/* ═══════════════════════════════════════════════════════════════
   TIOO Blog — Premium Editorial Design
   Typography: Playfair Display (display) + DM Sans (body) + Lora (prose)
   Palette: Warm charcoal + burgundy accent + cream
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,700&family=DM+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&display=swap');

/* ── Design Tokens ── */
:root {
    --bl-accent: #A63446;
    --bl-accent-hover: #C04B5C;
    --bl-accent-dark: #8A2A3A;
    --bl-accent-soft: rgba(166, 52, 70, 0.08);
    --bl-accent-glow: rgba(166, 52, 70, 0.3);
    --bl-navy: #0D0E11;
    --bl-navy-mid: #15161A;
    --bl-surface: #FAF9F6;
    --bl-surface-warm: #FFF7F0;
    --bl-white: #ffffff;
    --bl-text: #1A1A1F;
    --bl-text-sub: #52555C;
    --bl-text-muted: #8E9099;
    --bl-border: #E5E3DE;
    --bl-border-light: #F0EEE9;
    --bl-emerald: #22A96B;
    --bl-radius: 14px;
    --bl-radius-sm: 10px;
    --bl-radius-full: 100px;
    --bl-ease: cubic-bezier(0.16, 1, 0.3, 1);
    --bl-font-display: 'Playfair Display', Georgia, serif;
    --bl-font-body: 'DM Sans', 'Inter', system-ui, sans-serif;
    --bl-font-prose: 'Lora', Georgia, 'Times New Roman', serif;
    --bl-max-w: 1100px;
}

/* ═══════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════ */
.blog-header {
    background: var(--bl-surface);
    color: var(--bl-text);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.blog-header::before {
    content: "";
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(166, 52, 70, 0.05) 0%, transparent 70%);
    top: -200px;
    right: -120px;
    pointer-events: none;
}
.blog-header::after {
    content: "";
    position: absolute;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(166, 52, 70, 0.03) 0%, transparent 70%);
    bottom: -120px;
    left: -80px;
    pointer-events: none;
}
.blog-header-inner {
    position: relative;
    z-index: 1;
    max-width: 660px;
    margin: 0 auto;
    padding: 72px 32px 56px;
}
.blog-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--bl-accent-soft);
    border: 1px solid rgba(166, 52, 70, 0.18);
    border-radius: var(--bl-radius-full);
    padding: 7px 20px;
    font-family: var(--bl-font-body);
    font-size: 13px;
    font-weight: 600;
    color: var(--bl-accent);
    margin-bottom: 24px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.blog-pill-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--bl-emerald);
    animation: blogPulse 2s ease-in-out infinite;
}
@keyframes blogPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}
.blog-header h1 {
    font-family: var(--bl-font-display);
    font-size: 48px;
    font-weight: 700;
    line-height: 1.15;
    margin: 0 0 16px;
    letter-spacing: -0.5px;
    color: var(--bl-text);
}
.blog-header h1 em {
    font-style: italic;
    color: var(--bl-accent);
}
.blog-header-sub {
    font-family: var(--bl-font-body);
    font-size: 17px;
    line-height: 1.7;
    color: var(--bl-text-sub);
    max-width: 500px;
    margin: 0 auto;
}

/* ═══════════════════════════════════════════════════════════════
   SHARED LAYOUT
   ═══════════════════════════════════════════════════════════════ */
.blog-container {
    max-width: var(--bl-max-w);
    margin: 0 auto;
    padding: 0 32px;
}
.blog-section {
    padding: 72px 0;
}

/* ═══════════════════════════════════════════════════════════════
   CATEGORY FILTERS
   ═══════════════════════════════════════════════════════════════ */
.blog-filters {
    display: flex;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    justify-content: center;
}
.blog-filter-pill {
    display: inline-block;
    padding: 8px 18px;
    border-radius: var(--bl-radius-full);
    font-family: var(--bl-font-body);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    background: var(--bl-white);
    color: var(--bl-text-sub);
    border: 1px solid var(--bl-border);
    transition: all 0.2s ease;
    white-space: nowrap;
}
.blog-filter-pill:hover {
    background: var(--bl-surface);
    color: var(--bl-text);
    border-color: var(--bl-border);
}
.blog-filter-pill.active {
    background: var(--bl-accent);
    color: #fff;
    border-color: var(--bl-accent);
}

/* ═══════════════════════════════════════════════════════════════
   BLOG GRID
   ═══════════════════════════════════════════════════════════════ */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

/* ═══════════════════════════════════════════════════════════════
   BLOG CARD
   ═══════════════════════════════════════════════════════════════ */
.blog-card {
    display: block;
    background: var(--bl-white);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--bl-border-light);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s var(--bl-ease);
}
.blog-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
    border-color: rgba(166, 52, 70, 0.12);
}
.blog-card-img {
    height: 200px;
    background-size: cover;
    background-position: center;
    background-color: var(--bl-surface);
    transition: transform 0.6s var(--bl-ease);
}
.blog-card:hover .blog-card-img {
    transform: scale(1.03);
}
.blog-card-img-wrapper {
    overflow: hidden;
}
.blog-card-img-placeholder {
    background: linear-gradient(135deg, rgba(166, 52, 70, 0.06) 0%, var(--bl-surface) 100%);
}
.blog-card-body {
    padding: 24px;
}
.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 8px;
}
.blog-card-date {
    font-family: var(--bl-font-body);
    font-size: 12px;
    color: var(--bl-text-muted);
    font-weight: 500;
}
.blog-card-category {
    display: inline-block;
    padding: 3px 10px;
    background: var(--bl-accent-soft);
    color: var(--bl-accent);
    border-radius: var(--bl-radius-full);
    font-family: var(--bl-font-body);
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}
.blog-card .blog-card-title,
h2.blog-card-title,
h3.blog-card-title {
    font-family: var(--bl-font-display);
    font-size: 18px;
    font-weight: 700;
    color: var(--bl-text);
    margin: 0 0 8px;
    line-height: 1.3;
    letter-spacing: -0.02em;
    text-align: left;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.blog-card-excerpt {
    font-family: var(--bl-font-body);
    font-size: 14px;
    color: var(--bl-text-sub);
    margin: 0 0 14px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.blog-card-link {
    font-family: var(--bl-font-body);
    font-size: 13px;
    font-weight: 700;
    color: var(--bl-accent);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap 0.2s ease;
}
.blog-card:hover .blog-card-link {
    gap: 8px;
}

/* ═══════════════════════════════════════════════════════════════
   PAGINATION
   ═══════════════════════════════════════════════════════════════ */
.blog-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 56px;
    padding-top: 32px;
    border-top: 1px solid var(--bl-border-light);
}
.blog-pagination .btn {
    font-family: var(--bl-font-body);
    font-size: 14px;
    font-weight: 600;
    padding: 10px 22px;
    border-radius: var(--bl-radius-sm);
    text-decoration: none;
    transition: all 0.2s ease;
}
.blog-pagination .btn-secondary {
    background: var(--bl-white);
    color: var(--bl-text);
    border: 1px solid var(--bl-border);
}
.blog-pagination .btn-secondary:hover {
    background: var(--bl-surface);
    border-color: var(--bl-accent);
    color: var(--bl-accent);
}
.blog-pagination-info {
    font-family: var(--bl-font-body);
    font-size: 14px;
    color: var(--bl-text-muted);
}

/* ═══════════════════════════════════════════════════════════════
   EMPTY STATE
   ═══════════════════════════════════════════════════════════════ */
.blog-empty {
    text-align: center;
    padding: 80px 0;
}
.blog-empty-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--bl-accent-soft);
    color: var(--bl-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}
.blog-empty h2 {
    font-family: var(--bl-font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--bl-text);
    margin: 0 0 12px;
}
.blog-empty p {
    font-family: var(--bl-font-body);
    font-size: 16px;
    color: var(--bl-text-sub);
    line-height: 1.7;
    max-width: 480px;
    margin: 0 auto;
}

/* ═══════════════════════════════════════════════════════════════
   BLOG DETAIL — POST
   ═══════════════════════════════════════════════════════════════ */
.blog-detail {
    padding: 0;
    overflow: hidden;
}
.blog-detail-container {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ── Back Link ── */
.blog-back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--bl-font-body);
    font-size: 14px;
    font-weight: 600;
    color: var(--bl-accent);
    text-decoration: none;
    padding: 32px 0 0;
    transition: gap 0.2s ease;
}
.blog-back-link:hover {
    gap: 10px;
    text-decoration: none;
    color: var(--bl-accent-hover);
}

/* ── Category Badge ── */
.blog-category-badge {
    display: inline-block;
    padding: 5px 16px;
    background: var(--bl-accent-soft);
    color: var(--bl-accent);
    border: 1px solid rgba(166, 52, 70, 0.18);
    border-radius: var(--bl-radius-full);
    font-family: var(--bl-font-body);
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

/* ── Post Header ── */
.blog-post-header {
    margin-bottom: 36px;
    padding-top: 32px;
}
.blog-post-header h1 {
    font-family: var(--bl-font-display);
    font-size: 42px;
    font-weight: 700;
    line-height: 1.15;
    color: var(--bl-text);
    margin: 0 0 16px;
    letter-spacing: -0.5px;
}
.blog-post-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--bl-font-body);
    font-size: 14px;
    color: var(--bl-text-muted);
    margin-bottom: 0;
}

/* ── Featured Image ── */
.blog-post-hero {
    width: 100%;
    border-radius: 16px;
    margin-bottom: 40px;
}

/* ── Post Body (Prose) ── */
.blog-post-body {
    font-family: var(--bl-font-prose);
    font-size: 18px;
    line-height: 1.8;
    color: var(--bl-text-sub);
    padding-bottom: 48px;
}
.blog-post-body h2 {
    font-family: var(--bl-font-display);
    font-size: 28px;
    font-weight: 700;
    margin: 48px 0 18px;
    color: var(--bl-text);
    letter-spacing: -0.3px;
}
.blog-post-body h3 {
    font-family: var(--bl-font-body);
    font-size: 20px;
    font-weight: 700;
    margin: 36px 0 14px;
    color: var(--bl-text);
}
.blog-post-body p {
    margin: 0 0 22px;
}
.blog-post-body ul,
.blog-post-body ol {
    margin: 0 0 22px;
    padding-left: 28px;
}
.blog-post-body li {
    margin-bottom: 10px;
}
.blog-post-body blockquote {
    border-left: 4px solid var(--bl-accent);
    padding: 20px 28px;
    margin: 32px 0;
    background: var(--bl-surface-warm);
    border-radius: 0 var(--bl-radius) var(--bl-radius) 0;
    font-style: italic;
    color: var(--bl-text-sub);
}
.blog-post-body img {
    width: 100%;
    max-width: 100%;
    border-radius: 14px;
    margin: 28px 0;
}
.blog-post-body code {
    background: var(--bl-surface);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 15px;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    color: var(--bl-accent-dark);
}
.blog-post-body pre {
    background: var(--bl-navy);
    color: #e2e8f0;
    padding: 24px;
    border-radius: var(--bl-radius);
    overflow-x: auto;
    margin: 28px 0;
}
.blog-post-body pre code {
    background: none;
    padding: 0;
    color: inherit;
}
.blog-post-body a {
    color: var(--bl-accent);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.15s ease;
}
.blog-post-body a:hover {
    color: var(--bl-accent-hover);
    text-decoration: underline;
}

/* ═══════════════════════════════════════════════════════════════
   MORE ARTICLES SECTION
   ═══════════════════════════════════════════════════════════════ */
.blog-more {
    padding: 72px 0;
    background: var(--bl-surface-warm);
    border-top: 1px solid var(--bl-border-light);
}
.blog-more-header {
    text-align: center;
    margin-bottom: 40px;
}
.blog-more-header h2 {
    font-family: var(--bl-font-display);
    font-size: 32px;
    font-weight: 700;
    color: var(--bl-text);
    margin: 0;
    letter-spacing: -0.3px;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE: TABLET
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
    .blog-header-inner {
        padding: 56px 24px 44px;
    }
    .blog-header h1 {
        font-size: 36px;
    }
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .blog-container {
        padding: 0 24px;
    }
    .blog-section {
        padding: 56px 0;
    }
    .blog-card-img {
        height: 170px;
    }
    .blog-post-header h1 {
        font-size: 34px;
    }
    .blog-detail-container {
        padding: 0 24px;
    }
    .blog-more {
        padding: 56px 0;
    }
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE: MOBILE
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
    .blog-header-inner {
        padding: 44px 20px 36px;
    }
    .blog-header h1 {
        font-size: 30px;
    }
    .blog-header-sub {
        font-size: 15px;
    }
    .blog-pill {
        font-size: 11px;
        padding: 5px 14px;
    }
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .blog-card-img {
        height: 200px;
    }
    .blog-container {
        padding: 0 20px;
    }
    .blog-section {
        padding: 44px 0;
    }
    .blog-filters {
        gap: 8px;
        margin-bottom: 28px;
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 4px;
        -webkit-overflow-scrolling: touch;
    }
    .blog-filter-pill {
        flex-shrink: 0;
    }
    .blog-post-header h1 {
        font-size: 28px;
    }
    .blog-post-body {
        font-size: 16px;
    }
    .blog-post-body h2 {
        font-size: 22px;
    }
    .blog-post-body h3 {
        font-size: 18px;
    }
    .blog-detail-container {
        padding: 0 20px;
    }
    .blog-more {
        padding: 44px 0;
    }
    .blog-more-header h2 {
        font-size: 26px;
    }
    .blog-pagination {
        flex-direction: column;
        gap: 12px;
    }
}