/* ============================================
   LEDGER SUMMIT — Blog Listing Page
   ============================================ */

/* ---- Blog Hero ---- */
.blog-hero {
    background: linear-gradient(165deg, #0d1f3c 0%, #1a3a6e 30%, #1e4a8a 60%, #15305a 100%);
    padding: calc(var(--section-pad) + 5rem) 0 var(--section-pad);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -15%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(59, 108, 245, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    animation: heroOrbFloat 12s ease-in-out infinite;
}

.blog-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(6, 214, 160, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    animation: heroOrbFloat 15s ease-in-out infinite reverse;
}

@keyframes heroOrbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, -20px) scale(1.05); }
}

.blog-hero h1 {
    font-size: var(--h1);
    font-weight: 900;
    color: var(--white);
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
    position: relative;
}

.blog-hero p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.6);
    max-width: 620px;
    margin: 0 auto;
    line-height: 1.7;
    position: relative;
}

.blog-hero .section-label {
    position: relative;
    color: #fff;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,0.15);
    font-size: 0.8rem;
    letter-spacing: 0.18em;
}

/* ---- Blog Stats Bar ---- */
.blog-stats-bar {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2.5rem;
    position: relative;
}

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

.blog-stat strong {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
}

.blog-stat span {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.45);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

.blog-stat-divider {
    width: 1px;
    background: rgba(255,255,255,0.12);
    align-self: stretch;
}


/* ---- Filter Tabs ---- */
.blog-filters {
    padding: 2rem 0 0;
    position: relative;
    z-index: 10;
}

.blog-filter-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.blog-filter-btn {
    padding: 0.55rem 1.25rem;
    border-radius: 100px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--gray-400);
    background: var(--white);
    border: 1px solid var(--gray-100);
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
}

.blog-filter-btn:hover {
    color: var(--blue);
    border-color: var(--blue);
    background: rgba(59, 108, 245, 0.04);
}

.blog-filter-btn.active {
    background: var(--blue);
    color: var(--white);
    border-color: var(--blue);
    box-shadow: 0 4px 16px var(--blue-glow);
}


/* ---- Blog Grid ---- */
.blog-grid-section {
    padding: 3rem 0 var(--section-pad);
}

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

/* ---- Blog Card ---- */
.blog-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-100);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border-color: rgba(59, 108, 245, 0.2);
}

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

.blog-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.blog-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(10, 22, 40, 0.5) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.blog-card:hover .blog-card-overlay {
    opacity: 1;
}

.blog-card-read-more {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    background: var(--white);
    color: var(--blue);
    padding: 0.5rem 1.2rem;
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 700;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.35s ease;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.blog-card:hover .blog-card-read-more {
    opacity: 1;
    transform: translateY(0);
}

.blog-card-body {
    padding: 1.75rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--blue);
    background: rgba(59, 108, 245, 0.07);
    padding: 0.3rem 0.75rem;
    border-radius: 100px;
    margin-bottom: 0.85rem;
    width: fit-content;
}

.blog-card-tag::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--blue);
}

.blog-card-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--gray-800);
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin-bottom: 0.65rem;
    transition: color 0.3s ease;
}

.blog-card:hover .blog-card-title {
    color: var(--blue);
}

.blog-card-desc {
    font-size: 0.9rem;
    color: var(--gray-400);
    line-height: 1.65;
    flex: 1;
    margin-bottom: 1.25rem;
}

/* Card Footer — Meta + Stats */
.blog-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-100);
}

.blog-card-author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-card-author img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(59, 108, 245, 0.15);
}

.blog-card-author-info strong {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--gray-800);
}

.blog-card-author-info span {
    font-size: 0.7rem;
    color: var(--gray-400);
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.72rem;
    color: var(--gray-400);
}

.blog-card-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.blog-card-meta svg {
    width: 13px;
    height: 13px;
    opacity: 0.6;
}

/* ---- Featured Card (first two) ---- */
.blog-card.featured {
    grid-column: span 1;
}

.blog-card.featured .blog-card-img {
    height: 280px;
}

.blog-card.featured .blog-card-title {
    font-size: 1.4rem;
}

/* ---- Results Chip in Card ---- */
.blog-card-result {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.72rem;
    font-weight: 700;
    color: #2e7d32;
    background: rgba(76, 175, 80, 0.08);
    padding: 0.3rem 0.7rem;
    border-radius: 100px;
    margin-bottom: 1rem;
}

.blog-card-result svg {
    width: 12px;
    height: 12px;
}


/* ---- Newsletter / CTA Banner ---- */
.blog-cta-banner {
    background: linear-gradient(135deg, #0d1f3c 0%, #1a3a6e 50%, #1e4a8a 100%);
    border-radius: var(--radius-xl);
    padding: 3.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-top: 2rem;
}

.blog-cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(59, 108, 245, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(6, 214, 160, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.blog-cta-banner h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 0.75rem;
    position: relative;
    letter-spacing: -0.02em;
}

.blog-cta-banner p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.05rem;
    margin-bottom: 2rem;
    line-height: 1.7;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.blog-cta-banner .btn-primary {
    position: relative;
}

/* ---- Empty State ---- */
.blog-empty {
    text-align: center;
    padding: 4rem 2rem;
    grid-column: 1 / -1;
}

.blog-empty h3 {
    font-size: 1.2rem;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.blog-empty p {
    color: var(--gray-400);
    font-size: 0.95rem;
}


/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .blog-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .blog-hero {
        padding-top: calc(var(--section-pad) + 4rem);
    }

    .blog-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .blog-card-img {
        height: 200px;
    }

    .blog-card.featured .blog-card-img {
        height: 220px;
    }

    .blog-card.featured .blog-card-title {
        font-size: 1.2rem;
    }

    .blog-stats-bar {
        gap: 1.5rem;
    }

    .blog-stat-divider {
        display: none;
    }

    .blog-stat strong {
        font-size: 1.2rem;
    }

    .blog-filter-bar {
        gap: 0.4rem;
    }

    .blog-filter-btn {
        padding: 0.45rem 0.9rem;
        font-size: 0.75rem;
    }

    .blog-cta-banner {
        padding: 2.5rem 1.5rem;
        border-radius: var(--radius-lg);
    }

    .blog-cta-banner h2 {
        font-size: 1.4rem;
    }

    .blog-card-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}

@media (max-width: 480px) {
    .blog-card-body {
        padding: 1.25rem;
    }

    .blog-card-title {
        font-size: 1.1rem;
    }
}