/* =========================================================
   Blog List Page Styles
   Depends on: main.css (variables, nav, footer, container)
   ========================================================= */

/* ─── Page Shell ─────────────────────────────────────────── */
.blog-list-page {
    padding-top: 72px; /* nav height */
    min-height: 100vh;
    background: var(--bg-white);
}

/* ─── Hero Banner ─────────────────────────────────────────── */
.blog-hero {
    background: var(--primary-gradient);
    padding: 60px 0 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}

.blog-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
    padding: 0 24px;
}

.blog-hero h1 {
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 800;
    font-style: italic;
    color: #fff;
    margin-bottom: 16px;
    line-height: 1.2;
}

.blog-hero p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.88);
    line-height: 1.7;
    margin-bottom: 24px;
}

.blog-hero-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.75);
}

.blog-hero-meta i {
    margin-right: 5px;
    color: rgba(255, 255, 255, 0.9);
}

/* ─── Tag Filter Bar ──────────────────────────────────────── */
.blog-filter-bar {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 72px;
    z-index: 100;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
}

.blog-filter-bar::before,
.blog-filter-bar::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 40px;
    z-index: 1;
    pointer-events: none;
    transition: opacity 0.2s;
}

.blog-filter-bar::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-white) 40%, transparent);
}

.blog-filter-bar::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-white) 40%, transparent);
}

.blog-filter-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    gap: 10px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    height: 52px;
    cursor: grab;
}

.blog-filter-inner.is-dragging {
    cursor: grabbing;
    user-select: none;
}

.blog-filter-inner::-webkit-scrollbar {
    display: none;
}

.filter-btn {
    flex-shrink: 0;
    padding: 6px 16px;
    border-radius: 20px;
    border: 1.5px solid var(--border-color);
    background: transparent;
    color: var(--text-light);
    font-size: 0.85rem;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.filter-btn:hover {
    border-color: var(--primary-solid);
    color: var(--primary-solid);
}

.filter-btn.active {
    background: var(--primary-solid);
    border-color: var(--primary-solid);
    color: #fff;
    font-weight: 500;
}

/* ─── Main Content Area ───────────────────────────────────── */
.blog-content {
    padding: 56px 0 80px;
}

/* ─── Featured Card (first post) ─────────────────────────── */
.blog-featured-wrap {
    margin-bottom: 52px;
}

.blog-featured-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.1);
    min-height: 360px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.blog-featured-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 56px rgba(0, 0, 0, 0.14);
}

.blog-featured-cover {
    position: relative;
    overflow: hidden;
}

.blog-featured-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.blog-featured-card:hover .blog-featured-cover-img {
    transform: scale(1.04);
}

/* Gradient + icon fallback cover */
.blog-featured-cover-gradient {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 360px;
}

.blog-featured-cover-gradient i {
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.4);
}

.blog-featured-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 20px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.blog-featured-body {
    padding: 44px 44px 40px;
    background: var(--bg-white);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.blog-featured-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}

.blog-tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.78rem;
    font-weight: 500;
    background: rgba(79, 70, 229, 0.08);
    color: var(--primary-solid);
    border: 1px solid rgba(79, 70, 229, 0.18);
}

.blog-featured-body h2 {
    font-family: var(--font-heading);
    font-size: 1.65rem;
    font-weight: 800;
    line-height: 1.35;
    color: var(--text-dark);
    margin-bottom: 16px;
    transition: color 0.2s;
}

.blog-featured-card:hover .blog-featured-body h2 {
    color: var(--primary-solid);
}

.blog-featured-body p {
    font-size: 0.97rem;
    color: var(--text-light);
    line-height: 1.75;
    margin-bottom: 24px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-featured-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.blog-featured-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.blog-featured-meta i {
    margin-right: 4px;
    color: var(--primary-solid);
}

.blog-read-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-solid);
    transition: gap 0.2s;
}

.blog-featured-card:hover .blog-read-link {
    gap: 10px;
}

/* ─── Section Header ──────────────────────────────────────── */
.blog-section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border-color);
}

.blog-section-header h2 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    font-style: italic;
    color: var(--text-dark);
}

.blog-count-badge {
    font-size: 0.82rem;
    color: var(--text-muted);
    background: var(--bg-gray);
    padding: 3px 10px;
    border-radius: 10px;
}

/* ─── Cards Grid ──────────────────────────────────────────── */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.blog-card {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform 0.25s, box-shadow 0.25s;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.blog-card-cover {
    position: relative;
    height: 180px;
    overflow: hidden;
    flex-shrink: 0;
}

.blog-card-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

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

.blog-card-cover-gradient {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-card-cover-gradient i {
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.38);
}

.blog-card-body {
    padding: 22px 22px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.blog-card-body h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.45;
    color: var(--text-dark);
    margin-bottom: 10px;
    transition: color 0.2s;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card:hover h3 {
    color: var(--primary-solid);
}

.blog-card-summary {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.blog-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid var(--border-color);
    font-size: 0.82rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

.blog-card-footer i {
    margin-right: 4px;
    color: var(--primary-solid);
    opacity: 0.7;
}

/* ─── Empty / Loading State ───────────────────────────────── */
.blog-no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.blog-no-results i {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.4;
    display: block;
}

/* ─── CTA Strip ───────────────────────────────────────────── */
.blog-cta-strip {
    margin-top: 64px;
    background: var(--primary-gradient);
    border-radius: 20px;
    padding: 48px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.blog-cta-strip-text h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    font-style: italic;
    color: #fff;
    margin-bottom: 8px;
}

.blog-cta-strip-text p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.82);
}

.blog-cta-strip-btns {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.btn-cta-white {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    color: var(--primary-solid);
    font-weight: 700;
    font-size: 0.95rem;
    padding: 12px 24px;
    border-radius: 10px;
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    white-space: nowrap;
}

.btn-cta-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.18);
}

.btn-cta-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 24px;
    border-radius: 10px;
    transition: border-color 0.2s, background 0.2s;
    text-decoration: none;
    white-space: nowrap;
}

.btn-cta-ghost:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

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

@media (max-width: 900px) {
    /* Mobile nav collapse — stays in sync with main.css breakpoint */
    .blog-filter-inner {
        padding: 0 20px;
    }

    .blog-hero h1 {
        font-size: 2rem;
    }

    .blog-cta-strip {
        flex-direction: column;
        text-align: center;
        padding: 36px 28px;
    }

    .blog-cta-strip-btns {
        justify-content: center;
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .blog-hero {
        padding: 44px 0 36px;
    }

    .blog-hero h1 {
        font-size: 1.7rem;
    }

    .blog-featured-card {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .blog-featured-cover-gradient {
        min-height: 220px;
    }

    .blog-featured-body {
        padding: 28px 24px 28px;
    }

    .blog-featured-body h2 {
        font-size: 1.3rem;
    }

    .blog-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .blog-content {
        padding: 36px 0 60px;
    }

    .blog-section-header h2 {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .blog-hero-meta {
        flex-direction: column;
        gap: 8px;
    }

    .blog-filter-inner {
        padding: 0 16px;
    }

    .blog-featured-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}