newsletter CTA ─── */
.blog-newsletter-section {
    padding: 0 0 4rem;
}

.blog-newsletter-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background: linear-gradient(135deg, #0F172A 0%, #1e293b 100%);
    border-radius: var(--radius-xl);
    padding: 3rem;
    overflow: hidden;
    position: relative;
}

.blog-newsletter-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(37,99,235,0.2) 0%, transparent 70%);
    pointer-events: none;
}

.blog-newsletter-left {
    position: relative;
    z-index: 1;
}

.blog-newsletter-left h2 {
    color: white;
    font-size: 1.75rem;
    font-weight: 800;
    margin-top: 0.75rem;
    margin-bottom: 0.5rem;
}

.blog-newsletter-left > p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.blog-newsletter-benefits {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.blog-newsletter-benefit {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255,255,255,0.75);
    font-size: 0.875rem;
    font-weight: 500;
}

.blog-newsletter-right {
    position: relative;
    z-index: 1;
}

.blog-newsletter-right .newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.blog-newsletter-right .newsletter-form input[type="email"] {
    width: 100%;
    padding: 0.875rem 1.25rem;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.08);
    color: white;
    font-size: 0.9375rem;
    font-family: inherit;
    outline: none;
    transition: all 0.2s ease;
}

.blog-newsletter-right .newsletter-form input[type="email"]::placeholder {
    color: rgba(255,255,255,0.35);
}

.blog-newsletter-right .newsletter-form input[type="email"]:focus {
    border-color: var(--primary);
    background: rgba(255,255,255,0.12);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.2);
}

.blog-newsletter-right .btn-newsletter {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.blog-newsletter-right .btn-newsletter:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-blue-lg);
}

.newsletter-privacy {
    color: rgba(255,255,255,0.4);
    font-size: 0.75rem;
    text-align: center;
}

.newsletter-success {
    display: none;
    text-align: center;
    padding: 1rem;
}

.newsletter-success.visible {
    display: block;
    animation: blogCardIn 0.5s var(--ease-out);
}

.newsletter-success h3 {
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    margin-top: 0.75rem;
}

.newsletter-success p {
    color: rgba(255,255,255,0.6);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}


/* ═══════════════════════════════════════════════
   ARTICLE PAGE (keep existing, just enhance)
   ═══════════════════════════════════════════════ */

.article-page { padding-top: 5rem; }
.article-loading { text-align: center; padding: 6rem 2rem; color: var(--text-muted); }
.article-header { padding: 2rem 0; }
.article-header-inner { max-width: 720px; margin: 0 auto; }

/* Article Hero Section */
.article-hero-section { text-align: left; padding: 2.5rem 0 3rem; }
.article-hero-section .article-title { color: white; margin-bottom: 0.5rem; }
.article-hero-section .blog-hero-sub { text-align: left; }

.article-breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    color: rgba(255,255,255,0.7);
    font-size: 0.8125rem;
    font-weight: 500;
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: gap 0.2s ease;
}
.article-breadcrumb:hover { gap: 0.5rem; color: white; }

.article-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.article-date,
.article-reading-time {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.article-title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.article-lead {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.article-hero-image { border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 2rem; max-width: 720px; margin-left: auto; margin-right: auto; }
.article-hero-image img { width: 100%; height: auto; display: block; }

.article-content {
    max-width: 720px;
    margin: 0 auto;
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--text-primary);
}

.article-content h2 { font-size: 1.5rem; font-weight: 700; margin-top: 2.5rem; margin-bottom: 0.75rem; line-height: 1.3; }
.article-content h3 { font-size: 1.25rem; font-weight: 600; margin-top: 2rem; margin-bottom: 0.5rem; }
.article-content p { margin-bottom: 1.25rem; }
.article-content ul, .article-content ol { margin-bottom: 1.25rem; padding-left: 1.5rem; }
.article-content li { margin-bottom: 0.5rem; }
.article-content a { color: var(--primary); text-decoration: underline; }

.article-content blockquote {
    border-left: 4px solid var(--primary);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    background: rgba(37,99,235,0.04);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--text-secondary);
}

.article-content code { background: var(--bg-offwhite); padding: 0.2em 0.4em; border-radius: 4px; font-size: 0.9em; }
.article-content pre { background: var(--bg-dark); color: #e2e8f0; padding: 1.25rem; border-radius: var(--radius-md); overflow-x: auto; margin: 1.5rem 0; }
.article-content pre code { background: none; padding: 0; color: inherit; }

.article-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.9375rem; }
.article-content th, .article-content td { padding: 0.75rem 1rem; border: 1px solid rgba(0,0,0,0.1); text-align: left; }
.article-content th { background: var(--bg-offwhite); font-weight: 600; }
.article-content img { max-width: 100%; height: auto; border-radius: var(--radius-md); margin: 1.5rem 0; }
.article-content strong { font-weight: 600; }

/* CTA Banner */
.article-cta-banner { margin: 3rem 0; }
.cta-banner-inner {
    max-width: 720px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--primary) 0%, #1e40af 100%);
    border-radius: var(--radius-xl);
    padding: 2rem 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}
.cta-banner-inner h3 { color: white; font-size: 1.25rem; font-weight: 700; margin-bottom: 0.25rem; }
.cta-banner-inner p { color: rgba(255,255,255,0.8); font-size: 0.875rem; }
.cta-banner-inner .btn-primary { white-space: nowrap; background: white; color: var(--primary); }
.cta-banner-inner .btn-primary:hover { background: rgba(255,255,255,0.9); transform: translateY(-2px); }

/* FAQ */
.article-faq { padding: 2rem 0 3rem; }
.article-faq .container { max-width: 720px; }
.article-faq h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; }
.article-faq .faq-item { background: white; border: 1px solid rgba(0,0,0,0.08); border-radius: var(--radius-md); padding: 1rem 1.25rem; margin-bottom: 0.5rem; cursor: pointer; }
.article-faq .faq-item summary { font-weight: 600; font-size: 0.9375rem; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.article-faq .faq-item p { margin-top: 0.75rem; color: var(--text-secondary); font-size: 0.875rem; line-height: 1.6; }

/* Related Posts */
.article-related { padding: 3rem 0; background: var(--bg-offwhite); }
.article-related h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 1.5rem; }

/* 404 */
.article-not-found { padding: 8rem 2rem; }
.article-not-found h2 { font-size: 2rem; font-weight: 800; margin-bottom: 0.5rem; }
.article-not-found p { color: var(--text-muted); margin-bottom: 2rem; }


/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */

@media (max-width: 968px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .blog-newsletter-card {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 640px) {
    .blog-hero {
        padding: 7rem 0 3rem;
    }

    .blog-hero h1 {
        font-size: 1.75rem;
    }

    .blog-hero-stats {
        flex-direction: row;
        gap: 1rem;
        padding: 0.75rem 1.25rem;
    }

    .blog-hero-stat-num {
        font-size: 1rem;
    }

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

    .blog-gate-card {
        padding: 2rem 1.5rem;
    }

    .blog-gate-input-group {
        flex-direction: column;
        border-radius: var(--radius-md);
    }

    .blog-gate-input-group .btn-primary {
        border-radius: var(--radius-md);
        justify-content: center;
    }

    .blog-newsletter-card {
        padding: 2rem 1.5rem;
    }

    .cta-banner-inner {
        flex-direction: column;
        text-align: center;
    }

    .article-title {
        font-size: 1.5rem;
    }

    .blog-filter-btn {
        padding: 0.375rem 0.875rem;
        font-size: 0.75rem;
    }
}