/* ═══════════════════════════════════════════════════════════
   ThinkTwice — blog.css
   Styles for /blog/ hub and article pages
   Uses CSS variables defined in styles.css (dark theme)
   ═══════════════════════════════════════════════════════════ */

/* ───────────────────────────────────────────────────────────
   BLOG HUB (blog/index.html)
   ─────────────────────────────────────────────────────────── */

.blog-hub-hero {
    padding: 8rem 0 4rem;
    text-align: center;
    background: linear-gradient(180deg, rgba(99,102,241,0.06) 0%, transparent 100%);
    position: relative;
}

.blog-hub-hero .blog-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary-light);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(99,102,241,0.25);
}

.blog-hub-hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.blog-hub-hero h1 em {
    font-style: normal;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.blog-hub-hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.65;
}

/* Category filters */
.blog-filters {
    display: flex;
    gap: 0.6rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 3rem 0 2rem;
    padding: 0 1rem;
}

.blog-filter-btn {
    padding: 0.55rem 1.2rem;
    border-radius: var(--radius-full);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
    font-family: inherit;
}

.blog-filter-btn:hover,
.blog-filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    transform: translateY(-1px);
}

/* Article cards grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
    padding: 1rem 0 6rem;
}

.blog-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    position: relative;
}

.blog-card:hover {
    transform: translateY(-4px);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-glow);
    border-color: rgba(99,102,241,0.4);
}

.blog-card:hover .blog-card-cover::before,
.blog-card:hover .blog-card-cover::after {
    transform: scale(1.15);
    transition: transform 0.5s ease;
}

.blog-card.is-pillar::before {
    content: '⭐ PILLAR';
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--gradient-accent);
    color: white;
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    z-index: 2;
}

.blog-card-cover {
    aspect-ratio: 16 / 9;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Icon in frosted glass circle */
.blog-card-cover i {
    font-size: 2rem;
    color: white;
    position: relative;
    z-index: 2;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.15);
    border-radius: 16px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.2);
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
}

.blog-card:hover .blog-card-cover i {
    transform: scale(1.1);
}

/* Decorative floating shapes */
.blog-card-cover::before {
    content: '';
    position: absolute;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255,255,255,0.07);
    top: -30px;
    right: -20px;
    z-index: 1;
}

.blog-card-cover::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    bottom: -20px;
    left: 15%;
    z-index: 1;
}

/* ─── Cover color variants ─── */
.cover-indigo {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #a855f7 100%);
}
.cover-rose {
    background: linear-gradient(135deg, #e11d48 0%, #be185d 50%, #9333ea 100%);
}
.cover-amber {
    background: linear-gradient(135deg, #d97706 0%, #ea580c 50%, #dc2626 100%);
}
.cover-teal {
    background: linear-gradient(135deg, #0d9488 0%, #0891b2 50%, #2563eb 100%);
}
.cover-emerald {
    background: linear-gradient(135deg, #059669 0%, #0d9488 50%, #0284c7 100%);
}
.cover-sky {
    background: linear-gradient(135deg, #0369a1 0%, #4f46e5 50%, #7c3aed 100%);
}
.cover-fuchsia {
    background: linear-gradient(135deg, #a21caf 0%, #7c3aed 50%, #4f46e5 100%);
}
.cover-orange {
    background: linear-gradient(135deg, #ea580c 0%, #d97706 50%, #65a30d 100%);
}
.cover-cyan {
    background: linear-gradient(135deg, #0e7490 0%, #0369a1 50%, #1d4ed8 100%);
}
.cover-lime {
    background: linear-gradient(135deg, #4d7c0f 0%, #0d9488 50%, #0284c7 100%);
}

/* Alternate decorative shapes per variant */
.cover-rose::before {
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    width: 140px;
    height: 100px;
}
.cover-amber::before {
    border-radius: 0;
    transform: rotate(45deg);
    width: 80px;
    height: 80px;
    top: -20px;
    right: 30px;
}
.cover-teal::before {
    border-radius: 50% 0 50% 0;
    width: 100px;
    height: 100px;
}
.cover-emerald::after {
    border-radius: 30% 70% 70% 30% / 60% 40% 60% 40%;
    width: 120px;
    height: 80px;
}
.cover-sky::before {
    width: 160px;
    height: 60px;
    border-radius: 100px;
    top: 20px;
}
.cover-fuchsia::after {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    bottom: -30px;
    left: 50%;
}
.cover-orange::before {
    border-radius: 0;
    transform: rotate(30deg);
    width: 100px;
    height: 60px;
    background: rgba(255,255,255,0.06);
}

/* Small grid decoration on some covers */
.cover-indigo .blog-card-cover-pattern,
.cover-sky .blog-card-cover-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.08) 1px, transparent 1px);
    background-size: 20px 20px;
    z-index: 0;
}

.blog-card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.8rem;
}

.blog-card-category {
    color: var(--primary-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.7rem;
}

.blog-card-body h2,
.blog-card-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.35;
    margin: 0 0 0.7rem;
    color: var(--text-primary);
}

.blog-card-excerpt {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.2rem;
    flex: 1;
}

.blog-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: auto;
}

.blog-card-read {
    color: var(--primary-light);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: gap 0.2s ease;
}

.blog-card:hover .blog-card-read {
    gap: 0.7rem;
}

/* "Coming soon" card variant */
.blog-card.is-coming-soon {
    opacity: 0.5;
    cursor: default;
    pointer-events: none;
}

.blog-card.is-coming-soon::before {
    content: 'BIENTÔT';
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255,255,255,0.1);
    color: var(--text-secondary);
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    z-index: 2;
}

/* ───────────────────────────────────────────────────────────
   ARTICLE PAGE LAYOUT
   ─────────────────────────────────────────────────────────── */

.article-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 1fr min(720px, 100%) 1fr;
}

.article-container > * {
    grid-column: 2;
}

.article-container .article-wide {
    grid-column: 1 / -1;
}

/* Breadcrumb */
.article-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.article-breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.article-breadcrumb a:hover {
    color: var(--primary-light);
}

.article-breadcrumb i {
    font-size: 0.65rem;
    opacity: 0.5;
}

/* Article header */
.article-header {
    margin-bottom: 3rem;
}

.article-category {
    display: inline-block;
    padding: 0.35rem 0.9rem;
    background: var(--primary-soft);
    color: var(--primary-light);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: var(--radius-full);
    margin-bottom: 1.5rem;
}

.article-pillar-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.9rem;
    background: var(--gradient-accent);
    color: white;
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: var(--radius-full);
    margin-bottom: 1.5rem;
    margin-left: 0.5rem;
}

.article-title {
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

/* Gradient accent text in titles */
.text-accent {
    font-style: normal;
    background: linear-gradient(135deg, #818cf8 0%, #22d3ee 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-accent--warm {
    font-style: normal;
    background: linear-gradient(135deg, #fb923c 0%, #f43f5e 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-accent--green {
    font-style: normal;
    background: linear-gradient(135deg, #34d399 0%, #22d3ee 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Also usable inside H2/H3 in article body */
.article-body h2 .text-accent,
.article-body h3 .text-accent,
.article-body h2 .text-accent--warm,
.article-body h3 .text-accent--warm,
.article-body h2 .text-accent--green,
.article-body h3 .text-accent--green {
    font-style: normal;
}

.article-lead {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 400;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.article-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-meta-item i {
    color: var(--primary-light);
    font-size: 0.85rem;
}

/* Reading progress accent on article page */
.article-page {
    padding-top: 6rem;
    padding-bottom: 4rem;
    background: var(--bg-primary);
}

/* TL;DR / Key takeaway box */
.article-tldr {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 4px solid transparent;
    border-image: linear-gradient(180deg, #6366f1 0%, #0d9488 100%) 1;
    border-image-slice: 0 0 0 4;
    border-radius: var(--radius-md);
    padding: 1.5rem 1.8rem;
    margin: 2.5rem 0;
    position: relative;
}

.article-tldr-title {
    font-weight: 700;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.8rem;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-tldr-title i {
    color: #fbbf24;
}

.article-tldr p,
.article-tldr ul {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.65;
}

.article-tldr ul {
    list-style: none;
    padding-left: 0;
}

.article-tldr li {
    margin-bottom: 0.5rem;
    padding-left: 1.6rem;
    position: relative;
}

.article-tldr li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-light);
    font-weight: 700;
    font-size: 0.85rem;
}

.article-tldr li:last-child {
    margin-bottom: 0;
}

/* Table of contents */
.article-toc {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin: 2.5rem 0;
}

.article-toc-title {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-toc-title i {
    color: var(--primary-light);
}

.article-toc ol {
    margin: 0;
    padding-left: 0;
    counter-reset: toc;
    list-style: none;
}

.article-toc li {
    margin-bottom: 0;
    counter-increment: toc;
}

.article-toc a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.45rem 0.6rem;
    border-radius: var(--radius-sm);
}

.article-toc a::before {
    content: counter(toc, decimal-leading-zero);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary-light);
    background: var(--primary-soft);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    flex-shrink: 0;
}

.article-toc a:hover {
    color: var(--primary-light);
    background: rgba(99,102,241,0.06);
}

.article-toc a:hover::before {
    background: var(--primary);
    color: white;
}

/* Article body typography */
.article-body {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--text-secondary);
    counter-reset: section-counter;
}

.article-body h2 {
    font-size: clamp(1.6rem, 3vw, 2.1rem);
    font-weight: 800;
    line-height: 1.25;
    margin: 3.5rem 0 1.2rem;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    scroll-margin-top: 100px;
    padding-left: 1rem;
    border-left: 3px solid var(--primary-light);
    counter-increment: section-counter;
}

/* Cycle accent colors on H2 via nth-of-type */
.article-body h2:nth-of-type(6n+1) { border-left-color: #6366f1; }
.article-body h2:nth-of-type(6n+2) { border-left-color: #0d9488; }
.article-body h2:nth-of-type(6n+3) { border-left-color: #e11d48; }
.article-body h2:nth-of-type(6n+4) { border-left-color: #d97706; }
.article-body h2:nth-of-type(6n+5) { border-left-color: #8b5cf6; }
.article-body h2:nth-of-type(6n+6) { border-left-color: #0891b2; }

.article-body h3 {
    font-size: clamp(1.25rem, 2.2vw, 1.5rem);
    font-weight: 700;
    line-height: 1.3;
    margin: 2.5rem 0 0.8rem;
    color: var(--text-primary);
    scroll-margin-top: 100px;
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
}

/* Colored dash before H3 */
.article-body h3::before {
    content: '';
    flex-shrink: 0;
    width: 20px;
    height: 3px;
    border-radius: 3px;
    background: var(--primary-light);
    position: relative;
    top: -3px;
}

.article-body h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 1.8rem 0 0.6rem;
    color: var(--text-primary);
}

.article-body p {
    margin: 0 0 1.3rem;
}

.article-body a {
    color: var(--primary-light);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    transition: color 0.2s ease;
}

.article-body a:hover {
    color: var(--accent-light);
}

.article-body strong {
    font-weight: 700;
    color: var(--text-primary);
    background: linear-gradient(transparent 60%, rgba(99,102,241,0.12) 60%);
    padding: 0 2px;
    border-radius: 2px;
}

.article-body ul,
.article-body ol {
    margin: 0 0 1.5rem 0;
    padding-left: 1.6rem;
}

.article-body ul {
    list-style: none;
    padding-left: 0;
}

.article-body ul li {
    padding-left: 1.4rem;
    position: relative;
}

.article-body ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.75em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary-light);
}

.article-body li {
    margin-bottom: 0.6rem;
    line-height: 1.7;
}

.article-body img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 2rem 0;
    border: 1px solid var(--border-color);
}

.article-body blockquote {
    border-left: 4px solid var(--primary);
    background: rgba(99,102,241,0.06);
    padding: 1.2rem 1.5rem;
    margin: 2rem 0;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--text-secondary);
}

.article-body code {
    background: var(--bg-card);
    color: var(--primary-light);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
    border: 1px solid var(--border-color);
}

/* Ordered list inside article for protocol steps */
.article-steps {
    margin: 0 0 1.5rem 0;
    padding-left: 0;
    counter-reset: step-counter;
    list-style: none;
}

.article-steps li {
    margin-bottom: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    padding-left: 2.8rem;
    position: relative;
    counter-increment: step-counter;
}

.article-steps li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0.15em;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    background: var(--primary-soft);
    color: var(--primary-light);
}

.article-steps li:nth-child(1)::before { background: rgba(99,102,241,0.15); color: #818cf8; }
.article-steps li:nth-child(2)::before { background: rgba(13,148,136,0.15); color: #2dd4bf; }
.article-steps li:nth-child(3)::before { background: rgba(225,29,72,0.15); color: #fb7185; }
.article-steps li:nth-child(4)::before { background: rgba(217,119,6,0.15); color: #fbbf24; }
.article-steps li:nth-child(5)::before { background: rgba(139,92,246,0.15); color: #c4b5fd; }
.article-steps li:nth-child(6)::before { background: rgba(8,145,178,0.15); color: #22d3ee; }
.article-steps li:nth-child(7)::before { background: rgba(16,185,129,0.15); color: #34d399; }

.article-steps li strong {
    color: var(--text-primary);
}

/* Callout boxes */
.article-callout {
    background: var(--bg-card);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: 1.3rem 1.5rem;
    margin: 2rem 0;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.article-callout-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--primary-soft);
    color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.article-callout--warning {
    border-left-color: #ef4444;
    background: rgba(239,68,68,0.06);
}

.article-callout--warning .article-callout-icon {
    background: rgba(239,68,68,0.15);
    color: #f87171;
}

.article-callout--tip {
    border-left-color: var(--success);
    background: rgba(16,185,129,0.06);
}

.article-callout--tip .article-callout-icon {
    background: rgba(16,185,129,0.15);
    color: var(--success-light);
}

.article-callout-body {
    flex: 1;
}

.article-callout-body p {
    color: var(--text-secondary);
}

.article-callout-body p:last-child {
    margin-bottom: 0;
}

.article-callout-title {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
    display: block;
}

/* Stats inside articles */
.article-stat-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.article-stat {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.3rem;
    text-align: center;
    border-top: 3px solid transparent;
    transition: var(--transition);
}

.article-stat:hover {
    border-color: rgba(99,102,241,0.3);
    transform: translateY(-2px);
}

.article-stat-value {
    font-size: 2rem;
    font-weight: 800;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 0.4rem;
}

/* Different gradient per stat position */
.article-stat:nth-child(1) {
    border-top-color: #6366f1;
}
.article-stat:nth-child(1) .article-stat-value {
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    -webkit-background-clip: text;
    background-clip: text;
}
.article-stat:nth-child(2) {
    border-top-color: #0d9488;
}
.article-stat:nth-child(2) .article-stat-value {
    background: linear-gradient(135deg, #0d9488 0%, #0891b2 100%);
    -webkit-background-clip: text;
    background-clip: text;
}
.article-stat:nth-child(3) {
    border-top-color: #e11d48;
}
.article-stat:nth-child(3) .article-stat-value {
    background: linear-gradient(135deg, #e11d48 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

.article-stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.article-stat-label small {
    color: var(--text-muted);
}

/* Inline CTA */
.article-cta-inline {
    background: var(--bg-card);
    border: 1px solid rgba(99,102,241,0.25);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    margin: 3rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.article-cta-inline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #6366f1, #0d9488, #f59e0b, #e11d48);
}

.article-cta-inline::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(99,102,241,0.04);
    transform: translate(40%, -40%);
    pointer-events: none;
}

.article-cta-inline h3 {
    font-size: 1.4rem;
    font-weight: 800;
    margin: 0 0 0.6rem;
    color: var(--text-primary);
}

.article-cta-inline p {
    color: var(--text-secondary);
    margin: 0 0 1.3rem;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.article-cta-inline .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 1.6rem;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.article-cta-inline .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: white;
}

/* FAQ section */
.article-faq {
    margin: 3rem 0;
}

.article-faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 0.8rem;
    background: var(--bg-card);
    overflow: hidden;
    transition: border-color 0.2s ease;
}

.article-faq-item:hover {
    border-color: rgba(99,102,241,0.3);
}

.article-faq-item summary {
    padding: 1.1rem 1.4rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-primary);
    font-size: 1.02rem;
    transition: background 0.2s ease;
    gap: 1rem;
}

.article-faq-item summary:hover {
    background: var(--bg-card-hover);
}

.article-faq-item summary::-webkit-details-marker {
    display: none;
}

.article-faq-item summary::after {
    content: '+';
    font-size: 1.3rem;
    font-weight: 600;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--primary-soft);
    color: var(--primary-light);
    line-height: 1;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.article-faq-item[open] summary::after {
    content: '−';
    background: var(--primary);
    color: white;
}

.article-faq-item[open] summary {
    border-bottom: 1px solid var(--border-color);
}

.article-faq-item[open] {
    border-color: rgba(99,102,241,0.3);
}

.article-faq-answer {
    padding: 1rem 1.4rem 1.4rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.article-faq-answer p:first-child {
    margin-top: 0;
}

.article-faq-answer p:last-child {
    margin-bottom: 0;
}

/* Related articles */
.article-related {
    margin: 4rem 0 2rem;
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
}

.article-related h2 {
    font-size: 1.6rem;
    font-weight: 800;
    margin: 0 0 1.5rem;
    color: var(--text-primary);
}

.article-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.2rem;
}

.article-related-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.3rem;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.article-related-card:hover {
    transform: translateY(-2px);
    border-color: rgba(99,102,241,0.4);
    box-shadow: var(--shadow-glow);
    background: var(--bg-card-hover);
}

.article-related-card.is-coming-soon {
    opacity: 0.4;
    pointer-events: none;
}

.article-related-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin: 0.5rem 0;
    color: var(--text-primary);
    line-height: 1.35;
}

.article-related-card-category {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.article-related-card-arrow {
    color: var(--primary-light);
    font-size: 0.85rem;
    margin-top: 0.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

/* Newsletter form in blog hub */
.newsletter-form input[type="email"] {
    background: var(--bg-card) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

.newsletter-form input[type="email"]::placeholder {
    color: var(--text-muted);
}

.newsletter-form input[type="email"]:focus {
    outline: none;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(99,102,241,0.2);
}

/* Draft placeholder (visible while writing, easy to find) */
.draft-placeholder {
    background: rgba(245,158,11,0.1);
    border: 1px dashed rgba(245,158,11,0.4);
    border-radius: var(--radius-sm);
    padding: 1rem 1.2rem;
    color: var(--accent-light);
    font-style: italic;
    font-size: 0.9rem;
    margin: 1.2rem 0;
}

.draft-placeholder::before {
    content: '✏️ ';
    margin-right: 0.3rem;
}

/* ───────────────────────────────────────────────────────────
   RESPONSIVE
   ─────────────────────────────────────────────────────────── */

@media (max-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    .article-stat-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .article-container {
        grid-template-columns: 1fr;
        padding: 0 1.2rem;
    }
    .article-container > * {
        grid-column: 1;
    }
    .blog-hub-hero {
        padding: 6rem 1rem 3rem;
    }
    .blog-hub-hero h1 {
        font-size: 2rem;
    }
    .article-page {
        padding-top: 5rem;
    }
    .article-title {
        font-size: 1.8rem;
    }
    .article-lead {
        font-size: 1.1rem;
    }
    .article-body {
        font-size: 1rem;
    }
    .article-body h2 {
        font-size: 1.4rem;
    }
    .article-body h3 {
        font-size: 1.15rem;
    }
    .article-meta {
        gap: 0.8rem;
        font-size: 0.8rem;
    }
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }
    .blog-card-cover {
        aspect-ratio: 2 / 1;
    }
    .blog-card-cover i {
        width: 52px;
        height: 52px;
        font-size: 1.5rem;
        border-radius: 12px;
    }
    .blog-card-body {
        padding: 1.2rem;
    }
    .blog-card-body h2,
    .blog-card-body h3 {
        font-size: 1.1rem;
    }
    .blog-card-excerpt {
        font-size: 0.9rem;
        -webkit-line-clamp: 3;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .article-stat-row {
        grid-template-columns: 1fr;
    }
    .article-related-grid {
        grid-template-columns: 1fr;
    }
    .article-cta-inline {
        padding: 1.5rem;
    }
    .article-cta-inline h3 {
        font-size: 1.15rem;
    }
    .article-tldr {
        padding: 1.2rem;
    }
    .article-toc {
        padding: 1.2rem;
    }
    .article-callout {
        flex-direction: column;
        gap: 0.6rem;
    }
    .blog-filters {
        gap: 0.4rem;
    }
    .blog-filter-btn {
        padding: 0.4rem 0.9rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 400px) {
    .blog-hub-hero h1 {
        font-size: 1.6rem;
    }
    .article-title {
        font-size: 1.5rem;
    }
    .blog-card-cover {
        aspect-ratio: 21 / 9;
    }
    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}